nmea_xte.c

the example file that can decode the NMEA protocol

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

#include "NMEA_Lib.h"


#if (NMEA_INCLUDE_XTE == 1)

#include "NMEA_XTE.h"


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

    if('X' == sentence[0] && 'T' == sentence[1] && 'E' == sentence[2])
    {
        sentenceToCHAR(sentence, &NMEAObject->XTEObject.StatusLoranCBlinkOrSNRWarning, &sentence_index, NMEA_XTE_STATUSLORANCBLINKORSNRWARNING, flags);
        sentenceToCHAR(sentence, &NMEAObject->XTEObject.StatusLoranCCycleLockWarningFlag, &sentence_index, NMEA_XTE_STATUSLORANCCYCLELOCKWARNINGFLAG, flags);
        sentenceToPOINT(sentence, &NMEAObject->XTEObject.CrossTrackErrorMagnitude, &sentence_index, NMEA_XTE_CROSSTRACKERRORMAGNITUDE, flags);
        sentenceToCHAR(sentence, &NMEAObject->XTEObject.DirectionToSteer, &sentence_index, NMEA_XTE_DIRECTIONTOSTEER, flags);
        sentenceToCHAR(sentence, &NMEAObject->XTEObject.CrossTrackUnitsNauticalMiles, &sentence_index, NMEA_XTE_CROSSTRACKUNITSNAUTICALMILES, flags);
    }
    return ret_val;
}


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

    sentence[0] = 'X';
    sentence[1] = 'T';
    sentence[2] = 'E';

    sentenceFromCHAR(sentence, &NMEAObject->XTEObject.StatusLoranCBlinkOrSNRWarning, &sentence_index, NMEA_XTE_STATUSLORANCBLINKORSNRWARNING, flags);
    sentenceFromCHAR(sentence, &NMEAObject->XTEObject.StatusLoranCCycleLockWarningFlag, &sentence_index, NMEA_XTE_STATUSLORANCCYCLELOCKWARNINGFLAG, flags);
    sentenceFromPOINT(sentence, &NMEAObject->XTEObject.CrossTrackErrorMagnitude, &sentence_index, NMEA_XTE_CROSSTRACKERRORMAGNITUDE, flags);
    sentenceFromCHAR(sentence, &NMEAObject->XTEObject.DirectionToSteer, &sentence_index, NMEA_XTE_DIRECTIONTOSTEER, flags);
    sentenceFromCHAR(sentence, &NMEAObject->XTEObject.CrossTrackUnitsNauticalMiles, &sentence_index, NMEA_XTE_CROSSTRACKUNITSNAUTICALMILES, flags);
    return ret_val;
}

#endif