KPN IoT / kpn_senml

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senml_double_pack.cpp

Committer:
kpniot
Date:
2018-05-19
Revision:
0:a9259748d982

File content as of revision 0:a9259748d982:

/*  _  __  ____    _   _ 
 * | |/ / |  _ \  | \ | |
 * | ' /  | |_) | |  \| |
 * | . \  |  __/  | |\  |
 * |_|\_\ |_|     |_| \_|
 * 
 * (c) 2018 KPN
 * License: MIT License.
 * Author: Jan Bogaerts
 * 
 * pack (document) with double base values
 */


#include <senml_double_pack.h> 
#include <senml_helpers.h>
#include <cbor.h> 


void SenMLDoublePack::setupStreamCtx(Stream *dest, SenMLStreamMethod format)
{
    SenMLPack::setupStreamCtx(dest, format);
    _streamCtx->baseValue.baseDouble = this->getBaseValue();
    _streamCtx->baseSum.baseDouble = this->getBaseValue();
    _streamCtx->baseDataType = CBOR_TYPE_DOUBLE;
}

void SenMLDoublePack::setupStreamCtx(char *dest, int length, SenMLStreamMethod format)
{
    SenMLPack::setupStreamCtx(dest, length, format);
    _streamCtx->baseValue.baseDouble = this->getBaseValue();
    _streamCtx->baseSum.baseDouble = this->getBaseValue();
    _streamCtx->baseDataType = CBOR_TYPE_DOUBLE;
}

void SenMLDoublePack::fieldsToJson() 
{
    double val;
    SenMLPack::fieldsToJson();
    val = this->getBaseValue();
    if(val != 0){
        printText(",\"bv\":", 6);
        printDouble(val, SENML_MAX_DOUBLE_PRECISION);
    }

    val = this->getBaseSum();
    if(val != 0){
        printText(",\"bs\":", 6);
        printDouble(val, SENML_MAX_DOUBLE_PRECISION);
    }

}

int SenMLDoublePack::fieldsToCbor() 
{
    int val;
    int res = SenMLPack::fieldsToCbor();
    
    val = this->getBaseValue();
    if(val){
        res += cbor_serialize_int(SENML_CBOR_VB_LABEL);
        res += cbor_serialize_double(val);
    }

    val = this->getBaseSum();
    if(val){
        res += cbor_serialize_int(SENML_CBOR_BS_LABEL);
        res += cbor_serialize_double(val);
    }
    return res;
}