bool CYSFControl::writeModem(unsigned char *data, unsigned int len)
{
assert(data != NULL);
unsigned char type = data[0U];
if (type == TAG_LOST && m_rfState == RS_RF_AUDIO) {
LogMessage("YSF, transmission lost, %.1f seconds, BER: %.1f%%", float(m_rfFrames) / 10.0F, float(m_rfErrs * 100U) / float(m_rfBits));
writeEndRF();
return false;
}
if (type == TAG_LOST)
return false;
CYSFFICH fich;
bool valid = fich.decode(data + 2U);
if (valid && m_rfState == RS_RF_LISTENING) {
unsigned char fi = fich.getFI();
if (fi == YSF_FI_TERMINATOR)
return false;
m_rfFrames = 0U;
m_rfErrs = 0U;
m_rfBits = 1U;
m_rfTimeoutTimer.start();
m_rfPayload.reset();
m_rfState = RS_RF_AUDIO;
#if defined(DUMP_YSF)
openFile();
#endif
}
if (m_rfState != RS_RF_AUDIO)
return false;
if (valid)
m_lastMR = fich.getMR();
// Stop repeater packets coming through, unless we're acting as a remote gateway
if (m_remoteGateway) {
if (m_lastMR != YSF_MR_BUSY)
return false;
} else {
if (m_lastMR == YSF_MR_BUSY)
return false;
}
unsigned char fi = fich.getFI();
if (valid && fi == YSF_FI_HEADER) {
CSync::addYSFSync(data + 2U);
// LogDebug("YSF, FICH: FI: %u, DT: %u, FN: %u, FT: %u", fich.getFI(), fich.getDT(), fich.getFN(), fich.getFT());
valid = m_rfPayload.processHeaderData(data + 2U);
if (valid)
m_rfSource = m_rfPayload.getSource();
unsigned char cm = fich.getCM();
if (cm == YSF_CM_GROUP) {
m_rfDest = (unsigned char*)"ALL ";
} else {
if (valid)
m_rfDest = m_rfPayload.getDest();
}
if (m_rfSource != NULL && m_rfDest != NULL) {
m_display->writeFusion((char*)m_rfSource, (char*)m_rfDest, "R", " ");
LogMessage("YSF, received RF header from %10.10s to %10.10s", m_rfSource, m_rfDest);
} else if (m_rfSource == NULL && m_rfDest != NULL) {
m_display->writeFusion("??????????", (char*)m_rfDest, "R", " ");
LogMessage("YSF, received RF header from ?????????? to %10.10s", m_rfDest);
} else if (m_rfSource != NULL && m_rfDest == NULL) {
m_display->writeFusion((char*)m_rfSource, "??????????", "R", " ");
LogMessage("YSF, received RF header from %10.10s to ??????????", m_rfSource);
} else {
m_display->writeFusion("??????????", "??????????", "R", " ");
LogMessage("YSF, received RF header from ?????????? to ??????????");
}
data[0U] = TAG_DATA;
data[1U] = 0x00U;
writeNetwork(data, m_rfFrames % 128U);
#if defined(DUMP_YSF)
writeFile(data + 2U);
#endif
if (m_duplex) {
fich.setMR(m_remoteGateway ? YSF_MR_NOT_BUSY : YSF_MR_BUSY);
fich.encode(data + 2U);
writeQueueRF(data);
}
m_rfFrames++;
} else if (valid && fi == YSF_FI_TERMINATOR) {
CSync::addYSFSync(data + 2U);
// LogDebug("YSF, FICH: FI: %u, DT: %u, FN: %u, FT: %u", fich.getFI(), fich.getDT(), fich.getFN(), fich.getFT());
m_rfPayload.processHeaderData(data + 2U);
data[0U] = TAG_EOT;
data[1U] = 0x00U;
writeNetwork(data, m_rfFrames % 128U);
#if defined(DUMP_YSF)
