mirror of https://github.com/gnss-sdr/gnss-sdr
536 lines
25 KiB
C++
Executable File
536 lines
25 KiB
C++
Executable File
/*!
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* \file galileo_e1_dll_pll_veml_tracking_cc.cc
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* \brief Implementation of a code DLL + carrier PLL VEML (Very Early
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* Minus Late) tracking block for Galileo E1 signals
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* \author Luis Esteve, 2012. luis(at)epsilon-formacion.com
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*
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* Code DLL + carrier PLL according to the algorithms described in:
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* [1] K.Borre, D.M.Akos, N.Bertelsen, P.Rinder, and S.H.Jensen,
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* A Software-Defined GPS and Galileo Receiver. A Single-Frequency
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* Approach, Birkhauser, 2007
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* GNSS-SDR is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GNSS-SDR is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#include "galileo_e1_dll_pll_veml_tracking_cc.h"
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#include <cmath>
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#include <iostream>
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#include <memory>
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#include <sstream>
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#include <boost/lexical_cast.hpp>
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#include <gnuradio/io_signature.h>
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#include <glog/logging.h>
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#include <volk/volk.h>
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#include "galileo_e1_signal_processing.h"
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#include "tracking_discriminators.h"
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#include "lock_detectors.h"
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#include "Galileo_E1.h"
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#include "control_message_factory.h"
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/*!
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* \todo Include in definition header file
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*/
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#define CN0_ESTIMATION_SAMPLES 20
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#define MINIMUM_VALID_CN0 25
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#define MAXIMUM_LOCK_FAIL_COUNTER 50
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#define CARRIER_LOCK_THRESHOLD 0.85
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using google::LogMessage;
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galileo_e1_dll_pll_veml_tracking_cc_sptr
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galileo_e1_dll_pll_veml_make_tracking_cc(
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long if_freq,
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long fs_in,
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unsigned int vector_length,
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boost::shared_ptr<gr::msg_queue> queue,
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bool dump,
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std::string dump_filename,
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float pll_bw_hz,
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float dll_bw_hz,
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float early_late_space_chips,
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float very_early_late_space_chips)
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{
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return galileo_e1_dll_pll_veml_tracking_cc_sptr(new galileo_e1_dll_pll_veml_tracking_cc(if_freq,
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fs_in, vector_length, queue, dump, dump_filename, pll_bw_hz, dll_bw_hz, early_late_space_chips, very_early_late_space_chips));
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}
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void galileo_e1_dll_pll_veml_tracking_cc::forecast (int noutput_items,
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gr_vector_int &ninput_items_required)
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{
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if (noutput_items != 0)
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{
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ninput_items_required[0] = static_cast<int>(d_vector_length) * 2; //set the required available samples in each call
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}
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}
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galileo_e1_dll_pll_veml_tracking_cc::galileo_e1_dll_pll_veml_tracking_cc(
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long if_freq,
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long fs_in,
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unsigned int vector_length,
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boost::shared_ptr<gr::msg_queue> queue,
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bool dump,
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std::string dump_filename,
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float pll_bw_hz,
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float dll_bw_hz,
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float early_late_space_chips,
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float very_early_late_space_chips):
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gr::block("galileo_e1_dll_pll_veml_tracking_cc", gr::io_signature::make(1, 1, sizeof(gr_complex)),
