Decode FR mode data, and generate cleanups and bug fixing.
This commit is contained in:
Jonathan Naylor
parent
628490097e
commit
4b323a9d20
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@ -43,13 +43,16 @@ m_rfSource(NULL),
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m_rfDest(NULL),
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m_netSource(NULL),
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m_netDest(NULL),
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m_payload(),
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m_rfPayload(),
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m_netPayload(),
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m_fp(NULL)
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{
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assert(display != NULL);
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m_payload.setUplink(callsign);
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m_payload.setDownlink(callsign);
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m_rfPayload.setUplink(callsign);
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m_rfPayload.setDownlink(callsign);
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m_netPayload.setDownlink(callsign);
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m_netSource = new unsigned char[YSF_CALLSIGN_LENGTH];
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m_netDest = new unsigned char[YSF_CALLSIGN_LENGTH];
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@ -90,7 +93,7 @@ bool CYSFControl::writeModem(unsigned char *data)
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m_rfErrs = 0U;
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m_rfBits = 1U;
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m_rfTimeoutTimer.start();
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m_payload.reset();
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m_rfPayload.reset();
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m_rfState = RS_RF_AUDIO;
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#if defined(DUMP_YSF)
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openFile();
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@ -104,19 +107,21 @@ bool CYSFControl::writeModem(unsigned char *data)
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if (valid && fi == YSF_FI_HEADER) {
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CSync::addYSFSync(data + 2U);
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// LogDebug("YSF, FICH: FI: %u, DT: %u, FN: %u, FT: %u", fich.getFI(), fich.getDT(), fich.getFN(), fich.getFT());
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m_rfFrames++;
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valid = m_payload.processHeaderData(data + 2U);
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valid = m_rfPayload.processHeaderData(data + 2U);
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if (valid)
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m_rfSource = m_payload.getSource();
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m_rfSource = m_rfPayload.getSource();
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unsigned char cm = fich.getCM();
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if (cm == YSF_CM_GROUP) {
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m_rfDest = (unsigned char*)"ALL ";
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} else {
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if (valid)
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m_rfDest = m_payload.getDest();
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m_rfDest = m_rfPayload.getDest();
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}
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if (m_rfSource != NULL && m_rfDest != NULL) {
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@ -150,9 +155,11 @@ bool CYSFControl::writeModem(unsigned char *data)
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} else if (valid && fi == YSF_FI_TERMINATOR) {
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CSync::addYSFSync(data + 2U);
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// LogDebug("YSF, FICH: FI: %u, DT: %u, FN: %u, FT: %u", fich.getFI(), fich.getDT(), fich.getFN(), fich.getFT());
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m_rfFrames++;
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m_payload.processHeaderData(data + 2U);
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m_rfPayload.processHeaderData(data + 2U);
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data[0U] = TAG_EOT;
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data[1U] = 0x00U;
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@ -180,29 +187,31 @@ bool CYSFControl::writeModem(unsigned char *data)
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unsigned char ft = fich.getFT();
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unsigned char dt = fich.getDT();
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// LogDebug("YSF, FICH: FI: %u, DT: %u, FN: %u, FT: %u", fich.getFI(), fich.getDT(), fich.getFN(), fich.getFT());
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m_rfFrames++;
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switch (dt) {
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case YSF_DT_VD_MODE1:
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valid = m_payload.processVDMode1Data(data + 2U, fn);
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m_rfErrs += m_payload.processVDMode1Audio(data + 2U);
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valid = m_rfPayload.processVDMode1Data(data + 2U, fn);
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m_rfErrs += m_rfPayload.processVDMode1Audio(data + 2U);
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m_rfBits += 235U;
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break;
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case YSF_DT_VD_MODE2:
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valid = m_payload.processVDMode2Data(data + 2U, fn);
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m_rfErrs += m_payload.processVDMode2Audio(data + 2U);
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valid = m_rfPayload.processVDMode2Data(data + 2U, fn);
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m_rfErrs += m_rfPayload.processVDMode2Audio(data + 2U);
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m_rfBits += 135U;
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break;
