mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-12-23 18:15:45 -05:00
347 lines
12 KiB
C++
347 lines
12 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
|
// written by Christian Daniel //
|
|
// Copyright (C) 2015-2019, 2023 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
|
|
// //
|
|
// This program is free software; you can redistribute it and/or modify //
|
|
// it under the terms of the GNU General Public License as published by //
|
|
// the Free Software Foundation as version 3 of the License, or //
|
|
// (at your option) any later version. //
|
|
// //
|
|
// This program is distributed in the hope that it will be useful, //
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
|
|
// GNU General Public License V3 for more details. //
|
|
// //
|
|
// You should have received a copy of the GNU General Public License //
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include <QStandardPaths>
|
|
#include <QDir>
|
|
#include <QDateTime>
|
|
|
|
#include "channel/channelapi.h"
|
|
#include "dsp/wavfilerecord.h"
|
|
#include "util/messagequeue.h"
|
|
#include "util/ft8message.h"
|
|
#include "util/maidenhead.h"
|
|
#include "maincore.h"
|
|
#include "SWGMapItem.h"
|
|
|
|
#include "ft8demodsettings.h"
|
|
#include "ft8demodworker.h"
|
|
|
|
FT8DemodWorker::FT8Callback::FT8Callback(
|
|
const QDateTime& periodTS,
|
|
qint64 baseFrequency,
|
|
FT8::Packing& packing,
|
|
const QString& name
|
|
) :
|
|
m_packing(packing),
|
|
m_periodTS(periodTS),
|
|
m_baseFrequency(baseFrequency),
|
|
m_name(name),
|
|
m_validCallsigns(nullptr)
|
|
{
|
|
m_msgReportFT8Messages = MsgReportFT8Messages::create();
|
|
m_msgReportFT8Messages->setBaseFrequency(baseFrequency);
|
|
}
|
|
|
|
int FT8DemodWorker::FT8Callback::hcb(
|
|
int *a91,
|
|
float hz0,
|
|
float off,
|
|
const char *comment,
|
|
float snr,
|
|
int pass,
|
|
int correct_bits
|
|
)
|
|
{
|
|
std::string call1;
|
|
std::string call2;
|
|
std::string loc;
|
|
std::string type;
|
|
std::string msg = m_packing.unpack(a91, call1, call2, loc, type);
|
|
|
|
cycle_mu.lock();
|
|
|
|
if (cycle_already.count(msg) > 0)
|
|
{
|
|
// already decoded this message on this cycle
|
|
cycle_mu.unlock();
|
|
return 1; // 1 => already seen, don't subtract.
|
|
}
|
|
|
|
cycle_already[msg] = true;
|
|
QString call2Str(call2.c_str());
|
|
QString info(comment);
|
|
|
|
if (m_validCallsigns && info.startsWith("OSD") && !m_validCallsigns->contains(call2Str))
|
|
{
|
|
cycle_mu.unlock();
|
|
return 2; // leave without reporting. Set as new decode.
|
|
}
|
|
|
|
QList<FT8Message>& ft8Messages = m_msgReportFT8Messages->getFT8Messages();
|
|
FT8Message baseMessage{
|
|
m_periodTS,
|
|
QString(type.c_str()),
|
|
pass,
|
|
(int) snr,
|
|
correct_bits,
|
|
off - 0.5f,
|
|
hz0,
|
|
QString(call1.c_str()).simplified(),
|
|
call2Str,
|
|
QString(loc.c_str()).simplified(),
|
|
info
|
|
};
|
|
|
|
// DXpedition packs two messages in one with the two callees in the first call area separated by a semicolon
|
|
if (type == "0.1")
|
|
{
|
|
QStringList callees = QString(call1.c_str()).simplified().split(";");
|
|
|
|
for (int i = 0; i < 2; i++)
|
|
{
|
|
baseMessage.call1 = callees[i];
|
|
|
|
if (i == 0) { // first is with RR73 greetings in locator area
|
|
baseMessage.loc = "RR73";
|
|
}
|
|
|
|
ft8Messages.push_back(baseMessage);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ft8Messages.push_back(baseMessage);
|
|
}
|
|
|
|
cycle_mu.unlock();
|
|
|
|
// qDebug("FT8DemodWorker::FT8Callback::hcb: %6.3f %d %3d %3d %5.2f %6.1f %s (%s)",
|
|
// m_baseFrequency / 1000000.0,
|
|
// pass,
|
|
// (int)snr,
|
|
// correct_bits,
|
|
// off - 0.5,
|
|
// hz0,
|
|
// msg.c_str(),
|
|
// comment
|
|
// );
|
|
|
|
return 2; // 2 => new decode, do subtract.
