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Code Issues Releases Wiki Activity

Fix usage of resize instead of reserve

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This commit is contained in:
Carles Fernandez
2019-10-27 11:25:31 +01:00
parent b1166de1a0
commit 82089979fe
12 changed files with 78 additions and 111 deletions
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61
src/algorithms/acquisition/gnuradio_blocks/pcps_acquisition_fine_doppler_cc.cc
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@@ -47,10 +47,10 @@
#include <gnuradio/io_signature.h> #include <gnuradio/io_signature.h>
#include <matio.h> #include <matio.h>
#include <volk/volk.h> #include <volk/volk.h>
#include <volk_gnsssdr/volk_gnsssdr.h>
#include <algorithm> // std::rotate, std::fill_n #include <algorithm> // std::rotate, std::fill_n
#include <array> #include <array>
#include <sstream> #include <sstream>
#include <vector>
#if HAS_STD_FILESYSTEM #if HAS_STD_FILESYSTEM
#if HAS_STD_FILESYSTEM_EXPERIMENTAL #if HAS_STD_FILESYSTEM_EXPERIMENTAL
@@ -87,12 +87,9 @@ pcps_acquisition_fine_doppler_cc::pcps_acquisition_fine_doppler_cc(const Acq_Con
d_max_dwells = conf_.max_dwells; d_max_dwells = conf_.max_dwells;
d_gnuradio_forecast_samples = d_fft_size; d_gnuradio_forecast_samples = d_fft_size;
d_state = 0; d_state = 0;
d_carrier = static_cast<gr_complex *>(volk_gnsssdr_malloc(d_fft_size * sizeof(gr_complex), volk_gnsssdr_get_alignment())); d_fft_codes.resize(d_fft_size);
d_fft_codes = static_cast<gr_complex *>(volk_gnsssdr_malloc(d_fft_size * sizeof(gr_complex), volk_gnsssdr_get_alignment())); d_magnitude.resize(d_fft_size);
d_magnitude = static_cast<float *>(volk_gnsssdr_malloc(d_fft_size * sizeof(float), volk_gnsssdr_get_alignment())); d_10_ms_buffer.resize(50 * d_samples_per_ms);
d_10_ms_buffer = static_cast<gr_complex *>(volk_gnsssdr_malloc(50 * d_samples_per_ms * sizeof(gr_complex), volk_gnsssdr_get_alignment()));
// Direct FFT // Direct FFT
d_fft_if = std::make_shared<gr::fft::fft_complex>(d_fft_size, true); d_fft_if = std::make_shared<gr::fft::fft_complex>(d_fft_size, true);
@@ -175,7 +172,7 @@ void pcps_acquisition_fine_doppler_cc::set_doppler_step(unsigned int doppler_ste
d_num_doppler_points = floor(std::abs(2 * d_config_doppler_max) / d_doppler_step); d_num_doppler_points = floor(std::abs(2 * d_config_doppler_max) / d_doppler_step);
d_grid_data = std::vector<std::vector<float>>(d_num_doppler_points, std::vector<float>(d_fft_size)); d_grid_data = volk_gnsssdr::vector<volk_gnsssdr::vector<float>>(d_num_doppler_points, volk_gnsssdr::vector<float>(d_fft_size));
if (d_dump) if (d_dump)
{ {
@@ -186,21 +183,12 @@ void pcps_acquisition_fine_doppler_cc::set_doppler_step(unsigned int doppler_ste
} }
pcps_acquisition_fine_doppler_cc::~pcps_acquisition_fine_doppler_cc()
{
volk_gnsssdr_free(d_carrier);
volk_gnsssdr_free(d_fft_codes);
volk_gnsssdr_free(d_magnitude);
volk_gnsssdr_free(d_10_ms_buffer);
}
void pcps_acquisition_fine_doppler_cc::set_local_code(std::complex<float> *code) void pcps_acquisition_fine_doppler_cc::set_local_code(std::complex<float> *code)
{ {
memcpy(d_fft_if->get_inbuf(), code, sizeof(gr_complex) * d_fft_size); memcpy(d_fft_if->get_inbuf(), code, sizeof(gr_complex) * d_fft_size);
d_fft_if->execute(); // We need the FFT of local code d_fft_if->execute(); // We need the FFT of local code
// Conjugate the local code // Conjugate the local code
volk_32fc_conjugate_32fc(d_fft_codes, d_fft_if->get_outbuf(), d_fft_size); volk_32fc_conjugate_32fc(d_fft_codes.data(), d_fft_if->get_outbuf(), d_fft_size);
} }
@@ -247,7 +235,7 @@ void pcps_acquisition_fine_doppler_cc::update_carrier_wipeoff()
// create the carrier Doppler wipeoff signals // create the carrier Doppler wipeoff signals
int doppler_hz; int doppler_hz;
float phase_step_rad; float phase_step_rad;
d_grid_doppler_wipeoffs = std::vector<std::vector<std::complex<float>>>(d_num_doppler_points, std::vector<std::complex<float>>(d_fft_size)); d_grid_doppler_wipeoffs = volk_gnsssdr::vector<volk_gnsssdr::vector<std::complex<float>>>(d_num_doppler_points, volk_gnsssdr::vector<std::complex<float>>(d_fft_size));
for (int doppler_index = 0; doppler_index < d_num_doppler_points; doppler_index++) for (int doppler_index = 0; doppler_index < d_num_doppler_points; doppler_index++)
{ {
doppler_hz = d_doppler_step * doppler_index - d_config_doppler_max; doppler_hz = d_doppler_step * doppler_index - d_config_doppler_max;
@@ -338,8 +326,8 @@ float pcps_acquisition_fine_doppler_cc::estimate_input_power(gr_vector_const_voi
const auto *in = reinterpret_cast<const gr_complex *>(input_items[0]); // Get the input samples pointer const auto *in = reinterpret_cast<const gr_complex *>(input_items[0]); // Get the input samples pointer
// Compute the input signal power estimation // Compute the input signal power estimation
float power = 0; float power = 0;
volk_32fc_magnitude_squared_32f(d_magnitude, in, d_fft_size); volk_32fc_magnitude_squared_32f(d_magnitude.data(), in, d_fft_size);
volk_32f_accumulator_s32f(&power, d_magnitude, d_fft_size); volk_32f_accumulator_s32f(&power, d_magnitude.data(), d_fft_size);
power /= static_cast<float>(d_fft_size); power /= static_cast<float>(d_fft_size);
return power; return power;
} }
@@ -357,7 +345,7 @@ int pcps_acquisition_fine_doppler_cc::compute_and_accumulate_grid(gr_vector_cons
