mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-15 21:01:45 -05:00
289 lines
9.6 KiB
C++
289 lines
9.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2017 Edouard Griffiths, F4EXB //
|
|
// //
|
|
// This program is free software; you can redistribute it and/or modify //
|
|
// it under the terms of the GNU General Public License as published by //
|
|
// the Free Software Foundation as version 3 of the License, or //
|
|
// //
|
|
// This program is distributed in the hope that it will be useful, //
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
|
|
// GNU General Public License V3 for more details. //
|
|
// //
|
|
// You should have received a copy of the GNU General Public License //
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef INCLUDE_CHANALYZERNG_H
|
|
#define INCLUDE_CHANALYZERNG_H
|
|
|
|
#include <QMutex>
|
|
#include <vector>
|
|
|
|
#include "dsp/basebandsamplesink.h"
|
|
#include "channel/channelsinkapi.h"
|
|
#include "dsp/interpolator.h"
|
|
#include "dsp/ncof.h"
|
|
#include "dsp/fftcorr.h"
|
|
#include "dsp/fftfilt.h"
|
|
#include "dsp/phaselockcomplex.h"
|
|
#include "dsp/freqlockcomplex.h"
|
|
#include "audio/audiofifo.h"
|
|
#include "util/message.h"
|
|
#include "util/movingaverage.h"
|
|
|
|
#include "chanalyzersettings.h"
|
|
|
|
#define ssbFftLen 1024
|
|
|
|
class DeviceSourceAPI;
|
|
class ThreadedBasebandSampleSink;
|
|
class DownChannelizer;
|
|
|
|
class ChannelAnalyzer : public BasebandSampleSink, public ChannelSinkAPI {
|
|
public:
|
|
class MsgConfigureChannelAnalyzer : public Message {
|
|
MESSAGE_CLASS_DECLARATION
|
|
|
|
public:
|
|
const ChannelAnalyzerSettings& getSettings() const { return m_settings; }
|
|
bool getForce() const { return m_force; }
|
|
|
|
static MsgConfigureChannelAnalyzer* create(const ChannelAnalyzerSettings& settings, bool force)
|
|
{
|
|
return new MsgConfigureChannelAnalyzer(settings, force);
|
|
}
|
|
|
|
private:
|
|
ChannelAnalyzerSettings m_settings;
|
|
bool m_force;
|
|
|
|
MsgConfigureChannelAnalyzer(const ChannelAnalyzerSettings& settings, bool force) :
|
|
Message(),
|
|
m_settings(settings),
|
|
m_force(force)
|
|
{ }
|
|
};
|
|
|
|
class MsgConfigureChannelAnalyzerOld : public Message {
|
|
MESSAGE_CLASS_DECLARATION
|
|
|
|
public:
|
|
int getChannelSampleRate() const { return m_channelSampleRate; }
|
|
Real getBandwidth() const { return m_Bandwidth; }
|
|
Real getLoCutoff() const { return m_LowCutoff; }
|
|
int getSpanLog2() const { return m_spanLog2; }
|
|
bool getSSB() const { return m_ssb; }
|
|
bool getPLL() const { return m_pll; }
|
|
bool getFLL() const { return m_fll; }
|
|
unsigned int getPLLPSKOrder() const { return m_pllPskOrder; }
|
|
|
|
static MsgConfigureChannelAnalyzerOld* create(
|
|
int channelSampleRate,
|
|
Real Bandwidth,
|
|
Real LowCutoff,
|
|
int spanLog2,
|
|
bool ssb,
|
|
bool pll,
|
|
bool fll,
|
|
