diff --git a/DMR2M17/BPTC19696.cpp b/DMR2M17/BPTC19696.cpp new file mode 100644 index 0000000..289005a --- /dev/null +++ b/DMR2M17/BPTC19696.cpp @@ -0,0 +1,347 @@ +/* + * Copyright (C) 2012 by Ian Wraith + * Copyright (C) 2015 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "BPTC19696.h" + +#include "Hamming.h" +#include "Utils.h" + +#include +#include +#include + +CBPTC19696::CBPTC19696() : +m_rawData(NULL), +m_deInterData(NULL) +{ + m_rawData = new bool[196]; + m_deInterData = new bool[196]; +} + +CBPTC19696::~CBPTC19696() +{ + delete[] m_rawData; + delete[] m_deInterData; +} + +// The main decode function +void CBPTC19696::decode(const unsigned char* in, unsigned char* out) +{ + assert(in != NULL); + assert(out != NULL); + + // Get the raw binary + decodeExtractBinary(in); + + // Deinterleave + decodeDeInterleave(); + + // Error check + decodeErrorCheck(); + + // Extract Data + decodeExtractData(out); +} + +// The main encode function +void CBPTC19696::encode(const unsigned char* in, unsigned char* out) +{ + assert(in != NULL); + assert(out != NULL); + + // Extract Data + encodeExtractData(in); + + // Error check + encodeErrorCheck(); + + // Deinterleave + encodeInterleave(); + + // Get the raw binary + encodeExtractBinary(out); +} + +void CBPTC19696::decodeExtractBinary(const unsigned char* in) +{ + // First block + CUtils::byteToBitsBE(in[0U], m_rawData + 0U); + CUtils::byteToBitsBE(in[1U], m_rawData + 8U); + CUtils::byteToBitsBE(in[2U], m_rawData + 16U); + CUtils::byteToBitsBE(in[3U], m_rawData + 24U); + CUtils::byteToBitsBE(in[4U], m_rawData + 32U); + CUtils::byteToBitsBE(in[5U], m_rawData + 40U); + CUtils::byteToBitsBE(in[6U], m_rawData + 48U); + CUtils::byteToBitsBE(in[7U], m_rawData + 56U); + CUtils::byteToBitsBE(in[8U], m_rawData + 64U); + CUtils::byteToBitsBE(in[9U], m_rawData + 72U); + CUtils::byteToBitsBE(in[10U], m_rawData + 80U); + CUtils::byteToBitsBE(in[11U], m_rawData + 88U); + CUtils::byteToBitsBE(in[12U], m_rawData + 96U); + + // Handle the two bits + bool bits[8U]; + CUtils::byteToBitsBE(in[20U], bits); + m_rawData[98U] = bits[6U]; + m_rawData[99U] = bits[7U]; + + // Second block + CUtils::byteToBitsBE(in[21U], m_rawData + 100U); + CUtils::byteToBitsBE(in[22U], m_rawData + 108U); + CUtils::byteToBitsBE(in[23U], m_rawData + 116U); + CUtils::byteToBitsBE(in[24U], m_rawData + 124U); + CUtils::byteToBitsBE(in[25U], m_rawData + 132U); + CUtils::byteToBitsBE(in[26U], m_rawData + 140U); + CUtils::byteToBitsBE(in[27U], m_rawData + 148U); + CUtils::byteToBitsBE(in[28U], m_rawData + 156U); + CUtils::byteToBitsBE(in[29U], m_rawData + 164U); + CUtils::byteToBitsBE(in[30U], m_rawData + 172U); + CUtils::byteToBitsBE(in[31U], m_rawData + 180U); + CUtils::byteToBitsBE(in[32U], m_rawData + 188U); +} + +// Deinterleave the raw data +void CBPTC19696::decodeDeInterleave() +{ + for (unsigned int i = 0U; i < 196U; i++) + m_deInterData[i] = false; + + // The first bit is R(3) which is not used so can be ignored + for (unsigned int a = 0U; a < 196U; a++) { + // Calculate the interleave sequence + unsigned int interleaveSequence = (a * 181U) % 196U; + // Shuffle the data + m_deInterData[a] = m_rawData[interleaveSequence]; + } +} + +// Check each row with a Hamming (15,11,3) code and each column with a Hamming (13,9,3) code +void CBPTC19696::decodeErrorCheck() +{ + bool fixing; + unsigned int count = 0U; + do { + fixing = false; + + // Run through each of the 15 columns + bool col[13U]; + for (unsigned int c = 0U; c < 15U; c++) { + unsigned int pos = c + 1U; + for (unsigned int a = 0U; a < 13U; a++) { + col[a] = m_deInterData[pos]; + pos = pos + 15U; + } + + if (CHamming::decode1393(col)) { + unsigned int pos = c + 1U; + for (unsigned int a = 0U; a < 13U; a++) { + m_deInterData[pos] = col[a]; + pos = pos + 15U; + } + + fixing = true; + } + } + + // Run through each of the 9 rows containing data + for (unsigned int r = 0U; r < 9U; r++) { + unsigned int pos = (r * 15U) + 1U; + if (CHamming::decode15113_2(m_deInterData + pos)) + fixing = true; + } + + count++; + } while (fixing && count < 5U); +} + +// Extract the 96 bits of payload +void CBPTC19696::decodeExtractData(unsigned char* data) const +{ + bool bData[96U]; + unsigned int pos = 0U; + for (unsigned int a = 4U; a <= 11U; a++, pos++) + bData[pos] = m_deInterData[a]; + + for (unsigned int a = 16U; a <= 26U; a++, pos++) + bData[pos] = m_deInterData[a]; + + for (unsigned int a = 31U; a <= 41U; a++, pos++) + bData[pos] = m_deInterData[a]; + + for (unsigned int a = 46U; a <= 56U; a++, pos++) + bData[pos] = m_deInterData[a]; + + for (unsigned int a = 61U; a <= 71U; a++, pos++) + bData[pos] = m_deInterData[a]; + + for (unsigned int a = 76U; a <= 86U; a++, pos++) + bData[pos] = m_deInterData[a]; + + for (unsigned int a = 91U; a <= 101U; a++, pos++) + bData[pos] = m_deInterData[a]; + + for (unsigned int a = 106U; a <= 116U; a++, pos++) + bData[pos] = m_deInterData[a]; + + for (unsigned int a = 121U; a <= 131U; a++, pos++) + bData[pos] = m_deInterData[a]; + + CUtils::bitsToByteBE(bData + 0U, data[0U]); + CUtils::bitsToByteBE(bData + 8U, data[1U]); + CUtils::bitsToByteBE(bData + 16U, data[2U]); + CUtils::bitsToByteBE(bData + 24U, data[3U]); + CUtils::bitsToByteBE(bData + 32U, data[4U]); + CUtils::bitsToByteBE(bData + 40U, data[5U]); + CUtils::bitsToByteBE(bData + 48U, data[6U]); + CUtils::bitsToByteBE(bData + 56U, data[7U]); + CUtils::bitsToByteBE(bData + 64U, data[8U]); + CUtils::bitsToByteBE(bData + 72U, data[9U]); + CUtils::bitsToByteBE(bData + 80U, data[10U]); + CUtils::bitsToByteBE(bData + 88U, data[11U]); +} + +// Extract the 96 bits of payload +void CBPTC19696::encodeExtractData(const unsigned char* in) const +{ + bool bData[96U]; + CUtils::byteToBitsBE(in[0U], bData + 0U); + CUtils::byteToBitsBE(in[1U], bData + 8U); + CUtils::byteToBitsBE(in[2U], bData + 16U); + CUtils::byteToBitsBE(in[3U], bData + 24U); + CUtils::byteToBitsBE(in[4U], bData + 32U); + CUtils::byteToBitsBE(in[5U], bData + 40U); + CUtils::byteToBitsBE(in[6U], bData + 48U); + CUtils::byteToBitsBE(in[7U], bData + 56U); + CUtils::byteToBitsBE(in[8U], bData + 64U); + CUtils::byteToBitsBE(in[9U], bData + 72U); + CUtils::byteToBitsBE(in[10U], bData + 80U); + CUtils::byteToBitsBE(in[11U], bData + 88U); + + for (unsigned int i = 0U; i < 196U; i++) + m_deInterData[i] = false; + + unsigned int pos = 0U; + for (unsigned int a = 4U; a <= 11U; a++, pos++) + m_deInterData[a] = bData[pos]; + + for (unsigned int a = 16U; a <= 26U; a++, pos++) + m_deInterData[a] = bData[pos]; + + for (unsigned int a = 31U; a <= 41U; a++, pos++) + m_deInterData[a] = bData[pos]; + + for (unsigned int a = 46U; a <= 56U; a++, pos++) + m_deInterData[a] = bData[pos]; + + for (unsigned int a = 61U; a <= 71U; a++, pos++) + m_deInterData[a] = bData[pos]; + + for (unsigned int a = 76U; a <= 86U; a++, pos++) + m_deInterData[a] = bData[pos]; + + for (unsigned int a = 91U; a <= 101U; a++, pos++) + m_deInterData[a] = bData[pos]; + + for (unsigned int a = 106U; a <= 116U; a++, pos++) + m_deInterData[a] = bData[pos]; + + for (unsigned int a = 121U; a <= 131U; a++, pos++) + m_deInterData[a] = bData[pos]; +} + +// Check each row with a Hamming (15,11,3) code and each column with a Hamming (13,9,3) code +void CBPTC19696::encodeErrorCheck() +{ + + // Run through each of the 9 rows containing data + for (unsigned int r = 0U; r < 9U; r++) { + unsigned int pos = (r * 15U) + 1U; + CHamming::encode15113_2(m_deInterData + pos); + } + + // Run through each of the 15 columns + bool col[13U]; + for (unsigned int c = 0U; c < 15U; c++) { + unsigned int pos = c + 1U; + for (unsigned int a = 0U; a < 13U; a++) { + col[a] = m_deInterData[pos]; + pos = pos + 15U; + } + + CHamming::encode1393(col); + + pos = c + 1U; + for (unsigned int a = 0U; a < 13U; a++) { + m_deInterData[pos] = col[a]; + pos = pos + 15U; + } + } +} + +// Interleave the raw data +void CBPTC19696::encodeInterleave() +{ + for (unsigned int i = 0U; i < 196U; i++) + m_rawData[i] = false; + + // The first bit is R(3) which is not used so can be ignored + for (unsigned int a = 0U; a < 196U; a++) { + // Calculate the interleave sequence + unsigned int interleaveSequence = (a * 181U) % 196U; + // Unshuffle the data + m_rawData[interleaveSequence] = m_deInterData[a]; + } +} + +void CBPTC19696::encodeExtractBinary(unsigned char* data) +{ + // First block + CUtils::bitsToByteBE(m_rawData + 0U, data[0U]); + CUtils::bitsToByteBE(m_rawData + 8U, data[1U]); + CUtils::bitsToByteBE(m_rawData + 16U, data[2U]); + CUtils::bitsToByteBE(m_rawData + 24U, data[3U]); + CUtils::bitsToByteBE(m_rawData + 32U, data[4U]); + CUtils::bitsToByteBE(m_rawData + 40U, data[5U]); + CUtils::bitsToByteBE(m_rawData + 48U, data[6U]); + CUtils::bitsToByteBE(m_rawData + 56U, data[7U]); + CUtils::bitsToByteBE(m_rawData + 64U, data[8U]); + CUtils::bitsToByteBE(m_rawData + 72U, data[9U]); + CUtils::bitsToByteBE(m_rawData + 80U, data[10U]); + CUtils::bitsToByteBE(m_rawData + 88U, data[11U]); + + // Handle the two bits + unsigned char byte; + CUtils::bitsToByteBE(m_rawData + 96U, byte); + data[12U] = (data[12U] & 0x3FU) | ((byte >> 0) & 0xC0U); + data[20U] = (data[20U] & 0xFCU) | ((byte >> 4) & 0x03U); + + // Second block + CUtils::bitsToByteBE(m_rawData + 100U, data[21U]); + CUtils::bitsToByteBE(m_rawData + 108U, data[22U]); + CUtils::bitsToByteBE(m_rawData + 116U, data[23U]); + CUtils::bitsToByteBE(m_rawData + 124U, data[24U]); + CUtils::bitsToByteBE(m_rawData + 132U, data[25U]); + CUtils::bitsToByteBE(m_rawData + 140U, data[26U]); + CUtils::bitsToByteBE(m_rawData + 148U, data[27U]); + CUtils::bitsToByteBE(m_rawData + 156U, data[28U]); + CUtils::bitsToByteBE(m_rawData + 164U, data[29U]); + CUtils::bitsToByteBE(m_rawData + 172U, data[30U]); + CUtils::bitsToByteBE(m_rawData + 180U, data[31U]); + CUtils::bitsToByteBE(m_rawData + 188U, data[32U]); +} diff --git a/DMR2M17/BPTC19696.h b/DMR2M17/BPTC19696.h new file mode 100644 index 0000000..0a40a78 --- /dev/null +++ b/DMR2M17/BPTC19696.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2015 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(BPTC19696_H) +#define BPTC19696_H + +class CBPTC19696 +{ +public: + CBPTC19696(); + ~CBPTC19696(); + + void decode(const unsigned char* in, unsigned char* out); + + void encode(const unsigned char* in, unsigned char* out); + +private: + bool* m_rawData; + bool* m_deInterData; + + void decodeExtractBinary(const unsigned char* in); + void decodeErrorCheck(); + void decodeDeInterleave(); + void decodeExtractData(unsigned char* data) const; + + void encodeExtractData(const unsigned char* in) const; + void encodeInterleave(); + void encodeErrorCheck(); + void encodeExtractBinary(unsigned char* data); +}; + +#endif diff --git a/DMR2M17/CRC.cpp b/DMR2M17/CRC.cpp new file mode 100644 index 0000000..e19f429 --- /dev/null +++ b/DMR2M17/CRC.cpp @@ -0,0 +1,254 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * Copyright (C) 2018 by Andy Uribe CA6JAU + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "CRC.h" + +#include "Utils.h" +#include "Log.h" + +#include +#include +#include +#include + +const uint8_t CRC8_TABLE[] = { + 0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15, 0x38, 0x3F, 0x36, 0x31, + 0x24, 0x23, 0x2A, 0x2D, 0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65, + 0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D, 0xE0, 0xE7, 0xEE, 0xE9, + 0xFC, 0xFB, 0xF2, 0xF5, 0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD, + 0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85, 0xA8, 0xAF, 0xA6, 0xA1, + 0xB4, 0xB3, 0xBA, 0xBD, 0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2, + 0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA, 0xB7, 0xB0, 0xB9, 0xBE, + 0xAB, 0xAC, 0xA5, 0xA2, 0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A, + 0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32, 0x1F, 0x18, 0x11, 0x16, + 0x03, 0x04, 0x0D, 0x0A, 0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42, + 0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A, 0x89, 0x8E, 0x87, 0x80, + 0x95, 0x92, 0x9B, 0x9C, 0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4, + 0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC, 0xC1, 0xC6, 0xCF, 0xC8, + 0xDD, 0xDA, 0xD3, 0xD4, 0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C, + 0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44, 0x19, 0x1E, 0x17, 0x10, + 0x05, 0x02, 0x0B, 0x0C, 0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34, + 0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B, 0x76, 0x71, 0x78, 0x7F, + 0x6A, 0x6D, 0x64, 0x63, 0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B, + 0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13, 0xAE, 0xA9, 0xA0, 0xA7, + 0xB2, 0xB5, 0xBC, 0xBB, 0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83, + 0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB, 0xE6, 0xE1, 0xE8, 0xEF, + 0xFA, 0xFD, 0xF4, 0xF3, 0x01 }; + +const uint16_t CCITT16_TABLE1[] = { + 0x0000U, 0x1189U, 0x2312U, 0x329bU, 0x4624U, 0x57adU, 0x6536U, 0x74bfU, + 0x8c48U, 0x9dc1U, 0xaf5aU, 0xbed3U, 0xca6cU, 0xdbe5U, 0xe97eU, 0xf8f7U, + 0x1081U, 0x0108U, 0x3393U, 0x221aU, 0x56a5U, 0x472cU, 0x75b7U, 0x643eU, + 0x9cc9U, 0x8d40U, 0xbfdbU, 0xae52U, 0xdaedU, 0xcb64U, 0xf9ffU, 0xe876U, + 0x2102U, 0x308bU, 0x0210U, 0x1399U, 0x6726U, 0x76afU, 0x4434U, 0x55bdU, + 0xad4aU, 0xbcc3U, 0x8e58U, 0x9fd1U, 0xeb6eU, 0xfae7U, 0xc87cU, 0xd9f5U, + 0x3183U, 0x200aU, 0x1291U, 0x0318U, 0x77a7U, 0x662eU, 0x54b5U, 0x453cU, + 0xbdcbU, 0xac42U, 0x9ed9U, 0x8f50U, 0xfbefU, 0xea66U, 0xd8fdU, 0xc974U, + 0x4204U, 0x538dU, 0x6116U, 0x709fU, 0x0420U, 0x15a9U, 0x2732U, 0x36bbU, + 0xce4cU, 0xdfc5U, 0xed5eU, 0xfcd7U, 0x8868U, 0x99e1U, 0xab7aU, 0xbaf3U, + 0x5285U, 0x430cU, 0x7197U, 0x601eU, 0x14a1U, 0x0528U, 0x37b3U, 0x263aU, + 0xdecdU, 0xcf44U, 0xfddfU, 0xec56U, 0x98e9U, 0x8960U, 0xbbfbU, 0xaa72U, + 0x6306U, 0x728fU, 0x4014U, 0x519dU, 0x2522U, 0x34abU, 0x0630U, 0x17b9U, + 0xef4eU, 0xfec7U, 0xcc5cU, 0xddd5U, 0xa96aU, 0xb8e3U, 0x8a78U, 0x9bf1U, + 0x7387U, 0x620eU, 0x5095U, 0x411cU, 0x35a3U, 0x242aU, 0x16b1U, 0x0738U, + 0xffcfU, 0xee46U, 0xdcddU, 0xcd54U, 0xb9ebU, 0xa862U, 0x9af9U, 0x8b70U, + 0x8408U, 0x9581U, 0xa71aU, 0xb693U, 0xc22cU, 0xd3a5U, 0xe13eU, 0xf0b7U, + 0x0840U, 0x19c9U, 0x2b52U, 0x3adbU, 0x4e64U, 0x5fedU, 0x6d76U, 0x7cffU, + 0x9489U, 0x8500U, 0xb79bU, 0xa612U, 0xd2adU, 0xc324U, 0xf1bfU, 0xe036U, + 0x18c1U, 0x0948U, 0x3bd3U, 0x2a5aU, 0x5ee5U, 0x4f6cU, 0x7df7U, 0x6c7eU, + 0xa50aU, 0xb483U, 0x8618U, 0x9791U, 0xe32eU, 0xf2a7U, 0xc03cU, 0xd1b5U, + 0x2942U, 0x38cbU, 0x0a50U, 0x1bd9U, 0x6f66U, 0x7eefU, 0x4c74U, 0x5dfdU, + 0xb58bU, 0xa402U, 0x9699U, 0x8710U, 0xf3afU, 0xe226U, 0xd0bdU, 0xc134U, + 0x39c3U, 0x284aU, 0x1ad1U, 0x0b58U, 0x7fe7U, 0x6e6eU, 0x5cf5U, 0x4d7cU, + 0xc60cU, 0xd785U, 0xe51eU, 0xf497U, 0x8028U, 0x91a1U, 0xa33aU, 0xb2b3U, + 0x4a44U, 0x5bcdU, 0x6956U, 0x78dfU, 0x0c60U, 0x1de9U, 0x2f72U, 0x3efbU, + 0xd68dU, 0xc704U, 0xf59fU, 0xe416U, 0x90a9U, 0x8120U, 0xb3bbU, 0xa232U, + 0x5ac5U, 0x4b4cU, 0x79d7U, 0x685eU, 0x1ce1U, 0x0d68U, 0x3ff3U, 0x2e7aU, + 0xe70eU, 0xf687U, 0xc41cU, 0xd595U, 0xa12aU, 0xb0a3U, 0x8238U, 0x93b1U, + 0x6b46U, 0x7acfU, 0x4854U, 0x59ddU, 0x2d62U, 0x3cebU, 0x0e70U, 0x1ff9U, + 0xf78fU, 0xe606U, 0xd49dU, 0xc514U, 0xb1abU, 0xa022U, 0x92b9U, 0x8330U, + 0x7bc7U, 0x6a4eU, 0x58d5U, 0x495cU, 0x3de3U, 0x2c6aU, 0x1ef1U, 0x0f78U }; + +const uint16_t CCITT16_TABLE2[] = { + 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7, + 0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF, + 0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6, + 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE, + 0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485, + 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D, + 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4, + 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC, + 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823, + 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B, + 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12, + 0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A, + 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41, + 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49, + 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70, + 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78, + 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F, + 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067, + 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E, + 0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256, + 0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D, + 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, + 0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C, + 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634, + 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB, + 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3, + 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A, + 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92, + 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, + 0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1, + 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8, + 0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0 }; + + +bool CCRC::checkFiveBit(bool* in, unsigned int tcrc) +{ + assert(in != NULL); + + unsigned int crc; + encodeFiveBit(in, crc); + + return crc == tcrc; +} + +void CCRC::encodeFiveBit(const bool* in, unsigned int& tcrc) +{ + assert(in != NULL); + + unsigned short total = 0U; + for (unsigned int i = 0U; i < 72U; i += 8U) { + unsigned char c; + CUtils::bitsToByteBE(in + i, c); + total += c; + } + + total %= 31U; + + tcrc = total; +} + +void CCRC::addCCITT162(unsigned char *in, unsigned int length) +{ + assert(in != NULL); + assert(length > 2U); + + union { + uint16_t crc16; + uint8_t crc8[2U]; + }; + + crc16 = 0U; + + for (unsigned i = 0U; i < (length - 2U); i++) + crc16 = (uint16_t(crc8[0U]) << 8) ^ CCITT16_TABLE2[crc8[1U] ^ in[i]]; + + crc16 = ~crc16; + + in[length - 1U] = crc8[0U]; + in[length - 2U] = crc8[1U]; +} + +bool CCRC::checkCCITT162(const unsigned char *in, unsigned int length) +{ + assert(in != NULL); + assert(length > 2U); + + union { + uint16_t crc16; + uint8_t crc8[2U]; + }; + + crc16 = 0U; + + for (unsigned i = 0U; i < (length - 2U); i++) + crc16 = (uint16_t(crc8[0U]) << 8) ^ CCITT16_TABLE2[crc8[1U] ^ in[i]]; + + crc16 = ~crc16; + + return crc8[0U] == in[length - 1U] && crc8[1U] == in[length - 2U]; +} + +void CCRC::addCCITT161(unsigned char *in, unsigned int length) +{ + assert(in != NULL); + assert(length > 2U); + + union { + uint16_t crc16; + uint8_t crc8[2U]; + }; + + crc16 = 0xFFFFU; + + for (unsigned int i = 0U; i < (length - 2U); i++) + crc16 = uint16_t(crc8[1U]) ^ CCITT16_TABLE1[crc8[0U] ^ in[i]]; + + crc16 = ~crc16; + + in[length - 2U] = crc8[0U]; + in[length - 1U] = crc8[1U]; +} + +bool CCRC::checkCCITT161(const unsigned char *in, unsigned int length) +{ + assert(in != NULL); + assert(length > 2U); + + union { + uint16_t crc16; + uint8_t crc8[2U]; + }; + + crc16 = 0xFFFFU; + + for (unsigned int i = 0U; i < (length - 2U); i++) + crc16 = uint16_t(crc8[1U]) ^ CCITT16_TABLE1[crc8[0U] ^ in[i]]; + + crc16 = ~crc16; + + return crc8[0U] == in[length - 2U] && crc8[1U] == in[length - 1U]; +} + +unsigned char CCRC::crc8(const unsigned char *in, unsigned int length) +{ + assert(in != NULL); + + uint8_t crc = 0U; + + for (unsigned int i = 0U; i < length; i++) + crc = CRC8_TABLE[crc ^ in[i]]; + + return crc; +} + +unsigned char CCRC::addCRC(const unsigned char* in, unsigned int length) +{ + assert(in != NULL); + + unsigned char crc = 0U; + + for (unsigned int i = 0U; i < length; i++) + crc += in[i]; + + return crc; +} + diff --git a/DMR2M17/CRC.h b/DMR2M17/CRC.h new file mode 100644 index 0000000..d529271 --- /dev/null +++ b/DMR2M17/CRC.h @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * Copyright (C) 2018 by Andy Uribe CA6JAU + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(CRC_H) +#define CRC_H + +class CCRC +{ +public: + static bool checkFiveBit(bool* in, unsigned int tcrc); + static void encodeFiveBit(const bool* in, unsigned int& tcrc); + + static void addCCITT161(unsigned char* in, unsigned int length); + static void addCCITT162(unsigned char* in, unsigned int length); + + static bool checkCCITT161(const unsigned char* in, unsigned int length); + static bool checkCCITT162(const unsigned char* in, unsigned int length); + + static unsigned char crc8(const unsigned char* in, unsigned int length); + + static unsigned char addCRC(const unsigned char* in, unsigned int length); +}; + +#endif diff --git a/DMR2M17/Conf.cpp b/DMR2M17/Conf.cpp new file mode 100644 index 0000000..730723c --- /dev/null +++ b/DMR2M17/Conf.cpp @@ -0,0 +1,272 @@ +/* + * Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX + * Copyright (C) 2018 by Andy Uribe CA6JAU + * Copyright (C) 2020 by Doug McLain AD8DP + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "Conf.h" +#include "Log.h" + +#include +#include +#include +#include + +const int BUFFER_SIZE = 500; + +enum SECTION { + SECTION_NONE, + SECTION_M17_NETWORK, + SECTION_DMR_NETWORK, + SECTION_DMRID_LOOKUP, + SECTION_LOG +}; + +CConf::CConf(const std::string& file) : +m_file(file), +m_callsign(), +m_daemon(false), +m_dmrId(0U), +m_dmrRptAddress(), +m_dmrRptPort(0U), +m_dmrLocalAddress(), +m_dmrLocalPort(0U), +m_dmrDebug(false), +m_m17DstId(0U), +m_m17DstName(), +m_m17DstAddress(), +m_m17DstPort(0U), +m_m17LocalAddress(), +m_m17LocalPort(0U), +m_m17GainAdjDb(), +m_m17NetworkDebug(false), +m_dmrIdLookupFile(), +m_dmrIdLookupTime(0U), +m_logDisplayLevel(0U), +m_logFileLevel(0U), +m_logFilePath(), +m_logFileRoot() +{ +} + +CConf::~CConf() +{ +} + +bool CConf::read() +{ + FILE* fp = ::fopen(m_file.c_str(), "rt"); + if (fp == NULL) { + ::fprintf(stderr, "Couldn't open the .ini file - %s\n", m_file.c_str()); + return false; + } + + SECTION section = SECTION_NONE; + + char buffer[BUFFER_SIZE]; + while (::fgets(buffer, BUFFER_SIZE, fp) != NULL) { + if (buffer[0U] == '#') + continue; + + if (buffer[0U] == '[') { + if (::strncmp(buffer, "[M17 Network]", 13U) == 0) + section = SECTION_M17_NETWORK; + else if (::strncmp(buffer, "[DMR Network]", 13U) == 0) + section = SECTION_DMR_NETWORK; + else if (::strncmp(buffer, "[DMR Id Lookup]", 15U) == 0) + section = SECTION_DMRID_LOOKUP; + else if (::strncmp(buffer, "[Log]", 5U) == 0) + section = SECTION_LOG; + else + section = SECTION_NONE; + + continue; + } + + char* key = ::strtok(buffer, " \t=\r\n"); + if (key == NULL) + continue; + + char* value = ::strtok(NULL, "\r\n"); + if (value == NULL) + continue; + + // Remove quotes from the value + size_t len = ::strlen(value); + if (len > 1U && *value == '"' && value[len - 1U] == '"') { + value[len - 1U] = '\0'; + value++; + } + ::fprintf(stderr, "CConf key:val:section == %s:%s:%d\n", key, value, section); + if (section == SECTION_M17_NETWORK) { + if (::strcmp(key, "Callsign") == 0) + m_callsign = value; + else if (::strcmp(key, "StartupDstId") == 0) + m_m17DstId = (unsigned int)::atoi(value); + else if (::strcmp(key, "LocalAddress") == 0) + m_m17LocalAddress = value; + else if (::strcmp(key, "LocalPort") == 0) + m_m17LocalPort = (unsigned int)::atoi(value); + else if (::strcmp(key, "DstName") == 0) + m_m17DstName = value; + else if (::strcmp(key, "DstAddress") == 0) + m_m17DstAddress = value; + else if (::strcmp(key, "DstPort") == 0) + m_m17DstPort = (unsigned int)::atoi(value); + else if (::strcmp(key, "GainAdjustdB") == 0) + m_m17GainAdjDb = value; + else if (::strcmp(key, "Debug") == 0) + m_m17NetworkDebug = ::atoi(value) == 1; + } else if (section == SECTION_DMR_NETWORK) { + if (::strcmp(key, "Id") == 0) + m_dmrId = (unsigned int)::atoi(value); + else if (::strcmp(key, "RptAddress") == 0) + m_dmrRptAddress = value; + else if (::strcmp(key, "RptPort") == 0) + m_dmrRptPort = (unsigned int)::atoi(value); + else if (::strcmp(key, "LocalAddress") == 0) + m_dmrLocalAddress = value; + else if (::strcmp(key, "LocalPort") == 0) + m_dmrLocalPort = (unsigned int)::atoi(value); + else if (::strcmp(key, "Debug") == 0) + m_dmrDebug = ::atoi(value) == 1; + } else if (section == SECTION_DMRID_LOOKUP) { + if (::strcmp(key, "File") == 0) + m_dmrIdLookupFile = value; + else if (::strcmp(key, "Time") == 0) + m_dmrIdLookupTime = (unsigned int)::atoi(value); + } else if (section == SECTION_LOG) { + if (::strcmp(key, "FilePath") == 0) + m_logFilePath = value; + else if (::strcmp(key, "FileRoot") == 0) + m_logFileRoot = value; + else if (::strcmp(key, "FileLevel") == 0) + m_logFileLevel = (unsigned int)::atoi(value); + else if (::strcmp(key, "DisplayLevel") == 0) + m_logDisplayLevel = (unsigned int)::atoi(value); + } + } + + ::fclose(fp); + + return true; +} + +std::string CConf::getCallsign() const +{ + return m_callsign; +} + +std::string CConf::getM17DstName() const +{ + return m_m17DstName; +} + +std::string CConf::getM17DstAddress() const +{ + return m_m17DstAddress; +} + +unsigned int CConf::getM17DstPort() const +{ + return m_m17DstPort; +} + +std::string CConf::getM17LocalAddress() const +{ + return m_m17LocalAddress; +} + +unsigned int CConf::getM17LocalPort() const +{ + return m_m17LocalPort; +} + +std::string CConf::getM17GainAdjDb() const +{ + return m_m17GainAdjDb; +} + +bool CConf::getM17NetworkDebug() const +{ + return m_m17NetworkDebug; +} + +bool CConf::getDaemon() const +{ + return m_daemon; +} + +unsigned int CConf::getDMRId() const +{ + return m_dmrId; +} + +std::string CConf::getDMRRptAddress() const +{ + return m_dmrRptAddress; +} + +unsigned int CConf::getDMRRptPort() const +{ + return m_dmrRptPort; +} + +std::string CConf::getDMRLocalAddress() const +{ + return m_dmrLocalAddress; +} + +unsigned int CConf::getDMRLocalPort() const +{ + return m_dmrLocalPort; +} + +bool CConf::getDMRDebug() const +{ + return m_dmrDebug; +} + +std::string CConf::getDMRIdLookupFile() const +{ + return m_dmrIdLookupFile; +} + +unsigned int CConf::getDMRIdLookupTime() const +{ + return m_dmrIdLookupTime; +} + +unsigned int CConf::getLogDisplayLevel() const +{ + return m_logDisplayLevel; +} + +unsigned int CConf::getLogFileLevel() const +{ + return m_logFileLevel; +} + +std::string CConf::getLogFilePath() const +{ + return m_logFilePath; +} + +std::string CConf::getLogFileRoot() const +{ + return m_logFileRoot; +} diff --git a/DMR2M17/Conf.h b/DMR2M17/Conf.h new file mode 100644 index 0000000..d68ae18 --- /dev/null +++ b/DMR2M17/Conf.h @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX + * Copyright (C) 2018 by Andy Uribe CA6JAU +* Copyright (C) 2020 by Doug McLain AD8DP + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(CONF_H) +#define CONF_H + +#include +#include + +class CConf +{ +public: + CConf(const std::string& file); + ~CConf(); + + bool read(); + + // The M17 Network section + std::string getCallsign() const; + bool getDaemon() const; + unsigned int getM17DstId() const; + std::string getM17DstName() const; + std::string getM17DstAddress() const; + unsigned int getM17DstPort() const; + std::string getM17LocalAddress() const; + unsigned int getM17LocalPort() const; + std::string getM17GainAdjDb() const; + bool getM17NetworkDebug() const; + + // The DMR Network section + unsigned int getDMRId() const; + std::string getDMRRptAddress() const; + unsigned int getDMRRptPort() const; + std::string getDMRLocalAddress() const; + unsigned int getDMRLocalPort() const; + bool getDMRDebug() const; + + // The DMR Id section + std::string getDMRIdLookupFile() const; + unsigned int getDMRIdLookupTime() const; + + // The Log section + unsigned int getLogDisplayLevel() const; + unsigned int getLogFileLevel() const; + std::string getLogFilePath() const; + std::string getLogFileRoot() const; + +private: + std::string m_file; + std::string m_callsign; + bool m_daemon; + + unsigned int m_dmrId; + std::string m_dmrRptAddress; + unsigned int m_dmrRptPort; + std::string m_dmrLocalAddress; + unsigned int m_dmrLocalPort; + bool m_dmrDebug; + + unsigned int m_m17DstId; + std::string m_m17DstName; + std::string m_m17DstAddress; + unsigned int m_m17DstPort; + std::string m_m17LocalAddress; + unsigned int m_m17LocalPort; + std::string m_m17GainAdjDb; + bool m_m17NetworkDebug; + + std::string m_dmrIdLookupFile; + unsigned int m_dmrIdLookupTime; + + unsigned int m_logDisplayLevel; + unsigned int m_logFileLevel; + std::string m_logFilePath; + std::string m_logFileRoot; + +}; + +#endif diff --git a/DMR2M17/DMR2M17.cpp b/DMR2M17/DMR2M17.cpp new file mode 100644 index 0000000..ccd4f84 --- /dev/null +++ b/DMR2M17/DMR2M17.cpp @@ -0,0 +1,694 @@ +/* +* Copyright (C) 2016,2017 by Jonathan Naylor G4KLX +* Copyright (C) 2018 by Andy Uribe CA6JAU +* Copyright (C) 2020 by Doug McLain AD8DP +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "DMR2M17.h" +#include +#include +#include +#include +#include + +#define DMR_FRAME_PER 55U +#define M17_FRAME_PER 35U + +const char* DEFAULT_INI_FILE = "/etc/DMR2M17.ini"; + +const char* HEADER1 = "This software is for use on amateur radio networks only,"; +const char* HEADER2 = "it is to be used for educational purposes only. Its use on"; +const char* HEADER3 = "commercial networks is strictly prohibited."; +const char* HEADER4 = "Copyright(C) 2018 by CA6JAU, G4KLX and others"; + +#define M17CHARACTERS " ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-/." + +#include +#include +#include +#include +#include +#include +#include + +static bool m_killed = false; + +void sig_handler(int signo) +{ + if (signo == SIGTERM) { + m_killed = true; + ::fprintf(stdout, "Received SIGTERM\n"); + } +} + +void encode_callsign(uint8_t *callsign) +{ + const std::string m17_alphabet(M17CHARACTERS); + char cs[10]; + memset(cs, 0, sizeof(cs)); + memcpy(cs, callsign, strlen((char *)callsign)); + uint64_t encoded = 0; + for(int i = std::strlen((char *)callsign)-1; i >= 0; i--) { + auto pos = m17_alphabet.find(cs[i]); + if (pos == std::string::npos) { + pos = 0; + } + encoded *= 40; + encoded += pos; + } + for (int i=0; i<6; i++) { + callsign[i] = (encoded >> (8*(5-i)) & 0xFFU); + } +} + +void decode_callsign(uint8_t *callsign) +{ + const std::string m17_alphabet(M17CHARACTERS); + uint8_t code[6]; + uint64_t coded = callsign[0]; + for (int i=1; i<6; i++) + coded = (coded << 8) | callsign[i]; + if (coded > 0xee6b27ffffffu) { + //std::cerr << "Callsign code is too large, 0x" << std::hex << coded << std::endl; + return; + } + memcpy(code, callsign, 6); + memset(callsign, 0, 10); + int i = 0; + while (coded) { + callsign[i++] = m17_alphabet[coded % 40]; + coded /= 40; + } +} + +int main(int argc, char** argv) +{ + const char* iniFile = DEFAULT_INI_FILE; + if (argc > 1) { + for (int currentArg = 1; currentArg < argc; ++currentArg) { + std::string arg = argv[currentArg]; + if ((arg == "-v") || (arg == "--version")) { + ::fprintf(stdout, "DMR2M17 version %s\n", VERSION); + return 0; + } else if (arg.substr(0, 1) == "-") { + ::fprintf(stderr, "Usage: DMR2M17 [-v|--version] [filename]\n"); + return 1; + } else { + iniFile = argv[currentArg]; + } + } + } + + // Capture SIGTERM to finish gracelessly + if (signal(SIGTERM, sig_handler) == SIG_ERR) + ::fprintf(stdout, "Can't catch SIGTERM\n"); + + CDMR2M17* gateway = new CDMR2M17(std::string(iniFile)); + + int ret = gateway->run(); + + delete gateway; + + return ret; +} + +CDMR2M17::CDMR2M17(const std::string& configFile) : +m_callsign(), +m_m17Ref(), +m_conf(configFile), +m_dmrNetwork(NULL), +m_m17Network(NULL), +m_dmrlookup(NULL), +m_conv(), +m_colorcode(1U), +m_dstid(1U), +m_dmrSrc(1U), +m_dmrDst(1U), +m_dmrLastDT(0U), +m_dmrFrame(NULL), +m_dmrFrames(0U), +m_m17Src(), +m_m17Dst(), +m_m17Frame(NULL), +m_m17Frames(0U), +m_EmbeddedLC(), +m_dmrflco(FLCO_GROUP), +m_dmrinfo(false), +m_config(NULL), +m_configLen(0U) +{ + m_m17Frame = new unsigned char[100U]; + m_dmrFrame = new unsigned char[50U]; + m_config = new unsigned char[400U]; + + ::memset(m_m17Frame, 0U, 100U); + ::memset(m_dmrFrame, 0U, 50U); +} + +CDMR2M17::~CDMR2M17() +{ + delete[] m_m17Frame; + delete[] m_dmrFrame; + delete[] m_config; +} + +int CDMR2M17::run() +{ + bool ret = m_conf.read(); + if (!ret) { + ::fprintf(stderr, "DMR2NXDN: cannot read the .ini file\n"); + return 1; + } + + //setlocale(LC_ALL, "C"); + + unsigned int logDisplayLevel = m_conf.getLogDisplayLevel(); + + if(m_conf.getDaemon()) + logDisplayLevel = 0U; + + bool m_daemon = m_conf.getDaemon(); + if (m_daemon) { + // Create new process + pid_t pid = ::fork(); + if (pid == -1) { + ::fprintf(stderr, "Couldn't fork() , exiting\n"); + return -1; + } else if (pid != 0) + exit(EXIT_SUCCESS); + + // Create new session and process group + if (::setsid() == -1) { + ::fprintf(stderr, "Couldn't setsid(), exiting\n"); + return -1; + } + + // Set the working directory to the root directory + if (::chdir("/") == -1) { + ::fprintf(stderr, "Couldn't cd /, exiting\n"); + return -1; + } + + // If we are currently root... + if (getuid() == 0) { + struct passwd* user = ::getpwnam("mmdvm"); + if (user == NULL) { + ::fprintf(stderr, "Could not get the mmdvm user, exiting\n"); + return -1; + } + + uid_t mmdvm_uid = user->pw_uid; + gid_t mmdvm_gid = user->pw_gid; + + // Set user and group ID's to mmdvm:mmdvm + if (setgid(mmdvm_gid) != 0) { + ::fprintf(stderr, "Could not set mmdvm GID, exiting\n"); + return -1; + } + + if (setuid(mmdvm_uid) != 0) { + ::fprintf(stderr, "Could not set mmdvm UID, exiting\n"); + return -1; + } + + // Double check it worked (AKA Paranoia) + if (setuid(0) != -1) { + ::fprintf(stderr, "It's possible to regain root - something is wrong!, exiting\n"); + return -1; + } + } + } + + ret = ::LogInitialise(m_conf.getLogFilePath(), m_conf.getLogFileRoot(), m_conf.getLogFileLevel(), logDisplayLevel); + if (!ret) { + ::fprintf(stderr, "DMR2M17: unable to open the log file\n"); + return 1; + } + + if (m_daemon) { + ::close(STDIN_FILENO); + ::close(STDOUT_FILENO); + ::close(STDERR_FILENO); + } + + LogInfo(HEADER1); + LogInfo(HEADER2); + LogInfo(HEADER3); + LogInfo(HEADER4); + + m_callsign = m_conf.getCallsign(); + m_m17Ref = m_conf.getM17DstName(); + + std::string m17_dstAddress = m_conf.getM17DstAddress(); + unsigned int m17_dstPort = m_conf.getM17DstPort(); + std::string m17_localAddress = m_conf.getM17LocalAddress(); + unsigned int m17_localPort = m_conf.getM17LocalPort(); + bool m17_debug = m_conf.getM17NetworkDebug(); + + m_conv.setM17GainAdjDb(m_conf.getM17GainAdjDb()); + + uint16_t streamid = 0; + unsigned char m17_src[10]; + unsigned char m17_dst[10]; + + memcpy(m17_src, m_callsign.c_str(), 9); + m17_src[9] = 0x00; + encode_callsign(m17_src); + + m_m17Network = new CM17Network(m17_localAddress, m17_localPort, m17_dstAddress, m17_dstPort, m17_src, m17_debug); + + ret = m_m17Network->open(); + if (!ret) { + ::LogError("Cannot open the M17 network port"); + ::LogFinalise(); + return 1; + } + + ret = createMMDVM(); + if (!ret) + return 1; + + LogMessage("Waiting for MMDVM to connect....."); + + while (!m_killed) { + m_configLen = m_dmrNetwork->getConfig(m_config); + if (m_configLen > 0U && m_dmrNetwork->getId() > 1000U) + break; + + m_dmrNetwork->clock(10U); + + CThread::sleep(10U); + } + + if (m_killed) { + m_dmrNetwork->close(); + delete m_dmrNetwork; + return 0; + } + + LogMessage("MMDVM has connected"); + + std::string lookupFile = m_conf.getDMRIdLookupFile(); + unsigned int reloadTime = m_conf.getDMRIdLookupTime(); + + m_dmrlookup = new CDMRLookup(lookupFile, reloadTime); + m_dmrlookup->read(); + + m_dmrflco = FLCO_GROUP; + + CTimer networkWatchdog(100U, 0U, 1500U); + CTimer pollTimer(1000U, 8U); + CStopWatch stopWatch; + CStopWatch m17Watch; + CStopWatch dmrWatch; + + pollTimer.start(); + stopWatch.start(); + m17Watch.start(); + dmrWatch.start(); + + unsigned short m17_cnt = 0; + unsigned char dmr_cnt = 0; + + m_m17Network->writeLink(); + + LogMessage("Starting DMR2M17-%s", VERSION); + + for (; m_killed == 0;) { + unsigned char buffer[2000U]; + memset(buffer, 0, sizeof(buffer)); + + CDMRData tx_dmrdata; + unsigned int ms = stopWatch.elapsed(); + + if (m17Watch.elapsed() > M17_FRAME_PER) { + unsigned int m17FrameType = m_conv.getM17(m_m17Frame); + + if(m17FrameType == TAG_HEADER) { + m17_cnt = 0U; + m17Watch.start(); + + streamid = static_cast((::rand() & 0xFFFF)); + memcpy(m17_dst, m_m17Ref.c_str(), m_m17Ref.size()); + m17_dst[9] = 0x00; + encode_callsign(m17_dst); + + memcpy(buffer, "M17 ", 4); + memcpy(buffer+4, &streamid, 2); + memcpy(buffer+6, m17_dst, 6); + memcpy(buffer+12, m17_src, 6); + buffer[19] = 0x05; + memcpy(buffer+36, m_m17Frame, 16); + m_m17Network->writeData(buffer, 54U); + } + else if(m17FrameType == TAG_EOT) { + m17_cnt |= 0x8000; + memcpy(buffer, "M17 ", 4); + memcpy(buffer+4, &streamid, 2); + memcpy(buffer+6, m17_dst, 6); + memcpy(buffer+12, m17_src, 6); + buffer[19] = 0x05; + buffer[34] = m17_cnt >> 8; + buffer[35] = m17_cnt & 0xff; + memcpy(buffer+36, m_m17Frame, 16); + m_m17Network->writeData(buffer, 54U); + m17Watch.start(); + } + else if(m17FrameType == TAG_DATA) { + //CUtils::dump(1U, "P25 Data", m_p25Frame, 11U); + m17_cnt++; + memcpy(buffer, "M17 ", 4); + memcpy(buffer+4, &streamid, 2); + memcpy(buffer+6, m17_dst, 6); + memcpy(buffer+12, m17_src, 6); + buffer[19] = 0x05; + buffer[34] = m17_cnt >> 8; + buffer[35] = m17_cnt & 0xff; + memcpy(buffer+36, m_m17Frame, 16); + m_m17Network->writeData(buffer, 54U); + m17Watch.start(); + } + } + + while (m_m17Network->readData(m_m17Frame, 54U) > 0U) { + //CUtils::dump(1U, "P25 Data", m_p25Frame, 22U); + if (!memcmp(m_m17Frame, "M17 ", 4)) { + if (m_m17Frame[34] == 0 && m_m17Frame[35] == 0) { + m_m17Frames = 0; + m_conv.putM17Header(); + } + else if (m_m17Frame[34U] & 0x80U) { + LogMessage("M17 received end of voice transmission, %.1f seconds", float(m_m17Frames) / 25.0F); + m_conv.putM17EOT(); + } + else{ + m_conv.putM17(m_m17Frame); + } + uint8_t cs[10]; + memcpy(cs, m_m17Frame+12, 6); + decode_callsign(cs); + std::string css((char *)cs); + css = css.substr(0, css.find(' ')); + + int dmrid = m_dmrlookup->findID(css); + if(dmrid){ + m_dmrSrc = dmrid; + } + m_m17Frames++; + } + } + + if (dmrWatch.elapsed() > DMR_FRAME_PER) { + unsigned int dmrFrameType = m_conv.getDMR(m_dmrFrame); + if(dmrFrameType == TAG_HEADER) { + CDMRData rx_dmrdata; + dmr_cnt = 0U; + + rx_dmrdata.setSlotNo(2U); + rx_dmrdata.setSrcId(m_dmrSrc); + rx_dmrdata.setDstId(m_dmrDst); + rx_dmrdata.setFLCO(m_dmrflco); + rx_dmrdata.setN(0U); + rx_dmrdata.setSeqNo(0U); + rx_dmrdata.setBER(0U); + rx_dmrdata.setRSSI(0U); + rx_dmrdata.setDataType(DT_VOICE_LC_HEADER); + + // Add sync + CSync::addDMRDataSync(m_dmrFrame, 0); + + // Add SlotType + CDMRSlotType slotType; + slotType.setColorCode(m_colorcode); + slotType.setDataType(DT_VOICE_LC_HEADER); + slotType.getData(m_dmrFrame); + + // Full LC + CDMRLC dmrLC = CDMRLC(m_dmrflco, m_dmrSrc, m_dmrDst); + CDMRFullLC fullLC; + fullLC.encode(dmrLC, m_dmrFrame, DT_VOICE_LC_HEADER); + m_EmbeddedLC.setLC(dmrLC); + + rx_dmrdata.setData(m_dmrFrame); + //CUtils::dump(1U, "DMR data:", m_dmrFrame, 33U); + + for (unsigned int i = 0U; i < 3U; i++) { + rx_dmrdata.setSeqNo(dmr_cnt); + m_dmrNetwork->write(rx_dmrdata); + dmr_cnt++; + } + + dmrWatch.start(); + } + else if(dmrFrameType == TAG_EOT) { + CDMRData rx_dmrdata; + unsigned int n_dmr = (dmr_cnt - 3U) % 6U; + unsigned int fill = (6U - n_dmr); + + if (n_dmr) { + for (unsigned int i = 0U; i < fill; i++) { + + CDMREMB emb; + CDMRData rx_dmrdata; + + rx_dmrdata.setSlotNo(2U); + rx_dmrdata.setSrcId(m_dmrSrc); + rx_dmrdata.setDstId(m_dmrDst); + rx_dmrdata.setFLCO(m_dmrflco); + rx_dmrdata.setN(n_dmr); + rx_dmrdata.setSeqNo(dmr_cnt); + rx_dmrdata.setBER(0U); + rx_dmrdata.setRSSI(0U); + rx_dmrdata.setDataType(DT_VOICE); + + ::memcpy(m_dmrFrame, DMR_SILENCE_DATA, DMR_FRAME_LENGTH_BYTES); + + // Generate the Embedded LC + unsigned char lcss = m_EmbeddedLC.getData(m_dmrFrame, n_dmr); + + // Generate the EMB + emb.setColorCode(m_colorcode); + emb.setLCSS(lcss); + emb.getData(m_dmrFrame); + + rx_dmrdata.setData(m_dmrFrame); + + //CUtils::dump(1U, "DMR data:", m_dmrFrame, 33U); + m_dmrNetwork->write(rx_dmrdata); + + n_dmr++; + dmr_cnt++; + } + } + + rx_dmrdata.setSlotNo(2U); + rx_dmrdata.setSrcId(m_dmrSrc); + rx_dmrdata.setDstId(m_dmrDst); + rx_dmrdata.setFLCO(m_dmrflco); + rx_dmrdata.setN(n_dmr); + rx_dmrdata.setSeqNo(dmr_cnt); + rx_dmrdata.setBER(0U); + rx_dmrdata.setRSSI(0U); + rx_dmrdata.setDataType(DT_TERMINATOR_WITH_LC); + + // Add sync + CSync::addDMRDataSync(m_dmrFrame, 0); + + // Add SlotType + CDMRSlotType slotType; + slotType.setColorCode(m_colorcode); + slotType.setDataType(DT_TERMINATOR_WITH_LC); + slotType.getData(m_dmrFrame); + + // Full LC + CDMRLC dmrLC = CDMRLC(m_dmrflco, m_dmrSrc, m_dmrDst); + CDMRFullLC fullLC; + fullLC.encode(dmrLC, m_dmrFrame, DT_TERMINATOR_WITH_LC); + + rx_dmrdata.setData(m_dmrFrame); + //CUtils::dump(1U, "DMR data:", m_dmrFrame, 33U); + m_dmrNetwork->write(rx_dmrdata); + + dmrWatch.start(); + } + else if(dmrFrameType == TAG_DATA) { + CDMREMB emb; + CDMRData rx_dmrdata; + unsigned int n_dmr = (dmr_cnt - 3U) % 6U; + + rx_dmrdata.setSlotNo(2U); + rx_dmrdata.setSrcId(m_dmrSrc); + rx_dmrdata.setDstId(m_dmrDst); + rx_dmrdata.setFLCO(m_dmrflco); + rx_dmrdata.setN(n_dmr); + rx_dmrdata.setSeqNo(dmr_cnt); + rx_dmrdata.setBER(0U); + rx_dmrdata.setRSSI(0U); + + if (!n_dmr) { + rx_dmrdata.setDataType(DT_VOICE_SYNC); + // Add sync + CSync::addDMRAudioSync(m_dmrFrame, 0U); + // Prepare Full LC data + CDMRLC dmrLC = CDMRLC(m_dmrflco, m_dmrSrc, m_dmrDst); + // Configure the Embedded LC + m_EmbeddedLC.setLC(dmrLC); + } + else { + rx_dmrdata.setDataType(DT_VOICE); + // Generate the Embedded LC + unsigned char lcss = m_EmbeddedLC.getData(m_dmrFrame, n_dmr); + // Generate the EMB + emb.setColorCode(m_colorcode); + emb.setLCSS(lcss); + emb.getData(m_dmrFrame); + } + + rx_dmrdata.setData(m_dmrFrame); + + //CUtils::dump(1U, "DMR data:", m_dmrFrame, 33U); + m_dmrNetwork->write(rx_dmrdata); + + dmr_cnt++; + dmrWatch.start(); + } + } + + while (m_dmrNetwork->read(tx_dmrdata) > 0U) { + m_dmrSrc = tx_dmrdata.getSrcId(); + m_dmrDst = tx_dmrdata.getDstId(); + + memset(m17_src, 0, 10); + std::string css = m_dmrlookup->findCS(m_dmrSrc); + memcpy(m17_src, css.c_str(), css.size()); + m17_src[css.size()] = ' '; + m17_src[css.size()+1] = 'D'; + encode_callsign(m17_src); + //fprintf(stderr, "M17 Callsign info %s : %s : %d\n", m17_src, css.c_str(), m_dmrSrc); + + FLCO netflco = tx_dmrdata.getFLCO(); + unsigned char DataType = tx_dmrdata.getDataType(); + + if (!tx_dmrdata.isMissing()) { + networkWatchdog.start(); + + if(DataType == DT_TERMINATOR_WITH_LC && m_dmrFrames > 0U) { + LogMessage("DMR received end of voice transmission, %.1f seconds", float(m_dmrFrames) / 16.667F); + + m_conv.putDMREOT(); + networkWatchdog.stop(); + m_dmrFrames = 0U; + m_dmrinfo = false; + } + + if((DataType == DT_VOICE_LC_HEADER) && (DataType != m_dmrLastDT)) { + std::string netSrc = m_dmrlookup->findCS(m_dmrSrc); + std::string netDst = (netflco == FLCO_GROUP ? "TG " : "") + m_dmrlookup->findCS(m_dmrDst); + + m_conv.putDMRHeader(); + LogMessage("DMR header received from %s to %s", netSrc.c_str(), netDst.c_str()); + + m_dmrinfo = true; + + m_dmrFrames = 0U; + } + + if(DataType == DT_VOICE_SYNC || DataType == DT_VOICE) { + unsigned char dmr_frame[50]; + tx_dmrdata.getData(dmr_frame); + m_conv.putDMR(dmr_frame); + m_dmrFrames++; + } + } + else { + if(DataType == DT_VOICE_SYNC || DataType == DT_VOICE) { + unsigned char dmr_frame[50]; + tx_dmrdata.getData(dmr_frame); + + if (!m_dmrinfo) { + std::string netSrc = m_dmrlookup->findCS(m_dmrSrc); + std::string netDst = (netflco == FLCO_GROUP ? "TG " : "") + m_dmrlookup->findCS(m_dmrDst); + + m_conv.putDMRHeader(); + LogMessage("DMR late entry from %s to %s", netSrc.c_str(), netDst.c_str()); + + m_dmrinfo = true; + } + + m_conv.putDMR(dmr_frame); + m_dmrFrames++; + } + + networkWatchdog.clock(ms); + if (networkWatchdog.hasExpired()) { + LogDebug("Network watchdog has expired, %.1f seconds", float(m_dmrFrames) / 16.667F); + networkWatchdog.stop(); + m_dmrFrames = 0U; + m_dmrinfo = false; + } + } + + m_dmrLastDT = DataType; + } + + stopWatch.start(); + + m_dmrNetwork->clock(ms); + pollTimer.clock(ms); + if (pollTimer.isRunning() && pollTimer.hasExpired()) { + m_m17Network->writePoll(); + pollTimer.start(); + } + + + } + + m_m17Network->close(); + m_dmrNetwork->close(); + delete m_dmrNetwork; + delete m_m17Network; + + ::LogFinalise(); + + return 0; +} + +bool CDMR2M17::createMMDVM() +{ + std::string rptAddress = m_conf.getDMRRptAddress(); + unsigned int rptPort = m_conf.getDMRRptPort(); + std::string localAddress = m_conf.getDMRLocalAddress(); + unsigned int localPort = m_conf.getDMRLocalPort(); + bool debug = m_conf.getDMRDebug(); + + LogInfo("MMDVM Network Parameters"); + LogInfo(" Rpt Address: %s", rptAddress.c_str()); + LogInfo(" Rpt Port: %u", rptPort); + LogInfo(" Local Address: %s", localAddress.c_str()); + LogInfo(" Local Port: %u", localPort); + + m_dmrNetwork = new CMMDVMNetwork(rptAddress, rptPort, localAddress, localPort, debug); + + bool ret = m_dmrNetwork->open(); + if (!ret) { + delete m_dmrNetwork; + m_dmrNetwork = NULL; + return false; + } + + return true; +} diff --git a/DMR2M17/DMR2M17.h b/DMR2M17/DMR2M17.h new file mode 100644 index 0000000..5aef33e --- /dev/null +++ b/DMR2M17/DMR2M17.h @@ -0,0 +1,84 @@ +/* +* Copyright (C) 2016 by Jonathan Naylor G4KLX +* Copyright (C) 2018 by Andy Uribe CA6JAU +* Copyright (C) 2020 by Doug McLain AD8DP +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#if !defined(DMR2M17_H) +#define DMR2M17_H + +#include "DMRDefines.h" +#include "ModeConv.h" +#include "MMDVMNetwork.h" +#include "DMREmbeddedData.h" +#include "DMRLC.h" +#include "DMRFullLC.h" +#include "DMREMB.h" +#include "DMRLookup.h" +#include "M17Network.h" +#include "UDPSocket.h" +#include "StopWatch.h" +#include "Version.h" +#include "Thread.h" +#include "Timer.h" +#include "Sync.h" +#include "Utils.h" +#include "Conf.h" +#include "Log.h" +#include "CRC.h" + +#include + +class CDMR2M17 +{ +public: + CDMR2M17(const std::string& configFile); + ~CDMR2M17(); + + int run(); + +private: + std::string m_callsign; + std::string m_m17Ref; + CConf m_conf; + CMMDVMNetwork* m_dmrNetwork; + CM17Network* m_m17Network; + CDMRLookup* m_dmrlookup; + CModeConv m_conv; + unsigned int m_colorcode; + unsigned int m_dstid; + unsigned int m_dmrSrc; + unsigned int m_dmrDst; + unsigned char m_dmrLastDT; + unsigned char* m_dmrFrame; + unsigned int m_dmrFrames; + std::string m_m17Src; + std::string m_m17Dst; + unsigned char* m_m17Frame; + unsigned int m_m17Frames; + CDMREmbeddedData m_EmbeddedLC; + FLCO m_dmrflco; + bool m_dmrinfo; + unsigned char* m_config; + unsigned int m_configLen; + + unsigned int truncID(unsigned int id); + bool createMMDVM(); + +}; + +#endif diff --git a/DMR2M17/DMR2M17.ini b/DMR2M17/DMR2M17.ini new file mode 100644 index 0000000..5f08272 --- /dev/null +++ b/DMR2M17/DMR2M17.ini @@ -0,0 +1,29 @@ +[M17 Network] +Callsign=AD8DP D +LocalAddress=127.0.0.1 +LocalPort=32010 +DstAddress=192.168.1.8 +DstPort=17000 +GainAdjustdB=-26 +Daemon=0 +Debug=1 + +[DMR Network] +Id=3126482 +RptAddress=127.0.0.1 +RptPort=62032 +LocalAddress=127.0.0.4 +LocalPort=62037 +Debug=1 + +[DMR Id Lookup] +File=DMRIds.dat +Time=24 + +[Log] +# Logging levels, 0=No logging +DisplayLevel=1 +FileLevel=1 +FilePath=. +FileRoot=DMR2M17 + diff --git a/DMR2M17/DMRData.cpp b/DMR2M17/DMRData.cpp new file mode 100644 index 0000000..200b318 --- /dev/null +++ b/DMR2M17/DMRData.cpp @@ -0,0 +1,211 @@ +/* + * Copyright (C) 2015,2016,2017 Jonathan Naylor, G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "DMRData.h" +#include "DMRDefines.h" +#include "Utils.h" +#include "Log.h" + +#include +#include +#include + + +CDMRData::CDMRData(const CDMRData& data) : +m_slotNo(data.m_slotNo), +m_data(NULL), +m_srcId(data.m_srcId), +m_dstId(data.m_dstId), +m_flco(data.m_flco), +m_dataType(data.m_dataType), +m_seqNo(data.m_seqNo), +m_missing(data.m_missing), +m_n(data.m_n), +m_ber(data.m_ber), +m_rssi(data.m_rssi), +m_streamId(data.m_streamId) +{ + m_data = new unsigned char[2U * DMR_FRAME_LENGTH_BYTES]; + ::memcpy(m_data, data.m_data, 2U * DMR_FRAME_LENGTH_BYTES); +} + +CDMRData::CDMRData() : +m_slotNo(1U), +m_data(NULL), +m_srcId(0U), +m_dstId(0U), +m_flco(FLCO_GROUP), +m_dataType(0U), +m_seqNo(0U), +m_missing(false), +m_n(0U), +m_ber(0U), +m_rssi(0U), +m_streamId(0U) +{ + m_data = new unsigned char[2U * DMR_FRAME_LENGTH_BYTES]; +} + +CDMRData::~CDMRData() +{ + delete[] m_data; +} + +CDMRData& CDMRData::operator=(const CDMRData& data) +{ + if (this != &data) { + ::memcpy(m_data, data.m_data, DMR_FRAME_LENGTH_BYTES); + + m_slotNo = data.m_slotNo; + m_srcId = data.m_srcId; + m_dstId = data.m_dstId; + m_flco = data.m_flco; + m_dataType = data.m_dataType; + m_seqNo = data.m_seqNo; + m_missing = data.m_missing; + m_n = data.m_n; + m_ber = data.m_ber; + m_rssi = data.m_rssi; + m_streamId = data.m_streamId; + } + + return *this; +} + +unsigned int CDMRData::getSlotNo() const +{ + return m_slotNo; +} + +void CDMRData::setSlotNo(unsigned int slotNo) +{ + assert(slotNo == 1U || slotNo == 2U); + + m_slotNo = slotNo; +} + +unsigned char CDMRData::getDataType() const +{ + return m_dataType; +} + +void CDMRData::setDataType(unsigned char dataType) +{ + m_dataType = dataType; +} + +unsigned int CDMRData::getSrcId() const +{ + return m_srcId; +} + +void CDMRData::setSrcId(unsigned int id) +{ + m_srcId = id; +} + +unsigned int CDMRData::getDstId() const +{ + return m_dstId; +} + +void CDMRData::setDstId(unsigned int id) +{ + m_dstId = id; +} + +FLCO CDMRData::getFLCO() const +{ + return m_flco; +} + +void CDMRData::setFLCO(FLCO flco) +{ + m_flco = flco; +} + +unsigned char CDMRData::getSeqNo() const +{ + return m_seqNo; +} + +void CDMRData::setSeqNo(unsigned char seqNo) +{ + m_seqNo = seqNo; +} + +bool CDMRData::isMissing() const +{ + return m_missing; +} + +void CDMRData::setMissing(bool missing) +{ + m_missing = missing; +} + +unsigned char CDMRData::getN() const +{ + return m_n; +} + +void CDMRData::setN(unsigned char n) +{ + m_n = n; +} + +unsigned char CDMRData::getBER() const +{ + return m_ber; +} + +void CDMRData::setBER(unsigned char ber) +{ + m_ber = ber; +} + +unsigned char CDMRData::getRSSI() const +{ + return m_rssi; +} + +void CDMRData::setRSSI(unsigned char rssi) +{ + m_rssi = rssi; +} + +unsigned int CDMRData::getData(unsigned char* buffer) const +{ + assert(buffer != NULL); + + ::memcpy(buffer, m_data, DMR_FRAME_LENGTH_BYTES); + + return DMR_FRAME_LENGTH_BYTES; +} + +void CDMRData::setData(const unsigned char* buffer) +{ + assert(buffer != NULL); + + ::memcpy(m_data, buffer, DMR_FRAME_LENGTH_BYTES); +} + +unsigned int CDMRData::getStreamId() const +{ + return m_streamId; +} + +void CDMRData::setStreamId(unsigned int id) +{ + m_streamId = id; +} diff --git a/DMR2M17/DMRData.h b/DMR2M17/DMRData.h new file mode 100644 index 0000000..ed0ea55 --- /dev/null +++ b/DMR2M17/DMRData.h @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2015,2016,2017 by Jonathan Naylor, G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef DMRData_H +#define DMRData_H + +#include "DMRDefines.h" + +class CDMRData { +public: + CDMRData(const CDMRData& data); + CDMRData(); + ~CDMRData(); + + CDMRData& operator=(const CDMRData& data); + + unsigned int getSlotNo() const; + void setSlotNo(unsigned int slotNo); + + unsigned int getSrcId() const; + void setSrcId(unsigned int id); + + unsigned int getDstId() const; + void setDstId(unsigned int id); + + FLCO getFLCO() const; + void setFLCO(FLCO flco); + + unsigned char getN() const; + void setN(unsigned char n); + + unsigned char getSeqNo() const; + void setSeqNo(unsigned char seqNo); + + unsigned char getDataType() const; + void setDataType(unsigned char dataType); + + bool isMissing() const; + void setMissing(bool missing); + + unsigned char getBER() const; + void setBER(unsigned char ber); + + unsigned char getRSSI() const; + void setRSSI(unsigned char rssi); + + void setData(const unsigned char* buffer); + unsigned int getData(unsigned char* buffer) const; + + void setStreamId(unsigned int id); + unsigned int getStreamId() const; + +private: + unsigned int m_slotNo; + unsigned char* m_data; + unsigned int m_srcId; + unsigned int m_dstId; + FLCO m_flco; + unsigned char m_dataType; + unsigned char m_seqNo; + bool m_missing; + unsigned char m_n; + unsigned char m_ber; + unsigned char m_rssi; + unsigned int m_streamId; +}; + +#endif diff --git a/DMR2M17/DMRDefines.h b/DMR2M17/DMRDefines.h new file mode 100644 index 0000000..4cd7ae2 --- /dev/null +++ b/DMR2M17/DMRDefines.h @@ -0,0 +1,122 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(DMRDefines_H) +#define DMRDefines_H + +#include "Defines.h" // For TAG_DATA + +const unsigned int DMR_FRAME_LENGTH_BITS = 264U; +const unsigned int DMR_FRAME_LENGTH_BYTES = 33U; + +const unsigned int DMR_SYNC_LENGTH_BITS = 48U; +const unsigned int DMR_SYNC_LENGTH_BYTES = 6U; + +const unsigned int DMR_EMB_LENGTH_BITS = 8U; +const unsigned int DMR_EMB_LENGTH_BYTES = 1U; + +const unsigned int DMR_SLOT_TYPE_LENGTH_BITS = 8U; +const unsigned int DMR_SLOT_TYPE_LENGTH_BYTES = 1U; + +const unsigned int DMR_EMBEDDED_SIGNALLING_LENGTH_BITS = 32U; +const unsigned int DMR_EMBEDDED_SIGNALLING_LENGTH_BYTES = 4U; + +const unsigned int DMR_AMBE_LENGTH_BITS = 108U * 2U; +const unsigned int DMR_AMBE_LENGTH_BYTES = 27U; + +const unsigned char BS_SOURCED_AUDIO_SYNC[] = {0x07U, 0x55U, 0xFDU, 0x7DU, 0xF7U, 0x5FU, 0x70U}; +const unsigned char BS_SOURCED_DATA_SYNC[] = {0x0DU, 0xFFU, 0x57U, 0xD7U, 0x5DU, 0xF5U, 0xD0U}; + +const unsigned char MS_SOURCED_AUDIO_SYNC[] = {0x07U, 0xF7U, 0xD5U, 0xDDU, 0x57U, 0xDFU, 0xD0U}; +const unsigned char MS_SOURCED_DATA_SYNC[] = {0x0DU, 0x5DU, 0x7FU, 0x77U, 0xFDU, 0x75U, 0x70U}; + +const unsigned char DIRECT_SLOT1_AUDIO_SYNC[] = {0x05U, 0xD5U, 0x77U, 0xF7U, 0x75U, 0x7FU, 0xF0U}; +const unsigned char DIRECT_SLOT1_DATA_SYNC[] = {0x0FU, 0x7FU, 0xDDU, 0x5DU, 0xDFU, 0xD5U, 0x50U}; + +const unsigned char DIRECT_SLOT2_AUDIO_SYNC[] = {0x07U, 0xDFU, 0xFDU, 0x5FU, 0x55U, 0xD5U, 0xF0U}; +const unsigned char DIRECT_SLOT2_DATA_SYNC[] = {0x0DU, 0x75U, 0x57U, 0xF5U, 0xFFU, 0x7FU, 0x50U}; + +const unsigned char SYNC_MASK[] = {0x0FU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xF0U}; + +// The PR FILL and Data Sync pattern. +const unsigned char DMR_IDLE_DATA[] = {TAG_DATA, 0x00U, + 0x53U, 0xC2U, 0x5EU, 0xABU, 0xA8U, 0x67U, 0x1DU, 0xC7U, 0x38U, 0x3BU, 0xD9U, + 0x36U, 0x00U, 0x0DU, 0xFFU, 0x57U, 0xD7U, 0x5DU, 0xF5U, 0xD0U, 0x03U, 0xF6U, + 0xE4U, 0x65U, 0x17U, 0x1BU, 0x48U, 0xCAU, 0x6DU, 0x4FU, 0xC6U, 0x10U, 0xB4U}; + +// A silence frame only +const unsigned char DMR_SILENCE_DATA[] = {0xB9U, 0xE8U, 0x81U, 0x52U, 0x61U, 0x73U, 0x00U, 0x2AU, 0x6BU, 0xB9U, 0xE8U, + 0x81U, 0x52U, 0x60U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x01U, 0x73U, 0x00U, + 0x2AU, 0x6BU, 0xB9U, 0xE8U, 0x81U, 0x52U, 0x61U, 0x73U, 0x00U, 0x2AU, 0x6BU}; + +const unsigned char PAYLOAD_LEFT_MASK[] = {0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xF0U}; +const unsigned char PAYLOAD_RIGHT_MASK[] = {0x0FU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU}; + +const unsigned char VOICE_LC_HEADER_CRC_MASK[] = {0x96U, 0x96U, 0x96U}; +const unsigned char TERMINATOR_WITH_LC_CRC_MASK[] = {0x99U, 0x99U, 0x99U}; +const unsigned char PI_HEADER_CRC_MASK[] = {0x69U, 0x69U}; +const unsigned char DATA_HEADER_CRC_MASK[] = {0xCCU, 0xCCU}; +const unsigned char CSBK_CRC_MASK[] = {0xA5U, 0xA5U}; + +const unsigned int DMR_SLOT_TIME = 60U; +const unsigned int AMBE_PER_SLOT = 3U; + +const unsigned char DT_MASK = 0x0FU; +const unsigned char DT_VOICE_PI_HEADER = 0x00U; +const unsigned char DT_VOICE_LC_HEADER = 0x01U; +const unsigned char DT_TERMINATOR_WITH_LC = 0x02U; +const unsigned char DT_CSBK = 0x03U; +const unsigned char DT_DATA_HEADER = 0x06U; +const unsigned char DT_RATE_12_DATA = 0x07U; +const unsigned char DT_RATE_34_DATA = 0x08U; +const unsigned char DT_IDLE = 0x09U; +const unsigned char DT_RATE_1_DATA = 0x0AU; + +// Dummy values +const unsigned char DT_VOICE_SYNC = 0xF0U; +const unsigned char DT_VOICE = 0xF1U; + +const unsigned char DMR_IDLE_RX = 0x80U; +const unsigned char DMR_SYNC_DATA = 0x40U; +const unsigned char DMR_SYNC_AUDIO = 0x20U; + +const unsigned char DMR_SLOT1 = 0x00U; +const unsigned char DMR_SLOT2 = 0x80U; + +const unsigned char DPF_UDT = 0x00U; +const unsigned char DPF_RESPONSE = 0x01U; +const unsigned char DPF_UNCONFIRMED_DATA = 0x02U; +const unsigned char DPF_CONFIRMED_DATA = 0x03U; +const unsigned char DPF_DEFINED_SHORT = 0x0DU; +const unsigned char DPF_DEFINED_RAW = 0x0EU; +const unsigned char DPF_PROPRIETARY = 0x0FU; + +const unsigned char FID_ETSI = 0U; +const unsigned char FID_DMRA = 16U; + +enum FLCO { + FLCO_GROUP = 0, + FLCO_USER_USER = 3, + FLCO_TALKER_ALIAS_HEADER = 4, + FLCO_TALKER_ALIAS_BLOCK1 = 5, + FLCO_TALKER_ALIAS_BLOCK2 = 6, + FLCO_TALKER_ALIAS_BLOCK3 = 7, + FLCO_GPS_INFO = 8 +}; + +#endif diff --git a/DMR2M17/DMREMB.cpp b/DMR2M17/DMREMB.cpp new file mode 100644 index 0000000..f60c7be --- /dev/null +++ b/DMR2M17/DMREMB.cpp @@ -0,0 +1,100 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "DMREMB.h" + +#include "QR1676.h" + +#include +#include + +CDMREMB::CDMREMB() : +m_colorCode(0U), +m_PI(false), +m_LCSS(0U) +{ +} + +CDMREMB::~CDMREMB() +{ +} + +void CDMREMB::putData(const unsigned char* data) +{ + assert(data != NULL); + + unsigned char DMREMB[2U]; + DMREMB[0U] = (data[13U] << 4) & 0xF0U; + DMREMB[0U] |= (data[14U] >> 4) & 0x0FU; + DMREMB[1U] = (data[18U] << 4) & 0xF0U; + DMREMB[1U] |= (data[19U] >> 4) & 0x0FU; + + CQR1676::decode(DMREMB); + + m_colorCode = (DMREMB[0U] >> 4) & 0x0FU; + m_PI = (DMREMB[0U] & 0x08U) == 0x08U; + m_LCSS = (DMREMB[0U] >> 1) & 0x03U; +} + +void CDMREMB::getData(unsigned char* data) const +{ + assert(data != NULL); + + unsigned char DMREMB[2U]; + DMREMB[0U] = (m_colorCode << 4) & 0xF0U; + DMREMB[0U] |= m_PI ? 