gnss-sdr/src/algorithms/signal_source/gnuradio_blocks/labsat23_source.h

114 lines
3.1 KiB
C++

/*!
* \file labsat23_source.h
*
* \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
*
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2021 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
*/
#ifndef GNSS_SDR_LABSAT23_SOURCE_H
#define GNSS_SDR_LABSAT23_SOURCE_H
#include "concurrent_queue.h"
#include "gnss_block_interface.h"
#include <gnuradio/block.h>
#include <pmt/pmt.h>
#include <cstdint>
#include <fstream>
#include <string>
/** \addtogroup Signal_Source
* \{ */
/** \addtogroup Signal_Source_gnuradio_blocks
* \{ */
class labsat23_source;
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,
bool digital_io_enabled);
/*!
* \brief This class implements conversion between Labsat2 and 3 format byte packet samples to gr_complex
*/
class labsat23_source : public gr::block
{
public:
~labsat23_source();
int general_work(int noutput_items,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
private:
friend labsat23_source_sptr labsat23_make_source_sptr(
const char *signal_file_basename,
int channel_selector,
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,
bool digital_io_enabled);
std::string generate_filename();
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;
Concurrent_Queue<pmt::pmt_t> *d_queue;
int d_channel_selector_config;
int d_current_file_number;
uint8_t d_labsat_version;
uint8_t d_channel_selector;
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;
};
/** \} */
/** \} */
#endif // GNSS_SDR_LABSAT23_SOURCE_H