mirror of
https://github.com/cjcliffe/CubicSDR.git
synced 2024-09-27 15:56:48 -04:00
SDRPostThread clean-up and re-factoring
This commit is contained in:
Charles J. Cliffe
parent
afc29303c9
commit
8cb5e9e244
@ -2252,7 +2252,6 @@ void AppFrame::OnIdle(wxIdleEvent& event) {
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}
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wproc->setView(waterfallCanvas->getViewState(), waterfallCanvas->getCenterFrequency(), waterfallCanvas->getBandwidth());
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wxGetApp().getSDRPostThread()->setIQVisualRange(waterfallCanvas->getCenterFrequency(), waterfallCanvas->getBandwidth());
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proc->setView(wproc->isView(), wproc->getCenterFrequency(), wproc->getBandwidth());
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@ -20,42 +20,28 @@ SDRPostThread::SDRPostThread() : IOThread(), buffers("SDRPostThreadBuffers"), vi
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numChannels = 0;
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channelizer = nullptr;
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channelizer2 = nullptr;
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// Channel mode default temporary for testing
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chanMode = 2;
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lastChanMode = 0;
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sampleRate = 0;
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visFrequency.store(0);
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visBandwidth.store(0);
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doRefresh.store(false);
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dcFilter = iirfilt_crcf_create_dc_blocker(0.0005f);
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}
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SDRPostThread::~SDRPostThread() {
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}
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void SDRPostThread::notifyDemodulatorsChanged() {
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doRefresh.store(true);
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}
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void SDRPostThread::initPFBChannelizer() {
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// std::cout << "Initializing post-process FIR polyphase filterbank channelizer with " << numChannels << " channels." << std::endl;
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if (channelizer) {
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firpfbch_crcf_destroy(channelizer);
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}
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channelizer = firpfbch_crcf_create_kaiser(LIQUID_ANALYZER, numChannels, 4, 60);
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chanBw = (sampleRate / numChannels);
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chanCenters.resize(numChannels+1);
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demodChannelActive.resize(numChannels+1);
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// std::cout << "Channel bandwidth spacing: " << (chanBw) << std::endl;
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}
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// Update the active list of demodulators for handling
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void SDRPostThread::updateActiveDemodulators() {
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// In range?
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@ -114,8 +100,8 @@ void SDRPostThread::updateActiveDemodulators() {
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}
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}
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void SDRPostThread::resetAllDemodulators() {
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//retreive the current list of demodulators:
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auto demodulators = wxGetApp().getDemodMgr().getDemodulators();
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@ -128,6 +114,8 @@ void SDRPostThread::resetAllDemodulators() {
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doRefresh.store(true);
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}
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// Update the channel positions and frequencies
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void SDRPostThread::updateChannels() {
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// calculate channel center frequencies, todo: cache
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for (int i = 0; i < numChannels/2; i++) {
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@ -138,6 +126,8 @@ void SDRPostThread::updateChannels() {
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chanCenters[numChannels] = frequency + (sampleRate/2);
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}
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// Find the channelizer channel that corresponds to the given frequency
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int SDRPostThread::getChannelAt(long long frequency) {
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int chan = -1;
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long long minDelta = sampleRate;
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@ -151,19 +141,17 @@ int SDRPostThread::getChannelAt(long long frequency) {
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return chan;
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}
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void SDRPostThread::setIQVisualRange(long long frequency, int bandwidth) {
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visFrequency.store(frequency);
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visBandwidth.store(bandwidth);
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}
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void SDRPostThread::setChannelizerType(SDRPostThreadChannelizerType chType) {
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chanMode.store((int)chType);
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}
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SDRPostThreadChannelizerType SDRPostThread::getChannelizerType() {
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return (SDRPostThreadChannelizerType) chanMode.load();
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}
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void SDRPostThread::run() {
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#ifdef __APPLE__
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pthread_t tID = pthread_self(); // ID of this thread
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@ -189,6 +177,9 @@ void SDRPostThread::run() {
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bool doUpdate = false;
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if (data_in && data_in->data.size()) {
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pushVisualData(data_in.get());
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if(data_in->numChannels > 1) {
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if (chanMode == 1) {
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runPFBCH(data_in.get());
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@ -210,6 +201,7 @@ void SDRPostThread::run() {
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//Only update the list of demodulators here
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if (doUpdate || doRefresh.load()) {
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updateActiveDemodulators();
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doRefresh.store(false);
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}
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} //end while
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@ -231,110 +223,8 @@ void SDRPostThread::terminate() {
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iqActiveDemodVisualQueue->flush();
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}
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void SDRPostThread::runSingleCH(SDRThreadIQData *data_in) {
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if (sampleRate != data_in->sampleRate) {
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sampleRate = data_in->sampleRate;
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numChannels = 1;
