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sdrangel/plugins/samplesink/limesdroutput/limesdroutputthread.h

68 lines
2.7 KiB
C++

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