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Add the D-Star DTM code.

ycs232-kbc
Jonathan Naylor 7 years ago
parent 2e4aa40dd5
commit d92a894cd5

@ -0,0 +1,160 @@
/*
* Copyright (C) 2012,2013,2015,2017 by Jonathan Naylor G4KLX
* Copyright (C) 2011 by DV Developer Group. DJ0ABR
*
* 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 "DTMF.h"
const unsigned char DTMF_MASK[] = {0x82U, 0x08U, 0x20U, 0x82U, 0x00U, 0x00U, 0x82U, 0x00U, 0x00U};
const unsigned char DTMF_SIG[] = {0x82U, 0x08U, 0x20U, 0x82U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U};
const unsigned char DTMF_SYM_MASK[] = {0x10U, 0x40U, 0x08U, 0x20U};
const unsigned char DTMF_SYM0[] = {0x00U, 0x40U, 0x08U, 0x20U};
const unsigned char DTMF_SYM1[] = {0x00U, 0x00U, 0x00U, 0x00U};
const unsigned char DTMF_SYM2[] = {0x00U, 0x40U, 0x00U, 0x00U};
const unsigned char DTMF_SYM3[] = {0x10U, 0x00U, 0x00U, 0x00U};
const unsigned char DTMF_SYM4[] = {0x00U, 0x00U, 0x00U, 0x20U};
const unsigned char DTMF_SYM5[] = {0x00U, 0x40U, 0x00U, 0x20U};
const unsigned char DTMF_SYM6[] = {0x10U, 0x00U, 0x00U, 0x20U};
const unsigned char DTMF_SYM7[] = {0x00U, 0x00U, 0x08U, 0x00U};
const unsigned char DTMF_SYM8[] = {0x00U, 0x40U, 0x08U, 0x00U};
const unsigned char DTMF_SYM9[] = {0x10U, 0x00U, 0x08U, 0x00U};
const unsigned char DTMF_SYMA[] = {0x10U, 0x40U, 0x00U, 0x00U};
const unsigned char DTMF_SYMB[] = {0x10U, 0x40U, 0x00U, 0x20U};
const unsigned char DTMF_SYMC[] = {0x10U, 0x40U, 0x08U, 0x00U};
const unsigned char DTMF_SYMD[] = {0x10U, 0x40U, 0x08U, 0x20U};
const unsigned char DTMF_SYMS[] = {0x00U, 0x00U, 0x08U, 0x20U};
const unsigned char DTMF_SYMH[] = {0x10U, 0x00U, 0x08U, 0x20U};
CDTMF::CDTMF() :
m_data(),
m_command(),
m_pressed(false),
m_releaseCount(0U),
m_pressCount(0U),
m_lastChar(' ')
{
}
CDTMF::~CDTMF()
{
}
bool CDTMF::decode(const unsigned char* ambe, bool end)
{
// DTMF begins with these byte values
if (!end && (ambe[0] & DTMF_MASK[0]) == DTMF_SIG[0] && (ambe[1] & DTMF_MASK[1]) == DTMF_SIG[1] &&
(ambe[2] & DTMF_MASK[2]) == DTMF_SIG[2] && (ambe[3] & DTMF_MASK[3]) == DTMF_SIG[3] &&
(ambe[4] & DTMF_MASK[4]) == DTMF_SIG[4] && (ambe[5] & DTMF_MASK[5]) == DTMF_SIG[5] &&
(ambe[6] & DTMF_MASK[6]) == DTMF_SIG[6] && (ambe[7] & DTMF_MASK[7]) == DTMF_SIG[7] &&
(ambe[8] & DTMF_MASK[8]) == DTMF_SIG[8]) {
unsigned char sym0 = ambe[4] & DTMF_SYM_MASK[0];
unsigned char sym1 = ambe[5] & DTMF_SYM_MASK[1];
unsigned char sym2 = ambe[7] & DTMF_SYM_MASK[2];
unsigned char sym3 = ambe[8] & DTMF_SYM_MASK[3];
char c = ' ';
if (sym0 == DTMF_SYM0[0] && sym1 == DTMF_SYM0[1] && sym2 == DTMF_SYM0[2] && sym3 == DTMF_SYM0[3])
c = '0';
else if (sym0 == DTMF_SYM1[0] && sym1 == DTMF_SYM1[1] && sym2 == DTMF_SYM1[2] && sym3 == DTMF_SYM1[3])
c = '1';
else if (sym0 == DTMF_SYM2[0] && sym1 == DTMF_SYM2[1] && sym2 == DTMF_SYM2[2] && sym3 == DTMF_SYM2[3])
