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

83 lines
2.9 KiB
C++

/*!
* \file gps_utc_model.h
* \brief Interface of a GPS UTC MODEL storage
* \author Javier Arribas, 2013. jarribas(at)cttc.es
*
* -----------------------------------------------------------------------------
*
* 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_GPS_UTC_MODEL_H
#define GNSS_SDR_GPS_UTC_MODEL_H
#include <boost/serialization/nvp.hpp>
#include <cstdint>
/** \addtogroup Core
* \{ */
/** \addtogroup System_Parameters
* \{ */
/*!
* \brief This class is a storage for the GPS UTC MODEL data as described in IS-GPS-200M
*
* See https://www.gps.gov/technical/icwg/IS-GPS-200M.pdf Appendix II
*/
class Gps_Utc_Model
{
public:
/*!
* Default constructor
*/
Gps_Utc_Model() = default;
// UTC parameters
double A0{}; //!< Constant of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200M) [s]
double A1{}; //!< 1st order term of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200M) [s/s]
double A2{}; //!< 2nd order term of a model that relates GPS and UTC time (ref. 20.3.3.5.2.4 IS-GPS-200M) [s/s]
int32_t tot{}; //!< Reference time for UTC data (reference 20.3.4.5 and 20.3.3.5.2.4 IS-GPS-200M) [s]
int32_t WN_T{}; //!< UTC reference week number [weeks]
int32_t DeltaT_LS{}; //!< Delta time due to leap seconds [s]. Number of leap seconds since 6-Jan-1980 as transmitted by the GPS almanac.
int32_t WN_LSF{}; //!< Week number at the end of which the leap second becomes effective [weeks]
int32_t DN{}; //!< Day number (DN) at the end of which the leap second becomes effective [days]
int32_t DeltaT_LSF{}; //!< Scheduled future or recent past (relative to NAV message upload) value of the delta time due to leap seconds [s]
bool valid{};
template <class Archive>
/*
* \brief Serialize is a boost standard method to be called by the boost XML
* serialization. Here is used to save the ephemeris data on disk file.
*/
inline void serialize(Archive& archive, const uint32_t version)
{
if (version)
{
};
archive& BOOST_SERIALIZATION_NVP(A0);
archive& BOOST_SERIALIZATION_NVP(A1);
archive& BOOST_SERIALIZATION_NVP(A2);
archive& BOOST_SERIALIZATION_NVP(tot);
archive& BOOST_SERIALIZATION_NVP(WN_T);
archive& BOOST_SERIALIZATION_NVP(DeltaT_LS);
archive& BOOST_SERIALIZATION_NVP(WN_LSF);
archive& BOOST_SERIALIZATION_NVP(DN);
archive& BOOST_SERIALIZATION_NVP(DeltaT_LSF);
archive& BOOST_SERIALIZATION_NVP(valid);
}
};
/** \} */
/** \} */
#endif // GNSS_SDR_GPS_UTC_MODEL_H