nmea_rmc.c

the example file that can decode the NMEA protocol

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

#include "NMEA_Lib.h"


#if (NMEA_INCLUDE_RMC == 1)

#include "NMEA_RMC.h"


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

    if('R' == sentence[0] && 'M' == sentence[1] && 'C' == sentence[2])
    {
        sentenceToUTC(sentence, &NMEAObject->RMCObject.UTCTime, &sentence_index, NMEA_RMC_UTCTIME, flags);
        sentenceToCHAR(sentence, &NMEAObject->RMCObject.NavigationReceiverWarning, &sentence_index, NMEA_RMC_NAVIGATIONRECEIVERWARNING, flags);
        sentenceToPOINT(sentence, &NMEAObject->RMCObject.Latitude, &sentence_index, NMEA_RMC_LATITUDE, flags);
        sentenceToCHAR(sentence, &NMEAObject->RMCObject.LatitudeNorS, &sentence_index, NMEA_RMC_LATITUDENORS, flags);
        sentenceToPOINT(sentence, &NMEAObject->RMCObject.Longitude, &sentence_index, NMEA_RMC_LONGITUDE, flags);
        sentenceToCHAR(sentence, &NMEAObject->RMCObject.LongitudeEorW, &sentence_index, NMEA_RMC_LONGITUDEEORW, flags);
        sentenceToPOINT(sentence, &NMEAObject->RMCObject.SpeedOverGround, &sentence_index, NMEA_RMC_SPEEDOVERGROUND, flags);
        sentenceToPOINT(sentence, &NMEAObject->RMCObject.TrackMadeGood, &sentence_index, NMEA_RMC_TRACKMADEGOOD, flags);
        sentenceToDATE(sentence, &NMEAObject->RMCObject.Date, &sentence_index, NMEA_RMC_DATE, flags);
        sentenceToPOINT(sentence, &NMEAObject->RMCObject.MagneticVariation, &sentence_index, NMEA_RMC_MAGNETICVARIATION, flags);
        sentenceToCHAR(sentence, &NMEAObject->RMCObject.MagneticVariationEorW, &sentence_index, NMEA_RMC_MAGNETICVARIATIONEORW, flags);
    }
    return ret_val;
}


BOOL NMEA_CreateRMCSentence(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] = 'C';

    sentenceFromUTC(sentence, &NMEAObject->RMCObject.UTCTime, &sentence_index, NMEA_RMC_UTCTIME, flags);
    sentenceFromCHAR(sentence, &NMEAObject->RMCObject.NavigationReceiverWarning, &sentence_index, NMEA_RMC_NAVIGATIONRECEIVERWARNING, flags);
    sentenceFromPOINT(sentence, &NMEAObject->RMCObject.Latitude, &sentence_index, NMEA_RMC_LATITUDE, flags);
    sentenceFromCHAR(sentence, &NMEAObject->RMCObject.LatitudeNorS, &sentence_index, NMEA_RMC_LATITUDENORS, flags);
    sentenceFromPOINT(sentence, &NMEAObject->RMCObject.Longitude, &sentence_index, NMEA_RMC_LONGITUDE, flags);
    sentenceFromCHAR(sentence, &NMEAObject->RMCObject.LongitudeEorW, &sentence_index, NMEA_RMC_LONGITUDEEORW, flags);
    sentenceFromPOINT(sentence, &NMEAObject->RMCObject.SpeedOverGround, &sentence_index, NMEA_RMC_SPEEDOVERGROUND, flags);
    sentenceFromPOINT(sentence, &NMEAObject->RMCObject.TrackMadeGood, &sentence_index, NMEA_RMC_TRACKMADEGOOD, flags);
    sentenceFromDATE(sentence, &NMEAObject->RMCObject.Date, &sentence_index, NMEA_RMC_DATE, flags);
    sentenceFromPOINT(sentence, &NMEAObject->RMCObject.MagneticVariation, &sentence_index, NMEA_RMC_MAGNETICVARIATION, flags);
    sentenceFromCHAR(sentence, &NMEAObject->RMCObject.MagneticVariationEorW, &sentence_index, NMEA_RMC_MAGNETICVARIATIONEORW, flags);
    return ret_val;
}

#endif