4、矩阵键盘检测\HJMCU
...............\hjmcu.C
...............\HJMCU.hex
...............\HJMCU.LIB
...............\HJMCU.lnp
...............\hjmcu.LST
...............\HJMCU.M51
...............\hjmcu.OBJ
...............\HJMCU.Opt
...............\HJMCU.plg
...............\HJMCU.Uv2
...............\HJMCU_Uv2.Bak
...............\闪烁灯.LST
...............\闪烁灯.OBJ
...............\新建文件夹
4、矩阵键盘检测
...............\study.c