nmea_mwv.c

the example file that can decode the NMEA protocol

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

#include "NMEA_Lib.h"


#if (NMEA_INCLUDE_MWV == 1)

#include "NMEA_MWV.h"


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

    if('M' == sentence[0] && 'W' == sentence[1] && 'V' == sentence[2])
    {
        sentenceToPOINT(sentence, &NMEAObject->MWVObject.WindAngle, &sentence_index, NMEA_MWV_WINDANGLE, flags);
        sentenceToCHAR(sentence, &NMEAObject->MWVObject.Reference, &sentence_index, NMEA_MWV_REFERENCE, flags);
        sentenceToPOINT(sentence, &NMEAObject->MWVObject.WindSpeed, &sentence_index, NMEA_MWV_WINDSPEED, flags);
        sentenceToCHAR(sentence, &NMEAObject->MWVObject.WindSpeedUnits, &sentence_index, NMEA_MWV_WINDSPEEDUNITS, flags);
        sentenceToCHAR(sentence, &NMEAObject->MWVObject.Status, &sentence_index, NMEA_MWV_STATUS, flags);
    }
    return ret_val;
}


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

    sentence[0] = 'M';
    sentence[1] = 'W';
    sentence[2] = 'V';

    sentenceFromPOINT(sentence, &NMEAObject->MWVObject.WindAngle, &sentence_index, NMEA_MWV_WINDANGLE, flags);
    sentenceFromCHAR(sentence, &NMEAObject->MWVObject.Reference, &sentence_index, NMEA_MWV_REFERENCE, flags);
    sentenceFromPOINT(sentence, &NMEAObject->MWVObject.WindSpeed, &sentence_index, NMEA_MWV_WINDSPEED, flags);
    sentenceFromCHAR(sentence, &NMEAObject->MWVObject.WindSpeedUnits, &sentence_index, NMEA_MWV_WINDSPEEDUNITS, flags);
    sentenceFromCHAR(sentence, &NMEAObject->MWVObject.Status, &sentence_index, NMEA_MWV_STATUS, flags);
    return ret_val;
}

#endif