WLED/usermods/QuinLED_Dig_Uno_Temp_MQTT/wled06_usermod.ino
400killer 131fae57e5
wled06_usermod.ino
This section is used to read the temperature from the sensor and prints it using the MQTT service started by Aircoookie.
2019-11-29 11:55:26 -08:00

42 lines
1.1 KiB
C++

//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;
}