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case YSF_DT_DATA_FR_MODE:
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valid = m_payload.processDataFRModeData(data + 2U, fn);
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valid = m_rfPayload.processDataFRModeData(data + 2U, fn);
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break;
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case YSF_DT_VOICE_FR_MODE:
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if (fn != 0U || ft != 1U) {
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// The first packet after the header is odd, don't try and regenerate it
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m_rfErrs += m_payload.processVoiceFRModeAudio(data + 2U);
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m_rfErrs += m_rfPayload.processVoiceFRModeAudio(data + 2U);
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m_rfBits += 720U;
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}
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valid = false;
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@ -220,14 +229,14 @@ bool CYSFControl::writeModem(unsigned char *data)
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m_rfDest = (unsigned char*)"ALL ";
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change = true;
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} else if (valid) {
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m_rfDest = m_payload.getDest();
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m_rfDest = m_rfPayload.getDest();
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if (m_rfDest != NULL)
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change = true;
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}
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}
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if (valid && m_rfSource == NULL) {
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m_rfSource = m_payload.getSource();
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m_rfSource = m_rfPayload.getSource();
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if (m_rfSource != NULL)
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change = true;
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}
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@ -306,7 +315,7 @@ void CYSFControl::writeEndRF()
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m_rfState = RS_RF_LISTENING;
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m_rfTimeoutTimer.stop();
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m_payload.reset();
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m_rfPayload.reset();
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// These variables are free'd by YSFPayload
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m_rfSource = NULL;
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@ -331,6 +340,8 @@ void CYSFControl::writeEndNet()
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m_netTimeoutTimer.stop();
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m_networkWatchdog.stop();
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m_netPayload.reset();
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m_display->clearFusion();
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if (m_network != NULL)
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@ -364,6 +375,7 @@ void CYSFControl::writeNetwork()
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LogMessage("YSF, received network data from %10.10s to %10.10s at %10.10s", m_netSource, m_netDest, data + 4U);
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m_netTimeoutTimer.start();
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m_netPayload.reset();
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m_netState = RS_NET_AUDIO;
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m_netFrames = 0U;
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} else {
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@ -395,10 +407,47 @@ void CYSFControl::writeNetwork()
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CYSFFICH fich;
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bool valid = fich.decode(data + 35U);
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if (valid) {
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// XXX Should set the downlink callsign
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unsigned char dt = fich.getDT();
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unsigned char fn = fich.getFN();
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unsigned char ft = fich.getFT();
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unsigned char fi = fich.getFI();
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// Set the downlink callsign
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switch (fi) {
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case YSF_FI_HEADER:
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case YSF_FI_TERMINATOR:
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m_netPayload.processHeaderData(data + 35U);
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break;
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case YSF_FI_COMMUNICATIONS:
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switch (dt) {
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case YSF_DT_VD_MODE1:
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m_netPayload.processVDMode1Data(data + 35U, fn);
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break;
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case YSF_DT_VD_MODE2:
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m_netPayload.processVDMode2Data(data + 35U, fn);
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break;
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case YSF_DT_DATA_FR_MODE:
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m_netPayload.processDataFRModeData(data + 35U, fn);
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break;
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case YSF_DT_VOICE_FR_MODE:
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break;
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default:
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break;
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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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fich.setVoIP(true);
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fich.setMR(YSF_MR_NOT_BUSY);
