kopia lustrzana https://github.com/OpenRTX/OpenRTX
69 wiersze
3.0 KiB
C
69 wiersze
3.0 KiB
C
/***************************************************************************
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* Copyright (C) 2020 - 2023 by Federico Amedeo Izzo IU2NUO, *
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* Niccolò Izzo IU2KIN, *
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* Silvano Seva IU2KWO *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, see <http://www.gnu.org/licenses/> *
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***************************************************************************/
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#ifndef GPS_H
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#define GPS_H
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#include <datetime.h>
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#include <stdint.h>
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#include <minmea.h>
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/**
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* Data structure representing a single satellite as part of a GPS fix.
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*/
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typedef struct
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{
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uint8_t id; // ID of the satellite
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uint8_t elevation; // Elevation in degrees
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uint16_t azimuth; // Azimuth in degrees
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uint8_t snr; // Quality of the signal in range 0-99
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}
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gpssat_t;
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/**
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* Data structure representing the last state received from the GPS module.
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*/
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typedef struct
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{
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datetime_t timestamp; // Timestamp of the latest GPS update
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uint8_t fix_quality; // 0: no fix, 1: GPS, 2: GPS SPS, 3: GPS PPS
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uint8_t fix_type; // 0: no fix, 1: 2D, 2: 3D
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uint8_t satellites_tracked; // Number of tracked satellites
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uint8_t satellites_in_view; // Satellites in view
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gpssat_t satellites[12]; // Details about satellites in view
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uint32_t active_sats; // Bitmap representing which sats are part of the fix
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int32_t latitude; // Latitude coordinates
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int32_t longitude; // Longitude coordinates
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int16_t altitude; // Antenna altitude above mean sea level (geoid) in m
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uint16_t speed; // Ground speed in km/h
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float tmg_mag; // Course over ground, degrees, magnetic
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float tmg_true; // Course over ground, degrees, true
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}
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gps_t;
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/**
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* This function perfoms the task of reading data from the GPS module,
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* if available, enabled and ready, decode NMEA sentences and update
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* the radio state with the retrieved data.
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*/
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void gps_task();
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#endif /* GPS_H */
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