<< ", doppler_step: " << d_doppler_step; << ", doppler_step: " << d_doppler_step;
// 2- Doppler frequency search loop // 2- Doppler frequency search loop
auto *p_tmp_vector = static_cast<float *>(volk_gnsssdr_malloc(d_fft_size * sizeof(float), volk_gnsssdr_get_alignment())); volk_gnsssdr::vector<float> p_tmp_vector(d_fft_size);
for (int doppler_index = 0; doppler_index < d_num_doppler_points; doppler_index++) for (int doppler_index = 0; doppler_index < d_num_doppler_points; doppler_index++)
{ {
@@ -371,18 +359,17 @@ int pcps_acquisition_fine_doppler_cc::compute_and_accumulate_grid(gr_vector_cons
// Multiply carrier wiped--off, Fourier transformed incoming signal // Multiply carrier wiped--off, Fourier transformed incoming signal
// with the local FFT'd code reference using SIMD operations with VOLK library // with the local FFT'd code reference using SIMD operations with VOLK library
volk_32fc_x2_multiply_32fc(d_ifft->get_inbuf(), d_fft_if->get_outbuf(), d_fft_codes, d_fft_size); volk_32fc_x2_multiply_32fc(d_ifft->get_inbuf(), d_fft_if->get_outbuf(), d_fft_codes.data(), d_fft_size);
// compute the inverse FFT // compute the inverse FFT
d_ifft->execute(); d_ifft->execute();
// save the grid matrix delay file // save the grid matrix delay file
volk_32fc_magnitude_squared_32f(p_tmp_vector, d_ifft->get_outbuf(), d_fft_size); volk_32fc_magnitude_squared_32f(p_tmp_vector.data(), d_ifft->get_outbuf(), d_fft_size);
// accumulate grid values // accumulate grid values
volk_32f_x2_add_32f(d_grid_data[doppler_index].data(), d_grid_data[doppler_index].data(), p_tmp_vector, d_fft_size); volk_32f_x2_add_32f(d_grid_data[doppler_index].data(), d_grid_data[doppler_index].data(), p_tmp_vector.data(), d_fft_size);
} }
volk_gnsssdr_free(p_tmp_vector);
return d_fft_size; return d_fft_size;
// debug // debug
// std::cout << "iff=["; // std::cout << "iff=[";
@@ -408,39 +395,38 @@ int pcps_acquisition_fine_doppler_cc::estimate_Doppler()
std::fill_n(fft_operator->get_inbuf(), fft_size_extended, gr_complex(0.0, 0.0)); std::fill_n(fft_operator->get_inbuf(), fft_size_extended, gr_complex(0.0, 0.0));
// 1. generate local code aligned with the acquisition code phase estimation // 1. generate local code aligned with the acquisition code phase estimation
auto *code_replica = static_cast<gr_complex *>(volk_gnsssdr_malloc(signal_samples * sizeof(gr_complex), volk_gnsssdr_get_alignment())); volk_gnsssdr::vector<gr_complex> code_replica(signal_samples);
gps_l1_ca_code_gen_complex_sampled(gsl::span<gr_complex>(code_replica, signal_samples * sizeof(gr_complex)), d_gnss_synchro->PRN, d_fs_in, 0); gps_l1_ca_code_gen_complex_sampled(code_replica, d_gnss_synchro->PRN, d_fs_in, 0);
int shift_index = static_cast<int>(d_gnss_synchro->Acq_delay_samples); int shift_index = static_cast<int>(d_gnss_synchro->Acq_delay_samples);
// Rotate to align the local code replica using acquisition time delay estimation // Rotate to align the local code replica using acquisition time delay estimation
if (shift_index != 0) if (shift_index != 0)
{ {
std::rotate(code_replica, code_replica + (d_fft_size - shift_index), code_replica + d_fft_size - 1); std::rotate(code_replica.data(), code_replica.data() + (d_fft_size - shift_index), code_replica.data() + d_fft_size - 1);
} }
for (int n = 0; n < prn_replicas - 1; n++) for (int n = 0; n < prn_replicas - 1; n++)
{ {
memcpy(&code_replica[(n + 1) * d_fft_size], code_replica, d_fft_size * sizeof(gr_complex)); memcpy(&code_replica[(n + 1) * d_fft_size], code_replica.data(), d_fft_size * sizeof(gr_complex));
} }
// 2. Perform code wipe-off // 2. Perform code wipe-off
volk_32fc_x2_multiply_32fc(fft_operator->get_inbuf(), d_10_ms_buffer, code_replica, signal_samples); volk_32fc_x2_multiply_32fc(fft_operator->get_inbuf(), d_10_ms_buffer.data(), code_replica.data(), signal_samples);
// 3. Perform the FFT (zero padded!) // 3. Perform the FFT (zero padded!)
fft_operator->execute(); fft_operator->execute();
// 4. Compute the magnitude and find the maximum // 4. Compute the magnitude and find the maximum
auto *p_tmp_vector = static_cast<float *>(volk_gnsssdr_malloc(fft_size_extended * sizeof(float), volk_gnsssdr_get_alignment())); volk_gnsssdr::vector<float> p_tmp_vector(fft_size_extended);
volk_32fc_magnitude_squared_32f(p_tmp_vector.data(), fft_operator->get_outbuf(), fft_size_extended);
volk_32fc_magnitude_squared_32f(p_tmp_vector, fft_operator->get_outbuf(), fft_size_extended);
uint32_t tmp_index_freq = 0; uint32_t tmp_index_freq = 0;
volk_gnsssdr_32f_index_max_32u(&tmp_index_freq, p_tmp_vector, fft_size_extended); volk_gnsssdr_32f_index_max_32u(&tmp_index_freq, p_tmp_vector.data(), fft_size_extended);
// case even // case even
int counter = 0; int counter = 0;
auto fftFreqBins = std::vector<float>(fft_size_extended); auto fftFreqBins = volk_gnsssdr::vector<float>(fft_size_extended);
for (int k = 0; k < (fft_size_extended / 2); k++) for (int k = 0; k < (fft_size_extended / 2); k++)
{ {
@@ -466,9 +452,6 @@ int pcps_acquisition_fine_doppler_cc::estimate_Doppler()
DLOG(INFO) << "Error estimating fine frequency Doppler"; DLOG(INFO) << "Error estimating fine frequency Doppler";
} }
// free memory!!
volk_gnsssdr_free(code_replica);
volk_gnsssdr_free(p_tmp_vector);
return d_fft_size; return d_fft_size;
} }

