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sdrangel/plugins/samplesource/usrpinput/usrpinputthread.h
2020-10-02 22:45:28 +01:00

74 lines
2.9 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 Edouard Griffiths, F4EXB //
// Copyright (C) 2020 Jon Beniston, M7RCE //
// //
// 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 //
// (at your option) any later version. //
// //
// 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_USRPINPUT_USRPINPUTTHREAD_H_
#define PLUGINS_SAMPLESOURCE_USRPINPUT_USRPINPUTTHREAD_H_
#include <QThread>
#include <QMutex>
#include <QWaitCondition>
#include <uhd/usrp/multi_usrp.hpp>
#include <uhd/types/metadata.hpp>
#include "dsp/samplesinkfifo.h"
#include "dsp/decimators.h"
#include "usrp/deviceusrpshared.h"
#include "usrp/deviceusrp.h"
class USRPInputThread : public QThread, public DeviceUSRPShared::ThreadInterface
{
Q_OBJECT
public:
USRPInputThread(uhd::rx_streamer::sptr stream, SampleSinkFifo* sampleFifo, QObject* parent = 0);
~USRPInputThread();
virtual void startWork();
virtual void stopWork();
virtual void setDeviceSampleRate(int sampleRate) { (void) sampleRate; }
virtual bool isRunning() { return m_running; }
void setLog2Decimation(unsigned int log2_decim);
void getStreamStatus(bool& active, quint32& overflows, quint32& m_timeouts);
private:
QMutex m_startWaitMutex;
QWaitCondition m_startWaiter;
bool m_running;
quint64 m_packets;
quint32 m_overflows;
quint32 m_timeouts;
uhd::rx_streamer::sptr m_stream;
qint16 m_buf[2*DeviceUSRP::blockSize]; //must hold I+Q values of each sample hence 2xcomplex size
SampleVector m_convertBuffer;
SampleSinkFifo* m_sampleFifo;
unsigned int m_log2Decim; // soft decimation
Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 12, true> m_decimatorsIQ;
void run();
void callbackIQ(const qint16* buf, qint32 len);
};
#endif /* PLUGINS_SAMPLESOURCE_USRPINPUT_USRPINPUTTHREAD_H_ */