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