diff --git a/DMR2P25/BPTC19696.cpp b/DMR2P25/BPTC19696.cpp new file mode 100644 index 0000000..289005a --- /dev/null +++ b/DMR2P25/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/DMR2P25/BPTC19696.h b/DMR2P25/BPTC19696.h new file mode 100644 index 0000000..0a40a78 --- /dev/null +++ b/DMR2P25/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/DMR2P25/CRC.cpp b/DMR2P25/CRC.cpp new file mode 100644 index 0000000..e19f429 --- /dev/null +++ b/DMR2P25/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/DMR2P25/CRC.h b/DMR2P25/CRC.h new file mode 100644 index 0000000..d529271 --- /dev/null +++ b/DMR2P25/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/DMR2P25/Conf.cpp b/DMR2P25/Conf.cpp new file mode 100644 index 0000000..24d0949 --- /dev/null +++ b/DMR2P25/Conf.cpp @@ -0,0 +1,255 @@ +/* + * 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. + */ + +#include "Conf.h" +#include "Log.h" + +#include +#include +#include +#include + +const int BUFFER_SIZE = 500; + +enum SECTION { + SECTION_NONE, + SECTION_P25_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_p25DstId(0U), +m_p25DstAddress(), +m_p25DstPort(0U), +m_p25LocalAddress(), +m_p25LocalPort(0U), +m_p25NetworkDebug(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, "[P25 Network]", 13U) == 0) + section = SECTION_P25_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_P25_NETWORK) { + if (::strcmp(key, "Callsign") == 0) + m_callsign = value; + else if (::strcmp(key, "StartupDstId") == 0) + m_p25DstId = (unsigned int)::atoi(value); + else if (::strcmp(key, "LocalAddress") == 0) + m_p25LocalAddress = value; + else if (::strcmp(key, "LocalPort") == 0) + m_p25LocalPort = (unsigned int)::atoi(value); + else if (::strcmp(key, "DstAddress") == 0) + m_p25DstAddress = value; + else if (::strcmp(key, "DstPort") == 0) + m_p25DstPort = (unsigned int)::atoi(value); + else if (::strcmp(key, "Debug") == 0) + m_p25NetworkDebug = ::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::getP25DstAddress() const +{ + return m_p25DstAddress; +} + +unsigned int CConf::getP25DstPort() const +{ + return m_p25DstPort; +} + +std::string CConf::getP25LocalAddress() const +{ + return m_p25LocalAddress; +} + +unsigned int CConf::getP25LocalPort() const +{ + return m_p25LocalPort; +} + +bool CConf::getP25NetworkDebug() const +{ + return m_p25NetworkDebug; +} + +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/DMR2P25/Conf.h b/DMR2P25/Conf.h new file mode 100644 index 0000000..389f462 --- /dev/null +++ b/DMR2P25/Conf.h @@ -0,0 +1,91 @@ +/* + * 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(CONF_H) +#define CONF_H + +#include +#include + +class CConf +{ +public: + CConf(const std::string& file); + ~CConf(); + + bool read(); + + // The P25 Network section + std::string getCallsign() const; + bool getDaemon() const; + unsigned int getP25DstId() const; + std::string getP25DstAddress() const; + unsigned int getP25DstPort() const; + std::string getP25LocalAddress() const; + unsigned int getP25LocalPort() const; + bool getP25NetworkDebug() 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_p25DstId; + std::string m_p25DstAddress; + unsigned int m_p25DstPort; + std::string m_p25LocalAddress; + unsigned int m_p25LocalPort; + bool m_p25NetworkDebug; + + 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/DMR2P25/DMR2P25.cpp b/DMR2P25/DMR2P25.cpp new file mode 100644 index 0000000..ea78620 --- /dev/null +++ b/DMR2P25/DMR2P25.cpp @@ -0,0 +1,761 @@ +/* +* 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 "DMR2P25.h" + +#include +#include +#include +#include +#include + +const unsigned char IMBE_SILENCE[] = {0x04U, 0x0CU, 0xFDU, 0x7BU, 0xFBU, 0x7DU, 0xF2U, 0x7BU, 0x3DU, 0x9EU, 0x44}; + +const unsigned char REC62[] = { + 0x62U, 0x02U, 0x02U, 0x0CU, 0x0BU, 0x12U, 0x64U, 0x00U, 0x00U, 0x80U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, + 0x00U, 0x00U, 0x00U, 0x00U, 0x00U}; + +const unsigned char REC63[] = { + 0x63U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U}; + +const unsigned char REC64[] = { + 0x64U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U}; + +const unsigned char REC65[] = { + 0x65U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U}; + +const unsigned char REC66[] = { + 0x66U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U}; + +const unsigned char REC67[] = { + 0x67U, 0xF0U, 0x9DU, 0x6AU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U}; + +const unsigned char REC68[] = { + 0x68U, 0x19U, 0xD4U, 0x26U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U}; + +const unsigned char REC69[] = { + 0x69U, 0xE0U, 0xEBU, 0x7BU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U}; + +const unsigned char REC6A[] = { + 0x6AU, 0x00U, 0x00U, 0x02U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U}; + +const unsigned char REC6B[] = { + 0x6BU, 0x02U, 0x02U, 0x0CU, 0x0BU, 0x12U, 0x64U, 0x00U, 0x00U, 0x80U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, + 0x00U, 0x00U, 0x00U, 0x00U, 0x00U}; + +const unsigned char REC6C[] = { + 0x6CU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U}; + +const unsigned char REC6D[] = { + 0x6DU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U}; + +const unsigned char REC6E[] = { + 0x6EU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U}; + +const unsigned char REC6F[] = { + 0x6FU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U}; + +const unsigned char REC70[] = { + 0x70U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U}; + +const unsigned char REC71[] = { + 0x71U, 0xACU, 0xB8U, 0xA4U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U}; + +const unsigned char REC72[] = { + 0x72U, 0x9BU, 0xDCU, 0x75U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U}; + +const unsigned char REC73[] = { + 0x73U, 0x00U, 0x00U, 0x02U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U}; + +const unsigned char REC80[] = { + 0x80U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U}; + +#define DMR_FRAME_PER 55U +#define P25_FRAME_PER 15U + +const char* DEFAULT_INI_FILE = "/etc/DMR2P25.