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updated L5 and E5a adapters for debugging

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corrected minor issues
This commit is contained in:
Marc Majoral 2018-11-05 17:01:29 +01:00
parent b5409f0860
commit 392f92839f
5 changed files with 54 additions and 20 deletions
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4
src/algorithms/acquisition/adapters/galileo_e1_pcps_ambiguous_acquisition_fpga.cc
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@ -49,7 +49,7 @@ GalileoE1PcpsAmbiguousAcquisitionFpga::GalileoE1PcpsAmbiguousAcquisitionFpga(
//printf("top acq constructor start\n");
pcpsconf_fpga_t acq_parameters;
configuration_ = configuration;
std::string default_item_type = "gr_complex";
std::string default_item_type = "cshort";
std::string default_dump_filename = "./data/acquisition.dat";
DLOG(INFO) << "role " << role;
@ -59,7 +59,7 @@ GalileoE1PcpsAmbiguousAcquisitionFpga::GalileoE1PcpsAmbiguousAcquisitionFpga(
long fs_in_deprecated = configuration_->property("GNSS-SDR.internal_fs_hz", 4000000);
long fs_in = configuration_->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
float downsampling_factor = configuration_->property("GNSS-SDR.downsampling_factor", 4.0);
float downsampling_factor = configuration_->property(role + ".downsampling_factor", 4.0);
acq_parameters.downsampling_factor = downsampling_factor;
//fs_in = fs_in/2.0; // downampling filter

29
src/algorithms/acquisition/adapters/galileo_e5a_pcps_acquisition_fpga.cc
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@ -50,7 +50,7 @@ GalileoE5aPcpsAcquisitionFpga::GalileoE5aPcpsAcquisitionFpga(ConfigurationInterf
//printf("creating the E5A acquisition");
pcpsconf_fpga_t acq_parameters;
configuration_ = configuration;
std::string default_item_type = "gr_complex";
std::string default_item_type = "cshort";
std::string default_dump_filename = "../data/acquisition.dat";
DLOG(INFO) << "Role " << role;
@ -59,6 +59,12 @@ GalileoE5aPcpsAcquisitionFpga::GalileoE5aPcpsAcquisitionFpga(ConfigurationInterf
long fs_in_deprecated = configuration_->property("GNSS-SDR.internal_fs_hz", 32000000);
long fs_in = configuration_->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
float downsampling_factor = configuration_->property("GNSS-SDR.downsampling_factor", 1.0);
acq_parameters.downsampling_factor = downsampling_factor;
fs_in = fs_in/downsampling_factor;
acq_parameters.fs_in = fs_in;
//acq_parameters.freq = 0;
@ -68,7 +74,9 @@ GalileoE5aPcpsAcquisitionFpga::GalileoE5aPcpsAcquisitionFpga(ConfigurationInterf
doppler_max_ = configuration_->property(role + ".doppler_max", 5000);
if (FLAGS_doppler_max != 0) doppler_max_ = FLAGS_doppler_max;
acq_parameters.doppler_max = doppler_max_;
unsigned int sampled_ms = 1;
unsigned int sampled_ms = configuration_->property(role + ".coherent_integration_time_ms", 1);
acq_parameters.sampled_ms = sampled_ms;
//max_dwells_ = configuration_->property(role + ".max_dwells", 1);
//acq_parameters.max_dwells = max_dwells_;
//dump_filename_ = configuration_->property(role + ".dump_filename", default_dump_filename);
@ -91,10 +99,11 @@ GalileoE5aPcpsAcquisitionFpga::GalileoE5aPcpsAcquisitionFpga(ConfigurationInterf
unsigned int code_length = static_cast<unsigned int>(std::round(static_cast<double>(fs_in) / Galileo_E5a_CODE_CHIP_RATE_HZ * static_cast<double>(Galileo_E5a_CODE_LENGTH_CHIPS)));
acq_parameters.code_length = code_length;
// The FPGA can only use FFT lengths that are a power of two.
float nbits = ceilf(log2f((float)code_length));
float nbits = ceilf(log2f((float)code_length*2));
unsigned int nsamples_total = pow(2, nbits);
unsigned int vector_length = nsamples_total;
unsigned int select_queue_Fpga = configuration_->property(role + ".select_queue_Fpga", 1);
printf("select queue = %d\n", select_queue_Fpga);
//printf("select_queue_Fpga = %d\n", select_queue_Fpga);
acq_parameters.select_queue_Fpga = select_queue_Fpga;
std::string default_device_name = "/dev/uio0";
@ -137,8 +146,14 @@ GalileoE5aPcpsAcquisitionFpga::GalileoE5aPcpsAcquisitionFpga(ConfigurationInterf
galileo_e5_a_code_gen_complex_sampled(code, signal_, PRN, fs_in, 0);
for (int s = code_length; s < 2*code_length; s++)
{
code[s] = code[s - code_length];
//code[s] = 0;
}
// fill in zero padding
for (int s = code_length; s < nsamples_total; s++)
for (int s = 2*code_length; s < nsamples_total; s++)
{
code[s] = std::complex<float>(static_cast<float>(0,0));
//code[s] = 0;
@ -162,8 +177,8 @@ GalileoE5aPcpsAcquisitionFpga::GalileoE5aPcpsAcquisitionFpga(ConfigurationInterf
}
for (unsigned int i = 0; i < nsamples_total; i++) // map the FFT to the dynamic range of the fixed point values an copy to buffer containing all FFTs
{
d_all_fft_codes_[i + nsamples_total * (PRN - 1)] = lv_16sc_t(static_cast<int>(floor(fft_codes_padded[i].real() * (pow(2, 15) - 1) / max)),
static_cast<int>(floor(fft_codes_padded[i].imag() * (pow(2, 15) - 1) / max)));
d_all_fft_codes_[i + nsamples_total * (PRN - 1)] = lv_16sc_t(static_cast<int>(floor(fft_codes_padded[i].real() * (pow(2, 5) - 1) / max)),
static_cast<int>(floor(fft_codes_padded[i].imag() * (pow(2, 5) - 1) / max)));
}
}
@ -202,6 +217,8 @@ GalileoE5aPcpsAcquisitionFpga::GalileoE5aPcpsAcquisitionFpga(ConfigurationInterf
//acquisition_fpga_ = pcps_make_acquisition_fpga(acq_parameters);
//DLOG(INFO) << "acquisition(" << acquisition_fpga_->unique_id() << ")";
acq_parameters.total_block_exp = 9;
acquisition_fpga_ = pcps_make_acquisition_fpga(acq_parameters);
DLOG(INFO) << "acquisition(" << acquisition_fpga_->unique_id() << ")";

