powersync-plugins/everest/everest.cpp

366 lines
13 KiB
C++

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#include "everest.h"
#include "extern-plugininfo.h"
#include <QJsonDocument>
#include <QJsonParseError>
#include <loggingcategories.h>
NYMEA_LOGGING_CATEGORY(dcEverestTraffic, "EverestTraffic")
Everest::Everest(MqttClient *client, Thing *thing, QObject *parent)
: QObject{parent},
m_client{client},
m_thing{thing}
{
m_connector = m_thing->paramValue(everestThingConnectorParamTypeId).toString();
m_topicPrefix = "everest_api/" + m_connector;
m_subscribedTopics.append(buildTopic("hardware_capabilities"));
m_subscribedTopics.append(buildTopic("limits"));
m_subscribedTopics.append(buildTopic("powermeter"));
m_subscribedTopics.append(buildTopic("session_info"));
m_subscribedTopics.append(buildTopic("telemetry"));
connect(m_client, &MqttClient::connected, this, &Everest::onConnected);
connect(m_client, &MqttClient::disconnected, this, &Everest::onDisconnected);
connect(m_client, &MqttClient::publishReceived, this, &Everest::onPublishReceived);
connect(m_client, &MqttClient::subscribed, this, &Everest::onSubscribed);
m_aliveTimer.setInterval(2000);
m_aliveTimer.setSingleShot(true);
connect(&m_aliveTimer, &QTimer::timeout, this, [this](){
qCDebug(dcEverest()) << "No MQTT traffic since" << m_aliveTimer.interval()
<< "ms. Mark device as not connected" << m_thing;
m_thing->setStateValue(everestCurrentPowerStateTypeId, 0);
m_thing->setStateValue(everestConnectedStateTypeId, false);
});
if (m_client->isConnected()) {
qCDebug(dcEverest()) << "The connection is already available. Initializing the instance...";
initialize();
}
}
Everest::~Everest()
{
deinitialize();
}
Thing *Everest::thing() const
{
return m_thing;
}
QString Everest::connector() const
{
return m_connector;
}
void Everest::initialize()
{
qCDebug(dcEverest()) << "Initializing" << m_thing->name();
if (!m_client->isConnected()) {
qCWarning(dcEverest()) << "Cannot initialize because the MQTT client is not connected for" << m_thing;
m_initialized = false;
return;
}
foreach (const QString &topic, m_subscribedTopics)
m_client->subscribe(topic);
m_initialized = true;
qCDebug(dcEverest()) << "Initialized" << m_thing->name() << "successfully";
}
void Everest::deinitialize()
{
qCDebug(dcEverest()) << "Deinitializing" << m_thing->name();
if (m_initialized && m_client->isConnected()) {
foreach (const QString &topic, m_subscribedTopics) {
m_client->unsubscribe(topic);
}
}
m_initialized = false;
}
void Everest::enableCharging(bool enable)
{
QString topic;
if (enable) {
topic = m_topicPrefix + "/cmd/resume_charging";
} else {
topic = m_topicPrefix + "/cmd/pause_charging";
}
m_client->publish(topic, QByteArray::fromHex("01"));
}
void Everest::setMaxChargingCurrent(double current)
{
QString topic = m_topicPrefix + "/cmd/set_limit_amps";
QByteArray payload = QByteArray::number(current);
m_client->publish(topic, payload);
}
void Everest::setMaxChargingCurrentAndPhaseCount(uint phasesCount, double current)
{
QString topic = m_topicPrefix + "/cmd/set_limit_amps_phases";
QVariantMap data;
data.insert("amps", current);
data.insert("phases", phasesCount);
m_client->publish(topic, QJsonDocument::fromVariant(data).toJson());
}
void Everest::onConnected()
{
m_aliveTimer.start();
initialize();
}
void Everest::onDisconnected()
{
m_thing->setStateValue(everestConnectedStateTypeId, false);
m_thing->setStateValue(everestCurrentPowerStateTypeId, 0);
m_initialized = false;
}
void Everest::onSubscribed(const QString &topic, Mqtt::SubscribeReturnCode subscribeReturnCode)
{
if (subscribeReturnCode == Mqtt::SubscribeReturnCodeFailure) {
qCWarning(dcEverest()) << "Failed to subscribe to" << topic << m_thing;
} else {
qCDebug(dcEverestTraffic()) << "Subscribed to" << topic << m_thing;
}
}
void Everest::onPublishReceived(const QString &topic, const QByteArray &payload, bool retained)
{
Q_UNUSED(retained)
// Make sure this publish is for this everest instance
if (!topic.startsWith(m_topicPrefix))
return;
// We are for sure connected now
m_aliveTimer.start();
m_thing->setStateValue(everestConnectedStateTypeId, true);
qCDebug(dcEverestTraffic()) << "Received publish on" << topic << qUtf8Printable(payload);
// During boot the API module publishes empty payloads
if (payload.isEmpty())
return;
QJsonParseError jsonError;
QJsonDocument jsonDoc = QJsonDocument::fromJson(payload, &jsonError);
if (jsonError.error) {
qCWarning(dcEverestTraffic()) << "Unable read JSON data published on topic"
<< topic << jsonError.errorString() << payload;
return;
}
if (topic.endsWith("hardware_capabilities")) {
/*
{
"max_phase_count_import": 3,
"min_phase_count_import": 1,
"max_phase_count_export": 3,
"min_phase_count_export": 1,
"supports_changing_phases_during_charging": true,
"max_current_A_import": 32,
"min_current_A_import": 6,
"max_current_A_export": 16,
"min_current_A_export": 0,
"connector_type": "IEC62196Type2Cable"
