GPSEphemeris.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 "Navigation/GNSS/Satellite/internal/SatNavData.hpp"
 
#include "Navigation/Time/InsTime.hpp"
 
namespace NAV
{
 
class GPSEphemeris final : public SatNavData
{
  public:
    // #######################################################################################################
    //                                                Members
    // #######################################################################################################
 
    // ------------------------------------------ Time Parameters --------------------------------------------
 
    InsTime toc;
 
    InsTime toe;
 
    size_t IODE{};
 
    size_t IODC{};
 
    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 -------------------------------------------------
 
    double svAccuracy{};
 
    uint8_t svHealth{};
 
    uint8_t L2ChannelCodes{};
 
    bool L2DataFlagPCode{};
 
    double T_GD{};
 
    double fitInterval{};
 
    // #######################################################################################################
    //                                               Functions
    // #######################################################################################################
 
    explicit GPSEphemeris(const InsTime& toc);
 
    GPSEphemeris(const InsTime& toc, const InsTime& toe,
                 const size_t& IODE, const size_t& IODC,
                 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 double& svAccuracy, uint8_t svHealth,
                 uint8_t L2ChannelCodes, bool L2DataFlagPCode,
                 const double& T_GD,
                 const double& fitInterval);
 
#ifdef TESTING
    GPSEphemeris(int32_t year, int32_t month, int32_t day, int32_t hour, int32_t minute, double second, double svClockBias, double svClockDrift, double svClockDriftRate,
                 double IODE, 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 L2ChannelCodes, double GPSWeek, double L2DataFlagPCode,
                 double svAccuracy, double svHealth, double T_GD, double IODC,
                 double TransmissionTimeOfMessage, double fitInterval, double spare1 = 0.0, double spare2 = 0.0);
#endif
 
    ~GPSEphemeris() final = default;
    GPSEphemeris(const GPSEphemeris&) = default;
    GPSEphemeris(GPSEphemeris&&) = default;
    GPSEphemeris& operator=(const GPSEphemeris&) = delete;
    GPSEphemeris& operator=(GPSEphemeris&&) = 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