File list (Check if you may need any files):
频率 占空比 周期 的测量\plji
.......................\plji.c
.......................\plji.hex
.......................\plji.lnp
.......................\plji.LST
.......................\plji.M51
.......................\plji.OBJ
.......................\plji.Opt
.......................\plji.plg
.......................\plji.Uv2
.......................\plji_Opt.Bak
.......................\尝试\LCD1602.C
.......................\....\LCD1602.H
.......................\....\LCD1602.LST
.......................\....\LCD1602.OBJ
.......................\....\main
.......................\....\main.c
.......................\....\main.hex
.......................\....\main.lnp
.......................\....\main.LST
.......................\....\main.M51
.......................\....\main.OBJ
.......................\....\main.Opt
.......................\....\main.plg
.......................\....\main.Uv2
.......................\....\main_Opt.Bak
.......................\尝试
频率 占空比 周期 的测量