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gr::io_signature::make(1, 1, sizeof(Gnss_Synchro)))
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{
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// Telemetry bit synchronization message port input
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this->message_port_register_in(pmt::mp("preamble_timestamp_s"));
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this->set_relative_rate(1.0 / vector_length);
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this->message_port_register_out(pmt::mp("events"));
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// initialize internal vars
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d_queue = queue;
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d_dump = dump;
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d_if_freq = if_freq;
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d_fs_in = fs_in;
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d_vector_length = vector_length;
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d_dump_filename = dump_filename;
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d_code_loop_filter = Tracking_2nd_DLL_filter(Galileo_E1_CODE_PERIOD);
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d_carrier_loop_filter = Tracking_2nd_PLL_filter(Galileo_E1_CODE_PERIOD);
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// Initialize tracking ==========================================
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// Set bandwidth of code and carrier loop filters
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d_code_loop_filter.set_DLL_BW(dll_bw_hz);
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d_carrier_loop_filter.set_PLL_BW(pll_bw_hz);
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// Correlator spacing
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d_early_late_spc_chips = early_late_space_chips; // Define early-late offset (in chips)
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d_very_early_late_spc_chips = very_early_late_space_chips; // Define very-early-late offset (in chips)
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// Initialization of local code replica
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// Get space for a vector with the sinboc(1,1) replica sampled 2x/chip
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d_ca_code = static_cast<gr_complex*>(volk_malloc((2 * Galileo_E1_B_CODE_LENGTH_CHIPS) * sizeof(gr_complex), volk_get_alignment()));
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// correlator outputs (scalar)
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d_n_correlator_taps = 5; // Very-Early, Early, Prompt, Late, Very-Late
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d_correlator_outs = static_cast<gr_complex*>(volk_malloc(d_n_correlator_taps * sizeof(gr_complex), volk_get_alignment()));
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for (int n = 0; n < d_n_correlator_taps; n++)
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{
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d_correlator_outs[n] = gr_complex(0,0);
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}
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// map memory pointers of correlator outputs
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d_Very_Early = &d_correlator_outs[0];
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d_Early = &d_correlator_outs[1];
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d_Prompt = &d_correlator_outs[2];
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d_Late = &d_correlator_outs[3];
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d_Very_Late = &d_correlator_outs[4];
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d_local_code_shift_chips = static_cast<float*>(volk_malloc(d_n_correlator_taps * sizeof(float), volk_get_alignment()));
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// Set TAPs delay values [chips]
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d_local_code_shift_chips[0] = - d_very_early_late_spc_chips * 2.0;
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d_local_code_shift_chips[1] = - d_very_early_late_spc_chips;
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d_local_code_shift_chips[2] = 0.0;
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d_local_code_shift_chips[3] = d_very_early_late_spc_chips;
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d_local_code_shift_chips[4] = d_very_early_late_spc_chips * 2.0;
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d_correlation_length_samples = d_vector_length;
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multicorrelator_cpu.init(2 * d_correlation_length_samples, d_n_correlator_taps);
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//--- Initializations ------------------------------
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// Initial code frequency basis of NCO
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d_code_freq_chips = static_cast<double>(Galileo_E1_CODE_CHIP_RATE_HZ);
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// Residual code phase (in chips)
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d_rem_code_phase_samples = 0.0;
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// Residual carrier phase
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d_rem_carr_phase_rad = 0.0;
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// sample synchronization
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d_sample_counter = 0;
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//d_sample_counter_seconds = 0;
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d_acq_sample_stamp = 0;
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d_enable_tracking = false;
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d_pull_in = false;
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d_current_prn_length_samples = static_cast<int>(d_vector_length);
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// CN0 estimation and lock detector buffers
