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https://github.com/g4klx/ircDDBGateway.git
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Initial commit.
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Jonathan Naylor
commit
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430 changed files with 72067 additions and 0 deletions
317
Common/DTMF.cpp
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317
Common/DTMF.cpp
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/*
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* Copyright (C) 2012,2013,2015 by Jonathan Naylor G4KLX
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* Copyright (C) 2011 by DV Developer Group. DJ0ABR
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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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const unsigned char DTMF_MASK[] = {0x82U, 0x08U, 0x20U, 0x82U, 0x00U, 0x00U, 0x82U, 0x00U, 0x00U};
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const unsigned char DTMF_SIG[] = {0x82U, 0x08U, 0x20U, 0x82U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U};
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const unsigned char DTMF_SYM_MASK[] = {0x10U, 0x40U, 0x08U, 0x20U};
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const unsigned char DTMF_SYM0[] = {0x00U, 0x40U, 0x08U, 0x20U};
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const unsigned char DTMF_SYM1[] = {0x00U, 0x00U, 0x00U, 0x00U};
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const unsigned char DTMF_SYM2[] = {0x00U, 0x40U, 0x00U, 0x00U};
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const unsigned char DTMF_SYM3[] = {0x10U, 0x00U, 0x00U, 0x00U};
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const unsigned char DTMF_SYM4[] = {0x00U, 0x00U, 0x00U, 0x20U};
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const unsigned char DTMF_SYM5[] = {0x00U, 0x40U, 0x00U, 0x20U};
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const unsigned char DTMF_SYM6[] = {0x10U, 0x00U, 0x00U, 0x20U};
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const unsigned char DTMF_SYM7[] = {0x00U, 0x00U, 0x08U, 0x00U};
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const unsigned char DTMF_SYM8[] = {0x00U, 0x40U, 0x08U, 0x00U};
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const unsigned char DTMF_SYM9[] = {0x10U, 0x00U, 0x08U, 0x00U};
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const unsigned char DTMF_SYMA[] = {0x10U, 0x40U, 0x00U, 0x00U};
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const unsigned char DTMF_SYMB[] = {0x10U, 0x40U, 0x00U, 0x20U};
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const unsigned char DTMF_SYMC[] = {0x10U, 0x40U, 0x08U, 0x00U};
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const unsigned char DTMF_SYMD[] = {0x10U, 0x40U, 0x08U, 0x20U};
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const unsigned char DTMF_SYMS[] = {0x00U, 0x00U, 0x08U, 0x20U};
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const unsigned char DTMF_SYMH[] = {0x10U, 0x00U, 0x08U, 0x20U};
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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(wxT(' '))
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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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bool CDTMF::decode(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_MASK[0]) == DTMF_SIG[0] && (ambe[1] & DTMF_MASK[1]) == DTMF_SIG[1] &&
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(ambe[2] & DTMF_MASK[2]) == DTMF_SIG[2] && (ambe[3] & DTMF_MASK[3]) == DTMF_SIG[3] &&
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(ambe[4] & DTMF_MASK[4]) == DTMF_SIG[4] && (ambe[5] & DTMF_MASK[5]) == DTMF_SIG[5] &&
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(ambe[6] & DTMF_MASK[6]) == DTMF_SIG[6] && (ambe[7] & DTMF_MASK[7]) == DTMF_SIG[7] &&
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(ambe[8] & DTMF_MASK[8]) == DTMF_SIG[8]) {
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unsigned char sym0 = ambe[4] & DTMF_SYM_MASK[0];
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unsigned char sym1 = ambe[5] & DTMF_SYM_MASK[1];
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unsigned char sym2 = ambe[7] & DTMF_SYM_MASK[2];
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unsigned char sym3 = ambe[8] & DTMF_SYM_MASK[3];
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wxChar c = wxT(' ');
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if (sym0 == DTMF_SYM0[0] && sym1 == DTMF_SYM0[1] && sym2 == DTMF_SYM0[2] && sym3 == DTMF_SYM0[3])
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c = wxT('0');
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else if (sym0 == DTMF_SYM1[0] && sym1 == DTMF_SYM1[1] && sym2 == DTMF_SYM1[2] && sym3 == DTMF_SYM1[3])
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c = wxT('1');
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else if (sym0 == DTMF_SYM2[0] && sym1 == DTMF_SYM2[1] && sym2 == DTMF_SYM2[2] && sym3 == DTMF_SYM2[3])
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c = wxT('2');
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else if (sym0 == DTMF_SYM3[0] && sym1 == DTMF_SYM3[1] && sym2 == DTMF_SYM3[2] && sym3 == DTMF_SYM3[3])
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c = wxT('3');
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else if (sym0 == DTMF_SYM4[0] && sym1 == DTMF_SYM4[1] && sym2 == DTMF_SYM4[2] && sym3 == DTMF_SYM4[3])
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c = wxT('4');
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else if (sym0 == DTMF_SYM5[0] && sym1 == DTMF_SYM5[1] && sym2 == DTMF_SYM5[2] && sym3 == DTMF_SYM5[3])
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c = wxT('5');
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else if (sym0 == DTMF_SYM6[0] && sym1 == DTMF_SYM6[1] && sym2 == DTMF_SYM6[2] && sym3 == DTMF_SYM6[3])
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c = wxT('6');
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else if (sym0 == DTMF_SYM7[0] && sym1 == DTMF_SYM7[1] && sym2 == DTMF_SYM7[2] && sym3 == DTMF_SYM7[3])
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c = wxT('7');
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else if (sym0 == DTMF_SYM8[0] && sym1 == DTMF_SYM8[1] && sym2 == DTMF_SYM8[2] && sym3 == DTMF_SYM8[3])
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c = wxT('8');
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else if (sym0 == DTMF_SYM9[0] && sym1 == DTMF_SYM9[1] && sym2 == DTMF_SYM9[2] && sym3 == DTMF_SYM9[3])
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c = wxT('9');
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else if (sym0 == DTMF_SYMA[0] && sym1 == DTMF_SYMA[1] && sym2 == DTMF_SYMA[2] && sym3 == DTMF_SYMA[3])