writeFile(data + 2U);
#endif
if (m_duplex) {
fich.setMR(m_remoteGateway ? YSF_MR_NOT_BUSY : YSF_MR_BUSY);
fich.encode(data + 2U);
writeQueueRF(data);
}
m_rfFrames++;
LogMessage("YSF, received RF end of transmission, %.1f seconds, BER: %.1f%%", float(m_rfFrames) / 10.0F, float(m_rfErrs * 100U) / float(m_rfBits));
writeEndRF();
return false;
} else if (valid) {
CSync::addYSFSync(data + 2U);
unsigned char bn = fich.getBN();
unsigned char bt = fich.getBT();
unsigned char fn = fich.getFN();
unsigned char ft = fich.getFT();
unsigned char dt = fich.getDT();
// LogDebug("YSF, FICH: FI: %u, DT: %u, FN: %u, FT: %u", fich.getFI(), fich.getDT(), fich.getFN(), fich.getFT());
switch (dt) {
case YSF_DT_VD_MODE1: {
valid = m_rfPayload.processVDMode1Data(data + 2U, fn);
unsigned int errors = m_rfPayload.processVDMode1Audio(data + 2U);
m_rfErrs += errors;
m_rfBits += 235U;
LogDebug("YSF, V/D Mode 1, seq %u, AMBE FEC %u/235 (%.1f%%)", m_rfFrames % 128, errors, float(errors) / 2.35F);
}
break;
case YSF_DT_VD_MODE2: {
valid = m_rfPayload.processVDMode2Data(data + 2U, fn);
unsigned int errors = m_rfPayload.processVDMode2Audio(data + 2U);
m_rfErrs += errors;
m_rfBits += 135U;
LogDebug("YSF, V/D Mode 2, seq %u, Repetition FEC %u/135 (%.1f%%)", m_rfFrames % 128, errors, float(errors) / 1.35F);
}
break;
case YSF_DT_DATA_FR_MODE:
LogDebug("YSF, RF data FICH B=%u/%u F=%u/%u", bn, bt, fn, ft);
valid = m_rfPayload.processDataFRModeData(data + 2U, fn);
break;
case YSF_DT_VOICE_FR_MODE:
if (fn != 0U || ft != 1U) {
// The first packet after the header is odd, don't try and regenerate it
unsigned int errors = m_rfPayload.processVoiceFRModeAudio(data + 2U);
m_rfErrs += errors;
m_rfBits += 720U;
LogDebug("YSF, V Mode 3, seq %u, AMBE FEC %u/720 (%.1f%%)", m_rfFrames % 128, errors, float(errors) / 7.2F);
}
valid = false;
break;
default:
break;
}
bool change = false;
if (m_rfDest == NULL) {
unsigned char cm = fich.getCM();
if (cm == YSF_CM_GROUP) {
m_rfDest = (unsigned char*)"ALL ";
change = true;
} else if (valid) {
m_rfDest = m_rfPayload.getDest();
if (m_rfDest != NULL)
change = true;
}
}
if (valid && m_rfSource == NULL) {
m_rfSource = m_rfPayload.getSource();
if (m_rfSource != NULL)
change = true;
}
if (change) {
if (m_rfSource != NULL && m_rfDest != NULL) {
m_display->writeFusion((char*)m_rfSource, (char*)m_rfDest, "R", " ");
LogMessage("YSF, received RF data from %10.10s to %10.10s", m_rfSource, m_rfDest);
}
if (m_rfSource != NULL && m_rfDest == NULL) {
m_display->writeFusion((char*)m_rfSource, "??????????", "R", " ");
LogMessage("YSF, received RF data from %10.10s to ??????????", m_rfSource);
}
if (m_rfSource == NULL && m_rfDest != NULL) {
m_display->writeFusion("??????????", (char*)m_rfDest, "R", " ");
LogMessage("YSF, received RF data from ?????????? to %10.10s", m_rfDest);
}
}
