forked from Archive/PX4-Autopilot
113 lines
3.0 KiB
C
113 lines
3.0 KiB
C
/*
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*
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* NMEA library
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* URL: http://nmea.sourceforge.net
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* Author: Tim (xtimor@gmail.com)
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* Licence: http://www.gnu.org/licenses/lgpl.html
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* $Id: info.h 10 2007-11-15 14:50:15Z xtimor $
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*
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*/
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/*! \file */
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#ifndef __NMEA_INFO_H__
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#define __NMEA_INFO_H__
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#include "time.h"
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#define NMEA_SIG_BAD (0)
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#define NMEA_SIG_LOW (1)
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#define NMEA_SIG_MID (2)
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#define NMEA_SIG_HIGH (3)
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#define NMEA_FIX_BAD (1)
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#define NMEA_FIX_2D (2)
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#define NMEA_FIX_3D (3)
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#define NMEA_MAXSAT (12)
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#define NMEA_SATINPACK (4)
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#define NMEA_NSATPACKS (NMEA_MAXSAT / NMEA_SATINPACK)
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#define NMEA_DEF_LAT (5001.2621)
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#define NMEA_DEF_LON (3613.0595)
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Position data in fractional degrees or radians
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*/
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typedef struct _nmeaPOS
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{
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float lat; /**< Latitude */
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float lon; /**< Longitude */
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} nmeaPOS;
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/**
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* Information about satellite
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* @see nmeaSATINFO
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* @see nmeaGPGSV
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*/
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typedef struct _nmeaSATELLITE
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{
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int id; /**< Satellite PRN number */
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int in_use; /**< Used in position fix */
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int elv; /**< Elevation in degrees, 90 maximum */
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int azimuth; /**< Azimuth, degrees from true north, 000 to 359 */
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int sig; /**< Signal, 00-99 dB */
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} nmeaSATELLITE;
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/**
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* Information about all satellites in view
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* @see nmeaINFO
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* @see nmeaGPGSV
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*/
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typedef struct _nmeaSATINFO
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{
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int inuse; /**< Number of satellites in use (not those in view) */
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int inview; /**< Total number of satellites in view */
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nmeaSATELLITE sat[NMEA_MAXSAT]; /**< Satellites information */
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} nmeaSATINFO;
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/**
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* Summary GPS information from all parsed packets,
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* used also for generating NMEA stream
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* @see nmea_parse
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* @see nmea_GPGGA2info, nmea_...2info
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*/
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typedef struct _nmeaINFO
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{
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int smask; /**< Mask specifying types of packages from which data have been obtained */
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nmeaTIME utc; /**< UTC of position */
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int sig; /**< GPS quality indicator (0 = Invalid; 1 = Fix; 2 = Differential, 3 = Sensitive) */
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int fix; /**< Operating mode, used for navigation (1 = Fix not available; 2 = 2D; 3 = 3D) */
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float PDOP; /**< Position Dilution Of Precision */
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float HDOP; /**< Horizontal Dilution Of Precision */
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float VDOP; /**< Vertical Dilution Of Precision */
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float lat; /**< Latitude in NDEG - +/-[degree][min].[sec/60] */
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float lon; /**< Longitude in NDEG - +/-[degree][min].[sec/60] */
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float elv; /**< Antenna altitude above/below mean sea level (geoid) in meters */
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float speed; /**< Speed over the ground in kilometers/hour */
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float direction; /**< Track angle in degrees True */
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float declination; /**< Magnetic variation degrees (Easterly var. subtracts from true course) */
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nmeaSATINFO satinfo; /**< Satellites information */
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} nmeaINFO;
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void nmea_zero_INFO(nmeaINFO *info);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __NMEA_INFO_H__ */
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