File list (Check if you may need any files):
USB\C34.lnp
...\C34.M51
...\C34.Opt
...\C34.plg
...\C34.Uv2
...\C34_Opt.Bak
...\C34_Uv2.Bak
...\c8051F340.h
...\F34x_USB_Descriptor.c
...\F34x_USB_Descriptor.h
...\F34x_USB_Descriptor.LST
...\F34x_USB_Descriptor.OBJ
...\F34x_USB_ISR.c
...\F34x_USB_ISR.c.bak
...\F34x_USB_ISR.LST
...\F34x_USB_ISR.OBJ
...\F34x_USB_Main.c
...\F34x_USB_Main.c.bak
...\F34x_USB_Main.h
...\F34x_USB_Main.LST
...\F34x_USB_Main.OBJ
...\F34x_USB_Register.h
...\F34x_USB_Standard_Requests.c
...\F34x_USB_Standard_Requests.LST
...\F34x_USB_Standard_Requests.OBJ
...\STARTUP.A51
...\STARTUP.LST
...\STARTUP.OBJ
USB