nmea_ttm.c

the example file that can decode the NMEA protocol

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

#include "NMEA_Lib.h"


#if (NMEA_INCLUDE_TTM == 1)

#include "NMEA_TTM.h"


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

    if('T' == sentence[0] && 'T' == sentence[1] && 'M' == sentence[2])
    {
        sentenceToUINT8(sentence, &NMEAObject->TTMObject.TargetNumber, &sentence_index, NMEA_TTM_TARGETNUMBER, flags);
        sentenceToPOINT(sentence, &NMEAObject->TTMObject.TargetDistance, &sentence_index, NMEA_TTM_TARGETDISTANCE, flags);
        sentenceToPOINT(sentence, &NMEAObject->TTMObject.BearingFromOwnShip, &sentence_index, NMEA_TTM_BEARINGFROMOWNSHIP, flags);
        sentenceToCHAR(sentence, &NMEAObject->TTMObject.BearingUnits, &sentence_index, NMEA_TTM_BEARINGUNITS, flags);
        sentenceToPOINT(sentence, &NMEAObject->TTMObject.Targetspeed, &sentence_index, NMEA_TTM_TARGETSPEED, flags);
        sentenceToPOINT(sentence, &NMEAObject->TTMObject.TargetCourse, &sentence_index, NMEA_TTM_TARGETCOURSE, flags);
        sentenceToCHAR(sentence, &NMEAObject->TTMObject.CourseUnits, &sentence_index, NMEA_TTM_COURSEUNITS, flags);
        sentenceToPOINT(sentence, &NMEAObject->TTMObject.DistanceOfClosestPointOfApproach, &sentence_index, NMEA_TTM_DISTANCEOFCLOSESTPOINTOFAPPROACH, flags);
        sentenceToPOINT(sentence, &NMEAObject->TTMObject.TimeUntilClosestPointOfApproach, &sentence_index, NMEA_TTM_TIMEUNTILCLOSESTPOINTOFAPPROACH, flags);
        sentenceToCHAR(sentence, &NMEAObject->TTMObject.Unknown, &sentence_index, NMEA_TTM_UNKNOWN, flags);
        sentenceToTIME(sentence, &NMEAObject->TTMObject.TargetName, &sentence_index, NMEA_TTM_TARGETNAME, flags);
        sentenceToCHAR(sentence, &NMEAObject->TTMObject.TargetStatus, &sentence_index, NMEA_TTM_TARGETSTATUS, flags);
        sentenceToCHAR(sentence, &NMEAObject->TTMObject.ReferenceTarget, &sentence_index, NMEA_TTM_REFERENCETARGET, flags);
    }
    return ret_val;
}


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

    sentence[0] = 'T';
    sentence[1] = 'T';
    sentence[2] = 'M';

    sentenceFromUINT8(sentence, &NMEAObject->TTMObject.TargetNumber, &sentence_index, NMEA_TTM_TARGETNUMBER, flags);
    sentenceFromPOINT(sentence, &NMEAObject->TTMObject.TargetDistance, &sentence_index, NMEA_TTM_TARGETDISTANCE, flags);
    sentenceFromPOINT(sentence, &NMEAObject->TTMObject.BearingFromOwnShip, &sentence_index, NMEA_TTM_BEARINGFROMOWNSHIP, flags);
    sentenceFromCHAR(sentence, &NMEAObject->TTMObject.BearingUnits, &sentence_index, NMEA_TTM_BEARINGUNITS, flags);
    sentenceFromPOINT(sentence, &NMEAObject->TTMObject.Targetspeed, &sentence_index, NMEA_TTM_TARGETSPEED, flags);
    sentenceFromPOINT(sentence, &NMEAObject->TTMObject.TargetCourse, &sentence_index, NMEA_TTM_TARGETCOURSE, flags);
    sentenceFromCHAR(sentence, &NMEAObject->TTMObject.CourseUnits, &sentence_index, NMEA_TTM_COURSEUNITS, flags);
    sentenceFromPOINT(sentence, &NMEAObject->TTMObject.DistanceOfClosestPointOfApproach, &sentence_index, NMEA_TTM_DISTANCEOFCLOSESTPOINTOFAPPROACH, flags);
    sentenceFromPOINT(sentence, &NMEAObject->TTMObject.TimeUntilClosestPointOfApproach, &sentence_index, NMEA_TTM_TIMEUNTILCLOSESTPOINTOFAPPROACH, flags);
    sentenceFromCHAR(sentence, &NMEAObject->TTMObject.Unknown, &sentence_index, NMEA_TTM_UNKNOWN, flags);
    sentenceFromTIME(sentence, &NMEAObject->TTMObject.TargetName, &sentence_index, NMEA_TTM_TARGETNAME, flags);
    sentenceFromCHAR(sentence, &NMEAObject->TTMObject.TargetStatus, &sentence_index, NMEA_TTM_TARGETSTATUS, flags);
    sentenceFromCHAR(sentence, &NMEAObject->TTMObject.ReferenceTarget, &sentence_index, NMEA_TTM_REFERENCETARGET, flags);
    return ret_val;
}

#endif