mirror of
https://github.com/ShaYmez/MMDVM_CM.git
synced 2024-12-23 09:35:34 -05:00
201 lines
11 KiB
C++
201 lines
11 KiB
C++
/*
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* Copyright (C) 2012,2013,2015,2017 by Jonathan Naylor G4KLX
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* Copyright (C) 2011 by DV Developer Group. DJ0ABR
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* Copyright (C) 2018 by Manuel Sanchez EA7EE
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* Copyright (C) 2018 by Andy Uribe CA6JAU
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "DTMF.h"
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#include "Utils.h"
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const unsigned char DTMF_VD2_MASK[] = { 0xCCU, 0xCCU, 0xDDU, 0xDDU, 0xEEU, 0xEEU, 0xFFU, 0xFFU, 0xEEU, 0xEEU, 0xDDU, 0x99U, 0x98U };
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const unsigned char DTMF_VD2_SIG[] = { 0x08U, 0x80U, 0xC9U, 0x10U, 0x26U, 0xA0U, 0xE3U, 0x31U, 0xE2U, 0xE6U, 0xD5U, 0x08U, 0x88U };
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const unsigned char DTMF_VD2_SYM_MASK[] = { 0x33U, 0x33U, 0x22U, 0x22U, 0x11U, 0x11U, 0x11U, 0x11U, 0x22U, 0x66U, 0x66U };
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const unsigned char DTMF_VD2_SYM0[] = { 0x33U, 0x11U, 0x22U, 0x02U, 0x00U, 0x00U, 0x01U, 0x11U, 0x00U, 0x04U, 0x62U };
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const unsigned char DTMF_VD2_SYM1[] = { 0x33U, 0x10U, 0x20U, 0x20U, 0x00U, 0x01U, 0x01U, 0x10U, 0x00U, 0x04U, 0x62U };
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const unsigned char DTMF_VD2_SYM2[] = { 0x22U, 0x23U, 0x02U, 0x02U, 0x00U, 0x10U, 0x01U, 0x01U, 0x00U, 0x04U, 0x62U };
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const unsigned char DTMF_VD2_SYM3[] = { 0x22U, 0x22U, 0x00U, 0x20U, 0x00U, 0x11U, 0x01U, 0x00U, 0x00U, 0x04U, 0x62U };
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const unsigned char DTMF_VD2_SYM4[] = { 0x11U, 0x11U, 0x22U, 0x02U, 0x01U, 0x00U, 0x00U, 0x11U, 0x00U, 0x06U, 0x44U };
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const unsigned char DTMF_VD2_SYM5[] = { 0x11U, 0x10U, 0x20U, 0x20U, 0x01U, 0x01U, 0x00U, 0x10U, 0x00U, 0x06U, 0x44U };
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const unsigned char DTMF_VD2_SYM6[] = { 0x00U, 0x23U, 0x02U, 0x02U, 0x01U, 0x10U, 0x00U, 0x01U, 0x00U, 0x06U, 0x44U };
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const unsigned char DTMF_VD2_SYM7[] = { 0x00U, 0x22U, 0x00U, 0x20U, 0x01U, 0x11U, 0x00U, 0x00U, 0x00U, 0x06U, 0x44U };
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const unsigned char DTMF_VD2_SYM8[] = { 0x33U, 0x11U, 0x22U, 0x02U, 0x10U, 0x00U, 0x11U, 0x11U, 0x22U, 0x60U, 0x22U };
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const unsigned char DTMF_VD2_SYM9[] = { 0x33U, 0x10U, 0x20U, 0x20U, 0x10U, 0x01U, 0x11U, 0x10U, 0x22U, 0x60U, 0x22U };
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const unsigned char DTMF_VD2_SYMA[] = { 0x22U, 0x23U, 0x02U, 0x02U, 0x10U, 0x10U, 0x11U, 0x01U, 0x22U, 0x60U, 0x22U };
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const unsigned char DTMF_VD2_SYMB[] = { 0x22U, 0x22U, 0x00U, 0x20U, 0x10U, 0x11U, 0x11U, 0x00U, 0x22U, 0x60U, 0x22U };
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const unsigned char DTMF_VD2_SYMC[] = { 0x11U, 0x11U, 0x22U, 0x02U, 0x11U, 0x00U, 0x10U, 0x11U, 0x22U, 0x62U, 0x04U };
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const unsigned char DTMF_VD2_SYMD[] = { 0x11U, 0x10U, 0x20U, 0x20U, 0x11U, 0x01U, 0x10U, 0x10U, 0x22U, 0x62U, 0x04U };
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const unsigned char DTMF_VD2_SYMS[] = { 0x00U, 0x23U, 0x02U, 0x02U, 0x11U, 0x10U, 0x10U, 0x01U, 0x22U, 0x62U, 0x04U };
