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mirror of https://github.com/gnss-sdr/gnss-sdr synced 2024-12-15 20:50:33 +00:00

saving temporary changes before merging with usptream next branch

added functions that allow the tests to read the scaling factor used by the FFT and the IFFT during acquisition
This commit is contained in:
Marc Majoral 2018-09-18 11:36:12 +02:00
parent 1b0568e0e9
commit f333c05305
14 changed files with 333 additions and 255 deletions

View File

@ -491,6 +491,12 @@ void GalileoE1PcpsAmbiguousAcquisitionFpga::reset_acquisition(void)
acquisition_fpga_->reset_acquisition();
}
// this function is only used for the unit tests
void GalileoE1PcpsAmbiguousAcquisitionFpga::read_fpga_total_scale_factor(uint32_t *total_scale_factor, uint32_t *fw_scale_factor)
{
acquisition_fpga_->read_fpga_total_scale_factor(total_scale_factor, fw_scale_factor);
}
void GalileoE1PcpsAmbiguousAcquisitionFpga::connect(gr::top_block_sptr top_block)
{
// printf("top acq connect\n");

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@ -151,6 +151,11 @@ public:
*/
void reset_acquisition(void);
/*!
* \brief This function is only used in the unit tests
*/
void read_fpga_total_scale_factor(uint32_t *total_scale_factor, uint32_t *fw_scale_factor);
private:
ConfigurationInterface* configuration_;
//pcps_acquisition_sptr acquisition_;

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@ -375,6 +375,12 @@ void GalileoE5aPcpsAcquisitionFpga::reset_acquisition(void)
acquisition_fpga_->reset_acquisition();
}
// this function is only used for the unit tests
void GalileoE5aPcpsAcquisitionFpga::read_fpga_total_scale_factor(uint32_t *total_scale_factor, uint32_t *fw_scale_factor)
{
acquisition_fpga_->read_fpga_total_scale_factor(total_scale_factor, fw_scale_factor);
}
void GalileoE5aPcpsAcquisitionFpga::connect(gr::top_block_sptr top_block)
{
// if (item_type_.compare("gr_complex") == 0)

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@ -139,6 +139,11 @@ public:
*/
void reset_acquisition(void);
/*!
* \brief This function is only used in the unit tests
*/
void read_fpga_total_scale_factor(uint32_t *total_scale_factor, uint32_t *fw_scale_factor);
private:
//float calculate_threshold(float pfa);

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@ -278,6 +278,13 @@ void GpsL1CaPcpsAcquisitionFpga::reset_acquisition(void)
acquisition_fpga_->reset_acquisition();
}
// this function is only used for the unit tests
void GpsL1CaPcpsAcquisitionFpga::read_fpga_total_scale_factor(uint32_t *total_scale_factor, uint32_t *fw_scale_factor)
{
acquisition_fpga_->read_fpga_total_scale_factor(total_scale_factor, fw_scale_factor);
}
void GpsL1CaPcpsAcquisitionFpga::connect(gr::top_block_sptr top_block)
{
// nothing to connect

View File

@ -149,6 +149,11 @@ public:
*/
void reset_acquisition(void);
/*!
* \brief This function is only used in the unit tests
*/
void read_fpga_total_scale_factor(uint32_t *total_scale_factor, uint32_t *fw_scale_factor);
private:
ConfigurationInterface* configuration_;
pcps_acquisition_fpga_sptr acquisition_fpga_;

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@ -342,6 +342,11 @@ void GpsL5iPcpsAcquisitionFpga::reset_acquisition(void)
acquisition_fpga_->reset_acquisition();
}
// this function is only used for the unit tests
void GpsL5iPcpsAcquisitionFpga::read_fpga_total_scale_factor(uint32_t *total_scale_factor, uint32_t *fw_scale_factor)
{
acquisition_fpga_->read_fpga_total_scale_factor(total_scale_factor, fw_scale_factor);
}
void GpsL5iPcpsAcquisitionFpga::connect(gr::top_block_sptr top_block)
{