0x08U : 0x00U; + DMREMB[0U] |= (m_LCSS << 1) & 0x06U; + DMREMB[1U] = 0x00U; + + CQR1676::encode(DMREMB); + + data[13U] = (data[13U] & 0xF0U) | ((DMREMB[0U] >> 4U) & 0x0FU); + data[14U] = (data[14U] & 0x0FU) | ((DMREMB[0U] << 4U) & 0xF0U); + data[18U] = (data[18U] & 0xF0U) | ((DMREMB[1U] >> 4U) & 0x0FU); + data[19U] = (data[19U] & 0x0FU) | ((DMREMB[1U] << 4U) & 0xF0U); +} + +unsigned char CDMREMB::getColorCode() const +{ + return m_colorCode; +} + +void CDMREMB::setColorCode(unsigned char code) +{ + m_colorCode = code; +} + +bool CDMREMB::getPI() const +{ + return m_PI; +} + +void CDMREMB::setPI(bool pi) +{ + m_PI = pi; +} + +unsigned char CDMREMB::getLCSS() const +{ + return m_LCSS; +} + +void CDMREMB::setLCSS(unsigned char lcss) +{ + m_LCSS = lcss; +} diff --git a/DMR2M17/DMREMB.h b/DMR2M17/DMREMB.h new file mode 100644 index 0000000..517be1e --- /dev/null +++ b/DMR2M17/DMREMB.h @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(DMREMB_H) +#define DMREMB_H + +class CDMREMB +{ +public: + CDMREMB(); + ~CDMREMB(); + + void putData(const unsigned char* data); + void getData(unsigned char* data) const; + + unsigned char getColorCode() const; + void setColorCode(unsigned char code); + + bool getPI() const; + void setPI(bool pi); + + unsigned char getLCSS() const; + void setLCSS(unsigned char lcss); + +private: + unsigned char m_colorCode; + bool m_PI; + unsigned char m_LCSS; +}; + +#endif diff --git a/DMR2M17/DMREmbeddedData.cpp b/DMR2M17/DMREmbeddedData.cpp new file mode 100644 index 0000000..a5a3e42 --- /dev/null +++ b/DMR2M17/DMREmbeddedData.cpp @@ -0,0 +1,322 @@ +/* + * Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "DMREmbeddedData.h" + +#include "Hamming.h" +#include "Utils.h" +#include "CRC.h" + +#include +#include +#include + +CDMREmbeddedData::CDMREmbeddedData() : +m_raw(NULL), +m_state(LCS_NONE), +m_data(NULL), +m_FLCO(FLCO_GROUP), +m_valid(false) +{ + m_raw = new bool[128U]; + m_data = new bool[72U]; +} + +CDMREmbeddedData::~CDMREmbeddedData() +{ + delete[] m_raw; + delete[] m_data; +} + +// Add LC data (which may consist of 4 blocks) to the data store +bool CDMREmbeddedData::addData(const unsigned char* data, unsigned char lcss) +{ + assert(data != NULL); + + bool rawData[40U]; + CUtils::byteToBitsBE(data[14U], rawData + 0U); + CUtils::byteToBitsBE(data[15U], rawData + 8U); + CUtils::byteToBitsBE(data[16U], rawData + 16U); + CUtils::byteToBitsBE(data[17U], rawData + 24U); + CUtils::byteToBitsBE(data[18U], rawData + 32U); + + // Is this the first block of a 4 block embedded LC ? + if (lcss == 1U) { + for (unsigned int a = 0U; a < 32U; a++) + m_raw[a] = rawData[a + 4U]; + + // Show we are ready for the next LC block + m_state = LCS_FIRST; + m_valid = false; + + return false; + } + + // Is this the 2nd block of a 4 block embedded LC ? + if (lcss == 3U && m_state == LCS_FIRST) { + for (unsigned int a = 0U; a < 32U; a++) + m_raw[a + 32U] = rawData[a + 4U]; + + // Show we are ready for the next LC block + m_state = LCS_SECOND; + + return false; + } + + // Is this the 3rd block of a 4 block embedded LC ? + if (lcss == 3U && m_state == LCS_SECOND) { + for (unsigned int a = 0U; a < 32U; a++) + m_raw[a + 64U] = rawData[a + 4U]; + + // Show we are ready for the final LC block + m_state = LCS_THIRD; + + return false; + } + + // Is this the final block of a 4 block embedded LC ? + if (lcss == 2U && m_state == LCS_THIRD) { + for (unsigned int a = 0U; a < 32U; a++) + m_raw[a + 96U] = rawData[a + 4U]; + + // Show that we're not ready for any more data + m_state = LCS_NONE; + + // Process the complete data block + decodeEmbeddedData(); + if (m_valid) + encodeEmbeddedData(); + + return m_valid; + } + + return false; +} + +void CDMREmbeddedData::setLC(const CDMRLC& lc) +{ + lc.getData(m_data); + + m_FLCO = lc.getFLCO(); + m_valid = true; + + encodeEmbeddedData(); +} + +void CDMREmbeddedData::encodeEmbeddedData() +{ + unsigned int crc; + CCRC::encodeFiveBit(m_data, crc); + + bool data[128U]; + ::memset(data, 0x00U, 128U * sizeof(bool)); + + data[106U] = (crc & 0x01U) == 0x01U; + data[90U] = (crc & 0x02U) == 0x02U; + data[74U] = (crc & 0x04U) == 0x04U; + data[58U] = (crc & 0x08U) == 0x08U; + data[42U] = (crc & 0x10U) == 0x10U; + + unsigned int b = 0U; + for (unsigned int a = 0U; a < 11U; a++, b++) + data[a] = m_data[b]; + for (unsigned int a = 16U; a < 27U; a++, b++) + data[a] = m_data[b]; + for (unsigned int a = 32U; a < 42U; a++, b++) + data[a] = m_data[b]; + for (unsigned int a = 48U; a < 58U; a++, b++) + data[a] = m_data[b]; + for (unsigned int a = 64U; a < 74U; a++, b++) + data[a] = m_data[b]; + for (unsigned int a = 80U; a < 90U; a++, b++) + data[a] = m_data[b]; + for (unsigned int a = 96U; a < 106U; a++, b++) + data[a] = m_data[b]; + + // Hamming (16,11,4) check each row except the last one + for (unsigned int a = 0U; a < 112U; a += 16U) + CHamming::encode16114(data + a); + + // Add the parity bits for each column + for (unsigned int a = 0U; a < 16U; a++) + data[a + 112U] = data[a + 0U] ^ data[a + 16U] ^ data[a + 32U] ^ data[a + 48U] ^ data[a + 64U] ^ data[a + 80U] ^ data[a + 96U]; + + // The data is packed downwards in columns + b = 0U; + for (unsigned int a = 0U; a < 128U; a++) { + m_raw[a] = data[b]; + b += 16U; + if (b > 127U) + b -= 127U; + } +} + +unsigned char CDMREmbeddedData::getData(unsigned char* data, unsigned char n) const +{ + assert(data != NULL); + + if (n >= 1U && n < 5U) { + n--; + + bool bits[40U]; + ::memset(bits, 0x00U, 40U * sizeof(bool)); + ::memcpy(bits + 4U, m_raw + n * 32U, 32U * sizeof(bool)); + + unsigned char bytes[5U]; + CUtils::bitsToByteBE(bits + 0U, bytes[0U]); + CUtils::bitsToByteBE(bits + 8U, bytes[1U]); + CUtils::bitsToByteBE(bits + 16U, bytes[2U]); + CUtils::bitsToByteBE(bits + 24U, bytes[3U]); + CUtils::bitsToByteBE(bits + 32U, bytes[4U]); + + data[14U] = (data[14U] & 0xF0U) | (bytes[0U] & 0x0FU); + data[15U] = bytes[1U]; + data[16U] = bytes[2U]; + data[17U] = bytes[3U]; + data[18U] = (data[18U] & 0x0FU) | (bytes[4U] & 0xF0U); + + switch (n) { + case 0U: + return 1U; + case 3U: + return 2U; + default: + return 3U; + } + } else { + data[14U] &= 0xF0U; + data[15U] = 0x00U; + data[16U] = 0x00U; + data[17U] = 0x00U; + data[18U] &= 0x0FU; + + return 0U; + } +} + +// Unpack and error check an embedded LC +void CDMREmbeddedData::decodeEmbeddedData() +{ + // The data is unpacked downwards in columns + bool data[128U]; + ::memset(data, 0x00U, 128U * sizeof(bool)); + + unsigned int b = 0U; + for (unsigned int a = 0U; a < 128U; a++) { + data[b] = m_raw[a]; + b += 16U; + if (b > 127U) + b -= 127U; + } + + // Hamming (16,11,4) check each row except the last one + for (unsigned int a = 0U; a < 112U; a += 16U) { + if (!CHamming::decode16114(data + a)) + return; + } + + // Check the parity bits + for (unsigned int a = 0U; a < 16U; a++) { + bool parity = data[a + 0U] ^ data[a + 16U] ^ data[a + 32U] ^ data[a + 48U] ^ data[a + 64U] ^ data[a + 80U] ^ data[a + 96U] ^ data[a + 112U]; + if (parity) + return; + } + + // We have passed the Hamming check so extract the actual payload + b = 0U; + for (unsigned int a = 0U; a < 11U; a++, b++) + m_data[b] = data[a]; + for (unsigned int a = 16U; a < 27U; a++, b++) + m_data[b] = data[a]; + for (unsigned int a = 32U; a < 42U; a++, b++) + m_data[b] = data[a]; + for (unsigned int a = 48U; a < 58U; a++, b++) + m_data[b] = data[a]; + for (unsigned int a = 64U; a < 74U; a++, b++) + m_data[b] = data[a]; + for (unsigned int a = 80U; a < 90U; a++, b++) + m_data[b] = data[a]; + for (unsigned int a = 96U; a < 106U; a++, b++) + m_data[b] = data[a]; + + // Extract the 5 bit CRC + unsigned int crc = 0U; + if (data[42]) crc += 16U; + if (data[58]) crc += 8U; + if (data[74]) crc += 4U; + if (data[90]) crc += 2U; + if (data[106]) crc += 1U; + + // Now CRC check this + if (!CCRC::checkFiveBit(m_data, crc)) + return; + + m_valid = true; + + // Extract the FLCO + unsigned char flco; + CUtils::bitsToByteBE(m_data + 0U, flco); + m_FLCO = FLCO(flco & 0x3FU); +} + +CDMRLC* CDMREmbeddedData::getLC() const +{ + if (!m_valid) + return NULL; + + if (m_FLCO != FLCO_GROUP && m_FLCO != FLCO_USER_USER) + return NULL; + + return new CDMRLC(m_data); +} + +bool CDMREmbeddedData::isValid() const +{ + return m_valid; +} + +FLCO CDMREmbeddedData::getFLCO() const +{ + return m_FLCO; +} + +void CDMREmbeddedData::reset() +{ + m_state = LCS_NONE; + m_valid = false; +} + +bool CDMREmbeddedData::getRawData(unsigned char* data) const +{ + assert(data != NULL); + + if (!m_valid) + return false; + + CUtils::bitsToByteBE(m_data + 0U, data[0U]); + CUtils::bitsToByteBE(m_data + 8U, data[1U]); + CUtils::bitsToByteBE(m_data + 16U, data[2U]); + CUtils::bitsToByteBE(m_data + 24U, data[3U]); + CUtils::bitsToByteBE(m_data + 32U, data[4U]); + CUtils::bitsToByteBE(m_data + 40U, data[5U]); + CUtils::bitsToByteBE(m_data + 48U, data[6U]); + CUtils::bitsToByteBE(m_data + 56U, data[7U]); + CUtils::bitsToByteBE(m_data + 64U, data[8U]); + + return true; +} diff --git a/DMR2M17/DMREmbeddedData.h b/DMR2M17/DMREmbeddedData.h new file mode 100644 index 0000000..7222dcd --- /dev/null +++ b/DMR2M17/DMREmbeddedData.h @@ -0,0 +1,63 @@ +/* + * Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef DMREmbeddedData_H +#define DMREmbeddedData_H + +#include "DMRDefines.h" +#include "DMRLC.h" + +enum LC_STATE { + LCS_NONE, + LCS_FIRST, + LCS_SECOND, + LCS_THIRD +}; + +class CDMREmbeddedData +{ +public: + CDMREmbeddedData(); + ~CDMREmbeddedData(); + + bool addData(const unsigned char* data, unsigned char lcss); + + CDMRLC* getLC() const; + void setLC(const CDMRLC& lc); + + unsigned char getData(unsigned char* data, unsigned char n) const; + + bool getRawData(unsigned char* data) const; + + bool isValid() const; + FLCO getFLCO() const; + + void reset(); + +private: + bool* m_raw; + LC_STATE m_state; + bool* m_data; + FLCO m_FLCO; + bool m_valid; + + void decodeEmbeddedData(); + void encodeEmbeddedData(); +}; + +#endif diff --git a/DMR2M17/DMRFullLC.cpp b/DMR2M17/DMRFullLC.cpp new file mode 100644 index 0000000..dbcd6cc --- /dev/null +++ b/DMR2M17/DMRFullLC.cpp @@ -0,0 +1,99 @@ +/* + * Copyright (C) 2012 by Ian Wraith + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "DMRFullLC.h" + +#include "DMRDefines.h" +#include "RS129.h" +#include "Utils.h" +#include "Log.h" + +#include +#include + +CDMRFullLC::CDMRFullLC() : +m_bptc() +{ +} + +CDMRFullLC::~CDMRFullLC() +{ +} + +CDMRLC* CDMRFullLC::decode(const unsigned char* data, unsigned char type) +{ + assert(data != NULL); + + unsigned char lcData[12U]; + m_bptc.decode(data, lcData); + + switch (type) { + case DT_VOICE_LC_HEADER: + lcData[9U] ^= VOICE_LC_HEADER_CRC_MASK[0U]; + lcData[10U] ^= VOICE_LC_HEADER_CRC_MASK[1U]; + lcData[11U] ^= VOICE_LC_HEADER_CRC_MASK[2U]; + break; + + case DT_TERMINATOR_WITH_LC: + lcData[9U] ^= TERMINATOR_WITH_LC_CRC_MASK[0U]; + lcData[10U] ^= TERMINATOR_WITH_LC_CRC_MASK[1U]; + lcData[11U] ^= TERMINATOR_WITH_LC_CRC_MASK[2U]; + break; + + default: + ::LogError("Unsupported LC type - %d", int(type)); + return NULL; + } + + if (!CRS129::check(lcData)) + return NULL; + + return new CDMRLC(lcData); +} + +void CDMRFullLC::encode(const CDMRLC& lc, unsigned char* data, unsigned char type) +{ + assert(data != NULL); + + unsigned char lcData[12U]; + lc.getData(lcData); + + unsigned char parity[4U]; + CRS129::encode(lcData, 9U, parity); + + switch (type) { + case DT_VOICE_LC_HEADER: + lcData[9U] = parity[2U] ^ VOICE_LC_HEADER_CRC_MASK[0U]; + lcData[10U] = parity[1U] ^ VOICE_LC_HEADER_CRC_MASK[1U]; + lcData[11U] = parity[0U] ^ VOICE_LC_HEADER_CRC_MASK[2U]; + break; + + case DT_TERMINATOR_WITH_LC: + lcData[9U] = parity[2U] ^ TERMINATOR_WITH_LC_CRC_MASK[0U]; + lcData[10U] = parity[1U] ^ TERMINATOR_WITH_LC_CRC_MASK[1U]; + lcData[11U] = parity[0U] ^ TERMINATOR_WITH_LC_CRC_MASK[2U]; + break; + + default: + ::LogError("Unsupported LC type - %d", int(type)); + return; + } + + m_bptc.encode(lcData, data); +} diff --git a/DMR2M17/DMRFullLC.h b/DMR2M17/DMRFullLC.h new file mode 100644 index 0000000..d3294ef --- /dev/null +++ b/DMR2M17/DMRFullLC.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef DMRFullLC_H +#define DMRFullLC_H + +#include "DMRLC.h" +#include "DMRSlotType.h" + +#include "BPTC19696.h" + +class CDMRFullLC +{ +public: + CDMRFullLC(); + ~CDMRFullLC(); + + CDMRLC* decode(const unsigned char* data, unsigned char type); + + void encode(const CDMRLC& lc, unsigned char* data, unsigned char type); + +private: + CBPTC19696 m_bptc; +}; + +#endif + diff --git a/DMR2M17/DMRLC.cpp b/DMR2M17/DMRLC.cpp new file mode 100644 index 0000000..8dd897b --- /dev/null +++ b/DMR2M17/DMRLC.cpp @@ -0,0 +1,205 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "DMRLC.h" + +#include "Utils.h" + +#include +#include + +CDMRLC::CDMRLC(FLCO flco, unsigned int srcId, unsigned int dstId) : +m_PF(false), +m_R(false), +m_FLCO(flco), +m_FID(0U), +m_options(0U), +m_srcId(srcId), +m_dstId(dstId) +{ +} + +CDMRLC::CDMRLC(const unsigned char* bytes) : +m_PF(false), +m_R(false), +m_FLCO(FLCO_GROUP), +m_FID(0U), +m_options(0U), +m_srcId(0U), +m_dstId(0U) +{ + assert(bytes != NULL); + + m_PF = (bytes[0U] & 0x80U) == 0x80U; + m_R = (bytes[0U] & 0x40U) == 0x40U; + + m_FLCO = FLCO(bytes[0U] & 0x3FU); + + m_FID = bytes[1U]; + + m_options = bytes[2U]; + + m_dstId = bytes[3U] << 16 | bytes[4U] << 8 | bytes[5U]; + m_srcId = bytes[6U] << 16 | bytes[7U] << 8 | bytes[8U]; +} + +CDMRLC::CDMRLC(const bool* bits) : +m_PF(false), +m_R(false), +m_FLCO(FLCO_GROUP), +m_FID(0U), +m_options(0U), +m_srcId(0U), +m_dstId(0U) +{ + assert(bits != NULL); + + m_PF = bits[0U]; + m_R = bits[1U]; + + unsigned char temp1, temp2, temp3; + CUtils::bitsToByteBE(bits + 0U, temp1); + m_FLCO = FLCO(temp1 & 0x3FU); + + CUtils::bitsToByteBE(bits + 8U, temp2); + m_FID = temp2; + + CUtils::bitsToByteBE(bits + 16U, temp3); + m_options = temp3; + + unsigned char d1, d2, d3; + CUtils::bitsToByteBE(bits + 24U, d1); + CUtils::bitsToByteBE(bits + 32U, d2); + CUtils::bitsToByteBE(bits + 40U, d3); + + unsigned char s1, s2, s3; + CUtils::bitsToByteBE(bits + 48U, s1); + CUtils::bitsToByteBE(bits + 56U, s2); + CUtils::bitsToByteBE(bits + 64U, s3); + + m_srcId = s1 << 16 | s2 << 8 | s3; + m_dstId = d1 << 16 | d2 << 8 | d3; +} + +CDMRLC::CDMRLC() : +m_PF(false), +m_R(false), +m_FLCO(FLCO_GROUP), +m_FID(0U), +m_options(0U), +m_srcId(0U), +m_dstId(0U) +{ +} + +CDMRLC::~CDMRLC() +{ +} + +void CDMRLC::getData(unsigned char* bytes) const +{ + assert(bytes != NULL); + + bytes[0U] = (unsigned char)m_FLCO; + + if (m_PF) + bytes[0U] |= 0x80U; + + if (m_R) + bytes[0U] |= 0x40U; + + bytes[1U] = m_FID; + + bytes[2U] = m_options; + + bytes[3U] = m_dstId >> 16; + bytes[4U] = m_dstId >> 8; + bytes[5U] = m_dstId >> 0; + + bytes[6U] = m_srcId >> 16; + bytes[7U] = m_srcId >> 8; + bytes[8U] = m_srcId >> 0; +} + +void CDMRLC::getData(bool* bits) const +{ + assert(bits != NULL); + + unsigned char bytes[9U]; + getData(bytes); + + CUtils::byteToBitsBE(bytes[0U], bits + 0U); + CUtils::byteToBitsBE(bytes[1U], bits + 8U); + CUtils::byteToBitsBE(bytes[2U], bits + 16U); + CUtils::byteToBitsBE(bytes[3U], bits + 24U); + CUtils::byteToBitsBE(bytes[4U], bits + 32U); + CUtils::byteToBitsBE(bytes[5U], bits + 40U); + CUtils::byteToBitsBE(bytes[6U], bits + 48U); + CUtils::byteToBitsBE(bytes[7U], bits + 56U); + CUtils::byteToBitsBE(bytes[8U], bits + 64U); +} + +bool CDMRLC::getPF() const +{ + return m_PF; +} + +void CDMRLC::setPF(bool pf) +{ + m_PF = pf; +} + +FLCO CDMRLC::getFLCO() const +{ + return m_FLCO; +} + +void CDMRLC::setFLCO(FLCO flco) +{ + m_FLCO = flco; +} + +unsigned char CDMRLC::getFID() const +{ + return m_FID; +} + +void CDMRLC::setFID(unsigned char fid) +{ + m_FID = fid; +} + +unsigned int CDMRLC::getSrcId() const +{ + return m_srcId; +} + +void CDMRLC::setSrcId(unsigned int id) +{ + m_srcId = id; +} + +unsigned int CDMRLC::getDstId() const +{ + return m_dstId; +} + +void CDMRLC::setDstId(unsigned int id) +{ + m_dstId = id; +} diff --git a/DMR2M17/DMRLC.h b/DMR2M17/DMRLC.h new file mode 100644 index 0000000..9f3a464 --- /dev/null +++ b/DMR2M17/DMRLC.h @@ -0,0 +1,62 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(DMRLC_H) +#define DMRLC_H + +#include "DMRDefines.h" + +class CDMRLC +{ +public: + CDMRLC(FLCO flco, unsigned int srcId, unsigned int dstId); + CDMRLC(const unsigned char* bytes); + CDMRLC(const bool* bits); + CDMRLC(); + ~CDMRLC(); + + void getData(unsigned char* bytes) const; + void getData(bool* bits) const; + + bool getPF() const; + void setPF(bool pf); + + FLCO getFLCO() const; + void setFLCO(FLCO flco); + + unsigned char getFID() const; + void setFID(unsigned char fid); + + unsigned int getSrcId() const; + void setSrcId(unsigned int id); + + unsigned int getDstId() const; + void setDstId(unsigned int id); + +private: + bool m_PF; + bool m_R; + FLCO m_FLCO; + unsigned char m_FID; + unsigned char m_options; + unsigned int m_srcId; + unsigned int m_dstId; +}; + +#endif + diff --git a/DMR2M17/DMRLookup.cpp b/DMR2M17/DMRLookup.cpp new file mode 100644 index 0000000..f8e48e4 --- /dev/null +++ b/DMR2M17/DMRLookup.cpp @@ -0,0 +1,179 @@ +/* +* Copyright (C) 2016,2017 by Jonathan Naylor G4KLX +* Copyright (C) 2018 by Andy Uribe CA6JAU +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "DMRLookup.h" +#include "Timer.h" +#include "Log.h" + +#include +#include +#include +#include + +CDMRLookup::CDMRLookup(const std::string& filename, unsigned int reloadTime) : +CThread(), +m_filename(filename), +m_reloadTime(reloadTime), +m_table(), +m_cstable(), +m_mutex(), +m_stop(false) +{ +} + +CDMRLookup::~CDMRLookup() +{ +} + +bool CDMRLookup::read() +{ + bool ret = load(); + + if (m_reloadTime > 0U) + run(); + + return ret; +} + +void CDMRLookup::entry() +{ + LogInfo("Started the DMR Id lookup reload thread"); + + CTimer timer(1U, 3600U * m_reloadTime); + timer.start(); + + while (!m_stop) { + sleep(1000U); + + timer.clock(); + if (timer.hasExpired()) { + load(); + timer.start(); + } + } + + LogInfo("Stopped the DMR Id lookup reload thread"); +} + +void CDMRLookup::stop() +{ + if (m_reloadTime == 0U) { + delete this; + return; + } + + m_stop = true; + + wait(); +} + +std::string CDMRLookup::findCS(unsigned int id) +{ + std::string callsign; + + if (id == 0xFFFFFFU) + return std::string("ALL"); + + m_mutex.lock(); + + try { + callsign = m_table.at(id); + } catch (...) { + char text[10U]; + ::sprintf(text, "%u", id); + callsign = std::string(text); + } + + m_mutex.unlock(); + + return callsign; +} + +unsigned int CDMRLookup::findID(std::string cs) +{ + unsigned int dmrID; + + m_mutex.lock(); + + try { + dmrID = m_cstable.at(cs); + } catch (...) { + dmrID = 0U; + } + + m_mutex.unlock(); + + return dmrID; +} + +bool CDMRLookup::exists(unsigned int id) +{ + m_mutex.lock(); + + bool found = m_table.count(id) == 1U; + + m_mutex.unlock(); + + return found; +} + +bool CDMRLookup::load() +{ + FILE* fp = ::fopen(m_filename.c_str(), "rt"); + if (fp == NULL) { + LogWarning("Cannot open the DMR Id lookup file - %s", m_filename.c_str()); + return false; + } + + m_mutex.lock(); + + // Remove the old entries + m_table.clear(); + m_cstable.clear(); + + char buffer[100U]; + while (::fgets(buffer, 100U, fp) != NULL) { + if (buffer[0U] == '#') + continue; + + char* p1 = ::strtok(buffer, " \t\r\n"); + char* p2 = ::strtok(NULL, " \t\r\n"); + + if (p1 != NULL && p2 != NULL) { + unsigned int id = (unsigned int)::atoi(p1); + for (char* p = p2; *p != 0x00U; p++) + *p = ::toupper(*p); + + m_table[id] = std::string(p2); + m_cstable[p2] = id; + } + } + + m_mutex.unlock(); + + ::fclose(fp); + + size_t size = m_table.size(); + if (size == 0U) + return false; + + LogInfo("Loaded %u Ids to the DMR callsign lookup table", size); + + return true; +} \ No newline at end of file diff --git a/DMR2M17/DMRLookup.h b/DMR2M17/DMRLookup.h new file mode 100644 index 0000000..1bcbfae --- /dev/null +++ b/DMR2M17/DMRLookup.h @@ -0,0 +1,56 @@ +/* +* Copyright (C) 2016,2017 by Jonathan Naylor G4KLX +* Copyright (C) 2018 by Andy Uribe CA6JAU +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef DMRLookup_H +#define DMRLookup_H + +#include "Thread.h" +#include "Mutex.h" + +#include +#include + +class CDMRLookup : public CThread { +public: + CDMRLookup(const std::string& filename, unsigned int reloadTime); + virtual ~CDMRLookup(); + + bool read(); + + virtual void entry(); + + std::string findCS(unsigned int id); + unsigned int findID(std::string cs); + + bool exists(unsigned int id); + + void stop(); + +private: + std::string m_filename; + unsigned int m_reloadTime; + std::unordered_map m_table; + std::unordered_map m_cstable; + CMutex m_mutex; + bool m_stop; + + bool load(); +}; + +#endif diff --git a/DMR2M17/DMRSlotType.cpp b/DMR2M17/DMRSlotType.cpp new file mode 100644 index 0000000..d855303 --- /dev/null +++ b/DMR2M17/DMRSlotType.cpp @@ -0,0 +1,92 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "DMRSlotType.h" + +#include "Golay2087.h" + +#include +#include + +CDMRSlotType::CDMRSlotType() : +m_colorCode(0U), +m_dataType(0U) +{ +} + +CDMRSlotType::~CDMRSlotType() +{ +} + +void CDMRSlotType::putData(const unsigned char* data) +{ + assert(data != NULL); + + unsigned char DMRSlotType[3U]; + DMRSlotType[0U] = (data[12U] << 2) & 0xFCU; + DMRSlotType[0U] |= (data[13U] >> 6) & 0x03U; + + DMRSlotType[1U] = (data[13U] << 2) & 0xC0U; + DMRSlotType[1U] |= (data[19U] << 2) & 0x3CU; + DMRSlotType[1U] |= (data[20U] >> 6) & 0x03U; + + DMRSlotType[2U] = (data[20U] << 2) & 0xF0U; + + unsigned char code = CGolay2087::decode(DMRSlotType); + + m_colorCode = (code >> 4) & 0x0FU; + m_dataType = (code >> 0) & 0x0FU; +} + +void CDMRSlotType::getData(unsigned char* data) const +{ + assert(data != NULL); + + unsigned char DMRSlotType[3U]; + DMRSlotType[0U] = (m_colorCode << 4) & 0xF0U; + DMRSlotType[0U] |= (m_dataType << 0) & 0x0FU; + DMRSlotType[1U] = 0x00U; + DMRSlotType[2U] = 0x00U; + + CGolay2087::encode(DMRSlotType); + + data[12U] = (data[12U] & 0xC0U) | ((DMRSlotType[0U] >> 2) & 0x3FU); + data[13U] = (data[13U] & 0x0FU) | ((DMRSlotType[0U] << 6) & 0xC0U) | ((DMRSlotType[1U] >> 2) & 0x30U); + data[19U] = (data[19U] & 0xF0U) | ((DMRSlotType[1U] >> 2) & 0x0FU); + data[20U] = (data[20U] & 0x03U) | ((DMRSlotType[1U] << 6) & 0xC0U) | ((DMRSlotType[2U] >> 2) & 0x3CU); +} + +unsigned char CDMRSlotType::getColorCode() const +{ + return m_colorCode; +} + +void CDMRSlotType::setColorCode(unsigned char code) +{ + m_colorCode = code; +} + +unsigned char CDMRSlotType::getDataType() const +{ + return m_dataType; +} + +void CDMRSlotType::setDataType(unsigned char type) +{ + m_dataType = type; +} diff --git a/DMR2M17/DMRSlotType.h b/DMR2M17/DMRSlotType.h new file mode 100644 index 0000000..e76821f --- /dev/null +++ b/DMR2M17/DMRSlotType.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(DMRSLOTTYPE_H) +#define DMRSLOTTYPE_H + +class CDMRSlotType +{ +public: + CDMRSlotType(); + ~CDMRSlotType(); + + void putData(const unsigned char* data); + void getData(unsigned char* data) const; + + unsigned char getColorCode() const; + void setColorCode(unsigned char code); + + unsigned char getDataType() const; + void setDataType(unsigned char type); + +private: + unsigned char m_colorCode; + unsigned char m_dataType; +}; + +#endif diff --git a/DMR2M17/Defines.h b/DMR2M17/Defines.h new file mode 100644 index 0000000..1da97d3 --- /dev/null +++ b/DMR2M17/Defines.h @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(Defines_H) +#define Defines_H + +const unsigned char MODE_IDLE = 0U; +const unsigned char MODE_DSTAR = 1U; +const unsigned char MODE_DMR = 2U; +const unsigned char MODE_YSF = 3U; +const unsigned char MODE_P25 = 4U; +const unsigned char MODE_NXDN = 5U; +const unsigned char MODE_CW = 98U; +const unsigned char MODE_LOCKOUT = 99U; +const unsigned char MODE_ERROR = 100U; + +const unsigned char TAG_HEADER = 0x00U; +const unsigned char TAG_DATA = 0x01U; +const unsigned char TAG_LOST = 0x02U; +const unsigned char TAG_EOT = 0x03U; +const unsigned char TAG_NODATA = 0x04U; + +enum HW_TYPE { + HWT_MMDVM, + HWT_DVMEGA, + HWT_MMDVM_ZUMSPOT, + HWT_MMDVM_HS_HAT, + HWT_NANO_HOTSPOT, + HWT_MMDVM_HS, + HWT_UNKNOWN +}; + +enum RPT_RF_STATE { + RS_RF_LISTENING, + RS_RF_LATE_ENTRY, + RS_RF_AUDIO, + RS_RF_DATA, + RS_RF_REJECTED, + RS_RF_INVALID +}; + +enum RPT_NET_STATE { + RS_NET_IDLE, + RS_NET_AUDIO, + RS_NET_DATA +}; + +enum B_STATUS { + BS_NO_DATA, + BS_DATA, + BS_MISSING +}; + +#endif diff --git a/DMR2M17/DelayBuffer.cpp b/DMR2M17/DelayBuffer.cpp new file mode 100644 index 0000000..36e480c --- /dev/null +++ b/DMR2M17/DelayBuffer.cpp @@ -0,0 +1,159 @@ +/* +* Copyright (C) 2018 by Jonathan Naylor G4KLX +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "DelayBuffer.h" +#include "DMRDefines.h" + +#include "Log.h" + +#include +#include +#include + +CDelayBuffer::CDelayBuffer(const std::string& name, unsigned int blockSize, unsigned int blockTime, unsigned int jitterTime, bool debug) : +m_name(name), +m_blockSize(blockSize), +m_blockTime(blockTime), +m_debug(debug), +m_timer(1000U, 0U, jitterTime), +m_stopWatch(), +m_running(false), +m_buffer(5000U, name.c_str()), +m_outputCount(0U), +m_lastData(NULL), +m_lastDataLength(0U), +m_lastDataValid(false) +{ + assert(blockSize > 0U); + assert(blockTime > 0U); + assert(jitterTime > 0U); + + m_lastData = new unsigned char[m_blockSize]; + + reset(); +} + +CDelayBuffer::~CDelayBuffer() +{ + delete[] m_lastData; +} + +bool CDelayBuffer::addData(const unsigned char* data, unsigned int length) +{ + assert(data != NULL); + assert(length > 0U); + assert(length == m_blockSize); + + if (m_debug) + LogDebug("%s, DelayBuffer: appending data", m_name.c_str()); + + m_buffer.addData(data, length); + + if (!m_timer.isRunning()) { + if (m_debug) + LogDebug("%s, DelayBuffer: starting the timer from append", m_name.c_str()); + m_timer.start(); + } + + return true; +} + +B_STATUS CDelayBuffer::getData(unsigned char* data, unsigned int& length) +{ + assert(data != NULL); + + if (!m_running) + return BS_NO_DATA; + + unsigned int needed = m_stopWatch.elapsed() / m_blockTime + 2U; + if (needed <= m_outputCount) + return BS_NO_DATA; + + if (!m_buffer.isEmpty()) { + if (m_debug) + LogDebug("%s, DelayBuffer: returning data, elapsed=%ums", m_name.c_str(), m_stopWatch.elapsed()); + + if (m_buffer.getData(data, m_blockSize)) { + length = m_blockSize; + + // Save this data in case no more data is available next time + ::memcpy(m_lastData, data, length); + m_lastDataLength = length; + m_lastDataValid = true; + + m_outputCount++; + + return BS_DATA; + } + } + + if (m_debug) + LogDebug("%s, DelayBuffer: no data available, elapsed=%ums", m_name.c_str(), m_stopWatch.elapsed()); + + // Return the last data frame if we have it + if (m_lastDataLength > 0U) { + if(m_lastDataValid) { + if (m_debug) + LogDebug("%s, DelayBuffer: returning the last received frame", m_name.c_str()); + // Copy last valid data + ::memcpy(data, m_lastData, m_lastDataLength); + } else { + if (m_debug) + LogDebug("%s, DelayBuffer: returning a silence frame", m_name.c_str()); + // Copy last network header data + ::memcpy(data, m_lastData, 20U); + // We only need to copy silence AMBE data, don't care about LC data for next YSF conversion stage + ::memcpy(data + 20U, DMR_SILENCE_DATA, 33U); + data[53U] = 0U; + data[54U] = 0U; + } + + m_lastDataValid = false; + length = m_lastDataLength; + + m_outputCount++; + + return BS_MISSING; + } + + return BS_NO_DATA; +} + +void CDelayBuffer::reset() +{ + m_buffer.clear(); + + m_lastDataLength = 0U; + + m_outputCount = 0U; + + m_timer.stop(); + + m_running = false; +} + +void CDelayBuffer::clock(unsigned int ms) +{ + m_timer.clock(ms); + if (m_timer.isRunning() && m_timer.hasExpired()) { + if (!m_running) { + m_stopWatch.start(); + m_running = true; + } + } +} diff --git a/DMR2M17/DelayBuffer.h b/DMR2M17/DelayBuffer.h new file mode 100644 index 0000000..779975f --- /dev/null +++ b/DMR2M17/DelayBuffer.h @@ -0,0 +1,58 @@ +/* +* Copyright (C) 2018 by Jonathan Naylor G4KLX +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#if !defined(DELAYBUFFER_H) +#define DELAYBUFFER_H + +#include "RingBuffer.h" +#include "StopWatch.h" +#include "Defines.h" +#include "Timer.h" + +#include + +class CDelayBuffer { +public: + CDelayBuffer(const std::string& name, unsigned int blockSize, unsigned int blockTime, unsigned int jitterTime, bool debug); + ~CDelayBuffer(); + + bool addData(const unsigned char* data, unsigned int length); + + B_STATUS getData(unsigned char* data, unsigned int& length); + + void reset(); + + void clock(unsigned int ms); + +private: + std::string m_name; + unsigned int m_blockSize; + unsigned int m_blockTime; + bool m_debug; + CTimer m_timer; + CStopWatch m_stopWatch; + bool m_running; + CRingBuffer m_buffer; + unsigned int m_outputCount; + + unsigned char* m_lastData; + unsigned int m_lastDataLength; + bool m_lastDataValid; +}; + +#endif diff --git a/DMR2M17/Golay2087.cpp b/DMR2M17/Golay2087.cpp new file mode 100644 index 0000000..61942d8 --- /dev/null +++ b/DMR2M17/Golay2087.cpp @@ -0,0 +1,262 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "Golay2087.h" + +#include +#include + +const unsigned int ENCODING_TABLE_2087[] = + {0x0000U, 0xB08EU, 0xE093U, 0x501DU, 0x70A9U, 0xC027U, 0x903AU, 0x20B4U, 0x60DCU, 0xD052U, 0x804FU, 0x30C1U, + 0x1075U, 0xA0FBU, 0xF0E6U, 0x4068U, 0x7036U, 0xC0B8U, 0x90A5U, 0x202BU, 0x009FU, 0xB011U, 0xE00CU, 0x5082U, + 0x10EAU, 0xA064U, 0xF079U, 0x40F7U, 0x6043U, 0xD0CDU, 0x80D0U, 0x305EU, 0xD06CU, 0x60E2U, 0x30FFU, 0x8071U, + 0xA0C5U, 0x104BU, 0x4056U, 0xF0D8U, 0xB0B0U, 0x003EU, 0x5023U, 0xE0ADU, 0xC019U, 0x7097U, 0x208AU, 0x9004U, + 0xA05AU, 0x10D4U, 0x40C9U, 0xF047U, 0xD0F3U, 0x607DU, 0x3060U, 0x80EEU, 0xC086U, 0x7008U, 0x2015U, 0x909BU, + 0xB02FU, 0x00A1U, 0x50BCU, 0xE032U, 0x90D9U, 0x2057U, 0x704AU, 0xC0C4U, 0xE070U, 0x50FEU, 0x00E3U, 0xB06DU, + 0xF005U, 0x408BU, 0x1096U, 0xA018U, 0x80ACU, 0x3022U, 0x603FU, 0xD0B1U, 0xE0EFU, 0x5061U, 0x007CU, 0xB0F2U, + 0x9046U, 0x20C8U, 0x70D5U, 0xC05BU, 0x8033U, 0x30BDU, 0x60A0U, 0xD02EU, 0xF09AU, 0x4014U, 0x1009U, 0xA087U, + 0x40B5U, 0xF03BU, 0xA026U, 0x10A8U, 0x301CU, 0x8092U, 0xD08FU, 0x6001U, 0x2069U, 0x90E7U, 0xC0FAU, 0x7074U, + 0x50C0U, 0xE04EU, 0xB053U, 0x00DDU, 0x3083U, 0x800DU, 0xD010U, 0x609EU, 0x402AU, 0xF0A4U, 0xA0B9U, 0x1037U, + 0x505FU, 0xE0D1U, 0xB0CCU, 0x0042U, 0x20F6U, 0x9078U, 0xC065U, 0x70EBU, 0xA03DU, 0x10B3U, 0x40AEU, 0xF020U, + 0xD094U, 0x601AU, 0x3007U, 0x8089U, 0xC0E1U, 0x706FU, 0x2072U, 0x90FCU, 0xB048U, 0x00C6U, 0x50DBU, 0xE055U, + 0xD00BU, 0x6085U, 0x3098U, 0x8016U, 0xA0A2U, 0x102CU, 0x4031U, 0xF0BFU, 0xB0D7U, 0x0059U, 0x5044U, 0xE0CAU, + 0xC07EU, 0x70F0U, 0x20EDU, 0x9063U, 0x7051U, 0xC0DFU, 0x90C2U, 0x204CU, 0x00F8U, 0xB076U, 0xE06BU, 0x50E5U, + 0x108DU, 0xA003U, 0xF01EU, 0x4090U, 0x6024U, 0xD0AAU, 0x80B7U, 0x3039U, 0x0067U, 0xB0E9U, 0xE0F4U, 0x507AU, + 0x70CEU, 0xC040U, 0x905DU, 0x20D3U, 0x60BBU, 0xD035U, 0x8028U, 0x30A6U, 0x1012U, 0xA09CU, 0xF081U, 0x400FU, + 0x30E4U, 0x806AU, 0xD077U, 0x60F9U, 0x404DU, 0xF0C3U, 0xA0DEU, 0x1050U, 0x5038U, 0xE0B6U, 0xB0ABU, 0x0025U, + 0x2091U, 0x901FU, 0xC002U, 0x708CU, 0x40D2U, 0xF05CU, 0xA041U, 0x10CFU, 0x307BU, 0x80F5U, 0xD0E8U, 0x6066U, + 0x200EU, 0x9080U, 0xC09DU, 0x7013U, 0x50A7U, 0xE029U, 0xB034U, 0x00BAU, 0xE088U, 0x5006U, 0x001BU, 0xB095U, + 0x9021U, 0x20AFU, 0x70B2U, 0xC03CU, 0x8054U, 0x30DAU, 0x60C7U, 0xD049U, 0xF0FDU, 0x4073U, 0x106EU, 0xA0E0U, + 0x90BEU, 0x2030U, 0x702DU, 0xC0A3U, 0xE017U, 0x5099U, 0x0084U, 0xB00AU, 0xF062U, 0x40ECU, 0x10F1U, 0xA07FU, + 0x80CBU, 0x3045U, 0x6058U, 0xD0D6U}; + +const unsigned int DECODING_TABLE_1987[] = + {0x00000U, 0x00001U, 0x00002U, 0x00003U, 0x00004U, 0x00005U, 0x00006U, 0x00007U, 0x00008U, 0x00009U, 0x0000AU, 0x0000BU, 0x0000CU, + 0x0000DU, 0x0000EU, 0x24020U, 0x00010U, 0x00011U, 0x00012U, 0x00013U, 0x00014U, 0x00015U, 0x00016U, 0x00017U, 0x00018U, 0x00019U, + 0x0001AU, 0x0001BU, 0x0001CU, 0x0001DU, 0x48040U, 0x01480U, 0x00020U, 0x00021U, 0x00022U, 0x00023U, 0x00024U, 0x00025U, 0x00026U, + 0x24008U, 0x00028U, 0x00029U, 0x0002AU, 0x24004U, 0x0002CU, 0x24002U, 0x24001U, 0x24000U, 0x00030U, 0x00031U, 0x00032U, 0x08180U, + 0x00034U, 0x00C40U, 0x00036U, 0x00C42U, 0x00038U, 0x43000U, 0x0003AU, 0x43002U, 0x02902U, 0x24012U, 0x02900U, 0x24010U, 0x00040U, + 0x00041U, 0x00042U, 0x00043U, 0x00044U, 0x00045U, 0x00046U, 0x00047U, 0x00048U, 0x00049U, 0x0004AU, 0x02500U, 0x0004CU, 0x0004DU, + 0x48010U, 0x48011U, 0x00050U, 0x00051U, 0x00052U, 0x21200U, 0x00054U, 0x00C20U, 0x48008U, 0x48009U, 0x00058U, 0x00059U, 0x48004U, + 0x48005U, 0x48002U, 0x48003U, 0x48000U, 0x48001U, 0x00060U, 0x00061U, 0x00062U, 0x00063U, 0x00064U, 0x00C10U, 0x10300U, 0x0B000U, + 0x00068U, 0x00069U, 0x01880U, 0x01881U, 0x40181U, 0x40180U, 0x24041U, 0x24040U, 0x00070U, 0x00C04U, 0x00072U, 0x00C06U, 0x00C01U, + 0x00C00U, 0x00C03U, 0x00C02U, 0x05204U, 0x00C0CU, 0x48024U, 0x48025U, 0x05200U, 0x00C08U, 0x48020U, 0x48021U, 0x00080U, 0x00081U, + 0x00082U, 0x00083U, 0x00084U, 0x00085U, 0x00086U, 0x00087U, 0x00088U, 0x00089U, 0x0008AU, 0x50200U, 0x0008CU, 0x0A800U, 0x01411U, + 0x01410U, 0x00090U, 0x00091U, 0x00092U, 0x08120U, 0x00094U, 0x00095U, 0x04A00U, 0x01408U, 0x00098U, 0x00099U, 0x01405U, 0x01404U, + 0x01403U, 0x01402U, 0x01401U, 0x01400U, 0x000A0U, 0x000A1U, 0x000A2U, 0x08110U, 0x000A4U, 0x000A5U, 0x42400U, 0x42401U, 0x000A8U, + 0x000A9U, 0x01840U, 0x01841U, 0x40141U, 0x40140U, 0x24081U, 0x24080U, 0x000B0U, 0x08102U, 0x08101U, 0x08100U, 0x000B4U, 0x08106U, + 0x08105U, 0x08104U, 0x20A01U, 0x20A00U, 0x08109U, 0x08108U, 0x01423U, 0x01422U, 0x01421U, 0x01420U, 0x000C0U, 0x000C1U, 0x000C2U, + 0x000C3U, 0x000C4U, 0x000C5U, 0x000C6U, 0x000C7U, 0x000C8U, 0x000C9U, 0x01820U, 0x01821U, 0x20600U, 0x40120U, 0x16000U, 0x16001U, + 0x000D0U, 0x000D1U, 0x42801U, 0x42800U, 0x03100U, 0x18200U, 0x03102U, 0x18202U, 0x000D8U, 0x000D9U, 0x48084U, 0x01444U, 0x48082U, + 0x01442U, 0x48080U, 0x01440U, 0x000E0U, 0x32000U, 0x01808U, 0x04600U, 0x40109U, 0x40108U, 0x0180CU, 0x4010AU, 0x01802U, 0x40104U, + 0x01800U, 0x01801U, 0x40101U, 0x40100U, 0x01804U, 0x40102U, 0x0A408U, 0x08142U, 0x08141U, 0x08140U, 0x00C81U, 0x00C80U, 0x00C83U, + 0x00C82U, 0x0A400U, 0x0A401U, 0x01810U, 0x01811U, 0x40111U, 0x40110U, 0x01814U, 0x40112U, 0x00100U, 0x00101U, 0x00102U, 0x00103U, + 0x00104U, 0x00105U, 0x00106U, 0x41800U, 0x00108U, 0x00109U, 0x0010AU, 0x02440U, 0x0010CU, 0x0010DU, 0x0010EU, 0x02444U, 0x00110U, + 0x00111U, 0x00112U, 0x080A0U, 0x00114U, 0x00115U, 0x00116U, 0x080A4U, 0x00118U, 0x00119U, 0x15000U, 0x15001U, 0x02822U, 0x02823U, + 0x02820U, 0x02821U, 0x00120U, 0x00121U, 0x00122U, 0x08090U, 0x00124U, 0x00125U, 0x10240U, 0x10241U, 0x00128U, 0x00129U, 0x0012AU, + 0x24104U, 0x09400U, 0x400C0U, 0x02810U, 0x24100U, 0x00130U, 0x08082U, 0x08081U, 0x08080U, 0x31001U, 0x31000U, 0x02808U, 0x08084U, + 0x02806U, 0x0808AU, 0x02804U, 0x08088U, 0x02802U, 0x02803U, 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0x12015U, 0x12014U, 0x00000U, 0x12016U, 0x12011U, 0x12010U, 0x12013U, + 0x12012U, 0x00640U, 0x00641U, 0x040A1U, 0x040A0U, 0x20088U, 0x20089U, 0x2008AU, 0x040A4U, 0x20084U, 0x20085U, 0x19000U, 0x02300U, + 0x20080U, 0x20081U, 0x20082U, 0x20083U, 0x0C100U, 0x0C101U, 0x21401U, 0x21400U, 0x00A21U, 0x00A20U, 0x00A23U, 0x00A22U, 0x20094U, + 0x20095U, 0x19010U, 0x21408U, 0x20090U, 0x20091U, 0x20092U, 0x28120U, 0x04083U, 0x04082U, 0x04081U, 0x04080U, 0x00A11U, 0x00A10U, + 0x10500U, 0x04084U, 0x200A4U, 0x0408AU, 0x04089U, 0x04088U, 0x200A0U, 0x12040U, 0x200A2U, 0x12042U, 0x00A05U, 0x00A04U, 0x04091U, + 0x04090U, 0x00A01U, 0x00A00U, 0x00A03U, 0x00A02U, 0x05404U, 0x00A0CU, 0x28105U, 0x28104U, 0x05400U, 0x00A08U, 0x28101U, 0x28100U, + 0x00680U, 0x00681U, 0x04061U, 0x04060U, 0x20048U, 0x20049U, 0x2004AU, 0x04064U, 0x20044U, 0x20045U, 0x50401U, 0x50400U, 0x20040U, + 0x20041U, 0x20042U, 0x01210U, 0x68002U, 0x68003U, 0x68000U, 0x68001U, 0x04C02U, 0x0120AU, 0x04C00U, 0x01208U, 0x20054U, 0x01206U, + 0x01205U, 0x01204U, 0x20050U, 0x01202U, 0x01201U, 0x01200U, 0x18800U, 0x04042U, 0x04041U, 0x04040U, 0x42202U, 0x04046U, 0x42200U, + 0x04044U, 0x20064U, 0x0404AU, 0x04049U, 0x04048U, 0x20060U, 0x12080U, 0x20062U, 0x12082U, 0x18810U, 0x04052U, 0x04051U, 0x04050U, + 0x4C009U, 0x4C008U, 0x42210U, 0x04054U, 0x20C01U, 0x20C00U, 0x20C03U, 0x20C02U, 0x4C001U, 0x4C000U, 0x01221U, 0x01220U, 0x2000CU, + 0x04022U, 0x04021U, 0x04020U, 0x20008U, 0x20009U, 0x2000AU, 0x04024U, 0x20004U, 0x20005U, 0x20006U, 0x04028U, 0x20000U, 0x20001U, + 0x20002U, 0x20003U, 0x2001CU, 0x04032U, 0x04031U, 0x04030U, 0x20018U, 0x18400U, 0x2001AU, 0x18402U, 0x20014U, 0x20015U, 0x20016U, + 0x01244U, 0x20010U, 0x20011U, 0x20012U, 0x01240U, 0x04003U, 0x04002U, 0x04001U, 0x04000U, 0x20028U, 0x04006U, 0x04005U, 0x04004U, + 0x20024U, 0x0400AU, 0x04009U, 0x04008U, 0x20020U, 0x20021U, 0x20022U, 0x0400CU, 0x04013U, 0x04012U, 0x04011U, 0x04010U, 0x00A81U, + 0x00A80U, 0x04015U, 0x04014U, 0x0A200U, 0x11100U, 0x04019U, 0x04018U, 0x20030U, 0x20031U, 0x50800U, 0x50801U, 0x00700U, 0x60020U, + 0x10811U, 0x10810U, 0x4400AU, 0x60024U, 0x44008U, 0x44009U, 0x44006U, 0x02242U, 0x44004U, 0x02240U, 0x44002U, 0x44003U, 0x44000U, + 0x44001U, 0x0C040U, 0x10802U, 0x10801U, 0x10800U, 0x0C044U, 0x10806U, 0x10805U, 0x10804U, 0x23000U, 0x23001U, 0x10809U, 0x10808U, + 0x44012U, 0x44013U, 0x44010U, 0x44011U, 0x60001U, 0x60000U, 0x60003U, 0x60002U, 0x60005U, 0x60004U, 0x10440U, 0x10441U, 0x60009U, + 0x60008U, 0x44024U, 0x6000AU, 0x09200U, 0x12100U, 0x44020U, 0x44021U, 0x60011U, 0x60010U, 0x10821U, 0x10820U, 0x07003U, 0x07002U, + 0x07001U, 0x07000U, 0x23020U, 0x60018U, 0x28045U, 0x28044U, 0x09210U, 0x28042U, 0x28041U, 0x28040U, 0x0C010U, 0x0C011U, 0x02209U, + 0x02208U, 0x10422U, 0x10423U, 0x10420U, 0x10421U, 0x02203U, 0x02202U, 0x02201U, 0x02200U, 0x20180U, 0x20181U, 0x44040U, 0x02204U, + 0x0C000U, 0x0C001U, 0x0C002U, 0x10840U, 0x0C004U, 0x0C005U, 0x0C006U, 0x10844U, 0x0C008U, 0x0C009U, 0x02211U, 0x02210U, 0x0C00CU, + 0x28022U, 0x28021U, 0x28020U, 0x60041U, 0x60040U, 0x10404U, 0x04180U, 0x10402U, 0x10403U, 0x10400U, 0x10401U, 0x02223U, 0x02222U, + 0x02221U, 0x02220U, 0x1040AU, 0x28012U, 0x10408U, 0x28010U, 0x0C020U, 0x0C021U, 0x41200U, 0x41201U, 0x00B01U, 0x00B00U, 0x10410U, + 0x28008U, 0x11081U, 0x11080U, 0x28005U, 0x28004U, 0x28003U, 0x28002U, 0x28001U, 0x28000U, 0x52040U, 0x14204U, 0x22405U, 0x22404U, + 0x14201U, 0x14200U, 0x22401U, 0x22400U, 0x20144U, 0x20145U, 0x44084U, 0x022C0U, 0x20140U, 0x20141U, 0x44080U, 0x44081U, 0x40A08U, + 0x10882U, 0x10881U, 0x10880U, 0x14211U, 0x14210U, 0x1A008U, 0x10884U, 0x40A00U, 0x40A01U, 0x40A02U, 0x01304U, 0x1A002U, 0x01302U, + 0x1A000U, 0x01300U, 0x60081U, 0x60080U, 0x04141U, 0x04140U, 0x60085U, 0x60084U, 0x104C0U, 0x04144U, 0x06400U, 0x06401U, 0x30200U, + 0x30201U, 0x06404U, 0x40640U, 0x30204U, 0x30205U, 0x08603U, 0x08602U, 0x08601U, 0x08600U, 0x00000U, 0x08606U, 0x08605U, 0x08604U, + 0x11041U, 0x11040U, 0x30210U, 0x11042U, 0x11045U, 0x11044U, 0x1A020U, 0x01320U, 0x52000U, 0x52001U, 0x04121U, 0x04120U, 0x20108U, + 0x20109U, 0x08A00U, 0x08A01U, 0x20104U, 0x20105U, 0x02281U, 0x02280U, 0x20100U, 0x20101U, 0x20102U, 0x20103U, 0x0C080U, 0x0C081U, + 0x0C082U, 0x04130U, 0x0C084U, 0x06808U, 0x08A10U, 0x08A11U, 0x11021U, 0x11020U, 0x11023U, 0x11022U, 0x20110U, 0x06800U, 0x20112U, + 0x06802U, 0x04103U, 0x04102U, 0x04101U, 0x04100U, 0x10482U, 0x04106U, 0x10480U, 0x04104U, 0x11011U, 0x11010U, 0x04109U, 0x04108U, + 0x20120U, 0x40600U, 0x20122U, 0x40602U, 0x11009U, 0x11008U, 0x22800U, 0x04110U, 0x1100DU, 0x1100CU, 0x22804U, 0x04114U, 0x11001U, + 0x11000U, 0x11003U, 0x11002U, 0x11005U, 0x11004U, 0x28081U, 0x28080U}; + +#define X18 0x00040000 /* vector representation of X^{18} */ +#define X11 0x00000800 /* vector representation of X^{11} */ +#define MASK8 0xfffff800 /* auxiliary vector for testing */ +#define GENPOL 0x00000c75 /* generator polinomial, g(x) */ + +unsigned int CGolay2087::getSyndrome1987(unsigned int pattern) +/* + * Compute the syndrome corresponding to the given pattern, i.e., the + * remainder after dividing the pattern (when considering it as the vector + * representation of a polynomial) by the generator polynomial, GENPOL. + * In the program this pattern has several meanings: (1) pattern = infomation + * bits, when constructing the encoding table; (2) pattern = error pattern, + * when constructing the decoding table; and (3) pattern = received vector, to + * obtain its syndrome in decoding. + */ +{ + unsigned int aux = X18; + + if (pattern >= X11) { + while (pattern & MASK8) { + while (!(aux & pattern)) + aux = aux >> 1; + + pattern ^= (aux / X11) * GENPOL; + } + } + + return pattern; +} + +unsigned char CGolay2087::decode(const unsigned char* data) +{ + assert(data != NULL); + + unsigned int code = (data[0U] << 11) + (data[1U] << 3) + (data[2U] >> 5); + unsigned int syndrome = getSyndrome1987(code); + unsigned int error_pattern = DECODING_TABLE_1987[syndrome]; + + if (error_pattern != 0x00U) + code ^= error_pattern; + + return code >> 11; +} + +void CGolay2087::encode(unsigned char* data) +{ + assert(data != NULL); + + unsigned int value = data[0U]; + + unsigned int cksum = ENCODING_TABLE_2087[value]; + + data[1U] = cksum & 0xFFU; + data[2U] = cksum >> 8; +} diff --git a/DMR2M17/Golay2087.h b/DMR2M17/Golay2087.h new file mode 100644 index 0000000..d54daed --- /dev/null +++ b/DMR2M17/Golay2087.h @@ -0,0 +1,32 @@ +/* + * Copyright (C) 2015 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef Golay2087_H +#define Golay2087_H + +class CGolay2087 { +public: + static void encode(unsigned char* data); + + static unsigned char decode(const unsigned char* data); + +private: + static unsigned int getSyndrome1987(unsigned int pattern); +}; + +#endif diff --git a/DMR2M17/Golay24128.cpp b/DMR2M17/Golay24128.cpp new file mode 100644 index 0000000..417da00 --- /dev/null +++ b/DMR2M17/Golay24128.cpp @@ -0,0 +1,1108 @@ +/* + * Copyright (C) 2010,2016 by Jonathan Naylor G4KLX + * Copyright (C) 2002 by Robert H. Morelos-Zaragoza. All rights reserved. + */ + +#include "Golay24128.h" + +#include +#include + +const unsigned int ENCODING_TABLE_23127[] = { + 0x000000U, 0x0018EAU, 0x00293EU, 0x0031D4U, 0x004A96U, 0x00527CU, 0x0063A8U, 0x007B42U, 0x008DC6U, 0x00952CU, + 0x00A4F8U, 0x00BC12U, 0x00C750U, 0x00DFBAU, 0x00EE6EU, 0x00F684U, 0x010366U, 0x011B8CU, 0x012A58U, 0x0132B2U, + 0x0149F0U, 0x01511AU, 0x0160CEU, 0x017824U, 0x018EA0U, 0x01964AU, 0x01A79EU, 0x01BF74U, 0x01C436U, 0x01DCDCU, + 0x01ED08U, 0x01F5E2U, 0x0206CCU, 0x021E26U, 0x022FF2U, 0x023718U, 0x024C5AU, 0x0254B0U, 0x026564U, 0x027D8EU, + 0x028B0AU, 0x0293E0U, 0x02A234U, 0x02BADEU, 0x02C19CU, 0x02D976U, 0x02E8A2U, 0x02F048U, 0x0305AAU, 0x031D40U, + 0x032C94U, 0x03347EU, 0x034F3CU, 0x0357D6U, 0x036602U, 0x037EE8U, 0x03886CU, 0x039086U, 0x03A152U, 0x03B9B8U, + 0x03C2FAU, 0x03DA10U, 0x03EBC4U, 0x03F32EU, 0x040D98U, 0x041572U, 0x0424A6U, 0x043C4CU, 0x04470EU, 0x045FE4U, + 0x046E30U, 0x0476DAU, 0x04805EU, 0x0498B4U, 0x04A960U, 0x04B18AU, 0x04CAC8U, 0x04D222U, 0x04E3F6U, 0x04FB1CU, + 0x050EFEU, 0x051614U, 0x0527C0U, 0x053F2AU, 0x054468U, 0x055C82U, 0x056D56U, 0x0575BCU, 0x058338U, 0x059BD2U, + 0x05AA06U, 0x05B2ECU, 0x05C9AEU, 0x05D144U, 0x05E090U, 0x05F87AU, 0x060B54U, 0x0613BEU, 0x06226AU, 0x063A80U, + 0x0641C2U, 0x065928U, 0x0668FCU, 0x067016U, 0x068692U, 0x069E78U, 0x06AFACU, 0x06B746U, 0x06CC04U, 0x06D4EEU, + 0x06E53AU, 0x06FDD0U, 0x070832U, 0x0710D8U, 0x07210CU, 0x0739E6U, 0x0742A4U, 0x075A4EU, 0x076B9AU, 0x077370U, + 0x0785F4U, 0x079D1EU, 0x07ACCAU, 0x07B420U, 0x07CF62U, 0x07D788U, 0x07E65CU, 0x07FEB6U, 0x0803DAU, 0x081B30U, + 0x082AE4U, 0x08320EU, 0x08494CU, 0x0851A6U, 0x086072U, 0x087898U, 0x088E1CU, 0x0896F6U, 0x08A722U, 0x08BFC8U, + 0x08C48AU, 0x08DC60U, 0x08EDB4U, 0x08F55EU, 0x0900BCU, 0x091856U, 0x092982U, 0x093168U, 0x094A2AU, 0x0952C0U, + 0x096314U, 0x097BFEU, 0x098D7AU, 0x099590U, 0x09A444U, 0x09BCAEU, 0x09C7ECU, 0x09DF06U, 0x09EED2U, 0x09F638U, + 0x0A0516U, 0x0A1DFCU, 0x0A2C28U, 0x0A34C2U, 0x0A4F80U, 0x0A576AU, 0x0A66BEU, 0x0A7E54U, 0x0A88D0U, 0x0A903AU, + 0x0AA1EEU, 0x0AB904U, 0x0AC246U, 0x0ADAACU, 0x0AEB78U, 0x0AF392U, 0x0B0670U, 0x0B1E9AU, 0x0B2F4EU, 0x0B37A4U, + 0x0B4CE6U, 0x0B540CU, 0x0B65D8U, 0x0B7D32U, 0x0B8BB6U, 0x0B935CU, 0x0BA288U, 0x0BBA62U, 0x0BC120U, 0x0BD9CAU, + 0x0BE81EU, 0x0BF0F4U, 0x0C0E42U, 0x0C16A8U, 0x0C277CU, 0x0C3F96U, 0x0C44D4U, 0x0C5C3EU, 0x0C6DEAU, 0x0C7500U, + 0x0C8384U, 0x0C9B6EU, 0x0CAABAU, 0x0CB250U, 0x0CC912U, 0x0CD1F8U, 0x0CE02CU, 0x0CF8C6U, 0x0D0D24U, 0x0D15CEU, + 0x0D241AU, 0x0D3CF0U, 0x0D47B2U, 0x0D5F58U, 0x0D6E8CU, 0x0D7666U, 0x0D80E2U, 0x0D9808U, 0x0DA9DCU, 0x0DB136U, + 0x0DCA74U, 0x0DD29EU, 0x0DE34AU, 0x0DFBA0U, 0x0E088EU, 0x0E1064U, 0x0E21B0U, 0x0E395AU, 0x0E4218U, 0x0E5AF2U, + 0x0E6B26U, 0x0E73CCU, 0x0E8548U, 0x0E9DA2U, 0x0EAC76U, 0x0EB49CU, 0x0ECFDEU, 0x0ED734U, 0x0EE6E0U, 0x0EFE0AU, + 0x0F0BE8U, 0x0F1302U, 0x0F22D6U, 0x0F3A3CU, 0x0F417EU, 0x0F5994U, 0x0F6840U, 0x0F70AAU, 0x0F862EU, 0x0F9EC4U, + 0x0FAF10U, 0x0FB7FAU, 0x0FCCB8U, 0x0FD452U, 0x0FE586U, 0x0FFD6CU, 0x1007B4U, 0x101F5EU, 0x102E8AU, 0x103660U, + 0x104D22U, 0x1055C8U, 0x10641CU, 0x107CF6U, 0x108A72U, 0x109298U, 0x10A34CU, 0x10BBA6U, 0x10C0E4U, 0x10D80EU, + 0x10E9DAU, 0x10F130U, 0x1104D2U, 0x111C38U, 0x112DECU, 0x113506U, 0x114E44U, 0x1156AEU, 0x11677AU, 0x117F90U, + 0x118914U, 0x1191FEU, 0x11A02AU, 0x11B8C0U, 0x11C382U, 0x11DB68U, 0x11EABCU, 0x11F256U, 0x120178U, 0x121992U, + 0x122846U, 0x1230ACU, 0x124BEEU, 0x125304U, 0x1262D0U, 0x127A3AU, 0x128CBEU, 0x129454U, 0x12A580U, 0x12BD6AU, + 0x12C628U, 0x12DEC2U, 0x12EF16U, 0x12F7FCU, 0x13021EU, 0x131AF4U, 0x132B20U, 0x1333CAU, 0x134888U, 0x135062U, + 0x1361B6U, 0x13795CU, 0x138FD8U, 0x139732U, 0x13A6E6U, 0x13BE0CU, 0x13C54EU, 0x13DDA4U, 0x13EC70U, 0x13F49AU, + 0x140A2CU, 0x1412C6U, 0x142312U, 0x143BF8U, 0x1440BAU, 0x145850U, 0x146984U, 0x14716EU, 0x1487EAU, 0x149F00U, + 0x14AED4U, 0x14B63EU, 0x14CD7CU, 0x14D596U, 0x14E442U, 0x14FCA8U, 0x15094AU, 0x1511A0U, 0x152074U, 0x15389EU, + 0x1543DCU, 0x155B36U, 0x156AE2U, 0x157208U, 0x15848CU, 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0xEE806EU, 0xEE9884U, 0xEEA950U, 0xEEB1BAU, + 0xEECAF8U, 0xEED212U, 0xEEE3C6U, 0xEEFB2CU, 0xEF0ECEU, 0xEF1624U, 0xEF27F0U, 0xEF3F1AU, 0xEF4458U, 0xEF5CB2U, + 0xEF6D66U, 0xEF758CU, 0xEF8308U, 0xEF9BE2U, 0xEFAA36U, 0xEFB2DCU, 0xEFC99EU, 0xEFD174U, 0xEFE0A0U, 0xEFF84AU, + 0xF00292U, 0xF01A78U, 0xF02BACU, 0xF03346U, 0xF04804U, 0xF050EEU, 0xF0613AU, 0xF079D0U, 0xF08F54U, 0xF097BEU, + 0xF0A66AU, 0xF0BE80U, 0xF0C5C2U, 0xF0DD28U, 0xF0ECFCU, 0xF0F416U, 0xF101F4U, 0xF1191EU, 0xF128CAU, 0xF13020U, + 0xF14B62U, 0xF15388U, 0xF1625CU, 0xF17AB6U, 0xF18C32U, 0xF194D8U, 0xF1A50CU, 0xF1BDE6U, 0xF1C6A4U, 0xF1DE4EU, + 0xF1EF9AU, 0xF1F770U, 0xF2045EU, 0xF21CB4U, 0xF22D60U, 0xF2358AU, 0xF24EC8U, 0xF25622U, 0xF267F6U, 0xF27F1CU, + 0xF28998U, 0xF29172U, 0xF2A0A6U, 0xF2B84CU, 0xF2C30EU, 0xF2DBE4U, 0xF2EA30U, 0xF2F2DAU, 0xF30738U, 0xF31FD2U, + 0xF32E06U, 0xF336ECU, 0xF34DAEU, 0xF35544U, 0xF36490U, 0xF37C7AU, 0xF38AFEU, 0xF39214U, 0xF3A3C0U, 0xF3BB2AU, + 0xF3C068U, 0xF3D882U, 0xF3E956U, 0xF3F1BCU, 0xF40F0AU, 0xF417E0U, 0xF42634U, 0xF43EDEU, 0xF4459CU, 0xF45D76U, + 0xF46CA2U, 0xF47448U, 0xF482CCU, 0xF49A26U, 0xF4ABF2U, 0xF4B318U, 0xF4C85AU, 0xF4D0B0U, 0xF4E164U, 0xF4F98EU, + 0xF50C6CU, 0xF51486U, 0xF52552U, 0xF53DB8U, 0xF546FAU, 0xF55E10U, 0xF56FC4U, 0xF5772EU, 0xF581AAU, 0xF59940U, + 0xF5A894U, 0xF5B07EU, 0xF5CB3CU, 0xF5D3D6U, 0xF5E202U, 0xF5FAE8U, 0xF609C6U, 0xF6112CU, 0xF620F8U, 0xF63812U, + 0xF64350U, 0xF65BBAU, 0xF66A6EU, 0xF67284U, 0xF68400U, 0xF69CEAU, 0xF6AD3EU, 0xF6B5D4U, 0xF6CE96U, 0xF6D67CU, + 0xF6E7A8U, 0xF6FF42U, 0xF70AA0U, 0xF7124AU, 0xF7239EU, 0xF73B74U, 0xF74036U, 0xF758DCU, 0xF76908U, 0xF771E2U, + 0xF78766U, 0xF79F8CU, 0xF7AE58U, 0xF7B6B2U, 0xF7CDF0U, 0xF7D51AU, 0xF7E4CEU, 0xF7FC24U, 0xF80148U, 0xF819A2U, + 0xF82876U, 0xF8309CU, 0xF84BDEU, 0xF85334U, 0xF862E0U, 0xF87A0AU, 0xF88C8EU, 0xF89464U, 0xF8A5B0U, 0xF8BD5AU, + 0xF8C618U, 0xF8DEF2U, 0xF8EF26U, 0xF8F7CCU, 0xF9022EU, 0xF91AC4U, 0xF92B10U, 0xF933FAU, 0xF948B8U, 0xF95052U, + 0xF96186U, 0xF9796CU, 0xF98FE8U, 0xF99702U, 0xF9A6D6U, 0xF9BE3CU, 0xF9C57EU, 0xF9DD94U, 0xF9EC40U, 0xF9F4AAU, + 0xFA0784U, 0xFA1F6EU, 0xFA2EBAU, 0xFA3650U, 0xFA4D12U, 0xFA55F8U, 0xFA642CU, 0xFA7CC6U, 0xFA8A42U, 0xFA92A8U, + 0xFAA37CU, 0xFABB96U, 0xFAC0D4U, 0xFAD83EU, 0xFAE9EAU, 0xFAF100U, 0xFB04E2U, 0xFB1C08U, 0xFB2DDCU, 0xFB3536U, + 0xFB4E74U, 0xFB569EU, 0xFB674AU, 0xFB7FA0U, 0xFB8924U, 0xFB91CEU, 0xFBA01AU, 0xFBB8F0U, 0xFBC3B2U, 0xFBDB58U, + 0xFBEA8CU, 0xFBF266U, 0xFC0CD0U, 0xFC143AU, 0xFC25EEU, 0xFC3D04U, 0xFC4646U, 0xFC5EACU, 0xFC6F78U, 0xFC7792U, + 0xFC8116U, 0xFC99FCU, 0xFCA828U, 0xFCB0C2U, 0xFCCB80U, 0xFCD36AU, 0xFCE2BEU, 0xFCFA54U, 0xFD0FB6U, 0xFD175CU, + 0xFD2688U, 0xFD3E62U, 0xFD4520U, 0xFD5DCAU, 0xFD6C1EU, 0xFD74F4U, 0xFD8270U, 0xFD9A9AU, 0xFDAB4EU, 0xFDB3A4U, + 0xFDC8E6U, 0xFDD00CU, 0xFDE1D8U, 0xFDF932U, 0xFE0A1CU, 0xFE12F6U, 0xFE2322U, 0xFE3BC8U, 0xFE408AU, 0xFE5860U, + 0xFE69B4U, 0xFE715EU, 0xFE87DAU, 0xFE9F30U, 0xFEAEE4U, 0xFEB60EU, 0xFECD4CU, 0xFED5A6U, 0xFEE472U, 0xFEFC98U, + 0xFF097AU, 0xFF1190U, 0xFF2044U, 0xFF38AEU, 0xFF43ECU, 0xFF5B06U, 0xFF6AD2U, 0xFF7238U, 0xFF84BCU, 0xFF9C56U, + 0xFFAD82U, 0xFFB568U, 0xFFCE2AU, 0xFFD6C0U, 0xFFE714U, 0xFFFFFEU}; + +static const unsigned int ENCODING_TABLE_24128[] = { + 0x000000U, 0x0018EBU, 0x00293EU, 0x0031D5U, 0x004A97U, 0x00527CU, 0x0063A9U, 0x007B42U, 0x008DC6U, 0x00952DU, + 0x00A4F8U, 0x00BC13U, 0x00C751U, 0x00DFBAU, 0x00EE6FU, 0x00F684U, 0x010367U, 0x011B8CU, 0x012A59U, 0x0132B2U, + 0x0149F0U, 0x01511BU, 0x0160CEU, 0x017825U, 0x018EA1U, 0x01964AU, 0x01A79FU, 0x01BF74U, 0x01C436U, 0x01DCDDU, + 0x01ED08U, 0x01F5E3U, 0x0206CDU, 0x021E26U, 0x022FF3U, 0x023718U, 0x024C5AU, 0x0254B1U, 0x026564U, 0x027D8FU, + 0x028B0BU, 0x0293E0U, 0x02A235U, 0x02BADEU, 0x02C19CU, 0x02D977U, 0x02E8A2U, 0x02F049U, 0x0305AAU, 0x031D41U, + 0x032C94U, 0x03347FU, 0x034F3DU, 0x0357D6U, 0x036603U, 0x037EE8U, 0x03886CU, 0x039087U, 0x03A152U, 0x03B9B9U, + 0x03C2FBU, 0x03DA10U, 0x03EBC5U, 0x03F32EU, 0x040D99U, 0x041572U, 0x0424A7U, 0x043C4CU, 0x04470EU, 0x045FE5U, + 0x046E30U, 0x0476DBU, 0x04805FU, 0x0498B4U, 0x04A961U, 0x04B18AU, 0x04CAC8U, 0x04D223U, 0x04E3F6U, 0x04FB1DU, + 0x050EFEU, 0x051615U, 0x0527C0U, 0x053F2BU, 0x054469U, 0x055C82U, 0x056D57U, 0x0575BCU, 0x058338U, 0x059BD3U, + 0x05AA06U, 0x05B2EDU, 0x05C9AFU, 0x05D144U, 0x05E091U, 0x05F87AU, 0x060B54U, 0x0613BFU, 0x06226AU, 0x063A81U, + 0x0641C3U, 0x065928U, 0x0668FDU, 0x067016U, 0x068692U, 0x069E79U, 0x06AFACU, 0x06B747U, 0x06CC05U, 0x06D4EEU, + 0x06E53BU, 0x06FDD0U, 0x070833U, 0x0710D8U, 0x07210DU, 0x0739E6U, 0x0742A4U, 0x075A4FU, 0x076B9AU, 0x077371U, + 0x0785F5U, 0x079D1EU, 0x07ACCBU, 0x07B420U, 0x07CF62U, 0x07D789U, 0x07E65CU, 0x07FEB7U, 0x0803DAU, 0x081B31U, + 0x082AE4U, 0x08320FU, 0x08494DU, 0x0851A6U, 0x086073U, 0x087898U, 0x088E1CU, 0x0896F7U, 0x08A722U, 0x08BFC9U, + 0x08C48BU, 0x08DC60U, 0x08EDB5U, 0x08F55EU, 0x0900BDU, 0x091856U, 0x092983U, 0x093168U, 0x094A2AU, 0x0952C1U, + 0x096314U, 0x097BFFU, 0x098D7BU, 0x099590U, 0x09A445U, 0x09BCAEU, 0x09C7ECU, 0x09DF07U, 0x09EED2U, 0x09F639U, + 0x0A0517U, 0x0A1DFCU, 0x0A2C29U, 0x0A34C2U, 0x0A4F80U, 0x0A576BU, 0x0A66BEU, 0x0A7E55U, 0x0A88D1U, 0x0A903AU, + 0x0AA1EFU, 0x0AB904U, 0x0AC246U, 0x0ADAADU, 0x0AEB78U, 0x0AF393U, 0x0B0670U, 0x0B1E9BU, 0x0B2F4EU, 0x0B37A5U, + 0x0B4CE7U, 0x0B540CU, 0x0B65D9U, 0x0B7D32U, 0x0B8BB6U, 0x0B935DU, 0x0BA288U, 0x0BBA63U, 0x0BC121U, 0x0BD9CAU, + 0x0BE81FU, 0x0BF0F4U, 0x0C0E43U, 0x0C16A8U, 0x0C277DU, 0x0C3F96U, 0x0C44D4U, 0x0C5C3FU, 0x0C6DEAU, 0x0C7501U, + 0x0C8385U, 0x0C9B6EU, 0x0CAABBU, 0x0CB250U, 0x0CC912U, 0x0CD1F9U, 0x0CE02CU, 0x0CF8C7U, 0x0D0D24U, 0x0D15CFU, + 0x0D241AU, 0x0D3CF1U, 0x0D47B3U, 0x0D5F58U, 0x0D6E8DU, 0x0D7666U, 0x0D80E2U, 0x0D9809U, 0x0DA9DCU, 0x0DB137U, + 0x0DCA75U, 0x0DD29EU, 0x0DE34BU, 0x0DFBA0U, 0x0E088EU, 0x0E1065U, 0x0E21B0U, 0x0E395BU, 0x0E4219U, 0x0E5AF2U, + 0x0E6B27U, 0x0E73CCU, 0x0E8548U, 0x0E9DA3U, 0x0EAC76U, 0x0EB49DU, 0x0ECFDFU, 0x0ED734U, 0x0EE6E1U, 0x0EFE0AU, + 0x0F0BE9U, 0x0F1302U, 0x0F22D7U, 0x0F3A3CU, 0x0F417EU, 0x0F5995U, 0x0F6840U, 0x0F70ABU, 0x0F862FU, 0x0F9EC4U, + 0x0FAF11U, 0x0FB7FAU, 0x0FCCB8U, 0x0FD453U, 0x0FE586U, 0x0FFD6DU, 0x1007B4U, 0x101F5FU, 0x102E8AU, 0x103661U, + 0x104D23U, 0x1055C8U, 0x10641DU, 0x107CF6U, 0x108A72U, 0x109299U, 0x10A34CU, 0x10BBA7U, 0x10C0E5U, 0x10D80EU, + 0x10E9DBU, 0x10F130U, 0x1104D3U, 0x111C38U, 0x112DEDU, 0x113506U, 0x114E44U, 0x1156AFU, 0x11677AU, 0x117F91U, + 0x118915U, 0x1191FEU, 0x11A02BU, 0x11B8C0U, 0x11C382U, 0x11DB69U, 0x11EABCU, 0x11F257U, 0x120179U, 0x121992U, + 0x122847U, 0x1230ACU, 0x124BEEU, 0x125305U, 0x1262D0U, 0x127A3BU, 0x128CBFU, 0x129454U, 0x12A581U, 0x12BD6AU, + 0x12C628U, 0x12DEC3U, 0x12EF16U, 0x12F7FDU, 0x13021EU, 0x131AF5U, 0x132B20U, 0x1333CBU, 0x134889U, 0x135062U, + 0x1361B7U, 0x13795CU, 0x138FD8U, 0x139733U, 0x13A6E6U, 0x13BE0DU, 0x13C54FU, 0x13DDA4U, 0x13EC71U, 0x13F49AU, + 0x140A2DU, 0x1412C6U, 0x142313U, 0x143BF8U, 0x1440BAU, 0x145851U, 0x146984U, 0x14716FU, 0x1487EBU, 0x149F00U, + 0x14AED5U, 0x14B63EU, 0x14CD7CU, 0x14D597U, 0x14E442U, 0x14FCA9U, 0x15094AU, 0x1511A1U, 0x152074U, 0x15389FU, + 0x1543DDU, 0x155B36U, 0x156AE3U, 0x157208U, 0x15848CU, 0x159C67U, 0x15ADB2U, 0x15B559U, 0x15CE1BU, 0x15D6F0U, + 0x15E725U, 0x15FFCEU, 0x160CE0U, 0x16140BU, 0x1625DEU, 0x163D35U, 0x164677U, 0x165E9CU, 0x166F49U, 0x1677A2U, + 0x168126U, 0x1699CDU, 0x16A818U, 0x16B0F3U, 0x16CBB1U, 0x16D35AU, 0x16E28FU, 0x16FA64U, 0x170F87U, 0x17176CU, + 0x1726B9U, 0x173E52U, 0x174510U, 0x175DFBU, 0x176C2EU, 0x1774C5U, 0x178241U, 0x179AAAU, 0x17AB7FU, 0x17B394U, + 0x17C8D6U, 0x17D03DU, 0x17E1E8U, 0x17F903U, 0x18046EU, 0x181C85U, 0x182D50U, 0x1835BBU, 0x184EF9U, 0x185612U, + 0x1867C7U, 0x187F2CU, 0x1889A8U, 0x189143U, 0x18A096U, 0x18B87DU, 0x18C33FU, 0x18DBD4U, 0x18EA01U, 0x18F2EAU, + 0x190709U, 0x191FE2U, 0x192E37U, 0x1936DCU, 0x194D9EU, 0x195575U, 0x1964A0U, 0x197C4BU, 0x198ACFU, 0x199224U, + 0x19A3F1U, 0x19BB1AU, 0x19C058U, 0x19D8B3U, 0x19E966U, 0x19F18DU, 0x1A02A3U, 0x1A1A48U, 0x1A2B9DU, 0x1A3376U, + 0x1A4834U, 0x1A50DFU, 0x1A610AU, 0x1A79E1U, 0x1A8F65U, 0x1A978EU, 0x1AA65BU, 0x1ABEB0U, 0x1AC5F2U, 0x1ADD19U, + 0x1AECCCU, 0x1AF427U, 0x1B01C4U, 0x1B192FU, 0x1B28FAU, 0x1B3011U, 0x1B4B53U, 0x1B53B8U, 0x1B626DU, 0x1B7A86U, + 0x1B8C02U, 0x1B94E9U, 0x1BA53CU, 0x1BBDD7U, 0x1BC695U, 0x1BDE7EU, 0x1BEFABU, 0x1BF740U, 0x1C09F7U, 0x1C111CU, + 0x1C20C9U, 0x1C3822U, 0x1C4360U, 0x1C5B8BU, 0x1C6A5EU, 0x1C72B5U, 0x1C8431U, 0x1C9CDAU, 0x1CAD0FU, 0x1CB5E4U, + 0x1CCEA6U, 0x1CD64DU, 0x1CE798U, 0x1CFF73U, 0x1D0A90U, 0x1D127BU, 0x1D23AEU, 0x1D3B45U, 0x1D4007U, 0x1D58ECU, + 0x1D6939U, 0x1D71D2U, 0x1D8756U, 0x1D9FBDU, 0x1DAE68U, 0x1DB683U, 0x1DCDC1U, 0x1DD52AU, 0x1DE4FFU, 0x1DFC14U, + 0x1E0F3AU, 0x1E17D1U, 0x1E2604U, 0x1E3EEFU, 0x1E45ADU, 0x1E5D46U, 0x1E6C93U, 0x1E7478U, 0x1E82FCU, 0x1E9A17U, + 0x1EABC2U, 0x1EB329U, 0x1EC86BU, 0x1ED080U, 0x1EE155U, 0x1EF9BEU, 0x1F0C5DU, 0x1F14B6U, 0x1F2563U, 0x1F3D88U, + 0x1F46CAU, 0x1F5E21U, 0x1F6FF4U, 0x1F771FU, 0x1F819BU, 0x1F9970U, 0x1FA8A5U, 0x1FB04EU, 0x1FCB0CU, 0x1FD3E7U, + 0x1FE232U, 0x1FFAD9U, 0x200F68U, 0x201783U, 0x202656U, 0x203EBDU, 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0xCCB81EU, 0xCCC35CU, 0xCCDBB7U, 0xCCEA62U, 0xCCF289U, + 0xCD076AU, 0xCD1F81U, 0xCD2E54U, 0xCD36BFU, 0xCD4DFDU, 0xCD5516U, 0xCD64C3U, 0xCD7C28U, 0xCD8AACU, 0xCD9247U, + 0xCDA392U, 0xCDBB79U, 0xCDC03BU, 0xCDD8D0U, 0xCDE905U, 0xCDF1EEU, 0xCE02C0U, 0xCE1A2BU, 0xCE2BFEU, 0xCE3315U, + 0xCE4857U, 0xCE50BCU, 0xCE6169U, 0xCE7982U, 0xCE8F06U, 0xCE97EDU, 0xCEA638U, 0xCEBED3U, 0xCEC591U, 0xCEDD7AU, + 0xCEECAFU, 0xCEF444U, 0xCF01A7U, 0xCF194CU, 0xCF2899U, 0xCF3072U, 0xCF4B30U, 0xCF53DBU, 0xCF620EU, 0xCF7AE5U, + 0xCF8C61U, 0xCF948AU, 0xCFA55FU, 0xCFBDB4U, 0xCFC6F6U, 0xCFDE1DU, 0xCFEFC8U, 0xCFF723U, 0xD00DFAU, 0xD01511U, + 0xD024C4U, 0xD03C2FU, 0xD0476DU, 0xD05F86U, 0xD06E53U, 0xD076B8U, 0xD0803CU, 0xD098D7U, 0xD0A902U, 0xD0B1E9U, + 0xD0CAABU, 0xD0D240U, 0xD0E395U, 0xD0FB7EU, 0xD10E9DU, 0xD11676U, 0xD127A3U, 0xD13F48U, 0xD1440AU, 0xD15CE1U, + 0xD16D34U, 0xD175DFU, 0xD1835BU, 0xD19BB0U, 0xD1AA65U, 0xD1B28EU, 0xD1C9CCU, 0xD1D127U, 0xD1E0F2U, 0xD1F819U, + 0xD20B37U, 0xD213DCU, 0xD22209U, 0xD23AE2U, 0xD241A0U, 0xD2594BU, 0xD2689EU, 0xD27075U, 0xD286F1U, 0xD29E1AU, + 0xD2AFCFU, 0xD2B724U, 0xD2CC66U, 0xD2D48DU, 0xD2E558U, 0xD2FDB3U, 0xD30850U, 0xD310BBU, 0xD3216EU, 0xD33985U, + 0xD342C7U, 0xD35A2CU, 0xD36BF9U, 0xD37312U, 0xD38596U, 0xD39D7DU, 0xD3ACA8U, 0xD3B443U, 0xD3CF01U, 0xD3D7EAU, + 0xD3E63FU, 0xD3FED4U, 0xD40063U, 0xD41888U, 0xD4295DU, 0xD431B6U, 0xD44AF4U, 0xD4521FU, 0xD463CAU, 0xD47B21U, + 0xD48DA5U, 0xD4954EU, 0xD4A49BU, 0xD4BC70U, 0xD4C732U, 0xD4DFD9U, 0xD4EE0CU, 0xD4F6E7U, 0xD50304U, 0xD51BEFU, + 0xD52A3AU, 0xD532D1U, 0xD54993U, 0xD55178U, 0xD560ADU, 0xD57846U, 0xD58EC2U, 0xD59629U, 0xD5A7FCU, 0xD5BF17U, + 0xD5C455U, 0xD5DCBEU, 0xD5ED6BU, 0xD5F580U, 0xD606AEU, 0xD61E45U, 0xD62F90U, 0xD6377BU, 0xD64C39U, 0xD654D2U, + 0xD66507U, 0xD67DECU, 0xD68B68U, 0xD69383U, 0xD6A256U, 0xD6BABDU, 0xD6C1FFU, 0xD6D914U, 0xD6E8C1U, 0xD6F02AU, + 0xD705C9U, 0xD71D22U, 0xD72CF7U, 0xD7341CU, 0xD74F5EU, 0xD757B5U, 0xD76660U, 0xD77E8BU, 0xD7880FU, 0xD790E4U, + 0xD7A131U, 0xD7B9DAU, 0xD7C298U, 0xD7DA73U, 0xD7EBA6U, 0xD7F34DU, 0xD80E20U, 0xD816CBU, 0xD8271EU, 0xD83FF5U, + 0xD844B7U, 0xD85C5CU, 0xD86D89U, 0xD87562U, 0xD883E6U, 0xD89B0DU, 0xD8AAD8U, 0xD8B233U, 0xD8C971U, 0xD8D19AU, + 0xD8E04FU, 0xD8F8A4U, 0xD90D47U, 0xD915ACU, 0xD92479U, 0xD93C92U, 0xD947D0U, 0xD95F3BU, 0xD96EEEU, 0xD97605U, + 0xD98081U, 0xD9986AU, 0xD9A9BFU, 0xD9B154U, 0xD9CA16U, 0xD9D2FDU, 0xD9E328U, 0xD9FBC3U, 0xDA08EDU, 0xDA1006U, + 0xDA21D3U, 0xDA3938U, 0xDA427AU, 0xDA5A91U, 0xDA6B44U, 0xDA73AFU, 0xDA852BU, 0xDA9DC0U, 0xDAAC15U, 0xDAB4FEU, + 0xDACFBCU, 0xDAD757U, 0xDAE682U, 0xDAFE69U, 0xDB0B8AU, 0xDB1361U, 0xDB22B4U, 0xDB3A5FU, 0xDB411DU, 0xDB59F6U, + 0xDB6823U, 0xDB70C8U, 0xDB864CU, 0xDB9EA7U, 0xDBAF72U, 0xDBB799U, 0xDBCCDBU, 0xDBD430U, 0xDBE5E5U, 0xDBFD0EU, + 0xDC03B9U, 0xDC1B52U, 0xDC2A87U, 0xDC326CU, 0xDC492EU, 0xDC51C5U, 0xDC6010U, 0xDC78FBU, 0xDC8E7FU, 0xDC9694U, + 0xDCA741U, 0xDCBFAAU, 0xDCC4E8U, 0xDCDC03U, 0xDCEDD6U, 0xDCF53DU, 0xDD00DEU, 0xDD1835U, 0xDD29E0U, 0xDD310BU, + 0xDD4A49U, 0xDD52A2U, 0xDD6377U, 0xDD7B9CU, 0xDD8D18U, 0xDD95F3U, 0xDDA426U, 0xDDBCCDU, 0xDDC78FU, 0xDDDF64U, + 0xDDEEB1U, 0xDDF65AU, 0xDE0574U, 0xDE1D9FU, 0xDE2C4AU, 0xDE34A1U, 0xDE4FE3U, 0xDE5708U, 0xDE66DDU, 0xDE7E36U, + 0xDE88B2U, 0xDE9059U, 0xDEA18CU, 0xDEB967U, 0xDEC225U, 0xDEDACEU, 0xDEEB1BU, 0xDEF3F0U, 0xDF0613U, 0xDF1EF8U, + 0xDF2F2DU, 0xDF37C6U, 0xDF4C84U, 0xDF546FU, 0xDF65BAU, 0xDF7D51U, 0xDF8BD5U, 0xDF933EU, 0xDFA2EBU, 0xDFBA00U, + 0xDFC142U, 0xDFD9A9U, 0xDFE87CU, 0xDFF097U, 0xE00526U, 0xE01DCDU, 0xE02C18U, 0xE034F3U, 0xE04FB1U, 0xE0575AU, + 0xE0668FU, 0xE07E64U, 0xE088E0U, 0xE0900BU, 0xE0A1DEU, 0xE0B935U, 0xE0C277U, 0xE0DA9CU, 0xE0EB49U, 0xE0F3A2U, + 0xE10641U, 0xE11EAAU, 0xE12F7FU, 0xE13794U, 0xE14CD6U, 0xE1543DU, 0xE165E8U, 0xE17D03U, 0xE18B87U, 0xE1936CU, + 0xE1A2B9U, 0xE1BA52U, 0xE1C110U, 0xE1D9FBU, 0xE1E82EU, 0xE1F0C5U, 0xE203EBU, 0xE21B00U, 0xE22AD5U, 0xE2323EU, + 0xE2497CU, 0xE25197U, 0xE26042U, 0xE278A9U, 0xE28E2DU, 0xE296C6U, 0xE2A713U, 0xE2BFF8U, 0xE2C4BAU, 0xE2DC51U, + 0xE2ED84U, 0xE2F56FU, 0xE3008CU, 0xE31867U, 0xE329B2U, 0xE33159U, 0xE34A1BU, 0xE352F0U, 0xE36325U, 0xE37BCEU, + 0xE38D4AU, 0xE395A1U, 0xE3A474U, 0xE3BC9FU, 0xE3C7DDU, 0xE3DF36U, 0xE3EEE3U, 0xE3F608U, 0xE408BFU, 0xE41054U, + 0xE42181U, 0xE4396AU, 0xE44228U, 0xE45AC3U, 0xE46B16U, 0xE473FDU, 0xE48579U, 0xE49D92U, 0xE4AC47U, 0xE4B4ACU, + 0xE4CFEEU, 0xE4D705U, 0xE4E6D0U, 0xE4FE3BU, 0xE50BD8U, 0xE51333U, 0xE522E6U, 0xE53A0DU, 0xE5414FU, 0xE559A4U, + 0xE56871U, 0xE5709AU, 0xE5861EU, 0xE59EF5U, 0xE5AF20U, 0xE5B7CBU, 0xE5CC89U, 0xE5D462U, 0xE5E5B7U, 0xE5FD5CU, + 0xE60E72U, 0xE61699U, 0xE6274CU, 0xE63FA7U, 0xE644E5U, 0xE65C0EU, 0xE66DDBU, 0xE67530U, 0xE683B4U, 0xE69B5FU, + 0xE6AA8AU, 0xE6B261U, 0xE6C923U, 0xE6D1C8U, 0xE6E01DU, 0xE6F8F6U, 0xE70D15U, 0xE715FEU, 0xE7242BU, 0xE73CC0U, + 0xE74782U, 0xE75F69U, 0xE76EBCU, 0xE77657U, 0xE780D3U, 0xE79838U, 0xE7A9EDU, 0xE7B106U, 0xE7CA44U, 0xE7D2AFU, + 0xE7E37AU, 0xE7FB91U, 0xE806FCU, 0xE81E17U, 0xE82FC2U, 0xE83729U, 0xE84C6BU, 0xE85480U, 0xE86555U, 0xE87DBEU, + 0xE88B3AU, 0xE893D1U, 0xE8A204U, 0xE8BAEFU, 0xE8C1ADU, 0xE8D946U, 0xE8E893U, 0xE8F078U, 0xE9059BU, 0xE91D70U, + 0xE92CA5U, 0xE9344EU, 0xE94F0CU, 0xE957E7U, 0xE96632U, 0xE97ED9U, 0xE9885DU, 0xE990B6U, 0xE9A163U, 0xE9B988U, + 0xE9C2CAU, 0xE9DA21U, 0xE9EBF4U, 0xE9F31FU, 0xEA0031U, 0xEA18DAU, 0xEA290FU, 0xEA31E4U, 0xEA4AA6U, 0xEA524DU, + 0xEA6398U, 0xEA7B73U, 0xEA8DF7U, 0xEA951CU, 0xEAA4C9U, 0xEABC22U, 0xEAC760U, 0xEADF8BU, 0xEAEE5EU, 0xEAF6B5U, + 0xEB0356U, 0xEB1BBDU, 0xEB2A68U, 0xEB3283U, 0xEB49C1U, 0xEB512AU, 0xEB60FFU, 0xEB7814U, 0xEB8E90U, 0xEB967BU, + 0xEBA7AEU, 0xEBBF45U, 0xEBC407U, 0xEBDCECU, 0xEBED39U, 0xEBF5D2U, 0xEC0B65U, 0xEC138EU, 0xEC225BU, 0xEC3AB0U, + 0xEC41F2U, 0xEC5919U, 0xEC68CCU, 0xEC7027U, 0xEC86A3U, 0xEC9E48U, 0xECAF9DU, 0xECB776U, 0xECCC34U, 0xECD4DFU, + 0xECE50AU, 0xECFDE1U, 0xED0802U, 0xED10E9U, 0xED213CU, 0xED39D7U, 0xED4295U, 0xED5A7EU, 0xED6BABU, 0xED7340U, + 0xED85C4U, 0xED9D2FU, 0xEDACFAU, 0xEDB411U, 0xEDCF53U, 0xEDD7B8U, 0xEDE66DU, 0xEDFE86U, 0xEE0DA8U, 0xEE1543U, + 0xEE2496U, 0xEE3C7DU, 0xEE473FU, 0xEE5FD4U, 0xEE6E01U, 0xEE76EAU, 0xEE806EU, 0xEE9885U, 0xEEA950U, 0xEEB1BBU, + 0xEECAF9U, 0xEED212U, 0xEEE3C7U, 0xEEFB2CU, 0xEF0ECFU, 0xEF1624U, 0xEF27F1U, 0xEF3F1AU, 0xEF4458U, 0xEF5CB3U, + 0xEF6D66U, 0xEF758DU, 0xEF8309U, 0xEF9BE2U, 0xEFAA37U, 0xEFB2DCU, 0xEFC99EU, 0xEFD175U, 0xEFE0A0U, 0xEFF84BU, + 0xF00292U, 0xF01A79U, 0xF02BACU, 0xF03347U, 0xF04805U, 0xF050EEU, 0xF0613BU, 0xF079D0U, 0xF08F54U, 0xF097BFU, + 0xF0A66AU, 0xF0BE81U, 0xF0C5C3U, 0xF0DD28U, 0xF0ECFDU, 0xF0F416U, 0xF101F5U, 0xF1191EU, 0xF128CBU, 0xF13020U, + 0xF14B62U, 0xF15389U, 0xF1625CU, 0xF17AB7U, 0xF18C33U, 0xF194D8U, 0xF1A50DU, 0xF1BDE6U, 0xF1C6A4U, 0xF1DE4FU, + 0xF1EF9AU, 0xF1F771U, 0xF2045FU, 0xF21CB4U, 0xF22D61U, 0xF2358AU, 0xF24EC8U, 0xF25623U, 0xF267F6U, 0xF27F1DU, + 0xF28999U, 0xF29172U, 0xF2A0A7U, 0xF2B84CU, 0xF2C30EU, 0xF2DBE5U, 0xF2EA30U, 0xF2F2DBU, 0xF30738U, 0xF31FD3U, + 0xF32E06U, 0xF336EDU, 0xF34DAFU, 0xF35544U, 0xF36491U, 0xF37C7AU, 0xF38AFEU, 0xF39215U, 0xF3A3C0U, 0xF3BB2BU, + 0xF3C069U, 0xF3D882U, 0xF3E957U, 0xF3F1BCU, 0xF40F0BU, 0xF417E0U, 0xF42635U, 0xF43EDEU, 0xF4459CU, 0xF45D77U, + 0xF46CA2U, 0xF47449U, 0xF482CDU, 0xF49A26U, 0xF4ABF3U, 0xF4B318U, 0xF4C85AU, 0xF4D0B1U, 0xF4E164U, 0xF4F98FU, + 0xF50C6CU, 0xF51487U, 0xF52552U, 0xF53DB9U, 0xF546FBU, 0xF55E10U, 0xF56FC5U, 0xF5772EU, 0xF581AAU, 0xF59941U, + 0xF5A894U, 0xF5B07FU, 0xF5CB3DU, 0xF5D3D6U, 0xF5E203U, 0xF5FAE8U, 0xF609C6U, 0xF6112DU, 0xF620F8U, 0xF63813U, + 0xF64351U, 0xF65BBAU, 0xF66A6FU, 0xF67284U, 0xF68400U, 0xF69CEBU, 0xF6AD3EU, 0xF6B5D5U, 0xF6CE97U, 0xF6D67CU, + 0xF6E7A9U, 0xF6FF42U, 0xF70AA1U, 0xF7124AU, 0xF7239FU, 0xF73B74U, 0xF74036U, 0xF758DDU, 0xF76908U, 0xF771E3U, + 0xF78767U, 0xF79F8CU, 0xF7AE59U, 0xF7B6B2U, 0xF7CDF0U, 0xF7D51BU, 0xF7E4CEU, 0xF7FC25U, 0xF80148U, 0xF819A3U, + 0xF82876U, 0xF8309DU, 0xF84BDFU, 0xF85334U, 0xF862E1U, 0xF87A0AU, 0xF88C8EU, 0xF89465U, 0xF8A5B0U, 0xF8BD5BU, + 0xF8C619U, 0xF8DEF2U, 0xF8EF27U, 0xF8F7CCU, 0xF9022FU, 0xF91AC4U, 0xF92B11U, 0xF933FAU, 0xF948B8U, 0xF95053U, + 0xF96186U, 0xF9796DU, 0xF98FE9U, 0xF99702U, 0xF9A6D7U, 0xF9BE3CU, 0xF9C57EU, 0xF9DD95U, 0xF9EC40U, 0xF9F4ABU, + 0xFA0785U, 0xFA1F6EU, 0xFA2EBBU, 0xFA3650U, 0xFA4D12U, 0xFA55F9U, 0xFA642CU, 0xFA7CC7U, 0xFA8A43U, 0xFA92A8U, + 0xFAA37DU, 0xFABB96U, 0xFAC0D4U, 0xFAD83FU, 0xFAE9EAU, 0xFAF101U, 0xFB04E2U, 0xFB1C09U, 0xFB2DDCU, 0xFB3537U, + 0xFB4E75U, 0xFB569EU, 0xFB674BU, 0xFB7FA0U, 0xFB8924U, 0xFB91CFU, 0xFBA01AU, 0xFBB8F1U, 0xFBC3B3U, 0xFBDB58U, + 0xFBEA8DU, 0xFBF266U, 0xFC0CD1U, 0xFC143AU, 0xFC25EFU, 0xFC3D04U, 0xFC4646U, 0xFC5EADU, 0xFC6F78U, 0xFC7793U, + 0xFC8117U, 0xFC99FCU, 0xFCA829U, 0xFCB0C2U, 0xFCCB80U, 0xFCD36BU, 0xFCE2BEU, 0xFCFA55U, 0xFD0FB6U, 0xFD175DU, + 0xFD2688U, 0xFD3E63U, 0xFD4521U, 0xFD5DCAU, 0xFD6C1FU, 0xFD74F4U, 0xFD8270U, 0xFD9A9BU, 0xFDAB4EU, 0xFDB3A5U, + 0xFDC8E7U, 0xFDD00CU, 0xFDE1D9U, 0xFDF932U, 0xFE0A1CU, 0xFE12F7U, 0xFE2322U, 0xFE3BC9U, 0xFE408BU, 0xFE5860U, + 0xFE69B5U, 0xFE715EU, 0xFE87DAU, 0xFE9F31U, 0xFEAEE4U, 0xFEB60FU, 0xFECD4DU, 0xFED5A6U, 0xFEE473U, 0xFEFC98U, + 0xFF097BU, 0xFF1190U, 0xFF2045U, 0xFF38AEU, 0xFF43ECU, 0xFF5B07U, 0xFF6AD2U, 0xFF7239U, 0xFF84BDU, 0xFF9C56U, + 0xFFAD83U, 0xFFB568U, 0xFFCE2AU, 0xFFD6C1U, 0xFFE714U, 0xFFFFFFU}; + +static const unsigned int DECODING_TABLE_23127[] = { + 0x000000U, 0x000001U, 0x000002U, 0x000003U, 0x000004U, 0x000005U, 0x000006U, 0x000007U, 0x000008U, 0x000009U, + 0x00000AU, 0x00000BU, 0x00000CU, 0x00000DU, 0x00000EU, 0x024020U, 0x000010U, 0x000011U, 0x000012U, 0x000013U, + 0x000014U, 0x000015U, 0x000016U, 0x412000U, 0x000018U, 0x000019U, 0x00001AU, 0x180800U, 0x00001CU, 0x200300U, + 0x048040U, 0x001480U, 0x000020U, 0x000021U, 0x000022U, 0x000023U, 0x000024U, 0x000025U, 0x000026U, 0x024008U, + 0x000028U, 0x000029U, 0x00002AU, 0x024004U, 0x00002CU, 0x024002U, 0x024001U, 0x024000U, 0x000030U, 0x000031U, + 0x000032U, 0x008180U, 0x000034U, 0x000C40U, 0x301000U, 0x0C0200U, 0x000038U, 0x043000U, 0x400600U, 0x210040U, + 0x090080U, 0x508000U, 0x002900U, 0x024010U, 0x000040U, 0x000041U, 0x000042U, 0x000043U, 0x000044U, 0x000045U, + 0x000046U, 0x280080U, 0x000048U, 0x000049U, 0x00004AU, 0x002500U, 0x00004CU, 0x111000U, 0x048010U, 0x400A00U, + 0x000050U, 0x000051U, 0x000052U, 