Untitled

 //include necessary libraries
  #include <SPI.h>
  #include <Ethernet.h>

  //mac address does not change
  byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };

  //change this to your IP address
  //this can be found by running the program
  //File --> Examples --> Ethernet --> DhcpAddressPrinter
  IPAddress ip(10,0,0, 188);

  // Initialize the Ethernet server library
  // with the IP address and port you want to use
  // (port 80 is default for HTTP):
  EthernetServer server(8087);

  String webClickRequest;


  void setup(){

     // initialize the digital pin as an output.
     pinMode(24, OUTPUT);
     pinMode(25, OUTPUT);
     pinMode(26, OUTPUT);
     pinMode(27, OUTPUT);


     // Open serial communications and wait for port to open:
     Serial.begin(9600);
     while (!Serial) {
       ; // wait for serial port to connect. Needed for Leonardo only
     }


     // start the Ethernet connection and the server:
     Ethernet.begin(mac, ip);
     server.begin();
     Serial.print("server is at ");
     Serial.println(Ethernet.localIP());
   }


    void loop(){
      // Create a client connection
      EthernetClient client = server.available();
      if (client) {
        while (client.connected()) {
          if (client.available()) {
            char c = client.read();

            //read the incoming HTTP request
            if (webClickRequest.length() < 100) {

              //store the request to a string
              webClickRequest += c;

            }

            //check to see if the request has come to an end
            if (c == '\n') {

              //Begin drawing out the website using
              //using basic HTML formatting with some CSS
              client.println("HTTP/1.1 200 OK");
              client.println("Content-Type: text/html");
              client.println();
              client.println("<HTML>");
              client.println("<HEAD>");
              client.println("<TITLE>Internet Controlled RC Car</TITLE>");
              client.println("<STYLE>");
              client.println("body{margin:50px 0px; padding:0px; text-align:center;}");
              client.println("h1{text-align: center; font-family:\"Trebuchet MS\",Arial, Helvetica, sans-serif; font-size:24px;}");
              client.println("a{text-decoration:none; width:75px; height:50px; border-color:black; font-family:\"Trebuchet MS\",Arial, Helvetica, sans-serif; padding:6px; background-color:#aaaaaa; text-align:center; border-radius:10px 10px 10px; font-size:24px;}");
              client.println("a:link {color:white;}");
              client.println("a:visited {color:white;}");
              client.println("a:hover {color:red;}");
              client.println("a:active {color:white;}");
              client.println("</STYLE>");
              client.println("</HEAD>");
              client.println("<BODY>");
              client.println("<H1>Controle de Carro</H1>");
              client.println("<br />");
              client.println("<br />");
              client.println("<a href=\"/?left\"\">LEFT</a>");
              client.println(" ");
              client.println("<a href=\"/?forward\"\">FORWARD</a>");
              client.println(" ");
              client.println("<a href=\"/?right\"\">RIGHT</a>");

              client.println("<br />");
              client.println("<br />");
              client.println("<br />");
              client.println(" ");
              client.println("<a href=\"/?back\"\">BACK</a>");
              client.println(" ");

              client.println("</BODY>");
              client.println("</HTML>");

              //Stop loading the website
              delay(1);
              client.stop();


            //check to see if any of the drive commands have been sent
            //from the webpage to the Arduino

            if(webClickRequest.indexOf("?left") > 0){
              Serial.println("hello");
                  left();
                  delay(1000);
                //  brake();
            }

            else if(webClickRequest.indexOf("?forward") >0){
                forward();
                delay(1000);
               // brake();
            }

            else if(webClickRequest.indexOf("?right") >0){
                right();
                delay(1000);
               // brake();
            }

            else if(webClickRequest.indexOf("?backleft") >0){
                left();
                reverse();
                delay(1000);
                //brake();
            }

            else if(webClickRequest.indexOf("?back") >0){
                reverse();
                delay(1000);
                //brake();
            }

            else if(webClickRequest.indexOf("?backright") >0){
                right();
                reverse();
                delay(1000);
                //brake();
            }


            //clear the string for the new incoming data
            webClickRequest="";

            }
          }
        }
      }
    }

  //drive functions
  //here on down

  void reverse(){
    digitalWrite(24, LOW);
    digitalWrite(25, HIGH);
  }

  void forward(){
    digitalWrite(24, HIGH);
    digitalWrite(25, LOW);
  }

  void right(){
    digitalWrite(26, HIGH);
    digitalWrite(27, LOW);
  }

  void left(){
    digitalWrite(26, LOW);
    digitalWrite(27, HIGH);
  }

  void brake(){
    digitalWrite(24, LOW);
    digitalWrite(25, LOW);
    digitalWrite(26, LOW);
    digitalWrite(27, LOW);
  }