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const unsigned char DTMF_VD2_SYMH[] = { 0x00U, 0x22U, 0x00U, 0x20U, 0x11U, 0x11U, 0x10U, 0x00U, 0x22U, 0x62U, 0x04U };
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CDTMF::CDTMF() :
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m_data(),
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m_command(),
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m_pressed(false),
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m_releaseCount(0U),
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m_pressCount(0U),
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m_lastChar(' ')
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{
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}
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CDTMF::~CDTMF()
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{
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}
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WX_STATUS CDTMF::decodeVDMode2(const unsigned char* payload, bool end)
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{
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assert(payload != NULL);
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payload += YSF_SYNC_LENGTH_BYTES + YSF_FICH_LENGTH_BYTES;
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for (unsigned int offset = 5U; offset < 90U; offset += 18U) {
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WX_STATUS status = decodeVDMode2Slice(payload + offset, end);
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if (status != WXS_NONE)
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return status;
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}
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return WXS_NONE;
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}
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WX_STATUS CDTMF::decodeVDMode2Slice(const unsigned char* ambe, bool end)
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{
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// DTMF begins with these byte values
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if (!end && (ambe[0] & DTMF_VD2_MASK[0]) == DTMF_VD2_SIG[0] && (ambe[1] & DTMF_VD2_MASK[1]) == DTMF_VD2_SIG[1] &&
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(ambe[2] & DTMF_VD2_MASK[2]) == DTMF_VD2_SIG[2] && (ambe[3] & DTMF_VD2_MASK[3]) == DTMF_VD2_SIG[3] &&
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(ambe[4] & DTMF_VD2_MASK[4]) == DTMF_VD2_SIG[4] && (ambe[5] & DTMF_VD2_MASK[5]) == DTMF_VD2_SIG[5] &&
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(ambe[6] & DTMF_VD2_MASK[6]) == DTMF_VD2_SIG[6] && (ambe[7] & DTMF_VD2_MASK[7]) == DTMF_VD2_SIG[7] &&
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(ambe[8] & DTMF_VD2_MASK[8]) == DTMF_VD2_SIG[8] && (ambe[9] & DTMF_VD2_MASK[9]) == DTMF_VD2_SIG[9] &&
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(ambe[10] & DTMF_VD2_MASK[10]) == DTMF_VD2_SIG[10] && (ambe[11] & DTMF_VD2_MASK[11]) == DTMF_VD2_SIG[11] &&
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(ambe[12] & DTMF_VD2_MASK[12]) == DTMF_VD2_SIG[12]) {
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unsigned char sym0 = ambe[0] & DTMF_VD2_SYM_MASK[0];
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unsigned char sym1 = ambe[1] & DTMF_VD2_SYM_MASK[1];
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unsigned char sym2 = ambe[2] & DTMF_VD2_SYM_MASK[2];
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unsigned char sym3 = ambe[3] & DTMF_VD2_SYM_MASK[3];
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unsigned char sym4 = ambe[4] & DTMF_VD2_SYM_MASK[4];
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unsigned char sym5 = ambe[5] & DTMF_VD2_SYM_MASK[5];
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unsigned char sym6 = ambe[8] & DTMF_VD2_SYM_MASK[6];
