void CGMSKModemWinUSB::writeHeader(const CHeaderData& header)
{
unsigned char myCall1[LONG_CALLSIGN_LENGTH];
unsigned char myCall2[SHORT_CALLSIGN_LENGTH];
unsigned char yourCall[LONG_CALLSIGN_LENGTH];
unsigned char rptCall1[LONG_CALLSIGN_LENGTH];
unsigned char rptCall2[LONG_CALLSIGN_LENGTH];
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
myCall1[i] = header.getMyCall1().GetChar(i);
for (unsigned int i = 0U; i < SHORT_CALLSIGN_LENGTH; i++)
myCall2[i] = header.getMyCall2().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
yourCall[i] = header.getYourCall().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
rptCall1[i] = header.getRptCall1().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
rptCall2[i] = header.getRptCall2().GetChar(i);
io(SET_MyCALL2, 0x40U, 0U, myCall2, SHORT_CALLSIGN_LENGTH);
io(SET_MyCALL, 0x40U, 0U, myCall1, LONG_CALLSIGN_LENGTH);
io(SET_YourCALL, 0x40U, 0U, yourCall, LONG_CALLSIGN_LENGTH);
io(SET_RPT1CALL, 0x40U, 0U, rptCall1, LONG_CALLSIGN_LENGTH);
io(SET_RPT2CALL, 0x40U, 0U, rptCall2, LONG_CALLSIGN_LENGTH);
unsigned char flags[3U];
flags[0U] = header.getFlag1();
flags[1U] = header.getFlag2();
flags[2U] = header.getFlag3();
io(SET_FLAGS, 0x40U, 0U, flags, 3U);
setPTT(true);
}
bool CDVAPController::writeHeader(const CHeaderData& header)
{
m_streamId++;
unsigned char buffer[50U];
::memcpy(buffer, DVAP_HEADER, DVAP_HEADER_LEN);
wxUint16 sid = wxUINT16_SWAP_ON_BE(m_streamId);
::memcpy(buffer + 2U, &sid, sizeof(wxUint16));
buffer[4U] = 0x80U;
buffer[5U] = 0U;
::memset(buffer + 6U, ' ', RADIO_HEADER_LENGTH_BYTES);
buffer[6U] = header.getFlag1();
buffer[7U] = header.getFlag2();
buffer[8U] = header.getFlag3();
wxString rpt2 = header.getRptCall2();
for (unsigned int i = 0U; i < rpt2.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 9U] = rpt2.GetChar(i);
wxString rpt1 = header.getRptCall1();
for (unsigned int i = 0U; i < rpt1.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 17U] = rpt1.GetChar(i);
wxString your = header.getYourCall();
for (unsigned int i = 0U; i < your.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 25U] = your.GetChar(i);
wxString my1 = header.getMyCall1();
for (unsigned int i = 0U; i < my1.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 33U] = my1.GetChar(i);
wxString my2 = header.getMyCall2();
for (unsigned int i = 0U; i < my2.Len() && i < SHORT_CALLSIGN_LENGTH; i++)
buffer[i + 41U] = my2.GetChar(i);
CCCITTChecksumReverse cksum;
cksum.update(buffer + 6U, RADIO_HEADER_LENGTH_BYTES - 2U);
cksum.result(buffer + 45U);
m_framePos = 0U;
m_seq = 0U;
wxMutexLocker locker(m_mutex);
unsigned int space = m_txData.freeSpace();
if (space < 48U)
return false;
unsigned char len = DVAP_HEADER_LEN;
m_txData.addData(&len, 1U);
m_txData.addData(buffer, DVAP_HEADER_LEN);
return true;
}
bool CDVRPTRV3Controller::writeHeader(const CHeaderData& header)
{
bool ret = m_txData.hasSpace(106U);
if (!ret) {
wxLogWarning(wxT("No space to write the header"));
return false;
}
unsigned char buffer[105U];
::memset(buffer, 0x00U, 105U);
buffer[0U] = 'H';
buffer[1U] = 'E';
buffer[2U] = 'A';
buffer[3U] = 'D';
buffer[4U] = 'X';
buffer[5U] = '0';
buffer[6U] = '0';
buffer[7U] = '0';
buffer[8U] = '2';
::memset(buffer + 9U, ' ', RADIO_HEADER_LENGTH_BYTES);
buffer[9U] = header.getFlag1();
buffer[10U] = header.getFlag2();
buffer[11U] = header.getFlag3();
wxString rpt2 = header.getRptCall2();
for (unsigned int i = 0U; i < rpt2.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 12U] = rpt2.GetChar(i);
wxString rpt1 = header.getRptCall1();
for (unsigned int i = 0U; i < rpt1.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 20U] = rpt1.GetChar(i);
wxString your = header.getYourCall();
for (unsigned int i = 0U; i < your.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 28U] = your.GetChar(i);
wxString my1 = header.getMyCall1();
for (unsigned int i = 0U; i < my1.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 36U] = my1.GetChar(i);
wxString my2 = header.getMyCall2();
for (unsigned int i = 0U; i < my2.Len() && i < SHORT_CALLSIGN_LENGTH; i++)
buffer[i + 44U] = my2.GetChar(i);
wxMutexLocker locker(m_mutex);
unsigned char len = 105U;
m_txData.addData(&len, 1U);
m_txData.addData(buffer, 105U);
m_tx = true;
return true;
}
bool CRepeaterProtocolHandler::writeHeader(const CHeaderData& header)
{
unsigned char buffer[50U];
buffer[0] = 'D';
buffer[1] = 'S';
buffer[2] = 'R';
buffer[3] = 'P';
buffer[4] = 0x20U;
// Create a random id for this transmission
m_outId = (::rand() % 65535U) + 1U;
buffer[5] = m_outId / 256U; // Unique session id
buffer[6] = m_outId % 256U;
buffer[7] = 0U;
buffer[8] = header.getFlag1();
buffer[9] = header.getFlag2();
buffer[10] = header.getFlag3();