18
src/algorithms/acquisition/gnuradio_blocks/pcps_acquisition_fine_doppler_cc.h
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@@ -60,12 +60,12 @@
#include <gnuradio/block.h> #include <gnuradio/block.h>
#include <gnuradio/fft/fft.h> #include <gnuradio/fft/fft.h>
#include <gnuradio/gr_complex.h> #include <gnuradio/gr_complex.h>
#include <volk_gnsssdr/volk_gnsssdr_alloc.h> // for volk_gnsssdr::vector
#include <cstdint> #include <cstdint>
#include <fstream> #include <fstream>
#include <memory> #include <memory>
#include <string> #include <string>
#include <utility> #include <utility>
#include <vector>
class pcps_acquisition_fine_doppler_cc; class pcps_acquisition_fine_doppler_cc;
@@ -83,7 +83,7 @@ public:
/*! /*!
* \brief Default destructor. * \brief Default destructor.
*/ */
~pcps_acquisition_fine_doppler_cc(); ~pcps_acquisition_fine_doppler_cc() = default;
/*! /*!
* \brief Set acquisition/tracking common Gnss_Synchro object pointer * \brief Set acquisition/tracking common Gnss_Synchro object pointer
@@ -192,8 +192,7 @@ public:
gr_vector_void_star& output_items); gr_vector_void_star& output_items);
private: private:
friend pcps_acquisition_fine_doppler_cc_sptr friend pcps_acquisition_fine_doppler_cc_sptr pcps_make_acquisition_fine_doppler_cc(const Acq_Conf& conf_);
pcps_make_acquisition_fine_doppler_cc(const Acq_Conf& conf_);
explicit pcps_acquisition_fine_doppler_cc(const Acq_Conf& conf_); explicit pcps_acquisition_fine_doppler_cc(const Acq_Conf& conf_);
int compute_and_accumulate_grid(gr_vector_const_void_star& input_items); int compute_and_accumulate_grid(gr_vector_const_void_star& input_items);
@@ -215,12 +214,11 @@ private:
int d_doppler_step; int d_doppler_step;
unsigned int d_fft_size; unsigned int d_fft_size;
uint64_t d_sample_counter; uint64_t d_sample_counter;
gr_complex* d_carrier; volk_gnsssdr::vector<gr_complex> d_fft_codes;
gr_complex* d_fft_codes; volk_gnsssdr::vector<gr_complex> d_10_ms_buffer;
gr_complex* d_10_ms_buffer; volk_gnsssdr::vector<float> d_magnitude;
float* d_magnitude; volk_gnsssdr::vector<volk_gnsssdr::vector<float>> d_grid_data;
std::vector<std::vector<float>> d_grid_data; volk_gnsssdr::vector<volk_gnsssdr::vector<std::complex<float>>> d_grid_doppler_wipeoffs;
std::vector<std::vector<std::complex<float>>> d_grid_doppler_wipeoffs;
std::shared_ptr<gr::fft::fft_complex> d_fft_if; std::shared_ptr<gr::fft::fft_complex> d_fft_if;
std::shared_ptr<gr::fft::fft_complex> d_ifft; std::shared_ptr<gr::fft::fft_complex> d_ifft;
Gnss_Synchro* d_gnss_synchro; Gnss_Synchro* d_gnss_synchro;

8
src/algorithms/tracking/gnuradio_blocks/galileo_e1_tcp_connector_tracking_cc.cc
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@@ -117,11 +117,11 @@ Galileo_E1_Tcp_Connector_Tracking_cc::Galileo_E1_Tcp_Connector_Tracking_cc(
// Initialization of local code replica // Initialization of local code replica
// Get space for a vector with the sinboc(1,1) replica sampled 2x/chip // Get space for a vector with the sinboc(1,1) replica sampled 2x/chip
d_ca_code.reserve(2 * GALILEO_E1_B_CODE_LENGTH_CHIPS); d_ca_code.resize(2 * GALILEO_E1_B_CODE_LENGTH_CHIPS);
// correlator outputs (scalar) // correlator outputs (scalar)
d_n_correlator_taps = 5; // Very-Early, Early, Prompt, Late, Very-Late d_n_correlator_taps = 5; // Very-Early, Early, Prompt, Late, Very-Late
d_correlator_outs.reserve(d_n_correlator_taps); d_correlator_outs.resize(d_n_correlator_taps);
std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0)); std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0));
// map memory pointers of correlator outputs // map memory pointers of correlator outputs
d_Very_Early = &d_correlator_outs[0]; d_Very_Early = &d_correlator_outs[0];
@@ -130,7 +130,7 @@ Galileo_E1_Tcp_Connector_Tracking_cc::Galileo_E1_Tcp_Connector_Tracking_cc(
d_Late = &d_correlator_outs[3]; d_Late = &d_correlator_outs[3];
d_Very_Late = &d_correlator_outs[4]; d_Very_Late = &d_correlator_outs[4];
d_local_code_shift_chips.reserve(d_n_correlator_taps); d_local_code_shift_chips.resize(d_n_correlator_taps);
// Set TAPs delay values [chips] // Set TAPs delay values [chips]
d_local_code_shift_chips[0] = -d_very_early_late_spc_chips; d_local_code_shift_chips[0] = -d_very_early_late_spc_chips;
d_local_code_shift_chips[1] = -d_early_late_spc_chips; d_local_code_shift_chips[1] = -d_early_late_spc_chips;
@@ -161,7 +161,7 @@ Galileo_E1_Tcp_Connector_Tracking_cc::Galileo_E1_Tcp_Connector_Tracking_cc(
// CN0 estimation and lock detector buffers // CN0 estimation and lock detector buffers
d_cn0_estimation_counter = 0; d_cn0_estimation_counter = 0;
d_Prompt_buffer = volk_gnsssdr::vector<gr_complex>(FLAGS_cn0_samples); d_Prompt_buffer.resize(FLAGS_cn0_samples);
d_carrier_lock_test = 1; d_carrier_lock_test = 1;
d_CN0_SNV_dB_Hz = 0; d_CN0_SNV_dB_Hz = 0;
d_carrier_lock_fail_counter = 0; d_carrier_lock_fail_counter = 0;

