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https://github.com/f4exb/sdrangel.git
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WFM demod: use settings in demod
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f4exb
parent
8a7dcfa4dd
commit
f9b426de69
@ -27,6 +27,7 @@
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#include "dsp/pidcontroller.h"
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MESSAGE_CLASS_DEFINITION(WFMDemod::MsgConfigureWFMDemod, Message)
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MESSAGE_CLASS_DEFINITION(WFMDemod::MsgConfigureChannelizer, Message)
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WFMDemod::WFMDemod(BasebandSampleSink* sampleSink) :
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m_squelchOpen(false),
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@ -42,24 +43,16 @@ WFMDemod::WFMDemod(BasebandSampleSink* sampleSink) :
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{
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setObjectName("WFMDemod");
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m_config.m_inputSampleRate = 384000;
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m_config.m_inputFrequencyOffset = 0;
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m_config.m_rfBandwidth = 180000;
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m_config.m_afBandwidth = 15000;
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m_config.m_squelch = -60.0;
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m_config.m_volume = 2.0;
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m_config.m_audioSampleRate = DSPEngine::instance()->getAudioSampleRate();
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m_rfFilter = new fftfilt(-50000.0 / 384000.0, 50000.0 / 384000.0, rfFilterFftLength);
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m_phaseDiscri.setFMScaling(384000/75000);
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apply();
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m_audioBuffer.resize(16384);
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m_audioBufferFill = 0;
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m_movingAverage.resize(16, 0);
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DSPEngine::instance()->addAudioSink(&m_audioFifo);
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applySettings(m_settings, true);
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}
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WFMDemod::~WFMDemod()
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@ -72,18 +65,6 @@ WFMDemod::~WFMDemod()
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DSPEngine::instance()->removeAudioSink(&m_audioFifo);
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}
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void WFMDemod::configure(
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MessageQueue* messageQueue,
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Real rfBandwidth,
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Real afBandwidth,
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Real volume,
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Real squelch,
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bool audioMute)
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{
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Message* cmd = MsgConfigureWFMDemod::create(rfBandwidth, afBandwidth, volume, squelch, audioMute);
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messageQueue->push(cmd);
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}
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void WFMDemod::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool firstOfBurst __attribute__((unused)))
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{
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Complex ci;
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@ -119,7 +100,7 @@ void WFMDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
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m_magsqCount++;
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if(m_movingAverage.average() >= m_squelchLevel)
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m_squelchState = m_running.m_rfBandwidth / 20; // decay rate
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m_squelchState = m_settings.m_rfBandwidth / 20; // decay rate
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if (m_squelchState > 0)
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{
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@ -132,7 +113,7 @@ void WFMDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
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m_squelchOpen = false;
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}
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if (m_running.m_audioMute)
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if (m_settings.m_audioMute)
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{
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demod = 0;
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}
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@ -141,7 +122,7 @@ void WFMDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
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if(m_interpolator.decimate(&m_interpolatorDistanceRemain, e, &ci))
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{
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quint16 sample = (qint16)(ci.real() * 3276.8f * m_running.m_volume);
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quint16 sample = (qint16)(ci.real() * 3276.8f * m_settings.m_volume);
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m_sampleBuffer.push_back(Sample(sample, sample));
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m_audioBuffer[m_audioBufferFill].l = sample;
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m_audioBuffer[m_audioBufferFill].r = sample;
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@ -203,13 +184,15 @@ bool WFMDemod::handleMessage(const Message& cmd)
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{
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DownChannelizer::MsgChannelizerNotification& notif = (DownChannelizer::MsgChannelizerNotification&) cmd;
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m_config.m_inputSampleRate = notif.getSampleRate();
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m_config.m_inputFrequencyOffset = notif.getFrequencyOffset();
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WFMDemodSettings settings = m_settings;
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qDebug() << "WFMDemod::handleMessage: MsgChannelizerNotification: m_inputSampleRate: " << m_config.m_inputSampleRate
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<< " m_inputFrequencyOffset: " << m_config.m_inputFrequencyOffset;