0x021200U, 0x000054U, 0x000C20U, 0x048008U, 0x104100U, 0x000058U, 0x404080U, + 0x048004U, 0x210020U, 0x048002U, 0x0A2000U, 0x048000U, 0x048001U, 0x000060U, 0x000061U, 0x000062U, 0x540000U, + 0x000064U, 0x000C10U, 0x010300U, 0x00B000U, 0x000068U, 0x088200U, 0x001880U, 0x210010U, 0x602000U, 0x040180U, + 0x180400U, 0x024040U, 0x000070U, 0x000C04U, 0x086000U, 0x210008U, 0x000C01U, 0x000C00U, 0x420080U, 0x000C02U, + 0x120100U, 0x210002U, 0x210001U, 0x210000U, 0x005200U, 0x000C08U, 0x048020U, 0x210004U, 0x000080U, 0x000081U, + 0x000082U, 0x000083U, 0x000084U, 0x000085U, 0x000086U, 0x280040U, 0x000088U, 0x000089U, 0x00008AU, 0x050200U, + 0x00008CU, 0x00A800U, 0x500100U, 0x001410U, 0x000090U, 0x000091U, 0x000092U, 0x008120U, 0x000094U, 0x160000U, + 0x004A00U, 0x001408U, 0x000098U, 0x404040U, 0x222000U, 0x001404U, 0x090020U, 0x001402U, 0x001401U, 0x001400U, + 0x0000A0U, 0x0000A1U, 0x0000A2U, 0x008110U, 0x0000A4U, 0x401200U, 0x042400U, 0x110800U, 0x0000A8U, 0x300400U, + 0x001840U, 0x482000U, 0x090010U, 0x040140U, 0x208200U, 0x024080U, 0x0000B0U, 0x008102U, 0x008101U, 0x008100U, + 0x090008U, 0x206000U, 0x420040U, 0x008104U, 0x090004U, 0x020A00U, 0x144000U, 0x008108U, 0x090000U, 0x090001U, + 0x090002U, 0x001420U, 0x0000C0U, 0x0000C1U, 0x0000C2U, 0x280004U, 0x0000C4U, 0x280002U, 0x280001U, 0x280000U, + 0x0000C8U, 0x404010U, 0x001820U, 0x128000U, 0x020600U, 0x040120U, 0x016000U, 0x280008U, 0x0000D0U, 0x404008U, + 0x110400U, 0x042800U, 0x003100U, 0x018200U, 0x420020U, 0x280010U, 0x404001U, 0x404000U, 0x080300U, 0x404002U, + 0x300800U, 0x404004U, 0x048080U, 0x001440U, 0x0000E0U, 0x032000U, 0x001808U, 0x004600U, 0x10C000U, 0x040108U, + 0x420010U, 0x280020U, 0x001802U, 0x040104U, 0x001800U, 0x001801U, 0x040101U, 0x040100U, 0x001804U, 0x040102U, + 0x240200U, 0x181000U, 0x420004U, 0x008140U, 0x420002U, 0x000C80U, 0x420000U, 0x420001U, 0x00A400U, 0x404020U, + 0x001810U, 0x210080U, 0x090040U, 0x040110U, 0x420008U, 0x102200U, 0x000100U, 0x000101U, 0x000102U, 0x000103U, + 0x000104U, 0x000105U, 0x000106U, 0x041800U, 0x000108U, 0x000109U, 0x00010AU, 0x002440U, 0x00010CU, 0x200210U, + 0x500080U, 0x098000U, 0x000110U, 0x000111U, 0x000112U, 0x0080A0U, 0x000114U, 0x200208U, 0x0A0400U, 0x104040U, + 0x000118U, 0x200204U, 0x015000U, 0x460000U, 0x200201U, 0x200200U, 0x002820U, 0x200202U, 0x000120U, 0x000121U, + 0x000122U, 0x008090U, 0x000124U, 0x182000U, 0x010240U, 0x600400U, 0x000128U, 0x410800U, 0x2C0000U, 0x101200U, + 0x009400U, 0x0400C0U, 0x002810U, 0x024100U, 0x000130U, 0x008082U, 0x008081U, 0x008080U, 0x444000U, 0x031000U, + 0x002808U, 0x008084U, 0x120040U, 0x084400U, 0x002804U, 0x008088U, 0x002802U, 0x200220U, 0x002800U, 0x002801U, + 0x000140U, 0x000141U, 0x000142U, 0x002408U, 0x000144U, 0x428000U, 0x010220U, 0x104010U, 0x000148U, 0x002402U, + 0x002401U, 0x002400U, 0x084800U, 0x0400A0U, 0x221000U, 0x002404U, 0x000150U, 0x0D0000U, 0x600800U, 0x104004U, + 0x003080U, 0x104002U, 0x104001U, 0x104000U, 0x120020U, 0x009800U, 0x080280U, 0x002410U, 0x410400U, 0x200240U, + 0x048100U, 0x104008U, 0x000160U, 0x205000U, 0x010204U, 0x0A0800U, 0x010202U, 0x040088U, 0x010200U, 0x010201U, + 0x120010U, 0x040084U, 0x40C000U, 0x002420U, 0x040081U, 0x040080U, 0x010208U, 0x040082U, 0x120008U, 0x402200U, + 0x041400U, 0x0080C0U, 0x288000U, 0x000D00U, 0x010210U, 0x104020U, 0x120000U, 0x120001U, 0x120002U, 0x210100U, + 0x120004U, 0x040090U, 0x002840U, 0x481000U, 0x000180U, 0x000181U, 0x000182U, 0x008030U, 0x000184U, 0x014400U, + 0x500008U, 0x022200U, 0x000188U, 0x0A1000U, 0x500004U, 0x204800U, 0x500002U, 0x040060U, 0x500000U, 0x500001U, + 0x000190U, 0x008022U, 0x008021U, 0x008020U, 0x003040U, 0x480800U, 0x250000U, 0x008024U, 0x040C00U, 0x112000U, + 0x080240U, 0x008028U, 0x02C000U, 0x200280U, 0x500010U, 0x001500U, 0x0001A0U, 0x008012U, 0x008011U, 0x008010U, + 0x220800U, 0x040048U, 0x085000U, 0x008014U, 0x006200U, 0x040044U, 0x030400U, 0x008018U, 0x040041U, 0x040040U, + 0x500020U, 0x040042U, 0x008003U, 0x008002U, 0x008001U, 0x008000U, 0x100600U, 0x008006U, 0x008005U, 0x008004U, + 0x601000U, 0x00800AU, 0x008009U, 0x008008U, 0x090100U, 0x040050U, 0x002880U, 0x00800CU, 0x0001C0U, 0x100A00U, + 0x064000U, 0x411000U, 0x003010U, 0x040028U, 0x008C00U, 0x280100U, 0x218000U, 0x040024U, 0x080210U, 0x002480U, + 0x040021U, 0x040020U, 0x500040U, 0x040022U, 0x003004U, 0x220400U, 0x080208U, 0x008060U, 0x003000U, 0x003001U, + 0x003002U, 0x104080U, 0x080202U, 0x404100U, 0x080200U, 0x080201U, 0x003008U, 0x040030U, 0x080204U, 0x030800U, + 0x480400U, 0x04000CU, 0x302000U, 0x008050U, 0x040009U, 0x040008U, 0x010280U, 0x04000AU, 0x040005U, 0x040004U, + 0x001900U, 0x040006U, 0x040001U, 0x040000U, 0x040003U, 0x040002U, 0x014800U, 0x008042U, 0x008041U, 0x008040U, + 0x003020U, 0x040018U, 0x420100U, 0x008044U, 0x120080U, 0x040014U, 0x080220U, 0x008048U, 0x040011U, 0x040010U, + 0x204400U, 0x040012U, 0x000200U, 0x000201U, 0x000202U, 0x000203U, 0x000204U, 0x000205U, 0x000206U, 0x108400U, + 0x000208U, 0x000209U, 0x00020AU, 0x050080U, 0x00020CU, 0x200110U, 0x083000U, 0x400840U, 0x000210U, 0x000211U, + 0x000212U, 0x021040U, 0x000214U, 0x200108U, 0x004880U, 0x0C0020U, 0x000218U, 0x200104U, 0x400420U, 0x00E000U, + 0x200101U, 0x200100U, 0x130000U, 0x200102U, 0x000220U, 0x000221U, 0x000222U, 0x202800U, 0x000224U, 0x401080U, + 0x010140U, 0x0C0010U, 0x000228U, 0x088040U, 0x400410U, 0x101100U, 0x140800U, 0x012400U, 0x208080U, 0x024200U, + 0x000230U, 0x114000U, 0x400408U, 0x0C0004U, 0x02A000U, 0x0C0002U, 0x0C0001U, 0x0C0000U, 0x400402U, 0x020880U, + 0x400400U, 0x400401U, 0x005040U, 0x200120U, 0x400404U, 0x0C0008U, 0x000240U, 0x000241U, 0x000242U, 0x021010U, + 0x000244U, 0x046000U, 0x010120U, 0x400808U, 0x000248U, 0x088020U, 0x304000U, 0x400804U, 0x020480U, 0x400802U, + 0x400801U, 0x400800U, 0x000250U, 0x021002U, 0x021001U, 0x021000U, 0x580000U, 0x018080U, 0x202400U, 0x021004U, + 0x012800U, 0x140400U, 0x080180U, 0x021008U, 0x005020U, 0x200140U, 0x048200U, 0x400810U, 0x000260U, 0x088008U, + 0x010104U, 0x004480U, 0x010102U, 0x320000U, 0x010100U, 0x010101U, 0x088001U, 0x088000U, 0x062000U, 0x088002U, + 0x005010U, 0x088004U, 0x010108U, 0x400820U, 0x240080U, 0x402100U, 0x108800U, 0x021020U, 0x005008U, 0x000E00U, + 0x010110U, 0x0C0040U, 0x005004U, 0x088010U, 0x400440U, 0x210200U, 0x005000U, 0x005001U, 0x005002U, 0x102080U, + 0x000280U, 0x000281U, 0x000282U, 0x050008U, 0x000284U, 0x401020U, 0x004810U, 0x022100U, 0x000288U, 0x050002U, + 0x050001U, 0x050000U, 0x020440U, 0x184000U, 0x208020U, 0x050004U, 0x000290U, 0x082400U, 0x004804U, 0x700000U, + 0x004802U, 0x018040U, 0x004800U, 0x004801U, 0x109000U, 0x020820U, 0x080140U, 0x050010U, 0x442000U, 0x200180U, + 0x004808U, 0x001600U, 0x0002A0U, 0x401004U, 0x1A0000U, 0x004440U, 0x401001U, 0x401000U, 0x208008U, 0x401002U, + 0x006100U, 0x020810U, 0x208004U, 0x050020U, 0x208002U, 0x401008U, 0x208000U, 0x208001U, 0x240040U, 0x020808U, + 0x013000U, 0x008300U, 0x100500U, 0x401010U, 0x004820U, 0x0C0080U, 0x020801U, 0x020800U, 0x400480U, 0x020802U, + 0x090200U, 0x020804U, 0x208010U, 0x102040U, 0x0002C0U, 0x100900U, 0x40A000U, 0x004420U, 0x020408U, 0x018010U, + 0x141000U, 0x280200U, 0x020404U, 0x203000U, 0x080110U, 0x050040U, 0x020400U, 0x020401U, 0x020402U, 0x400880U, + 0x240020U, 0x018004U, 0x080108U, 0x021080U, 0x018001U, 0x018000U, 0x004840U, 0x018002U, 0x080102U, 0x404200U, + 0x080100U, 0x080101U, 0x020410U, 0x018008U, 0x080104U, 0x102020U, 0x240010U, 0x004402U, 0x004401U, 0x004400U, + 0x082800U, 0x401040U, 0x010180U, 0x004404U, 0x510000U, 0x088080U, 0x001A00U, 0x004408U, 0x020420U, 0x040300U, + 0x208040U, 0x102010U, 0x240000U, 0x240001U, 0x240002U, 0x004410U, 0x240004U, 0x018020U, 0x420200U, 0x102008U, + 0x240008U, 0x020840U, 0x080120U, 0x102004U, 0x005080U, 0x102002U, 0x102001U, 0x102000U, 0x000300U, 0x000301U, + 0x000302U, 0x484000U, 0x000304U, 0x200018U, 0x010060U, 0x022080U, 0x000308U, 0x200014U, 0x028800U, 0x101020U, + 0x200011U, 0x200010U, 0x044400U, 0x200012U, 0x000310U, 0x20000CU, 0x142000U, 0x010C00U, 0x200009U, 0x200008U, + 0x409000U, 0x20000AU, 0x200005U, 0x200004U, 0x0800C0U, 0x200006U, 0x200001U, 0x200000U, 0x200003U, 0x200002U, + 0x000320U, 0x060400U, 0x010044U, 0x101008U, 0x010042U, 0x00C800U, 0x010040U, 0x010041U, 0x006080U, 0x101002U, + 0x101001U, 0x101000U, 0x4A0000U, 0x200030U, 0x010048U, 0x101004U, 0x081800U, 0x402040U, 0x224000U, 0x008280U, + 0x100480U, 0x200028U, 0x010050U, 0x0C0100U, 0x058000U, 0x200024U, 0x400500U, 0x101010U, 0x200021U, 0x200020U, + 0x002A00U, 0x200022U, 0x000340U, 0x100880U, 0x010024U, 0x248000U, 0x010022U, 0x081400U, 0x010020U, 0x010021U, + 0x441000U, 0x034000U, 0x080090U, 0x002600U, 0x10A000U, 0x200050U, 0x010028U, 0x400900U, 0x00C400U, 0x402020U, + 0x080088U, 0x021100U, 0x060800U, 0x200048U, 0x010030U, 0x104200U, 0x080082U, 0x200044U, 0x080080U, 0x080081U, + 0x200041U, 0x200040U, 0x080084U, 0x200042U, 0x010006U, 0x402010U, 0x010004U, 0x010005U, 0x010002U, 0x010003U, + 0x010000U, 0x010001U, 0x200C00U, 0x088100U, 0x01000CU, 0x101040U, 0x01000AU, 0x040280U, 0x010008U, 0x010009U, + 0x402001U, 0x402000U, 0x010014U, 0x402002U, 0x010012U, 0x402004U, 0x010010U, 0x010011U, 0x120200U, 0x402008U, + 0x0800A0U, 0x044800U, 0x005100U, 0x200060U, 0x010018U, 0x028400U, 0x000380U, 0x100840U, 0x201400U, 0x022004U, + 0x0C8000U, 0x022002U, 0x022001U, 0x022000U, 0x006020U, 0x408400U, 0x080050U, 0x050100U, 0x011800U, 0x200090U, + 0x500200U, 0x022008U, 0x430000U, 0x045000U, 0x080048U, 0x008220U, 0x100420U, 0x200088U, 0x004900U, 0x022010U, + 0x080042U, 0x200084U, 0x080040U, 0x080041U, 0x200081U, 0x200080U, 0x080044U, 0x200082U, 0x006008U, 0x290000U, + 0x440800U, 0x008210U, 0x100410U, 0x401100U, 0x0100C0U, 0x022020U, 0x006000U, 0x006001U, 0x006002U, 0x101080U, + 0x006004U, 0x040240U, 0x208100U, 0x080C00U, 0x100404U, 0x008202U, 0x008201U, 0x008200U, 0x100400U, 0x100401U, + 0x100402U, 0x008204U, 0x006010U, 0x020900U, 0x080060U, 0x008208U, 0x100408U, 0x2000A0U, 0x061000U, 0x414000U, + 0x100801U, 0x100800U, 0x080018U, 0x100802U, 0x604000U, 0x100804U, 0x0100A0U, 0x022040U, 0x080012U, 0x100808U, + 0x080010U, 0x080011U, 0x020500U, 0x040220U, 0x080014U, 0x00D000U, 0x08000AU, 0x100810U, 0x080008U, 0x080009U, + 0x003200U, 0x018100U, 0x08000CU, 0x440400U, 0x080002U, 0x080003U, 0x080000U, 0x080001U, 0x080006U, 0x2000C0U, + 0x080004U, 0x080005U, 0x029000U, 0x100820U, 0x010084U, 0x004500U, 0x010082U, 0x040208U, 0x010080U, 0x010081U, + 0x006040U, 0x040204U, 0x080030U, 0x620000U, 0x040201U, 0x040200U, 0x010088U, 0x040202U, 0x240100U, 0x402080U, + 0x080028U, 0x008240U, 0x100440U, 0x0A4000U, 0x010090U, 0x201800U, 0x080022U, 0x011400U, 0x080020U, 0x080021U, + 0x408800U, 0x040210U, 0x080024U, 0x102100U, 0x000400U, 0x000401U, 0x000402U, 0x000403U, 0x000404U, 0x000405U, + 0x000406U, 0x108200U, 0x000408U, 0x000409U, 0x00040AU, 0x002140U, 0x00040CU, 0x4C0000U, 0x210800U, 0x001090U, + 0x000410U, 0x000411U, 0x000412U, 0x244000U, 0x000414U, 0x000860U, 0x0A0100U, 0x001088U, 0x000418U, 0x038000U, + 0x400220U, 0x001084U, 0x106000U, 0x001082U, 0x001081U, 0x001080U, 0x000420U, 0x000421U, 0x000422U, 0x091000U, + 0x000424U, 0x000850U, 0x042080U, 0x600100U, 0x000428U, 0x300080U, 0x400210U, 0x048800U, 0x009100U, 0x012200U, + 0x180040U, 0x024400U, 0x000430U, 0x000844U, 0x400208U, 0x122000U, 0x000841U, 0x000840U, 0x01C000U, 0x000842U, + 0x400202U, 0x084100U, 0x400200U, 0x400201U, 0x260000U, 0x000848U, 0x400204U, 0x0010A0U, 0x000440U, 0x000441U, + 0x000442U, 0x002108U, 0x000444U, 0x000830U, 0x405000U, 0x070000U, 0x000448U, 0x002102U, 0x002101U, 0x002100U, + 0x020280U, 0x20C000U, 0x180020U, 0x002104U, 0x000450U, 0x000824U, 0x110080U, 0x488000U, 0x000821U, 0x000820U, + 0x202200U, 0x000822U, 0x281000U, 0x140200U, 0x024800U, 0x002110U, 0x410100U, 0x000828U, 0x048400U, 0x0010C0U, + 0x000460U, 0x000814U, 0x228000U, 0x004280U, 0x000811U, 0x000810U, 0x180008U, 0x000812U, 0x054000U, 0x421000U, + 0x180004U, 0x002120U, 0x180002U, 0x000818U, 0x180000U, 0x180001U, 0x000805U, 0x000804U, 0x041100U, 0x000806U, + 0x000801U, 0x000800U, 0x000803U, 0x000802U, 0x00A080U, 0x00080CU, 0x400240U, 0x210400U, 0x000809U, 0x000808U, + 0x180010U, 0x00080AU, 0x000480U, 0x000481U, 0x000482U, 0x420800U, 0x000484U, 0x014100U, 0x042020U, 0x001018U, + 0x000488U, 0x300020U, 0x08C000U, 0x001014U, 0x020240U, 0x001012U, 0x001011U, 0x001010U, 0x000490U, 0x082200U, + 0x110040U, 0x00100CU, 0x608000U, 0x00100AU, 0x001009U, 0x001008U, 0x040900U, 0x001006U, 0x001005U, 0x001004U, + 0x001003U, 0x001002U, 0x001001U, 0x001000U, 0x0004A0U, 0x300008U, 0x042004U, 0x004240U, 0x042002U, 0x0A8000U, + 0x042000U, 0x042001U, 0x300001U, 0x300000U, 0x030100U, 0x300002U, 0x404800U, 0x300004U, 0x042008U, 0x001030U, + 0x025000U, 0x450000U, 0x280800U, 0x008500U, 0x100300U, 0x0008C0U, 0x042010U, 0x001028U, 0x00A040U, 0x300010U, + 0x400280U, 0x001024U, 0x090400U, 0x001022U, 0x001021U, 0x001020U, 0x0004C0U, 0x049000U, 0x110010U, 0x004220U, + 0x020208U, 0x502000U, 0x008900U, 0x280400U, 0x020204U, 0x090800U, 0x640000U, 0x002180U, 0x020200U, 0x020201U, + 0x020202U, 0x001050U, 0x110002U, 0x220100U, 0x110000U, 0x110001U, 0x0C4000U, 0x0008A0U, 0x110004U, 0x001048U, + 0x00A020U, 0x404400U, 0x110008U, 0x001044U, 0x020210U, 0x001042U, 0x001041U, 0x001040U, 0x480100U, 0x004202U, + 0x004201U, 0x004200U, 0x211000U, 0x000890U, 0x042040U, 0x004204U, 0x00A010U, 0x300040U, 0x001C00U, 0x004208U, + 0x020220U, 0x040500U, 0x180080U, 0x418000U, 0x00A008U, 0x000884U, 0x110020U, 0x004210U, 0x000881U, 0x000880U, + 0x420400U, 0x000882U, 0x00A000U, 0x00A001U, 0x00A002U, 0x0E0000U, 0x00A004U, 0x000888U, 0x204100U, 0x001060U, + 0x000500U, 0x000501U, 0x000502U, 0x002048U, 0x000504U, 0x014080U, 0x0A0010U, 0x600020U, 0x000508U, 0x002042U, + 0x002041U, 0x002040U, 0x009020U, 0x120800U, 0x044200U, 0x002044U, 0x000510U, 0x501000U, 0x0A0004U, 0x010A00U, + 0x0A0002U, 0x04A000U, 0x0A0000U, 0x0A0001U, 0x040880U, 0x084020U, 0x308000U, 0x002050U, 0x410040U, 0x200600U, + 0x0A0008U, 0x001180U, 0x000520U, 0x060200U, 0x104800U, 0x600004U, 0x009008U, 0x600002U, 0x600001U, 0x600000U, + 0x009004U, 0x084010U, 0x030080U, 0x002060U, 0x009000U, 0x009001U, 0x009002U, 0x600008U, 0x212000U, 0x084008U, + 0x041040U, 0x008480U, 0x100280U, 0x000940U, 0x0A0020U, 0x600010U, 0x084001U, 0x084000U, 0x400300U, 0x084002U, + 0x009010U, 0x084004U, 0x002C00U, 0x150000U, 0x000540U, 0x00200AU, 0x002009U, 0x002008U, 0x340000U, 0x081200U, + 0x008880U, 0x00200CU, 0x002003U, 0x002002U, 0x002001U, 0x002000U, 0x410010U, 0x002006U, 0x002005U, 0x002004U, + 0x00C200U, 0x220080U, 0x041020U, 0x002018U, 0x410008U, 0x000920U, 0x0A0040U, 0x104400U, 0x410004U, 0x002012U, + 0x002011U, 0x002010U, 0x410000U, 0x410001U, 0x410002U, 0x002014U, 0x480080U, 0x118000U, 0x041010U, 0x002028U, + 0x026000U, 0x000910U, 0x010600U, 0x600040U, 0x200A00U, 0x002022U, 0x002021U, 0x002020U, 0x009040U, 0x040480U, + 0x180100U, 0x002024U, 0x041002U, 0x000904U, 0x041000U, 0x041001U, 0x000901U, 0x000900U, 0x041004U, 0x000902U, + 0x120400U, 0x084040U, 0x041008U, 0x002030U, 0x410020U, 0x000908U, 0x204080U, 0x028200U, 0x000580U, 0x014004U, + 0x201200U, 0x1C0000U, 0x014001U, 0x014000U, 0x008840U, 0x014002U, 0x040810U, 0x408200U, 0x030020U, 0x0020C0U, + 0x282000U, 0x014008U, 0x500400U, 0x001110U, 0x040808U, 0x220040U, 0x406000U, 0x008420U, 0x100220U, 0x014010U, + 0x0A0080U, 0x001108U, 0x040800U, 0x040801U, 0x040802U, 0x001104U, 0x040804U, 0x001102U, 0x001101U, 0x001100U, + 0x480040U, 0x003800U, 0x030008U, 0x008410U, 0x100210U, 0x014020U, 0x042100U, 0x600080U, 0x030002U, 0x300100U, + 0x030000U, 0x030001U, 0x009080U, 0x040440U, 0x030004U, 0x080A00U, 0x100204U, 0x008402U, 0x008401U, 0x008400U, + 0x100200U, 0x100201U, 0x100202U, 0x008404U, 0x040820U, 0x084080U, 0x030010U, 0x008408U, 0x100208U, 0x422000U, + 0x204040U, 0x001120U, 0x480020U, 0x220010U, 0x008804U, 0x002088U, 0x008802U, 0x014040U, 0x008800U, 0x008801U, + 0x105000U, 0x002082U, 0x002081U, 0x002080U, 0x020300U, 0x040420U, 0x008808U, 0x002084U, 0x220001U, 0x220000U, + 0x110100U, 0x220002U, 0x003400U, 0x220004U, 0x008810U, 0x440200U, 0x040840U, 0x220008U, 0x080600U, 0x002090U, + 0x410080U, 0x188000U, 0x204020U, 0x001140U, 0x480000U, 0x480001U, 0x480002U, 0x004300U, 0x480004U, 0x040408U, + 0x008820U, 0x121000U, 0x480008U, 0x040404U, 0x030040U, 0x0020A0U, 0x040401U, 0x040400U, 0x204010U, 0x040402U, + 0x480010U, 0x220020U, 0x041080U, 0x008440U, 0x100240U, 0x000980U, 0x204008U, 0x092000U, 0x00A100U, 0x011200U, + 0x204004U, 0x500800U, 0x204002U, 0x040410U, 0x204000U, 0x204001U, 0x000600U, 0x000601U, 0x000602U, 0x108004U, + 0x000604U, 0x108002U, 0x108001U, 0x108000U, 0x000608U, 0x005800U, 0x400030U, 0x2A0000U, 0x0200C0U, 0x012020U, + 0x044100U, 0x108008U, 0x000610U, 0x082080U, 0x400028U, 0x010900U, 0x051000U, 0x424000U, 0x202040U, 0x108010U, + 0x400022U, 0x140040U, 0x400020U, 0x400021U, 0x088800U, 0x200500U, 0x400024U, 0x001280U, 0x000620U, 0x060100U, + 0x400018U, 0x0040C0U, 0x284000U, 0x012008U, 0x021800U, 0x108020U, 0x400012U, 0x012004U, 0x400010U, 0x400011U, + 0x012001U, 0x012000U, 0x400014U, 0x012002U, 0x40000AU, 0x209000U, 0x400008U, 0x400009U, 0x100180U, 0x000A40U, + 0x40000CU, 0x0C0400U, 0x400002U, 0x400003U, 0x400000U, 0x400001U, 0x400006U, 0x012010U, 0x400004U, 0x400005U, + 0x000640U, 0x610000U, 0x0C0800U, 0x0040A0U, 0x020088U, 0x081100U, 0x202010U, 0x108040U, 0x020084U, 0x140010U, + 0x019000U, 0x002300U, 0x020080U, 0x020081U, 0x020082U, 0x400C00U, 0x00C100U, 0x140008U, 0x202004U, 0x021400U, + 0x202002U, 0x000A20U, 0x202000U, 0x202001U, 0x140001U, 0x140000U, 0x400060U, 0x140002U, 0x020090U, 0x140004U, + 0x202008U, 0x094000U, 0x103000U, 0x004082U, 0x004081U, 0x004080U, 0x448000U, 0x000A10U, 0x010500U, 0x004084U, + 0x200900U, 0x088400U, 0x400050U, 0x004088U, 0x0200A0U, 0x012040U, 0x180200U, 0x241000U, 0x0B0000U, 0x000A04U, + 0x400048U, 0x004090U, 0x000A01U, 0x000A00U, 0x202020U, 0x000A02U, 0x400042U, 0x140020U, 0x400040U, 0x400041U, + 0x005400U, 0x000A08U, 0x400044U, 0x028100U, 0x000680U, 0x082010U, 0x201100U, 0x004060U, 0x020048U, 0x240800U, + 0x490000U, 0x108080U, 0x020044U, 0x408100U, 0x102800U, 0x050400U, 0x020040U, 0x020041U, 0x020042U, 0x001210U, + 0x082001U, 0x082000U, 0x068000U, 0x082002U, 0x100120U, 0x082004U, 0x004C00U, 0x001208U, 0x214000U, 0x082008U, + 0x4000A0U, 0x001204U, 0x020050U, 0x001202U, 0x001201U, 0x001200U, 0x018800U, 0x004042U, 0x004041U, 0x004040U, + 0x100110U, 0x401400U, 0x042200U, 0x004044U, 0x0C1000U, 0x300200U, 0x400090U, 0x004048U, 0x020060U, 0x012080U, + 0x208400U, 0x080900U, 0x100104U, 0x082020U, 0x400088U, 0x004050U, 0x100100U, 0x100101U, 0x100102U, 0x230000U, + 0x400082U, 0x020C00U, 0x400080U, 0x400081U, 0x100108U, 0x04C000U, 0x400084U, 0x001220U, 0x02000CU, 0x004022U, + 0x004021U, 0x004020U, 0x020008U, 0x020009U, 0x02000AU, 0x004024U, 0x020004U, 0x020005U, 0x020006U, 0x004028U, + 0x020000U, 0x020001U, 0x020002U, 0x020003U, 0x401800U, 0x082040U, 0x110200U, 0x004030U, 0x020018U, 0x018400U, + 0x202080U, 0x440100U, 0x020014U, 0x140080U, 0x080500U, 0x208800U, 0x020010U, 0x020011U, 0x020012U, 0x001240U, + 0x004003U, 0x004002U, 0x004001U, 0x004000U, 0x020028U, 0x004006U, 0x004005U, 0x004004U, 0x020024U, 0x00400AU, + 0x004009U, 0x004008U, 0x020020U, 0x020021U, 0x020022U, 0x00400CU, 0x240400U, 0x004012U, 0x004011U, 0x004010U, + 0x100140U, 0x000A80U, 0x089000U, 0x004014U, 0x00A200U, 0x011100U, 0x4000C0U, 0x004018U, 0x020030U, 0x680000U, + 0x050800U, 0x102400U, 0x000700U, 0x060020U, 0x201080U, 0x010810U, 0x402800U, 0x081040U, 0x044008U, 0x108100U, + 0x190000U, 0x408080U, 0x044004U, 0x002240U, 0x044002U, 0x200410U, 0x044000U, 0x044001U, 0x00C040U, 0x010802U, + 0x010801U, 0x010800U, 0x1000A0U, 0x200408U, 0x0A0200U, 0x010804U, 0x023000U, 0x200404U, 0x400120U, 0x010808U, + 0x200401U, 0x200400U, 0x044010U, 0x200402U, 0x060001U, 0x060000U, 0x08A000U, 0x060002U, 0x100090U, 0x060004U, + 0x010440U, 0x600200U, 0x200840U, 0x060008U, 0x400110U, 0x101400U, 0x009200U, 0x012100U, 0x044020U, 0x080880U, + 0x100084U, 0x060010U, 0x400108U, 0x010820U, 0x100080U, 0x100081U, 0x100082U, 0x007000U, 0x400102U, 0x084200U, + 0x400100U, 0x400101U, 0x100088U, 0x200420U, 0x400104U, 0x028040U, 0x00C010U, 0x081004U, 0x520000U, 0x002208U, + 0x081001U, 0x081000U, 0x010420U, 0x081002U, 0x200820U, 0x002202U, 0x002201U, 0x002200U, 0x020180U, 0x081008U, + 0x044040U, 0x002204U, 0x00C000U, 0x00C001U, 0x00C002U, 0x010840U, 0x00C004U, 0x081010U, 0x202100U, 0x440080U, + 0x00C008U, 0x140100U, 0x080480U, 0x002210U, 0x410200U, 0x200440U, 0x101800U, 0x028020U, 0x200808U, 0x060040U, + 0x010404U, 0x004180U, 0x010402U, 0x081020U, 0x010400U, 0x010401U, 0x200800U, 0x200801U, 0x200802U, 0x002220U, + 0x200804U, 0x504000U, 0x010408U, 0x028010U, 0x00C020U, 0x402400U, 0x041200U, 0x380000U, 0x1000C0U, 0x000B00U, + 0x010410U, 0x028008U, 0x200810U, 0x011080U, 0x400140U, 0x028004U, 0x0C2000U, 0x028002U, 0x028001U, 0x028000U, + 0x201002U, 0x408008U, 0x201000U, 0x201001U, 0x100030U, 0x014200U, 0x201004U, 0x022400U, 0x408001U, 0x408000U, + 0x201008U, 0x408002U, 0x020140U, 0x408004U, 0x044080U, 0x080820U, 0x100024U, 0x082100U, 0x201010U, 0x010880U, + 0x100020U, 0x100021U, 0x100022U, 0x440040U, 0x040A00U, 0x408010U, 0x080440U, 0x124000U, 0x100028U, 0x200480U, + 0x01A000U, 0x001300U, 0x100014U, 0x060080U, 0x201020U, 0x004140U, 0x100010U, 0x100011U, 0x100012U, 0x080808U, + 0x006400U, 0x408020U, 0x030200U, 0x080804U, 0x100018U, 0x080802U, 0x080801U, 0x080800U, 0x100004U, 0x100005U, + 0x100006U, 0x008600U, 0x100000U, 0x100001U, 0x100002U, 0x100003U, 0x10000CU, 0x011040U, 0x400180U, 0x242000U, + 0x100008U, 0x100009U, 0x10000AU, 0x080810U, 0x052000U, 0x100C00U, 0x201040U, 0x004120U, 0x020108U, 0x081080U, + 0x008A00U, 0x440010U, 0x020104U, 0x408040U, 0x080410U, 0x002280U, 0x020100U, 0x020101U, 0x020102U, 0x310000U, + 0x00C080U, 0x220200U, 0x080408U, 0x440004U, 0x100060U, 0x440002U, 0x440001U, 0x440000U, 0x080402U, 0x011020U, + 0x080400U, 0x080401U, 0x020110U, 0x006800U, 0x080404U, 0x440008U, 0x480200U, 0x004102U, 0x004101U, 0x004100U, + 0x100050U, 0x20A000U, 0x010480U, 0x004104U, 0x200880U, 0x011010U, 0x148000U, 0x004108U, 0x020120U, 0x040600U, + 0x403000U, 0x080840U, 0x100044U, 0x011008U, 0x022800U, 0x004110U, 0x100040U, 0x100041U, 0x100042U, 0x440020U, + 0x011001U, 0x011000U, 0x080420U, 0x011002U, 0x100048U, 0x011004U, 0x204200U, 0x028080U}; + +#define X22 0x00400000 /* vector representation of X^{22} */ +#define X11 0x00000800 /* vector representation of X^{11} */ +#define MASK12 0xfffff800 /* auxiliary vector for testing */ +#define GENPOL 0x00000c75 /* generator polinomial, g(x) */ + +static unsigned int get_syndrome_23127(unsigned int pattern) +/* + * Compute the syndrome corresponding to the given pattern, i.e., the + * remainder after dividing the pattern (when considering it as the vector + * representation of a polynomial) by the generator polynomial, GENPOL. + * In the program this pattern has several meanings: (1) pattern = infomation + * bits, when constructing the encoding table; (2) pattern = error pattern, + * when constructing the decoding table; and (3) pattern = received vector, to + * obtain its syndrome in decoding. + */ +{ + unsigned int aux = X22; + + if (pattern >= X11) { + while (pattern & MASK12) { + while (!(aux & pattern)) + aux = aux >> 1; + + pattern ^= (aux / X11) * GENPOL; + } + } + + return pattern; +} + +unsigned int CGolay24128::encode23127(unsigned int data) +{ + return ENCODING_TABLE_23127[data]; +} + +unsigned int CGolay24128::encode24128(unsigned int data) +{ + return ENCODING_TABLE_24128[data]; +} + +unsigned int CGolay24128::decode23127(unsigned int code) +{ + unsigned int syndrome = ::get_syndrome_23127(code); + unsigned int error_pattern = DECODING_TABLE_23127[syndrome]; + + code ^= error_pattern; + + return code >> 11; +} + +unsigned int CGolay24128::decode24128(unsigned int code) +{ + return decode23127(code >> 1); +} + +unsigned int CGolay24128::decode24128(unsigned char* bytes) +{ + assert(bytes != NULL); + + unsigned int code = bytes[0U]; + code <<= 8; + code |= bytes[1U]; + code <<= 8; + code |= bytes[2U]; + + return decode23127(code >> 1); +} diff --git a/DMR2M17/Golay24128.h b/DMR2M17/Golay24128.h new file mode 100644 index 0000000..1ac7852 --- /dev/null +++ b/DMR2M17/Golay24128.h @@ -0,0 +1,32 @@ +/* + * Copyright (C) 2010,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef Golay24128_H +#define Golay24128_H + +class CGolay24128 { +public: + static unsigned int encode23127(unsigned int data); + static unsigned int encode24128(unsigned int data); + + static unsigned int decode23127(unsigned int code); + static unsigned int decode24128(unsigned int code); + static unsigned int decode24128(unsigned char* bytes); +}; + +#endif diff --git a/DMR2M17/Hamming.cpp b/DMR2M17/Hamming.cpp new file mode 100644 index 0000000..166e012 --- /dev/null +++ b/DMR2M17/Hamming.cpp @@ -0,0 +1,349 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "Hamming.h" + +#include +#include + + // Hamming (15,11,3) check a boolean data array +bool CHamming::decode15113_1(bool* d) +{ + assert(d != NULL); + + // Calculate the parity it should have + bool c0 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[6]; + bool c1 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[7] ^ d[8] ^ d[9]; + bool c2 = d[0] ^ d[1] ^ d[4] ^ d[5] ^ d[7] ^ d[8] ^ d[10]; + bool c3 = d[0] ^ d[2] ^ d[4] ^ d[6] ^ d[7] ^ d[9] ^ d[10]; + + unsigned char n = 0U; + n |= (c0 != d[11]) ? 0x01U : 0x00U; + n |= (c1 != d[12]) ? 0x02U : 0x00U; + n |= (c2 != d[13]) ? 0x04U : 0x00U; + n |= (c3 != d[14]) ? 0x08U : 0x00U; + + switch (n) + { + // Parity bit errors + case 0x01U: d[11] = !d[11]; return true; + case 0x02U: d[12] = !d[12]; return true; + case 0x04U: d[13] = !d[13]; return true; + case 0x08U: d[14] = !d[14]; return true; + + // Data bit errors + case 0x0FU: d[0] = !d[0]; return true; + case 0x07U: d[1] = !d[1]; return true; + case 0x0BU: d[2] = !d[2]; return true; + case 0x03U: d[3] = !d[3]; return true; + case 0x0DU: d[4] = !d[4]; return true; + case 0x05U: d[5] = !d[5]; return true; + case 0x09U: d[6] = !d[6]; return true; + case 0x0EU: d[7] = !d[7]; return true; + case 0x06U: d[8] = !d[8]; return true; + case 0x0AU: d[9] = !d[9]; return true; + case 0x0CU: d[10] = !d[10]; return true; + + // No bit errors + default: return false; + } +} + +void CHamming::encode15113_1(bool* d) +{ + assert(d != NULL); + + // Calculate the checksum this row should have + d[11] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[6]; + d[12] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[7] ^ d[8] ^ d[9]; + d[13] = d[0] ^ d[1] ^ d[4] ^ d[5] ^ d[7] ^ d[8] ^ d[10]; + d[14] = d[0] ^ d[2] ^ d[4] ^ d[6] ^ d[7] ^ d[9] ^ d[10]; +} + +// Hamming (15,11,3) check a boolean data array +bool CHamming::decode15113_2(bool* d) +{ + assert(d != NULL); + + // Calculate the checksum this row should have + bool c0 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8]; + bool c1 = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[8] ^ d[9]; + bool c2 = d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[7] ^ d[9] ^ d[10]; + bool c3 = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7] ^ d[10]; + + unsigned char n = 0x00U; + n |= (c0 != d[11]) ? 0x01U : 0x00U; + n |= (c1 != d[12]) ? 0x02U : 0x00U; + n |= (c2 != d[13]) ? 0x04U : 0x00U; + n |= (c3 != d[14]) ? 0x08U : 0x00U; + + switch (n) { + // Parity bit errors + case 0x01U: d[11] = !d[11]; return true; + case 0x02U: d[12] = !d[12]; return true; + case 0x04U: d[13] = !d[13]; return true; + case 0x08U: d[14] = !d[14]; return true; + + // Data bit errors + case 0x09U: d[0] = !d[0]; return true; + case 0x0BU: d[1] = !d[1]; return true; + case 0x0FU: d[2] = !d[2]; return true; + case 0x07U: d[3] = !d[3]; return true; + case 0x0EU: d[4] = !d[4]; return true; + case 0x05U: d[5] = !d[5]; return true; + case 0x0AU: d[6] = !d[6]; return true; + case 0x0DU: d[7] = !d[7]; return true; + case 0x03U: d[8] = !d[8]; return true; + case 0x06U: d[9] = !d[9]; return true; + case 0x0CU: d[10] = !d[10]; return true; + + // No bit errors + default: return false; + } +} + +void CHamming::encode15113_2(bool* d) +{ + assert(d != NULL); + + // Calculate the checksum this row should have + d[11] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8]; + d[12] = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[8] ^ d[9]; + d[13] = d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[7] ^ d[9] ^ d[10]; + d[14] = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7] ^ d[10]; +} + +// Hamming (13,9,3) check a boolean data array +bool CHamming::decode1393(bool* d) +{ + assert(d != NULL); + + // Calculate the checksum this column should have + bool c0 = d[0] ^ d[1] ^ d[3] ^ d[5] ^ d[6]; + bool c1 = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7]; + bool c2 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8]; + bool c3 = d[0] ^ d[2] ^ d[4] ^ d[5] ^ d[8]; + + unsigned char n = 0x00U; + n |= (c0 != d[9]) ? 0x01U : 0x00U; + n |= (c1 != d[10]) ? 0x02U : 0x00U; + n |= (c2 != d[11]) ? 0x04U : 0x00U; + n |= (c3 != d[12]) ? 0x08U : 0x00U; + + switch (n) { + // Parity bit errors + case 0x01U: d[9] = !d[9]; return true; + case 0x02U: d[10] = !d[10]; return true; + case 0x04U: d[11] = !d[11]; return true; + case 0x08U: d[12] = !d[12]; return true; + + // Data bit erros + case 0x0FU: d[0] = !d[0]; return true; + case 0x07U: d[1] = !d[1]; return true; + case 0x0EU: d[2] = !d[2]; return true; + case 0x05U: d[3] = !d[3]; return true; + case 0x0AU: d[4] = !d[4]; return true; + case 0x0DU: d[5] = !d[5]; return true; + case 0x03U: d[6] = !d[6]; return true; + case 0x06U: d[7] = !d[7]; return true; + case 0x0CU: d[8] = !d[8]; return true; + + // No bit errors + default: return false; + } +} + +void CHamming::encode1393(bool* d) +{ + assert(d != NULL); + + // Calculate the checksum this column should have + d[9] = d[0] ^ d[1] ^ d[3] ^ d[5] ^ d[6]; + d[10] = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7]; + d[11] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8]; + d[12] = d[0] ^ d[2] ^ d[4] ^ d[5] ^ d[8]; +} + +// Hamming (10,6,3) check a boolean data array +bool CHamming::decode1063(bool* d) +{ + assert(d != NULL); + + // Calculate the checksum this column should have + bool c0 = d[0] ^ d[1] ^ d[2] ^ d[5]; + bool c1 = d[0] ^ d[1] ^ d[3] ^ d[5]; + bool c2 = d[0] ^ d[2] ^ d[3] ^ d[4]; + bool c3 = d[1] ^ d[2] ^ d[3] ^ d[4]; + + unsigned char n = 0x00U; + n |= (c0 != d[6]) ? 0x01U : 0x00U; + n |= (c1 != d[7]) ? 0x02U : 0x00U; + n |= (c2 != d[8]) ? 0x04U : 0x00U; + n |= (c3 != d[9]) ? 0x08U : 0x00U; + + switch (n) { + // Parity bit errors + case 0x01U: d[6] = !d[6]; return true; + case 0x02U: d[7] = !d[7]; return true; + case 0x04U: d[8] = !d[8]; return true; + case 0x08U: d[9] = !d[9]; return true; + + // Data bit erros + case 0x07U: d[0] = !d[0]; return true; + case 0x0BU: d[1] = !d[1]; return true; + case 0x0DU: d[2] = !d[2]; return true; + case 0x0EU: d[3] = !d[3]; return true; + case 0x0CU: d[4] = !d[4]; return true; + case 0x03U: d[5] = !d[5]; return true; + + // No bit errors + default: return false; + } +} + +void CHamming::encode1063(bool* d) +{ + assert(d != NULL); + + // Calculate the checksum this column should have + d[6] = d[0] ^ d[1] ^ d[2] ^ d[5]; + d[7] = d[0] ^ d[1] ^ d[3] ^ d[5]; + d[8] = d[0] ^ d[2] ^ d[3] ^ d[4]; + d[9] = d[1] ^ d[2] ^ d[3] ^ d[4]; +} + +// A Hamming (16,11,4) Check +bool CHamming::decode16114(bool* d) +{ + assert(d != NULL); + + // Calculate the checksum this column should have + bool c0 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8]; + bool c1 = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[8] ^ d[9]; + bool c2 = d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[7] ^ d[9] ^ d[10]; + bool c3 = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7] ^ d[10]; + bool c4 = d[0] ^ d[2] ^ d[5] ^ d[6] ^ d[8] ^ d[9] ^ d[10]; + + // Compare these with the actual bits + unsigned char n = 0x00U; + n |= (c0 != d[11]) ? 0x01U : 0x00U; + n |= (c1 != d[12]) ? 0x02U : 0x00U; + n |= (c2 != d[13]) ? 0x04U : 0x00U; + n |= (c3 != d[14]) ? 0x08U : 0x00U; + n |= (c4 != d[15]) ? 0x10U : 0x00U; + + switch (n) { + // Parity bit errors + case 0x01U: d[11] = !d[11]; return true; + case 0x02U: d[12] = !d[12]; return true; + case 0x04U: d[13] = !d[13]; return true; + case 0x08U: d[14] = !d[14]; return true; + case 0x10U: d[15] = !d[15]; return true; + + // Data bit errors + case 0x19U: d[0] = !d[0]; return true; + case 0x0BU: d[1] = !d[1]; return true; + case 0x1FU: d[2] = !d[2]; return true; + case 0x07U: d[3] = !d[3]; return true; + case 0x0EU: d[4] = !d[4]; return true; + case 0x15U: d[5] = !d[5]; return true; + case 0x1AU: d[6] = !d[6]; return true; + case 0x0DU: d[7] = !d[7]; return true; + case 0x13U: d[8] = !d[8]; return true; + case 0x16U: d[9] = !d[9]; return true; + case 0x1CU: d[10] = !d[10]; return true; + + // No bit errors + case 0x00U: return true; + + // Unrecoverable errors + default: return false; + } +} + +void CHamming::encode16114(bool* d) +{ + assert(d != NULL); + + d[11] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8]; + d[12] = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[8] ^ d[9]; + d[13] = d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[7] ^ d[9] ^ d[10]; + d[14] = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7] ^ d[10]; + d[15] = d[0] ^ d[2] ^ d[5] ^ d[6] ^ d[8] ^ d[9] ^ d[10]; +} + +// A Hamming (17,12,3) Check +bool CHamming::decode17123(bool* d) +{ + assert(d != NULL); + + // Calculate the checksum this column should have + bool c0 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[6] ^ d[7] ^ d[9]; + bool c1 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[7] ^ d[8] ^ d[10]; + bool c2 = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[8] ^ d[9] ^ d[11]; + bool c3 = d[0] ^ d[1] ^ d[4] ^ d[5] ^ d[7] ^ d[10]; + bool c4 = d[0] ^ d[1] ^ d[2] ^ d[5] ^ d[6] ^ d[8] ^ d[11]; + + // Compare these with the actual bits + unsigned char n = 0x00U; + n |= (c0 != d[12]) ? 0x01U : 0x00U; + n |= (c1 != d[13]) ? 0x02U : 0x00U; + n |= (c2 != d[14]) ? 0x04U : 0x00U; + n |= (c3 != d[15]) ? 0x08U : 0x00U; + n |= (c4 != d[16]) ? 0x10U : 0x00U; + + switch (n) { + // Parity bit errors + case 0x01U: d[12] = !d[12]; return true; + case 0x02U: d[13] = !d[13]; return true; + case 0x04U: d[14] = !d[14]; return true; + case 0x08U: d[15] = !d[15]; return true; + case 0x10U: d[16] = !d[16]; return true; + + // Data bit errors + case 0x1BU: d[0] = !d[0]; return true; + case 0x1FU: d[1] = !d[1]; return true; + case 0x17U: d[2] = !d[2]; return true; + case 0x07U: d[3] = !d[3]; return true; + case 0x0EU: d[4] = !d[4]; return true; + case 0x1CU: d[5] = !d[5]; return true; + case 0x11U: d[6] = !d[6]; return true; + case 0x0BU: d[7] = !d[7]; return true; + case 0x16U: d[8] = !d[8]; return true; + case 0x05U: d[9] = !d[9]; return true; + case 0x0AU: d[10] = !d[10]; return true; + case 0x14U: d[11] = !d[11]; return true; + + // No bit errors + case 0x00U: return true; + + // Unrecoverable errors + default: return false; + } +} + +void CHamming::encode17123(bool* d) +{ + assert(d != NULL); + + d[12] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[6] ^ d[7] ^ d[9]; + d[13] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[7] ^ d[8] ^ d[10]; + d[14] = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[8] ^ d[9] ^ d[11]; + d[15] = d[0] ^ d[1] ^ d[4] ^ d[5] ^ d[7] ^ d[10]; + d[16] = d[0] ^ d[1] ^ d[2] ^ d[5] ^ d[6] ^ d[8] ^ d[11]; +} diff --git a/DMR2M17/Hamming.h b/DMR2M17/Hamming.h new file mode 100644 index 0000000..393e005 --- /dev/null +++ b/DMR2M17/Hamming.h @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef Hamming_H +#define Hamming_H + +class CHamming { +public: + static void encode15113_1(bool* d); + static bool decode15113_1(bool* d); + + static void encode15113_2(bool* d); + static bool decode15113_2(bool* d); + + static void encode1393(bool* d); + static bool decode1393(bool* d); + + static void encode1063(bool* d); + static bool decode1063(bool* d); + + static void encode16114(bool* d); + static bool decode16114(bool* d); + + static void encode17123(bool* d); + static bool decode17123(bool* d); +}; + +#endif diff --git a/DMR2M17/LICENSE b/DMR2M17/LICENSE new file mode 100644 index 0000000..3912109 --- /dev/null +++ b/DMR2M17/LICENSE @@ -0,0 +1,340 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc. + 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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It is safest +to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + , 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Library General +Public License instead of this License. diff --git a/DMR2M17/Log.cpp b/DMR2M17/Log.cpp new file mode 100644 index 0000000..fc37ebf --- /dev/null +++ b/DMR2M17/Log.cpp @@ -0,0 +1,136 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "Log.h" + +#if defined(_WIN32) || defined(_WIN64) +#include +#else +#include +#endif + +#include +#include +#include +#include +#include +#include + +static unsigned int m_fileLevel = 2U; +static std::string m_filePath; +static std::string m_fileRoot; + +static FILE* m_fpLog = NULL; + +static unsigned int m_displayLevel = 2U; + +static struct tm m_tm; + +static char LEVELS[] = " DMIWEF"; + +static bool LogOpen() +{ + if (m_fileLevel == 0U) + return true; + + time_t now; + ::time(&now); + + struct tm* tm = ::gmtime(&now); + + if (tm->tm_mday == m_tm.tm_mday && tm->tm_mon == m_tm.tm_mon && tm->tm_year == m_tm.tm_year) { + if (m_fpLog != NULL) + return true; + } else { + if (m_fpLog != NULL) + ::fclose(m_fpLog); + } + + char filename[100U]; +#if defined(_WIN32) || defined(_WIN64) + ::sprintf(filename, "%s\\%s-%04d-%02d-%02d.log", m_filePath.c_str(), m_fileRoot.c_str(), tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday); +#else + ::sprintf(filename, "%s/%s-%04d-%02d-%02d.log", m_filePath.c_str(), m_fileRoot.c_str(), tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday); +#endif + + m_fpLog = ::fopen(filename, "a+t"); + m_tm = *tm; + + return m_fpLog != NULL; +} + +bool LogInitialise(const std::string& filePath, const std::string& fileRoot, unsigned int fileLevel, unsigned int displayLevel) +{ + m_filePath = filePath; + m_fileRoot = fileRoot; + m_fileLevel = fileLevel; + m_displayLevel = displayLevel; + return ::LogOpen(); +} + +void LogFinalise() +{ + if (m_fpLog != NULL) + ::fclose(m_fpLog); +} + +void Log(unsigned int level, const char* fmt, ...) +{ + assert(fmt != NULL); + + char buffer[300U]; +#if defined(_WIN32) || defined(_WIN64) + SYSTEMTIME st; + ::GetSystemTime(&st); + + ::sprintf(buffer, "%c: %04u-%02u-%02u %02u:%02u:%02u.%03u ", LEVELS[level], st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute, st.wSecond, st.wMilliseconds); +#else + struct timeval now; + ::gettimeofday(&now, NULL); + + struct tm* tm = ::gmtime(&now.tv_sec); + + ::sprintf(buffer, "%c: %04d-%02d-%02d %02d:%02d:%02d.%03lu ", LEVELS[level], tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec, now.tv_usec / 1000U); +#endif + + va_list vl; + va_start(vl, fmt); + + ::vsprintf(buffer + ::strlen(buffer), fmt, vl); + + va_end(vl); + + if (level >= m_fileLevel && m_fileLevel != 0U) { + bool ret = ::LogOpen(); + if (!ret) + return; + + ::fprintf(m_fpLog, "%s\n", buffer); + ::fflush(m_fpLog); + } + + if (level >= m_displayLevel && m_displayLevel != 0U) { + ::fprintf(stdout, "%s\n", buffer); + ::fflush(stdout); + } + + if (level == 6U) { // Fatal + ::fclose(m_fpLog); + exit(1); + } +} diff --git a/DMR2M17/Log.h b/DMR2M17/Log.h new file mode 100644 index 0000000..d671ef9 --- /dev/null +++ b/DMR2M17/Log.h @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(LOG_H) +#define LOG_H + +#include + +#define LogDebug(fmt, ...) Log(1U, fmt, ##__VA_ARGS__) +#define LogMessage(fmt, ...) Log(2U, fmt, ##__VA_ARGS__) +#define LogInfo(fmt, ...) Log(3U, fmt, ##__VA_ARGS__) +#define LogWarning(fmt, ...) Log(4U, fmt, ##__VA_ARGS__) +#define LogError(fmt, ...) Log(5U, fmt, ##__VA_ARGS__) +#define LogFatal(fmt, ...) Log(6U, fmt, ##__VA_ARGS__) + +extern void Log(unsigned int level, const char* fmt, ...); + +extern bool LogInitialise(const std::string& filePath, const std::string& fileRoot, unsigned int fileLevel, unsigned int displayLevel); +extern void LogFinalise(); + +#endif diff --git a/DMR2M17/M17Network.cpp b/DMR2M17/M17Network.cpp new file mode 100644 index 0000000..964c691 --- /dev/null +++ b/DMR2M17/M17Network.cpp @@ -0,0 +1,129 @@ +/* + * Copyright (C) 2009-2014,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "M17Network.h" +#include "Utils.h" +#include "Log.h" + +#include +#include +#include + + +CM17Network::CM17Network(const std::string& localAddress, unsigned int localPort, const std::string& gatewayAddress, unsigned int gatewayPort, unsigned char* callsign, bool debug) : +m_address(), +m_port(gatewayPort), +//m_socket(localAddress, localPort), +m_socket(localPort), +m_debug(debug) +{ + memcpy(m_callsign, callsign, 6); + m_address = CUDPSocket::lookup(gatewayAddress); +} + +CM17Network::~CM17Network() +{ +} + +bool CM17Network::open() +{ + LogInfo("Opening M17 network connection"); + + return m_socket.open(); +} + +bool CM17Network::writeData(const unsigned char* data, unsigned int length) +{ + assert(data != NULL); + assert(length > 0U); + + if (m_debug) + CUtils::dump(1U, "M17 Network Data Sent", data, length); + + return m_socket.write(data, length, m_address, m_port); +} + +bool CM17Network::writePoll() +{ + unsigned char data[10U]; + + memcpy(data, "PONG", 4); + memcpy(data+4, m_callsign, 6); + + if (m_debug) + CUtils::dump(1U, "M17 Network Pong Sent", data, 10U); + + return m_socket.write(data, 10U, m_address, m_port); +} + +bool CM17Network::writeLink() +{ + unsigned char data[11U]; + + memcpy(data, "CONN", 4); + memcpy(data+4, m_callsign, 6); + data[10U] = 'A'; + if (m_debug) + CUtils::dump(1U, "M17 Network Link Sent", data, 11U); + + LogInfo("writeLink add:port == %x, %x", m_address.s_addr, m_port); + return m_socket.write(data, 11U, m_address, m_port); +} + +bool CM17Network::writeUnlink() +{ + unsigned char data[10U]; + + memcpy(data, "DISC", 4); + memcpy(data+4, m_callsign, 6); + + if (m_debug) + CUtils::dump(1U, "M17 Network Unlink Sent", data, 10U); + + return m_socket.write(data, 10U, m_address, m_port); +} + +unsigned int CM17Network::readData(unsigned char* data, unsigned int length) +{ + assert(data != NULL); + assert(length > 0U); + + in_addr address; + unsigned int port; + int len = m_socket.read(data, length, address, port); + if (len <= 0) + return 0U; + + // Check if the data is for us + if (m_address.s_addr != address.s_addr || port != m_port) { + LogMessage("M17 packet received from an invalid source, %08X != %08X and/or %u != %u", m_address.s_addr, address.s_addr, m_port, port); + return 0U; + } + + if (m_debug) + CUtils::dump(1U, "M17 Network Data Received", data, len); + + return len; +} + +void CM17Network::close() +{ + m_socket.close(); + + LogInfo("Closing P25 network connection"); +} diff --git a/DMR2M17/M17Network.h b/DMR2M17/M17Network.h new file mode 100644 index 0000000..cd23837 --- /dev/null +++ b/DMR2M17/M17Network.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2009-2014,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef M17Network_H +#define M17Network_H + +#include "UDPSocket.h" + +#include +#include + +class CM17Network { +public: + CM17Network(const std::string& localAddress, unsigned int localPort, const std::string& gatewayAddress, unsigned int gatewayPort, unsigned char* callsign, bool debug); + ~CM17Network(); + + bool open(); + bool writeData(const unsigned char* data, unsigned int length); + unsigned int readData(unsigned char* data, unsigned int length); + bool writePoll(); + bool writeLink(); + bool writeUnlink(); + void close(); +private: + in_addr m_address; + unsigned int m_port; + CUDPSocket m_socket; + bool m_debug; + unsigned char m_callsign[6]; +}; + +#endif diff --git a/DMR2M17/MBEVocoder.cpp b/DMR2M17/MBEVocoder.cpp new file mode 100644 index 0000000..56ec99b --- /dev/null +++ b/DMR2M17/MBEVocoder.cpp @@ -0,0 +1,41 @@ +/* +* Copyright (C) 2016,2017 by Jonathan Naylor G4KLX +* Copyright (C) 2018 by Andy Uribe CA6JAU +* Copyright (C) 2020 by Doug McLain AD8DP +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ +#include +#include +#include "MBEVocoder.h" + + +const uint8_t BIT_MASK_TABLE8[] = { 0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U }; +#define WRITE_BIT8(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE8[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE8[(i)&7]) +#define READ_BIT8(p,i) (p[(i)>>3] & BIT_MASK_TABLE8[(i)&7]) + +MBEVocoder::MBEVocoder(void) +{ +} + +void MBEVocoder::decode_2450(int16_t *pcm, uint8_t *ambe49) +{ + md380_decode(ambe49, pcm); +} + +void MBEVocoder::encode_2450(int16_t *pcm, uint8_t *ambe49) +{ + md380_encode(ambe49, pcm); +} diff --git a/DMR2M17/MBEVocoder.h b/DMR2M17/MBEVocoder.h new file mode 100644 index 0000000..178f51a --- /dev/null +++ b/DMR2M17/MBEVocoder.h @@ -0,0 +1,35 @@ +/* +* Copyright (C) 2016,2017 by Jonathan Naylor G4KLX +* Copyright (C) 2018 by Andy Uribe CA6JAU +* Copyright (C) 2020 by Doug McLain AD8DP +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef INCLUDED_AMBE_ENCODER_H +#define INCLUDED_AMBE_ENCODER_H + +#include + +class MBEVocoder { +public: + void decode_2450(int16_t *, uint8_t *); + void encode_2450(int16_t *, uint8_t *); + MBEVocoder(void); + +private: +}; + +#endif /* INCLUDED_AMBE_ENCODER_H */ diff --git a/DMR2M17/MMDVMNetwork.cpp b/DMR2M17/MMDVMNetwork.cpp new file mode 100644 index 0000000..8ae8318 --- /dev/null +++ b/DMR2M17/MMDVMNetwork.cpp @@ -0,0 +1,342 @@ +/* + * Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "MMDVMNetwork.h" + +#include "StopWatch.h" +#include "SHA256.h" +#include "Utils.h" +#include "Log.h" + +#include +#include + +const unsigned int BUFFER_LENGTH = 500U; + +const unsigned int HOMEBREW_DATA_PACKET_LENGTH = 55U; + + +CMMDVMNetwork::CMMDVMNetwork(const std::string& rptAddress, unsigned int rptPort, const std::string& localAddress, unsigned int localPort, bool debug) : +m_rptAddress(), +m_rptPort(rptPort), +m_id(0U), +m_netId(NULL), +m_debug(debug), +m_socket(localAddress, localPort), +m_buffer(NULL), +m_rxData(1000U, "MMDVM Network"), +m_options(), +m_configData(NULL), +m_configLen(0U), +m_positionData(NULL), +m_positionLen(0U), +m_talkerAliasData(NULL), +m_talkerAliasLen(0U) +{ + assert(!rptAddress.empty()); + assert(rptPort > 0U); + + m_rptAddress = CUDPSocket::lookup(rptAddress); + + m_buffer = new unsigned char[BUFFER_LENGTH]; + m_netId = new unsigned char[4U]; + + m_positionData = new unsigned char[50U]; + m_talkerAliasData = new unsigned char[50U]; + + CStopWatch stopWatch; + ::srand(stopWatch.start()); +} + +CMMDVMNetwork::~CMMDVMNetwork() +{ + delete[] m_netId; + delete[] m_buffer; + delete[] m_configData; + delete[] m_positionData; + delete[] m_talkerAliasData; +} + +std::string CMMDVMNetwork::getOptions() const +{ + return m_options; +} + +unsigned int CMMDVMNetwork::getConfig(unsigned char* config) const +{ + if (m_configData == 0U) + return 0U; + + ::memcpy(config, m_configData, m_configLen); + + return m_configLen; +} + +unsigned int CMMDVMNetwork::getId() const +{ + return m_id; +} + +bool CMMDVMNetwork::open() +{ + LogMessage("MMDVM Network, Opening"); + + return m_socket.open(); +} + +bool CMMDVMNetwork::read(CDMRData& data) +{ + if (m_rxData.isEmpty()) + return false; + + unsigned char length = 0U; + + m_rxData.getData(&length, 1U); + m_rxData.getData(m_buffer, length); + + // Is this a data packet? + if (::memcmp(m_buffer, "DMRD", 4U) != 0) + return false; + + unsigned char seqNo = m_buffer[4U]; + + unsigned int srcId = (m_buffer[5U] << 16) | (m_buffer[6U] << 8) | (m_buffer[7U] << 0); + + unsigned int dstId = (m_buffer[8U] << 16) | (m_buffer[9U] << 8) | (m_buffer[10U] << 0); + + unsigned int slotNo = (m_buffer[15U] & 0x80U) == 0x80U ? 2U : 1U; + + FLCO flco = (m_buffer[15U] & 0x40U) == 0x40U ? FLCO_USER_USER : FLCO_GROUP; + + unsigned int streamId; + ::memcpy(&streamId, m_buffer + 16U, 4U); + + unsigned char ber = m_buffer[53U]; + + unsigned char rssi = m_buffer[54U]; + + data.setSeqNo(seqNo); + data.setSlotNo(slotNo); + data.setSrcId(srcId); + data.setDstId(dstId); + data.setFLCO(flco); + data.setStreamId(streamId); + data.setBER(ber); + data.setRSSI(rssi); + + bool dataSync = (m_buffer[15U] & 0x20U) == 0x20U; + bool voiceSync = (m_buffer[15U] & 0x10U) == 0x10U; + + if (dataSync) { + unsigned char dataType = m_buffer[15U] & 0x0FU; + data.setData(m_buffer + 20U); + data.setDataType(dataType); + data.setN(0U); + } else if (voiceSync) { + data.setData(m_buffer + 20U); + data.setDataType(DT_VOICE_SYNC); + data.setN(0U); + } else { + unsigned char n = m_buffer[15U] & 0x0FU; + data.setData(m_buffer + 20U); + data.setDataType(DT_VOICE); + data.setN(n); + } + + return true; +} + +bool CMMDVMNetwork::write(const CDMRData& data) +{ + unsigned char buffer[HOMEBREW_DATA_PACKET_LENGTH]; + ::memset(buffer, 0x00U, HOMEBREW_DATA_PACKET_LENGTH); + + buffer[0U] = 'D'; + buffer[1U] = 'M'; + buffer[2U] = 'R'; + buffer[3U] = 'D'; + + unsigned int srcId = data.getSrcId(); + buffer[5U] = srcId >> 16; + buffer[6U] = srcId >> 8; + buffer[7U] = srcId >> 0; + + unsigned int dstId = data.getDstId(); + buffer[8U] = dstId >> 16; + buffer[9U] = dstId >> 8; + buffer[10U] = dstId >> 0; + + ::memcpy(buffer + 11U, m_netId, 4U); + + unsigned int slotNo = data.getSlotNo(); + + buffer[15U] = slotNo == 1U ? 0x00U : 0x80U; + + FLCO flco = data.getFLCO(); + buffer[15U] |= flco == FLCO_GROUP ? 0x00U : 0x40U; + + unsigned char dataType = data.getDataType(); + if (dataType == DT_VOICE_SYNC) { + buffer[15U] |= 0x10U; + } else if (dataType == DT_VOICE) { + buffer[15U] |= data.getN(); + } else { + buffer[15U] |= (0x20U | dataType); + } + + buffer[4U] = data.getSeqNo(); + + unsigned int streamId = data.getStreamId(); + ::memcpy(buffer + 16U, &streamId, 4U); + + data.getData(buffer + 20U); + + buffer[53U] = data.getBER(); + + buffer[54U] = data.getRSSI(); + + if (m_debug) + CUtils::dump(1U, "Network Transmitted", buffer, HOMEBREW_DATA_PACKET_LENGTH); + + m_socket.write(buffer, HOMEBREW_DATA_PACKET_LENGTH, m_rptAddress, m_rptPort); + + return true; +} + +bool CMMDVMNetwork::readPosition(unsigned char* data, unsigned int& length) +{ + if (m_positionLen == 0U) + return false; + + ::memcpy(data, m_positionData, m_positionLen); + length = m_positionLen; + + m_positionLen = 0U; + + return true; +} + +bool CMMDVMNetwork::readTalkerAlias(unsigned char* data, unsigned int& length) +{ + if (m_talkerAliasLen == 0U) + return false; + + ::memcpy(data, m_talkerAliasData, m_talkerAliasLen); + length = m_talkerAliasLen; + + m_talkerAliasLen = 0U; + + return true; +} + +bool CMMDVMNetwork::writeBeacon() +{ + unsigned char buffer[20U]; + ::memcpy(buffer + 0U, "RPTSBKN", 7U); + ::memcpy(buffer + 7U, m_netId, 4U); + + return m_socket.write(buffer, 11U, m_rptAddress, m_rptPort); +} + +void CMMDVMNetwork::close() +{ + unsigned char buffer[HOMEBREW_DATA_PACKET_LENGTH]; + ::memset(buffer, 0x00U, HOMEBREW_DATA_PACKET_LENGTH); + + LogMessage("MMDVM Network, Closing"); + + ::memcpy(buffer + 0U, "MSTCL", 5U); + ::memcpy(buffer + 5U, m_netId, 4U); + + m_socket.write(buffer, HOMEBREW_DATA_PACKET_LENGTH, m_rptAddress, m_rptPort); + m_socket.close(); +} + +void CMMDVMNetwork::clock(unsigned int ms) +{ + in_addr address; + unsigned int port; + int length = m_socket.read(m_buffer, BUFFER_LENGTH, address, port); + if (length < 0) { + LogError("MMDVM Network, Socket has failed, reopening"); + close(); + open(); + return; + } + + if (m_debug && length > 0) + CUtils::dump(1U, "Network Received", m_buffer, length); + + if (length > 0 && m_rptAddress.s_addr == address.s_addr && m_rptPort == port) { + if (::memcmp(m_buffer, "DMRD", 4U) == 0) { + //if (m_debug) + //CUtils::dump(1U, "Network Received", m_buffer, length); + + unsigned char len = length; + m_rxData.addData(&len, 1U); + m_rxData.addData(m_buffer, len); + } else if (::memcmp(m_buffer, "DMRG", 4U) == 0) { + ::memcpy(m_positionData, m_buffer, length); + m_positionLen = length; + } else if (::memcmp(m_buffer, "DMRA", 4U) == 0) { + ::memcpy(m_talkerAliasData, m_buffer, length); + m_talkerAliasLen = length; + } else if (::memcmp(m_buffer, "RPTL", 4U) == 0) { + m_id = (m_buffer[4U] << 24) | (m_buffer[5U] << 16) | (m_buffer[6U] << 8) | (m_buffer[7U] << 0); + ::memcpy(m_netId, m_buffer + 4U, 4U); + + unsigned char ack[10U]; + ::memcpy(ack + 0U, "RPTACK", 6U); + + uint32_t salt = 1U; + ::memcpy(ack + 6U, &salt, sizeof(uint32_t)); + + m_socket.write(ack, 10U, m_rptAddress, m_rptPort); + } else if (::memcmp(m_buffer, "RPTK", 4U) == 0) { + unsigned char ack[10U]; + ::memcpy(ack + 0U, "RPTACK", 6U); + ::memcpy(ack + 6U, m_netId, 4U); + m_socket.write(ack, 10U, m_rptAddress, m_rptPort); + } else if (::memcmp(m_buffer, "RPTCL", 5U) == 0) { + ::LogMessage("MMDVM Network, The connected MMDVM is closing down"); + } else if (::memcmp(m_buffer, "RPTC", 4U) == 0) { + m_configLen = length - 8U; + m_configData = new unsigned char[m_configLen]; + ::memcpy(m_configData, m_buffer + 8U, m_configLen); + + unsigned char ack[10U]; + ::memcpy(ack + 0U, "RPTACK", 6U); + ::memcpy(ack + 6U, m_netId, 4U); + m_socket.write(ack, 10U, m_rptAddress, m_rptPort); + } else if (::memcmp(m_buffer, "RPTO", 4U) == 0) { + m_options = std::string((char*)(m_buffer + 8U), length - 8U); + + unsigned char ack[10U]; + ::memcpy(ack + 0U, "RPTACK", 6U); + ::memcpy(ack + 6U, m_netId, 4U); + m_socket.write(ack, 10U, m_rptAddress, m_rptPort); + } else if (::memcmp(m_buffer, "RPTPING", 7U) == 0) { + unsigned char pong[11U]; + ::memcpy(pong + 0U, "MSTPONG", 7U); + ::memcpy(pong + 7U, m_netId, 4U); + m_socket.write(pong, 11U, m_rptAddress, m_rptPort); + } else { + CUtils::dump("Unknown packet from the master", m_buffer, length); + } + } +} diff --git a/DMR2M17/MMDVMNetwork.h b/DMR2M17/MMDVMNetwork.h new file mode 100644 index 0000000..2f3ec00 --- /dev/null +++ b/DMR2M17/MMDVMNetwork.h @@ -0,0 +1,76 @@ +/* + * Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(MMDVMNetwork_H) +#define MMDVMNetwork_H + +#include "UDPSocket.h" +#include "Timer.h" +#include "RingBuffer.h" +#include "DMRData.h" + +#include +#include + +class CMMDVMNetwork +{ +public: + CMMDVMNetwork(const std::string& rptAddress, unsigned int rptPort, const std::string& localAddress, unsigned int localPort, bool debug); + ~CMMDVMNetwork(); + + std::string getOptions() const; + + unsigned int getConfig(unsigned char* config) const; + + unsigned int getId() const; + + bool open(); + + bool read(CDMRData& data); + + bool write(const CDMRData& data); + + bool readPosition(unsigned char* data, unsigned int& length); + + bool readTalkerAlias(unsigned char* data, unsigned int& length); + + bool writeBeacon(); + + void clock(unsigned int ms); + + void close(); + +private: + in_addr m_rptAddress; + unsigned int m_rptPort; + unsigned int m_id; + unsigned char* m_netId; + bool m_debug; + CUDPSocket m_socket; + unsigned char* m_buffer; + CRingBuffer m_rxData; + std::string m_options; + unsigned char* m_configData; + unsigned int m_configLen; + unsigned char* m_positionData; + unsigned int m_positionLen; + unsigned char* m_talkerAliasData; + unsigned int m_talkerAliasLen; +}; + +#endif diff --git a/DMR2M17/Makefile b/DMR2M17/Makefile new file mode 100644 index 0000000..2bd4777 --- /dev/null +++ b/DMR2M17/Makefile @@ -0,0 +1,26 @@ +CC ?= gcc +CXX ?= g++ +CFLAGS ?= -g -O3 -Wall -std=c++0x -pthread +LIBS = -lm -lpthread -lmd380_vocoder +LDFLAGS ?