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doRefresh.store(true);
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}
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size_t dataSize = data_in->data.size();
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size_t outSize = data_in->data.size();
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if (outSize > dataOut.capacity()) {
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dataOut.reserve(outSize);
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}
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if (outSize != dataOut.size()) {
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dataOut.resize(outSize);
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}
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if (frequency != data_in->frequency) {
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frequency = data_in->frequency;
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doRefresh.store(true);
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}
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if (doRefresh.load()) {
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updateActiveDemodulators();
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doRefresh.store(false);
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}
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size_t refCount = runDemods.size();
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bool doIQDataOut = (iqDataOutQueue != nullptr && !iqDataOutQueue->full());
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bool doDemodVisOut = (runDemods.size() > 0 && iqActiveDemodVisualQueue != nullptr && !iqActiveDemodVisualQueue->full());
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bool doVisOut = (iqVisualQueue != nullptr && !iqVisualQueue->full());
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if (doIQDataOut) {
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refCount++;
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}
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if (doDemodVisOut) {
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refCount++;
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}
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if (doVisOut) {
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refCount++;
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}
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if (refCount) {
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DemodulatorThreadIQDataPtr demodDataOut = buffers.getBuffer();
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demodDataOut->frequency = frequency;
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demodDataOut->sampleRate = sampleRate;
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if (demodDataOut->data.size() != dataSize) {
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if (demodDataOut->data.capacity() < dataSize) {
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demodDataOut->data.reserve(dataSize);
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}
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demodDataOut->data.resize(dataSize);
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}
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iirfilt_crcf_execute_block(dcFilter, &data_in->data[0], dataSize, &demodDataOut->data[0]);
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if (doDemodVisOut) {
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//VSO: blocking push
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iqActiveDemodVisualQueue->push(demodDataOut);
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}
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if (doIQDataOut) {
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//VSO: blocking push
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iqDataOutQueue->push(demodDataOut);
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}
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if (doVisOut) {
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//VSO: blocking push
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iqVisualQueue->push(demodDataOut);
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}
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for (size_t i = 0; i < runDemods.size(); i++) {
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// try-push() : we do our best to only stimulate active demods, but some could happen to be dead, full, or indeed non-active.
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//so in short never block here no matter what.
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if (!runDemods[i]->getIQInputDataPipe()->try_push(demodDataOut)) {
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// std::cout << "SDRPostThread::runSingleCH() attempt to push into demod '" << runDemods[i]->getLabel()
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// << "' (" << runDemods[i]->getFrequency() << " Hz) failed, demod is either too busy, not-active, or dead..." << std::endl << std::flush;
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std::this_thread::yield();
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}
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}
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}
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}
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void SDRPostThread::runPFBCH(SDRThreadIQData *data_in) {
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if (numChannels != data_in->numChannels || sampleRate != data_in->sampleRate || chanMode != lastChanMode) {
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numChannels = data_in->numChannels;
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sampleRate = data_in->sampleRate;
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initPFBChannelizer();
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lastChanMode = 1;
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doRefresh.store(true);
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}
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size_t dataSize = data_in->data.size();
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size_t outSize = data_in->data.size();
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if (outSize > dataOut.capacity()) {
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dataOut.reserve(outSize);
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}
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if (outSize != dataOut.size()) {
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dataOut.resize(outSize);
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}
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// Push visual data; i.e. Main Waterfall (all frames) and Spectrum (active frame)
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void SDRPostThread::pushVisualData(SDRThreadIQData *data_in) {
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if (iqDataOutQueue != nullptr && !iqDataOutQueue->full()) {
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DemodulatorThreadIQDataPtr iqDataOut = visualDataBuffers.getBuffer();
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@ -346,130 +236,241 @@ void SDRPostThread::runPFBCH(SDRThreadIQData *data_in) {
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iqDataOut->frequency = data_in->frequency;
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iqDataOut->sampleRate = data_in->sampleRate;
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iqDataOut->data.assign(data_in->data.begin(), data_in->data.begin() + dataSize);
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iqDataOut->data.assign(data_in->data.begin(), data_in->data.begin() + data_in->data.size());
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//VSO: blocking push
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iqDataOutQueue->push(iqDataOut);
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if (doVis) {
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//VSO: blocking push
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iqVisualQueue->push(iqDataOut);
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}
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}
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}
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// Run without any processing; each demod gets the full SDR bandwidth to handle on it's own
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void SDRPostThread::runSingleCH(SDRThreadIQData *data_in) {
