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Merge branch 'next' of https://github.com/carlesfernandez/gnss-sdr into acq_performance

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This commit is contained in:
Carles Fernandez 2018-06-21 09:54:40 +02:00
commit 2bd5d47398
6 changed files with 110 additions and 73 deletions
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93
src/algorithms/acquisition/gnuradio_blocks/pcps_acquisition.cc
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@ -121,6 +121,7 @@ pcps_acquisition::pcps_acquisition(const Acq_Conf& conf_) : gr::block("pcps_acqu
}
grid_ = arma::fmat();
d_step_two = false;
d_dump_number = 0;
}
@ -335,6 +336,51 @@ void pcps_acquisition::send_negative_acquisition()
}
void pcps_acquisition::dump_results(int effective_fft_size)
{
d_dump_number++;
std::string filename = acq_parameters.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("_ch_");
filename.append(std::to_string(d_channel));
filename.append("_");
filename.append(std::to_string(d_dump_number));
filename.append("_sat_");
filename.append(std::to_string(d_gnss_synchro->PRN));
filename.append(".mat");
mat_t* matfp = Mat_CreateVer(filename.c_str(), NULL, MAT_FT_MAT73);
if (matfp == NULL)
{
std::cout << "Unable to create or open Acquisition dump file" << std::endl;
acq_parameters.dump = false;
}
else
{
size_t dims[2] = {static_cast<size_t>(effective_fft_size), static_cast<size_t>(d_num_doppler_bins)};
matvar_t* matvar = Mat_VarCreate("grid", MAT_C_SINGLE, MAT_T_SINGLE, 2, dims, grid_.memptr(), 0);
Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB); // or MAT_COMPRESSION_NONE
Mat_VarFree(matvar);
dims[0] = static_cast<size_t>(1);
dims[1] = static_cast<size_t>(1);
matvar = Mat_VarCreate("doppler_max", MAT_C_UINT32, MAT_T_UINT32, 1, dims, &acq_parameters.doppler_max, 0);
Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB); // or MAT_COMPRESSION_NONE
Mat_VarFree(matvar);
matvar = Mat_VarCreate("doppler_step", MAT_C_UINT32, MAT_T_UINT32, 1, dims, &d_doppler_step, 0);
Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB); // or MAT_COMPRESSION_NONE
Mat_VarFree(matvar);
Mat_Close(matfp);
}
}
void pcps_acquisition::acquisition_core(unsigned long int samp_count)
{
gr::thread::scoped_lock lk(d_setlock);
@ -436,43 +482,6 @@ void pcps_acquisition::acquisition_core(unsigned long int samp_count)
if (acq_parameters.dump)
{
memcpy(grid_.colptr(doppler_index), d_magnitude, sizeof(float) * effective_fft_size);
if (doppler_index == (d_num_doppler_bins - 1))
{
std::string filename = acq_parameters.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");
mat_t* matfp = Mat_CreateVer(filename.c_str(), NULL, MAT_FT_MAT73);
if (matfp == NULL)
{
std::cout << "Unable to create or open Acquisition dump file" << std::endl;
acq_parameters.dump = false;
}
else
{
size_t dims[2] = {static_cast<size_t>(effective_fft_size), static_cast<size_t>(d_num_doppler_bins)};
matvar_t* matvar = Mat_VarCreate("grid", MAT_C_SINGLE, MAT_T_SINGLE, 2, dims, grid_.memptr(), 0);
Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB); // or MAT_COMPRESSION_NONE
Mat_VarFree(matvar);
dims[0] = static_cast<size_t>(1);
dims[1] = static_cast<size_t>(1);
matvar = Mat_VarCreate("doppler_max", MAT_C_SINGLE, MAT_T_UINT32, 1, dims, &acq_parameters.doppler_max, 0);
Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB); // or MAT_COMPRESSION_NONE
Mat_VarFree(matvar);
matvar = Mat_VarCreate("doppler_step", MAT_C_SINGLE, MAT_T_UINT32, 1, dims, &d_doppler_step, 0);
Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB); // or MAT_COMPRESSION_NONE
Mat_VarFree(matvar);
Mat_Close(matfp);
}
}
}
}
}
@ -538,8 +547,18 @@ void pcps_acquisition::acquisition_core(unsigned long int samp_count)
d_test_statistics = d_mag / d_input_power;
}
}
// Record results to file if required
if (acq_parameters.dump)
{
memcpy(grid_.colptr(doppler_index), d_magnitude, sizeof(float) * effective_fft_size);
}
}
}
// Record results to file if required
if (acq_parameters.dump)
{
pcps_acquisition::dump_results(effective_fft_size);
}
lk.lock();
if (!acq_parameters.bit_transition_flag)
{