13
src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_c_aid_tracking_cc.cc
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@@ -62,8 +62,7 @@
#define CN0_ESTIMATION_SAMPLES 10 #define CN0_ESTIMATION_SAMPLES 10
glonass_l1_ca_dll_pll_c_aid_tracking_cc_sptr glonass_l1_ca_dll_pll_c_aid_tracking_cc_sptr glonass_l1_ca_dll_pll_c_aid_make_tracking_cc(
glonass_l1_ca_dll_pll_c_aid_make_tracking_cc(
int64_t fs_in, int64_t fs_in,
uint32_t vector_length, uint32_t vector_length,
bool dump, bool dump,
@@ -145,14 +144,14 @@ glonass_l1_ca_dll_pll_c_aid_tracking_cc::glonass_l1_ca_dll_pll_c_aid_tracking_cc
// Initialization of local code replica // Initialization of local code replica
// Get space for a vector with the C/A code replica sampled 1x/chip // Get space for a vector with the C/A code replica sampled 1x/chip
d_ca_code.reserve(static_cast<int32_t>(GLONASS_L1_CA_CODE_LENGTH_CHIPS)); d_ca_code.resize(static_cast<int32_t>(GLONASS_L1_CA_CODE_LENGTH_CHIPS));
// correlator outputs (scalar) // correlator outputs (scalar)
d_n_correlator_taps = 3; // Early, Prompt, and Late d_n_correlator_taps = 3; // Early, Prompt, and Late
d_correlator_outs.reserve(d_n_correlator_taps); d_correlator_outs.resize(d_n_correlator_taps);
std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0)); std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0));
d_local_code_shift_chips.reserve(d_n_correlator_taps); d_local_code_shift_chips.resize(d_n_correlator_taps);
// Set TAPs delay values [chips] // Set TAPs delay values [chips]
d_local_code_shift_chips[0] = -d_early_late_spc_chips; d_local_code_shift_chips[0] = -d_early_late_spc_chips;
d_local_code_shift_chips[1] = 0.0; d_local_code_shift_chips[1] = 0.0;
@@ -176,7 +175,7 @@ glonass_l1_ca_dll_pll_c_aid_tracking_cc::glonass_l1_ca_dll_pll_c_aid_tracking_cc
// CN0 estimation and lock detector buffers // CN0 estimation and lock detector buffers
d_cn0_estimation_counter = 0; d_cn0_estimation_counter = 0;
d_Prompt_buffer.reserve(FLAGS_cn0_samples); d_Prompt_buffer.resize(FLAGS_cn0_samples);
d_carrier_lock_test = 1; d_carrier_lock_test = 1;
d_CN0_SNV_dB_Hz = 0; d_CN0_SNV_dB_Hz = 0;
d_carrier_lock_fail_counter = 0; d_carrier_lock_fail_counter = 0;
@@ -274,7 +273,7 @@ void glonass_l1_ca_dll_pll_c_aid_tracking_cc::start_tracking()
d_code_loop_filter.initialize(); // initialize the code filter d_code_loop_filter.initialize(); // initialize the code filter
// generate local reference ALWAYS starting at chip 1 (1 sample per chip) // generate local reference ALWAYS starting at chip 1 (1 sample per chip)
glonass_l1_ca_code_gen_complex(d_ca_code, 0); glonass_l1_ca_code_gen_complex(gsl::span<gr_complex>(d_ca_code.data(), GLONASS_L1_CA_CODE_LENGTH_CHIPS), 0);
multicorrelator_cpu.set_local_code_and_taps(static_cast<int32_t>(GLONASS_L1_CA_CODE_LENGTH_CHIPS), d_ca_code.data(), d_local_code_shift_chips.data()); multicorrelator_cpu.set_local_code_and_taps(static_cast<int32_t>(GLONASS_L1_CA_CODE_LENGTH_CHIPS), d_ca_code.data(), d_local_code_shift_chips.data());
std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0)); std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0));

