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https://github.com/gnss-sdr/gnss-sdr
synced 2024-12-15 12:40:35 +00:00
updated L5 and E5a adapters for debugging
corrected minor issues
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b5409f0860
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@ -49,7 +49,7 @@ GalileoE1PcpsAmbiguousAcquisitionFpga::GalileoE1PcpsAmbiguousAcquisitionFpga(
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//printf("top acq constructor start\n");
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pcpsconf_fpga_t acq_parameters;
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configuration_ = configuration;
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std::string default_item_type = "gr_complex";
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std::string default_item_type = "cshort";
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std::string default_dump_filename = "./data/acquisition.dat";
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DLOG(INFO) << "role " << role;
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@ -59,7 +59,7 @@ GalileoE1PcpsAmbiguousAcquisitionFpga::GalileoE1PcpsAmbiguousAcquisitionFpga(
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long fs_in_deprecated = configuration_->property("GNSS-SDR.internal_fs_hz", 4000000);
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long fs_in = configuration_->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
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float downsampling_factor = configuration_->property("GNSS-SDR.downsampling_factor", 4.0);
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float downsampling_factor = configuration_->property(role + ".downsampling_factor", 4.0);
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acq_parameters.downsampling_factor = downsampling_factor;
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//fs_in = fs_in/2.0; // downampling filter
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@ -50,7 +50,7 @@ GalileoE5aPcpsAcquisitionFpga::GalileoE5aPcpsAcquisitionFpga(ConfigurationInterf
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//printf("creating the E5A acquisition");
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pcpsconf_fpga_t acq_parameters;
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configuration_ = configuration;
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std::string default_item_type = "gr_complex";
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std::string default_item_type = "cshort";
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std::string default_dump_filename = "../data/acquisition.dat";
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DLOG(INFO) << "Role " << role;
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@ -59,6 +59,12 @@ GalileoE5aPcpsAcquisitionFpga::GalileoE5aPcpsAcquisitionFpga(ConfigurationInterf
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long fs_in_deprecated = configuration_->property("GNSS-SDR.internal_fs_hz", 32000000);
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long fs_in = configuration_->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
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float downsampling_factor = configuration_->property("GNSS-SDR.downsampling_factor", 1.0);
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acq_parameters.downsampling_factor = downsampling_factor;
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fs_in = fs_in/downsampling_factor;
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acq_parameters.fs_in = fs_in;
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//acq_parameters.freq = 0;
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@ -68,7 +74,9 @@ GalileoE5aPcpsAcquisitionFpga::GalileoE5aPcpsAcquisitionFpga(ConfigurationInterf
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doppler_max_ = configuration_->property(role + ".doppler_max", 5000);
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if (FLAGS_doppler_max != 0) doppler_max_ = FLAGS_doppler_max;
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acq_parameters.doppler_max = doppler_max_;
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unsigned int sampled_ms = 1;
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unsigned int sampled_ms = configuration_->property(role + ".coherent_integration_time_ms", 1);
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acq_parameters.sampled_ms = sampled_ms;
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//max_dwells_ = configuration_->property(role + ".max_dwells", 1);
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//acq_parameters.max_dwells = max_dwells_;
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//dump_filename_ = configuration_->property(role + ".dump_filename", default_dump_filename);
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@ -91,10 +99,11 @@ GalileoE5aPcpsAcquisitionFpga::GalileoE5aPcpsAcquisitionFpga(ConfigurationInterf
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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)));
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acq_parameters.code_length = code_length;
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// The FPGA can only use FFT lengths that are a power of two.