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fich.encode(data + 2U);
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fich.encode(data + 35U);
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}
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writeQueueNet(data + 33U);
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@ -60,7 +60,8 @@ private:
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unsigned char* m_rfDest;
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unsigned char* m_netSource;
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unsigned char* m_netDest;
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CYSFPayload m_payload;
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CYSFPayload m_rfPayload;
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CYSFPayload m_netPayload;
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FILE* m_fp;
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void writeQueueRF(const unsigned char* data);
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239
YSFPayload.cpp
239
YSFPayload.cpp
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@ -131,19 +131,19 @@ bool CYSFPayload::processHeaderData(unsigned char* data)
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unsigned char output[23U];
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conv.chainback(output, 176U);
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bool valid = CCRC::checkCCITT162(output, 22U);
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if (valid) {
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bool valid1 = CCRC::checkCCITT162(output, 22U);
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if (valid1) {
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for (unsigned int i = 0U; i < 20U; i++)
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output[i] ^= WHITENING_DATA[i];
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if (m_dest == NULL) {
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m_dest = new unsigned char[10U];
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::memcpy(m_dest, output + 0U, 10U);
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m_dest = new unsigned char[YSF_CALLSIGN_LENGTH];
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::memcpy(m_dest, output + 0U, YSF_CALLSIGN_LENGTH);
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}
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if (m_source == NULL) {
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m_source = new unsigned char[10U];
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::memcpy(m_source, output + 10U, 10U);
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m_source = new unsigned char[YSF_CALLSIGN_LENGTH];
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::memcpy(m_source, output + YSF_CALLSIGN_LENGTH, YSF_CALLSIGN_LENGTH);
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}
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for (unsigned int i = 0U; i < 20U; i++)
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@ -180,45 +180,73 @@ bool CYSFPayload::processHeaderData(unsigned char* data)
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}
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}
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::memset(output, ' ', 20U);
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if (m_downlink != NULL)
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::memcpy(output + 0U, m_downlink, 10U);
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if (m_uplink != NULL)
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::memcpy(output + 10U, m_uplink, 10U);
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for (unsigned int i = 0U; i < 20U; i++)
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output[i] ^= WHITENING_DATA[i];
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CCRC::addCCITT162(output, 22U);
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output[22U] = 0x00U;
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unsigned char convolved[45U];
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conv.encode(output, convolved, 180U);
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unsigned char bytes[45U];
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unsigned int j = 0U;
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for (unsigned int i = 0U; i < 180U; i++) {
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unsigned int n = INTERLEAVE_TABLE_9_20[i];
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bool s0 = READ_BIT1(convolved, j) != 0U;
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j++;
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bool s1 = READ_BIT1(convolved, j) != 0U;
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j++;
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WRITE_BIT1(bytes, n, s0);
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n++;
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WRITE_BIT1(bytes, n, s1);
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}
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p1 = data + 9U;
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p2 = bytes;
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p2 = dch;
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for (unsigned int i = 0U; i < 5U; i++) {
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::memcpy(p1, p2, 9U);
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::memcpy(p2, p1, 9U);
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p1 += 18U; p2 += 9U;
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}
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return valid;
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conv.start();
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for (unsigned int i = 0U; i < 180U; i++) {
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unsigned int n = INTERLEAVE_TABLE_9_20[i];
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uint8_t s0 = READ_BIT1(dch, n) ? 1U : 0U;
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n++;
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uint8_t s1 = READ_BIT1(dch, n) ? 1U : 0U;
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conv.decode(s0, s1);
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}
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conv.chainback(output, 176U);
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bool valid2 = CCRC::checkCCITT162(output, 22U);
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if (valid2) {