= -g + +OBJECTS = BPTC19696.o Conf.o CRC.o DelayBuffer.o DMRData.o DMREMB.o DMREmbeddedData.o \ + DMRFullLC.o DMRLC.o DMRLookup.o DMRSlotType.o MMDVMNetwork.o M17Network.o Golay2087.o \ + Golay24128.o Hamming.o Log.o ModeConv.o Mutex.o QR1676.o RS129.o SHA256.o StopWatch.o \ + Sync.o Thread.o Timer.o UDPSocket.o Utils.o MBEVocoder.o codec2/codebooks.o codec2/kiss_fft.o \ + codec2/lpc.o codec2/nlp.o codec2/pack.o codec2/qbase.o codec2/quantise.o codec2/codec2.o DMR2M17.o + +all: DMR2M17 + +DMR2M17: $(OBJECTS) + $(CXX) $(OBJECTS) $(CFLAGS) $(LIBS) -o DMR2M17 -Xlinker --section-start=.firmware=0x0800C000 -Xlinker --section-start=.sram=0x20000000 + +%.o: %.cpp + $(CXX) $(CFLAGS) -c -o $@ $< + +install: + install -m 755 DMR2M17 /usr/local/bin/ + +clean: + $(RM) DMR2M17 *.o *.d *.bak codec2/*.o *~ + diff --git a/DMR2M17/ModeConv.cpp b/DMR2M17/ModeConv.cpp new file mode 100644 index 0000000..d8585a5 --- /dev/null +++ b/DMR2M17/ModeConv.cpp @@ -0,0 +1,781 @@ +/* + * Copyright (C) 2010,2014,2016,2018 by Jonathan Naylor G4KLX + * Copyright (C) 2016 Mathias Weyland, HB9FRV + * Copyright (C) 2018 by Andy Uribe CA6JAU + * Copyright (C) 2020 by Doug McLain AD8DP + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "ModeConv.h" +#include "Golay24128.h" +#include "Utils.h" +#include "Log.h" + +#include +#include +#include + +const unsigned char BIT_MASK_TABLE[] = { 0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U }; + +#define WRITE_BIT(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE[(i)&7]) +#define READ_BIT(p,i) (p[(i)>>3] & BIT_MASK_TABLE[(i)&7]) + +const unsigned int PRNG_TABLE[] = { + 0x42CC47U, 0x19D6FEU, 0x304729U, 0x6B2CD0U, 0x60BF47U, 0x39650EU, 0x7354F1U, 0xEACF60U, 0x819C9FU, 0xDE25CEU, + 0xD7B745U, 0x8CC8B8U, 0x8D592BU, 0xF71257U, 0xBCA084U, 0xA5B329U, 0xEE6AFAU, 0xF7D9A7U, 0xBCC21CU, 0x4712D9U, + 0x4F2922U, 0x14FA37U, 0x5D43ECU, 0x564115U, 0x299A92U, 0x20A9EBU, 0x7B707DU, 0x3BE3A4U, 0x20D95BU, 0x6B085AU, + 0x5233A5U, 0x99A474U, 0xC0EDCBU, 0xCB5F12U, 0x918455U, 0xF897ECU, 0xE32E3BU, 0xAA7CC2U, 0xB1E7C9U, 0xFC561DU, + 0xA70DE6U, 0x8DBE73U, 0xD4F608U, 0x57658DU, 0x0E5E56U, 0x458DABU, 0x7E15B8U, 0x376645U, 0x2DFD86U, 0x64EC3BU, + 0x3F1F60U, 0x3481B4U, 0x4DA00FU, 0x067BCEU, 0x1B68B1U, 0xD19328U, 0xCA03FFU, 0xA31856U, 0xF8EB81U, 0xF9F2F8U, + 0xA26067U, 0xA91BB6U, 0xF19A59U, 0x9A6148U, 0x8372B6U, 0xC8E86FU, 0x9399DCU, 0x1A0291U, 0x619142U, 0x6DE9FFU, + 0x367A2CU, 0x7D2511U, 0x6484DAU, 0x2F1F0FU, 0x1E6DB4U, 0x55F6E1U, 0x0EA70AU, 0x061C96U, 0xDD0E45U, 0xB4D738U, + 0xAF64ABU, 0xE47F42U, 0xFDBE9DU, 0xB684ACU, 0xFE5773U, 0xC1E4A2U, 0x8AFD0DU, 0x932ED4U, 0xD814E3U, 0x81853AU, + 0x225EECU, 0x7A6945U, 0x31A112U, 0x2AB2EBU, 0x630974U, 0x785AB5U, 0x11E3CEU, 0x4A715BU, 0x402AA0U, 0x199B7DU, + 0x16C05EU, 0x6F5283U, 0xA4FB10U, 0xBFA8ECU, 0xF633B7U, 0xEC4012U, 0xADD8C9U, 0xD6EB1CU, 0xDD3027U, 0x84A1FAU, + 0xCF9E19U, 0xD64C80U, 0xBC4557U, 0xA7B62EU, 0x6E2DA1U, 0x311F50U, 0x38C68EU, 0x63D5BFU, 0x486E60U, 0x10BFE1U, + 0x5BAD1EU, 0x4A4647U, 0x0157F0U, 0x7ACC29U, 0x73BEEAU, 0x2825D7U, 0xA0940CU, 0xFBCFF9U, 0xB05C62U, 0x892426U, + 0xC6B3DDU, 0xDF3840U, 0x9449B3U, 0xCED3BEU, 0xE7804DU, 0xBC3B90U, 0xF5AA0BU, 0xE6D17EU, 0x2D43B5U, 0x345A04U, + 0x5EA9DBU, 0x07A202U, 0x0C7134U, 0x45C9FDU, 0x5EDA0AU, 0x310193U, 0x6830C4U, 0x62AA3DU, 0x3B59B2U, 0xB04043U, + 0xEB975CU, 0x82BCADU, 0x912E62U, 0xD8F7FBU, 0x82C489U, 0x895F54U, 0xF00FE7U, 0xFBBC2AU, 0xA2E771U, 0xE956C4U, + 0xF6CD1FU, 0x3F8FEAU, 0x0534E1U, 0x4C653CU, 0x17FE8FU, 0x1C4C52U, 0x4515A1U, 0x2E86A9U, 0x3FBD56U, 0x756C87U, + 0x6ED218U, 0x279179U, 0x7C0AA6U, 0xD53B17U, 0x8EE0C8U, 0x85F291U, 0xD94B36U, 0x9298EFU, 0xAB8318U, 0xE07301U, + 0xBB68DFU, 0xB2CB7CU, 0xE910A5U, 0xE101D2U, 0x92BB4BU, 0x59E8B4U, 0x407175U, 0x0B026AU, 0x12989BU, 0x792944U, + 0x2376EDU, 0x2EF5BAU, 0x758663U, 0x7C1ED5U, 0x078D0CU, 0x4EF6ABU, 0x5567F2U, 0x9F7C29U, 0xC68E9CU, 0xC51747U, + 0xBC6422U, 0xB7EFB9U, 0xECFD44U, 0xA50497U, 0xAF178AU, 0xD68C69U, 0xD97DB5U, 0x82670EU, 0xCBB45BU, 0x508D90U, + 0x190A25U, 0x63F0FEU, 0x68E3C7U, 0x317A10U, 0x3A09D9U, 0x6B926EU, 0x004237U, 0x1B79C8U, 0x53EA59U, 0x48B3B7U, + 0x811166U, 0xDE4A79U, 0xF5F988U, 0xAC6057U, 0xE733FEU, 0xFF89ADU, 0xB49830U, 0x8F4BC3U, 0xC6F00EU, 0x9DA135U, + 0x942FE0U, 0xC71C3BU, 0x4DC78FU, 0x3476C4U, 0x7F6C39U, 0x66BFAAU, 0x298657U, 0x725504U, 0x5B4E89U, 0x01FE72U, + 0x0835A3U, 0x53269CU, 0x189D4DU, 0x01CDC2U, 0xEA763BU, 0xF3A56DU, 0xB0BCD4U, 0xE80F13U, 0xE355CAU, 0x98C47DU, + 0x91AB24U, 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0xE62A8FU, + 0xAD213EU, 0xF6F1E1U, 0xFF4A00U, 0xA4191EU, 0x8D82C7U, 0xD7B330U, 0x9C69A9U, 0x057ACEU, 0x42C357U, 0x2B1088U, + 0x303A79U, 0x7BEB76U, 0x63F087U, 0x284358U, 0x7198E1U, 0x5A88B2U, 0x017B7EU, 0x0860CDU, 0x53F510U, 0x9A0F63U, + 0xA00CFEU, 0xEBB535U, 0xF2E6C0U, 0xB97DDBU, 0xEC0F2EU, 0xE796B5U, 0x9C0578U, 0xD47E0BU, 0xCFEF92U, 0x86F564U, + 0x1D16ADU, 0x768F32U, 0x2FFC43U, 0x24669CU, 0x7C752DU, 0x778CE2U, 0x2E1F9BU, 0x45000CU, 0x5EF0D5U, 0x13FB62U, + 0x40282BU, 0x4811D4U, 0xB38344U, 0xB8789FU, 0xE16BEAU, 0xAAB261U, 0xB38194U, 0xF81B4FU, 0xC2CA52U, 0x8BE1B1U, + 0xD0726CU, 0xD903DFU, 0x829982U, 0xE94A79U, 0x7471FDU, 0x36E026U, 0x2FBA93U, 0x640DC8U, 0x3F1431U, 0x16D7B6U, + 0x4D6C6FU, 0x443C18U, 0x1E8781U, 0x55947EU, 0x6C4FBFU, 0x27FFA0U, 0xBEE451U, 0xF5378FU, 0xAE0E2EU, 0xA2CD71U, + 0xC9D7C8U, 0x98661FU, 0x93BDC6U, 0xC88EE5U, 0xC15438U, 0xBA45C3U, 0xF2FE56U, 0xE9290DU, 0x2230E8U, 0x3B9273U, + 0x70C98FU, 0x0958DCU, 0x02A343U, 0x58B0A2U, 0x150A7DU, 0x0E5BC4U, 0x6FC897U, 0x74F33AU, 0x3F23E9U, 0x66A834U, + 0xECDB0FU, 0xB542DAU, 0x9E5131U, 0xC7ABA5U, 0x8C38FEU, 0x97010BU, 0xDED290U, 0xA4CC7DU, 0xAD3D2EU, 0xF6B6B3U, + 0xF9A540U, 0x205ED9U, 0x634EB6U, 0x5A9567U, 0x11A6D8U, 0x0B3F09U }; + +const unsigned int A_TABLE[] = { 0U, 4U, 8U, 12U, 16U, 20U, 24U, 28U, 32U, 36U, 40U, 44U, + 48U, 52U, 56U, 60U, 64U, 68U, 1U, 5U, 9U, 13U, 17U, 21U }; +const unsigned int B_TABLE[] = { 25U, 29U, 33U, 37U, 41U, 45U, 49U, 53U, 57U, 61U, 65U, 69U, + 2U, 6U, 10U, 14U, 18U, 22U, 26U, 30U, 34U, 38U, 42U }; +const unsigned int C_TABLE[] = { 46U, 50U, 54U, 58U, 62U, 66U, 70U, 3U, 7U, 11U, 15U, 19U, + 23U, 27U, 31U, 35U, 39U, 43U, 47U, 51U, 55U, 59U, 63U, 67U, 71U }; + +const unsigned char AMBE_SILENCE[] = {0xB9U, 0xE8U, 0x81U, 0x52U, 0x61U, 0x73U, 0x00U, 0x2AU, 0x6BU}; + +CModeConv::CModeConv() : +m_m17N(0U), +m_dmrN(0U), +m_M17(5000U, "DMR2M17"), +m_DMR(5000U, "M172DMR"), +m_m17GainMultiplier(1), +m_m17Attenuate(false) +{ + m_mbe = new MBEVocoder(); + m_c2 = new CCodec2(true); +} + +CModeConv::~CModeConv() +{ +} + +void CModeConv::setM17GainAdjDb(std::string dbstring) +{ + float db = std::stof(dbstring); + + float ratio = powf(10.0, (db/10.0)); + if(db < 0){ + ratio = 1/ratio; + m_m17Attenuate = true; + } + m_m17GainMultiplier = (uint16_t)roundf(ratio); +} + +void CModeConv::putDMRHeader() +{ + const uint8_t quiet[] = { 0x00u, 0x01u, 0x43u, 0x09u, 0xe4u, 0x9cu, 0x08u, 0x21u }; + + m_M17.addData(&TAG_HEADER, 1U); + m_M17.addData(quiet, 8U); + m_m17N += 1U; +} + +void CModeConv::putDMREOT() +{ + const uint8_t quiet[] = { 0x00u, 0x01u, 0x43u, 0x09u, 0xe4u, 0x9cu, 0x08u, 0x21u }; + + m_M17.addData(&TAG_EOT, 1U); + m_M17.addData(quiet, 8U); + m_m17N += 1U; +} + +void CModeConv::putDMR(unsigned char* data) +{ + assert(data != NULL); + + int16_t audio[160U]; + uint8_t ambe[9U]; + uint8_t v_ambe[9U]; + uint8_t codec2[8U]; + + ::memset(audio, 0, sizeof(audio)); + ::memset(ambe, 0, sizeof(ambe)); + ::memset(v_ambe, 0, sizeof(v_ambe)); + ::memset(codec2, 0, sizeof(codec2)); + + decode(data, ambe, 0U); + m_mbe->decode_2450(audio, ambe); + m_c2->codec2_encode(codec2, audio); + m_M17.addData(&TAG_DATA, 1U); + m_M17.addData(codec2, 8U); + m_m17N += 1U; + + data += 9U; + for (unsigned int i = 0U; i < 4U; i++) + v_ambe[i] = data[i]; + + v_ambe[4U] = data[4U] & 0xF0; + v_ambe[4U] |= data[10U] & 0x0F; + + for (unsigned int i = 0U; i < 4U; i++) + v_ambe[i + 5U] = data[i + 11U]; + + decode(v_ambe, ambe, 0U); + m_mbe->decode_2450(audio, ambe); + m_c2->codec2_encode(codec2, audio); + m_M17.addData(&TAG_DATA, 1U); + m_M17.addData(codec2, 8U); + m_m17N += 1U; + + data += 15U;; + decode(data, ambe, 0U); + m_mbe->decode_2450(audio, ambe); + m_c2->codec2_encode(codec2, audio); + m_M17.addData(&TAG_DATA, 1U); + m_M17.addData(codec2, 8U); + m_m17N += 1U; +} + +void CModeConv::putM17Header() +{ + unsigned char vch[9U]; + + ::memset(vch, 0, 9U); + + m_DMR.addData(&TAG_HEADER, 1U); + m_DMR.addData(vch, 9U); + m_dmrN += 1U; +} + +void CModeConv::putM17EOT() +{ + unsigned char vch[9U]; + + ::memset(vch, 0, 9U); + + unsigned int fill = 3U - (m_dmrN % 3U); + for (unsigned int i = 0U; i < fill; i++) { + m_DMR.addData(&TAG_DATA, 1U); + m_DMR.addData(AMBE_SILENCE, 9U); + m_dmrN += 1U; + } + + m_DMR.addData(&TAG_EOT, 1U); + m_DMR.addData(vch, 9U); + m_dmrN += 1U; +} + +void CModeConv::putM17(unsigned char* data) +{ + assert(data != NULL); + + int16_t audio[160U]; + int16_t audio_adjusted[160U]; + uint8_t ambe[9U]; + uint8_t codec2[8U]; + uint8_t vch[10U]; + ::memset(audio, 0, sizeof(audio)); + ::memset(ambe, 0, sizeof(ambe)); + + ::memcpy(codec2, &data[36], 8); + m_c2->codec2_decode(audio, codec2); + for(int i = 0; i < 160; ++i){ + m_m17Attenuate ? audio_adjusted[i] = audio[i] / m_m17GainMultiplier : audio[i] * m_m17GainMultiplier; + } + m_mbe->encode_2450(audio_adjusted, ambe); + + encode(ambe, vch, 0U); + m_DMR.addData(&TAG_DATA, 1U); + m_DMR.addData(vch, 9U); + m_dmrN += 1U; + + ::memcpy(codec2, &data[44], 8); + m_c2->codec2_decode(audio, codec2); + for(int i = 0; i < 160; ++i){ + m_m17Attenuate ? audio_adjusted[i] = audio[i] / m_m17GainMultiplier : audio[i] * m_m17GainMultiplier; + } + m_mbe->encode_2450(audio_adjusted, ambe); + + encode(ambe, vch, 0U); + m_DMR.addData(&TAG_DATA, 1U); + m_DMR.addData(vch, 9U); + m_dmrN += 1U; +} + +unsigned int CModeConv::getDMR(unsigned char* data) +{ + unsigned char tmp[9U]; + unsigned char tag[1U]; + + tag[0U] = TAG_NODATA; + + if (m_dmrN >= 1U) { + m_DMR.peek(tag, 1U); + //LogMessage("CModeConv::getDMR %d:%d:%d", m_DMR.isEmpty(), m_dmrN, tag[0]); + if (tag[0U] != TAG_DATA) { + m_DMR.getData(tag, 1U); + m_DMR.getData(data, 9U); + m_dmrN -= 1U; + if(tag[0U] == TAG_EOT){ + m_DMR.clear(); + m_dmrN = 0; + } + return tag[0U]; + } + } + + if (m_dmrN >= 3U) { + m_DMR.getData(tag, 1U); + m_DMR.getData(data, 9U); + m_dmrN -= 1U; + + m_DMR.getData(tag, 1U); + m_DMR.getData(tmp, 9U); + m_dmrN -= 1U; + + ::memcpy(data + 9U, tmp, 4U); + data[13U] = tmp[4U] & 0xF0U; + data[19U] = tmp[4U] & 0x0FU; + ::memcpy(data + 20U, tmp + 5U, 4U); + + m_DMR.getData(tag, 1U); + m_DMR.getData(data + 24U, 9U); + m_dmrN -= 1U; + + return TAG_DATA; + } + else + return TAG_NODATA; +} + +unsigned int CModeConv::getM17(unsigned char* data) +{ + unsigned char tag[2U]; + + tag[0U] = TAG_NODATA; + tag[1U] = TAG_NODATA; + + if (m_m17N >= 2U) { + m_M17.getData(tag, 1U); + m_M17.getData(data, 8U); + m_M17.getData(tag+1, 1U); + m_M17.getData(data+8, 8U); + fprintf(stderr, "getM17() m_m17N:tag1:tag2 == %d:%d:%d\n", m_m17N, tag[0U], tag[1U]); + m_m17N -= 2U; + } + return (tag[1U] == TAG_EOT) ? tag[1U] : tag[0]; +} + +void CModeConv::decode(const unsigned char* in, unsigned char* out, unsigned int offset) const +{ + assert(in != NULL); + assert(out != NULL); + + unsigned int a = 0U; + unsigned int MASK = 0x800000U; + for (unsigned int i = 0U; i < 24U; i++, MASK >>= 1) { + unsigned int aPos = A_TABLE[i]; + if (READ_BIT(in, aPos)) + a |= MASK; + } + + unsigned int b = 0U; + MASK = 0x400000U; + for (unsigned int i = 0U; i < 23U; i++, MASK >>= 1) { + unsigned int bPos = B_TABLE[i]; + if (READ_BIT(in, bPos)) + b |= MASK; + } + + unsigned int c = 0U; + MASK = 0x1000000U; + for (unsigned int i = 0U; i < 25U; i++, MASK >>= 1) { + unsigned int cPos = C_TABLE[i]; + if (READ_BIT(in, cPos)) + c |= MASK; + } + + a >>= 12; + + // The PRNG + b ^= (PRNG_TABLE[a] >> 1); + b >>= 11; + + MASK = 0x000800U; + for (unsigned int i = 0U; i < 12U; i++, MASK >>= 1) { + unsigned int aPos = i + offset + 0U; + unsigned int bPos = i + offset + 12U; + WRITE_BIT(out, aPos, a & MASK); + WRITE_BIT(out, bPos, b & MASK); + } + + MASK = 0x1000000U; + for (unsigned int i = 0U; i < 25U; i++, MASK >>= 1) { + unsigned int cPos = i + offset + 24U; + WRITE_BIT(out, cPos, c & MASK); + } +} + +void CModeConv::encode(const unsigned char* in, unsigned char* out, unsigned int offset) const +{ + assert(in != NULL); + assert(out != NULL); + + unsigned int aOrig = 0U; + unsigned int bOrig = 0U; + unsigned int cOrig = 0U; + + unsigned int MASK = 0x000800U; + for (unsigned int i = 0U; i < 12U; i++, MASK >>= 1) { + unsigned int n1 = i + offset + 0U; + unsigned int n2 = i + offset + 12U; + if (READ_BIT(in, n1)) + aOrig |= MASK; + if (READ_BIT(in, n2)) + bOrig |= MASK; + } + + MASK = 0x1000000U; + for (unsigned int i = 0U; i < 25U; i++, MASK >>= 1) { + unsigned int n = i + offset + 24U; + if (READ_BIT(in, n)) + cOrig |= MASK; + } + + unsigned int a = CGolay24128::encode24128(aOrig); + + // The PRNG + unsigned int p = PRNG_TABLE[aOrig] >> 1; + + unsigned int b = CGolay24128::encode23127(bOrig) >> 1; + b ^= p; + + MASK = 0x800000U; + for (unsigned int i = 0U; i < 24U; i++, MASK >>= 1) { + unsigned int aPos = A_TABLE[i]; + WRITE_BIT(out, aPos, a & MASK); + } + + MASK = 0x400000U; + for (unsigned int i = 0U; i < 23U; i++, MASK >>= 1) { + unsigned int bPos = B_TABLE[i]; + WRITE_BIT(out, bPos, b & MASK); + } + + MASK = 0x1000000U; + for (unsigned int i = 0U; i < 25U; i++, MASK >>= 1) { + unsigned int cPos = C_TABLE[i]; + WRITE_BIT(out, cPos, cOrig & MASK); + } +} diff --git a/DMR2M17/ModeConv.h b/DMR2M17/ModeConv.h new file mode 100644 index 0000000..fcf4151 --- /dev/null +++ b/DMR2M17/ModeConv.h @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2010,2014,2016,2018 by Jonathan Naylor G4KLX + * Copyright (C) 2018 by Andy Uribe CA6JAU + * Copyright (C) 2020 by Doug McLain AD8DP + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "Defines.h" +#include "RingBuffer.h" +#include "MBEVocoder.h" +#include "codec2/codec2.h" + +#if !defined(MODECONV_H) +#define MODECONV_H + +class CModeConv { +public: + CModeConv(); + ~CModeConv(); + + void setM17GainAdjDb(std::string dbstring); + void putDMR(unsigned char* data); + void putDMRHeader(); + void putDMREOT(); + + void putM17(unsigned char* data); + void putM17Header(); + void putM17EOT(); + + unsigned int getM17(unsigned char* data); + unsigned int getDMR(unsigned char* data); + +private: + unsigned int m_m17N; + unsigned int m_dmrN; + CRingBuffer m_M17; + CRingBuffer m_DMR; + MBEVocoder *m_mbe; + CCodec2 *m_c2; + uint16_t m_m17GainMultiplier; + bool m_m17Attenuate; + void encode(const unsigned char* in, unsigned char* out, unsigned int offset) const; + void decode(const unsigned char* in, unsigned char* out, unsigned int offset) const; +}; + +#endif diff --git a/DMR2M17/Mutex.cpp b/DMR2M17/Mutex.cpp new file mode 100644 index 0000000..837e340 --- /dev/null +++ b/DMR2M17/Mutex.cpp @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "Mutex.h" + +#if defined(_WIN32) || defined(_WIN64) + +CMutex::CMutex() : +m_handle() +{ + m_handle = ::CreateMutex(NULL, FALSE, NULL); +} + +CMutex::~CMutex() +{ + ::CloseHandle(m_handle); +} + +void CMutex::lock() +{ + ::WaitForSingleObject(m_handle, INFINITE); +} + +void CMutex::unlock() +{ + ::ReleaseMutex(m_handle); +} + +#else + +CMutex::CMutex() : +m_mutex(PTHREAD_MUTEX_INITIALIZER) +{ +} + +CMutex::~CMutex() +{ +} + +void CMutex::lock() +{ + ::pthread_mutex_lock(&m_mutex); +} + +void CMutex::unlock() +{ + ::pthread_mutex_unlock(&m_mutex); +} + +#endif diff --git a/DMR2M17/Mutex.h b/DMR2M17/Mutex.h new file mode 100644 index 0000000..7ce9f85 --- /dev/null +++ b/DMR2M17/Mutex.h @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(MUTEX_H) +#define MUTEX_H + +#if defined(_WIN32) || defined(_WIN64) +#include +#else +#include +#endif + +class CMutex +{ +public: + CMutex(); + ~CMutex(); + + void lock(); + void unlock(); + +private: +#if defined(_WIN32) || defined(_WIN64) + HANDLE m_handle; +#else + pthread_mutex_t m_mutex; +#endif +}; + +#endif diff --git a/DMR2M17/QR1676.cpp b/DMR2M17/QR1676.cpp new file mode 100644 index 0000000..1548fc5 --- /dev/null +++ b/DMR2M17/QR1676.cpp @@ -0,0 +1,115 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "QR1676.h" +#include "Log.h" + +#include +#include + +const unsigned int ENCODING_TABLE_1676[] = + {0x0000U, 0x0273U, 0x04E5U, 0x0696U, 0x09C9U, 0x0BBAU, 0x0D2CU, 0x0F5FU, 0x11E2U, 0x1391U, 0x1507U, 0x1774U, + 0x182BU, 0x1A58U, 0x1CCEU, 0x1EBDU, 0x21B7U, 0x23C4U, 0x2552U, 0x2721U, 0x287EU, 0x2A0DU, 0x2C9BU, 0x2EE8U, + 0x3055U, 0x3226U, 0x34B0U, 0x36C3U, 0x399CU, 0x3BEFU, 0x3D79U, 0x3F0AU, 0x411EU, 0x436DU, 0x45FBU, 0x4788U, + 0x48D7U, 0x4AA4U, 0x4C32U, 0x4E41U, 0x50FCU, 0x528FU, 0x5419U, 0x566AU, 0x5935U, 0x5B46U, 0x5DD0U, 0x5FA3U, + 0x60A9U, 0x62DAU, 0x644CU, 0x663FU, 0x6960U, 0x6B13U, 0x6D85U, 0x6FF6U, 0x714BU, 0x7338U, 0x75AEU, 0x77DDU, + 0x7882U, 0x7AF1U, 0x7C67U, 0x7E14U, 0x804FU, 0x823CU, 0x84AAU, 0x86D9U, 0x8986U, 0x8BF5U, 0x8D63U, 0x8F10U, + 0x91ADU, 0x93DEU, 0x9548U, 0x973BU, 0x9864U, 0x9A17U, 0x9C81U, 0x9EF2U, 0xA1F8U, 0xA38BU, 0xA51DU, 0xA76EU, + 0xA831U, 0xAA42U, 0xACD4U, 0xAEA7U, 0xB01AU, 0xB269U, 0xB4FFU, 0xB68CU, 0xB9D3U, 0xBBA0U, 0xBD36U, 0xBF45U, + 0xC151U, 0xC322U, 0xC5B4U, 0xC7C7U, 0xC898U, 0xCAEBU, 0xCC7DU, 0xCE0EU, 0xD0B3U, 0xD2C0U, 0xD456U, 0xD625U, + 0xD97AU, 0xDB09U, 0xDD9FU, 0xDFECU, 0xE0E6U, 0xE295U, 0xE403U, 0xE670U, 0xE92FU, 0xEB5CU, 0xEDCAU, 0xEFB9U, + 0xF104U, 0xF377U, 0xF5E1U, 0xF792U, 0xF8CDU, 0xFABEU, 0xFC28U, 0xFE5BU}; + +const unsigned int DECODING_TABLE_1576[] = + {0x0000U, 0x0001U, 0x0002U, 0x0003U, 0x0004U, 0x0005U, 0x0006U, 0x4020U, 0x0008U, 0x0009U, 0x000AU, 0x000BU, + 0x000CU, 0x000DU, 0x2081U, 0x2080U, 0x0010U, 0x0011U, 0x0012U, 0x0013U, 0x0014U, 0x0C00U, 0x0016U, 0x0C02U, + 0x0018U, 0x0120U, 0x001AU, 0x0122U, 0x4102U, 0x0124U, 0x4100U, 0x4101U, 0x0020U, 0x0021U, 0x0022U, 0x4004U, + 0x0024U, 0x4002U, 0x4001U, 0x4000U, 0x0028U, 0x0110U, 0x1800U, 0x1801U, 0x002CU, 0x400AU, 0x4009U, 0x4008U, + 0x0030U, 0x0108U, 0x0240U, 0x0241U, 0x0034U, 0x4012U, 0x4011U, 0x4010U, 0x0101U, 0x0100U, 0x0103U, 0x0102U, + 0x0105U, 0x0104U, 0x1401U, 0x1400U, 0x0040U, 0x0041U, 0x0042U, 0x0043U, 0x0044U, 0x0045U, 0x0046U, 0x4060U, + 0x0048U, 0x0049U, 0x0301U, 0x0300U, 0x004CU, 0x1600U, 0x0305U, 0x0304U, 0x0050U, 0x0051U, 0x0220U, 0x0221U, + 0x3000U, 0x4200U, 0x3002U, 0x4202U, 0x0058U, 0x1082U, 0x1081U, 0x1080U, 0x3008U, 0x4208U, 0x2820U, 0x1084U, + 0x0060U, 0x0061U, 0x0210U, 0x0211U, 0x0480U, 0x0481U, 0x4041U, 0x4040U, 0x0068U, 0x2402U, 0x2401U, 0x2400U, + 0x0488U, 0x3100U, 0x2810U, 0x2404U, 0x0202U, 0x0880U, 0x0200U, 0x0201U, 0x0206U, 0x0884U, 0x0204U, 0x0205U, + 0x0141U, 0x0140U, 0x0208U, 0x0209U, 0x2802U, 0x0144U, 0x2800U, 0x2801U, 0x0080U, 0x0081U, 0x0082U, 0x0A00U, + 0x0084U, 0x0085U, 0x2009U, 0x2008U, 0x0088U, 0x0089U, 0x2005U, 0x2004U, 0x2003U, 0x2002U, 0x2001U, 0x2000U, + 0x0090U, 0x0091U, 0x0092U, 0x1048U, 0x0602U, 0x0C80U, 0x0600U, 0x0601U, 0x0098U, 0x1042U, 0x1041U, 0x1040U, + 0x2013U, 0x2012U, 0x2011U, 0x2010U, 0x00A0U, 0x00A1U, 0x00A2U, 0x4084U, 0x0440U, 0x0441U, 0x4081U, 0x4080U, + 0x6000U, 0x1200U, 0x6002U, 0x1202U, 0x6004U, 0x2022U, 0x2021U, 0x2020U, 0x0841U, 0x0840U, 0x2104U, 0x0842U, + 0x2102U, 0x0844U, 0x2100U, 0x2101U, 0x0181U, 0x0180U, 0x0B00U, 0x0182U, 0x5040U, 0x0184U, 0x2108U, 0x2030U, + 0x00C0U, 0x00C1U, 0x4401U, 0x4400U, 0x0420U, 0x0421U, 0x0422U, 0x4404U, 0x0900U, 0x0901U, 0x1011U, 0x1010U, + 0x0904U, 0x2042U, 0x2041U, 0x2040U, 0x0821U, 0x0820U, 0x1009U, 0x1008U, 0x4802U, 0x0824U, 0x4800U, 0x4801U, + 0x1003U, 0x1002U, 0x1001U, 0x1000U, 0x0501U, 0x0500U, 0x1005U, 0x1004U, 0x0404U, 0x0810U, 0x1100U, 0x1101U, + 0x0400U, 0x0401U, 0x0402U, 0x0403U, 0x040CU, 0x0818U, 0x1108U, 0x1030U, 0x0408U, 0x0409U, 0x040AU, 0x2060U, + 0x0801U, 0x0800U, 0x0280U, 0x0802U, 0x0410U, 0x0804U, 0x0412U, 0x0806U, 0x0809U, 0x0808U, 0x1021U, 0x1020U, + 0x5000U, 0x2200U, 0x5002U, 0x2202U}; + +#define X14 0x00004000 /* vector representation of X^{14} */ +#define X8 0x00000100 /* vector representation of X^{8} */ +#define MASK7 0xffffff00 /* auxiliary vector for testing */ +#define GENPOL 0x00000139 /* generator polinomial, g(x) */ + +unsigned int CQR1676::getSyndrome1576(unsigned int pattern) +/* + * Compute the syndrome corresponding to the given pattern, i.e., the + * remainder after dividing the pattern (when considering it as the vector + * representation of a polynomial) by the generator polynomial, GENPOL. + * In the program this pattern has several meanings: (1) pattern = infomation + * bits, when constructing the encoding table; (2) pattern = error pattern, + * when constructing the decoding table; and (3) pattern = received vector, to + * obtain its syndrome in decoding. + */ +{ + unsigned int aux = X14; + + if (pattern >= X8) { + while (pattern & MASK7) { + while (!(aux & pattern)) + aux = aux >> 1; + + pattern ^= (aux / X8) * GENPOL; + } + } + + return pattern; +} + +// Compute the EMB against a precomputed list of correct words +void CQR1676::encode(unsigned char* data) +{ + assert(data != NULL); + + unsigned int value = (data[0U] >> 1) & 0x7FU; + unsigned int cksum = ENCODING_TABLE_1676[value]; + + data[0U] = cksum >> 8; + data[1U] = cksum & 0xFFU; +} + +unsigned char CQR1676::decode(const unsigned char* data) +{ + assert(data != NULL); + + unsigned int code = (data[0U] << 7) + (data[1U] >> 1); + unsigned int syndrome = getSyndrome1576(code); + unsigned int error_pattern = DECODING_TABLE_1576[syndrome]; + + code ^= error_pattern; + + return code >> 7; +} diff --git a/DMR2M17/QR1676.h b/DMR2M17/QR1676.h new file mode 100644 index 0000000..dac2c0f --- /dev/null +++ b/DMR2M17/QR1676.h @@ -0,0 +1,32 @@ +/* + * Copyright (C) 2015 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef QR1676_H +#define QR1676_H + +class CQR1676 { +public: + static void encode(unsigned char* data); + + static unsigned char decode(const unsigned char* data); + +private: + static unsigned int getSyndrome1576(unsigned int pattern); +}; + +#endif diff --git a/DMR2M17/README.md b/DMR2M17/README.md new file mode 100644 index 0000000..e192994 --- /dev/null +++ b/DMR2M17/README.md @@ -0,0 +1,28 @@ +# Description + +This is the source code of DMR2M17, a software for digital voice conversion from DMR to M17 digital mode, based on Jonathan G4KLX's [MMDVM](https://github.com/g4klx) software. Unlike the other cross mode utilities upon which this is based, this utility performs software transcoding between Codec2(M17) and AMBE+2 2450x1150(DMR). + +You can use this software with MMDVMHost with the default UDP ports: + +MMDVMHost(DMR Mode):62032 <-> 62037:DMR2M17:17000 <-> M17Reflector (mrefd) + +This software is licenced under the GPL v2 and is intended for amateur and educational use only. Use of this software for commercial purposes is strictly forbidden. + +# PiStar specific notes + +An entry needs to be added to /root/DMR_Hosts.txt: +``` +DMR2M17 0000 127.0.0.4 none 62037 +``` +And a custom firewall rule needs to be added by creating a file called /root/ipv4.fw and adding the line: +``` +iptables -A OUTPUT -p udp --dport 17000 -j ACCEPT #M17 Outgoing +``` + +# Building + +This utility is not built with the other cross mode ulitities, and has 1 external dependency: + +md380_vocoder https://github.com/nostar/md380_vocoder + +With this dependency installed, run 'make' from the source directory. diff --git a/DMR2M17/RS129.cpp b/DMR2M17/RS129.cpp new file mode 100644 index 0000000..25d66ba --- /dev/null +++ b/DMR2M17/RS129.cpp @@ -0,0 +1,127 @@ +/* + * Copyright (C) 2015 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "RS129.h" + +#include +#include +#include + +const unsigned int NPAR = 3U; + +/* Generator Polynomial */ +const unsigned char POLY[] = {64U, 56U, 14U, 1U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U}; + +const unsigned char EXP_TABLE[] = { + 0x01U, 0x02U, 0x04U, 0x08U, 0x10U, 0x20U, 0x40U, 0x80U, 0x1DU, 0x3AU, 0x74U, 0xE8U, 0xCDU, 0x87U, 0x13U, 0x26U, + 0x4CU, 0x98U, 0x2DU, 0x5AU, 0xB4U, 0x75U, 0xEAU, 0xC9U, 0x8FU, 0x03U, 0x06U, 0x0CU, 0x18U, 0x30U, 0x60U, 0xC0U, + 0x9DU, 0x27U, 0x4EU, 0x9CU, 0x25U, 0x4AU, 0x94U, 0x35U, 0x6AU, 0xD4U, 0xB5U, 0x77U, 0xEEU, 0xC1U, 0x9FU, 0x23U, + 0x46U, 0x8CU, 0x05U, 0x0AU, 0x14U, 0x28U, 0x50U, 0xA0U, 0x5DU, 0xBAU, 0x69U, 0xD2U, 0xB9U, 0x6FU, 0xDEU, 0xA1U, + 0x5FU, 0xBEU, 0x61U, 0xC2U, 0x99U, 0x2FU, 0x5EU, 0xBCU, 0x65U, 0xCAU, 0x89U, 0x0FU, 0x1EU, 0x3CU, 0x78U, 0xF0U, + 0xFDU, 0xE7U, 0xD3U, 0xBBU, 0x6BU, 0xD6U, 0xB1U, 0x7FU, 0xFEU, 0xE1U, 0xDFU, 0xA3U, 0x5BU, 0xB6U, 0x71U, 0xE2U, + 0xD9U, 0xAFU, 0x43U, 0x86U, 0x11U, 0x22U, 0x44U, 0x88U, 0x0DU, 0x1AU, 0x34U, 0x68U, 0xD0U, 0xBDU, 0x67U, 0xCEU, + 0x81U, 0x1FU, 0x3EU, 0x7CU, 0xF8U, 0xEDU, 0xC7U, 0x93U, 0x3BU, 0x76U, 0xECU, 0xC5U, 0x97U, 0x33U, 0x66U, 0xCCU, + 0x85U, 0x17U, 0x2EU, 0x5CU, 0xB8U, 0x6DU, 0xDAU, 0xA9U, 0x4FU, 0x9EU, 0x21U, 0x42U, 0x84U, 0x15U, 0x2AU, 0x54U, + 0xA8U, 0x4DU, 0x9AU, 0x29U, 0x52U, 0xA4U, 0x55U, 0xAAU, 0x49U, 0x92U, 0x39U, 0x72U, 0xE4U, 0xD5U, 0xB7U, 0x73U, + 0xE6U, 0xD1U, 0xBFU, 0x63U, 0xC6U, 0x91U, 0x3FU, 0x7EU, 0xFCU, 0xE5U, 0xD7U, 0xB3U, 0x7BU, 0xF6U, 0xF1U, 0xFFU, + 0xE3U, 0xDBU, 0xABU, 0x4BU, 0x96U, 0x31U, 0x62U, 0xC4U, 0x95U, 0x37U, 0x6EU, 0xDCU, 0xA5U, 0x57U, 0xAEU, 0x41U, + 0x82U, 0x19U, 0x32U, 0x64U, 0xC8U, 0x8DU, 0x07U, 0x0EU, 0x1CU, 0x38U, 0x70U, 0xE0U, 0xDDU, 0xA7U, 0x53U, 0xA6U, + 0x51U, 0xA2U, 0x59U, 0xB2U, 0x79U, 0xF2U, 0xF9U, 0xEFU, 0xC3U, 0x9BU, 0x2BU, 0x56U, 0xACU, 0x45U, 0x8AU, 0x09U, + 0x12U, 0x24U, 0x48U, 0x90U, 0x3DU, 0x7AU, 0xF4U, 0xF5U, 0xF7U, 0xF3U, 0xFBU, 0xEBU, 0xCBU, 0x8BU, 0x0BU, 0x16U, + 0x2CU, 0x58U, 0xB0U, 0x7DU, 0xFAU, 0xE9U, 0xCFU, 0x83U, 0x1BU, 0x36U, 0x6CU, 0xD8U, 0xADU, 0x47U, 0x8EU, 0x01U, + 0x02U, 0x04U, 0x08U, 0x10U, 0x20U, 0x40U, 0x80U, 0x1DU, 0x3AU, 0x74U, 0xE8U, 0xCDU, 0x87U, 0x13U, 0x26U, 0x4CU, + 0x98U, 0x2DU, 0x5AU, 0xB4U, 0x75U, 0xEAU, 0xC9U, 0x8FU, 0x03U, 0x06U, 0x0CU, 0x18U, 0x30U, 0x60U, 0xC0U, 0x9DU, + 0x27U, 0x4EU, 0x9CU, 0x25U, 0x4AU, 0x94U, 0x35U, 0x6AU, 0xD4U, 0xB5U, 0x77U, 0xEEU, 0xC1U, 0x9FU, 0x23U, 0x46U, + 0x8CU, 0x05U, 0x0AU, 0x14U, 0x28U, 0x50U, 0xA0U, 0x5DU, 0xBAU, 0x69U, 0xD2U, 0xB9U, 0x6FU, 0xDEU, 0xA1U, 0x5FU, + 0xBEU, 0x61U, 0xC2U, 0x99U, 0x2FU, 0x5EU, 0xBCU, 0x65U, 0xCAU, 0x89U, 0x0FU, 0x1EU, 0x3CU, 0x78U, 0xF0U, 0xFDU, + 0xE7U, 0xD3U, 0xBBU, 0x6BU, 0xD6U, 0xB1U, 0x7FU, 0xFEU, 0xE1U, 0xDFU, 0xA3U, 0x5BU, 0xB6U, 0x71U, 0xE2U, 0xD9U, + 0xAFU, 0x43U, 0x86U, 0x11U, 0x22U, 0x44U, 0x88U, 0x0DU, 0x1AU, 0x34U, 0x68U, 0xD0U, 0xBDU, 0x67U, 0xCEU, 0x81U, + 0x1FU, 0x3EU, 0x7CU, 0xF8U, 0xEDU, 0xC7U, 0x93U, 0x3BU, 0x76U, 0xECU, 0xC5U, 0x97U, 0x33U, 0x66U, 0xCCU, 0x85U, + 0x17U, 0x2EU, 0x5CU, 0xB8U, 0x6DU, 0xDAU, 0xA9U, 0x4FU, 0x9EU, 0x21U, 0x42U, 0x84U, 0x15U, 0x2AU, 0x54U, 0xA8U, + 0x4DU, 0x9AU, 0x29U, 0x52U, 0xA4U, 0x55U, 0xAAU, 0x49U, 0x92U, 0x39U, 0x72U, 0xE4U, 0xD5U, 0xB7U, 0x73U, 0xE6U, + 0xD1U, 0xBFU, 0x63U, 0xC6U, 0x91U, 0x3FU, 0x7EU, 0xFCU, 0xE5U, 0xD7U, 0xB3U, 0x7BU, 0xF6U, 0xF1U, 0xFFU, 0xE3U, + 0xDBU, 0xABU, 0x4BU, 0x96U, 0x31U, 0x62U, 0xC4U, 0x95U, 0x37U, 0x6EU, 0xDCU, 0xA5U, 0x57U, 0xAEU, 0x41U, 0x82U, + 0x19U, 0x32U, 0x64U, 0xC8U, 0x8DU, 0x07U, 0x0EU, 0x1CU, 0x38U, 0x70U, 0xE0U, 0xDDU, 0xA7U, 0x53U, 0xA6U, 0x51U, + 0xA2U, 0x59U, 0xB2U, 0x79U, 0xF2U, 0xF9U, 0xEFU, 0xC3U, 0x9BU, 0x2BU, 0x56U, 0xACU, 0x45U, 0x8AU, 0x09U, 0x12U, + 0x24U, 0x48U, 0x90U, 0x3DU, 0x7AU, 0xF4U, 0xF5U, 0xF7U, 0xF3U, 0xFBU, 0xEBU, 0xCBU, 0x8BU, 0x0BU, 0x16U, 0x2CU, + 0x58U, 0xB0U, 0x7DU, 0xFAU, 0xE9U, 0xCFU, 0x83U, 0x1BU, 0x36U, 0x6CU, 0xD8U, 0xADU, 0x47U, 0x8EU, 0x01U, 0x00U}; + +const unsigned char LOG_TABLE[] = { + 0x00U, 0x00U, 0x01U, 0x19U, 0x02U, 0x32U, 0x1AU, 0xC6U, 0x03U, 0xDFU, 0x33U, 0xEEU, 0x1BU, 0x68U, 0xC7U, 0x4BU, + 0x04U, 0x64U, 0xE0U, 0x0EU, 0x34U, 0x8DU, 0xEFU, 0x81U, 0x1CU, 0xC1U, 0x69U, 0xF8U, 0xC8U, 0x08U, 0x4CU, 0x71U, + 0x05U, 0x8AU, 0x65U, 0x2FU, 0xE1U, 0x24U, 0x0FU, 0x21U, 0x35U, 0x93U, 0x8EU, 0xDAU, 0xF0U, 0x12U, 0x82U, 0x45U, + 0x1DU, 0xB5U, 0xC2U, 0x7DU, 0x6AU, 0x27U, 0xF9U, 0xB9U, 0xC9U, 0x9AU, 0x09U, 0x78U, 0x4DU, 0xE4U, 0x72U, 0xA6U, + 0x06U, 0xBFU, 0x8BU, 0x62U, 0x66U, 0xDDU, 0x30U, 0xFDU, 0xE2U, 0x98U, 0x25U, 0xB3U, 0x10U, 0x91U, 0x22U, 0x88U, + 0x36U, 0xD0U, 0x94U, 0xCEU, 0x8FU, 0x96U, 0xDBU, 0xBDU, 0xF1U, 0xD2U, 0x13U, 0x5CU, 0x83U, 0x38U, 0x46U, 0x40U, + 0x1EU, 0x42U, 0xB6U, 0xA3U, 0xC3U, 0x48U, 0x7EU, 0x6EU, 0x6BU, 0x3AU, 0x28U, 0x54U, 0xFAU, 0x85U, 0xBAU, 0x3DU, + 0xCAU, 0x5EU, 0x9BU, 0x9FU, 0x0AU, 0x15U, 0x79U, 0x2BU, 0x4EU, 0xD4U, 0xE5U, 0xACU, 0x73U, 0xF3U, 0xA7U, 0x57U, + 0x07U, 0x70U, 0xC0U, 0xF7U, 0x8CU, 0x80U, 0x63U, 0x0DU, 0x67U, 0x4AU, 0xDEU, 0xEDU, 0x31U, 0xC5U, 0xFEU, 0x18U, + 0xE3U, 0xA5U, 0x99U, 0x77U, 0x26U, 0xB8U, 0xB4U, 0x7CU, 0x11U, 0x44U, 0x92U, 0xD9U, 0x23U, 0x20U, 0x89U, 0x2EU, + 0x37U, 0x3FU, 0xD1U, 0x5BU, 0x95U, 0xBCU, 0xCFU, 0xCDU, 0x90U, 0x87U, 0x97U, 0xB2U, 0xDCU, 0xFCU, 0xBEU, 0x61U, + 0xF2U, 0x56U, 0xD3U, 0xABU, 0x14U, 0x2AU, 0x5DU, 0x9EU, 0x84U, 0x3CU, 0x39U, 0x53U, 0x47U, 0x6DU, 0x41U, 0xA2U, + 0x1FU, 0x2DU, 0x43U, 0xD8U, 0xB7U, 0x7BU, 0xA4U, 0x76U, 0xC4U, 0x17U, 0x49U, 0xECU, 0x7FU, 0x0CU, 0x6FU, 0xF6U, + 0x6CU, 0xA1U, 0x3BU, 0x52U, 0x29U, 0x9DU, 0x55U, 0xAAU, 0xFBU, 0x60U, 0x86U, 0xB1U, 0xBBU, 0xCCU, 0x3EU, 0x5AU, + 0xCBU, 0x59U, 0x5FU, 0xB0U, 0x9CU, 0xA9U, 0xA0U, 0x51U, 0x0BU, 0xF5U, 0x16U, 0xEBU, 0x7AU, 0x75U, 0x2CU, 0xD7U, + 0x4FU, 0xAEU, 0xD5U, 0xE9U, 0xE6U, 0xE7U, 0xADU, 0xE8U, 0x74U, 0xD6U, 0xF4U, 0xEAU, 0xA8U, 0x50U, 0x58U, 0xAFU}; + +/* multiplication using logarithms */ +static unsigned char gmult(unsigned char a, unsigned char b) +{ + if (a == 0U || b == 0U) + return 0U; + + unsigned int i = LOG_TABLE[a]; + unsigned int j = LOG_TABLE[b]; + + return EXP_TABLE[i + j]; +} + +/* Simulate a LFSR with generator polynomial for n byte RS code. + * Pass in a pointer to the data array, and amount of data. + * + * The parity bytes are deposited into parity. + */ +void CRS129::encode(const unsigned char* msg, unsigned int nbytes, unsigned char* parity) +{ + assert(msg != NULL); + assert(parity != NULL); + + for (unsigned int i = 0U; i < NPAR + 1U; i++) + parity[i] = 0x00U; + + for (unsigned int i = 0U; i < nbytes; i++) { + unsigned char dbyte = msg[i] ^ parity[NPAR - 1U]; + + for (int j = NPAR - 1; j > 0; j--) + parity[j] = parity[j - 1] ^ ::gmult(POLY[j], dbyte); + + parity[0] = ::gmult(POLY[0], dbyte); + } +} + +// Reed-Solomon (12,9) check +bool CRS129::check(const unsigned char* in) +{ + assert(in != NULL); + + unsigned char parity[4U]; + encode(in, 9U, parity); + + return in[9U] == parity[2U] && in[10U] == parity[1U] && in[11U] == parity[0U]; +} + diff --git a/DMR2M17/RS129.h b/DMR2M17/RS129.h new file mode 100644 index 0000000..60f99bd --- /dev/null +++ b/DMR2M17/RS129.h @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2015 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(RS129_H) +#define RS129_H + +class CRS129 +{ +public: + static bool check(const unsigned char* in); + + static void encode(const unsigned char* msg, unsigned int nbytes, unsigned char* parity); +}; + +#endif diff --git a/DMR2M17/RingBuffer.h b/DMR2M17/RingBuffer.h new file mode 100644 index 0000000..707de1c --- /dev/null +++ b/DMR2M17/RingBuffer.h @@ -0,0 +1,154 @@ +/* + * Copyright (C) 2006-2009,2012,2013,2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef RingBuffer_H +#define RingBuffer_H + +#include "Log.h" + +#include +#include +#include + +template class CRingBuffer { +public: + CRingBuffer(unsigned int length, const char* name) : + m_length(length), + m_name(name), + m_buffer(NULL), + m_iPtr(0U), + m_oPtr(0U) + { + assert(length > 0U); + assert(name != NULL); + + m_buffer = new T[length]; + + ::memset(m_buffer, 0x00, m_length * sizeof(T)); + } + + ~CRingBuffer() + { + delete[] m_buffer; + } + + bool addData(const T* buffer, unsigned int nSamples) + { + if (nSamples >= freeSpace()) { + LogError("%s buffer overflow, clearing the buffer. (%u >= %u)", m_name, nSamples, freeSpace()); + clear(); + return false; + } + + for (unsigned int i = 0U; i < nSamples; i++) { + m_buffer[m_iPtr++] = buffer[i]; + + if (m_iPtr == m_length) + m_iPtr = 0U; + } + + return true; + } + + bool getData(T* buffer, unsigned int nSamples) + { + if (dataSize() < nSamples) { + LogError("**** Underflow in %s ring buffer, %u < %u", m_name, dataSize(), nSamples); + return false; + } + + for (unsigned int i = 0U; i < nSamples; i++) { + buffer[i] = m_buffer[m_oPtr++]; + + if (m_oPtr == m_length) + m_oPtr = 0U; + } + + return true; + } + + bool peek(T* buffer, unsigned int nSamples) + { + if (dataSize() < nSamples) { + LogError("**** Underflow peek in %s ring buffer, %u < %u", m_name, dataSize(), nSamples); + return false; + } + + unsigned int ptr = m_oPtr; + for (unsigned int i = 0U; i < nSamples; i++) { + buffer[i] = m_buffer[ptr++]; + + if (ptr == m_length) + ptr = 0U; + } + + return true; + } + + void clear() + { + m_iPtr = 0U; + m_oPtr = 0U; + + ::memset(m_buffer, 0x00, m_length * sizeof(T)); + } + + unsigned int freeSpace() const + { + unsigned int len = m_length; + + if (m_oPtr > m_iPtr) + len = m_oPtr - m_iPtr; + else if (m_iPtr > m_oPtr) + len = m_length - (m_iPtr - m_oPtr); + + if (len > m_length) + len = 0U; + + return len; + } + + unsigned int dataSize() const + { + return m_length - freeSpace(); + } + + bool hasSpace(unsigned int length) const + { + return freeSpace() > length; + } + + bool hasData() const + { + return m_oPtr != m_iPtr; + } + + bool isEmpty() const + { + return m_oPtr == m_iPtr; + } + +private: + unsigned int m_length; + const char* m_name; + T* m_buffer; + unsigned int m_iPtr; + unsigned int m_oPtr; +}; + +#endif diff --git a/DMR2M17/SHA256.cpp b/DMR2M17/SHA256.cpp new file mode 100644 index 0000000..b3366e0 --- /dev/null +++ b/DMR2M17/SHA256.cpp @@ -0,0 +1,373 @@ +/* + * Copyright (C) 2005, 2006, 2008 Free Software Foundation, Inc. + * Copyright (C) 2011,2015 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "SHA256.h" + +#include +#include +#include + +#ifdef WORDS_BIGENDIAN +# define SWAP(n) (n) +#else +# define SWAP(n) \ + (((n) << 24) | (((n) & 0xff00) << 8) | (((n) >> 8) & 0xff00) | ((n) >> 24)) +#endif + +#define BLOCKSIZE 4096 +#if BLOCKSIZE % 64 != 0 +# error "invalid BLOCKSIZE" +#endif + +/* This array contains the bytes used to pad the buffer to the next + 64-byte boundary. */ +static const unsigned char fillbuf[64] = { 0x80, 0 /* , 0, 0, ... */ }; + + +/* + Takes a pointer to a 256 bit block of data (eight 32 bit ints) and + intializes it to the start constants of the SHA256 algorithm. This + must be called before using hash in the call to sha256_hash +*/ +CSHA256::CSHA256() : +m_state(NULL), +m_total(NULL), +m_buflen(0U), +m_buffer(NULL) +{ + m_state = new uint32_t[8U]; + m_total = new uint32_t[2U]; + m_buffer = new uint32_t[32U]; + + init(); +} + +CSHA256::~CSHA256() +{ + delete[] m_state; + delete[] m_total; + delete[] m_buffer; +} + +void CSHA256::init() +{ + m_state[0] = 0x6a09e667UL; + m_state[1] = 0xbb67ae85UL; + m_state[2] = 0x3c6ef372UL; + m_state[3] = 0xa54ff53aUL; + m_state[4] = 0x510e527fUL; + m_state[5] = 0x9b05688cUL; + m_state[6] = 0x1f83d9abUL; + m_state[7] = 0x5be0cd19UL; + + m_total[0] = m_total[1] = 0; + m_buflen = 0; +} + +/* Copy the value from v into the memory location pointed to by *cp, + If your architecture allows unaligned access this is equivalent to + * (uint32_t *) cp = v */ +static inline void set_uint32(unsigned char* cp, uint32_t v) +{ + assert(cp != NULL); + + ::memcpy(cp, &v, sizeof v); +} + +/* Put result from CTX in first 32 bytes following RESBUF. The result + must be in little endian byte order. */ +unsigned char* CSHA256::read(unsigned char* resbuf) +{ + assert(resbuf != NULL); + + for (unsigned int i = 0U; i < 8U; i++) + set_uint32(resbuf + i * sizeof(m_state[0]), SWAP(m_state[i])); + + return resbuf; +} + +/* Process the remaining bytes in the internal buffer and the usual + prolog according to the standard and write the result to RESBUF. */ +void CSHA256::conclude() +{ + /* Take yet unprocessed bytes into account. */ + unsigned int bytes = m_buflen; + unsigned int size = (bytes < 56) ? 64 / 4 : 64 * 2 / 4; + + /* Now count remaining bytes. */ + m_total[0] += bytes; + if (m_total[0] < bytes) + ++m_total[1]; + + /* Put the 64-bit file length in *bits* at the end of the buffer. + Use set_uint32 rather than a simple assignment, to avoid risk of + unaligned access. */ + set_uint32((unsigned char*)&m_buffer[size - 2], SWAP((m_total[1] << 3) | (m_total[0] >> 29))); + set_uint32((unsigned char*)&m_buffer[size - 1], SWAP(m_total[0] << 3)); + + ::memcpy(&((char*)m_buffer)[bytes], fillbuf, (size - 2) * 4 - bytes); + + /* Process last bytes. */ + processBlock((unsigned char*)m_buffer, size * 4); +} + +unsigned char* CSHA256::finish(unsigned char* resbuf) +{ + assert(resbuf != NULL); + + conclude(); + + return read(resbuf); +} + +/* Compute SHA256 message digest for LEN bytes beginning at BUFFER. The + result is always in little endian byte order, so that a byte-wise + output yields to the wanted ASCII representation of the message + digest. */ +unsigned char* CSHA256::buffer(const unsigned char* buffer, unsigned int len, unsigned char* resblock) +{ + assert(buffer != NULL); + assert(resblock != NULL); + + /* Initialize the computation context. */ + init(); + + /* Process whole buffer but last len % 64 bytes. */ + processBytes(buffer, len); + + /* Put result in desired memory area. */ + return finish(resblock); +} + +void CSHA256::processBytes(const unsigned char* buffer, unsigned int len) +{ + assert(buffer != NULL); + + /* When we already have some bits in our internal buffer concatenate + both inputs first. */ + if (m_buflen != 0U) { + unsigned int left_over = m_buflen; + unsigned int add = 128U - left_over > len ? len : 128U - left_over; + + ::memcpy(&((char*)m_buffer)[left_over], buffer, add); + m_buflen += add; + + if (m_buflen > 64U) { + processBlock((unsigned char*)m_buffer, m_buflen & ~63U); + + m_buflen &= 63U; + + /* The regions in the following copy operation cannot overlap. */ + ::memcpy(m_buffer, &((char*)m_buffer)[(left_over + add) & ~63U], m_buflen); + } + + buffer += add; + len -= add; + } + + /* Process available complete blocks. */ + if (len >= 64U) { +//#if !_STRING_ARCH_unaligned +//# define alignof(type) offsetof (struct { char c; type x; }, x) +//# define UNALIGNED_P(p) (((unsigned int) p) % alignof (uint32_t) != 0) +// if (UNALIGNED_P (buffer)) { +// while (len > 64U) { +// ::memcpy(m_buffer, buffer, 64U); +// processBlock((unsigned char*)m_buffer, 64U); +// buffer += 64U; +// len -= 64U; +// } +// } else +//#endif + { + processBlock(buffer, len & ~63U); + buffer += (len & ~63U); + len &= 63U; + } + } + + /* Move remaining bytes in internal buffer. */ + if (len > 0U) { + unsigned int left_over = m_buflen; + + ::memcpy(&((char*)m_buffer)[left_over], buffer, len); + left_over += len; + + if (left_over >= 64U) { + processBlock((unsigned char*)m_buffer, 64U); + left_over -= 64U; + ::memcpy(m_buffer, &m_buffer[16], left_over); + } + + m_buflen = left_over; + } +} + +/* --- Code below is the primary difference between sha1.c and sha256.c --- */ + +/* SHA256 round constants */ +#define K(I) roundConstants[I] +static const uint32_t roundConstants[64] = { + 0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, + 0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, + 0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL, + 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL, 0xc19bf174UL, + 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL, + 0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL, + 0x983e5152UL, 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL, + 0xc6e00bf3UL, 0xd5a79147UL, 0x06ca6351UL, 0x14292967UL, + 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL, 0x53380d13UL, + 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL, + 0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL, + 0xd192e819UL, 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL, + 0x19a4c116UL, 0x1e376c08UL, 0x2748774cUL, 0x34b0bcb5UL, + 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL, 0x682e6ff3UL, + 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL, + 0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL, +}; + +/* Round functions. */ +#define F2(A,B,C) ( ( A & B ) | ( C & ( A | B ) ) ) +#define F1(E,F,G) ( G ^ ( E & ( F ^ G ) ) ) + +/* Process LEN bytes of BUFFER, accumulating context into CTX. + It is assumed that LEN % 64 == 0. + Most of this code comes from GnuPG's cipher/sha1.c. */ + +void CSHA256::processBlock(const unsigned char* buffer, unsigned int len) +{ + assert(buffer != NULL); + + const uint32_t* words = (uint32_t*)buffer; + unsigned int nwords = len / sizeof(uint32_t); + const uint32_t* endp = words + nwords; + uint32_t x[16]; + uint32_t a = m_state[0]; + uint32_t b = m_state[1]; + uint32_t c = m_state[2]; + uint32_t d = m_state[3]; + uint32_t e = m_state[4]; + uint32_t f = m_state[5]; + uint32_t g = m_state[6]; + uint32_t h = m_state[7]; + + /* First increment the byte count. FIPS PUB 180-2 specifies the possible + length of the file up to 2^64 bits. Here we only compute the + number of bytes. Do a double word increment. */ + m_total[0] += len; + if (m_total[0] < len) + ++m_total[1]; + + #define rol(x, n) (((x) << (n)) | ((x) >> (32 - (n)))) + #define S0(x) (rol(x,25)^rol(x,14)^(x>>3)) + #define S1(x) (rol(x,15)^rol(x,13)^(x>>10)) + #define SS0(x) (rol(x,30)^rol(x,19)^rol(x,10)) + #define SS1(x) (rol(x,26)^rol(x,21)^rol(x,7)) + + #define M(I) (tm = S1(x[(I-2)&0x0f]) + x[(I-7)&0x0f] + S0(x[(I-15)&0x0f]) + x[I&0x0f], x[I&0x0f] = tm) + + #define R(A,B,C,D,E,F,G,H,K,M) do { t0 = SS0(A) + F2(A,B,C); \ + t1 = H + SS1(E) + F1(E,F,G) + K + M; \ + D += t1; H = t0 + t1; \ + } while(0) + + while (words < endp) { + uint32_t tm; + uint32_t t0, t1; + /* FIXME: see sha1.c for a better implementation. */ + for (unsigned int t = 0U; t < 16U; t++) { + x[t] = SWAP(*words); + words++; + } + + R( a, b, c, d, e, f, g, h, K( 0), x[ 0] ); + R( h, a, b, c, d, e, f, g, K( 1), x[ 1] ); + R( g, h, a, b, c, d, e, f, K( 2), x[ 2] ); + R( f, g, h, a, b, c, d, e, K( 3), x[ 3] ); + R( e, f, g, h, a, b, c, d, K( 4), x[ 4] ); + R( d, e, f, g, h, a, b, c, K( 5), x[ 5] ); + R( c, d, e, f, g, h, a, b, K( 6), x[ 6] ); + R( b, c, d, e, f, g, h, a, K( 7), x[ 7] ); + R( a, b, c, d, e, f, g, h, K( 8), x[ 8] ); + R( h, a, b, c, d, e, f, g, K( 9), x[ 9] ); + R( g, h, a, b, c, d, e, f, K(10), x[10] ); + R( f, g, h, a, b, c, d, e, K(11), x[11] ); + R( e, f, g, h, a, b, c, d, K(12), x[12] ); + R( d, e, f, g, h, a, b, c, K(13), x[13] ); + R( c, d, e, f, g, h, a, b, K(14), x[14] ); + R( b, c, d, e, f, g, h, a, K(15), x[15] ); + R( a, b, c, d, e, f, g, h, K(16), M(16) ); + R( h, a, b, c, d, e, f, g, K(17), M(17) ); + R( g, h, a, b, c, d, e, f, K(18), M(18) ); + R( f, g, h, a, b, c, d, e, K(19), M(19) ); + R( e, f, g, h, a, b, c, d, K(20), M(20) ); + R( d, e, f, g, h, a, b, c, K(21), M(21) ); + R( c, d, e, f, g, h, a, b, K(22), M(22) ); + R( b, c, d, e, f, g, h, a, K(23), M(23) ); + R( a, b, c, d, e, f, g, h, K(24), M(24) ); + R( h, a, b, c, d, e, f, g, K(25), M(25) ); + R( g, h, a, b, c, d, e, f, K(26), M(26) ); + R( f, g, h, a, b, c, d, e, K(27), M(27) ); + R( e, f, g, h, a, b, c, d, K(28), M(28) ); + R( d, e, f, g, h, a, b, c, K(29), M(29) ); + R( c, d, e, f, g, h, a, b, K(30), M(30) ); + R( b, c, d, e, f, g, h, a, K(31), M(31) ); + R( a, b, c, d, e, f, g, h, K(32), M(32) ); + R( h, a, b, c, d, e, f, g, K(33), M(33) ); + R( g, h, a, b, c, d, e, f, K(34), M(34) ); + R( f, g, h, a, b, c, d, e, K(35), M(35) ); + R( e, f, g, h, a, b, c, d, K(36), M(36) ); + R( d, e, f, g, h, a, b, c, K(37), M(37) ); + R( c, d, e, f, g, h, a, b, K(38), M(38) ); + R( b, c, d, e, f, g, h, a, K(39), M(39) ); + R( a, b, c, d, e, f, g, h, K(40), M(40) ); + R( h, a, b, c, d, e, f, g, K(41), M(41) ); + R( g, h, a, b, c, d, e, f, K(42), M(42) ); + R( f, g, h, a, b, c, d, e, K(43), M(43) ); + R( e, f, g, h, a, b, c, d, K(44), M(44) ); + R( d, e, f, g, h, a, b, c, K(45), M(45) ); + R( c, d, e, f, g, h, a, b, K(46), M(46) ); + R( b, c, d, e, f, g, h, a, K(47), M(47) ); + R( a, b, c, d, e, f, g, h, K(48), M(48) ); + R( h, a, b, c, d, e, f, g, K(49), M(49) ); + R( g, h, a, b, c, d, e, f, K(50), M(50) ); + R( f, g, h, a, b, c, d, e, K(51), M(51) ); + R( e, f, g, h, a, b, c, d, K(52), M(52) ); + R( d, e, f, g, h, a, b, c, K(53), M(53) ); + R( c, d, e, f, g, h, a, b, K(54), M(54) ); + R( b, c, d, e, f, g, h, a, K(55), M(55) ); + R( a, b, c, d, e, f, g, h, K(56), M(56) ); + R( h, a, b, c, d, e, f, g, K(57), M(57) ); + R( g, h, a, b, c, d, e, f, K(58), M(58) ); + R( f, g, h, a, b, c, d, e, K(59), M(59) ); + R( e, f, g, h, a, b, c, d, K(60), M(60) ); + R( d, e, f, g, h, a, b, c, K(61), M(61) ); + R( c, d, e, f, g, h, a, b, K(62), M(62) ); + R( b, c, d, e, f, g, h, a, K(63), M(63) ); + + a = m_state[0] += a; + b = m_state[1] += b; + c = m_state[2] += c; + d = m_state[3] += d; + e = m_state[4] += e; + f = m_state[5] += f; + g = m_state[6] += g; + h = m_state[7] += h; + } +} diff --git a/DMR2M17/SHA256.h b/DMR2M17/SHA256.h new file mode 100644 index 0000000..7c48f19 --- /dev/null +++ b/DMR2M17/SHA256.h @@ -0,0 +1,73 @@ +/* + * Copyright (C) 2005, 2006, 2008, 2009 Free Software Foundation, Inc. + * Copyright (C) 2011,2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef SHA256_H +#define SHA256_H + +#include + +enum { + SHA256_DIGEST_SIZE = 256 / 8 +}; + +class CSHA256 { +public: + CSHA256(); + ~CSHA256(); + + /* Starting with the result of former calls of this function (or the + initialization function update the context for the next LEN bytes + starting at BUFFER. + It is necessary that LEN is a multiple of 64!!! */ + void processBlock(const unsigned char* buffer, unsigned int len); + + /* Starting with the result of former calls of this function (or the + initialization function update the context for the next LEN bytes + starting at BUFFER. + It is NOT required that LEN is a multiple of 64. */ + void processBytes(const unsigned char* buffer, unsigned int len); + + /* Process the remaining bytes in the buffer and put result from CTX + in first 32 bytes following RESBUF. The result is always in little + endian byte order, so that a byte-wise output yields to the wanted + ASCII representation of the message digest. */ + unsigned char* finish(unsigned char* resbuf); + + /* Put result from CTX in first 32 bytes following RESBUF. The result is + always in little endian byte order, so that a byte-wise output yields + to the wanted ASCII representation of the message digest. */ + unsigned char* read(unsigned char* resbuf); + + /* Compute SHA256 message digest for LEN bytes beginning at BUFFER. The + result is always in little endian byte order, so that a byte-wise + output yields to the wanted ASCII representation of the message + digest. */ + unsigned char* buffer(const unsigned char* buffer, unsigned int len, unsigned char* resblock); + +private: + uint32_t* m_state; + uint32_t* m_total; + unsigned int m_buflen; + uint32_t* m_buffer; + + void init(); + void conclude(); +}; + +#endif diff --git a/DMR2M17/StopWatch.cpp b/DMR2M17/StopWatch.cpp new file mode 100644 index 0000000..481241b --- /dev/null +++ b/DMR2M17/StopWatch.cpp @@ -0,0 +1,105 @@ +/* + * Copyright (C) 2015,2016,2018 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "StopWatch.h" + +#if defined(_WIN32) || defined(_WIN64) + +CStopWatch::CStopWatch() : +m_frequencyS(), +m_frequencyMS(), +m_start() +{ + ::QueryPerformanceFrequency(&m_frequencyS); + + m_frequencyMS.QuadPart = m_frequencyS.QuadPart / 1000ULL; +} + +CStopWatch::~CStopWatch() +{ +} + +unsigned long long CStopWatch::time() const +{ + LARGE_INTEGER now; + ::QueryPerformanceCounter(&now); + + return (unsigned long long)(now.QuadPart / m_frequencyMS.QuadPart); +} + +unsigned long long CStopWatch::start() +{ + ::QueryPerformanceCounter(&m_start); + + return (unsigned long long)(m_start.QuadPart / m_frequencyS.QuadPart); +} + +unsigned int CStopWatch::elapsed() +{ + LARGE_INTEGER now; + ::QueryPerformanceCounter(&now); + + LARGE_INTEGER temp; + temp.QuadPart = (now.QuadPart - m_start.QuadPart) * 1000; + + return (unsigned int)(temp.QuadPart / m_frequencyS.QuadPart); +} + +#else + +#include +#include + +CStopWatch::CStopWatch() : +m_startMS(0ULL) +{ +} + +CStopWatch::~CStopWatch() +{ +} + +unsigned long long CStopWatch::time() const +{ + struct timeval now; + ::gettimeofday(&now, NULL); + + return now.tv_sec * 1000ULL + now.tv_usec / 1000ULL; +} + +unsigned long long CStopWatch::start() +{ + struct timespec now; + ::clock_gettime(CLOCK_MONOTONIC, &now); + + m_startMS = now.tv_sec * 1000ULL + now.tv_nsec / 1000000ULL; + + return m_startMS; +} + +unsigned int CStopWatch::elapsed() +{ + struct timespec now; + ::clock_gettime(CLOCK_MONOTONIC, &now); + + unsigned long long nowMS = now.tv_sec * 1000ULL + now.tv_nsec / 1000000ULL; + + return nowMS - m_startMS; +} + +#endif diff --git a/DMR2M17/StopWatch.h b/DMR2M17/StopWatch.h new file mode 100644 index 0000000..3f8fa19 --- /dev/null +++ b/DMR2M17/StopWatch.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2015,2016,2018 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(STOPWATCH_H) +#define STOPWATCH_H + +#if defined(_WIN32) || defined(_WIN64) +#include +#else +#include +#endif + +class CStopWatch +{ +public: + CStopWatch(); + ~CStopWatch(); + + unsigned long long time() const; + + unsigned long long start(); + unsigned int elapsed(); + +private: +#if defined(_WIN32) || defined(_WIN64) + LARGE_INTEGER m_frequencyS; + LARGE_INTEGER m_frequencyMS; + LARGE_INTEGER m_start; +#else + unsigned long long m_startMS; +#endif +}; + +#endif diff --git a/DMR2M17/Sync.cpp b/DMR2M17/Sync.cpp new file mode 100644 index 0000000..a6f1fb8 --- /dev/null +++ b/DMR2M17/Sync.cpp @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * Copyright (C) 2018 by Andy Uribe CA6JAU + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "Sync.h" + +#include "DMRDefines.h" + +#include +#include +#include + +void CSync::addDMRDataSync(unsigned char* data, bool duplex) +{ + assert(data != NULL); + + if (duplex) { + for (unsigned int i = 0U; i < 7U; i++) + data[i + 13U] = (data[i + 13U] & ~SYNC_MASK[i]) | BS_SOURCED_DATA_SYNC[i]; + } else { + for (unsigned int i = 0U; i < 7U; i++) + data[i + 13U] = (data[i + 13U] & ~SYNC_MASK[i]) | MS_SOURCED_DATA_SYNC[i]; + } +} + +void CSync::addDMRAudioSync(unsigned char* data, bool duplex) +{ + assert(data != NULL); + + if (duplex) { + for (unsigned int i = 0U; i < 7U; i++) + data[i + 13U] = (data[i + 13U] & ~SYNC_MASK[i]) | BS_SOURCED_AUDIO_SYNC[i]; + } else { + for (unsigned int i = 0U; i < 7U; i++) + data[i + 13U] = (data[i + 13U] & ~SYNC_MASK[i]) | MS_SOURCED_AUDIO_SYNC[i]; + } +} + diff --git a/DMR2M17/Sync.h b/DMR2M17/Sync.h new file mode 100644 index 0000000..8117335 --- /dev/null +++ b/DMR2M17/Sync.h @@ -0,0 +1,32 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * Copyright (C) 2018 by Andy Uribe CA6JAU + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(SYNC_H) +#define SYNC_H + +class CSync +{ +public: + static void addDMRDataSync(unsigned char* data, bool duplex); + static void addDMRAudioSync(unsigned char* data, bool duplex); + +private: +}; + +#endif diff --git a/DMR2M17/Thread.cpp b/DMR2M17/Thread.cpp new file mode 100644 index 0000000..b334436 --- /dev/null +++ b/DMR2M17/Thread.cpp @@ -0,0 +1,101 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "Thread.h" + +#if defined(_WIN32) || defined(_WIN64) + +CThread::CThread() : +m_handle() +{ +} + +CThread::~CThread() +{ +} + +bool CThread::run() +{ + m_handle = ::CreateThread(NULL, 0, &helper, this, 0, NULL); + + return m_handle != NULL; +} + + +void CThread::wait() +{ + ::WaitForSingleObject(m_handle, INFINITE); + + ::CloseHandle(m_handle); +} + + +DWORD CThread::helper(LPVOID arg) +{ + CThread* p = (CThread*)arg; + + p->entry(); + + return 0UL; +} + +void CThread::sleep(unsigned int ms) +{ + ::Sleep(ms); +} + +#else + +#include + +CThread::CThread() : +m_thread() +{ +} + +CThread::~CThread() +{ +} + +bool CThread::run() +{ + return ::pthread_create(&m_thread, NULL, helper, this) == 0; +} + + +void CThread::wait() +{ + ::pthread_join(m_thread, NULL); +} + + +void* CThread::helper(void* arg) +{ + CThread* p = (CThread*)arg; + + p->entry(); + + return NULL; +} + +void CThread::sleep(unsigned int ms) +{ + ::usleep(ms * 1000); +} + +#endif diff --git a/DMR2M17/Thread.h b/DMR2M17/Thread.h new file mode 100644 index 0000000..352d938 --- /dev/null +++ b/DMR2M17/Thread.h @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(THREAD_H) +#define THREAD_H + +#if defined(_WIN32) || defined(_WIN64) +#include +#else +#include +#endif + +class CThread +{ +public: + CThread(); + virtual ~CThread(); + + virtual bool run(); + + virtual void entry() = 0; + + virtual void wait(); + + static void sleep(unsigned int ms); + +private: +#if defined(_WIN32) || defined(_WIN64) + HANDLE m_handle; +#else + pthread_t m_thread; +#endif + +#if defined(_WIN32) || defined(_WIN64) + static DWORD __stdcall helper(LPVOID arg); +#else + static void* helper(void* arg); +#endif +}; + +#endif diff --git a/DMR2M17/Timer.cpp b/DMR2M17/Timer.cpp new file mode 100644 index 0000000..53956e4 --- /dev/null +++ b/DMR2M17/Timer.cpp @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2009,2010,2015 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "Timer.h" + +#include +#include + +CTimer::CTimer(unsigned int ticksPerSec, unsigned int secs, unsigned int msecs) : +m_ticksPerSec(ticksPerSec), +m_timeout(0U), +m_timer(0U) +{ + assert(ticksPerSec > 0U); + + if (secs > 0U || msecs > 0U) { + // m_timeout = ((secs * 1000U + msecs) * m_ticksPerSec) / 1000U + 1U; + unsigned long long temp = (secs * 1000ULL + msecs) * m_ticksPerSec; + m_timeout = (unsigned int)(temp / 1000ULL + 1ULL); + } +} + +CTimer::~CTimer() +{ +} + +void CTimer::setTimeout(unsigned int secs, unsigned int msecs) +{ + if (secs > 0U || msecs > 0U) { + // m_timeout = ((secs * 1000U + msecs) * m_ticksPerSec) / 1000U + 1U; + unsigned long long temp = (secs * 1000ULL + msecs) * m_ticksPerSec; + m_timeout = (unsigned int)(temp / 1000ULL + 1ULL); + } else { + m_timeout = 0U; + m_timer = 0U; + } +} + +unsigned int CTimer::getTimeout() const +{ + if (m_timeout == 0U) + return 0U; + + return (m_timeout - 1U) / m_ticksPerSec; +} + +unsigned int CTimer::getTimer() const +{ + if (m_timer == 0U) + return 0U; + + return (m_timer - 1U) / m_ticksPerSec; +} diff --git a/DMR2M17/Timer.h b/DMR2M17/Timer.h new file mode 100644 index 0000000..87d68f5 --- /dev/null +++ b/DMR2M17/Timer.h @@ -0,0 +1,89 @@ +/* + * Copyright (C) 2009,2010,2011,2014 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef Timer_H +#define Timer_H + +class CTimer { +public: + CTimer(unsigned int ticksPerSec, unsigned int secs = 0U, unsigned int msecs = 0U); + ~CTimer(); + + void setTimeout(unsigned int secs, unsigned int msecs = 0U); + + unsigned int getTimeout() const; + unsigned int getTimer() const; + + unsigned int getRemaining() + { + if (m_timeout == 0U || m_timer == 0U) + return 0U; + + if (m_timer >= m_timeout) + return 0U; + + return (m_timeout - m_timer) / m_ticksPerSec; + } + + bool isRunning() + { + return m_timer > 0U; + } + + void start(unsigned int secs, unsigned int msecs = 0U) + { + setTimeout(secs, msecs); + + start(); + } + + void start() + { + if (m_timeout > 0U) + m_timer = 1U; + } + + void stop() + { + m_timer = 0U; + } + + bool hasExpired() + { + if (m_timeout == 0U || m_timer == 0U) + return false; + + if (m_timer >= m_timeout) + return true; + + return false; + } + + void clock(unsigned int ticks = 1U) + { + if (m_timer > 0U && m_timeout > 0U) + m_timer += ticks; + } + +private: + unsigned int m_ticksPerSec; + unsigned int m_timeout; + unsigned int m_timer; +}; + +#endif diff --git a/DMR2M17/UDPSocket.cpp b/DMR2M17/UDPSocket.cpp new file mode 100644 index 0000000..8d88c62 --- /dev/null +++ b/DMR2M17/UDPSocket.cpp @@ -0,0 +1,212 @@ +/* + * Copyright (C) 2006-2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "UDPSocket.h" +#include "Log.h" +#include +#include +#include + + +CUDPSocket::CUDPSocket(const std::string& address, unsigned int port) : +m_address(address), +m_port(port), +m_fd(-1) +{ + assert(!address.empty()); +} + +CUDPSocket::CUDPSocket(unsigned int port) : +m_address(), +m_port(port), +m_fd(-1) +{ + +} + +CUDPSocket::~CUDPSocket() +{ + +} + +in_addr CUDPSocket::lookup(const std::string& hostname) +{ + in_addr addr; + + in_addr_t address = ::inet_addr(hostname.c_str()); + if (address != in_addr_t(-1)) { + addr.s_addr = address; + LogInfo("inet_addr() returns %x", addr.s_addr); + return addr; + } + + struct hostent* hp = ::gethostbyname(hostname.c_str()); + if (hp != NULL) { + ::memcpy(&addr, hp->h_addr_list[0], sizeof(struct in_addr)); + LogInfo("gethostbyname() returns %x", addr.s_addr); + return addr; + } + + LogError("Cannot find address for host %s", hostname.c_str()); + + addr.s_addr = INADDR_NONE; + return addr; +} + +bool CUDPSocket::open() +{ + m_fd = ::socket(AF_INET, SOCK_DGRAM, 0); + if (m_fd < 0) { + + LogError("Cannot create the UDP socket, err: %d", errno); + return false; + } + + if (m_port > 0U) { + sockaddr_in addr; + ::memset(&addr, 0x00, sizeof(sockaddr_in)); + addr.sin_family = AF_INET; + addr.sin_port = htons(m_port); + addr.sin_addr.s_addr = htonl(INADDR_ANY); + + if (!m_address.empty()) { + + addr.sin_addr.s_addr = ::inet_addr(m_address.c_str()); + + if (addr.sin_addr.s_addr == INADDR_NONE) { + LogError("The local address is invalid - %s", m_address.c_str()); + return false; + } + } + + int reuse = 1; + if (::setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (char *)&reuse, sizeof(reuse)) == -1) { + + LogError("Cannot set the UDP socket option, err: %d", errno); + + return false; + } + + if (::bind(m_fd, (sockaddr*)&addr, sizeof(sockaddr_in)) == -1) { + + LogError("Cannot bind the UDP address, err: %d", errno); + + return false; + } + } + + return true; +} + +int CUDPSocket::read(unsigned char* buffer, unsigned int length, in_addr& address, unsigned int& port) +{ + assert(buffer != NULL); + assert(length > 0U); + + // Check that the readfrom() won't block + fd_set readFds; + FD_ZERO(&readFds); +#if defined(_WIN32) || defined(_WIN64) + FD_SET((unsigned int)m_fd, &readFds); +#else + FD_SET(m_fd, &readFds); +#endif + + // Return immediately + timeval tv; + tv.tv_sec = 0L; + tv.tv_usec = 0L; + + int ret = ::select(m_fd + 1, &readFds, NULL, NULL, &tv); + if (ret < 0) { +#if defined(_WIN32) || defined(_WIN64) + LogError("Error returned from UDP select, err: %lu", ::GetLastError()); +#else + LogError("Error returned from UDP select, err: %d", errno); +#endif + return -1; + } + + if (ret == 0) + return 0; + + sockaddr_in addr; +#if defined(_WIN32) || defined(_WIN64) + int size = sizeof(sockaddr_in); +#else + socklen_t size = sizeof(sockaddr_in); +#endif + +#if defined(_WIN32) || defined(_WIN64) + int len = ::recvfrom(m_fd, (char*)buffer, length, 0, (sockaddr *)&addr, &size); +#else + ssize_t len = ::recvfrom(m_fd, (char*)buffer, length, 0, (sockaddr *)&addr, &size); +#endif + if (len <= 0) { +#if defined(_WIN32) || defined(_WIN64) + LogError("Error returned from recvfrom, err: %lu", ::GetLastError()); +#else + LogError("Error returned from recvfrom, err: %d", errno); +#endif + return -1; + } + + address = addr.sin_addr; + port = ntohs(addr.sin_port); + + return len; +} + +bool CUDPSocket::write(const unsigned char* buffer, unsigned int length, const in_addr& address, unsigned int port) +{ + assert(buffer != NULL); + assert(length > 0U); + + sockaddr_in addr; + ::memset(&addr, 0x00, sizeof(sockaddr_in)); + + addr.sin_family = AF_INET; + addr.sin_addr = address; + addr.sin_port = htons(port); + + + ssize_t ret = ::sendto(m_fd, (char *)buffer, length, 0, (sockaddr *)&addr, sizeof(sockaddr_in)); + + if (ret < 0) { + + LogError("Error returned from sendto, err: %d", errno); + + return false; + } + + + if (ret != ssize_t(length)) + return false; + + + return true; +} + +void CUDPSocket::close() +{ +#if defined(_WIN32) || defined(_WIN64) + ::closesocket(m_fd); +#else + ::close(m_fd); +#endif +} diff --git a/DMR2M17/UDPSocket.h b/DMR2M17/UDPSocket.h new file mode 100644 index 0000000..c68c11e --- /dev/null +++ b/DMR2M17/UDPSocket.h @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2009-2011,2013,2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef UDPSocket_H +#define UDPSocket_H + +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +class CUDPSocket { +public: + CUDPSocket(const std::string& address, unsigned int port = 0U); + CUDPSocket(unsigned int port = 0U); + ~CUDPSocket(); + + bool open(); + + int read(unsigned char* buffer, unsigned int length, in_addr& address, unsigned int& port); + bool write(const unsigned char* buffer, unsigned int length, const in_addr& address, unsigned int port); + + void close(); + + static in_addr lookup(const std::string& hostName); + +private: + std::string m_address; + unsigned short m_port; + int m_fd; +}; + +#endif diff --git a/DMR2M17/Utils.cpp b/DMR2M17/Utils.cpp new file mode 100644 index 0000000..49ded13 --- /dev/null +++ b/DMR2M17/Utils.cpp @@ -0,0 +1,146 @@ +/* + * Copyright (C) 2009,2014,2015,2016 Jonathan Naylor, G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "Utils.h" +#include "Log.h" + +#include +#include + +void CUtils::dump(const std::string& title, const unsigned char* data, unsigned int length) +{ + assert(data != NULL); + + dump(2U, title, data, length); +} + +void CUtils::dump(int level, const std::string& title, const unsigned char* data, unsigned int length) +{ + assert(data != NULL); + + ::Log(level, "%s", title.c_str()); + + unsigned int offset = 0U; + + while (length > 0U) { + std::string output; + + unsigned int bytes = (length > 16U) ? 16U : length; + + for (unsigned i = 0U; i < bytes; i++) { + char temp[10U]; + ::sprintf(temp, "%02X ", data[offset + i]); + output += temp; + } + + for (unsigned int i = bytes; i < 16U; i++) + output += " "; + + output += " *"; + + for (unsigned i = 0U; i < bytes; i++) { + unsigned char c = data[offset + i]; + + if (::isprint(c)) + output += c; + else + output += '.'; + } + + output += '*'; + + ::Log(level, "%04X: %s", offset, output.c_str()); + + offset += 16U; + + if (length >= 16U) + length -= 16U; + else + length = 0U; + } +} + +void CUtils::dump(const std::string& title, const bool* bits, unsigned int length) +{ + assert(bits != NULL); + + dump(2U, title, bits, length); +} + +void CUtils::dump(int level, const std::string& title, const bool* bits, unsigned int length) +{ + assert(bits != NULL); + + unsigned char bytes[100U]; + unsigned int nBytes = 0U; + for (unsigned int n = 0U; n < length; n += 8U, nBytes++) + bitsToByteBE(bits + n, bytes[nBytes]); + + dump(level, title, bytes, nBytes); +} + +void CUtils::byteToBitsBE(unsigned char byte, bool* bits) +{ + assert(bits != NULL); + + bits[0U] = (byte & 0x80U) == 0x80U; + bits[1U] = (byte & 0x40U) == 0x40U; + bits[2U] = (byte & 0x20U) == 0x20U; + bits[3U] = (byte & 0x10U) == 0x10U; + bits[4U] = (byte & 0x08U) == 0x08U; + bits[5U] = (byte & 0x04U) == 0x04U; + bits[6U] = (byte & 0x02U) == 0x02U; + bits[7U] = (byte & 0x01U) == 0x01U; +} + +void CUtils::byteToBitsLE(unsigned char byte, bool* bits) +{ + assert(bits != NULL); + + bits[0U] = (byte & 0x01U) == 0x01U; + bits[1U] = (byte & 0x02U) == 0x02U; + bits[2U] = (byte & 0x04U) == 0x04U; + bits[3U] = (byte & 0x08U) == 0x08U; + bits[4U] = (byte & 0x10U) == 0x10U; + bits[5U] = (byte & 0x20U) == 0x20U; + bits[6U] = (byte & 0x40U) == 0x40U; + bits[7U] = (byte & 0x80U) == 0x80U; +} + +void CUtils::bitsToByteBE(const bool* bits, unsigned char& byte) +{ + assert(bits != NULL); + + byte = bits[0U] ? 0x80U : 0x00U; + byte |= bits[1U] ? 0x40U : 0x00U; + byte |= bits[2U] ? 0x20U : 0x00U; + byte |= bits[3U] ? 0x10U : 0x00U; + byte |= bits[4U] ? 0x08U : 0x00U; + byte |= bits[5U] ? 0x04U : 0x00U; + byte |= bits[6U] ? 0x02U : 0x00U; + byte |= bits[7U] ? 0x01U : 0x00U; +} + +void CUtils::bitsToByteLE(const bool* bits, unsigned char& byte) +{ + assert(bits != NULL); + + byte = bits[0U] ? 0x01U : 0x00U; + byte |= bits[1U] ? 0x02U : 0x00U; + byte |= bits[2U] ? 0x04U : 0x00U; + byte |= bits[3U] ? 0x08U : 0x00U; + byte |= bits[4U] ? 0x10U : 0x00U; + byte |= bits[5U] ? 0x20U : 0x00U; + byte |= bits[6U] ? 0x40U : 0x00U; + byte |= bits[7U] ? 0x80U : 0x00U; +} diff --git a/DMR2M17/Utils.h b/DMR2M17/Utils.h new file mode 100644 index 0000000..ade28c0 --- /dev/null +++ b/DMR2M17/Utils.h @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2009,2014,2015 by Jonathan Naylor, G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef Utils_H +#define Utils_H + +#include + +class CUtils { +public: + static void dump(const std::string& title, const unsigned char* data, unsigned int length); + static void dump(int level, const std::string& title, const unsigned char* data, unsigned int length); + + static void dump(const std::string& title, const bool* bits, unsigned int length); + static void dump(int level, const std::string& title, const bool* bits, unsigned int length); + + static void byteToBitsBE(unsigned char byte, bool* bits); + static void byteToBitsLE(unsigned char byte, bool* bits); + + static void bitsToByteBE(const bool* bits, unsigned char& byte); + static void bitsToByteLE(const bool* bits, unsigned char& byte); + +private: +}; + +#endif diff --git a/DMR2M17/Version.h b/DMR2M17/Version.h new file mode 100644 index 0000000..759c9f0 --- /dev/null +++ b/DMR2M17/Version.