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			69 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			69 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| ///////////////////////////////////////////////////////////////////////////////////
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| // Copyright (C) 2017 Edouard Griffiths, F4EXB                                   //
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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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| 
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| #ifndef PLUGINS_SAMPLESOURCE_LIMESDRINPUT_LIMESDRINPUTTHREAD_H_
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| #define PLUGINS_SAMPLESOURCE_LIMESDRINPUT_LIMESDRINPUTTHREAD_H_
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| 
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| #include <QThread>
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| #include <QMutex>
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| #include <QWaitCondition>
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| 
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| #include "lime/LimeSuite.h"
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| 
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| #include "dsp/samplesinkfifo.h"
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| #include "dsp/decimators.h"
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| #include "limesdr/devicelimesdrshared.h"
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| 
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| #define LIMESDR_BLOCKSIZE (1<<15) //complex samples per buffer
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| 
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| class LimeSDRInputThread : public QThread, public DeviceLimeSDRShared::ThreadInterface
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| {
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|     Q_OBJECT
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| 
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| public:
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|     LimeSDRInputThread(lms_stream_t* stream, SampleSinkFifo* sampleFifo, QObject* parent = 0);
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|     ~LimeSDRInputThread();
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| 
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|     virtual void startWork();
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|     virtual void stopWork();
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|     virtual void setDeviceSampleRate(int sampleRate __attribute__((unused))) {}
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|     virtual bool isRunning() { return m_running; }
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|     void setLog2Decimation(unsigned int log2_decim);
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|     void setFcPos(int fcPos);
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| 
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| private:
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|     QMutex m_startWaitMutex;
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|     QWaitCondition m_startWaiter;
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|     bool m_running;
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| 
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|     lms_stream_t* m_stream;
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|     qint16 m_buf[2*LIMESDR_BLOCKSIZE]; //must hold I+Q values of each sample hence 2xcomplex size
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|     SampleVector m_convertBuffer;
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|     SampleSinkFifo* m_sampleFifo;
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| 
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|     unsigned int m_log2Decim; // soft decimation
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|     int m_fcPos;
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| 
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|     Decimators<qint16, SDR_SAMP_SZ, 12> m_decimators;
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| 
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|     void run();
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|     void callback(const qint16* buf, qint32 len);
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| };
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| 
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| 
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| 
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| #endif /* PLUGINS_SAMPLESOURCE_LIMESDRINPUT_LIMESDRINPUTTHREAD_H_ */
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