nmea_aam.c

the example file that can decode the NMEA protocol

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

#include "NMEA_Lib.h"


#if (NMEA_INCLUDE_AAM == 1)

#include "NMEA_AAM.h"


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

    if('A' == sentence[0] && 'A' == sentence[1] && 'M' == sentence[2])
    {
        sentenceToBOOL(sentence, &NMEAObject->AAMObject.ArrivalCircleEntered, &sentence_index, NMEA_AAM_ARRIVALCIRCLEENTERED, flags);
        sentenceToBOOL(sentence, &NMEAObject->AAMObject.PerpendicularPassedAtWaypoint, &sentence_index, NMEA_AAM_PERPENDICULARPASSEDATWAYPOINT, flags);
        sentenceToPOINT(sentence, &NMEAObject->AAMObject.ArrivalCircleRadius, &sentence_index, NMEA_AAM_ARRIVALCIRCLERADIUS, flags);
        sentenceToUINT8(sentence, &NMEAObject->AAMObject.UnitsOfRadius, &sentence_index, NMEA_AAM_UNITSOFRADIUS, flags);
        sentenceToWPID(sentence, &NMEAObject->AAMObject.WaypointID, &sentence_index, NMEA_AAM_WAYPOINTID, flags);
    }
    return ret_val;
}


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

    sentence[0] = 'A';
    sentence[1] = 'A';
    sentence[2] = 'M';

    sentenceFromBOOL(sentence, &NMEAObject->AAMObject.ArrivalCircleEntered, &sentence_index, NMEA_AAM_ARRIVALCIRCLEENTERED, flags);
    sentenceFromBOOL(sentence, &NMEAObject->AAMObject.PerpendicularPassedAtWaypoint, &sentence_index, NMEA_AAM_PERPENDICULARPASSEDATWAYPOINT, flags);
    sentenceFromPOINT(sentence, &NMEAObject->AAMObject.ArrivalCircleRadius, &sentence_index, NMEA_AAM_ARRIVALCIRCLERADIUS, flags);
    sentenceFromUINT8(sentence, &NMEAObject->AAMObject.UnitsOfRadius, &sentence_index, NMEA_AAM_UNITSOFRADIUS, flags);
    sentenceFromWPID(sentence, &NMEAObject->AAMObject.WaypointID, &sentence_index, NMEA_AAM_WAYPOINTID, flags);
    return ret_val;
}

#endif