how to get value for textbox

Projects Networking, Protocols, and Devices
21

Doesn't Arduino 1.0 require: Ethernet.begin(mac, ip, DNS_SERVER, gateway, subnet); ?

I tested the code before I posted it and it worked, but YMMV for your setup. I would followup more on this, but my laptop has developed overheating issues that make posting very difficult.

22

Hi, I have the "
ENC28J60 Ethernet. "As it is for
read and write from the processing?

23

here is a working example showing 3 text boxes for RGB values, when submitted it sets the pwm values of pins 3,5 & 6

This code works on wiznet shield and compiled with IDE_0018, yes its 0018 don't mention Arduino 1.0, if it aint broke why fix it

#include <Ethernet.h>
#include <WString.h>
#include <Wire.h>
#define maxLength 25

byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
byte ip[] = { 192, 168, 2, 20 };
String inString = String(maxLength);
int val;
int r;
int g;
int b;
Server server(80);

void setup()
{
  Ethernet.begin(mac, ip);
  server.begin();
  Serial.begin(9600);
}
void loop()
{
  Client client = server.available();
  if (client) {
    boolean current_line_is_blank = true;
    while (client.connected()) {
      if (client.available()) {
        char c = client.read();
        Serial.print(c);
        if (inString.length() < maxLength) {
          inString.append(c);
         }        
        if (c == '\n' && current_line_is_blank) {
          if (inString.contains("?")) {
           int Pos_r = inString.indexOf("r");
           int Pos_g = inString.indexOf("g");
           int Pos_b = inString.indexOf("b");
           int End = inString.indexOf("H");
           r = atoi(inString.substring((Pos_r+2), (Pos_g-1)));
           g = atoi(inString.substring((Pos_g+2), (Pos_b-1)));
           b = atoi(inString.substring((Pos_b+2), (End-1)));  
          analogWrite(6, r);    
          analogWrite(5, g); 
          analogWrite(3, b); 
         }
          client.println("HTTP/1.1 200 OK");
          client.println("Content-Type: text/html");
          client.println();
          client.println("<html><head></head><body>");
          client.println("<h1><CENTER>Aduino & Ethershield Webserver</CENTER></h1>");
          client.println("<CENTER><form method=get>R:<input type=text size=3 name=r>G:<input type=text size=3 name=g>B:<input type=text size=3 name=b>&nbsp;<input type=submit value=submit></form></CENTER></body></html>");      
          break;
        }
        if (c == '\n') {
          current_line_is_blank = true;
        } else if (c != '\r') {
          current_line_is_blank = false;
        }
      }
    }
    delay(1);
    inString = "";
    client.stop();
  }
}
24

kindly upload your arduino and HTML code.