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
buffer[11 + i] = header.getRptCall1().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
buffer[19 + i] = header.getRptCall2().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
buffer[27 + i] = header.getYourCall().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
buffer[35 + i] = header.getMyCall1().GetChar(i);
for (unsigned int i = 0U; i < SHORT_CALLSIGN_LENGTH; i++)
buffer[43 + i] = header.getMyCall2().GetChar(i);
// Get the checksum for the header
CCCITTChecksumReverse csum;
csum.update(buffer + 8U, 4U * LONG_CALLSIGN_LENGTH + SHORT_CALLSIGN_LENGTH + 3U);
csum.result(buffer + 47U);
m_outSeq = 0U;
#if defined(DUMP_TX)
CUtils::dump(wxT("Sending Header"), buffer, 49U);
return true;
#else
for (unsigned int i = 0U; i < 2U; i++) {
bool ret = m_socket.write(buffer, 49U);
if (!ret)
return false;
}
return true;
#endif
}
bool CMMDVMController::writeHeader(const CHeaderData& header)
{
bool ret = m_txData.hasSpace(46U);
if (!ret) {
wxLogWarning(wxT("No space to write the header"));
return false;
}
unsigned char buffer[50U];
buffer[0U] = MMDVM_FRAME_START;
buffer[1U] = RADIO_HEADER_LENGTH_BYTES + 3U;
buffer[2U] = MMDVM_DSTAR_HEADER;
::memset(buffer + 3U, ' ', RADIO_HEADER_LENGTH_BYTES);
buffer[3U] = header.getFlag1();
buffer[4U] = header.getFlag2();
buffer[5U] = header.getFlag3();
wxString rpt2 = header.getRptCall2();
for (unsigned int i = 0U; i < rpt2.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 6U] = rpt2.GetChar(i);
wxString rpt1 = header.getRptCall1();
for (unsigned int i = 0U; i < rpt1.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 14U] = rpt1.GetChar(i);
wxString your = header.getYourCall();
for (unsigned int i = 0U; i < your.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 22U] = your.GetChar(i);
wxString my1 = header.getMyCall1();
for (unsigned int i = 0U; i < my1.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 30U] = my1.GetChar(i);
wxString my2 = header.getMyCall2();
for (unsigned int i = 0U; i < my2.Len() && i < SHORT_CALLSIGN_LENGTH; i++)
buffer[i + 38U] = my2.GetChar(i);
CCCITTChecksumReverse cksum1;
cksum1.update(buffer + 3U, RADIO_HEADER_LENGTH_BYTES - 2U);
cksum1.result(buffer + 42U);
wxMutexLocker locker(m_mutex);
unsigned char type = DSMTT_HEADER;
m_txData.addData(&type, 1U);
unsigned char len = RADIO_HEADER_LENGTH_BYTES + 3U;
m_txData.addData(&len, 1U);
m_txData.addData(buffer, RADIO_HEADER_LENGTH_BYTES + 3U);
return true;
}
void CXReflectorDPlusHandler::processInt(CHeaderData& header)
{
wxString rpt1 = header.getRptCall1();
wxString rpt2 = header.getRptCall2();
unsigned int id = header.getId();
if (!m_linked)
return;
// Convert the callsign(s) from the DPlus call to the repeater call
wxString rpt = m_dplusCallsign;
wxChar band = rpt2.GetChar(LONG_CALLSIGN_LENGTH - 1U);
rpt.SetChar(LONG_CALLSIGN_LENGTH - 1U, band);
// Check the destination callsign
m_destination = CXReflectorReflectorHandler::findReflector(rpt);
if (m_destination == NULL) {
band = rpt1.GetChar(LONG_CALLSIGN_LENGTH - 1U);
rpt.SetChar(LONG_CALLSIGN_LENGTH - 1U, band);
m_destination = CXReflectorReflectorHandler::findReflector(rpt);
if (m_destination == NULL) {
wxLogMessage(wxT("Incoming unmatched D-Plus header, RPT1=%s, RPT2=%s"), rpt1.c_str(), rpt2.c_str());
return;
}
}
if (m_dPlusId != 0x00)
return;
m_dPlusId = id;
m_inactivityTimer.start();
m_pollInactivityTimer.reset();
header.setCQCQCQ();
header.setFlag1(0x00U);
bool ret = m_destination->process(m_dPlusId, header);
// Write to Users.log if it's enabled
if (ret && m_userLogger != NULL)
m_userLogger->write(header.getMyCall1(), header.getRptCall2(), m_reflector, PROTO_DPLUS);
}
void CDummyRepeaterFrame::onHeader(wxEvent& event)
{
CDummyRepeaterHeaderEvent& hdrEvent = dynamic_cast<CDummyRepeaterHeaderEvent&>(event);
CHeaderData* header = hdrEvent.getHeaderData();
if (header != NULL) {
wxDateTime dateTime = header->getTime();
wxString hrdDateTime = dateTime.FormatISODate() + wxT(" ") + dateTime.FormatISOTime();
m_heard->InsertItem(0L, hrdDateTime);
wxString urCall = header->getYourCall();
m_hrdYour->SetLabel(urCall);
m_heard->SetItem(0L, 1, urCall);
wxString myCall = header->getMyCall1();
wxString myCall2 = header->getMyCall2();
if (!myCall2.IsSameAs(wxT(" "))) {
myCall.Append(wxT("/"));
myCall.Append(myCall2);
}
m_hrdMy->SetLabel(myCall);
m_heard->SetItem(0L, 2, myCall);
wxString rpt1Call = header->getRptCall1();
m_hrdRpt1->SetLabel(rpt1Call);
m_heard->SetItem(0L, 3, rpt1Call);
wxString rpt2Call = header->getRptCall2();
m_hrdRpt2->SetLabel(rpt2Call);
m_heard->SetItem(0L, 4, rpt2Call);
wxString flags;
flags.Printf(wxT("%02X %02X %02X"), header->getFlag1(), header->getFlag2(), header->getFlag3());
m_hrdFlags->SetLabel(flags);