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c = wxT('A');
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else if (sym0 == DTMF_SYMB[0] && sym1 == DTMF_SYMB[1] && sym2 == DTMF_SYMB[2] && sym3 == DTMF_SYMB[3])
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c = wxT('B');
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else if (sym0 == DTMF_SYMC[0] && sym1 == DTMF_SYMC[1] && sym2 == DTMF_SYMC[2] && sym3 == DTMF_SYMC[3])
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c = wxT('C');
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else if (sym0 == DTMF_SYMD[0] && sym1 == DTMF_SYMD[1] && sym2 == DTMF_SYMD[2] && sym3 == DTMF_SYMD[3])
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c = wxT('D');
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else if (sym0 == DTMF_SYMS[0] && sym1 == DTMF_SYMS[1] && sym2 == DTMF_SYMS[2] && sym3 == DTMF_SYMS[3])
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c = wxT('*');
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else if (sym0 == DTMF_SYMH[0] && sym1 == DTMF_SYMH[1] && sym2 == DTMF_SYMH[2] && sym3 == DTMF_SYMH[3])
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c = wxT('#');
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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 != wxT(' ') && !m_pressed && m_pressCount >= 3U) {
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m_data.Append(c);
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m_releaseCount = 0U;
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m_pressed = true;
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}
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return c != wxT(' ');
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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.Len() > 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 = wxT(' ');
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return false;
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}
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}
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bool CDTMF::hasCommand() const
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{
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return !m_command.IsEmpty();
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}
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// DTMF to YOUR call command
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wxString CDTMF::translate()
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{
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wxString command = m_command;
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m_command.Clear();
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if (command.IsEmpty())
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return wxEmptyString;
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if (command.IsSameAs(wxT("#")))
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return wxT(" U");
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if (command.IsSameAs(wxT("0")))
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return wxT(" I");
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if (command.IsSameAs(wxT("A")))
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return wxT("CA ");
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if (command.IsSameAs(wxT("00")))
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return wxT(" I");
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if (command.IsSameAs(wxT("**")))
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return wxT(" L");
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if (command.GetChar(0U) == wxT('*'))
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return processReflector(wxT("REF"), command.Mid(1U));
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else if (command.GetChar(0U) == wxT('B'))
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return processReflector(wxT("XRF"), command.Mid(1U));
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else if (command.GetChar(0U) == wxT('D'))
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return processReflector(wxT("DCS"), command.Mid(1U));
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else
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return processCCS(command);
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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 = wxT(' ');
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}
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wxString CDTMF::processReflector(const wxString& prefix, const wxString& command) const
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{
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unsigned int len = command.Len();
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wxChar c = command.GetChar(len - 1U);
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if (c == wxT('A') || c == wxT('B') || c == wxT('C') || c == wxT('D')) {
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if (len < 2U || len > 4U)
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return wxEmptyString;
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unsigned long n;
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command.Left(len - 1U).ToULong(&n);
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if (n == 0UL)
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return wxEmptyString;
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wxString out;
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out.Printf(wxT("%s%03lu%cL"), prefix.c_str(), n, c);
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return out;
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} else {
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if (len < 3U || len > 5U)
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return wxEmptyString;
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unsigned long n1;
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command.Left(len - 2U).ToULong(&n1);
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if (n1 == 0UL)
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return wxEmptyString;
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unsigned long n2;
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command.Right(2U).ToULong(&n2);
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if (n2 == 0UL || n2 > 26UL)
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return wxEmptyString;
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c = wxT('A') + n2 - 1UL;
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wxString out;
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out.Printf(wxT("%s%03lu%cL"), prefix.c_str(), n1, c);
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return out;
