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75 lines
3.0 KiB
C
75 lines
3.0 KiB
C
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2017 Edouard Griffiths, F4EXB //
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// Copyright (C) 2020 Jon Beniston, M7RCE //
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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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// (at your option) any later version. //
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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_USRPOUTPUT_USRPOUTPUTTHREAD_H_
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#define PLUGINS_SAMPLESOURCE_USRPOUTPUT_USRPOUTPUTTHREAD_H_
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#include <QThread>
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#include <QMutex>
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#include <QWaitCondition>
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#include <uhd/usrp/multi_usrp.hpp>
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#include <uhd/types/metadata.hpp>
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#include "dsp/interpolators.h"
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#include "usrp/deviceusrpshared.h"
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#include "usrp/deviceusrp.h"
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class SampleSourceFifo;
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class USRPOutputThread : public QThread, public DeviceUSRPShared::ThreadInterface
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{
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Q_OBJECT
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public:
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USRPOutputThread(uhd::tx_streamer::sptr stream, SampleSourceFifo* sampleFifo, QObject* parent = 0);
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~USRPOutputThread();
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virtual void startWork();
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virtual void stopWork();
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virtual void setDeviceSampleRate(int sampleRate) { (void) sampleRate; }
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virtual bool isRunning() { return m_running; }
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void setLog2Interpolation(unsigned int log2_ioterp);
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void getStreamStatus(bool& active, quint32& underflows, quint32& droppedPackets);
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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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quint64 m_packets;
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quint32 m_underflows;
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quint32 m_droppedPackets;
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uhd::tx_streamer::sptr m_stream;
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qint16 m_buf[2*DeviceUSRP::blockSize]; //must hold I+Q values of each sample hence 2xcomplex size
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SampleSourceFifo* m_sampleFifo;
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unsigned int m_log2Interp; // soft decimation
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Interpolators<qint16, SDR_TX_SAMP_SZ, 12> m_interpolators;
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void run();
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void callback(qint16* buf, qint32 len);
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void callbackPart(qint16* buf, SampleVector& data, unsigned int iBegin, unsigned int iEnd);
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};
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#endif /* PLUGINS_SAMPLESOURCE_USRPOUTPUT_USRPOUTPUTTHREAD_H_ */
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