m_hrdMessage->SetLabel(wxEmptyString);
delete header;
} else {
m_hrdYour->SetLabel(wxEmptyString);
m_hrdMy->SetLabel(wxEmptyString);
m_hrdRpt1->SetLabel(wxEmptyString);
m_hrdRpt2->SetLabel(wxEmptyString);
m_hrdFlags->SetLabel(wxEmptyString);
m_hrdMessage->SetLabel(wxEmptyString);
}
}
void CDVToolReaderFrame::onHeader(wxEvent& event)
{
CHeaderEvent& hdrEvent = dynamic_cast<CHeaderEvent&>(event);
CHeaderData* header = hdrEvent.getHeaderData();
if (header != NULL) {
wxDateTime dateTime = header->getTime();
wxString hrdDateTime = dateTime.FormatISODate() + wxT(" ") + dateTime.FormatISOTime();
wxString urCall = header->getYourCall();
m_your->SetLabel(urCall);
wxString myCall = header->getMyCall1();
wxString myCall2 = header->getMyCall2();
if (!myCall2.IsSameAs(wxT(" "))) {
myCall.Append(wxT("/"));
myCall.Append(myCall2);
}
m_my->SetLabel(myCall);
wxString rpt1Call = header->getRptCall1();
m_rpt1->SetLabel(rpt1Call);
wxString rpt2Call = header->getRptCall2();
m_rpt2->SetLabel(rpt2Call);
wxString flags;
flags.Printf(wxT("%02X %02X %02X"), header->getFlag1(), header->getFlag2(), header->getFlag3());
m_flags->SetLabel(flags);
m_message->SetLabel(wxEmptyString);
delete header;
} else {
m_fileName->SetLabel(wxEmptyString);
m_your->SetLabel(wxEmptyString);
m_my->SetLabel(wxEmptyString);
m_rpt1->SetLabel(wxEmptyString);
m_rpt2->SetLabel(wxEmptyString);
m_flags->SetLabel(wxEmptyString);
m_message->SetLabel(wxEmptyString);
}
}
bool CGMSKController::writeHeader(const CHeaderData& header)
{
unsigned char buffer[50U];
::memset(buffer, ' ', RADIO_HEADER_LENGTH_BYTES - 2U);
buffer[0U] = header.getFlag1();
buffer[1U] = header.getFlag2();
buffer[2U] = header.getFlag3();
wxString rpt2 = header.getRptCall2();
for (unsigned int i = 0U; i < rpt2.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 3U] = rpt2.GetChar(i);
wxString rpt1 = header.getRptCall1();
for (unsigned int i = 0U; i < rpt1.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 11U] = rpt1.GetChar(i);
wxString your = header.getYourCall();
for (unsigned int i = 0U; i < your.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 19U] = your.GetChar(i);
wxString my1 = header.getMyCall1();
for (unsigned int i = 0U; i < my1.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 27U] = my1.GetChar(i);
wxString my2 = header.getMyCall2();
for (unsigned int i = 0U; i < my2.Len() && i < SHORT_CALLSIGN_LENGTH; i++)
buffer[i + 35U] = my2.GetChar(i);
wxMutexLocker locker(m_mutex);
bool ret = m_txData.hasSpace(RADIO_HEADER_LENGTH_BYTES);
if (!ret)
return false;
unsigned char data[2U];
data[0U] = DSMTT_HEADER;
data[1U] = RADIO_HEADER_LENGTH_BYTES - 2U;
m_txData.addData(data, 2U);
m_txData.addData(buffer, RADIO_HEADER_LENGTH_BYTES - 2U);
return true;
}
void CHeaderLogger::write(const wxChar* type, const CHeaderData& header)
{
wxASSERT(type != NULL);
time_t timeNow = ::time(NULL);
struct tm* tm = ::gmtime(&timeNow);
char* t = ::inet_ntoa(header.getYourAddress());
wxString address(t, wxConvLocal);
wxString text;
text.Printf(wxT("%04d-%02d-%02d %02d:%02d:%02d: %s header - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X (%s:%u)\n"),
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec, type,
header.getMyCall1().c_str(), header.getMyCall2().c_str(), header.getYourCall().c_str(),
header.getRptCall1().c_str(), header.getRptCall2().c_str(), header.getFlag1(), header.getFlag2(),
header.getFlag3(), address.c_str(), header.getYourPort());
m_file.Write(text);
m_file.Flush();
}
void CXReflectorDPlusHandler::writeHeaderInt(CHeaderData& header)
{
if (!m_linked)
return;
// If there's an incoming data stream, don't send
if (m_dPlusId != 0x00U)
return;
wxString rpt2 = m_dplusCallsign;
wxChar band = header.getRptCall1().GetChar(LONG_CALLSIGN_LENGTH - 1U);
rpt2.SetChar(LONG_CALLSIGN_LENGTH - 1U, band);
wxString rpt1 = m_dplusCallsign;
band = header.getRptCall2().GetChar(LONG_CALLSIGN_LENGTH - 1U);
rpt1.SetChar(LONG_CALLSIGN_LENGTH - 1U, band);
header.setRepeaters(rpt1, rpt2);
header.setDestination(m_address, m_port);
m_handler->writeHeader(header);
}
void CDVRPTRRepeaterRXThread::receiveHeader(unsigned char* data, unsigned int length)
{
CHeaderData* header = new CHeaderData(data, length, false);
wxLogMessage(wxT("Radio header decoded - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X"), header->getMyCall1().c_str(), header->getMyCall2().c_str(), header->getYourCall().c_str(), header->getRptCall1().c_str(), header->getRptCall2().c_str(), header->getFlag1(), header->getFlag2(), header->getFlag3());
bool res = processRadioHeader(header);
if (res) {
// A valid header and is a DV packet
m_radioSeqNo = 20U;
setRadioState(DSRXS_PROCESS_DATA);
} else {
// This is a DD packet or some other problem