View File

@ -149,6 +149,11 @@ public:
*/
void reset_acquisition(void);
/*!
* \brief This function is only used in the unit tests
*/
void read_fpga_total_scale_factor(uint32_t *total_scale_factor, uint32_t *fw_scale_factor);
private:
ConfigurationInterface* configuration_;
//pcps_acquisition_sptr acquisition_;

View File

@ -406,4 +406,7 @@ void pcps_acquisition_fpga::reset_acquisition(void)
acquisition_fpga->reset_acquisition();
}
void pcps_acquisition_fpga::read_fpga_total_scale_factor(uint32_t *total_scale_factor, uint32_t *fw_scale_factor)
{
acquisition_fpga->read_fpga_total_scale_factor(total_scale_factor, fw_scale_factor);
}

View File

@ -246,6 +246,11 @@ public:
* \brief This funciton is only used for the unit tests
*/
void reset_acquisition(void);
/*!
* \brief This funciton is only used for the unit tests
*/
void read_fpga_total_scale_factor(uint32_t *total_scale_factor, uint32_t *fw_scale_factor);
};
#endif /* GNSS_SDR_PCPS_ACQUISITION_FPGA_H_*/

View File

@ -509,3 +509,12 @@ void fpga_acquisition::set_single_doppler_flag(unsigned int single_doppler_flag)
d_single_doppler_flag = single_doppler_flag;
}
// this function is only used for the unit tests
void fpga_acquisition::read_fpga_total_scale_factor(uint32_t *total_scale_factor, uint32_t *fw_scale_factor)
{
uint32_t readval = 0;
readval = d_map_base[7];
*total_scale_factor = readval;
readval = d_map_base[8];
*fw_scale_factor = readval;
}

View File

@ -98,6 +98,11 @@ public:
*/
void reset_acquisition(void);
/*!
* \brief this function is only used in the unit test
*/
void read_fpga_total_scale_factor(uint32_t *total_scale_factor, uint32_t *fw_scale_factor);
private:
int64_t d_fs_in;
// data related to the hardware module and the driver

