PIC18F4550 USB CDC DEMO with the PUSB Development Board
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When first connected to a Windows PC, you may be asked for the USB driver.
if so, use the PBPCDC.INF file when asked for the driver.

After the device is connected to a PC an additional serial com port will be available
Open any terminal application such as HyperTerm and select the new com port.

Enter the values 0 to 5 to see the demo results. Values displayed are 8 bit in size
0 = Hello World! message
1 = ADC Chan 1 value 
2 = ADC Chan 2 value 
3 = ADC Chan 3 value 
4 = ADC Chan 3 value 
5 = Displays a value that is incremented each time
Any other key will display the 'Enter 0-5' message

Note: If the PUSB board has a 4 line by 16 character LCD (HD44780 type) attached, the data will also appear on the LCD