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"; + +#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"); + } +} + +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, "DMR2P25 version %s\n", VERSION); + return 0; + } else if (arg.substr(0, 1) == "-") { + ::fprintf(stderr, "Usage: DMR2P25 [-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"); + + CDMR2P25* gateway = new CDMR2P25(std::string(iniFile)); + + int ret = gateway->run(); + + delete gateway; + + return ret; +} + +CDMR2P25::CDMR2P25(const std::string& configFile) : +m_callsign(), +m_conf(configFile), +m_dmrNetwork(NULL), +m_p25Network(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_p25Src(1U), +m_p25Dst(1U), +m_p25Frame(NULL), +m_p25Frames(0U), +m_p25info(false), +m_EmbeddedLC(), +m_dmrflco(FLCO_GROUP), +m_dmrinfo(false), +m_config(NULL), +m_configLen(0U) +{ + m_p25Frame = new unsigned char[100U]; + m_dmrFrame = new unsigned char[50U]; + m_config = new unsigned char[400U]; + + ::memset(m_p25Frame, 0U, 100U); + ::memset(m_dmrFrame, 0U, 50U); +} + +CDMR2P25::~CDMR2P25() +{ + delete[] m_p25Frame; + delete[] m_dmrFrame; + delete[] m_config; +} + +int CDMR2P25::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, "DMR2P25: 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 p25_dstAddress = m_conf.getP25DstAddress(); + unsigned int p25_dstPort = m_conf.getP25DstPort(); + std::string p25_localAddress = m_conf.getP25LocalAddress(); + unsigned int p25_localPort = m_conf.getP25LocalPort(); + bool p25_debug = m_conf.getP25NetworkDebug(); + ::fprintf(stderr, "%s : %s\n", p25_dstAddress.c_str(), p25_localAddress.c_str()); + + m_p25Network = new CP25Network(p25_localAddress, p25_localPort, p25_dstAddress, p25_dstPort, m_callsign, p25_debug); + + ret = m_p25Network->open(); + if (!ret) { + ::LogError("Cannot open the P25 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); + + CStopWatch stopWatch; + CStopWatch p25Watch; + CStopWatch dmrWatch; + stopWatch.start(); + p25Watch.start(); + dmrWatch.start(); + + unsigned char p25_cnt = 0; + unsigned char dmr_cnt = 0; + + LogMessage("Starting DMR2P25-%s", VERSION); + + for (; m_killed == 0;) { + unsigned char buffer[2000U]; + + CDMRData tx_dmrdata; + unsigned int ms = stopWatch.elapsed(); + + if (p25Watch.elapsed() > P25_FRAME_PER) { + unsigned int p25FrameType = m_conv.getP25(m_p25Frame); + m_p25Src = m_dmrSrc; + m_p25Dst = m_dmrDst; + + if(p25FrameType == TAG_HEADER) { + p25_cnt = 0U; + p25Watch.start(); + } + else if(p25FrameType == TAG_EOT) { + m_p25Network->writeData(REC80, 17U); + p25Watch.start(); + } + else if(p25FrameType == TAG_DATA) { + unsigned int p25step = p25_cnt % 18U; + //CUtils::dump(1U, "P25 Data", m_p25Frame, 11U); + + if (p25_cnt > 2U) { + switch (p25step) { + case 0x00U: + ::memcpy(buffer, REC62, 22U); + ::memcpy(buffer + 10U, m_p25Frame, 11U); + m_p25Network->writeData(buffer, 22U); + break; + case 0x01U: + ::memcpy(buffer, REC63, 14U); + ::memcpy(buffer + 1U, m_p25Frame, 11U); + m_p25Network->writeData(buffer, 14U); + break; + case 0x02U: + ::memcpy(buffer, REC64, 17U); + ::memcpy(buffer + 5U, m_p25Frame, 11U); + buffer[1U] = 0x00U; + m_p25Network->writeData(buffer, 17U); + break; + case 0x03U: + ::memcpy(buffer, REC65, 17U); + ::memcpy(buffer + 5U, m_p25Frame, 11U); + buffer[1U] = (m_p25Dst >> 16) & 0xFFU; + buffer[2U] = (m_p25Dst >> 8) & 0xFFU; + buffer[3U] = (m_p25Dst >> 0) & 0xFFU; + m_p25Network->writeData(buffer, 17U); + break; + case 0x04U: + ::memcpy(buffer, REC66, 17U); + ::memcpy(buffer + 5U, m_p25Frame, 11U); + buffer[1U] = (m_p25Src >> 16) & 0xFFU; + buffer[2U] = (m_p25Src >> 8) & 0xFFU; + buffer[3U] = (m_p25Src >> 0) & 0xFFU; + m_p25Network->writeData(buffer, 17U); + break; + case 0x05U: + ::memcpy(buffer, REC67, 17U); + ::memcpy(buffer + 5U, m_p25Frame, 11U); + m_p25Network->writeData(buffer, 17U); + break; + case 0x06U: + ::memcpy(buffer, REC68, 17U); + ::memcpy(buffer + 5U, m_p25Frame, 11U); + m_p25Network->writeData(buffer, 17U); + break; + case 0x07U: + ::memcpy(buffer, REC69, 17U); + ::memcpy(buffer + 5U, m_p25Frame, 11U); + m_p25Network->writeData(buffer, 17U); + break; + case 0x08U: + ::memcpy(buffer, REC6A, 16U); + ::memcpy(buffer + 4U, m_p25Frame, 11U); + m_p25Network->writeData(buffer, 16U); + break; + case 0x09U: + ::memcpy(buffer, REC6B, 22U); + ::memcpy(buffer + 10U, m_p25Frame, 11U); + m_p25Network->writeData(buffer, 22U); + break; + case 0x0AU: + ::memcpy(buffer, REC6C, 14U); + ::memcpy(buffer + 1U, m_p25Frame, 11U); + m_p25Network->writeData(buffer, 14U); + break; + case 0x0BU: + ::memcpy(buffer, REC6D, 17U); + ::memcpy(buffer + 5U, m_p25Frame, 11U); + m_p25Network->writeData(buffer, 17U); + break; + case 0x0CU: + ::memcpy(buffer, REC6E, 17U); + ::memcpy(buffer + 5U, m_p25Frame, 11U); + m_p25Network->writeData(buffer, 17U); + break; + case 0x0DU: + ::memcpy(buffer, REC6F, 17U); + ::memcpy(buffer + 5U, m_p25Frame, 11U); + m_p25Network->writeData(buffer, 17U); + break; + case 0x0EU: + ::memcpy(buffer, REC70, 17U); + ::memcpy(buffer + 5U, m_p25Frame, 11U); + buffer[1U] = 0x80U; + m_p25Network->writeData(buffer, 17U); + break; + case 0x0FU: + ::memcpy(buffer, REC71, 17U); + ::memcpy(buffer + 5U, m_p25Frame, 11U); + m_p25Network->writeData(buffer, 17U); + break; + case 0x10U: + ::memcpy(buffer, REC72, 17U); + ::memcpy(buffer + 5U, m_p25Frame, 11U); + m_p25Network->writeData(buffer, 