mirror of
https://github.com/f4exb/sdrangel.git
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285 lines
8.8 KiB
C++
285 lines
8.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2016 F4EXB //
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// written by Edouard Griffiths //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_DSDDEMOD_H
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#define INCLUDE_DSDDEMOD_H
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#include <vector>
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#include <QMutex>
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#include <QNetworkRequest>
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#include "dsp/basebandsamplesink.h"
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#include "channel/channelapi.h"
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#include "dsp/phasediscri.h"
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#include "dsp/nco.h"
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#include "dsp/interpolator.h"
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#include "dsp/lowpass.h"
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#include "dsp/bandpass.h"
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#include "dsp/afsquelch.h"
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#include "util/movingaverage.h"
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#include "dsp/afsquelch.h"
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#include "audio/audiofifo.h"
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#include "util/message.h"
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#include "util/doublebufferfifo.h"
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#include "dsddemodsettings.h"
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#include "dsddecoder.h"
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class QNetworkAccessManager;
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class QNetworkReply;
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class DeviceAPI;
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class ThreadedBasebandSampleSink;
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class DownChannelizer;
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class DSDDemod : public BasebandSampleSink, public ChannelAPI {
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Q_OBJECT
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public:
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class MsgConfigureDSDDemod : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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const DSDDemodSettings& getSettings() const { return m_settings; }
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bool getForce() const { return m_force; }
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static MsgConfigureDSDDemod* create(const DSDDemodSettings& settings, bool force)
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{
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return new MsgConfigureDSDDemod(settings, force);
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}
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private:
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DSDDemodSettings m_settings;
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bool m_force;
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MsgConfigureDSDDemod(const DSDDemodSettings& settings, bool force) :
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Message(),
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m_settings(settings),
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m_force(force)
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{ }
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};
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class MsgConfigureChannelizer : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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int getSampleRate() const { return m_sampleRate; }
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int getCenterFrequency() const { return m_centerFrequency; }
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static MsgConfigureChannelizer* create(int sampleRate, int centerFrequency)
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{
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return new MsgConfigureChannelizer(sampleRate, centerFrequency);
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}
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private:
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int m_sampleRate;
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int m_centerFrequency;
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MsgConfigureChannelizer(int sampleRate, int centerFrequency) :
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Message(),
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m_sampleRate(sampleRate),
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m_centerFrequency(centerFrequency)
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{ }
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};
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DSDDemod(DeviceAPI *deviceAPI);
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~DSDDemod();
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virtual void destroy() { delete this; }
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void setScopeXYSink(BasebandSampleSink* sampleSink) { m_scopeXY = sampleSink; }
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void configureMyPosition(MessageQueue* messageQueue, float myLatitude, float myLongitude);
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virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool po);
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virtual void start();
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virtual void stop();
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virtual bool handleMessage(const Message& cmd);
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virtual void getIdentifier(QString& id) { id = objectName(); }
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virtual void getTitle(QString& title) { title = m_settings.m_title; }
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virtual qint64 getCenterFrequency() const { return m_settings.m_inputFrequencyOffset; }
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virtual QByteArray serialize() const;
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virtual bool deserialize(const QByteArray& data);
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virtual int getNbSinkStreams() const { return 1; }
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virtual int getNbSourceStreams() const { return 0; }
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virtual qint64 getStreamCenterFrequency(int streamIndex, bool sinkElseSource) const
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{
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(void) streamIndex;
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(void) sinkElseSource;
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return m_settings.m_inputFrequencyOffset;
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}
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double getMagSq() { return m_magsq; }
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bool getSquelchOpen() const { return m_squelchOpen; }
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const DSDDecoder& getDecoder() const { return m_dsdDecoder; }
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void getMagSqLevels(double& avg, double& peak, int& nbSamples)
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{
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if (m_magsqCount > 0)
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{
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m_magsq = m_magsqSum / m_magsqCount;
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m_magSqLevelStore.m_magsq = m_magsq;
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m_magSqLevelStore.m_magsqPeak = m_magsqPeak;
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}
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avg = m_magSqLevelStore.m_magsq;
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peak = m_magSqLevelStore.m_magsqPeak;
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nbSamples = m_magsqCount == 0 ? 1 : m_magsqCount;
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m_magsqSum = 0.0f;
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m_magsqPeak = 0.0f;
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m_magsqCount = 0;