data[0U] = TAG_DATA;
data[1U] = 0x00U;
writeNetwork(data, m_rfFrames % 128U);
if (m_duplex) {
fich.setMR(m_remoteGateway ? YSF_MR_NOT_BUSY : YSF_MR_BUSY);
fich.encode(data + 2U);
writeQueueRF(data);
}
#if defined(DUMP_YSF)
writeFile(data + 2U);
#endif
m_rfFrames++;
} else {
CSync::addYSFSync(data + 2U);
data[0U] = TAG_DATA;
data[1U] = 0x00U;
writeNetwork(data, m_rfFrames % 128U);
if (m_duplex)
writeQueueRF(data);
#if defined(DUMP_YSF)
writeFile(data + 2U);
#endif
m_rfFrames++;
}
return true;
}
bool CYSFControl::writeModem(unsigned char *data)
{
assert(data != NULL);
unsigned char type = data[0U];
if (type == TAG_LOST && m_rfState == RS_RF_AUDIO) {
LogMessage("YSF, transmission lost, %.1f seconds, BER: %.1f%%", float(m_rfFrames) / 10.0F, float(m_rfErrs * 100U) / float(m_rfBits));
writeEndRF();
return false;
}
if (type == TAG_LOST)
return false;
CYSFFICH fich;
bool valid = fich.decode(data + 2U);
if (valid && m_rfState == RS_RF_LISTENING) {
unsigned char fi = fich.getFI();
if (fi == YSF_FI_TERMINATOR)
return false;
m_holdoffTimer.stop();
m_rfFrames = 0U;
m_rfErrs = 0U;
m_rfBits = 1U;
m_rfTimeoutTimer.start();
m_rfPayload.reset();
m_rfState = RS_RF_AUDIO;
#if defined(DUMP_YSF)
openFile();
#endif
}
if (m_rfState != RS_RF_AUDIO)
return false;
unsigned char fi = fich.getFI();
if (valid && fi == YSF_FI_HEADER) {
CSync::addYSFSync(data + 2U);
// LogDebug("YSF, FICH: FI: %u, DT: %u, FN: %u, FT: %u", fich.getFI(), fich.getDT(), fich.getFN(), fich.getFT());
m_rfFrames++;
valid = m_rfPayload.processHeaderData(data + 2U);
if (valid)
m_rfSource = m_rfPayload.getSource();
unsigned char cm = fich.getCM();
if (cm == YSF_CM_GROUP) {
m_rfDest = (unsigned char*)"ALL ";
} else {
if (valid)
m_rfDest = m_rfPayload.getDest();
}
if (m_rfSource != NULL && m_rfDest != NULL) {
m_display->writeFusion((char*)m_rfSource, (char*)m_rfDest, "R", " ");
LogMessage("YSF, received RF header from %10.10s to %10.10s", m_rfSource, m_rfDest);
} else if (m_rfSource == NULL && m_rfDest != NULL) {
m_display->writeFusion("??????????", (char*)m_rfDest, "R", " ");
LogMessage("YSF, received RF header from ?????????? to %10.10s", m_rfDest);
} else if (m_rfSource != NULL && m_rfDest == NULL) {
m_display->writeFusion((char*)m_rfSource, "??????????", "R", " ");
LogMessage("YSF, received RF header from %10.10s to ??????????", m_rfSource);
} else {
m_display->writeFusion("??????????", "??????????", "R", " ");
LogMessage("YSF, received RF header from ?????????? to ??????????");
}
data[0U] = TAG_DATA;
data[1U] = 0x00U;
writeNetwork(data);
#if defined(DUMP_YSF)
writeFile(data + 2U);
#endif
if (m_duplex) {
fich.setMR(YSF_MR_BUSY);
fich.encode(data + 2U);
writeQueueRF(data);
}
} else if (valid && fi == YSF_FI_TERMINATOR) {
CSync::addYSFSync(data + 2U);
// LogDebug("YSF, FICH: FI: %u, DT: %u, FN: %u, FT: %u", fich.getFI(), fich.getDT(), fich.getFN(), fich.getFT());
m_rfFrames++;
m_rfPayload.processHeaderData(data + 2U);
data[0U] = TAG_EOT;
data[1U] = 0x00U;
writeNetwork(data);
#if defined(DUMP_YSF)
writeFile(data + 2U);
#endif
if (m_duplex) {
fich.setMR(YSF_MR_BUSY);
fich.encode(data + 2U);
writeQueueRF(data);
}
LogMessage("YSF, received RF end of transmission, %.1f seconds, BER: %.1f%%", float(m_rfFrames) / 10.0F, float(m_rfErrs * 100U) / float(m_rfBits));
writeEndRF();
return false;
} else if (valid) {
CSync::addYSFSync(data + 2U);
unsigned char fn = fich.getFN();
unsigned char ft = fich.getFT();
unsigned char dt = fich.getDT();
// LogDebug("YSF, FICH: FI: %u, DT: %u, FN: %u, FT: %u", fich.getFI(), fich.getDT(), fich.getFN(), fich.getFT());
m_rfFrames++;
switch (dt) {
case YSF_DT_VD_MODE1:
valid = m_rfPayload.processVDMode1Data(data + 2U, fn);
m_rfErrs += m_rfPayload.processVDMode1Audio(data + 2U);
m_rfBits += 235U;
break;
case YSF_DT_VD_MODE2:
valid = m_rfPayload.processVDMode2Data(data + 2U, fn);
m_rfErrs += m_rfPayload.processVDMode2Audio(data + 2U);
m_rfBits += 135U;
break;
case YSF_DT_DATA_FR_MODE:
valid = m_rfPayload.processDataFRModeData(data + 2U, fn);
break;
case YSF_DT_VOICE_FR_MODE:
if (fn != 0U || ft != 1U) {
// The first packet after the header is odd, don't try and regenerate it
m_rfErrs += m_rfPayload.processVoiceFRModeAudio(data + 2U);
m_rfBits += 720U;
}
valid = false;
break;
default:
break;
}
bool change = false;
if (m_rfDest == NULL) {
unsigned char cm = fich.getCM();
if (cm == YSF_CM_GROUP) {
m_rfDest = (unsigned char*)"ALL ";
change = true;
} else if (valid) {
m_rfDest = m_rfPayload.getDest();
if (m_rfDest != NULL)
change = true;
}
}
if (valid && m_rfSource == NULL) {
m_rfSource = m_rfPayload.getSource();
if (m_rfSource != NULL)
change = true;
}
if (change) {
if (m_rfSource != NULL && m_rfDest != NULL) {
m_display->writeFusion((char*)m_rfSource, (char*)m_rfDest, "R", " ");
LogMessage("YSF, received RF data from %10.10s to %10.10s", m_rfSource, m_rfDest);
}
if (m_rfSource != NULL && m_rfDest == NULL) {
m_display->writeFusion((char*)m_rfSource, "??????????", "R", " ");
LogMessage("YSF, received RF data from %10.10s to ??????????", m_rfSource);
}
if (m_rfSource == NULL && m_rfDest != NULL) {
m_display->writeFusion("??????????", (char*)m_rfDest, "R", " ");
LogMessage("YSF, received RF data from ?????????? to %10.10s", m_rfDest);
}
}
data[0U] = TAG_DATA;
data[1U] = 0x00U;
writeNetwork(data);
if (m_duplex) {
fich.setMR(YSF_MR_BUSY);
fich.encode(data + 2U);
writeQueueRF(data);
}
#if defined(DUMP_YSF)
writeFile(data + 2U);
#endif
} else {
CSync::addYSFSync(data + 2U);
m_rfFrames++;
data[0U] = TAG_DATA;
data[1U] = 0x00U;
writeNetwork(data);
if (m_duplex)
writeQueueRF(data);
#if defined(DUMP_YSF)
writeFile(data + 2U);
#endif
}
return true;
}
