GPS_DataType.h

#ifndef GPSDATATYPE_H
#define GPSDATATYPE_H

#include <stdint.h>

enum {
	GPS_INVALID_ACCURACY = 0xFFFFFFFF,
	GPS_INVALID_AGE = 0xFFFFFFFF,
	GPS_INVALID_ANGLE = 0x7FFFFFFF,
	GPS_INVALID_ALTITUDE = 65535,
	GPS_INVALID_DATE = 0,
	GPS_INVALID_TIME = 0xFFFFFFFF,
	GPS_INVALID_SPEED = 999999999,
	GPS_INVALID_FIX_TIME = 0xFFFFFFFF
};

enum {
	GPS_DETECTING = 0,
	GPS_NOFIX = 1,
	GPS_FIX2D = 2,
	GPS_FIX3D = 3,
	GPS_FIX3DD = 4 // differential fix 
};

enum {
	GPS_UBLOX = 0,
	GPS_NMEA = 1,
	GPS_MTK16 = 2
};

#define GPS_INVALID_POSITION {GPS_INVALID_ANGLE, GPS_INVALID_ANGLE, GPS_INVALID_ALTITUDE}

struct GeodeticPosition {
	long latitude;
	long longitude;
	long altitude;
};

struct gpsData {
	int32_t  lat, lon;  // position as degrees (*10E7)
	int32_t  course;   // degrees (*10E5)
	uint32_t speed;    // cm/s
	int32_t  height;   // mm (from ellipsoid)
	uint32_t accuracy; // mm
	uint32_t fixage;   // fix 
	uint32_t fixtime;  // fix 
	uint32_t sentences; // sentences/packets processed from gps (just statistics)
	uint8_t  state;    // gps state
	uint8_t  sats;     // number of satellites active
	uint8_t  baudrate; // current baudrate (index) - used by autodetection
	uint8_t  type;     // current type - used by autodetection
	uint32_t idlecount; // how many times gpsUpdate has been called without getting a valid message
	int32_t  velN, velE, velD; // cm/s
};

#endif