17U); + break; + case 0x11U: + ::memcpy(buffer, REC73, 16U); + ::memcpy(buffer + 4U, m_p25Frame, 11U); + m_p25Network->writeData(buffer, 16U); + break; + } + } + + p25_cnt++; + p25Watch.start(); + } + } + + while (m_p25Network->readData(m_p25Frame, 22U) > 0U) { + //CUtils::dump(1U, "P25 Data", m_p25Frame, 22U); + if (m_p25Frame[0U] != 0xF0U && m_p25Frame[0U] != 0xF1U) { + if (m_p25Frame[0U] == 0x62U && !m_p25info) { + m_p25Frames = 0; + m_conv.putP25Header(); + } else if (m_p25Frame[0U] == 0x65U && !m_p25info) { + m_p25Dst = (m_p25Frame[1U] << 16) & 0xFF0000U; + m_p25Dst |= (m_p25Frame[2U] << 8) & 0x00FF00U; + m_p25Dst |= (m_p25Frame[3U] << 0) & 0x0000FFU; + } else if (m_p25Frame[0U] == 0x66U && !m_p25info) { + m_p25Src = (m_p25Frame[1U] << 16) & 0xFF0000U; + m_p25Src |= (m_p25Frame[2U] << 8) & 0x00FF00U; + m_p25Src |= (m_p25Frame[3U] << 0) & 0x0000FFU; + LogMessage("Received P25 audio: Src: %d Dst: %d", m_p25Src, m_p25Dst); + m_p25info = true; + } else if (m_p25Frame[0U] == 0x80U) { + LogMessage("P25 received end of voice transmission, %.1f seconds", float(m_p25Frames) / 50.0F); + m_p25info = false; + m_conv.putP25EOT(); + } + m_conv.putP25(m_p25Frame); + m_p25Frames++; + } + } + + if (dmrWatch.elapsed() > DMR_FRAME_PER && m_p25Frames > 4U) { + unsigned int dmrFrameType = m_conv.getDMR(m_dmrFrame); + m_dmrSrc = m_p25Src; + m_dstid = m_p25Dst; + if(dmrFrameType == TAG_HEADER) { + CDMRData rx_dmrdata; + dmr_cnt = 0U; + + rx_dmrdata.setSlotNo(2U); + rx_dmrdata.setSrcId(m_dmrSrc); + rx_dmrdata.setDstId(m_dstid); + 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_dstid); + 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_dstid); + 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_dstid); + 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_dstid); + 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_dstid); + 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_dstid); + // 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(); + + 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); // Add DMR frame for NXDN conversion + 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); // Add DMR frame for NXDN conversion + 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); + + } + + m_p25Network->close(); + m_dmrNetwork->close(); + delete m_dmrNetwork; + delete m_p25Network; + + ::LogFinalise(); + + return 0; +} + +bool CDMR2P25::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/DMR2P25/DMR2P25.h b/DMR2P25/DMR2P25.h new file mode 100644 index 0000000..4c769b8 --- /dev/null +++ b/DMR2P25/DMR2P25.h @@ -0,0 +1,83 @@ +/* +* Copyright (C) 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(DMR2NXDN_H) +#define DMR2NXDN_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 "P25Network.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 CDMR2P25 +{ +public: + CDMR2P25(const std::string& configFile); + ~CDMR2P25(); + + int run(); + +private: + std::string m_callsign; + CConf m_conf; + CMMDVMNetwork* m_dmrNetwork; + CP25Network* m_p25Network; + 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; + unsigned int m_p25Src; + unsigned int m_p25Dst; + unsigned char* m_p25Frame; + unsigned int m_p25Frames; + bool m_p25info; + 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/DMR2P25/DMR2P25.ini b/DMR2P25/DMR2P25.ini new file mode 100644 index 0000000..539b45b --- /dev/null +++ b/DMR2P25/DMR2P25.ini @@ -0,0 +1,28 @@ +[P25 Network] +Callsign=AD8DP +LocalAddress=127.0.0.1 +LocalPort=32010 +DstAddress=127.0.0.1 +DstPort=42020 +Daemon=1 +Debug=0 + +[DMR Network] +Id=1234567 +RptAddress=127.0.0.1 +RptPort=62032 +LocalAddress=127.0.0.4 +LocalPort=62037 +Debug=0 + +[DMR Id Lookup] +File=DMRIds.dat +Time=24 + +[Log] +# Logging levels, 0=No logging +DisplayLevel=1 +FileLevel=1 +FilePath=. +FileRoot=DMR2P25 + diff --git a/DMR2P25/DMRData.cpp b/DMR2P25/DMRData.cpp new file mode 100644 index 0000000..200b318 --- /dev/null +++ b/DMR2P25/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/DMR2P25/DMRData.h b/DMR2P25/DMRData.h new file mode 100644 index 0000000..ed0ea55 --- /dev/null +++ b/DMR2P25/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/DMR2P25/DMRDefines.h b/DMR2P25/DMRDefines.h new file mode 100644 index 0000000..4cd7ae2 --- /dev/null +++ b/DMR2P25/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/DMR2P25/DMREMB.cpp b/DMR2P25/DMREMB.cpp new file mode 100644 index 0000000..f60c7be --- /dev/null +++ b/DMR2P25/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/DMR2P25/DMREMB.h b/DMR2P25/DMREMB.h new file mode 100644 index 0000000..517be1e --- /dev/null +++ b/DMR2P25/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/DMR2P25/DMREmbeddedData.cpp b/DMR2P25/DMREmbeddedData.cpp new file mode 100644 index 0000000..a5a3e42 --- /dev/null +++ b/DMR2P25/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/DMR2P25/DMREmbeddedData.h b/DMR2P25/DMREmbeddedData.h new file mode 100644 index 0000000..7222dcd --- /dev/null +++ b/DMR2P25/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/DMR2P25/DMRFullLC.cpp b/DMR2P25/DMRFullLC.cpp new file mode 100644 index 0000000..dbcd6cc --- /dev/null +++ b/DMR2P25/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/DMR2P25/DMRFullLC.h b/DMR2P25/DMRFullLC.h new file mode 100644 index 0000000..d3294ef --- /dev/null +++ b/DMR2P25/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/DMR2P25/DMRLC.cpp b/DMR2P25/DMRLC.cpp new file mode 100644 index 0000000..8dd897b --- /dev/null +++ b/DMR2P25/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/DMR2P25/DMRLC.h b/DMR2P25/DMRLC.h new file mode 100644 index 0000000..9f3a464 --- /dev/null +++ b/DMR2P25/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/DMR2P25/DMRLookup.cpp b/DMR2P25/DMRLookup.cpp