View File

@ -843,269 +843,269 @@ bool HybridObservablesTestFpga::acquire_signal()
}
}
else
{
unsigned int code_length;
if (implementation.compare("GPS_L1_CA_DLL_PLL_Tracking_Fpga") == 0)
{
code_length = static_cast<unsigned int>(std::round(static_cast<double>(baseband_sampling_freq) / (GPS_L1_CA_CODE_RATE_HZ / GPS_L1_CA_CODE_LENGTH_CHIPS)));
}
else if (implementation.compare("Galileo_E1_DLL_PLL_VEML_Tracking_Fpga") == 0)
{
code_length = static_cast<unsigned int>(std::round(static_cast<double>(baseband_sampling_freq) / (Galileo_E1_CODE_CHIP_RATE_HZ / Galileo_E1_B_CODE_LENGTH_CHIPS)));
}
else if (implementation.compare("Galileo_E5a_DLL_PLL_Tracking_Fpga") == 0)
{
code_length = static_cast<unsigned int>(std::round(static_cast<double>(baseband_sampling_freq) / Galileo_E5a_CODE_CHIP_RATE_HZ * static_cast<double>(Galileo_E5a_CODE_LENGTH_CHIPS)));
}
else if (implementation.compare("GPS_L5_DLL_PLL_Tracking_Fpga") == 0)
{
code_length = static_cast<unsigned int>(std::round(static_cast<double>(baseband_sampling_freq) / (GPS_L5i_CODE_RATE_HZ / static_cast<double>(GPS_L5i_CODE_LENGTH_CHIPS))));
}
float nbits = ceilf(log2f((float)code_length));
unsigned int fft_size = pow(2, nbits);
unsigned int nsamples_total = fft_size;
if (implementation.compare("GPS_L1_CA_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL1Ca_Fpga->set_single_doppler_flag(1);
}
else if (implementation.compare("Galileo_E1_DLL_PLL_VEML_Tracking_Fpga") == 0)
{
acquisition_GpsE1_Fpga->set_single_doppler_flag(1);
}
else if (implementation.compare("Galileo_E5a_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsE5a_Fpga->set_single_doppler_flag(1);
}
else if (implementation.compare("GPS_L5_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL5_Fpga->set_single_doppler_flag(1);
}
int acq_doppler_max = config->property("Acquisition.doppler_max", FLAGS_external_signal_acquisition_doppler_max_hz);
int acq_doppler_step = config->property("Acquisition.doppler_step", FLAGS_external_signal_acquisition_doppler_step_hz);
int num_doppler_steps = (2*acq_doppler_max)/acq_doppler_step + 1;
float result_table[MAX_PRN_IDX][num_doppler_steps][2];
for (unsigned int PRN = 1; PRN < MAX_PRN_IDX; PRN++)
{
unsigned int code_length;
if (implementation.compare("GPS_L1_CA_DLL_PLL_Tracking_Fpga") == 0)
{
uint32_t max_index = 0;
float max_magnitude = 0.0;
uint64_t initial_sample = 0;
float power_sum = 0;
uint32_t doppler_index = 0;
uint32_t max_index_iteration;
float max_magnitude_iteration;
uint64_t initial_sample_iteration;
float power_sum_iteration;
uint32_t doppler_index_iteration;
int doppler_shift_selected;
int doppler_num = 0;
for (int doppler_shift = -acq_doppler_max;doppler_shift <= acq_doppler_max;doppler_shift = doppler_shift + acq_doppler_step)
{
tmp_gnss_synchro.PRN = PRN;
pthread_mutex_lock(&mutex_obs_test);
send_samples_start_obs_test = 0;
pthread_mutex_unlock(&mutex_obs_test);
if (implementation.compare("GPS_L1_CA_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL1Ca_Fpga->reset_acquisition(); // reset the whole system including the sample counters
acquisition_GpsL1Ca_Fpga->set_doppler_max(doppler_shift);
acquisition_GpsL1Ca_Fpga->set_doppler_step(0);
acquisition_GpsL1Ca_Fpga->set_gnss_synchro(&tmp_gnss_synchro);
acquisition_GpsL1Ca_Fpga->init();
acquisition_GpsL1Ca_Fpga->set_local_code();
args.freq_band = 0;
}
else if (implementation.compare("Galileo_E1_DLL_PLL_VEML_Tracking_Fpga") == 0)
{
//printf("starting configuring acquisition\n");
acquisition_GpsE1_Fpga->reset_acquisition(); // reset the whole system including the sample counters
acquisition_GpsE1_Fpga->set_doppler_max(doppler_shift);
acquisition_GpsE1_Fpga->set_doppler_step(0);
acquisition_GpsE1_Fpga->set_gnss_synchro(&tmp_gnss_synchro);
acquisition_GpsE1_Fpga->init();
