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https://github.com/gnss-sdr/gnss-sdr
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Added Tracking Files
This commit is contained in:
piyush0411
parent
b32a2e271e
commit
7d1ec9b0e9
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@ -43,6 +43,7 @@ set(TRACKING_ADAPTER_SOURCES
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gps_l1_ca_dll_pll_tracking.cc
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gps_l1_ca_tcp_connector_tracking.cc
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galileo_e5a_dll_pll_tracking.cc
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galileo_e5b_dll_pll_tracking.cc
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gps_l2_m_dll_pll_tracking.cc
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glonass_l1_ca_dll_pll_tracking.cc
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glonass_l1_ca_dll_pll_c_aid_tracking.cc
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@ -61,6 +62,7 @@ set(TRACKING_ADAPTER_HEADERS
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gps_l1_ca_dll_pll_tracking.h
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gps_l1_ca_tcp_connector_tracking.h
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galileo_e5a_dll_pll_tracking.h
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galileo_e5b_dll_pll_tracking.h
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gps_l2_m_dll_pll_tracking.h
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glonass_l1_ca_dll_pll_tracking.h
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glonass_l1_ca_dll_pll_c_aid_tracking.h
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145
src/algorithms/tracking/adapters/galileo_e5b_dll_pll_tracking.cc
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145
src/algorithms/tracking/adapters/galileo_e5b_dll_pll_tracking.cc
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@ -0,0 +1,145 @@
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/*!
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* \file galileo_e5b_dll_pll_tracking.cc
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* \brief Adapts a code DLL + carrier PLL
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* tracking block to a TrackingInterface for Galileo E5b signals
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* \author Piyush Gupta, 2020. piyush04111999@gmail.com
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* \based on work from:
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* <ul>
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* <li> Javier Arribas, 2011. jarribas@cttc.es
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* <li> Luis Esteve, 2012. luis@epsilon-formacion.com
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* <li> Marc Sales, 2014. marcsales92@gmail.com
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* </ul>
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2020 (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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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* -------------------------------------------------------------------------
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*/
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#include "galileo_e5b_dll_pll_tracking.h"
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#include "Galileo_E5b.h"
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#include "configuration_interface.h"
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#include "display.h"
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#include "dll_pll_conf.h"
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#include "gnss_sdr_flags.h"
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#include <glog/logging.h>
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#include <array>
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GalileoE5bDllPllTracking::GalileoE5bDllPllTracking(
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const ConfigurationInterface* configuration, const std::string& role,
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unsigned int in_streams, unsigned int out_streams) : role_(role), in_streams_(in_streams), out_streams_(out_streams)
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{
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Dll_Pll_Conf trk_params = Dll_Pll_Conf();
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DLOG(INFO) << "role " << role;
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trk_params.SetFromConfiguration(configuration, role);
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auto vector_length = static_cast<int>(std::round(trk_params.fs_in / (GALILEO_E5B_CODE_CHIP_RATE_CPS / GALILEO_E5B_CODE_LENGTH_CHIPS)));
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trk_params.vector_length = vector_length;
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if (trk_params.extend_correlation_symbols < 1)
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{
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trk_params.extend_correlation_symbols = 1;
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std::cout << TEXT_RED << "WARNING: Galileo E5b. extend_correlation_symbols must be bigger than 0. Coherent integration has been set to 1 symbol (1 ms)" << TEXT_RESET << '\n';
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}
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else if (!trk_params.track_pilot and trk_params.extend_correlation_symbols > GALILEO_E5B_I_SECONDARY_CODE_LENGTH)
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{
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trk_params.extend_correlation_symbols = GALILEO_E5B_I_SECONDARY_CODE_LENGTH;
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std::cout << TEXT_RED << "WARNING: Galileo E5b. extend_correlation_symbols must be lower than 5 when tracking the data component. Coherent integration has been set to 4 symbols (4 ms)" << TEXT_RESET << '\n';
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}
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if ((trk_params.extend_correlation_symbols > 1) and (trk_params.pll_bw_narrow_hz > trk_params.pll_bw_hz or trk_params.dll_bw_narrow_hz > trk_params.dll_bw_hz))
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{
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std::cout << TEXT_RED << "WARNING: Galileo E5b. PLL or DLL narrow tracking bandwidth is higher than wide tracking one" << TEXT_RESET << '\n';
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}
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trk_params.system = 'E';
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std::array<char, 3> sig_{'7', 'X', '\0'};
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std::memcpy(trk_params.signal, sig_.data(), 3);
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// ################# Make a GNU Radio Tracking block object ################
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if (trk_params.item_type == "gr_complex")
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{
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item_size_ = sizeof(gr_complex);
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tracking_ = dll_pll_veml_make_tracking(trk_params);
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}
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else
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{
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item_size_ = sizeof(gr_complex);
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LOG(WARNING) << trk_params.item_type << " unknown tracking item type.";
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}
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channel_ = 0;
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DLOG(INFO) << "tracking(" << tracking_->unique_id() << ")";
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if (in_streams_ > 1)
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{
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LOG(ERROR) << "This implementation only supports one input stream";
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}
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if (out_streams_ > 1)
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{
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LOG(ERROR) << "This implementation only supports one output stream";
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}
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}
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void GalileoE5bDllPllTracking::stop_tracking()
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{
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tracking_->stop_tracking();
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}
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void GalileoE5bDllPllTracking::start_tracking()
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{
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tracking_->start_tracking();
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}
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/*
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* Set tracking channel unique ID
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*/
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void GalileoE5bDllPllTracking::set_channel(unsigned int channel)
