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			96 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2018-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.com>          //
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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 PLUGINS_SAMPLESOURCE_BLADERF2INPUT_BLADERF2INPUTTHREAD_H_
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#define PLUGINS_SAMPLESOURCE_BLADERF2INPUT_BLADERF2INPUTTHREAD_H_
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// BladerRF2 is a SISO/MIMO device with a single stream supporting one or two 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() else SISO/MIMO switch will not work properly
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// with unpredictable results
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#include <QThread>
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#include <QMutex>
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#include <QWaitCondition>
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#include <libbladeRF.h>
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#include "bladerf2/devicebladerf2shared.h"
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#include "dsp/decimators.h"
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class SampleSinkFifo;
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class BladeRF2InputThread : public QThread {
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    Q_OBJECT
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public:
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    BladeRF2InputThread(struct bladerf* dev, unsigned int nbRxChannels, QObject* parent = NULL);
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    ~BladeRF2InputThread();
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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 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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    void setIQOrder(bool iqOrder) { m_iqOrder = iqOrder; }
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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, qint16, SDR_RX_SAMP_SZ, 12, true> m_decimatorsIQ;
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        Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 12, false> m_decimatorsQI;
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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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        ~Channel()
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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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    struct bladerf* m_dev;
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    Channel *m_channels; //!< Array of channels dynamically allocated for the given number of Rx channels
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    qint16 *m_buf; //!< Full buffer for SISO or MIMO operation
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    unsigned int m_nbChannels;
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    bool m_iqOrder;
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    void run();
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    unsigned int getNbFifos();
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    void callbackSIIQ(const qint16* buf, qint32 len, unsigned int channel = 0);
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    void callbackSIQI(const qint16* buf, qint32 len, unsigned int channel = 0);
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    void callbackMI(const qint16* buf, qint32 samplesPerChannel);
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};
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#endif /* PLUGINS_SAMPLESOURCE_BLADERF2INPUT_BLADERF2INPUTTHREAD_H_ */
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