acquisition_GpsE1_Fpga->set_local_code();
args.freq_band = 0;
//printf("ending configuring acquisition\n");
}
else if (implementation.compare("Galileo_E5a_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsE5a_Fpga->reset_acquisition(); // reset the whole system including the sample counters
acquisition_GpsE5a_Fpga->set_doppler_max(doppler_shift);
acquisition_GpsE5a_Fpga->set_doppler_step(0);
acquisition_GpsE5a_Fpga->set_gnss_synchro(&tmp_gnss_synchro);
acquisition_GpsE5a_Fpga->init();
acquisition_GpsE5a_Fpga->set_local_code();
args.freq_band = 1;
}
else if (implementation.compare("GPS_L5_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL5_Fpga->reset_acquisition(); // reset the whole system including the sample counters
acquisition_GpsL5_Fpga->set_doppler_max(doppler_shift);
acquisition_GpsL5_Fpga->set_doppler_step(0);
acquisition_GpsL5_Fpga->set_gnss_synchro(&tmp_gnss_synchro);
acquisition_GpsL5_Fpga->init();
acquisition_GpsL5_Fpga->set_local_code();
args.freq_band = 1;
}
args.file = file;
args.nsamples_tx = fft_size; //50000; // max size of the FFT
if (test_observables_skip_samples_already_used == 1)
{
args.skip_used_samples = (PRN -1)*fft_size;
}
else
{
args.skip_used_samples = 0;
}
// create DMA child process
if (pthread_create(&thread_DMA, NULL, handler_DMA_obs_test, (void *)&args) < 0)
{
printf("ERROR cannot create DMA Process\n");
}
msg_rx->rx_message = 0;
top_block->start();
pthread_mutex_lock(&mutex_obs_test);
send_samples_start_obs_test = 1;
pthread_mutex_unlock(&mutex_obs_test);
if (implementation.compare("GPS_L1_CA_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL1Ca_Fpga->reset();
}
else if (implementation.compare("Galileo_E1_DLL_PLL_VEML_Tracking_Fpga") == 0)
{
acquisition_GpsE1_Fpga->reset();
}
else if (implementation.compare("Galileo_E5a_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsE5a_Fpga->reset();
}
else if (implementation.compare("GPS_L5_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL5_Fpga->reset();
}
if (start_msg == true)
{
std::cout << "Reading external signal file: " << FLAGS_signal_file << std::endl;
std::cout << "Searching for " << System_and_Signal << " Satellites..." << std::endl;
std::cout << "[";
start_msg = false;
}
// wait for the child DMA process to finish
pthread_join(thread_DMA, NULL);
pthread_mutex_lock(&mutex_obs_test);
send_samples_start_obs_test = 0;
pthread_mutex_unlock(&mutex_obs_test);
while (msg_rx->rx_message == 0)
{
usleep(100000);
}
if (implementation.compare("GPS_L1_CA_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL1Ca_Fpga->read_acquisition_results(&max_index_iteration, &max_magnitude_iteration,&initial_sample_iteration, &power_sum_iteration, &doppler_index_iteration);
}
else if (implementation.compare("Galileo_E1_DLL_PLL_VEML_Tracking_Fpga") == 0)
{
acquisition_GpsE1_Fpga->read_acquisition_results(&max_index_iteration, &max_magnitude_iteration,&initial_sample_iteration, &power_sum_iteration, &doppler_index_iteration);
}
else if (implementation.compare("Galileo_E5a_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsE5a_Fpga->read_acquisition_results(&max_index_iteration, &max_magnitude_iteration,&initial_sample_iteration, &power_sum_iteration, &doppler_index_iteration);
}
else if (implementation.compare("GPS_L5_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL5_Fpga->read_acquisition_results(&max_index_iteration, &max_magnitude_iteration,&initial_sample_iteration, &power_sum_iteration, &doppler_index_iteration);
}
result_table[PRN][doppler_num][0] = max_magnitude_iteration;
result_table[PRN][doppler_num][1] = power_sum_iteration;
doppler_num = doppler_num + 1;
if (max_magnitude_iteration > max_magnitude)
{
max_index = max_index_iteration;
max_magnitude = max_magnitude_iteration;
initial_sample = initial_sample_iteration;
