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64 lines
2.6 KiB
C++
64 lines
2.6 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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#ifndef PLUGINS_SAMPLESOURCE_PERSEUS_PERSEUSTHREAD_H_
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#define PLUGINS_SAMPLESOURCE_PERSEUS_PERSEUSTHREAD_H_
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#include <QThread>
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#include <QMutex>
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#include <QWaitCondition>
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#include "perseus-sdr.h"
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#include "dsp/samplesinkfifo.h"
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#include "dsp/decimators.h"
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#define PERSEUS_NBSAMPLES 2048 // Number of I/Q samples in each callback from Perseus
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#define PERSEUS_BLOCKSIZE 6*PERSEUS_NBSAMPLES // Perseus sends 2*3 bytes samples
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class PerseusThread : public QThread {
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Q_OBJECT
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public:
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PerseusThread(perseus_descr* dev, SampleSinkFifo* sampleFifo, QObject* parent = 0);
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~PerseusThread();
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void startWork();
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void stopWork();
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void setLog2Decimation(unsigned int log2_decim);
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private:
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QMutex m_startWaitMutex;
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QWaitCondition m_startWaiter;
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volatile bool m_running;
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perseus_descr* m_dev;
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qint32 m_buf[2*PERSEUS_NBSAMPLES];
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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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static PerseusThread *m_this;
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Decimators<qint32, TripleByteLE<qint32>, SDR_RX_SAMP_SZ, 24> m_decimators32; // for no decimation (accumulator is int32)
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Decimators<qint32, TripleByteLE<qint64>, SDR_RX_SAMP_SZ, 24> m_decimators64; // for actual decimation (accumulator is int64)
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void run();
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void callback(const uint8_t* buf, qint32 len); // inner call back
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static int rx_callback(void *buf, int buf_size, void *extra); // call back from Perseus
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};
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#endif /* PLUGINS_SAMPLESOURCE_PERSEUS_PERSEUSTHREAD_H_ */
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