ESPtermostat.ino

@@ -22,12 +22,11 @@ DallasTemperature sensor(&oneWire);
 
 //========== Init variables ==========
 
-float avgTemperature;
+float temperature;
 String metrics;
 bool heating;
 float reqTemp = 21.5;
 float offset = 0.25;
-float correction[3] = {CORRECTION1, CORRECTION2, CORRECTION3};
 
 //=================================
 
@@ -129,7 +128,7 @@ void setup() {
         String repply;
     
         if(request->hasParam("temp")) {
-          repply = String(avgTemperature);
+          repply = String(temperature);
         }else if(request->hasParam("relay")){
           repply = String(heating);
         }else if(THERMOSTAT && request->hasParam("reqtemp")){
@@ -166,53 +165,33 @@ void notFound(AsyncWebServerRequest *request) {
 }
 
 void thermostatCheck(){
-  if (avgTemperature <= (reqTemp - offset)) {
+  if(temperature < (reqTemp - offset)){
     heating = 1;
     digitalWrite(RELAY_PIN, !heating);
-  } else if (avgTemperature >= (reqTemp + offset)) {
+  }else if(temperature > (reqTemp + offset)){
     heating = 0;
     digitalWrite(RELAY_PIN, !heating);
   }
 }
 
 void readSensor() {
-  uint8_t ds18Count = sensor.getDS18Count();
+  float tempC = sensor.getTempCByIndex(0);
-  float tempC[ds18Count];
-  float temperature[ds18Count];
-  float avgTemperature;
-  int savedTemperatures = 0;
   
-  for (int i = 0; i < ds18Count; i++) {
+  if(tempC != DEVICE_DISCONNECTED_C){
-    tempC[i] = sensor.getTempCByIndex(i);
+    // read the actual temperature after it's been converted
-    if (tempC[i] != DEVICE_DISCONNECTED_C) {
+    temperature = tempC + CORRECTION;
-      temperature[i] = tempC[i] + correction[i];
+    // do what you need with the temperature here
-      avgTemperature += temperature[i];
-      savedTemperatures++;
   }
-  }
+  metrics = "temp ";
-
+  metrics += temperature;
-  avgTemperature = avgTemperature / savedTemperatures;
+  metrics += "\nraw_temp ";
-
+  metrics += tempC;
-  for (int i = 0; i < ds18Count; i++) {
-    metrics += "\ntemp{device=\"";
-    metrics += i;
-    metrics += "\"} ";
-    metrics += temperature[i];
-  }
-  for (int i = 0; i < ds18Count; i++) {
-    metrics += "\nraw_temp{device=\"";
-    metrics += i;
-    metrics += "\"} ";
-    metrics += tempC[i];
-  }
-  if (THERMOSTAT) {
   metrics += "\nheating ";
   metrics += heating;
   metrics += "\nreqTemp ";
   metrics += reqTemp;
   metrics += "\noffset ";
   metrics += offset;
-  }
   
 }