独立键盘和键盘矩阵
..................\ls3
..................\...\ls3
..................\...\ls3.c
..................\...\ls3.hex
..................\...\ls3.LST
..................\...\ls3.M51
..................\...\ls3.OBJ
..................\...\ls3.Opt
..................\...\ls3.plg
..................\...\ls3.Uv2
..................\...\ls3_Opt.Bak
..................\...\ls3_Uv2.Bak
..................\ls3_1
..................\.....\ls3_1
..................\.....\ls3_1.c
..................\.....\ls3_1.hex
..................\.....\ls3_1.LST
..................\.....\ls3_1.M51
..................\.....\ls3_1.OBJ
..................\.....\ls3_1.Opt
..................\.....\ls3_1.plg
..................\.....\ls3_1.Uv2
..................\.....\ls3_1_Opt.Bak
..................\.....\ls3_1_Uv2.Bak
..................\ls3_2
..................\.....\ls3_2
..................\.....\ls3_2.c
..................\.....\ls3_2.hex
..................\.....\ls3_2.LST
..................\.....\ls3_2.M51
..................\.....\ls3_2.OBJ
..................\.....\ls3_2.Opt
..................\.....\ls3_2.plg
..................\.....\ls3_2.Uv2
..................\.....\ls3_2_Opt.Bak
..................\.....\ls3_2_Uv2.Bak