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gnss-sdr/src/core/system_parameters/galileo_fnav_message.h

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/*!
* \file galileo_fnav_message.h
* \brief Implementation of a Galileo F/NAV Data message
* as described in Galileo OS SIS ICD Issue 1.2 (Nov. 2015)
* \author Marc Sales, 2014. marcsales92(at)gmail.com
* \based on work from:
* <ul>
* <li> Javier Arribas, 2011. jarribas(at)cttc.es
* </ul>
*
*
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
*/
#ifndef GNSS_SDR_GALILEO_FNAV_MESSAGE_H
#define GNSS_SDR_GALILEO_FNAV_MESSAGE_H
#include "Galileo_E5a.h"
#include "Galileo_FNAV.h"
#include "galileo_almanac_helper.h"
#include "galileo_ephemeris.h"
#include "galileo_iono.h"
#include "galileo_utc_model.h"
#include <bitset>
#include <cstdint>
#include <string>
#include <utility>
#include <vector>
/** \addtogroup Core
* \{ */
/** \addtogroup System_Parameters
* \{ */
/*!
* \brief This class handles the Galileo F/NAV Data message, as described in the
* Galileo Open Service Signal in Space Interface Control Document (OS SIS ICD), Issue 2.0 (Jan. 2021).
* See https://www.gsc-europa.eu/sites/default/files/sites/all/files/Galileo_OS_SIS_ICD_v2.0.pdf
*/
class Galileo_Fnav_Message
{
public:
Galileo_Fnav_Message() = default;
void split_page(const std::string& page_string);
bool have_new_ephemeris();
bool have_new_iono_and_GST();
bool have_new_utc_model();
bool have_new_almanac();
Galileo_Ephemeris get_ephemeris() const;
Galileo_Iono get_iono() const;
Galileo_Utc_Model get_utc_model() const;
Galileo_Almanac_Helper get_almanac() const;
inline int32_t get_TOW1() const
{
return FNAV_TOW_1;
}
inline int32_t get_TOW2() const
{
return FNAV_TOW_2;
}
inline int32_t get_TOW3() const
{
return FNAV_TOW_3;
}
inline int32_t get_TOW4() const
{
return FNAV_TOW_4;
}
inline bool get_flag_CRC_test() const
{
return flag_CRC_test;
}
inline bool get_flag_TOW_set() const
{
return flag_TOW_set;
}
inline void set_flag_TOW_set(bool flag_tow)
{
flag_TOW_set = flag_tow;
}
inline bool is_TOW1_set() const
{
return flag_TOW_1;
}
inline void set_TOW1_flag(bool flag_tow1)
{
flag_TOW_1 = flag_tow1;
}
inline bool is_TOW2_set() const
{
return flag_TOW_2;
}
inline void set_TOW2_flag(bool flag_tow2)
{
flag_TOW_2 = flag_tow2;
}
inline bool is_TOW3_set() const
{
return flag_TOW_3;
}
inline void set_TOW3_flag(bool flag_tow3)
{
flag_TOW_3 = flag_tow3;
}
inline bool is_TOW4_set() const
{
return flag_TOW_4;
}
inline void set_TOW4_flag(bool flag_tow4)
{
flag_TOW_4 = flag_tow4;
}
private:
bool CRC_test(const std::bitset<GALILEO_FNAV_DATA_FRAME_BITS>& bits, uint32_t checksum) const;
void decode_page(const std::string& data);
uint64_t read_navigation_unsigned(const std::bitset<GALILEO_FNAV_DATA_FRAME_BITS>& bits, const std::vector<std::pair<int32_t, int32_t>>& parameter) const;
int64_t read_navigation_signed(const std::bitset<GALILEO_FNAV_DATA_FRAME_BITS>& bits, const std::vector<std::pair<int32_t, int32_t>>& parameter) const;
std::string omega0_1{};
// std::string omega0_2{};
// bool omega_flag{};
int32_t IOD_ephemeris{};
int32_t page_type{};
// WORD 1 SVID, Clock correction, SISA, Ionospheric correction, BGD, GST, Signal
// health and Data validity status
int32_t FNAV_SV_ID_PRN_1{};
int32_t FNAV_IODnav_1{};
int32_t FNAV_t0c_1{};
double FNAV_af0_1{};
double FNAV_af1_1{};
double FNAV_af2_1{};
int32_t FNAV_SISA_1{};
double FNAV_ai0_1{};
double FNAV_ai1_1{};
double FNAV_ai2_1{};
double FNAV_BGD_1{};
int32_t FNAV_E5ahs_1{};
int32_t FNAV_WN_1{};
int32_t FNAV_TOW_1{};
bool FNAV_region1_1{};
bool FNAV_region2_1{};
bool FNAV_region3_1{};
bool FNAV_region4_1{};
bool FNAV_region5_1{};
bool FNAV_E5advs_1{};
// WORD 2 Ephemeris (1/3) and GST
int32_t FNAV_IODnav_2{};
double FNAV_M0_2{};
double FNAV_omegadot_2{};
double FNAV_e_2{};
double FNAV_a12_2{};
double FNAV_omega0_2{};
double FNAV_idot_2{};
int32_t FNAV_WN_2{};
int32_t FNAV_TOW_2{};
// WORD 3 Ephemeris (2/3) and GST
int32_t FNAV_IODnav_3{};
double FNAV_i0_3{};
double FNAV_w_3{};
double FNAV_deltan_3{};
double FNAV_Cuc_3{};
double FNAV_Cus_3{};
double FNAV_Crc_3{};
double FNAV_Crs_3{};
int32_t FNAV_t0e_3{};
int32_t FNAV_WN_3{};
int32_t FNAV_TOW_3{};
// WORD 4 Ephemeris (3/3), GST-UTC conversion, GST-GPS conversion and TOW.
