GalileoEphemeris.hpp

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// This file is part of INSTINCT, the INS Toolkit for Integrated
// Navigation Concepts and Training by the Institute of Navigation of
// the University of Stuttgart, Germany.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
 
#pragma once
 
#include <bitset>
#include <cstdint>
 
#include "Navigation/GNSS/Satellite/internal/SatNavData.hpp"
 
namespace NAV
{
 
class GalileoEphemeris final : public SatNavData
{
  public:
    struct SvHealth
    {
        enum DataValidityStatus : uint8_t
        {
            NavigationDataValid = 0,     
            WorkingWithoutGuarantee = 1, 
        };
        enum SignalHealthStatus : uint8_t
        {
            SignalOK = 0,                       
            SignalOutOfService = 1,             
            SignalWillBeOutOfService = 2,       
            SignalComponentCurrentlyInTest = 3, 
        };
 
        DataValidityStatus E5a_DataValidityStatus = NavigationDataValid; 
        DataValidityStatus E5b_DataValidityStatus = NavigationDataValid; 
        DataValidityStatus E1B_DataValidityStatus = NavigationDataValid; 
 
        SignalHealthStatus E5a_SignalHealthStatus = SignalOK; 
        SignalHealthStatus E5b_SignalHealthStatus = SignalOK; 
        SignalHealthStatus E1B_SignalHealthStatus = SignalOK; 
    };
 
    // #######################################################################################################
    //                                                Members
    // #######################################################################################################
 
    // ------------------------------------------ Time Parameters --------------------------------------------
 
    InsTime toc;
 
    InsTime toe;
 
    size_t IODnav{};
 
    std::array<double, 3> a{};
 
    // --------------------------------------- Keplerian Parameters ------------------------------------------
 
    double sqrt_A{};  
    double e{};       
    double i_0{};     
    double Omega_0{}; 
    double omega{};   
    double M_0{};     
 
    // -------------------------------------- Pertubation Parameters -----------------------------------------
 
    double delta_n{};   
    double Omega_dot{}; 
    double i_dot{};     
    double Cus{};       
    double Cuc{};       
    double Cis{};       
    double Cic{};       
    double Crs{};       
    double Crc{};       
 
    // ----------------------------------------------- Other -------------------------------------------------
 
    std::bitset<10> dataSource;
 
    double signalAccuracy{};
 
    SvHealth svHealth{};
 
    double BGD_E1_E5a{};
    double BGD_E1_E5b{};
 
    // #######################################################################################################
    //                                               Functions
    // #######################################################################################################
 
    explicit GalileoEphemeris(const InsTime& toc);
 
    GalileoEphemeris(const InsTime& toc, const InsTime& toe,
                     const size_t& IODnav,
                     const std::array<double, 3>& a,
                     const double& sqrt_A, const double& e, const double& i_0, const double& Omega_0, const double& omega, const double& M_0,
                     const double& delta_n, const double& Omega_dot, const double& i_dot, const double& Cus, const double& Cuc,
                     const double& Cis, const double& Cic, const double& Crs, const double& Crc,
                     const std::bitset<10>& dataSource, const double& signalAccuracy, const SvHealth& svHealth,
                     const double& BGD_E1_E5a, const double& BGD_E1_E5b);
 
#ifdef TESTING
    GalileoEphemeris(int32_t year, int32_t month, int32_t day, int32_t hour, int32_t minute, double second, double svClockBias, double svClockDrift, double svClockDriftRate,
                     double IODnav, double Crs, double delta_n, double M_0,
                     double Cuc, double e, double Cus, double sqrt_A,
                     double Toe, double Cic, double Omega_0, double Cis,
                     double i_0, double Crc, double omega, double Omega_dot,
                     double i_dot, double dataSource, double GALWeek, double spare1,
                     double signalAccuracy, double svHealth, double BGD_E1_E5a, double BGD_E1_E5b,
                     double TransmissionTimeOfMessage, double spare2 = 0.0, double spare3 = 0.0, double spare4 = 0.0);
#endif
 
    ~GalileoEphemeris() final = default;
    GalileoEphemeris(const GalileoEphemeris&) = default;
    GalileoEphemeris(GalileoEphemeris&&) = default;
    GalileoEphemeris& operator=(const GalileoEphemeris&) = delete;
    GalileoEphemeris& operator=(GalileoEphemeris&&) = delete;
 
    [[nodiscard]] double calcSatellitePositionVariance() const final;
 
    [[nodiscard]] Corrections calcClockCorrections(const InsTime& recvTime, double dist, const Frequency& freq) const final;
 
    [[nodiscard]] bool isHealthy() const final;
 
  private:
    [[nodiscard]] PosVelAccel calcSatelliteData(const InsTime& transTime, Orbit::Calc calc) const final;
};
 
} // namespace NAV