mirror of
https://github.com/gnss-sdr/gnss-sdr
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94 lines
3.1 KiB
C++
94 lines
3.1 KiB
C++
//
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// Created by javier on 1/2/2017.
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//
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#include "tracking_dump_reader.h"
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bool tracking_dump_reader::read_binary_obs()
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{
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try {
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d_dump_file.read((char *) &abs_E, sizeof(float));
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d_dump_file.read((char *) &abs_P, sizeof(float));
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d_dump_file.read((char *) &abs_L, sizeof(float));
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d_dump_file.read((char *) &prompt_I, sizeof(float));
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d_dump_file.read((char *) &prompt_Q, sizeof(float));
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d_dump_file.read((char *) &PRN_start_sample_count, sizeof(unsigned long int));
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d_dump_file.read((char *) &acc_carrier_phase_rad, sizeof(double));
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d_dump_file.read((char *) &carrier_doppler_hz, sizeof(double));
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d_dump_file.read((char *) &code_freq_chips, sizeof(double));
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d_dump_file.read((char *) &carr_error_hz, sizeof(double));
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d_dump_file.read((char *) &carr_error_filt_hz, sizeof(double));
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d_dump_file.read((char *) &code_error_chips, sizeof(double));
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d_dump_file.read((char *) &code_error_filt_chips, sizeof(double));
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d_dump_file.read((char *) &CN0_SNV_dB_Hz, sizeof(double));
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d_dump_file.read((char *) &carrier_lock_test, sizeof(double));
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d_dump_file.read((char *) &aux1, sizeof(double));
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d_dump_file.read((char *) &aux2, sizeof(double));
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}
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catch (const std::ifstream::failure &e) {
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return false;
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}
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return true;
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}
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bool tracking_dump_reader::restart() {
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if (d_dump_file.is_open())
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{
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d_dump_file.clear();
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d_dump_file.seekg(0, std::ios::beg);
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return true;
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}else{
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return false;
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}
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}
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long int tracking_dump_reader::num_epochs()
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{
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std::ifstream::pos_type size;
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int number_of_double_vars=11;
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int number_of_float_vars=5;
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int epoch_size_bytes=sizeof(unsigned long int)+
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sizeof(double)*number_of_double_vars+
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sizeof(float)*number_of_float_vars;
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std::ifstream tmpfile( d_dump_filename.c_str(), std::ios::binary | std::ios::ate);
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if (tmpfile.is_open())
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{
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size = tmpfile.tellg();
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long int nepoch=size / epoch_size_bytes;
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return nepoch;
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}else{
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return 0;
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}
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}
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bool tracking_dump_reader::open_obs_file(std::string out_file) {
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if (d_dump_file.is_open() == false)
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{
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try
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{
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d_dump_filename=out_file;
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d_dump_file.exceptions ( std::ifstream::failbit | std::ifstream::badbit );
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d_dump_file.open(d_dump_filename.c_str(), std::ios::in | std::ios::binary);
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std::cout << "Tracking dump enabled, Log file: " << d_dump_filename.c_str()<< std::endl;
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return true;
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}
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catch (const std::ifstream::failure & e)
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{
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std::cout << "Problem opening Tracking dump Log file: " << d_dump_filename.c_str()<< std::endl;
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return false;
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}
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}else{
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return false;
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}
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}
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tracking_dump_reader::~tracking_dump_reader() {
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if (d_dump_file.is_open() == true)
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{
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d_dump_file.close();
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}
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}
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