File list (Check if you may need any files):
超声波测距模组
..............\Backup of 测速与测距.Sch
..............\Demo Code
..............\.........\20HzOut--V2--Hig
..............\.........\................\20HzOut.env
..............\.........\................\20HzOut.h
..............\.........\................\20HzOut.lik
..............\.........\................\20HzOut.opt
..............\.........\................\20HzOut.rc
..............\.........\................\20HzOut.set
..............\.........\................\20HzOut.spj
..............\.........\................\CMacro1016.lib
..............\.........\................\DataOS_A.asm
..............\.........\................\Device.env
..............\.........\................\hardware.asm
..............\.........\................\hardware.h
..............\.........\................\hardware.inc
..............\.........\................\InitSystem.c
..............\.........\................\IntDocument.c
..............\.........\................\isr.asm
..............\.........\................\key.asm
..............\.........\................\main.c
..............\.........\................\Makefile
..............\.........\................\Resource.asm
..............\.........\................\Resource.inc
..............\.........\................\S480.h
..............\.........\................\s480.inc
..............\.........\................\sacmv26e.lib
..............\.........\................\SPCE061V004.H
..............\.........\................\Speech.c
..............\.........\................\UserFunction.c
..............\.........\................\voice
..............\.........\................\.....\0.72k
..............\.........\................\.....\1.72k
..............\.........\................\.....\2.72k
..............\.........\................\.....\3.72k
..............\.........\................\.....\4.72k
..............\.........\................\.....\5.72k
..............\.........\................\.....\6.72k
..............\.........\................\.....\7.72k
..............\.........\................\.....\8.72k
..............\.........\................\.....\9.72k
..............\.........\................\.....\BEGIN.72k
..............\.........\................\.....\CHECK.72k
..............\.........\................\.....\DOT.72k
..............\.........\................\.....\ERROR.72k
..............\.........\................\.....\ERRORS.72k
..............\.........\................\.....\M.72k
..............\.........\................\.....\MEASURE.72k
..............\.........\................\.....\PUSH.72k
..............\.........\................\.....\RESULT.72k
..............\.........\20HzOut--V2--Low
..............\.........\................\20HzOut.env
..............\.........\................\20HzOut.h
..............\.........\................\20HzOut.lik
..............\.........\................\20HzOut.opt
..............\.........\................\20HzOut.rc
..............\.........\................\20HzOut.set
..............\.........\................\20HzOut.spj
..............\.........\................\CMacro1016.lib
..............\.........\................\DataOS_A.asm
..............\.........\................\Device.env
..............\.........\................\hardware.asm
..............\.........\................\hardware.h
..............\.........\................\hardware.inc
..............\.........\................\InitSystem.c
..............\.........\................\IntDocument.c
..............\.........\................\isr.asm
..............\.........\................\key.asm
..............\.........\................\main.c
..............\.........\................\Makefile
..............\.........\................\Resource.asm
..............\.........\................\Resource.inc
..............\.........\................\S480.h
..............\.........\................\s480.inc
..............\.........\................\sacmv26e.lib
..............\.........\................\SPCE061V004.H
..............\.........\................\Speec