Added Telemetry Decoder Block

src/algorithms/telemetry_decoder/adapters/CMakeLists.txt

@@ -15,6 +15,7 @@ set(TELEMETRY_DECODER_ADAPTER_SOURCES
     galileo_e1b_telemetry_decoder.cc
     sbas_l1_telemetry_decoder.cc
     galileo_e5a_telemetry_decoder.cc
+    galileo_e5b_telemetry_decoder.cc
     glonass_l1_ca_telemetry_decoder.cc
     glonass_l2_ca_telemetry_decoder.cc
     beidou_b1i_telemetry_decoder.cc
@@ -28,6 +29,7 @@ set(TELEMETRY_DECODER_ADAPTER_HEADERS
     galileo_e1b_telemetry_decoder.h
     sbas_l1_telemetry_decoder.h
     galileo_e5a_telemetry_decoder.h
+    galileo_e5b_telemetry_decoder.h
     glonass_l1_ca_telemetry_decoder.h
     glonass_l2_ca_telemetry_decoder.h
     beidou_b1i_telemetry_decoder.h

src/algorithms/telemetry_decoder/adapters/galileo_e5b_telemetry_decoder.cc

@@ -0,0 +1,93 @@
+/*!
+ * \file galileo_e5b_telemetry_decoder.cc
+ * \brief Interface of an adapter of a GALILEO E5B NAV data decoder block
+ * to a TelemetryDecoderInterface
+ * \author Piyush Gupta 2020 piyush04111999@gmail.com.
+ * \note Code added as part of GSoC 2020 Program.
+ *
+ * -------------------------------------------------------------------------
+ *
+ * Copyright (C) 2010-2020  (see AUTHORS file for a list of contributors)
+ *
+ * GNSS-SDR is a software defined Global Navigation
+ *          Satellite Systems receiver
+ *
+ * This file is part of GNSS-SDR.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ * -------------------------------------------------------------------------
+ */
+
+
+#include "galileo_e5b_telemetry_decoder.h"
+#include "configuration_interface.h"
+#include <glog/logging.h>
+
+
+GalileoE5bTelemetryDecoder::GalileoE5bTelemetryDecoder(
+    const ConfigurationInterface* configuration,
+    const std::string& role,
+    unsigned int in_streams,
+    unsigned int out_streams) : role_(role),
+                                in_streams_(in_streams),
+                                out_streams_(out_streams)
+{
+    const std::string default_dump_filename("./navigation.dat");
+    DLOG(INFO) << "role " << role;
+    dump_ = configuration->property(role + ".dump", false);
+    dump_filename_ = configuration->property(role + ".dump_filename", default_dump_filename);
+    // make telemetry decoder object
+    telemetry_decoder_ = galileo_make_telemetry_decoder_gs(satellite_, 1, dump_);  // unified galileo decoder set to INAV (frame_type=1)
+    DLOG(INFO) << "telemetry_decoder(" << telemetry_decoder_->unique_id() << ")";
+    channel_ = 0;
+    if (in_streams_ > 1)
+        {
+            LOG(ERROR) << "This implementation only supports one input stream";
+        }
+    if (out_streams_ > 1)
+        {
+            LOG(ERROR) << "This implementation only supports one output stream";
+        }
+}
+
+
+void GalileoE5bTelemetryDecoder::set_satellite(const Gnss_Satellite& satellite)
+{
+    satellite_ = Gnss_Satellite(satellite.get_system(), satellite.get_PRN());
+    telemetry_decoder_->set_satellite(satellite_);
+    DLOG(INFO) << "GALILEO TELEMETRY DECODER: satellite set to " << satellite_;
+}
+
+
+void GalileoE5bTelemetryDecoder::connect(gr::top_block_sptr top_block)
+{
+    if (top_block)
+        {
+            /* top_block is not null */
+        };
+    // Nothing to connect internally
+    DLOG(INFO) << "nothing to connect internally";
+}
+
+
+void GalileoE5bTelemetryDecoder::disconnect(gr::top_block_sptr top_block)
+{
+    if (top_block)
+        {
+            /* top_block is not null */
+        };
+    // Nothing to disconnect
+}
+
+
+gr::basic_block_sptr GalileoE5bTelemetryDecoder::get_left_block()
+{
+    return telemetry_decoder_;
+}
+
+
+gr::basic_block_sptr GalileoE5bTelemetryDecoder::get_right_block()
+{
+    return telemetry_decoder_;
+}

