nmea_rma.c

the example file that can decode the NMEA protocol

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

#include "NMEA_Lib.h"


#if (NMEA_INCLUDE_RMA == 1)

#include "NMEA_RMA.h"


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

    if('R' == sentence[0] && 'M' == sentence[1] && 'A' == sentence[2])
    {
        sentenceToCHAR(sentence, &NMEAObject->RMAObject.BlinkWarning, &sentence_index, NMEA_RMA_BLINKWARNING, flags);
        sentenceToPOINT(sentence, &NMEAObject->RMAObject.Latitude, &sentence_index, NMEA_RMA_LATITUDE, flags);
        sentenceToCHAR(sentence, &NMEAObject->RMAObject.NorthOrSouth, &sentence_index, NMEA_RMA_NORTHORSOUTH, flags);
        sentenceToPOINT(sentence, &NMEAObject->RMAObject.Longitude, &sentence_index, NMEA_RMA_LONGITUDE, flags);
        sentenceToCHAR(sentence, &NMEAObject->RMAObject.EastOrWest, &sentence_index, NMEA_RMA_EASTORWEST, flags);
        sentenceToPOINT(sentence, &NMEAObject->RMAObject.TimeDifferenceA, &sentence_index, NMEA_RMA_TIMEDIFFERENCEA, flags);
        sentenceToPOINT(sentence, &NMEAObject->RMAObject.TimeDifferenceB, &sentence_index, NMEA_RMA_TIMEDIFFERENCEB, flags);
        sentenceToPOINT(sentence, &NMEAObject->RMAObject.SpeedOverGround, &sentence_index, NMEA_RMA_SPEEDOVERGROUND, flags);
        sentenceToPOINT(sentence, &NMEAObject->RMAObject.TrackMadeGood, &sentence_index, NMEA_RMA_TRACKMADEGOOD, flags);
        sentenceToPOINT(sentence, &NMEAObject->RMAObject.MagneticVariation, &sentence_index, NMEA_RMA_MAGNETICVARIATION, flags);
        sentenceToCHAR(sentence, &NMEAObject->RMAObject.MagneticVariationEastOrWest, &sentence_index, NMEA_RMA_MAGNETICVARIATIONEASTORWEST, flags);
    }
    return ret_val;
}


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

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

    sentenceFromCHAR(sentence, &NMEAObject->RMAObject.BlinkWarning, &sentence_index, NMEA_RMA_BLINKWARNING, flags);
    sentenceFromPOINT(sentence, &NMEAObject->RMAObject.Latitude, &sentence_index, NMEA_RMA_LATITUDE, flags);
    sentenceFromCHAR(sentence, &NMEAObject->RMAObject.NorthOrSouth, &sentence_index, NMEA_RMA_NORTHORSOUTH, flags);
    sentenceFromPOINT(sentence, &NMEAObject->RMAObject.Longitude, &sentence_index, NMEA_RMA_LONGITUDE, flags);
    sentenceFromCHAR(sentence, &NMEAObject->RMAObject.EastOrWest, &sentence_index, NMEA_RMA_EASTORWEST, flags);
    sentenceFromPOINT(sentence, &NMEAObject->RMAObject.TimeDifferenceA, &sentence_index, NMEA_RMA_TIMEDIFFERENCEA, flags);
    sentenceFromPOINT(sentence, &NMEAObject->RMAObject.TimeDifferenceB, &sentence_index, NMEA_RMA_TIMEDIFFERENCEB, flags);
    sentenceFromPOINT(sentence, &NMEAObject->RMAObject.SpeedOverGround, &sentence_index, NMEA_RMA_SPEEDOVERGROUND, flags);
    sentenceFromPOINT(sentence, &NMEAObject->RMAObject.TrackMadeGood, &sentence_index, NMEA_RMA_TRACKMADEGOOD, flags);
    sentenceFromPOINT(sentence, &NMEAObject->RMAObject.MagneticVariation, &sentence_index, NMEA_RMA_MAGNETICVARIATION, flags);
    sentenceFromCHAR(sentence, &NMEAObject->RMAObject.MagneticVariationEastOrWest, &sentence_index, NMEA_RMA_MAGNETICVARIATIONEASTORWEST, flags);
    return ret_val;
}

#endif