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bool refreshed = false;
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if (frequency != data_in->frequency) {
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if (sampleRate != data_in->sampleRate || doRefresh.load()) {
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sampleRate = data_in->sampleRate;
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numChannels = 1;
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refreshed = true;
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}
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if (refreshed || frequency != data_in->frequency) {
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frequency = data_in->frequency;
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doRefresh.store(true);
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}
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if (doRefresh.load()) {
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updateActiveDemodulators();
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updateChannels();
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doRefresh.store(false);
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}
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DemodulatorInstancePtr activeDemod = wxGetApp().getDemodMgr().getLastActiveDemodulator();
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int activeDemodChannel = -1;
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size_t outSize = data_in->data.size();
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// Find active demodulators
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if (runDemods.size() > 0) {
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// channelize data
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// firpfbch output rate is (input rate / channels)
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for (int i = 0, iMax = dataSize; i < iMax; i+=numChannels) {
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firpfbch_crcf_analyzer_execute(channelizer, &data_in->data[i], &dataOut[i]);
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if (outSize > dataOut.capacity()) {
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dataOut.reserve(outSize);
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}
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if (outSize != dataOut.size()) {
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dataOut.resize(outSize);
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}
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DemodulatorThreadIQDataPtr demodDataOut = buffers.getBuffer();
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demodDataOut->frequency = frequency;
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demodDataOut->sampleRate = sampleRate;
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if (demodDataOut->data.size() != outSize) {
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if (demodDataOut->data.capacity() < outSize) {
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demodDataOut->data.reserve(outSize);
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}
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for (int i = 0, iMax = numChannels+1; i < iMax; i++) {
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demodChannelActive[i] = 0;
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}
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// Find nearest channel for each demodulator
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for (size_t i = 0; i < runDemods.size(); i++) {
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DemodulatorInstancePtr demod = runDemods[i];
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demodChannel[i] = getChannelAt(demod->getFrequency());
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if (demod == activeDemod) {
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activeDemodChannel = demodChannel[i];
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}
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}
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for (size_t i = 0; i < runDemods.size(); i++) {
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// cache channel usage refcounts
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if (demodChannel[i] >= 0) {
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demodChannelActive[demodChannel[i]]++;
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}
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}
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// Run channels
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for (int i = 0; i < numChannels+1; i++) {
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int doDemodVis = ((activeDemodChannel == i) && (iqActiveDemodVisualQueue != nullptr) && !iqActiveDemodVisualQueue->full())?1:0;
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if (!doDemodVis && demodChannelActive[i] == 0) {
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continue;
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}
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DemodulatorThreadIQDataPtr demodDataOut = buffers.getBuffer();
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demodDataOut->frequency = chanCenters[i];
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demodDataOut->sampleRate = chanBw;
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// Calculate channel buffer size
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size_t chanDataSize = (outSize/numChannels);
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if (demodDataOut->data.size() != chanDataSize) {
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if (demodDataOut->data.capacity() < chanDataSize) {
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demodDataOut->data.reserve(chanDataSize);
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}
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demodDataOut->data.resize(chanDataSize);
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}
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int idx = i;
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// Extra channel wraps lower side band of lowest channel
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// to fix frequency gap on upper side of spectrum
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if (i == numChannels) {
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idx = (numChannels/2);
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}
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// prepare channel data buffer
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if (i == 0) { // Channel 0 requires DC correction
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if (dcBuf.size() != chanDataSize) {
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dcBuf.resize(chanDataSize);
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}
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for (size_t j = 0; j < chanDataSize; j++) {
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dcBuf[j] = dataOut[idx];
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idx += numChannels;
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}
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iirfilt_crcf_execute_block(dcFilter, &dcBuf[0], chanDataSize, &demodDataOut->data[0]);
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} else {
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for (size_t j = 0; j < chanDataSize; j++) {
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demodDataOut->data[j] = dataOut[idx];
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idx += numChannels;
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}
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}
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if (doDemodVis) {
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//VSO: blocking push
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iqActiveDemodVisualQueue->push(demodDataOut);
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}
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for (size_t j = 0; j < runDemods.size(); j++) {
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if (demodChannel[j] == i) {
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// try-push() : we do our best to only stimulate active demods, but some could happen to be dead, full, or indeed non-active.
