sdrangel/plugins/channelrx/freqtracker/freqtracker.h

265 wiersze
8.4 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 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 //
// (at your option) any later version. //
// //
// 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_FREQTRACKER_H
#define INCLUDE_FREQTRACKER_H
#include <vector>
#include <QNetworkRequest>
#include <QMutex>
#include "dsp/basebandsamplesink.h"
#include "channel/channelapi.h"
#include "dsp/ncof.h"
#include "dsp/interpolator.h"
#include "util/movingaverage.h"
#include "dsp/agc.h"
#include "dsp/bandpass.h"
#include "dsp/lowpass.h"
#include "dsp/phaselockcomplex.h"
#include "dsp/freqlockcomplex.h"
#include "util/message.h"
#include "util/doublebufferfifo.h"
#include "freqtrackersettings.h"
class QNetworkAccessManager;
class QNetworkReply;
class DeviceAPI;
class DownChannelizer;
class ThreadedBasebandSampleSink;
class QTimer;
class fftfilt;
class FreqTracker : public BasebandSampleSink, public ChannelAPI {
Q_OBJECT
public:
class MsgConfigureFreqTracker : public Message {
MESSAGE_CLASS_DECLARATION
public:
const FreqTrackerSettings& getSettings() const { return m_settings; }
bool getForce() const { return m_force; }
static MsgConfigureFreqTracker* create(const FreqTrackerSettings& settings, bool force)
{
return new MsgConfigureFreqTracker(settings, force);
}
private:
FreqTrackerSettings m_settings;
bool m_force;
MsgConfigureFreqTracker(const FreqTrackerSettings& settings, bool force) :
Message(),
m_settings(settings),
m_force(force)
{ }
};
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 MsgSampleRateNotification : public Message {
MESSAGE_CLASS_DECLARATION
public:
static MsgSampleRateNotification* create(int sampleRate, int frequencyOffset) {
return new MsgSampleRateNotification(sampleRate, frequencyOffset);
}
int getSampleRate() const { return m_sampleRate; }
int getFrequencyOffset() const { return m_frequencyOffset; }
private:
MsgSampleRateNotification(int sampleRate, int frequencyOffset) :
Message(),
m_sampleRate(sampleRate),
m_frequencyOffset(frequencyOffset)
{ }
int m_sampleRate;
int m_frequencyOffset;
};
FreqTracker(DeviceAPI *deviceAPI);
~FreqTracker();
virtual void destroy() { delete this; }
virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool po);
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 = m_settings.m_title; }
virtual qint64 getCenterFrequency() const { return m_settings.m_inputFrequencyOffset; }
virtual QByteArray serialize() const;
virtual bool deserialize(const QByteArray& data);
virtual int getNbSinkStreams() const { return 1; }
virtual int getNbSourceStreams() const { return 0; }
virtual qint64 getStreamCenterFrequency(int streamIndex, bool sinkElseSource) const
{
(void) streamIndex;
(void) sinkElseSource;
return m_settings.m_inputFrequencyOffset;
}
virtual int webapiSettingsGet(
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage);
virtual int webapiSettingsPutPatch(
bool force,
const QStringList& channelSettingsKeys,
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage);
virtual int webapiReportGet(
SWGSDRangel::SWGChannelReport& response,
QString& errorMessage);
uint32_t getSampleRate() const { return m_channelSampleRate; }
double getMagSq() const { return m_magsq; }
bool getSquelchOpen() const { return m_squelchOpen; }
bool getPllLocked() const { return (m_settings.m_trackerType == FreqTrackerSettings::TrackerPLL) && m_pll.locked(); }
Real getFrequency() const;
Real getAvgDeltaFreq() const { return m_avgDeltaFreq; }
void getMagSqLevels(double& avg, double& peak, int& nbSamples)
{
if (m_magsqCount > 0)
{
m_magsq = m_magsqSum / m_magsqCount;
m_magSqLevelStore.m_magsq = m_magsq;
m_magSqLevelStore.m_magsqPeak = m_magsqPeak;
}
avg = m_magSqLevelStore.m_magsq;
peak = m_magSqLevelStore.m_magsqPeak;
nbSamples = m_magsqCount == 0 ? 1 : m_magsqCount;
m_magsqSum = 0.0f;
m_magsqPeak = 0.0f;
m_magsqCount = 0;
}
static const QString m_channelIdURI;
static const QString m_channelId;
private:
struct MagSqLevelsStore
{
MagSqLevelsStore() :
m_magsq(1e-12),
m_magsqPeak(1e-12)
{}
double m_magsq;
double m_magsqPeak;
};
enum RateState {
RSInitialFill,
RSRunning
};
DeviceAPI *m_deviceAPI;
ThreadedBasebandSampleSink* m_threadedChannelizer;
DownChannelizer* m_channelizer;
FreqTrackerSettings m_settings;
uint32_t m_deviceSampleRate;
int m_inputSampleRate;
int m_inputFrequencyOffset;
uint32_t m_channelSampleRate;
bool m_running;
NCOF m_nco;
PhaseLockComplex m_pll;
FreqLockComplex m_fll;
Interpolator m_interpolator;
Real m_interpolatorDistance;
Real m_interpolatorDistanceRemain;
fftfilt* m_rrcFilter;
Real m_squelchLevel;
uint32_t m_squelchCount;
bool m_squelchOpen;
uint32_t m_squelchGate; //!< Squelch gate in samples
double m_magsq;
double m_magsqSum;
double m_magsqPeak;
int m_magsqCount;
MagSqLevelsStore m_magSqLevelStore;
MovingAverageUtil<Real, double, 16> m_movingAverage;
static const int m_udpBlockSize;
QNetworkAccessManager *m_networkManager;
QNetworkRequest m_networkRequest;
const QTimer *m_timer;
bool m_timerConnected;
uint32_t m_tickCount;
int m_lastCorrAbs;
Real m_avgDeltaFreq;
QMutex m_settingsMutex;
void applySettings(const FreqTrackerSettings& settings, bool force = false);
void applyChannelSettings(int inputSampleRate, int inputFrequencyOffset, bool force = false);
void setInterpolator();
void configureChannelizer();
void connectTimer();
void disconnectTimer();
void webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const FreqTrackerSettings& settings);
void webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response);
void webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const FreqTrackerSettings& settings, bool force);
void processOneSample(Complex &ci);
private slots:
void networkManagerFinished(QNetworkReply *reply);
void tick();
};
#endif // INCLUDE_FREQTRACKER_H