13
src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_c_aid_tracking_sc.cc
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@@ -60,8 +60,7 @@
#define CN0_ESTIMATION_SAMPLES 10 #define CN0_ESTIMATION_SAMPLES 10
glonass_l1_ca_dll_pll_c_aid_tracking_sc_sptr glonass_l1_ca_dll_pll_c_aid_tracking_sc_sptr glonass_l1_ca_dll_pll_c_aid_make_tracking_sc(
glonass_l1_ca_dll_pll_c_aid_make_tracking_sc(
int64_t fs_in, int64_t fs_in,
uint32_t vector_length, uint32_t vector_length,
bool dump, bool dump,
@@ -141,16 +140,16 @@ glonass_l1_ca_dll_pll_c_aid_tracking_sc::glonass_l1_ca_dll_pll_c_aid_tracking_sc
// Initialization of local code replica // Initialization of local code replica
// Get space for a vector with the C/A code replica sampled 1x/chip // Get space for a vector with the C/A code replica sampled 1x/chip
d_ca_code.reserve(static_cast<int32_t>(GLONASS_L1_CA_CODE_LENGTH_CHIPS)); d_ca_code.resize(static_cast<int32_t>(GLONASS_L1_CA_CODE_LENGTH_CHIPS));
d_ca_code_16sc.reserve(static_cast<int32_t>(GLONASS_L1_CA_CODE_LENGTH_CHIPS)); d_ca_code_16sc.resize(static_cast<int32_t>(GLONASS_L1_CA_CODE_LENGTH_CHIPS));
// correlator outputs (scalar) // correlator outputs (scalar)
d_n_correlator_taps = 3; // Early, Prompt, and Late d_n_correlator_taps = 3; // Early, Prompt, and Late
d_correlator_outs_16sc.reserve(d_n_correlator_taps); d_correlator_outs_16sc.resize(d_n_correlator_taps);
std::fill_n(d_correlator_outs_16sc.begin(), d_n_correlator_taps, lv_cmake(0, 0)); std::fill_n(d_correlator_outs_16sc.begin(), d_n_correlator_taps, lv_cmake(0, 0));
d_local_code_shift_chips.reserve(d_n_correlator_taps); d_local_code_shift_chips.resize(d_n_correlator_taps);
// Set TAPs delay values [chips] // Set TAPs delay values [chips]
d_local_code_shift_chips[0] = -d_early_late_spc_chips; d_local_code_shift_chips[0] = -d_early_late_spc_chips;
d_local_code_shift_chips[1] = 0.0; d_local_code_shift_chips[1] = 0.0;
@@ -174,7 +173,7 @@ glonass_l1_ca_dll_pll_c_aid_tracking_sc::glonass_l1_ca_dll_pll_c_aid_tracking_sc
// CN0 estimation and lock detector buffers // CN0 estimation and lock detector buffers
d_cn0_estimation_counter = 0; d_cn0_estimation_counter = 0;
d_Prompt_buffer.reserve(FLAGS_cn0_samples); d_Prompt_buffer.resize(FLAGS_cn0_samples);
d_carrier_lock_test = 1; d_carrier_lock_test = 1;
d_CN0_SNV_dB_Hz = 0; d_CN0_SNV_dB_Hz = 0;
d_carrier_lock_fail_counter = 0; d_carrier_lock_fail_counter = 0;

12
src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_tracking_cc.cc
View File

@@ -57,8 +57,7 @@
#define CN0_ESTIMATION_SAMPLES 10 #define CN0_ESTIMATION_SAMPLES 10
glonass_l1_ca_dll_pll_tracking_cc_sptr glonass_l1_ca_dll_pll_tracking_cc_sptr glonass_l1_ca_dll_pll_make_tracking_cc(
glonass_l1_ca_dll_pll_make_tracking_cc(
int64_t fs_in, int64_t fs_in,
uint32_t vector_length, uint32_t vector_length,
bool dump, bool dump,
@@ -111,14 +110,14 @@ Glonass_L1_Ca_Dll_Pll_Tracking_cc::Glonass_L1_Ca_Dll_Pll_Tracking_cc(
// Initialization of local code replica // Initialization of local code replica
// Get space for a vector with the C/A code replica sampled 1x/chip // Get space for a vector with the C/A code replica sampled 1x/chip
d_ca_code.reserve(static_cast<int32_t>(GLONASS_L1_CA_CODE_LENGTH_CHIPS)); d_ca_code.resize(static_cast<int32_t>(GLONASS_L1_CA_CODE_LENGTH_CHIPS));
// correlator outputs (scalar) // correlator outputs (scalar)
d_n_correlator_taps = 3; // Early, Prompt, and Late d_n_correlator_taps = 3; // Early, Prompt, and Late
d_correlator_outs.reserve(d_n_correlator_taps); d_correlator_outs.resize(d_n_correlator_taps);
std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0)); std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0));
d_local_code_shift_chips.reserve(d_n_correlator_taps); d_local_code_shift_chips.resize(d_n_correlator_taps);
// Set TAPs delay values [chips] // Set TAPs delay values [chips]
d_local_code_shift_chips[0] = -d_early_late_spc_chips; d_local_code_shift_chips[0] = -d_early_late_spc_chips;
d_local_code_shift_chips[1] = 0.0; d_local_code_shift_chips[1] = 0.0;
@@ -144,7 +143,7 @@ Glonass_L1_Ca_Dll_Pll_Tracking_cc::Glonass_L1_Ca_Dll_Pll_Tracking_cc(
// CN0 estimation and lock detector buffers // CN0 estimation and lock detector buffers
d_cn0_estimation_counter = 0; d_cn0_estimation_counter = 0;
d_Prompt_buffer.reserve(FLAGS_cn0_samples); d_Prompt_buffer.resize(FLAGS_cn0_samples);
d_carrier_lock_test = 1; d_carrier_lock_test = 1;
d_CN0_SNV_dB_Hz = 0; d_CN0_SNV_dB_Hz = 0;
d_carrier_lock_fail_counter = 0; d_carrier_lock_fail_counter = 0;
@@ -226,6 +225,7 @@ void Glonass_L1_Ca_Dll_Pll_Tracking_cc::start_tracking()
d_code_loop_filter.initialize(); // initialize the code filter d_code_loop_filter.initialize(); // initialize the code filter
// generate local reference ALWAYS starting at chip 1 (1 sample per chip) // generate local reference ALWAYS starting at chip 1 (1 sample per chip)
//glonass_l1_ca_code_gen_complex(gsl::span<gr_complex>(d_ca_code.data(), GLONASS_L1_CA_CODE_LENGTH_CHIPS), 0);
glonass_l1_ca_code_gen_complex(d_ca_code, 0); glonass_l1_ca_code_gen_complex(d_ca_code, 0);
multicorrelator_cpu.set_local_code_and_taps(static_cast<int32_t>(GLONASS_L1_CA_CODE_LENGTH_CHIPS), d_ca_code.data(), d_local_code_shift_chips.data()); multicorrelator_cpu.set_local_code_and_taps(static_cast<int32_t>(GLONASS_L1_CA_CODE_LENGTH_CHIPS), d_ca_code.data(), d_local_code_shift_chips.data());

12
src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_c_aid_tracking_cc.cc
View File