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//so in short never block here no matter what.
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if (!runDemods[j]->getIQInputDataPipe()->try_push(demodDataOut)) {
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// std::cout << "SDRPostThread::runPFBCH() attempt to push into demod '" << runDemods[i]->getLabel()
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// << "' (" << runDemods[i]->getFrequency() << " Hz) failed, demod is either too busy, not-active, or dead..." << std::endl << std::flush;
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std::this_thread::yield();
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}
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}
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} //end for
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demodDataOut->data.resize(outSize);
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}
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iirfilt_crcf_execute_block(dcFilter, &data_in->data[0], data_in->data.size(), &demodDataOut->data[0]);
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if (runDemods.size() > 0 && iqActiveDemodVisualQueue != nullptr && !iqActiveDemodVisualQueue->full()) {
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//VSO: blocking push
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iqActiveDemodVisualQueue->push(demodDataOut);
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}
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if (iqDataOutQueue != nullptr && !iqDataOutQueue->full()) {
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//VSO: blocking push
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iqDataOutQueue->push(demodDataOut);
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}
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if (iqVisualQueue != nullptr && !iqVisualQueue->full()) {
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//VSO: blocking push
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iqVisualQueue->push(demodDataOut);
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}
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for (size_t i = 0; i < runDemods.size(); i++) {
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// try-push() : we do our best to only stimulate active demods, but some could happen to be dead, full, or indeed non-active.
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//so in short never block here no matter what.
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if (!runDemods[i]->getIQInputDataPipe()->try_push(demodDataOut)) {
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// std::cout << "SDRPostThread::runSingleCH() attempt to push into demod '" << runDemods[i]->getLabel()
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// << "' (" << runDemods[i]->getFrequency() << " Hz) failed, demod is either too busy, not-active, or dead..." << std::endl << std::flush;
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std::this_thread::yield();
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}
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}
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}
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void SDRPostThread::initPFBChannelizer2() {
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// Handle active channels, channel 0 offset correction, de-interlacing and push data to demodulators
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void SDRPostThread::runDemodChannels(int channelBandwidth) {
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DemodulatorInstancePtr activeDemod = wxGetApp().getDemodMgr().getLastActiveDemodulator();
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// Calculate channel data size
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size_t chanDataSize = dataOut.size()/numChannels;
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// Channel for the 'active' demod that's displaying visual data
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int activeDemodChannel = -1;
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for (int i = 0, iMax = numChannels+1; i < iMax; i++) {
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demodChannelActive[i] = 0;
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}
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// Find nearest channel for each demodulator
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for (size_t i = 0; i < runDemods.size(); i++) {
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DemodulatorInstancePtr demod = runDemods[i];
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demodChannel[i] = getChannelAt(demod->getFrequency());
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if (demod == activeDemod) {
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activeDemodChannel = demodChannel[i];
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}
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}
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// Count the demods per-channel
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for (size_t i = 0; i < runDemods.size(); i++) {
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if (demodChannel[i] >= 0) {
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demodChannelActive[demodChannel[i]]++;
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}
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}
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// Run channels
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for (int i = 0; i < numChannels+1; i++) {
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bool doDemodVis = (activeDemodChannel == i) && (iqActiveDemodVisualQueue != nullptr) && !iqActiveDemodVisualQueue->full();
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if (!doDemodVis && demodChannelActive[i] == 0) {
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// Nothing to do for this channel? continue.