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settings.m_inputSampleRate = notif.getSampleRate();
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settings.m_inputFrequencyOffset = notif.getFrequencyOffset();
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apply();
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applySettings(settings);
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qDebug() << "WFMDemod::handleMessage: MsgChannelizerNotification: m_inputSampleRate: " << settings.m_inputSampleRate
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<< " m_inputFrequencyOffset: " << settings.m_inputFrequencyOffset;
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return true;
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}
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@ -217,19 +200,23 @@ bool WFMDemod::handleMessage(const Message& cmd)
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{
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MsgConfigureWFMDemod& cfg = (MsgConfigureWFMDemod&) cmd;
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m_config.m_rfBandwidth = cfg.getRFBandwidth();
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m_config.m_afBandwidth = cfg.getAFBandwidth();
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m_config.m_volume = cfg.getVolume();
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m_config.m_squelch = cfg.getSquelch();
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m_config.m_audioMute = cfg.getAudioMute();
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WFMDemodSettings settings = cfg.getSettings();
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qDebug() << "WFMDemod::handleMessage: MsgConfigureWFMDemod: m_rfBandwidth: " << m_config.m_rfBandwidth
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<< " m_afBandwidth: " << m_config.m_afBandwidth
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<< " m_volume: " << m_config.m_volume
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<< " m_squelch: " << m_config.m_squelch
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<< " m_audioMute: " << m_config.m_audioMute;
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// These settings are set with DownChannelizer::MsgChannelizerNotification
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settings.m_inputSampleRate = m_settings.m_inputSampleRate;
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settings.m_inputFrequencyOffset = m_settings.m_inputFrequencyOffset;
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apply();
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applySettings(settings, cfg.getForce());
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qDebug() << "WFMDemod::handleMessage: MsgConfigureWFMDemod:"
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<< " m_rfBandwidth: " << settings.m_rfBandwidth
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<< " m_afBandwidth: " << settings.m_afBandwidth
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<< " m_volume: " << settings.m_volume
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<< " m_squelch: " << settings.m_squelch
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<< " m_copyAudioToUDP: " << settings.m_copyAudioToUDP
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<< " m_udpAddress: " << settings.m_udpAddress
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<< " m_udpPort: " << settings.m_udpPort
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<< " force: " << cfg.getForce();
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return true;
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}
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@ -246,49 +233,41 @@ bool WFMDemod::handleMessage(const Message& cmd)
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}
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}
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void WFMDemod::apply()
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void WFMDemod::applySettings(const WFMDemodSettings& settings, bool force)
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{
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if((m_config.m_inputFrequencyOffset != m_running.m_inputFrequencyOffset) ||
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(m_config.m_inputSampleRate != m_running.m_inputSampleRate))
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if((settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset) ||
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(settings.m_inputSampleRate != m_settings.m_inputSampleRate) || force)
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{
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qDebug() << "WFMDemod::apply: m_nco.setFreq";
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m_nco.setFreq(-m_config.m_inputFrequencyOffset, m_config.m_inputSampleRate);
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qDebug() << "WFMDemod::applySettings: m_nco.setFreq";
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m_nco.setFreq(-settings.m_inputFrequencyOffset, settings.m_inputSampleRate);
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}
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if((m_config.m_inputSampleRate != m_running.m_inputSampleRate) ||
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(m_config.m_audioSampleRate != m_running.m_audioSampleRate) ||
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(m_config.m_afBandwidth != m_running.m_afBandwidth) ||
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(m_config.m_rfBandwidth != m_running.m_rfBandwidth))
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if((settings.m_inputSampleRate != m_settings.m_inputSampleRate) ||
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(settings.m_audioSampleRate != m_settings.m_audioSampleRate) ||
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(settings.m_afBandwidth != m_settings.m_afBandwidth) ||
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(settings.m_rfBandwidth != m_settings.m_rfBandwidth) || force)
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{
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m_settingsMutex.lock();
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qDebug() << "WFMDemod::apply: m_interpolator.create";
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m_interpolator.create(16, m_config.m_inputSampleRate, m_config.m_afBandwidth);
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m_interpolatorDistanceRemain = (Real) m_config.m_inputSampleRate / (Real) m_config.m_audioSampleRate;
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m_interpolatorDistance = (Real) m_config.m_inputSampleRate / (Real) m_config.m_audioSampleRate;
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qDebug() << "WFMDemod::apply: m_rfFilter->create_filter";
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Real lowCut = -(m_config.m_rfBandwidth / 2.0) / m_config.m_inputSampleRate;