// wxLogMessage(wxT("Invalid header"));
}
}
void CDummyRepeaterThread::transmit()
{
m_encodeData.clear();
m_dongle->setMode(DVDMODE_ENCODE);
// Pause until all the silence data has been processed by the AMBE2020
for (unsigned int startCount = 30U; startCount > 0U; startCount--) {
unsigned char frame[DV_FRAME_LENGTH_BYTES];
unsigned int n = 0U;
do {
n += m_encodeData.getData(frame + n, VOICE_FRAME_LENGTH_BYTES - n);
if (n < VOICE_FRAME_LENGTH_BYTES)
Sleep(DSTAR_FRAME_TIME_MS / 4UL);
} while (n < VOICE_FRAME_LENGTH_BYTES);
serviceNetwork();
checkController();
}
CHeaderData* header = new CHeaderData(m_callsign1, m_callsign2, m_your, m_rpt2, m_rpt1);
wxLogMessage(wxT("Transmitting to - My: %s/%s Your: %s Rpt1: %s Rpt2: %s"), header->getMyCall1().c_str(), header->getMyCall2().c_str(), header->getYourCall().c_str(), header->getRptCall1().c_str(), header->getRptCall2().c_str());
m_slowDataEncoder.reset();
m_slowDataEncoder.setHeaderData(*header);
serviceNetwork();
checkController();
if (!m_message.IsEmpty())
m_slowDataEncoder.setMessageData(m_message);
m_protocol->writeHeader(*header);
delete header;
serviceNetwork();
checkController();
m_frameCount = 20U;
unsigned int endCount = 30U;
// While transmitting and not exiting
for (;;) {
unsigned char frame[DV_FRAME_LENGTH_BYTES];
unsigned int n = 0U;
do {
n += m_encodeData.getData(frame + n, VOICE_FRAME_LENGTH_BYTES - n);
if (n < VOICE_FRAME_LENGTH_BYTES)
Sleep(DSTAR_FRAME_TIME_MS / 4UL);
} while (n < VOICE_FRAME_LENGTH_BYTES);
serviceNetwork();
checkController();
if (m_frameCount == 20U) {
// Put in the data resync pattern
::memcpy(frame + VOICE_FRAME_LENGTH_BYTES, DATA_SYNC_BYTES, DATA_FRAME_LENGTH_BYTES);
m_frameCount = 0U;
} else {
// Tack the slow data on the end
m_slowDataEncoder.getData(frame + VOICE_FRAME_LENGTH_BYTES);
m_frameCount++;
}
if (m_transmit != CLIENT_TRANSMIT)
endCount--;
// Send the AMBE and slow data frame
if (endCount == 0U || m_killed) {
m_protocol->writeData(frame, DV_FRAME_LENGTH_BYTES, 0U, true);
break;
} else {
m_protocol->writeData(frame, DV_FRAME_LENGTH_BYTES, 0U, false);
}
serviceNetwork();
checkController();
}
m_dongle->setMode(DVDMODE_IDLE);
resetReceiver();
m_transmit = CLIENT_RECEIVE;
serviceNetwork();
checkController();
}
void CG2Handler::process(CHeaderData& header)
{
// Is this a busy reply?
unsigned char flag1 = header.getFlag1();
if (flag1 == 0x01) {
// Don't check the incoming stream
// wxLogMessage(wxT("G2 busy message received"));
return;
}
// Check to see if this is for StarNet
CStarNetHandler* handler = CStarNetHandler::findStarNet(header);
if (handler != NULL) {
// Write to Header.log if it's enabled
if (m_headerLogger != NULL)
m_headerLogger->write(wxT("StarNet"), header);
handler->process(header);
return;
}
// No need to go any further
if (m_maxRoutes == 0U)
return;
in_addr address = header.getYourAddress();
unsigned int id = header.getId();
for (unsigned int i = 0U; i < m_maxRoutes; i++) {
CG2Handler* route = m_routes[i];
if (route != NULL) {
// Is this a duplicate header, ignore it
if (route->m_id == id)
return;
}
}
// Find the destination repeater
CRepeaterHandler* repeater = CRepeaterHandler::findDVRepeater(header.getRptCall2());
if (repeater == NULL) {
wxLogMessage(wxT("Incoming G2 header from %s to unknown repeater - %s"), header.getMyCall1().c_str(), header.getRptCall2().c_str());
return; // Not found, ignore
}
CG2Handler* route = new CG2Handler(repeater, address, id);
for (unsigned int i = 0U; i < m_maxRoutes; i++) {
if (m_routes[i] == NULL) {
m_routes[i] = route;
// Write to Header.log if it's enabled
if (m_headerLogger != NULL)
m_headerLogger->write(wxT("G2"), header);
repeater->process(header, DIR_INCOMING, AS_G2);
return;
}
}
wxLogMessage(wxT("No space to add new G2 route, ignoring"));
delete route;
}
void CDExtraHandler::processInt(CHeaderData& header)
{
unsigned int id = header.getId();
wxString rpt1 = header.getRptCall1();
wxString rpt2 = header.getRptCall2();
if (m_linkState != DEXTRA_LINKED)
return;
switch (m_direction) {
case DIR_OUTGOING: {
// Always a repeater connection
if (!m_reflector.IsSameAs(rpt2) && !m_reflector.IsSameAs(rpt1))
return;
// If we're already processing, ignore the new header
if (m_dExtraId != 0x00U)
return;
// Write to Header.log if it's enabled
if (m_headerLogger != NULL)
m_headerLogger->write(wxT("DExtra"), header);
m_dExtraId = id;
m_dExtraSeq = 0x00U;
m_inactivityTimer.start();
delete m_header;
m_header = new CHeaderData(header);
m_header->setCQCQCQ();
m_header->setFlags(0x00U, 0x00U, 0x00U);
m_destination->process(*m_header, AS_DEXTRA);
}
break;
case DIR_INCOMING:
if (!m_repeater.IsEmpty()) {
// A repeater connection
if (!m_repeater.IsSameAs(rpt2) && !m_repeater.IsSameAs(rpt1))
return;