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d_cn0_estimation_counter = 0;
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d_Prompt_buffer = new gr_complex[CN0_ESTIMATION_SAMPLES];
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d_carrier_lock_test = 1;
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d_CN0_SNV_dB_Hz = 0;
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d_carrier_lock_fail_counter = 0;
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d_carrier_lock_threshold = CARRIER_LOCK_THRESHOLD;
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systemName["E"] = std::string("Galileo");
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*d_Very_Early = gr_complex(0,0);
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*d_Early = gr_complex(0,0);
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*d_Prompt = gr_complex(0,0);
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*d_Late = gr_complex(0,0);
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*d_Very_Late = gr_complex(0,0);
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d_acquisition_gnss_synchro = 0;
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d_channel = 0;
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d_acq_code_phase_samples = 0.0;
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d_acq_carrier_doppler_hz = 0.0;
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d_carrier_doppler_hz = 0.0;
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d_acc_carrier_phase_rad = 0.0;
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d_acc_code_phase_secs = 0.0;
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}
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void galileo_e1_dll_pll_veml_tracking_cc::start_tracking()
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{
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d_acq_code_phase_samples = d_acquisition_gnss_synchro->Acq_delay_samples;
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d_acq_carrier_doppler_hz = d_acquisition_gnss_synchro->Acq_doppler_hz;
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d_acq_sample_stamp = d_acquisition_gnss_synchro->Acq_samplestamp_samples;
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// DLL/PLL filter initialization
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d_carrier_loop_filter.initialize(); // initialize the carrier filter
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d_code_loop_filter.initialize(); // initialize the code filter
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// generate local reference ALWAYS starting at chip 1 (2 samples per chip)
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galileo_e1_code_gen_complex_sampled(d_ca_code,
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d_acquisition_gnss_synchro->Signal,
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false,
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d_acquisition_gnss_synchro->PRN,
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2 * Galileo_E1_CODE_CHIP_RATE_HZ,
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0);
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multicorrelator_cpu.set_local_code_and_taps(static_cast<int>(2 * Galileo_E1_B_CODE_LENGTH_CHIPS), d_ca_code, d_local_code_shift_chips);
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for (int n = 0; n < d_n_correlator_taps; n++)
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{
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d_correlator_outs[n] = gr_complex(0,0);
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}
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d_carrier_lock_fail_counter = 0;
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d_rem_code_phase_samples = 0.0;
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d_rem_carr_phase_rad = 0.0;
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d_acc_carrier_phase_rad = 0.0;
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d_acc_code_phase_secs = 0.0;
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d_carrier_doppler_hz = d_acq_carrier_doppler_hz;
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d_current_prn_length_samples = d_vector_length;
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std::string sys_ = &d_acquisition_gnss_synchro->System;
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sys = sys_.substr(0, 1);
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// DEBUG OUTPUT
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std::cout << "Tracking start on channel " << d_channel << " for satellite " << Gnss_Satellite(systemName[sys], d_acquisition_gnss_synchro->PRN) << std::endl;
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LOG(INFO) << "Starting tracking of satellite " << Gnss_Satellite(systemName[sys], d_acquisition_gnss_synchro->PRN) << " on channel " << d_channel;
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// enable tracking
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d_pull_in = true;
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d_enable_tracking = true;
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LOG(INFO) << "PULL-IN Doppler [Hz]=" << d_carrier_doppler_hz
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<< " PULL-IN Code Phase [samples]=" << d_acq_code_phase_samples;
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}
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galileo_e1_dll_pll_veml_tracking_cc::~galileo_e1_dll_pll_veml_tracking_cc()
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{
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d_dump_file.close();
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volk_free(d_local_code_shift_chips);
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volk_free(d_correlator_outs);
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volk_free(d_ca_code);
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delete[] d_Prompt_buffer;
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multicorrelator_cpu.free();
