BladerRF2 input support (2)

2026-06-01 21:54:55 -04:00 · 2018-09-23 19:56:24 +02:00
parent d808f049f6
commit f7af0a4ac2
23 changed files with 1904 additions and 31 deletions
@@ -0,0 +1,90 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2018 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 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/samplesinkfifo.h"
+#include "dsp/decimators.h"
+
+class Bladerf2InputThread : public QThread, public DeviceBladeRF2Shared::InputThreadInterface {
+    Q_OBJECT
+
+public:
+    Bladerf2InputThread(struct bladerf* dev, unsigned int nbRxChannels, QObject* parent = NULL);
+    virtual ~Bladerf2InputThread();
+
+    virtual void startWork();
+    virtual void stopWork();
+    virtual bool isRunning() const { return m_running; }
+    void setLog2Decimation(unsigned int channel, unsigned int log2_decim);
+    void setFcPos(unsigned int channel, int fcPos);
+    virtual void setFifo(unsigned int channel, SampleSinkFifo *sampleFifo);
+    virtual SampleSinkFifo *getFifo(unsigned int channel);
+
+private:
+    struct Channel
+    {
+        SampleVector m_convertBuffer;
+        SampleSinkFifo* m_sampleFifo;
+        unsigned int m_log2Decim;
+        int m_fcPos;
+        Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 12> m_decimators;
+
+        Channel() :
+            m_sampleFifo(0),
+            m_log2Decim(0),
+            m_fcPos(0)
+        {}
+
+        ~Channel()
+        {
+            if (m_sampleFifo) {
+                delete[] m_sampleFifo;
+            }
+        }
+    };
+
+    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;
+
+    void run();
+    unsigned int getNbFifos();
+    void callbackSI(const qint16* buf, qint32 len, unsigned int channel = 0);
+    void callbackMI(const qint16* buf, qint32 samplesPerChannel);
+};
+
+
+
+#endif /* PLUGINS_SAMPLESOURCE_BLADERF2INPUT_BLADERF2INPUTTHREAD_H_ */