power_sum = power_sum_iteration;
doppler_index = doppler_index_iteration;
doppler_shift_selected = doppler_shift;
}
top_block->stop();
}
power_sum = (power_sum - max_magnitude) / (fft_size - 1);
float test_statistics = (max_magnitude / power_sum);
float threshold = config->property("Acquisition.threshold", FLAGS_external_signal_acquisition_threshold);
if (test_statistics > threshold)
{
std::cout << " " << PRN << " ";
//doppler_measurements_map.insert(std::pair<int, double>(PRN, static_cast<double>(doppler_shift_selected)));
//code_delay_measurements_map.insert(std::pair<int, double>(PRN, static_cast<double>(max_index % nsamples_total)));
//acq_samplestamp_map.insert(std::pair<int, double>(PRN, initial_sample)); // should be 0 (first sample upon which acq starts is always 0 in this case)
gnss_synchro_vec.push_back(tmp_gnss_synchro);
}
else
{
std::cout << " . ";
}
std::cout.flush();
code_length = static_cast<unsigned int>(std::round(static_cast<double>(baseband_sampling_freq) / (GPS_L1_CA_CODE_RATE_HZ / GPS_L1_CA_CODE_LENGTH_CHIPS)));
}
else if (implementation.compare("Galileo_E1_DLL_PLL_VEML_Tracking_Fpga") == 0)
{
code_length = static_cast<unsigned int>(std::round(static_cast<double>(baseband_sampling_freq) / (Galileo_E1_CODE_CHIP_RATE_HZ / Galileo_E1_B_CODE_LENGTH_CHIPS)));
}
else if (implementation.compare("Galileo_E5a_DLL_PLL_Tracking_Fpga") == 0)
{
code_length = static_cast<unsigned int>(std::round(static_cast<double>(baseband_sampling_freq) / Galileo_E5a_CODE_CHIP_RATE_HZ * static_cast<double>(Galileo_E5a_CODE_LENGTH_CHIPS)));
}
uint32_t max_index = 0;
float max_magnitude = 0.0;
uint64_t initial_sample = 0;
float power_sum = 0;
uint32_t doppler_index = 0;
if (test_observables_show_results_table == 1)
else if (implementation.compare("GPS_L5_DLL_PLL_Tracking_Fpga") == 0)
{
for (unsigned int PRN = 1; PRN < MAX_PRN_IDX; PRN++)
code_length = static_cast<unsigned int>(std::round(static_cast<double>(baseband_sampling_freq) / (GPS_L5i_CODE_RATE_HZ / static_cast<double>(GPS_L5i_CODE_LENGTH_CHIPS))));
}
float nbits = ceilf(log2f((float)code_length));
unsigned int fft_size = pow(2, nbits);
unsigned int nsamples_total = fft_size;
if (implementation.compare("GPS_L1_CA_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL1Ca_Fpga->set_single_doppler_flag(1);
}
else if (implementation.compare("Galileo_E1_DLL_PLL_VEML_Tracking_Fpga") == 0)
{
acquisition_GpsE1_Fpga->set_single_doppler_flag(1);
}
else if (implementation.compare("Galileo_E5a_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsE5a_Fpga->set_single_doppler_flag(1);
}
else if (implementation.compare("GPS_L5_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL5_Fpga->set_single_doppler_flag(1);
}
int acq_doppler_max = config->property("Acquisition.doppler_max", FLAGS_external_signal_acquisition_doppler_max_hz);
int acq_doppler_step = config->property("Acquisition.doppler_step", FLAGS_external_signal_acquisition_doppler_step_hz);
int num_doppler_steps = (2*acq_doppler_max)/acq_doppler_step + 1;
float result_table[MAX_PRN_IDX][num_doppler_steps][2];
for (unsigned int PRN = 1; PRN < MAX_PRN_IDX; PRN++)
{
std::cout << std::endl << "############################################ Results for satellite " << PRN << std::endl;
int doppler_num = 0;
for (int doppler_shift = -acq_doppler_max;doppler_shift <= acq_doppler_max;doppler_shift = doppler_shift + acq_doppler_step)
uint32_t max_index = 0;
float max_magnitude = 0.0;
uint64_t initial_sample = 0;
float power_sum = 0;
uint32_t doppler_index = 0;
uint32_t max_index_iteration;
float max_magnitude_iteration;
uint64_t initial_sample_iteration;
float power_sum_iteration;
uint32_t doppler_index_iteration;
int doppler_shift_selected;
int doppler_num = 0;
