WLED/usermods/QuinLED_Dig_Uno_Temp_MQTT/usermod.cpp
2020-04-08 09:18:26 -04:00

55 lines
1.5 KiB
C++

#include <Arduino.h>
#include "wled.h"
//Intiating code for QuinLED Dig-Uno temp sensor
//Uncomment Celsius if that is your prefered temperature scale
#include <DallasTemperature.h> //Dallastemperature sensor
#ifdef ARDUINO_ARCH_ESP32 //ESP32 boards
OneWire oneWire(18);
#else //ESP8266 boards
OneWire oneWire(14);
#endif
DallasTemperature sensor(&oneWire);
long temptimer = millis();
long lastMeasure = 0;
#define Celsius // Show temperature mesaurement in Celcius otherwise is in Fahrenheit
void userSetup()
{
// Start the DS18B20 sensor
sensor.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){
sensor.requestTemperatures();
//Gets prefered temperature scale based on selection in definitions section
#ifdef Celsius
float board_temperature = sensor.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;
}