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113 lines (93 loc) · 3.81 KB
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// matth-x/ArduinoOcpp
// Copyright Matthias Akstaller 2019 - 2021
// MIT License
#include <ArduinoOcpp/MessagesV16/MeterValues.h>
#include <ArduinoOcpp/Core/OcppEngine.h>
#include <ArduinoOcpp/Tasks/Metering/MeteringService.h>
#include <Variants.h>
using ArduinoOcpp::Ocpp16::MeterValues;
//can only be used for echo server debugging
MeterValues::MeterValues() {
sampleTime = std::vector<OcppTimestamp>(); //not used in server mode but needed to keep the destructor simple
energy = std::vector<float>();
power = std::vector<float>();
}
MeterValues::MeterValues(std::vector<OcppTimestamp> *sampleTime, std::vector<float> *energy, std::vector<float> *power, int connectorId, int transactionId)
: connectorId(connectorId), transactionId(transactionId) {
if (sampleTime)
this->sampleTime = std::vector<OcppTimestamp>(*sampleTime);
else
this->sampleTime = std::vector<OcppTimestamp>();
if (energy)
this->energy = std::vector<float>(*energy);
else
this->energy = std::vector<float>();
if (power)
this->power = std::vector<float>(*power);
else
this->power = std::vector<float>();
}
MeterValues::~MeterValues(){
}
const char* MeterValues::getOcppOperationType(){
return "MeterValues";
}
DynamicJsonDocument* MeterValues::createReq() {
int numEntries = sampleTime.size();
DynamicJsonDocument *doc = new DynamicJsonDocument(
JSON_OBJECT_SIZE(2) //connectorID, transactionId
+ JSON_ARRAY_SIZE(numEntries) //metervalue array
+ numEntries * JSON_OBJECT_SIZE(1) //sampledValue
+ numEntries * (JSON_OBJECT_SIZE(1) + (JSONDATE_LENGTH + 1)) //timestamp
+ numEntries * JSON_ARRAY_SIZE(2) //sampledValue
+ 2 * numEntries * JSON_OBJECT_SIZE(1) //value // why are these taken by two?
+ 2 * numEntries * JSON_OBJECT_SIZE(1) //measurand //
+ 2 * numEntries * JSON_OBJECT_SIZE(1) //unit //
+ 230); //"safety space"
JsonObject payload = doc->to<JsonObject>();
payload["connectorId"] = connectorId;
JsonArray meterValues = payload.createNestedArray("meterValue");
for (size_t i = 0; i < sampleTime.size(); i++) {
JsonObject meterValue = meterValues.createNestedObject();
char timestamp[JSONDATE_LENGTH + 1] = {'\0'};
OcppTimestamp otimestamp = sampleTime.at(i);
otimestamp.toJsonString(timestamp, JSONDATE_LENGTH + 1);
meterValue["timestamp"] = timestamp;
JsonArray sampledValue = meterValue.createNestedArray("sampledValue");
if (energy.size() >= i + 1) {
JsonObject sampledValue_1 = sampledValue.createNestedObject();
sampledValue_1["value"] = energy.at(i);
sampledValue_1["measurand"] = "Energy.Active.Import.Register";
sampledValue_1["unit"] = "Wh";
}
if (power.size() >= i + 1) {
JsonObject sampledValue_2 = sampledValue.createNestedObject();
sampledValue_2["value"] = power.at(i);
sampledValue_2["measurand"] = "Power.Active.Import";
sampledValue_2["unit"] = "W";
}
}
ConnectorStatus *connector = getConnectorStatus(connectorId);
if (connector) {
if (connector->getTransactionIdSync() >= 0) {
payload["transactionId"] = connector->getTransactionIdSync();
}
}
return doc;
}
void MeterValues::processConf(JsonObject payload) {
if (DEBUG_OUT) Serial.print(F("[MeterValues] Request has been confirmed!\n"));
}
void MeterValues::processReq(JsonObject payload) {
/**
* Ignore Contents of this Req-message, because this is for debug purposes only
*/
}
DynamicJsonDocument* MeterValues::createConf(){
DynamicJsonDocument* doc = new DynamicJsonDocument(0);
doc->to<JsonObject>();
/*
* empty payload
*/
return doc;
}