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continue;
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}
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// Get a channel buffer
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DemodulatorThreadIQDataPtr demodDataOut = buffers.getBuffer();
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demodDataOut->frequency = chanCenters[i];
|
||||
demodDataOut->sampleRate = channelBandwidth;
|
||||
|
||||
// Resize and update capacity of buffer if necessary
|
||||
if (demodDataOut->data.size() != chanDataSize) {
|
||||
if (demodDataOut->data.capacity() < chanDataSize) {
|
||||
demodDataOut->data.reserve(chanDataSize);
|
||||
}
|
||||
demodDataOut->data.resize(chanDataSize);
|
||||
}
|
||||
|
||||
// Start copying interleaved data at given channel index
|
||||
int idx = i;
|
||||
|
||||
// Extra channel wraps left side band of lowest channel
|
||||
// to fix frequency gap on right side of spectrum
|
||||
if (i == numChannels) {
|
||||
idx = (numChannels/2);
|
||||
}
|
||||
|
||||
// prepare channel data buffer
|
||||
if (i == 0) { // Channel 0 requires DC correction
|
||||
// Update DC Buffer size if needed
|
||||
if (dcBuf.size() != chanDataSize) {
|
||||
dcBuf.resize(chanDataSize);
|
||||
}
|
||||
// Copy interleaved channel data to dc buffer
|
||||
for (size_t j = 0; j < chanDataSize; j++) {
|
||||
dcBuf[j] = dataOut[idx];
|
||||
idx += numChannels;
|
||||
}
|
||||
// Run DC Filter from dcBuf to demod output buffer
|
||||
iirfilt_crcf_execute_block(dcFilter, &dcBuf[0], chanDataSize, &demodDataOut->data[0]);
|
||||
} else {
|
||||
// Copy interleaved channel data to demod output buffer
|
||||
for (size_t j = 0; j < chanDataSize; j++) {
|
||||
demodDataOut->data[j] = dataOut[idx];
|
||||
idx += numChannels;
|
||||
}
|
||||
}
|
||||
|
||||
if (doDemodVis) {
|
||||
//VSO: blocking push
|
||||
iqActiveDemodVisualQueue->push(demodDataOut);
|
||||
}
|
||||
|
||||
for (size_t j = 0; j < runDemods.size(); j++) {
|
||||
if (demodChannel[j] == i) {
|
||||
|
||||
// try-push() : we do our best to only stimulate active demods, but some could happen to be dead, full, or indeed non-active.
|
||||
//so in short never block here no matter what.
|
||||
if (!runDemods[j]->getIQInputDataPipe()->try_push(demodDataOut)) {
|
||||
// std::cout << "SDRPostThread::runPFBCH() attempt to push into demod '" << runDemods[i]->getLabel()
|
||||
// << "' (" << runDemods[i]->getFrequency() << " Hz) failed, demod is either too busy, not-active, or dead..." << std::endl << std::flush;
|
||||
std::this_thread::yield();
|
||||
}
|
||||
}
|
||||
} //end for
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void SDRPostThread::initPFBCH() {
|
||||
// std::cout << "Initializing post-process FIR polyphase filterbank channelizer with " << numChannels << " channels." << std::endl;
|
||||
if (channelizer) {
|
||||
firpfbch_crcf_destroy(channelizer);
|
||||
}
|
||||
channelizer = firpfbch_crcf_create_kaiser(LIQUID_ANALYZER, numChannels, 4, 60);
|
||||
|
||||
chanBw = (sampleRate / numChannels);
|
||||
|
||||
chanCenters.resize(numChannels+1);
|
||||
demodChannelActive.resize(numChannels+1);
|
||||
|
||||
// std::cout << "Channel bandwidth spacing: " << (chanBw) << std::endl;
|
||||
}
|
||||
|
||||
void SDRPostThread::runPFBCH(SDRThreadIQData *data_in) {
|
||||
bool refreshed = false;
|
||||
if (numChannels != data_in->numChannels || sampleRate != data_in->sampleRate || chanMode != lastChanMode || doRefresh.load()) {
