nmea_bww.c

the example file that can decode the NMEA protocol

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

#include "NMEA_Lib.h"


#if (NMEA_INCLUDE_BWW == 1)

#include "NMEA_BWW.h"


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

    if('B' == sentence[0] && 'W' == sentence[1] && 'W' == sentence[2])
    {
        sentenceToPOINT(sentence, &NMEAObject->BWWObject.BearingDegrees, &sentence_index, NMEA_BWW_BEARINGDEGREES, flags);
        sentenceToCHAR(sentence, &NMEAObject->BWWObject.True, &sentence_index, NMEA_BWW_TRUE, flags);
        sentenceToPOINT(sentence, &NMEAObject->BWWObject.BearingDegreesMagnetic, &sentence_index, NMEA_BWW_BEARINGDEGREESMAGNETIC, flags);
        sentenceToCHAR(sentence, &NMEAObject->BWWObject.Magnetic, &sentence_index, NMEA_BWW_MAGNETIC, flags);
        sentenceToWPID(sentence, &NMEAObject->BWWObject.ToWaypoint, &sentence_index, NMEA_BWW_TOWAYPOINT, flags);
        sentenceToWPID(sentence, &NMEAObject->BWWObject.FromWaypoint, &sentence_index, NMEA_BWW_FROMWAYPOINT, flags);
    }
    return ret_val;
}


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

    sentence[0] = 'B';
    sentence[1] = 'W';
    sentence[2] = 'W';

    sentenceFromPOINT(sentence, &NMEAObject->BWWObject.BearingDegrees, &sentence_index, NMEA_BWW_BEARINGDEGREES, flags);
    sentenceFromCHAR(sentence, &NMEAObject->BWWObject.True, &sentence_index, NMEA_BWW_TRUE, flags);
    sentenceFromPOINT(sentence, &NMEAObject->BWWObject.BearingDegreesMagnetic, &sentence_index, NMEA_BWW_BEARINGDEGREESMAGNETIC, flags);
    sentenceFromCHAR(sentence, &NMEAObject->BWWObject.Magnetic, &sentence_index, NMEA_BWW_MAGNETIC, flags);
    sentenceFromWPID(sentence, &NMEAObject->BWWObject.ToWaypoint, &sentence_index, NMEA_BWW_TOWAYPOINT, flags);
    sentenceFromWPID(sentence, &NMEAObject->BWWObject.FromWaypoint, &sentence_index, NMEA_BWW_FROMWAYPOINT, flags);
    return ret_val;
}

#endif