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}
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int galileo_e1_dll_pll_veml_tracking_cc::general_work (int noutput_items __attribute__((unused)), gr_vector_int &ninput_items __attribute__((unused)),
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gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
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{
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double carr_error_hz = 0.0;
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double carr_error_filt_hz = 0.0;
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double code_error_chips = 0.0;
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double code_error_filt_chips = 0.0;
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// Block input data and block output stream pointers
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const gr_complex* in = (gr_complex*) input_items[0];
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Gnss_Synchro **out = (Gnss_Synchro **) &output_items[0];
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// GNSS_SYNCHRO OBJECT to interchange data between tracking->telemetry_decoder
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Gnss_Synchro current_synchro_data = Gnss_Synchro();
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if (d_enable_tracking == true)
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{
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// Fill the acquisition data
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current_synchro_data = *d_acquisition_gnss_synchro;
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if (d_pull_in == true)
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{
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/*
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* Signal alignment (skip samples until the incoming signal is aligned with local replica)
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*/
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int samples_offset;
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double acq_trk_shif_correction_samples;
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int acq_to_trk_delay_samples;
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acq_to_trk_delay_samples = d_sample_counter - d_acq_sample_stamp;
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acq_trk_shif_correction_samples = d_current_prn_length_samples - std::fmod(static_cast<double>(acq_to_trk_delay_samples), static_cast<double>(d_current_prn_length_samples));
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samples_offset = std::round(d_acq_code_phase_samples + acq_trk_shif_correction_samples);
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current_synchro_data.Tracking_timestamp_secs = (static_cast<double>(d_sample_counter) + static_cast<double>(d_rem_code_phase_samples)) / static_cast<double>(d_fs_in);
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*out[0] = current_synchro_data;
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d_sample_counter = d_sample_counter + samples_offset; //count for the processed samples
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d_pull_in = false;
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consume_each(samples_offset); //shift input to perform alignment with local replica
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return 1;
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}
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// ################# CARRIER WIPEOFF AND CORRELATORS ##############################
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// perform carrier wipe-off and compute Early, Prompt and Late correlation
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multicorrelator_cpu.set_input_output_vectors(d_correlator_outs,in);
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double carr_phase_step_rad = GALILEO_TWO_PI * d_carrier_doppler_hz / static_cast<double>(d_fs_in);
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double code_phase_step_half_chips = (2.0 * d_code_freq_chips) / (static_cast<double>(d_fs_in));
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double rem_code_phase_half_chips = d_rem_code_phase_samples * (2.0*d_code_freq_chips / d_fs_in);
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multicorrelator_cpu.Carrier_wipeoff_multicorrelator_resampler(
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d_rem_carr_phase_rad,
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carr_phase_step_rad,
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rem_code_phase_half_chips,
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code_phase_step_half_chips,
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d_correlation_length_samples);
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// ################## PLL ##########################################################
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// PLL discriminator
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carr_error_hz = pll_cloop_two_quadrant_atan(*d_Prompt) / GALILEO_TWO_PI;
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// Carrier discriminator filter
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carr_error_filt_hz = d_carrier_loop_filter.get_carrier_nco(carr_error_hz);
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// New carrier Doppler frequency estimation
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d_carrier_doppler_hz = d_acq_carrier_doppler_hz + carr_error_filt_hz;
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// New code Doppler frequency estimation
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d_code_freq_chips = Galileo_E1_CODE_CHIP_RATE_HZ + ((d_carrier_doppler_hz * Galileo_E1_CODE_CHIP_RATE_HZ) / Galileo_E1_FREQ_HZ);
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//carrier phase accumulator for (K) Doppler estimation-
