nmea_vbw.c

the example file that can decode the NMEA protocol

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

#include "NMEA_Lib.h"


#if (NMEA_INCLUDE_VBW == 1)

#include "NMEA_VBW.h"


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

    if('V' == sentence[0] && 'B' == sentence[1] && 'W' == sentence[2])
    {
        sentenceToPOINT(sentence, &NMEAObject->VBWObject.LongitudinalWaterSpeed, &sentence_index, NMEA_VBW_LONGITUDINALWATERSPEED, flags);
        sentenceToPOINT(sentence, &NMEAObject->VBWObject.TransverseWaterSpeed, &sentence_index, NMEA_VBW_TRANSVERSEWATERSPEED, flags);
        sentenceToCHAR(sentence, &NMEAObject->VBWObject.StatusDataValidWaterSpeed, &sentence_index, NMEA_VBW_STATUSDATAVALIDWATERSPEED, flags);
        sentenceToPOINT(sentence, &NMEAObject->VBWObject.LongitudinalGroundSpeed, &sentence_index, NMEA_VBW_LONGITUDINALGROUNDSPEED, flags);
        sentenceToPOINT(sentence, &NMEAObject->VBWObject.TransverseGroundSpeed, &sentence_index, NMEA_VBW_TRANSVERSEGROUNDSPEED, flags);
        sentenceToCHAR(sentence, &NMEAObject->VBWObject.StatusDataValidGroundSpeed, &sentence_index, NMEA_VBW_STATUSDATAVALIDGROUNDSPEED, flags);
    }
    return ret_val;
}


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

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

    sentenceFromPOINT(sentence, &NMEAObject->VBWObject.LongitudinalWaterSpeed, &sentence_index, NMEA_VBW_LONGITUDINALWATERSPEED, flags);
    sentenceFromPOINT(sentence, &NMEAObject->VBWObject.TransverseWaterSpeed, &sentence_index, NMEA_VBW_TRANSVERSEWATERSPEED, flags);
    sentenceFromCHAR(sentence, &NMEAObject->VBWObject.StatusDataValidWaterSpeed, &sentence_index, NMEA_VBW_STATUSDATAVALIDWATERSPEED, flags);
    sentenceFromPOINT(sentence, &NMEAObject->VBWObject.LongitudinalGroundSpeed, &sentence_index, NMEA_VBW_LONGITUDINALGROUNDSPEED, flags);
    sentenceFromPOINT(sentence, &NMEAObject->VBWObject.TransverseGroundSpeed, &sentence_index, NMEA_VBW_TRANSVERSEGROUNDSPEED, flags);
    sentenceFromCHAR(sentence, &NMEAObject->VBWObject.StatusDataValidGroundSpeed, &sentence_index, NMEA_VBW_STATUSDATAVALIDGROUNDSPEED, flags);
    return ret_val;
}

#endif