File list (Check if you may need any files):
13.矩阵按键\main.c
...........\main.LST
...........\main.OBJ
...........\project
...........\project.hex
...........\project.lnp
...........\project.M51
...........\project.plg
...........\project.uvopt
...........\project.uvproj
...........\project_uvopt.bak
...........\project_uvproj.bak
...........\STARTUP.A51
...........\STARTUP.LST
...........\STARTUP.OBJ
...........\STC15F2K.h
...........\UART.C
...........\UART.H
...........\UART.LST
...........\UART.OBJ
13.矩阵按键