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}
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}
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wxString CDTMF::processCCS(const wxString& command) const
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{
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unsigned int len = command.Len();
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wxString out = wxEmptyString;
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switch (len) {
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case 3U: {
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// CCS7 for local repeater without band
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unsigned long n;
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command.ToULong(&n);
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if (n == 0UL)
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return wxEmptyString;
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out.Printf(wxT("C%03lu "), n);
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}
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break;
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case 4U: {
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wxChar c = command.GetChar(3U);
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if (c == wxT('A') || c == wxT('B') || c == wxT('C') || c == wxT('D')) {
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// CCS7 for local repeater with band
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unsigned long n;
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command.Mid(0U, 3U).ToULong(&n);
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if (n == 0UL)
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return wxEmptyString;
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out.Printf(wxT("C%03lu%c "), n, c);
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} else {
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// CCS7 for local user
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unsigned long n;
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command.ToULong(&n);
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if (n == 0UL)
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return wxEmptyString;
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out.Printf(wxT("C%04lu "), n);
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}
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}
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break;
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case 5U: {
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wxChar c = command.GetChar(4U);
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if (c == wxT('A') || c == wxT('B') || c == wxT('C') || c == wxT('D')) {
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// CCS7 for local hostspot with band
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unsigned long n;
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command.Mid(0U, 4U).ToULong(&n);
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if (n == 0UL)
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return wxEmptyString;
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out.Printf(wxT("C%04lu%c "), n, c);
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}
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}
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break;
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case 6U: {
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// CCS7 for full repeater without band
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unsigned long n;
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command.ToULong(&n);
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if (n == 0UL)
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return wxEmptyString;
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out.Printf(wxT("C%06lu "), n);
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}
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break;
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case 7U: {
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wxChar c = command.GetChar(6U);
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if (c == wxT('A') || c == wxT('B') || c == wxT('C') || c == wxT('D')) {
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// CCS7 for full repeater with band
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unsigned long n;
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command.Mid(0U, 6U).ToULong(&n);
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if (n == 0UL)
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return wxEmptyString;
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out.Printf(wxT("C%06lu%c"), n, c);
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} else {
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// CCS7 for full user or CCS7 for full hostpot without band
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unsigned long n;
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command.ToULong(&n);
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if (n == 0UL)
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return wxEmptyString;
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out.Printf(wxT("C%07lu"), n);
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}
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}
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break;
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case 8U: {
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wxChar c = command.GetChar(7U);
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if (c == wxT('A') || c == wxT('B') || c == wxT('C') || c == wxT('D')) {
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// CCS7 for full hotspot with band
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unsigned long n;
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command.Mid(0U, 7U).ToULong(&n);
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if (n == 0UL)
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return wxEmptyString;
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out.Printf(wxT("C%07lu%c"), n, c);
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}
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}
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break;
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default:
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break;
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}
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return out;
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}
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