src/algorithms/telemetry_decoder/adapters/galileo_e5b_telemetry_decoder.h

@@ -0,0 +1,109 @@
+/*!
+ * \file galileo_e5b_telemetry_decoder.h
+ * \brief Interface of an adapter of a GALILEO E5B NAV data decoder block
+ * to a TelemetryDecoderInterface
+ * \author Piyush Gupta 2020 piyush04111999@gmail.com.
+ * \note Code added as part of GSoC 2020 Program.
+ *
+ * -------------------------------------------------------------------------
+ *
+ * Copyright (C) 2010-2020  (see AUTHORS file for a list of contributors)
+ *
+ * GNSS-SDR is a software defined Global Navigation
+ *          Satellite Systems receiver
+ *
+ * This file is part of GNSS-SDR.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ * -------------------------------------------------------------------------
+ */
+
+
+#ifndef GNSS_SDR_GALILEO_E5B_TELEMETRY_DECODER_H
+#define GNSS_SDR_GALILEO_E5B_TELEMETRY_DECODER_H
+
+#include "galileo_telemetry_decoder_gs.h"
+#include "gnss_satellite.h"
+#include "gnss_synchro.h"
+#include "telemetry_decoder_interface.h"
+#include <gnuradio/runtime_types.h>  // for basic_block_sptr, top_block_sptr
+#include <cstddef>                   // for size_t
+#include <string>
+
+
+class ConfigurationInterface;
+
+/*!
+ * \brief This class implements a NAV data decoder for Galileo INAV frames in E5b radio link
+ */
+class GalileoE5bTelemetryDecoder : public TelemetryDecoderInterface
+{
+public:
+    GalileoE5bTelemetryDecoder(
+        const ConfigurationInterface* configuration,
+        const std::string& role,
+        unsigned int in_streams,
+        unsigned int out_streams);
+
+    ~GalileoE5bTelemetryDecoder() = default;
+
+    /*!
+     * \brief Returns "Galileo_E5b_Telemetry_Decoder"
+     */
+    inline std::string implementation() override
+    {
+        return "Galileo_E5b_Telemetry_Decoder";
+    }
+
+    /*!
+     * \brief Connect
+     */
+    void connect(gr::top_block_sptr top_block) override;
+
+    /*!
+     * \brief Disconnect
+     */
+    void disconnect(gr::top_block_sptr top_block) override;
+
+    /*!
+     * \brief Get left block
+     */
+    gr::basic_block_sptr get_left_block() override;
+
+    /*!
+     * \brief Get right block
+     */
+    gr::basic_block_sptr get_right_block() override;
+
+    void set_satellite(const Gnss_Satellite& satellite) override;
+
+    inline std::string role() override
+    {
+        return role_;
+    }
+
+    inline void set_channel(int channel) override { telemetry_decoder_->set_channel(channel); }
+
+    inline void reset() override
+    {
+        telemetry_decoder_->reset();
+    }
+
+    inline size_t item_size() override
+    {
+        return sizeof(Gnss_Synchro);
+    }
+
+private:
+    galileo_telemetry_decoder_gs_sptr telemetry_decoder_;
+    Gnss_Satellite satellite_;
+    std::string dump_filename_;
+    std::string role_;
+    int channel_;
+    unsigned int in_streams_;
+    unsigned int out_streams_;
+    bool dump_;
+};
+
+#endif  // GNSS_SDR_GALELIO_E5B_TELEMETRY_DECODER_H