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Adapt tests to .mat dump files

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This commit is contained in:
Antonio Ramos 2018-01-25 17:28:34 +01:00
parent 3270debac7
commit f6aa86f60c
7 changed files with 81 additions and 63 deletions
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3
src/algorithms/acquisition/gnuradio_blocks/pcps_acquisition_cc.cc
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@ -444,6 +444,9 @@ void pcps_acquisition_cc::acquisition_core( unsigned long int samp_count )
std::string filename = d_dump_filename;
filename.append("_");
filename.append(1, d_gnss_synchro->System);
filename.append("_");
filename.append(1, d_gnss_synchro->Signal[0]);
filename.append(1, d_gnss_synchro->Signal[1]);
filename.append("_sat_");
filename.append(std::to_string(d_gnss_synchro->PRN));
filename.append(".mat");

2
src/tests/unit-tests/signal-processing-blocks/acquisition/galileo_e1_pcps_ambiguous_acquisition_test.cc
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@ -158,7 +158,7 @@ void GalileoE1PcpsAmbiguousAcquisitionTest::init()
{
config->set_property("Acquisition_1B.dump", "false");
}
config->set_property("Acquisition_1B.dump_filename", "./tmp-acq-gal1/acquisition.dat");
config->set_property("Acquisition_1B.dump_filename", "./tmp-acq-gal1/acquisition");
config->set_property("Acquisition_1B.threshold", "0.0001");
config->set_property("Acquisition_1B.doppler_max", std::to_string(doppler_max));
config->set_property("Acquisition_1B.doppler_step", std::to_string(doppler_step));

2
src/tests/unit-tests/signal-processing-blocks/acquisition/gps_l1_ca_pcps_acquisition_test.cc
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@ -157,7 +157,7 @@ void GpsL1CaPcpsAcquisitionTest::init()
{
config->set_property("Acquisition_1C.dump", "false");
}
config->set_property("Acquisition_1C.dump_filename", "./tmp-acq-gps1/acquisition.dat");
config->set_property("Acquisition_1C.dump_filename", "./tmp-acq-gps1/acquisition");
config->set_property("Acquisition_1C.threshold", "0.00001");
config->set_property("Acquisition_1C.doppler_max", std::to_string(doppler_max));
config->set_property("Acquisition_1C.doppler_step", std::to_string(doppler_step));

7
src/tests/unit-tests/signal-processing-blocks/acquisition/gps_l2_m_pcps_acquisition_test.cc
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@ -164,7 +164,7 @@ void GpsL2MPcpsAcquisitionTest::init()
{
config->set_property("Acquisition_2S.dump", "false");
}
config->set_property("Acquisition_2S.dump_filename", "./tmp-acq-gps2/acquisition.dat");
config->set_property("Acquisition_2S.dump_filename", "./tmp-acq-gps2/acquisition");
config->set_property("Acquisition_2S.threshold", "0.001");
config->set_property("Acquisition_2S.doppler_max", std::to_string(doppler_max));
config->set_property("Acquisition_2S.doppler_step", std::to_string(doppler_step));
@ -178,9 +178,8 @@ void GpsL2MPcpsAcquisitionTest::plot_grid()
std::string basename = "./tmp-acq-gps2/acquisition_G_2S";
unsigned int sat = static_cast<unsigned int>(gnss_synchro.PRN);
unsigned int samples_per_code = static_cast<unsigned int>(floor(sampling_frequency_hz / (GPS_L2_M_CODE_RATE_HZ / GPS_L2_M_CODE_LENGTH_CHIPS)) - 1000); // !!
unsigned int samples_per_code = static_cast<unsigned int>(floor(static_cast<double>(sampling_frequency_hz) / (GPS_L2_M_CODE_RATE_HZ / static_cast<double>(GPS_L2_M_CODE_LENGTH_CHIPS))));
acquisition_dump_reader acq_dump(basename, sat, doppler_max, doppler_step, samples_per_code);
if(!acq_dump.read_binary_acq()) std::cout << "Error reading files" << std::endl;
std::vector<int> *doppler = &acq_dump.doppler;
@ -204,7 +203,7 @@ void GpsL2MPcpsAcquisitionTest::plot_grid()
std::string gnuplot_path = dir.native();
Gnuplot::set_GNUPlotPath(gnuplot_path);
Gnuplot g1("lines");
Gnuplot g1("impulses");
g1.set_title("GPS L2CM signal acquisition for satellite PRN #" + std::to_string(gnss_synchro.PRN));
g1.set_xlabel("Doppler [Hz]");
g1.set_ylabel("Sample");