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX + * Copyright (C) 2018 by Andy Uribe CA6JAU + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(VERSION_H) +#define VERSION_H + +const char* VERSION = "20200621"; + +#endif diff --git a/DMR2M17/codec2/codebooks.cpp b/DMR2M17/codec2/codebooks.cpp new file mode 100644 index 0000000..bf319ce --- /dev/null +++ b/DMR2M17/codec2/codebooks.cpp @@ -0,0 +1,964 @@ +/* + * This intermediary file and the files that used to create it are under + * The LGPL. See the file COPYING. + */ + +#include "defines.h" + +/* codebook/lsp1.txt */ +static float codes00[] = +{ + 225, + 250, + 275, + 300, + 325, + 350, + 375, + 400, + 425, + 450, + 475, + 500, + 525, + 550, + 575, + 600 +}; +/* codebook/lsp2.txt */ +static float codes01[] = +{ + 325, + 350, + 375, + 400, + 425, + 450, + 475, + 500, + 525, + 550, + 575, + 600, + 625, + 650, + 675, + 700 +}; +/* codebook/lsp3.txt */ +static float codes02[] = +{ + 500, + 550, + 600, + 650, + 700, + 750, + 800, + 850, + 900, + 950, + 1000, + 1050, + 1100, + 1150, + 1200, + 1250 +}; +/* codebook/lsp4.txt */ +static float codes03[] = +{ + 700, + 800, + 900, + 1000, + 1100, + 1200, + 1300, + 1400, + 1500, + 1600, + 1700, + 1800, + 1900, + 2000, + 2100, + 2200 +}; +/* codebook/lsp5.txt */ +static float codes04[] = +{ + 950, + 1050, + 1150, + 1250, + 1350, + 1450, + 1550, + 1650, + 1750, + 1850, + 1950, + 2050, + 2150, + 2250, + 2350, + 2450 +}; +/* codebook/lsp6.txt */ +static float codes05[] = +{ + 1100, + 1200, + 1300, + 1400, + 1500, + 1600, + 1700, + 1800, + 1900, + 2000, + 2100, + 2200, + 2300, + 2400, + 2500, + 2600 +}; +/* codebook/lsp7.txt */ +static float codes06[] = +{ + 1500, + 1600, + 1700, + 1800, + 1900, + 2000, + 2100, + 2200, + 2300, + 2400, + 2500, + 2600, + 2700, + 2800, + 2900, + 3000 +}; +/* codebook/lsp8.txt */ +static float codes07[] = +{ + 2300, + 2400, + 2500, + 2600, + 2700, + 2800, + 2900, + 3000 +}; +/* codebook/lsp9.txt */ +static float codes08[] = +{ + 2500, + 2600, + 2700, + 2800, + 2900, + 3000, + 3100, + 3200 +}; +/* codebook/lsp10.txt */ +static float codes09[] = +{ + 2900, + 3100, + 3300, + 3500 +}; + +const struct lsp_codebook lsp_cb[] = +{ + /* codebook/lsp1.txt */ + { + 1, + 4, + 16, + codes00 + }, + /* codebook/lsp2.txt */ + { + 1, + 4, + 16, + codes01 + }, + /* codebook/lsp3.txt */ + { + 1, + 4, + 16, + codes02 + }, + /* codebook/lsp4.txt */ + { + 1, + 4, + 16, + codes03 + }, + /* codebook/lsp5.txt */ + { + 1, + 4, + 16, + codes04 + }, + /* codebook/lsp6.txt */ + { + 1, + 4, + 16, + codes05 + }, + /* codebook/lsp7.txt */ + { + 1, + 4, + 16, + codes06 + }, + /* codebook/lsp8.txt */ + { + 1, + 3, + 8, + codes07 + }, + /* codebook/lsp9.txt */ + { + 1, + 3, + 8, + codes08 + }, + /* codebook/lsp10.txt */ + { + 1, + 2, + 4, + codes09 + }, + { 0, 0, 0, 0 } +}; + +/* codebook/dlsp1.txt */ +static float codes10[] = +{ + 25, + 50, + 75, + 100, + 125, + 150, + 175, + 200, + 225, + 250, + 275, + 300, + 325, + 350, + 375, + 400, + 425, + 450, + 475, + 500, + 525, + 550, + 575, + 600, + 625, + 650, + 675, + 700, + 725, + 750, + 775, + 800 +}; +/* codebook/dlsp2.txt */ +static float codes11[] = +{ + 25, + 50, + 75, + 100, + 125, + 150, + 175, + 200, + 225, + 250, + 275, + 300, + 325, + 350, + 375, + 400, + 425, + 450, + 475, + 500, + 525, + 550, + 575, + 600, + 625, + 650, + 675, + 700, + 725, + 750, + 775, + 800 +}; +/* codebook/dlsp3.txt */ +static float codes12[] = +{ + 25, + 50, + 75, + 100, + 125, + 150, + 175, + 200, + 225, + 250, + 275, + 300, + 325, + 350, + 375, + 400, + 425, + 450, + 475, + 500, + 525, + 550, + 575, + 600, + 625, + 650, + 675, + 700, + 725, + 750, + 775, + 800 +}; +/* codebook/dlsp4.txt */ +static float codes13[] = +{ + 25, + 50, + 75, + 100, + 125, + 150, + 175, + 200, + 250, + 300, + 350, + 400, + 450, + 500, + 550, + 600, + 650, + 700, + 750, + 800, + 850, + 900, + 950, + 1000, + 1050, + 1100, + 1150, + 1200, + 1250, + 1300, + 1350, + 1400 +}; +/* codebook/dlsp5.txt */ +static float codes14[] = +{ + 25, + 50, + 75, + 100, + 125, + 150, + 175, + 200, + 250, + 300, + 350, + 400, + 450, + 500, + 550, + 600, + 650, + 700, + 750, + 800, + 850, + 900, + 950, + 1000, + 1050, + 1100, + 1150, + 1200, + 1250, + 1300, + 1350, + 1400 +}; +/* codebook/dlsp6.txt */ +static float codes15[] = +{ + 25, + 50, + 75, + 100, + 125, + 150, + 175, + 200, + 250, + 300, + 350, + 400, + 450, + 500, + 550, + 600, + 650, + 700, + 750, + 800, + 850, + 900, + 950, + 1000, + 1050, + 1100, + 1150, + 1200, + 1250, + 1300, + 1350, + 1400 +}; +/* codebook/dlsp7.txt */ +static float codes16[] = +{ + 25, + 50, + 75, + 100, + 125, + 150, + 175, + 200, + 225, + 250, + 275, + 300, + 325, + 350, + 375, + 400, + 425, + 450, + 475, + 500, + 525, + 550, + 575, + 600, + 625, + 650, + 675, + 700, + 725, + 750, + 775, + 800 +}; +/* codebook/dlsp8.txt */ +static float codes17[] = +{ + 25, + 50, + 75, + 100, + 125, + 150, + 175, + 200, + 225, + 250, + 275, + 300, + 325, + 350, + 375, + 400, + 425, + 450, + 475, + 500, + 525, + 550, + 575, + 600, + 625, + 650, + 675, + 700, + 725, + 750, + 775, + 800 +}; +/* codebook/dlsp9.txt */ +static float codes18[] = +{ + 25, + 50, + 75, + 100, + 125, + 150, + 175, + 200, + 225, + 250, + 275, + 300, + 325, + 350, + 375, + 400, + 425, + 450, + 475, + 500, + 525, + 550, + 575, + 600, + 625, + 650, + 675, + 700, + 725, + 750, + 775, + 800 +}; +/* codebook/dlsp10.txt */ +static float codes19[] = +{ + 25, + 50, + 75, + 100, + 125, + 150, + 175, + 200, + 225, + 250, + 275, + 300, + 325, + 350, + 375, + 400, + 425, + 450, + 475, + 500, + 525, + 550, + 575, + 600, + 625, + 650, + 675, + 700, + 725, + 750, + 775, + 800 +}; + +const struct lsp_codebook lsp_cbd[] = +{ + /* codebook/dlsp1.txt */ + { + 1, + 5, + 32, + codes10 + }, + /* codebook/dlsp2.txt */ + { + 1, + 5, + 32, + codes11 + }, + /* codebook/dlsp3.txt */ + { + 1, + 5, + 32, + codes12 + }, + /* codebook/dlsp4.txt */ + { + 1, + 5, + 32, + codes13 + }, + /* codebook/dlsp5.txt */ + { + 1, + 5, + 32, + codes14 + }, + /* codebook/dlsp6.txt */ + { + 1, + 5, + 32, + codes15 + }, + /* codebook/dlsp7.txt */ + { + 1, + 5, + 32, + codes16 + }, + /* codebook/dlsp8.txt */ + { + 1, + 5, + 32, + codes17 + }, + /* codebook/dlsp9.txt */ + { + 1, + 5, + 32, + codes18 + }, + /* codebook/dlsp10.txt */ + { + 1, + 5, + 32, + codes19 + }, + { 0, 0, 0, 0 } +}; + + +/* codebook/gecb.txt */ +static float codes30[] = +{ + 2.71, 12.0184, + 0.04675, -2.73881, + 0.120993, 8.38895, + -1.58028, -0.892307, + 1.19307, -1.91561, + 0.187101, -3.27679, + 0.332251, -7.66455, + -1.47944, 31.2461, + 1.52761, 27.7095, + -0.524379, 5.25012, + 0.55333, 7.4388, + -0.843451, -1.95299, + 2.26389, 8.61029, + 0.143143, 2.36549, + 0.616506, 1.28427, + -1.71133, 22.0967, + 1.00813, 17.3965, + -0.106718, 1.41891, + -0.136246, 14.2736, + -1.70909, -20.5319, + 1.65787, -3.39107, + 0.138049, -4.95785, + 0.536729, -1.94375, + 0.196307, 36.8519, + 1.27248, 22.5565, + -0.670219, -1.90604, + 0.382092, 6.40113, + -0.756911, -4.90102, + 1.82931, 4.6138, + 0.318794, 0.73683, + 0.612815, -2.07505, + -0.410151, 24.7871, + 1.77602, 13.1909, + 0.106457, -0.104492, + 0.192206, 10.1838, + -1.82442, -7.71565, + 0.931346, 4.34835, + 0.308813, -4.086, + 0.397143, -11.8089, + -0.048715, 41.2273, + 0.877342, 35.8503, + -0.759794, 0.476634, + 0.978593, 7.67467, + -1.19506, 3.03883, + 2.63989, -3.41106, + 0.191127, 3.60351, + 0.402932, 1.0843, + -2.15202, 18.1076, + 1.5468, 8.32271, + -0.143089, -4.07592, + -0.150142, 5.86674, + -1.40844, -3.2507, + 1.56615, -10.4132, + 0.178171, -10.2267, + 0.362164, -0.028556, + -0.070125, 24.3907, + 0.594752, 17.4828, + -0.28698, -6.90407, + 0.464818, 10.2055, + -1.00684, -14.3572, + 2.32957, -3.69161, + 0.335745, 2.40714, + 1.01966, -3.15565, + -1.25945, 7.9919, + 2.38369, 19.6806, + -0.094947, -2.41374, + 0.20933, 6.66477, + -2.22103, 1.37986, + 1.29239, 2.04633, + 0.243626, -0.890741, + 0.428773, -7.19366, + -1.11374, 41.3414, + 2.6098, 31.1405, + -0.446468, 2.53419, + 0.490104, 4.62757, + -1.11723, -3.24174, + 1.79156, 8.41493, + 0.156012, 0.183336, + 0.532447, 3.15455, + -0.764484, 18.514, + 0.952395, 11.7713, + -0.332567, 0.346987, + 0.202165, 14.7168, + -2.12924, -15.559, + 1.35358, -1.92679, + -0.010963, -16.3364, + 0.399053, -2.79057, + 0.750657, 31.1483, + 0.655743, 24.4819, + -0.45321, -0.735879, + 0.2869, 6.5467, + -0.715673, -12.3578, + 1.54849, 3.87217, + 0.271874, 0.802339, + 0.502073, -4.85485, + -0.497037, 17.7619, + 1.19116, 13.9544, + 0.01563, 1.33157, + 0.341867, 8.93537, + -2.31601, -5.39506, + 0.75861, 1.9645, + 0.24132, -3.23769, + 0.267151, -11.2344, + -0.273126, 32.6248, + 1.75352, 40.432, + -0.784011, 3.04576, + 0.705987, 5.66118, + -1.3864, 1.35356, + 2.37646, 1.67485, + 0.242973, 4.73218, + 0.491227, 0.354061, + -1.60676, 8.65895, + 1.16711, 5.9871, + -0.137601, -12.0417, + -0.251375, 10.3972, + -1.43151, -8.90411, + 0.98828, -13.209, + 0.261484, -6.35497, + 0.395932, -0.702529, + 0.283704, 26.8996, + 0.420959, 15.4418, + -0.355804, -13.7278, + 0.527372, 12.3985, + -1.16956, -15.9985, + 1.90669, -5.81605, + 0.354492, 3.85157, + 0.82576, -4.16264, + -0.49019, 13.0572, + 2.25577, 13.5264, + -0.004956, -3.23713, + 0.026709, 7.86645, + -1.81037, -0.451183, + 1.08383, -0.18362, + 0.135836, -2.26658, + 0.375812, -5.51225, + -1.96644, 38.6829, + 1.97799, 24.5655, + -0.704656, 6.35881, + 0.480786, 7.05175, + -0.976417, -2.42273, + 2.50215, 6.75935, + 0.083588, 3.2588, + 0.543629, 0.910013, + -1.23196, 23.0915, + 0.785492, 14.807, + -0.213554, 1.688, + 0.004748, 18.1718, + -1.54719, -16.1168, + 1.50104, -3.28114, + 0.080133, -4.63472, + 0.476592, -2.18093, + 0.44247, 40.304, + 1.07277, 27.592, + -0.594738, -4.16681, + 0.42248, 7.61609, + -0.927521, -7.27441, + 1.99162, 1.29636, + 0.291307, 2.39878, + 0.721081, -1.95062, + -0.804256, 24.9295, + 1.64839, 19.1197, + 0.060852, -0.590639, + 0.266085, 9.10325, + -1.9574, -2.88461, + 1.11693, 2.6724, + 0.35458, -2.74854, + 0.330733, -14.1561, + -0.527851, 39.5756, + 0.991152, 43.195, + -0.589619, 1.26919, + 0.787401, 8.73071, + -1.0138, 1.02507, + 2.8254, 1.89538, + 0.24089, 2.74557, + 0.427195, 2.54446, + -1.95311, 12.244, + 1.44862, 12.0607, + -0.210492, -3.37906, + -0.056713, 10.204, + -1.65237, -5.10274, + 1.29475, -12.2708, + 0.111608, -8.67592, + 0.326634, -1.16763, + 0.021781, 31.1258, + 0.455335, 21.4684, + -0.37544, -3.37121, + 0.39362, 11.302, + -0.851456, -19.4149, + 2.10703, -2.22886, + 0.373233, 1.92406, + 0.884438, -1.72058, + -0.975127, 9.84013, + 2.0033, 17.3954, + -0.036915, -1.11137, + 0.148456, 5.39997, + -1.91441, 4.77382, + 1.44791, 0.537122, + 0.194979, -1.03818, + 0.495771, -9.95502, + -1.05899, 32.9471, + 2.01122, 32.4544, + -0.30965, 4.71911, + 0.436082, 4.63552, + -1.23711, -1.25428, + 2.02274, 9.42834, + 0.190342, 1.46077, + 0.479017, 2.48479, + -1.07848, 16.2217, + 1.20764, 9.65421, + -0.258087, -1.67236, + 0.071852, 13.416, + -1.87723, -16.072, + 1.28957, -4.87118, + 0.067713, -13.4427, + 0.435551, -4.1655, + 0.46614, 30.5895, + 0.904895, 21.598, + -0.518369, -2.53205, + 0.337363, 5.63726, + -0.554975, -17.4005, + 1.69188, 1.14574, + 0.227934, 0.889297, + 0.587303, -5.72973, + -0.262133, 18.6666, + 1.39505, 17.0029, + -0.01909, 4.30838, + 0.304235, 12.6699, + -2.07406, -6.46084, + 0.920546, 1.21296, + 0.284927, -1.78547, + 0.209724, -16.024, + -0.636067, 31.5768, + 1.34989, 34.6775, + -0.971625, 5.30086, + 0.590249, 4.44971, + -1.56787, 3.60239, + 2.1455, 4.51666, + 0.296022, 4.12017, + 0.445299, 0.868772, + -1.44193, 14.1284, + 1.35575, 6.0074, + -0.012814, -7.49657, + -0.43, 8.50012, + -1.20469, -7.11326, + 1.10102, -6.83682, + 0.196463, -6.234, + 0.436747, -1.12979, + 0.141052, 22.8549, + 0.290821, 18.8114, + -0.529536, -7.73251, + 0.63428, 10.7898, + -1.33472, -20.3258, + 1.81564, -1.90332, + 0.394778, 3.79758, + 0.732682, -8.18382, + -0.741244, 11.7683 +}; + +const struct lsp_codebook ge_cb[] = +{ + /* codebook/gecb.txt */ + { + 2, + 8, + 256, + codes30 + }, + { 0, 0, 0, 0 } +}; diff --git a/DMR2M17/codec2/codec2.cpp b/DMR2M17/codec2/codec2.cpp new file mode 100644 index 0000000..9418633 --- /dev/null +++ b/DMR2M17/codec2/codec2.cpp @@ -0,0 +1,1745 @@ +/*---------------------------------------------------------------------------*\ + + FILE........: codec2.c + AUTHOR......: David Rowe + DATE CREATED: 21/8/2010 + + Codec2 fully quantised encoder and decoder functions. If you want use + codec2, the codec2_xxx functions are for you. + +\*---------------------------------------------------------------------------*/ + +/* + Copyright (C) 2010 David Rowe + + All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License version 2.1, as + published by the free Software Foundation. This program is + distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, see . +*/ + +#include +#include +#include +#include +#include +#include + +#include "nlp.h" +#include "lpc.h" +#include "quantise.h" +#include "codec2.h" +#include "codec2_internal.h" + +#define HPF_BETA 0.125 +#define BPF_N 101 + +CKissFFT kiss; + +/*---------------------------------------------------------------------------* \ + + FUNCTION HEADERS + +\*---------------------------------------------------------------------------*/ + + + + +/*---------------------------------------------------------------------------*\ + + FUNCTIONS + +\*---------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------*\ + + FUNCTION....: codec2_create + AUTHOR......: David Rowe + DATE CREATED: 21/8/2010 + + Create and initialise an instance of the codec. Returns a pointer + to the codec states or NULL on failure. One set of states is + sufficient for a full duuplex codec (i.e. an encoder and decoder). + You don't need separate states for encoders and decoders. See + c2enc.c and c2dec.c for examples. + +\*---------------------------------------------------------------------------*/ + +CCodec2::CCodec2(bool is_3200) +{ + c2.mode = is_3200 ? 3200 : 1600; + + /* store constants in a few places for convenience */ + + c2.c2const = c2const_create(8000, N_S); + c2.Fs = c2.c2const.Fs; + int n_samp = c2.n_samp = c2.c2const.n_samp; + int m_pitch = c2.m_pitch = c2.c2const.m_pitch; + + c2.Pn.resize(2*n_samp); + c2.Sn_.resize(2*n_samp); + c2.w.resize(m_pitch); + c2.Sn.resize(m_pitch); + + for(int i=0; i Aw[FFT_ENC]; + + /* only need to zero these out due to (unused) snr calculation */ + + for(i=0; i<2; i++) + for(j=1; j<=MAX_AMP; j++) + model[i].A[j] = 0.0; + + /* unpack bits from channel ------------------------------------*/ + + /* this will partially fill the model params for the 2 x 10ms + frames */ + + model[0].voiced = qt.unpack(bits, &nbit, 1); + model[1].voiced = qt.unpack(bits, &nbit, 1); + + Wo_index = qt.unpack(bits, &nbit, WO_BITS); + model[1].Wo = qt.decode_Wo(&c2.c2const, Wo_index, WO_BITS); + model[1].L = PI/model[1].Wo; + + e_index = qt.unpack(bits, &nbit, E_BITS); + e[1] = qt.decode_energy(e_index, E_BITS); + + for(i=0; i Aw[FFT_ENC]; + + /* only need to zero these out due to (unused) snr calculation */ + + for(i=0; i<4; i++) + for(j=1; j<=MAX_AMP; j++) + model[i].A[j] = 0.0; + + /* unpack bits from channel ------------------------------------*/ + + /* this will partially fill the model params for the 4 x 10ms + frames */ + + model[0].voiced = qt.unpack(bits, &nbit, 1); + + model[1].voiced = qt.unpack(bits, &nbit, 1); + Wo_index = qt.unpack(bits, &nbit, WO_BITS); + model[1].Wo = qt.decode_Wo(&c2.c2const, Wo_index, WO_BITS); + model[1].L = PI/model[1].Wo; + + e_index = qt.unpack(bits, &nbit, E_BITS); + e[1] = qt.decode_energy(e_index, E_BITS); + + model[2].voiced = qt.unpack(bits, &nbit, 1); + + model[3].voiced = qt.unpack(bits, &nbit, 1); + Wo_index = qt.unpack(bits, &nbit, WO_BITS); + model[3].Wo = qt.decode_Wo(&c2.c2const, Wo_index, WO_BITS); + model[3].L = PI/model[3].Wo; + + e_index = qt.unpack(bits, &nbit, E_BITS); + e[3] = qt.decode_energy(e_index, E_BITS); + + for(i=0; i Aw[], float gain) +{ + int i; + + /* LPC based phase synthesis */ + std::complex H[MAX_AMP+1]; + sample_phase(model, H, Aw); + phase_synth_zero_order(c2.n_samp, model, &c2.ex_phase, H); + + postfilter(model, &c2.bg_est); + synthesise(c2.n_samp, &(c2.fftr_inv_cfg), c2.Sn_.data(), model, c2.Pn.data(), 1); + + for(i=0; i 32767.0) + speech[i] = 32767; + else if (c2.Sn_[i] < -32767.0) + speech[i] = -32767; + else + speech[i] = c2.Sn_[i]; + } + +} + + +/*---------------------------------------------------------------------------* \ + + FUNCTION....: analyse_one_frame() + AUTHOR......: David Rowe + DATE CREATED: 23/8/2010 + + Extract sinusoidal model parameters from 80 speech samples (10ms of + speech). + +\*---------------------------------------------------------------------------*/ + +void CCodec2::analyse_one_frame(MODEL *model, const short *speech) +{ + std::complex Sw[FFT_ENC]; + float pitch; + int i; + int n_samp = c2.n_samp; + int m_pitch = c2.m_pitch; + + /* Read input speech */ + + for(i=0; iWo = TWO_PI/pitch; + model->L = PI/model->Wo; + + /* estimate model parameters */ + two_stage_pitch_refinement(&c2.c2const, model, Sw); + + /* estimate phases when doing ML experiments */ + estimate_amplitudes(model, Sw, 0); + est_voicing_mbe(&c2.c2const, model, Sw, c2.W); +} + + +/*---------------------------------------------------------------------------* \ + + FUNCTION....: ear_protection() + AUTHOR......: David Rowe + DATE CREATED: Nov 7 2012 + + Limits output level to protect ears when there are bit errors or the input + is overdriven. This doesn't correct or mask bit errors, just reduces the + worst of their damage. + +\*---------------------------------------------------------------------------*/ + +void CCodec2::ear_protection(float in_out[], int n) +{ + float max_sample, over, gain; + int i; + + /* find maximum sample in frame */ + + max_sample = 0.0; + for(i=0; i max_sample) + max_sample = in_out[i]; + + /* determine how far above set point */ + + over = max_sample/30000.0; + + /* If we are x dB over set point we reduce level by 2x dB, this + attenuates major excursions in amplitude (likely to be caused + by bit errors) more than smaller ones */ + + if (over > 1.0) + { + gain = 1.0/(over*over); + for(i=0; i H[], + std::complex A[] /* LPC analysis filter in freq domain */ +) +{ + int m, b; + float r; + + r = TWO_PI/(FFT_ENC); + + /* Sample phase at harmonics */ + + for(m=1; m<=model->L; m++) + { + b = (int)(m*model->Wo/r + 0.5); + H[m] = std::conj(A[b]); + } +} + + +/*---------------------------------------------------------------------------*\ + + phase_synth_zero_order() + + Synthesises phases based on SNR and a rule based approach. No phase + parameters are required apart from the SNR (which can be reduced to a + 1 bit V/UV decision per frame). + + The phase of each harmonic is modelled as the phase of a synthesis + filter excited by an impulse. In many Codec 2 modes the synthesis + filter is a LPC filter. Unlike the first order model the position + of the impulse is not transmitted, so we create an excitation pulse + train using a rule based approach. + + Consider a pulse train with a pulse starting time n=0, with pulses + repeated at a rate of Wo, the fundamental frequency. A pulse train + in the time domain is equivalent to harmonics in the frequency + domain. We can make an excitation pulse train using a sum of + sinsusoids: + + for(m=1; m<=L; m++) + ex[n] = cos(m*Wo*n) + + Note: the Octave script ../octave/phase.m is an example of this if + you would like to try making a pulse train. + + The phase of each excitation harmonic is: + + arg(E[m]) = mWo + + where E[m] are the complex excitation (freq domain) samples, + arg(x), just returns the phase of a complex sample x. + + As we don't transmit the pulse position for this model, we need to + synthesise it. Now the excitation pulses occur at a rate of Wo. + This means the phase of the first harmonic advances by N_SAMP samples + over a synthesis frame of N_SAMP samples. For example if Wo is pi/20 + (200 Hz), then over a 10ms frame (N_SAMP=80 samples), the phase of the + first harmonic would advance (pi/20)*80 = 4*pi or two complete + cycles. + + We generate the excitation phase of the fundamental (first + harmonic): + + arg[E[1]] = Wo*N_SAMP; + + We then relate the phase of the m-th excitation harmonic to the + phase of the fundamental as: + + arg(E[m]) = m*arg(E[1]) + + This E[m] then gets passed through the LPC synthesis filter to + determine the final harmonic phase. + + Comparing to speech synthesised using original phases: + + - Through headphones speech synthesised with this model is not as + good. Through a loudspeaker it is very close to original phases. + + - If there are voicing errors, the speech can sound clicky or + staticy. If V speech is mistakenly declared UV, this model tends to + synthesise impulses or clicks, as there is usually very little shift or + dispersion through the LPC synthesis filter. + + - When combined with LPC amplitude modelling there is an additional + drop in quality. I am not sure why, theory is interformant energy + is raised making any phase errors more obvious. + + NOTES: + + 1/ This synthesis model is effectively the same as a simple LPC-10 + vocoders, and yet sounds much better. Why? Conventional wisdom + (AMBE, MELP) says mixed voicing is required for high quality + speech. + + 2/ I am pretty sure the Lincoln Lab sinusoidal coding guys (like xMBE + also from MIT) first described this zero phase model, I need to look + up the paper. + + 3/ Note that this approach could cause some discontinuities in + the phase at the edge of synthesis frames, as no attempt is made + to make sure that the phase tracks are continuous (the excitation + phases are continuous, but not the final phases after filtering + by the LPC spectra). Technically this is a bad thing. However + this may actually be a good thing, disturbing the phase tracks a + bit. More research needed, e.g. test a synthesis model that adds + a small delta-W to make phase tracks line up for voiced + harmonics. + +\*---------------------------------------------------------------------------*/ + +void CCodec2::phase_synth_zero_order( + int n_samp, + MODEL *model, + float *ex_phase, /* excitation phase of fundamental */ + std::complex H[] /* L synthesis filter freq domain samples */ + +) +{ + int m; + float new_phi; + std::complex Ex[MAX_AMP+1]; /* excitation samples */ + std::complex A_[MAX_AMP+1]; /* synthesised harmonic samples */ + + /* + Update excitation fundamental phase track, this sets the position + of each pitch pulse during voiced speech. After much experiment + I found that using just this frame's Wo improved quality for UV + sounds compared to interpolating two frames Wo like this: + + ex_phase[0] += (*prev_Wo+model->Wo)*N_SAMP/2; + */ + + ex_phase[0] += (model->Wo)*n_samp; + ex_phase[0] -= TWO_PI*floorf(ex_phase[0]/TWO_PI + 0.5); + + for(m=1; m<=model->L; m++) + { + + /* generate excitation */ + + if (model->voiced) + { + Ex[m] = std::polar(1.0f, ex_phase[0] * m); + } + else + { + + /* When a few samples were tested I found that LPC filter + phase is not needed in the unvoiced case, but no harm in + keeping it. + */ + float phi = TWO_PI*(float)codec2_rand()/CODEC2_RAND_MAX; + Ex[m] = std::polar(1.0f, phi); + } + + /* filter using LPC filter */ + + A_[m].real(H[m].real() * Ex[m].real() - H[m].imag() * Ex[m].imag()); + A_[m].imag(H[m].imag() * Ex[m].real() + H[m].real() * Ex[m].imag()); + + /* modify sinusoidal phase */ + + new_phi = atan2f(A_[m].imag(), A_[m].real()+1E-12); + model->phi[m] = new_phi; + } + +} + +/*---------------------------------------------------------------------------*\ + + postfilter() + + The post filter is designed to help with speech corrupted by + background noise. The zero phase model tends to make speech with + background noise sound "clicky". With high levels of background + noise the low level inter-formant parts of the spectrum will contain + noise rather than speech harmonics, so modelling them as voiced + (i.e. a continuous, non-random phase track) is inaccurate. + + Some codecs (like MBE) have a mixed voicing model that breaks the + spectrum into voiced and unvoiced regions. Several bits/frame + (5-12) are required to transmit the frequency selective voicing + information. Mixed excitation also requires accurate voicing + estimation (parameter estimators always break occasionally under + exceptional conditions). + + In our case we use a post filter approach which requires no + additional bits to be transmitted. The decoder measures the average + level of the background noise during unvoiced frames. If a harmonic + is less than this level it is made unvoiced by randomising it's + phases. + + This idea is rather experimental. Some potential problems that may + happen: + + 1/ If someone says "aaaaaaaahhhhhhhhh" will background estimator track + up to speech level? This would be a bad thing. + + 2/ If background noise suddenly dissapears from the source speech does + estimate drop quickly? What is noise suddenly re-appears? + + 3/ Background noise with a non-flat sepctrum. Current algorithm just + comsiders spectrum as a whole, but this could be broken up into + bands, each with their own estimator. + + 4/ Males and females with the same level of background noise. Check + performance the same. Changing Wo affects width of each band, may + affect bg energy estimates. + + 5/ Not sure what happens during long periods of voiced speech + e.g. "sshhhhhhh" + +\*---------------------------------------------------------------------------*/ + +#define BG_THRESH 40.0 // only consider low levels signals for bg_est +#define BG_BETA 0.1 // averaging filter constant +#define BG_MARGIN 6.0 // harmonics this far above BG noise are + // randomised. Helped make bg noise less + // spikey (impulsive) for mmt1, but speech was + // perhaps a little rougher. + +void CCodec2::postfilter( MODEL *model, float *bg_est ) +{ + int m, uv; + float e, thresh; + + /* determine average energy across spectrum */ + + e = 1E-12; + for(m=1; m<=model->L; m++) + e += model->A[m]*model->A[m]; + + assert(e > 0.0); + e = 10.0*log10f(e/model->L); + + /* If beneath threhold, update bg estimate. The idea + of the threshold is to prevent updating during high level + speech. */ + + if ((e < BG_THRESH) && !model->voiced) + *bg_est = *bg_est*(1.0 - BG_BETA) + e*BG_BETA; + + /* now mess with phases during voiced frames to make any harmonics + less then our background estimate unvoiced. + */ + + uv = 0; + thresh = exp10f((*bg_est + BG_MARGIN)/20.0); + if (model->voiced) + for(m=1; m<=model->L; m++) + if (model->A[m] < thresh) + { + model->phi[m] = (TWO_PI/CODEC2_RAND_MAX)*(float)codec2_rand(); + uv++; + } +} + +C2CONST CCodec2::c2const_create(int Fs, float framelength_s) +{ + C2CONST c2const; + + assert((Fs == 8000) || (Fs = 16000)); + c2const.Fs = Fs; + c2const.n_samp = round(Fs*framelength_s); + c2const.max_amp = floor(Fs*P_MAX_S/2); + c2const.p_min = floor(Fs*P_MIN_S); + c2const.p_max = floor(Fs*P_MAX_S); + c2const.m_pitch = floor(Fs*M_PITCH_S); + c2const.Wo_min = TWO_PI/c2const.p_max; + c2const.Wo_max = TWO_PI/c2const.p_min; + + if (Fs == 8000) + { + c2const.nw = 279; + } + else + { + c2const.nw = 511; /* actually a bit shorter in time but lets us maintain constant FFT size */ + } + + c2const.tw = Fs*TW_S; + + /* + fprintf(stderr, "max_amp: %d m_pitch: %d\n", c2const.n_samp, c2const.m_pitch); + fprintf(stderr, "p_min: %d p_max: %d\n", c2const.p_min, c2const.p_max); + fprintf(stderr, "Wo_min: %f Wo_max: %f\n", c2const.Wo_min, c2const.Wo_max); + fprintf(stderr, "nw: %d tw: %d\n", c2const.nw, c2const.tw); + */ + + return c2const; +} + +/*---------------------------------------------------------------------------*\ + + FUNCTION....: make_analysis_window + AUTHOR......: David Rowe + DATE CREATED: 11/5/94 + + Init function that generates the time domain analysis window and it's DFT. + +\*---------------------------------------------------------------------------*/ + +void CCodec2::make_analysis_window(C2CONST *c2const, FFT_STATE *fft_fwd_cfg, float w[], float W[]) +{ + float m; + std::complex wshift[FFT_ENC]; + int i,j; + int m_pitch = c2const->m_pitch; + int nw = c2const->nw; + + /* + Generate Hamming window centered on M-sample pitch analysis window + + 0 M/2 M-1 + |-------------|-------------| + |-------|-------| + nw samples + + All our analysis/synthsis is centred on the M/2 sample. + */ + + m = 0.0; + for(i=0; i temp[FFT_ENC]; + + for(i=0; i(0.0f, 0.0f); + } + for(i=0; i Sw[], float Sn[], float w[]) +{ + int i; + int m_pitch = c2const->m_pitch; + int nw = c2const->nw; + + for(i=0; i(0.0f, 0.0f); + } + + /* Centre analysis window on time axis, we need to arrange input + to FFT this way to make FFT phases correct */ + + /* move 2nd half to start of FFT input vector */ + + for(i=0; i Sw[]) +{ + float pmin,pmax,pstep; /* pitch refinment minimum, maximum and step */ + + /* Coarse refinement */ + + pmax = TWO_PI/model->Wo + 5; + pmin = TWO_PI/model->Wo - 5; + pstep = 1.0; + hs_pitch_refinement(model, Sw, pmin, pmax, pstep); + + /* Fine refinement */ + + pmax = TWO_PI/model->Wo + 1; + pmin = TWO_PI/model->Wo - 1; + pstep = 0.25; + hs_pitch_refinement(model,Sw,pmin,pmax,pstep); + + /* Limit range */ + + if (model->Wo < TWO_PI/c2const->p_max) + model->Wo = TWO_PI/c2const->p_max; + if (model->Wo > TWO_PI/c2const->p_min) + model->Wo = TWO_PI/c2const->p_min; + + model->L = floorf(PI/model->Wo); + + /* trap occasional round off issues with floorf() */ + if (model->Wo*model->L >= 0.95*PI) + { + model->L--; + } + assert(model->Wo*model->L < PI); +} + +/*---------------------------------------------------------------------------*\ + + FUNCTION....: hs_pitch_refinement + AUTHOR......: David Rowe + DATE CREATED: 27/5/94 + + Harmonic sum pitch refinement function. + + pmin pitch search range minimum + pmax pitch search range maximum + step pitch search step size + model current pitch estimate in model.Wo + + model refined pitch estimate in model.Wo + +\*---------------------------------------------------------------------------*/ + +void CCodec2::hs_pitch_refinement(MODEL *model, std::complex Sw[], float pmin, float pmax, float pstep) +{ + int m; /* loop variable */ + int b; /* bin for current harmonic centre */ + float E; /* energy for current pitch*/ + float Wo; /* current "test" fundamental freq. */ + float Wom; /* Wo that maximises E */ + float Em; /* mamimum energy */ + float r, one_on_r; /* number of rads/bin */ + float p; /* current pitch */ + + /* Initialisation */ + + model->L = PI/model->Wo; /* use initial pitch est. for L */ + Wom = model->Wo; + Em = 0.0; + r = TWO_PI/FFT_ENC; + one_on_r = 1.0/r; + + /* Determine harmonic sum for a range of Wo values */ + + for(p=pmin; p<=pmax; p+=pstep) + { + E = 0.0; + Wo = TWO_PI/p; + + /* Sum harmonic magnitudes */ + for(m=1; m<=model->L; m++) + { + b = (int)(m*Wo*one_on_r + 0.5); + E += Sw[b].real() * Sw[b].real() + Sw[b].imag() * Sw[b].imag(); + } + /* Compare to see if this is a maximum */ + + if (E > Em) + { + Em = E; + Wom = Wo; + } + } + + model->Wo = Wom; +} + +/*---------------------------------------------------------------------------*\ + + FUNCTION....: estimate_amplitudes + AUTHOR......: David Rowe + DATE CREATED: 27/5/94 + + Estimates the complex amplitudes of the harmonics. + +\*---------------------------------------------------------------------------*/ + +void CCodec2::estimate_amplitudes(MODEL *model, std::complex Sw[], int est_phase) +{ + int i,m; /* loop variables */ + int am,bm; /* bounds of current harmonic */ + float den; /* denominator of amplitude expression */ + + float r = TWO_PI/FFT_ENC; + float one_on_r = 1.0/r; + + for(m=1; m<=model->L; m++) + { + /* Estimate ampltude of harmonic */ + + den = 0.0; + am = (int)((m - 0.5)*model->Wo*one_on_r + 0.5); + bm = (int)((m + 0.5)*model->Wo*one_on_r + 0.5); + + for(i=am; iA[m] = sqrtf(den); + + if (est_phase) + { + int b = (int)(m*model->Wo/r + 0.5); /* DFT bin of centre of current harmonic */ + + /* Estimate phase of harmonic, this is expensive in CPU for + embedded devicesso we make it an option */ + + model->phi[m] = atan2f(Sw[b].imag(), Sw[b].real()); + } + } +} + +/*---------------------------------------------------------------------------*\ + + est_voicing_mbe() + + Returns the error of the MBE cost function for a fiven F0. + + Note: I think a lot of the operations below can be simplified as + W[].imag = 0 and has been normalised such that den always equals 1. + +\*---------------------------------------------------------------------------*/ + +float CCodec2::est_voicing_mbe( C2CONST *c2const, MODEL *model, std::complex Sw[], float W[]) +{ + int l,al,bl,m; /* loop variables */ + std::complex Am; /* amplitude sample for this band */ + int offset; /* centers Hw[] about current harmonic */ + float den; /* denominator of Am expression */ + float error; /* accumulated error between original and synthesised */ + float Wo; + float sig, snr; + float elow, ehigh, eratio; + float sixty; + std::complex Ew(0, 0); + + int l_1000hz = model->L*1000.0/(c2const->Fs/2); + sig = 1E-4; + for(l=1; l<=l_1000hz; l++) + { + sig += model->A[l]*model->A[l]; + } + + Wo = model->Wo; + error = 1E-4; + + /* Just test across the harmonics in the first 1000 Hz */ + + for(l=1; l<=l_1000hz; l++) + { + Am = std::complex(0.0f, 0.0f); + den = 0.0; + al = ceilf((l - 0.5)*Wo*FFT_ENC/TWO_PI); + bl = ceilf((l + 0.5)*Wo*FFT_ENC/TWO_PI); + + /* Estimate amplitude of harmonic assuming harmonic is totally voiced */ + + offset = FFT_ENC/2 - l*Wo*FFT_ENC/TWO_PI + 0.5; + for(m=al; m V_THRESH) + model->voiced = 1; + else + model->voiced = 0; + + /* post processing, helps clean up some voicing errors ------------------*/ + + /* + Determine the ratio of low freqency to high frequency energy, + voiced speech tends to be dominated by low frequency energy, + unvoiced by high frequency. This measure can be used to + determine if we have made any gross errors. + */ + + int l_2000hz = model->L*2000.0/(c2const->Fs/2); + int l_4000hz = model->L*4000.0/(c2const->Fs/2); + elow = ehigh = 1E-4; + for(l=1; l<=l_2000hz; l++) + { + elow += model->A[l]*model->A[l]; + } + for(l=l_2000hz; l<=l_4000hz; l++) + { + ehigh += model->A[l]*model->A[l]; + } + eratio = 10.0*log10f(elow/ehigh); + + /* Look for Type 1 errors, strongly V speech that has been + accidentally declared UV */ + + if (model->voiced == 0) + if (eratio > 10.0) + model->voiced = 1; + + /* Look for Type 2 errors, strongly UV speech that has been + accidentally declared V */ + + if (model->voiced == 1) + { + if (eratio < -10.0) + model->voiced = 0; + + /* A common source of Type 2 errors is the pitch estimator + gives a low (50Hz) estimate for UV speech, which gives a + good match with noise due to the close harmoonic spacing. + These errors are much more common than people with 50Hz3 + pitch, so we have just a small eratio threshold. */ + + sixty = 60.0*TWO_PI/c2const->Fs; + if ((eratio < -4.0) && (model->Wo <= sixty)) + model->voiced = 0; + } + //printf(" v: %d snr: %f eratio: %3.2f %f\n",model->voiced,snr,eratio,dF0); + + return snr; +} + +/*---------------------------------------------------------------------------*\ + + FUNCTION....: make_synthesis_window + AUTHOR......: David Rowe + DATE CREATED: 11/5/94 + + Init function that generates the trapezoidal (Parzen) sythesis window. + +\*---------------------------------------------------------------------------*/ + +void CCodec2::make_synthesis_window(C2CONST *c2const, float Pn[]) +{ + int i; + float win; + int n_samp = c2const->n_samp; + int tw = c2const->tw; + + /* Generate Parzen window in time domain */ + + win = 0.0; + for(i=0; i Sw_[FFT_DEC/2+1]; /* DFT of synthesised signal */ + float sw_[FFT_DEC]; /* synthesised signal */ + + if (shift) + { + /* Update memories */ + for(i=0; iL; l++) + { + b = (int)(l*model->Wo*FFT_DEC/TWO_PI + 0.5); + if (b > ((FFT_DEC/2)-1)) + { + b = (FFT_DEC/2)-1; + } + Sw_[b] = std::polar(model->A[l], model->phi[l]); + } + + /* Perform inverse DFT */ + + kiss.fftri(*fftr_inv_cfg, Sw_,sw_); + + /* Overlap add to previous samples */ + + for(i=0; ivoiced && !prev->voiced && !next->voiced) + { + interp->voiced = 0; + } + + /* Wo depends on voicing of this and adjacent frames */ + + if (interp->voiced) + { + if (prev->voiced && next->voiced) + interp->Wo = (1.0 - weight)*prev->Wo + weight*next->Wo; + if (!prev->voiced && next->voiced) + interp->Wo = next->Wo; + if (prev->voiced && !next->voiced) + interp->Wo = prev->Wo; + } + else + { + interp->Wo = Wo_min; + } + interp->L = PI/interp->Wo; +} + +/*---------------------------------------------------------------------------*\ + + FUNCTION....: interp_energy() + AUTHOR......: David Rowe + DATE CREATED: 22 May 2012 + + Interpolates centre 10ms sample of energy given two samples 20ms + apart. + +\*---------------------------------------------------------------------------*/ + +float CCodec2::interp_energy(float prev_e, float next_e) +{ + //return powf(10.0, (log10f(prev_e) + log10f(next_e))/2.0); + return sqrtf(prev_e * next_e); //looks better is math. identical and faster math +} + +/*---------------------------------------------------------------------------*\ + + FUNCTION....: interpolate_lsp_ver2() + AUTHOR......: David Rowe + DATE CREATED: 22 May 2012 + + Weighted interpolation of LSPs. + +\*---------------------------------------------------------------------------*/ + +void CCodec2::interpolate_lsp_ver2(float interp[], float prev[], float next[], float weight, int order) +{ + int i; + + for(i=0; i. +*/ + +#ifndef __CODEC2__ +#define __CODEC2__ + +#include + +#include "codec2_internal.h" +#include "defines.h" +#include "kiss_fft.h" +#include "nlp.h" +#include "quantise.h" + +#define CODEC2_MODE_3200 0 +#define CODEC2_MODE_1600 2 + +#ifndef CODEC2_MODE_EN_DEFAULT +#define CODEC2_MODE_EN_DEFAULT 1 +#endif + +#define CODEC2_RAND_MAX 32767 + +class CCodec2 +{ +public: + CCodec2(bool is_3200); + ~CCodec2(); + void codec2_encode(unsigned char *bits, const short *speech_in); + void codec2_decode(short *speech_out, const unsigned char *bits); + void codec2_set_mode(bool); + bool codec2_get_mode() {return (c2.mode == 3200); }; + int codec2_samples_per_frame(); + int codec2_bits_per_frame(); + +private: + // merged from other files + void sample_phase(MODEL *model, std::complex filter_phase[], std::complex A[]); + void phase_synth_zero_order(int n_samp, MODEL *model, float *ex_phase, std::complex filter_phase[]); + void postfilter(MODEL *model, float *bg_est); + + C2CONST c2const_create(int Fs, float framelength_ms); + + void make_analysis_window(C2CONST *c2const, FFT_STATE *fft_fwd_cfg, float w[], float W[]); + void dft_speech(C2CONST *c2const, FFT_STATE &fft_fwd_cfg, std::complex Sw[], float Sn[], float w[]); + void two_stage_pitch_refinement(C2CONST *c2const, MODEL *model, std::complex Sw[]); + void estimate_amplitudes(MODEL *model, std::complex Sw[], int est_phase); + float est_voicing_mbe(C2CONST *c2const, MODEL *model, std::complex Sw[], float W[]); + void make_synthesis_window(C2CONST *c2const, float Pn[]); + void synthesise(int n_samp, FFTR_STATE *fftr_inv_cfg, float Sn_[], MODEL *model, float Pn[], int shift); + int codec2_rand(void); + void hs_pitch_refinement(MODEL *model, std::complex Sw[], float pmin, float pmax, float pstep); + + void interp_Wo(MODEL *interp, MODEL *prev, MODEL *next, float Wo_min); + void interp_Wo2(MODEL *interp, MODEL *prev, MODEL *next, float weight, float Wo_min); + float interp_energy(float prev, float next); + void interpolate_lsp_ver2(float interp[], float prev[], float next[], float weight, int order); + + void analyse_one_frame(MODEL *model, const short *speech); + void synthesise_one_frame(short speech[], MODEL *model, std::complex Aw[], float gain); + void codec2_encode_3200(unsigned char *bits, const short *speech); + void codec2_encode_1600(unsigned char *bits, const short *speech); + void codec2_decode_3200(short *speech, const unsigned char *bits); + void codec2_decode_1600(short *speech, const unsigned char *bits); + void ear_protection(float in_out[], int n); + void lsp_to_lpc(float *freq, float *ak, int lpcrdr); + + void (CCodec2::*encode)(unsigned char *bits, const short *speech); + void (CCodec2::*decode)(short *speech, const unsigned char *bits); + Cnlp nlp; + CQuantize qt; + CODEC2 c2; +}; + +#endif diff --git a/DMR2M17/codec2/codec2_internal.h b/DMR2M17/codec2/codec2_internal.h new file mode 100644 index 0000000..1b037e1 --- /dev/null +++ b/DMR2M17/codec2/codec2_internal.h @@ -0,0 +1,67 @@ +/*---------------------------------------------------------------------------*\ + + FILE........: codec2_internal.h + AUTHOR......: David Rowe + DATE CREATED: April 16 2012 + + Header file for Codec2 internal states, exposed via this header + file to assist in testing. + +\*---------------------------------------------------------------------------*/ + +/* + Copyright (C) 2012 David Rowe + + All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License version 2.1, as + published by the Free Software Foundation. This program is + distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, see . +*/ + +#ifndef __CODEC2_INTERNAL__ +#define __CODEC2_INTERNAL__ + +#include "kiss_fft.h" + +using CODEC2 = struct codec2_tag { + int mode; + int Fs; + int n_samp; + int m_pitch; + int gray; /* non-zero for gray encoding */ + int lpc_pf; /* LPC post filter on */ + int bass_boost; /* LPC post filter bass boost */ + int smoothing; /* enable smoothing for channels with errors */ + float ex_phase; /* excitation model phase track */ + float bg_est; /* background noise estimate for post filter */ + float prev_f0_enc; /* previous frame's f0 estimate */ + float prev_e_dec; /* previous frame's LPC energy */ + float beta; /* LPC post filter parameters */ + float gamma; + float xq_enc[2]; /* joint pitch and energy VQ states */ + float xq_dec[2]; + float W[FFT_ENC]; /* DFT of w[] */ + float hpf_states[2]; /* high pass filter states */ + float prev_lsps_dec[LPC_ORD]; /* previous frame's LSPs */ + float *softdec; /* optional soft decn bits from demod */ + MODEL prev_model_dec; /* previous frame's model parameters */ + C2CONST c2const; + FFT_STATE fft_fwd_cfg; /* forward FFT config */ + FFTR_STATE fftr_fwd_cfg; /* forward real FFT config */ + FFTR_STATE fftr_inv_cfg; /* inverse FFT config */ + std::vector w; /* [m_pitch] time domain hamming window */ + std::vector Pn; /* [2*n_samp] trapezoidal synthesis window */ + std::vector Sn; /* [m_pitch] input speech */ + std::vector Sn_; /* [2*n_samp] synthesised output speech */ + std::vector bpf_buf; /* buffer for band pass filter */ +}; + +#endif diff --git a/DMR2M17/codec2/defines.h b/DMR2M17/codec2/defines.h new file mode 100644 index 0000000..f201313 --- /dev/null +++ b/DMR2M17/codec2/defines.h @@ -0,0 +1,127 @@ +/*---------------------------------------------------------------------------*\ + + FILE........: defines.h + AUTHOR......: David Rowe + DATE CREATED: 23/4/93 + + Defines and structures used throughout the codec. + +\*---------------------------------------------------------------------------*/ + +/* + Copyright (C) 2009 David Rowe + + All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License version 2.1, as + published by the Free Software Foundation. This program is + distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, see . +*/ + +#ifndef __DEFINES__ +#define __DEFINES__ + +#include +#include + +/*---------------------------------------------------------------------------*\ + + DEFINES + +\*---------------------------------------------------------------------------*/ + +/* General defines */ + +#define N_S 0.01 /* internal proc frame length in secs */ +#define TW_S 0.005 /* trapezoidal synth window overlap */ +#define MAX_AMP 160 /* maximum number of harmonics */ +#ifndef PI +#define PI 3.141592654 /* mathematical constant */ +#endif +#define TWO_PI 6.283185307 /* mathematical constant */ +#define MAX_STR 2048 /* maximum string size */ + +#define FFT_ENC 512 /* size of FFT used for encoder */ +#define FFT_DEC 512 /* size of FFT used in decoder */ +#define V_THRESH 6.0 /* voicing threshold in dB */ +#define LPC_ORD 10 /* LPC order */ +#define LPC_ORD_LOW 6 /* LPC order for lower rates */ + +/* Pitch estimation defines */ + +#define M_PITCH_S 0.0400 /* pitch analysis window in s */ +#define P_MIN_S 0.0025 /* minimum pitch period in s */ +#define P_MAX_S 0.0200 /* maximum pitch period in s */ +#define MAXFACTORS 32 // e.g. an fft of length 128 has 4 factors + // as far as kissfft is concerned 4*4*4*2 + +/*---------------------------------------------------------------------------*\ + + TYPEDEFS + +\*---------------------------------------------------------------------------*/ + +/* Structure to hold constants calculated at run time based on sample rate */ + +using C2CONST = struct c2const_tag +{ + int Fs; /* sample rate of this instance */ + int n_samp; /* number of samples per 10ms frame at Fs */ + int max_amp; /* maximum number of harmonics */ + int m_pitch; /* pitch estimation window size in samples */ + int p_min; /* minimum pitch period in samples */ + int p_max; /* maximum pitch period in samples */ + float Wo_min; + float Wo_max; + int nw; /* analysis window size in samples */ + int tw; /* trapezoidal synthesis window overlap */ +}; + +/* Structure to hold model parameters for one frame */ + +using MODEL = struct model_tag +{ + float Wo; /* fundamental frequency estimate in radians */ + int L; /* number of harmonics */ + float A[MAX_AMP+1]; /* amplitiude of each harmonic */ + float phi[MAX_AMP+1]; /* phase of each harmonic */ + int voiced; /* non-zero if this frame is voiced */ +}; + +/* describes each codebook */ + +struct lsp_codebook +{ + int k; /* dimension of vector */ + int log2m; /* number of bits in m */ + int m; /* elements in codebook */ + float *cb; /* The elements */ +}; + +using FFT_STATE = struct fft_state_tag +{ + int nfft; + bool inverse; + int factors[2*MAXFACTORS]; + std::vector> twiddles; +}; + +using FFTR_STATE = struct fftr_state_tag +{ + FFT_STATE substate; + std::vector> tmpbuf; + std::vector> super_twiddles; +}; + +extern const struct lsp_codebook lsp_cb[]; +extern const struct lsp_codebook lsp_cbd[]; +extern const struct lsp_codebook ge_cb[]; + +#endif diff --git a/DMR2M17/codec2/kiss_fft.cpp b/DMR2M17/codec2/kiss_fft.cpp new file mode 100644 index 0000000..cefb846 --- /dev/null +++ b/DMR2M17/codec2/kiss_fft.cpp @@ -0,0 +1,435 @@ +/* +Copyright (c) 2003-2010, Mark Borgerding + +All rights reserved. + +Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. + * Neither the author nor the names of any contributors may be used to endorse or promote products derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include +#include + +#include "defines.h" +#include "kiss_fft.h" + +void CKissFFT::kf_bfly2(std::complex *Fout, const size_t fstride, FFT_STATE &st, int m) +{ + std::complex *Fout2; + std::complex *tw1 = st.twiddles.data(); + std::complex t; + Fout2 = Fout + m; + do + { + t = *Fout2 * *tw1; + tw1 += fstride; + *Fout2 = *Fout - t; + *Fout += t; + ++Fout2; + ++Fout; + } + while (--m); +} + +void CKissFFT::kf_bfly3(std::complex * Fout, const size_t fstride, FFT_STATE &st, int m) +{ + const size_t m2 = 2 * m; + std::complex *tw1,*tw2; + std::complex scratch[5]; + std::complex epi3; + epi3 = st.twiddles[fstride*m]; + + tw1 = tw2 = st.twiddles.data(); + + do + { + scratch[1] = Fout[m] * *tw1; + scratch[2] = Fout[m2] * *tw2; + + scratch[3] = scratch[1] + scratch[2]; + scratch[0] = scratch[1] - scratch[2]; + tw1 += fstride; + tw2 += fstride*2; + + Fout[m] = *Fout - (0.5f * scratch[3]); + + scratch[0] *= epi3.imag(); + + *Fout += scratch[3]; + + Fout[m2].real(Fout[m].real() + scratch[0].imag()); + Fout[m2].imag(Fout[m].imag() - scratch[0].real()); + + Fout[m].real(Fout[m].real() - scratch[0].imag()); + Fout[m].imag(Fout[m].imag() + scratch[0].real()); + + ++Fout; + } + while(--m); +} + +void CKissFFT::kf_bfly4(std::complex *Fout, const size_t fstride, FFT_STATE &st, int m) +{ + std::complex *tw1,*tw2,*tw3; + std::complex scratch[6]; + int k = m; + const int m2 = 2 * m; + const int m3 = 3 * m; + + + tw3 = tw2 = tw1 = st.twiddles.data(); + + do + { + scratch[0] = Fout[m] * *tw1; + scratch[1] = Fout[m2] * *tw2; + scratch[2] = Fout[m3] * *tw3; + + scratch[5] = *Fout - scratch[1]; + *Fout += scratch[1]; + scratch[3] = scratch[0] + scratch[2]; + scratch[4] = scratch[0] - scratch[2]; + Fout[m2] = *Fout - scratch[3]; + tw1 += fstride; + tw2 += fstride*2; + tw3 += fstride*3; + *Fout += scratch[3]; + + if(st.inverse) + { + Fout[m].real(scratch[5].real() - scratch[4].imag()); + Fout[m].imag(scratch[5].imag() + scratch[4].real()); + Fout[m3].real(scratch[5].real() + scratch[4].imag()); + Fout[m3].imag(scratch[5].imag() - scratch[4].real()); + } + else + { + Fout[m].real(scratch[5].real() + scratch[4].imag()); + Fout[m].imag(scratch[5].imag() - scratch[4].real()); + Fout[m3].real(scratch[5].real() - scratch[4].imag()); + Fout[m3].imag(scratch[5].imag() + scratch[4].real()); + } + ++Fout; + } + while(--k); +} + +void CKissFFT::kf_bfly5(std::complex * Fout, const size_t fstride, FFT_STATE &st, int m) +{ + std::complex scratch[13]; + std::complex *twiddles = st.twiddles.data(); + auto ya = twiddles[fstride*m]; + auto yb = twiddles[fstride*2*m]; + + auto Fout0 = Fout; + auto Fout1 = Fout0 + m; + auto Fout2 = Fout0 + 2 * m; + auto Fout3 = Fout0 + 3 * m; + auto Fout4 = Fout0 + 4 * m; + + auto tw = st.twiddles.data(); + for (int u=0; u *Fout, const size_t fstride, FFT_STATE &st, int m, int p) +{ + auto twiddles = st.twiddles.data(); + std::complex t; + int Norig = st.nfft; + + std::vector> scratch(p); + + for (int u=0; u= Norig) twidx-=Norig; + t = scratch[q] * twiddles[twidx]; + Fout[k] += t; + } + k += m; + } + } + scratch.clear(); +} + +void CKissFFT::kf_work(std::complex *Fout, const std::complex *f, const size_t fstride, int in_stride, int *factors, FFT_STATE &st) +{ + auto Fout_beg = Fout; + const int p = *factors++; /* the radix */ + const int m = *factors++; /* stage's fft length/p */ + const std::complex *Fout_end = Fout + p*m; + + if (m==1) + { + do + { + *Fout = *f; + f += fstride*in_stride; + } + while( ++Fout != Fout_end ); + } + else + { + do + { + // recursive call: + // DFT of size m*p performed by doing + // p instances of smaller DFTs of size m, + // each one takes a decimated version of the input + kf_work( Fout, f, fstride*p, in_stride, factors, st); + f += fstride*in_stride; + } + while( (Fout += m) != Fout_end ); + } + + Fout=Fout_beg; + + // recombine the p smaller DFTs + switch (p) + { + case 2: + kf_bfly2(Fout,fstride,st,m); + break; + case 3: + kf_bfly3(Fout,fstride,st,m); + break; + case 4: + kf_bfly4(Fout,fstride,st,m); + break; + case 5: + kf_bfly5(Fout,fstride,st,m); + break; + default: + kf_bfly_generic(Fout,fstride,st,m,p); + break; + } +} + +/* facbuf is populated by p1,m1,p2,m2, ... + where + p[i] * m[i] = m[i-1] + m0 = n */ +void CKissFFT::kf_factor(int n,int * facbuf) +{ + int p=4; + double floor_sqrt; + floor_sqrt = floorf( sqrtf((double)n) ); + + /*factor out powers of 4, powers of 2, then any remaining primes */ + do + { + while (n % p) + { + switch (p) + { + case 4: + p = 2; + break; + case 2: + p = 3; + break; + default: + p += 2; + break; + } + if (p > floor_sqrt) + p = n; /* no more factors, skip to end */ + } + n /= p; + *facbuf++ = p; + *facbuf++ = n; + } + while (n > 1); +} + +void CKissFFT::fft_alloc(FFT_STATE &state, const int nfft, bool inverse_fft) +{ + state.twiddles.resize(nfft); + + state.nfft = nfft; + state.inverse = inverse_fft; + + for (int i=0; i *fin, std::complex *fout, int in_stride) +{ + if (fin == fout) + { + //NOTE: this is not really an in-place FFT algorithm. + //It just performs an out-of-place FFT into a temp buffer + std::vector> tmpbuf(st.nfft); + kf_work(tmpbuf.data(), fin, true, in_stride, st.factors, st); + memcpy(fout, tmpbuf.data(), sizeof(std::complex)*st.nfft); + tmpbuf.clear(); + } + else + { + kf_work(fout, fin, 1, in_stride, st.factors, st); + } +} + +void CKissFFT::fft(FFT_STATE &cfg, const std::complex *fin, std::complex *fout) +{ + fft_stride(cfg, fin, fout, 1); +} + +int CKissFFT::fft_next_fast_size(int n) +{ + while(1) + { + int m = n; + while ( (m % 2) == 0 ) m /= 2; + while ( (m % 3) == 0 ) m /= 3; + while ( (m % 5) == 0 ) m /= 5; + if (m <= 1) + break; /* n is completely factorable by twos, threes, and fives */ + n++; + } + return n; +} + +void CKissFFT::fftr_alloc(FFTR_STATE &st, int nfft, const bool inverse_fft) +{ + nfft >>= 1; + + fft_alloc(st.substate, nfft, inverse_fft); + st.tmpbuf.resize(nfft); + st.super_twiddles.resize(nfft); + + for (int i=0; i *freqdata) +{ + assert(st.substate.inverse == false); + + auto ncfft = st.substate.nfft; + + /*perform the parallel fft of two real signals packed in real,imag*/ + fft( st.substate, (const std::complex*)timedata, st.tmpbuf.data()); + /* The real part of the DC element of the frequency spectrum in st->tmpbuf + * contains the sum of the even-numbered elements of the input time sequence + * The imag part is the sum of the odd-numbered elements + * + * The sum of tdc.r and tdc.i is the sum of the input time sequence. + * yielding DC of input time sequence + * The difference of tdc.r - tdc.i is the sum of the input (dot product) [1,-1,1,-1... + * yielding Nyquist bin of input time sequence + */ + + auto tdc = st.tmpbuf[0]; + freqdata[0].real(tdc.real() + tdc.imag()); + freqdata[ncfft].real(tdc.real() - tdc.imag()); + freqdata[ncfft].imag(0.f); + freqdata[0].imag(0.f); + + for (int k=1; k <= ncfft/2; ++k) + { + auto fpk = st.tmpbuf[k]; + auto fpnk = std::conj(st.tmpbuf[ncfft-k]); + + auto f1k = fpk + fpnk; + auto f2k = fpk - fpnk; + auto tw = f2k * st.super_twiddles[k-1]; + + freqdata[k] = 0.5f * (f1k + tw); + freqdata[ncfft-k].real(0.5f * (f1k.real() - tw.real())); + freqdata[ncfft-k].imag(0.5f * (tw.imag() - f1k.imag())); + } +} + +void CKissFFT::fftri(FFTR_STATE &st, const std::complex *freqdata, float *timedata) +{ + assert(st.substate.inverse == true); + + auto ncfft = st.substate.nfft; + + st.tmpbuf[0].real(freqdata[0].real() + freqdata[ncfft].real()); + st.tmpbuf[0].imag(freqdata[0].real() - freqdata[ncfft].real()); + + for (int k=1; k <= ncfft/2; ++k) + { + auto fk = freqdata[k]; + auto fnkc = std::conj(freqdata[ncfft - k]); + + auto fek = fk + fnkc; + auto tmp = fk - fnkc; + auto fok = tmp * st.super_twiddles[k-1]; + st.tmpbuf[k] = fek + fok; + st.tmpbuf[ncfft - k] = std::conj(fek - fok); + } + fft (st.substate, st.tmpbuf.data(), (std::complex *)timedata); +} diff --git a/DMR2M17/codec2/kiss_fft.h b/DMR2M17/codec2/kiss_fft.h new file mode 100644 index 0000000..7626617 --- /dev/null +++ b/DMR2M17/codec2/kiss_fft.h @@ -0,0 +1,35 @@ +#ifndef KISS_FFT_H +#define KISS_FFT_H + +#include + +#include +#include +#include +#include + +#include "defines.h" + +/* for real ffts, we need an even size */ +#define kiss_fftr_next_fast_size_real(n) (kiss_fft_next_fast_size( ((n)+1) >> 1) << 1 ) + +class CKissFFT +{ +public: + void fft_alloc(FFT_STATE &state, const int nfft, const bool inverse_fft); + void fft(FFT_STATE &cfg, const std::complex *fin, std::complex *fout); + void fft_stride(FFT_STATE &cfg, const std::complex *fin, std::complex *fout, int fin_stride); + int fft_next_fast_size(int n); + void fftr_alloc(FFTR_STATE &state, int nfft, const bool inverse_fft); + void fftr(FFTR_STATE &cfg,const float *timedata,std::complex *freqdata); + void fftri(FFTR_STATE &cfg,const std::complex *freqdata,float *timedata); +private: + void kf_bfly2(std::complex *Fout, const size_t fstride, FFT_STATE &st, int m); + void kf_bfly3(std::complex *Fout, const size_t fstride, FFT_STATE &st, int m); + void kf_bfly4(std::complex *Fout, const size_t fstride, FFT_STATE &st, int m); + void kf_bfly5(std::complex *Fout, const size_t fstride, FFT_STATE &st, int m); + void kf_bfly_generic(std::complex *Fout, const size_t fstride, FFT_STATE &st, int m, int p); + void kf_work(std::complex *Fout, const std::complex *f, const size_t fstride, int in_stride, int *factors, FFT_STATE &st); + void kf_factor(int n, int *facbuf); +}; +#endif diff --git a/DMR2M17/codec2/lpc.cpp b/DMR2M17/codec2/lpc.cpp new file mode 100644 index 0000000..10f2c09 --- /dev/null +++ b/DMR2M17/codec2/lpc.cpp @@ -0,0 +1,311 @@ +/*---------------------------------------------------------------------------*\ + + FILE........: lpc.c + AUTHOR......: David Rowe + DATE CREATED: 30 Sep 1990 (!) + + Linear Prediction functions written in C. + +\*---------------------------------------------------------------------------*/ + +/* + Copyright (C) 2009-2012 David Rowe + + All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License version 2.1, as + published by the Free Software Foundation. This program is + distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, see . +*/ + +#define LPC_MAX_N 512 /* maximum no. of samples in frame */ +#define PI 3.141592654 /* mathematical constant */ + +#define ALPHA 1.0 +#define BETA 0.94 + +#include +#include +#include "defines.h" +#include "lpc.h" + +/*---------------------------------------------------------------------------*\ + + pre_emp() + + Pre-emphasise (high pass filter with zero close to 0 Hz) a frame of + speech samples. Helps reduce dynamic range of LPC spectrum, giving + greater weight and hense a better match to low energy formants. + + Should be balanced by de-emphasis of the output speech. + +\*---------------------------------------------------------------------------*/ + +void Clpc::pre_emp( + float Sn_pre[], /* output frame of speech samples */ + float Sn[], /* input frame of speech samples */ + float *mem, /* Sn[-1]single sample memory */ + int Nsam /* number of speech samples to use */ +) +{ + int i; + + for(i=0; i 1.0) + k = 0.0; + + a[i][i] = k; + + for(j=1; j<=i-1; j++) + a[i][j] = a[i-1][j] + k*a[i-1][i-j]; /* Equation 38c, Makhoul */ + + e *= (1-k*k); /* Equation 38d, Makhoul */ + } + + for(i=1; i<=order; i++) + lpcs[i] = a[order][i]; + lpcs[0] = 1.0; +} + +/*---------------------------------------------------------------------------*\ + + inverse_filter() + + Inverse Filter, A(z). Produces an array of residual samples from an array + of input samples and linear prediction coefficients. + + The filter memory is stored in the first order samples of the input array. + +\*---------------------------------------------------------------------------*/ + +void Clpc::inverse_filter( + float Sn[], /* Nsam input samples */ + float a[], /* LPCs for this frame of samples */ + int Nsam, /* number of samples */ + float res[], /* Nsam residual samples */ + int order /* order of LPC */ +) +{ + int i,j; /* loop variables */ + + for(i=0; i. +*/ + +#ifndef __LPC__ +#define __LPC__ + +#define LPC_MAX_ORDER 20 + +class Clpc { +public: + void autocorrelate(float Sn[], float Rn[], int Nsam, int order); + void levinson_durbin(float R[], float lpcs[], int order); +private: + void pre_emp(float Sn_pre[], float Sn[], float *mem, int Nsam); + void de_emp(float Sn_se[], float Sn[], float *mem, int Nsam); + void hanning_window(float Sn[], float Wn[], int Nsam); + void inverse_filter(float Sn[], float a[], int Nsam, float res[], int order); + void synthesis_filter(float res[], float a[], int Nsam, int order, float Sn_[]); + void find_aks(float Sn[], float a[], int Nsam, int order, float *E); + void weight(float ak[], float gamma, int order, float akw[]); +}; + +#endif diff --git a/DMR2M17/codec2/nlp.cpp b/DMR2M17/codec2/nlp.cpp new file mode 100644 index 0000000..753e96b --- /dev/null +++ b/DMR2M17/codec2/nlp.cpp @@ -0,0 +1,520 @@ +/*---------------------------------------------------------------------------*\ + + FILE........: nlp.c + AUTHOR......: David Rowe + DATE CREATED: 23/3/93 + + Non Linear Pitch (NLP) estimation functions. + +\*---------------------------------------------------------------------------*/ + +/* + Copyright (C) 2009 David Rowe + + All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License version 2.1, as + published by the Free Software Foundation. This program is + distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, see . +*/ + +#include +#include +#include + +#include "defines.h" +#include "nlp.h" +#include "kiss_fft.h" + +extern CKissFFT kiss; + +/*---------------------------------------------------------------------------*\ + + GLOBALS + +\*---------------------------------------------------------------------------*/ + +/* 48 tap 600Hz low pass FIR filter coefficients */ + +static const float nlp_fir[] = +{ + -1.0818124e-03, + -1.1008344e-03, + -9.2768838e-04, + -4.2289438e-04, + 5.5034190e-04, + 2.0029849e-03, + 3.7058509e-03, + 5.1449415e-03, + 5.5924666e-03, + 4.3036754e-03, + 8.0284511e-04, + -4.8204610e-03, + -1.1705810e-02, + -1.8199275e-02, + -2.2065282e-02, + -2.0920610e-02, + -1.2808831e-02, + 3.2204775e-03, + 2.6683811e-02, + 5.5520624e-02, + 8.6305944e-02, + 1.1480192e-01, + 1.3674206e-01, + 1.4867556e-01, + 1.4867556e-01, + 1.3674206e-01, + 1.1480192e-01, + 8.6305944e-02, + 5.5520624e-02, + 2.6683811e-02, + 3.2204775e-03, + -1.2808831e-02, + -2.0920610e-02, + -2.2065282e-02, + -1.8199275e-02, + -1.1705810e-02, + -4.8204610e-03, + 8.0284511e-04, + 4.3036754e-03, + 5.5924666e-03, + 5.1449415e-03, + 3.7058509e-03, + 2.0029849e-03, + 5.5034190e-04, + -4.2289438e-04, + -9.2768838e-04, + -1.1008344e-03, + -1.0818124e-03 +}; + +static const float fdmdv_os_filter[]= { + -0.0008215855034550382, + -0.0007833023901802921, + 0.001075563790768233, + 0.001199092367787555, + -0.001765309502928316, + -0.002055372115328064, + 0.002986877604154257, + 0.003462567920638414, + -0.004856570111126334, + -0.005563143845031497, + 0.007533613299748122, + 0.008563932468880897, + -0.01126857129039911, + -0.01280782411693687, + 0.01651443896361847, + 0.01894875110322284, + -0.02421604439474981, + -0.02845107338464062, + 0.03672973563400258, + 0.04542046150312214, + -0.06189165826716491, + -0.08721876380763803, + 0.1496157094199961, + 0.4497962274137046, + 0.4497962274137046, + 0.1496157094199961, + -0.08721876380763803, + -0.0618916582671649, + 0.04542046150312216, + 0.03672973563400257, + -0.02845107338464062, + -0.02421604439474984, + 0.01894875110322284, + 0.01651443896361848, + -0.01280782411693687, + -0.0112685712903991, + 0.008563932468880899, + 0.007533613299748123, + -0.005563143845031501, + -0.004856570111126346, + 0.003462567920638419, + 0.002986877604154259, + -0.002055372115328063, + -0.001765309502928318, + 0.001199092367787557, + 0.001075563790768233, + -0.0007833023901802925, + -0.0008215855034550383 +}; + +/*---------------------------------------------------------------------------*\ + + nlp_create() + + Initialisation function for NLP pitch estimator. + +\*---------------------------------------------------------------------------*/ + +void Cnlp::nlp_create(C2CONST *c2const) +{ + int i; + int m = c2const->m_pitch; + int Fs = c2const->Fs; + + assert((Fs == 8000) || (Fs == 16000)); + snlp.Fs = Fs; + + snlp.m = m; + + /* if running at 16kHz allocate storage for decimating filter memory */ + + if (Fs == 16000) + { + snlp.Sn16k.resize(FDMDV_OS_TAPS_16K + c2const->n_samp); + for(i=0; i Sw[], /* Freq domain version of Sn[] */ +// float W[], /* Freq domain window */ + float *prev_f0 /* previous pitch f0 in Hz, memory for pitch tracking */ +) +{ + float notch; /* current notch filter output */ + std::complex Fw[PE_FFT_SIZE]; /* DFT of squared signal (input/output) */ + float gmax; + int gmax_bin; + int m, i, j; + float best_f0; + + m = snlp.m; + + /* Square, notch filter at DC, and LP filter vector */ + + /* If running at 16 kHz decimate to 8 kHz, as NLP ws designed for + Fs = 8kHz. The decimating filter introduces about 3ms of delay, + that shouldn't be a problem as pitch changes slowly. */ + + if (snlp.Fs == 8000) + { + /* Square latest input samples */ + + for(i=m-n; i gmax) + { + gmax = Fw[i].real(); + gmax_bin = i; + } + } + + best_f0 = post_process_sub_multiples(Fw, pmax, gmax, gmax_bin, prev_f0); + + /* Shift samples in buffer to make room for new samples */ + + for(i=0; i Fw[], int pmax, float gmax, int gmax_bin, float *prev_f0) +{ + int min_bin, cmax_bin; + int mult; + float thresh, best_f0; + int b, bmin, bmax, lmax_bin; + float lmax; + int prev_f0_bin; + + /* post process estimate by searching submultiples */ + + mult = 2; + min_bin = PE_FFT_SIZE*DEC/pmax; + cmax_bin = gmax_bin; + prev_f0_bin = *prev_f0*(PE_FFT_SIZE*DEC)/SAMPLE_RATE; + + while(gmax_bin/mult >= min_bin) + { + + b = gmax_bin/mult; /* determine search interval */ + bmin = 0.8*b; + bmax = 1.2*b; + if (bmin < min_bin) + bmin = min_bin; + + /* lower threshold to favour previous frames pitch estimate, + this is a form of pitch tracking */ + + if ((prev_f0_bin > bmin) && (prev_f0_bin < bmax)) + thresh = CNLP*0.5*gmax; + else + thresh = CNLP*gmax; + + lmax = 0; + lmax_bin = bmin; + for (b=bmin; b<=bmax; b++) /* look for maximum in interval */ + if (Fw[b].real() > lmax) + { + lmax = Fw[b].real(); + lmax_bin = b; + } + + if (lmax > thresh) + if ((lmax > Fw[lmax_bin-1].real()) && (lmax > Fw[lmax_bin+1].real())) + { + cmax_bin = lmax_bin; + } + + mult++; + } + + best_f0 = (float)cmax_bin*SAMPLE_RATE/(PE_FFT_SIZE*DEC); + + return best_f0; +} + +/*---------------------------------------------------------------------------*\ + + FUNCTION....: fdmdv_16_to_8() + AUTHOR......: David Rowe + DATE CREATED: 9 May 2012 + + Changes the sample rate of a signal from 16 to 8 kHz. + + n is the number of samples at the 8 kHz rate, there are FDMDV_OS*n + samples at the 48 kHz rate. As above however a memory of + FDMDV_OS_TAPS samples is reqd for in16k[] (see t16_8.c unit test as example). + + Low pass filter the 16 kHz signal at 4 kHz using the same filter as + the upsampler, then just output every FDMDV_OS-th filtered sample. + + Note: this function copied from fdmdv.c, included in nlp.c as a convenience + to avoid linking with another source file. + +\*---------------------------------------------------------------------------*/ + +void Cnlp::fdmdv_16_to_8(float out8k[], float in16k[], int n) +{ + float acc; + int i,j,k; + + for(i=0, k=0; k *inout) +{ + std::complex in[512]; + // decide whether to use the local stack based buffer for in + // or to allow kiss_fft to allocate RAM + // second part is just to play safe since first method + // is much faster and uses less RAM + if (cfg.nfft <= 512) + { + memcpy(in, inout, cfg.nfft*sizeof(std::complex)); + kiss.fft(cfg, in, inout); + } + else + { + kiss.fft(cfg, inout, inout); + } +} diff --git a/DMR2M17/codec2/nlp.h b/DMR2M17/codec2/nlp.h new file mode 100644 index 0000000..f480b24 --- /dev/null +++ b/DMR2M17/codec2/nlp.h @@ -0,0 +1,87 @@ +/*---------------------------------------------------------------------------*\ + + FILE........: nlp.c + AUTHOR......: David Rowe + DATE CREATED: 23/3/93 + + Non Linear Pitch (NLP) estimation functions. + +\*---------------------------------------------------------------------------*/ + +/* + Copyright (C) 2009 David Rowe + + All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License version 2.1, as + published by the Free Software Foundation. This program is + distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, see . +*/ + +#ifndef __NLP__ +#define __NLP__ + +#include +#include + +#include "defines.h" + +/*---------------------------------------------------------------------------*\ + + DEFINES + +\*---------------------------------------------------------------------------*/ + +#define PMAX_M 320 /* maximum NLP analysis window size */ +#define COEFF 0.95 /* notch filter parameter */ +#define PE_FFT_SIZE 512 /* DFT size for pitch estimation */ +#define DEC 5 /* decimation factor */ +#define SAMPLE_RATE 8000 +#define PI 3.141592654 /* mathematical constant */ +//#define T 0.1 /* threshold for local minima candidate */ +#define F0_MAX 500 +#define CNLP 0.3 /* post processor constant */ +#define NLP_NTAP 48 /* Decimation LPF order */ + +/* 8 to 16 kHz sample rate conversion */ + +#define FDMDV_OS 2 /* oversampling rate */ +#define FDMDV_OS_TAPS_16K 48 /* number of OS filter taps at 16kHz */ +#define FDMDV_OS_TAPS_8K (FDMDV_OS_TAPS_16K/FDMDV_OS) /* number of OS filter taps at 8kHz */ + + +using NLP = struct nlp_tag +{ + int Fs; /* sample rate in Hz */ + int m; + float w[PMAX_M/DEC]; /* DFT window */ + float sq[PMAX_M]; /* squared speech samples */ + float mem_x,mem_y; /* memory for notch filter */ + float mem_fir[NLP_NTAP]; /* decimation FIR filter memory */ + FFT_STATE fft_cfg; /* kiss FFT config */ + std::vector Sn16k; /* Fs=16kHz input speech vector */ +}; + + +class Cnlp { +public: + void nlp_create(C2CONST *c2const); + void nlp_destroy(); + float nlp(float Sn[], int n, float *pitch_samples, float *prev_f0); + void codec2_fft_inplace(FFT_STATE &cfg, std::complex *inout); + +private: + float post_process_sub_multiples(std::complex Fw[], int pmax, float gmax, int gmax_bin, float *prev_f0); + void fdmdv_16_to_8(float out8k[], float in16k[], int n); + + NLP snlp; +}; + +#endif diff --git a/DMR2M17/codec2/pack.cpp b/DMR2M17/codec2/pack.cpp new file mode 100644 index 0000000..8382f95 --- /dev/null +++ b/DMR2M17/codec2/pack.cpp @@ -0,0 +1,139 @@ +/* + Copyright (C) 2010 Perens LLC + + All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License version 2.1, as + published by the Free Software Foundation. This program is + distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, see . +*/ + +#include "defines.h" +#include "quantise.h" +#include + +/* Compile-time constants */ +/* Size of unsigned char in bits. Assumes 8 bits-per-char. */ +static const unsigned int WordSize = 8; + +/* Mask to pick the bit component out of bitIndex. */ +static const unsigned int IndexMask = 0x7; + +/* Used to pick the word component out of bitIndex. */ +static const unsigned int ShiftRight = 3; + +/** Pack a bit field into a bit string, encoding the field in Gray code. + * + * The output is an array of unsigned char data. The fields are efficiently + * packed into the bit string. The Gray coding is a naive attempt to reduce + * the effect of single-bit errors, we expect to do a better job as the + * codec develops. + * + * This code would be simpler if it just set one bit at a time in the string, + * but would hit the same cache line more often. I'm not sure the complexity + * gains us anything here. + * + * Although field is currently of int type rather than unsigned for + * compatibility with the rest of the code, indices are always expected to + * be >= 0. + */ +void CQuantize::pack( + unsigned char *bitArray, /* The output bit string. */ + unsigned int *bitIndex, /* Index into the string in BITS, not bytes.