haavardgj

 //*******************************

#include <SPI.h>
#include <Ethernet.h>

/*
Simple Ethernet Test
Arduino server outputs simple text to browser
and controlling LED with simple checkbox

The circuit:
* Arduino Duemilanove
* Arduino Ethernet shield
* LED connected to GND and digital pin 4 via resistor
By Minde
http://www.sciencprog.com/

**************************************************************
*  Edited by Haavard GJ to work in version 0021              *
*  Thanks to PaulS for the big help on getting this to work  *
**************************************************************
*/


byte    mac[] =     { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };   //physical mac address
byte    ip[] =      { 192, 168, 2, 110 };                     // ip in lan
byte    gateway[] = { 192, 168, 2, 1 };                       // the IP of the router or acsesspoint
byte    subnet[] =  { 255, 255, 255, 0 };                     //subnet mask (i dont think this is neccesary
Server  server(80);                // server port (change this if you are having a local webserver else than the arduino)
int     ledPin = 4;                // LED pin
int     heatpin = 5;               // Heating *relay* (change this if you want)
int     lightpin = 6;              // lights
int     sensorPin = A0;            // analog in 0 for testing
int     sensorValue = 0;           // integer for the analog sensor
String  readString = String(30);   // string for fetching data from address
boolean LEDON = false;             // LED status flag
boolean HEATON = false;            // Heat status flag  (add more status flags if you need more outputs)
boolean LIGHTON = false;           // lights *test* 

void setup()
{    
 Serial.begin(57600); //enable serial datada print
 Ethernet.begin(mac, ip, gateway, subnet); //start Ethernet

 pinMode(ledPin, OUTPUT); //Set pin 4 to output
 pinMode(heatpin, OUTPUT);
 Serial.print("Starting server"); //for debugging

 sensorValue = analogRead(sensorPin); 
}

void loop(){

 Client client = server.available();  // Create a client connection
   if (client) {
     while (client.connected()) {
       if (client.available()) {

         char c = client.read();

       if (readString.length() < 30) { //read char by char HTTP request
         readString.concat(c); } //store characters to string

       Serial.print(c); //output chars to serial port for debugging




       if (c == '\n') { //if HTTP request has ended

         Serial.println("");
         Serial.println(readString); // print for debugging
         Serial.println("");
         int Le = readString.indexOf("L="); // led         here is a key component of where 
         int He = readString.indexOf("H="); // heat        the status is being read by the arduino
         int V = readString.indexOf("V"); // light
         Serial.print("L= position: ");
         Serial.println(Le);
         Serial.print("H= position: ");
         Serial.println(He);
         Serial.print("V= position: ");
         Serial.print(V);






         //lets check if LED should be lighted
         if (Le > 1){

         if (readString.substring(Le,(Le+3)) == "L=1") { //led has to be turned ON
             digitalWrite(ledPin, HIGH); // set the LED on
             Serial.println("ledpin paa"); // debugging
             LEDON = true; 
         }

         if (readString.substring(Le,(Le+3))== "L=0") {
           //led has to be turned OFF
           digitalWrite(ledPin, LOW); // set the LED OFF
           Serial.println("ledpin av"); //debugging
           LEDON = false; 
          }}

          if (He > 1){ 

         if (readString.substring(He,(He+3)) == "H=1") { //heat has to be turned ON
             digitalWrite(heatpin, HIGH); // set the heat on
             Serial.println("heatpin paa");//debug
             HEATON = true; 
         }

         if (readString.substring(He,(He+3)) == "H=0") {
           //heat has to be turned OFF
           digitalWrite(heatpin, LOW); // set the heat OFF
           Serial.println("heatpin av"); //debug
           HEATON = false; 
          }}

           if (V > 1){ 

         if (readString.substring(V,(V+3)) == "V=1") { //light has to be turned ON
             digitalWrite(lightpin, HIGH); // set the heat on
             Serial.println("lys paa pin 6");//debug
             LIGHTON = true; 
         }

         if (readString.substring(V,(V+3)) == "V=0") {
           //light has to be turned OFF
           digitalWrite(lightpin, LOW); // set the heat OFF
           Serial.println("lys av"); //debug
           LIGHTON = false; 
         }}



 client.println("HTTP/1.1 200 OK"); //output HTML data starting with standart header
 client.println("Content-Type: text/html");
 client.println();
 client.print  ("<body style=background-color:white>"); //set background to white

 // HTML Code

 client.println("<font color=’red’><h1>Arduino Remote control</font></h1>");//send first heading

 client.println("<font color=’blue’ size=’5′>Analog input 0: "); //print analog in to the browser


 sensorValue = analogRead(sensorPin);


 client.print(sensorValue);//Analog input. 
 Serial.print(sensorValue);

 client.println("<br />");//some space between lines

 //controlling led via checkbox
 client.println("<h1>LED control</h1>");

 // address will look like http://192.168.1.110/?L=1 when submited
 // this line will give the radiobuttons that give the input
 client.println("<form method=get name=LED> <input type='checkbox' name='L' value='1'>LED<br><br><input type='checkbox' name='H' value='1'>HEAT<br><br><input type='checkbox' name='V' value='1'>Light <br><input type=submit value=submit></form>");
 client.println("<br />");

 //printing LED status
 client.print("<font size=’4′>LED status: ");
 if (LEDON == true) {
    client.println("<font color='green' size='4'>ON</font>"); 
    Serial.print("led on pin 4");
  }
  else {
   client.println("<font color='red' size='4'>OFF</font>");
   Serial.println("Led off pin 4");
  }

 client.print("<br />");

//printing LED status
 client.print("<font size=’4′>Heatpin status: ");
 if (HEATON == true) {
    client.println("<font color='green' size='4'>ON</font>"); 
    Serial.print("Heat on pin 5");
  }
  else {
   client.println("<font color='red' size='4'>OFF</font>");
   Serial.println("Heat off pin 5");
  }
  client.print("<br />");

    client.print("<font size=’4′>Light status: ");
 if (LIGHTON == true) {
    client.println("<font color='green' size='4'>ON</font>"); 
    Serial.print("light on pin 6");
  }
  else {
   client.println("<font color='red' size='4'>OFF</font>");
   Serial.println("light off pin 6");
  }



 client.println("</body></html>");


readString=""; //clearing string for next read

client.stop(); //stopping client

Serial.println("stopped client"); // for debugging

}}}}}