nmea_types.h

the example file that can decode the NMEA protocol

#ifndef  _NMEATYPES_H_
#define  _NMEATYPES_H_

struct NMEAObject_t /*lint !e753 local union not referenced*/
{
    CHAR TypeStr[5];
    BOOL (*parseFunc)(CHAR * sentence, struct NMEAObject_t * no, UINT32 * flags);

#if (NMEA_INCLUDE_AAM == 1)
        struct AAMObject_t
        {
            BOOL ArrivalCircleEntered;
            BOOL PerpendicularPassedAtWaypoint;
            POINT ArrivalCircleRadius;
            UINT8 UnitsOfRadius;
            WPID WaypointID;
        }AAMObject;
#endif

#if (NMEA_INCLUDE_ALM == 1)
        struct ALMObject_t
        {
            POINT TotalNumberOfMessages;
            POINT MessageNumber;
            UINT8 SatellitePRNNumber;
            POINT GPSWeekNumber;
            UINT8 SVHealth;
            UINT16 Eccentricity;
            UINT8 AlmanacReferenceTime;
            UINT16 InclinationAngle;
            UINT16 RateOfRightAscension;
            UINT16 RootOfSemiMajorAxis;
            UINT16 ArgumentOfPerigee;
            UINT16 LongitudeOfAscensionNode;
            UINT16 MeanAnomaly;
            UINT16 F0ClockParameter;
            UINT16 F1ClockParameter;
        }ALMObject;
#endif

#if (NMEA_INCLUDE_APA == 1)
        struct APAObject_t
        {
            CHAR StatusBlink;
            CHAR StatusCycleLockWarning;
            POINT CrossTrackErrorMagnitude;
            CHAR DirectionToSteer;
            CHAR CrossTrackUnits;
            CHAR StatusArrivalCircleEntered;
            CHAR StatusPerpendicularPassedAtWaypoint;
            UINT16 BearingOriginToDestination;
            CHAR MagneticOrTrue;
            WPID DestinationWaypointID;
        }APAObject;
#endif

#if (NMEA_INCLUDE_APB == 1)
        struct APBObject_t
        {
            CHAR StatusBlink;
            CHAR StatusCycleLockWarning;
            POINT CrossTrackErrorMagnitude;
            CHAR DirectionToSteer;
            CHAR CrossTrackUnits;
            CHAR StatusArrivalCircleEntered;
            CHAR StatusPerpendicularPassedAtWaypoint;
            POINT BearingOriginToDestination;
            CHAR BODDeclination;
            WPID DestinationWaypointID;
            POINT BearingPresentPositionToDestination;
            CHAR Declination;
            POINT HeadingToSteerToDestinationWaypoint;
            CHAR HTSDWDeclination;
        }APBObject;
#endif

#if (NMEA_INCLUDE_ASD == 1)
        struct ASDObject_t
        {
            CHAR checksum;
        }ASDObject;
#endif

#if (NMEA_INCLUDE_BEC == 1)
        struct BECObject_t
        {
            UTC UTCTime;
            POINT WaypointLatitude;
            CHAR NorthOrSouth;
            POINT WaypointLongitude;
            CHAR EastOrWest;
            POINT Bearing;
            CHAR True;
            POINT BearingMagnetic;
            CHAR Magnetic;
            POINT NauticalMiles;
            CHAR MilesNautical;
            WPID WaypointID;
        }BECObject;
#endif

#if (NMEA_INCLUDE_BOD == 1)
        struct BODObject_t
        {
            POINT BearingDegreesTrue;
            CHAR True;
            POINT BearingDegreesMagnetic;
            CHAR Magnetic;
            WPID ToWaypoint;
            WPID FromWaypoint;
        }BODObject;
#endif

#if (NMEA_INCLUDE_BWC == 1)
        struct BWCObject_t
        {
            UTC UTCTime;
            POINT WaypointLatitude;
            CHAR NorthOrSouth;
            POINT WaypointLongitude;
            CHAR EastOrWest;
            POINT BearingTrue;
            CHAR True;
            POINT BearingMagnetic;
            CHAR Magnetic;
            POINT NauticalMiles;
            CHAR NauticalMile;
            WPID WaypointID;
        }BWCObject;
#endif

#if (NMEA_INCLUDE_BWR == 1)
        struct BWRObject_t
        {
            UTC UTCTime;
            POINT WaypointLatitude;
            CHAR NorthSouth;
            POINT WaypointLongitude;
            CHAR EastWest;
            POINT BearingTrue;
            CHAR True;
            POINT BearingMagnetic;
            CHAR Magnetic;
            POINT NauticalMiles;
            CHAR NauticalMile;
            WPID WaypointID;
        }BWRObject;
#endif