@@ -58,8 +58,7 @@
#define CN0_ESTIMATION_SAMPLES 10 #define CN0_ESTIMATION_SAMPLES 10
glonass_l2_ca_dll_pll_c_aid_tracking_cc_sptr glonass_l2_ca_dll_pll_c_aid_tracking_cc_sptr glonass_l2_ca_dll_pll_c_aid_make_tracking_cc(
glonass_l2_ca_dll_pll_c_aid_make_tracking_cc(
int64_t fs_in, int64_t fs_in,
uint32_t vector_length, uint32_t vector_length,
bool dump, bool dump,
@@ -141,14 +140,14 @@ glonass_l2_ca_dll_pll_c_aid_tracking_cc::glonass_l2_ca_dll_pll_c_aid_tracking_cc
// Initialization of local code replica // Initialization of local code replica
// Get space for a vector with the C/A code replica sampled 1x/chip // Get space for a vector with the C/A code replica sampled 1x/chip
d_ca_code.reserve(static_cast<int32_t>(GLONASS_L2_CA_CODE_LENGTH_CHIPS)); d_ca_code.resize(static_cast<int32_t>(GLONASS_L2_CA_CODE_LENGTH_CHIPS));
// correlator outputs (scalar) // correlator outputs (scalar)
d_n_correlator_taps = 3; // Early, Prompt, and Late d_n_correlator_taps = 3; // Early, Prompt, and Late
d_correlator_outs.reserve(d_n_correlator_taps); d_correlator_outs.resize(d_n_correlator_taps);
std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0)); std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0));
d_local_code_shift_chips.reserve(d_n_correlator_taps); d_local_code_shift_chips.resize(d_n_correlator_taps);
// Set TAPs delay values [chips] // Set TAPs delay values [chips]
d_local_code_shift_chips[0] = -d_early_late_spc_chips; d_local_code_shift_chips[0] = -d_early_late_spc_chips;
d_local_code_shift_chips[1] = 0.0; d_local_code_shift_chips[1] = 0.0;
@@ -172,7 +171,7 @@ glonass_l2_ca_dll_pll_c_aid_tracking_cc::glonass_l2_ca_dll_pll_c_aid_tracking_cc
// CN0 estimation and lock detector buffers // CN0 estimation and lock detector buffers
d_cn0_estimation_counter = 0; d_cn0_estimation_counter = 0;
d_Prompt_buffer.reserve(FLAGS_cn0_samples); d_Prompt_buffer.resize(FLAGS_cn0_samples);
d_carrier_lock_test = 1; d_carrier_lock_test = 1;
d_CN0_SNV_dB_Hz = 0; d_CN0_SNV_dB_Hz = 0;
d_carrier_lock_fail_counter = 0; d_carrier_lock_fail_counter = 0;
@@ -264,7 +263,6 @@ void glonass_l2_ca_dll_pll_c_aid_tracking_cc::start_tracking()
d_carrier_doppler_hz = d_acq_carrier_doppler_hz; d_carrier_doppler_hz = d_acq_carrier_doppler_hz;
d_carrier_phase_step_rad = GLONASS_TWO_PI * d_carrier_frequency_hz / static_cast<double>(d_fs_in); d_carrier_phase_step_rad = GLONASS_TWO_PI * d_carrier_frequency_hz / static_cast<double>(d_fs_in);
// DLL/PLL filter initialization // DLL/PLL filter initialization
d_carrier_loop_filter.initialize(d_carrier_frequency_hz); // The carrier loop filter implements the Doppler accumulator d_carrier_loop_filter.initialize(d_carrier_frequency_hz); // The carrier loop filter implements the Doppler accumulator
d_code_loop_filter.initialize(); // initialize the code filter d_code_loop_filter.initialize(); // initialize the code filter

13
src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_c_aid_tracking_sc.cc
View File

@@ -58,8 +58,7 @@
#define CN0_ESTIMATION_SAMPLES 10 #define CN0_ESTIMATION_SAMPLES 10
glonass_l2_ca_dll_pll_c_aid_tracking_sc_sptr glonass_l2_ca_dll_pll_c_aid_tracking_sc_sptr glonass_l2_ca_dll_pll_c_aid_make_tracking_sc(
glonass_l2_ca_dll_pll_c_aid_make_tracking_sc(
int64_t fs_in, int64_t fs_in,
uint32_t vector_length, uint32_t vector_length,
bool dump, bool dump,
@@ -139,16 +138,16 @@ glonass_l2_ca_dll_pll_c_aid_tracking_sc::glonass_l2_ca_dll_pll_c_aid_tracking_sc
// Initialization of local code replica // Initialization of local code replica
// Get space for a vector with the C/A code replica sampled 1x/chip // Get space for a vector with the C/A code replica sampled 1x/chip
d_ca_code.reserve(static_cast<int32_t>(GLONASS_L2_CA_CODE_LENGTH_CHIPS)); d_ca_code.resize(static_cast<int32_t>(GLONASS_L2_CA_CODE_LENGTH_CHIPS));
d_ca_code_16sc.reserve(static_cast<int32_t>(GLONASS_L2_CA_CODE_LENGTH_CHIPS)); d_ca_code_16sc.resize(static_cast<int32_t>(GLONASS_L2_CA_CODE_LENGTH_CHIPS));
// correlator outputs (scalar) // correlator outputs (scalar)
d_n_correlator_taps = 3; // Early, Prompt, and Late d_n_correlator_taps = 3; // Early, Prompt, and Late
d_correlator_outs_16sc.reserve(d_n_correlator_taps); d_correlator_outs_16sc.resize(d_n_correlator_taps);
std::fill_n(d_correlator_outs_16sc.begin(), d_n_correlator_taps, lv_cmake(0, 0)); std::fill_n(d_correlator_outs_16sc.begin(), d_n_correlator_taps, lv_cmake(0, 0));
d_local_code_shift_chips.reserve(d_n_correlator_taps); d_local_code_shift_chips.resize(d_n_correlator_taps);
// Set TAPs delay values [chips] // Set TAPs delay values [chips]
d_local_code_shift_chips[0] = -d_early_late_spc_chips; d_local_code_shift_chips[0] = -d_early_late_spc_chips;
d_local_code_shift_chips[1] = 0.0; d_local_code_shift_chips[1] = 0.0;
@@ -172,7 +171,7 @@ glonass_l2_ca_dll_pll_c_aid_tracking_sc::glonass_l2_ca_dll_pll_c_aid_tracking_sc
// CN0 estimation and lock detector buffers // CN0 estimation and lock detector buffers
d_cn0_estimation_counter = 0; d_cn0_estimation_counter = 0;
d_Prompt_buffer.reserve(FLAGS_cn0_samples); d_Prompt_buffer.resize(FLAGS_cn0_samples);
d_carrier_lock_test = 1; d_carrier_lock_test = 1;
d_CN0_SNV_dB_Hz = 0; d_CN0_SNV_dB_Hz = 0;
d_carrier_lock_fail_counter = 0; d_carrier_lock_fail_counter = 0;

