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ESP8266_DOMOTICZ_DHT/ESP8266_DOMOTICZ_DHT.ino

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+extern "C" {
+#include "user_interface.h"
+}
+
+#include <ESP8266WiFi.h>
+#include <Wire.h>
+#include "DHT.h"
+
+const char* ssid     = "Livebox-37cc";
+const char* password = "8A6060920A8A86896F770F2C47";
+const int sleepTime  = 60; //Power down WiFi for 6 seconds
+
+// DHT
+
+#define DHTPIN 2     // what pin we're connected to
+#define DHTTYPE DHT11   // DHT 11 
+// Initialize DHT sensor for normal 16mhz Arduino
+DHT dht(DHTPIN, DHTTYPE);
+
+
+// int status = WL_IDLE_STATUS;     // the Wifi radio's status
+WiFiClient client;
+
+// domoticz
+const char * domoticz_server = "192.168.0.10"; //Domoticz port
+int port        = 8080; //Domoticz port
+int idx         = 660; //IDX for this virtual sensor, found in Setup -> Devices
+
+float temp     = 0.0;
+float humidite = 0.0; 
+
+void setup()
+{
+  Serial.begin(9600);
+  Wire.pins(0, 2);
+  Wire.begin(0, 2);
+
+  // DHT
+  dht.begin();
+    
+}
+
+void loop()
+{
+  initWifi();
+  doDHT();
+  printInfo();
+  sleepWifi();
+}
+void doDHT() {
+   // Reading temperature or humidity takes about 250 milliseconds!
+  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
+  float h = dht.readHumidity();
+  humidite = h;
+  
+  // Read temperature as Celsius
+  float t = dht.readTemperature();
+  // Read temperature as Fahrenheit
+  float f = dht.readTemperature(true);
+  
+  // Check if any reads failed and exit early (to try again).
+  if (isnan(h) || isnan(t) || isnan(f)) {
+   // Serial.println("Failed to read from DHT sensor!");
+    return;
+  } else {
+        // Compute heat index
+    // Must send in temp in Fahrenheit!
+    float hi = dht.computeHeatIndex(f, h);
+  
+    Serial.print("Humidity: "); 
+    Serial.print(h);
+    Serial.print(" %\t");
+    Serial.print("Temperature: "); 
+    Serial.print(t);
+    Serial.print(" *C ");
+    Serial.print(f);
+    Serial.print(" *F\t");
+    Serial.print("Heat index: ");
+    Serial.print(hi);
+    Serial.println(" *F");
+
+    temp = t;
+  }
+}
+
+void sleepWifi()
+{
+  //Time to let the WiFi go to sleep!
+  Serial.println("Sleeping...");
+  WiFi.disconnect();
+  WiFi.mode(WIFI_OFF);
+  WiFi.forceSleepBegin(sleepTime * 1000000L); //In uS. Must be same length as your delay
+  delay(sleepTime * 1000); //Hang out at 15mA for 6 seconds
+  WiFi.mode(WIFI_STA);
+  Serial.println("Awake!");
+}
+void initWifi()
+{
+  WiFi.mode(WIFI_AP);
+  WiFi.begin(ssid, password); //Connect to local Wifi
+
+  Serial.println();
+  Serial.print("Connecting to WiFi");
+  while (WiFi.status() != WL_CONNECTED)
+  {
+    Serial.print(".");
+    delay(500);
+  }
+  Serial.println("WiFi Connected!");
+}
+
+void printInfo()
+{
+  // Domoticz format /json.htm?type=command&param=udevice&idx=IDX&nvalue=0&svalue=TEMP;HUM;HUM_STAT
+
+  if (client.connect(domoticz_server, port) && temp > 0) {
+
+// /json.htm?type=command&param=udevice&idx=IDX&nvalue=0&svalue=TEMP;HUM;HUM_STAT;BAR;BAR_FOR
+//domoticz:8080/json.htm?type=command&param=udevice&idx=659&nvalue=0&svalue=16.00;50;50;1007;760
+    client.print("GET /json.htm?type=command&param=udevice&idx=");
+    client.print(idx);
+    client.print("&nvalue=0&svalue=");
+    client.print(temp);
+    client.print(";");
+    client.print(humidite);
+    client.print(";0"); //Value for HUM_STAT. Can be one of: 0=Normal, 1=Comfortable, 2=Dry, 3=Wet
+    client.print(";");
+    client.print(humidite);
+    client.println(" HTTP/1.1");
+    client.print("Host: ");
+    client.print(domoticz_server);
+    client.print(":");
+    client.println(port);
+    client.println("User-Agent: Arduino-ethernet");
+    client.println("Connection: close");
+    client.println();
+
+    client.stop();
+  }
+}
+