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LibrePilot/flight/modules/GPS/inc/NMEA.h

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/**
******************************************************************************
* @addtogroup OpenPilotModules OpenPilot Modules
* @{
* @addtogroup GSPModule GPS Module
* @brief Process GPS information
* @{
*
* @file NMEA.h
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief GPS module, handles GPS and NMEA stream
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef NMEA_H
#define NMEA_H
#include <stdbool.h>
#include <stdint.h>
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#include "GPS.h"
#define NMEA_MAX_PACKET_LENGTH 96 // 82 max NMEA msg size plus 12 margin (because some vendors add custom crap) plus CR plus Linefeed
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extern bool NMEA_update_position(char *nmea_sentence, GPSPositionSensorData *GpsData);
extern bool NMEA_checksum(char *nmea_sentence);
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extern int parse_nmea_stream(uint8_t, char *, GPSPositionSensorData *, struct GPS_RX_STATS *);
#endif /* NMEA_H */