new file mode 100644 index 0000000..f8e48e4 --- /dev/null +++ b/DMR2P25/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/DMR2P25/DMRLookup.h b/DMR2P25/DMRLookup.h new file mode 100644 index 0000000..1bcbfae --- /dev/null +++ b/DMR2P25/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/DMR2P25/DMRSlotType.cpp b/DMR2P25/DMRSlotType.cpp new file mode 100644 index 0000000..d855303 --- /dev/null +++ b/DMR2P25/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/DMR2P25/DMRSlotType.h b/DMR2P25/DMRSlotType.h new file mode 100644 index 0000000..e76821f --- /dev/null +++ b/DMR2P25/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/DMR2P25/Defines.h b/DMR2P25/Defines.h new file mode 100644 index 0000000..1da97d3 --- /dev/null +++ b/DMR2P25/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/DMR2P25/DelayBuffer.cpp b/DMR2P25/DelayBuffer.cpp new file mode 100644 index 0000000..36e480c --- /dev/null +++ b/DMR2P25/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/DMR2P25/DelayBuffer.h b/DMR2P25/DelayBuffer.h new file mode 100644 index 0000000..779975f --- /dev/null +++ b/DMR2P25/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/DMR2P25/Golay2087.cpp b/DMR2P25/Golay2087.cpp new file mode 100644 index 0000000..61942d8 --- /dev/null +++ b/DMR2P25/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/DMR2P25/Golay2087.h b/DMR2P25/Golay2087.h new file mode 100644 index 0000000..d54daed --- /dev/null +++ b/DMR2P25/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/DMR2P25/Golay24128.cpp b/DMR2P25/Golay24128.cpp new file mode 100644 index 0000000..417da00 --- /dev/null +++ b/DMR2P25/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/DMR2P25/Golay24128.h b/DMR2P25/Golay24128.h new file mode 100644 index 0000000..1ac7852 --- /dev/null +++ b/DMR2P25/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/DMR2P25/Hamming.cpp b/DMR2P25/Hamming.cpp new file mode 100644 index 0000000..166e012 --- /dev/null +++ b/DMR2P25/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/DMR2P25/Hamming.h b/DMR2P25/Hamming.h new file mode 100644 index 0000000..393e005 --- /dev/null +++ b/DMR2P25/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/DMR2P25/LICENSE b/DMR2P25/LICENSE new file mode 100644 index 0000000..3912109 --- /dev/null +++ b/DMR2P25/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/DMR2P25/Log.cpp b/DMR2P25/Log.cpp new file mode 100644 index 0000000..fc37ebf --- /dev/null +++ b/DMR2P25/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/DMR2P25/Log.h b/DMR2P25/Log.h new file mode 100644 index 0000000..d671ef9 --- /dev/null +++ b/DMR2P25/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/DMR2P25/MBEVocoder.cpp b/DMR2P25/MBEVocoder.cpp new file mode 100644 index 0000000..e072e09 --- /dev/null +++ b/DMR2P25/MBEVocoder.cpp @@ -0,0 +1,124 @@ +/* +* 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_4400(int16_t *pcm, uint8_t *imbe) +{ + int16_t frame[8U] = {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000}; + unsigned int offset = 0U; + + int16_t mask = 0x0800; + for (unsigned int i = 0U; i < 12U; i++, mask >>= 1, offset++) + frame[0U] |= READ_BIT8(imbe, offset) != 0x00U ? mask : 0x0000; + + mask = 0x0800; + for (unsigned int i = 0U; i < 12U; i++, mask >>= 1, offset++) + frame[1U] |= READ_BIT8(imbe, offset) != 0x00U ? mask : 0x0000; + + mask = 0x0800; + for (unsigned int i = 0U; i < 12U; i++, mask >>= 1, offset++) + frame[2U] |= READ_BIT8(imbe, offset) != 0x00U ? mask : 0x0000; + + mask = 0x0800; + for (unsigned int i = 0U; i < 12U; i++, mask >>= 1, offset++) + frame[3U] |= READ_BIT8(imbe, offset) != 0x00U ? mask : 0x0000; + + mask = 0x0400; + for (unsigned int i = 0U; i < 11U; i++, mask >>= 1, offset++) + frame[4U] |= READ_BIT8(imbe, offset) != 0x00U ? mask : 0x0000; + + mask = 0x0400; + for (unsigned int i = 0U; i < 11U; i++, mask >>= 1, offset++) + frame[5U] |= READ_BIT8(imbe, offset) != 0x00U ? mask : 0x0000; + + mask = 0x0400; + for (unsigned int i = 0U; i < 11U; i++, mask >>= 1, offset++) + frame[6U] |= READ_BIT8(imbe, offset) != 0x00U ? mask : 0x0000; + + mask = 0x0040; + for (unsigned int i = 0U; i < 7U; i++, mask >>= 1, offset++) + frame[7U] |= READ_BIT8(imbe, offset) != 0x00U ? mask : 0x0000; + + vocoder.imbe_decode(frame, pcm); +} + +void MBEVocoder::encode_4400(int16_t *pcm, uint8_t *imbe) +{ + int16_t frame_vector[8]; + memset(imbe, 0, 9); + + vocoder.imbe_encode(frame_vector, pcm); + //vocoder.set_gain_adjust(1.0); + uint32_t offset = 0U; + int16_t mask = 0x0800; + + for (uint32_t i = 0U; i < 12U; i++, mask >>= 1, offset++) + WRITE_BIT8(imbe, offset, (frame_vector[0U] & mask) != 0); + + mask = 0x0800; + for (uint32_t i = 0U; i < 12U; i++, mask >>= 1, offset++) + WRITE_BIT8(imbe, offset, (frame_vector[1U] & mask) != 0); + + mask = 0x0800; + for (uint32_t i = 0U; i < 12U; i++, mask >>= 1, offset++) + WRITE_BIT8(imbe, offset, (frame_vector[2U] & mask) != 0); + + mask = 0x0800; + for (uint32_t i = 0U; i < 12U; i++, mask >>= 1, offset++) + WRITE_BIT8(imbe, offset, (frame_vector[3U] & mask) != 0); + + mask = 0x0400; + for (uint32_t i = 0U; i < 11U; i++, mask >>= 1, offset++) + WRITE_BIT8(imbe, offset, (frame_vector[4U] & mask) != 0); + + mask = 0x0400; + for (uint32_t i = 0U; i < 11U; i++, mask >>= 1, offset++) + WRITE_BIT8(imbe, offset, (frame_vector[5U] & mask) != 0); + + mask = 0x0400; + for (uint32_t i = 0U; i < 11U; i++, mask >>= 1, offset++) + WRITE_BIT8(imbe, offset, (frame_vector[6U] & mask) != 0); + + mask = 0x0040; + for (uint32_t i = 0U; i < 7U; i++, mask >>= 1, offset++) + WRITE_BIT8(imbe, offset, (frame_vector[7U] & mask) != 0); + +} + +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/DMR2P25/MBEVocoder.h b/DMR2P25/MBEVocoder.h new