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}
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const char *updateAndGetStatusText();
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virtual int webapiSettingsGet(
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SWGSDRangel::SWGChannelSettings& response,
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QString& errorMessage);
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virtual int webapiSettingsPutPatch(
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bool force,
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const QStringList& channelSettingsKeys,
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SWGSDRangel::SWGChannelSettings& response,
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QString& errorMessage);
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virtual int webapiReportGet(
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SWGSDRangel::SWGChannelReport& response,
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QString& errorMessage);
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static const QString m_channelIdURI;
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static const QString m_channelId;
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private:
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struct MagSqLevelsStore
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{
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MagSqLevelsStore() :
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m_magsq(1e-12),
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m_magsqPeak(1e-12)
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{}
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double m_magsq;
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double m_magsqPeak;
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};
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typedef enum
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{
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signalFormatNone,
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signalFormatDMR,
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signalFormatDStar,
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signalFormatDPMR,
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signalFormatYSF,
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signalFormatNXDN
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} SignalFormat; //!< Used for status text formatting
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class MsgConfigureMyPosition : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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float getMyLatitude() const { return m_myLatitude; }
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float getMyLongitude() const { return m_myLongitude; }
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static MsgConfigureMyPosition* create(float myLatitude, float myLongitude)
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{
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return new MsgConfigureMyPosition(myLatitude, myLongitude);
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}
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private:
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float m_myLatitude;
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float m_myLongitude;
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MsgConfigureMyPosition(float myLatitude, float myLongitude) :
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m_myLatitude(myLatitude),
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m_myLongitude(myLongitude)
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{}
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};
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enum RateState {
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RSInitialFill,
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RSRunning
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};
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DeviceAPI *m_deviceAPI;
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ThreadedBasebandSampleSink* m_threadedChannelizer;
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DownChannelizer* m_channelizer;
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int m_inputSampleRate;
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int m_inputFrequencyOffset;
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DSDDemodSettings m_settings;
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quint32 m_audioSampleRate;
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NCO m_nco;
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Interpolator m_interpolator;
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Real m_interpolatorDistance;
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Real m_interpolatorDistanceRemain;
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int m_sampleCount;
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int m_squelchCount;
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int m_squelchGate;
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double m_squelchLevel;
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bool m_squelchOpen;
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DoubleBufferFIFO<Real> m_squelchDelayLine;
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MovingAverageUtil<Real, double, 16> m_movingAverage;
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double m_magsq;
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double m_magsqSum;
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double m_magsqPeak;
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int m_magsqCount;
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MagSqLevelsStore m_magSqLevelStore;
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SampleVector m_scopeSampleBuffer;
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AudioVector m_audioBuffer;
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uint m_audioBufferFill;
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FixReal *m_sampleBuffer; //!< samples ring buffer
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int m_sampleBufferIndex;
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int m_scaleFromShort;
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AudioFifo m_audioFifo1;
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AudioFifo m_audioFifo2;
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BasebandSampleSink* m_scopeXY;
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bool m_scopeEnabled;
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DSDDecoder m_dsdDecoder;
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char m_formatStatusText[82+1]; //!< Fixed signal format dependent status text
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SignalFormat m_signalFormat; //!< Used to keep formatting during successive calls for the same standard type
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PhaseDiscriminators m_phaseDiscri;
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QNetworkAccessManager *m_networkManager;
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QNetworkRequest m_networkRequest;
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QMutex m_settingsMutex;
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static const int m_udpBlockSize;
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void applyAudioSampleRate(int sampleRate);
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void applyChannelSettings(int inputSampleRate, int inputFrequencyOffset, bool force = false);
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void applySettings(const DSDDemodSettings& settings, bool force = false);
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void formatStatusText();
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void webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const DSDDemodSettings& settings);
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void webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response);
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void webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const DSDDemodSettings& settings, bool force);
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private slots:
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void networkManagerFinished(QNetworkReply *reply);
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};
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#endif // INCLUDE_DSDDEMOD_H
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