#include
#include
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
IPAddress ip(10, 10, 10, 29); // IP address,
EthernetServer server(80); // create a server at port 80
String HTTP_req; // stores the HTTP request
boolean LED_status = 0; // state of LED, off by default
void setup()
{
Ethernet.begin(mac, ip); // initialize Ethernet device
server.begin(); // start to listen for clients
Serial.begin(9600);
pinMode(2, OUTPUT); // LED on pin 2
pinMode(3, OUTPUT); // LED on pin 3
pinMode(4, OUTPUT); // LED on pin 4
}
void loop()
{
EthernetClient client = server.available();
if (client) { // got client?
boolean currentLineIsBlank = true;
while (client.connected()) {
if (client.available()) {
char c = client.read();
HTTP_req += c;
if (c == '\n' && currentLineIsBlank) {
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("Connection: close");
client.println();
// send web page
client.println("");
client.println("");client.println("");
client.println("");
client.println("");
client.println("");
client.println("");
client.println("");
client.println("");
client.println("");
client.println("");client.println("");
if (HTTP_req.indexOf("r=1") > -1) {
digitalWrite(2, HIGH);
}
if (HTTP_req.indexOf("r=0") > -1) {
digitalWrite(2, LOW);
}
if (HTTP_req.indexOf("g=1") > -1) {
digitalWrite(3, HIGH);
}
if (HTTP_req.indexOf("g=0") > -1) {
digitalWrite(3, LOW);
}
if (HTTP_req.indexOf("b=1") > -1) {
digitalWrite(4, HIGH);
}
if (HTTP_req.indexOf("b=0") > -1) {
digitalWrite(4, LOW);
}
Serial.print(HTTP_req);
HTTP_req = ""; // finished with request, empty string
break;
}
// every line of text received from the client ends with \r\n
if (c == '\n') {
// last character on line of received text
// starting new line with next character read
currentLineIsBlank = true;
}
else if (c != '\r') {
// a text character was received from client
currentLineIsBlank = false;
}
} // end if (client.available())
} // end while (client.connected())
delay(1); // give the web browser time to receive the data
client.stop(); // close the connection
} // end if (client)
}