file mode 100644 index 0000000..1201995 --- /dev/null +++ b/DMR2P25/MBEVocoder.h @@ -0,0 +1,39 @@ +/* +* 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 +#include + +class MBEVocoder { +public: + void decode_4400(int16_t *, uint8_t *); + void encode_4400(int16_t *, uint8_t *); + void decode_2450(int16_t *, uint8_t *); + void encode_2450(int16_t *, uint8_t *); + MBEVocoder(void); + +private: + imbe_vocoder vocoder; +}; + +#endif /* INCLUDED_AMBE_ENCODER_H */ diff --git a/DMR2P25/MMDVMNetwork.cpp b/DMR2P25/MMDVMNetwork.cpp new file mode 100644 index 0000000..11af70b --- /dev/null +++ b/DMR2P25/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/DMR2P25/MMDVMNetwork.h b/DMR2P25/MMDVMNetwork.h new file mode 100644 index 0000000..2f3ec00 --- /dev/null +++ b/DMR2P25/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/DMR2P25/Makefile b/DMR2P25/Makefile new file mode 100644 index 0000000..b283582 --- /dev/null +++ b/DMR2P25/Makefile @@ -0,0 +1,22 @@ +CC ?= gcc +CXX ?= g++ +CFLAGS ?= -g -O3 -Wall -std=c++0x -pthread +LIBS = -lm -lpthread -limbe_vocoder -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 P25Network.o Golay2087.o \ + Golay24128.o Hamming.o Log.o ModeConv.o Mutex.o QR1676.o Reflectors.o RS129.o \ + SHA256.o StopWatch.o Sync.o Thread.o Timer.o UDPSocket.o Utils.o MBEVocoder.o DMR2P25.o + +all: DMR2P25 + +DMR2P25: $(OBJECTS) + $(CXX) $(OBJECTS) $(CFLAGS) $(LIBS) -o DMR2P25 -Xlinker --section-start=.firmware=0x0800C000 -Xlinker --section-start=.sram=0x20000000 + +%.o: %.cpp + $(CXX) $(CFLAGS) -c -o $@ $< + +clean: + $(RM) DMR2P25 *.o *.d *.bak *~ + diff --git a/DMR2P25/ModeConv.cpp b/DMR2P25/ModeConv.cpp new file mode 100644 index 0000000..50becba --- /dev/null +++ b/DMR2P25/ModeConv.cpp @@ -0,0 +1,827 @@ +/* + * 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, 0xCE38DBU, 0x87A35AU, 0x9CD3A5U, 0xD648F4U, 0xAF7B6FU, 0x24A292U, 0x7D3011U, 0x764B6DU, 0x2DDABEU, + 0x44D123U, 0x5E22D8U, 0x1FB09DU, 0x04A926U, 0x4F5AF3U, 0x064128U, 0x3DB105U, 0x70AAD6U, 0xAA392FU, 0xA1C4B8U, + 0xF8C7C0U, 0xD35D0FU, 0x8A2E9EU, 0xC1B761U, 0xDA44F0U, 0x925E8FU, 0x89CF4EU, 0xE8B4D1U, 0xB32728U, 0xB8FE7FU, + 0x61DCC6U, 0x2A4701U, 0x1614D8U, 0x5DADE2U, 0x46BE37U, 0x0F44DCU, 0x54D549U, 0x5D8E32U, 0x263DAFU, 0x2C237CU, + 0x75E291U, 0xBE5982U, 0xA74A7FU, 0xC493A4U, 0xDFA131U, 0x967A5AU, 0xCCCB8EU, 0xC1D835U, 0x9A02ECU, 0xF331BBU, + 0xE8B812U, 0xA3EBC5U, 0xBA507CU, 0x7080ABU, 0x099BC2U, 0x02285DU, 0x59718CU, 0x50C273U, 0x0B1862U, 0x4A1F8CU, + 0x70A655U, 0x3BF5C2U, 0x666FBBU, 0x6DDE68U, 0x3485C5U, 0x9F161EU, 0xC46F4BU, 0x8CFDF0U, 0x97C625U, 0xDE058EU, + 0xC59CD3U, 0xAEAE20U, 0xF775BCU, 0xFC647FU, 0xBD9F02U, 0xE70C91U, 0xCC1468U, 0x11E7B7U, 0x1AFC36U, 0x435B49U, + 0x080398U, 0x139027U, 0x7B63FEU, 0x607AF9U, 0x29E900U, 0x7293D6U, 0x79026FU, 0x00D930U, 0x0BEAF1U, 0xD3614EU, + 0x90119FU, 0x8B8AE4U, 0xC61969U, 0xBD609AU, 0xB4F247U, 0xEFA954U, 0xE518A9U, 0xBC0362U, 0xD7D0D6U, 0xCE7E8DU, + 0x856F18U, 0x1C94E3U, 0x578726U, 0x0D5F1DU, 0x24ECC0U, 0x7FF713U, 0x3E26AAU, 0x251D6DU, 0x6A8F14U, 0x53648BU, + 0x19757AU, 0x40AEB4U, 0xCB9CA5U, 0x90055AU, 0x9956C3U, 0xE2ED34U, 0xAB3C7DU, 0xB126EAU, 0xFA9513U, 0xA3D2C8U, + 0x886BFDU, 0xD9F836U, 0xD2A2E3U, 0x8D1359U, 0x454804U, 0x5EDBF7U, 0x37637AU, 0x2C3089U, 0x67ABD4U, 0x3E8847U, + 0x3551BAU, 0x4D6331U, 0x46B8C4U, 0x1D299FU, 0x54120EU, 0x5FC0E1U, 0x86D93BU, 0xE56A0EU, 0xFBB1D5U, 0xB2B600U, + 0xA94EABU, 0xE05DF6U, 0x9BE605U, 0x90B798U, 0xC92C6BU, 0xC3DE66U, 0x9AC7BDU, 0xD15448U, 0x6A3FD3U, 0x23ADA3U, + 0x78346CU, 0x7147F5U, 0x2BDC02U, 0x0EAD5BU, 0x553FFCU, 0x1EA425U, 0x07D5F2U, 0x4C4ECBU, 0x554C14U, 0x3EB3F5U, + 0xE4A26AU, 0xED799BU, 0xB6CA85U, 0xFFD25CU, 0xC421BFU, 0x8F3A22U, 0x96AB51U, 0xDC518CU, 0x895217U, 0x8289F2U, + 0xF9B8A9U, 0xF0231CU, 0x2BF1C7U, 0x62C80AU, 0x781B39U, 0x1320E5U, 0x4AB156U, 0x41EB8FU, 0x1848E0U, 0x13D771U, + 0x4886AEU, 0x203C5FU, 0x3B6F40U, 0x76F6A1U, 0xE5457EU, 0xAE1EE7U, 0xD7AC10U, 0xDCB549U, 0x8476EFU, 0x8FC536U, + 0xD49DE9U, 0x9D0ED8U, 0xA63513U, 0xEFE4A6U, 0xB4DF7DU, 0x3E0D00U, 0x779693U, 0x4CA75EU, 0x0568ADU, 0x527BB0U, + 0x59C34BU, 0x00109FU, 0x0A0B14U, 0x73FA61U, 0x38E0BAU, 0x23530FU, 0x6A88D4U, 0xB199DDU, 0x98322AU, 0xC260F3U, + 0xCBF944U, 0x908A0DU, 0xDB11F2U, 0xC28163U, 0xADFABDU, 0xBC694CU, 0xF65243U, 0xAD83BAU, 0xA40D6DU, 0x5F7EF4U, + 0x16E787U, 0x0DF44AU, 0x460EF1U, 0x5E1F24U, 0x15CC3FU, 0x6C77CAU, 0x676401U, 0x3C9CBDU, 0x359FEEU, 0x6A0413U, + 0x02F590U, 0x91EE4DU, 0xDA3C3EU, 0xC305A3U, 0x889658U, 0xF14D99U, 0xFA7F86U, 0xA1E677U, 0xE981E8U, 0xF21A10U, + 0xBB4BD7U, 0x80F1CEU, 0xCB6239U, 0x123BE0U, 0x1D885FU, 0x45921EU, 0x6641E1U, 0x3DE870U, 0x74BBAFU, 0x6F00C6U, + 0x261055U, 0x7DCBA8U, 0x57787AU, 0x0E2167U, 0x05B28CU, 0xCC8819U, 0x975BE2U, 0xBC52B7U, 0xE5E52CU, 0xEB37C9U, + 0xB20E12U, 0xF9DD2FU, 0xE8C6FCU, 0x837701U, 0xD8AD82U, 0xD1BE5AU, 0x0B0525U, 0x0244B4U, 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0xCC0601U, 0xE7475AU, 0x3CFCBFU, 0x74EF25U, 0x6717F4U, 0x2E048BU, 0x15DF0AU, 0x5A6CF5U, 0x03716CU, 0x08A33BU, + 0x5098C2U, 0x5B1945U, 0x20C2BCU, 0x69F063U, 0xF22972U, 0xBB1A8DU, 0xE0814DU, 0xCA52F6U, 0x936AABU, 0x98B958U, + 0xC9A2C5U, 0x820306U, 0x9B593BU, 0xF4CAE0U, 0xEE7315U, 0xA7209EU, 0x7C9BCBU, 0x75C930U, 0x0E54A4U, 0x45E75FU, + 0x5CBC12U, 0x173D81U, 0x0F0778U, 0x44D4AFU, 0x3FC596U, 0x363E59U, 0x65ACE8U, 0x6C9737U, 0xA346E6U, 0xD95DD9U, + 0xD0FE10U, 0x8B26E6U, 0xC2357FU, 0xD9CE28U, 0x92DDC1U, 0xAB455EU, 0xE1B6AFU, 0xB8ADF4U, 0xB35861U, 0x68438AU, + 0x41C157U, 0x12B864U, 0x5B2BB9U, 0x45B00AU, 0x0EC3C6U, 0x175B95U, 0x7C2828U, 0x25B3F3U, 0x2E2206U, 0x75580DU, + 0x3DDBD8U, 0x86C223U, 0xCF31BAU, 0xD4AADDU, 0x9FF804U, 0xC64193U, 0xCD526AU, 0xBDA9F4U, 0xB2BD95U, 0xE92E4AU, + 0xA0C5FBU, 0xBBD424U, 0xD20F7DU, 0x093DDAU, 0x01A603U, 