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Channel Analyzer NG: put bandwidth and lowcutoff filter limits in config structure

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This commit is contained in:
f4exb 2017-02-28 22:29:33 +01:00
parent f67bfb4121
commit 2421dd4e1d
2 changed files with 52 additions and 40 deletions
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83
plugins/channelrx/chanalyzerng/chanalyzerng.cpp
View File

@ -29,8 +29,6 @@ ChannelAnalyzerNG::ChannelAnalyzerNG(BasebandSampleSink* sampleSink) :
m_sampleSink(sampleSink), m_sampleSink(sampleSink),
m_settingsMutex(QMutex::Recursive) m_settingsMutex(QMutex::Recursive)
{ {
m_Bandwidth = 5000;
m_LowCutoff = 300;
m_spanLog2 = 3; m_spanLog2 = 3;
m_undersampleCount = 0; m_undersampleCount = 0;
m_sum = 0; m_sum = 0;
@ -39,8 +37,9 @@ ChannelAnalyzerNG::ChannelAnalyzerNG(BasebandSampleSink* sampleSink) :
m_magsq = 0; m_magsq = 0;
m_interpolatorDistance = 1.0f; m_interpolatorDistance = 1.0f;
m_interpolatorDistanceRemain = 0.0f; m_interpolatorDistanceRemain = 0.0f;
SSBFilter = new fftfilt(m_LowCutoff / m_running.m_inputSampleRate, m_Bandwidth / m_running.m_inputSampleRate, ssbFftLen); SSBFilter = new fftfilt(m_config.m_LowCutoff / m_config.m_inputSampleRate, m_config.m_Bandwidth / m_config.m_inputSampleRate, ssbFftLen);
DSBFilter = new fftfilt(m_Bandwidth / m_running.m_inputSampleRate, 2*ssbFftLen); DSBFilter = new fftfilt(m_config.m_Bandwidth / m_config.m_inputSampleRate, 2*ssbFftLen);
apply(true);
} }
ChannelAnalyzerNG::~ChannelAnalyzerNG() ChannelAnalyzerNG::~ChannelAnalyzerNG()
@ -154,43 +153,25 @@ bool ChannelAnalyzerNG::handleMessage(const Message& cmd)
{ {
MsgConfigureChannelAnalyzer& cfg = (MsgConfigureChannelAnalyzer&) cmd; MsgConfigureChannelAnalyzer& cfg = (MsgConfigureChannelAnalyzer&) cmd;
bandwidth = cfg.getBandwidth(); m_config.m_channelSampleRate = cfg.getChannelSampleRate();
lowCutoff = cfg.getLoCutoff(); m_config.m_Bandwidth = cfg.getBandwidth();
m_config.m_LowCutoff = cfg.getLoCutoff();
if (bandwidth < 0) qDebug() << "ChannelAnalyzerNG::handleMessage: MsgConfigureChannelAnalyzer:"
{ << " m_channelSampleRate: " << m_config.m_channelSampleRate
bandwidth = -bandwidth; << " m_Bandwidth: " << m_config.m_Bandwidth
lowCutoff = -lowCutoff; << " m_LowCutoff: " << m_config.m_LowCutoff
m_usb = false; << " m_spanLog2: " << m_spanLog2
} << " m_ssb: " << m_ssb;
else
{
m_usb = true;
}
if (bandwidth < 100.0f) apply();
{
bandwidth = 100.0f;
lowCutoff = 0;
}
m_settingsMutex.lock(); //m_settingsMutex.lock();
m_Bandwidth = bandwidth; m_spanLog2 = cfg.getSpanLog2();
m_LowCutoff = lowCutoff;
apply();
m_spanLog2 = cfg.getSpanLog2();
m_ssb = cfg.getSSB(); m_ssb = cfg.getSSB();
m_settingsMutex.unlock(); //m_settingsMutex.unlock();
qDebug() << "ChannelAnalyzerNG::handleMessage: MsgConfigureChannelAnalyzer:"
<< " m_Bandwidth: " << m_Bandwidth
<< " m_LowCutoff: " << m_LowCutoff
<< " m_spanLog2: " << m_spanLog2
<< " m_ssb: " << m_ssb;
return true; return true;
} }
@ -228,13 +209,41 @@ void ChannelAnalyzerNG::apply(bool force)
} }
if ((m_running.m_channelSampleRate != m_config.m_channelSampleRate) || if ((m_running.m_channelSampleRate != m_config.m_channelSampleRate) ||
(m_running.m_Bandwidth != m_config.m_Bandwidth) ||
(m_running.m_LowCutoff != m_config.m_LowCutoff) ||
force) force)
{ {
SSBFilter->create_filter(m_LowCutoff / m_config.m_channelSampleRate, m_Bandwidth / m_config.m_channelSampleRate); float bandwidth = m_config.m_Bandwidth;
DSBFilter->create_dsb_filter(m_Bandwidth / m_config.m_channelSampleRate); float lowCutoff = m_config.m_LowCutoff;
if (bandwidth < 0)
{
bandwidth = -bandwidth;
lowCutoff = -lowCutoff;
m_usb = false;
}
else
{
m_usb = true;
}
if (bandwidth < 100.0f)
{
bandwidth = 100.0f;
lowCutoff = 0;
}
m_settingsMutex.lock();
SSBFilter->create_filter(lowCutoff / m_config.m_channelSampleRate, bandwidth / m_config.m_channelSampleRate);
DSBFilter->create_dsb_filter(bandwidth / m_config.m_channelSampleRate);
m_settingsMutex.unlock();
} }
m_running.m_frequency = m_config.m_frequency; m_running.m_frequency = m_config.m_frequency;
m_running.m_channelSampleRate = m_config.m_channelSampleRate; m_running.m_channelSampleRate = m_config.m_channelSampleRate;
m_running.m_inputSampleRate = m_config.m_inputSampleRate; m_running.m_inputSampleRate = m_config.m_inputSampleRate;
m_running.m_Bandwidth = m_config.m_Bandwidth;
m_running.m_LowCutoff = m_config.m_LowCutoff;
} }

9
plugins/channelrx/chanalyzerng/chanalyzerng.h
View File

@ -54,6 +54,7 @@ private:
MESSAGE_CLASS_DECLARATION MESSAGE_CLASS_DECLARATION
public: public:
int getChannelSampleRate() const { return m_channelSampleRate; }
Real getBandwidth() const { return m_Bandwidth; } Real getBandwidth() const { return m_Bandwidth; }
Real getLoCutoff() const { return m_LowCutoff; } Real getLoCutoff() const { return m_LowCutoff; }
int getSpanLog2() const { return m_spanLog2; } int getSpanLog2() const { return m_spanLog2; }
@ -96,19 +97,21 @@ private:
int m_frequency; int m_frequency;
int m_inputSampleRate; int m_inputSampleRate;
int m_channelSampleRate; int m_channelSampleRate;
Real m_Bandwidth;
Real m_LowCutoff;
Config() : Config() :
m_frequency(0), m_frequency(0),
m_inputSampleRate(96000), m_inputSampleRate(96000),
m_channelSampleRate(96000) m_channelSampleRate(96000),
m_Bandwidth(5000),
m_LowCutoff(300)
{} {}
}; };
Config m_config; Config m_config;
Config m_running; Config m_running;
Real m_Bandwidth;
Real m_LowCutoff;
int m_spanLog2; int m_spanLog2;
int m_undersampleCount; int m_undersampleCount;
fftfilt::cmplx m_sum; fftfilt::cmplx m_sum;