for (int doppler_shift = -acq_doppler_max;doppler_shift <= acq_doppler_max;doppler_shift = doppler_shift + acq_doppler_step)
{
max_magnitude = result_table[PRN][doppler_num][0];
power_sum = result_table[PRN][doppler_num][1];
tmp_gnss_synchro.PRN = PRN;
pthread_mutex_lock(&mutex_obs_test);
send_samples_start_obs_test = 0;
pthread_mutex_unlock(&mutex_obs_test);
if (implementation.compare("GPS_L1_CA_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL1Ca_Fpga->reset_acquisition(); // reset the whole system including the sample counters
acquisition_GpsL1Ca_Fpga->set_doppler_max(doppler_shift);
acquisition_GpsL1Ca_Fpga->set_doppler_step(0);
acquisition_GpsL1Ca_Fpga->set_gnss_synchro(&tmp_gnss_synchro);
acquisition_GpsL1Ca_Fpga->init();
acquisition_GpsL1Ca_Fpga->set_local_code();
args.freq_band = 0;
}
else if (implementation.compare("Galileo_E1_DLL_PLL_VEML_Tracking_Fpga") == 0)
{
//printf("starting configuring acquisition\n");
acquisition_GpsE1_Fpga->reset_acquisition(); // reset the whole system including the sample counters
acquisition_GpsE1_Fpga->set_doppler_max(doppler_shift);
acquisition_GpsE1_Fpga->set_doppler_step(0);
acquisition_GpsE1_Fpga->set_gnss_synchro(&tmp_gnss_synchro);
acquisition_GpsE1_Fpga->init();
acquisition_GpsE1_Fpga->set_local_code();
args.freq_band = 0;
//printf("ending configuring acquisition\n");
}
else if (implementation.compare("Galileo_E5a_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsE5a_Fpga->reset_acquisition(); // reset the whole system including the sample counters
acquisition_GpsE5a_Fpga->set_doppler_max(doppler_shift);
acquisition_GpsE5a_Fpga->set_doppler_step(0);
acquisition_GpsE5a_Fpga->set_gnss_synchro(&tmp_gnss_synchro);
acquisition_GpsE5a_Fpga->init();
acquisition_GpsE5a_Fpga->set_local_code();
args.freq_band = 1;
}
else if (implementation.compare("GPS_L5_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL5_Fpga->reset_acquisition(); // reset the whole system including the sample counters
acquisition_GpsL5_Fpga->set_doppler_max(doppler_shift);
acquisition_GpsL5_Fpga->set_doppler_step(0);
acquisition_GpsL5_Fpga->set_gnss_synchro(&tmp_gnss_synchro);
acquisition_GpsL5_Fpga->init();
acquisition_GpsL5_Fpga->set_local_code();
args.freq_band = 1;
}
args.file = file;
args.nsamples_tx = fft_size; //50000; // max size of the FFT
if (test_observables_skip_samples_already_used == 1)
{
args.skip_used_samples = (PRN -1)*fft_size;
}
else
{
args.skip_used_samples = 0;
}
// create DMA child process
if (pthread_create(&thread_DMA, NULL, handler_DMA_obs_test, (void *)&args) < 0)
{
printf("ERROR cannot create DMA Process\n");
}
msg_rx->rx_message = 0;
top_block->start();
pthread_mutex_lock(&mutex_obs_test);
send_samples_start_obs_test = 1;
pthread_mutex_unlock(&mutex_obs_test);
if (implementation.compare("GPS_L1_CA_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL1Ca_Fpga->reset();
}
else if (implementation.compare("Galileo_E1_DLL_PLL_VEML_Tracking_Fpga") == 0)
{
acquisition_GpsE1_Fpga->reset();
}
else if (implementation.compare("Galileo_E5a_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsE5a_Fpga->reset();
}
else if (implementation.compare("GPS_L5_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL5_Fpga->reset();
}
if (start_msg == true)
{
std::cout << "Reading external signal file: " << FLAGS_signal_file << std::endl;
std::cout << "Searching for " << System_and_Signal << " Satellites..." << std::endl;
std::cout << "[";
start_msg = false;
}
// wait for the child DMA process to finish
pthread_join(thread_DMA, NULL);
pthread_mutex_lock(&mutex_obs_test);
send_samples_start_obs_test = 0;
pthread_mutex_unlock(&mutex_obs_test);
while (msg_rx->rx_message == 0)
{
usleep(100000);
}
