  
  UDP udp;  // define the UDP object
  
- 
  void setup() {
- udp = new UDP( this, 6000 );  // create a new datagram connection on port 6000
- //udp.log( true ); 		// <-- printout the connection activity
- udp.listen( true );           // and wait for incoming message  
+   udp = new UDP( this, 6000 );  // create a new datagram connection on port 6000
+   //udp.log( true ); 		// <-- printout the connection activity
+   udp.listen( true );           // and wait for incoming message  
  }
  
- void draw()
- {
+ void draw() {
  }
  
  void keyPressed() {
- String ip       = "192.168.1.177";	// the remote IP address
- int port        = 8888;		// the destination port
- 
- udp.send("Hello World", ip, port );   // the message to send
- 
+   String ip       = "192.168.1.177";	// the remote IP address
+   int port        = 8888;		// the destination port
+   
+   udp.send("Hello World", ip, port );   // the message to send
  }
  
  void receive( byte[] data ) { 			// <-- default handler
- //void receive( byte[] data, String ip, int port ) {	// <-- extended handler
- 
- for(int i=0; i < data.length; i++) 
- print(char(data[i]));  
- println();   
+   //void receive( byte[] data, String ip, int port ) {	// <-- extended handler
+   
+   for(int i=0; i < data.length; i++) 
+   print(char(data[i]));  
+   println();   
  }
  */
 

/*
  UDPSendReceive.pde:
 This sketch receives UDP message strings, prints them to the serial port
 and sends an "acknowledge" string back to the sender
 
 A Processing sketch is included at the end of file that can be used to send 
 and received messages for testing with a computer.
 
 created 21 Aug 2010
 by Michael Margolis
 
 This code is in the public domain.
 */


#include <SPI.h>         // needed for Arduino versions later than 0018
#include <Ethernet.h>
#include <EthernetUdp.h>         // UDP library from: bjoern@cs.stanford.edu 12/30/2008


// Enter a MAC address and IP address for your controller below.
// The IP address will be dependent on your local network:
byte mac[] = {  
  0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
IPAddress ip(192, 168, 1, 177);

unsigned int localPort = 8888;      // local port to listen on

// buffers for receiving and sending data
char packetBuffer[UDP_TX_PACKET_MAX_SIZE]; //buffer to hold incoming packet,
char  ReplyBuffer[] = "acknowledged";       // a string to send back

// An EthernetUDP instance to let us send and receive packets over UDP
EthernetUDP Udp;

  Udp.begin(localPort);

  Serial.begin(9600);
  Serial.println("UDPSendReceiveString setup");
  Serial.print("listening on ");
  ip.printTo(Serial);
  Serial.print(":");
  Serial.println(localPort);
}

void loop() {
  // if there's data available, read a packet
  int packetSize = Udp.parsePacket();
  if(packetSize) {
    Serial.print("Received packet of size ");
    Serial.println(packetSize);
    Serial.print("From ");
    IPAddress remote = Udp.remoteIP();
    for (int i =0; i < 4; i++) {
      Serial.print(remote[i], DEC);
      if (i < 3) {
        Serial.print(".");
      }
    }