13
src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_tracking_cc.cc
View File

@@ -58,8 +58,7 @@
#define CN0_ESTIMATION_SAMPLES 10 #define CN0_ESTIMATION_SAMPLES 10
glonass_l2_ca_dll_pll_tracking_cc_sptr glonass_l2_ca_dll_pll_tracking_cc_sptr glonass_l2_ca_dll_pll_make_tracking_cc(
glonass_l2_ca_dll_pll_make_tracking_cc(
int64_t fs_in, int64_t fs_in,
uint32_t vector_length, uint32_t vector_length,
bool dump, bool dump,
@@ -112,14 +111,14 @@ Glonass_L2_Ca_Dll_Pll_Tracking_cc::Glonass_L2_Ca_Dll_Pll_Tracking_cc(
// Initialization of local code replica // Initialization of local code replica
// Get space for a vector with the C/A code replica sampled 1x/chip // Get space for a vector with the C/A code replica sampled 1x/chip
d_ca_code.reserve(static_cast<int32_t>(GLONASS_L2_CA_CODE_LENGTH_CHIPS)); d_ca_code.resize(static_cast<int32_t>(GLONASS_L2_CA_CODE_LENGTH_CHIPS));
// correlator outputs (scalar) // correlator outputs (scalar)
d_n_correlator_taps = 3; // Early, Prompt, and Late d_n_correlator_taps = 3; // Early, Prompt, and Late
d_correlator_outs.reserve(d_n_correlator_taps); d_correlator_outs.resize(d_n_correlator_taps);
std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0)); std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0));
d_local_code_shift_chips.reserve(d_n_correlator_taps); d_local_code_shift_chips.resize(d_n_correlator_taps);
// Set TAPs delay values [chips] // Set TAPs delay values [chips]
d_local_code_shift_chips[0] = -d_early_late_spc_chips; d_local_code_shift_chips[0] = -d_early_late_spc_chips;
d_local_code_shift_chips[1] = 0.0; d_local_code_shift_chips[1] = 0.0;
@@ -145,7 +144,7 @@ Glonass_L2_Ca_Dll_Pll_Tracking_cc::Glonass_L2_Ca_Dll_Pll_Tracking_cc(
// CN0 estimation and lock detector buffers // CN0 estimation and lock detector buffers
d_cn0_estimation_counter = 0; d_cn0_estimation_counter = 0;
d_Prompt_buffer.reserve(FLAGS_cn0_samples); d_Prompt_buffer.resize(FLAGS_cn0_samples);
d_carrier_lock_test = 1; d_carrier_lock_test = 1;
d_CN0_SNV_dB_Hz = 0; d_CN0_SNV_dB_Hz = 0;
d_carrier_lock_fail_counter = 0; d_carrier_lock_fail_counter = 0;
@@ -227,7 +226,7 @@ void Glonass_L2_Ca_Dll_Pll_Tracking_cc::start_tracking()
d_code_loop_filter.initialize(); // initialize the code filter d_code_loop_filter.initialize(); // initialize the code filter
// generate local reference ALWAYS starting at chip 1 (1 sample per chip) // generate local reference ALWAYS starting at chip 1 (1 sample per chip)
glonass_l2_ca_code_gen_complex(d_ca_code, 0); glonass_l2_ca_code_gen_complex(gsl::span<gr_complex>(d_ca_code.data(), GLONASS_L2_CA_CODE_LENGTH_CHIPS), 0);
multicorrelator_cpu.set_local_code_and_taps(static_cast<int32_t>(GLONASS_L2_CA_CODE_LENGTH_CHIPS), d_ca_code.data(), d_local_code_shift_chips.data()); multicorrelator_cpu.set_local_code_and_taps(static_cast<int32_t>(GLONASS_L2_CA_CODE_LENGTH_CHIPS), d_ca_code.data(), d_local_code_shift_chips.data());
std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0)); std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0));

11
src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_kf_tracking_cc.cc
View File

@@ -59,8 +59,7 @@
#include <vector> #include <vector>
gps_l1_ca_kf_tracking_cc_sptr gps_l1_ca_kf_tracking_cc_sptr gps_l1_ca_kf_make_tracking_cc(
gps_l1_ca_kf_make_tracking_cc(
uint32_t order, uint32_t order,
int64_t if_freq, int64_t if_freq,
int64_t fs_in, int64_t fs_in,
@@ -129,14 +128,14 @@ Gps_L1_Ca_Kf_Tracking_cc::Gps_L1_Ca_Kf_Tracking_cc(
// Initialization of local code replica // Initialization of local code replica
// Get space for a vector with the C/A code replica sampled 1x/chip // Get space for a vector with the C/A code replica sampled 1x/chip
d_ca_code.reserve(static_cast<int>(GPS_L1_CA_CODE_LENGTH_CHIPS)); d_ca_code.resize(static_cast<int>(GPS_L1_CA_CODE_LENGTH_CHIPS));
// correlator outputs (scalar) // correlator outputs (scalar)
d_n_correlator_taps = 3; // Early, Prompt, and Late d_n_correlator_taps = 3; // Early, Prompt, and Late
d_correlator_outs.reserve(d_n_correlator_taps); d_correlator_outs.resize(d_n_correlator_taps);
std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0)); std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0));
d_local_code_shift_chips.reserve(d_n_correlator_taps); d_local_code_shift_chips.resize(d_n_correlator_taps);
// Set TAPs delay values [chips] // Set TAPs delay values [chips]
d_local_code_shift_chips[0] = -d_early_late_spc_chips; d_local_code_shift_chips[0] = -d_early_late_spc_chips;
d_local_code_shift_chips[1] = 0.0; d_local_code_shift_chips[1] = 0.0;
@@ -163,7 +162,7 @@ Gps_L1_Ca_Kf_Tracking_cc::Gps_L1_Ca_Kf_Tracking_cc(
// CN0 estimation and lock detector buffers // CN0 estimation and lock detector buffers
d_cn0_estimation_counter = 0; d_cn0_estimation_counter = 0;
d_Prompt_buffer.reserve(FLAGS_cn0_samples); d_Prompt_buffer.resize(FLAGS_cn0_samples);
d_carrier_lock_test = 1; d_carrier_lock_test = 1;
d_CN0_SNV_dB_Hz = 0; d_CN0_SNV_dB_Hz = 0;
d_carrier_lock_fail_counter = 0; d_carrier_lock_fail_counter = 0;