// Note that the clock is repeated in this page type
int32_t FNAV_IODnav_4{};
double FNAV_Cic_4{};
double FNAV_Cis_4{};
double FNAV_A0_4{};
double FNAV_A1_4{};
int32_t FNAV_deltatls_4{};
int32_t FNAV_t0t_4{};
int32_t FNAV_WNot_4{};
int32_t FNAV_WNlsf_4{};
int32_t FNAV_DN_4{};
int32_t FNAV_deltatlsf_4{};
int32_t FNAV_t0g_4{};
double FNAV_A0g_4{};
double FNAV_A1g_4{};
int32_t FNAV_WN0g_4{};
int32_t FNAV_TOW_4{};
// WORD 5 Almanac (SVID1 and SVID2(1/2)), Week Number and almanac reference time
int32_t FNAV_IODa_5{};
int32_t FNAV_WNa_5{};
int32_t FNAV_t0a_5{};
int32_t FNAV_SVID1_5{};
double FNAV_Deltaa12_1_5{};
double FNAV_e_1_5{};
double FNAV_w_1_5{};
double FNAV_deltai_1_5{};
double FNAV_Omega0_1_5{};
double FNAV_Omegadot_1_5{};
double FNAV_M0_1_5{};
double FNAV_af0_1_5{};
double FNAV_af1_1_5{};
uint32_t FNAV_E5ahs_1_5{};
int32_t FNAV_SVID2_5{};
double FNAV_Deltaa12_2_5{};
double FNAV_e_2_5{};
double FNAV_w_2_5{};
double FNAV_deltai_2_5{};
// WORD 6 Almanac (SVID2(2/2) and SVID3)
int32_t FNAV_IODa_6{};
double FNAV_Omega0_2_6{};
double FNAV_Omegadot_2_6{};
double FNAV_M0_2_6{};
double FNAV_af0_2_6{};
double FNAV_af1_2_6{};
int32_t FNAV_E5ahs_2_6{};
int32_t FNAV_SVID3_6{};
double FNAV_Deltaa12_3_6{};
double FNAV_e_3_6{};
double FNAV_w_3_6{};
double FNAV_deltai_3_6{};
double FNAV_Omega0_3_6{};
double FNAV_Omegadot_3_6{};
double FNAV_M0_3_6{};
double FNAV_af0_3_6{};
double FNAV_af1_3_6{};
int32_t FNAV_E5ahs_3_6{};
bool flag_CRC_test{};
bool flag_all_ephemeris{}; // Flag indicating that all words containing ephemeris have been received
bool flag_ephemeris_1{}; // Flag indicating that ephemeris 1/3 (word 2) have been received
bool flag_ephemeris_2{}; // Flag indicating that ephemeris 2/3 (word 3) have been received
bool flag_ephemeris_3{}; // Flag indicating that ephemeris 3/3 (word 4) have been received
bool flag_iono_and_GST{}; // Flag indicating that ionospheric and GST parameters (word 1) have been received
bool flag_TOW_1{};
bool flag_TOW_2{};
bool flag_TOW_3{};
bool flag_TOW_4{};
bool flag_TOW_set{}; // it is true when page 1,2,3 or 4 arrives
bool flag_utc_model{}; // Flag indicating that utc model parameters (word 4) have been received
bool flag_all_almanac{}; // Flag indicating that all Almanac data have been received
bool flag_almanac_1{}; // Flag indicating that almanac 1/2 (word 5) have been received
bool flag_almanac_2{}; // Flag indicating that almanac 2/2 (word 6) have been received
};
/** \} */
/** \} */
#endif // GNSS_SDR_GALILEO_FNAV_MESSAGE_H
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