File list (Check if you may need any files):
usb mouse
.........\config.h
.........\key.c
.........\key.h
.........\key.LST
.........\key.OBJ
.........\learn002
.........\learn002.hex
.........\learn002.lnp
.........\learn002.M51
.........\learn002.Opt
.........\learn002.plg
.........\learn002.Uv2
.........\learn002_Opt.Bak
.........\learn002_Uv2.Bak
.........\LED.h
.........\main.c
.........\main.c.bak
.........\main.LST
.........\main.OBJ
.........\MyType.h
.........\PDIUSBD12.c
.........\PDIUSBD12.c.bak
.........\PDIUSBD12.h
.........\PDIUSBD12.h.bak
.........\PDIUSBD12.LST
.........\PDIUSBD12.OBJ
.........\readme.txt
.........\STARTUP.A51
.........\UART.c
.........\UART.c.bak
.........\UART.h
.........\UART.LST
.........\UART.OBJ
.........\UsbCore.c
.........\UsbCore.c.bak
.........\UsbCore.h
.........\UsbCore.h.bak
.........\UsbCore.LST
.........\UsbCore.OBJ
.........\__C51_2
.........\__C51_3
.........\__C51_4
.........\__C51_5
.........\__C51_6
.........\__C51_7
.........\__C51_8
.........\__C51_9