unsigned int pllPskOrder)
|
|
{
|
|
return new MsgConfigureChannelAnalyzerOld(
|
|
channelSampleRate,
|
|
Bandwidth,
|
|
LowCutoff,
|
|
spanLog2,
|
|
ssb,
|
|
pll,
|
|
fll,
|
|
pllPskOrder);
|
|
}
|
|
|
|
private:
|
|
int m_channelSampleRate;
|
|
Real m_Bandwidth;
|
|
Real m_LowCutoff;
|
|
int m_spanLog2;
|
|
bool m_ssb;
|
|
bool m_pll;
|
|
bool m_fll;
|
|
unsigned int m_pllPskOrder;
|
|
|
|
MsgConfigureChannelAnalyzerOld(
|
|
int channelSampleRate,
|
|
Real Bandwidth,
|
|
Real LowCutoff,
|
|
int spanLog2,
|
|
bool ssb,
|
|
bool pll,
|
|
bool fll,
|
|
unsigned int pllPskOrder) :
|
|
Message(),
|
|
m_channelSampleRate(channelSampleRate),
|
|
m_Bandwidth(Bandwidth),
|
|
m_LowCutoff(LowCutoff),
|
|
m_spanLog2(spanLog2),
|
|
m_ssb(ssb),
|
|
m_pll(pll),
|
|
m_fll(fll),
|
|
m_pllPskOrder(pllPskOrder)
|
|
{ }
|
|
};
|
|
|
|
class MsgConfigureChannelizer : public Message {
|
|
MESSAGE_CLASS_DECLARATION
|
|
|
|
public:
|
|
int getSampleRate() const { return m_sampleRate; }
|
|
int getCenterFrequency() const { return m_centerFrequency; }
|
|
|
|
static MsgConfigureChannelizer* create(int sampleRate, int centerFrequency)
|
|
{
|
|
return new MsgConfigureChannelizer(sampleRate, centerFrequency);
|
|
}
|
|
|
|
private:
|
|
int m_sampleRate;
|
|
int m_centerFrequency;
|
|
|
|
MsgConfigureChannelizer(int sampleRate, int centerFrequency) :
|
|
Message(),
|
|
m_sampleRate(sampleRate),
|
|
m_centerFrequency(centerFrequency)
|
|
{ }
|
|
};
|
|
|
|
class MsgReportChannelSampleRateChanged : public Message {
|
|
MESSAGE_CLASS_DECLARATION
|
|
|
|
public:
|
|
|
|
static MsgReportChannelSampleRateChanged* create()
|
|
{
|
|
return new MsgReportChannelSampleRateChanged();
|
|
}
|
|
|
|
private:
|
|
|
|
MsgReportChannelSampleRateChanged() :
|
|
Message()
|
|
{ }
|
|
};
|
|
|
|
ChannelAnalyzer(DeviceSourceAPI *deviceAPI);
|
|
virtual ~ChannelAnalyzer();
|
|
virtual void destroy() { delete this; }
|
|
void setSampleSink(BasebandSampleSink* sampleSink) { m_sampleSink = sampleSink; }
|
|
|
|
void configure(MessageQueue* messageQueue,
|
|
int channelSampleRate,
|
|
Real Bandwidth,
|
|
Real LowCutoff,
|
|
int spanLog2,
|
|
bool ssb,
|
|
bool pll,
|
|
bool fll,
|
|
unsigned int pllPskOrder);
|
|
|
|
DownChannelizer *getChannelizer() { return m_channelizer; }
|
|
int getInputSampleRate() const { return m_inputSampleRate; }
|
|
int getChannelSampleRate() const { return m_settings.m_downSample ? m_settings.m_downSampleRate : m_inputSampleRate; }
|
|
double getMagSq() const { return m_magsq; }
|
|
double getMagSqAvg() const { return (double) m_channelPowerAvg; }
|
|
bool isPllLocked() const { return m_settings.m_pll && m_pll.locked(); }
|
|
Real getPllFrequency() const { return m_pll.getFreq(); }
|
|
Real getPllDeltaPhase() const { return m_pll.getDeltaPhi(); }
|
|
Real getPllPhase() const { return m_pll.getPhiHat(); }
|
|
|
|
virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly);