|
||||
numChannels = data_in->numChannels;
|
||||
sampleRate = data_in->sampleRate;
|
||||
initPFBCH();
|
||||
lastChanMode = 1;
|
||||
refreshed = true;
|
||||
}
|
||||
|
||||
if (refreshed || frequency != data_in->frequency) {
|
||||
frequency = data_in->frequency;
|
||||
updateActiveDemodulators();
|
||||
updateChannels();
|
||||
}
|
||||
|
||||
size_t outSize = data_in->data.size();
|
||||
|
||||
if (outSize > dataOut.capacity()) {
|
||||
dataOut.reserve(outSize);
|
||||
}
|
||||
if (outSize != dataOut.size()) {
|
||||
dataOut.resize(outSize);
|
||||
}
|
||||
|
||||
// Find active demodulators
|
||||
if (runDemods.size() > 0) {
|
||||
// Channelize data
|
||||
// firpfbch produces [numChannels] interleaved output samples for every [numChannels] samples
|
||||
for (int i = 0, iMax = data_in->data.size(); i < iMax; i+=numChannels) {
|
||||
firpfbch_crcf_analyzer_execute(channelizer, &data_in->data[i], &dataOut[i]);
|
||||
}
|
||||
|
||||
runDemodChannels(chanBw);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void SDRPostThread::initPFBCH2() {
|
||||
// std::cout << "Initializing post-process FIR polyphase filterbank channelizer with " << numChannels << " channels." << std::endl;
|
||||
if (channelizer2) {
|
||||
firpfbch2_crcf_destroy(channelizer2);
|
||||
@ -480,158 +481,42 @@ void SDRPostThread::initPFBChannelizer2() {
|
||||
|
||||
chanCenters.resize(numChannels+1);
|
||||
demodChannelActive.resize(numChannels+1);
|
||||
|
||||
// std::cout << "Channel bandwidth spacing: " << (chanBw) << std::endl;
|
||||
}
|
||||
|
||||
void SDRPostThread::runPFBCH2(SDRThreadIQData *data_in) {
|
||||
if (numChannels != data_in->numChannels || sampleRate != data_in->sampleRate || chanMode != lastChanMode) {
|
||||
bool refreshed = false;
|
||||
if (numChannels != data_in->numChannels || sampleRate != data_in->sampleRate || chanMode != lastChanMode || doRefresh.load()) {
|
||||
numChannels = data_in->numChannels;
|
||||
sampleRate = data_in->sampleRate;
|
||||
initPFBChannelizer2();
|
||||
initPFBCH2();
|
||||
lastChanMode = 2;
|
||||
doRefresh.store(true);
|
||||
refreshed = true;
|
||||
}
|
||||
|
||||
if (refreshed || frequency != data_in->frequency) {
|
||||
frequency = data_in->frequency;
|
||||
updateActiveDemodulators();
|
||||
updateChannels();
|
||||
}
|
||||
|
||||
size_t dataSize = data_in->data.size();
|
||||
size_t outSize = data_in->data.size();
|
||||
size_t outSize = data_in->data.size() * 2;
|
||||
|
||||
if (outSize > dataOut.capacity()) {
|
||||
dataOut.reserve(outSize);
|
||||
}
|
||||
if (outSize != dataOut.size() * 2) {
|
||||
dataOut.resize(outSize * 2);
|
||||
if (outSize != dataOut.size()) {
|
||||
dataOut.resize(outSize);
|
||||
}
|
||||
|
||||
if (iqDataOutQueue != nullptr && !iqDataOutQueue->full()) {
|
||||
DemodulatorThreadIQDataPtr iqDataOut = visualDataBuffers.getBuffer();
|
||||
|
||||
bool doVis = false;
|
||||
|
||||
if (iqVisualQueue != nullptr && !iqVisualQueue->full()) {
|
||||
doVis = true;
|
||||
}
|
||||
|
||||
iqDataOut->frequency = data_in->frequency;
|
||||
iqDataOut->sampleRate = data_in->sampleRate;
|
||||
iqDataOut->data.assign(data_in->data.begin(), data_in->data.begin() + dataSize);
|
||||
|
||||
//VSO: blocking push
|
||||
iqDataOutQueue->push(iqDataOut);
|
||||
|
||||
if (doVis) {
|
||||
//VSO: blocking push
|
||||
iqVisualQueue->push(iqDataOut);
|
||||
}
|
||||
}
|
||||
|
||||
if (frequency != data_in->frequency) {
|
||||
frequency = data_in->frequency;
|
||||