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d_acc_carrier_phase_rad -= GALILEO_TWO_PI * d_carrier_doppler_hz * static_cast<double>(d_current_prn_length_samples) / static_cast<double>(d_fs_in);
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//remnant carrier phase to prevent overflow in the code NCO
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d_rem_carr_phase_rad = d_rem_carr_phase_rad + GALILEO_TWO_PI * d_carrier_doppler_hz * static_cast<double>(d_current_prn_length_samples) / static_cast<double>(d_fs_in);
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d_rem_carr_phase_rad = std::fmod(d_rem_carr_phase_rad, GALILEO_TWO_PI);
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// ################## DLL ##########################################################
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// DLL discriminator
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code_error_chips = dll_nc_vemlp_normalized(*d_Very_Early, *d_Early, *d_Late, *d_Very_Late); //[chips/Ti]
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// Code discriminator filter
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code_error_filt_chips = d_code_loop_filter.get_code_nco(code_error_chips); //[chips/second]
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//Code phase accumulator
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double code_error_filt_secs;
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code_error_filt_secs = (Galileo_E1_CODE_PERIOD * code_error_filt_chips) / Galileo_E1_CODE_CHIP_RATE_HZ; //[seconds]
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//code_error_filt_secs=T_prn_seconds*code_error_filt_chips*T_chip_seconds*static_cast<float>(d_fs_in); //[seconds]
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d_acc_code_phase_secs = d_acc_code_phase_secs + code_error_filt_secs;
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// ################## CARRIER AND CODE NCO BUFFER ALIGNEMENT #######################
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// keep alignment parameters for the next input buffer
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double T_chip_seconds;
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double T_prn_seconds;
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double T_prn_samples;
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double K_blk_samples;
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// Compute the next buffer length based in the new period of the PRN sequence and the code phase error estimation
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T_chip_seconds = 1.0 / d_code_freq_chips;
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T_prn_seconds = T_chip_seconds * Galileo_E1_B_CODE_LENGTH_CHIPS;
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T_prn_samples = T_prn_seconds * static_cast<double>(d_fs_in);
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K_blk_samples = T_prn_samples + d_rem_code_phase_samples + code_error_filt_secs * static_cast<double>(d_fs_in);
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d_current_prn_length_samples = std::round(K_blk_samples); //round to a discrete samples
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//d_rem_code_phase_samples = K_blk_samples - d_current_prn_length_samples; //rounding error < 1 sample
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// ####### CN0 ESTIMATION AND LOCK DETECTORS ######
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if (d_cn0_estimation_counter < CN0_ESTIMATION_SAMPLES)
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{
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// fill buffer with prompt correlator output values
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d_Prompt_buffer[d_cn0_estimation_counter] = *d_Prompt;
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d_cn0_estimation_counter++;
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}
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else
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{
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d_cn0_estimation_counter = 0;
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// Code lock indicator
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d_CN0_SNV_dB_Hz = cn0_svn_estimator(d_Prompt_buffer, CN0_ESTIMATION_SAMPLES, d_fs_in, Galileo_E1_B_CODE_LENGTH_CHIPS);
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// Carrier lock indicator
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d_carrier_lock_test = carrier_lock_detector(d_Prompt_buffer, CN0_ESTIMATION_SAMPLES);
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// Loss of lock detection
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if (d_carrier_lock_test < d_carrier_lock_threshold or d_CN0_SNV_dB_Hz < MINIMUM_VALID_CN0)
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{
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d_carrier_lock_fail_counter++;
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}
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else
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{
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if (d_carrier_lock_fail_counter > 0) d_carrier_lock_fail_counter--;
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}
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if (d_carrier_lock_fail_counter > MAXIMUM_LOCK_FAIL_COUNTER)
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{
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|
std::cout << "Loss of lock in channel " << d_channel << "!" << std::endl;
|
|
LOG(INFO) << "Loss of lock in channel " << d_channel << "!";
|
|
pmt::pmt_t value = pmt::from_long(3);//3 -> loss of lock
|
|
this->message_port_pub(pmt::mp("events"), value);
|
|
|
|
// std::unique_ptr<ControlMessageFactory> cmf(new ControlMessageFactory());
|
|
// if (d_queue != gr::msg_queue::sptr())
|
|
// {
|
|
// d_queue->handle(cmf->GetQueueMessage(d_channel, 2));
|
|
// }
|
|
d_carrier_lock_fail_counter = 0;
|
|