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Real hiCut = (m_config.m_rfBandwidth / 2.0) / m_config.m_inputSampleRate;
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qDebug() << "WFMDemod::applySettings: m_interpolator.create";
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m_interpolator.create(16, settings.m_inputSampleRate, settings.m_afBandwidth);
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m_interpolatorDistanceRemain = (Real) settings.m_inputSampleRate / (Real) settings.m_audioSampleRate;
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m_interpolatorDistance = (Real) settings.m_inputSampleRate / (Real) settings.m_audioSampleRate;
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qDebug() << "WFMDemod::applySettings: m_rfFilter->create_filter";
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Real lowCut = -(settings.m_rfBandwidth / 2.0) / settings.m_inputSampleRate;
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Real hiCut = (settings.m_rfBandwidth / 2.0) / settings.m_inputSampleRate;
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m_rfFilter->create_filter(lowCut, hiCut);
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m_fmExcursion = m_config.m_rfBandwidth / (Real) m_config.m_inputSampleRate;
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m_fmExcursion = settings.m_rfBandwidth / (Real) settings.m_inputSampleRate;
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m_phaseDiscri.setFMScaling(1.0f/m_fmExcursion);
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qDebug("WFMDemod::apply: m_fmExcursion: %f", m_fmExcursion);
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qDebug("WFMDemod::applySettings: m_fmExcursion: %f", m_fmExcursion);
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m_settingsMutex.unlock();
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}
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if(m_config.m_squelch != m_running.m_squelch)
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if ((settings.m_squelch != m_settings.m_squelch) || force)
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{
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qDebug() << "WFMDemod::apply: set m_squelchLevel";
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m_squelchLevel = pow(10.0, m_config.m_squelch / 20.0);
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qDebug() << "WFMDemod::applySettings: set m_squelchLevel";
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m_squelchLevel = pow(10.0, settings.m_squelch / 20.0);
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m_squelchLevel *= m_squelchLevel;
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}
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m_running.m_inputSampleRate = m_config.m_inputSampleRate;
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m_running.m_inputFrequencyOffset = m_config.m_inputFrequencyOffset;
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m_running.m_rfBandwidth = m_config.m_rfBandwidth;
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m_running.m_afBandwidth = m_config.m_afBandwidth;
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m_running.m_squelch = m_config.m_squelch;
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m_running.m_volume = m_config.m_volume;
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m_running.m_audioSampleRate = m_config.m_audioSampleRate;
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m_running.m_audioMute = m_config.m_audioMute;
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m_settings = settings;
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}
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@ -30,21 +30,61 @@
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#include "audio/audiofifo.h"
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#include "util/message.h"
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#include "wfmdemodsettings.h"
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#define rfFilterFftLength 1024
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class WFMDemod : public BasebandSampleSink {
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public:
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class MsgConfigureWFMDemod : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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const WFMDemodSettings& getSettings() const { return m_settings; }
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bool getForce() const { return m_force; }
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static MsgConfigureWFMDemod* create(const WFMDemodSettings& settings, bool force)
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{
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return new MsgConfigureWFMDemod(settings, force);
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}
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private:
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WFMDemodSettings m_settings;
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bool m_force;
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MsgConfigureWFMDemod(const WFMDemodSettings& settings, bool force) :
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Message(),
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m_settings(settings),
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m_force(force)
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{ }
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};
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class MsgConfigureChannelizer : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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int getSampleRate() const { return m_sampleRate; }
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int getCenterFrequency() const { return m_centerFrequency; }
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static MsgConfigureChannelizer* create(int sampleRate, int centerFrequency)
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{
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return new MsgConfigureChannelizer(sampleRate, centerFrequency);
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}
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private:
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int m_sampleRate;
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int m_centerFrequency;
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MsgConfigureChannelizer(int sampleRate, int centerFrequency) :
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Message(),
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m_sampleRate(sampleRate),
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m_centerFrequency(centerFrequency)
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{ }
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};
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WFMDemod(BasebandSampleSink* sampleSink);