3
src/algorithms/acquisition/gnuradio_blocks/pcps_acquisition.h
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@ -93,6 +93,8 @@ private:
void send_positive_acquisition();
void dump_results(int effective_fft_size);
Acq_Conf acq_parameters;
bool d_active;
bool d_worker_active;
@ -121,6 +123,7 @@ private:
gr::fft::fft_complex* d_ifft;
Gnss_Synchro* d_gnss_synchro;
arma::fmat grid_;
long int d_dump_number;
public:
~pcps_acquisition();

6
src/tests/common-files/gnuplot_i.h
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@ -69,7 +69,7 @@
#elif defined(unix) || defined(__unix) || defined(__unix__) || defined(__APPLE__)
//all UNIX-like OSs (Linux, *BSD, MacOSX, Solaris, ...)
#include <unistd.h> // for access(), mkstemp()
#define GP_MAX_TMP_FILES 64
#define GP_MAX_TMP_FILES 1024
#else
#error unsupported or unknown operating system
#endif
@ -302,9 +302,9 @@ public:
///
/// \return <-- reference to the gnuplot object
// -----------------------------------------------
inline Gnuplot &set_multiplot()
inline Gnuplot &set_multiplot(int rows, int cols)
{
cmd("set multiplot");
cmd("set multiplot layout " + std::to_string(rows) + "," + std::to_string(cols)); //+ " rowfirst");
return *this;
};

11
src/tests/unit-tests/signal-processing-blocks/libs/acquisition_dump_reader.cc
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@ -73,6 +73,7 @@ bool acquisition_dump_reader::read_binary_acq()
Mat_Close(matfile);
return false;
}
std::vector<std::vector<float> >::iterator it1;
std::vector<float>::iterator it2;
float* aux = static_cast<float*>(var_->data);
@ -93,7 +94,13 @@ bool acquisition_dump_reader::read_binary_acq()
}
acquisition_dump_reader::acquisition_dump_reader(const std::string& basename, unsigned int sat, unsigned int doppler_max, unsigned int doppler_step, unsigned int samples_per_code)
acquisition_dump_reader::acquisition_dump_reader(const std::string& basename,
unsigned int sat,
unsigned int doppler_max,
unsigned int doppler_step,
unsigned int samples_per_code,
int channel,
int execution)
{
d_basename = basename;
d_sat = sat;
@ -103,7 +110,7 @@ acquisition_dump_reader::acquisition_dump_reader(const std::string& basename, un
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";
d_dump_filename = d_basename + "_ch_" + std::to_string(channel) + "_" + std::to_string(execution) + "_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);

8
src/tests/unit-tests/signal-processing-blocks/libs/acquisition_dump_reader.h
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@ -38,7 +38,13 @@
class acquisition_dump_reader
{
public:
acquisition_dump_reader(const std::string& basename, unsigned int sat, unsigned int doppler_max, unsigned int doppler_step, unsigned int samples_per_code);
acquisition_dump_reader(const std::string& basename,
unsigned int sat,
unsigned int doppler_max,
unsigned int doppler_step,
unsigned int samples_per_code,
int channel = 0,
int execution = 1);
~acquisition_dump_reader();
bool read_binary_acq();

4
src/utils/matlab/plot_acq_grid.m
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@ -33,6 +33,8 @@ file = 'acq';
sat = 7;
channel = 0;
execution = 1;
% Signal:
% 1 GPS L1
% 2 GPS L2M
@ -77,7 +79,7 @@ switch(signal_type)
system = 'R';
signal = '1G';
end
filename = [path file '_' system '_' signal '_sat_' num2str(sat) '.mat'];
filename = [path file '_' system '_' signal '_ch_' num2str(channel) '_' num2str(execution) '_sat_' num2str(sat) '.mat'];
load(filename);
[n_fft n_dop_bins] = size(grid);
[d_max f_max] = find(grid == max(max(grid)));