d_enable_tracking = false; // TODO: check if disabling tracking is consistent with the channel state machine
|
|
}
|
|
}
|
|
|
|
// ########### Output the tracking results to Telemetry block ##########
|
|
|
|
current_synchro_data.Prompt_I = static_cast<double>((*d_Prompt).real());
|
|
current_synchro_data.Prompt_Q = static_cast<double>((*d_Prompt).imag());
|
|
// Tracking_timestamp_secs is aligned with the CURRENT PRN start sample (Hybridization OK!)
|
|
current_synchro_data.Tracking_timestamp_secs = (static_cast<double>(d_sample_counter) + static_cast<double>(d_rem_code_phase_samples)) / static_cast<double>(d_fs_in);
|
|
//compute remnant code phase samples AFTER the Tracking timestamp
|
|
d_rem_code_phase_samples = K_blk_samples - d_current_prn_length_samples; //rounding error < 1 sample
|
|
// This tracking block aligns the Tracking_timestamp_secs with the start sample of the PRN, thus, Code_phase_secs=0
|
|
current_synchro_data.Code_phase_secs = 0;
|
|
current_synchro_data.Carrier_phase_rads = d_acc_carrier_phase_rad;
|
|
current_synchro_data.Carrier_Doppler_hz = d_carrier_doppler_hz;
|
|
current_synchro_data.CN0_dB_hz = d_CN0_SNV_dB_Hz;
|
|
current_synchro_data.Flag_valid_symbol_output = true;
|
|
current_synchro_data.correlation_length_ms = 4;
|
|
|
|
}
|
|
else
|
|
{
|
|
*d_Early = gr_complex(0,0);
|
|
*d_Prompt = gr_complex(0,0);
|
|
*d_Late = gr_complex(0,0);
|
|
// GNSS_SYNCHRO OBJECT to interchange data between tracking->telemetry_decoder
|
|
current_synchro_data.Tracking_timestamp_secs = (static_cast<double>(d_sample_counter) + static_cast<double>(d_rem_code_phase_samples)) / static_cast<double>(d_fs_in);
|
|
}
|
|
//assign the GNURadio block output data
|
|
current_synchro_data.System = {'E'};
|
|
std::string str_aux = "1B";
|
|
const char * str = str_aux.c_str(); // get a C style null terminated string
|
|
std::memcpy((void*)current_synchro_data.Signal, str, 3);
|
|
*out[0] = current_synchro_data;
|
|
|
|
if(d_dump)
|
|
{
|
|
// Dump results to file
|
|
float prompt_I;
|
|
float prompt_Q;
|
|
float tmp_VE, tmp_E, tmp_P, tmp_L, tmp_VL;
|
|
float tmp_float;
|
|
double tmp_double;
|
|
prompt_I = (*d_Prompt).real();
|
|
prompt_Q = (*d_Prompt).imag();
|
|
tmp_VE = std::abs<float>(*d_Very_Early);
|
|
tmp_E = std::abs<float>(*d_Early);
|
|
tmp_P = std::abs<float>(*d_Prompt);
|
|
tmp_L = std::abs<float>(*d_Late);
|
|
tmp_VL = std::abs<float>(*d_Very_Late);
|
|
|
|
try
|
|
{
|
|
// Dump correlators output
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_VE), sizeof(float));
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_E), sizeof(float));
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_P), sizeof(float));
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_L), sizeof(float));
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_VL), sizeof(float));
|
|
// PROMPT I and Q (to analyze navigation symbols)
|
|
d_dump_file.write(reinterpret_cast<char*>(&prompt_I), sizeof(float));
|
|
d_dump_file.write(reinterpret_cast<char*>(&prompt_Q), sizeof(float));
|
|
// PRN start sample stamp
|
|
d_dump_file.write(reinterpret_cast<char*>(&d_sample_counter), sizeof(unsigned long int));
|
|
// accumulated carrier phase
|
|
tmp_float = d_acc_carrier_phase_rad;
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_float), sizeof(float));
|
|
// carrier and code frequency
|
|
tmp_float = d_carrier_doppler_hz;
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_float), sizeof(float));
|
|
tmp_float = d_code_freq_chips;
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_float), sizeof(float));
|
|
//PLL commands
|
|
tmp_float = carr_error_hz;
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_float), sizeof(float));
|
|
tmp_float = carr_error_filt_hz;
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_float), sizeof(float));
|
|
//DLL commands
|
|
tmp_float = code_error_chips;
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_float), sizeof(float));
|
|
tmp_float = code_error_filt_chips;
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_float), sizeof(float));
|
|
// CN0 and carrier lock test
|
|
tmp_float = d_CN0_SNV_dB_Hz;
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_float), sizeof(float));
|
|
tmp_float = d_carrier_lock_test;
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_float), sizeof(float));
|
|
// AUX vars (for debug purposes)
|
|
tmp_float = d_rem_code_phase_samples;
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_float), sizeof(float));
|
|
tmp_double = static_cast<double>(d_sample_counter + d_current_prn_length_samples);
|
|
d_dump_file.write(reinterpret_cast<char*>(&tmp_double), sizeof(double));
|
|
}
|
|
catch (const std::ifstream::failure &e)
|
|
{
|
|
LOG(WARNING) << "Exception writing trk dump file " << e.what() << std::endl;
|
|
}
|
|
}
|
|
consume_each(d_current_prn_length_samples); // this is required for gr_block derivates
|
|
d_sample_counter += d_current_prn_length_samples; //count for the processed samples
|
|
|
|
return 1; //output tracking result ALWAYS even in the case of d_enable_tracking==false
|
|
}
|
|
|
|
|
|
|
|
void galileo_e1_dll_pll_veml_tracking_cc::set_channel(unsigned int channel)
|
|
{
|
|
d_channel = channel;
|
|
LOG(INFO) << "Tracking Channel set to " << d_channel;
|
|
// ############# ENABLE DATA FILE LOG #################
|
|
if (d_dump == true)
|
|
{
|
|
if (d_dump_file.is_open() == false)
|
|
{
|
|
try
|
|
{
|
|
d_dump_filename.append(boost::lexical_cast<std::string>(d_channel));
|
|
d_dump_filename.append(".dat");
|
|
d_dump_file.exceptions (std::ifstream::failbit | std::ifstream::badbit);
|
|
d_dump_file.open(d_dump_filename.c_str(), std::ios::out | std::ios::binary);
|
|
LOG(INFO) << "Tracking dump enabled on channel " << d_channel << " Log file: " << d_dump_filename.c_str();
|
|
}
|
|
catch (const std::ifstream::failure &e)
|
|
{
|
|
LOG(WARNING) << "channel " << d_channel << " Exception opening trk dump file " << e.what() << std::endl;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
void galileo_e1_dll_pll_veml_tracking_cc::set_gnss_synchro(Gnss_Synchro* p_gnss_synchro)
|
|
{
|
|
d_acquisition_gnss_synchro = p_gnss_synchro;
|
|
}
|