|
|
}
|
|
|
|
QString FT8DemodWorker::FT8Callback::get_name()
|
|
{
|
|
return m_name;
|
|
}
|
|
|
|
FT8DemodWorker::FT8DemodWorker() :
|
|
m_recordSamples(false),
|
|
m_nbDecoderThreads(6),
|
|
m_decoderTimeBudget(0.5),
|
|
m_useOSD(false),
|
|
m_osdDepth(0),
|
|
m_osdLDPCThreshold(70),
|
|
m_verifyOSD(false),
|
|
m_lowFreq(200),
|
|
m_highFreq(3000),
|
|
m_invalidSequence(true),
|
|
m_baseFrequency(0),
|
|
m_reportingMessageQueue(nullptr),
|
|
m_channel(nullptr)
|
|
{
|
|
QString relPath = "ft8/save";
|
|
QDir dir(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation));
|
|
dir.mkpath(relPath);
|
|
m_samplesPath = dir.absolutePath() + "/" + relPath;
|
|
qDebug("FT8DemodWorker::FT8DemodWorker: samples path: %s", qPrintable(m_samplesPath));
|
|
relPath = "ft8/logs";
|
|
m_logsPath = dir.absolutePath() + "/" + relPath;
|
|
qDebug("FT8DemodWorker::FT8DemodWorker: logs path: %s", qPrintable(m_logsPath));
|
|
}
|
|
|
|
FT8DemodWorker::~FT8DemodWorker()
|
|
{}
|
|
|
|
void FT8DemodWorker::processBuffer(int16_t *buffer, QDateTime periodTS)
|
|
{
|
|
qDebug("FT8DemodWorker::processBuffer: %6.3f %s %d:%f [%d:%d]",
|
|
m_baseFrequency / 1000000.0,
|
|
qPrintable(periodTS.toString("yyyy-MM-dd HH:mm:ss")),
|
|
m_nbDecoderThreads,
|
|
m_decoderTimeBudget,
|
|
m_lowFreq,
|
|
m_highFreq
|
|
);
|
|
|
|
if (m_invalidSequence)
|
|
{
|
|
qDebug("FT8DemodWorker::processBuffer: invalid sequence");
|
|
m_invalidSequence = false;
|
|
return;
|
|
}
|
|
|
|
QString channelReference = "d0c0"; // default
|
|
|
|
if (m_channel) {
|
|
channelReference = tr("d%1c%2").arg(m_channel->getDeviceSetIndex()).arg(m_channel->getIndexInDeviceSet());
|
|
}
|
|
|
|
int hints[2] = { 2, 0 }; // CQ
|
|
FT8Callback ft8Callback(periodTS, m_baseFrequency, m_packing, channelReference);
|
|
ft8Callback.setValidCallsigns((m_useOSD && m_verifyOSD) ? &m_validCallsigns : nullptr);
|
|
m_ft8Decoder.getParams().nthreads = m_nbDecoderThreads;
|
|
m_ft8Decoder.getParams().use_osd = m_useOSD ? 1 : 0;
|
|
m_ft8Decoder.getParams().osd_depth = m_osdDepth;
|
|
m_ft8Decoder.getParams().osd_ldpc_thresh = m_osdLDPCThreshold;
|
|
std::vector<float> samples(15*FT8DemodSettings::m_ft8SampleRate);
|
|
|
|
std::transform(
|
|
buffer,
|
|
buffer + (15*FT8DemodSettings::m_ft8SampleRate),
|
|
samples.begin(),
|
|
[](const int16_t& s) -> float { return s / 32768.0f; }
|
|
);
|
|
|
|
m_ft8Decoder.entry(
|
|
samples.data(),
|
|
samples.size(),
|
|
0.5 * FT8DemodSettings::m_ft8SampleRate,
|
|
FT8DemodSettings::m_ft8SampleRate,
|
|
m_lowFreq,
|
|
m_highFreq,
|
|
hints,
|
|
hints,
|
|
m_decoderTimeBudget,
|
|
m_decoderTimeBudget,
|
|
&ft8Callback,
|
|
0,
|
|
(struct FT8::cdecode *) nullptr
|
|
);
|
|
|
|
m_ft8Decoder.wait(m_decoderTimeBudget + 1.0); // add one second to budget to force quit threads
|
|
qDebug("FT8DemodWorker::processBuffer: done: at %6.3f %d messages",
|
|
m_baseFrequency / 1000000.0, ft8Callback.getReportMessage()->getFT8Messages().size());
|
|
|
|
if (m_reportingMessageQueue) {
|
|
m_reportingMessageQueue->push(new MsgReportFT8Messages(*ft8Callback.getReportMessage()));
|
|
}
|
|
|
|
QList<ObjectPipe*> mapPipes;
|
|
MainCore::instance()->getMessagePipes().getMessagePipes((const QObject*) m_channel, "mapitems", mapPipes);
|
|
const QList<FT8Message>& ft8Messages = ft8Callback.getReportMessage()->getFT8Messages();
|
|
std::ofstream logFile;
|
|
double baseFrequencyMHz = m_baseFrequency/1000000.0;
|
|
|
|
for (const auto& ft8Message : ft8Messages)
|
|
{
|
|
if (m_logMessages)
|
|
{
|
|
if (!logFile.is_open())
|
|
{
|
|
QString logFileName(tr("%1_%2.txt").arg(periodTS.toString("yyyyMMdd")).arg(channelReference));