#if (NMEA_INCLUDE_BWW == 1)
        struct BWWObject_t
        {
            POINT BearingDegrees;
            CHAR True;
            POINT BearingDegreesMagnetic;
            CHAR Magnetic;
            WPID ToWaypoint;
            WPID FromWaypoint;
        }BWWObject;
#endif

#if (NMEA_INCLUDE_DBK == 1)
        struct DBKObject_t
        {
            POINT DepthFeet;
            CHAR Feet;
            POINT DepthMeters;
            CHAR Meters;
            POINT DepthFathoms;
            CHAR Fathoms;
        }DBKObject;
#endif

#if (NMEA_INCLUDE_DBS == 1)
        struct DBSObject_t
        {
            POINT DepthFeet;
            CHAR Feet;
            POINT DepthMeters;
            CHAR Meters;
            POINT DepthFathoms;
            CHAR Fathoms;
        }DBSObject;
#endif

#if (NMEA_INCLUDE_DBT == 1)
        struct DBTObject_t
        {
            POINT DepthFeet;
            CHAR Feet;
            POINT DepthMeters;
            CHAR Meters;
            POINT DepthFathoms;
            CHAR Fathoms;
        }DBTObject;
#endif

#if (NMEA_INCLUDE_DCN == 1)
        struct DCNObject_t
        {
            CHAR DeccaChainIdentifier;
            CHAR RedZoneIdentifier;
            POINT RedLineOfPosition;
            CHAR RedMasterLineStatus;
            CHAR GreenZoneIdentifier;
            POINT GreenLineOfPosition;
            CHAR GreenMasterLineStatus;
            CHAR PurpleZoneIdentifier;
            POINT PurpleLineOfPosition;
            CHAR PurpleMasterLineStatus;
            CHAR RedLineNavigationUse;
            CHAR GreenLineNavigationUse;
            CHAR PurpleLineNavigationUse;
            POINT PositionUncertainity;
            CHAR NauticalMiles;
            CHAR FixDataBasis;
        }DCNObject;
#endif

#if (NMEA_INCLUDE_DPT == 1)
        struct DPTObject_t
        {
            POINT DepthMeters;
            POINT OffsetFromTransducer;
        }DPTObject;
#endif

#if (NMEA_INCLUDE_FSI == 1)
        struct FSIObject_t
        {
            UINT32 TransmittingFrequency;
            UINT32 ReceivingFrequency;
            CHAR CommunicationsMode;
            CHAR PowerLevel;
        }FSIObject;
#endif

#if (NMEA_INCLUDE_GGA == 1)
        struct GGAObject_t
        {
            UTC UniversalTimeCoordinated;
            POINT Latitude;
            CHAR NorthOrSouth;
            POINT Longitude;
            CHAR EastOrWest;
            CHAR GPSQualityIndicator;
            UINT8 NumberOfSatellitesInView;
            POINT HorizontalDilutionOfPrecision;
            POINT AntennaAltitudeAboveBelowMeansealevel;
            CHAR UnitsOfAntennaAltitude;
            POINT GeoidalSeparation;
            CHAR UnitsOfGeoidalSeparation;
            POINT AgeOfDifferentialGPSData;
            UINT32 DifferentialReferenceStationID;
        }GGAObject;
#endif

#if (NMEA_INCLUDE_GLC == 1)
        struct GLCObject_t
        {
            UINT32 GRIMicrosecondsPer10;
            POINT MasterTOAMicroseconds;
            CHAR MasterTOASignalStatus;
            POINT TimeDifference1Microseconds;
            CHAR TimeDifference1SignalStatus;
            POINT TimeDifference2Microseconds;
            CHAR TimeDifference2SignalStatus;
            POINT TimeDifference3Microseconds;
            CHAR TimeDifference3SignalStatus;
            POINT TimeDifference4Microseconds;
            CHAR TimeDifference4SignalStatus;
            POINT TimeDifference5Microseconds;
            CHAR TimeDifference5SignalStatus;
        }GLCObject;
#endif

#if (NMEA_INCLUDE_GLL == 1)
        struct GLLObject_t
        {
            POINT Latitude;
            CHAR NorthOrSouth;
            POINT Longitude;
            CHAR EastOrWest;
            UTC UniversalTimeCoordinated;
            CHAR StatusA;
        }GLLObject;
#endif

