GNSS-SDR  0.0.21
An Open Source GNSS Software Defined Receiver
labsat23_source.h
Go to the documentation of this file.
1 /*!
2  * \file labsat23_source.h
3  *
4  * \brief Unpacks capture files in the LabSat 2 (ls2), LabSat 3 (ls3), LabSat 3
5  * Wideband (LS3W), and Labsat 4 (ls4) formats.
6  * \author Javier Arribas jarribas (at) cttc.es
7  * Mathieu Favreau favreau.mathieu (at) hotmail.com
8  *
9  * -----------------------------------------------------------------------------
10  *
11  * GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
12  * This file is part of GNSS-SDR.
13  *
14  * Copyright (C) 2010-2025 (see AUTHORS file for a list of contributors)
15  * SPDX-License-Identifier: GPL-3.0-or-later
16  *
17  * -----------------------------------------------------------------------------
18  */
19 
20 #ifndef GNSS_SDR_LABSAT23_SOURCE_H
21 #define GNSS_SDR_LABSAT23_SOURCE_H
22 
23 #include "concurrent_queue.h"
24 #include "gnss_block_interface.h"
25 #include <gnuradio/block.h>
26 #include <pmt/pmt.h>
27 #include <cstddef>
28 #include <cstdint>
29 #include <fstream>
30 #include <map>
31 #include <string>
32 #include <utility>
33 #include <vector>
34 
35 /** \addtogroup Signal_Source
36  * \{ */
37 /** \addtogroup Signal_Source_gnuradio_blocks
38  * \{ */
39 
40 
41 class labsat23_source;
42 
43 using labsat23_source_sptr = gnss_shared_ptr<labsat23_source>;
44 
45 labsat23_source_sptr labsat23_make_source_sptr(
46  const char *signal_file_basename,
47  const std::vector<int> &channel_selector,
48  Concurrent_Queue<pmt::pmt_t> *queue,
49  bool digital_io_enabled,
50  double seconds_to_skip);
51 
52 /*!
53  * \brief This class implements conversion between Labsat 2, 3 and 3 Wideband
54  * formats to gr_complex
55  */
56 class labsat23_source : public gr::block
57 {
58 public:
59  ~labsat23_source();
60 
61  int general_work(int noutput_items,
62  gr_vector_int &ninput_items,
63  gr_vector_const_void_star &input_items,
64  gr_vector_void_star &output_items);
65 
66 private:
67  friend labsat23_source_sptr labsat23_make_source_sptr(
68  const char *signal_file_basename,
69  const std::vector<int> &channel_selector,
70  Concurrent_Queue<pmt::pmt_t> *queue,
71  bool digital_io_enabled,
72  double seconds_to_skip);
73 
74  labsat23_source(const char *signal_file_basename,
75  const std::vector<int> &channel_selector,
76  Concurrent_Queue<pmt::pmt_t> *queue,
77  bool digital_io_enabled,
78  double seconds_to_skip);
79 
80  std::string generate_filename();
81 
82  int parse_header();
83  int read_ls3w_ini(const std::string &filename);
84  int number_of_samples_per_ls3w_register() const;
85 
86  void decode_samples_one_channel(int16_t input_short, gr_complex *out, int type);
87  void decode_ls3w_register(uint64_t input, std::vector<gr_complex *> &out, std::size_t output_pointer) const;
88  int parse_ls23_data(int noutput_items, std::vector<gr_complex *> out);
89  int parse_ls3w_data(int noutput_items, std::vector<gr_complex *> out);
90  int parse_ls4_data(int noutput_items, std::vector<gr_complex *> out);
91  bool read_ls4_data();
92 
93  std::ifstream binary_input_file;
94  std::string d_signal_file_basename;
95  Concurrent_Queue<pmt::pmt_t> *d_queue;
96  std::vector<int> d_channel_selector_config;
97  int d_current_file_number;
98  uint8_t d_labsat_version;
99  uint8_t d_channel_selector;
100  uint8_t d_ref_clock;
101  uint8_t d_bits_per_sample;
102  bool d_header_parsed;
103 
104  // Data members for Labsat 3 Wideband
105  std::string d_ls3w_OSC;
106  std::vector<int> d_ls3w_selected_channel_offset;
107  int64_t d_ls3w_SMP{};
108  int32_t d_ls3w_QUA{};
109  int32_t d_ls3w_CHN{};
110  int32_t d_ls3w_SFT{};
111  int d_ls3w_spare_bits{};
112  int d_ls3w_samples_per_register{};
113  bool d_is_ls3w = false;
114  bool d_is_ls4 = false;
115  bool d_ls3w_digital_io_enabled = false;
116 
117  // Data members for Labsat 4
118  int32_t d_ls4_BW_MAX{0};
119  int32_t d_number_sample_per_output{0};
120  int32_t d_number_register_per_output{0};
121  uint64_t d_read_index{0};
122 
123  struct ChannelState
124  {
125  std::string identifier;
126  int32_t center_freq{0};
127  int32_t bandwidth{0};
128  int32_t bw_div{0};
129  int32_t buff_size{0};
130  int32_t number_sample_per_output{0};
131  uint64_t data_index{0};
132  std::vector<uint64_t> data{};
133 
134  ChannelState(const std::string &id) : identifier(id) {}
135  };
136 
137  std::map<int32_t, ChannelState> d_channel_map{
138  std::make_pair(1, ChannelState{"A"}), std::make_pair(2, ChannelState{"B"}), std::make_pair(3, ChannelState{"C"})};
139 };
140 
141 
142 /** \} */
143 /** \} */
144 #endif // GNSS_SDR_LABSAT23_SOURCE_H
concurrent_queue.h
Interface of a thread-safe std::queue.
gnss_block_interface.h
This interface represents a GNSS block.
labsat23_source
This class implements conversion between Labsat 2, 3 and 3 Wideband formats to gr_complex.
Definition: labsat23_source.h:56
Concurrent_Queue< pmt::pmt_t >
Generated by   doxygen 1.8.14