nmea_oln.c

the example file that can decode the NMEA protocol

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

#include "NMEA_Lib.h"


#if (NMEA_INCLUDE_OLN == 1)

#include "NMEA_OLN.h"


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

    if('O' == sentence[0] && 'L' == sentence[1] && 'N' == sentence[2])
    {
        sentenceToUINT8(sentence, &NMEAObject->OLNObject.OmegaPair1A, &sentence_index, NMEA_OLN_OMEGAPAIR1A, flags);
        sentenceToUINT16(sentence, &NMEAObject->OLNObject.OmegaPair1B, &sentence_index, NMEA_OLN_OMEGAPAIR1B, flags);
        sentenceToUINT8(sentence, &NMEAObject->OLNObject.OmegaPair2A, &sentence_index, NMEA_OLN_OMEGAPAIR2A, flags);
        sentenceToUINT16(sentence, &NMEAObject->OLNObject.OmegaPair2B, &sentence_index, NMEA_OLN_OMEGAPAIR2B, flags);
        sentenceToUINT8(sentence, &NMEAObject->OLNObject.OmegaPair3A, &sentence_index, NMEA_OLN_OMEGAPAIR3A, flags);
        sentenceToUINT16(sentence, &NMEAObject->OLNObject.OmegaPair3B, &sentence_index, NMEA_OLN_OMEGAPAIR3B, flags);
    }
    return ret_val;
}


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

    sentence[0] = 'O';
    sentence[1] = 'L';
    sentence[2] = 'N';

    sentenceFromUINT8(sentence, &NMEAObject->OLNObject.OmegaPair1A, &sentence_index, NMEA_OLN_OMEGAPAIR1A, flags);
    sentenceFromUINT16(sentence, &NMEAObject->OLNObject.OmegaPair1B, &sentence_index, NMEA_OLN_OMEGAPAIR1B, flags);
    sentenceFromUINT8(sentence, &NMEAObject->OLNObject.OmegaPair2A, &sentence_index, NMEA_OLN_OMEGAPAIR2A, flags);
    sentenceFromUINT16(sentence, &NMEAObject->OLNObject.OmegaPair2B, &sentence_index, NMEA_OLN_OMEGAPAIR2B, flags);
    sentenceFromUINT8(sentence, &NMEAObject->OLNObject.OmegaPair3A, &sentence_index, NMEA_OLN_OMEGAPAIR3A, flags);
    sentenceFromUINT16(sentence, &NMEAObject->OLNObject.OmegaPair3B, &sentence_index, NMEA_OLN_OMEGAPAIR3B, flags);
    return ret_val;
}

#endif