8
src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_tcp_connector_tracking_cc.cc
View File

@@ -104,11 +104,11 @@ Gps_L1_Ca_Tcp_Connector_Tracking_cc::Gps_L1_Ca_Tcp_Connector_Tracking_cc(
// Initialization of local code replica // Initialization of local code replica
// Get space for a vector with the C/A code replica sampled 1x/chip // Get space for a vector with the C/A code replica sampled 1x/chip
d_ca_code.reserve(GPS_L1_CA_CODE_LENGTH_CHIPS); d_ca_code.resize(GPS_L1_CA_CODE_LENGTH_CHIPS);
// correlator outputs (scalar) // correlator outputs (scalar)
d_n_correlator_taps = 3; // Very-Early, Early, Prompt, Late, Very-Late d_n_correlator_taps = 3; // Very-Early, Early, Prompt, Late, Very-Late
d_correlator_outs.reserve(d_n_correlator_taps); d_correlator_outs.resize(d_n_correlator_taps);
std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0)); std::fill_n(d_correlator_outs.begin(), d_n_correlator_taps, gr_complex(0.0, 0.0));
// map memory pointers of correlator outputs // map memory pointers of correlator outputs
@@ -116,7 +116,7 @@ Gps_L1_Ca_Tcp_Connector_Tracking_cc::Gps_L1_Ca_Tcp_Connector_Tracking_cc(
d_Prompt = &d_correlator_outs[1]; d_Prompt = &d_correlator_outs[1];
d_Late = &d_correlator_outs[2]; d_Late = &d_correlator_outs[2];
d_local_code_shift_chips.reserve(d_n_correlator_taps); d_local_code_shift_chips.resize(d_n_correlator_taps);
// Set TAPs delay values [chips] // Set TAPs delay values [chips]
d_local_code_shift_chips[0] = -d_early_late_spc_chips; d_local_code_shift_chips[0] = -d_early_late_spc_chips;
d_local_code_shift_chips[1] = 0.0; d_local_code_shift_chips[1] = 0.0;
@@ -146,7 +146,7 @@ Gps_L1_Ca_Tcp_Connector_Tracking_cc::Gps_L1_Ca_Tcp_Connector_Tracking_cc(
// CN0 estimation and lock detector buffers // CN0 estimation and lock detector buffers
d_cn0_estimation_counter = 0; d_cn0_estimation_counter = 0;
d_Prompt_buffer.reserve(FLAGS_cn0_samples); d_Prompt_buffer.resize(FLAGS_cn0_samples);
d_carrier_lock_test = 1; d_carrier_lock_test = 1;
d_CN0_SNV_dB_Hz = 0; d_CN0_SNV_dB_Hz = 0;
d_carrier_lock_fail_counter = 0; d_carrier_lock_fail_counter = 0;

7
src/tests/unit-tests/signal-processing-blocks/tracking/glonass_l1_ca_dll_pll_c_aid_tracking_test.cc
View File

@@ -39,7 +39,6 @@
#include "gnss_synchro.h" #include "gnss_synchro.h"
#include "in_memory_configuration.h" #include "in_memory_configuration.h"
#include "tracking_interface.h" #include "tracking_interface.h"
#include <gnuradio/analog/sig_source_waveform.h>
#include <gnuradio/blocks/file_source.h> #include <gnuradio/blocks/file_source.h>
#include <gnuradio/blocks/null_sink.h> #include <gnuradio/blocks/null_sink.h>
#include <gnuradio/blocks/skiphead.h> #include <gnuradio/blocks/skiphead.h>
@@ -47,11 +46,6 @@
#include <gtest/gtest.h> #include <gtest/gtest.h>
#include <chrono> #include <chrono>
#include <utility> #include <utility>
#ifdef GR_GREATER_38
#include <gnuradio/analog/sig_source.h>
#else
#include <gnuradio/analog/sig_source_c.h>
#endif
// ######## GNURADIO BLOCK MESSAGE RECEVER ######### // ######## GNURADIO BLOCK MESSAGE RECEVER #########
class GlonassL1CaDllPllCAidTrackingTest_msg_rx; class GlonassL1CaDllPllCAidTrackingTest_msg_rx;
@@ -179,7 +173,6 @@ TEST_F(GlonassL1CaDllPllCAidTrackingTest, ValidationOfResults)
}) << "Failure connecting tracking to the top_block."; }) << "Failure connecting tracking to the top_block.";
ASSERT_NO_THROW({ ASSERT_NO_THROW({
gr::analog::sig_source_c::sptr sin_source = gr::analog::sig_source_c::make(fs_in, gr::analog::GR_SIN_WAVE, 1000, 1, gr_complex(0));
std::string path = std::string(TEST_PATH); std::string path = std::string(TEST_PATH);
std::string file = path + "signal_samples/NT1065_GLONASS_L1_20160831_fs6625e6_if0e3_4ms.bin"; std::string file = path + "signal_samples/NT1065_GLONASS_L1_20160831_fs6625e6_if0e3_4ms.bin";
const char* file_name = file.c_str(); const char* file_name = file.c_str();