mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2024-06-29 08:23:19 +00:00
101 lines
3.5 KiB
C
101 lines
3.5 KiB
C
|
/*!
|
||
|
* \file gps_l1_ca_subframe_fsm.h
|
||
|
* \brief Interface of a BEIDOU NAV message word-to-subframe decoder state machine
|
||
|
* \author Sergi Segura, 2018. sergi.segura.munoz(at)gmail.com
|
||
|
*
|
||
|
* -------------------------------------------------------------------------
|
||
|
*
|
||
|
* Copyright (C) 2010-2018 (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 <https://www.gnu.org/licenses/>.
|
||
|
*
|
||
|
* -------------------------------------------------------------------------
|
||
|
*/
|
||
|
|
||
|
|
||
|
#ifndef GNSS_SDR_BEIDOU_B1I_SUBFRAME_FSM_H_
|
||
|
#define GNSS_SDR_BEIDOU_B1I_SUBFRAME_FSM_H_
|
||
|
|
||
|
#include "beidou_b1I.h"
|
||
|
#include "beidou_navigation_message.h"
|
||
|
#include "beidou_ephemeris.h"
|
||
|
#include "beidou_iono.h"
|
||
|
#include "beidou_almanac.h"
|
||
|
#include "beidou_utc_model.h"
|
||
|
#include <boost/statechart/state_machine.hpp>
|
||
|
|
||
|
namespace sc = boost::statechart;
|
||
|
namespace mpl = boost::mpl;
|
||
|
|
||
|
struct beidou_subframe_fsm_S0;
|
||
|
struct beidou_subframe_fsm_S1;
|
||
|
struct beidou_subframe_fsm_S2;
|
||
|
struct beidou_subframe_fsm_S3;
|
||
|
struct beidou_subframe_fsm_S4;
|
||
|
struct beidou_subframe_fsm_S5;
|
||
|
struct beidou_subframe_fsm_S6;
|
||
|
struct beidou_subframe_fsm_S7;
|
||
|
struct beidou_subframe_fsm_S8;
|
||
|
struct beidou_subframe_fsm_S9;
|
||
|
struct beidou_subframe_fsm_S10;
|
||
|
struct beidou_subframe_fsm_S11;
|
||
|
|
||
|
|
||
|
/*!
|
||
|
* \brief This class implements a Finite State Machine that handles the decoding
|
||
|
* of the GPS L1 C/A NAV message
|
||
|
*/
|
||
|
class BeidouB1iSubframeFsm : public sc::state_machine<BeidouB1iSubframeFsm, beidou_subframe_fsm_S0>
|
||
|
{
|
||
|
public:
|
||
|
BeidouB1iSubframeFsm(); //!< The constructor starts the Finite State Machine
|
||
|
void clear_flag_new_subframe();
|
||
|
// channel and satellite info
|
||
|
int i_channel_ID; //!< Channel id
|
||
|
unsigned int i_satellite_PRN; //!< Satellite PRN number
|
||
|
|
||
|
Beidou_Navigation_Message_D1 d_nav; //!< GPS L1 C/A navigation message object
|
||
|
|
||
|
// GPS SV and System parameters
|
||
|
Beidou_Ephemeris ephemeris; //!< Object that handles GPS ephemeris parameters
|
||
|
Beidou_Almanac almanac; //!< Object that handles GPS almanac data
|
||
|
Beidou_Utc_Model utc_model; //!< Object that handles UTM model parameters
|
||
|
Beidou_Iono iono; //!< Object that handles ionospheric parameters
|
||
|
|
||
|
char d_subframe[BEIDOU_SUBFRAME_LENGTH];
|
||
|
int d_subframe_ID;
|
||
|
bool d_flag_new_subframe;
|
||
|
char d_BEIDOU_frame_4bytes[BEIDOU_WORD_LENGTH];
|
||
|
//double d_preamble_time_ms;
|
||
|
|
||
|
void beidou_word_to_subframe(int position); //!< inserts the word in the correct position of the subframe
|
||
|
|
||
|
/*!
|
||
|
* \brief This function decodes a NAv message subframe and pushes the information to the right queues
|
||
|
*/
|
||
|
void beidou_subframe_to_nav_msg();
|
||
|
|
||
|
//FSM EVENTS
|
||
|
void Event_beidou_word_valid(); //!< FSM event: the received word is valid
|
||
|
void Event_beidou_word_invalid(); //!< FSM event: the received word is not valid
|
||
|
void Event_beidou_word_preamble(); //!< FSM event: word preamble detected
|
||
|
};
|
||
|
|
||
|
#endif
|