XTRX input: imported code from xtrx-sdr fork

2026-06-01 21:54:55 -04:00 · 2018-12-29 01:20:48 +01:00
parent 87832263c0
commit 0e7f8ff125
22 changed files with 4526 additions and 0 deletions
@@ -0,0 +1,70 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2017 Edouard Griffiths, F4EXB                                   //
+// Copyright (C) 2017 Sergey Kostanbaev, Fairwaves Inc.                          //
+//                                                                               //
+// 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_XTRXINPUT_XTRXINPUTTHREAD_H_
+#define PLUGINS_SAMPLESOURCE_XTRXINPUT_XTRXINPUTTHREAD_H_
+
+#include <QThread>
+#include <QMutex>
+#include <QWaitCondition>
+
+#include "xtrx_api.h"
+
+#include "dsp/samplesinkfifo.h"
+#include "dsp/decimators.h"
+#include "xtrx/devicextrxshared.h"
+
+#define XTRX_BLOCKSIZE (1<<13) //complex samples per buffer
+
+class XTRXInputThread : public QThread, public DeviceXTRXShared::ThreadInterface
+{
+    Q_OBJECT
+
+public:
+    XTRXInputThread(DeviceXTRXShared* shared, SampleSinkFifo* sampleFifo, QObject* parent = 0);
+    ~XTRXInputThread();
+
+    virtual void startWork();
+    virtual void stopWork();
+    virtual void setDeviceSampleRate(int sampleRate __attribute__((unused))) {}
+    virtual bool isRunning() { return m_running; }
+    void setLog2Decimation(unsigned int log2_decim);
+    void setFcPos(int fcPos);
+
+private:
+    QMutex m_startWaitMutex;
+    QWaitCondition m_startWaiter;
+    bool m_running;
+
+    qint16 m_buf[2*XTRX_BLOCKSIZE]; //must hold I+Q values of each sample hence 2xcomplex size
+    SampleVector m_convertBuffer;
+    SampleSinkFifo* m_sampleFifo;
+
+    unsigned int m_log2Decim; // soft decimation
+    int m_fcPos;
+
+    Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 12> m_decimators;
+
+    DeviceXTRXShared* m_shared;
+
+    void run();
+    void callback(const qint16* buf, qint32 len);
+};
+
+
+
+#endif /* PLUGINS_SAMPLESOURCE_XTRXINPUT_XTRXINPUTTHREAD_H_ */