*/ + int field, /* The bit field to be packed. */ + unsigned int fieldWidth /* Width of the field in BITS, not bytes. */ +) +{ + pack_natural_or_gray(bitArray, bitIndex, field, fieldWidth, 1); +} + +void CQuantize::pack_natural_or_gray( + unsigned char *bitArray, /* The output bit string. */ + unsigned int *bitIndex, /* Index into the string in BITS, not bytes.*/ + int field, /* The bit field to be packed. */ + unsigned int fieldWidth, /* Width of the field in BITS, not bytes. */ + unsigned int gray /* non-zero for gray coding */ +) +{ + if (gray) + { + /* Convert the field to Gray code */ + field = (field >> 1) ^ field; + } + + do + { + unsigned int bI = *bitIndex; + unsigned int bitsLeft = WordSize - (bI & IndexMask); + unsigned int sliceWidth = bitsLeft < fieldWidth ? bitsLeft : fieldWidth; + unsigned int wordIndex = bI >> ShiftRight; + + bitArray[wordIndex] |= ((unsigned char)((field >> (fieldWidth - sliceWidth)) << (bitsLeft - sliceWidth))); + + *bitIndex = bI + sliceWidth; + fieldWidth -= sliceWidth; + } + while ( fieldWidth != 0 ); +} + +/** Unpack a field from a bit string, converting from Gray code to binary. + * + */ +int CQuantize::unpack( + const unsigned char *bitArray, /* The input bit string. */ + unsigned int *bitIndex, /* Index into the string in BITS, not bytes.*/ + unsigned int fieldWidth/* Width of the field in BITS, not bytes. */ +) +{ + return unpack_natural_or_gray(bitArray, bitIndex, fieldWidth, 1); +} + +/** Unpack a field from a bit string, to binary, optionally using + * natural or Gray code. + * + */ +int CQuantize::unpack_natural_or_gray( + const unsigned char *bitArray, /* The input bit string. */ + unsigned int *bitIndex, /* Index into the string in BITS, not bytes.*/ + unsigned int fieldWidth,/* Width of the field in BITS, not bytes. */ + unsigned int gray /* non-zero for Gray coding */ +) +{ + unsigned int field = 0; + unsigned int t; + + do + { + unsigned int bI = *bitIndex; + unsigned int bitsLeft = WordSize - (bI & IndexMask); + unsigned int sliceWidth = bitsLeft < fieldWidth ? bitsLeft : fieldWidth; + + field |= (((bitArray[bI >> ShiftRight] >> (bitsLeft - sliceWidth)) & ((1 << sliceWidth) - 1)) << (fieldWidth - sliceWidth)); + + *bitIndex = bI + sliceWidth; + fieldWidth -= sliceWidth; + } + while ( fieldWidth != 0 ); + + if (gray) + { + /* Convert from Gray code to binary. Works for maximum 8-bit fields. */ + t = field ^ (field >> 8); + t ^= (t >> 4); + t ^= (t >> 2); + t ^= (t >> 1); + } + else + { + t = field; + } + + return t; +} diff --git a/DMR2M17/codec2/qbase.cpp b/DMR2M17/codec2/qbase.cpp new file mode 100644 index 0000000..a94ef46 --- /dev/null +++ b/DMR2M17/codec2/qbase.cpp @@ -0,0 +1,247 @@ +#include +#include + +#include "qbase.h" + +/*---------------------------------------------------------------------------*\ + + quantise + + Quantises vec by choosing the nearest vector in codebook cb, and + returns the vector index. The squared error of the quantised vector + is added to se. + +\*---------------------------------------------------------------------------*/ + +long CQbase::quantise(const float *cb, float vec[], float w[], int k, int m, float *se) +/* float cb[][K]; current VQ codebook */ +/* float vec[]; vector to quantise */ +/* float w[]; weighting vector */ +/* int k; dimension of vectors */ +/* int m; size of codebook */ +/* float *se; accumulated squared error */ +{ + float e; /* current error */ + long besti; /* best index so far */ + float beste; /* best error so far */ + long j; + int i; + float diff; + + besti = 0; + beste = 1E32; + for(j=0; jWo/PI)*4000.0/50.0)/log10f(2); + x[1] = 10.0*log10f(1e-4 + e); + + compute_weights2(x, xq, w); + for (i=0; iWo_min; + float Wo_max = c2const->Wo_max; + + for (i=0; iWo = powf(2.0, xq[0])*(PI*50.0)/4000.0; + + /* bit errors can make us go out of range leading to all sorts of + probs like seg faults */ + + if (model->Wo > Wo_max) model->Wo = Wo_max; + if (model->Wo < Wo_min) model->Wo = Wo_min; + + model->L = PI/model->Wo; /* if we quantise Wo re-compute L */ + + *e = exp10f(xq[1]/10.0); +} + +void CQbase::compute_weights2(const float *x, const float *xp, float *w) +{ + w[0] = 30; + w[1] = 1; + if (x[1]<0) + { + w[0] *= .6; + w[1] *= .3; + } + if (x[1]<-10) + { + w[0] *= .3; + w[1] *= .3; + } + /* Higher weight if pitch is stable */ + if (fabsf(x[0]-xp[0])<.2) + { + w[0] *= 2; + w[1] *= 1.5; + } + else if (fabsf(x[0]-xp[0])>.5) /* Lower if not stable */ + { + w[0] *= .5; + } + + /* Lower weight for low energy */ + if (x[1] < xp[1]-10) + { + w[1] *= .5; + } + if (x[1] < xp[1]-20) + { + w[1] *= .5; + } + + //w[0] = 30; + //w[1] = 1; + + /* Square the weights because it's applied on the squared error */ + w[0] *= w[0]; + w[1] *= w[1]; + +} + +int CQbase::find_nearest_weighted(const float *codebook, int nb_entries, float *x, const float *w, int ndim) +{ + int i, j; + float min_dist = 1e15; + int nearest = 0; + + for (i=0; iWo_min; + float Wo_max = c2const->Wo_max; + float norm; + + norm = (log10f(Wo) - log10f(Wo_min))/(log10f(Wo_max) - log10f(Wo_min)); + index = floorf(Wo_levels * norm + 0.5); + if (index < 0 ) index = 0; + if (index > (Wo_levels-1)) index = Wo_levels-1; + + return index; +} + +/*---------------------------------------------------------------------------*\ + + FUNCTION....: decode_log_Wo() + AUTHOR......: David Rowe + DATE CREATED: 22/8/2010 + + Decodes Wo using a WO_LEVELS quantiser in the log domain. + +\*---------------------------------------------------------------------------*/ + +float CQbase::decode_log_Wo(C2CONST *c2const, int index, int bits) +{ + float Wo_min = c2const->Wo_min; + float Wo_max = c2const->Wo_max; + float step; + float Wo; + int Wo_levels = 1<. + +*/ + +#include +#include +#include +#include +#include +#include + +#include "defines.h" +#include "quantise.h" +#include "lpc.h" +#include "kiss_fft.h" + +extern CKissFFT kiss; + +#define LSP_DELTA1 0.01 /* grid spacing for LSP root searches */ + +/*---------------------------------------------------------------------------*\ + + FUNCTIONS + +\*---------------------------------------------------------------------------*/ + +int CQuantize::lsp_bits(int i) +{ + return lsp_cb[i].log2m; +} + +int CQuantize::lspd_bits(int i) +{ + return lsp_cbd[i].log2m; +} + + + +/*---------------------------------------------------------------------------*\ + + encode_lspds_scalar() + + Scalar/VQ LSP difference quantiser. + +\*---------------------------------------------------------------------------*/ + +void CQuantize::encode_lspds_scalar(int indexes[], float lsp[], int order) +{ + int i,k,m; + float lsp_hz[order]; + float lsp__hz[order]; + float dlsp[order]; + float dlsp_[order]; + float wt[order]; + const float *cb; + float se; + + for(i=0; i Ww[FFT_ENC/2+1]; /* weighting spectrum */ + float Rw[FFT_ENC/2+1]; /* R = WA */ + float e_before, e_after, gain; + float Pfw; + float max_Rw, min_Rw; + float coeff; + + /* Determine weighting filter spectrum W(exp(jw)) ---------------*/ + + for(i=0; i max_Rw) + max_Rw = Rw[i]; + if (Rw[i] < min_Rw) + min_Rw = Rw[i]; + + } + + /* create post filter mag spectrum and apply ------------------*/ + + /* measure energy before post filtering */ + + e_before = 1E-4; + for(i=0; i Aw[] /* output power spectrum */ +) +{ + int i,m; /* loop variables */ + int am,bm; /* limits of current band */ + float r; /* no. rads/bin */ + float Em; /* energy in band */ + float Am; /* spectral amplitude sample */ + float signal, noise; + + r = TWO_PI/(FFT_ENC); + + /* Determine DFT of A(exp(jw)) --------------------------------------------*/ + { + float a[FFT_ENC]; /* input to FFT for power spectrum */ + + for(i=0; iL; m++) + { + am = (int)((m - 0.5)*model->Wo/r + 0.5); + bm = (int)((m + 0.5)*model->Wo/r + 0.5); + + // FIXME: With arm_rfft_fast_f32 we have to use this + // otherwise sometimes a to high bm is calculated + // which causes trouble later in the calculation + // chain + // it seems for some reason model->Wo is calculated somewhat too high + if (bm>FFT_ENC/2) + { + bm = FFT_ENC/2; + } + Em = 0.0; + + for(i=am; iA[m]*model->A[m]; + noise += (model->A[m] - Am)*(model->A[m] - Am); + + /* This code significantly improves perf of LPC model, in + particular when combined with phase0. The LPC spectrum tends + to track just under the peaks of the spectral envelope, and + just above nulls. This algorithm does the reverse to + compensate - raising the amplitudes of spectral peaks, while + attenuating the null. This enhances the formants, and + supresses the energy between formants. */ + + if (sim_pf) + { + if (Am > model->A[m]) + Am *= 0.7; + if (Am < model->A[m]) + Am *= 1.4; + } + model->A[m] = Am; + } + *snr = 10.0*log10f(signal/noise); +} + +/*---------------------------------------------------------------------------*\ + + FUNCTION....: encode_Wo() + AUTHOR......: David Rowe + DATE CREATED: 22/8/2010 + + Encodes Wo using a WO_LEVELS quantiser. + +\*---------------------------------------------------------------------------*/ + +int CQuantize::encode_Wo(C2CONST *c2const, float Wo, int bits) +{ + int index, Wo_levels = 1<Wo_min; + float Wo_max = c2const->Wo_max; + float norm; + + norm = (Wo - Wo_min)/(Wo_max - Wo_min); + index = floorf(Wo_levels * norm + 0.5); + if (index < 0 ) index = 0; + if (index > (Wo_levels-1)) index = Wo_levels-1; + + return index; +} + +/*---------------------------------------------------------------------------*\ + + FUNCTION....: decode_Wo() + AUTHOR......: David Rowe + DATE CREATED: 22/8/2010 + + Decodes Wo using a WO_LEVELS quantiser. + +\*---------------------------------------------------------------------------*/ + +float CQuantize::decode_Wo(C2CONST *c2const, int index, int bits) +{ + float Wo_min = c2const->Wo_min; + float Wo_max = c2const->Wo_max; + float step; + float Wo; + int Wo_levels = 1<Wo < (PI*150.0/4000)) + { + model->A[1] *= 0.032; + } +} + +/*---------------------------------------------------------------------------*\ + + FUNCTION....: encode_energy() + AUTHOR......: David Rowe + DATE CREATED: 22/8/2010 + + Encodes LPC energy using an E_LEVELS quantiser. + +\*---------------------------------------------------------------------------*/ + +int CQuantize::encode_energy(float e, int bits) +{ + int index, e_levels = 1< (e_levels-1)) index = e_levels-1; + + return index; +} + +/*---------------------------------------------------------------------------*\ + + FUNCTION....: decode_energy() + AUTHOR......: David Rowe + DATE CREATED: 22/8/2010 + + Decodes energy using a E_LEVELS quantiser. + +\*---------------------------------------------------------------------------*/ + +float CQuantize::decode_energy(int index, int bits) +{ + float e_min = E_MIN_DB; + float e_max = E_MAX_DB; + float step; + float e; + int e_levels = 1<= -1.0)) + { + xr = xl - delta ; /* interval spacing */ + psumr = cheb_poly_eva(pt,xr,order);/* poly(xl-delta_x) */ + temp_psumr = psumr; + temp_xr = xr; + + /* if no sign change increment xr and re-evaluate + poly(xr). Repeat til sign change. if a sign change has + occurred the interval is bisected and then checked again + for a sign change which determines in which interval the + zero lies in. If there is no sign change between poly(xm) + and poly(xl) set interval between xm and xr else set + interval between xl and xr and repeat till root is located + within the specified limits */ + + if(((psumr*psuml)<0.0) || (psumr == 0.0)) + { + roots++; + + psumm=psuml; + for(k=0; k<=nb; k++) + { + xm = (xl+xr)/2; /* bisect the interval */ + psumm=cheb_poly_eva(pt,xm,order); + if(psumm*psuml>0.) + { + psuml=psumm; + xl=xm; + } + else + { + psumr=psumm; + xr=xm; + } + } + + /* once zero is found, reset initial interval to xr */ + freq[j] = (xm); + xl = xm; + flag = 0; /* reset flag for next search */ + } + else + { + psuml=temp_psumr; + xl=temp_xr; + } + } + } + + /* convert from x domain to radians */ + + for(i=0; i. +*/ + +#ifndef __QUANTISE__ +#define __QUANTISE__ + +#include + +#include "qbase.h" + +class CQuantize : public CQbase { +public: + void aks_to_M2(FFTR_STATE *fftr_fwd_cfg, float ak[], int order, MODEL *model, float E, float *snr, int sim_pf, int pf, int bass_boost, float beta, float gamma, std::complex Aw[]); + + int encode_Wo(C2CONST *c2const, float Wo, int bits); + float decode_Wo(C2CONST *c2const, int index, int bits); + void encode_lsps_scalar(int indexes[], float lsp[], int order); + void decode_lsps_scalar(float lsp[], int indexes[], int order); + void encode_lspds_scalar(int indexes[], float lsp[], int order); + void decode_lspds_scalar(float lsp[], int indexes[], int order); + + int encode_energy(float e, int bits); + float decode_energy(int index, int bits); + + void pack(unsigned char * bits, unsigned int *nbit, int index, unsigned int index_bits); + void pack_natural_or_gray(unsigned char * bits, unsigned int *nbit, int index, unsigned int index_bits, unsigned int gray); + int unpack(const unsigned char * bits, unsigned int *nbit, unsigned int index_bits); + int unpack_natural_or_gray(const unsigned char * bits, unsigned int *nbit, unsigned int index_bits, unsigned int gray); + + int lsp_bits(int i); + int lspd_bits(int i); + + void apply_lpc_correction(MODEL *model); + float speech_to_uq_lsps(float lsp[], float ak[], float Sn[], float w[], int m_pitch, int order); + int check_lsp_order(float lsp[], int lpc_order); + void bw_expand_lsps(float lsp[], int order, float min_sep_low, float min_sep_high); + +private: + void compute_weights(const float *x, float *w, int ndim); + int find_nearest(const float *codebook, int nb_entries, float *x, int ndim); + void lpc_post_filter(FFTR_STATE *fftr_fwd_cfg, float Pw[], float ak[], int order, float beta, float gamma, int bass_boost, float E); + int lpc_to_lsp (float *a, int lpcrdr, float *freq, int nb, float delta); + float cheb_poly_eva(float *coef,float x,int order); +}; + +#endif diff --git a/DMR2P25/DMR2P25 b/DMR2P25/DMR2P25 new file mode 100755 index 0000000..76973af Binary files /dev/null and b/DMR2P25/DMR2P25 differ diff --git a/DMR2P25/DMR2P25.cpp b/DMR2P25/DMR2P25.cpp index ea78620..949a9ef 100644 --- a/DMR2P25/DMR2P25.cpp +++ b/DMR2P25/DMR2P25.cpp @@ -190,7 +190,7 @@ int CDMR2P25::run() { bool ret = m_conf.read(); if (!ret) { - ::fprintf(stderr, "DMR2NXDN: cannot read the .ini file\n"); + ::fprintf(stderr, "DMR2P25: cannot read the .ini file\n"); return 1; } @@ -287,7 +287,7 @@ int CDMR2P25::run() ::LogFinalise(); return 1; } - + m_p25Network->writePoll(); ret = createMMDVM(); if (!ret) return 1; diff --git a/DSTAR2YSF/CRC.cpp b/DSTAR2YSF/CRC.cpp new file mode 100644 index 0000000..e19f429 --- /dev/null +++ b/DSTAR2YSF/CRC.cpp @@ -0,0 +1,254 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * Copyright (C) 2018 by Andy Uribe CA6JAU + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "CRC.h" + +#include "Utils.h" +#include "Log.h" + +#include +#include +#include +#include + +const uint8_t CRC8_TABLE[] = { + 0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15, 0x38, 0x3F, 0x36, 0x31, + 0x24, 0x23, 0x2A, 0x2D, 0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65, + 0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D, 0xE0, 0xE7, 0xEE, 0xE9, + 0xFC, 0xFB, 0xF2, 0xF5, 0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD, + 0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85, 0xA8, 0xAF, 0xA6, 0xA1, + 0xB4, 0xB3, 0xBA, 0xBD, 0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2, + 0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA, 0xB7, 0xB0, 0xB9, 0xBE, + 0xAB, 0xAC, 0xA5, 0xA2, 0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A, + 0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32, 0x1F, 0x18, 0x11, 0x16, + 0x03, 0x04, 0x0D, 0x0A, 0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42, + 0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A, 0x89, 0x8E, 0x87, 0x80, + 0x95, 0x92, 0x9B, 0x9C, 0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4, + 0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC, 0xC1, 0xC6, 0xCF, 0xC8, + 0xDD, 0xDA, 0xD3, 0xD4, 0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C, + 0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44, 0x19, 0x1E, 0x17, 0x10, + 0x05, 0x02, 0x0B, 0x0C, 0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34, + 0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B, 0x76, 0x71, 0x78, 0x7F, + 0x6A, 0x6D, 0x64, 0x63, 0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B, + 0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13, 0xAE, 0xA9, 0xA0, 0xA7, + 0xB2, 0xB5, 0xBC, 0xBB, 0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83, + 0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB, 0xE6, 0xE1, 0xE8, 0xEF, + 0xFA, 0xFD, 0xF4, 0xF3, 0x01 }; + +const uint16_t CCITT16_TABLE1[] = { + 0x0000U, 0x1189U, 0x2312U, 0x329bU, 0x4624U, 0x57adU, 0x6536U, 0x74bfU, + 0x8c48U, 0x9dc1U, 0xaf5aU, 0xbed3U, 0xca6cU, 0xdbe5U, 0xe97eU, 0xf8f7U, + 0x1081U, 0x0108U, 0x3393U, 0x221aU, 0x56a5U, 0x472cU, 0x75b7U, 0x643eU, + 0x9cc9U, 0x8d40U, 0xbfdbU, 0xae52U, 0xdaedU, 0xcb64U, 0xf9ffU, 0xe876U, + 0x2102U, 0x308bU, 0x0210U, 0x1399U, 0x6726U, 0x76afU, 0x4434U, 0x55bdU, + 0xad4aU, 0xbcc3U, 0x8e58U, 0x9fd1U, 0xeb6eU, 0xfae7U, 0xc87cU, 0xd9f5U, + 0x3183U, 0x200aU, 0x1291U, 0x0318U, 0x77a7U, 0x662eU, 0x54b5U, 0x453cU, + 0xbdcbU, 0xac42U, 0x9ed9U, 0x8f50U, 0xfbefU, 0xea66U, 0xd8fdU, 0xc974U, + 0x4204U, 0x538dU, 0x6116U, 0x709fU, 0x0420U, 0x15a9U, 0x2732U, 0x36bbU, + 0xce4cU, 0xdfc5U, 0xed5eU, 0xfcd7U, 0x8868U, 0x99e1U, 0xab7aU, 0xbaf3U, + 0x5285U, 0x430cU, 0x7197U, 0x601eU, 0x14a1U, 0x0528U, 0x37b3U, 0x263aU, + 0xdecdU, 0xcf44U, 0xfddfU, 0xec56U, 0x98e9U, 0x8960U, 0xbbfbU, 0xaa72U, + 0x6306U, 0x728fU, 0x4014U, 0x519dU, 0x2522U, 0x34abU, 0x0630U, 0x17b9U, + 0xef4eU, 0xfec7U, 0xcc5cU, 0xddd5U, 0xa96aU, 0xb8e3U, 0x8a78U, 0x9bf1U, + 0x7387U, 0x620eU, 0x5095U, 0x411cU, 0x35a3U, 0x242aU, 0x16b1U, 0x0738U, + 0xffcfU, 0xee46U, 0xdcddU, 0xcd54U, 0xb9ebU, 0xa862U, 0x9af9U, 0x8b70U, + 0x8408U, 0x9581U, 0xa71aU, 0xb693U, 0xc22cU, 0xd3a5U, 0xe13eU, 0xf0b7U, + 0x0840U, 0x19c9U, 0x2b52U, 0x3adbU, 0x4e64U, 0x5fedU, 0x6d76U, 0x7cffU, + 0x9489U, 0x8500U, 0xb79bU, 0xa612U, 0xd2adU, 0xc324U, 0xf1bfU, 0xe036U, + 0x18c1U, 0x0948U, 0x3bd3U, 0x2a5aU, 0x5ee5U, 0x4f6cU, 0x7df7U, 0x6c7eU, + 0xa50aU, 0xb483U, 0x8618U, 0x9791U, 0xe32eU, 0xf2a7U, 0xc03cU, 0xd1b5U, + 0x2942U, 0x38cbU, 0x0a50U, 0x1bd9U, 0x6f66U, 0x7eefU, 0x4c74U, 0x5dfdU, + 0xb58bU, 0xa402U, 0x9699U, 0x8710U, 0xf3afU, 0xe226U, 0xd0bdU, 0xc134U, + 0x39c3U, 0x284aU, 0x1ad1U, 0x0b58U, 0x7fe7U, 0x6e6eU, 0x5cf5U, 0x4d7cU, + 0xc60cU, 0xd785U, 0xe51eU, 0xf497U, 0x8028U, 0x91a1U, 0xa33aU, 0xb2b3U, + 0x4a44U, 0x5bcdU, 0x6956U, 0x78dfU, 0x0c60U, 0x1de9U, 0x2f72U, 0x3efbU, + 0xd68dU, 0xc704U, 0xf59fU, 0xe416U, 0x90a9U, 0x8120U, 0xb3bbU, 0xa232U, + 0x5ac5U, 0x4b4cU, 0x79d7U, 0x685eU, 0x1ce1U, 0x0d68U, 0x3ff3U, 0x2e7aU, + 0xe70eU, 0xf687U, 0xc41cU, 0xd595U, 0xa12aU, 0xb0a3U, 0x8238U, 0x93b1U, + 0x6b46U, 0x7acfU, 0x4854U, 0x59ddU, 0x2d62U, 0x3cebU, 0x0e70U, 0x1ff9U, + 0xf78fU, 0xe606U, 0xd49dU, 0xc514U, 0xb1abU, 0xa022U, 0x92b9U, 0x8330U, + 0x7bc7U, 0x6a4eU, 0x58d5U, 0x495cU, 0x3de3U, 0x2c6aU, 0x1ef1U, 0x0f78U }; + +const uint16_t CCITT16_TABLE2[] = { + 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7, + 0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF, + 0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6, + 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE, + 0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485, + 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D, + 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4, + 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC, + 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823, + 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B, + 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12, + 0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A, + 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41, + 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49, + 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70, + 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78, + 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F, + 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067, + 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E, + 0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256, + 0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D, + 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, + 0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C, + 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634, + 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB, + 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3, + 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A, + 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92, + 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, + 0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1, + 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8, + 0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0 }; + + +bool CCRC::checkFiveBit(bool* in, unsigned int tcrc) +{ + assert(in != NULL); + + unsigned int crc; + encodeFiveBit(in, crc); + + return crc == tcrc; +} + +void CCRC::encodeFiveBit(const bool* in, unsigned int& tcrc) +{ + assert(in != NULL); + + unsigned short total = 0U; + for (unsigned int i = 0U; i < 72U; i += 8U) { + unsigned char c; + CUtils::bitsToByteBE(in + i, c); + total += c; + } + + total %= 31U; + + tcrc = total; +} + +void CCRC::addCCITT162(unsigned char *in, unsigned int length) +{ + assert(in != NULL); + assert(length > 2U); + + union { + uint16_t crc16; + uint8_t crc8[2U]; + }; + + crc16 = 0U; + + for (unsigned i = 0U; i < (length - 2U); i++) + crc16 = (uint16_t(crc8[0U]) << 8) ^ CCITT16_TABLE2[crc8[1U] ^ in[i]]; + + crc16 = ~crc16; + + in[length - 1U] = crc8[0U]; + in[length - 2U] = crc8[1U]; +} + +bool CCRC::checkCCITT162(const unsigned char *in, unsigned int length) +{ + assert(in != NULL); + assert(length > 2U); + + union { + uint16_t crc16; + uint8_t crc8[2U]; + }; + + crc16 = 0U; + + for (unsigned i = 0U; i < (length - 2U); i++) + crc16 = (uint16_t(crc8[0U]) << 8) ^ CCITT16_TABLE2[crc8[1U] ^ in[i]]; + + crc16 = ~crc16; + + return crc8[0U] == in[length - 1U] && crc8[1U] == in[length - 2U]; +} + +void CCRC::addCCITT161(unsigned char *in, unsigned int length) +{ + assert(in != NULL); + assert(length > 2U); + + union { + uint16_t crc16; + uint8_t crc8[2U]; + }; + + crc16 = 0xFFFFU; + + for (unsigned int i = 0U; i < (length - 2U); i++) + crc16 = uint16_t(crc8[1U]) ^ CCITT16_TABLE1[crc8[0U] ^ in[i]]; + + crc16 = ~crc16; + + in[length - 2U] = crc8[0U]; + in[length - 1U] = crc8[1U]; +} + +bool CCRC::checkCCITT161(const unsigned char *in, unsigned int length) +{ + assert(in != NULL); + assert(length > 2U); + + union { + uint16_t crc16; + uint8_t crc8[2U]; + }; + + crc16 = 0xFFFFU; + + for (unsigned int i = 0U; i < (length - 2U); i++) + crc16 = uint16_t(crc8[1U]) ^ CCITT16_TABLE1[crc8[0U] ^ in[i]]; + + crc16 = ~crc16; + + return crc8[0U] == in[length - 2U] && crc8[1U] == in[length - 1U]; +} + +unsigned char CCRC::crc8(const unsigned char *in, unsigned int length) +{ + assert(in != NULL); + + uint8_t crc = 0U; + + for (unsigned int i = 0U; i < length; i++) + crc = CRC8_TABLE[crc ^ in[i]]; + + return crc; +} + +unsigned char CCRC::addCRC(const unsigned char* in, unsigned int length) +{ + assert(in != NULL); + + unsigned char crc = 0U; + + for (unsigned int i = 0U; i < length; i++) + crc += in[i]; + + return crc; +} + diff --git a/DSTAR2YSF/CRC.h b/DSTAR2YSF/CRC.h new file mode 100644 index 0000000..d529271 --- /dev/null +++ b/DSTAR2YSF/CRC.h @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * Copyright (C) 2018 by Andy Uribe CA6JAU + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(CRC_H) +#define CRC_H + +class CCRC +{ +public: + static bool checkFiveBit(bool* in, unsigned int tcrc); + static void encodeFiveBit(const bool* in, unsigned int& tcrc); + + static void addCCITT161(unsigned char* in, unsigned int length); + static void addCCITT162(unsigned char* in, unsigned int length); + + static bool checkCCITT161(const unsigned char* in, unsigned int length); + static bool checkCCITT162(const unsigned char* in, unsigned int length); + + static unsigned char crc8(const unsigned char* in, unsigned int length); + + static unsigned char addCRC(const unsigned char* in, unsigned int length); +}; + +#endif diff --git a/DSTAR2YSF/Conf.cpp b/DSTAR2YSF/Conf.cpp new file mode 100644 index 0000000..41b5cb4 --- /dev/null +++ b/DSTAR2YSF/Conf.cpp @@ -0,0 +1,413 @@ +/* + * Copyright (C) 2015-2019 by Jonathan Naylor G4KLX + * Copyright (C) 2018,2019 by Andy Uribe CA6JAU + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "Conf.h" +#include "Log.h" + +#include +#include +#include +#include + +const int BUFFER_SIZE = 500; + +enum SECTION { + SECTION_NONE, + SECTION_INFO, + SECTION_DSTAR_NETWORK, + SECTION_YSF_NETWORK, + SECTION_LOG +}; + +CConf::CConf(const std::string& file) : +m_file(file), +m_mycall(), +m_urcall(), +m_rptr1(), +m_rptr2(), +m_suffix(), +m_userTxt(), +m_dstarDstAddress(), +m_dstarDstPort(0U), +m_dstarLocalAddress(), +m_dstarLocalPort(0U), +m_daemon(false), +m_dstarNetworkDebug(false), +m_callsign(), +m_dstAddress(), +m_dstPort(0U), +m_localAddress(), +m_localPort(0U), +m_fcsFile(), +m_fichCallSign(2U), +m_fichCallMode(0U), +m_fichFrameTotal(6U), +m_fichMessageRoute(0U), +m_fichVOIP(0U), +m_fichDataType(2U), +m_fichSQLType(0U), +m_fichSQLCode(0U), +m_ysfDT1(), +m_ysfDT2(), +m_ysfRadioID("*****"), +m_ysfDebug(false), +m_logDisplayLevel(0U), +m_logFileLevel(0U), +m_logFilePath(), +m_logFileRoot() +{ +} + +CConf::~CConf() +{ +} + +bool CConf::read() +{ + FILE* fp = ::fopen(m_file.c_str(), "rt"); + if (fp == NULL) { + ::fprintf(stderr, "Couldn't open the .ini file - %s\n", m_file.c_str()); + return false; + } + + SECTION section = SECTION_NONE; + + char buffer[BUFFER_SIZE]; + while (::fgets(buffer, BUFFER_SIZE, fp) != NULL) { + if (buffer[0U] == '#') + continue; + + if (buffer[0U] == '[') { + if (::strncmp(buffer, "[Info]", 6U) == 0) + section = SECTION_INFO; + else if (::strncmp(buffer, "[DSTAR Network]", 13U) == 0) + section = SECTION_DSTAR_NETWORK; + else if (::strncmp(buffer, "[YSF Network]", 13U) == 0) + section = SECTION_YSF_NETWORK; + else if (::strncmp(buffer, "[Log]", 5U) == 0) + section = SECTION_LOG; + else + section = SECTION_NONE; + + continue; + } + + char* key = ::strtok(buffer, " \t=\r\n"); + if (key == NULL) + continue; + + char* value = ::strtok(NULL, "\r\n"); + if (value == NULL) + continue; + + // Remove quotes from the value + size_t len = ::strlen(value); + char *t; + if (len > 1U && *value == '"' && value[len - 1U] == '"') { + value[len - 1U] = '\0'; + value++; + } + + if (section == SECTION_INFO) { + if (::strcmp(key, "Mycall") == 0) { + // Convert the callsign to upper case + for (unsigned int i = 0U; value[i] != 0; i++) + value[i] = ::toupper(value[i]); + m_mycall = value; + } + else if (::strcmp(key, "Urcall") == 0) { + // Convert the callsign to upper case + for (unsigned int i = 0U; value[i] != 0; i++) + value[i] = ::toupper(value[i]); + m_urcall = value; + } + else if (::strcmp(key, "Rptr1") == 0) { + // Convert the callsign to upper case + for (unsigned int i = 0U; value[i] != 0; i++) + value[i] = ::toupper(value[i]); + m_rptr1 = value; + } + else if (::strcmp(key, "Rptr2") == 0) { + // Convert the callsign to upper case + for (unsigned int i = 0U; value[i] != 0; i++) + value[i] = ::toupper(value[i]); + m_rptr2 = value; + } + else if (::strcmp(key, "Suffix") == 0) { + // Convert the callsign to upper case + for (unsigned int i = 0U; value[i] != 0; i++) + value[i] = ::toupper(value[i]); + m_suffix = value; + } + else if (::strcmp(key, "UserText") == 0) { + // Convert the callsign to upper case + for (unsigned int i = 0U; value[i] != 0; i++) + value[i] = ::toupper(value[i]); + m_userTxt = value; + } + else if(::strcmp(key, "VocoderDevice") == 0) { + m_vocoderDevice = value; + } + } else if (section == SECTION_DSTAR_NETWORK) { + if (::strcmp(key, "DstAddress") == 0) + m_dstarDstAddress = value; + else if (::strcmp(key, "DstPort") == 0) + m_dstarDstPort = (unsigned int)::atoi(value); + else if (::strcmp(key, "LocalAddress") == 0) + m_dstarLocalAddress = value; + else if (::strcmp(key, "LocalPort") == 0) + m_dstarLocalPort = (unsigned int)::atoi(value); + else if (::strcmp(key, "Daemon") == 0) + m_daemon = ::atoi(value) == 1; + else if (::strcmp(key, "Debug") == 0) + m_dstarNetworkDebug = ::atoi(value) == 1; + } else if (section == SECTION_YSF_NETWORK) { + if (::strcmp(key, "Callsign") == 0) { + // Convert the callsign to upper case + for (unsigned int i = 0U; value[i] != 0; i++) + value[i] = ::toupper(value[i]); + m_callsign = value; + } else if (::strcmp(key, "GatewayAddress") == 0) + m_dstAddress = value; + else if (::strcmp(key, "GatewayPort") == 0) + m_dstPort = (unsigned int)::atoi(value); + else if (::strcmp(key, "LocalAddress") == 0) + m_localAddress = value; + else if (::strcmp(key, "LocalPort") == 0) + m_localPort = (unsigned int)::atoi(value); + else if (::strcmp(key, "FCSRooms") == 0) + m_fcsFile = value; + else if (::strcmp(key, "RadioID") == 0) + m_ysfRadioID = value; + else if (::strcmp(key, "Debug") == 0) + m_ysfDebug = ::atoi(value) == 1; + else if (::strcmp(key, "FICHCallsign") == 0) + m_fichCallSign = ::atoi(value); + else if (::strcmp(key, "FICHCallMode") == 0) + m_fichCallMode = ::atoi(value); + else if (::strcmp(key, "FICHFrameTotal") == 0) + m_fichFrameTotal = ::atoi(value); + else if (::strcmp(key, "FICHMessageRoute") == 0) + m_fichMessageRoute = ::atoi(value); + else if (::strcmp(key, "FICHVOIP") == 0) + m_fichVOIP = ::atoi(value); + else if (::strcmp(key, "FICHDataType") == 0) + m_fichDataType = ::atoi(value); + else if (::strcmp(key, "FICHSQLType") == 0) + m_fichSQLType = ::atoi(value); + else if (::strcmp(key, "FICHSQLCode") == 0) + m_fichSQLCode = ::atoi(value); + else if (::strcmp(key, "DT1") == 0){ + while ((t = strtok_r(value, ",", &value)) != NULL) + m_ysfDT1.push_back(::atoi(t)); + } else if (::strcmp(key, "DT2") == 0){ + while ((t = strtok_r(value, ",", &value)) != NULL) + m_ysfDT2.push_back(::atoi(t)); + } + } else if (section == SECTION_LOG) { + if (::strcmp(key, "FilePath") == 0) + m_logFilePath = value; + else if (::strcmp(key, "FileRoot") == 0) + m_logFileRoot = value; + else if (::strcmp(key, "FileLevel") == 0) + m_logFileLevel = (unsigned int)::atoi(value); + else if (::strcmp(key, "DisplayLevel") == 0) + m_logDisplayLevel = (unsigned int)::atoi(value); + } + } + + ::fclose(fp); + + return true; +} + +std::string CConf::getMycall() const +{ + return m_mycall; +} + +std::string CConf::getUrcall() const +{ + return m_urcall; +} + +std::string CConf::getRptr1() const +{ + return m_rptr1; +} + +std::string CConf::getRptr2() const +{ + return m_rptr2; +} + +std::string CConf::getSuffix() const +{ + return m_suffix; +} + +std::string CConf::getUserTxt() const +{ + return m_userTxt; +} + +std::string CConf::getVocoderDevice() const +{ + return m_vocoderDevice; +} + +std::string CConf::getDSTARDstAddress() const +{ + return m_dstarDstAddress; +} + +unsigned int CConf::getDSTARDstPort() const +{ + return m_dstarDstPort; +} + +std::string CConf::getDSTARLocalAddress() const +{ + return m_dstarLocalAddress; +} + +unsigned int CConf::getDSTARLocalPort() const +{ + return m_dstarLocalPort; +} + +bool CConf::getDaemon() const +{ + return m_daemon; +} + +bool CConf::getDSTARNetworkDebug() const +{ + return m_dstarNetworkDebug; +} + +std::string CConf::getCallsign() const +{ + return m_callsign; +} + +std::string CConf::getDstAddress() const +{ + return m_dstAddress; +} + +unsigned int CConf::getDstPort() const +{ + return m_dstPort; +} + +std::string CConf::getLocalAddress() const +{ + return m_localAddress; +} + +unsigned int CConf::getLocalPort() const +{ + return m_localPort; +} + +std::string CConf::getFCSFile() const +{ + return m_fcsFile; +} + +unsigned char CConf::getFICHCallSign() const +{ + return m_fichCallSign; +} + +unsigned char CConf::getFICHCallMode() const +{ + return m_fichCallMode; +} + +unsigned char CConf::getFICHFrameTotal() const +{ + return m_fichFrameTotal; +} + +unsigned char CConf::getFICHMessageRoute() const +{ + return m_fichMessageRoute; +} + +unsigned char CConf::getFICHVOIP() const +{ + return m_fichVOIP; +} + +unsigned char CConf::getFICHDataType() const +{ + return m_fichDataType; +} + +unsigned char CConf::getFICHSQLType() const +{ + return m_fichSQLType; +} + +unsigned char CConf::getFICHSQLCode() const +{ + return m_fichSQLCode; +} + +std::vector CConf::getYsfDT1() +{ + return m_ysfDT1; +} + +std::vector CConf::getYsfDT2() +{ + return m_ysfDT2; +} + +std::string CConf::getYsfRadioID() +{ + return m_ysfRadioID; +} + +bool CConf::getYSFDebug() const +{ + return m_ysfDebug; +} + +unsigned int CConf::getLogDisplayLevel() const +{ + return m_logDisplayLevel; +} + +unsigned int CConf::getLogFileLevel() const +{ + return m_logFileLevel; +} + +std::string CConf::getLogFilePath() const +{ + return m_logFilePath; +} + +std::string CConf::getLogFileRoot() const +{ + return m_logFileRoot; +} diff --git a/DSTAR2YSF/Conf.h b/DSTAR2YSF/Conf.h new file mode 100644 index 0000000..11674f5 --- /dev/null +++ b/DSTAR2YSF/Conf.h @@ -0,0 +1,119 @@ +/* + * Copyright (C) 2015-2019 by Jonathan Naylor G4KLX + * Copyright (C) 2018,2019 by Andy Uribe CA6JAU + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(CONF_H) +#define CONF_H + +#include +#include + +class CConf +{ +public: + CConf(const std::string& file); + ~CConf(); + + bool read(); + + // The Info section + std::string getMycall() const; + std::string getUrcall() const; + std::string getRptr1() const; + std::string getRptr2() const; + std::string getSuffix() const; + std::string getUserTxt() const; + std::string getVocoderDevice() const; + + // The DSTAR Network section + bool getDaemon() const; + std::string getDSTARDstAddress() const; + unsigned int getDSTARDstPort() const; + std::string getDSTARLocalAddress() const; + unsigned int getDSTARLocalPort() const; + std::string getDSTARTGListFile() const; + bool getDSTARNetworkDebug() const; + + // The YSF Network section + std::string getCallsign() const; + std::string getDstAddress() const; + unsigned int getDstPort() const; + std::string getLocalAddress() const; + unsigned int getLocalPort() const; + std::string getFCSFile() const; + unsigned char getFICHCallSign() const; + unsigned char getFICHCallMode() const; + unsigned char getFICHFrameTotal() const; + unsigned char getFICHMessageRoute() const; + unsigned char getFICHVOIP() const; + unsigned char getFICHDataType() const; + unsigned char getFICHSQLType() const; + unsigned char getFICHSQLCode() const; + std::vector getYsfDT1(); + std::vector getYsfDT2(); + std::string getYsfRadioID(); + bool getYSFDebug() const; + + // The Log section + unsigned int getLogDisplayLevel() const; + unsigned int getLogFileLevel() const; + std::string getLogFilePath() const; + std::string getLogFileRoot() const; + +private: + std::string m_file; + std::string m_mycall; + std::string m_urcall; + std::string m_rptr1; + std::string m_rptr2; + std::string m_suffix; + std::string m_userTxt; + std::string m_vocoderDevice; + std::string m_dstarDstAddress; + unsigned int m_dstarDstPort; + std::string m_dstarLocalAddress; + unsigned int m_dstarLocalPort; + bool m_daemon; + bool m_dstarNetworkDebug; + + std::string m_callsign; + std::string m_dstAddress; + unsigned int m_dstPort; + std::string m_localAddress; + unsigned int m_localPort; + std::string m_fcsFile; + unsigned char m_fichCallSign; + unsigned char m_fichCallMode; + unsigned char m_fichFrameTotal; + unsigned char m_fichMessageRoute; + unsigned char m_fichVOIP; + unsigned char m_fichDataType; + unsigned char m_fichSQLType; + unsigned char m_fichSQLCode; + std::vector m_ysfDT1; + std::vector m_ysfDT2; + std::string m_ysfRadioID; + bool m_ysfDebug; + + unsigned int m_logDisplayLevel; + unsigned int m_logFileLevel; + std::string m_logFilePath; + std::string m_logFileRoot; +}; + +#endif diff --git a/DSTAR2YSF/DSTAR2YSF b/DSTAR2YSF/DSTAR2YSF new file mode 100755 index 0000000..03daf0d Binary files /dev/null and b/DSTAR2YSF/DSTAR2YSF differ diff --git a/DSTAR2YSF/DSTAR2YSF.cpp b/DSTAR2YSF/DSTAR2YSF.cpp new file mode 100644 index 0000000..38f8fc0 --- /dev/null +++ b/DSTAR2YSF/DSTAR2YSF.cpp @@ -0,0 +1,648 @@ +/* +* Copyright (C) 2016,2017 by Jonathan Naylor G4KLX +* Copyright (C) 2018,2019 by Andy Uribe CA6JAU +* Copyright (C) 2018 by Manuel Sanchez EA7EE +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "DSTAR2YSF.h" + +#include +#include +#include +#include +#include +#include + +#define BUFSIZE 1024 + +#define DSTAR_FRAME_PER 15U +#define YSF_FRAME_PER 90U + +const unsigned char CONN_RESP[] = {0x5DU, 0x41U, 0x5FU, 0x26U}; +const char* DEFAULT_INI_FILE = "/etc/DSTAR2YSF.ini"; + +const char* HEADER1 = "This software is for use on amateur radio networks only,"; +const char* HEADER2 = "it is to be used for educational purposes only. Its use on"; +const char* HEADER3 = "commercial networks is strictly prohibited."; +const char* HEADER4 = "Copyright(C) 2018,2019 by CA6JAU, G4KLX and others"; + +#include +#include +#include +#include +#include +#include +#include + +int end = 0; + +void sig_handler(int signo) +{ + if (signo == SIGTERM) { + end = 1; + ::fprintf(stdout, "Received SIGTERM\n"); + } +} + +int main(int argc, char** argv) +{ + const char* iniFile = DEFAULT_INI_FILE; + if (argc > 1) { + for (int currentArg = 1; currentArg < argc; ++currentArg) { + std::string arg = argv[currentArg]; + if ((arg == "-v") || (arg == "--version")) { + ::fprintf(stdout, "DSTAR2YSF version %s\n", VERSION); + return 0; + } else if (arg.substr(0, 1) == "-") { + ::fprintf(stderr, "Usage: DSTAR2YSF [-v|--version] [filename]\n"); + return 1; + } else { + iniFile = argv[currentArg]; + } + } + } + + // Capture SIGTERM to finish gracelessly + if (signal(SIGTERM, sig_handler) == SIG_ERR) + ::fprintf(stdout, "Can't catch SIGTERM\n"); + + CDSTAR2YSF* gateway = new CDSTAR2YSF(std::string(iniFile)); + + int ret = gateway->run(); + + delete gateway; + + return ret; +} + +CDSTAR2YSF::CDSTAR2YSF(const std::string& configFile) : +m_conf(configFile), +m_conv("/dev/ttyUSB0") +{ + m_dstarFrame = new unsigned char[200U]; + m_ysfFrame = new unsigned char[200U]; + ::memset(m_dstarFrame, 0U, 200U); + ::memset(m_ysfFrame, 0U, 200U); +} + +CDSTAR2YSF::~CDSTAR2YSF() +{ + delete[] m_dstarFrame; +} + +int CDSTAR2YSF::run() +{ + bool ret = m_conf.read(); + if (!ret) { + ::fprintf(stderr, "DSTAR2YSF: cannot read the .ini file\n"); + return 1; + } + + setlocale(LC_ALL, "C"); + + unsigned int logDisplayLevel = m_conf.getLogDisplayLevel(); + + if(m_conf.getDaemon()) + logDisplayLevel = 0U; + + bool m_daemon = m_conf.getDaemon(); + if (m_daemon) { + // Create new process + pid_t pid = ::fork(); + if (pid == -1) { + ::fprintf(stderr, "Couldn't fork() , exiting\n"); + return -1; + } else if (pid != 0) + exit(EXIT_SUCCESS); + + // Create new session and process group + if (::setsid() == -1) { + ::fprintf(stderr, "Couldn't setsid(), exiting\n"); + return -1; + } + + // Set the working directory to the root directory + if (::chdir("/") == -1) { + ::fprintf(stderr, "Couldn't cd /, exiting\n"); + return -1; + } + + //If we are currently root... + if (getuid() == 0) { + struct passwd* user = ::getpwnam("mmdvm"); + if (user == NULL) { + ::fprintf(stderr, "Could not get the mmdvm user, exiting\n"); + return -1; + } + + uid_t mmdvm_uid = user->pw_uid; + gid_t mmdvm_gid = user->pw_gid; + + //Set user and group ID's to mmdvm:mmdvm + if (setgid(mmdvm_gid) != 0) { + ::fprintf(stderr, "Could not set mmdvm GID, exiting\n"); + return -1; + } + + if (setuid(mmdvm_uid) != 0) { + ::fprintf(stderr, "Could not set mmdvm UID, exiting\n"); + return -1; + } + + //Double check it worked (AKA Paranoia) + if (setuid(0) != -1) { + ::fprintf(stderr, "It's possible to regain root - something is wrong!, exiting\n"); + return -1; + } + } + } + + ret = ::LogInitialise(m_conf.getLogFilePath(), m_conf.getLogFileRoot(), m_conf.getLogFileLevel(), logDisplayLevel); + if (!ret) { + ::fprintf(stderr, "DSTAR2YSF: unable to open the log file\n"); + return 1; + } + + if (m_daemon) { + ::close(STDIN_FILENO); + ::close(STDOUT_FILENO); + ::close(STDERR_FILENO); + } + + LogInfo(HEADER1); + LogInfo(HEADER2); + LogInfo(HEADER3); + LogInfo(HEADER4); + + m_callsign = m_conf.getCallsign(); + std::string mycall = m_conf.getMycall(); + std::string urcall = m_conf.getUrcall(); + std::string rptr1 = m_conf.getRptr1(); + std::string rptr2 = m_conf.getRptr2(); + std::string suffix = m_conf.getSuffix(); + + char usertxt[20]; + ::memset(usertxt, 0x20, 20); + ::memcpy(usertxt, m_conf.getUserTxt().c_str(), (m_conf.getUserTxt().size() <= 20) ? m_conf.getUserTxt().size() : 20); + + std::string dstar_dstAddress = m_conf.getDSTARDstAddress(); + unsigned int dstar_dstPort = m_conf.getDSTARDstPort(); + std::string dstar_localAddress = m_conf.getDSTARLocalAddress(); + unsigned int dstar_localPort = m_conf.getDSTARLocalPort(); + bool dstar_debug = m_conf.getDSTARNetworkDebug(); + + m_dstarNetwork = new CDSTARNetwork(dstar_localAddress, dstar_localPort, dstar_dstAddress, dstar_dstPort, mycall, dstar_debug); + + ret = m_dstarNetwork->open(); + if (!ret) { + ::LogError("Cannot open the DSTAR network port"); + ::LogFinalise(); + return 1; + } + + in_addr dstAddress = CUDPSocket::lookup(m_conf.getDstAddress()); + unsigned int dstPort = m_conf.getDstPort(); + std::string localAddress = m_conf.getLocalAddress(); + unsigned int localPort = m_conf.getLocalPort(); + unsigned int ysfdebug = m_conf.getYSFDebug(); + + m_ysfNetwork = new CYSFNetwork(localAddress, localPort, m_callsign, ysfdebug); + m_ysfNetwork->setDestination(dstAddress, dstPort); + + ret = m_ysfNetwork->open(); + if (!ret) { + ::LogError("Cannot open the YSF network port"); + ::LogFinalise(); + return 1; + } + + CTimer pollTimer(1000U, 5U); + + CStopWatch stopWatch; + CStopWatch dstarWatch; + CStopWatch ysfWatch; + stopWatch.start(); + dstarWatch.start(); + ysfWatch.start(); + pollTimer.start(); + + unsigned char dstar_cnt = 0; + unsigned char ysf_cnt = 0; + + LogMessage("Starting DSTAR2YSF-%s", VERSION); + + for (; end == 0;) { + unsigned char buffer[2000U]; + unsigned char data[41U]; + int16_t pcm[160]; + memset(pcm, 0, sizeof(pcm)); + unsigned int ms = stopWatch.elapsed(); + + while (m_ysfNetwork->read(buffer) > 0U) { + CYSFFICH fich; + bool valid = fich.decode(buffer + 35U); + + if (valid) { + unsigned char fi = fich.getFI(); + unsigned char dt = fich.getDT(); + unsigned char fn = fich.getFN(); + unsigned char ft = fich.getFT(); + + if (::memcmp(buffer, "YSFD", 4U) == 0U) { + processWiresX(buffer + 35U, fi, dt, fn, ft); + + if (dt == YSF_DT_VD_MODE2) { + CYSFPayload ysfPayload; + + if (fi == YSF_FI_HEADER) { + if (ysfPayload.processHeaderData(buffer + 35U)) { + std::string ysfSrc = ysfPayload.getSource(); + std::string ysfDst = ysfPayload.getDest(); + LogMessage("Received YSF Header: Src: %s Dst: %s", ysfSrc.c_str(), ysfDst.c_str()); + m_conv.putYSFHeader(); + } + } else if (fi == YSF_FI_TERMINATOR) { + LogMessage("YSF received end of voice transmission"); + m_conv.putYSFEOT(); + } else if (fi == YSF_FI_COMMUNICATIONS) { + m_conv.putYSF(buffer + 35U); + } + } + } + } + } + if (dstarWatch.elapsed() > DSTAR_FRAME_PER) { + unsigned int dstarFrameType = m_conv.getDSTAR(m_dstarFrame); + + fprintf(stderr, "type:ms %d:%d\n", dstarFrameType, dstarWatch.elapsed()); + + if(dstarFrameType == TAG_HEADER) { + data[0] = 0; + data[1] = 0; + data[2] = 0; + + ::memcpy(data+3, rptr2.c_str(), rptr2.size()); + ::memset(data+3+rptr2.size(), 0x20, 8-rptr2.size()); + + ::memcpy(data+11, rptr1.c_str(), rptr1.size()); + ::memset(data+11+rptr1.size(), 0x20, 8-rptr1.size()); + + ::memcpy(data+19, urcall.c_str(), urcall.size()); + ::memset(data+19+urcall.size(), 0x20, 8-urcall.size()); + + ::memcpy(data+27, mycall.c_str(), mycall.size()); + ::memset(data+27+mycall.size(), 0x20, 8-mycall.size()); + + ::memcpy(data+35, suffix.c_str(), 4); + + data[39] = 0xea; + data[40] = 0x7e; + m_dstarNetwork->writeHeader(data, 41U); + //m_dstarNetwork->writeHeader(data, 41U); + dstar_cnt = 0U; + //dstarWatch.start(); + + } + else if(dstarFrameType == TAG_EOT) { + ::memcpy(data, m_dstarFrame, 9); + if(dstar_cnt % 0x15 == 0){ + data[9] = 0x55; + data[10] = 0x2d; + data[11] = 0x16; + } + else{ + data[9] = 0; + data[10] = 0; + data[11] = 0; + } + m_dstarNetwork->writeData(data, 12U, true); + //dstarWatch.start(); + } + else if(dstarFrameType == TAG_DATA) { + ::memcpy(data, m_dstarFrame, 9); + switch(dstar_cnt){ + case 0: + data[9] = 0x55; + data[10] = 0x2d; + data[11] = 0x16; + break; + case 1: + data[9] = 0x40 ^ 0x70; + data[10] = usertxt[0] ^ 0x4f; + data[11] = usertxt[1] ^ 0x93; + break; + case 2: + data[9] = usertxt[2] ^ 0x70; + data[10] = usertxt[3] ^ 0x4f; + data[11] = usertxt[4] ^ 0x93; + break; + case 3: + data[9] = 0x41 ^ 0x70; + data[10] = usertxt[5] ^ 0x4f; + data[11] = usertxt[6] ^ 0x93; + break; + case 4: + data[9] = usertxt[7] ^ 0x70; + data[10] = usertxt[8] ^ 0x4f; + data[11] = usertxt[9] ^ 0x93; + break; + case 5: + data[9] = 0x42 ^ 0x70; + data[10] = usertxt[10] ^ 0x4f; + data[11] = usertxt[11] ^ 0x93; + break; + case 6: + data[9] = usertxt[12] ^ 0x70; + data[10] = usertxt[13] ^ 0x4f; + data[11] = usertxt[14] ^ 0x93; + break; + case 7: + data[9] = 0x43 ^ 0x70; + data[10] = usertxt[15] ^ 0x4f; + data[11] = usertxt[16] ^ 0x93; + break; + case 8: + data[9] = usertxt[17] ^ 0x70; + data[10] = usertxt[18] ^ 0x4f; + data[11] = usertxt[19] ^ 0x93; + break; + default: + data[9] = 0x16; + data[10] = 0x29; + data[11] = 0xf5; + break; + } + + m_dstarNetwork->writeData(data, 12U, false); + //CUtils::dump(1U, "P25 Data", m_p25Frame, 11U); + (dstar_cnt >= 0x14) ? dstar_cnt = 0 : ++dstar_cnt; + //dstarWatch.start(); + } + dstarWatch.start(); + } + + if (m_dstarNetwork->readData(m_dstarFrame, 49U) > 0U) { + if(::memcmp("DSRP ", m_dstarFrame, 5) == 0){ + m_conv.putDSTARHeader(); + } + if(::memcmp("DSRP!", m_dstarFrame, 5) == 0){ + m_conv.putDSTAR(m_dstarFrame + 9); + } + //CUtils::dump(1U, "DSTAR Data", m_dstarFrame, 49U); + } + + if (ysfWatch.elapsed() > YSF_FRAME_PER) { + unsigned int ysfFrameType = m_conv.getYSF(m_ysfFrame + 35U); + + //fprintf(stderr, "type:ms %d:%d\n", ysfFrameType, ysfWatch.elapsed()); + + if(ysfFrameType == TAG_HEADER) { + ysf_cnt = 0U; + + ::memcpy(m_ysfFrame + 0U, "YSFD", 4U); + ::memcpy(m_ysfFrame + 4U, m_callsign.c_str(), YSF_CALLSIGN_LENGTH); + ::memcpy(m_ysfFrame + 14U, m_callsign.c_str(), YSF_CALLSIGN_LENGTH); + ::memcpy(m_ysfFrame + 24U, "ALL ", YSF_CALLSIGN_LENGTH); + m_ysfFrame[34U] = 0U; // Net frame counter + + ::memcpy(m_ysfFrame + 35U, YSF_SYNC_BYTES, YSF_SYNC_LENGTH_BYTES); + + // Set the FICH + CYSFFICH fich; + fich.setFI(YSF_FI_HEADER); + fich.setCS(m_conf.getFICHCallSign()); + fich.setCM(m_conf.getFICHCallMode()); + fich.setBN(0U); + fich.setBT(0U); + fich.setFN(0U); + fich.setFT(m_conf.getFICHFrameTotal()); + fich.setDev(0U); + fich.setMR(m_conf.getFICHMessageRoute()); + fich.setVoIP(m_conf.getFICHVOIP()); + fich.setDT(m_conf.getFICHDataType()); + fich.setSQL(m_conf.getFICHSQLType()); + fich.setSQ(m_conf.getFICHSQLCode()); + fich.encode(m_ysfFrame + 35U); + + unsigned char csd1[20U], csd2[20U]; + memset(csd1, '*', YSF_CALLSIGN_LENGTH); + memset(csd1, '*', YSF_CALLSIGN_LENGTH/2); + memcpy(csd1 + YSF_CALLSIGN_LENGTH/2, m_conf.getYsfRadioID().c_str(), YSF_CALLSIGN_LENGTH/2); + memcpy(csd1 + YSF_CALLSIGN_LENGTH, m_callsign.c_str(), YSF_CALLSIGN_LENGTH); + memset(csd2, ' ', YSF_CALLSIGN_LENGTH + YSF_CALLSIGN_LENGTH); + + CYSFPayload payload; + payload.writeHeader(m_ysfFrame + 35U, csd1, csd2); + + m_ysfNetwork->write(m_ysfFrame); + + ysf_cnt++; + //ysfWatch.start(); + } + else if (ysfFrameType == TAG_EOT) { + + ::memcpy(m_ysfFrame + 0U, "YSFD", 4U); + ::memcpy(m_ysfFrame + 4U, m_callsign.c_str(), YSF_CALLSIGN_LENGTH); + ::memcpy(m_ysfFrame + 14U, m_callsign.c_str(), YSF_CALLSIGN_LENGTH); + ::memcpy(m_ysfFrame + 24U, "ALL ", YSF_CALLSIGN_LENGTH); + m_ysfFrame[34U] = ysf_cnt; // Net frame counter + + ::memcpy(m_ysfFrame + 35U, YSF_SYNC_BYTES, YSF_SYNC_LENGTH_BYTES); + + // Set the FICH + CYSFFICH fich; + fich.setFI(YSF_FI_TERMINATOR); + fich.setCS(m_conf.getFICHCallSign()); + fich.setCM(m_conf.getFICHCallMode()); + fich.setBN(0U); + fich.setBT(0U); + fich.setFN(0U); + fich.setFT(m_conf.getFICHFrameTotal()); + fich.setDev(0U); + fich.setMR(m_conf.getFICHMessageRoute()); + fich.setVoIP(m_conf.getFICHVOIP()); + fich.setDT(m_conf.getFICHDataType()); + fich.setSQL(m_conf.getFICHSQLType()); + fich.setSQ(m_conf.getFICHSQLCode()); + fich.encode(m_ysfFrame + 35U); + + unsigned char csd1[20U], csd2[20U]; + memset(csd1, '*', YSF_CALLSIGN_LENGTH/2); + memcpy(csd1 + YSF_CALLSIGN_LENGTH/2, m_conf.getYsfRadioID().c_str(), YSF_CALLSIGN_LENGTH/2); + memcpy(csd1 + YSF_CALLSIGN_LENGTH, m_callsign.c_str(), YSF_CALLSIGN_LENGTH); + memset(csd2, ' ', YSF_CALLSIGN_LENGTH + YSF_CALLSIGN_LENGTH); + + CYSFPayload payload; + payload.writeHeader(m_ysfFrame + 35U, csd1, csd2); + + m_ysfNetwork->write(m_ysfFrame); + } + else if (ysfFrameType == TAG_DATA) { + + CYSFFICH fich; + CYSFPayload ysfPayload; + unsigned char dch[10U]; + + unsigned int fn = (ysf_cnt - 1U) % (m_conf.getFICHFrameTotal() + 1); + + ::memcpy(m_ysfFrame + 0U, "YSFD", 4U); + ::memcpy(m_ysfFrame + 4U, m_callsign.c_str(), YSF_CALLSIGN_LENGTH); + ::memcpy(m_ysfFrame + 14U, m_callsign.c_str(), YSF_CALLSIGN_LENGTH); + ::memcpy(m_ysfFrame + 24U, "ALL ", YSF_CALLSIGN_LENGTH); + + ::memcpy(m_ysfFrame + 35U, YSF_SYNC_BYTES, YSF_SYNC_LENGTH_BYTES); + + switch (fn) { + case 0: + memset(dch, '*', YSF_CALLSIGN_LENGTH/2); + memcpy(dch + YSF_CALLSIGN_LENGTH/2, m_conf.getYsfRadioID().c_str(), YSF_CALLSIGN_LENGTH/2); + ysfPayload.writeVDMode2Data(m_ysfFrame + 35U, dch); + break; + case 1: + ysfPayload.writeVDMode2Data(m_ysfFrame + 35U, (unsigned char*)m_callsign.c_str()); + break; + case 2: + ysfPayload.writeVDMode2Data(m_ysfFrame + 35U, (unsigned char*)m_callsign.c_str()); + break; + case 5: + memset(dch, ' ', YSF_CALLSIGN_LENGTH/2); + memcpy(dch + YSF_CALLSIGN_LENGTH/2, m_conf.getYsfRadioID().c_str(), YSF_CALLSIGN_LENGTH/2); + ysfPayload.writeVDMode2Data(m_ysfFrame + 35U, dch); // Rem3/4 + break; + case 6: { + unsigned char dt1[10U] = {0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U}; + for (unsigned int i = 0U; i < m_conf.getYsfDT1().size() && i < 10U; i++) + dt1[i] = m_conf.getYsfDT1()[i]; + ysfPayload.writeVDMode2Data(m_ysfFrame + 35U, dt1); + } + break; + case 7: { + unsigned char dt2[10U] = {0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U}; + for (unsigned int i = 0U; i < m_conf.getYsfDT2().size() && i < 10U; i++) + dt2[i] = m_conf.getYsfDT2()[i]; + ysfPayload.writeVDMode2Data(m_ysfFrame + 35U, dt2); + } + break; + default: + ysfPayload.writeVDMode2Data(m_ysfFrame + 35U, (const unsigned char*)" "); + } + + // Set the FICH + fich.setFI(YSF_FI_COMMUNICATIONS); + fich.setCS(m_conf.getFICHCallSign()); + fich.setCM(m_conf.getFICHCallMode()); + fich.setBN(0U); + fich.setBT(0U); + fich.setFN(fn); + fich.setFT(m_conf.getFICHFrameTotal()); + fich.setDev(0U); + fich.setMR(m_conf.getFICHMessageRoute()); + fich.setVoIP(m_conf.getFICHVOIP()); + fich.setDT(m_conf.getFICHDataType()); + fich.setSQL(m_conf.getFICHSQLType()); + fich.setSQ(m_conf.getFICHSQLCode()); + fich.encode(m_ysfFrame + 35U); + + // Net frame counter + m_ysfFrame[34U] = (ysf_cnt & 0x7FU) << 1; + + // Send data + m_ysfNetwork->write(m_ysfFrame); + + ysf_cnt++; + //ysfWatch.start(); + } + ysfWatch.start(); + } + + + stopWatch.start(); + m_ysfNetwork->clock(ms); + pollTimer.clock(ms); + + if (pollTimer.isRunning() && pollTimer.hasExpired()) { + //m_dstarNetwork->writePoll(); + pollTimer.start(); + } + + if (ms < 5U) + ::usleep(5 * 1000); + } + + m_dstarNetwork->close(); + + delete m_dstarNetwork; + + ::LogFinalise(); + + return 0; +} + +void CDSTAR2YSF::processWiresX(const unsigned char* data, unsigned char fi, unsigned char dt, unsigned char fn, unsigned char ft) +{ + assert(data != NULL); + unsigned char command[300U]; + + if (dt != YSF_DT_DATA_FR_MODE) + return; + + if (fi != YSF_FI_COMMUNICATIONS) + return; + + CYSFPayload payload; + + if (fn == 0U) + return; + + if (fn == 1U) { + bool valid = payload.readDataFRModeData2(data, command + 0U); + if (!valid) + return; + } else { + bool valid = payload.readDataFRModeData1(data, command + (fn - 2U) * 40U + 20U); + if (!valid) + return; + + valid = payload.readDataFRModeData2(data, command + (fn - 2U) * 40U + 40U); + if (!valid) + return; + } + + if (fn == ft) { + bool valid = false; + // Find the end marker + for (unsigned int i = (fn - 1U) * 40U + 20U; i > 0U; i--) { + if (command[i] == 0x03U) { + unsigned char crc = CCRC::addCRC(command, i + 1U); + if (crc == command[i + 1U]) + valid = true; + break; + } + } + + if (!valid) + return; + + if (::memcmp(command + 1U, CONN_RESP, 4U) == 0) { + LogMessage("Reflector connected OK"); + return; + } + } + + return; +} + diff --git a/DSTAR2YSF/DSTAR2YSF.h b/DSTAR2YSF/DSTAR2YSF.h new file mode 100644 index 0000000..ade81b6 --- /dev/null +++ b/DSTAR2YSF/DSTAR2YSF.h @@ -0,0 +1,61 @@ +/* +* Copyright (C) 2016 by Jonathan Naylor G4KLX +* Copyright (C) 2018 by Andy Uribe CA6JAU +* Copyright (C) 2018 by Manuel Sanchez EA7EE +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#if !defined(DSTAR2YSF_H) +#define DSTAR2YSF_H + +#include "DSTARNetwork.h" +#include "ModeConv.h" +#include "UDPSocket.h" +#include "StopWatch.h" +#include "Version.h" +#include "YSFPayload.h" +#include "YSFNetwork.h" +#include "YSFFICH.h" +#include "Timer.h" +#include "Utils.h" +#include "Conf.h" +#include "Log.h" +#include "CRC.h" + +#include + +class CDSTAR2YSF +{ +public: + CDSTAR2YSF(const std::string& configFile); + ~CDSTAR2YSF(); + + int run(); + +private: + std::string m_callsign; + CConf m_conf; + CDSTARNetwork* m_dstarNetwork; + CYSFNetwork* m_ysfNetwork; + unsigned char* m_ysfFrame; + CModeConv m_conv; + unsigned char* m_dstarFrame; + unsigned int m_dstarFrames; + + void processWiresX(const unsigned char* data, unsigned char fi, unsigned char dt, unsigned char fn, unsigned char ft); +}; + +#endif diff --git a/DSTAR2YSF/DSTAR2YSF.ini b/DSTAR2YSF/DSTAR2YSF.ini new file mode 100644 index 0000000..7f83ad7 --- /dev/null +++ b/DSTAR2YSF/DSTAR2YSF.ini @@ -0,0 +1,43 @@ +[Info] +Mycall=AD8DS +Urcall=CQCQCQ +Rptr1=AD8DP A +Rptr2=W8DTW G +Suffix=DUDD + +[YSF Network] +Callsign=G9BF +GatewayAddress=127.0.0.1 +GatewayPort=4200 +LocalAddress=127.0.0.1 +LocalPort=3200 +FCSRooms=FCSRooms.txt +# RadioID=***** +# FICHCallsign=2 +# FICHCallMode=0 +# FICHFrameTotal=6 +# FICHMessageRoute=0 +# FICHVOIP=0 +# FICHDataType=2 +# FICHSQLType=0 +# FICHSQLCode=0 +DT1=1,34,97,95,43,3,17,0,0,0 +DT2=0,0,0,0,108,32,28,32,3,8 +Daemon=0 +Debug=0 + +[DSTAR Network] +DstAddress=127.0.0.1 +DstPort=20011 +LocalAddress=127.0.0.1 +LocalPort=20009 +Daemon=0 +Debug=1 + +[Log] +# Logging levels, 0=No logging +DisplayLevel=1 +FileLevel=1 +FilePath=. +FileRoot=DSTAR2YSF + diff --git a/DSTAR2YSF/DSTARNetwork.cpp b/DSTAR2YSF/DSTARNetwork.cpp new file mode 100644 index 0000000..80afa8c --- /dev/null +++ b/DSTAR2YSF/DSTARNetwork.cpp @@ -0,0 +1,168 @@ +/* + * Copyright (C) 2009-2014,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "DSTARNetwork.h" +#include "Utils.h" +#include "Log.h" + +#include +#include +#include + +CDSTARNetwork::CDSTARNetwork(const std::string& localAddress, unsigned int localPort, const std::string& gatewayAddress, unsigned int gatewayPort, const std::string& callsign, bool debug) : +m_callsign(callsign), +m_address(), +m_port(gatewayPort), +m_socket(localAddress, localPort), +m_debug(debug) +{ + m_callsign.resize(10U, ' '); + m_address = CUDPSocket::lookup(gatewayAddress); +} + +CDSTARNetwork::~CDSTARNetwork() +{ +} + +bool CDSTARNetwork::open() +{ + LogInfo("Opening DSTAR network connection"); + + return m_socket.open(); +} + +bool CDSTARNetwork::writeHeader(const unsigned char* header, unsigned int length) +{ + assert(header != NULL); + + unsigned char buffer[50U]; + + buffer[0] = 'D'; + buffer[1] = 'S'; + buffer[2] = 'R'; + buffer[3] = 'P'; + buffer[4] = 0x20U; + + // Create a random id for this transmission + //std::uniform_int_distribution dist(0x0001, 0xfffe); + //m_outId = 0x1234;//dist(m_random); + m_outId = rand() % 65536; + + buffer[5] = m_outId / 256U; // Unique session id + buffer[6] = m_outId % 256U; + + buffer[7] = 0U; + + ::memcpy(buffer + 8U, header, length); + + m_outSeq = 0U; + + + + for (unsigned int i = 0U; i < 2U; i++) { + bool ret = m_socket.write(buffer, 49U, m_address, m_port); + if (m_debug) + CUtils::dump(1U, "D-Star Network Header Sent", buffer, 49U); + + if (!ret) + return false; + } + + return true; +} + +bool CDSTARNetwork::writeData(const unsigned char* data, unsigned int length, bool end) +{ + assert(data != NULL); + + unsigned char buffer[30U]; + + buffer[0] = 'D'; + buffer[1] = 'S'; + buffer[2] = 'R'; + buffer[3] = 'P'; + buffer[4] = 0x21U; + buffer[5] = m_outId / 256U; // Unique session id + buffer[6] = m_outId % 256U; + + // If this is a data sync, reset the sequence to zero + if (data[9] == 0x55 && data[10] == 0x2D && data[11] == 0x16) + m_outSeq = 0U; + + buffer[7] = m_outSeq; + if (end) + buffer[7] |= 0x40U; // End of data marker + + buffer[8] = 0; + + m_outSeq++; + if (m_outSeq > 0x14U) + m_outSeq = 0U; + + ::memcpy(buffer + 9U, data, length); + + if (m_debug) + CUtils::dump(1U, "D-Star Network Data Sent", buffer, length + 9U); + + return m_socket.write(buffer, length + 9U, m_address, m_port); +} + +bool CDSTARNetwork::writePoll() +{ + unsigned char data[15U]; + + data[0U] = 0xF0U; + + for (unsigned int i = 0U; i < 10U; i++) + data[i + 1U] = m_callsign.at(i); + + if (m_debug) + CUtils::dump(1U, "DSTAR Network Poll Sent", data, 11U); + + return m_socket.write(data, 11U, m_address, m_port); +} + +unsigned int CDSTARNetwork::readData(unsigned char* data, unsigned int length) +{ + assert(data != NULL); + assert(length > 0U); + + in_addr address; + unsigned int port; + int len = m_socket.read(data, length, address, port); + if (len <= 0) + return 0U; + + // Check if the data is for us + if (m_address.s_addr != address.s_addr || port != m_port) { + LogMessage("DSTAR packet received from an invalid source, %08X != %08X and/or %u != %u", m_address.s_addr, address.s_addr, m_port, port); + return 0U; + } + + if (m_debug) + CUtils::dump(1U, "DSTAR Network Data Received", data, len); + + return len; +} + +void CDSTARNetwork::close() +{ + m_socket.close(); + + LogInfo("Closing DSTAR network connection"); +} diff --git a/DSTAR2YSF/DSTARNetwork.h b/DSTAR2YSF/DSTARNetwork.h new file mode 100644 index 0000000..f2f29d0 --- /dev/null +++ b/DSTAR2YSF/DSTARNetwork.