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sdrangel/plugins/channelrx/demoddsd/dsddemod.h
2019-05-09 17:27:12 +02:00

285 lines
8.8 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2016 F4EXB //
// written by Edouard Griffiths //
// //
// 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_DSDDEMOD_H
#define INCLUDE_DSDDEMOD_H
#include <vector>
#include <QMutex>
#include <QNetworkRequest>
#include "dsp/basebandsamplesink.h"
#include "channel/channelapi.h"
#include "dsp/phasediscri.h"
#include "dsp/nco.h"
#include "dsp/interpolator.h"
#include "dsp/lowpass.h"
#include "dsp/bandpass.h"
#include "dsp/afsquelch.h"
#include "util/movingaverage.h"
#include "dsp/afsquelch.h"
#include "audio/audiofifo.h"
#include "util/message.h"
#include "util/doublebufferfifo.h"
#include "dsddemodsettings.h"
#include "dsddecoder.h"
class QNetworkAccessManager;
class QNetworkReply;
class DeviceAPI;
class ThreadedBasebandSampleSink;
class DownChannelizer;
class DSDDemod : public BasebandSampleSink, public ChannelAPI {
Q_OBJECT
public:
class MsgConfigureDSDDemod : public Message {
MESSAGE_CLASS_DECLARATION
public:
const DSDDemodSettings& getSettings() const { return m_settings; }
bool getForce() const { return m_force; }
static MsgConfigureDSDDemod* create(const DSDDemodSettings& settings, bool force)
{
return new MsgConfigureDSDDemod(settings, force);
}
private:
DSDDemodSettings m_settings;
bool m_force;
MsgConfigureDSDDemod(const DSDDemodSettings& 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)
{ }
};
DSDDemod(DeviceAPI *deviceAPI);
~DSDDemod();
virtual void destroy() { delete this; }
void setScopeXYSink(BasebandSampleSink* sampleSink) { m_scopeXY = sampleSink; }
void configureMyPosition(MessageQueue* messageQueue, float myLatitude, float myLongitude);
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;
}
double getMagSq() { return m_magsq; }
bool getSquelchOpen() const { return m_squelchOpen; }
const DSDDecoder& getDecoder() const { return m_dsdDecoder; }
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;
}
const char *updateAndGetStatusText();
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);
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;
};
typedef enum
{
signalFormatNone,
signalFormatDMR,
signalFormatDStar,
signalFormatDPMR,
signalFormatYSF,
signalFormatNXDN
} SignalFormat; //!< Used for status text formatting
class MsgConfigureMyPosition : public Message {
MESSAGE_CLASS_DECLARATION
public:
float getMyLatitude() const { return m_myLatitude; }
float getMyLongitude() const { return m_myLongitude; }
static MsgConfigureMyPosition* create(float myLatitude, float myLongitude)
{
return new MsgConfigureMyPosition(myLatitude, myLongitude);
}
private:
float m_myLatitude;
float m_myLongitude;
MsgConfigureMyPosition(float myLatitude, float myLongitude) :
m_myLatitude(myLatitude),
m_myLongitude(myLongitude)
{}
};
enum RateState {
RSInitialFill,
RSRunning
};
DeviceAPI *m_deviceAPI;
ThreadedBasebandSampleSink* m_threadedChannelizer;
DownChannelizer* m_channelizer;
int m_inputSampleRate;
int m_inputFrequencyOffset;
DSDDemodSettings m_settings;
quint32 m_audioSampleRate;
NCO m_nco;
Interpolator m_interpolator;
Real m_interpolatorDistance;
Real m_interpolatorDistanceRemain;
int m_sampleCount;
int m_squelchCount;
int m_squelchGate;
double m_squelchLevel;
bool m_squelchOpen;
DoubleBufferFIFO<Real> m_squelchDelayLine;
MovingAverageUtil<Real, double, 16> m_movingAverage;
double m_magsq;
double m_magsqSum;
double m_magsqPeak;
int m_magsqCount;
MagSqLevelsStore m_magSqLevelStore;
SampleVector m_scopeSampleBuffer;
AudioVector m_audioBuffer;
uint m_audioBufferFill;
FixReal *m_sampleBuffer; //!< samples ring buffer
int m_sampleBufferIndex;
int m_scaleFromShort;
AudioFifo m_audioFifo1;
AudioFifo m_audioFifo2;
BasebandSampleSink* m_scopeXY;
bool m_scopeEnabled;
DSDDecoder m_dsdDecoder;
char m_formatStatusText[82+1]; //!< Fixed signal format dependent status text
SignalFormat m_signalFormat; //!< Used to keep formatting during successive calls for the same standard type
PhaseDiscriminators m_phaseDiscri;
QNetworkAccessManager *m_networkManager;
QNetworkRequest m_networkRequest;
QMutex m_settingsMutex;
static const int m_udpBlockSize;
void applyAudioSampleRate(int sampleRate);
void applyChannelSettings(int inputSampleRate, int inputFrequencyOffset, bool force = false);
void applySettings(const DSDDemodSettings& settings, bool force = false);
void formatStatusText();
void webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const DSDDemodSettings& settings);
void webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response);
void webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const DSDDemodSettings& settings, bool force);
private slots:
void networkManagerFinished(QNetworkReply *reply);
};
#endif // INCLUDE_DSDDEMOD_H