Add LabSat 3 Wideband format to Labsat_Signal_Source

docs/changelog.md

@@ -62,6 +62,8 @@ SPDX-FileCopyrightText: 2011-2021 Carles Fernandez-Prades <carles.fernandez@cttc
   configurations.
 - Fix bug that made the Monitor block to always set to 0 the
   `carrier_phase_rads` parameter value.
+- The `Labsat_Signal_Source` implementation of the `SignalSource` block now can
+  read files in the LabSat 3 Wideband format (`.LS3W`).
 
 &nbsp;
 

src/algorithms/signal_source/adapters/labsat_signal_source.cc

@@ -42,10 +42,12 @@ LabsatSignalSource::LabsatSignalSource(const ConfigurationInterface* configurati
     const std::string default_filename("./example_capture.LS3");
     filename_ = configuration->property(role + ".filename", default_filename);
 
+    const bool digital_io_enabled = configuration->property(role + ".digital_io_enabled", false);
+
     if (item_type_ == "gr_complex")
         {
             item_size_ = sizeof(gr_complex);
-            labsat23_source_ = labsat23_make_source_sptr(filename_.c_str(), channel_selector, queue);
+            labsat23_source_ = labsat23_make_source_sptr(filename_.c_str(), channel_selector, queue, digital_io_enabled);
             DLOG(INFO) << "Item size " << item_size_;
             DLOG(INFO) << "labsat23_source_(" << labsat23_source_->unique_id() << ")";
         }

src/algorithms/signal_source/gnuradio_blocks/CMakeLists.txt

@@ -62,6 +62,7 @@ target_link_libraries(signal_source_gr_blocks
         signal_source_libs
         Boost::thread
     PRIVATE
+        algorithms_libs
         core_libs
         Gflags::gflags
         Glog::glog

src/algorithms/signal_source/gnuradio_blocks/labsat23_source.h

@@ -1,7 +1,8 @@
 /*!
  * \file labsat23_source.h
  *
- * \brief Unpacks the Labsat 2 (ls2) and (ls3) capture files
+ * \brief Unpacks capture files in the Labsat 2 (ls2), Labsat 3 (ls3), or Labsat
+ * 3 Wideband (LS3W) formats.
  * \author Javier Arribas jarribas (at) cttc.es
  *
  * -----------------------------------------------------------------------------
@@ -9,7 +10,7 @@
  * GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
  * This file is part of GNSS-SDR.
  *
- * Copyright (C) 2010-2020  (see AUTHORS file for a list of contributors)
+ * Copyright (C) 2010-2021  (see AUTHORS file for a list of contributors)
  * SPDX-License-Identifier: GPL-3.0-or-later
  *
  * -----------------------------------------------------------------------------
@@ -39,7 +40,8 @@ using labsat23_source_sptr = gnss_shared_ptr<labsat23_source>;
 labsat23_source_sptr labsat23_make_source_sptr(
     const char *signal_file_basename,
     int channel_selector,
-    Concurrent_Queue<pmt::pmt_t> *queue);
+    Concurrent_Queue<pmt::pmt_t> *queue,
+    bool digital_io_enabled);
 
 /*!
  * \brief This class implements conversion between Labsat2 and 3 format byte packet samples to gr_complex
@@ -58,15 +60,22 @@ private:
     friend labsat23_source_sptr labsat23_make_source_sptr(
         const char *signal_file_basename,
         int channel_selector,
-        Concurrent_Queue<pmt::pmt_t> *queue);
+        Concurrent_Queue<pmt::pmt_t> *queue,
+        bool digital_io_enabled);
 
     labsat23_source(const char *signal_file_basename,
         int channel_selector,
-        Concurrent_Queue<pmt::pmt_t> *queue);
+        Concurrent_Queue<pmt::pmt_t> *queue,
+        bool digital_io_enabled);
 
     std::string generate_filename();
-    void decode_samples_one_channel(int16_t input_short, gr_complex *out, int type);
+
     int getBit(uint8_t byte, int position);
+    int read_ls3w_ini(const std::string &filename);
+    int number_of_samples_per_ls3w_register() const;
+
+    void decode_samples_one_channel(int16_t input_short, gr_complex *out, int type);
+    void decode_ls3w_register_one_channel(uint64_t input, gr_complex *out) const;
 
     std::ifstream binary_input_file;
     std::string d_signal_file_basename;
@@ -78,6 +87,24 @@ private:
     uint8_t d_ref_clock;
     uint8_t d_bits_per_sample;
     bool d_header_parsed;
+
+    // Data members for Labsat 3 Wideband
+    std::string d_ls3w_OSC;
+    int64_t d_ls3w_SMP{};
+    int32_t d_ls3w_QUA{};
+    int32_t d_ls3w_CHN{};
+    int32_t d_ls3w_SFT{};
+    int32_t d_ls3w_CFA{};
+    int32_t d_ls3w_CFB{};
+    int32_t d_ls3w_CFC{};
+    int32_t d_ls3w_BWA{};
+    int32_t d_ls3w_BWB{};
+    int32_t d_ls3w_BWC{};
+    int d_ls3w_spare_bits{};
+    int d_ls3w_selected_channel_offset{};
+    int d_ls3w_samples_per_register{};
+    bool d_is_ls3w = false;
+    bool d_ls3w_digital_io_enabled = false;
 };