0x5A77F0U, 0x514CEDU, 0x089E36U, 0x63A7D3U, 0x7A3448U, + 0x31FF3CU, 0x2BCEE7U, 0x625462U, 0x150799U, 0x1CBC84U, 0xC7ED77U, 0x8C76AAU, 0x95C409U, 0xDF9954U, 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}; +const unsigned char IMBE_SILENCE[] = {0x04U, 0x0CU, 0xFDU, 0x7BU, 0xFBU, 0x7DU, 0xF2U, 0x7BU, 0x3DU, 0x9EU, 0x44}; + +CModeConv::CModeConv() : +m_p25N(0U), +m_dmrN(0U), +m_P25(5000U, "DMR2P25"), +m_DMR(5000U, "P252DMR") +{ + m_mbe = new MBEVocoder(); +} + +CModeConv::~CModeConv() +{ +} + +void CModeConv::putDMR(unsigned char* data) +{ + assert(data != NULL); + + int16_t audio[160U]; + uint8_t ambe[9U]; + uint8_t v_ambe[9U]; + uint8_t imbe[11U]; + + ::memset(audio, 0, sizeof(audio)); + ::memset(ambe, 0, sizeof(ambe)); + ::memset(v_ambe, 0, sizeof(v_ambe)); + ::memset(imbe, 0, sizeof(imbe)); + + decode(data, ambe, 0U); + m_mbe->decode_2450(audio, ambe); + m_mbe->encode_4400(audio, imbe); + m_P25.addData(&TAG_DATA, 1U); + m_P25.addData(imbe, 11U); + //CUtils::dump(1U, "NXDN Voice:", data, 9U); + m_p25N += 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_mbe->encode_4400(audio, imbe); + m_P25.addData(&TAG_DATA, 1U); + m_P25.addData(imbe, 11U); + //CUtils::dump(1U, "NXDN Voice:", v_ambe, 9U); + m_p25N += 1U; + + data += 15U;; + decode(data, ambe, 0U); + m_mbe->decode_2450(audio, ambe); + m_mbe->encode_4400(audio, imbe); + m_P25.addData(&TAG_DATA, 1U); + m_P25.addData(imbe, 11U); + //CUtils::dump(1U, "NXDN Voice:", data, 9U); + m_p25N += 1U; +} + +void CModeConv::putP25(unsigned char* data) +{ + assert(data != NULL); + + int16_t audio[160U]; + uint8_t ambe[9U]; + uint8_t imbe[11U]; + uint8_t vch[10U]; + ::memset(audio, 0, sizeof(audio)); + ::memset(ambe, 0, sizeof(ambe)); + switch (data[0U]) { + case 0x62U: + ::memcpy(imbe, data + 10U, 11U); + break; + case 0x63U: + ::memcpy(imbe, data + 1U, 11U); + break; + case 0x64U: + ::memcpy(imbe, data + 5U, 11U); + break; + case 0x65U: + ::memcpy(imbe, data + 5U, 11U); + break; + case 0x66U: + ::memcpy(imbe, data + 5U, 11U); + break; + case 0x67U: + ::memcpy(imbe, data + 5U, 11U); + break; + case 0x68U: + ::memcpy(imbe, data + 5U, 11U); + break; + case 0x69U: + ::memcpy(imbe, data + 5U, 11U); + break; + case 0x6AU: + ::memcpy(imbe, data + 4U, 11U); + break; + case 0x6BU: + ::memcpy(imbe, data + 10U, 11U); + break; + case 0x6CU: + ::memcpy(imbe, data + 1U, 11U); + break; + case 0x6DU: + ::memcpy(imbe, data + 5U, 11U); + break; + case 0x6EU: + ::memcpy(imbe, data + 5U, 11U); + break; + case 0x6FU: + ::memcpy(imbe, data + 5U, 11U); + break; + case 0x70U: + ::memcpy(imbe, data + 5U, 11U); + break; + case 0x71U: + ::memcpy(imbe, data + 5U, 11U); + break; + case 0x72U: + ::memcpy(imbe, data + 5U, 11U); + break; + case 0x73U: + ::memcpy(imbe, data + 4U, 11U); + break; + default: + break; + } + + m_mbe->decode_4400(audio, imbe); + m_mbe->encode_2450(audio, ambe); + + encode(ambe, vch, 0U); + m_DMR.addData(&TAG_DATA, 1U); + m_DMR.addData(vch, 9U); + m_dmrN += 1U; + + //CUtils::dump(1U, "P25 IMBE unpacked:", imbe, 11U); +} + +void CModeConv::putP25Header() +{ + unsigned char vch[11U]; + + ::memset(vch, 0, 11U); + + m_DMR.addData(&TAG_HEADER, 1U); + m_DMR.addData(vch, 9U); + m_dmrN += 1U; +} + +void CModeConv::putP25EOT() +{ + unsigned char imbe[11U]; + + ::memset(imbe, 0, 11U); + + 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(imbe, 9U); + m_dmrN += 1U; +} + +void CModeConv::putDMRHeader() +{ + unsigned char vch[11U]; + + ::memset(vch, 0, 11U); + + m_P25.addData(&TAG_HEADER, 1U); + m_P25.addData(vch, 11U); + m_p25N += 1U; +} + +void CModeConv::putDMREOT() +{ + unsigned char vch[11U]; + + ::memset(vch, 0, 11U); + + m_P25.addData(&TAG_EOT, 1U); + m_P25.addData(vch, 11U); + m_p25N += 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::getP25(unsigned char* data) +{ + unsigned char tag[1U]; + + tag[0U] = TAG_NODATA; + + if (m_p25N >= 1U) { + m_P25.peek(tag, 1U); + + if (tag[0U] != TAG_DATA) { + m_P25.getData(tag, 1U); + m_P25.getData(data, 11U); + m_p25N -= 1U; + return tag[0U]; + } + } + + if (m_p25N >= 1U) { + m_P25.getData(tag, 1U); + m_P25.getData(data, 11U); + m_p25N -= 1U; + + return TAG_DATA; + } + else + return TAG_NODATA; +} + +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/DMR2P25/ModeConv.h b/DMR2P25/ModeConv.h new file mode 100644 index 0000000..8830012 --- /dev/null +++ b/DMR2P25/ModeConv.h @@ -0,0 +1,54 @@ +/* + * 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" + +#if !defined(MODECONV_H) +#define MODECONV_H + +class CModeConv { +public: + CModeConv(); + ~CModeConv(); + + void putDMR(unsigned char* data); + void putDMRHeader(); + void putDMREOT(); + + void putP25(unsigned char* data); + void putP25Header(); + void putP25EOT(); + + unsigned int getP25(unsigned char* data); + unsigned int getDMR(unsigned char* data); + +private: + unsigned int m_p25N; + unsigned int m_dmrN; + CRingBuffer m_P25; + CRingBuffer m_DMR; + MBEVocoder *m_mbe; + 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/DMR2P25/Mutex.cpp b/DMR2P25/Mutex.cpp new file mode 100644 index 0000000..837e340 --- /dev/null +++ b/DMR2P25/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/DMR2P25/Mutex.h b/DMR2P25/Mutex.h new file mode 100644 index 0000000..7ce9f85 --- /dev/null +++ b/DMR2P25/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/DMR2P25/P25Defines.h b/DMR2P25/P25Defines.h new file mode 100644 index 0000000..f04260f --- /dev/null +++ b/DMR2P25/P25Defines.h @@ -0,0 +1,70 @@ +/* + * Copyright (C) 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(P25DEFINES_H) +#define P25DEFINES_H + +const unsigned int P25_HDR_FRAME_LENGTH_BYTES = 99U; +const unsigned int P25_HDR_FRAME_LENGTH_BITS = P25_HDR_FRAME_LENGTH_BYTES * 8U; + +const unsigned