KPN IoT / kpn_senml

The KPN SenML library helps you create and parse senml documents in both json and cbor format. The library can be used for sending sensor data and receiving actuator commands.

senml_double_pack.cpp@0:a9259748d982, 2018-05-19 (annotated)

Committer:
kpniot
Date:
Sat May 19 17:35:20 2018 +0000
Revision:
0:a9259748d982
first commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kpniot 0:a9259748d982 1 /* _ __ ____ _ _
kpniot 0:a9259748d982 2 * | |/ / | _ \ | \ | |
kpniot 0:a9259748d982 3 * | ' / | |_) | | \| |
kpniot 0:a9259748d982 4 * | . \ | __/ | |\ |
kpniot 0:a9259748d982 5 * |_|\_\ |_| |_| \_|
kpniot 0:a9259748d982 6 *
kpniot 0:a9259748d982 7 * (c) 2018 KPN
kpniot 0:a9259748d982 8 * License: MIT License.
kpniot 0:a9259748d982 9 * Author: Jan Bogaerts
kpniot 0:a9259748d982 10 *
kpniot 0:a9259748d982 11 * pack (document) with double base values
kpniot 0:a9259748d982 12 */
kpniot 0:a9259748d982 13
kpniot 0:a9259748d982 14
kpniot 0:a9259748d982 15 #include <senml_double_pack.h>
kpniot 0:a9259748d982 16 #include <senml_helpers.h>
kpniot 0:a9259748d982 17 #include <cbor.h>
kpniot 0:a9259748d982 18
kpniot 0:a9259748d982 19
kpniot 0:a9259748d982 20 void SenMLDoublePack::setupStreamCtx(Stream *dest, SenMLStreamMethod format)
kpniot 0:a9259748d982 21 {
kpniot 0:a9259748d982 22 SenMLPack::setupStreamCtx(dest, format);
kpniot 0:a9259748d982 23 _streamCtx->baseValue.baseDouble = this->getBaseValue();
kpniot 0:a9259748d982 24 _streamCtx->baseSum.baseDouble = this->getBaseValue();
kpniot 0:a9259748d982 25 _streamCtx->baseDataType = CBOR_TYPE_DOUBLE;
kpniot 0:a9259748d982 26 }
kpniot 0:a9259748d982 27
kpniot 0:a9259748d982 28 void SenMLDoublePack::setupStreamCtx(char *dest, int length, SenMLStreamMethod format)
kpniot 0:a9259748d982 29 {
kpniot 0:a9259748d982 30 SenMLPack::setupStreamCtx(dest, length, format);
kpniot 0:a9259748d982 31 _streamCtx->baseValue.baseDouble = this->getBaseValue();
kpniot 0:a9259748d982 32 _streamCtx->baseSum.baseDouble = this->getBaseValue();
kpniot 0:a9259748d982 33 _streamCtx->baseDataType = CBOR_TYPE_DOUBLE;
kpniot 0:a9259748d982 34 }
kpniot 0:a9259748d982 35
kpniot 0:a9259748d982 36 void SenMLDoublePack::fieldsToJson()
kpniot 0:a9259748d982 37 {
kpniot 0:a9259748d982 38 double val;
kpniot 0:a9259748d982 39 SenMLPack::fieldsToJson();
kpniot 0:a9259748d982 40 val = this->getBaseValue();
kpniot 0:a9259748d982 41 if(val != 0){
kpniot 0:a9259748d982 42 printText(",\"bv\":", 6);
kpniot 0:a9259748d982 43 printDouble(val, SENML_MAX_DOUBLE_PRECISION);
kpniot 0:a9259748d982 44 }
kpniot 0:a9259748d982 45
kpniot 0:a9259748d982 46 val = this->getBaseSum();
kpniot 0:a9259748d982 47 if(val != 0){
kpniot 0:a9259748d982 48 printText(",\"bs\":", 6);
kpniot 0:a9259748d982 49 printDouble(val, SENML_MAX_DOUBLE_PRECISION);
kpniot 0:a9259748d982 50 }
kpniot 0:a9259748d982 51
kpniot 0:a9259748d982 52 }
kpniot 0:a9259748d982 53
kpniot 0:a9259748d982 54 int SenMLDoublePack::fieldsToCbor()
kpniot 0:a9259748d982 55 {
kpniot 0:a9259748d982 56 int val;
kpniot 0:a9259748d982 57 int res = SenMLPack::fieldsToCbor();
kpniot 0:a9259748d982 58
kpniot 0:a9259748d982 59 val = this->getBaseValue();
kpniot 0:a9259748d982 60 if(val){
kpniot 0:a9259748d982 61 res += cbor_serialize_int(SENML_CBOR_VB_LABEL);
kpniot 0:a9259748d982 62 res += cbor_serialize_double(val);
kpniot 0:a9259748d982 63 }
kpniot 0:a9259748d982 64
kpniot 0:a9259748d982 65 val = this->getBaseSum();
kpniot 0:a9259748d982 66 if(val){
kpniot 0:a9259748d982 67 res += cbor_serialize_int(SENML_CBOR_BS_LABEL);
kpniot 0:a9259748d982 68 res += cbor_serialize_double(val);
kpniot 0:a9259748d982 69 }
kpniot 0:a9259748d982 70 return res;
kpniot 0:a9259748d982 71 }
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