// If we're already processing, ignore the new header
if (m_dExtraId != 0x00U)
return;
// Write to Header.log if it's enabled
if (m_headerLogger != NULL)
m_headerLogger->write(wxT("DExtra"), header);
m_dExtraId = id;
m_dExtraSeq = 0x00U;
m_inactivityTimer.start();
delete m_header;
m_header = new CHeaderData(header);
m_header->setCQCQCQ();
m_header->setFlags(0x00U, 0x00U, 0x00U);
m_destination->process(*m_header, AS_DEXTRA);
} else {
// A Dongle connection
// Check the destination callsign
m_destination = CRepeaterHandler::findDVRepeater(rpt2);
if (m_destination == NULL) {
m_destination = CRepeaterHandler::findDVRepeater(rpt1);
if (m_destination == NULL)
return;
}
// If we're already processing, ignore the new header
if (m_dExtraId != 0x00U)
return;
// Write to Header.log if it's enabled
if (m_headerLogger != NULL)
m_headerLogger->write(wxT("DExtra"), header);
m_dExtraId = id;
m_dExtraSeq = 0x00U;
m_inactivityTimer.start();
delete m_header;
m_header = new CHeaderData(header);
m_header->setCQCQCQ();
m_header->setFlags(0x00U, 0x00U, 0x00U);
m_destination->process(*m_header, AS_DEXTRA);
}
break;
}
}
void CDPlusHandler::processInt(CHeaderData& header)
{
wxString rpt1 = header.getRptCall1();
wxString rpt2 = header.getRptCall2();
unsigned int id = header.getId();
if (m_linkState != DPLUS_LINKED)
return;
switch (m_direction) {
case DIR_OUTGOING:
if (m_reflector.IsSameAs(rpt1) || m_reflector.IsSameAs(rpt2)) {
// If we're already processing, ignore the new header
if (m_dPlusId != 0x00U)
return;
// Write to Header.log if it's enabled
if (m_headerLogger != NULL)
m_headerLogger->write(wxT("DPlus"), header);
m_dPlusId = id;
m_dPlusSeq = 0x00U;
m_inactivityTimer.start();
m_pollInactivityTimer.reset();
delete m_header;
m_header = new CHeaderData(header);
m_header->setCQCQCQ();
m_header->setFlags(0x00U, 0x00U, 0x00U);
m_destination->process(*m_header, AS_DPLUS);
}
break;
case DIR_INCOMING: {
m_destination = CRepeaterHandler::findDVRepeater(rpt1);
if (m_destination == NULL) {
m_destination = CRepeaterHandler::findDVRepeater(rpt2);
if (m_destination == NULL)
return;
}
if (m_dPlusId != 0x00U)
return;
// Write to Header.log if it's enabled
if (m_headerLogger != NULL)
m_headerLogger->write(wxT("DPlus"), header);
m_dPlusId = id;
m_dPlusSeq = 0x00U;
m_inactivityTimer.start();
m_pollInactivityTimer.reset();
delete m_header;
m_header = new CHeaderData(header);
m_header->setCQCQCQ();
m_header->setFlags(0x00U, 0x00U, 0x00U);
m_destination->process(*m_header, AS_DPLUS);
}
break;
}
}
CHeaderData* CSoundCardRepeaterTXRXThread::processSlowData(bool sync)
{
bool bits[DV_FRAME_LENGTH_BITS];
m_bitBuffer.getData(bits, DV_FRAME_LENGTH_BITS);
if (sync) {
m_slowDataDecoder.sync();
return NULL;
}
unsigned char bytes[DATA_FRAME_LENGTH_BYTES];
// Convert the bits to bytes
unsigned int n = 0U;
for (unsigned int i = 0U; i < DATA_FRAME_LENGTH_BYTES; i++, n += 8U)
bytes[i] = CUtils::bitsToByteRev(bits + VOICE_FRAME_LENGTH_BITS + n);
m_slowDataDecoder.addData(bytes);
CHeaderData* header = m_slowDataDecoder.getHeaderData();
if (header == NULL)
return NULL;
wxLogMessage(wxT("Radio header from slow data - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X BER: 0%%"), header->getMyCall1().c_str(), header->getMyCall2().c_str(), header->getYourCall().c_str(), header->getRptCall1().c_str(), header->getRptCall2().c_str(), header->getFlag1(), header->getFlag2(), header->getFlag3());
m_headerBER = 0U;
return header;
}
void CDStarRepeaterRXThread::receiveSlowData(unsigned char* data, unsigned int)
{
unsigned int errs;
errs = countBits(data[VOICE_FRAME_LENGTH_BYTES + 0U] ^ DATA_SYNC_BYTES[0U]);
errs += countBits(data[VOICE_FRAME_LENGTH_BYTES + 1U] ^ DATA_SYNC_BYTES[1U]);
errs += countBits(data[VOICE_FRAME_LENGTH_BYTES + 2U] ^ DATA_SYNC_BYTES[2U]);
// The data sync has been seen, a fuzzy match is used, two bit errors or less
if (errs <= MAX_DATA_SYNC_BIT_ERRS) {
// wxLogMessage(wxT("Found data sync at frame %u, errs: %u"), m_radioSeqNo, errs);
m_radioSeqNo = 0U;
m_slowDataDecoder.sync();
} else if (m_radioSeqNo == 20U) {
// wxLogMessage(wxT("Assuming data sync"));
m_radioSeqNo = 0U;
m_slowDataDecoder.sync();
} else {
m_radioSeqNo++;
m_slowDataDecoder.addData(data + VOICE_FRAME_LENGTH_BYTES);
CHeaderData* header = m_slowDataDecoder.getHeaderData();
if (header == NULL)
return;
wxLogMessage(wxT("Radio header from slow data - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X BER: 0%%"), header->getMyCall1().c_str(), header->getMyCall2().c_str(), header->getYourCall().c_str(), header->getRptCall1().c_str(), header->getRptCall2().c_str(), header->getFlag1(), header->getFlag2(), header->getFlag3());
if (header != NULL) {
bool res = processRadioHeader(header);
if (res) {