#if (NMEA_INCLUDE_GSA == 1)
        struct GSAObject_t
        {
            CHAR SelectionMode;
            CHAR Mode;
            CHAR IDofSatelliteUsedForFix1;
            CHAR IDofSatelliteUsedForFix2;
            CHAR IDofSatelliteUsedForFix3;
            CHAR IDofSatelliteUsedForFix4;
            CHAR IDofSatelliteUsedForFix5;
            CHAR IDofSatelliteUsedForFix6;
            CHAR IDofSatelliteUsedForFix7;
            CHAR IDofSatelliteUsedForFix8;
            CHAR IDofSatelliteUsedForFix9;
            CHAR IDofSatelliteUsedForFix10;
            CHAR IDofSatelliteUsedForFix11;
            CHAR IDofSatelliteUsedForFix12;
            POINT PDOP;
            POINT HDOP;
            POINT VDOP;
        }GSAObject;
#endif

#if (NMEA_INCLUDE_GSV == 1)
        struct GSVObject_t
        {
            UINT8 TotalNumberOfMessages;
            UINT8 MessageNumber;
            UINT8 SatellitesInView;
            UINT8 SatelliteNumber;
            UINT8 ElevationInDegrees;
            UINT8 AzimuthInDegreesToTrue;
            UINT8 SNRindB;
        }GSVObject;
#endif

#if (NMEA_INCLUDE_GTD == 1)
        struct GTDObject_t
        {
            POINT TimeDifference1;
            POINT TimeDifference2;
            POINT TimeDifference3;
            POINT TimeDifference4;
            POINT TimeDifference5;
        }GTDObject;
#endif

#if (NMEA_INCLUDE_GXA == 1)
        struct GXAObject_t
        {
            UTC UTCofPositionFix;
            POINT Latitude;
            CHAR NorthOrSouth;
            POINT Longitude;
            CHAR EastOrWest;
            WPID WaypointID;
            UINT8 SateliteNumber;
        }GXAObject;
#endif

#if (NMEA_INCLUDE_HDG == 1)
        struct HDGObject_t
        {
            POINT MagneticSensorHeading;
            POINT MagneticDeviationDegrees;
            CHAR MagneticDeviationDirection;
            POINT MagneticVariationDegrees;
            CHAR MagneticVariationDirection;
        }HDGObject;
#endif

#if (NMEA_INCLUDE_HDM == 1)
        struct HDMObject_t
        {
            POINT HeadingDegrees;
            CHAR Magnetic;
        }HDMObject;
#endif

#if (NMEA_INCLUDE_HDT == 1)
        struct HDTObject_t
        {
            POINT HeadingDegrees;
            CHAR True;
        }HDTObject;
#endif

#if (NMEA_INCLUDE_HSC == 1)
        struct HSCObject_t
        {
            POINT HeadingDegrees;
            CHAR True;
            POINT HeadingDegreesMagnetic;
            CHAR Magnetic;
        }HSCObject;
#endif

#if (NMEA_INCLUDE_LCD == 1)
        struct LCDObject_t
        {
            UINT16 GRIMicroseconds10;
            UINT16 MasterRelativeSNR;
            UINT16 MasterRelativeECD;
            UINT16 TimeDifference1Microseconds;
            UINT16 TimeDifference1SignalStatus;
            UINT16 TimeDifference2Microseconds;
            UINT16 TimeDifference2SignalStatus;
            UINT16 TimeDifference3Microseconds;
            UINT16 TimeDifference3SignalStatus;
            UINT16 TimeDifference4Microseconds;
            UINT16 TimeDifference4SignalStatus;
            UINT16 TimeDifference5Microseconds;
            UINT16 TimeDifference5SignalStatus;
        }LCDObject;
#endif

#if (NMEA_INCLUDE_MTW == 1)
        struct MTWObject_t
        {
            POINT Degrees;
            CHAR UnitOfMeasurement;
        }MTWObject;
#endif

#if (NMEA_INCLUDE_MWV == 1)
        struct MWVObject_t
        {
            POINT WindAngle;
            CHAR Reference;
            POINT WindSpeed;
            CHAR WindSpeedUnits;
            CHAR Status;
        }MWVObject;
#endif

#if (NMEA_INCLUDE_OLN == 1)
        struct OLNObject_t
        {
            UINT8 OmegaPair1A;
            UINT16 OmegaPair1B;
            UINT8 OmegaPair2A;
            UINT16 OmegaPair2B;
            UINT8 OmegaPair3A;
            UINT16 OmegaPair3B;
        }OLNObject;
#endif

#if (NMEA_INCLUDE_OSD == 1)
        struct OSDObject_t
        {
            POINT HeadingDegrees;
            CHAR Status;
            POINT VesselCourse;
            CHAR CourseReference;
            POINT VesselSpeed;
            CHAR SpeedReference;
            POINT VesselSet;
            POINT VesselDrift;
            CHAR SpeedUnits;
        }OSDObject;
#endif

#if (NMEA_INCLUDE_R00 == 1)