Add support for BladeRF devices

Many thanks to Steven Rossel for the work he did during his student
project.

1 files changed, 112 insertions, 0 deletions

diff --git a/src/output/BladeRF.h b/src/output/BladeRF.h
new file mode 100755
index 0000000..bc6db38
--- /dev/null
+++ b/src/output/BladeRF.h
@@ -0,0 +1,112 @@
+/*
+   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Her Majesty the
+   Queen in Right of Canada (Communications Research Center Canada)
+
+   Copyright (C) 2019
+   Matthias P. Braendli, matthias.braendli@mpb.li
+
+   Copyright (C) 2021
+   Steven Rossel, steven.rossel@bluewin.ch
+
+    http://opendigitalradio.org
+
+DESCRIPTION:
+   It is an output driver for the BladeRF family of devices, and uses the libbladerf
+   library.
+*/
+
+/*
+   This file is part of ODR-DabMod.
+
+   ODR-DabMod 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, either version 3 of the
+   License, or (at your option) any later version.
+
+   ODR-DabMod 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 for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with ODR-DabMod.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+ #pragma once
+
+ #ifdef HAVE_CONFIG_H
+ #   include <config.h>
+ #endif
+
+
+#ifdef HAVE_BLADERF
+ #define SAMPLES_LEN 10000 // for transmit_frame() purpose, may be any (reasonable) size
+
+ #include <chrono>
+ #include <memory>
+ #include <string>
+ #include <atomic>
+ #include <thread>
+ #include <libbladeRF.h>
+
+ #include "Log.h"
+ #include "output/SDR.h"
+ #include "TimestampDecoder.h"
+ #include "RemoteControl.h"
+ #include "ThreadsafeQueue.h"
+
+ #include <stdio.h>
+ #include <sys/types.h>
+
+namespace Output {
+
+class BladeRF : public Output::SDRDevice
+{
+   public:
+       BladeRF(SDRDeviceConfig& config);
+       BladeRF(const BladeRF& other) = delete;
+       BladeRF& operator=(const BladeRF& other) = delete;
+       ~BladeRF();
+
+       virtual void tune(double lo_offset, double frequency) override;
+       virtual double get_tx_freq(void) const override;
+       virtual void set_txgain(double txgain) override;
+       virtual double get_txgain(void) const override;
+       virtual void set_bandwidth(double bandwidth) override;
+       virtual double get_bandwidth(void) const override;
+       virtual void transmit_frame(const struct FrameData& frame) override;
+       virtual RunStatistics get_run_statistics(void) const override;
+       virtual double get_real_secs(void) const override;
+
+       virtual void set_rxgain(double rxgain) override;
+       virtual double get_rxgain(void) const override;
+       virtual size_t receive_frame(
+               complexf *buf,
+               size_t num_samples,
+               struct frame_timestamp& ts,
+               double timeout_secs) override;
+
+       // Return true if GPS and reference clock inputs are ok
+       virtual bool is_clk_source_ok(void) const override;
+       virtual const char* device_name(void) const override;
+
+       virtual double get_temperature(void) const override;
+
+
+   private:
+       SDRDeviceConfig& m_conf;
+       struct bladerf *m_device;
+       bladerf_channel m_channel = BLADERF_CHANNEL_TX(0); // channel TX0
+       //struct bladerf_stream* m_stream; /* used for asynchronous api */
+
+       size_t underflows = 0;
+       size_t overflows = 0;
+       size_t late_packets = 0;
+       size_t num_frames_modulated = 0;
+       //size_t num_underflows_previous = 0;
+       //size_t num_late_packets_previous = 0;
+};
+
+} // namespace Output
+
+#endif // HAVE_BLADERF
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