doRefresh.store(true);
|
||||
}
|
||||
|
||||
if (doRefresh.load()) {
|
||||
updateActiveDemodulators();
|
||||
updateChannels();
|
||||
doRefresh.store(false);
|
||||
}
|
||||
|
||||
DemodulatorInstancePtr activeDemod = wxGetApp().getDemodMgr().getLastActiveDemodulator();
|
||||
int activeDemodChannel = -1;
|
||||
|
||||
// Find active demodulators
|
||||
if (runDemods.size() > 0) {
|
||||
|
||||
// channelize data
|
||||
// firpfbch2 produces M output for every M/2 input
|
||||
for (int i = 0, iMax = dataSize; i < iMax; i += numChannels/2) {
|
||||
// Channelize data
|
||||
// firpfbch2 produces [numChannels] interleaved output samples for every [numChannels/2] input samples
|
||||
for (int i = 0, iMax = data_in->data.size(); i < iMax; i += numChannels/2) {
|
||||
firpfbch2_crcf_execute(channelizer2, &data_in->data[i], &dataOut[i*2]);
|
||||
}
|
||||
|
||||
for (int i = 0, iMax = numChannels+1; i < iMax; i++) {
|
||||
demodChannelActive[i] = 0;
|
||||
}
|
||||
|
||||
// Find nearest channel for each demodulator
|
||||
for (size_t i = 0; i < runDemods.size(); i++) {
|
||||
DemodulatorInstancePtr demod = runDemods[i];
|
||||
demodChannel[i] = getChannelAt(demod->getFrequency());
|
||||
if (demod == activeDemod) {
|
||||
activeDemodChannel = demodChannel[i];
|
||||
}
|
||||
}
|
||||
|
||||
for (size_t i = 0; i < runDemods.size(); i++) {
|
||||
// cache channel usage refcounts
|
||||
if (demodChannel[i] >= 0) {
|
||||
demodChannelActive[demodChannel[i]]++;
|
||||
}
|
||||
}
|
||||
|
||||
// Run channels
|
||||
for (int i = 0; i < numChannels+1; i++) {
|
||||
int doDemodVis = ((activeDemodChannel == i) && (iqActiveDemodVisualQueue != nullptr) && !iqActiveDemodVisualQueue->full())?1:0;
|
||||
|
||||
if (!doDemodVis && demodChannelActive[i] == 0) {
|
||||
continue;
|
||||
}
|
||||
|
||||
DemodulatorThreadIQDataPtr demodDataOut = buffers.getBuffer();
|
||||
demodDataOut->frequency = chanCenters[i];
|
||||
demodDataOut->sampleRate = chanBw * 2;
|
||||
|
||||
// Calculate channel buffer size
|
||||
size_t chanDataSize = (outSize/numChannels);
|
||||
|
||||
if (demodDataOut->data.size() != chanDataSize * 2) {
|
||||
if (demodDataOut->data.capacity() < chanDataSize * 2) {
|
||||
demodDataOut->data.reserve(chanDataSize * 2);
|
||||
}
|
||||
demodDataOut->data.resize(chanDataSize * 2);
|
||||
}
|
||||
|
||||
int idx = i;
|
||||
|
||||
// Extra channel wraps lower side band of lowest channel
|
||||
// to fix frequency gap on upper side of spectrum
|
||||
if (i == numChannels) {
|
||||
idx = (numChannels/2);
|
||||
}
|
||||
|
||||
// prepare channel data buffer
|
||||
if (i == 0) { // Channel 0 requires DC correction
|
||||
if (dcBuf.size() != chanDataSize * 2) {
|
||||
dcBuf.resize(chanDataSize * 2);
|
||||
}
|
||||
for (size_t j = 0; j < chanDataSize*2; j++) {
|
||||
dcBuf[j] = dataOut[idx];
|
||||
idx += numChannels;
|
||||
}
|
||||
iirfilt_crcf_execute_block(dcFilter, &dcBuf[0], chanDataSize * 2, &demodDataOut->data[0]);
|
||||
} else {
|
||||
for (size_t j = 0; j < chanDataSize*2; j++) {
|
||||
demodDataOut->data[j] = dataOut[idx];
|
||||
idx += numChannels;
|
||||
}
|
||||
}
|
||||
|
||||
if (doDemodVis) {
|
||||
//VSO: blocking push
|
||||
iqActiveDemodVisualQueue->push(demodDataOut);
|
||||
}
|
||||
|
||||
for (size_t j = 0; j < runDemods.size(); j++) {
|
||||
if (demodChannel[j] == i) {
|
||||
|
||||
// try-push() : we do our best to only stimulate active demods, but some could happen to be dead, full, or indeed non-active.
