串口方式1
.........\1.c
.........\fangshi1.c
.........\s.DSN
.........\s.PWI
.........\u1
.........\u1.c
.........\u1.hex
.........\u1.lnp
.........\u1.LST
.........\u1.M51
.........\u1.OBJ
.........\u1.Opt
.........\u1.plg
.........\u1.Uv2
.........\u2
.........\u2.c
.........\u2.hex
.........\u2.lnp
.........\u2.LST
.........\u2.M51
.........\u2.OBJ
.........\u2.Opt
.........\u2.plg
.........\u2.Uv2