sdrangel/plugins/samplesource/plutosdrinput/plutosdrinputthread.h

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2017-09-06 04:15:38 +00:00
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef PLUGINS_SAMPLESOURCE_PLUTOSDRINPUT_PLUTOSDRINPUTTHREAD_H_
#define PLUGINS_SAMPLESOURCE_PLUTOSDRINPUT_PLUTOSDRINPUTTHREAD_H_
#include <QThread>
#include <QMutex>
#include <QWaitCondition>
#include "dsp/samplesinkfifo.h"
#include "dsp/decimators.h"
#include "plutosdr/deviceplutosdrshared.h"
class DevicePlutoSDRBox;
class PlutoSDRInputThread : public QThread, public DevicePlutoSDRShared::ThreadInterface
{
Q_OBJECT
public:
PlutoSDRInputThread(uint32_t blocksize, DevicePlutoSDRBox* plutoBox, SampleSinkFifo* sampleFifo, QObject* parent = 0);
~PlutoSDRInputThread();
virtual void startWork();
virtual void stopWork();
virtual void setDeviceSampleRate(int sampleRate __attribute__((unused))) {}
virtual bool isRunning() { return m_running; }
void setLog2Decimation(unsigned int log2_decim);
void setFcPos(int fcPos);
private:
QMutex m_startWaitMutex;
QWaitCondition m_startWaiter;
bool m_running;
DevicePlutoSDRBox *m_plutoBox;
int16_t *m_buf; //!< holds I+Q values of each sample from devce
int16_t *m_bufConv; //!< holds I+Q values of each sample converted to host format via iio_channel_convert
uint32_t m_blockSizeSamples; //!< buffer sizes in number of (I,Q) samples
SampleVector m_convertBuffer; //!< vector of (I,Q) samples used for decimation and scaling conversion
SampleVector::iterator m_convertIt;
SampleSinkFifo* m_sampleFifo; //!< DSP sample FIFO (I,Q)
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unsigned int m_log2Decim; // soft decimation
int m_fcPos;
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float m_phasor;
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Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 12> m_decimators;
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void run();
void convert(const qint16* buf, qint32 len);
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};
#endif /* PLUGINS_SAMPLESOURCE_PLUTOSDRINPUT_PLUTOSDRINPUTTHREAD_H_ */