File list (Check if you may need any files):
MyUsbDevice\config.h
...........\Key.c
...........\Key.h
...........\Key.LST
...........\Key.OBJ
...........\LED.h
...........\Main.c
...........\Main.LST
...........\Main.OBJ
...........\MyType.h
...........\MyUsbDevice
...........\MyUsbDevice.hex
...........\MyUsbDevice.lnp
...........\MyUsbDevice.M51
...........\MyUsbDevice.Opt
...........\MyUsbDevice.plg
...........\MyUsbDevice.Uv2
...........\MyUsbDevice_Opt.Bak
...........\MyUsbDevice_Uv2.Bak
...........\PDIUSBD12.c
...........\PDIUSBD12.h
...........\PDIUSBD12.LST
...........\PDIUSBD12.OBJ
...........\STARTUP.A51
...........\STARTUP.LST
...........\STARTUP.OBJ
...........\UART.c
...........\UART.h
...........\UART.LST
...........\UART.OBJ
...........\UsbCore.c
...........\UsbCore.h
...........\UsbCore.LST
...........\UsbCore.OBJ
MyUsbDevice