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71 lines
3.0 KiB
C++
71 lines
3.0 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_PLUTOSDRINPUT_PLUTOSDRINPUTTHREAD_H_
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#define PLUGINS_SAMPLESOURCE_PLUTOSDRINPUT_PLUTOSDRINPUTTHREAD_H_
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#include <QThread>
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#include <QMutex>
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#include <QWaitCondition>
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#include "dsp/samplesinkfifo.h"
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#include "dsp/decimators.h"
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#include "plutosdr/deviceplutosdrshared.h"
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class DevicePlutoSDRBox;
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class PlutoSDRInputThread : public QThread, public DevicePlutoSDRShared::ThreadInterface
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{
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Q_OBJECT
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public:
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PlutoSDRInputThread(uint32_t blocksize, DevicePlutoSDRBox* plutoBox, SampleSinkFifo* sampleFifo, QObject* parent = 0);
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~PlutoSDRInputThread();
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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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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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DevicePlutoSDRBox *m_plutoBox;
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int16_t *m_buf; //!< holds I+Q values of each sample from devce
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int16_t *m_bufConv; //!< holds I+Q values of each sample converted to host format via iio_channel_convert
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uint32_t m_blockSizeSamples; //!< buffer sizes in number of (I,Q) samples
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SampleVector m_convertBuffer; //!< vector of (I,Q) samples used for decimation and scaling conversion
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SampleVector::iterator m_convertIt;
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SampleSinkFifo* m_sampleFifo; //!< DSP sample FIFO (I,Q)
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unsigned int m_log2Decim; // soft decimation
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int m_fcPos;
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float m_phasor;
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Decimators<qint16, SDR_SAMP_SZ, 12> m_decimators;
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void run();
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void convert(const qint16* buf, qint32 len);
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};
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#endif /* PLUGINS_SAMPLESOURCE_PLUTOSDRINPUT_PLUTOSDRINPUTTHREAD_H_ */
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