Added first implementation of mqtt publishing

include/MqttPublishing.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <Arduino.h>
+#include <Hoymiles.h>
+#include <memory>
+
+class MqttPublishingClass {
+public:
+    void init();
+    void loop();
+
+private:
+    void publishField(String subtopic, std::shared_ptr<InverterAbstract> inv, uint8_t channel, uint8_t fieldId);
+};
+
+extern MqttPublishingClass MqttPublishing;

src/MqttPublishing.cpp

@@ -0,0 +1,65 @@
+#include "MqttPublishing.h"
+#include "Configuration.h"
+#include "MqttSettings.h"
+#include <Every.h>
+
+MqttPublishingClass MqttPublishing;
+
+void MqttPublishingClass::init()
+{
+}
+
+void MqttPublishingClass::loop()
+{
+    if (!MqttSettings.getConnected() && Hoymiles.getRadio()->isIdle()) {
+        return;
+    }
+
+    CONFIG_T& config = Configuration.get();
+
+    EVERY_N_SECONDS(config.Dtu_PollInterval)
+    {
+        MqttSettings.publish("dtu/uptime", String(millis() / 1000));
+        MqttSettings.publish("dtu/ip", WiFi.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)((config.Inverter[i].Serial >> 32) & 0xFFFFFFFF)),
+                ((uint32_t)(config.Inverter[i].Serial & 0xFFFFFFFF)));
+            String subtopic = String(buffer);
+
+            MqttSettings.publish(subtopic + "/name", inv->name());
+
+            // Loop all channels
+            for (uint8_t c = 0; c <= inv->getChannelCount(); c++) {
+                publishField(subtopic, inv, c, FLD_UDC);
+                publishField(subtopic, inv, c, FLD_IDC);
+                publishField(subtopic, inv, c, FLD_PDC);
+                publishField(subtopic, inv, c, FLD_YD);
+                publishField(subtopic, inv, c, FLD_YW);
+                publishField(subtopic, inv, c, FLD_YT);
+                publishField(subtopic, inv, c, FLD_UAC);
+                publishField(subtopic, inv, c, FLD_IAC);
+                publishField(subtopic, inv, c, FLD_PAC);
+                publishField(subtopic, inv, c, FLD_F);
+                publishField(subtopic, inv, c, FLD_T);
+                publishField(subtopic, inv, c, FLD_PCT);
+                publishField(subtopic, inv, c, FLD_EFF);
+                publishField(subtopic, inv, c, FLD_IRR);
+            }
+
+            yield();
+        }
+    }
+}
+
+void MqttPublishingClass::publishField(String subtopic, std::shared_ptr<InverterAbstract> inv, uint8_t channel, uint8_t fieldId)
+{
+    if (inv->hasValue(channel, fieldId)) {
+        MqttSettings.publish(subtopic + "/" + String(channel) + "/" + inv->getName(channel, fieldId), String(inv->getValue(channel, fieldId)));
+    }
+}

src/main.cpp

@@ -1,5 +1,6 @@
 #include "Configuration.h"
 #include "Hoymiles.h"
+#include "MqttPublishing.h"
 #include "MqttSettings.h"
 #include "NtpSettings.h"
 #include "WebApi.h"
@@ -56,6 +57,7 @@ void setup()
     // Initialize MqTT
     Serial.print(F("Initialize MqTT... "));
     MqttSettings.init();
+    MqttPublishing.init();
     Serial.println(F("done"));
 
     // Initialize WebApi
@@ -84,6 +86,9 @@ void setup()
 void loop()
 {
     WiFiSettings.loop();
-
+    yield();
     Hoymiles.loop();
+    yield();
+    MqttPublishing.loop();
+    yield();
 }