mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-03 15:31:15 -05:00
272 lines
8.3 KiB
C++
272 lines
8.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
|
// written by Christian Daniel //
|
|
// //
|
|
// 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_NFMDEMOD_H
|
|
#define INCLUDE_NFMDEMOD_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 "dsp/agc.h"
|
|
#include "dsp/ctcssdetector.h"
|
|
#include "audio/audiofifo.h"
|
|
#include "util/message.h"
|
|
#include "util/movingaverage.h"
|
|
#include "util/doublebufferfifo.h"
|
|
|
|
#include "nfmdemodsettings.h"
|
|
|
|
class QNetworkAccessManager;
|
|
class QNetworkReply;
|
|
class DeviceAPI;
|
|
class ThreadedBasebandSampleSink;
|
|
class DownChannelizer;
|
|
|
|
class NFMDemod : public BasebandSampleSink, public ChannelAPI {
|
|
Q_OBJECT
|
|
public:
|
|
class MsgConfigureNFMDemod : public Message {
|
|
MESSAGE_CLASS_DECLARATION
|
|
|
|
public:
|
|
const NFMDemodSettings& getSettings() const { return m_settings; }
|
|
bool getForce() const { return m_force; }
|
|
|
|
static MsgConfigureNFMDemod* create(const NFMDemodSettings& settings, bool force)
|
|
{
|
|
return new MsgConfigureNFMDemod(settings, force);
|
|
}
|
|
|
|
private:
|
|
NFMDemodSettings m_settings;
|
|
bool m_force;
|
|
|
|
MsgConfigureNFMDemod(const NFMDemodSettings& 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 MsgReportCTCSSFreq : public Message {
|
|
MESSAGE_CLASS_DECLARATION
|
|
|
|
public:
|
|
Real getFrequency() const { return m_freq; }
|
|
|
|
static MsgReportCTCSSFreq* create(Real freq)
|
|
{
|
|
return new MsgReportCTCSSFreq(freq);
|
|
}
|
|
|
|
private:
|
|
Real m_freq;
|
|
|
|
MsgReportCTCSSFreq(Real freq) :
|
|
Message(),
|
|
m_freq(freq)
|
|
{ }
|
|
};
|
|
|
|
NFMDemod(DeviceAPI *deviceAPI);
|
|
~NFMDemod();
|
|
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);
|
|
|
|
const Real *getCtcssToneSet(int& nbTones) const {
|
|
nbTones = m_ctcssDetector.getNTones();
|
|
return m_ctcssDetector.getToneSet();
|
|
}
|
|
|
|
void setSelectedCtcssIndex(int selectedCtcssIndex) {
|
|
m_ctcssIndexSelected = selectedCtcssIndex;
|
|
}
|
|
|
|
Real getMag() { return m_magsq; }
|
|
bool getSquelchOpen() const { return m_squelchOpen; }
|
|
|
|
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;
|
|
|
|
int m_inputSampleRate;
|
|
int m_inputFrequencyOffset;
|
|
NFMDemodSettings m_settings;
|
|
uint32_t m_audioSampleRate;
|
|
float m_discriCompensation; //!< compensation factor that depends on audio rate (1 for 48 kS/s)
|
|
bool m_running;
|
|
|
|
NCO m_nco;
|
|
Interpolator m_interpolator;
|
|
Real m_interpolatorDistance;
|
|
Real m_interpolatorDistanceRemain;
|
|
Lowpass<Real> m_lowpass;
|
|
Bandpass<Real> m_bandpass;
|
|
CTCSSDetector m_ctcssDetector;
|
|
int m_ctcssIndex; // 0 for nothing detected
|
|
int m_ctcssIndexSelected;
|
|
int m_sampleCount;
|
|
int m_squelchCount;
|
|
int m_squelchGate;
|
|
|
|
Real m_squelchLevel;
|
|
bool m_squelchOpen;
|
|
bool m_afSquelchOpen;
|
|
double m_magsq; //!< displayed averaged value
|
|
double m_magsqSum;
|
|
double m_magsqPeak;
|
|
int m_magsqCount;
|
|
MagSqLevelsStore m_magSqLevelStore;
|
|
|
|
MovingAverageUtil<Real, double, 32> m_movingAverage;
|
|
AFSquelch m_afSquelch;
|
|
Real m_agcLevel; // AGC will aim to this level
|
|
DoubleBufferFIFO<Real> m_squelchDelayLine;
|
|
|
|
AudioVector m_audioBuffer;
|
|
uint m_audioBufferFill;
|
|
AudioFifo m_audioFifo;
|
|
|
|
QMutex m_settingsMutex;
|
|
|
|
PhaseDiscriminators m_phaseDiscri;
|
|
|
|
QNetworkAccessManager *m_networkManager;
|
|
QNetworkRequest m_networkRequest;
|
|
|
|
static const int m_udpBlockSize;
|
|
|
|
// void apply(bool force = false);
|
|
void applyChannelSettings(int inputSampleRate, int inputFrequencyOffset, bool force = false);
|
|
void applySettings(const NFMDemodSettings& settings, bool force = false);
|
|
void applyAudioSampleRate(int sampleRate);
|
|
void webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const NFMDemodSettings& settings);
|
|
void webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response);
|
|
void webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const NFMDemodSettings& settings, bool force);
|
|
|
|
private slots:
|
|
void networkManagerFinished(QNetworkReply *reply);
|
|
};
|
|
|
|
#endif // INCLUDE_NFMDEMOD_H
|