int P25_LDU_FRAME_LENGTH_BYTES = 216U; +const unsigned int P25_LDU_FRAME_LENGTH_BITS = P25_LDU_FRAME_LENGTH_BYTES * 8U; + +const unsigned int P25_TERM_FRAME_LENGTH_BYTES = 18U; +const unsigned int P25_TERM_FRAME_LENGTH_BITS = P25_TERM_FRAME_LENGTH_BYTES * 8U; + +const unsigned int P25_TERMLC_FRAME_LENGTH_BYTES = 54U; +const unsigned int P25_TERMLC_FRAME_LENGTH_BITS = P25_TERMLC_FRAME_LENGTH_BYTES * 8U; + +const unsigned int P25_SYNC_LENGTH_BYTES = 6U; +const unsigned int P25_SYNC_LENGTH_BITS = P25_SYNC_LENGTH_BYTES * 8U; + +const unsigned int P25_NID_LENGTH_BYTES = 8U; +const unsigned int P25_NID_LENGTH_BITS = P25_NID_LENGTH_BYTES * 8U; + +const unsigned char P25_SYNC_BYTES[] = {0x55U, 0x75U, 0xF5U, 0xFFU, 0x77U, 0xFFU}; +const unsigned char P25_SYNC_BYTES_LENGTH = 6U; + +const unsigned int P25_MAX_PDU_COUNT = 10U; + +const unsigned int P25_PDU_HEADER_LENGTH_BYTES = 12U; +const unsigned int P25_PDU_CONFIRMED_LENGTH_BYTES = 18U; +const unsigned int P25_PDU_UNCONFIRMED_LENGTH_BYTES = 12U; + +const unsigned int P25_PDU_FEC_LENGTH_BYTES = 24U; +const unsigned int P25_PDU_FEC_LENGTH_BITS = P25_PDU_FEC_LENGTH_BYTES * 8U; + +const unsigned int P25_MI_LENGTH_BYTES = 9U; + +const unsigned char P25_LCF_GROUP = 0x00U; +const unsigned char P25_LCF_PRIVATE = 0x03U; + +const unsigned int P25_SS0_START = 70U; +const unsigned int P25_SS1_START = 71U; +const unsigned int P25_SS_INCREMENT = 72U; + +const unsigned char P25_DUID_HEADER = 0x00U; +const unsigned char P25_DUID_TERM = 0x03U; +const unsigned char P25_DUID_LDU1 = 0x05U; +const unsigned char P25_DUID_LDU2 = 0x0AU; +const unsigned char P25_DUID_PDU = 0x0CU; +const unsigned char P25_DUID_TERM_LC = 0x0FU; + +const unsigned char P25_NULL_IMBE[] = {0x04U, 0x0CU, 0xFDU, 0x7BU, 0xFBU, 0x7DU, 0xF2U, 0x7BU, 0x3DU, 0x9EU, 0x45U}; + +#endif diff --git a/DMR2P25/P25Network.cpp b/DMR2P25/P25Network.cpp new file mode 100644 index 0000000..621436b --- /dev/null +++ b/DMR2P25/P25Network.cpp @@ -0,0 +1,118 @@ +/* + * 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 "P25Network.h" +#include "Utils.h" +#include "Log.h" + +#include +#include +#include + +CP25Network::CP25Network(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); +} + +CP25Network::~CP25Network() +{ +} + +bool CP25Network::open() +{ + LogInfo("Opening P25 network connection"); + + return m_socket.open(); +} + +bool CP25Network::writeData(const unsigned char* data, unsigned int length) +{ + assert(data != NULL); + assert(length > 0U); + + if (m_debug) + CUtils::dump(1U, "P25 Network Data Sent", data, length); + + return m_socket.write(data, length, m_address, m_port); +} + +bool CP25Network::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, "P25 Network Poll Sent", data, 11U); + + return m_socket.write(data, 11U, m_address, m_port); +} + +bool CP25Network::writeUnlink() +{ + unsigned char data[15U]; + + data[0U] = 0xF1U; + + for (unsigned int i = 0U; i < 10U; i++) + data[i + 1U] = m_callsign.at(i); + + if (m_debug) + CUtils::dump(1U, "P25 Network Unlink Sent", data, 11U); + + return m_socket.write(data, 11U, m_address, m_port); +} + +unsigned int CP25Network::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("P25 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, "P25 Network Data Received", data, len); + + return len; +} + +void CP25Network::close() +{ + m_socket.close(); + + LogInfo("Closing P25 network connection"); +} diff --git a/DMR2P25/P25Network.h b/DMR2P25/P25Network.h new file mode 100644 index 0000000..a9dca2c --- /dev/null +++ b/DMR2P25/P25Network.h @@ -0,0 +1,52 @@ +/* + * 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 P25Network_H +#define P25Network_H + +#include "UDPSocket.h" + +#include +#include + +class CP25Network { +public: + CP25Network(const std::string& localAddress, unsigned int localPort, const std::string& gatewayAddress, unsigned int gatewayPort, const std::string& callsign, bool debug); + ~CP25Network(); + + bool open(); + + bool writeData(const unsigned char* data, unsigned int length); + + unsigned int readData(unsigned char* data, unsigned int length); + + bool writePoll(); + + bool writeUnlink(); + + void close(); + +private: + std::string m_callsign; + in_addr m_address; + unsigned int m_port; + CUDPSocket m_socket; + bool m_debug; +}; + +#endif diff --git a/DMR2P25/QR1676.cpp b/DMR2P25/QR1676.cpp new file mode 100644 index 0000000..1548fc5 --- /dev/null +++ b/DMR2P25/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/DMR2P25/QR1676.h b/DMR2P25/QR1676.h new file mode 100644 index 0000000..dac2c0f --- /dev/null +++ b/DMR2P25/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/DMR2P25/README.md b/DMR2P25/README.md new file mode 100644 index 0000000..51cf57f --- /dev/null +++ b/DMR2P25/README.md @@ -0,0 +1,11 @@ +# Description + +This is the source code of DMR2P25, a software for digital voice conversion from DMR to P25 Phase 1 digital mode, based on Jonathan G4KLX's [MMDVM](https://github.com/g4klx) software. + +You can use this software with MMDVMHost and P25Gateway, with the default UDP ports: + +MMDVMHost <-> DMR2P25 <-> P25Gateway + +Program your DMR radio with P25 TG numbers. + +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. diff --git a/DMR2P25/RS129.cpp b/DMR2P25/RS129.cpp new file mode 100644 index 0000000..25d66ba --- /dev/null +++ b/DMR2P25/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/DMR2P25/RS129.h b/DMR2P25/RS129.h new file mode 100644 index 0000000..60f99bd --- /dev/null +++ b/DMR2P25/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/DMR2P25/Reflectors.cpp b/DMR2P25/Reflectors.cpp new file mode 100644 index 0000000..308ccf5 --- /dev/null +++ b/DMR2P25/Reflectors.cpp @@ -0,0 +1,106 @@ +/* +* 