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sdrangel/sdrbase/dsp/dspdevicesourceengine.h
2016-10-06 15:36:54 +02:00

129 lines
5.2 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015 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 INCLUDE_DSPDEVICEENGINE_H
#define INCLUDE_DSPDEVICEENGINE_H
#include <QThread>
#include <QTimer>
#include <QMutex>
#include <QWaitCondition>
#include "dsp/dsptypes.h"
#include "dsp/fftwindow.h"
#include "util/messagequeue.h"
#include "util/syncmessenger.h"
#include "util/export.h"
class DeviceSampleSource;
class BasebandSampleSink;
class ThreadedBasebandSampleSink;
class SDRANGEL_API DSPDeviceSourceEngine : 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
};
DSPDeviceSourceEngine(uint uid, QObject* parent = NULL);
~DSPDeviceSourceEngine();
uint 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 initAcquisition(); //!< Initialize acquisition sequence
bool startAcquisition(); //!< Start acquisition sequence
void stopAcquistion(); //!< Stop acquisition sequence
void setSource(DeviceSampleSource* source); //!< Set the sample source type
void setSourceSequence(int sequence); //!< Set the sample source sequence in type
void addSink(BasebandSampleSink* sink); //!< Add a sample sink
void removeSink(BasebandSampleSink* sink); //!< Remove a sample sink
void addThreadedSink(ThreadedBasebandSampleSink* sink); //!< Add a sample sink that will run on its own thread
void removeThreadedSink(ThreadedBasebandSampleSink* sink); //!< Remove a sample sink that runs on its own thread
void configureCorrections(bool dcOffsetCorrection, bool iqImbalanceCorrection); //!< Configure DSP corrections
State state() const { return m_state; } //!< Return DSP engine current state
QString errorMessage(); //!< Return the current error message
QString sourceDeviceDescription(); //!< Return the source device description
private:
uint 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;
DeviceSampleSource* m_deviceSampleSource;
int m_sampleSourceSequence;
typedef std::list<BasebandSampleSink*> BasebandSampleSinks;
BasebandSampleSinks m_basebandSampleSinks; //!< sample sinks within main thread (usually spectrum, file output)
typedef std::list<ThreadedBasebandSampleSink*> ThreadedBasebandSampleSinks;
ThreadedBasebandSampleSinks m_threadedBasebandSampleSinks; //!< sample sinks on their own threads (usually channels)
uint m_sampleRate;
quint64 m_centerFrequency;
bool m_dcOffsetCorrection;
bool m_iqImbalanceCorrection;
double m_iOffset, m_qOffset;
qint32 m_iRange;
qint32 m_qRange;
qint32 m_imbalance;
void run();
void dcOffset(SampleVector::iterator begin, SampleVector::iterator end);
void imbalance(SampleVector::iterator begin, SampleVector::iterator end);
void work(); //!< transfer samples from source to sinks 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 handleSetSource(DeviceSampleSource* source); //!< Manage source setting
private slots:
void handleData(); //!< Handle data when samples from source FIFO are ready to be processed
void handleInputMessages(); //!< Handle input message queue
void handleSynchronousMessages(); //!< Handle synchronous messages with the thread
};
#endif // INCLUDE_DSPDEVICEENGINE_H