wled06_usermod.ino

This section is used to read the temperature from the sensor and prints it using the MQTT service started by Aircoookie.

usermods/QuinLED_Dig_Uno_Temp_MQTT/wled06_usermod.ino

@@ -0,0 +1,41 @@
+//starts Dallas Temp service on boot
+void userSetup()
+{
+// Start the DS18B20 sensor
+  sensors.begin(); 
+}
+    
+//gets called every time WiFi is (re-)connected. Initialize own network interfaces here
+void userConnected()
+{
+
+}
+
+void userLoop()
+{
+  temptimer = millis();
+  
+// Timer to publishe new temperature every 60 seconds
+  if (temptimer - lastMeasure > 60000) {
+    lastMeasure = temptimer;
+    
+//Check if MQTT Connected, otherwise it will crash the 8266
+    if (mqtt != nullptr){
+      sensors.requestTemperatures();
+
+//Gets prefered temperature scale based on selection in definitions section
+      #ifdef Celsius
+      float board_temperature = sensors.getTempCByIndex(0);
+      #else
+      float board_temperature = sensors.getTempFByIndex(0);
+      #endif
+
+//Create character string populated with user defined device topic from the UI, and the read temperature. Then publish to MQTT server.
+      char subuf[38];
+      strcpy(subuf, mqttDeviceTopic);
+      strcat(subuf, "/temperature");
+      mqtt->publish(subuf, 0, true, String(board_temperature).c_str());
+    return;}
+  return;}
+return;
+}