Listing 3—The applet code for the station ID update is kicked off every 2 s by the Easy GUI device. This is done to give quick feedback when the Set Station ID function button is pressed. 

//Amulet applet code 


	<applet code="Field.class" width="125" height="32" align="BOTTOM" name="numid">

        <param name="href" value="Amulet:UART.byteValue(1)">

        <param name="fontSize" value="2">

        <param name="fontStyle" value="bold">

        <param name="verticalAlign" value="middle">

        <param name="horizontalAlign" value="center">

        <param name="min" value="0">

        <param name="max" value="7">

        <param name="printf" value="Station ID is %2i">

        <param name="minFld" value="0">

        <param name="maxFld" value="7">

        <param name="border" value="0">

        <param name="updateRate" value="2">

        </applet></TD>


//PIC code

         case 0x11:

            send_buffer[0] = 0x21;

            data_buffer[1] = bgetc();

            data_buffer[2] = bgetc();

            send_buffer[1] = data_buffer[1];

            send_buffer[2] = data_buffer[2];

            if(data_buffer[1] == 0x30 && data_buffer[2] == 0x31)

               {


                  send_buffer[3] = hex2ascii(station_id >> 4);

                  send_buffer[4] = hex2ascii(station_id & 0x0F);

                  for (i=0;i<5;++i)

                     putc(send_buffer[i]);

               }


            break;