nmea_gtd.c

the example file that can decode the NMEA protocol

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

#include "NMEA_Lib.h"


#if (NMEA_INCLUDE_GTD == 1)

#include "NMEA_GTD.h"


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

    if('G' == sentence[0] && 'T' == sentence[1] && 'D' == sentence[2])
    {
        sentenceToPOINT(sentence, &NMEAObject->GTDObject.TimeDifference1, &sentence_index, NMEA_GTD_TIMEDIFFERENCE1, flags);
        sentenceToPOINT(sentence, &NMEAObject->GTDObject.TimeDifference2, &sentence_index, NMEA_GTD_TIMEDIFFERENCE2, flags);
        sentenceToPOINT(sentence, &NMEAObject->GTDObject.TimeDifference3, &sentence_index, NMEA_GTD_TIMEDIFFERENCE3, flags);
        sentenceToPOINT(sentence, &NMEAObject->GTDObject.TimeDifference4, &sentence_index, NMEA_GTD_TIMEDIFFERENCE4, flags);
        sentenceToPOINT(sentence, &NMEAObject->GTDObject.TimeDifference5, &sentence_index, NMEA_GTD_TIMEDIFFERENCE5, flags);
    }
    return ret_val;
}


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

    sentence[0] = 'G';
    sentence[1] = 'T';
    sentence[2] = 'D';

    sentenceFromPOINT(sentence, &NMEAObject->GTDObject.TimeDifference1, &sentence_index, NMEA_GTD_TIMEDIFFERENCE1, flags);
    sentenceFromPOINT(sentence, &NMEAObject->GTDObject.TimeDifference2, &sentence_index, NMEA_GTD_TIMEDIFFERENCE2, flags);
    sentenceFromPOINT(sentence, &NMEAObject->GTDObject.TimeDifference3, &sentence_index, NMEA_GTD_TIMEDIFFERENCE3, flags);
    sentenceFromPOINT(sentence, &NMEAObject->GTDObject.TimeDifference4, &sentence_index, NMEA_GTD_TIMEDIFFERENCE4, flags);
    sentenceFromPOINT(sentence, &NMEAObject->GTDObject.TimeDifference5, &sentence_index, NMEA_GTD_TIMEDIFFERENCE5, flags);
    return ret_val;
}

#endif