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

129 lines
3.3 KiB
C++

/*!
* \file gps_navigation_message.h
* \brief Navigation message structure for GPS L1 C/A signal
* \author Javier Arribas, 2011. jarribas(at)cttc.es
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2011 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is part of GNSS-SDR.
*
* GNSS-SDR is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* at your option) any later version.
*
* GNSS-SDR is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#ifndef GPS_NAVIGATION_MESSAGE_H
#define GPS_NAVIGATION_MESSAGE_H
#include <iostream>
#include <map>
#include <vector>
#include <string>
#include <algorithm>
#include <bitset>
#include "boost/assign.hpp"
#include <math.h>
using namespace boost::assign;
#include "GPS_L1_CA.h"
class gps_navigation_message
{
private:
unsigned long int read_navigation_unsigned(std::bitset<GPS_SUBFRAME_BITS> bits, const bits_slice *slices, int num_of_slices);
signed long int read_navigation_signed(std::bitset<GPS_SUBFRAME_BITS> bits, const bits_slice *slices, int num_of_slices);
double check_t(double time);
public:
//broadcast orbit 1
double d_TOW;
double d_IODE_SF2;
double d_IODE_SF3;
double d_Crs;
double d_Delta_n;
double d_M_0;
//broadcast orbit 2
double d_Cuc;
double d_e_eccentricity;
double d_Cus;
double d_sqrt_A;
//broadcast orbit 3
double d_Toe;
double d_Toc;
double d_Cic;
double d_OMEGA0;
double d_Cis;
//broadcast orbit 4
double d_i_0;
double d_Crc;
double d_OMEGA;
double d_OMEGA_DOT;
//broadcast orbit 5
double d_IDOT;
double d_codes_on_L2;
double d_GPS_week;
double d_L2_P_data_flag;
//broadcast orbit 6
double d_SV_accuracy;
double d_SV_health;
double d_TGD;
double d_IODC;
//broadcast orbit 7
double d_fit_interval;
double d_spare1;
double d_spare2;
double d_A_f0;
double d_A_f1;
double d_A_f2;
// clock terms
double d_master_clock; //GPS transmission time
double d_satClkCorr; // GPS clock error
double d_dtr; // relativistic clock correction term
// satellite positions
double d_satpos_X;
double d_satpos_Y;
double d_satpos_Z;
// satellite identification info
int d_channel_ID;
int d_satellite_PRN;
// time synchro
double d_subframe1_timestamp_ms; //[ms]
// public functions
void reset();
int subframe_decoder(char *subframe);
void master_clock(double transmitTime);
void satpos();
void relativistic_clock_correction(double transmitTime);
bool satellite_validation();
gps_navigation_message();
};
#endif