// A valid header and is a DV packet, go to normal data relaying
setRadioState(DSRXS_PROCESS_DATA);
} else {
// This is a DD packet or some other problem
// wxLogMessage(wxT("Invalid header"));
}
}
}
}
void CSoundCardRepeaterTXThread::transmitNetworkHeader(CHeaderData& header)
{
wxLogMessage(wxT("Transmitting to - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X"), header.getMyCall1().c_str(), header.getMyCall2().c_str(), header.getYourCall().c_str(), header.getRptCall1().c_str(), header.getRptCall2().c_str(), header.getFlag1(), header.getFlag2(), header.getFlag3());
// Send the bit sync, 700 bits in 4 bit chunks
for (unsigned int i = 0U; i < 175U; i++)
m_networkBuffer.addData(BIT_SYNC_BITS, BIT_SYNC_LENGTH_BITS);
// Send the frame sync
m_networkBuffer.addData(FRAME_SYNC_BITS, FRAME_SYNC_LENGTH_BITS);
// Send the header
bool headerBits[FEC_SECTION_LENGTH_BITS];
CRadioHeaderEncoder encoder(header);
encoder.getRadioData(headerBits, FEC_SECTION_LENGTH_BITS);
m_networkBuffer.addData(headerBits, FEC_SECTION_LENGTH_BITS);
m_networkStarted = false;
m_networkRun = 0U;
}
bool CGMSKModemLibUsb::writeHeader(const CHeaderData& header)
{
char myCall1[LONG_CALLSIGN_LENGTH];
char myCall2[SHORT_CALLSIGN_LENGTH];
char yourCall[LONG_CALLSIGN_LENGTH];
char rptCall1[LONG_CALLSIGN_LENGTH];
char rptCall2[LONG_CALLSIGN_LENGTH];
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
myCall1[i] = header.getMyCall1().GetChar(i);
for (unsigned int i = 0U; i < SHORT_CALLSIGN_LENGTH; i++)
myCall2[i] = header.getMyCall2().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
yourCall[i] = header.getYourCall().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
rptCall1[i] = header.getRptCall1().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
rptCall2[i] = header.getRptCall2().GetChar(i);
int ret = io(0x40, SET_MyCALL2, 0, 0, myCall2, SHORT_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxString errorText(m_usbStrerror(), wxConvLocal);
wxLogMessage(wxT("SET_MyCALL2, ret: %d, err=%s"), ret, errorText.c_str());
return false;
}
ret = io(0x40, SET_MyCALL, 0, 0, myCall1, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxString errorText(m_usbStrerror(), wxConvLocal);
wxLogMessage(wxT("SET_MyCALL, ret: %d, err=%s"), ret, errorText.c_str());
return false;
}
ret = io(0x40, SET_YourCALL, 0, 0, yourCall, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxString errorText(m_usbStrerror(), wxConvLocal);
wxLogMessage(wxT("SET_YourCALL, ret: %d, err=%s"), ret, errorText.c_str());
return false;
}
ret = io(0x40, SET_RPT1CALL, 0, 0, rptCall1, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxString errorText(m_usbStrerror(), wxConvLocal);
wxLogMessage(wxT("SET_RPT1CALL, ret: %d, err=%s"), ret, errorText.c_str());
return false;
}
ret = io(0x40, SET_RPT2CALL, 0, 0, rptCall2, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxString errorText(m_usbStrerror(), wxConvLocal);
wxLogMessage(wxT("SET_RPT2CALL, ret: %d, err=%s"), ret, errorText.c_str());
return false;
}
char flags[3U];
flags[0U] = header.getFlag1();
flags[1U] = header.getFlag2();
flags[2U] = header.getFlag3();
ret = io(0x40, SET_FLAGS, 0, 0, flags, 3, USB_TIMEOUT);
if (ret < 0) {
wxString errorText(m_usbStrerror(), wxConvLocal);
wxLogMessage(wxT("SET_FLAGS, ret: %d, err=%s"), ret, errorText.c_str());
return false;
}
return true;
}
void CDVAPNodeTRXThread::receiveRadioHeader()
{
CHeaderData* header = m_dvap->readHeader();
if (header == NULL)
return;
wxLogMessage(wxT("Header decoded - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X"), header->getMyCall1().c_str(), header->getMyCall2().c_str(), header->getYourCall().c_str(), header->getRptCall1().c_str(), header->getRptCall2().c_str(), header->getFlag1(), header->getFlag2(), header->getFlag3());
bool res = processRadioHeader(header);
if (res) {
// A valid header and is a DV packet
m_radioSeqNo = 20U;
m_ambeFrames = 0U;
m_ambeSilence = 0U;
m_ambeBits = 1U;
m_ambeErrors = 0U;
m_lastAMBEBits = 0U;
m_lastAMBEErrors = 0U;
} else {
// This is a DD packet or some other problem
// wxLogMessage(wxT("Invalid header"));
}
}
bool CGMSKModemLibUsb::writeHeader(const CHeaderData& header)
{
wxASSERT(m_handle != NULL);
unsigned char myCall1[LONG_CALLSIGN_LENGTH];
unsigned char myCall2[SHORT_CALLSIGN_LENGTH];
unsigned char yourCall[LONG_CALLSIGN_LENGTH];
unsigned char rptCall1[LONG_CALLSIGN_LENGTH];
unsigned char rptCall2[LONG_CALLSIGN_LENGTH];
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
myCall1[i] = header.getMyCall1().GetChar(i);
for (unsigned int i = 0U; i < SHORT_CALLSIGN_LENGTH; i++)
myCall2[i] = header.getMyCall2().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
yourCall[i] = header.getYourCall().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
