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sdrangel/plugins/samplesource/bladerf2input/bladerf2inputthread.h

96 lines
3.8 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
// //
// 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_BLADERF2INPUT_BLADERF2INPUTTHREAD_H_
#define PLUGINS_SAMPLESOURCE_BLADERF2INPUT_BLADERF2INPUTTHREAD_H_
// BladerRF2 is a SISO/MIMO device with a single stream supporting one or two Rx
// Therefore only one thread can be allocated for the Rx side
// All FIFOs must be registered before calling startWork() else SISO/MIMO switch will not work properly
// with unpredicatable results
#include <QThread>
#include <QMutex>
#include <QWaitCondition>
#include <libbladeRF.h>
#include "bladerf2/devicebladerf2shared.h"
#include "dsp/decimators.h"
class SampleSinkFifo;
class BladeRF2InputThread : public QThread {
Q_OBJECT
public:
BladeRF2InputThread(struct bladerf* dev, unsigned int nbRxChannels, QObject* parent = NULL);
~BladeRF2InputThread();
void startWork();
void stopWork();
bool isRunning() const { return m_running; }
unsigned int getNbChannels() const { return m_nbChannels; }
void setLog2Decimation(unsigned int channel, unsigned int log2_decim);
unsigned int getLog2Decimation(unsigned int channel) const;
void setFcPos(unsigned int channel, int fcPos);
int getFcPos(unsigned int channel) const;
void setFifo(unsigned int channel, SampleSinkFifo *sampleFifo);
SampleSinkFifo *getFifo(unsigned int channel);
void setIQOrder(bool iqOrder) { m_iqOrder = iqOrder; }
private:
struct Channel
{
SampleVector m_convertBuffer;
SampleSinkFifo* m_sampleFifo;
unsigned int m_log2Decim;
int m_fcPos;
Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 12, true> m_decimatorsIQ;
Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 12, false> m_decimatorsQI;
Channel() :
m_sampleFifo(0),
m_log2Decim(0),
m_fcPos(0)
{}
~Channel()
{}
};
QMutex m_startWaitMutex;
QWaitCondition m_startWaiter;
bool m_running;
struct bladerf* m_dev;
Channel *m_channels; //!< Array of channels dynamically allocated for the given number of Rx channels
qint16 *m_buf; //!< Full buffer for SISO or MIMO operation
unsigned int m_nbChannels;
bool m_iqOrder;
void run();
unsigned int getNbFifos();
void callbackSIIQ(const qint16* buf, qint32 len, unsigned int channel = 0);
void callbackSIQI(const qint16* buf, qint32 len, unsigned int channel = 0);
void callbackMI(const qint16* buf, qint32 samplesPerChannel);
};
#endif /* PLUGINS_SAMPLESOURCE_BLADERF2INPUT_BLADERF2INPUTTHREAD_H_ */