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for (unsigned int i = 0U; i < 20U; i++)
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output[i] ^= WHITENING_DATA[i];
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if (m_downlink != NULL)
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::memcpy(output + 0U, m_downlink, YSF_CALLSIGN_LENGTH);
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if (m_uplink != NULL)
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::memcpy(output + YSF_CALLSIGN_LENGTH, m_uplink, YSF_CALLSIGN_LENGTH);
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for (unsigned int i = 0U; i < 20U; i++)
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output[i] ^= WHITENING_DATA[i];
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CCRC::addCCITT162(output, 22U);
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output[22U] = 0x00U;
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unsigned char convolved[45U];
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conv.encode(output, convolved, 180U);
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unsigned char bytes[45U];
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unsigned int j = 0U;
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for (unsigned int i = 0U; i < 180U; i++) {
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unsigned int n = INTERLEAVE_TABLE_9_20[i];
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bool s0 = READ_BIT1(convolved, j) != 0U;
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j++;
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bool s1 = READ_BIT1(convolved, j) != 0U;
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j++;
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WRITE_BIT1(bytes, n, s0);
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n++;
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WRITE_BIT1(bytes, n, s1);
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}
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p1 = data + 9U;
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p2 = bytes;
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for (unsigned int i = 0U; i < 5U; i++) {
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::memcpy(p1, p2, 9U);
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p1 += 18U; p2 += 9U;
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}
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}
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return valid1;
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}
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unsigned int CYSFPayload::processVDMode1Audio(unsigned char* data)
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@ -279,36 +307,30 @@ bool CYSFPayload::processVDMode1Data(unsigned char* data, unsigned char fn)
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switch (fn) {
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case 0U:
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if (m_dest == NULL) {
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m_dest = new unsigned char[10U];
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::memcpy(m_dest, output + 0U, 10U);
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m_dest = new unsigned char[YSF_CALLSIGN_LENGTH];
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::memcpy(m_dest, output + 0U, YSF_CALLSIGN_LENGTH);
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}
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if (m_source == NULL) {
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m_source = new unsigned char[10U];
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::memcpy(m_source, output + 10U, 10U);
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m_source = new unsigned char[YSF_CALLSIGN_LENGTH];
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::memcpy(m_source, output + YSF_CALLSIGN_LENGTH, YSF_CALLSIGN_LENGTH);
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}
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break;
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case 1U:
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if (m_downlink != NULL)
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::memcpy(output + 0U, m_downlink, YSF_CALLSIGN_LENGTH);
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if (m_uplink != NULL)
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::memcpy(output + YSF_CALLSIGN_LENGTH, m_uplink, YSF_CALLSIGN_LENGTH);
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break;
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default:
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break;
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}
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}
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if (fn == 1U) {
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::memset(output, ' ', 20U);
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if (m_downlink != NULL)
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::memcpy(output + 0U, m_downlink, 10U);
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if (m_uplink != NULL)
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::memcpy(output + 10U, m_uplink, 10U);
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ret = true;
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}
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// Data isn't corrupt so regenerate it
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if (!ret) {
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for (unsigned int i = 0U; i < 20U; i++)
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output[i] ^= WHITENING_DATA[i];
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@ -441,46 +463,39 @@ bool CYSFPayload::processVDMode2Data(unsigned char* data, unsigned char fn)
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bool ret = CCRC::checkCCITT162(output, 12U);
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if (ret) {
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for (unsigned int i = 0U; i < 10U; i++)
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for (unsigned int i = 0U; i < 20U; i++)
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output[i] ^= WHITENING_DATA[i];
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switch (fn) {
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case 0U:
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if (m_dest == NULL) {