c = '2';
else if (sym0 == DTMF_SYM3[0] && sym1 == DTMF_SYM3[1] && sym2 == DTMF_SYM3[2] && sym3 == DTMF_SYM3[3])
c = '3';
else if (sym0 == DTMF_SYM4[0] && sym1 == DTMF_SYM4[1] && sym2 == DTMF_SYM4[2] && sym3 == DTMF_SYM4[3])
c = '4';
else if (sym0 == DTMF_SYM5[0] && sym1 == DTMF_SYM5[1] && sym2 == DTMF_SYM5[2] && sym3 == DTMF_SYM5[3])
c = '5';
else if (sym0 == DTMF_SYM6[0] && sym1 == DTMF_SYM6[1] && sym2 == DTMF_SYM6[2] && sym3 == DTMF_SYM6[3])
c = '6';
else if (sym0 == DTMF_SYM7[0] && sym1 == DTMF_SYM7[1] && sym2 == DTMF_SYM7[2] && sym3 == DTMF_SYM7[3])
c = '7';
else if (sym0 == DTMF_SYM8[0] && sym1 == DTMF_SYM8[1] && sym2 == DTMF_SYM8[2] && sym3 == DTMF_SYM8[3])
c = '8';
else if (sym0 == DTMF_SYM9[0] && sym1 == DTMF_SYM9[1] && sym2 == DTMF_SYM9[2] && sym3 == DTMF_SYM9[3])
c = '9';
else if (sym0 == DTMF_SYMA[0] && sym1 == DTMF_SYMA[1] && sym2 == DTMF_SYMA[2] && sym3 == DTMF_SYMA[3])
c = 'A';
else if (sym0 == DTMF_SYMB[0] && sym1 == DTMF_SYMB[1] && sym2 == DTMF_SYMB[2] && sym3 == DTMF_SYMB[3])
c = 'B';
else if (sym0 == DTMF_SYMC[0] && sym1 == DTMF_SYMC[1] && sym2 == DTMF_SYMC[2] && sym3 == DTMF_SYMC[3])
c = 'C';
else if (sym0 == DTMF_SYMD[0] && sym1 == DTMF_SYMD[1] && sym2 == DTMF_SYMD[2] && sym3 == DTMF_SYMD[3])
c = 'D';
else if (sym0 == DTMF_SYMS[0] && sym1 == DTMF_SYMS[1] && sym2 == DTMF_SYMS[2] && sym3 == DTMF_SYMS[3])
c = '*';
else if (sym0 == DTMF_SYMH[0] && sym1 == DTMF_SYMH[1] && sym2 == DTMF_SYMH[2] && sym3 == DTMF_SYMH[3])
c = '#';
if (c == m_lastChar) {
m_pressCount++;
} else {
m_lastChar = c;
m_pressCount = 0U;
}
if (c != ' ' && !m_pressed && m_pressCount >= 3U) {
m_data += c;
m_releaseCount = 0U;
m_pressed = true;
}
return c != ' ';
} else {
// If it is not a DTMF Code
if ((end || m_releaseCount >= 100U) && m_data.length() > 0U) {
m_command = m_data;
m_data.clear();
m_releaseCount = 0U;
}
m_pressed = false;
m_releaseCount++;
m_pressCount = 0U;
m_lastChar = ' ';
return false;
}
}
bool CDTMF::hasCommand() const
{
return !m_command.empty();
}
// DTMF to YOUR call command
std::string CDTMF::translate()
{
std::string command = m_command;
m_command.clear();
if (command.at(0U) == '#')
return command;
return "";
}
void CDTMF::reset()
{
m_data.clear();
m_command.clear();
m_pressed = false;
m_pressCount = 0U;
m_releaseCount = 0U;
m_lastChar = ' ';
}

@ -0,0 +1,46 @@
/*
* Copyright (C) 2012,2013,2017 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 DTMF_H
#define DTMF_H
#include <string>
class CDTMF {
public:
CDTMF();
~CDTMF();
bool decode(const unsigned char* ambe, bool end);
bool hasCommand() const;
std::string translate();
void reset();
private:
std::string m_data;
std::string m_command;
bool m_pressed;
unsigned int m_releaseCount;
unsigned int m_pressCount;
char m_lastChar;
};
#endif
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