rptCall1[i] = header.getRptCall1().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
rptCall2[i] = header.getRptCall2().GetChar(i);
int ret = ::libusb_control_transfer(m_handle, 0x40, SET_MyCALL2, 0, 0, myCall2, SHORT_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxLogMessage(wxT("SET_MyCALL2, err=%d"), ret);
return false;
}
ret = ::libusb_control_transfer(m_handle, 0x40, SET_MyCALL, 0, 0, myCall1, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxLogMessage(wxT("SET_MyCALL, err=%d"), ret);
return false;
}
ret = ::libusb_control_transfer(m_handle, 0x40, SET_YourCALL, 0, 0, yourCall, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxLogMessage(wxT("SET_YourCALL, err=%d"), ret);
return false;
}
ret = ::libusb_control_transfer(m_handle, 0x40, SET_RPT1CALL, 0, 0, rptCall1, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxLogMessage(wxT("SET_RPT1CALL, err=%d"), ret);
return false;
}
ret = ::libusb_control_transfer(m_handle, 0x40, SET_RPT2CALL, 0, 0, rptCall2, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxLogMessage(wxT("SET_RPT2CALL, err=%d"), ret);
return false;
}
unsigned char flags[3U];
flags[0U] = header.getFlag1();
flags[1U] = header.getFlag2();
flags[2U] = header.getFlag3();
ret = ::libusb_control_transfer(m_handle, 0x40, SET_FLAGS, 0, 0, flags, 3, USB_TIMEOUT);
if (ret < 0) {
wxLogMessage(wxT("SET_FLAGS, err=%d"), ret);
return false;
}
return true;
}
CHeaderData* CSoundCardRepeaterTXRXThread::processFECHeader()
{
bool buffer[FEC_SECTION_LENGTH_BITS];
m_bitBuffer.getData(buffer, FEC_SECTION_LENGTH_BITS);
CRadioHeaderDecoder decoder(buffer, FEC_SECTION_LENGTH_BITS);
CHeaderData* header = decoder.getHeaderData();
if (header == NULL)
return NULL;
m_headerBER = decoder.getBER();
wxLogMessage(wxT("Radio header decoded - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X BER: %u%%"), header->getMyCall1().c_str(), header->getMyCall2().c_str(), header->getYourCall().c_str(), header->getRptCall1().c_str(), header->getRptCall2().c_str(), header->getFlag1(), header->getFlag2(), header->getFlag3(), m_headerBER);
return header;
}
void CGMSKRepeaterTXRXThread::transmitNetworkHeader(const CHeaderData& header)
{
wxLogMessage(wxT("Transmitting to - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X"), header.getMyCall1().c_str(), header.getMyCall2().c_str(), header.getYourCall().c_str(), header.getRptCall1().c_str(), header.getRptCall2().c_str(), header.getFlag1(), header.getFlag2(), header.getFlag3());
bool empty = m_networkQueue[m_readNum]->isEmpty();
if (!empty) {
bool headerReady = m_networkQueue[m_readNum]->headerReady();
if (headerReady) {
// Transmission has never started, so just purge the queue
m_networkQueue[m_readNum]->reset();
m_readNum++;
if (m_readNum >= NETWORK_QUEUE_COUNT)
m_readNum = 0U;
} else {
// Purge the currently transmitting buffer and append an end of stream
m_networkQueue[m_readNum]->reset();
m_networkQueue[m_readNum]->addData(END_PATTERN_BYTES, DV_FRAME_LENGTH_BYTES, true);
}
}
m_networkQueue[m_writeNum]->reset();
m_networkQueue[m_writeNum]->setHeader(new CHeaderData(header));
}
CRadioHeaderEncoder::CRadioHeaderEncoder(const CHeaderData& header) :
m_header(NULL)
{
m_header = new bool[FEC_SECTION_LENGTH_BITS];
bool* buffer1 = new bool[700U];
bool* buffer2 = new bool[700U];
// Clear everything
::memset(buffer1, 0x00, 700U * sizeof(bool));
// Flag 1
unsigned char flag1 = header.getFlag1();
buffer1[0] = (flag1 & 0x80U) == 0x80U; buffer1[1] = (flag1 & 0x40U) == 0x40U;
buffer1[2] = (flag1 & 0x20U) == 0x20U; buffer1[3] = (flag1 & 0x10U) == 0x10U;
buffer1[4] = (flag1 & 0x08U) == 0x08U; buffer1[5] = (flag1 & 0x04U) == 0x04U;
buffer1[6] = (flag1 & 0x02U) == 0x02U; buffer1[7] = (flag1 & 0x01U) == 0x01U;
// Flag 2
unsigned char flag2 = header.getFlag2();
buffer1[8] = (flag2 & 0x80U) == 0x80U; buffer1[9] = (flag2 & 0x40U) == 0x40U;
buffer1[10] = (flag2 & 0x20U) == 0x20U; buffer1[11] = (flag2 & 0x10U) == 0x10U;
buffer1[12] = (flag2 & 0x08U) == 0x08U; buffer1[13] = (flag2 & 0x04U) == 0x04U;
buffer1[14] = (flag2 & 0x02U) == 0x02U; buffer1[15] = (flag2 & 0x01U) == 0x01U;
// Flag 3
unsigned char flag3 = header.getFlag3();
buffer1[16] = (flag3 & 0x80U) == 0x80U; buffer1[17] = (flag3 & 0x40U) == 0x40U;
buffer1[18] = (flag3 & 0x20U) == 0x20U; buffer1[19] = (flag3 & 0x10U) == 0x10U;
buffer1[20] = (flag3 & 0x08U) == 0x08U; buffer1[21] = (flag3 & 0x04U) == 0x04U;
buffer1[22] = (flag3 & 0x02U) == 0x02U; buffer1[23] = (flag3 & 0x01U) == 0x01U;
unsigned int n = 24U;
stringToBits(header.getRptCall2(), buffer1 + n, LONG_CALLSIGN_LENGTH);
n += LONG_CALLSIGN_LENGTH * 8U;
stringToBits(header.getRptCall1(), buffer1 + n, LONG_CALLSIGN_LENGTH);
n += LONG_CALLSIGN_LENGTH * 8U;
stringToBits(header.getYourCall(), buffer1 + n, LONG_CALLSIGN_LENGTH);