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m_dest = new unsigned char[10U];
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::memcpy(m_dest, output, 10U);
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m_dest = new unsigned char[YSF_CALLSIGN_LENGTH];
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::memcpy(m_dest, output, YSF_CALLSIGN_LENGTH);
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}
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break;
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case 1U:
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if (m_source == NULL) {
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m_source = new unsigned char[10U];
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::memcpy(m_source, output, 10U);
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m_source = new unsigned char[YSF_CALLSIGN_LENGTH];
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::memcpy(m_source, output, YSF_CALLSIGN_LENGTH);
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}
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break;
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case 2U:
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if (m_downlink != NULL)
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::memcpy(output, m_downlink, YSF_CALLSIGN_LENGTH);
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break;
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case 3U:
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if (m_uplink != NULL)
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::memcpy(output, m_uplink, YSF_CALLSIGN_LENGTH);
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break;
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default:
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break;
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}
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}
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if (fn == 2U) {
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if (m_downlink != NULL)
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::memcpy(output, m_downlink, 10U);
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else
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::memset(output, ' ', 10U);
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ret = true;
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}
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if (fn == 3U) {
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if (m_uplink != NULL)
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::memcpy(output, m_uplink, 10U);
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else
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::memset(output, ' ', 10U);
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ret = true;
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}
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// Data isn't corrupt so regenerate it
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if (ret) {
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for (unsigned int i = 0U; i < 10U; i++)
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for (unsigned int i = 0U; i < 20U; i++)
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output[i] ^= WHITENING_DATA[i];
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CCRC::addCCITT162(output, 12U);
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@ -556,13 +571,13 @@ bool CYSFPayload::processDataFRModeData(unsigned char* data, unsigned char fn)
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switch (fn) {
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case 0U:
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if (m_dest == NULL) {
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||||
m_dest = new unsigned char[10U];
|
||||
::memcpy(m_dest, output + 0U, 10U);
|
||||
m_dest = new unsigned char[YSF_CALLSIGN_LENGTH];
|
||||
::memcpy(m_dest, output + 0U, YSF_CALLSIGN_LENGTH);
|
||||
}
|
||||
|
||||
if (m_source == NULL) {
|
||||
m_source = new unsigned char[10U];
|
||||
::memcpy(m_source, output + 10U, 10U);
|
||||
m_source = new unsigned char[YSF_CALLSIGN_LENGTH];
|
||||
::memcpy(m_source, output + YSF_CALLSIGN_LENGTH, YSF_CALLSIGN_LENGTH);
|
||||
}
|
||||
|
||||
break;
|
||||
|
|
@ -627,21 +642,29 @@ bool CYSFPayload::processDataFRModeData(unsigned char* data, unsigned char fn)
|
|||
conv.chainback(output, 176U);
|
||||
|
||||
bool ret2 = CCRC::checkCCITT162(output, 22U);
|
||||
|
||||
if (fn == 0U) {
|
||||
::memset(output, ' ', 20U);
|
||||
|
||||
if (m_downlink != NULL)
|
||||
::memcpy(output + 0U, m_downlink, 10U);
|
||||
|
||||
if (m_uplink != NULL)
|
||||
::memcpy(output + 10U, m_uplink, 10U);
|
||||
|
||||
ret2 = true;
|
||||
}
|
||||
|
||||
// Data isn't corrupt so regenerate it
|
||||
if (ret2) {
|
||||
for (unsigned int i = 0U; i < 20U; i++)
|
||||
output[i] ^= WHITENING_DATA[i];
|
||||
|
||||
switch (fn) {
|
||||
case 0U:
|
||||
if (m_downlink != NULL)
|
||||
::memcpy(output + 0U, m_downlink, YSF_CALLSIGN_LENGTH);
|
||||
|
||||
if (m_uplink != NULL)
|
||||
::memcpy(output + YSF_CALLSIGN_LENGTH, m_uplink, YSF_CALLSIGN_LENGTH);
|
||||
|
||||
break;
|
||||
|
||||
case 1U:
|
||||
CUtils::dump(1U, "FR Mode Data", output + 10U, 10U);
|
||||
break;
|
||||
|
||||
default:
|
||||
CUtils::dump(1U, "FR Mode Data", output + 0U, 20U);
|
||||
break;
|
||||
}
|
||||
|
||||
for (unsigned int i = 0U; i < 20U; i++)
|
||||
output[i] ^= WHITENING_DATA[i];
|
||||
|
||||
|
|
@ -700,23 +723,23 @@ unsigned int CYSFPayload::processVoiceFRModeAudio(unsigned char* data)
|
|||
|
||||
void CYSFPayload::setUplink(const std::string& callsign)
|
||||
{
|
||||
m_uplink = new unsigned char[10U];
|
||||
m_uplink = new unsigned char[YSF_CALLSIGN_LENGTH];
|
||||
|
||||
std::string uplink = callsign;
|
||||
uplink.resize(10U, ' ');
|
||||
uplink.resize(YSF_CALLSIGN_LENGTH, ' ');
|
||||
|
||||
for (unsigned int i = 0U; i < 10U; i++)
|
||||
for (unsigned int i = 0U; i < YSF_CALLSIGN_LENGTH; i++)
|
||||
m_uplink[i] = uplink.at(i);
|
||||
}
|
||||
|
||||
void CYSFPayload::setDownlink(const std::string& callsign)
|
||||
{
|
||||
m_downlink = new unsigned char[10U];
|
||||
m_downlink = new unsigned char[YSF_CALLSIGN_LENGTH];
|
||||
|
||||
std::string downlink = callsign;
|
||||
downlink.resize(10U, ' ');
|
||||
downlink.resize(YSF_CALLSIGN_LENGTH, ' ');
|
||||
|
||||
for (unsigned int i = 0U; i < 10U; i++)
|
||||
for (unsigned int i = 0U; i < YSF_CALLSIGN_LENGTH; i++)
|
||||
m_downlink[i] = downlink.at(i);
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue