File list (Check if you may need any files):
基础方式\4X4keys.plg
........\4X4keys.uvgui.123
........\4X4keys.uvgui_123.bak
........\4X4keys.uvopt
........\4X4keys.uvproj
........\4X4keys_uvopt.bak
........\4X4keys_uvproj.bak
........\lst\4X4keys.lst
........\...\4X4keys.m51
........\...\STARTUP.lst
........\out\4X4keys
........\...\4X4keys.hex
........\...\4X4keys.lnp
........\...\4X4keys.obj
........\...\4X4keys.plg
........\...\4X4keys.__i
........\...\STARTUP.obj
........\src\4X4keys.c
........\...\types.h
........\STARTUP.A51
........\lst
........\out
........\src
基础方式