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sdrangel/plugins/samplesink/hackrfoutput/hackrfoutputthread.h

62 lines
2.2 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 INCLUDE_HACKRFOUTPUTTHREAD_H
#define INCLUDE_HACKRFOUTPUTTHREAD_H
#include <QThread>
#include <QMutex>
#include <QWaitCondition>
#include <libhackrf/hackrf.h>
#include "dsp/samplesourcefifo.h"
#include "dsp/interpolators.h"
#define HACKRF_BLOCKSIZE (1<<17)
class HackRFOutputThread : public QThread {
Q_OBJECT
public:
HackRFOutputThread(hackrf_device* dev, SampleSourceFifo* sampleFifo, QObject* parent = NULL);
~HackRFOutputThread();
void startWork();
void stopWork();
void setSamplerate(uint32_t samplerate);
void setLog2Interpolation(unsigned int log2_interp);
private:
QMutex m_startWaitMutex;
QWaitCondition m_startWaiter;
bool m_running;
hackrf_device* m_dev;
qint8 m_buf[2*HACKRF_BLOCKSIZE];
SampleSourceFifo* m_sampleFifo;
int m_samplerate;
unsigned int m_log2Interp;
Interpolators<qint8, SDR_SAMP_SZ, 8> m_interpolators;
void run();
void callback(qint8* buf, qint32 len);
static int tx_callback(hackrf_transfer* transfer);
};
#endif // INCLUDE_HACKRFOUTPUTTHREAD_H