if (implementation.compare("GPS_L1_CA_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL1Ca_Fpga->read_acquisition_results(&max_index_iteration, &max_magnitude_iteration,&initial_sample_iteration, &power_sum_iteration, &doppler_index_iteration);
}
else if (implementation.compare("Galileo_E1_DLL_PLL_VEML_Tracking_Fpga") == 0)
{
acquisition_GpsE1_Fpga->read_acquisition_results(&max_index_iteration, &max_magnitude_iteration,&initial_sample_iteration, &power_sum_iteration, &doppler_index_iteration);
}
else if (implementation.compare("Galileo_E5a_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsE5a_Fpga->read_acquisition_results(&max_index_iteration, &max_magnitude_iteration,&initial_sample_iteration, &power_sum_iteration, &doppler_index_iteration);
}
else if (implementation.compare("GPS_L5_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL5_Fpga->read_acquisition_results(&max_index_iteration, &max_magnitude_iteration,&initial_sample_iteration, &power_sum_iteration, &doppler_index_iteration);
}
result_table[PRN][doppler_num][0] = max_magnitude_iteration;
result_table[PRN][doppler_num][1] = power_sum_iteration;
doppler_num = doppler_num + 1;
std::cout << "Doppler shift " << doppler_shift << std::endl;
std::cout << "Max magnitude = " << max_magnitude << "Power sum = " << power_sum << std::endl;
if (max_magnitude_iteration > max_magnitude)
{
max_index = max_index_iteration;
max_magnitude = max_magnitude_iteration;
initial_sample = initial_sample_iteration;
power_sum = power_sum_iteration;
doppler_index = doppler_index_iteration;
doppler_shift_selected = doppler_shift;
}
top_block->stop();
}
power_sum = (power_sum - max_magnitude) / (fft_size - 1);
float test_statistics = (max_magnitude / power_sum);
std::cout << "test_statistics = " << test_statistics << std::endl;
power_sum = (power_sum - max_magnitude) / (fft_size - 1);
float test_statistics = (max_magnitude / power_sum);
float threshold = config->property("Acquisition.threshold", FLAGS_external_signal_acquisition_threshold);
if (test_statistics > threshold)
{
std::cout << " " << PRN << " ";
//doppler_measurements_map.insert(std::pair<int, double>(PRN, static_cast<double>(doppler_shift_selected)));
//code_delay_measurements_map.insert(std::pair<int, double>(PRN, static_cast<double>(max_index % nsamples_total)));
//acq_samplestamp_map.insert(std::pair<int, double>(PRN, initial_sample)); // should be 0 (first sample upon which acq starts is always 0 in this case)
gnss_synchro_vec.push_back(tmp_gnss_synchro);
}
else
{
std::cout << " . ";
}
std::cout.flush();
}
uint32_t max_index = 0;
float max_magnitude = 0.0;
uint64_t initial_sample = 0;
float power_sum = 0;
uint32_t doppler_index = 0;
if (test_observables_show_results_table == 1)
{
for (unsigned int PRN = 1; PRN < MAX_PRN_IDX; PRN++)
{
std::cout << std::endl << "############################################ Results for satellite " << PRN << std::endl;
int doppler_num = 0;
for (int doppler_shift = -acq_doppler_max;doppler_shift <= acq_doppler_max;doppler_shift = doppler_shift + acq_doppler_step)
{
max_magnitude = result_table[PRN][doppler_num][0];
power_sum = result_table[PRN][doppler_num][1];
doppler_num = doppler_num + 1;
std::cout << "Doppler shift " << doppler_shift << std::endl;
std::cout << "Max magnitude = " << max_magnitude << "Power sum = " << power_sum << std::endl;
power_sum = (power_sum - max_magnitude) / (fft_size - 1);
float test_statistics = (max_magnitude / power_sum);
std::cout << "test_statistics = " << test_statistics << std::endl;
}
}
}
}
}
}
std::cout << "]" << std::endl;
std::cout << "-------------------------------------------\n";
@ -1899,7 +1899,7 @@ TEST_F(HybridObservablesTestFpga, ValidationOfResults)
}
}
printf("@@@@@@@@@@@@@@@@@@@@@@@@@@ Signal Acquired\n");
configure_receiver(FLAGS_PLL_bw_hz_start,
FLAGS_DLL_bw_hz_start,
FLAGS_PLL_narrow_bw_hz,

