nmea_gxa.c

the example file that can decode the NMEA protocol

#include <stdlib.h>
#include <string.h>

#include "NMEA_Lib.h"


#if (NMEA_INCLUDE_GXA == 1)

#include "NMEA_GXA.h"


BOOL NMEA_ParseGXASentence(CHAR * sentence, struct NMEAObject_t * NMEAObject, UINT32 * flags)
{
    UINT32 sentence_index = 3;
    BOOL ret_val = NMEA_FAILURE;

    if('G' == sentence[0] && 'X' == sentence[1] && 'A' == sentence[2])
    {
        sentenceToUTC(sentence, &NMEAObject->GXAObject.UTCofPositionFix, &sentence_index, NMEA_GXA_UTCOFPOSITIONFIX, flags);
        sentenceToPOINT(sentence, &NMEAObject->GXAObject.Latitude, &sentence_index, NMEA_GXA_LATITUDE, flags);
        sentenceToCHAR(sentence, &NMEAObject->GXAObject.NorthOrSouth, &sentence_index, NMEA_GXA_NORTHORSOUTH, flags);
        sentenceToPOINT(sentence, &NMEAObject->GXAObject.Longitude, &sentence_index, NMEA_GXA_LONGITUDE, flags);
        sentenceToCHAR(sentence, &NMEAObject->GXAObject.EastOrWest, &sentence_index, NMEA_GXA_EASTORWEST, flags);
        sentenceToWPID(sentence, &NMEAObject->GXAObject.WaypointID, &sentence_index, NMEA_GXA_WAYPOINTID, flags);
        sentenceToUINT8(sentence, &NMEAObject->GXAObject.SateliteNumber, &sentence_index, NMEA_GXA_SATELITENUMBER, flags);
    }
    return ret_val;
}


BOOL NMEA_CreateGXASentence(CHAR * sentence, struct NMEAObject_t * NMEAObject, UINT32 * flags)
{
    UINT32 sentence_index = 3;
    BOOL ret_val = NMEA_FAILURE;

    sentence[0] = 'G';
    sentence[1] = 'X';
    sentence[2] = 'A';

    sentenceFromUTC(sentence, &NMEAObject->GXAObject.UTCofPositionFix, &sentence_index, NMEA_GXA_UTCOFPOSITIONFIX, flags);
    sentenceFromPOINT(sentence, &NMEAObject->GXAObject.Latitude, &sentence_index, NMEA_GXA_LATITUDE, flags);
    sentenceFromCHAR(sentence, &NMEAObject->GXAObject.NorthOrSouth, &sentence_index, NMEA_GXA_NORTHORSOUTH, flags);
    sentenceFromPOINT(sentence, &NMEAObject->GXAObject.Longitude, &sentence_index, NMEA_GXA_LONGITUDE, flags);
    sentenceFromCHAR(sentence, &NMEAObject->GXAObject.EastOrWest, &sentence_index, NMEA_GXA_EASTORWEST, flags);
    sentenceFromWPID(sentence, &NMEAObject->GXAObject.WaypointID, &sentence_index, NMEA_GXA_WAYPOINTID, flags);
    sentenceFromUINT8(sentence, &NMEAObject->GXAObject.SateliteNumber, &sentence_index, NMEA_GXA_SATELITENUMBER, flags);
    return ret_val;
}

#endif