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Working decoder processing signal every second

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This commit is contained in:
Jordan Sherer 2019-10-29 21:55:43 -04:00
parent b351b72037
commit 854cf81f36
2 changed files with 21 additions and 6 deletions
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1
Detector.hpp
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@ -24,6 +24,7 @@ public:
//
Detector (unsigned frameRate, unsigned periodLengthInSeconds, unsigned downSampleFactor = 4u, QObject * parent = 0);
unsigned period() const {return m_period;}
void setTRPeriod(unsigned p) {m_period=p;}
bool reset () override;

24
mainwindow.cpp
View File

@ -2561,12 +2561,13 @@ void MainWindow::dataSink(qint64 frames)
qint32 halfSymbolStop = m_hsymStop;
bool newDataReady = m_ihsym % m_hsymStop == 0;
#if 0
#if 1
static int lastn = 0;
int n = now.time().second();
// newDataReady = n != lastn;
// lastn = n;
#elif 1
newDataReady = n != lastn;
dec_data.params.nsz = halfSymbolStop * m_nsps / 2.0;
lastn = n;
#elif 0
newDataReady = false;
if(!m_decoderBusy) // m_nSubMode == Varicode::JS8CallNormal)
@ -4074,13 +4075,23 @@ void MainWindow::decode(int submode, int period)
qDebug() << "try decode from" << (dec_data.params.kin-periodFrames) << "to" << dec_data.params.kin << "with period frames" << periodFrames;
}
#elif 1
// clear out d1
memset(dec_data.d1, 0, sizeof(dec_data.d1));
// compute frames to copy for decoding
int neededFrames = dec_data.params.nsz; // m_hsymStop*m_nsps/2;
int start = qMax(0, dec_data.params.kin-neededFrames);
int stop = qMin(start + neededFrames, dec_data.params.kin);
int availableFrames = stop - start;
int missingFrames = neededFrames - availableFrames;
qDebug() << "try decode from" << start << "to" << stop << "available" << availableFrames << "missing" << missingFrames;
memset(dec_data.d1, 0, sizeof(dec_data.d1));
if(missingFrames){
// the maximum frame is the period sample size
int maxFrames = m_detector->period() * RX_SAMPLE_RATE;
qDebug() << "-> copy missing frames from" << maxFrames-missingFrames << "to" << maxFrames << "to beginning of d1";
memcpy(dec_data.d1, &dec_data.d2[maxFrames-missingFrames], sizeof(dec_data.d2[0]) * missingFrames);
}
memcpy(dec_data.d1 + missingFrames, dec_data.d2 + start, sizeof(dec_data.d2[0]) * availableFrames);
#else
qDebug() << "try decode from" << 0 << "to" << dec_data.params.kin;
@ -5312,6 +5323,9 @@ void MainWindow::guiUpdate()
// force rx dirty at the end of the period
forceDirty = true;
}
if(!forceDirty){
forceDirty = !m_rxActivityQueue.isEmpty();
}
// update the dial frequency once per second..
displayDialFrequency();