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float nbits = ceilf(log2f((float)code_length));
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float nbits = ceilf(log2f((float)code_length*2));
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unsigned int nsamples_total = pow(2, nbits);
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unsigned int vector_length = nsamples_total;
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unsigned int select_queue_Fpga = configuration_->property(role + ".select_queue_Fpga", 1);
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printf("select queue = %d\n", select_queue_Fpga);
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//printf("select_queue_Fpga = %d\n", select_queue_Fpga);
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acq_parameters.select_queue_Fpga = select_queue_Fpga;
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std::string default_device_name = "/dev/uio0";
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@ -137,8 +146,14 @@ GalileoE5aPcpsAcquisitionFpga::GalileoE5aPcpsAcquisitionFpga(ConfigurationInterf
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galileo_e5_a_code_gen_complex_sampled(code, signal_, PRN, fs_in, 0);
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for (int s = code_length; s < 2*code_length; s++)
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{
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code[s] = code[s - code_length];
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//code[s] = 0;
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}
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// fill in zero padding
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for (int s = code_length; s < nsamples_total; s++)
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for (int s = 2*code_length; s < nsamples_total; s++)
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{
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code[s] = std::complex<float>(static_cast<float>(0,0));
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//code[s] = 0;
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@ -162,8 +177,8 @@ GalileoE5aPcpsAcquisitionFpga::GalileoE5aPcpsAcquisitionFpga(ConfigurationInterf
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}
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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
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{
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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)),
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static_cast<int>(floor(fft_codes_padded[i].imag() * (pow(2, 15) - 1) / max)));
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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)),
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static_cast<int>(floor(fft_codes_padded[i].imag() * (pow(2, 5) - 1) / max)));
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}
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}
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@ -202,6 +217,8 @@ GalileoE5aPcpsAcquisitionFpga::GalileoE5aPcpsAcquisitionFpga(ConfigurationInterf
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//acquisition_fpga_ = pcps_make_acquisition_fpga(acq_parameters);
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//DLOG(INFO) << "acquisition(" << acquisition_fpga_->unique_id() << ")";
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acq_parameters.total_block_exp = 9;
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acquisition_fpga_ = pcps_make_acquisition_fpga(acq_parameters);
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DLOG(INFO) << "acquisition(" << acquisition_fpga_->unique_id() << ")";
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@ -54,14 +54,15 @@ GpsL1CaPcpsAcquisitionFpga::GpsL1CaPcpsAcquisitionFpga(
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{
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pcpsconf_fpga_t acq_parameters;
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configuration_ = configuration;
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std::string default_item_type = "gr_complex";
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std::string default_item_type = "cshort";
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DLOG(INFO) << "role " << role;
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long fs_in_deprecated = configuration_->property("GNSS-SDR.internal_fs_hz", 2048000);
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long fs_in = configuration_->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
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float downsampling_factor = configuration_->property("GNSS-SDR.downsampling_factor", 4.0);
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float downsampling_factor = configuration_->property(role + ".downsampling_factor", 4.0);
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printf("downsampling_factor = %f\n", downsampling_factor);
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acq_parameters.downsampling_factor = downsampling_factor;
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//fs_in = fs_in/2.0; // downampling filter
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//printf("fs_in pre downsampling = %ld\n", fs_in);
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@ -86,6 +87,7 @@ GpsL1CaPcpsAcquisitionFpga::GpsL1CaPcpsAcquisitionFpga(
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unsigned int vector_length = nsamples_total;
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//printf("acq adapter vector_length = %d\n", vector_length);
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unsigned int select_queue_Fpga = configuration_->property(role + ".select_queue_Fpga", 0);
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printf("select queue = %d\n", select_queue_Fpga);
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acq_parameters.select_queue_Fpga = select_queue_Fpga;
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std::string default_device_name = "/dev/uio0";
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std::string device_name = configuration_->property(role + ".devicename", default_device_name);
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@ -185,7 +187,7 @@ GpsL1CaPcpsAcquisitionFpga::GpsL1CaPcpsAcquisitionFpga(
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delete fft_if;
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delete[] fft_codes_padded;
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acq_parameters.total_block_exp = 0;
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acq_parameters.total_block_exp = 9;
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acquisition_fpga_ = pcps_make_acquisition_fpga(acq_parameters);
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DLOG(INFO) << "acquisition(" << acquisition_fpga_->unique_id() << ")";
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@ -50,7 +50,7 @@ GpsL5iPcpsAcquisitionFpga::GpsL5iPcpsAcquisitionFpga(
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//printf("L5 ACQ CLASS CREATED\n");
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pcpsconf_fpga_t acq_parameters;
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configuration_ = configuration;
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std::string default_item_type = "gr_complex";
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std::string default_item_type = "cshort";
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std::string default_dump_filename = "./data/acquisition.dat";
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LOG(INFO) << "role " << role;
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@ -60,7 +60,7 @@ GpsL5iPcpsAcquisitionFpga::GpsL5iPcpsAcquisitionFpga(
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long fs_in_deprecated = configuration_->property("GNSS-SDR.internal_fs_hz", 2048000);
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long fs_in = configuration_->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
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float downsampling_factor = configuration_->property("GNSS-SDR.downsampling_factor", 1.0);
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float downsampling_factor = configuration_->property(role + ".downsampling_factor", 1.0);
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acq_parameters.downsampling_factor = downsampling_factor;
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fs_in = fs_in/downsampling_factor;
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@ -93,22 +93,26 @@ GpsL5iPcpsAcquisitionFpga::GpsL5iPcpsAcquisitionFpga(
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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))));
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acq_parameters.code_length = code_length;
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// The FPGA can only use FFT lengths that are a power of two.