|
|
QFileInfo lfi(QDir(m_logsPath), logFileName);
|
|
QString logFilePath = lfi.absoluteFilePath();
|
|
|
|
if (lfi.exists()) {
|
|
logFile.open(logFilePath.toStdString(), std::ios::app);
|
|
} else {
|
|
logFile.open(logFilePath.toStdString());
|
|
}
|
|
}
|
|
|
|
if (ft8Message.call1 == "UNK") {
|
|
continue;
|
|
}
|
|
|
|
QString logMessage = QString("%1 %2 Rx FT8 %3 %4 %5 %6 %7 %8")
|
|
.arg(periodTS.toString("yyyyMMdd_HHmmss"))
|
|
.arg(baseFrequencyMHz, 9, 'f', 3)
|
|
.arg(ft8Message.snr, 6)
|
|
.arg(ft8Message.dt, 4, 'f', 1)
|
|
.arg(ft8Message.df, 4, 'f', 0)
|
|
.arg(ft8Message.call1)
|
|
.arg(ft8Message.call2)
|
|
.arg(ft8Message.loc);
|
|
logMessage.remove(0, 2);
|
|
logFile << logMessage.toStdString() << std::endl;
|
|
}
|
|
|
|
if (mapPipes.size() > 0)
|
|
{
|
|
// If message contains a Maidenhead locator, display caller on Map feature
|
|
float latitude, longitude;
|
|
|
|
if ((ft8Message.loc.size() == 4) && (ft8Message.loc != "RR73") && Maidenhead::fromMaidenhead(ft8Message.loc, latitude, longitude))
|
|
{
|
|
QString text = QString("%1\nMode: FT8\nFrequency: %2 Hz\nLocator: %3\nSNR: %4\nLast heard: %5")
|
|
.arg(ft8Message.call2)
|
|
.arg(baseFrequencyMHz*1000000 + ft8Message.df)
|
|
.arg(ft8Message.loc)
|
|
.arg(ft8Message.snr)
|
|
.arg(periodTS.toString("dd MMM yyyy HH:mm:ss"));
|
|
|
|
for (const auto& pipe : mapPipes)
|
|
{
|
|
MessageQueue *messageQueue = qobject_cast<MessageQueue*>(pipe->m_element);
|
|
SWGSDRangel::SWGMapItem *swgMapItem = new SWGSDRangel::SWGMapItem();
|
|
swgMapItem->setName(new QString(ft8Message.call2));
|
|
swgMapItem->setLatitude(latitude);
|
|
swgMapItem->setLongitude(longitude);
|
|
swgMapItem->setAltitude(0);
|
|
swgMapItem->setAltitudeReference(1); // CLAMP_TO_GROUND
|
|
swgMapItem->setPositionDateTime(new QString(QDateTime::currentDateTime().toString(Qt::ISODateWithMs)));
|
|
swgMapItem->setImageRotation(0);
|
|
swgMapItem->setText(new QString(text));
|
|
swgMapItem->setImage(new QString("antenna.png"));
|
|
swgMapItem->setModel(new QString("antenna.glb"));
|
|
swgMapItem->setModelAltitudeOffset(0.0);
|
|
swgMapItem->setLabel(new QString(ft8Message.call2));
|
|
swgMapItem->setLabelAltitudeOffset(4.5);
|
|
swgMapItem->setFixedPosition(false);
|
|
swgMapItem->setOrientation(0);
|
|
swgMapItem->setHeading(0);
|
|
MainCore::MsgMapItem *msg = MainCore::MsgMapItem::create((const QObject*) m_channel, swgMapItem);
|
|
messageQueue->push(msg);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (m_verifyOSD && !ft8Message.decoderInfo.startsWith("OSD"))
|
|
{
|
|
if ((ft8Message.type == "1") || (ft8Message.type == "2"))
|
|
{
|
|
if (!ft8Message.call2.startsWith("<")) {
|
|
m_validCallsigns.insert(ft8Message.call2);
|
|
}
|
|
|
|
if (!ft8Message.call1.startsWith("CQ") && !ft8Message.call1.startsWith("<")) {
|
|
m_validCallsigns.insert(ft8Message.call1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
delete ft8Callback.getReportMessage();
|
|
|
|
if (m_recordSamples)
|
|
{
|
|
WavFileRecord *wavFileRecord = new WavFileRecord(FT8DemodSettings::m_ft8SampleRate);
|
|
QFileInfo wfi(QDir(m_samplesPath), periodTS.toString("yyyyMMdd_HHmmss"));
|
|
QString wpath = wfi.absoluteFilePath();
|
|
qDebug("FT8DemodWorker::processBuffer: WAV file: %s.wav", qPrintable(wpath));
|
|
wavFileRecord->setFileName(wpath);
|
|
wavFileRecord->setFileBaseIsFileName(true);
|
|
wavFileRecord->setMono(true);
|
|
wavFileRecord->startRecording();
|
|
wavFileRecord->writeMono(buffer, 15*FT8DemodSettings::m_ft8SampleRate);
|
|
wavFileRecord->stopRecording();
|
|
delete wavFileRecord;
|
|
}
|
|
}
|