|
||||
//so in short never block here no matter what.
|
||||
if (!runDemods[j]->getIQInputDataPipe()->try_push(demodDataOut)) {
|
||||
// std::cout << "SDRPostThread::runPFBCH() attempt to push into demod '" << runDemods[i]->getLabel()
|
||||
// << "' (" << runDemods[i]->getFrequency() << " Hz) failed, demod is either too busy, not-active, or dead..." << std::endl << std::flush;
|
||||
std::this_thread::yield();
|
||||
}
|
||||
}
|
||||
} //end for
|
||||
}
|
||||
runDemodChannels(chanBw * 2);
|
||||
}
|
||||
}
|
||||
|
||||
@ -7,8 +7,8 @@
|
||||
#include <algorithm>
|
||||
|
||||
enum SDRPostThreadChannelizerType {
|
||||
SDRPostThreadCh = 1,
|
||||
SDRPostThreadCh2 = 2
|
||||
SDRPostPFBCH = 1,
|
||||
SDRPostPFBCH2 = 2
|
||||
};
|
||||
|
||||
class SDRPostThread : public IOThread {
|
||||
@ -21,11 +21,8 @@ public:
|
||||
virtual void run();
|
||||
virtual void terminate();
|
||||
|
||||
void pushVisualData(SDRThreadIQData *data_in);
|
||||
void runSingleCH(SDRThreadIQData *data_in);
|
||||
void runPFBCH(SDRThreadIQData *data_in);
|
||||
void runPFBCH2(SDRThreadIQData *data_in);
|
||||
void setIQVisualRange(long long frequency, int bandwidth);
|
||||
void resetAllDemodulators();
|
||||
|
||||
void setChannelizerType(SDRPostThreadChannelizerType chType);
|
||||
SDRPostThreadChannelizerType getChannelizerType();
|
||||
|
||||
@ -38,16 +35,22 @@ protected:
|
||||
|
||||
private:
|
||||
|
||||
void initPFBChannelizer();
|
||||
void initPFBChannelizer2();
|
||||
void pushVisualData(SDRThreadIQData *data_in);
|
||||
void runSingleCH(SDRThreadIQData *data_in);
|
||||
|
||||
void runDemodChannels(int channelBandwidth);
|
||||
|
||||
void initPFBCH();
|
||||
void runPFBCH(SDRThreadIQData *data_in);
|
||||
|
||||
void initPFBCH2();
|
||||
void runPFBCH2(SDRThreadIQData *data_in);
|
||||
|
||||
void updateActiveDemodulators();
|
||||
void updateChannels();
|
||||
void updateChannels();
|
||||
int getChannelAt(long long frequency);
|
||||
|
||||
void resetAllDemodulators();
|
||||
|
||||
ReBuffer<DemodulatorThreadIQData> buffers;
|
||||
std::vector<liquid_float_complex> fpData;
|
||||
std::vector<liquid_float_complex> dataOut;
|
||||
std::vector<long long> chanCenters;
|
||||
long long chanBw = 0;
|
||||
@ -58,8 +61,6 @@ private:
|
||||
|
||||
ReBuffer<DemodulatorThreadIQData> visualDataBuffers;
|
||||
atomic_bool doRefresh;
|
||||
atomic_llong visFrequency;
|
||||
atomic_int visBandwidth;
|
||||
atomic_int chanMode;
|
||||
|
||||
int numChannels, sampleRate, lastChanMode;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user