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126 lines
5.0 KiB
C++
126 lines
5.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2015 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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// //
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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_DSPDEVICEENGINE_H
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#define INCLUDE_DSPDEVICEENGINE_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 "dsp/dsptypes.h"
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#include "dsp/fftwindow.h"
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#include "dsp/samplefifo.h"
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#include "util/messagequeue.h"
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#include "util/syncmessenger.h"
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#include "util/export.h"
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class SampleSource;
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class SampleSink;
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class ThreadedSampleSink;
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class SDRANGEL_API DSPDeviceEngine : 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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DSPDeviceEngine(QObject* parent = NULL);
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~DSPDeviceEngine();
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MessageQueue* getInputMessageQueue() { return &m_inputMessageQueue; }
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MessageQueue* getOutputMessageQueue() { return &m_outputMessageQueue; }
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void start(); //!< This thread start
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void stop(); //!< This thread stop
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bool initAcquisition(); //!< Initialize acquisition sequence
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bool startAcquisition(); //!< Start acquisition sequence
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void stopAcquistion(); //!< Stop acquisition sequence
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void setSource(SampleSource* source); //!< Set the sample source type
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void setSourceSequence(int sequence); //!< Set the sample source sequence in type
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void addSink(SampleSink* sink); //!< Add a sample sink
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void removeSink(SampleSink* sink); //!< Remove a sample sink
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void addThreadedSink(ThreadedSampleSink* sink); //!< Add a sample sink that will run on its own thread
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void removeThreadedSink(ThreadedSampleSink* sink); //!< Remove a sample sink that runs on its own thread
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void configureCorrections(bool dcOffsetCorrection, bool iqImbalanceCorrection); //!< Configure DSP corrections
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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 sourceDeviceDescription(); //!< Return the source device description
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private:
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MessageQueue m_inputMessageQueue; //<! Input message queue. Post here.
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MessageQueue m_outputMessageQueue; //<! Output message queue. Listen 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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SampleSource* m_sampleSource;
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int m_sampleSourceSequence;
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typedef std::list<SampleSink*> SampleSinks;
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SampleSinks m_sampleSinks; //!< sample sinks within main thread (usually spectrum, file output)
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typedef std::list<ThreadedSampleSink*> ThreadedSampleSinks;
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ThreadedSampleSinks m_threadedSampleSinks; //!< sample sinks on their own threads (usually channels)
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uint m_sampleRate;
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quint64 m_centerFrequency;
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bool m_dcOffsetCorrection;
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bool m_iqImbalanceCorrection;
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double m_iOffset, m_qOffset;
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qint32 m_iRange;
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qint32 m_qRange;
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qint32 m_imbalance;
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void run();
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void dcOffset(SampleVector::iterator begin, SampleVector::iterator end);
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void imbalance(SampleVector::iterator begin, SampleVector::iterator end);
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void work(); //!< transfer samples from source to sinks if in running state
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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 handleSetSource(SampleSource* source); //!< Manage source setting
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private slots:
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void handleData(); //!< Handle data when samples from source FIFO are ready to be processed
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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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};
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#endif // INCLUDE_DSPDEVICEENGINE_H
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