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{
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channel_ = channel;
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tracking_->set_channel(channel);
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}
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void GalileoE5bDllPllTracking::set_gnss_synchro(Gnss_Synchro* p_gnss_synchro)
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{
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tracking_->set_gnss_synchro(p_gnss_synchro);
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}
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void GalileoE5bDllPllTracking::connect(gr::top_block_sptr top_block)
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{
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if (top_block)
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{
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/* top_block is not null */
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};
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// nothing to connect, now the tracking uses gr_sync_decimator
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}
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void GalileoE5bDllPllTracking::disconnect(gr::top_block_sptr top_block)
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{
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if (top_block)
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{
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/* top_block is not null */
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};
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// nothing to disconnect, now the tracking uses gr_sync_decimator
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}
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gr::basic_block_sptr GalileoE5bDllPllTracking::get_left_block()
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{
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return tracking_;
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}
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gr::basic_block_sptr GalileoE5bDllPllTracking::get_right_block()
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{
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return tracking_;
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}
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113
src/algorithms/tracking/adapters/galileo_e5b_dll_pll_tracking.h
Normal file
113
src/algorithms/tracking/adapters/galileo_e5b_dll_pll_tracking.h
Normal file
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@ -0,0 +1,113 @@
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/*!
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* \file galileo_e5b_dll_pll_tracking.h
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* \brief Adapts a code DLL + carrier PLL
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* tracking block to a TrackingInterface for Galileo E5b signals
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* \author Piyush Gupta, 2020. piyush04111999@gmail.com
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* \based on work from:
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* <ul>
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* <li> Javier Arribas, 2011. jarribas@cttc.es
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* <li> Luis Esteve, 2012. luis@epsilon-formacion.com
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* <li> Marc Sales, 2014. marcsales92@gmail.com
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* </ul>
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2020 (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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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* -------------------------------------------------------------------------
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*/
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#ifndef GNSS_SDR_GALILEO_E5B_DLL_PLL_TRACKING_H
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#define GNSS_SDR_GALILEO_E5B_DLL_PLL_TRACKING_H
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#include "dll_pll_veml_tracking.h"
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#include "tracking_interface.h"
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#include <string>
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class ConfigurationInterface;
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/*!
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* \brief This class implements a code DLL + carrier PLL tracking loop
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*/
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class GalileoE5bDllPllTracking : public TrackingInterface
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{
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public:
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GalileoE5bDllPllTracking(
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const ConfigurationInterface* configuration,
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const std::string& role,
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unsigned int in_streams,
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unsigned int out_streams);
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~GalileoE5bDllPllTracking() = default;
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inline std::string role() override
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{
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return role_;
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}
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//! Returns "Galileo_E5b_DLL_PLL_Tracking"
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inline std::string implementation() override
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{
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return "Galileo_E5b_DLL_PLL_Tracking";
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}
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inline size_t item_size() override
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{
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return item_size_;
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}
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/*!
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* \brief Connect
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*/
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void connect(gr::top_block_sptr top_block) override;
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/*!
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* \brief Disconnect
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*/
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void disconnect(gr::top_block_sptr top_block) override;
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/*!
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* \brief Get left block
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*/
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gr::basic_block_sptr get_left_block() override;
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/*!
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* \brief Get right block
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*/
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gr::basic_block_sptr get_right_block() override;
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/*!
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* \brief Set tracking channel unique ID
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*/
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void set_channel(unsigned int channel) override;
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/*!
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* \brief Set acquisition/tracking common Gnss_Synchro object pointer
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* to efficiently exchange synchronization data between acquisition and tracking blocks
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*/
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void set_gnss_synchro(Gnss_Synchro* p_gnss_synchro) override;
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void start_tracking() override;
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/*!
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* \brief Stop running tracking
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*/
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void stop_tracking() override;
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private:
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dll_pll_veml_tracking_sptr tracking_;
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size_t item_size_;
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unsigned int channel_;
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std::string role_;
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unsigned int in_streams_;
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unsigned int out_streams_;
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};
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#endif // GNSS_SDR_GALILEO_E5B_DLL_PLL_TRACKING_H
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