mirrors/gnss-sdr
1
0
Fork 0
mirror of https://github.com/gnss-sdr/gnss-sdr synced 2025-04-03 17:27:03 +00:00
Code Issues Releases Wiki Activity

now the FPGA Galileo E1 tracking pull-in tests work successfully

Browse Source
This commit is contained in:
Marc Majoral 2018-11-12 17:44:42 +01:00
parent f150fe02c7
commit fe5f3f5328
1 changed files with 25 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
src/tests/unit-tests/signal-processing-blocks/tracking/tracking_pull-in_test_fpga.cc
View File

@ -74,8 +74,8 @@
#define NSAMPLES_FINAL 50000 // number of samples sent after running tracking to unblock the SW if it is waiting for an interrupt of the tracking module
#define NSAMPLES_ACQ_DOPPLER_SWEEP 50000000 // number of samples sent to the acquisition module when running acquisition when the HW controls the doppler loop
#define DOWNAMPLING_FILTER_INIT_SAMPLES 100 // some samples to initialize the state of the downsampling filter
#define DOWNSAMPLING_FILTER_DELAY 11
#define DOWNSAMPLING_FILTER_DELAY 48
#define DOWNSAMPLING_FILTER_OFFSET_SAMPLES 0
// HW related options
bool doppler_control_in_sw = 1; // 1 => doppler sweep controlled by the SW test code , 0 => doppler sweep controlled by the HW
bool show_results_table = 0; // 1 => show matrix of (doppler, (max value, power sum)) results (only if doppler_control_in_sw = 1), 0=> do not show it
@ -341,9 +341,14 @@ void TrackingPullInTestFpga::configure_receiver(
signal.copy(gnss_synchro.Signal, 2, 0);
config->set_property("Tracking.early_late_space_chips", "0.15");
config->set_property("Tracking.very_early_late_space_chips", "0.6");
config->set_property("Tracking.early_late_space_narrow_chips", "0.15");
config->set_property("Tracking.very_early_late_space_narrow_chips", "0.6");
//config->set_property("Tracking.early_late_space_narrow_chips", "0.15");
//config->set_property("Tracking.very_early_late_space_narrow_chips", "0.6");
config->set_property("Tracking.track_pilot", "true");
// added by me
config->set_property("Tracking.if", "0");
config->set_property("Tracking.devicename", "/dev/uio");
config->set_property("Tracking.device_base", "15");
}
else if (implementation.compare("Galileo_E5a_DLL_PLL_Tracking_Fpga") == 0) // or implementation.compare("Galileo_E5a_DLL_PLL_Tracking_b") == 0)
@ -736,6 +741,16 @@ bool TrackingPullInTestFpga::acquire_signal(int SV_ID)
config->set_property("Acquisition.dump_filename", "./data/acquisition.dat");
config->set_property("Acquisition.use_CFAR_algorithm", "false");
config->set_property("Acquisition.item_type", "cshort");
config->set_property("Acquisition.if", "0");
config->set_property("Acquisition.sampled_ms", "4");
config->set_property("Acquisition.select_queue_Fpga", "0");
config->set_property("Acquisition.devicename", "/dev/uio0");
if (implementation.compare("Galileo_E1_DLL_PLL_VEML_Tracking_Fpga") == 0)
{
config->set_property("Acquisition.acquire_pilot", "false");
}
std::shared_ptr<GpsL1CaPcpsAcquisitionFpga> acquisition_GpsL1Ca_Fpga;
std::shared_ptr<GalileoE1PcpsAmbiguousAcquisitionFpga> acquisition_GpsE1_Fpga;
std::shared_ptr<GalileoE5aPcpsAcquisitionFpga> acquisition_GpsE5a_Fpga;
@ -1088,8 +1103,8 @@ bool TrackingPullInTestFpga::acquire_signal(int SV_ID)
uint32_t index_debug[MAX_PRN_IDX];
uint32_t samplestamp_debug[MAX_PRN_IDX];
//for (unsigned int PRN = 1; PRN < MAX_PRN_IDX; PRN++)
for (unsigned int PRN = 0; PRN < 17; PRN++)
for (unsigned int PRN = 1; PRN < MAX_PRN_IDX; PRN++)
//for (unsigned int PRN = 0; PRN < 17; PRN++)
{
uint32_t max_index = 0;
@ -1186,7 +1201,7 @@ bool TrackingPullInTestFpga::acquire_signal(int SV_ID)
{
args.skip_used_samples = - DOWNAMPLING_FILTER_INIT_SAMPLES; // set the counter 2000 samples before
}
args.nsamples_tx = DOWNAMPLING_FILTER_INIT_SAMPLES + DOWNSAMPLING_FILTER_DELAY; //50000; // max size of the FFT
args.nsamples_tx = DOWNAMPLING_FILTER_INIT_SAMPLES + DOWNSAMPLING_FILTER_DELAY + DOWNSAMPLING_FILTER_OFFSET_SAMPLES; //50000; // max size of the FFT
//printf("sending pre init %d\n", args.nsamples_tx);
if (pthread_create(&thread_DMA, NULL, handler_DMA, (void *)&args) < 0)
@ -1206,11 +1221,11 @@ bool TrackingPullInTestFpga::acquire_signal(int SV_ID)
if (skip_samples_already_used == 1)
{
args.skip_used_samples = (PRN -1)*fft_size + DOWNSAMPLING_FILTER_DELAY;
args.skip_used_samples = (PRN -1)*fft_size + DOWNSAMPLING_FILTER_DELAY + DOWNSAMPLING_FILTER_OFFSET_SAMPLES;
}
else
{
args.skip_used_samples = DOWNSAMPLING_FILTER_DELAY;
args.skip_used_samples = DOWNSAMPLING_FILTER_DELAY + DOWNSAMPLING_FILTER_OFFSET_SAMPLES;
}
}
else
@ -1324,7 +1339,7 @@ bool TrackingPullInTestFpga::acquire_signal(int SV_ID)
{
int interpolation_factor = 4;
index_debug[PRN - 1] = max_index_iteration;
max_index = max_index_iteration - interpolation_factor*(DOWNSAMPLING_FILTER_DELAY - 1);
max_index = max_index_iteration; // - interpolation_factor*(DOWNSAMPLING_FILTER_DELAY - 1);
max_magnitude = max_magnitude_iteration;
second_magnitude = second_magnitude_iteration;
samplestamp_debug[PRN - 1] = initial_sample_iteration;