#include <SPI.h>
#include <Ethernet.h>
String readString = String(50);
byte mac[] = {
0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
};
IPAddress ip(192, 168,0,66);
EthernetServer server(80);
void setup() {
// Open serial communications and wait for port to open:
pinMode(4, OUTPUT);
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("N303 server is at ");
Serial.println(Ethernet.localIP());
}
void loop() {
EthernetClient client = server.available();
if (client) {
Serial.println("new client");
boolean currentLineIsBlank = true;
while (client.connected()) {
if (client.available()) {
char c = client.read();
Serial.write(c);
readString += c;
if(readString.indexOf("LED=ON") >0)//replaces if(readString.contains("L=1"))
{
digitalWrite(4, HIGH); // set the LED on
}
else if (readString.indexOf("LED=OFF") >0)
{
digitalWrite(4,LOW);
}
else{
digitalWrite(4, HIGH); // set the LED OFF
}
if (c == '\n' && currentLineIsBlank) {
// send a standard http response header
readString="";
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("Connection: close"); // the connection will be closed after completion of the response
// client.println("Refresh: 5"); // refresh the page automatically every 5 sec
client.println();
client.println("<!DOCTYPE HTML>");
client.println("<html>");
// output the value of each analog input pin
for (int analogChannel = 0; analogChannel < 6; analogChannel++) {
int sensorReading = analogRead(analogChannel);
client.print("analog input ");
client.print(analogChannel);
client.print(" is ");
client.print(sensorReading);
client.println("<br />");
}
client.println("<br/><a href=\"http://192.168.0.66/LED=ON\"> TURN LED ON </a> <br />");
client.println("<a href=\"http://192.168.0.66/LED=OFF\"> TURN LED OFF </a> <br />");
client.print("<FORM action=\"http://192.168.0.66/\" >");
client.print("<P> <INPUT type=\"radio\" name=\"LED\" value=\"ON\">ON");
client.print("<P> <INPUT type=\"radio\" name=\"LED\" value=\"OFF\">OFF");
client.print("<P> <INPUT type=\"submit\" value=\"Submit\"> </FORM>");
client.println("</html>");
break;
}
if (c == '\n') {
currentLineIsBlank = true;
//readString="";
}
else if (c != '\r') {
// you've gotten a character on the current line
currentLineIsBlank = false;
}
}
}
// give the web browser time to receive the data
delay(1);
// close the connection:
client.stop();
Serial.println("client disconnected");
}
}