105
src/tests/unit-tests/signal-processing-blocks/libs/acquisition_dump_reader.cc
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@ -1,11 +1,13 @@
/*!
* \file acquisition_dump_reader.cc
* \brief Helper file for unit testing
* \author Carles Fernandez-Prades, 2017. cfernandez(at)cttc.es
* \authors Carles Fernandez-Prades, 2017. cfernandez(at)cttc.es
* Antonio Ramos, 2018. antonio.ramos(at)cttc.es
*
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2017 (see AUTHORS file for a list of contributors)
* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
@ -28,44 +30,65 @@
* -------------------------------------------------------------------------
*/
#include <complex>
#include <iostream>
#include <cmath>
#include <matio.h>
#include "acquisition_dump_reader.h"
bool acquisition_dump_reader::read_binary_acq()
{
std::complex<float>* aux = new std::complex<float>[1];
for(unsigned int i = 0; i < d_num_doppler_bins; i++)
mat_t* matfile = Mat_Open(d_dump_filename.c_str(), MAT_ACC_RDONLY);
if( matfile == NULL)
{
std::cout << "¡¡¡Unreachable Acquisition dump file!!!" << std::endl;
return false;
}
matvar_t* var_= Mat_VarRead(matfile, "grid");
if( var_ == NULL)
{
std::cout << "¡¡¡Unreachable grid variable into Acquisition dump file!!!" << std::endl;
Mat_Close(matfile);
return false;
}
if(var_->rank != 2)
{
std::cout << "Invalid Acquisition dump file: rank error" << std::endl;
Mat_VarFree(var_);
Mat_Close(matfile);
return false;
}
if((var_->dims[0] != d_samples_per_code) or (var_->dims[1] != d_num_doppler_bins))
{
std::cout << "Invalid Acquisition dump file: dimension matrix error" << std::endl;
if(var_->dims[0] != d_samples_per_code) std::cout << "Expected " << d_samples_per_code << " samples per code. Obtained " << var_->dims[0] << std::endl;
if(var_->dims[1] != d_num_doppler_bins) std::cout << "Expected " << d_num_doppler_bins << " Doppler bins. Obtained " << var_->dims[1] << std::endl;
Mat_VarFree(var_);
Mat_Close(matfile);
return false;
}
if(var_->data_type != MAT_T_SINGLE)
{
std::cout << "Invalid Acquisition dump file: data type error" << std::endl;
Mat_VarFree(var_);
Mat_Close(matfile);
return false;
}
std::vector<std::vector<float> >::iterator it1;
std::vector<float>::iterator it2;
float* aux = static_cast<float*>(var_->data);
int k = 0;
float normalization_factor = std::pow(d_samples_per_code, 2);
for(it1 = mag.begin(); it1 != mag.end(); it1++)
{
for(it2 = it1->begin(); it2 != it1->end(); it2++)
{
try
{
std::ifstream ifs;
ifs.exceptions( std::ifstream::failbit | std::ifstream::badbit );
ifs.open(d_dump_filenames.at(i).c_str(), std::ios::in | std::ios::binary);
d_dump_files.at(i).swap(ifs);
if (d_dump_files.at(i).is_open())
{
for(unsigned int k = 0; k < d_samples_per_code; k++)
{
d_dump_files.at(i).read(reinterpret_cast<char *>(&aux[0]), sizeof(std::complex<float>));
mag.at(i).at(k) = std::abs(*aux) / std::pow(d_samples_per_code, 2);
}
}
else
{
std::cout << "File " << d_dump_filenames.at(i).c_str() << " not found." << std::endl;
delete[] aux;
return false;
}
d_dump_files.at(i).close();
}
catch (const std::ifstream::failure &e)
{
std::cout << e.what() << std::endl;
delete[] aux;
return false;
}
*it2 = static_cast<float>(std::sqrt(aux[k])) / normalization_factor;
k++;
}
delete[] aux;
}
Mat_VarFree(var_);
Mat_Close(matfile);
return true;
}
@ -80,12 +103,10 @@ acquisition_dump_reader::acquisition_dump_reader(const std::string & basename, u
d_num_doppler_bins = static_cast<unsigned int>(ceil( static_cast<double>(static_cast<int>(d_doppler_max) - static_cast<int>(-d_doppler_max)) / static_cast<double>(d_doppler_step)));
std::vector<std::vector<float> > mag_aux(d_num_doppler_bins, std::vector<float>(d_samples_per_code));
mag = mag_aux;
d_dump_filename = d_basename + "_sat_" + std::to_string(d_sat) + ".mat";
for (unsigned int doppler_index = 0; doppler_index < d_num_doppler_bins; doppler_index++)
{
doppler.push_back(-static_cast<int>(d_doppler_max) + d_doppler_step * doppler_index);
d_dump_filenames.push_back(d_basename + "_sat_" + std::to_string(d_sat) + "_doppler_" + std::to_string(doppler.at(doppler_index)) + ".dat");
std::ifstream ifs;
d_dump_files.push_back(std::move(ifs));
}
for (unsigned int k = 0; k < d_samples_per_code; k++)
{
@ -95,12 +116,4 @@ acquisition_dump_reader::acquisition_dump_reader(const std::string & basename, u
acquisition_dump_reader::~acquisition_dump_reader()
{
for(unsigned int i = 0; i < d_num_doppler_bins; i++)
{
if (d_dump_files.at(i).is_open() == true)
{
d_dump_files.at(i).close();
}
}
}
{}