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virtual ~WFMDemod();
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void configure(
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MessageQueue* messageQueue,
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Real rfBandwidth,
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Real afBandwidth,
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Real volume,
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Real squelch,
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bool auduiMute);
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virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool po);
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virtual void start();
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virtual void stop();
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@ -65,67 +105,12 @@ public:
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}
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private:
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class MsgConfigureWFMDemod : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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Real getRFBandwidth() const { return m_rfBandwidth; }
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Real getAFBandwidth() const { return m_afBandwidth; }
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Real getVolume() const { return m_volume; }
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Real getSquelch() const { return m_squelch; }
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bool getAudioMute() const { return m_audioMute; }
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static MsgConfigureWFMDemod* create(Real rfBandwidth, Real afBandwidth, Real volume, Real squelch, bool audioMute)
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{
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return new MsgConfigureWFMDemod(rfBandwidth, afBandwidth, volume, squelch, audioMute);
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}
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private:
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Real m_rfBandwidth;
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Real m_afBandwidth;
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Real m_volume;
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Real m_squelch;
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bool m_audioMute;
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MsgConfigureWFMDemod(Real rfBandwidth, Real afBandwidth, Real volume, Real squelch, bool audioMute) :
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Message(),
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m_rfBandwidth(rfBandwidth),
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m_afBandwidth(afBandwidth),
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m_volume(volume),
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m_squelch(squelch),
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m_audioMute(audioMute)
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{ }
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};
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enum RateState {
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RSInitialFill,
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RSRunning
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};
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struct Config {
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int m_inputSampleRate;
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qint64 m_inputFrequencyOffset;
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Real m_rfBandwidth;
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Real m_afBandwidth;
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Real m_squelch;
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Real m_volume;
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quint32 m_audioSampleRate;
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bool m_audioMute;
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Config() :
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m_inputSampleRate(-1),
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m_inputFrequencyOffset(0),
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m_rfBandwidth(-1),
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m_afBandwidth(-1),
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m_squelch(0),
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m_volume(0),
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m_audioSampleRate(0),
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m_audioMute(false)
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{ }
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};
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Config m_config;
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Config m_running;
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WFMDemodSettings m_settings;
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NCO m_nco;
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Interpolator m_interpolator; //!< Interpolator between sample rate sent from DSP engine and requested RF bandwidth (rational)
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@ -155,7 +140,7 @@ private:
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PhaseDiscriminators m_phaseDiscri;
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void apply();
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void applySettings(const WFMDemodSettings& settings, bool force = false);
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};
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#endif // INCLUDE_WFMDEMOD_H
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@ -225,12 +225,8 @@ void WFMDemodGUI::applySettings(bool force)
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ui->deltaFrequency->setValue(m_channelMarker.getCenterFrequency());
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m_wfmDemod->configure(m_wfmDemod->getInputMessageQueue(),
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m_settings.m_rfBandwidth,
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m_settings.m_afBandwidth,
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m_settings.m_volume,
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m_settings.m_squelch,
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m_settings.m_audioMute);
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WFMDemod::MsgConfigureWFMDemod* msgConfig = WFMDemod::MsgConfigureWFMDemod::create( m_settings, force);
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m_wfmDemod->getInputMessageQueue()->push(msgConfig);
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}
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}
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