File list (Check if you may need any files):
超声波测距\ceshi.c
..........\ceshi.LST
..........\ceshi.OBJ
..........\STARTUP.A51
..........\STARTUP.LST
..........\STARTUP.OBJ
..........\Text1
..........\Text1.c
..........\Text1.hex
..........\Text1.lnp
..........\Text1.LST
..........\Text1.M51
..........\Text1.OBJ
..........\Text1.plg
..........\Text1.rar
..........\Text1.uvopt
..........\Text1.uvproj
..........\Text1_uvopt.bak
..........\Text1_uvproj.bak
..........\text2.c
..........\text2.LST
..........\text2.OBJ
..........\text3.c
..........\text3.LST
..........\text3.OBJ
超声波测距