n += LONG_CALLSIGN_LENGTH * 8U;
stringToBits(header.getMyCall1(), buffer1 + n, LONG_CALLSIGN_LENGTH);
n += LONG_CALLSIGN_LENGTH * 8U;
stringToBits(header.getMyCall2(), buffer1 + n, SHORT_CALLSIGN_LENGTH);
n += SHORT_CALLSIGN_LENGTH * 8U;
CCCITTChecksumReverse cksum;
for (unsigned int i = 0U; i < n; i += 8U)
cksum.update(buffer1 + i);
cksum.result(buffer1 + n);
// CUtils::dump(wxT("TX Raw Data"), buffer1, n + 16U);
unsigned int length;
CDStarFECEncoder fec;
fec.encode(buffer1, buffer2, RADIO_HEADER_LENGTH_BITS, length);
// CUtils::dump(wxT("TX After FEC"), buffer2, FEC_SECTION_LENGTH_BITS);
CDStarInterleaver interleaver;
interleaver.interleave(buffer2, m_header, FEC_SECTION_LENGTH_BITS);
// CUtils::dump(wxT("TX After Interleaver"), m_header, FEC_SECTION_LENGTH_BITS);
CDStarScrambler scrambler;
scrambler.process(m_header, FEC_SECTION_LENGTH_BITS);
// CUtils::dump(wxT("TX After Scrambler"), m_header, FEC_SECTION_LENGTH_BITS);
delete[] buffer1;
delete[] buffer2;
}
bool CGMSKModemWinUSB::writeHeader(const CHeaderData& header)
{
unsigned char myCall1[LONG_CALLSIGN_LENGTH];
unsigned char myCall2[SHORT_CALLSIGN_LENGTH];
unsigned char yourCall[LONG_CALLSIGN_LENGTH];
unsigned char rptCall1[LONG_CALLSIGN_LENGTH];
unsigned char rptCall2[LONG_CALLSIGN_LENGTH];
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
myCall1[i] = header.getMyCall1().GetChar(i);
for (unsigned int i = 0U; i < SHORT_CALLSIGN_LENGTH; i++)
myCall2[i] = header.getMyCall2().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
yourCall[i] = header.getYourCall().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
rptCall1[i] = header.getRptCall1().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
rptCall2[i] = header.getRptCall2().GetChar(i);
int ret = io(SET_MyCALL2, 0x40U, 0U, myCall2, SHORT_CALLSIGN_LENGTH);
if (ret < 0) {
wxLogError(wxT("SET_MyCALL2 returned %d"), -ret);
return false;
}
ret = io(SET_MyCALL, 0x40U, 0U, myCall1, LONG_CALLSIGN_LENGTH);
if (ret < 0) {
wxLogError(wxT("SET_MyCALL returned %d"), -ret);
return false;
}
ret = io(SET_YourCALL, 0x40U, 0U, yourCall, LONG_CALLSIGN_LENGTH);
if (ret < 0) {
wxLogError(wxT("SET_YourCALL returned %d"), -ret);
return false;
}
ret = io(SET_RPT1CALL, 0x40U, 0U, rptCall1, LONG_CALLSIGN_LENGTH);
if (ret < 0) {
wxLogError(wxT("SET_RPT1CALL returned %d"), -ret);
return false;
}
ret = io(SET_RPT2CALL, 0x40U, 0U, rptCall2, LONG_CALLSIGN_LENGTH);
if (ret < 0) {
wxLogError(wxT("SET_RPT2CALL returned %d"), -ret);
return false;
}
unsigned char flags[3U];
flags[0U] = header.getFlag1();
flags[1U] = header.getFlag2();
flags[2U] = header.getFlag3();
ret = io(SET_FLAGS, 0x40U, 0U, flags, 3U);
if (ret < 0) {
wxLogError(wxT("SET_FLAGS returned %d"), -ret);
return false;
}
return setPTT(true);
}
void CDVToolReaderThread::processHeader(const unsigned char* buffer)
{
// Tell the GUI about the header, we assume that it's valid
CHeaderData* header = new CHeaderData(buffer, RADIO_HEADER_LENGTH_BYTES, false);
wxLogMessage(wxT("Header decoded - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X"), header->getMyCall1().c_str(), header->getMyCall2().c_str(), header->getYourCall().c_str(), header->getRptCall1().c_str(), header->getRptCall2().c_str(), header->getFlag1(), header->getFlag2(), header->getFlag3());
::wxGetApp().showHeader(header);
}
bool CDExtraProtocolHandler::writeHeader(const CHeaderData& header)
{
wxASSERT(m_socket != NULL);
// Create a random id for this transmission
m_outId = (::rand() % 65535U) + 1U;
unsigned char buffer[56U];
buffer[0] = 'D';
buffer[1] = 'S';
buffer[2] = 'V';
buffer[3] = 'T';
buffer[4] = 0x10;
buffer[5] = 0x00;
buffer[6] = 0x00;
buffer[7] = 0x00;
buffer[8] = 0x20;
buffer[9] = 0x00;
buffer[10] = 0x01;
buffer[11] = 0x00; // Band
buffer[12] = m_outId % 256U; // Unique session id
buffer[13] = m_outId / 256U;
buffer[14] = 0x80;
buffer[15] = 0x00; // Flags 1, 2 and 3
buffer[16] = 0x00;
buffer[17] = 0x00;
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
buffer[18 + i] = header.getRptCall1().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
buffer[26 + i] = header.getRptCall2().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
buffer[34 + i] = header.getYourCall().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
buffer[42 + i] = header.getMyCall1().GetChar(i);
for (unsigned int i = 0U; i < SHORT_CALLSIGN_LENGTH; i++)
buffer[50 + i] = header.getMyCall2().GetChar(i);
// A dummy checksum
buffer[54] = 0xFF;
buffer[55] = 0xFF;
m_outSeq = 0U;
#if defined(DUMP_TX)
CUtils::dump(wxT("Sending Header"), buffer, 56U);
return true;
#else
for (unsigned int i = 0U; i < 5U; i++) {
bool res = m_socket->write(buffer, 56U);
if (!res)
return false;
}
return true;
#endif
}