View File

@ -901,7 +901,7 @@ bool TrackingPullInTestFpga::acquire_signal(int SV_ID)
int num_doppler_steps = (2*acq_doppler_max)/acq_doppler_step + 1;
float result_table[MAX_PRN_IDX][num_doppler_steps][2];
float result_table[MAX_PRN_IDX][num_doppler_steps][4];
for (unsigned int PRN = 1; PRN < MAX_PRN_IDX; PRN++)
{
@ -913,6 +913,8 @@ bool TrackingPullInTestFpga::acquire_signal(int SV_ID)
uint32_t doppler_index = 0;
uint32_t max_index_iteration;
uint32_t total_fft_scaling_factor;
uint32_t fw_fft_scaling_factor;
float max_magnitude_iteration;
uint64_t initial_sample_iteration;
float power_sum_iteration;
@ -1039,22 +1041,28 @@ bool TrackingPullInTestFpga::acquire_signal(int SV_ID)
if (implementation.compare("GPS_L1_CA_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL1Ca_Fpga->read_acquisition_results(&max_index_iteration, &max_magnitude_iteration,&initial_sample_iteration, &power_sum_iteration, &doppler_index_iteration);
acquisition_GpsL1Ca_Fpga->read_fpga_total_scale_factor(&total_fft_scaling_factor, &fw_fft_scaling_factor);
}
else if (implementation.compare("Galileo_E1_DLL_PLL_VEML_Tracking_Fpga") == 0)
{
acquisition_GpsE1_Fpga->read_acquisition_results(&max_index_iteration, &max_magnitude_iteration,&initial_sample_iteration, &power_sum_iteration, &doppler_index_iteration);
acquisition_GpsE1_Fpga->read_fpga_total_scale_factor(&total_fft_scaling_factor, &fw_fft_scaling_factor);
}
else if (implementation.compare("Galileo_E5a_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsE5a_Fpga->read_acquisition_results(&max_index_iteration, &max_magnitude_iteration,&initial_sample_iteration, &power_sum_iteration, &doppler_index_iteration);
acquisition_GpsE5a_Fpga->read_fpga_total_scale_factor(&total_fft_scaling_factor, &fw_fft_scaling_factor);
}
else if (implementation.compare("GPS_L5_DLL_PLL_Tracking_Fpga") == 0)
{
acquisition_GpsL5_Fpga->read_acquisition_results(&max_index_iteration, &max_magnitude_iteration,&initial_sample_iteration, &power_sum_iteration, &doppler_index_iteration);
acquisition_GpsL5_Fpga->read_fpga_total_scale_factor(&total_fft_scaling_factor, &fw_fft_scaling_factor);
}
result_table[PRN][doppler_num][0] = max_magnitude_iteration;
result_table[PRN][doppler_num][1] = power_sum_iteration;
result_table[PRN][doppler_num][2] = total_fft_scaling_factor;
result_table[PRN][doppler_num][3] = fw_fft_scaling_factor;
doppler_num = doppler_num + 1;
if (max_magnitude_iteration > max_magnitude)
@ -1089,6 +1097,8 @@ bool TrackingPullInTestFpga::acquire_signal(int SV_ID)
}
uint32_t max_index = 0;
uint32_t total_fft_scaling_factor;
uint32_t fw_fft_scaling_factor;
float max_magnitude = 0.0;
uint64_t initial_sample = 0;
float power_sum = 0;
@ -1104,11 +1114,13 @@ bool TrackingPullInTestFpga::acquire_signal(int SV_ID)
{
max_magnitude = result_table[PRN][doppler_num][0];
power_sum = result_table[PRN][doppler_num][1];
total_fft_scaling_factor = result_table[PRN][doppler_num][2];
fw_fft_scaling_factor = result_table[PRN][doppler_num][3];
doppler_num = doppler_num + 1;
std::cout << "Doppler shift " << doppler_shift << std::endl;
std::cout << "Max magnitude = " << max_magnitude << "Power sum = " << power_sum << std::endl;
std::cout << "FFT total scaling factor = " << total_fft_scaling_factor << " FW FFT scaling factor = " << fw_fft_scaling_factor << std::endl;
power_sum = (power_sum - max_magnitude) / (fft_size - 1);
float test_statistics = (max_magnitude / power_sum);
std::cout << "test_statistics = " << test_statistics << std::endl;