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68 lines
2.6 KiB
C++
68 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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#ifndef PLUGINS_SAMPLESOURCE_LIMESDROUTPUT_LIMESDROUTPUTTHREAD_H_
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#define PLUGINS_SAMPLESOURCE_LIMESDROUTPUT_LIMESDROUTPUTTHREAD_H_
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#include <QThread>
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#include <QMutex>
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#include <QWaitCondition>
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#include "lime/LimeSuite.h"
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#include "dsp/samplesourcefifo.h"
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#include "dsp/interpolators.h"
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#include "limesdr/devicelimesdrshared.h"
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#define LIMESDROUTPUT_BLOCKSIZE (1<<15) //complex samples per buffer ~10k (16k)
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class LimeSDROutputThread : public QThread, public DeviceLimeSDRShared::ThreadInterface
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{
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Q_OBJECT
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public:
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LimeSDROutputThread(lms_stream_t* stream, SampleSourceFifo* sampleFifo, QObject* parent = 0);
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~LimeSDROutputThread();
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virtual void startWork();
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virtual void stopWork();
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virtual void setDeviceSampleRate(int sampleRate) { m_sampleRate = sampleRate; }
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void setLog2Interpolation(unsigned int log2_ioterp);
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void setFcPos(int fcPos);
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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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lms_stream_t* m_stream;
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qint16 m_buf[2*LIMESDROUTPUT_BLOCKSIZE]; //must hold I+Q values of each sample hence 2xcomplex size
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SampleSourceFifo* m_sampleFifo;
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int m_sampleRate;
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unsigned int m_log2Interp; // soft decimation
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int m_fcPos;
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Interpolators<qint16, SDR_SAMP_SZ, 12> m_interpolators;
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void run();
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void callback(qint16* buf, qint32 len);
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};
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#endif /* PLUGINS_SAMPLESOURCE_LIMESDROUTPUT_LIMESDROUTPUTTHREAD_H_ */
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