File list (Check if you may need any files):
超声模块
........\c程序
........\.....\cscjmain.c
........\.....\cscjmain.LST
........\.....\cscjmain.OBJ
........\.....\Cs_t.asm
........\.....\Cs_t.LST
........\.....\Cs_t.OBJ
........\.....\Delay.asm
........\.....\Delay.LST
........\.....\Delay.OBJ
........\.....\Display.asm
........\.....\Display.LST
........\.....\Display.OBJ
........\.....\STARTUP.A51
........\.....\STARTUP.LST
........\.....\STARTUP.OBJ
........\.....\tests
........\.....\tests.hex
........\.....\tests.lnp
........\.....\tests.M51
........\.....\tests.Opt
........\.....\tests.plg
........\.....\tests.Uv2
........\SP-40-38F测距模块.pdf
........\接线.txt
........\测距模块.PDF.pdf
........\超声波测距 汇编程序
........\...................\cj-3
........\...................\cj-3.hex
........\...................\cj-3.lnp
........\...................\cj-3.M51
........\...................\cj-3.Opt
........\...................\cj-3.plg
........\...................\cj-3.Uv2
........\...................\test1.asm
........\...................\test1.LST
........\...................\test1.OBJ