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ESP8266_DOMOTICZ_THERMISTANCE/ESP8266_DOMOTICZ_THERMISTANCE.ino

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+
+/////////////////////
+// Domoticz Classe
+/////////////////////
+    
+#include "Domoticz.h"
+
+Domoticz domo("192.168.1.3", "81", "Livebox-37cc", "8A6060920A8A86896F770F2C47");
+
+IPAddress gateway(192, 168, 1, 1);
+IPAddress subnet(255, 255, 0, 0);
+IPAddress DNS(192, 168, 1, 1);
+
+// which analog pin to connect
+#define THERMISTORPIN A0
+// resistance at 25 degrees C
+#define THERMISTORNOMINAL 9800      
+// temp. for nominal resistance (almost always 25 C)
+#define TEMPERATURENOMINAL 25   
+// how many samples to take and average, more takes longer
+// but is more 'smooth'
+#define NUMSAMPLES 5
+// The beta coefficient of the thermistor (usually 3000-4000)
+#define BCOEFFICIENT 3950
+// the value of the 'other' resistor
+#define SERIESRESISTOR 4800    
+ 
+uint16_t samples[NUMSAMPLES];
+
+
+void setup()
+{
+  
+  Serial.begin(9600);
+  //delay(200);
+  String macId = domo.generateKey();
+  IPAddress ip = domo.getIP(macId);
+  
+  // Conversion d'objet en pointeur
+  domo.initWifiStatic(ip, gateway, subnet, DNS);
+
+}
+
+void loop()
+{
+  uint8_t i;
+  float average;
+ 
+  // take N samples in a row, with a slight delay
+  for (i=0; i< NUMSAMPLES; i++) {
+   samples[i] = analogRead(THERMISTORPIN);
+   delay(10);
+  }
+ 
+  // average all the samples out
+  average = 0;
+  for (i=0; i< NUMSAMPLES; i++) {
+     average += samples[i];
+  }
+  average /= NUMSAMPLES;
+ 
+  Serial.print("Average analog reading "); 
+  Serial.println(average);
+ 
+  // convert the value to resistance
+  average = 1023 / average - 1;
+  average = SERIESRESISTOR / average;
+  Serial.print("Thermistor resistance "); 
+  Serial.println(average);
+ 
+  float steinhart;
+  steinhart = average / THERMISTORNOMINAL;     // (R/Ro)
+  steinhart = log(steinhart);                  // ln(R/Ro)
+  steinhart /= BCOEFFICIENT;                   // 1/B * ln(R/Ro)
+  steinhart += 1.0 / (TEMPERATURENOMINAL + 273.15); // + (1/To)
+  steinhart = 1.0 / steinhart;                 // Invert
+  steinhart -= 273.15;                         // convert to C
+ 
+  Serial.print("Temperature "); 
+  Serial.print(steinhart * 1.25);
+  Serial.println(" *C");
+
+  printInfo(steinhart * 1.25);
+
+  sleep(300);
+  //delay(5000);
+}
+
+void sleep(int sleepTime)
+{
+  Serial.print("Go to sleep ");
+  Serial.println(sleepTime);
+  delay(20);
+
+  ESP.deepSleep(sleepTime * 1000000L); 
+
+  //sleepWifi();
+  delay(200);
+}
+
+void printInfo(double temperature)
+{
+  // Domoticz format /json.htm?type=command&param=udevice&idx=IDX&nvalue=0&svalue=TEMP;HUM;HUM_STAT;BAR;BAR_FOR
+
+  boolean connected = domo.connect();
+  
+  if (connected) {
+    Serial.println("Dans set temperature");
+    String svalue = String(temperature) ;
+    Serial.println(svalue);
+    domo.executeJson("/json.htm?type=command&param=udevice&idx=1139", svalue, "0");
+    domo._client.stop();
+    delay(200);
+  }
+
+  Serial.print("Time = ");
+  Serial.println(millis());
+
+   delay(200);
+}