OpenDTU/src/MqttPublishing.cpp

89 lines
2.7 KiB
C++

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2022 Thomas Basler and others
*/
#include "MqttPublishing.h"
#include "MqttSettings.h"
#include "NetworkSettings.h"
MqttPublishingClass MqttPublishing;
void MqttPublishingClass::init()
{
}
void MqttPublishingClass::loop()
{
if (!MqttSettings.getConnected() || !Hoymiles.getRadio()->isIdle()) {
return;
}
CONFIG_T& config = Configuration.get();
if (millis() - _lastPublish > (config.Mqtt_PublishInterval * 1000)) {
MqttSettings.publish("dtu/uptime", String(millis() / 1000));
MqttSettings.publish("dtu/ip", NetworkSettings.localIP().toString());
// Loop all inverters
for (uint8_t i = 0; i < Hoymiles.getNumInverters(); i++) {
auto inv = Hoymiles.getInverterByPos(i);
char buffer[sizeof(uint64_t) * 8 + 1];
sprintf(buffer, "%0lx%08lx",
((uint32_t)((inv->serial() >> 32) & 0xFFFFFFFF)),
((uint32_t)(inv->serial() & 0xFFFFFFFF)));
String subtopic = String(buffer);
MqttSettings.publish(subtopic + "/name", inv->name());
uint32_t lastUpdate = inv->Statistics()->getLastUpdate();
if (lastUpdate > 0 && lastUpdate != _lastPublishStats[i]) {
_lastPublishStats[i] = lastUpdate;
// Loop all channels
for (uint8_t c = 0; c <= inv->Statistics()->getChannelCount(); c++) {
for (uint8_t f = 0; f < sizeof(_publishFields); f++) {
publishField(inv, c, _publishFields[f]);
}
}
}
yield();
}
_lastPublish = millis();
}
}
void MqttPublishingClass::publishField(std::shared_ptr<InverterAbstract> inv, uint8_t channel, uint8_t fieldId)
{
String topic = getTopic(inv, channel, fieldId);
if (topic == "") {
return;
}
MqttSettings.publish(topic, String(inv->Statistics()->getChannelFieldValue(channel, fieldId)));
}
String MqttPublishingClass::getTopic(std::shared_ptr<InverterAbstract> inv, uint8_t channel, uint8_t fieldId)
{
if (!inv->Statistics()->hasChannelFieldValue(channel, fieldId)) {
return String("");
}
char buffer[sizeof(uint64_t) * 8 + 1];
sprintf(buffer, "%0lx%08lx",
((uint32_t)((inv->serial() >> 32) & 0xFFFFFFFF)),
((uint32_t)(inv->serial() & 0xFFFFFFFF)));
String invSerial = String(buffer);
String chanName;
if (channel == 0 && fieldId == FLD_PDC) {
chanName = "powerdc";
} else {
chanName = inv->Statistics()->getChannelFieldName(channel, fieldId);
chanName.toLowerCase();
}
return invSerial + "/" + String(channel) + "/" + chanName;
}