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ChirpChat demod: implemented FT decoding

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This commit is contained in:
f4exb
2024-04-05 01:03:24 +02:00
parent a02d1839ef
commit 3c9f74aeb5
16 changed files with 406 additions and 71 deletions
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plugins/channelrx/demodchirpchat/chirpchatdemoddecoder.cpp
+56 -1
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@@ -21,6 +21,7 @@
#include "chirpchatdemoddecodertty.h"
#include "chirpchatdemoddecoderascii.h"
#include "chirpchatdemoddecoderlora.h"
#include "chirpchatdemoddecoderft.h"
#include "chirpchatdemodmsg.h"
ChirpChatDemodDecoder::ChirpChatDemodDecoder() :
@@ -60,7 +61,7 @@ void ChirpChatDemodDecoder::decodeSymbols(const std::vector<unsigned short>& sym
}
break;
case ChirpChatDemodSettings::CodingASCII:
if (m_nbSymbolBits == 5) {
if (m_nbSymbolBits == 7) {
ChirpChatDemodDecoderASCII::decodeSymbols(symbols, str);
}
break;
@@ -106,6 +107,33 @@ void ChirpChatDemodDecoder::decodeSymbols(const std::vector<unsigned short>& sym
}
}
void ChirpChatDemodDecoder::decodeSymbols( //!< For FT coding scheme
const std::vector<std::vector<float>>& mags, // vector of symbols magnitudes
int nbSymbolBits, //!< number of bits per symbol
std::string& msg, //!< formatted message
std::string& call1, //!< 1st callsign or shorthand
std::string& call2, //!< 2nd callsign
std::string& loc, //!< locator, report or shorthand
bool& reply //!< true if message is a reply report
)
{
if (m_codingScheme != ChirpChatDemodSettings::CodingFT) {
return;
}
ChirpChatDemodDecoderFT::decodeSymbols(
mags,
nbSymbolBits,
msg,
call1,
call2,
loc,
reply,
m_payloadParityStatus,
m_payloadCRCStatus
);
}
bool ChirpChatDemodDecoder::handleMessage(const Message& cmd)
{
if (ChirpChatDemodMsg::MsgDecodeSymbols::match(cmd))
@@ -145,7 +173,34 @@ bool ChirpChatDemodDecoder::handleMessage(const Message& cmd)
}
else if (m_codingScheme == ChirpChatDemodSettings::CodingFT)
{
std::string fmsg, call1, call2, loc;
bool reply;
decodeSymbols(
msg.getMagnitudes(),
m_nbSymbolBits,
fmsg,
call1,
call2,
loc,
reply
);
if (m_outputMessageQueue)
{
ChirpChatDemodMsg::MsgReportDecodeFT *outputMsg = ChirpChatDemodMsg::MsgReportDecodeFT::create();
outputMsg->setSyncWord(msgSyncWord);
outputMsg->setSignalDb(msgSignalDb);
outputMsg->setNoiseDb(msgNoiseDb);
outputMsg->setMsgTimestamp(msgTimestamp);
outputMsg->setMessage(QString(fmsg.c_str()));
outputMsg->setCall1(QString(call1.c_str()));
outputMsg->setCall2(QString(call2.c_str()));
outputMsg->setLoc(QString(loc.c_str()));
outputMsg->setReply(reply);
outputMsg->setPayloadParityStatus(getPayloadParityStatus());
outputMsg->setPayloadCRCStatus(getPayloadCRCStatus());
m_outputMessageQueue->push(outputMsg);
}
}
else
{