8
src/algorithms/acquisition/adapters/gps_l1_ca_pcps_acquisition_fpga.cc
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@ -54,14 +54,15 @@ GpsL1CaPcpsAcquisitionFpga::GpsL1CaPcpsAcquisitionFpga(
{
pcpsconf_fpga_t acq_parameters;
configuration_ = configuration;
std::string default_item_type = "gr_complex";
std::string default_item_type = "cshort";
DLOG(INFO) << "role " << role;
long fs_in_deprecated = configuration_->property("GNSS-SDR.internal_fs_hz", 2048000);
long fs_in = configuration_->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
float downsampling_factor = configuration_->property("GNSS-SDR.downsampling_factor", 4.0);
float downsampling_factor = configuration_->property(role + ".downsampling_factor", 4.0);
printf("downsampling_factor = %f\n", downsampling_factor);
acq_parameters.downsampling_factor = downsampling_factor;
//fs_in = fs_in/2.0; // downampling filter
//printf("fs_in pre downsampling = %ld\n", fs_in);
@ -86,6 +87,7 @@ GpsL1CaPcpsAcquisitionFpga::GpsL1CaPcpsAcquisitionFpga(
unsigned int vector_length = nsamples_total;
//printf("acq adapter vector_length = %d\n", vector_length);
unsigned int select_queue_Fpga = configuration_->property(role + ".select_queue_Fpga", 0);
printf("select queue = %d\n", select_queue_Fpga);
acq_parameters.select_queue_Fpga = select_queue_Fpga;
std::string default_device_name = "/dev/uio0";
std::string device_name = configuration_->property(role + ".devicename", default_device_name);
@ -185,7 +187,7 @@ GpsL1CaPcpsAcquisitionFpga::GpsL1CaPcpsAcquisitionFpga(
delete fft_if;
delete[] fft_codes_padded;
acq_parameters.total_block_exp = 0;
acq_parameters.total_block_exp = 9;
acquisition_fpga_ = pcps_make_acquisition_fpga(acq_parameters);
DLOG(INFO) << "acquisition(" << acquisition_fpga_->unique_id() << ")";

