mirror of https://github.com/gnss-sdr/gnss-sdr
213 lines
6.7 KiB
C++
213 lines
6.7 KiB
C++
/*!
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* \file galileo_fnav_message.h
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* \brief Implementation of a Galileo F/NAV Data message
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* as described in Galileo OS SIS ICD Issue 1.2 (Nov. 2015)
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* \author Marc Sales, 2014. marcsales92(at)gmail.com
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* \based on work from:
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* <ul>
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* <li> Javier Arribas, 2011. jarribas(at)cttc.es
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* </ul>
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*
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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_GALILEO_FNAV_MESSAGE_H_
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#define GNSS_SDR_GALILEO_FNAV_MESSAGE_H_
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#include "Galileo_E5a.h"
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#include "galileo_almanac_helper.h"
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#include "galileo_ephemeris.h"
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#include "galileo_iono.h"
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#include "galileo_utc_model.h"
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#include <bitset>
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#include <cstdint>
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#include <string>
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#include <utility>
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#include <vector>
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/*!
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* \brief This class handles the Galileo F/NAV Data message, as described in the
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* Galileo Open Service Signal in Space Interface Control Document (OS SIS ICD), Issue 1.2 (Nov 2015).
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* See https://www.gsc-europa.eu/system/files/galileo_documents/Galileo_OS_SIS_ICD.pdf
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*/
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class Galileo_Fnav_Message
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{
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public:
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void split_page(const std::string& page_string);
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void reset();
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bool have_new_ephemeris();
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bool have_new_iono_and_GST();
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bool have_new_utc_model();
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bool have_new_almanac();
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Galileo_Ephemeris get_ephemeris();
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Galileo_Iono get_iono();
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Galileo_Utc_Model get_utc_model();
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Galileo_Almanac_Helper get_almanac();
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Galileo_Fnav_Message();
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bool flag_CRC_test;
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bool flag_all_ephemeris; //!< Flag indicating that all words containing ephemeris have been received
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bool flag_ephemeris_1; //!< Flag indicating that ephemeris 1/3 (word 2) have been received
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bool flag_ephemeris_2; //!< Flag indicating that ephemeris 2/3 (word 3) have been received
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bool flag_ephemeris_3; //!< Flag indicating that ephemeris 3/3 (word 4) have been received
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bool flag_iono_and_GST; //!< Flag indicating that ionospheric and GST parameters (word 1) have been received
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bool flag_TOW_1;
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bool flag_TOW_2;
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bool flag_TOW_3;
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bool flag_TOW_4;
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bool flag_TOW_set; //!< it is true when page 1,2,3 or 4 arrives
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bool flag_utc_model; //!< Flag indicating that utc model parameters (word 4) have been received
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bool flag_all_almanac; //!< Flag indicating that all almanac have been received
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bool flag_almanac_1; //!< Flag indicating that almanac 1/2 (word 5) have been received
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bool flag_almanac_2; //!< Flag indicating that almanac 2/2 (word 6) have been received
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int32_t IOD_ephemeris;
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int32_t page_type;
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// WORD 1 SVID, Clock correction, SISA, Ionospheric correction, BGD, GST, Signal
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// health and Data validity status
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int32_t FNAV_SV_ID_PRN_1;
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int32_t FNAV_IODnav_1;
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int32_t FNAV_t0c_1;
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double FNAV_af0_1;
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double FNAV_af1_1;
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double FNAV_af2_1;
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int32_t FNAV_SISA_1;
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double FNAV_ai0_1;
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double FNAV_ai1_1;
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double FNAV_ai2_1;
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bool FNAV_region1_1;
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bool FNAV_region2_1;
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bool FNAV_region3_1;
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bool FNAV_region4_1;
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bool FNAV_region5_1;
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double FNAV_BGD_1;
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int32_t FNAV_E5ahs_1;
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int32_t FNAV_WN_1;
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int32_t FNAV_TOW_1;
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bool FNAV_E5advs_1;
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// WORD 2 Ephemeris (1/3) and GST
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int32_t FNAV_IODnav_2;
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double FNAV_M0_2;
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double FNAV_omegadot_2;
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double FNAV_e_2;
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double FNAV_a12_2;
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double FNAV_omega0_2;
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double FNAV_idot_2;
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int32_t FNAV_WN_2;
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int32_t FNAV_TOW_2;
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// WORD 3 Ephemeris (2/3) and GST
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int32_t FNAV_IODnav_3;
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double FNAV_i0_3;
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double FNAV_w_3;
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double FNAV_deltan_3;
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double FNAV_Cuc_3;
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double FNAV_Cus_3;
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double FNAV_Crc_3;
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double FNAV_Crs_3;
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int32_t FNAV_t0e_3;
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int32_t FNAV_WN_3;
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int32_t FNAV_TOW_3;
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// WORD 4 Ephemeris (3/3), GST-UTC conversion, GST-GPS conversion and TOW.
