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			108 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			108 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| ///////////////////////////////////////////////////////////////////////////////////
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| // Copyright (C) 2018 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_SOAPYSDRINPUT_SOAPYSDRINPUTTHREAD_H_
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| #define PLUGINS_SAMPLESOURCE_SOAPYSDRINPUT_SOAPYSDRINPUTTHREAD_H_
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| 
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| // SoapySDR is a device wrapper with a single stream supporting one or many Rx
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| // Therefore only one thread can be allocated for the Rx side
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| // All FIFOs must be registered before calling startWork()
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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 <SoapySDR/Device.hpp>
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| 
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| #include "soapysdr/devicesoapysdrshared.h"
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| #include "dsp/decimators.h"
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| #include "dsp/decimatorsfi.h"
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| 
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| class SampleSinkFifo;
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| 
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| class SoapySDRInputThread : public QThread {
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|     Q_OBJECT
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| 
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| public:
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|     SoapySDRInputThread(SoapySDR::Device* dev, unsigned int nbRxChannels, QObject* parent = 0);
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|     ~SoapySDRInputThread();
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| 
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|     void startWork();
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|     void stopWork();
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|     bool isRunning() const { return m_running; }
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|     unsigned int getNbChannels() const { return m_nbChannels; }
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|     void setLog2Decimation(unsigned int channel, unsigned int log2_decim);
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|     unsigned int getLog2Decimation(unsigned int channel) const;
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|     void setSampleRate(unsigned int sampleRate) { m_sampleRate = sampleRate; }
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|     unsigned int getSampleRate() const { return m_sampleRate; }
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|     void setFcPos(unsigned int channel, int fcPos);
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|     int getFcPos(unsigned int channel) const;
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|     void setFifo(unsigned int channel, SampleSinkFifo *sampleFifo);
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|     SampleSinkFifo *getFifo(unsigned int channel);
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| 
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| private:
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|     struct Channel
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|     {
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|         SampleVector m_convertBuffer;
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|         SampleSinkFifo* m_sampleFifo;
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|         unsigned int m_log2Decim;
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|         int m_fcPos;
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|         Decimators<qint32, qint8, SDR_RX_SAMP_SZ, 8> m_decimators8;
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|         Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 12> m_decimators12;
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|         Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 16> m_decimators16;
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|         DecimatorsFI m_decimatorsFloat;
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| 
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|         Channel() :
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|             m_sampleFifo(0),
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|             m_log2Decim(0),
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|             m_fcPos(0)
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|         {}
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| 
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|         ~Channel()
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|         {}
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|     };
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| 
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|     enum DecimatorType
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|     {
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|         Decimator8,
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|         Decimator12,
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|         Decimator16,
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|         DecimatorFloat
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|     };
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| 
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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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|     SoapySDR::Device* m_dev;
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| 
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|     Channel *m_channels; //!< Array of channels dynamically allocated for the given number of Rx channels
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|     unsigned int m_sampleRate;
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|     unsigned int m_nbChannels;
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|     DecimatorType m_decimatorType;
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| 
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|     void run();
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|     unsigned int getNbFifos();
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|     void callbackSI8(const qint8* buf, qint32 len, unsigned int channel = 0);
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|     void callbackSI12(const qint16* buf, qint32 len, unsigned int channel = 0);
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|     void callbackSI16(const qint16* buf, qint32 len, unsigned int channel = 0);
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|     void callbackSIF(const float* buf, qint32 len, unsigned int channel = 0);
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|     void callbackMI(std::vector<void *>& buffs, qint32 samplesPerChannel);
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| };
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| 
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| 
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| 
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| #endif /* PLUGINS_SAMPLESOURCE_SOAPYSDRINPUT_SOAPYSDRINPUTTHREAD_H_ */
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