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unsigned char sym7 = ambe[9] & DTMF_VD2_SYM_MASK[7];
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unsigned char sym8 = ambe[10] & DTMF_VD2_SYM_MASK[8];
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unsigned char sym9 = ambe[11] & DTMF_VD2_SYM_MASK[9];
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unsigned char sym10 = ambe[12] & DTMF_VD2_SYM_MASK[10];
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char c = ' ';
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if (sym0 == DTMF_VD2_SYM0[0] && sym1 == DTMF_VD2_SYM0[1] && sym2 == DTMF_VD2_SYM0[2] && sym3 == DTMF_VD2_SYM0[3] && sym4 == DTMF_VD2_SYM0[4] && sym5 == DTMF_VD2_SYM0[5] && sym6 == DTMF_VD2_SYM0[6] && sym7 == DTMF_VD2_SYM0[7] && sym8 == DTMF_VD2_SYM0[8] && sym9 == DTMF_VD2_SYM0[9] && sym10 == DTMF_VD2_SYM0[10])
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c = '0';
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else if (sym0 == DTMF_VD2_SYM1[0] && sym1 == DTMF_VD2_SYM1[1] && sym2 == DTMF_VD2_SYM1[2] && sym3 == DTMF_VD2_SYM1[3] && sym4 == DTMF_VD2_SYM1[4] && sym5 == DTMF_VD2_SYM1[5] && sym6 == DTMF_VD2_SYM1[6] && sym7 == DTMF_VD2_SYM1[7] && sym8 == DTMF_VD2_SYM1[8] && sym9 == DTMF_VD2_SYM1[9] && sym10 == DTMF_VD2_SYM1[10])
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c = '1';
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else if (sym0 == DTMF_VD2_SYM2[0] && sym1 == DTMF_VD2_SYM2[1] && sym2 == DTMF_VD2_SYM2[2] && sym3 == DTMF_VD2_SYM2[3] && sym4 == DTMF_VD2_SYM2[4] && sym5 == DTMF_VD2_SYM2[5] && sym6 == DTMF_VD2_SYM2[6] && sym7 == DTMF_VD2_SYM2[7] && sym8 == DTMF_VD2_SYM2[8] && sym9 == DTMF_VD2_SYM2[9] && sym10 == DTMF_VD2_SYM2[10])
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c = '2';
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else if (sym0 == DTMF_VD2_SYM3[0] && sym1 == DTMF_VD2_SYM3[1] && sym2 == DTMF_VD2_SYM3[2] && sym3 == DTMF_VD2_SYM3[3] && sym4 == DTMF_VD2_SYM3[4] && sym5 == DTMF_VD2_SYM3[5] && sym6 == DTMF_VD2_SYM3[6] && sym7 == DTMF_VD2_SYM3[7] && sym8 == DTMF_VD2_SYM3[8] && sym9 == DTMF_VD2_SYM3[9] && sym10 == DTMF_VD2_SYM3[10])
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c = '3';
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else if (sym0 == DTMF_VD2_SYM4[0] && sym1 == DTMF_VD2_SYM4[1] && sym2 == DTMF_VD2_SYM4[2] && sym3 == DTMF_VD2_SYM4[3] && sym4 == DTMF_VD2_SYM4[4] && sym5 == DTMF_VD2_SYM4[5] && sym6 == DTMF_VD2_SYM4[6] && sym7 == DTMF_VD2_SYM4[7] && sym8 == DTMF_VD2_SYM4[8] && sym9 == DTMF_VD2_SYM4[9] && sym10 == DTMF_VD2_SYM4[10])
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c = '4';
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else if (sym0 == DTMF_VD2_SYM5[0] && sym1 == DTMF_VD2_SYM5[1] && sym2 == DTMF_VD2_SYM5[2] && sym3 == DTMF_VD2_SYM5[3] && sym4 == DTMF_VD2_SYM5[4] && sym5 == DTMF_VD2_SYM5[5] && sym6 == DTMF_VD2_SYM5[6] && sym7 == DTMF_VD2_SYM5[7] && sym8 == DTMF_VD2_SYM5[8] && sym9 == DTMF_VD2_SYM5[9] && sym10 == DTMF_VD2_SYM5[10])
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c = '5';
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else if (sym0 == DTMF_VD2_SYM6[0] && sym1 == DTMF_VD2_SYM6[1] && sym2 == DTMF_VD2_SYM6[2] && sym3 == DTMF_VD2_SYM6[3] && sym4 == DTMF_VD2_SYM6[4] && sym5 == DTMF_VD2_SYM6[5] && sym6 == DTMF_VD2_SYM6[6] && sym7 == DTMF_VD2_SYM6[7] && sym8 == DTMF_VD2_SYM6[8] && sym9 == DTMF_VD2_SYM6[9] && sym10 == DTMF_VD2_SYM6[10])
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c = '6';
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else if (sym0 == DTMF_VD2_SYM7[0] && sym1 == DTMF_VD2_SYM7[1] && sym2 == DTMF_VD2_SYM7[2] && sym3 == DTMF_VD2_SYM7[3] && sym4 == DTMF_VD2_SYM7[4] && sym5 == DTMF_VD2_SYM7[5] && sym6 == DTMF_VD2_SYM7[6] && sym7 == DTMF_VD2_SYM7[7] && sym8 == DTMF_VD2_SYM7[8] && sym9 == DTMF_VD2_SYM7[9] && sym10 == DTMF_VD2_SYM7[10])