|
|
virtual void start();
|
|
virtual void stop();
|
|
virtual bool handleMessage(const Message& cmd);
|
|
|
|
virtual void getIdentifier(QString& id) { id = objectName(); }
|
|
virtual void getTitle(QString& title) { title = objectName(); }
|
|
virtual qint64 getCenterFrequency() const { return m_settings.m_frequency; }
|
|
|
|
virtual QByteArray serialize() const { return QByteArray(); }
|
|
virtual bool deserialize(const QByteArray& data) { (void) data; return false; }
|
|
|
|
static const QString m_channelIdURI;
|
|
static const QString m_channelId;
|
|
|
|
private:
|
|
DeviceSourceAPI *m_deviceAPI;
|
|
ThreadedBasebandSampleSink* m_threadedChannelizer;
|
|
DownChannelizer* m_channelizer;
|
|
ChannelAnalyzerSettings m_settings;
|
|
|
|
int m_inputSampleRate;
|
|
int m_inputFrequencyOffset;
|
|
int m_undersampleCount;
|
|
fftfilt::cmplx m_sum;
|
|
bool m_usb;
|
|
double m_magsq;
|
|
bool m_useInterpolator;
|
|
|
|
NCOF m_nco;
|
|
PhaseLockComplex m_pll;
|
|
FreqLockComplex m_fll;
|
|
Interpolator m_interpolator;
|
|
Real m_interpolatorDistance;
|
|
Real m_interpolatorDistanceRemain;
|
|
|
|
fftfilt* SSBFilter;
|
|
fftfilt* DSBFilter;
|
|
fftfilt* RRCFilter;
|
|
fftcorr* m_corr;
|
|
|
|
BasebandSampleSink* m_sampleSink;
|
|
SampleVector m_sampleBuffer;
|
|
MovingAverageUtil<double, double, 480> m_channelPowerAvg;
|
|
QMutex m_settingsMutex;
|
|
|
|
// void apply(bool force = false);
|
|
void applyChannelSettings(int inputSampleRate, int inputFrequencyOffset, bool force = false);
|
|
void applySettings(const ChannelAnalyzerSettings& settings, bool force = false);
|
|
void setFilters(int sampleRate, float bandwidth, float lowCutoff);
|
|
void processOneSample(Complex& c, fftfilt::cmplx *sideband);
|
|
|
|
inline void feedOneSample(const fftfilt::cmplx& s, const fftfilt::cmplx& pll)
|
|
{
|
|
switch (m_settings.m_inputType)
|
|
{
|
|
case ChannelAnalyzerSettings::InputPLL:
|
|
{
|
|
if (m_settings.m_ssb & !m_usb) { // invert spectrum for LSB
|
|
m_sampleBuffer.push_back(Sample(pll.imag()*SDR_RX_SCALEF, pll.real()*SDR_RX_SCALEF));
|
|
} else {
|
|
m_sampleBuffer.push_back(Sample(pll.real()*SDR_RX_SCALEF, pll.imag()*SDR_RX_SCALEF));
|
|
}
|
|
}
|
|
break;
|
|
case ChannelAnalyzerSettings::InputAutoCorr:
|
|
{
|
|
std::complex<float> a = m_corr->run(s/(SDR_RX_SCALEF/768.0f), 0);
|
|
|
|
if (m_settings.m_ssb & !m_usb) { // invert spectrum for LSB
|
|
m_sampleBuffer.push_back(Sample(a.imag(), a.real()));
|
|
} else {
|
|
m_sampleBuffer.push_back(Sample(a.real(), a.imag()));
|
|
}
|
|
}
|
|
break;
|
|
case ChannelAnalyzerSettings::InputSignal:
|
|
default:
|
|
{
|
|
if (m_settings.m_ssb & !m_usb) { // invert spectrum for LSB
|
|
m_sampleBuffer.push_back(Sample(s.imag(), s.real()));
|
|
} else {
|
|
m_sampleBuffer.push_back(Sample(s.real(), s.imag()));
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
#endif // INCLUDE_CHANALYZERNG_H
|