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

89 lines
2.7 KiB
C++

/*!
* \file labsat23_source.h
*
* \brief Unpacks the Labsat 2 (ls2) and (ls3) capture files
* \author Javier Arribas jarribas (at) cttc.es
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2018 (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.
*
* GNSS-SDR 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.
*
* GNSS-SDR 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 GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#ifndef GNSS_SDR_LABSAT23_SOURCE_H
#define GNSS_SDR_LABSAT23_SOURCE_H
#include <gnuradio/block.h>
#include <gnuradio/msg_queue.h> // for msg_queue, msg_queue::sptr
#include <cstdint>
#include <fstream>
#include <string>
class labsat23_source;
using labsat23_source_sptr = boost::shared_ptr<labsat23_source>;
labsat23_source_sptr labsat23_make_source_sptr(
const char *signal_file_basename,
int channel_selector,
gr::msg_queue::sptr queue);
/*!
* \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,
gr::msg_queue::sptr queue);
labsat23_source(const char *signal_file_basename,
int channel_selector,
gr::msg_queue::sptr queue);
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);
bool d_header_parsed;
uint8_t d_channel_selector;
int d_channel_selector_config;
int d_current_file_number;
uint8_t d_labsat_version;
std::string d_signal_file_basename;
std::ifstream *binary_input_file;
uint8_t d_ref_clock;
uint8_t d_bits_per_sample;
gr::msg_queue::sptr d_queue;
};
#endif