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c = '7';
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else if (sym0 == DTMF_VD2_SYM8[0] && sym1 == DTMF_VD2_SYM8[1] && sym2 == DTMF_VD2_SYM8[2] && sym3 == DTMF_VD2_SYM8[3] && sym4 == DTMF_VD2_SYM8[4] && sym5 == DTMF_VD2_SYM8[5] && sym6 == DTMF_VD2_SYM8[6] && sym7 == DTMF_VD2_SYM8[7] && sym8 == DTMF_VD2_SYM8[8] && sym9 == DTMF_VD2_SYM8[9] && sym10 == DTMF_VD2_SYM8[10])
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c = '8';
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else if (sym0 == DTMF_VD2_SYM9[0] && sym1 == DTMF_VD2_SYM9[1] && sym2 == DTMF_VD2_SYM9[2] && sym3 == DTMF_VD2_SYM9[3] && sym4 == DTMF_VD2_SYM9[4] && sym5 == DTMF_VD2_SYM9[5] && sym6 == DTMF_VD2_SYM9[6] && sym7 == DTMF_VD2_SYM9[7] && sym8 == DTMF_VD2_SYM9[8] && sym9 == DTMF_VD2_SYM9[9] && sym10 == DTMF_VD2_SYM9[10])
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c = '9';
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else if (sym0 == DTMF_VD2_SYMA[0] && sym1 == DTMF_VD2_SYMA[1] && sym2 == DTMF_VD2_SYMA[2] && sym3 == DTMF_VD2_SYMA[3] && sym4 == DTMF_VD2_SYMA[4] && sym5 == DTMF_VD2_SYMA[5] && sym6 == DTMF_VD2_SYMA[6] && sym7 == DTMF_VD2_SYMA[7] && sym8 == DTMF_VD2_SYMA[8] && sym9 == DTMF_VD2_SYMA[9] && sym10 == DTMF_VD2_SYMA[10])
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c = 'A';
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else if (sym0 == DTMF_VD2_SYMB[0] && sym1 == DTMF_VD2_SYMB[1] && sym2 == DTMF_VD2_SYMB[2] && sym3 == DTMF_VD2_SYMB[3] && sym4 == DTMF_VD2_SYMB[4] && sym5 == DTMF_VD2_SYMB[5] && sym6 == DTMF_VD2_SYMB[6] && sym7 == DTMF_VD2_SYMB[7] && sym8 == DTMF_VD2_SYMB[8] && sym9 == DTMF_VD2_SYMB[9] && sym10 == DTMF_VD2_SYMB[10])
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c = 'B';
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else if (sym0 == DTMF_VD2_SYMC[0] && sym1 == DTMF_VD2_SYMC[1] && sym2 == DTMF_VD2_SYMC[2] && sym3 == DTMF_VD2_SYMC[3] && sym4 == DTMF_VD2_SYMC[4] && sym5 == DTMF_VD2_SYMC[5] && sym6 == DTMF_VD2_SYMC[6] && sym7 == DTMF_VD2_SYMC[7] && sym8 == DTMF_VD2_SYMC[8] && sym9 == DTMF_VD2_SYMC[9] && sym10 == DTMF_VD2_SYMC[10])
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c = 'C';
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else if (sym0 == DTMF_VD2_SYMD[0] && sym1 == DTMF_VD2_SYMD[1] && sym2 == DTMF_VD2_SYMD[2] && sym3 == DTMF_VD2_SYMD[3] && sym4 == DTMF_VD2_SYMD[4] && sym5 == DTMF_VD2_SYMD[5] && sym6 == DTMF_VD2_SYMD[6] && sym7 == DTMF_VD2_SYMD[7] && sym8 == DTMF_VD2_SYMD[8] && sym9 == DTMF_VD2_SYMD[9] && sym10 == DTMF_VD2_SYMD[10])
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c = 'D';
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else if (sym0 == DTMF_VD2_SYMS[0] && sym1 == DTMF_VD2_SYMS[1] && sym2 == DTMF_VD2_SYMS[2] && sym3 == DTMF_VD2_SYMS[3] && sym4 == DTMF_VD2_SYMS[4] && sym5 == DTMF_VD2_SYMS[5] && sym6 == DTMF_VD2_SYMS[6] && sym7 == DTMF_VD2_SYMS[7] && sym8 == DTMF_VD2_SYMS[8] && sym9 == DTMF_VD2_SYMS[9] && sym10 == DTMF_VD2_SYMS[10])
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c = '*';
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else if (sym0 == DTMF_VD2_SYMH[0] && sym1 == DTMF_VD2_SYMH[1] && sym2 == DTMF_VD2_SYMH[2] && sym3 == DTMF_VD2_SYMH[3] && sym4 == DTMF_VD2_SYMH[4] && sym5 == DTMF_VD2_SYMH[5] && sym6 == DTMF_VD2_SYMH[6] && sym7 == DTMF_VD2_SYMH[7] && sym8 == DTMF_VD2_SYMH[8] && sym9 == DTMF_VD2_SYMH[9] && sym10 == DTMF_VD2_SYMH[10])
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c = '#';
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if (c == m_lastChar) {
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m_pressCount++;
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} else {
