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134 lines
5.1 KiB
C++
134 lines
5.1 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 SDRBASE_DSP_DSPDEVICESINKENGINE_H_
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#define SDRBASE_DSP_DSPDEVICESINKENGINE_H_
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#include <QThread>
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#include <QTimer>
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#include <QMutex>
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#include <QWaitCondition>
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#include <stdint.h>
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#include <list>
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#include <map>
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#include "dsp/dsptypes.h"
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#include "dsp/fftwindow.h"
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#include "util/messagequeue.h"
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#include "util/syncmessenger.h"
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#include "util/incrementalvector.h"
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#include "export.h"
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class DeviceSampleSink;
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class BasebandSampleSource;
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class BasebandSampleSink;
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class SDRBASE_API DSPDeviceSinkEngine : public QThread {
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Q_OBJECT
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public:
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enum State {
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StNotStarted, //!< engine is before initialization
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StIdle, //!< engine is idle
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StReady, //!< engine is ready to run
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StRunning, //!< engine is running
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StError //!< engine is in error
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};
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DSPDeviceSinkEngine(uint32_t uid, QObject* parent = NULL);
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~DSPDeviceSinkEngine();
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uint32_t getUID() const { return m_uid; }
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MessageQueue* getInputMessageQueue() { return &m_inputMessageQueue; }
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void start(); //!< This thread start
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void stop(); //!< This thread stop
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bool initGeneration(); //!< Initialize generation sequence
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bool startGeneration(); //!< Start generation sequence
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void stopGeneration(); //!< Stop generation sequence
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void setSink(DeviceSampleSink* sink); //!< Set the sample sink type
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DeviceSampleSink *getSink() { return m_deviceSampleSink; }
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void setSinkSequence(int sequence); //!< Set the sample sink sequence in type
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void addChannelSource(BasebandSampleSource* source); //!< Add a baseband sample source
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void removeChannelSource(BasebandSampleSource* source); //!< Remove a baseband sample source
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void addSpectrumSink(BasebandSampleSink* spectrumSink); //!< Add a spectrum vis baseband sample sink
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void removeSpectrumSink(BasebandSampleSink* spectrumSink); //!< Add a spectrum vis baseband sample sink
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State state() const { return m_state; } //!< Return DSP engine current state
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QString errorMessage(); //!< Return the current error message
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QString sinkDeviceDescription(); //!< Return the sink device description
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private:
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uint32_t m_uid; //!< unique ID
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MessageQueue m_inputMessageQueue; //<! Input message queue. Post here.
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SyncMessenger m_syncMessenger; //!< Used to process messages synchronously with the thread
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State m_state;
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QString m_errorMessage;
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QString m_deviceDescription;
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DeviceSampleSink* m_deviceSampleSink;
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int m_sampleSinkSequence;
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typedef std::list<BasebandSampleSource*> BasebandSampleSources;
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BasebandSampleSources m_basebandSampleSources; //!< baseband sample sources within main thread (usually file input)
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BasebandSampleSink *m_spectrumSink;
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IncrementalVector<Sample> m_sourceSampleBuffer;
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IncrementalVector<Sample> m_sourceZeroBuffer;
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uint32_t m_sampleRate;
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quint64 m_centerFrequency;
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unsigned int m_sumIndex; //!< channel index when summing channels
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void run();
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void workSampleFifo(); //!< transfer samples from baseband sources to sink if in running state
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void workSamples(SampleVector& data, unsigned int iBegin, unsigned int iEnd);
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State gotoIdle(); //!< Go to the idle state
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State gotoInit(); //!< Go to the acquisition init state from idle
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State gotoRunning(); //!< Go to the running state from ready state
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State gotoError(const QString& errorMsg); //!< Go to an error state
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void setState(State state);
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void handleSetSink(DeviceSampleSink* sink); //!< Manage sink setting
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private slots:
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void handleData(); //!< Handle data when samples have to be written to the sample FIFO
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void handleInputMessages(); //!< Handle input message queue
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void handleSynchronousMessages(); //!< Handle synchronous messages with the thread
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signals:
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void stateChanged();
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};
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#endif /* SDRBASE_DSP_DSPDEVICESINKENGINE_H_ */
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