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Channel Analyzer NG: pass required channel rate to analyzer core

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This commit is contained in:
f4exb 2017-02-28 17:03:23 +01:00
parent 1c04f3f11e
commit 41d031f813
3 changed files with 24 additions and 15 deletions
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21
plugins/channelrx/chanalyzerng/chanalyzerng.cpp
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@ -32,16 +32,16 @@ ChannelAnalyzerNG::ChannelAnalyzerNG(BasebandSampleSink* sampleSink) :
m_Bandwidth = 5000;
m_LowCutoff = 300;
m_spanLog2 = 3;
m_sampleRate = 96000;
m_inputSampleRate = 96000;
m_frequency = 0;
m_nco.setFreq(m_frequency, m_sampleRate);
m_nco.setFreq(m_frequency, m_inputSampleRate);
m_undersampleCount = 0;
m_sum = 0;
m_usb = true;
m_ssb = true;
m_magsq = 0;
SSBFilter = new fftfilt(m_LowCutoff / m_sampleRate, m_Bandwidth / m_sampleRate, ssbFftLen);
DSBFilter = new fftfilt(m_Bandwidth / m_sampleRate, 2*ssbFftLen);
SSBFilter = new fftfilt(m_LowCutoff / m_inputSampleRate, m_Bandwidth / m_inputSampleRate, ssbFftLen);
DSBFilter = new fftfilt(m_Bandwidth / m_inputSampleRate, 2*ssbFftLen);
}
ChannelAnalyzerNG::~ChannelAnalyzerNG()
@ -51,12 +51,13 @@ ChannelAnalyzerNG::~ChannelAnalyzerNG()
}
void ChannelAnalyzerNG::configure(MessageQueue* messageQueue,
int channelSampleRate,
Real Bandwidth,
Real LowCutoff,
int spanLog2,
bool ssb)
{
Message* cmd = MsgConfigureChannelAnalyzer::create(Bandwidth, LowCutoff, spanLog2, ssb);
Message* cmd = MsgConfigureChannelAnalyzer::create(channelSampleRate, Bandwidth, LowCutoff, spanLog2, ssb);
messageQueue->push(cmd);
}
@ -140,10 +141,10 @@ bool ChannelAnalyzerNG::handleMessage(const Message& cmd)
{
DownChannelizer::MsgChannelizerNotification& notif = (DownChannelizer::MsgChannelizerNotification&) cmd;
m_sampleRate = notif.getSampleRate();
m_nco.setFreq(-notif.getFrequencyOffset(), m_sampleRate);
m_inputSampleRate = notif.getSampleRate();
m_nco.setFreq(-notif.getFrequencyOffset(), m_inputSampleRate);
qDebug() << "ChannelAnalyzerNG::handleMessage: MsgChannelizerNotification: m_sampleRate: " << m_sampleRate
qDebug() << "ChannelAnalyzerNG::handleMessage: MsgChannelizerNotification: m_sampleRate: " << m_inputSampleRate
<< " frequencyOffset: " << notif.getFrequencyOffset();
return true;
@ -177,8 +178,8 @@ bool ChannelAnalyzerNG::handleMessage(const Message& cmd)
m_Bandwidth = bandwidth;
m_LowCutoff = lowCutoff;
SSBFilter->create_filter(m_LowCutoff / m_sampleRate, m_Bandwidth / m_sampleRate);
DSBFilter->create_dsb_filter(m_Bandwidth / m_sampleRate);
SSBFilter->create_filter(m_LowCutoff / m_inputSampleRate, m_Bandwidth / m_inputSampleRate);
DSBFilter->create_dsb_filter(m_Bandwidth / m_inputSampleRate);
m_spanLog2 = cfg.getSpanLog2();
m_ssb = cfg.getSSB();

17
plugins/channelrx/chanalyzerng/chanalyzerng.h
View File

@ -33,12 +33,13 @@ public:
virtual ~ChannelAnalyzerNG();
void configure(MessageQueue* messageQueue,
int channelSampleRate,
Real Bandwidth,
Real LowCutoff,
int spanLog2,
bool ssb);
int getSampleRate() const { return m_sampleRate; }
int getSampleRate() const { return m_inputSampleRate; }
Real getMagSq() const { return m_magsq; }
virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly);
@ -56,25 +57,31 @@ private:
int getSpanLog2() const { return m_spanLog2; }
bool getSSB() const { return m_ssb; }
static MsgConfigureChannelAnalyzer* create(Real Bandwidth,
static MsgConfigureChannelAnalyzer* create(
int channelSampleRate,
Real Bandwidth,
Real LowCutoff,
int spanLog2,
bool ssb)
{
return new MsgConfigureChannelAnalyzer(Bandwidth, LowCutoff, spanLog2, ssb);
return new MsgConfigureChannelAnalyzer(channelSampleRate, Bandwidth, LowCutoff, spanLog2, ssb);
}
private:
int m_channelSampleRate;
Real m_Bandwidth;
Real m_LowCutoff;
int m_spanLog2;
bool m_ssb;
MsgConfigureChannelAnalyzer(Real Bandwidth,
MsgConfigureChannelAnalyzer(
int channelSampleRate,
Real Bandwidth,
Real LowCutoff,
int spanLog2,
bool ssb) :
Message(),
m_channelSampleRate(channelSampleRate),
m_Bandwidth(Bandwidth),
m_LowCutoff(LowCutoff),
m_spanLog2(spanLog2),
@ -87,7 +94,7 @@ private:
int m_spanLog2;
int m_undersampleCount;
fftfilt::cmplx m_sum;
int m_sampleRate;
int m_inputSampleRate;
int m_frequency;
bool m_usb;
bool m_ssb;

1
plugins/channelrx/chanalyzerng/chanalyzernggui.cpp
View File

@ -486,6 +486,7 @@ void ChannelAnalyzerNGGUI::applySettings()
m_channelMarker.getCenterFrequency());
m_channelAnalyzer->configure(m_channelAnalyzer->getInputMessageQueue(),
m_channelizer->getInputSampleRate(), // TODO: specify required channel sample rate
ui->BW->value() * 100.0,
ui->lowCut->value() * 100.0,
m_spanLog2,