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2009-2014,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef DSTARNetwork_H +#define DSTARNetwork_H + +#include "UDPSocket.h" + +#include +#include + +class CDSTARNetwork { +public: + CDSTARNetwork(const std::string& localAddress, unsigned int localPort, const std::string& gatewayAddress, unsigned int gatewayPort, const std::string& callsign, bool debug); + ~CDSTARNetwork(); + + bool open(); + bool writeHeader(const unsigned char* data, unsigned int length); + bool writeData(const unsigned char* data, unsigned int length, bool end); + unsigned int readData(unsigned char* data, unsigned int length); + bool writePoll(); + void close(); + +private: + std::string m_callsign; + in_addr m_address; + unsigned int m_port; + CUDPSocket m_socket; + bool m_debug; + uint16_t m_outId; + uint8_t m_outSeq; +}; + +#endif diff --git a/DSTAR2YSF/Golay24128.cpp b/DSTAR2YSF/Golay24128.cpp new file mode 100644 index 0000000..417da00 --- /dev/null +++ b/DSTAR2YSF/Golay24128.cpp @@ -0,0 +1,1108 @@ +/* + * Copyright (C) 2010,2016 by Jonathan Naylor G4KLX + * Copyright (C) 2002 by Robert H. Morelos-Zaragoza. All rights reserved. + */ + +#include "Golay24128.h" + +#include +#include + +const unsigned int ENCODING_TABLE_23127[] = { + 0x000000U, 0x0018EAU, 0x00293EU, 0x0031D4U, 0x004A96U, 0x00527CU, 0x0063A8U, 0x007B42U, 0x008DC6U, 0x00952CU, + 0x00A4F8U, 0x00BC12U, 0x00C750U, 0x00DFBAU, 0x00EE6EU, 0x00F684U, 0x010366U, 0x011B8CU, 0x012A58U, 0x0132B2U, + 0x0149F0U, 0x01511AU, 0x0160CEU, 0x017824U, 0x018EA0U, 0x01964AU, 0x01A79EU, 0x01BF74U, 0x01C436U, 0x01DCDCU, + 0x01ED08U, 0x01F5E2U, 0x0206CCU, 0x021E26U, 0x022FF2U, 0x023718U, 0x024C5AU, 0x0254B0U, 0x026564U, 0x027D8EU, + 0x028B0AU, 0x0293E0U, 0x02A234U, 0x02BADEU, 0x02C19CU, 0x02D976U, 0x02E8A2U, 0x02F048U, 0x0305AAU, 0x031D40U, + 0x032C94U, 0x03347EU, 0x034F3CU, 0x0357D6U, 0x036602U, 0x037EE8U, 0x03886CU, 0x039086U, 0x03A152U, 0x03B9B8U, + 0x03C2FAU, 0x03DA10U, 0x03EBC4U, 0x03F32EU, 0x040D98U, 0x041572U, 0x0424A6U, 0x043C4CU, 0x04470EU, 0x045FE4U, + 0x046E30U, 0x0476DAU, 0x04805EU, 0x0498B4U, 0x04A960U, 0x04B18AU, 0x04CAC8U, 0x04D222U, 0x04E3F6U, 0x04FB1CU, + 0x050EFEU, 0x051614U, 0x0527C0U, 0x053F2AU, 0x054468U, 0x055C82U, 0x056D56U, 0x0575BCU, 0x058338U, 0x059BD2U, + 0x05AA06U, 0x05B2ECU, 0x05C9AEU, 0x05D144U, 0x05E090U, 0x05F87AU, 0x060B54U, 0x0613BEU, 0x06226AU, 0x063A80U, + 0x0641C2U, 0x065928U, 0x0668FCU, 0x067016U, 0x068692U, 0x069E78U, 0x06AFACU, 0x06B746U, 0x06CC04U, 0x06D4EEU, + 0x06E53AU, 0x06FDD0U, 0x070832U, 0x0710D8U, 0x07210CU, 0x0739E6U, 0x0742A4U, 0x075A4EU, 0x076B9AU, 0x077370U, + 0x0785F4U, 0x079D1EU, 0x07ACCAU, 0x07B420U, 0x07CF62U, 0x07D788U, 0x07E65CU, 0x07FEB6U, 0x0803DAU, 0x081B30U, + 0x082AE4U, 0x08320EU, 0x08494CU, 0x0851A6U, 0x086072U, 0x087898U, 0x088E1CU, 0x0896F6U, 0x08A722U, 0x08BFC8U, + 0x08C48AU, 0x08DC60U, 0x08EDB4U, 0x08F55EU, 0x0900BCU, 0x091856U, 0x092982U, 0x093168U, 0x094A2AU, 0x0952C0U, + 0x096314U, 0x097BFEU, 0x098D7AU, 0x099590U, 0x09A444U, 0x09BCAEU, 0x09C7ECU, 0x09DF06U, 0x09EED2U, 0x09F638U, + 0x0A0516U, 0x0A1DFCU, 0x0A2C28U, 0x0A34C2U, 0x0A4F80U, 0x0A576AU, 0x0A66BEU, 0x0A7E54U, 0x0A88D0U, 0x0A903AU, + 0x0AA1EEU, 0x0AB904U, 0x0AC246U, 0x0ADAACU, 0x0AEB78U, 0x0AF392U, 0x0B0670U, 0x0B1E9AU, 0x0B2F4EU, 0x0B37A4U, + 0x0B4CE6U, 0x0B540CU, 0x0B65D8U, 0x0B7D32U, 0x0B8BB6U, 0x0B935CU, 0x0BA288U, 0x0BBA62U, 0x0BC120U, 0x0BD9CAU, + 0x0BE81EU, 0x0BF0F4U, 0x0C0E42U, 0x0C16A8U, 0x0C277CU, 0x0C3F96U, 0x0C44D4U, 0x0C5C3EU, 0x0C6DEAU, 0x0C7500U, + 0x0C8384U, 0x0C9B6EU, 0x0CAABAU, 0x0CB250U, 0x0CC912U, 0x0CD1F8U, 0x0CE02CU, 0x0CF8C6U, 0x0D0D24U, 0x0D15CEU, + 0x0D241AU, 0x0D3CF0U, 0x0D47B2U, 0x0D5F58U, 0x0D6E8CU, 0x0D7666U, 0x0D80E2U, 0x0D9808U, 0x0DA9DCU, 0x0DB136U, + 0x0DCA74U, 0x0DD29EU, 0x0DE34AU, 0x0DFBA0U, 0x0E088EU, 0x0E1064U, 0x0E21B0U, 0x0E395AU, 0x0E4218U, 0x0E5AF2U, + 0x0E6B26U, 0x0E73CCU, 0x0E8548U, 0x0E9DA2U, 0x0EAC76U, 0x0EB49CU, 0x0ECFDEU, 0x0ED734U, 0x0EE6E0U, 0x0EFE0AU, + 0x0F0BE8U, 0x0F1302U, 0x0F22D6U, 0x0F3A3CU, 0x0F417EU, 0x0F5994U, 0x0F6840U, 0x0F70AAU, 0x0F862EU, 0x0F9EC4U, + 0x0FAF10U, 0x0FB7FAU, 0x0FCCB8U, 0x0FD452U, 0x0FE586U, 0x0FFD6CU, 0x1007B4U, 0x101F5EU, 0x102E8AU, 0x103660U, + 0x104D22U, 0x1055C8U, 0x10641CU, 0x107CF6U, 0x108A72U, 0x109298U, 0x10A34CU, 0x10BBA6U, 0x10C0E4U, 0x10D80EU, + 0x10E9DAU, 0x10F130U, 0x1104D2U, 0x111C38U, 0x112DECU, 0x113506U, 0x114E44U, 0x1156AEU, 0x11677AU, 0x117F90U, + 0x118914U, 0x1191FEU, 0x11A02AU, 0x11B8C0U, 0x11C382U, 0x11DB68U, 0x11EABCU, 0x11F256U, 0x120178U, 0x121992U, + 0x122846U, 0x1230ACU, 0x124BEEU, 0x125304U, 0x1262D0U, 0x127A3AU, 0x128CBEU, 0x129454U, 0x12A580U, 0x12BD6AU, + 0x12C628U, 0x12DEC2U, 0x12EF16U, 0x12F7FCU, 0x13021EU, 0x131AF4U, 0x132B20U, 0x1333CAU, 0x134888U, 0x135062U, + 0x1361B6U, 0x13795CU, 0x138FD8U, 0x139732U, 0x13A6E6U, 0x13BE0CU, 0x13C54EU, 0x13DDA4U, 0x13EC70U, 0x13F49AU, + 0x140A2CU, 0x1412C6U, 0x142312U, 0x143BF8U, 0x1440BAU, 0x145850U, 0x146984U, 0x14716EU, 0x1487EAU, 0x149F00U, + 0x14AED4U, 0x14B63EU, 0x14CD7CU, 0x14D596U, 0x14E442U, 0x14FCA8U, 0x15094AU, 0x1511A0U, 0x152074U, 0x15389EU, + 0x1543DCU, 0x155B36U, 0x156AE2U, 0x157208U, 0x15848CU, 0x159C66U, 0x15ADB2U, 0x15B558U, 0x15CE1AU, 0x15D6F0U, + 0x15E724U, 0x15FFCEU, 0x160CE0U, 0x16140AU, 0x1625DEU, 0x163D34U, 0x164676U, 0x165E9CU, 0x166F48U, 0x1677A2U, + 0x168126U, 0x1699CCU, 0x16A818U, 0x16B0F2U, 0x16CBB0U, 0x16D35AU, 0x16E28EU, 0x16FA64U, 0x170F86U, 0x17176CU, + 0x1726B8U, 0x173E52U, 0x174510U, 0x175DFAU, 0x176C2EU, 0x1774C4U, 0x178240U, 0x179AAAU, 0x17AB7EU, 0x17B394U, + 0x17C8D6U, 0x17D03CU, 0x17E1E8U, 0x17F902U, 0x18046EU, 0x181C84U, 0x182D50U, 0x1835BAU, 0x184EF8U, 0x185612U, + 0x1867C6U, 0x187F2CU, 0x1889A8U, 0x189142U, 0x18A096U, 0x18B87CU, 0x18C33EU, 0x18DBD4U, 0x18EA00U, 0x18F2EAU, + 0x190708U, 0x191FE2U, 0x192E36U, 0x1936DCU, 0x194D9EU, 0x195574U, 0x1964A0U, 0x197C4AU, 0x198ACEU, 0x199224U, + 0x19A3F0U, 0x19BB1AU, 0x19C058U, 0x19D8B2U, 0x19E966U, 0x19F18CU, 0x1A02A2U, 0x1A1A48U, 0x1A2B9CU, 0x1A3376U, + 0x1A4834U, 0x1A50DEU, 0x1A610AU, 0x1A79E0U, 0x1A8F64U, 0x1A978EU, 0x1AA65AU, 0x1ABEB0U, 0x1AC5F2U, 0x1ADD18U, + 0x1AECCCU, 0x1AF426U, 0x1B01C4U, 0x1B192EU, 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0xCD2E54U, 0xCD36BEU, 0xCD4DFCU, 0xCD5516U, 0xCD64C2U, 0xCD7C28U, 0xCD8AACU, 0xCD9246U, + 0xCDA392U, 0xCDBB78U, 0xCDC03AU, 0xCDD8D0U, 0xCDE904U, 0xCDF1EEU, 0xCE02C0U, 0xCE1A2AU, 0xCE2BFEU, 0xCE3314U, + 0xCE4856U, 0xCE50BCU, 0xCE6168U, 0xCE7982U, 0xCE8F06U, 0xCE97ECU, 0xCEA638U, 0xCEBED2U, 0xCEC590U, 0xCEDD7AU, + 0xCEECAEU, 0xCEF444U, 0xCF01A6U, 0xCF194CU, 0xCF2898U, 0xCF3072U, 0xCF4B30U, 0xCF53DAU, 0xCF620EU, 0xCF7AE4U, + 0xCF8C60U, 0xCF948AU, 0xCFA55EU, 0xCFBDB4U, 0xCFC6F6U, 0xCFDE1CU, 0xCFEFC8U, 0xCFF722U, 0xD00DFAU, 0xD01510U, + 0xD024C4U, 0xD03C2EU, 0xD0476CU, 0xD05F86U, 0xD06E52U, 0xD076B8U, 0xD0803CU, 0xD098D6U, 0xD0A902U, 0xD0B1E8U, + 0xD0CAAAU, 0xD0D240U, 0xD0E394U, 0xD0FB7EU, 0xD10E9CU, 0xD11676U, 0xD127A2U, 0xD13F48U, 0xD1440AU, 0xD15CE0U, + 0xD16D34U, 0xD175DEU, 0xD1835AU, 0xD19BB0U, 0xD1AA64U, 0xD1B28EU, 0xD1C9CCU, 0xD1D126U, 0xD1E0F2U, 0xD1F818U, + 0xD20B36U, 0xD213DCU, 0xD22208U, 0xD23AE2U, 0xD241A0U, 0xD2594AU, 0xD2689EU, 0xD27074U, 0xD286F0U, 0xD29E1AU, + 0xD2AFCEU, 0xD2B724U, 0xD2CC66U, 0xD2D48CU, 0xD2E558U, 0xD2FDB2U, 0xD30850U, 0xD310BAU, 0xD3216EU, 0xD33984U, + 0xD342C6U, 0xD35A2CU, 0xD36BF8U, 0xD37312U, 0xD38596U, 0xD39D7CU, 0xD3ACA8U, 0xD3B442U, 0xD3CF00U, 0xD3D7EAU, + 0xD3E63EU, 0xD3FED4U, 0xD40062U, 0xD41888U, 0xD4295CU, 0xD431B6U, 0xD44AF4U, 0xD4521EU, 0xD463CAU, 0xD47B20U, + 0xD48DA4U, 0xD4954EU, 0xD4A49AU, 0xD4BC70U, 0xD4C732U, 0xD4DFD8U, 0xD4EE0CU, 0xD4F6E6U, 0xD50304U, 0xD51BEEU, + 0xD52A3AU, 0xD532D0U, 0xD54992U, 0xD55178U, 0xD560ACU, 0xD57846U, 0xD58EC2U, 0xD59628U, 0xD5A7FCU, 0xD5BF16U, + 0xD5C454U, 0xD5DCBEU, 0xD5ED6AU, 0xD5F580U, 0xD606AEU, 0xD61E44U, 0xD62F90U, 0xD6377AU, 0xD64C38U, 0xD654D2U, + 0xD66506U, 0xD67DECU, 0xD68B68U, 0xD69382U, 0xD6A256U, 0xD6BABCU, 0xD6C1FEU, 0xD6D914U, 0xD6E8C0U, 0xD6F02AU, + 0xD705C8U, 0xD71D22U, 0xD72CF6U, 0xD7341CU, 0xD74F5EU, 0xD757B4U, 0xD76660U, 0xD77E8AU, 0xD7880EU, 0xD790E4U, + 0xD7A130U, 0xD7B9DAU, 0xD7C298U, 0xD7DA72U, 0xD7EBA6U, 0xD7F34CU, 0xD80E20U, 0xD816CAU, 0xD8271EU, 0xD83FF4U, + 0xD844B6U, 0xD85C5CU, 0xD86D88U, 0xD87562U, 0xD883E6U, 0xD89B0CU, 0xD8AAD8U, 0xD8B232U, 0xD8C970U, 0xD8D19AU, + 0xD8E04EU, 0xD8F8A4U, 0xD90D46U, 0xD915ACU, 0xD92478U, 0xD93C92U, 0xD947D0U, 0xD95F3AU, 0xD96EEEU, 0xD97604U, + 0xD98080U, 0xD9986AU, 0xD9A9BEU, 0xD9B154U, 0xD9CA16U, 0xD9D2FCU, 0xD9E328U, 0xD9FBC2U, 0xDA08ECU, 0xDA1006U, + 0xDA21D2U, 0xDA3938U, 0xDA427AU, 0xDA5A90U, 0xDA6B44U, 0xDA73AEU, 0xDA852AU, 0xDA9DC0U, 0xDAAC14U, 0xDAB4FEU, + 0xDACFBCU, 0xDAD756U, 0xDAE682U, 0xDAFE68U, 0xDB0B8AU, 0xDB1360U, 0xDB22B4U, 0xDB3A5EU, 0xDB411CU, 0xDB59F6U, + 0xDB6822U, 0xDB70C8U, 0xDB864CU, 0xDB9EA6U, 0xDBAF72U, 0xDBB798U, 0xDBCCDAU, 0xDBD430U, 0xDBE5E4U, 0xDBFD0EU, + 0xDC03B8U, 0xDC1B52U, 0xDC2A86U, 0xDC326CU, 0xDC492EU, 0xDC51C4U, 0xDC6010U, 0xDC78FAU, 0xDC8E7EU, 0xDC9694U, + 0xDCA740U, 0xDCBFAAU, 0xDCC4E8U, 0xDCDC02U, 0xDCEDD6U, 0xDCF53CU, 0xDD00DEU, 0xDD1834U, 0xDD29E0U, 0xDD310AU, + 0xDD4A48U, 0xDD52A2U, 0xDD6376U, 0xDD7B9CU, 0xDD8D18U, 0xDD95F2U, 0xDDA426U, 0xDDBCCCU, 0xDDC78EU, 0xDDDF64U, + 0xDDEEB0U, 0xDDF65AU, 0xDE0574U, 0xDE1D9EU, 0xDE2C4AU, 0xDE34A0U, 0xDE4FE2U, 0xDE5708U, 0xDE66DCU, 0xDE7E36U, + 0xDE88B2U, 0xDE9058U, 0xDEA18CU, 0xDEB966U, 0xDEC224U, 0xDEDACEU, 0xDEEB1AU, 0xDEF3F0U, 0xDF0612U, 0xDF1EF8U, + 0xDF2F2CU, 0xDF37C6U, 0xDF4C84U, 0xDF546EU, 0xDF65BAU, 0xDF7D50U, 0xDF8BD4U, 0xDF933EU, 0xDFA2EAU, 0xDFBA00U, + 0xDFC142U, 0xDFD9A8U, 0xDFE87CU, 0xDFF096U, 0xE00526U, 0xE01DCCU, 0xE02C18U, 0xE034F2U, 0xE04FB0U, 0xE0575AU, + 0xE0668EU, 0xE07E64U, 0xE088E0U, 0xE0900AU, 0xE0A1DEU, 0xE0B934U, 0xE0C276U, 0xE0DA9CU, 0xE0EB48U, 0xE0F3A2U, + 0xE10640U, 0xE11EAAU, 0xE12F7EU, 0xE13794U, 0xE14CD6U, 0xE1543CU, 0xE165E8U, 0xE17D02U, 0xE18B86U, 0xE1936CU, + 0xE1A2B8U, 0xE1BA52U, 0xE1C110U, 0xE1D9FAU, 0xE1E82EU, 0xE1F0C4U, 0xE203EAU, 0xE21B00U, 0xE22AD4U, 0xE2323EU, + 0xE2497CU, 0xE25196U, 0xE26042U, 0xE278A8U, 0xE28E2CU, 0xE296C6U, 0xE2A712U, 0xE2BFF8U, 0xE2C4BAU, 0xE2DC50U, + 0xE2ED84U, 0xE2F56EU, 0xE3008CU, 0xE31866U, 0xE329B2U, 0xE33158U, 0xE34A1AU, 0xE352F0U, 0xE36324U, 0xE37BCEU, + 0xE38D4AU, 0xE395A0U, 0xE3A474U, 0xE3BC9EU, 0xE3C7DCU, 0xE3DF36U, 0xE3EEE2U, 0xE3F608U, 0xE408BEU, 0xE41054U, + 0xE42180U, 0xE4396AU, 0xE44228U, 0xE45AC2U, 0xE46B16U, 0xE473FCU, 0xE48578U, 0xE49D92U, 0xE4AC46U, 0xE4B4ACU, + 0xE4CFEEU, 0xE4D704U, 0xE4E6D0U, 0xE4FE3AU, 0xE50BD8U, 0xE51332U, 0xE522E6U, 0xE53A0CU, 0xE5414EU, 0xE559A4U, + 0xE56870U, 0xE5709AU, 0xE5861EU, 0xE59EF4U, 0xE5AF20U, 0xE5B7CAU, 0xE5CC88U, 0xE5D462U, 0xE5E5B6U, 0xE5FD5CU, + 0xE60E72U, 0xE61698U, 0xE6274CU, 0xE63FA6U, 0xE644E4U, 0xE65C0EU, 0xE66DDAU, 0xE67530U, 0xE683B4U, 0xE69B5EU, + 0xE6AA8AU, 0xE6B260U, 0xE6C922U, 0xE6D1C8U, 0xE6E01CU, 0xE6F8F6U, 0xE70D14U, 0xE715FEU, 0xE7242AU, 0xE73CC0U, + 0xE74782U, 0xE75F68U, 0xE76EBCU, 0xE77656U, 0xE780D2U, 0xE79838U, 0xE7A9ECU, 0xE7B106U, 0xE7CA44U, 0xE7D2AEU, + 0xE7E37AU, 0xE7FB90U, 0xE806FCU, 0xE81E16U, 0xE82FC2U, 0xE83728U, 0xE84C6AU, 0xE85480U, 0xE86554U, 0xE87DBEU, + 0xE88B3AU, 0xE893D0U, 0xE8A204U, 0xE8BAEEU, 0xE8C1ACU, 0xE8D946U, 0xE8E892U, 0xE8F078U, 0xE9059AU, 0xE91D70U, + 0xE92CA4U, 0xE9344EU, 0xE94F0CU, 0xE957E6U, 0xE96632U, 0xE97ED8U, 0xE9885CU, 0xE990B6U, 0xE9A162U, 0xE9B988U, + 0xE9C2CAU, 0xE9DA20U, 0xE9EBF4U, 0xE9F31EU, 0xEA0030U, 0xEA18DAU, 0xEA290EU, 0xEA31E4U, 0xEA4AA6U, 0xEA524CU, + 0xEA6398U, 0xEA7B72U, 0xEA8DF6U, 0xEA951CU, 0xEAA4C8U, 0xEABC22U, 0xEAC760U, 0xEADF8AU, 0xEAEE5EU, 0xEAF6B4U, + 0xEB0356U, 0xEB1BBCU, 0xEB2A68U, 0xEB3282U, 0xEB49C0U, 0xEB512AU, 0xEB60FEU, 0xEB7814U, 0xEB8E90U, 0xEB967AU, + 0xEBA7AEU, 0xEBBF44U, 0xEBC406U, 0xEBDCECU, 0xEBED38U, 0xEBF5D2U, 0xEC0B64U, 0xEC138EU, 0xEC225AU, 0xEC3AB0U, + 0xEC41F2U, 0xEC5918U, 0xEC68CCU, 0xEC7026U, 0xEC86A2U, 0xEC9E48U, 0xECAF9CU, 0xECB776U, 0xECCC34U, 0xECD4DEU, + 0xECE50AU, 0xECFDE0U, 0xED0802U, 0xED10E8U, 0xED213CU, 0xED39D6U, 0xED4294U, 0xED5A7EU, 0xED6BAAU, 0xED7340U, + 0xED85C4U, 0xED9D2EU, 0xEDACFAU, 0xEDB410U, 0xEDCF52U, 0xEDD7B8U, 0xEDE66CU, 0xEDFE86U, 0xEE0DA8U, 0xEE1542U, + 0xEE2496U, 0xEE3C7CU, 0xEE473EU, 0xEE5FD4U, 0xEE6E00U, 0xEE76EAU, 0xEE806EU, 0xEE9884U, 0xEEA950U, 0xEEB1BAU, + 0xEECAF8U, 0xEED212U, 0xEEE3C6U, 0xEEFB2CU, 0xEF0ECEU, 0xEF1624U, 0xEF27F0U, 0xEF3F1AU, 0xEF4458U, 0xEF5CB2U, + 0xEF6D66U, 0xEF758CU, 0xEF8308U, 0xEF9BE2U, 0xEFAA36U, 0xEFB2DCU, 0xEFC99EU, 0xEFD174U, 0xEFE0A0U, 0xEFF84AU, + 0xF00292U, 0xF01A78U, 0xF02BACU, 0xF03346U, 0xF04804U, 0xF050EEU, 0xF0613AU, 0xF079D0U, 0xF08F54U, 0xF097BEU, + 0xF0A66AU, 0xF0BE80U, 0xF0C5C2U, 0xF0DD28U, 0xF0ECFCU, 0xF0F416U, 0xF101F4U, 0xF1191EU, 0xF128CAU, 0xF13020U, + 0xF14B62U, 0xF15388U, 0xF1625CU, 0xF17AB6U, 0xF18C32U, 0xF194D8U, 0xF1A50CU, 0xF1BDE6U, 0xF1C6A4U, 0xF1DE4EU, + 0xF1EF9AU, 0xF1F770U, 0xF2045EU, 0xF21CB4U, 0xF22D60U, 0xF2358AU, 0xF24EC8U, 0xF25622U, 0xF267F6U, 0xF27F1CU, + 0xF28998U, 0xF29172U, 0xF2A0A6U, 0xF2B84CU, 0xF2C30EU, 0xF2DBE4U, 0xF2EA30U, 0xF2F2DAU, 0xF30738U, 0xF31FD2U, + 0xF32E06U, 0xF336ECU, 0xF34DAEU, 0xF35544U, 0xF36490U, 0xF37C7AU, 0xF38AFEU, 0xF39214U, 0xF3A3C0U, 0xF3BB2AU, + 0xF3C068U, 0xF3D882U, 0xF3E956U, 0xF3F1BCU, 0xF40F0AU, 0xF417E0U, 0xF42634U, 0xF43EDEU, 0xF4459CU, 0xF45D76U, + 0xF46CA2U, 0xF47448U, 0xF482CCU, 0xF49A26U, 0xF4ABF2U, 0xF4B318U, 0xF4C85AU, 0xF4D0B0U, 0xF4E164U, 0xF4F98EU, + 0xF50C6CU, 0xF51486U, 0xF52552U, 0xF53DB8U, 0xF546FAU, 0xF55E10U, 0xF56FC4U, 0xF5772EU, 0xF581AAU, 0xF59940U, + 0xF5A894U, 0xF5B07EU, 0xF5CB3CU, 0xF5D3D6U, 0xF5E202U, 0xF5FAE8U, 0xF609C6U, 0xF6112CU, 0xF620F8U, 0xF63812U, + 0xF64350U, 0xF65BBAU, 0xF66A6EU, 0xF67284U, 0xF68400U, 0xF69CEAU, 0xF6AD3EU, 0xF6B5D4U, 0xF6CE96U, 0xF6D67CU, + 0xF6E7A8U, 0xF6FF42U, 0xF70AA0U, 0xF7124AU, 0xF7239EU, 0xF73B74U, 0xF74036U, 0xF758DCU, 0xF76908U, 0xF771E2U, + 0xF78766U, 0xF79F8CU, 0xF7AE58U, 0xF7B6B2U, 0xF7CDF0U, 0xF7D51AU, 0xF7E4CEU, 0xF7FC24U, 0xF80148U, 0xF819A2U, + 0xF82876U, 0xF8309CU, 0xF84BDEU, 0xF85334U, 0xF862E0U, 0xF87A0AU, 0xF88C8EU, 0xF89464U, 0xF8A5B0U, 0xF8BD5AU, + 0xF8C618U, 0xF8DEF2U, 0xF8EF26U, 0xF8F7CCU, 0xF9022EU, 0xF91AC4U, 0xF92B10U, 0xF933FAU, 0xF948B8U, 0xF95052U, + 0xF96186U, 0xF9796CU, 0xF98FE8U, 0xF99702U, 0xF9A6D6U, 0xF9BE3CU, 0xF9C57EU, 0xF9DD94U, 0xF9EC40U, 0xF9F4AAU, + 0xFA0784U, 0xFA1F6EU, 0xFA2EBAU, 0xFA3650U, 0xFA4D12U, 0xFA55F8U, 0xFA642CU, 0xFA7CC6U, 0xFA8A42U, 0xFA92A8U, + 0xFAA37CU, 0xFABB96U, 0xFAC0D4U, 0xFAD83EU, 0xFAE9EAU, 0xFAF100U, 0xFB04E2U, 0xFB1C08U, 0xFB2DDCU, 0xFB3536U, + 0xFB4E74U, 0xFB569EU, 0xFB674AU, 0xFB7FA0U, 0xFB8924U, 0xFB91CEU, 0xFBA01AU, 0xFBB8F0U, 0xFBC3B2U, 0xFBDB58U, + 0xFBEA8CU, 0xFBF266U, 0xFC0CD0U, 0xFC143AU, 0xFC25EEU, 0xFC3D04U, 0xFC4646U, 0xFC5EACU, 0xFC6F78U, 0xFC7792U, + 0xFC8116U, 0xFC99FCU, 0xFCA828U, 0xFCB0C2U, 0xFCCB80U, 0xFCD36AU, 0xFCE2BEU, 0xFCFA54U, 0xFD0FB6U, 0xFD175CU, + 0xFD2688U, 0xFD3E62U, 0xFD4520U, 0xFD5DCAU, 0xFD6C1EU, 0xFD74F4U, 0xFD8270U, 0xFD9A9AU, 0xFDAB4EU, 0xFDB3A4U, + 0xFDC8E6U, 0xFDD00CU, 0xFDE1D8U, 0xFDF932U, 0xFE0A1CU, 0xFE12F6U, 0xFE2322U, 0xFE3BC8U, 0xFE408AU, 0xFE5860U, + 0xFE69B4U, 0xFE715EU, 0xFE87DAU, 0xFE9F30U, 0xFEAEE4U, 0xFEB60EU, 0xFECD4CU, 0xFED5A6U, 0xFEE472U, 0xFEFC98U, + 0xFF097AU, 0xFF1190U, 0xFF2044U, 0xFF38AEU, 0xFF43ECU, 0xFF5B06U, 0xFF6AD2U, 0xFF7238U, 0xFF84BCU, 0xFF9C56U, + 0xFFAD82U, 0xFFB568U, 0xFFCE2AU, 0xFFD6C0U, 0xFFE714U, 0xFFFFFEU}; + +static const unsigned int ENCODING_TABLE_24128[] = { + 0x000000U, 0x0018EBU, 0x00293EU, 0x0031D5U, 0x004A97U, 0x00527CU, 0x0063A9U, 0x007B42U, 0x008DC6U, 0x00952DU, + 0x00A4F8U, 0x00BC13U, 0x00C751U, 0x00DFBAU, 0x00EE6FU, 0x00F684U, 0x010367U, 0x011B8CU, 0x012A59U, 0x0132B2U, + 0x0149F0U, 0x01511BU, 0x0160CEU, 0x017825U, 0x018EA1U, 0x01964AU, 0x01A79FU, 0x01BF74U, 0x01C436U, 0x01DCDDU, + 0x01ED08U, 0x01F5E3U, 0x0206CDU, 0x021E26U, 0x022FF3U, 0x023718U, 0x024C5AU, 0x0254B1U, 0x026564U, 0x027D8FU, + 0x028B0BU, 0x0293E0U, 0x02A235U, 0x02BADEU, 0x02C19CU, 0x02D977U, 0x02E8A2U, 0x02F049U, 0x0305AAU, 0x031D41U, + 0x032C94U, 0x03347FU, 0x034F3DU, 0x0357D6U, 0x036603U, 0x037EE8U, 0x03886CU, 0x039087U, 0x03A152U, 0x03B9B9U, + 0x03C2FBU, 0x03DA10U, 0x03EBC5U, 0x03F32EU, 0x040D99U, 0x041572U, 0x0424A7U, 0x043C4CU, 0x04470EU, 0x045FE5U, + 0x046E30U, 0x0476DBU, 0x04805FU, 0x0498B4U, 0x04A961U, 0x04B18AU, 0x04CAC8U, 0x04D223U, 0x04E3F6U, 0x04FB1DU, + 0x050EFEU, 0x051615U, 0x0527C0U, 0x053F2BU, 0x054469U, 0x055C82U, 0x056D57U, 0x0575BCU, 0x058338U, 0x059BD3U, + 0x05AA06U, 0x05B2EDU, 0x05C9AFU, 0x05D144U, 0x05E091U, 0x05F87AU, 0x060B54U, 0x0613BFU, 0x06226AU, 0x063A81U, + 0x0641C3U, 0x065928U, 0x0668FDU, 0x067016U, 0x068692U, 0x069E79U, 0x06AFACU, 0x06B747U, 0x06CC05U, 0x06D4EEU, + 0x06E53BU, 0x06FDD0U, 0x070833U, 0x0710D8U, 0x07210DU, 0x0739E6U, 0x0742A4U, 0x075A4FU, 0x076B9AU, 0x077371U, + 0x0785F5U, 0x079D1EU, 0x07ACCBU, 0x07B420U, 0x07CF62U, 0x07D789U, 0x07E65CU, 0x07FEB7U, 0x0803DAU, 0x081B31U, + 0x082AE4U, 0x08320FU, 0x08494DU, 0x0851A6U, 0x086073U, 0x087898U, 0x088E1CU, 0x0896F7U, 0x08A722U, 0x08BFC9U, + 0x08C48BU, 0x08DC60U, 0x08EDB5U, 0x08F55EU, 0x0900BDU, 0x091856U, 0x092983U, 0x093168U, 0x094A2AU, 0x0952C1U, + 0x096314U, 0x097BFFU, 0x098D7BU, 0x099590U, 0x09A445U, 0x09BCAEU, 0x09C7ECU, 0x09DF07U, 0x09EED2U, 0x09F639U, + 0x0A0517U, 0x0A1DFCU, 0x0A2C29U, 0x0A34C2U, 0x0A4F80U, 0x0A576BU, 0x0A66BEU, 0x0A7E55U, 0x0A88D1U, 0x0A903AU, + 0x0AA1EFU, 0x0AB904U, 0x0AC246U, 0x0ADAADU, 0x0AEB78U, 0x0AF393U, 0x0B0670U, 0x0B1E9BU, 0x0B2F4EU, 0x0B37A5U, + 0x0B4CE7U, 0x0B540CU, 0x0B65D9U, 0x0B7D32U, 0x0B8BB6U, 0x0B935DU, 0x0BA288U, 0x0BBA63U, 0x0BC121U, 0x0BD9CAU, + 0x0BE81FU, 0x0BF0F4U, 0x0C0E43U, 0x0C16A8U, 0x0C277DU, 0x0C3F96U, 0x0C44D4U, 0x0C5C3FU, 0x0C6DEAU, 0x0C7501U, + 0x0C8385U, 0x0C9B6EU, 0x0CAABBU, 0x0CB250U, 0x0CC912U, 0x0CD1F9U, 0x0CE02CU, 0x0CF8C7U, 0x0D0D24U, 0x0D15CFU, + 0x0D241AU, 0x0D3CF1U, 0x0D47B3U, 0x0D5F58U, 0x0D6E8DU, 0x0D7666U, 0x0D80E2U, 0x0D9809U, 0x0DA9DCU, 0x0DB137U, + 0x0DCA75U, 0x0DD29EU, 0x0DE34BU, 0x0DFBA0U, 0x0E088EU, 0x0E1065U, 0x0E21B0U, 0x0E395BU, 0x0E4219U, 0x0E5AF2U, + 0x0E6B27U, 0x0E73CCU, 0x0E8548U, 0x0E9DA3U, 0x0EAC76U, 0x0EB49DU, 0x0ECFDFU, 0x0ED734U, 0x0EE6E1U, 0x0EFE0AU, + 0x0F0BE9U, 0x0F1302U, 0x0F22D7U, 0x0F3A3CU, 0x0F417EU, 0x0F5995U, 0x0F6840U, 0x0F70ABU, 0x0F862FU, 0x0F9EC4U, + 0x0FAF11U, 0x0FB7FAU, 0x0FCCB8U, 0x0FD453U, 0x0FE586U, 0x0FFD6DU, 0x1007B4U, 0x101F5FU, 0x102E8AU, 0x103661U, + 0x104D23U, 0x1055C8U, 0x10641DU, 0x107CF6U, 0x108A72U, 0x109299U, 0x10A34CU, 0x10BBA7U, 0x10C0E5U, 0x10D80EU, + 0x10E9DBU, 0x10F130U, 0x1104D3U, 0x111C38U, 0x112DEDU, 0x113506U, 0x114E44U, 0x1156AFU, 0x11677AU, 0x117F91U, + 0x118915U, 0x1191FEU, 0x11A02BU, 0x11B8C0U, 0x11C382U, 0x11DB69U, 0x11EABCU, 0x11F257U, 0x120179U, 0x121992U, + 0x122847U, 0x1230ACU, 0x124BEEU, 0x125305U, 0x1262D0U, 0x127A3BU, 0x128CBFU, 0x129454U, 0x12A581U, 0x12BD6AU, + 0x12C628U, 0x12DEC3U, 0x12EF16U, 0x12F7FDU, 0x13021EU, 0x131AF5U, 0x132B20U, 0x1333CBU, 0x134889U, 0x135062U, + 0x1361B7U, 0x13795CU, 0x138FD8U, 0x139733U, 0x13A6E6U, 0x13BE0DU, 0x13C54FU, 0x13DDA4U, 0x13EC71U, 0x13F49AU, + 0x140A2DU, 0x1412C6U, 0x142313U, 0x143BF8U, 0x1440BAU, 0x145851U, 0x146984U, 0x14716FU, 0x1487EBU, 0x149F00U, + 0x14AED5U, 0x14B63EU, 0x14CD7CU, 0x14D597U, 0x14E442U, 0x14FCA9U, 0x15094AU, 0x1511A1U, 0x152074U, 0x15389FU, + 0x1543DDU, 0x155B36U, 0x156AE3U, 0x157208U, 0x15848CU, 0x159C67U, 0x15ADB2U, 0x15B559U, 0x15CE1BU, 0x15D6F0U, + 0x15E725U, 0x15FFCEU, 0x160CE0U, 0x16140BU, 0x1625DEU, 0x163D35U, 0x164677U, 0x165E9CU, 0x166F49U, 0x1677A2U, + 0x168126U, 0x1699CDU, 0x16A818U, 0x16B0F3U, 0x16CBB1U, 0x16D35AU, 0x16E28FU, 0x16FA64U, 0x170F87U, 0x17176CU, + 0x1726B9U, 0x173E52U, 0x174510U, 0x175DFBU, 0x176C2EU, 0x1774C5U, 0x178241U, 0x179AAAU, 0x17AB7FU, 0x17B394U, + 0x17C8D6U, 0x17D03DU, 0x17E1E8U, 0x17F903U, 0x18046EU, 0x181C85U, 0x182D50U, 0x1835BBU, 0x184EF9U, 0x185612U, + 0x1867C7U, 0x187F2CU, 0x1889A8U, 0x189143U, 0x18A096U, 0x18B87DU, 0x18C33FU, 0x18DBD4U, 0x18EA01U, 0x18F2EAU, + 0x190709U, 0x191FE2U, 0x192E37U, 0x1936DCU, 0x194D9EU, 0x195575U, 0x1964A0U, 0x197C4BU, 0x198ACFU, 0x199224U, + 0x19A3F1U, 0x19BB1AU, 0x19C058U, 0x19D8B3U, 0x19E966U, 0x19F18DU, 0x1A02A3U, 0x1A1A48U, 0x1A2B9DU, 0x1A3376U, + 0x1A4834U, 0x1A50DFU, 0x1A610AU, 0x1A79E1U, 0x1A8F65U, 0x1A978EU, 0x1AA65BU, 0x1ABEB0U, 0x1AC5F2U, 0x1ADD19U, + 0x1AECCCU, 0x1AF427U, 0x1B01C4U, 0x1B192FU, 0x1B28FAU, 0x1B3011U, 0x1B4B53U, 0x1B53B8U, 0x1B626DU, 0x1B7A86U, + 0x1B8C02U, 0x1B94E9U, 0x1BA53CU, 0x1BBDD7U, 0x1BC695U, 0x1BDE7EU, 0x1BEFABU, 0x1BF740U, 0x1C09F7U, 0x1C111CU, + 0x1C20C9U, 0x1C3822U, 0x1C4360U, 0x1C5B8BU, 0x1C6A5EU, 0x1C72B5U, 0x1C8431U, 0x1C9CDAU, 0x1CAD0FU, 0x1CB5E4U, + 0x1CCEA6U, 0x1CD64DU, 0x1CE798U, 0x1CFF73U, 0x1D0A90U, 0x1D127BU, 0x1D23AEU, 0x1D3B45U, 0x1D4007U, 0x1D58ECU, + 0x1D6939U, 0x1D71D2U, 0x1D8756U, 0x1D9FBDU, 0x1DAE68U, 0x1DB683U, 0x1DCDC1U, 0x1DD52AU, 0x1DE4FFU, 0x1DFC14U, + 0x1E0F3AU, 0x1E17D1U, 0x1E2604U, 0x1E3EEFU, 0x1E45ADU, 0x1E5D46U, 0x1E6C93U, 0x1E7478U, 0x1E82FCU, 0x1E9A17U, + 0x1EABC2U, 0x1EB329U, 0x1EC86BU, 0x1ED080U, 0x1EE155U, 0x1EF9BEU, 0x1F0C5DU, 0x1F14B6U, 0x1F2563U, 0x1F3D88U, + 0x1F46CAU, 0x1F5E21U, 0x1F6FF4U, 0x1F771FU, 0x1F819BU, 0x1F9970U, 0x1FA8A5U, 0x1FB04EU, 0x1FCB0CU, 0x1FD3E7U, + 0x1FE232U, 0x1FFAD9U, 0x200F68U, 0x201783U, 0x202656U, 0x203EBDU, 0x2045FFU, 0x205D14U, 0x206CC1U, 0x20742AU, + 0x2082AEU, 0x209A45U, 0x20AB90U, 0x20B37BU, 0x20C839U, 0x20D0D2U, 0x20E107U, 0x20F9ECU, 0x210C0FU, 0x2114E4U, + 0x212531U, 0x213DDAU, 0x214698U, 0x215E73U, 0x216FA6U, 0x21774DU, 0x2181C9U, 0x219922U, 0x21A8F7U, 0x21B01CU, + 0x21CB5EU, 0x21D3B5U, 0x21E260U, 0x21FA8BU, 0x2209A5U, 0x22114EU, 0x22209BU, 0x223870U, 0x224332U, 0x225BD9U, + 0x226A0CU, 0x2272E7U, 0x228463U, 0x229C88U, 0x22AD5DU, 0x22B5B6U, 0x22CEF4U, 0x22D61FU, 0x22E7CAU, 0x22FF21U, + 0x230AC2U, 0x231229U, 0x2323FCU, 0x233B17U, 0x234055U, 0x2358BEU, 0x23696BU, 0x237180U, 0x238704U, 0x239FEFU, + 0x23AE3AU, 0x23B6D1U, 0x23CD93U, 0x23D578U, 0x23E4ADU, 0x23FC46U, 0x2402F1U, 0x241A1AU, 0x242BCFU, 0x243324U, + 0x244866U, 0x24508DU, 0x246158U, 0x2479B3U, 0x248F37U, 0x2497DCU, 0x24A609U, 0x24BEE2U, 0x24C5A0U, 0x24DD4BU, + 0x24EC9EU, 0x24F475U, 0x250196U, 0x25197DU, 0x2528A8U, 0x253043U, 0x254B01U, 0x2553EAU, 0x25623FU, 0x257AD4U, + 0x258C50U, 0x2594BBU, 0x25A56EU, 0x25BD85U, 0x25C6C7U, 0x25DE2CU, 0x25EFF9U, 0x25F712U, 0x26043CU, 0x261CD7U, + 0x262D02U, 0x2635E9U, 0x264EABU, 0x265640U, 0x266795U, 0x267F7EU, 0x2689FAU, 0x269111U, 0x26A0C4U, 0x26B82FU, + 0x26C36DU, 0x26DB86U, 0x26EA53U, 0x26F2B8U, 0x27075BU, 0x271FB0U, 0x272E65U, 0x27368EU, 0x274DCCU, 0x275527U, + 0x2764F2U, 0x277C19U, 0x278A9DU, 0x279276U, 0x27A3A3U, 0x27BB48U, 0x27C00AU, 0x27D8E1U, 0x27E934U, 0x27F1DFU, + 0x280CB2U, 0x281459U, 0x28258CU, 0x283D67U, 0x284625U, 0x285ECEU, 0x286F1BU, 0x2877F0U, 0x288174U, 0x28999FU, + 0x28A84AU, 0x28B0A1U, 0x28CBE3U, 0x28D308U, 0x28E2DDU, 0x28FA36U, 0x290FD5U, 0x29173EU, 0x2926EBU, 0x293E00U, + 0x294542U, 0x295DA9U, 0x296C7CU, 0x297497U, 0x298213U, 0x299AF8U, 0x29AB2DU, 0x29B3C6U, 0x29C884U, 0x29D06FU, + 0x29E1BAU, 0x29F951U, 0x2A0A7FU, 0x2A1294U, 0x2A2341U, 0x2A3BAAU, 0x2A40E8U, 0x2A5803U, 0x2A69D6U, 0x2A713DU, + 0x2A87B9U, 0x2A9F52U, 0x2AAE87U, 0x2AB66CU, 0x2ACD2EU, 0x2AD5C5U, 0x2AE410U, 0x2AFCFBU, 0x2B0918U, 0x2B11F3U, + 0x2B2026U, 0x2B38CDU, 0x2B438FU, 0x2B5B64U, 0x2B6AB1U, 0x2B725AU, 0x2B84DEU, 0x2B9C35U, 0x2BADE0U, 0x2BB50BU, + 0x2BCE49U, 0x2BD6A2U, 0x2BE777U, 0x2BFF9CU, 0x2C012BU, 0x2C19C0U, 0x2C2815U, 0x2C30FEU, 0x2C4BBCU, 0x2C5357U, + 0x2C6282U, 0x2C7A69U, 0x2C8CEDU, 0x2C9406U, 0x2CA5D3U, 0x2CBD38U, 0x2CC67AU, 0x2CDE91U, 0x2CEF44U, 0x2CF7AFU, + 0x2D024CU, 0x2D1AA7U, 0x2D2B72U, 0x2D3399U, 0x2D48DBU, 0x2D5030U, 0x2D61E5U, 0x2D790EU, 0x2D8F8AU, 0x2D9761U, + 0x2DA6B4U, 0x2DBE5FU, 0x2DC51DU, 0x2DDDF6U, 0x2DEC23U, 0x2DF4C8U, 0x2E07E6U, 0x2E1F0DU, 0x2E2ED8U, 0x2E3633U, + 0x2E4D71U, 0x2E559AU, 0x2E644FU, 0x2E7CA4U, 0x2E8A20U, 0x2E92CBU, 0x2EA31EU, 0x2EBBF5U, 0x2EC0B7U, 0x2ED85CU, + 0x2EE989U, 0x2EF162U, 0x2F0481U, 0x2F1C6AU, 0x2F2DBFU, 0x2F3554U, 0x2F4E16U, 0x2F56FDU, 0x2F6728U, 0x2F7FC3U, + 0x2F8947U, 0x2F91ACU, 0x2FA079U, 0x2FB892U, 0x2FC3D0U, 0x2FDB3BU, 0x2FEAEEU, 0x2FF205U, 0x3008DCU, 0x301037U, + 0x3021E2U, 0x303909U, 0x30424BU, 0x305AA0U, 0x306B75U, 0x30739EU, 0x30851AU, 0x309DF1U, 0x30AC24U, 0x30B4CFU, + 0x30CF8DU, 0x30D766U, 0x30E6B3U, 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0xD7DA73U, 0xD7EBA6U, 0xD7F34DU, 0xD80E20U, 0xD816CBU, 0xD8271EU, 0xD83FF5U, + 0xD844B7U, 0xD85C5CU, 0xD86D89U, 0xD87562U, 0xD883E6U, 0xD89B0DU, 0xD8AAD8U, 0xD8B233U, 0xD8C971U, 0xD8D19AU, + 0xD8E04FU, 0xD8F8A4U, 0xD90D47U, 0xD915ACU, 0xD92479U, 0xD93C92U, 0xD947D0U, 0xD95F3BU, 0xD96EEEU, 0xD97605U, + 0xD98081U, 0xD9986AU, 0xD9A9BFU, 0xD9B154U, 0xD9CA16U, 0xD9D2FDU, 0xD9E328U, 0xD9FBC3U, 0xDA08EDU, 0xDA1006U, + 0xDA21D3U, 0xDA3938U, 0xDA427AU, 0xDA5A91U, 0xDA6B44U, 0xDA73AFU, 0xDA852BU, 0xDA9DC0U, 0xDAAC15U, 0xDAB4FEU, + 0xDACFBCU, 0xDAD757U, 0xDAE682U, 0xDAFE69U, 0xDB0B8AU, 0xDB1361U, 0xDB22B4U, 0xDB3A5FU, 0xDB411DU, 0xDB59F6U, + 0xDB6823U, 0xDB70C8U, 0xDB864CU, 0xDB9EA7U, 0xDBAF72U, 0xDBB799U, 0xDBCCDBU, 0xDBD430U, 0xDBE5E5U, 0xDBFD0EU, + 0xDC03B9U, 0xDC1B52U, 0xDC2A87U, 0xDC326CU, 0xDC492EU, 0xDC51C5U, 0xDC6010U, 0xDC78FBU, 0xDC8E7FU, 0xDC9694U, + 0xDCA741U, 0xDCBFAAU, 0xDCC4E8U, 0xDCDC03U, 0xDCEDD6U, 0xDCF53DU, 0xDD00DEU, 0xDD1835U, 0xDD29E0U, 0xDD310BU, + 0xDD4A49U, 0xDD52A2U, 0xDD6377U, 0xDD7B9CU, 0xDD8D18U, 0xDD95F3U, 0xDDA426U, 0xDDBCCDU, 0xDDC78FU, 0xDDDF64U, + 0xDDEEB1U, 0xDDF65AU, 0xDE0574U, 0xDE1D9FU, 0xDE2C4AU, 0xDE34A1U, 0xDE4FE3U, 0xDE5708U, 0xDE66DDU, 0xDE7E36U, + 0xDE88B2U, 0xDE9059U, 0xDEA18CU, 0xDEB967U, 0xDEC225U, 0xDEDACEU, 0xDEEB1BU, 0xDEF3F0U, 0xDF0613U, 0xDF1EF8U, + 0xDF2F2DU, 0xDF37C6U, 0xDF4C84U, 0xDF546FU, 0xDF65BAU, 0xDF7D51U, 0xDF8BD5U, 0xDF933EU, 0xDFA2EBU, 0xDFBA00U, + 0xDFC142U, 0xDFD9A9U, 0xDFE87CU, 0xDFF097U, 0xE00526U, 0xE01DCDU, 0xE02C18U, 0xE034F3U, 0xE04FB1U, 0xE0575AU, + 0xE0668FU, 0xE07E64U, 0xE088E0U, 0xE0900BU, 0xE0A1DEU, 0xE0B935U, 0xE0C277U, 0xE0DA9CU, 0xE0EB49U, 0xE0F3A2U, + 0xE10641U, 0xE11EAAU, 0xE12F7FU, 0xE13794U, 0xE14CD6U, 0xE1543DU, 0xE165E8U, 0xE17D03U, 0xE18B87U, 0xE1936CU, + 0xE1A2B9U, 0xE1BA52U, 0xE1C110U, 0xE1D9FBU, 0xE1E82EU, 0xE1F0C5U, 0xE203EBU, 0xE21B00U, 0xE22AD5U, 0xE2323EU, + 0xE2497CU, 0xE25197U, 0xE26042U, 0xE278A9U, 0xE28E2DU, 0xE296C6U, 0xE2A713U, 0xE2BFF8U, 0xE2C4BAU, 0xE2DC51U, + 0xE2ED84U, 0xE2F56FU, 0xE3008CU, 0xE31867U, 0xE329B2U, 0xE33159U, 0xE34A1BU, 0xE352F0U, 0xE36325U, 0xE37BCEU, + 0xE38D4AU, 0xE395A1U, 0xE3A474U, 0xE3BC9FU, 0xE3C7DDU, 0xE3DF36U, 0xE3EEE3U, 0xE3F608U, 0xE408BFU, 0xE41054U, + 0xE42181U, 0xE4396AU, 0xE44228U, 0xE45AC3U, 0xE46B16U, 0xE473FDU, 0xE48579U, 0xE49D92U, 0xE4AC47U, 0xE4B4ACU, + 0xE4CFEEU, 0xE4D705U, 0xE4E6D0U, 0xE4FE3BU, 0xE50BD8U, 0xE51333U, 0xE522E6U, 0xE53A0DU, 0xE5414FU, 0xE559A4U, + 0xE56871U, 0xE5709AU, 0xE5861EU, 0xE59EF5U, 0xE5AF20U, 0xE5B7CBU, 0xE5CC89U, 0xE5D462U, 0xE5E5B7U, 0xE5FD5CU, + 0xE60E72U, 0xE61699U, 0xE6274CU, 0xE63FA7U, 0xE644E5U, 0xE65C0EU, 0xE66DDBU, 0xE67530U, 0xE683B4U, 0xE69B5FU, + 0xE6AA8AU, 0xE6B261U, 0xE6C923U, 0xE6D1C8U, 0xE6E01DU, 0xE6F8F6U, 0xE70D15U, 0xE715FEU, 0xE7242BU, 0xE73CC0U, + 0xE74782U, 0xE75F69U, 0xE76EBCU, 0xE77657U, 0xE780D3U, 0xE79838U, 0xE7A9EDU, 0xE7B106U, 0xE7CA44U, 0xE7D2AFU, + 0xE7E37AU, 0xE7FB91U, 0xE806FCU, 0xE81E17U, 0xE82FC2U, 0xE83729U, 0xE84C6BU, 0xE85480U, 0xE86555U, 0xE87DBEU, + 0xE88B3AU, 0xE893D1U, 0xE8A204U, 0xE8BAEFU, 0xE8C1ADU, 0xE8D946U, 0xE8E893U, 0xE8F078U, 0xE9059BU, 0xE91D70U, + 0xE92CA5U, 0xE9344EU, 0xE94F0CU, 0xE957E7U, 0xE96632U, 0xE97ED9U, 0xE9885DU, 0xE990B6U, 0xE9A163U, 0xE9B988U, + 0xE9C2CAU, 0xE9DA21U, 0xE9EBF4U, 0xE9F31FU, 0xEA0031U, 0xEA18DAU, 0xEA290FU, 0xEA31E4U, 0xEA4AA6U, 0xEA524DU, + 0xEA6398U, 0xEA7B73U, 0xEA8DF7U, 0xEA951CU, 0xEAA4C9U, 0xEABC22U, 0xEAC760U, 0xEADF8BU, 0xEAEE5EU, 0xEAF6B5U, + 0xEB0356U, 0xEB1BBDU, 0xEB2A68U, 0xEB3283U, 0xEB49C1U, 0xEB512AU, 0xEB60FFU, 0xEB7814U, 0xEB8E90U, 0xEB967BU, + 0xEBA7AEU, 0xEBBF45U, 0xEBC407U, 0xEBDCECU, 0xEBED39U, 0xEBF5D2U, 0xEC0B65U, 0xEC138EU, 0xEC225BU, 0xEC3AB0U, + 0xEC41F2U, 0xEC5919U, 0xEC68CCU, 0xEC7027U, 0xEC86A3U, 0xEC9E48U, 0xECAF9DU, 0xECB776U, 0xECCC34U, 0xECD4DFU, + 0xECE50AU, 0xECFDE1U, 0xED0802U, 0xED10E9U, 0xED213CU, 0xED39D7U, 0xED4295U, 0xED5A7EU, 0xED6BABU, 0xED7340U, + 0xED85C4U, 0xED9D2FU, 0xEDACFAU, 0xEDB411U, 0xEDCF53U, 0xEDD7B8U, 0xEDE66DU, 0xEDFE86U, 0xEE0DA8U, 0xEE1543U, + 0xEE2496U, 0xEE3C7DU, 0xEE473FU, 0xEE5FD4U, 0xEE6E01U, 0xEE76EAU, 0xEE806EU, 0xEE9885U, 0xEEA950U, 0xEEB1BBU, + 0xEECAF9U, 0xEED212U, 0xEEE3C7U, 0xEEFB2CU, 0xEF0ECFU, 0xEF1624U, 0xEF27F1U, 0xEF3F1AU, 0xEF4458U, 0xEF5CB3U, + 0xEF6D66U, 0xEF758DU, 0xEF8309U, 0xEF9BE2U, 0xEFAA37U, 0xEFB2DCU, 0xEFC99EU, 0xEFD175U, 0xEFE0A0U, 0xEFF84BU, + 0xF00292U, 0xF01A79U, 0xF02BACU, 0xF03347U, 0xF04805U, 0xF050EEU, 0xF0613BU, 0xF079D0U, 0xF08F54U, 0xF097BFU, + 0xF0A66AU, 0xF0BE81U, 0xF0C5C3U, 0xF0DD28U, 0xF0ECFDU, 0xF0F416U, 0xF101F5U, 0xF1191EU, 0xF128CBU, 0xF13020U, + 0xF14B62U, 0xF15389U, 0xF1625CU, 0xF17AB7U, 0xF18C33U, 0xF194D8U, 0xF1A50DU, 0xF1BDE6U, 0xF1C6A4U, 0xF1DE4FU, + 0xF1EF9AU, 0xF1F771U, 0xF2045FU, 0xF21CB4U, 0xF22D61U, 0xF2358AU, 0xF24EC8U, 0xF25623U, 0xF267F6U, 0xF27F1DU, + 0xF28999U, 0xF29172U, 0xF2A0A7U, 0xF2B84CU, 0xF2C30EU, 0xF2DBE5U, 0xF2EA30U, 0xF2F2DBU, 0xF30738U, 0xF31FD3U, + 0xF32E06U, 0xF336EDU, 0xF34DAFU, 0xF35544U, 0xF36491U, 0xF37C7AU, 0xF38AFEU, 0xF39215U, 0xF3A3C0U, 0xF3BB2BU, + 0xF3C069U, 0xF3D882U, 0xF3E957U, 0xF3F1BCU, 0xF40F0BU, 0xF417E0U, 0xF42635U, 0xF43EDEU, 0xF4459CU, 0xF45D77U, + 0xF46CA2U, 0xF47449U, 0xF482CDU, 0xF49A26U, 0xF4ABF3U, 0xF4B318U, 0xF4C85AU, 0xF4D0B1U, 0xF4E164U, 0xF4F98FU, + 0xF50C6CU, 0xF51487U, 0xF52552U, 0xF53DB9U, 0xF546FBU, 0xF55E10U, 0xF56FC5U, 0xF5772EU, 0xF581AAU, 0xF59941U, + 0xF5A894U, 0xF5B07FU, 0xF5CB3DU, 0xF5D3D6U, 0xF5E203U, 0xF5FAE8U, 0xF609C6U, 0xF6112DU, 0xF620F8U, 0xF63813U, + 0xF64351U, 0xF65BBAU, 0xF66A6FU, 0xF67284U, 0xF68400U, 0xF69CEBU, 0xF6AD3EU, 0xF6B5D5U, 0xF6CE97U, 0xF6D67CU, + 0xF6E7A9U, 0xF6FF42U, 0xF70AA1U, 0xF7124AU, 0xF7239FU, 0xF73B74U, 0xF74036U, 0xF758DDU, 0xF76908U, 0xF771E3U, + 0xF78767U, 0xF79F8CU, 0xF7AE59U, 0xF7B6B2U, 0xF7CDF0U, 0xF7D51BU, 0xF7E4CEU, 0xF7FC25U, 0xF80148U, 0xF819A3U, + 0xF82876U, 0xF8309DU, 0xF84BDFU, 0xF85334U, 0xF862E1U, 0xF87A0AU, 0xF88C8EU, 0xF89465U, 0xF8A5B0U, 0xF8BD5BU, + 0xF8C619U, 0xF8DEF2U, 0xF8EF27U, 0xF8F7CCU, 0xF9022FU, 0xF91AC4U, 0xF92B11U, 0xF933FAU, 0xF948B8U, 0xF95053U, + 0xF96186U, 0xF9796DU, 0xF98FE9U, 0xF99702U, 0xF9A6D7U, 0xF9BE3CU, 0xF9C57EU, 0xF9DD95U, 0xF9EC40U, 0xF9F4ABU, + 0xFA0785U, 0xFA1F6EU, 0xFA2EBBU, 0xFA3650U, 0xFA4D12U, 0xFA55F9U, 0xFA642CU, 0xFA7CC7U, 0xFA8A43U, 0xFA92A8U, + 0xFAA37DU, 0xFABB96U, 0xFAC0D4U, 0xFAD83FU, 0xFAE9EAU, 0xFAF101U, 0xFB04E2U, 0xFB1C09U, 0xFB2DDCU, 0xFB3537U, + 0xFB4E75U, 0xFB569EU, 0xFB674BU, 0xFB7FA0U, 0xFB8924U, 0xFB91CFU, 0xFBA01AU, 0xFBB8F1U, 0xFBC3B3U, 0xFBDB58U, + 0xFBEA8DU, 0xFBF266U, 0xFC0CD1U, 0xFC143AU, 0xFC25EFU, 0xFC3D04U, 0xFC4646U, 0xFC5EADU, 0xFC6F78U, 0xFC7793U, + 0xFC8117U, 0xFC99FCU, 0xFCA829U, 0xFCB0C2U, 0xFCCB80U, 0xFCD36BU, 0xFCE2BEU, 0xFCFA55U, 0xFD0FB6U, 0xFD175DU, + 0xFD2688U, 0xFD3E63U, 0xFD4521U, 0xFD5DCAU, 0xFD6C1FU, 0xFD74F4U, 0xFD8270U, 0xFD9A9BU, 0xFDAB4EU, 0xFDB3A5U, + 0xFDC8E7U, 0xFDD00CU, 0xFDE1D9U, 0xFDF932U, 0xFE0A1CU, 0xFE12F7U, 0xFE2322U, 0xFE3BC9U, 0xFE408BU, 0xFE5860U, + 0xFE69B5U, 0xFE715EU, 0xFE87DAU, 0xFE9F31U, 0xFEAEE4U, 0xFEB60FU, 0xFECD4DU, 0xFED5A6U, 0xFEE473U, 0xFEFC98U, + 0xFF097BU, 0xFF1190U, 0xFF2045U, 0xFF38AEU, 0xFF43ECU, 0xFF5B07U, 0xFF6AD2U, 0xFF7239U, 0xFF84BDU, 0xFF9C56U, + 0xFFAD83U, 0xFFB568U, 0xFFCE2AU, 0xFFD6C1U, 0xFFE714U, 0xFFFFFFU}; + +static const unsigned int DECODING_TABLE_23127[] = { + 0x000000U, 0x000001U, 0x000002U, 0x000003U, 0x000004U, 0x000005U, 0x000006U, 0x000007U, 0x000008U, 0x000009U, + 0x00000AU, 0x00000BU, 0x00000CU, 0x00000DU, 0x00000EU, 0x024020U, 0x000010U, 0x000011U, 0x000012U, 0x000013U, + 0x000014U, 0x000015U, 0x000016U, 0x412000U, 0x000018U, 0x000019U, 0x00001AU, 0x180800U, 0x00001CU, 0x200300U, + 0x048040U, 0x001480U, 0x000020U, 0x000021U, 0x000022U, 0x000023U, 0x000024U, 0x000025U, 0x000026U, 0x024008U, + 0x000028U, 0x000029U, 0x00002AU, 0x024004U, 0x00002CU, 0x024002U, 0x024001U, 0x024000U, 0x000030U, 0x000031U, + 0x000032U, 0x008180U, 0x000034U, 0x000C40U, 0x301000U, 0x0C0200U, 0x000038U, 0x043000U, 0x400600U, 0x210040U, + 0x090080U, 0x508000U, 0x002900U, 0x024010U, 0x000040U, 0x000041U, 0x000042U, 0x000043U, 0x000044U, 0x000045U, + 0x000046U, 0x280080U, 0x000048U, 0x000049U, 0x00004AU, 0x002500U, 0x00004CU, 0x111000U, 0x048010U, 0x400A00U, + 0x000050U, 0x000051U, 0x000052U, 0x021200U, 0x000054U, 0x000C20U, 0x048008U, 0x104100U, 0x000058U, 0x404080U, + 0x048004U, 0x210020U, 0x048002U, 0x0A2000U, 0x048000U, 0x048001U, 0x000060U, 0x000061U, 0x000062U, 0x540000U, + 0x000064U, 0x000C10U, 0x010300U, 0x00B000U, 0x000068U, 0x088200U, 0x001880U, 0x210010U, 0x602000U, 0x040180U, + 0x180400U, 0x024040U, 0x000070U, 0x000C04U, 0x086000U, 0x210008U, 0x000C01U, 0x000C00U, 0x420080U, 0x000C02U, + 0x120100U, 0x210002U, 0x210001U, 0x210000U, 0x005200U, 0x000C08U, 0x048020U, 0x210004U, 0x000080U, 0x000081U, + 0x000082U, 0x000083U, 0x000084U, 0x000085U, 0x000086U, 0x280040U, 0x000088U, 0x000089U, 0x00008AU, 0x050200U, + 0x00008CU, 0x00A800U, 0x500100U, 0x001410U, 0x000090U, 0x000091U, 0x000092U, 0x008120U, 0x000094U, 0x160000U, + 0x004A00U, 0x001408U, 0x000098U, 0x404040U, 0x222000U, 0x001404U, 0x090020U, 0x001402U, 0x001401U, 0x001400U, + 0x0000A0U, 0x0000A1U, 0x0000A2U, 0x008110U, 0x0000A4U, 0x401200U, 0x042400U, 0x110800U, 0x0000A8U, 0x300400U, + 0x001840U, 0x482000U, 0x090010U, 0x040140U, 0x208200U, 0x024080U, 0x0000B0U, 0x008102U, 0x008101U, 0x008100U, + 0x090008U, 0x206000U, 0x420040U, 0x008104U, 0x090004U, 0x020A00U, 0x144000U, 0x008108U, 0x090000U, 0x090001U, + 0x090002U, 0x001420U, 0x0000C0U, 0x0000C1U, 0x0000C2U, 0x280004U, 0x0000C4U, 0x280002U, 0x280001U, 0x280000U, + 0x0000C8U, 0x404010U, 0x001820U, 0x128000U, 0x020600U, 0x040120U, 0x016000U, 0x280008U, 0x0000D0U, 0x404008U, + 0x110400U, 0x042800U, 0x003100U, 0x018200U, 0x420020U, 0x280010U, 0x404001U, 0x404000U, 0x080300U, 0x404002U, + 0x300800U, 0x404004U, 0x048080U, 0x001440U, 0x0000E0U, 0x032000U, 0x001808U, 0x004600U, 0x10C000U, 0x040108U, + 0x420010U, 0x280020U, 0x001802U, 0x040104U, 0x001800U, 0x001801U, 0x040101U, 0x040100U, 0x001804U, 0x040102U, + 0x240200U, 0x181000U, 0x420004U, 0x008140U, 0x420002U, 0x000C80U, 0x420000U, 0x420001U, 0x00A400U, 0x404020U, + 0x001810U, 0x210080U, 0x090040U, 0x040110U, 0x420008U, 0x102200U, 0x000100U, 0x000101U, 0x000102U, 0x000103U, + 0x000104U, 0x000105U, 0x000106U, 0x041800U, 0x000108U, 0x000109U, 0x00010AU, 0x002440U, 0x00010CU, 0x200210U, + 0x500080U, 0x098000U, 0x000110U, 0x000111U, 0x000112U, 0x0080A0U, 0x000114U, 0x200208U, 0x0A0400U, 0x104040U, + 0x000118U, 0x200204U, 0x015000U, 0x460000U, 0x200201U, 0x200200U, 0x002820U, 0x200202U, 0x000120U, 0x000121U, + 0x000122U, 0x008090U, 0x000124U, 0x182000U, 0x010240U, 0x600400U, 0x000128U, 0x410800U, 0x2C0000U, 0x101200U, + 0x009400U, 0x0400C0U, 0x002810U, 0x024100U, 0x000130U, 0x008082U, 0x008081U, 0x008080U, 0x444000U, 0x031000U, + 0x002808U, 0x008084U, 0x120040U, 0x084400U, 0x002804U, 0x008088U, 0x002802U, 0x200220U, 0x002800U, 0x002801U, + 0x000140U, 0x000141U, 0x000142U, 0x002408U, 0x000144U, 0x428000U, 0x010220U, 0x104010U, 0x000148U, 0x002402U, + 0x002401U, 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0x012004U, 0x400010U, 0x400011U, + 0x012001U, 0x012000U, 0x400014U, 0x012002U, 0x40000AU, 0x209000U, 0x400008U, 0x400009U, 0x100180U, 0x000A40U, + 0x40000CU, 0x0C0400U, 0x400002U, 0x400003U, 0x400000U, 0x400001U, 0x400006U, 0x012010U, 0x400004U, 0x400005U, + 0x000640U, 0x610000U, 0x0C0800U, 0x0040A0U, 0x020088U, 0x081100U, 0x202010U, 0x108040U, 0x020084U, 0x140010U, + 0x019000U, 0x002300U, 0x020080U, 0x020081U, 0x020082U, 0x400C00U, 0x00C100U, 0x140008U, 0x202004U, 0x021400U, + 0x202002U, 0x000A20U, 0x202000U, 0x202001U, 0x140001U, 0x140000U, 0x400060U, 0x140002U, 0x020090U, 0x140004U, + 0x202008U, 0x094000U, 0x103000U, 0x004082U, 0x004081U, 0x004080U, 0x448000U, 0x000A10U, 0x010500U, 0x004084U, + 0x200900U, 0x088400U, 0x400050U, 0x004088U, 0x0200A0U, 0x012040U, 0x180200U, 0x241000U, 0x0B0000U, 0x000A04U, + 0x400048U, 0x004090U, 0x000A01U, 0x000A00U, 0x202020U, 0x000A02U, 0x400042U, 0x140020U, 0x400040U, 0x400041U, + 0x005400U, 0x000A08U, 0x400044U, 0x028100U, 0x000680U, 0x082010U, 0x201100U, 0x004060U, 0x020048U, 0x240800U, + 0x490000U, 0x108080U, 0x020044U, 0x408100U, 0x102800U, 0x050400U, 0x020040U, 0x020041U, 0x020042U, 0x001210U, + 0x082001U, 0x082000U, 0x068000U, 0x082002U, 0x100120U, 0x082004U, 0x004C00U, 0x001208U, 0x214000U, 0x082008U, + 0x4000A0U, 0x001204U, 0x020050U, 0x001202U, 0x001201U, 0x001200U, 0x018800U, 0x004042U, 0x004041U, 0x004040U, + 0x100110U, 0x401400U, 0x042200U, 0x004044U, 0x0C1000U, 0x300200U, 0x400090U, 0x004048U, 0x020060U, 0x012080U, + 0x208400U, 0x080900U, 0x100104U, 0x082020U, 0x400088U, 0x004050U, 0x100100U, 0x100101U, 0x100102U, 0x230000U, + 0x400082U, 0x020C00U, 0x400080U, 0x400081U, 0x100108U, 0x04C000U, 0x400084U, 0x001220U, 0x02000CU, 0x004022U, + 0x004021U, 0x004020U, 0x020008U, 0x020009U, 0x02000AU, 0x004024U, 0x020004U, 0x020005U, 0x020006U, 0x004028U, + 0x020000U, 0x020001U, 0x020002U, 0x020003U, 0x401800U, 0x082040U, 0x110200U, 0x004030U, 0x020018U, 0x018400U, + 0x202080U, 0x440100U, 0x020014U, 0x140080U, 0x080500U, 0x208800U, 0x020010U, 0x020011U, 0x020012U, 0x001240U, + 0x004003U, 0x004002U, 0x004001U, 0x004000U, 0x020028U, 0x004006U, 0x004005U, 0x004004U, 0x020024U, 0x00400AU, + 0x004009U, 0x004008U, 0x020020U, 0x020021U, 0x020022U, 0x00400CU, 0x240400U, 0x004012U, 0x004011U, 0x004010U, + 0x100140U, 0x000A80U, 0x089000U, 0x004014U, 0x00A200U, 0x011100U, 0x4000C0U, 0x004018U, 0x020030U, 0x680000U, + 0x050800U, 0x102400U, 0x000700U, 0x060020U, 0x201080U, 0x010810U, 0x402800U, 0x081040U, 0x044008U, 0x108100U, + 0x190000U, 0x408080U, 0x044004U, 0x002240U, 0x044002U, 0x200410U, 0x044000U, 0x044001U, 0x00C040U, 0x010802U, + 0x010801U, 0x010800U, 0x1000A0U, 0x200408U, 0x0A0200U, 0x010804U, 0x023000U, 0x200404U, 0x400120U, 0x010808U, + 0x200401U, 0x200400U, 0x044010U, 0x200402U, 0x060001U, 0x060000U, 0x08A000U, 0x060002U, 0x100090U, 0x060004U, + 0x010440U, 0x600200U, 0x200840U, 0x060008U, 0x400110U, 0x101400U, 0x009200U, 0x012100U, 0x044020U, 0x080880U, + 0x100084U, 0x060010U, 0x400108U, 0x010820U, 0x100080U, 0x100081U, 0x100082U, 0x007000U, 0x400102U, 0x084200U, + 0x400100U, 0x400101U, 0x100088U, 0x200420U, 0x400104U, 0x028040U, 0x00C010U, 0x081004U, 0x520000U, 0x002208U, + 0x081001U, 0x081000U, 0x010420U, 0x081002U, 0x200820U, 0x002202U, 0x002201U, 0x002200U, 0x020180U, 0x081008U, + 0x044040U, 0x002204U, 0x00C000U, 0x00C001U, 0x00C002U, 0x010840U, 0x00C004U, 0x081010U, 0x202100U, 0x440080U, + 0x00C008U, 0x140100U, 0x080480U, 0x002210U, 0x410200U, 0x200440U, 0x101800U, 0x028020U, 0x200808U, 0x060040U, + 0x010404U, 0x004180U, 0x010402U, 0x081020U, 0x010400U, 0x010401U, 0x200800U, 0x200801U, 0x200802U, 0x002220U, + 0x200804U, 0x504000U, 0x010408U, 0x028010U, 0x00C020U, 0x402400U, 0x041200U, 0x380000U, 0x1000C0U, 0x000B00U, + 0x010410U, 0x028008U, 0x200810U, 0x011080U, 0x400140U, 0x028004U, 0x0C2000U, 0x028002U, 0x028001U, 0x028000U, + 0x201002U, 0x408008U, 0x201000U, 0x201001U, 0x100030U, 0x014200U, 0x201004U, 0x022400U, 0x408001U, 0x408000U, + 0x201008U, 0x408002U, 0x020140U, 0x408004U, 0x044080U, 0x080820U, 0x100024U, 0x082100U, 0x201010U, 0x010880U, + 0x100020U, 0x100021U, 0x100022U, 0x440040U, 0x040A00U, 0x408010U, 0x080440U, 0x124000U, 0x100028U, 0x200480U, + 0x01A000U, 0x001300U, 0x100014U, 0x060080U, 0x201020U, 0x004140U, 0x100010U, 0x100011U, 0x100012U, 0x080808U, + 0x006400U, 0x408020U, 0x030200U, 0x080804U, 0x100018U, 0x080802U, 0x080801U, 0x080800U, 0x100004U, 0x100005U, + 0x100006U, 0x008600U, 0x100000U, 0x100001U, 0x100002U, 0x100003U, 0x10000CU, 0x011040U, 0x400180U, 0x242000U, + 0x100008U, 0x100009U, 0x10000AU, 0x080810U, 0x052000U, 0x100C00U, 0x201040U, 0x004120U, 0x020108U, 0x081080U, + 0x008A00U, 0x440010U, 0x020104U, 0x408040U, 0x080410U, 0x002280U, 0x020100U, 0x020101U, 0x020102U, 0x310000U, + 0x00C080U, 0x220200U, 0x080408U, 0x440004U, 0x100060U, 0x440002U, 0x440001U, 0x440000U, 0x080402U, 0x011020U, + 0x080400U, 0x080401U, 0x020110U, 0x006800U, 0x080404U, 0x440008U, 0x480200U, 0x004102U, 0x004101U, 0x004100U, + 0x100050U, 0x20A000U, 0x010480U, 0x004104U, 0x200880U, 0x011010U, 0x148000U, 0x004108U, 0x020120U, 0x040600U, + 0x403000U, 0x080840U, 0x100044U, 0x011008U, 0x022800U, 0x004110U, 0x100040U, 0x100041U, 0x100042U, 0x440020U, + 0x011001U, 0x011000U, 0x080420U, 0x011002U, 0x100048U, 0x011004U, 0x204200U, 0x028080U}; + +#define X22 0x00400000 /* vector representation of X^{22} */ +#define X11 0x00000800 /* vector representation of X^{11} */ +#define MASK12 0xfffff800 /* auxiliary vector for testing */ +#define GENPOL 0x00000c75 /* generator polinomial, g(x) */ + +static unsigned int get_syndrome_23127(unsigned int pattern) +/* + * Compute the syndrome corresponding to the given pattern, i.e., the + * remainder after dividing the pattern (when considering it as the vector + * representation of a polynomial) by the generator polynomial, GENPOL. + * In the program this pattern has several meanings: (1) pattern = infomation + * bits, when constructing the encoding table; (2) pattern = error pattern, + * when constructing the decoding table; and (3) pattern = received vector, to + * obtain its syndrome in decoding. + */ +{ + unsigned int aux = X22; + + if (pattern >= X11) { + while (pattern & MASK12) { + while (!(aux & pattern)) + aux = aux >> 1; + + pattern ^= (aux / X11) * GENPOL; + } + } + + return pattern; +} + +unsigned int CGolay24128::encode23127(unsigned int data) +{ + return ENCODING_TABLE_23127[data]; +} + +unsigned int CGolay24128::encode24128(unsigned int data) +{ + return ENCODING_TABLE_24128[data]; +} + +unsigned int CGolay24128::decode23127(unsigned int code) +{ + unsigned int syndrome = ::get_syndrome_23127(code); + unsigned int error_pattern = DECODING_TABLE_23127[syndrome]; + + code ^= error_pattern; + + return code >> 11; +} + +unsigned int CGolay24128::decode24128(unsigned int code) +{ + return decode23127(code >> 1); +} + +unsigned int CGolay24128::decode24128(unsigned char* bytes) +{ + assert(bytes != NULL); + + unsigned int code = bytes[0U]; + code <<= 8; + code |= bytes[1U]; + code <<= 8; + code |= bytes[2U]; + + return decode23127(code >> 1); +} diff --git a/DSTAR2YSF/Golay24128.h b/DSTAR2YSF/Golay24128.h new file mode 100644 index 0000000..1ac7852 --- /dev/null +++ b/DSTAR2YSF/Golay24128.h @@ -0,0 +1,32 @@ +/* + * Copyright (C) 2010,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef Golay24128_H +#define Golay24128_H + +class CGolay24128 { +public: + static unsigned int encode23127(unsigned int data); + static unsigned int encode24128(unsigned int data); + + static unsigned int decode23127(unsigned int code); + static unsigned int decode24128(unsigned int code); + static unsigned int decode24128(unsigned char* bytes); +}; + +#endif diff --git a/DSTAR2YSF/Log.cpp b/DSTAR2YSF/Log.cpp new file mode 100644 index 0000000..fc37ebf --- /dev/null +++ b/DSTAR2YSF/Log.cpp @@ -0,0 +1,136 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "Log.h" + +#if defined(_WIN32) || defined(_WIN64) +#include +#else +#include +#endif + +#include +#include +#include +#include +#include +#include + +static unsigned int m_fileLevel = 2U; +static std::string m_filePath; +static std::string m_fileRoot; + +static FILE* m_fpLog = NULL; + +static unsigned int m_displayLevel = 2U; + +static struct tm m_tm; + +static char LEVELS[] = " DMIWEF"; + +static bool LogOpen() +{ + if (m_fileLevel == 0U) + return true; + + time_t now; + ::time(&now); + + struct tm* tm = ::gmtime(&now); + + if (tm->tm_mday == m_tm.tm_mday && tm->tm_mon == m_tm.tm_mon && tm->tm_year == m_tm.tm_year) { + if (m_fpLog != NULL) + return true; + } else { + if (m_fpLog != NULL) + ::fclose(m_fpLog); + } + + char filename[100U]; +#if defined(_WIN32) || defined(_WIN64) + ::sprintf(filename, "%s\\%s-%04d-%02d-%02d.log", m_filePath.c_str(), m_fileRoot.c_str(), tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday); +#else + ::sprintf(filename, "%s/%s-%04d-%02d-%02d.log", m_filePath.c_str(), m_fileRoot.c_str(), tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday); +#endif + + m_fpLog = ::fopen(filename, "a+t"); + m_tm = *tm; + + return m_fpLog != NULL; +} + +bool LogInitialise(const std::string& filePath, const std::string& fileRoot, unsigned int fileLevel, unsigned int displayLevel) +{ + m_filePath = filePath; + m_fileRoot = fileRoot; + m_fileLevel = fileLevel; + m_displayLevel = displayLevel; + return ::LogOpen(); +} + +void LogFinalise() +{ + if (m_fpLog != NULL) + ::fclose(m_fpLog); +} + +void Log(unsigned int level, const char* fmt, ...) +{ + assert(fmt != NULL); + + char buffer[300U]; +#if defined(_WIN32) || defined(_WIN64) + SYSTEMTIME st; + ::GetSystemTime(&st); + + ::sprintf(buffer, "%c: %04u-%02u-%02u %02u:%02u:%02u.%03u ", LEVELS[level], st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute, st.wSecond, st.wMilliseconds); +#else + struct timeval now; + ::gettimeofday(&now, NULL); + + struct tm* tm = ::gmtime(&now.tv_sec); + + ::sprintf(buffer, "%c: %04d-%02d-%02d %02d:%02d:%02d.%03lu ", LEVELS[level], tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec, now.tv_usec / 1000U); +#endif + + va_list vl; + va_start(vl, fmt); + + ::vsprintf(buffer + ::strlen(buffer), fmt, vl); + + va_end(vl); + + if (level >= m_fileLevel && m_fileLevel != 0U) { + bool ret = ::LogOpen(); + if (!ret) + return; + + ::fprintf(m_fpLog, "%s\n", buffer); + ::fflush(m_fpLog); + } + + if (level >= m_displayLevel && m_displayLevel != 0U) { + ::fprintf(stdout, "%s\n", buffer); + ::fflush(stdout); + } + + if (level == 6U) { // Fatal + ::fclose(m_fpLog); + exit(1); + } +} diff --git a/DSTAR2YSF/Log.h b/DSTAR2YSF/Log.h new file mode 100644 index 0000000..d671ef9 --- /dev/null +++ b/DSTAR2YSF/Log.h @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(LOG_H) +#define LOG_H + +#include + +#define LogDebug(fmt, ...) Log(1U, fmt, ##__VA_ARGS__) +#define LogMessage(fmt, ...) Log(2U, fmt, ##__VA_ARGS__) +#define LogInfo(fmt, ...) Log(3U, fmt, ##__VA_ARGS__) +#define LogWarning(fmt, ...) Log(4U, fmt, ##__VA_ARGS__) +#define LogError(fmt, ...) Log(5U, fmt, ##__VA_ARGS__) +#define LogFatal(fmt, ...) Log(6U, fmt, ##__VA_ARGS__) + +extern void Log(unsigned int level, const char* fmt, ...); + +extern bool LogInitialise(const std::string& filePath, const std::string& fileRoot, unsigned int fileLevel, unsigned int displayLevel); +extern void LogFinalise(); + +#endif diff --git a/DSTAR2YSF/Makefile b/DSTAR2YSF/Makefile new file mode 100644 index 0000000..7aeda97 --- /dev/null +++ b/DSTAR2YSF/Makefile @@ -0,0 +1,21 @@ +CC ?= gcc +CXX ?= g++ +CFLAGS ?= -g -O3 -Wall -std=c++0x -pthread +LIBS = -lm -lmd380_vocoder +LDFLAGS ?= -g + +OBJECTS = Conf.o CRC.o Golay24128.o Log.o ModeConv.o DSTARNetwork.o SerialController.o \ + StopWatch.o Timer.o UDPSocket.o Utils.o YSFConvolution.o YSFFICH.o YSFNetwork.o \ + YSFPayload.o DSTAR2YSF.o + +all: DSTAR2YSF + +DSTAR2YSF: $(OBJECTS) + $(CXX) $(OBJECTS) $(CFLAGS) $(LIBS) -o DSTAR2YSF -Xlinker --section-start=.firmware=0x0800C000 -Xlinker --section-start=.sram=0x20000000 + +%.o: %.cpp + $(CXX) $(CFLAGS) -c -o $@ $< + +clean: + $(RM) DSTAR2YSF *.o *.d *.bak *~ + diff --git a/DSTAR2YSF/ModeConv.cpp b/DSTAR2YSF/ModeConv.cpp new file mode 100644 index 0000000..fea8abe --- /dev/null +++ b/DSTAR2YSF/ModeConv.cpp @@ -0,0 +1,524 @@ +/* + * Copyright (C) 2010,2014,2016 and 2018 by Jonathan Naylor G4KLX + * Copyright (C) 2016 Mathias Weyland, HB9FRV + * Copyright (C) 2018 by Andy Uribe CA6JAU + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "ModeConv.h" +#include "Utils.h" +#include "Log.h" +#include +#include +#include +#include +#include + +const unsigned int INTERLEAVE_TABLE_26_4[] = { + 0U, 4U, 8U, 12U, 16U, 20U, 24U, 28U, 32U, 36U, 40U, 44U, 48U, 52U, 56U, 60U, 64U, 68U, 72U, 76U, 80U, 84U, 88U, 92U, 96U, 100U, + 1U, 5U, 9U, 13U, 17U, 21U, 25U, 29U, 33U, 37U, 41U, 45U, 49U, 53U, 57U, 61U, 65U, 69U, 73U, 77U, 81U, 85U, 89U, 93U, 97U, 101U, + 2U, 6U, 10U, 14U, 18U, 22U, 26U, 30U, 34U, 38U, 42U, 46U, 50U, 54U, 58U, 62U, 66U, 70U, 74U, 78U, 82U, 86U, 90U, 94U, 98U, 102U, + 3U, 7U, 11U, 15U, 19U, 23U, 27U, 31U, 35U, 39U, 43U, 47U, 51U, 55U, 59U, 63U, 67U, 71U, 75U, 79U, 83U, 87U, 91U, 95U, 99U, 103U}; + +const unsigned char WHITENING_DATA[] = {0x93U, 0xD7U, 0x51U, 0x21U, 0x9CU, 0x2FU, 0x6CU, 0xD0U, 0xEFU, 0x0FU, + 0xF8U, 0x3DU, 0xF1U, 0x73U, 0x20U, 0x94U, 0xEDU, 0x1EU, 0x7CU, 0xD8U}; + +const uint8_t BIT_MASK_TABLE[] = { 0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U }; +#define WRITE_BIT(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE[(i)&7]) +#define READ_BIT(p,i) (p[(i)>>3] & BIT_MASK_TABLE[(i)&7]) + +std::mutex m; + +CModeConv::CModeConv(std::string device) : +m_dstarN(0U), +m_ysfN(0U), +m_DSTAR(5000U, "YSF2DSTAR"), +m_YSF(5000U, "DSTAR2YSF") +{ + uint8_t buf[512]; + ::memset(buf, 0, sizeof(buf)); + const uint8_t AMBE2000_2400_1200[17] = {0x61, 0x00, 0x0d, 0x00, 0x0a, 0x01U, 0x30U, 0x07U, 0x63U, 0x40U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x48U}; + fprintf(stderr, "Creating vocoder on %s\n", device.c_str()); + vocoder = new CSerialController(device, SERIAL_460800); + fprintf(stderr, "Opening vocoder on %s\n", device.c_str()); + vocoder->open(); + fprintf(stderr, "Opened vocoder on %s\n", device.c_str()); + int lw = vocoder->write(AMBE2000_2400_1200, sizeof(AMBE2000_2400_1200)); + int lr = vocoder->read(buf, 6); + + fprintf(stderr, "AMBEHW:%d:%d: ", lw, lr); + for(int i = 0; i < lr; ++i){ + fprintf(stderr, "%02x ", buf[i]); + } + fprintf(stderr, "\n"); + fflush(stderr); + vocoder_thread = new std::thread(&CModeConv::vocoder_thread_fn, this); +} + +CModeConv::~CModeConv() +{ +} + +void CModeConv::vocoder_thread_fn() +{ + uint8_t dvsi_rx[512]; + uint8_t ambe[9]; + uint8_t vch[13]; + int16_t pcm[160U]; + uint8_t pcm_bytes[326U]; + int lr; + + const char dvsi_pcm_header[] = {0x61, 0x01, 0x42, 0x02, 0x00, 0xa0}; + const char dvsi_pkt_header[] = {0x61, 0x00, 0x0b, 0x01, 0x01, 0x48}; + std::deque d; + d.clear(); + ::memset(dvsi_rx, 0, 512); + //::memset(pcm, 0, sizeof(pcm)); + fprintf(stderr, "CModeConv::vocoder_thread_fn() started queue size == %d\n", d.max_size()); + while(1){ + lr = vocoder->read(dvsi_rx, sizeof(dvsi_rx)); + + //fprintf(stderr, "AMBEHW:%d: ", lr); + for(int i = 0; i < lr; ++i){ + d.push_back(dvsi_rx[i]); + //fprintf(stderr, "%02x ", dvsi_rx[i]); + } + //fprintf(stderr, "\n"); + //fflush(stderr); + /* + fprintf(stderr, "QUEUE %d: ", d.size()); + for(std::deque::iterator i = d.begin(); i < d.end(); ++i){ + fprintf(stderr, "%02x ", *i); + } + fprintf(stderr, "\n"); + fflush(stderr); + */ + if((::memcmp(&(*(d.begin())), dvsi_pcm_header, 6) == 0) && d.size() > 325){ + d.erase(d.begin(), d.begin() + 6); + + std::deque::iterator p_rx = d.begin(); + for(int i = 0; i < 160; ++i){ + pcm[i] = ((p_rx[(i*2)] << 8) & 0xff00) | (p_rx[(i*2)+1] & 0xff); + } + encodeYSF(pcm, vch); + m_YSF.addData(&TAG_DATA, 1U); + m_YSF.addData(vch, 13U); + m_ysfN += 1U; + d.erase(d.begin(), d.begin() + 320); + } + + if(d.size() > 14){ + int j = 0; + for(std::deque::iterator i = d.begin()+6; i < d.begin()+15; ++i){ + ambe[j++] = *i; + } + try { + //m.lock(); + m_DSTAR.addData(&TAG_DATA, 1U); + m_DSTAR.addData(ambe, 9U); + m_dstarN += 1; + //m.unlock(); + } + catch(std::logic_error&){ + fprintf(stderr, "Exception\n"); + } + //m_mutex.unlock(); + d.erase(d.begin(), d.begin() + 15U); + //} + //else{ + // fprintf(stderr, "read thread try_lock() failed\n"); + //} + } + /* + if(m_dvsiEncode){ + fprintf(stderr, "CModeConv::vocoder_thread_fn() encode\n"); + lr = vocoder->read(dvsi_rx, sizeof(dvsi_rx)); + //fprintf(stderr, "CModeConv::vocoder_thread_fn() encoding lr == %d\n", lr); + //for(int i = 0; i < lr; ++i){ + // d.push(dvsi_rx[i]); + //} + if(lr != 15){ + fprintf(stderr, "vocoder returned %d\n", lr); + //continue; + } + //if(d.size() > 14){ + //d.pop(); + //d.pop(); + //d.pop(); + //d.pop(); + //d.pop(); + //d.pop(); + //for(int i = 0; i < 9; ++i){ + // ambe[i] = d.front(); + // d.pop(); + //} + //::memcpy(pcm, pcm_bytes, 320); + m_DSTAR.addData(&TAG_DATA, 1U); + //m_DSTAR.addData(ambe, 9U); + m_DSTAR.addData(dvsi_rx+6, 9U); + m_dstarN += 1; + //} + } + else{ + fprintf(stderr, "CModeConv::vocoder_thread_fn() decode\n"); + lr = vocoder->read(pcm_bytes, sizeof(pcm_bytes)); + fprintf(stderr, "CModeConv::vocoder_thread_fn() decoding lr == %d\n", lr); + //for(int i = 0; i < lr; ++i){ + // pcm_q.push(pcm_bytes[i]); + //} + if(lr != 326){ + fprintf(stderr, "vocoder returned %d\n", lr); + continue; + } + //if(pcm_q.size() > 325){ + uint8_t *p_rx = pcm_bytes + 6; + for(int i = 0; i < 160; ++i){ + pcm[i] = ((p_rx[(i*2)] << 8) & 0xff00) | (p_rx[(i*2)+1] & 0xff); + } + + encodeYSF(pcm, vch); + m_YSF.addData(&TAG_DATA, 1U); + m_YSF.addData(vch, 13U); + m_ysfN += 1U; + //} + } + + fprintf(stderr, "AMBEHW %d: ", lr); + for(int i = 0; i < lr; ++i){ + fprintf(stderr, "%02x ", pcm_bytes[i]); + } + fprintf(stderr, "\n"); + fflush(stderr); + */ + } +} + +void CModeConv::encodeYSF(int16_t *pcm, uint8_t *vch) +{ + static const uint8_t scramble_code[180] = { + 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, + 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, + 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, + 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, + 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, + 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, + 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, + 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, + 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0 + }; + unsigned char ambe49[49]; + unsigned char ambe[7]; + uint8_t buf[104]; + uint8_t result[104]; + + memset(vch, 0, 13); + memset(ambe, 0, 7); + + md380_encode(ambe, pcm); + + for(int i = 0; i < 6; ++i){ + for(int j = 0; j < 8; j++){ + ambe49[j+(8*i)] = (1 & (ambe[i] >> (7 - j))); + } + } + ambe49[48] = (1 & (ambe[6] >> 7)); + + for (int i=0; i<27; i++) { + buf[0+i*3] = ambe49[i]; + buf[1+i*3] = ambe49[i]; + buf[2+i*3] = ambe49[i]; + } + memcpy(buf+81, ambe49+27, 22); + buf[103] = 0; + for (int i=0; i<104; i++) { + buf[i] = buf[i] ^ scramble_code[i]; + } + + int x=4; + int y=26; + for (int i=0; i= 1U) { + try { + //m.lock(); + m_DSTAR.getData(tag, 1U); + m_DSTAR.getData(data, 9U); + m_dstarN -= 1U; + //m.unlock(); + } + catch(std::logic_error&){ + fprintf(stderr, "Exception\n"); + } + return tag[0U]; + } + else + return TAG_NODATA; +} + +void CModeConv::putYSFHeader() +{ + uint8_t ambe[9U]; + ::memset(ambe, 0, 9); + m_DSTAR.addData(&TAG_HEADER, 1U); + m_DSTAR.addData(ambe, 9U); + m_dstarN += 1U; +} + +void CModeConv::putYSFEOT() +{ + uint8_t ambe[9U]; + ::memset(ambe, 0, 9); + m_DSTAR.addData(&TAG_EOT, 1U); + m_DSTAR.addData(ambe, 9U); + m_dstarN += 1U; +} + +void CModeConv::putYSF(unsigned char* data) +{ + unsigned char v_tmp[7U]; + uint8_t ambe[9U]; + int16_t pcm[160]; + + assert(data != NULL); + + ::memset(v_tmp, 0, 7U); + + data += YSF_SYNC_LENGTH_BYTES + YSF_FICH_LENGTH_BYTES; + + unsigned int offset = 40U; // DCH(0) + + // We have a total of 5 VCH sections, iterate through each + for (unsigned int j = 0U; j < 5U; j++, offset += 144U) { + + unsigned char vch[13U]; + unsigned int dat_a = 0U; + unsigned int dat_b = 0U; + unsigned int dat_c = 0U; + + // Deinterleave + for (unsigned int i = 0U; i < 104U; i++) { + unsigned int n = INTERLEAVE_TABLE_26_4[i]; + bool s = READ_BIT(data, offset + n); + WRITE_BIT(vch, i, s); + } + + // "Un-whiten" (descramble) + for (unsigned int i = 0U; i < 13U; i++) + vch[i] ^= WHITENING_DATA[i]; + + for (unsigned int i = 0U; i < 12U; i++) { + dat_a <<= 1U; + if (READ_BIT(vch, 3U*i + 1U)) + dat_a |= 0x01U;; + } + + for (unsigned int i = 0U; i < 12U; i++) { + dat_b <<= 1U; + if (READ_BIT(vch, 3U*(i + 12U) + 1U)) + dat_b |= 0x01U;; + } + + for (unsigned int i = 0U; i < 3U; i++) { + dat_c <<= 1U; + if (READ_BIT(vch, 3U*(i + 24U) + 1U)) + dat_c |= 0x01U;; + } + + for (unsigned int i = 0U; i < 22U; i++) { + dat_c <<= 1U; + if (READ_BIT(vch, i + 81U)) + dat_c |= 0x01U;; + } + + for (unsigned int i = 0U; i < 12U; i++) { + bool s1 = (dat_a << (i + 20U)) & 0x80000000; + bool s2 = (dat_b << (i + 20U)) & 0x80000000; + WRITE_BIT(v_tmp, i, s1); + WRITE_BIT(v_tmp, i + 12U, s2); + } + + for (unsigned int i = 0U; i < 25U; i++) { + bool s = (dat_c << (i + 7U)) & 0x80000000; + WRITE_BIT(v_tmp, i + 24U, s); + } + md380_decode(v_tmp, pcm); + encode_2400(pcm, ambe); + //m_DSTAR.addData(&TAG_DATA, 1U); + //m_DSTAR.addData(ambe, 9U); + //m_dstarN += 1; + } +} + +unsigned int CModeConv::getYSF(unsigned char* data) +{ + unsigned char tag[1U]; + + tag[0U] = TAG_NODATA; + + data += YSF_SYNC_LENGTH_BYTES + YSF_FICH_LENGTH_BYTES; + + if (m_ysfN >= 1U) { + m_YSF.peek(tag, 1U); + + if (tag[0U] != TAG_DATA) { + m_YSF.getData(tag, 1U); + m_YSF.getData(data, 13U); + m_ysfN -= 1U; + return tag[0U]; + } + } + + if (m_ysfN >= 5U) { + data += 5U; + m_YSF.getData(tag, 1U); + m_YSF.getData(data, 13U); + m_ysfN -= 1U; + + data += 18U; + m_YSF.getData(tag, 1U); + m_YSF.getData(data, 13U); + m_ysfN -= 1U; + + data += 18U; + m_YSF.getData(tag, 1U); + m_YSF.getData(data, 13U); + m_ysfN -= 1U; + + data += 18U; + m_YSF.getData(tag, 1U); + m_YSF.getData(data, 13U); + m_ysfN -= 