KPN IoT / 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.

Fork of kpn_senml by KPN IoT

senml_float_record.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 * support for float sensors
kpniot 0:a9259748d982 12 */
kpniot 0:a9259748d982 13
kpniot 0:a9259748d982 14
kpniot 0:a9259748d982 15 #include <senml_float_record.h>
kpniot 0:a9259748d982 16 #include <senml_helpers.h>
kpniot 0:a9259748d982 17 #include <cbor.h>
kpniot 0:a9259748d982 18 #include <senml_double_pack.h>
kpniot 0:a9259748d982 19 #include <senml_int_pack.h>
kpniot 0:a9259748d982 20
kpniot 0:a9259748d982 21 SenMLFloatRecord::SenMLFloatRecord(const char* name): SenMLRecordTemplate(name)
kpniot 0:a9259748d982 22 {
kpniot 0:a9259748d982 23 }
kpniot 0:a9259748d982 24
kpniot 0:a9259748d982 25 SenMLFloatRecord::SenMLFloatRecord(const char* name, SenMLUnit unit): SenMLRecordTemplate(name, unit)
kpniot 0:a9259748d982 26 {
kpniot 0:a9259748d982 27 }
kpniot 0:a9259748d982 28
kpniot 0:a9259748d982 29 float SenMLFloatRecord::getAdjustedValue()
kpniot 0:a9259748d982 30 {
kpniot 0:a9259748d982 31 float adjustedValue = this->get();
kpniot 0:a9259748d982 32 if(_streamCtx->baseDataType == CBOR_TYPE_DOUBLE){
kpniot 0:a9259748d982 33 if(this->asSum())
kpniot 0:a9259748d982 34 adjustedValue -= ((SenMLDoublePack*)this->getRoot())->getBaseSum();
kpniot 0:a9259748d982 35 else
kpniot 0:a9259748d982 36 adjustedValue -= ((SenMLDoublePack*)this->getRoot())->getBaseValue();
kpniot 0:a9259748d982 37 }
kpniot 0:a9259748d982 38 else if( _streamCtx->baseDataType == CBOR_TYPE_INT){
kpniot 0:a9259748d982 39 if(this->asSum())
kpniot 0:a9259748d982 40 adjustedValue -= ((SenMLIntPack*)this->getRoot())->getBaseSum();
kpniot 0:a9259748d982 41 else
kpniot 0:a9259748d982 42 adjustedValue -= ((SenMLIntPack*)this->getRoot())->getBaseValue();
kpniot 0:a9259748d982 43 }
kpniot 0:a9259748d982 44 return adjustedValue;
kpniot 0:a9259748d982 45 }
kpniot 0:a9259748d982 46
kpniot 0:a9259748d982 47 void SenMLFloatRecord::fieldsToJson()
kpniot 0:a9259748d982 48 {
kpniot 0:a9259748d982 49 SenMLRecord::fieldsToJson();
kpniot 0:a9259748d982 50 if(this->asSum())
kpniot 0:a9259748d982 51 printText(",\"s\":", 5);
kpniot 0:a9259748d982 52 else
kpniot 0:a9259748d982 53 printText(",\"v\":", 5);
kpniot 0:a9259748d982 54 printDouble(this->getAdjustedValue(), SENML_MAX_DOUBLE_PRECISION);
kpniot 0:a9259748d982 55 }
kpniot 0:a9259748d982 56
kpniot 0:a9259748d982 57 int SenMLFloatRecord::fieldsToCbor()
kpniot 0:a9259748d982 58 {
kpniot 0:a9259748d982 59 int res = SenMLRecord::fieldsToCbor();
kpniot 0:a9259748d982 60 if(this->asSum())
kpniot 0:a9259748d982 61 res += cbor_serialize_int(SENML_CBOR_S_LABEL);
kpniot 0:a9259748d982 62 else
kpniot 0:a9259748d982 63 res += cbor_serialize_int(SENML_CBOR_V_LABEL);
kpniot 0:a9259748d982 64 res += cbor_serialize_double(this->getAdjustedValue());
kpniot 0:a9259748d982 65 return res;
kpniot 0:a9259748d982 66 }
kpniot 0:a9259748d982 67
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