}
*/
QVariantMap dataMap = jsonDoc.toVariant().toMap();
uint maxCurrent = dataMap.value("max_current_A_import").toUInt();
uint minCurrent = dataMap.value("min_current_A_import").toUInt();
m_thing->setStateMaxValue(everestMaxChargingCurrentStateTypeId, maxCurrent);
m_thing->setStateMinValue(everestMaxChargingCurrentStateTypeId, minCurrent == 0 ? 6 : minCurrent);
bool phaseSwitchingAvailable = dataMap.value("supports_changing_phases_during_charging", false).toBool();
if (!phaseSwitchingAvailable) {
// Only option left is set the desired phase count to 3, force that value
m_thing->setStatePossibleValues(everestDesiredPhaseCountStateTypeId, { 3 });
m_thing->setStateValue(everestDesiredPhaseCountStateTypeId, 3);
m_thing->setStateValue(everestPhaseCountStateTypeId, 3);
} else {
m_thing->setStatePossibleValues(everestDesiredPhaseCountStateTypeId, { 1, 3 });
m_thing->setStateValue(everestPhaseCountStateTypeId, m_thing->stateValue(everestDesiredPhaseCountStateTypeId));
}
} else if (topic.endsWith("limits")) {
/*
{
"uuid": "connector_1",
"nr_of_phases_available": 3,
"max_current": 32
}
*/
QVariantMap dataMap = jsonDoc.toVariant().toMap();
//m_thing->setStateValue(everestPhaseCountStateTypeId, dataMap.value("nr_of_phases_available").toUInt());
double maxCurrent = dataMap.value("max_current").toDouble();
if (maxCurrent >= 6) {
// FIXME: make it a double again once supported from the interface
m_thing->setStateValue(everestMaxChargingCurrentStateTypeId, qRound(maxCurrent));
}
} else if (topic.endsWith("powermeter")) {
/*
{
"timestamp": "2024-03-19T10:40:03.427Z",
"meter_id": "YETI_POWERMETER",
"phase_seq_error": false,
"energy_Wh_import": {
"total": 0, "L1": 0, "L2": 0, "L3": 0
},
"power_W": {
"total": 0, "L1": 0, "L2": 0, "L3": 0
},
"voltage_V": {
"L1": 230.55, "L2": 230.55, "L3": 230.55
},
"current_A": {
"L1": 0, "L2": 0, "L3": 0, "N": 0
},
"frequency_Hz": {
"L1": 49.97, "L2": 49.97, "L3": 49.97
}
}
*/
QVariantMap dataMap = jsonDoc.toVariant().toMap();
QVariantMap energyImportedMap = dataMap.value("energy_Wh_import").toMap();
m_thing->setStateValue(everestTotalEnergyConsumedStateTypeId,
energyImportedMap.value("total").toDouble() / 1000.0);
QVariantMap powerMap = dataMap.value("power_W").toMap();
m_thing->setStateValue(everestCurrentPowerStateTypeId, powerMap.value("total").toUInt());
} else if (topic.endsWith("session_info")) {
/*
{
"active_errors": [],
"active_permanent_faults": [],
"charged_energy_wh": 0,
"charging_duration_s": 0,
"datetime": "2024-03-19T10:40:02.986Z",
"discharged_energy_wh": 0,
"latest_total_w": 0,
"state": "Unplugged"
}
*/
QVariantMap dataMap = jsonDoc.toVariant().toMap();
m_thing->setStateValue(everestSessionEnergyStateTypeId,
dataMap.value("charged_energy_wh").toDouble() / 1000.0);
// Interpret state
QString stateString = dataMap.value("state").toString();
m_thing->setStateValue(everestStateStateTypeId, stateString);
State state = convertStringToState(stateString);
if (state == StateUnknown)
return; // No need to proceed here
m_thing->setStateValue(everestChargingStateTypeId, state == StateCharging);
m_thing->setStateValue(everestPluggedInStateTypeId, state != StateUnplugged);
// TODO: check if we can set the power state in other EVSE states
if (state == StateCharging && !m_thing->stateValue(everestPowerStateTypeId).toBool()) {
m_thing->setStateValue(everestPowerStateTypeId, true);
}
} else if (topic.endsWith("telemetry")) {
/*
{
"phase_seq_error": false,
"temperature": 25,
"fan_rpm": 1500,
"supply_voltage_12V": 12.01,
"supply_voltage_minus_12V": -11.8
}
*/
QVariantMap dataMap = jsonDoc.toVariant().toMap();
m_thing->setStateValue(everestTemperatureStateTypeId, dataMap.value("temperature").toDouble());
m_thing->setStateValue(everestFanSpeedStateTypeId, dataMap.value("fan_rpm").toDouble());
}
}
QString Everest::buildTopic(const QString &topic)
{
Q_ASSERT_X(!m_connector.isEmpty(), "Everest::buildTopic", "The connector must be known before building a topic");
QString baseTopic = QString(m_topicPrefix + "/var");
if (!topic.startsWith("/"))
baseTopic.append("/");
return baseTopic + topic;
}
Everest::State Everest::convertStringToState(const QString &stateString)
{
State state = StateUnknown;
if (stateString == "Unplugged") {
state = StateUnplugged;
} else if (stateString == "Disabled") {
state = StateDisabled;
} else if (stateString == "Preparing") {
state = StatePreparing;
} else if (stateString == "Reserved") {
state = StateReserved;
} else if (stateString == "AuthRequired") {
state = StateAuthRequired;
} else if (stateString == "WaitingForEnergy") {
state = StateWaitingForEnergy;
} else if (stateString == "Charging") {
state = StateCharging;
} else if (stateString == "ChargingPausedEV") {
state = StateChargingPausedEV;
} else if (stateString == "ChargingPausedEVSE") {
state = StateChargingPausedEVSE;
} else if (stateString == "Finished") {
state = StateFinished;
}
return state;
}