10
src/tests/unit-tests/signal-processing-blocks/libs/acquisition_dump_reader.h
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@ -1,11 +1,12 @@
/*!
* \file acquisition_dump_reader.h
* \brief Helper file for unit testing
* \author Carles Fernandez-Prades, 2017. cfernandez(at)cttc.es
* \authors Carles Fernandez-Prades, 2017. cfernandez(at)cttc.es
* Antonio Ramos, 2018. antonio.ramos(at)cttc.es
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2017 (see AUTHORS file for a list of contributors)
* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
@ -31,8 +32,6 @@
#ifndef GNSS_SDR_ACQUISITION_DUMP_READER_H
#define GNSS_SDR_ACQUISITION_DUMP_READER_H
#include <iostream>
#include <fstream>
#include <string>
#include <vector>
@ -54,8 +53,7 @@ private:
unsigned int d_doppler_step;
unsigned int d_samples_per_code;
unsigned int d_num_doppler_bins;
std::vector<std::string> d_dump_filenames;
std::vector<std::ifstream> d_dump_files;
std::string d_dump_filename;
};
#endif // GNSS_SDR_ACQUISITION_DUMP_READER_H

15
src/utils/matlab/plot_acq_grid.m
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@ -32,10 +32,10 @@
%%%%%%%%% ¡¡¡ CONFIGURE !!! %%%%%%%%%%%%%
path = '/home/aramos/signals/GNSS-IN-THE-SPACE/CAPTURES SPIRENT/acq/';
path = '/home/aramos/gnss-sdr/install/';
file = 'acq';
sat = 9;
sat = 7;
% Signal:
% 1 GPS L1
@ -47,10 +47,10 @@ sat = 9;
signal_type = 1;
%%% True for light grid representation
lite_view = false;
lite_view = true;
%%% If lite_view, it sets the number of samples per chip in the graphical representation
n_samples_per_chip = 4;
n_samples_per_chip = 3;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@ -58,20 +58,25 @@ switch(signal_type)
case 1
n_chips = 1023;
system = 'G';
signal = '1C';
case 2
n_chips = 10230;
system = 'G';
signal = '2S';
case 3
n_chips = 10230;
system = 'G';
signal = 'L5';
case 4
n_chips = 4092;
system = 'E';
signal = '1B';
case 5
n_chips = 10230;
system = 'E';
signal = '5X';
end
filename = [path file '_' system '_sat_' num2str(sat) '.mat'];
filename = [path file '_' system '_' signal '_sat_' num2str(sat) '.mat'];
load(filename);
[n_fft n_dop_bins] = size(grid);
[d_max f_max] = find(grid == max(max(grid)));