矩阵键盘 状态机法
.................\output
.................\......\display.lst
.................\......\display.obj
.................\......\main.lst
.................\......\main.obj
.................\......\matrixkeyscan.lst
.................\......\matrixkeyscan.obj
.................\......\STARTUP.lst
.................\......\STARTUP.obj
.................\......\矩阵键盘
.................\......\矩阵键盘.hex
.................\......\矩阵键盘.lnp
.................\......\矩阵键盘.m51
.................\......\矩阵键盘.plg
.................\source
.................\......\Define.h
.................\......\display.c
.................\......\display.h
.................\......\main.c
.................\......\matrixkeyscan.c
.................\......\matrixkeyscan.h
.................\STARTUP.A51
.................\矩阵键盘.plg
.................\矩阵键盘.uvopt
.................\矩阵键盘.uvproj
.................\矩阵键盘_uvopt.bak
.................\矩阵键盘_uvproj.bak