mirror of https://github.com/gnss-sdr/gnss-sdr
109 lines
3.8 KiB
C++
109 lines
3.8 KiB
C++
/*!
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* \file hybrid_observables_gs.h
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* \brief Interface of the observables computation block
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* \author Mara Branzanti 2013. mara.branzanti(at)gmail.com
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* \author Javier Arribas 2013. jarribas(at)cttc.es
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* \author Antonio Ramos 2018. antonio.ramos(at)cttc.es
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2019 (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 <https://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#ifndef GNSS_SDR_HYBRID_OBSERVABLES_GS_H
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#define GNSS_SDR_HYBRID_OBSERVABLES_GS_H
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#include <boost/circular_buffer.hpp> // for boost::circular_buffer
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#include <boost/shared_ptr.hpp> // for boost::shared_ptr
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#include <gnuradio/block.h> // for block
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#include <gnuradio/types.h> // for gr_vector_int
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#include <cstdint> // for int32_t
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#include <fstream> // for string, ofstream
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#include <memory> // for shared_ptr
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#include <string>
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#include <vector>
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class Gnss_Synchro;
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class hybrid_observables_gs;
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template <class T>
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class Gnss_circular_deque;
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using hybrid_observables_gs_sptr = boost::shared_ptr<hybrid_observables_gs>;
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hybrid_observables_gs_sptr hybrid_observables_gs_make(
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unsigned int nchannels_in,
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unsigned int nchannels_out,
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bool dump,
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bool dump_mat,
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const std::string& dump_filename);
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/*!
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* \brief This class implements a block that computes observables
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*/
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class hybrid_observables_gs : public gr::block
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{
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public:
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~hybrid_observables_gs();
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void forecast(int noutput_items, gr_vector_int& ninput_items_required);
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int general_work(int noutput_items, gr_vector_int& ninput_items,
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gr_vector_const_void_star& input_items, gr_vector_void_star& output_items);
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private:
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friend hybrid_observables_gs_sptr hybrid_observables_gs_make(
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uint32_t nchannels_in,
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uint32_t nchannels_out,
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bool dump,
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bool dump_mat,
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const std::string& dump_filename);
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hybrid_observables_gs(
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uint32_t nchannels_in,
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uint32_t nchannels_out,
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bool dump,
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bool dump_mat,
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const std::string& dump_filename);
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bool T_rx_TOW_set; // rx time follow GPST
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bool d_dump;
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bool d_dump_mat;
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uint32_t T_rx_TOW_ms;
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uint32_t T_rx_step_ms;
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uint32_t T_status_report_timer_ms;
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uint32_t d_nchannels_in;
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uint32_t d_nchannels_out;
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std::string d_dump_filename;
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std::ofstream d_dump_file;
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boost::circular_buffer<uint64_t> d_Rx_clock_buffer; // time history
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std::shared_ptr<Gnss_circular_deque<Gnss_Synchro>> d_gnss_synchro_history; // Tracking observable history
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void msg_handler_pvt_to_observables(const pmt::pmt_t& msg);
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double compute_T_rx_s(const Gnss_Synchro& a);
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bool interp_trk_obs(Gnss_Synchro& interpolated_obs, const uint32_t& ch, const uint64_t& rx_clock);
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void update_TOW(const std::vector<Gnss_Synchro>& data);
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void compute_pranges(std::vector<Gnss_Synchro>& data);
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int32_t save_matfile();
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};
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#endif
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