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/*
*
* NMEA library
* URL: http://nmea.sourceforge.net
* Author: Tim (xtimor@gmail.com)
* Licence: http://www.gnu.org/licenses/lgpl.html
* $Id: info.h 10 2007-11-15 14:50:15Z xtimor $
*
*/
/*! \file */
#ifndef __NMEA_INFO_H__
#define __NMEA_INFO_H__
#include "time.h"
#define NMEA_SIG_BAD (0)
#define NMEA_SIG_LOW (1)
#define NMEA_SIG_MID (2)
#define NMEA_SIG_HIGH (3)
#define NMEA_FIX_BAD (1)
#define NMEA_FIX_2D (2)
#define NMEA_FIX_3D (3)
#define NMEA_MAXSAT (12)
#define NMEA_SATINPACK (4)
#define NMEA_NSATPACKS (NMEA_MAXSAT / NMEA_SATINPACK)
#define NMEA_DEF_LAT (5001.2621)
#define NMEA_DEF_LON (3613.0595)
#ifdef __cplusplus
extern "C" {
#endif
/**
* Position data in fractional degrees or radians
*/
typedef struct _nmeaPOS
{
float lat; /**< Latitude */
float lon; /**< Longitude */
} nmeaPOS;
/**
* Information about satellite
* @see nmeaSATINFO
* @see nmeaGPGSV
*/
typedef struct _nmeaSATELLITE
{
int id; /**< Satellite PRN number */
int in_use; /**< Used in position fix */
int elv; /**< Elevation in degrees, 90 maximum */
int azimuth; /**< Azimuth, degrees from true north, 000 to 359 */
int sig; /**< Signal, 00-99 dB */
} nmeaSATELLITE;
/**
* Information about all satellites in view
* @see nmeaINFO
* @see nmeaGPGSV
*/
typedef struct _nmeaSATINFO
{
int inuse; /**< Number of satellites in use (not those in view) */
int inview; /**< Total number of satellites in view */
nmeaSATELLITE sat[NMEA_MAXSAT]; /**< Satellites information */
} nmeaSATINFO;
/**
* Summary GPS information from all parsed packets,
* used also for generating NMEA stream
* @see nmea_parse
* @see nmea_GPGGA2info, nmea_...2info
*/
typedef struct _nmeaINFO
{
int smask; /**< Mask specifying types of packages from which data have been obtained */
nmeaTIME utc; /**< UTC of position */
int sig; /**< GPS quality indicator (0 = Invalid; 1 = Fix; 2 = Differential, 3 = Sensitive) */
int fix; /**< Operating mode, used for navigation (1 = Fix not available; 2 = 2D; 3 = 3D) */
float PDOP; /**< Position Dilution Of Precision */
float HDOP; /**< Horizontal Dilution Of Precision */
float VDOP; /**< Vertical Dilution Of Precision */
float lat; /**< Latitude in NDEG - +/-[degree][min].[sec/60] */
float lon; /**< Longitude in NDEG - +/-[degree][min].[sec/60] */
float elv; /**< Antenna altitude above/below mean sea level (geoid) in meters */
float speed; /**< Speed over the ground in kilometers/hour */
float direction; /**< Track angle in degrees True */
float declination; /**< Magnetic variation degrees (Easterly var. subtracts from true course) */
nmeaSATINFO satinfo; /**< Satellites information */
} nmeaINFO;
void nmea_zero_INFO(nmeaINFO *info);
#ifdef __cplusplus
}
#endif
#endif /* __NMEA_INFO_H__ */
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