Arduino/ATMEGA_WIFI_CLIENT/ATMEGA_WIFI_CLIENT.ino

    #include <SoftwareSerial.h>

    SoftwareSerial esp8266(10,11);

    String ssid = "Livebox-37cc"; // Garder les guillements
    String key  = "8A6060920A8A86896F770F2C47"; // Garder les guillements

boolean done = false;
/****************************************************************/
/*                             INIT                             */
/****************************************************************/
void setup() {
  // put your setup code here, to run once:
  
  //esp8266.begin(115200);
  delay(500);
  esp8266.println("AT+RST");

  /**
   * Initialisation
   */
  delay(1000);
  esp8266.println("AT");

  done = esp8266.find("OK");
  if(!done){
    delay(1000);
    done = esp8266.find("OK");
  }


//  /**
//   * Se mettre en mode DHCP
//   */
//  esp8266.println("AT+CWDHCP=1,1");
//  done = esp8266.find("OK");
//  if(!done){
//    delay(1000);
//    done = esp8266.find("OK");
//  }

  /**
   * Se mettre en mode CLIENT
   */
  esp8266.println("AT+CWMODE=1");

  done = esp8266.find("OK");
  if(!done){
    delay(1000);
    done = esp8266.find("OK");
  }

  /**
   * Affecter son adresse IP manuellement
   */
   
//  delay(1000);
//  esp8266.println("AT+CIPSTA_DEF=\"192.168.0.200\",\"192.168.0.1\",\"255.255.255.0\"");
//  done = esp8266.find("OK");
//  while(!done){
//    delay(1000);
//    done = esp8266.find("OK");
//  }

  /**
   * Rechercher les points d'accès WIFI
   */
   /*
  delay(1000);
  esp8266.println("AT+CWLAP");
  done = esp8266.find("OK");
  while(!done){
    delay(1000);
    done = esp8266.find("OK");
    delay(3000);
    break;
  }*/

  /**
   * Se connecter au point d'accès Wifi défini dans la variable "ssid"
   */
  esp8266.println("AT+CWJAP=\""+ssid+"\",\""+key+"\"");
  done = esp8266.find("OK");
  while(!done){
    delay(1000);
    done = esp8266.find("OK");
  }

  /**
   * Se mettre en mode connexions multiples
   */
  esp8266.println("AT+CIPMUX=1");
  done = esp8266.find("OK");
  if(!done){
    delay(1000);
    done = esp8266.find("OK");
  }

  /**
   * afficher son adresse IP
   */
  esp8266.println("AT+CIFSR");

  done = esp8266.find("STAIP");
  if(!done){
    delay(1000);
    done = esp8266.find("OK");
  }

  /**
   * faire un ping sur un server
   */
   /*
  delay(1000);
  esp8266.println("AT+PING=\"192.168.1.100\"");
  done = false;
  if(!done){
    delay(1000);
    done = esp8266.find("OK");
  }*/

}

void loop() {
  int maxLoops = 5;

  /**
   * Faire un HTTP GET
   */
  String cmd = "AT+CIPSTART=4,\"TCP\",\"192.168.1.10\",8080";
  esp8266.println(cmd);

  delay(500);
  done = esp8266.find("OK");
  int currentLoop = 0;
  while(!done){
    delay(500);
    done = esp8266.find("OK");
    if(currentLoop >= maxLoops){
      break;
    }
    currentLoop++;
  }

  String url = "/json.htm?type=command&param=switchlight&idx=99&switchcmd=On";
  String cmdGET = "GET " + url + " HTTP/1.1\r\n"+
    "Host: 192.168.1.10\r\nUser-Agent: ESP8266_HTTP_Client\r\nConnection: close\r\n\r\n";
  esp8266.print("AT+CIPSEND=4,");
  esp8266.println(cmdGET.length());

  delay(1000);
  done = esp8266.find(">");
  currentLoop = 0;
  while(!done){
    delay(500);
    done = esp8266.find(">");
    if(currentLoop >= maxLoops){
      break;
    }
    currentLoop++;
  }
  esp8266.println(cmdGET+"\r\n\r\n");
  delay(1000);


  esp8266.println("AT+CIPSTATUS");
  delay(1000);

  // Close all connections

  esp8266.println("AT+CIPCLOSE=5");
  delay(1000);

  // restart from zero
  esp8266.println("AT");

  // 4 secondes déjà passées
  delay(20000);

}