wireless communication with PIC24f and MRF24WB0MA

set wlan h localWiFi
set wlan p password...

set wlan host wifissid
AOK
<4.00>
set wlan pass password
AOK
<4.00>
join
Auto-Assoc horace1 chan=1 mode=WPA2 SCAN OK
<4.00>
Joining horace1 now..
Associated!
DHCP: Start
DHCP in 2136ms, lease=86400s
IF=UP
DHCP=ON
IP=192.168.1.17:888
NM=255.255.255.0
GW=192.168.1.1
set ip host 192.168.1.11
AOK
<4.00>
set ip remote 999
AOK
<4.00>
set ip local 888
AOK
<4.00>
exit
EXIT
hello UDP server

// simple UDP server waiting for datagrams and extracting a string

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

public class UDPserver extends Thread
{
public static void main(String args[])
{
        int receivePort=999;                                                                                        // port to receive datagrams from
        InetAddress remoteIPaddress;                                    // IP address of remote host
        int remotePort;                                                 // port on remote host to send frames too
        byte[] buffer = new byte[65507];                                // array to put datagrams in
        DatagramPacket dp = new DatagramPacket(buffer, buffer.length);  // create packet for datagrams
        try
              {
              // open DatagramSocket to receive and a DatagramePacket to hold the datagrams
              DatagramSocket ds = new DatagramSocket(receivePort);
              // loop forever reading datagrams from the DatagramSocket
              while (true)
                {
                 ds.receive(dp);                                         // wait for next datagram
                 byte[] data = dp.getData();                             // get datagram contents
                 String s = new String(data, 0, dp.getLength());         // create a string from the data
                 System.out.println("\nFrom IP " + dp.getAddress() + " UDP string received " + s + "\n");
                }
              }
        catch (IOException se) {System.err.println("error " + se);}
        System.exit(1);                                                 // exit on failure
}
}

char getConsole(void)   reads a single character from the serial 
char *getsnConsole(char *s, uint16_t len)  reads a string of characters
line

  U1TXREG = U2RXREG;        // console Rx --> wifly Tx

/*** Interrupt Service routine for UART1 RX ******************************/
void __attribute__ ((interrupt,no_auto_psv)) _U1RXInterrupt(void)
{
  IFS0bits.U1RXIF = 0;      // Clear the interrupt status of UART1 RX
  while(!U1STAbits.URXDA);

  while (U1STAbits.UTXBF);  // wait while Tx buffer full
  U2TXREG = U1RXREG;        // wifly Rx --> console Tx
}

Programming Target (08/11/2014  08:32:27)
PIC24FJ128GA010 found (Rev 0x3002)
Erasing Target
Programming Program Memory (0x0 - 0x10FF)
   (Using Programming Executive)
Verifying Program Memory (0x0 - 0x10FF)
   (Using Programming Executive)
Programming Configuration Memory
Verifying Configuration Memory
PICkit 2 Ready

Programming Target (08/11/2014  08:35:30)
PKWarn0003: Unexpected device ID:  Please verify that a PIC24FJ128GA010 is correctly installed in the application.  (Expected ID = 0x40D0000, ID Read = 0xFF800000)
Erasing Target
Programming Program Memory (0x0 - 0x10FF)
   PE Error: Using ICSP
Verifying Program Memory (0x0 - 0x10FF)
   PE Error: Using ICSP
PK2Error0027:  Failed verify (Address = 0x0 - Expected Value 0x40200 - Value Read 0xA600)
PICkit 2 Ready