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m_lastChar = c;
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m_pressCount = 0U;
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}
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if (c != ' ' && !m_pressed && m_pressCount >= 3U) {
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m_data += c;
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m_releaseCount = 0U;
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m_pressed = true;
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}
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return validate();
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} else {
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// If it is not a DTMF Code
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if ((end || m_releaseCount >= 100U) && m_data.length() > 0U) {
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m_command = m_data;
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m_data.clear();
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m_releaseCount = 0U;
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}
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m_pressed = false;
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m_releaseCount++;
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m_pressCount = 0U;
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m_lastChar = ' ';
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return validate();
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}
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}
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WX_STATUS CDTMF::validate() const
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{
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if (m_command.length() != 6U)
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return WXS_NONE;
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if (m_command.at(0U) != '#')
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return WXS_NONE;
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for (unsigned int i = 1U; i <= 6U; i++) {
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if (m_command.at(1U) < '0' || m_command.at(1U) > '9')
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return WXS_NONE;
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}
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if (m_command == "#99999")
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return WXS_DISCONNECT;
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return WXS_CONNECT;
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}
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unsigned int CDTMF::getDstID()
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{
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std::string command = m_command;
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reset();
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std::string id = command.substr(1U);
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return atoi(id.c_str());
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}
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void CDTMF::reset()
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{
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m_data.clear();
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m_command.clear();
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m_pressed = false;
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m_pressCount = 0U;
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m_releaseCount = 0U;
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m_lastChar = ' ';
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}
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