74 lines
2.8 KiB
C
74 lines
2.8 KiB
C
//
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// Created by villuton on 25.03.25.
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//
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#ifndef NMEA_GGA_H
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#define NMEA_GGA_H
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#include "Nmea0183Parser_Time.h"
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#include "Nmea0183_Sentence.h"
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#define GGA_MSG_ID "GGA"
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#define GGA_MSG_ID_LEN (3)
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#define DGPS_SID_MIN (0000)
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#define DGPS_SID_MAX (1023)
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#define DIFF_GEOID_IS_BELOW '-'
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/**
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* GPS Quality indicator:
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*/
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typedef enum {
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SIG_Invalid = 0, /**< Fix not valid*/
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SIG_Fix = 1, /**< GPS fix */
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SIG_Differential = 2, /**< Differential GPS fix (DGNSS), SBAS, OmniSTAR VBS, Beacon, RTX in GVBS mode */
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SIG_Sensitive = 3, /**< Not applicable */
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SIG_RtkFixed = 4, /**< RTK Fixed, xFill */
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SIG_RtkFloat = 5, /**< RTK Float, OmniSTAR XP/HP, Location RTK, RTX */
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SIG_InsDead = 6 /**< INS Dead reckoning */
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}eGGA_sig;
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/**
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* Reference station ID's descriptors
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* When using one of the MSS (Mobile Satellite Services),
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* the Reference Station ID field indicates the following services:
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*/
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typedef enum {
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SID_CenterPoint = 0002, /**< CenterPoint or ViewPoint RTX */
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SID_RangePoint = 0005, /**< RangePoint RTX */
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SID_FieldPoint = 0006, /**< FieldPoint RTX */
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SID_VBS = 0100, /**< VBS */
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SID_HP = 1000, /**< HP */
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SID_HP_XP_Orbits = 1001, /**< HP/XP (Orbits) */
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SID_HP_G2_Orbits = 1002, /**< HP/G2 (Orbits) */
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SID_XP_GPS = 1008, /**< XP (GPS) */
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SID_G2_GPS = 1012, /**< G2 (GPS) */
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SID_G2_GPS_GLONASS = 1013, /**< G2 (GPS/GLONASS) */
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SID_G2_GLONASS = 1014, /**< G2 (GLONASS) */
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SID_HP_XP_GPS = 1016, /**< HP/XP (GPS) */
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SID_HP_G2_GPS = 1020, /**< HP/G2 (GPS) */
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SID_HP_G2_GPS_GLONASS = 1021, /**< HP/G2 (GPS/GLONASS) */
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}eGGA_dgps_sid;
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/**
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* GGA packet information structure (Global Positioning System Fix Data)
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*/
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typedef struct
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{
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tNmeaUtc utc; /**< UTC of position (just time) */
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tNmeaLocation location; /**< Sentence location data in fractional NDEG and Cardinal directions */
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eGGA_sig sig; /**< GPS quality indicator (0 = Invalid; 1 = Fix; 2 = Differential, 3 = Sensitive) */
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int satinuse; /**< Number of satellites in use (not those in view) */
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double HDOP; /**< Horizontal dilution of precision */
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double elv; /**< Antenna altitude above/below mean sea level (geoid) */
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char elv_units; /**< [M]eters (Antenna height unit) */
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double diff; /**< Geoidal separation (Diff. between WGS-84 earth ellipsoid and mean sea level. '-' = geoid is below WGS-84 ellipsoid) */
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char diff_units; /**< [M]eters (Units of geoidal separation) */
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double dgps_age; /**< Time in seconds since last DGPS update */
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int dgps_sid; /**< DGPS station ID number */
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} tNmeaGGA;
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#endif //NMEA_GGA_H
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