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// Note that the clock is repeated in this page type
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int32_t FNAV_IODnav_4;
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double FNAV_Cic_4;
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double FNAV_Cis_4;
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double FNAV_A0_4;
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double FNAV_A1_4;
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int32_t FNAV_deltatls_4;
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int32_t FNAV_t0t_4;
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int32_t FNAV_WNot_4;
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int32_t FNAV_WNlsf_4;
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int32_t FNAV_DN_4;
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int32_t FNAV_deltatlsf_4;
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int32_t FNAV_t0g_4;
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double FNAV_A0g_4;
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double FNAV_A1g_4;
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int32_t FNAV_WN0g_4;
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int32_t FNAV_TOW_4;
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// WORD 5 Almanac (SVID1 and SVID2(1/2)), Week Number and almanac reference time
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int32_t FNAV_IODa_5;
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int32_t FNAV_WNa_5;
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int32_t FNAV_t0a_5;
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int32_t FNAV_SVID1_5;
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double FNAV_Deltaa12_1_5;
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double FNAV_e_1_5;
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double FNAV_w_1_5;
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double FNAV_deltai_1_5;
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double FNAV_Omega0_1_5;
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double FNAV_Omegadot_1_5;
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double FNAV_M0_1_5;
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double FNAV_af0_1_5;
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double FNAV_af1_1_5;
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uint32_t FNAV_E5ahs_1_5;
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int32_t FNAV_SVID2_5;
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double FNAV_Deltaa12_2_5;
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double FNAV_e_2_5;
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double FNAV_w_2_5;
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double FNAV_deltai_2_5;
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// WORD 6 Almanac (SVID2(2/2) and SVID3)
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int32_t FNAV_IODa_6;
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double FNAV_Omega0_2_6;
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double FNAV_Omegadot_2_6;
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double FNAV_M0_2_6;
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double FNAV_af0_2_6;
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double FNAV_af1_2_6;
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int32_t FNAV_E5ahs_2_6;
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int32_t FNAV_SVID3_6;
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double FNAV_Deltaa12_3_6;
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double FNAV_e_3_6;
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double FNAV_w_3_6;
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double FNAV_deltai_3_6;
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double FNAV_Omega0_3_6;
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double FNAV_Omegadot_3_6;
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double FNAV_M0_3_6;
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double FNAV_af0_3_6;
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double FNAV_af1_3_6;
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int32_t FNAV_E5ahs_3_6;
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private:
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bool _CRC_test(std::bitset<GALILEO_FNAV_DATA_FRAME_BITS> bits, uint32_t checksum);
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void decode_page(const std::string& data);
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uint64_t read_navigation_unsigned(std::bitset<GALILEO_FNAV_DATA_FRAME_BITS> bits, const std::vector<std::pair<int32_t, int32_t>>& parameter);
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int64_t read_navigation_signed(std::bitset<GALILEO_FNAV_DATA_FRAME_BITS> bits, const std::vector<std::pair<int32_t, int32_t>>& parameter);
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std::string omega0_1;
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// std::string omega0_2;
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// bool omega_flag;
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};
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#endif // GNSS_SDR_GALILEO_FNAV_MESSAGE_H_
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