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float nbits = ceilf(log2f((float)code_length));
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float nbits = ceilf(log2f((float)code_length*2));
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unsigned int nsamples_total = pow(2, nbits);
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unsigned int vector_length = nsamples_total;
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unsigned int select_queue_Fpga = configuration_->property(role + ".select_queue_Fpga", 1);
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printf("select queue = %d\n", select_queue_Fpga);
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acq_parameters.select_queue_Fpga = select_queue_Fpga;
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std::string default_device_name = "/dev/uio0";
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std::string device_name = configuration_->property(role + ".devicename", default_device_name);
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acq_parameters.device_name = device_name;
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acq_parameters.samples_per_ms = nsamples_total;
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acq_parameters.samples_per_ms = nsamples_total/sampled_ms;
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acq_parameters.samples_per_code = nsamples_total;
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acq_parameters.excludelimit = static_cast<unsigned int>(std::round(static_cast<double>(fs_in) / GPS_L5i_CODE_RATE_HZ));
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//printf("L5 ACQ CLASS MID 01\n");
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// 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
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// a channel is assigned)
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gr::fft::fft_complex* fft_if = new gr::fft::fft_complex(vector_length, true); // Direct FFT
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gr::fft::fft_complex* fft_if = new gr::fft::fft_complex(nsamples_total, true); // Direct FFT
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//printf("L5 ACQ CLASS MID 02\n");
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std::complex<float>* code = new gr_complex[vector_length];
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std::complex<float>* code = new gr_complex[nsamples_total];
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//printf("L5 ACQ CLASS MID 03\n");
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gr_complex* fft_codes_padded = static_cast<gr_complex*>(volk_gnsssdr_malloc(nsamples_total * sizeof(gr_complex), volk_gnsssdr_get_alignment()));
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//printf("L5 ACQ CLASS MID 04\n");
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@ -123,7 +127,14 @@ GpsL5iPcpsAcquisitionFpga::GpsL5iPcpsAcquisitionFpga(
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gps_l5i_code_gen_complex_sampled(code, PRN, fs_in);
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//printf("L5 ACQ CLASS processing PRN = %d (cont) \n", PRN);
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// fill in zero padding
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for (int s = code_length; s < nsamples_total; s++)
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for (int s = code_length; s < 2*code_length; s++)
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{
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code[s] = code[s - code_length];
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//code[s] = 0;
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}
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for (int s = 2*code_length; s < nsamples_total; s++)
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{
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code[s] = std::complex<float>(static_cast<float>(0,0));
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//code[s] = 0;
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@ -152,8 +163,8 @@ GpsL5iPcpsAcquisitionFpga::GpsL5iPcpsAcquisitionFpga(
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// static_cast<int>(16*floor(fft_codes_padded[i].imag() * (pow(2, 11) - 1) / max)));
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//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)),
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// static_cast<int>(floor(fft_codes_padded[i].imag() * (pow(2, 15) - 1) / max)));
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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)),
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static_cast<int>(floor(fft_codes_padded[i].imag() * (pow(2, 15) - 1) / max)));
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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)),
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static_cast<int>(floor(fft_codes_padded[i].imag() * (pow(2, 5) - 1) / max)));
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}
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@ -196,6 +207,8 @@ GpsL5iPcpsAcquisitionFpga::GpsL5iPcpsAcquisitionFpga(
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// acquisition_fpga_ = pcps_make_acquisition(acq_parameters);
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// DLOG(INFO) << "acquisition(" << acquisition_fpga_->unique_id() << ")";
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acq_parameters.total_block_exp = 9;
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acquisition_fpga_ = pcps_make_acquisition_fpga(acq_parameters);
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DLOG(INFO) << "acquisition(" << acquisition_fpga_->unique_id() << ")";
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@ -334,6 +334,8 @@ void fpga_multicorrelator_8sc::set_channel(uint32_t channel)
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//printf("ppps opening device %s\n", device_io_name);
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printf("trk device_io_name = %s\n", device_io_name);
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if ((d_device_descriptor = open(device_io_name, O_RDWR | O_SYNC)) == -1)
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{
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LOG(WARNING) << "Cannot open deviceio" << device_io_name;
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