31
src/algorithms/acquisition/adapters/gps_l5i_pcps_acquisition_fpga.cc
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@ -50,7 +50,7 @@ GpsL5iPcpsAcquisitionFpga::GpsL5iPcpsAcquisitionFpga(
//printf("L5 ACQ CLASS CREATED\n");
pcpsconf_fpga_t acq_parameters;
configuration_ = configuration;
std::string default_item_type = "gr_complex";
std::string default_item_type = "cshort";
std::string default_dump_filename = "./data/acquisition.dat";
LOG(INFO) << "role " << role;
@ -60,7 +60,7 @@ GpsL5iPcpsAcquisitionFpga::GpsL5iPcpsAcquisitionFpga(
long fs_in_deprecated = configuration_->property("GNSS-SDR.internal_fs_hz", 2048000);
long fs_in = configuration_->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
float downsampling_factor = configuration_->property("GNSS-SDR.downsampling_factor", 1.0);
float downsampling_factor = configuration_->property(role + ".downsampling_factor", 1.0);
acq_parameters.downsampling_factor = downsampling_factor;
fs_in = fs_in/downsampling_factor;
@ -93,22 +93,26 @@ GpsL5iPcpsAcquisitionFpga::GpsL5iPcpsAcquisitionFpga(
unsigned int code_length = static_cast<unsigned int>(std::round(static_cast<double>(fs_in) / (GPS_L5i_CODE_RATE_HZ / static_cast<double>(GPS_L5i_CODE_LENGTH_CHIPS))));
acq_parameters.code_length = code_length;
// The FPGA can only use FFT lengths that are a power of two.
float nbits = ceilf(log2f((float)code_length));
float nbits = ceilf(log2f((float)code_length*2));
unsigned int nsamples_total = pow(2, nbits);
unsigned int vector_length = nsamples_total;
unsigned int select_queue_Fpga = configuration_->property(role + ".select_queue_Fpga", 1);
printf("select queue = %d\n", select_queue_Fpga);
acq_parameters.select_queue_Fpga = select_queue_Fpga;
std::string default_device_name = "/dev/uio0";
std::string device_name = configuration_->property(role + ".devicename", default_device_name);
acq_parameters.device_name = device_name;
acq_parameters.samples_per_ms = nsamples_total;
acq_parameters.samples_per_ms = nsamples_total/sampled_ms;
acq_parameters.samples_per_code = nsamples_total;
acq_parameters.excludelimit = static_cast<unsigned int>(std::round(static_cast<double>(fs_in) / GPS_L5i_CODE_RATE_HZ));
//printf("L5 ACQ CLASS MID 01\n");
// compute all the GPS L5 PRN Codes (this is done only once upon the class constructor in order to avoid re-computing the PRN codes every time
// a channel is assigned)
gr::fft::fft_complex* fft_if = new gr::fft::fft_complex(vector_length, true); // Direct FFT
gr::fft::fft_complex* fft_if = new gr::fft::fft_complex(nsamples_total, true); // Direct FFT
//printf("L5 ACQ CLASS MID 02\n");
std::complex<float>* code = new gr_complex[vector_length];
std::complex<float>* code = new gr_complex[nsamples_total];
//printf("L5 ACQ CLASS MID 03\n");
gr_complex* fft_codes_padded = static_cast<gr_complex*>(volk_gnsssdr_malloc(nsamples_total * sizeof(gr_complex), volk_gnsssdr_get_alignment()));
//printf("L5 ACQ CLASS MID 04\n");
@ -123,7 +127,14 @@ GpsL5iPcpsAcquisitionFpga::GpsL5iPcpsAcquisitionFpga(
gps_l5i_code_gen_complex_sampled(code, PRN, fs_in);
//printf("L5 ACQ CLASS processing PRN = %d (cont) \n", PRN);
// fill in zero padding
for (int s = code_length; s < nsamples_total; s++)
for (int s = code_length; s < 2*code_length; s++)
{
code[s] = code[s - code_length];
//code[s] = 0;
}
for (int s = 2*code_length; s < nsamples_total; s++)
{
code[s] = std::complex<float>(static_cast<float>(0,0));
//code[s] = 0;
@ -152,8 +163,8 @@ GpsL5iPcpsAcquisitionFpga::GpsL5iPcpsAcquisitionFpga(
// static_cast<int>(16*floor(fft_codes_padded[i].imag() * (pow(2, 11) - 1) / max)));
//d_all_fft_codes_[i + nsamples_total * (PRN - 1)] = lv_16sc_t(static_cast<int>(floor(fft_codes_padded[i].real() * (pow(2, 15) - 1) / max)),
// static_cast<int>(floor(fft_codes_padded[i].imag() * (pow(2, 15) - 1) / max)));
d_all_fft_codes_[i + nsamples_total * (PRN - 1)] = lv_16sc_t(static_cast<int>(floor(fft_codes_padded[i].real() * (pow(2, 15) - 1) / max)),
static_cast<int>(floor(fft_codes_padded[i].imag() * (pow(2, 15) - 1) / max)));
d_all_fft_codes_[i + nsamples_total * (PRN - 1)] = lv_16sc_t(static_cast<int>(floor(fft_codes_padded[i].real() * (pow(2, 5) - 1) / max)),
static_cast<int>(floor(fft_codes_padded[i].imag() * (pow(2, 5) - 1) / max)));
}
@ -196,6 +207,8 @@ GpsL5iPcpsAcquisitionFpga::GpsL5iPcpsAcquisitionFpga(
// acquisition_fpga_ = pcps_make_acquisition(acq_parameters);
// DLOG(INFO) << "acquisition(" << acquisition_fpga_->unique_id() << ")";
acq_parameters.total_block_exp = 9;
acquisition_fpga_ = pcps_make_acquisition_fpga(acq_parameters);
DLOG(INFO) << "acquisition(" << acquisition_fpga_->unique_id() << ")";

2
src/algorithms/tracking/libs/fpga_multicorrelator.cc
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@ -334,6 +334,8 @@ void fpga_multicorrelator_8sc::set_channel(uint32_t channel)
//printf("ppps opening device %s\n", device_io_name);
printf("trk device_io_name = %s\n", device_io_name);
if ((d_device_descriptor = open(device_io_name, O_RDWR | O_SYNC)) == -1)
{
LOG(WARNING) << "Cannot open deviceio" << device_io_name;