/*
 * toggles IO3 of the siteplayer using UDP
 *
 */



import java.net.*;
import java.util.*;
import java.io.*;
import java.text.*;

public class Toggle_udp {

   static final int PORT = 26482;
   DatagramSocket ds = null;
   boolean keepRunning = true;

   public static void main(String[] args) {

      Toggle_udp toggle = new Toggle_udp();
      toggle.startServing();

   }

   public Toggle_udp() {
      try {
          ds = new DatagramSocket(PORT);
      } catch (SocketException exp) {}
   }

   public void startServing() {

      InetAddress address = null;

      try {
        address = InetAddress.getByName("siteplayer");  // this resolves to 192.168.0.17
      } catch (UnknownHostException uhe) {}

      byte[] dataBuffer1 = new byte[7];
      DatagramPacket dpsend = new DatagramPacket(dataBuffer1, dataBuffer1.length, address, PORT);
      dataBuffer1[0] = 0x01;          // number of bytes to send
      dataBuffer1[1] = (byte) 0xFE;   // compliment of number of bytes to send
      dataBuffer1[2] = 0x14;          // low byte of address of IO3
      dataBuffer1[3] = (byte) 0xFF;   // high byte of address of IO3
      dataBuffer1[5] = 0x00;          // udp must end with two zero bytes
      dataBuffer1[6] = 0x00;


      while(keepRunning) {
         try {

            dataBuffer1[4] = 0x00;          // turn on led

            ds.send(dpsend);

            try { Thread.sleep(1000); } catch (InterruptedException interrupted) {}

            dataBuffer1[4] = 0x01;          // turn off led

            ds.send(dpsend);

            try { Thread.sleep(1000); } catch (InterruptedException interrupted) {}

         } catch (IOException expe) {}

      }
   }
}