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. +*/ + +#include "Reflectors.h" +#include "Log.h" + +#include +#include +#include +#include +#include +#include + +CReflectors::CReflectors(const std::string& hostsFile, unsigned int reloadTime) : +m_hostsFile(hostsFile), +m_reflectors(), +m_timer(1000U, reloadTime * 60U) +{ + if (reloadTime > 0U) + m_timer.start(); +} + +CReflectors::~CReflectors() +{ + for (std::vector::iterator it = m_reflectors.begin(); it != m_reflectors.end(); ++it) + delete *it; + + m_reflectors.clear(); +} + +bool CReflectors::load() +{ + for (std::vector::iterator it = m_reflectors.begin(); it != m_reflectors.end(); ++it) + delete *it; + + m_reflectors.clear(); + + FILE* fp = ::fopen(m_hostsFile.c_str(), "rt"); + if (fp != NULL) { + char buffer[100U]; + while (::fgets(buffer, 100U, fp) != NULL) { + if (buffer[0U] == '#') + continue; + + char* p1 = ::strtok(buffer, ";\r\n"); + char* p2 = ::strtok(NULL, ";\r\n"); + char* p3 = ::strtok(NULL, "\r\n"); + + if (p1 != NULL && p2 != NULL && p3 != NULL) { + CReflector* refl = new CReflector; + refl->m_id = (unsigned int)::atoi(p1); + refl->m_address = std::string(p2); + refl->m_startup = (unsigned int)::atoi(p3); + m_reflectors.push_back(refl); + } + } + + ::fclose(fp); + } + + size_t size = m_reflectors.size(); + LogInfo("Loaded %u XLX reflectors", size); + + size = m_reflectors.size(); + if (size == 0U) + return false; + + return true; +} + +CReflector* CReflectors::find(unsigned int id) +{ + for (std::vector::iterator it = m_reflectors.begin(); it != m_reflectors.end(); ++it) { + if (id == (*it)->m_id) + return *it; + } + + LogMessage("Trying to find non existent XLX reflector with an id of %u", id); + + return NULL; +} + +void CReflectors::clock(unsigned int ms) +{ + m_timer.clock(ms); + + if (m_timer.isRunning() && m_timer.hasExpired()) { + load(); + m_timer.start(); + } +} diff --git a/DMR2P25/Reflectors.h b/DMR2P25/Reflectors.h new file mode 100644 index 0000000..fbf4614 --- /dev/null +++ b/DMR2P25/Reflectors.h @@ -0,0 +1,58 @@ +/* +* 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(Reflectors_H) +#define Reflectors_H + +#include "Timer.h" + +#include +#include + +class CReflector { +public: + CReflector() : + m_id(0U), + m_address(), + m_startup(0U) + { + } + + unsigned int m_id; + std::string m_address; + unsigned int m_startup; +}; + +class CReflectors { +public: + CReflectors(const std::string& hostsFile, unsigned int reloadTime); + ~CReflectors(); + + bool load(); + + CReflector* find(unsigned int id); + + void clock(unsigned int ms); + +private: + std::string m_hostsFile; + std::vector m_reflectors; + CTimer m_timer; +}; + +#endif diff --git a/DMR2P25/RingBuffer.h b/DMR2P25/RingBuffer.h new file mode 100644 index 0000000..707de1c --- /dev/null +++ b/DMR2P25/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/DMR2P25/SHA256.cpp b/DMR2P25/SHA256.cpp new file mode 100644 index 0000000..b3366e0 --- /dev/null +++ b/DMR2P25/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/DMR2P25/SHA256.h b/DMR2P25/SHA256.h new file mode 100644 index 0000000..7c48f19 --- /dev/null +++ b/DMR2P25/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/DMR2P25/StopWatch.cpp b/DMR2P25/StopWatch.cpp new file mode 100644 index 0000000..481241b --- /dev/null +++ b/DMR2P25/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/DMR2P25/StopWatch.h b/DMR2P25/StopWatch.h new file mode 100644 index 0000000..3f8fa19 --- /dev/null +++ b/DMR2P25/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/DMR2P25/Sync.cpp b/DMR2P25/Sync.cpp new file mode 100644 index 0000000..6a8666d --- /dev/null +++ b/DMR2P25/Sync.cpp @@ -0,0 +1,61 @@ +/* + * 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 "P25Defines.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]; + } +} + +void CSync::addP25Sync(unsigned char* data) +{ + assert(data != NULL); + + ::memcpy(data, P25_SYNC_BYTES, P25_SYNC_LENGTH_BYTES); +} + diff --git a/DMR2P25/Sync.h b/DMR2P25/Sync.h new file mode 100644 index 0000000..6c40063 --- /dev/null +++ b/DMR2P25/Sync.h @@ -0,0 +1,34 @@ +/* + * 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); + + static void addP25Sync(unsigned char* data); + +private: +}; + +#endif diff --git a/DMR2P25/Thread.cpp b/DMR2P25/Thread.cpp new file mode 100644 index 0000000..b334436 --- /dev/null +++ b/DMR2P25/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/DMR2P25/Thread.h b/DMR2P25/Thread.h new file mode 100644 index 0000000..352d938 --- /dev/null +++ b/DMR2P25/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/DMR2P25/Timer.cpp b/DMR2P25/Timer.cpp new file mode 100644 index 0000000..53956e4 --- /dev/null +++ b/DMR2P25/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/DMR2P25/Timer.h b/DMR2P25/Timer.h new file mode 100644 index 0000000..87d68f5 --- /dev/null +++ b/DMR2P25/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/DMR2P25/UDPSocket.cpp b/DMR2P25/UDPSocket.cpp new file mode 100644 index 0000000..396f1f7 --- /dev/null +++ b/DMR2P25/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/DMR2P25/UDPSocket.h b/DMR2P25/UDPSocket.h new file mode 100644 index 0000000..e0af272 --- /dev/null +++ b/DMR2P25/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/DMR2P25/Utils.cpp b/DMR2P25/Utils.cpp new file mode 100644 index 0000000..49ded13 --- /dev/null +++ b/DMR2P25/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/DMR2P25/Utils.h b/DMR2P25/Utils.h new file mode 100644 index 0000000..ade28c0 --- /dev/null +++ b/DMR2P25/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/DMR2P25/Version.h b/DMR2P25/Version.h new file mode 100644 index 0000000..759c9f0 --- /dev/null +++ b/DMR2P25/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