sdrangel/sdrbase/dsp/dspdevicesinkengine.h

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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 //
// //
// 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 SDRBASE_DSP_DSPDEVICESINKENGINE_H_
#define SDRBASE_DSP_DSPDEVICESINKENGINE_H_
#include <QThread>
#include <QTimer>
#include <QMutex>
#include <QWaitCondition>
#include <stdint.h>
#include <list>
#include <map>
#include "dsp/dsptypes.h"
#include "dsp/fftwindow.h"
#include "util/messagequeue.h"
#include "util/syncmessenger.h"
#include "util/export.h"
class DeviceSampleSink;
class BasebandSampleSource;
class ThreadedBasebandSampleSource;
class BasebandSampleSink;
class SDRANGEL_API DSPDeviceSinkEngine : public QThread {
Q_OBJECT
public:
enum State {
StNotStarted, //!< engine is before initialization
StIdle, //!< engine is idle
StReady, //!< engine is ready to run
StRunning, //!< engine is running
StError //!< engine is in error
};
DSPDeviceSinkEngine(uint32_t uid, QObject* parent = NULL);
~DSPDeviceSinkEngine();
uint32_t getUID() const { return m_uid; }
MessageQueue* getInputMessageQueue() { return &m_inputMessageQueue; }
MessageQueue* getOutputMessageQueue() { return &m_outputMessageQueue; }
void start(); //!< This thread start
void stop(); //!< This thread stop
bool initGeneration(); //!< Initialize generation sequence
bool startGeneration(); //!< Start generation sequence
void stopGeneration(); //!< Stop generation sequence
void setSink(DeviceSampleSink* sink); //!< Set the sample sink type
void setSinkSequence(int sequence); //!< Set the sample sink sequence in type
void addSource(BasebandSampleSource* source); //!< Add a baseband sample source
void removeSource(BasebandSampleSource* source); //!< Remove a baseband sample source
void addThreadedSource(ThreadedBasebandSampleSource* source); //!< Add a baseband sample source that will run on its own thread
void removeThreadedSource(ThreadedBasebandSampleSource* source); //!< Remove a baseband sample source that runs on its own thread
uint32_t getNumberOfSources() const { return m_basebandSampleSources.size() + m_threadedBasebandSampleSources.size(); }
void addSpectrumSink(BasebandSampleSink* spectrumSink); //!< Add a spectrum vis baseband sample sink
void removeSpectrumSink(BasebandSampleSink* spectrumSink); //!< Add a spectrum vis baseband sample sink
State state() const { return m_state; } //!< Return DSP engine current state
QString errorMessage(); //!< Return the current error message
QString sinkDeviceDescription(); //!< Return the sink device description
private:
uint32_t m_uid; //!< unique ID
MessageQueue m_inputMessageQueue; //<! Input message queue. Post here.
MessageQueue m_outputMessageQueue; //<! Output message queue. Listen here.
SyncMessenger m_syncMessenger; //!< Used to process messages synchronously with the thread
State m_state;
QString m_errorMessage;
QString m_deviceDescription;
DeviceSampleSink* m_deviceSampleSink;
int m_sampleSinkSequence;
typedef std::list<BasebandSampleSource*> BasebandSampleSources;
BasebandSampleSources m_basebandSampleSources; //!< baseband sample sources within main thread (usually file input)
typedef std::list<ThreadedBasebandSampleSource*> ThreadedBasebandSampleSources;
ThreadedBasebandSampleSources m_threadedBasebandSampleSources; //!< baseband sample sources on their own threads (usually channels)
typedef std::map<BasebandSampleSource*, SampleVector::iterator> BasebandSampleSourcesIteratorMap;
typedef std::pair<BasebandSampleSource*, SampleVector::iterator> BasebandSampleSourcesIteratorMapKV;
BasebandSampleSourcesIteratorMap m_basebandSampleSourcesIteratorMap;
typedef std::map<ThreadedBasebandSampleSource*, SampleVector::iterator> ThreadedBasebandSampleSourcesIteratorMap;
typedef std::pair<ThreadedBasebandSampleSource*, SampleVector::iterator> ThreadedBasebandSampleSourcesIteratorMapKV;
ThreadedBasebandSampleSourcesIteratorMap m_threadedBasebandSampleSourcesIteratorMap;
BasebandSampleSink *m_spectrumSink;
uint32_t m_sampleRate;
quint64 m_centerFrequency;
uint32_t m_multipleSourcesDivisionFactor;
void run();
void work(int nbWriteSamples); //!< transfer samples from beseband sources to sink if in running state
State gotoIdle(); //!< Go to the idle state
State gotoInit(); //!< Go to the acquisition init state from idle
State gotoRunning(); //!< Go to the running state from ready state
State gotoError(const QString& errorMsg); //!< Go to an error state
void handleSetSink(DeviceSampleSink* sink); //!< Manage sink setting
private slots:
void handleData(int nbSamples); //!< Handle data when samples have to be written to the sample FIFO
void handleInputMessages(); //!< Handle input message queue
void handleSynchronousMessages(); //!< Handle synchronous messages with the thread
void handleForwardToSpectrumSink(int nbSamples);
};
#endif /* SDRBASE_DSP_DSPDEVICESINKENGINE_H_ */