1U; + + data += 18U; + m_YSF.getData(tag, 1U); + m_YSF.getData(data, 13U); + m_ysfN -= 1U; + + return TAG_DATA; + } + else + return TAG_NODATA; +} + +void CModeConv::decode_2400(int16_t *pcm, uint8_t *ambe) +{ + uint8_t dvsi_tx[15] = {0x61, 0x00, 0x0b, 0x01, 0x01, 0x48}; + uint8_t dvsi_rx[326]; + + ::memcpy(dvsi_tx + 6, ambe, 9); + m_dvsiEncode = false; + int lw = vocoder->write(dvsi_tx, 15); + /* + int lr = vocoder->read(dvsi_rx, sizeof(dvsi_rx)); + + if(lr != 326){ + fprintf(stderr, "vocoder returned %d:%d\n", lr, lw); + return; + } + + uint8_t *p_rx = dvsi_rx + 6; + for(int i = 0; i < 160; ++i){ + pcm[i] = ((p_rx[(i*2)] << 8) & 0xff00) | (p_rx[(i*2)+1] & 0xff); + } + //::memcpy(pcm, dvsi_rx + 6, 320); + fprintf(stderr, "AMBEHW:%d:%d: ", lw, lr); + for(int i = 0; i < lr; ++i){ + fprintf(stderr, "%02x ", dvsi_rx[i]); + } + fprintf(stderr, "\n"); + fflush(stderr); + */ +} + +void CModeConv::encode_2400(int16_t *pcm, uint8_t *ambe) +{ + uint8_t dvsi_tx[326] = {0x61, 0x01, 0x42, 0x02, 0x00, 0xa0}; + uint8_t dvsi_rx[15]; + + uint8_t *p_tx = dvsi_tx + 6; + for(int i = 0; i < 160; ++i){ + p_tx[(i*2)+1] = pcm[i] & 0xff; + p_tx[(i*2)] = pcm[i] >> 8; + } + + //::memcpy(dvsi_tx + 6, pcm, 320); + m_dvsiEncode = true; + int lw = vocoder->write(dvsi_tx, sizeof(dvsi_tx)); + + //int lr = vocoder->read(dvsi_rx, sizeof(dvsi_rx)); + + //::memcpy(ambe, dvsi_rx + 6, 9); + /* + fprintf(stderr, "PCM:%d: ", lw); + for(int i = 0; i < lw; ++i){ + fprintf(stderr, "%02x ", dvsi_tx[i]); + } + fprintf(stderr, "\n"); + fflush(stderr); + */ +} diff --git a/DSTAR2YSF/ModeConv.h b/DSTAR2YSF/ModeConv.h new file mode 100644 index 0000000..0d40c42 --- /dev/null +++ b/DSTAR2YSF/ModeConv.h @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2010,2014,2016 by Jonathan Naylor G4KLX + * Copyright (C) 2018 by Andy Uribe CA6JAU + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include "SerialController.h" +#include "YSFDefines.h" +#include "RingBuffer.h" +#include + + +const unsigned char TAG_HEADER = 0x00U; +const unsigned char TAG_DATA = 0x01U; +const unsigned char TAG_LOST = 0x02U; +const unsigned char TAG_EOT = 0x03U; +const unsigned char TAG_NODATA = 0x04U; + +#if !defined(MODECONV_H) +#define MODECONV_H + +class CModeConv { +public: + CModeConv(std::string device = "/dev/null"); + ~CModeConv(); + + void putDSTAR(unsigned char* bytes); + void putDSTARHeader(); + void putDSTAREOT(); + unsigned int getDSTAR(unsigned char* bytes); + + void putYSF(unsigned char* bytes); + void putYSFHeader(); + void putYSFEOT(); + + unsigned int getYSF(unsigned char* bytes); + +private: + void encodeYSF(int16_t *pcm, uint8_t *vch); + void decode_2400(int16_t *, uint8_t *); + void encode_2400(int16_t *, uint8_t *); + void vocoder_thread_fn(); + + unsigned int m_dstarN; + unsigned int m_ysfN; + CSerialController *vocoder; + CRingBuffer m_DSTAR; + CRingBuffer m_YSF; + bool m_dvsiEncode; + std::thread *vocoder_thread; + std::atomic_flag m_lock; + +}; + +#endif diff --git a/DSTAR2YSF/RingBuffer.h b/DSTAR2YSF/RingBuffer.h new file mode 100644 index 0000000..707de1c --- /dev/null +++ b/DSTAR2YSF/RingBuffer.h @@ -0,0 +1,154 @@ +/* + * Copyright (C) 2006-2009,2012,2013,2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef RingBuffer_H +#define RingBuffer_H + +#include "Log.h" + +#include +#include +#include + +template class CRingBuffer { +public: + CRingBuffer(unsigned int length, const char* name) : + m_length(length), + m_name(name), + m_buffer(NULL), + m_iPtr(0U), + m_oPtr(0U) + { + assert(length > 0U); + assert(name != NULL); + + m_buffer = new T[length]; + + ::memset(m_buffer, 0x00, m_length * sizeof(T)); + } + + ~CRingBuffer() + { + delete[] m_buffer; + } + + bool addData(const T* buffer, unsigned int nSamples) + { + if (nSamples >= freeSpace()) { + LogError("%s buffer overflow, clearing the buffer. (%u >= %u)", m_name, nSamples, freeSpace()); + clear(); + return false; + } + + for (unsigned int i = 0U; i < nSamples; i++) { + m_buffer[m_iPtr++] = buffer[i]; + + if (m_iPtr == m_length) + m_iPtr = 0U; + } + + return true; + } + + bool getData(T* buffer, unsigned int nSamples) + { + if (dataSize() < nSamples) { + LogError("**** Underflow in %s ring buffer, %u < %u", m_name, dataSize(), nSamples); + return false; + } + + for (unsigned int i = 0U; i < nSamples; i++) { + buffer[i] = m_buffer[m_oPtr++]; + + if (m_oPtr == m_length) + m_oPtr = 0U; + } + + return true; + } + + bool peek(T* buffer, unsigned int nSamples) + { + if (dataSize() < nSamples) { + LogError("**** Underflow peek in %s ring buffer, %u < %u", m_name, dataSize(), nSamples); + return false; + } + + unsigned int ptr = m_oPtr; + for (unsigned int i = 0U; i < nSamples; i++) { + buffer[i] = m_buffer[ptr++]; + + if (ptr == m_length) + ptr = 0U; + } + + return true; + } + + void clear() + { + m_iPtr = 0U; + m_oPtr = 0U; + + ::memset(m_buffer, 0x00, m_length * sizeof(T)); + } + + unsigned int freeSpace() const + { + unsigned int len = m_length; + + if (m_oPtr > m_iPtr) + len = m_oPtr - m_iPtr; + else if (m_iPtr > m_oPtr) + len = m_length - (m_iPtr - m_oPtr); + + if (len > m_length) + len = 0U; + + return len; + } + + unsigned int dataSize() const + { + return m_length - freeSpace(); + } + + bool hasSpace(unsigned int length) const + { + return freeSpace() > length; + } + + bool hasData() const + { + return m_oPtr != m_iPtr; + } + + bool isEmpty() const + { + return m_oPtr == m_iPtr; + } + +private: + unsigned int m_length; + const char* m_name; + T* m_buffer; + unsigned int m_iPtr; + unsigned int m_oPtr; +}; + +#endif diff --git a/DSTAR2YSF/SerialController.cpp b/DSTAR2YSF/SerialController.cpp new file mode 100644 index 0000000..ab96102 --- /dev/null +++ b/DSTAR2YSF/SerialController.cpp @@ -0,0 +1,210 @@ +/* + * Copyright (C) 2002-2004,2007-2011,2013,2014-2017,2019 by Jonathan Naylor G4KLX + * Copyright (C) 1999-2001 by Thomas Sailor HB9JNX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "SerialController.h" +#include "Log.h" + +#include +#include + +#include + +#include +#include +#include +#include +#include +#include + +CSerialController::CSerialController(const std::string& device, SERIAL_SPEED speed, bool assertRTS) : +m_device(device), +m_speed(speed), +m_assertRTS(assertRTS), +m_fd(-1) +{ + assert(!device.empty()); +} + +CSerialController::~CSerialController() +{ +} + +bool CSerialController::open() +{ + assert(m_fd == -1); + + m_fd = ::open(m_device.c_str(), O_RDWR); + + if (m_fd < 0) { + LogError("Cannot open device - %s", m_device.c_str()); + return false; + } + + if (::isatty(m_fd)) { + termios termios; + if (::tcgetattr(m_fd, &termios) < 0) { + LogError("Cannot get the attributes for %s", m_device.c_str()); + ::close(m_fd); + return false; + } + + termios.c_iflag &= ~(IGNBRK | BRKINT | IGNPAR | PARMRK | INPCK); + termios.c_iflag &= ~(ISTRIP | INLCR | IGNCR | ICRNL); + termios.c_iflag &= ~(IXON | IXOFF | IXANY); + termios.c_oflag &= ~(OPOST); + termios.c_cflag &= ~(CSTOPB | PARENB | CRTSCTS); + termios.c_cflag |= (CS8 | CLOCAL | CREAD); + termios.c_lflag &= ~(ISIG | ICANON | IEXTEN); + termios.c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL); + termios.c_cc[VMIN] = 0; + termios.c_cc[VTIME] = 1; + + switch (m_speed) { + case SERIAL_1200: + ::cfsetospeed(&termios, B1200); + ::cfsetispeed(&termios, B1200); + break; + case SERIAL_2400: + ::cfsetospeed(&termios, B2400); + ::cfsetispeed(&termios, B2400); + break; + case SERIAL_4800: + ::cfsetospeed(&termios, B4800); + ::cfsetispeed(&termios, B4800); + break; + case SERIAL_9600: + ::cfsetospeed(&termios, B9600); + ::cfsetispeed(&termios, B9600); + break; + case SERIAL_19200: + ::cfsetospeed(&termios, B19200); + ::cfsetispeed(&termios, B19200); + break; + case SERIAL_38400: + ::cfsetospeed(&termios, B38400); + ::cfsetispeed(&termios, B38400); + break; + case SERIAL_115200: + ::cfsetospeed(&termios, B115200); + ::cfsetispeed(&termios, B115200); + break; + case SERIAL_230400: + ::cfsetospeed(&termios, B230400); + ::cfsetispeed(&termios, B230400); + break; + case SERIAL_460800: + ::cfsetospeed(&termios, B460800); + ::cfsetispeed(&termios, B460800); + break; + default: + LogError("Unsupported serial port speed - %d", int(m_speed)); + ::close(m_fd); + return false; + } + + if (::tcsetattr(m_fd, TCSANOW, &termios) < 0) { + LogError("Cannot set the attributes for %s", m_device.c_str()); + ::close(m_fd); + return false; + } + + if (m_assertRTS) { + unsigned int y; + if (::ioctl(m_fd, TIOCMGET, &y) < 0) { + LogError("Cannot get the control attributes for %s", m_device.c_str()); + ::close(m_fd); + return false; + } + + y |= TIOCM_RTS; + + if (::ioctl(m_fd, TIOCMSET, &y) < 0) { + LogError("Cannot set the control attributes for %s", m_device.c_str()); + ::close(m_fd); + return false; + } + } + } + + return true; +} + +int CSerialController::read(unsigned char* buffer, unsigned int length) +{ + assert(buffer != NULL); + assert(m_fd != -1); + unsigned int ptr = 0; + /* + ssize_t len = ::read(m_fd, buffer, length); + if (len < 0) { + if (errno != EAGAIN) { + LogError("Error from read(), errno=%d", errno); + return -1; + } + } + ptr += len; + */ + //while(ptr < length){ + //ssize_t len = ::read(m_fd, buffer + ptr, length - ptr); + ssize_t len = ::read(m_fd, buffer, length); + if (len < 0) { + if (errno != EAGAIN) { + LogError("Error from read(), errno=%d", errno); + return -1; + } + } + //if (len > 0) + //ptr += len; + //} + + return len; +} + +int CSerialController::write(const unsigned char* buffer, unsigned int length) +{ + assert(buffer != NULL); + assert(m_fd != -1); + + if (length == 0U) + return 0; + + unsigned int ptr = 0U; + while (ptr < length) { + ssize_t len = ::write(m_fd, buffer + ptr, length - ptr); + if (len < 0) { + if (errno != EAGAIN) { + LogError("Error returned from write(), errno=%d", errno); + return -1; + } + } + + if (len > 0) + ptr += len; + } + + return ptr; +} + +void CSerialController::close() +{ + assert(m_fd != -1); + + ::close(m_fd); + m_fd = -1; +} diff --git a/DSTAR2YSF/SerialController.h b/DSTAR2YSF/SerialController.h new file mode 100644 index 0000000..adc3876 --- /dev/null +++ b/DSTAR2YSF/SerialController.h @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2002-2004,2007-2009,2011-2013,2015-2017 by Jonathan Naylor G4KLX + * Copyright (C) 1999-2001 by Thomas Sailor HB9JNX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef SerialController_H +#define SerialController_H + +#include + + +enum SERIAL_SPEED { + SERIAL_1200 = 1200, + SERIAL_2400 = 2400, + SERIAL_4800 = 4800, + SERIAL_9600 = 9600, + SERIAL_19200 = 19200, + SERIAL_38400 = 38400, + SERIAL_76800 = 76800, + SERIAL_115200 = 115200, + SERIAL_230400 = 230400, + SERIAL_460800 = 460800 +}; + +class CSerialController { +public: + CSerialController(const std::string& device, SERIAL_SPEED speed, bool assertRTS = false); + ~CSerialController(); + + bool open(); + int read(unsigned char* buffer, unsigned int length); + int write(const unsigned char* buffer, unsigned int length); + void close(); + +protected: + std::string m_device; + SERIAL_SPEED m_speed; + bool m_assertRTS; + int m_fd; +}; + +#endif diff --git a/DSTAR2YSF/StopWatch.cpp b/DSTAR2YSF/StopWatch.cpp new file mode 100644 index 0000000..481241b --- /dev/null +++ b/DSTAR2YSF/StopWatch.cpp @@ -0,0 +1,105 @@ +/* + * Copyright (C) 2015,2016,2018 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "StopWatch.h" + +#if defined(_WIN32) || defined(_WIN64) + +CStopWatch::CStopWatch() : +m_frequencyS(), +m_frequencyMS(), +m_start() +{ + ::QueryPerformanceFrequency(&m_frequencyS); + + m_frequencyMS.QuadPart = m_frequencyS.QuadPart / 1000ULL; +} + +CStopWatch::~CStopWatch() +{ +} + +unsigned long long CStopWatch::time() const +{ + LARGE_INTEGER now; + ::QueryPerformanceCounter(&now); + + return (unsigned long long)(now.QuadPart / m_frequencyMS.QuadPart); +} + +unsigned long long CStopWatch::start() +{ + ::QueryPerformanceCounter(&m_start); + + return (unsigned long long)(m_start.QuadPart / m_frequencyS.QuadPart); +} + +unsigned int CStopWatch::elapsed() +{ + LARGE_INTEGER now; + ::QueryPerformanceCounter(&now); + + LARGE_INTEGER temp; + temp.QuadPart = (now.QuadPart - m_start.QuadPart) * 1000; + + return (unsigned int)(temp.QuadPart / m_frequencyS.QuadPart); +} + +#else + +#include +#include + +CStopWatch::CStopWatch() : +m_startMS(0ULL) +{ +} + +CStopWatch::~CStopWatch() +{ +} + +unsigned long long CStopWatch::time() const +{ + struct timeval now; + ::gettimeofday(&now, NULL); + + return now.tv_sec * 1000ULL + now.tv_usec / 1000ULL; +} + +unsigned long long CStopWatch::start() +{ + struct timespec now; + ::clock_gettime(CLOCK_MONOTONIC, &now); + + m_startMS = now.tv_sec * 1000ULL + now.tv_nsec / 1000000ULL; + + return m_startMS; +} + +unsigned int CStopWatch::elapsed() +{ + struct timespec now; + ::clock_gettime(CLOCK_MONOTONIC, &now); + + unsigned long long nowMS = now.tv_sec * 1000ULL + now.tv_nsec / 1000000ULL; + + return nowMS - m_startMS; +} + +#endif diff --git a/DSTAR2YSF/StopWatch.h b/DSTAR2YSF/StopWatch.h new file mode 100644 index 0000000..3f8fa19 --- /dev/null +++ b/DSTAR2YSF/StopWatch.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2015,2016,2018 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(STOPWATCH_H) +#define STOPWATCH_H + +#if defined(_WIN32) || defined(_WIN64) +#include +#else +#include +#endif + +class CStopWatch +{ +public: + CStopWatch(); + ~CStopWatch(); + + unsigned long long time() const; + + unsigned long long start(); + unsigned int elapsed(); + +private: +#if defined(_WIN32) || defined(_WIN64) + LARGE_INTEGER m_frequencyS; + LARGE_INTEGER m_frequencyMS; + LARGE_INTEGER m_start; +#else + unsigned long long m_startMS; +#endif +}; + +#endif diff --git a/DSTAR2YSF/Timer.cpp b/DSTAR2YSF/Timer.cpp new file mode 100644 index 0000000..53956e4 --- /dev/null +++ b/DSTAR2YSF/Timer.cpp @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2009,2010,2015 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "Timer.h" + +#include +#include + +CTimer::CTimer(unsigned int ticksPerSec, unsigned int secs, unsigned int msecs) : +m_ticksPerSec(ticksPerSec), +m_timeout(0U), +m_timer(0U) +{ + assert(ticksPerSec > 0U); + + if (secs > 0U || msecs > 0U) { + // m_timeout = ((secs * 1000U + msecs) * m_ticksPerSec) / 1000U + 1U; + unsigned long long temp = (secs * 1000ULL + msecs) * m_ticksPerSec; + m_timeout = (unsigned int)(temp / 1000ULL + 1ULL); + } +} + +CTimer::~CTimer() +{ +} + +void CTimer::setTimeout(unsigned int secs, unsigned int msecs) +{ + if (secs > 0U || msecs > 0U) { + // m_timeout = ((secs * 1000U + msecs) * m_ticksPerSec) / 1000U + 1U; + unsigned long long temp = (secs * 1000ULL + msecs) * m_ticksPerSec; + m_timeout = (unsigned int)(temp / 1000ULL + 1ULL); + } else { + m_timeout = 0U; + m_timer = 0U; + } +} + +unsigned int CTimer::getTimeout() const +{ + if (m_timeout == 0U) + return 0U; + + return (m_timeout - 1U) / m_ticksPerSec; +} + +unsigned int CTimer::getTimer() const +{ + if (m_timer == 0U) + return 0U; + + return (m_timer - 1U) / m_ticksPerSec; +} diff --git a/DSTAR2YSF/Timer.h b/DSTAR2YSF/Timer.h new file mode 100644 index 0000000..87d68f5 --- /dev/null +++ b/DSTAR2YSF/Timer.h @@ -0,0 +1,89 @@ +/* + * Copyright (C) 2009,2010,2011,2014 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef Timer_H +#define Timer_H + +class CTimer { +public: + CTimer(unsigned int ticksPerSec, unsigned int secs = 0U, unsigned int msecs = 0U); + ~CTimer(); + + void setTimeout(unsigned int secs, unsigned int msecs = 0U); + + unsigned int getTimeout() const; + unsigned int getTimer() const; + + unsigned int getRemaining() + { + if (m_timeout == 0U || m_timer == 0U) + return 0U; + + if (m_timer >= m_timeout) + return 0U; + + return (m_timeout - m_timer) / m_ticksPerSec; + } + + bool isRunning() + { + return m_timer > 0U; + } + + void start(unsigned int secs, unsigned int msecs = 0U) + { + setTimeout(secs, msecs); + + start(); + } + + void start() + { + if (m_timeout > 0U) + m_timer = 1U; + } + + void stop() + { + m_timer = 0U; + } + + bool hasExpired() + { + if (m_timeout == 0U || m_timer == 0U) + return false; + + if (m_timer >= m_timeout) + return true; + + return false; + } + + void clock(unsigned int ticks = 1U) + { + if (m_timer > 0U && m_timeout > 0U) + m_timer += ticks; + } + +private: + unsigned int m_ticksPerSec; + unsigned int m_timeout; + unsigned int m_timer; +}; + +#endif diff --git a/DSTAR2YSF/UDPSocket.cpp b/DSTAR2YSF/UDPSocket.cpp new file mode 100644 index 0000000..396f1f7 --- /dev/null +++ b/DSTAR2YSF/UDPSocket.cpp @@ -0,0 +1,262 @@ +/* + * Copyright (C) 2006-2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "UDPSocket.h" +#include "Log.h" + +#include + +#if !defined(_WIN32) && !defined(_WIN64) +#include +#include +#endif + + +CUDPSocket::CUDPSocket(const std::string& address, unsigned int port) : +m_address(address), +m_port(port), +m_fd(-1) +{ + assert(!address.empty()); + +#if defined(_WIN32) || defined(_WIN64) + WSAData data; + int wsaRet = ::WSAStartup(MAKEWORD(2, 2), &data); + if (wsaRet != 0) + LogError("Error from WSAStartup"); +#endif +} + +CUDPSocket::CUDPSocket(unsigned int port) : +m_address(), +m_port(port), +m_fd(-1) +{ +#if defined(_WIN32) || defined(_WIN64) + WSAData data; + int wsaRet = ::WSAStartup(MAKEWORD(2, 2), &data); + if (wsaRet != 0) + LogError("Error from WSAStartup"); +#endif +} + +CUDPSocket::~CUDPSocket() +{ +#if defined(_WIN32) || defined(_WIN64) + ::WSACleanup(); +#endif +} + +in_addr CUDPSocket::lookup(const std::string& hostname) +{ + in_addr addr; +#if defined(_WIN32) || defined(_WIN64) + unsigned long address = ::inet_addr(hostname.c_str()); + if (address != INADDR_NONE && address != INADDR_ANY) { + addr.s_addr = address; + return addr; + } + + struct hostent* hp = ::gethostbyname(hostname.c_str()); + if (hp != NULL) { + ::memcpy(&addr, hp->h_addr_list[0], sizeof(struct in_addr)); + return addr; + } + + LogError("Cannot find address for host %s", hostname.c_str()); + + addr.s_addr = INADDR_NONE; + return addr; +#else + in_addr_t address = ::inet_addr(hostname.c_str()); + if (address != in_addr_t(-1)) { + addr.s_addr = address; + return addr; + } + + struct hostent* hp = ::gethostbyname(hostname.c_str()); + if (hp != NULL) { + ::memcpy(&addr, hp->h_addr_list[0], sizeof(struct in_addr)); + return addr; + } + + LogError("Cannot find address for host %s", hostname.c_str()); + + addr.s_addr = INADDR_NONE; + return addr; +#endif +} + +bool CUDPSocket::open() +{ + m_fd = ::socket(PF_INET, SOCK_DGRAM, 0); + if (m_fd < 0) { +#if defined(_WIN32) || defined(_WIN64) + LogError("Cannot create the UDP socket, err: %lu", ::GetLastError()); +#else + LogError("Cannot create the UDP socket, err: %d", errno); +#endif + return false; + } + + if (m_port > 0U) { + sockaddr_in addr; + ::memset(&addr, 0x00, sizeof(sockaddr_in)); + addr.sin_family = AF_INET; + addr.sin_port = htons(m_port); + addr.sin_addr.s_addr = htonl(INADDR_ANY); + + if (!m_address.empty()) { +#if defined(_WIN32) || defined(_WIN64) + addr.sin_addr.s_addr = ::inet_addr(m_address.c_str()); +#else + addr.sin_addr.s_addr = ::inet_addr(m_address.c_str()); +#endif + if (addr.sin_addr.s_addr == INADDR_NONE) { + LogError("The local address is invalid - %s", m_address.c_str()); + return false; + } + } + + int reuse = 1; + if (::setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (char *)&reuse, sizeof(reuse)) == -1) { +#if defined(_WIN32) || defined(_WIN64) + LogError("Cannot set the UDP socket option, err: %lu", ::GetLastError()); +#else + LogError("Cannot set the UDP socket option, err: %d", errno); +#endif + return false; + } + + if (::bind(m_fd, (sockaddr*)&addr, sizeof(sockaddr_in)) == -1) { +#if defined(_WIN32) || defined(_WIN64) + LogError("Cannot bind the UDP address, err: %lu", ::GetLastError()); +#else + LogError("Cannot bind the UDP address, err: %d", errno); +#endif + return false; + } + } + + return true; +} + +int CUDPSocket::read(unsigned char* buffer, unsigned int length, in_addr& address, unsigned int& port) +{ + assert(buffer != NULL); + assert(length > 0U); + + // Check that the readfrom() won't block + fd_set readFds; + FD_ZERO(&readFds); +#if defined(_WIN32) || defined(_WIN64) + FD_SET((unsigned int)m_fd, &readFds); +#else + FD_SET(m_fd, &readFds); +#endif + + // Return immediately + timeval tv; + tv.tv_sec = 0L; + tv.tv_usec = 0L; + + int ret = ::select(m_fd + 1, &readFds, NULL, NULL, &tv); + if (ret < 0) { +#if defined(_WIN32) || defined(_WIN64) + LogError("Error returned from UDP select, err: %lu", ::GetLastError()); +#else + LogError("Error returned from UDP select, err: %d", errno); +#endif + return -1; + } + + if (ret == 0) + return 0; + + sockaddr_in addr; +#if defined(_WIN32) || defined(_WIN64) + int size = sizeof(sockaddr_in); +#else + socklen_t size = sizeof(sockaddr_in); +#endif + +#if defined(_WIN32) || defined(_WIN64) + int len = ::recvfrom(m_fd, (char*)buffer, length, 0, (sockaddr *)&addr, &size); +#else + ssize_t len = ::recvfrom(m_fd, (char*)buffer, length, 0, (sockaddr *)&addr, &size); +#endif + if (len <= 0) { +#if defined(_WIN32) || defined(_WIN64) + LogError("Error returned from recvfrom, err: %lu", ::GetLastError()); +#else + LogError("Error returned from recvfrom, err: %d", errno); +#endif + return -1; + } + + address = addr.sin_addr; + port = ntohs(addr.sin_port); + + return len; +} + +bool CUDPSocket::write(const unsigned char* buffer, unsigned int length, const in_addr& address, unsigned int port) +{ + assert(buffer != NULL); + assert(length > 0U); + + sockaddr_in addr; + ::memset(&addr, 0x00, sizeof(sockaddr_in)); + + addr.sin_family = AF_INET; + addr.sin_addr = address; + addr.sin_port = htons(port); + +#if defined(_WIN32) || defined(_WIN64) + int ret = ::sendto(m_fd, (char *)buffer, length, 0, (sockaddr *)&addr, sizeof(sockaddr_in)); +#else + ssize_t ret = ::sendto(m_fd, (char *)buffer, length, 0, (sockaddr *)&addr, sizeof(sockaddr_in)); +#endif + if (ret < 0) { +#if defined(_WIN32) || defined(_WIN64) + LogError("Error returned from sendto, err: %lu", ::GetLastError()); +#else + LogError("Error returned from sendto, err: %d", errno); +#endif + return false; + } + +#if defined(_WIN32) || defined(_WIN64) + if (ret != int(length)) + return false; +#else + if (ret != ssize_t(length)) + return false; +#endif + + return true; +} + +void CUDPSocket::close() +{ +#if defined(_WIN32) || defined(_WIN64) + ::closesocket(m_fd); +#else + ::close(m_fd); +#endif +} diff --git a/DSTAR2YSF/UDPSocket.h b/DSTAR2YSF/UDPSocket.h new file mode 100644 index 0000000..e0af272 --- /dev/null +++ b/DSTAR2YSF/UDPSocket.h @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2009-2011,2013,2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef UDPSocket_H +#define UDPSocket_H + +#include + +#if !defined(_WIN32) && !defined(_WIN64) +#include +#include +#include +#include +#include +#include +#include +#include +#else +#include +#endif + +class CUDPSocket { +public: + CUDPSocket(const std::string& address, unsigned int port = 0U); + CUDPSocket(unsigned int port = 0U); + ~CUDPSocket(); + + bool open(); + + int read(unsigned char* buffer, unsigned int length, in_addr& address, unsigned int& port); + bool write(const unsigned char* buffer, unsigned int length, const in_addr& address, unsigned int port); + + void close(); + + static in_addr lookup(const std::string& hostName); + +private: + std::string m_address; + unsigned short m_port; + int m_fd; +}; + +#endif diff --git a/DSTAR2YSF/Utils.cpp b/DSTAR2YSF/Utils.cpp new file mode 100644 index 0000000..49ded13 --- /dev/null +++ b/DSTAR2YSF/Utils.cpp @@ -0,0 +1,146 @@ +/* + * Copyright (C) 2009,2014,2015,2016 Jonathan Naylor, G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "Utils.h" +#include "Log.h" + +#include +#include + +void CUtils::dump(const std::string& title, const unsigned char* data, unsigned int length) +{ + assert(data != NULL); + + dump(2U, title, data, length); +} + +void CUtils::dump(int level, const std::string& title, const unsigned char* data, unsigned int length) +{ + assert(data != NULL); + + ::Log(level, "%s", title.c_str()); + + unsigned int offset = 0U; + + while (length > 0U) { + std::string output; + + unsigned int bytes = (length > 16U) ? 16U : length; + + for (unsigned i = 0U; i < bytes; i++) { + char temp[10U]; + ::sprintf(temp, "%02X ", data[offset + i]); + output += temp; + } + + for (unsigned int i = bytes; i < 16U; i++) + output += " "; + + output += " *"; + + for (unsigned i = 0U; i < bytes; i++) { + unsigned char c = data[offset + i]; + + if (::isprint(c)) + output += c; + else + output += '.'; + } + + output += '*'; + + ::Log(level, "%04X: %s", offset, output.c_str()); + + offset += 16U; + + if (length >= 16U) + length -= 16U; + else + length = 0U; + } +} + +void CUtils::dump(const std::string& title, const bool* bits, unsigned int length) +{ + assert(bits != NULL); + + dump(2U, title, bits, length); +} + +void CUtils::dump(int level, const std::string& title, const bool* bits, unsigned int length) +{ + assert(bits != NULL); + + unsigned char bytes[100U]; + unsigned int nBytes = 0U; + for (unsigned int n = 0U; n < length; n += 8U, nBytes++) + bitsToByteBE(bits + n, bytes[nBytes]); + + dump(level, title, bytes, nBytes); +} + +void CUtils::byteToBitsBE(unsigned char byte, bool* bits) +{ + assert(bits != NULL); + + bits[0U] = (byte & 0x80U) == 0x80U; + bits[1U] = (byte & 0x40U) == 0x40U; + bits[2U] = (byte & 0x20U) == 0x20U; + bits[3U] = (byte & 0x10U) == 0x10U; + bits[4U] = (byte & 0x08U) == 0x08U; + bits[5U] = (byte & 0x04U) == 0x04U; + bits[6U] = (byte & 0x02U) == 0x02U; + bits[7U] = (byte & 0x01U) == 0x01U; +} + +void CUtils::byteToBitsLE(unsigned char byte, bool* bits) +{ + assert(bits != NULL); + + bits[0U] = (byte & 0x01U) == 0x01U; + bits[1U] = (byte & 0x02U) == 0x02U; + bits[2U] = (byte & 0x04U) == 0x04U; + bits[3U] = (byte & 0x08U) == 0x08U; + bits[4U] = (byte & 0x10U) == 0x10U; + bits[5U] = (byte & 0x20U) == 0x20U; + bits[6U] = (byte & 0x40U) == 0x40U; + bits[7U] = (byte & 0x80U) == 0x80U; +} + +void CUtils::bitsToByteBE(const bool* bits, unsigned char& byte) +{ + assert(bits != NULL); + + byte = bits[0U] ? 0x80U : 0x00U; + byte |= bits[1U] ? 0x40U : 0x00U; + byte |= bits[2U] ? 0x20U : 0x00U; + byte |= bits[3U] ? 0x10U : 0x00U; + byte |= bits[4U] ? 0x08U : 0x00U; + byte |= bits[5U] ? 0x04U : 0x00U; + byte |= bits[6U] ? 0x02U : 0x00U; + byte |= bits[7U] ? 0x01U : 0x00U; +} + +void CUtils::bitsToByteLE(const bool* bits, unsigned char& byte) +{ + assert(bits != NULL); + + byte = bits[0U] ? 0x01U : 0x00U; + byte |= bits[1U] ? 0x02U : 0x00U; + byte |= bits[2U] ? 0x04U : 0x00U; + byte |= bits[3U] ? 0x08U : 0x00U; + byte |= bits[4U] ? 0x10U : 0x00U; + byte |= bits[5U] ? 0x20U : 0x00U; + byte |= bits[6U] ? 0x40U : 0x00U; + byte |= bits[7U] ? 0x80U : 0x00U; +} diff --git a/DSTAR2YSF/Utils.h b/DSTAR2YSF/Utils.h new file mode 100644 index 0000000..ade28c0 --- /dev/null +++ b/DSTAR2YSF/Utils.h @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2009,2014,2015 by Jonathan Naylor, G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef Utils_H +#define Utils_H + +#include + +class CUtils { +public: + static void dump(const std::string& title, const unsigned char* data, unsigned int length); + static void dump(int level, const std::string& title, const unsigned char* data, unsigned int length); + + static void dump(const std::string& title, const bool* bits, unsigned int length); + static void dump(int level, const std::string& title, const bool* bits, unsigned int length); + + static void byteToBitsBE(unsigned char byte, bool* bits); + static void byteToBitsLE(unsigned char byte, bool* bits); + + static void bitsToByteBE(const bool* bits, unsigned char& byte); + static void bitsToByteLE(const bool* bits, unsigned char& byte); + +private: +}; + +#endif diff --git a/DSTAR2YSF/Version.h b/DSTAR2YSF/Version.h new file mode 100644 index 0000000..36efd6b --- /dev/null +++ b/DSTAR2YSF/Version.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX + * Copyright (C) 2018 by Andy Uribe CA6JAU + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(VERSION_H) +#define VERSION_H + +const char* VERSION = "20200605"; + +#endif diff --git a/DSTAR2YSF/YSFConvolution.cpp b/DSTAR2YSF/YSFConvolution.cpp new file mode 100644 index 0000000..23b117e --- /dev/null +++ b/DSTAR2YSF/YSFConvolution.cpp @@ -0,0 +1,141 @@ +/* + * Copyright (C) 2009-2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "YSFConvolution.h" + +#include +#include +#include + +const unsigned char BIT_MASK_TABLE[] = {0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U}; + +#define WRITE_BIT1(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE[(i)&7]) +#define READ_BIT1(p,i) (p[(i)>>3] & BIT_MASK_TABLE[(i)&7]) + +const uint8_t BRANCH_TABLE1[] = {0U, 0U, 0U, 0U, 1U, 1U, 1U, 1U}; +const uint8_t BRANCH_TABLE2[] = {0U, 1U, 1U, 0U, 0U, 1U, 1U, 0U}; + +const unsigned int NUM_OF_STATES_D2 = 8U; +const unsigned int NUM_OF_STATES = 16U; +const uint32_t M = 2U; +const unsigned int K = 5U; + +CYSFConvolution::CYSFConvolution() : +m_metrics1(NULL), +m_metrics2(NULL), +m_oldMetrics(NULL), +m_newMetrics(NULL), +m_decisions(NULL), +m_dp(NULL) +{ + m_metrics1 = new uint16_t[16U]; + m_metrics2 = new uint16_t[16U]; + m_decisions = new uint64_t[180U]; +} + +CYSFConvolution::~CYSFConvolution() +{ + delete[] m_metrics1; + delete[] m_metrics2; + delete[] m_decisions; +} + +void CYSFConvolution::start() +{ + ::memset(m_metrics1, 0x00U, NUM_OF_STATES * sizeof(uint16_t)); + ::memset(m_metrics2, 0x00U, NUM_OF_STATES * sizeof(uint16_t)); + + m_oldMetrics = m_metrics1; + m_newMetrics = m_metrics2; + m_dp = m_decisions; +} + +void CYSFConvolution::decode(uint8_t s0, uint8_t s1) +{ + *m_dp = 0U; + + for (uint8_t i = 0U; i < NUM_OF_STATES_D2; i++) { + uint8_t j = i * 2U; + + uint16_t metric = (BRANCH_TABLE1[i] ^ s0) + (BRANCH_TABLE2[i] ^ s1); + + uint16_t m0 = m_oldMetrics[i] + metric; + uint16_t m1 = m_oldMetrics[i + NUM_OF_STATES_D2] + (M - metric); + uint8_t decision0 = (m0 >= m1) ? 1U : 0U; + m_newMetrics[j + 0U] = decision0 != 0U ? m1 : m0; + + m0 = m_oldMetrics[i] + (M - metric); + m1 = m_oldMetrics[i + NUM_OF_STATES_D2] + metric; + uint8_t decision1 = (m0 >= m1) ? 1U : 0U; + m_newMetrics[j + 1U] = decision1 != 0U ? m1 : m0; + + *m_dp |= (uint64_t(decision1) << (j + 1U)) | (uint64_t(decision0) << (j + 0U)); + } + + ++m_dp; + + assert((m_dp - m_decisions) <= 180); + + uint16_t* tmp = m_oldMetrics; + m_oldMetrics = m_newMetrics; + m_newMetrics = tmp; +} + +void CYSFConvolution::chainback(unsigned char* out, unsigned int nBits) +{ + assert(out != NULL); + + uint32_t state = 0U; + + while (nBits-- > 0) { + --m_dp; + + uint32_t i = state >> (9 - K); + uint8_t bit = uint8_t(*m_dp >> i) & 1; + state = (bit << 7) | (state >> 1); + + WRITE_BIT1(out, nBits, bit != 0U); + } +} + +void CYSFConvolution::encode(const unsigned char* in, unsigned char* out, unsigned int nBits) const +{ + assert(in != NULL); + assert(out != NULL); + assert(nBits > 0U); + + uint8_t d1 = 0U, d2 = 0U, d3 = 0U, d4 = 0U; + uint32_t k = 0U; + for (unsigned int i = 0U; i < nBits; i++) { + uint8_t d = READ_BIT1(in, i) ? 1U : 0U; + + uint8_t g1 = (d + d3 + d4) & 1; + uint8_t g2 = (d + d1 + d2 + d4) & 1; + + d4 = d3; + d3 = d2; + d2 = d1; + d1 = d; + + WRITE_BIT1(out, k, g1 != 0U); + k++; + + WRITE_BIT1(out, k, g2 != 0U); + k++; + } +} diff --git a/DSTAR2YSF/YSFConvolution.h b/DSTAR2YSF/YSFConvolution.h new file mode 100644 index 0000000..3fc4956 --- /dev/null +++ b/DSTAR2YSF/YSFConvolution.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(YSFConvolution_H) +#define YSFConvolution_H + +#include "YSFConvolution.h" + +#include + +class CYSFConvolution { +public: + CYSFConvolution(); + ~CYSFConvolution(); + + void start(); + void decode(uint8_t s0, uint8_t s1); + void chainback(unsigned char* out, unsigned int nBits); + + void encode(const unsigned char* in, unsigned char* out, unsigned int nBits) const; + +private: + uint16_t* m_metrics1; + uint16_t* m_metrics2; + uint16_t* m_oldMetrics; + uint16_t* m_newMetrics; + uint64_t* m_decisions; + uint64_t* m_dp; +}; + +#endif + diff --git a/DSTAR2YSF/YSFDefines.h b/DSTAR2YSF/YSFDefines.h new file mode 100644 index 0000000..348d1bc --- /dev/null +++ b/DSTAR2YSF/YSFDefines.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(YSFDefines_H) +#define YSFDefines_H + +const unsigned int YSF_FRAME_LENGTH_BYTES = 120U; + +const unsigned char YSF_SYNC_BYTES[] = {0xD4U, 0x71U, 0xC9U, 0x63U, 0x4DU}; +const unsigned int YSF_SYNC_LENGTH_BYTES = 5U; + +const unsigned int YSF_FICH_LENGTH_BYTES = 25U; + +const unsigned char YSF_SYNC_OK = 0x01U; + +const unsigned int YSF_CALLSIGN_LENGTH = 10U; + +const unsigned char YSF_FI_HEADER = 0x00U; +const unsigned char YSF_FI_COMMUNICATIONS = 0x01U; +const unsigned char YSF_FI_TERMINATOR = 0x02U; +const unsigned char YSF_FI_TEST = 0x03U; + +const unsigned char YSF_DT_VD_MODE1 = 0x00U; +const unsigned char YSF_DT_DATA_FR_MODE = 0x01U; +const unsigned char YSF_DT_VD_MODE2 = 0x02U; +const unsigned char YSF_DT_VOICE_FR_MODE = 0x03U; + +const unsigned char YSF_CM_GROUP = 0x00U; +const unsigned char YSF_CM_INDIVIDUAL = 0x03U; + +const unsigned char YSF_MR_NOT_BUSY = 0x01U; +const unsigned char YSF_MR_BUSY = 0x02U; + +#endif diff --git a/DSTAR2YSF/YSFFICH.cpp b/DSTAR2YSF/YSFFICH.cpp new file mode 100644 index 0000000..07b07da --- /dev/null +++ b/DSTAR2YSF/YSFFICH.cpp @@ -0,0 +1,313 @@ +/* + * Copyright (C) 2009-2016 by Jonathan Naylor G4KLX + * Copyright (C) 2018 by Andy Uribe CA6JAU + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "YSFConvolution.h" +#include "YSFDefines.h" +#include "Golay24128.h" +#include "YSFFICH.h" +#include "CRC.h" +#include "Log.h" + +#include +#include +#include + +const unsigned char BIT_MASK_TABLE[] = {0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U}; + +#define WRITE_BIT1(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE[(i)&7]) +#define READ_BIT1(p,i) (p[(i)>>3] & BIT_MASK_TABLE[(i)&7]) + +const unsigned int INTERLEAVE_TABLE[] = { + 0U, 40U, 80U, 120U, 160U, + 2U, 42U, 82U, 122U, 162U, + 4U, 44U, 84U, 124U, 164U, + 6U, 46U, 86U, 126U, 166U, + 8U, 48U, 88U, 128U, 168U, + 10U, 50U, 90U, 130U, 170U, + 12U, 52U, 92U, 132U, 172U, + 14U, 54U, 94U, 134U, 174U, + 16U, 56U, 96U, 136U, 176U, + 18U, 58U, 98U, 138U, 178U, + 20U, 60U, 100U, 140U, 180U, + 22U, 62U, 102U, 142U, 182U, + 24U, 64U, 104U, 144U, 184U, + 26U, 66U, 106U, 146U, 186U, + 28U, 68U, 108U, 148U, 188U, + 30U, 70U, 110U, 150U, 190U, + 32U, 72U, 112U, 152U, 192U, + 34U, 74U, 114U, 154U, 194U, + 36U, 76U, 116U, 156U, 196U, + 38U, 78U, 118U, 158U, 198U}; + +CYSFFICH::CYSFFICH() : +m_fich(NULL) +{ + m_fich = new unsigned char[6U]; +} + +CYSFFICH::~CYSFFICH() +{ + delete[] m_fich; +} + +bool CYSFFICH::decode(const unsigned char* bytes) +{ + assert(bytes != NULL); + + // Skip the sync bytes + bytes += YSF_SYNC_LENGTH_BYTES; + + CYSFConvolution viterbi; + viterbi.start(); + + // Deinterleave the FICH and send bits to the Viterbi decoder + for (unsigned int i = 0U; i < 100U; i++) { + unsigned int n = INTERLEAVE_TABLE[i]; + uint8_t s0 = READ_BIT1(bytes, n) ? 1U : 0U; + + n++; + uint8_t s1 = READ_BIT1(bytes, n) ? 1U : 0U; + + viterbi.decode(s0, s1); + } + + unsigned char output[13U]; + viterbi.chainback(output, 96U); + + unsigned int b0 = CGolay24128::decode24128(output + 0U); + unsigned int b1 = CGolay24128::decode24128(output + 3U); + unsigned int b2 = CGolay24128::decode24128(output + 6U); + unsigned int b3 = CGolay24128::decode24128(output + 9U); + + m_fich[0U] = (b0 >> 4) & 0xFFU; + m_fich[1U] = ((b0 << 4) & 0xF0U) | ((b1 >> 8) & 0x0FU); + m_fich[2U] = (b1 >> 0) & 0xFFU; + m_fich[3U] = (b2 >> 4) & 0xFFU; + m_fich[4U] = ((b2 << 4) & 0xF0U) | ((b3 >> 8) & 0x0FU); + m_fich[5U] = (b3 >> 0) & 0xFFU; + + return CCRC::checkCCITT162(m_fich, 6U); +} + +void CYSFFICH::encode(unsigned char* bytes) +{ + assert(bytes != NULL); + + // Skip the sync bytes + bytes += YSF_SYNC_LENGTH_BYTES; + + CCRC::addCCITT162(m_fich, 6U); + + unsigned int b0 = ((m_fich[0U] << 4) & 0xFF0U) | ((m_fich[1U] >> 4) & 0x00FU); + unsigned int b1 = ((m_fich[1U] << 8) & 0xF00U) | ((m_fich[2U] >> 0) & 0x0FFU); + unsigned int b2 = ((m_fich[3U] << 4) & 0xFF0U) | ((m_fich[4U] >> 4) & 0x00FU); + unsigned int b3 = ((m_fich[4U] << 8) & 0xF00U) | ((m_fich[5U] >> 0) & 0x0FFU); + + unsigned int c0 = CGolay24128::encode24128(b0); + unsigned int c1 = CGolay24128::encode24128(b1); + unsigned int c2 = CGolay24128::encode24128(b2); + unsigned int c3 = CGolay24128::encode24128(b3); + + unsigned char conv[13U]; + conv[0U] = (c0 >> 16) & 0xFFU; + conv[1U] = (c0 >> 8) & 0xFFU; + conv[2U] = (c0 >> 0) & 0xFFU; + conv[3U] = (c1 >> 16) & 0xFFU; + conv[4U] = (c1 >> 8) & 0xFFU; + conv[5U] = (c1 >> 0) & 0xFFU; + conv[6U] = (c2 >> 16) & 0xFFU; + conv[7U] = (c2 >> 8) & 0xFFU; + conv[8U] = (c2 >> 0) & 0xFFU; + conv[9U] = (c3 >> 16) & 0xFFU; + conv[10U] = (c3 >> 8) & 0xFFU; + conv[11U] = (c3 >> 0) & 0xFFU; + conv[12U] = 0x00U; + + CYSFConvolution convolution; + unsigned char convolved[25U]; + convolution.encode(conv, convolved, 100U); + + unsigned int j = 0U; + for (unsigned int i = 0U; i < 100U; i++) { + unsigned int n = INTERLEAVE_TABLE[i]; + + bool s0 = READ_BIT1(convolved, j) != 0U; + j++; + + bool s1 = READ_BIT1(convolved, j) != 0U; + j++; + + WRITE_BIT1(bytes, n, s0); + + n++; + WRITE_BIT1(bytes, n, s1); + } +} + +unsigned char CYSFFICH::getFI() const +{ + return (m_fich[0U] >> 6) & 0x03U; +} + +unsigned char CYSFFICH::getCS() const +{ + return (m_fich[0U] >> 4) & 0x03U; +} + +unsigned char CYSFFICH::getCM() const +{ + return (m_fich[0U] >> 2) & 0x03U; +} + +unsigned char CYSFFICH::getBN() const +{ + return m_fich[0U] & 0x03U; +} + +unsigned char CYSFFICH::getBT() const +{ + return (m_fich[1U] >> 6) & 0x03U; +} + +unsigned char CYSFFICH::getFN() const +{ + return (m_fich[1U] >> 3) & 0x07U; +} + +unsigned char CYSFFICH::getFT() const +{ + return m_fich[1U] & 0x07U; +} + +unsigned char CYSFFICH::getDT() const +{ + return m_fich[2U] & 0x03U; +} + +unsigned char CYSFFICH::getMR() const +{ + return (m_fich[2U] >> 3) & 0x03U; +} + +bool CYSFFICH::getDev() const +{ + return (m_fich[2U] & 0x40U) == 0x40U; +} + +bool CYSFFICH::getSQL() const +{ + return (m_fich[3U] & 0x80U) == 0x80U; +} + +unsigned char CYSFFICH::getSQ() const +{ + return m_fich[3U] & 0x7FU; +} + +void CYSFFICH::setFI(unsigned char fi) +{ + m_fich[0U] &= 0x3FU; + m_fich[0U] |= (fi << 6) & 0xC0U; +} + +void CYSFFICH::setCS(unsigned char cs) +{ + m_fich[0U] &= 0xCFU; + m_fich[0U] |= (cs << 4) & 0x30U; +} + +void CYSFFICH::setCM(unsigned char cm) +{ + m_fich[0U] &= 0xF3U; + m_fich[0U] |= (cm << 2) & 0x0CU; +} + +void CYSFFICH::setFN(unsigned char fn) +{ + m_fich[1U] &= 0xC7U; + m_fich[1U] |= (fn << 3) & 0x38U; +} + +void CYSFFICH::setFT(unsigned char ft) +{ + m_fich[1U] &= 0xF8U; + m_fich[1U] |= ft & 0x07U; +} + +void CYSFFICH::setMR(unsigned char mr) +{ + m_fich[2U] &= 0xC7U; + m_fich[2U] |= (mr << 3) & 0x38U; +} + +void CYSFFICH::setVoIP(bool on) +{ + if (on) + m_fich[2U] |= 0x04U; + else + m_fich[2U] &= 0xFBU; +} + +void CYSFFICH::setDev(bool on) +{ + if (on) + m_fich[2U] |= 0x40U; + else + m_fich[2U] &= 0xBFU; +} + +void CYSFFICH::setDT(unsigned char dt) +{ + m_fich[2U] &= 0xFCU; + m_fich[2U] |= dt & 0x03U; +} + +void CYSFFICH::setSQL(bool on) +{ + if (on) + m_fich[3U] |= 0x80U; + else + m_fich[3U] &= 0x7FU; +} + +void CYSFFICH::setSQ(unsigned char sq) +{ + m_fich[3U] &= 0x80U; + m_fich[3U] |= sq & 0x7FU; +} + +void CYSFFICH::setBN(unsigned char bn) +{ + m_fich[0U] &= 0xFCU; + m_fich[0U] |= bn & 0x03U; +} + +void CYSFFICH::setBT(unsigned char bt) +{ + m_fich[1U] &= 0x3FU; + m_fich[1U] |= (bt << 6) & 0xC0U; +} + +void CYSFFICH::load(const unsigned char* fich) +{ + assert(fich != NULL); + + ::memcpy(m_fich, fich, 4U); +} + diff --git a/DSTAR2YSF/YSFFICH.h b/DSTAR2YSF/YSFFICH.h new file mode 100644 index 0000000..d349886 --- /dev/null +++ b/DSTAR2YSF/YSFFICH.h @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2015,2016 by Jonathan Naylor G4KLX + * Copyright (C) 2018 by Andy Uribe CA6JAU + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(YSFFICH_H) +#define YSFFICH_H + +class CYSFFICH { +public: + CYSFFICH(); + ~CYSFFICH(); + + bool decode(const unsigned char* bytes); + + void encode(unsigned char* bytes); + + unsigned char getFI() const; + unsigned char getCS() const; + unsigned char getCM() const; + unsigned char getBN() const; + unsigned char getBT() const; + unsigned char getFN() const; + unsigned char getFT() const; + unsigned char getDT() const; + unsigned char getMR() const; + bool getDev() const; + bool getSQL() const; + unsigned char getSQ() const; + + void setFI(unsigned char fi); + void setCS(unsigned char cs); + void setCM(unsigned char cm); + void setFN(unsigned char fn); + void setFT(unsigned char ft); + void setBN(unsigned char bn); + void setBT(unsigned char bt); + void setDT(unsigned char dt); + void setMR(unsigned char mr); + void setVoIP(bool set); + void setDev(bool set); + void setSQL(bool set); + void setSQ(unsigned char sq); + + void load(const unsigned char* fich); + +private: + unsigned char* m_fich; +}; + +#endif diff --git a/DSTAR2YSF/YSFNetwork.cpp b/DSTAR2YSF/YSFNetwork.cpp new file mode 100644 index 0000000..050a1fa --- /dev/null +++ b/DSTAR2YSF/YSFNetwork.cpp @@ -0,0 +1,180 @@ +/* + * Copyright (C) 2009-2014,2016,2017 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "YSFNetwork.h" +#include "Utils.h" +#include "Log.h" + +#include +#include +#include + +const unsigned int BUFFER_LENGTH = 200U; + +CYSFNetwork::CYSFNetwork(const std::string& address, unsigned int port, const std::string& callsign, bool debug) : +m_socket(address, port), +m_debug(debug), +m_address(), +m_port(0U), +m_poll(NULL), +m_unlink(NULL), +m_buffer(1000U, "YSF Network Buffer") +{ + m_poll = new unsigned char[14U]; + ::memcpy(m_poll + 0U, "YSFP", 4U); + + m_unlink = new unsigned char[14U]; + ::memcpy(m_unlink + 0U, "YSFU", 4U); + + m_callsign = callsign; + m_callsign.resize(YSF_CALLSIGN_LENGTH, ' '); + + for (unsigned int i = 0U; i < YSF_CALLSIGN_LENGTH; i++) { + m_poll[i + 4U] = m_callsign.at(i); + m_unlink[i + 4U] = m_callsign.at(i); + } +} + +CYSFNetwork::CYSFNetwork(unsigned int port, const std::string& callsign, bool debug) : +m_socket(port), +m_debug(debug), +m_address(), +m_port(0U), +m_poll(NULL), +m_unlink(NULL), +m_buffer(1000U, "YSF Network Buffer") +{ + m_poll = new unsigned char[14U]; + ::memcpy(m_poll + 0U, "YSFP", 4U); + + m_unlink = new unsigned char[14U]; + ::memcpy(m_unlink + 0U, "YSFU", 4U); + + m_callsign = callsign; + m_callsign.resize(YSF_CALLSIGN_LENGTH, ' '); + + for (unsigned int i = 0U; i < YSF_CALLSIGN_LENGTH; i++) { + m_poll[i + 4U] = m_callsign.at(i); + m_unlink[i + 4U] = m_callsign.at(i); + } +} + +CYSFNetwork::~CYSFNetwork() +{ + delete[] m_poll; +} + +std::string CYSFNetwork::getCallsign() +{ + return m_callsign; +} + +bool CYSFNetwork::open() +{ + LogMessage("Opening YSF network connection"); + + return m_socket.open(); +} + +void CYSFNetwork::setDestination(const in_addr& address, unsigned int port) +{ + m_address = address; + m_port = port; +} + +void CYSFNetwork::clearDestination() +{ + m_address.s_addr = INADDR_NONE; + m_port = 0U; +} + +bool CYSFNetwork::write(const unsigned char* data) +{ + assert(data != NULL); + + if (m_port == 0U) + return true; + + if (m_debug) + CUtils::dump(1U, "YSF Network Data Sent", data, 155U); + + return m_socket.write(data, 155U, m_address, m_port); +} + +bool CYSFNetwork::writePoll() +{ + if (m_port == 0U) + return true; + + return m_socket.write(m_poll, 14U, m_address, m_port); +} + +bool CYSFNetwork::writeUnlink() +{ + if (m_port == 0U) + return true; + + return m_socket.write(m_unlink, 14U, m_address, m_port); +} + +void CYSFNetwork::clock(unsigned int ms) +{ + if (m_port == 0U) + return; + + unsigned char buffer[BUFFER_LENGTH]; + + in_addr address; + unsigned int port; + int length = m_socket.read(buffer, BUFFER_LENGTH, address, port); + if (length <= 0) + return; + + if (address.s_addr != m_address.s_addr || port != m_port) + return; + + if (m_debug) + CUtils::dump(1U, "YSF Network Data Received", buffer, length); + + unsigned char len = length; + m_buffer.addData(&len, 1U); + + m_buffer.addData(buffer, length); +} + +unsigned int CYSFNetwork::read(unsigned char* data) +{ + assert(data != NULL); + + if (m_buffer.isEmpty()) + return 0U; + + unsigned char len = 0U; + m_buffer.getData(&len, 1U); + + m_buffer.getData(data, len); + + return len; +} + +void CYSFNetwork::close() +{ + m_socket.close(); + + LogMessage("Closing YSF network connection"); +} diff --git a/DSTAR2YSF/YSFNetwork.h b/DSTAR2YSF/YSFNetwork.h new file mode 100644 index 0000000..39810c4 --- /dev/null +++ b/DSTAR2YSF/YSFNetwork.h @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2009-2014,2016,2017 by Jonathan Naylor G4KLX + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if !defined(YSFNETWORK_H) +#define YSFNETWORK_H + +#include "YSFDefines.h" +#include "UDPSocket.h" +#include "RingBuffer.h" + +#include +#include + +class CYSFNetwork { +public: + CYSFNetwork(const std::string& address, unsigned int port, const std::string& callsign, bool debug); + CYSFNetwork(unsigned int port, const std::string& callsign, bool debug); + ~CYSFNetwork(); + + bool open(); + + std::string getCallsign(); + + void setDestination(const in_addr& address, unsigned int port); + void clearDestination(); + + bool write(const unsigned char* data); + + bool writePoll(); + bool writeUnlink(); + + unsigned int read(unsigned char* data); + + void clock(unsigned int ms); + + void close(); + +private: + std::string m_callsign; + CUDPSocket m_socket; + bool m_debug; + in_addr m_address; + unsigned int m_port; + unsigned char* m_poll; + unsigned char* m_unlink; + CRingBuffer m_buffer; +}; + +#endif diff --git a/DSTAR2YSF/YSFPayload.cpp b/DSTAR2YSF/YSFPayload.cpp new file mode 100644 index 0000000..2f07b63 --- /dev/null +++ b/DSTAR2YSF/YSFPayload.cpp @@ -0,0 +1,626 @@ +/* +* Copyright (C) 2016,2017 Jonathan Naylor, G4KLX +* Copyright (C) 2016 Mathias Weyland, HB9FRV +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; version 2 of the License. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +*/ + +#include "YSFConvolution.h" +#include "YSFPayload.h" +#include "YSFDefines.h" +#include "Utils.h" +#include "CRC.h" +#include "Log.h" + +#include +#include +#include +#include + +const unsigned int INTERLEAVE_TABLE_9_20[] = { + 0U, 40U, 80U, 120U, 160U, 200U, 240U, 280U, 320U, + 2U, 42U, 82U, 122U, 162U, 202U, 242U, 282U, 322U, + 4U, 44U, 84U, 124U, 164U, 204U, 244U, 284U, 324U, + 6U, 46U, 86U, 126U, 166U, 206U, 246U, 286U, 326U, + 8U, 48U, 88U, 128U, 168U, 208U, 248U, 288U, 328U, + 10U, 50U, 90U, 130U, 170U, 210U, 250U, 290U, 330U, + 12U, 52U, 92U, 132U, 172U, 212U, 252U, 292U, 332U, + 14U, 54U, 94U, 134U, 174U, 214U, 254U, 294U, 334U, + 16U, 56U, 96U, 136U, 176U, 216U, 256U, 296U, 336U, + 18U, 58U, 98U, 138U, 178U, 218U, 258U, 298U, 338U, + 20U, 60U, 100U, 140U, 180U, 220U, 260U, 300U, 340U, + 22U, 62U, 102U, 142U, 182U, 222U, 262U, 302U, 342U, + 24U, 64U, 104U, 144U, 184U, 224U, 264U, 304U, 344U, + 26U, 66U, 106U, 146U, 186U, 226U, 266U, 306U, 346U, + 28U, 68U, 108U, 148U, 188U, 228U, 268U, 308U, 348U, + 30U, 70U, 110U, 150U, 190U, 230U, 270U, 310U, 350U, + 32U, 72U, 112U, 152U, 192U, 232U, 272U, 312U, 352U, + 34U, 74U, 114U, 154U, 194U, 234U, 274U, 314U, 354U, + 36U, 76U, 116U, 156U, 196U, 236U, 276U, 316U, 356U, + 38U, 78U, 118U, 158U, 198U, 238U, 278U, 318U, 358U}; + +const unsigned int INTERLEAVE_TABLE_5_20[] = { + 0U, 40U, 80U, 120U, 160U, + 2U, 42U, 82U, 122U, 162U, + 4U, 44U, 84U, 124U, 164U, + 6U, 46U, 86U, 126U, 166U, + 8U, 48U, 88U, 128U, 168U, + 10U, 50U, 90U, 130U, 170U, + 12U, 52U, 92U, 132U, 172U, + 14U, 54U, 94U, 134U, 174U, + 16U, 56U, 96U, 136U, 176U, + 18U, 58U, 98U, 138U, 178U, + 20U, 60U, 100U, 140U, 180U, + 22U, 62U, 102U, 142U, 182U, + 24U, 64U, 104U, 144U, 184U, + 26U, 66U, 106U, 146U, 186U, + 28U, 68U, 108U, 148U, 188U, + 30U, 70U, 110U, 150U, 190U, + 32U, 72U, 112U, 152U, 192U, + 34U, 74U, 114U, 154U, 194U, + 36U, 76U, 116U, 156U, 196U, + 38U, 78U, 118U, 158U, 198U}; + +// This one differs from the others in that it interleaves bits and not dibits +const unsigned char WHITENING_DATA[] = {0x93U, 0xD7U, 0x51U, 0x21U, 0x9CU, 0x2FU, 0x6CU, 0xD0U, 0xEFU, 0x0FU, + 0xF8U, 0x3DU, 0xF1U, 0x73U, 0x20U, 0x94U, 0xEDU, 0x1EU, 0x7CU, 0xD8U}; + +const unsigned char BIT_MASK_TABLE[] = {0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U}; + +#define WRITE_BIT1(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE[(i)&7]) +#define READ_BIT1(p,i) (p[(i)>>3] & BIT_MASK_TABLE[(i)&7]) + +CYSFPayload::CYSFPayload() : +m_uplink(NULL), +m_downlink(NULL), +m_source(NULL), +m_dest(NULL) +{ +} + +CYSFPayload::~CYSFPayload() +{ + delete[] m_uplink; + delete[] m_downlink; + delete[] m_source; + delete[] m_dest; +} + +bool CYSFPayload::processHeaderData(unsigned char* data) +{ + assert(data != NULL); + + data += YSF_SYNC_LENGTH_BYTES + YSF_FICH_LENGTH_BYTES; + + unsigned char dch[45U]; + + unsigned char* p1 = data; + unsigned char* p2 = dch; + for (unsigned int i = 0U; i < 5U; i++) { + ::memcpy(p2, p1, 9U); + p1 += 18U; p2 += 9U; + } + + CYSFConvolution conv; + conv.start(); + + for (unsigned int i = 0U; i < 180U; i++) { + unsigned int n = INTERLEAVE_TABLE_9_20[i]; + uint8_t s0 = READ_BIT1(dch, n) ? 1U : 0U; + + n++; + uint8_t s1 = READ_BIT1(dch, n) ? 1U : 0U; + + conv.decode(s0, s1); + } + + unsigned char output[23U]; + conv.chainback(output, 176U); + + bool valid1 = CCRC::checkCCITT162(output, 22U); + if (valid1) { + for (unsigned int i = 0U; i < 20U; i++) + output[i] ^= WHITENING_DATA[i]; + + if (m_dest == NULL) { + m_dest = new unsigned char[YSF_CALLSIGN_LENGTH]; + ::memcpy(m_dest, output + 0U, YSF_CALLSIGN_LENGTH); + } + + if (m_source == NULL) { + m_source = new unsigned char[YSF_CALLSIGN_LENGTH]; + ::memcpy(m_source, output + YSF_CALLSIGN_LENGTH, YSF_CALLSIGN_LENGTH); + } + + for (unsigned int i = 0U; i < 20U; i++) + output[i] ^= WHITENING_DATA[i]; + + CCRC::addCCITT162(output, 22U); + output[22U] = 0x00U; + + unsigned char convolved[45U]; + conv.encode(output, convolved, 180U); + + unsigned char bytes[45U]; + unsigned int j = 0U; + for (unsigned int i = 0U; i < 180U; i++) { + unsigned int n = INTERLEAVE_TABLE_9_20[i]; + + bool s0 = READ_BIT1(convolved, j) != 0U; + j++; + + bool s1 = READ_BIT1(convolved, j) != 0U; + j++; + + WRITE_BIT1(bytes, n, s0); + + n++; + WRITE_BIT1(bytes, n, s1); + } + + p1 = data; + p2 = bytes; + for (unsigned int i = 0U; i < 5U; i++) { + ::memcpy(p1, p2, 9U); + p1 += 18U; p2 += 9U; + } + } + + p1 = data + 9U; + p2 = dch; + for (unsigned int i = 0U; i < 5U; i++) { + ::memcpy(p2, p1, 9U); + p1 += 18U; p2 += 9U; + } + + conv.start(); + + for (unsigned int i = 0U; i < 180U; i++) { + unsigned int n = INTERLEAVE_TABLE_9_20[i]; + uint8_t s0 = READ_BIT1(dch, n) ? 1U : 0U; + + n++; + uint8_t s1 = READ_BIT1(dch, n) ? 1U : 0U; + + conv.decode(s0, s1); + } + + conv.chainback(output, 176U); + + bool valid2 = CCRC::checkCCITT162(output, 22U); + if (valid2) { + for (unsigned int i = 0U; i < 20U; i++) + output[i] ^= WHITENING_DATA[i]; + + if (m_downlink != NULL) + ::memcpy(output + 0U, m_downlink, YSF_CALLSIGN_LENGTH); + + if (m_uplink != NULL) + ::memcpy(output + YSF_CALLSIGN_LENGTH, m_uplink, YSF_CALLSIGN_LENGTH); + + for (unsigned int i = 0U; i < 20U; i++) + output[i] ^= WHITENING_DATA[i]; + + CCRC::addCCITT162(output, 22U); + output[22U] = 0x00U; + + unsigned char convolved[45U]; + conv.encode(output, convolved, 180U); + + unsigned char bytes[45U]; + unsigned int j = 0U; + for (unsigned int i = 0U; i < 180U; i++) { + unsigned int n = INTERLEAVE_TABLE_9_20[i]; + + bool s0 = READ_BIT1(convolved, j) != 0U; + j++; + + bool s1 = READ_BIT1(convolved, j) != 0U; + j++; + + WRITE_BIT1(bytes, n, s0); + + n++; + WRITE_BIT1(bytes, n, s1); + } + + p1 = data + 9U; + p2 = bytes; + for (unsigned int i = 0U; i < 5U; i++) { + ::memcpy(p1, p2, 9U); + p1 += 18U; p2 += 9U; + } + } + + return valid1; +} + +bool CYSFPayload::readDataFRModeData1(const unsigned char* data, unsigned char* dt) +{ + assert(data != NULL); + assert(dt != NULL); + + ::memset(dt, ' ', 20U); + + data += YSF_SYNC_LENGTH_BYTES + YSF_FICH_LENGTH_BYTES; + + unsigned char dch[45U]; + + const unsigned char* p1 = data; + unsigned char* p2 = dch; + for (unsigned int i = 0U; i < 5U; i++) { + ::memcpy(p2, p1, 9U); + p1 += 18U; p2 += 9U; + } + + CYSFConvolution conv; + conv.start(); + + for (unsigned int i = 0U; i < 180U; i++) { + unsigned int n = INTERLEAVE_TABLE_9_20[i]; + uint8_t s0 = READ_BIT1(dch, n) ? 1U : 0U; + + n++; + uint8_t s1 = READ_BIT1(dch, n) ? 1U : 0U; + + conv.decode(s0, s1); + } + + unsigned char output[23U]; + conv.chainback(output, 176U); + + bool ret = CCRC::checkCCITT162(output, 22U); + if (ret) { + for (unsigned int i = 0U; i < 20U; i++) + output[i] ^= WHITENING_DATA[i]; + + // CUtils::dump(1U, "FR Mode Data 1", output, 20U); + + ::memcpy(dt, output, 20U); + } + + return ret; +} + +bool CYSFPayload::readDataFRModeData2(const unsigned char* data, unsigned char* dt) +{ + assert(data != NULL); + assert(dt != NULL); + + ::memset(dt, ' ', 20U); + + data += YSF_SYNC_LENGTH_BYTES + YSF_FICH_LENGTH_BYTES; + + unsigned char dch[45U]; + + const unsigned char* p1 = data + 9U; + unsigned char* p2 = dch; + for (unsigned int i = 0U; i < 5U; i++) { + ::memcpy(p2, p1, 9U); + p1 += 18U; p2 += 9U; + } + + CYSFConvolution conv; + conv.start(); + + for (unsigned int i = 0U; i < 180U; i++) { + unsigned int n = INTERLEAVE_TABLE_9_20[i]; + uint8_t s0 = READ_BIT1(dch, n) ? 1U : 0U; + + n++; + uint8_t s1 = READ_BIT1(dch, n) ? 1U : 0U; + + conv.decode(s0, s1); + } + + unsigned char output[23U]; + conv.chainback(output, 176U); + + bool ret = CCRC::checkCCITT162(output, 22U); + if (ret) { + for (unsigned int i = 0U; i < 20U; i++) + output[i] ^= WHITENING_DATA[i]; + + // CUtils::dump(1U, "FR Mode Data 2", output, 20U); + + ::memcpy(dt, output, 20U); + } + + return ret; +} + +void CYSFPayload::writeVDMode2Data(unsigned char* data, const unsigned char* dt) +{ + data += YSF_SYNC_LENGTH_BYTES + YSF_FICH_LENGTH_BYTES; + + unsigned char dt_tmp[13]; + ::memcpy(dt_tmp, dt, YSF_CALLSIGN_LENGTH); + + for (unsigned int i = 0U; i < 10U; i++) + dt_tmp[i] ^= WHITENING_DATA[i]; + + CCRC::addCCITT162(dt_tmp, 12U); + dt_tmp[12U] = 0x00U; + + unsigned char convolved[25U]; + CYSFConvolution conv; + conv.start(); + conv.encode(dt_tmp, convolved, 100U); + + unsigned char bytes[25U]; + unsigned int j = 0U; + for (unsigned int i = 0U; i < 100U; i++) { + unsigned int n = INTERLEAVE_TABLE_5_20[i]; + + bool s0 = READ_BIT1(convolved, j) != 0U; + j++; + + bool s1 = READ_BIT1(convolved, j) != 0U; + j++; + + WRITE_BIT1(bytes, n, s0); + + n++; + WRITE_BIT1(bytes, n, s1); + } + + unsigned char* p1 = data; + unsigned char* p2 = bytes; + for (unsigned int i = 0U; i < 5U; i++) { + ::memcpy(p1, p2, 5U); + p1 += 18U; p2 += 5U; + } +} + + +bool CYSFPayload::readVDMode1Data(const unsigned char* data, unsigned char* dt) +{ + assert(data != NULL); + assert(dt != NULL); + + data += YSF_SYNC_LENGTH_BYTES + YSF_FICH_LENGTH_BYTES; + + unsigned char dch[45U]; + + const unsigned char* p1 = data; + unsigned char* p2 = dch; + for (unsigned int i = 0U; i < 5U; i++) { + ::memcpy(p2, p1, 9U); + p1 += 18U; p2 += 9U; + } + + CYSFConvolution conv; + conv.start(); + + for (unsigned int i = 0U; i < 180U; i++) { + unsigned int n = INTERLEAVE_TABLE_9_20[i]; + uint8_t s0 = READ_BIT1(dch, n) ? 1U : 0U; + + n++; + uint8_t s1 = READ_BIT1(dch, n) ? 1U : 0U; + + conv.decode(s0, s1); + } + + unsigned char output[23U]; + conv.chainback(output, 176U); + + bool ret = CCRC::checkCCITT162(output, 22U); + if (ret) { + for (unsigned int i = 0U; i < 20U; i++) + output[i] ^= WHITENING_DATA[i]; + + // CUtils::dump(1U, "V/D Mode 1 Data", output, 20U); + + ::memcpy(dt, output, 20U); + } + + return ret; +} + + +bool CYSFPayload::readVDMode2Data(const unsigned char* data, unsigned char* dt) +{ + assert(data != NULL); + assert(dt != NULL); + + data += YSF_SYNC_LENGTH_BYTES + YSF_FICH_LENGTH_BYTES; + + unsigned char dch[25U]; + + const unsigned char* p1 = data; + unsigned char* p2 = dch; + for (unsigned int i = 0U; i < 5U; i++) { + ::memcpy(p2, p1, 5U); + p1 += 18U; p2 += 5U; + } + + CYSFConvolution conv; + conv.start(); + + for (unsigned int i = 0U; i < 100U; i++) { + unsigned int n = INTERLEAVE_TABLE_5_20[i]; + uint8_t s0 = READ_BIT1(dch, n) ? 1U : 0U; + + n++; + uint8_t s1 = READ_BIT1(dch, n) ? 1U : 0U; + + conv.decode(s0, s1); + } + + unsigned char output[13U]; + conv.chainback(output, 96U); + + bool ret = CCRC::checkCCITT162(output, 12U); + if (ret) { + for (unsigned int i = 0U; i < 10U; i++) + output[i] ^= WHITENING_DATA[i]; + + // CUtils::dump(1U, "V/D Mode 2 Data", output, YSF_CALLSIGN_LENGTH); + + ::memcpy(dt, output, YSF_CALLSIGN_LENGTH); + } + + return ret; +} + +void CYSFPayload::writeHeader(unsigned char* data, const unsigned char* csd1, const unsigned char* csd2) +{ + assert(data != NULL); + assert(csd1 != NULL); + assert(csd2 != NULL); + + writeDataFRModeData1(csd1, data); + + writeDataFRModeData2(csd2, data); +} + +void CYSFPayload::writeDataFRModeData1(const unsigned char* dt, unsigned char* data) +{ + assert(dt != NULL); + assert(data != NULL); + + data += YSF_SYNC_LENGTH_BYTES + YSF_FICH_LENGTH_BYTES; + + unsigned char output[25U]; + for (unsigned int i = 0U; i < 20U; i++) + output[i] = dt[i] ^ WHITENING_DATA[i]; + + CCRC::addCCITT162(output, 22U); + output[22U] = 0x00U; + + unsigned char convolved[45U]; + + CYSFConvolution conv; + conv.encode(output, convolved, 180U); + + unsigned char bytes[45U]; + unsigned int j = 0U; + for (unsigned int i = 0U; i < 180U; i++) { + unsigned int n = INTERLEAVE_TABLE_9_20[i]; + + bool s0 = READ_BIT1(convolved, j) != 0U; + j++; + + bool s1 = READ_BIT1(convolved, j) != 0U; + j++; + + WRITE_BIT1(bytes, n, s0); + + n++; + WRITE_BIT1(bytes, n, s1); + } + + unsigned char* p1 = data; + unsigned char* p2 = bytes; + for (unsigned int i = 0U; i < 5U; i++) { + ::memcpy(p1, p2, 9U); + p1 += 18U; p2 += 9U; + } +} + +void CYSFPayload::writeDataFRModeData2(const unsigned char* dt, unsigned char* data) +{ + assert(dt != NULL); + assert(data != NULL); + + data += YSF_SYNC_LENGTH_BYTES + YSF_FICH_LENGTH_BYTES; + + unsigned char output[25U]; + for (unsigned int i = 0U; i < 20U; i++) + output[i] = dt[i] ^ WHITENING_DATA[i]; + + CCRC::addCCITT162(output, 22U); + output[22U] = 0x00U; + + unsigned char convolved[45U]; + + CYSFConvolution conv; + conv.encode(output, convolved, 180U); + + unsigned char bytes[45U]; + unsigned int j = 0U; + for (unsigned int i = 0U; i < 180U; i++) { + unsigned int n = INTERLEAVE_TABLE_9_20[i]; + + bool s0 = READ_BIT1(convolved, j) != 0U; + j++; + + bool s1 = READ_BIT1(convolved, j) != 0U; + j++; + + WRITE_BIT1(bytes, n, s0); + + n++; + WRITE_BIT1(bytes, n, s1); + } + + unsigned char* p1 = data + 9U; + unsigned char* p2 = bytes; + for (unsigned int i = 0U; i < 5U; i++) { + ::memcpy(p1, p2, 9U); + p1 += 18U; p2 += 9U; + } +} + +void CYSFPayload::setUplink(const std::string& callsign) +{ + m_uplink = new unsigned char[YSF_CALLSIGN_LENGTH]; + + std::string uplink = callsign; + uplink.resize(YSF_CALLSIGN_LENGTH, ' '); + + for (unsigned int i = 0U; i < YSF_CALLSIGN_LENGTH; i++) + m_uplink[i] = uplink.at(i); +} + +void CYSFPayload::setDownlink(const std::string& callsign) +{ + m_downlink = new unsigned char[YSF_CALLSIGN_LENGTH]; + + std::string downlink = callsign; + downlink.resize(YSF_CALLSIGN_LENGTH, ' '); + + for (unsigned int i = 0U; i < YSF_CALLSIGN_LENGTH; i++) + m_downlink[i] = downlink.at(i); +} + +std::string CYSFPayload::getSource() +{ + std::string tmp; + + if (m_dest) + tmp.assign((const char *)m_source, YSF_CALLSIGN_LENGTH); + else + tmp = ""; + + return tmp; +} + +std::string CYSFPayload::getDest() +{ + std::string tmp; + + if (m_dest) + tmp.assign((const char *)m_dest, 5); + else + tmp = ""; + + return tmp; +} + +void CYSFPayload::reset() +{ + delete[] m_source; + delete[] m_dest; + + m_source = NULL; + m_dest = NULL; +} diff --git a/DSTAR2YSF/YSFPayload.h b/DSTAR2YSF/YSFPayload.h new file mode 100644 index 0000000..2acd54d --- /dev/null +++ b/DSTAR2YSF/YSFPayload.h @@ -0,0 +1,57 @@ +/* +* Copyright (C) 2016,2017 by Jonathan Naylor G4KLX +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#if !defined(YSFPayload_H) +#define YSFPayload_H + +#include + +class CYSFPayload { +public: + CYSFPayload(); + ~CYSFPayload(); + + bool processHeaderData(unsigned char* bytes); + + void writeVDMode2Data(unsigned char* data, const unsigned char* dt); + bool readVDMode1Data(const unsigned char* data, unsigned char* dt); + bool readVDMode2Data(const unsigned char* data, unsigned char* dt); + + void writeHeader(unsigned char* data, const unsigned char* csd1, const unsigned char* csd2); + + void writeDataFRModeData1(const unsigned char* dt, unsigned char* data); + void writeDataFRModeData2(const unsigned char* dt, unsigned char* data); + bool readDataFRModeData1(const unsigned char* data, unsigned char* dt); + bool readDataFRModeData2(const unsigned char* data, unsigned char* dt); + + std::string getSource(); + std::string getDest(); + + void setUplink(const std::string& callsign); + void setDownlink(const std::string& callsign); + + void reset(); + +private: + unsigned char* m_uplink; + unsigned char* m_downlink; + unsigned char* m_source; + unsigned char* m_dest; +}; + +#endif diff --git a/P252DMR/P252DMR b/P252DMR/P252DMR new file mode 100755 index 0000000..f980c09 Binary files /dev/null and b/P252DMR/P252DMR differ