msp430 through the capture of ultrasound program, you can take to get a very accurate time interval

用捕获模式实现超声波
....................\capture_uliwave.dep
....................\capture_uliwave.ewd
....................\capture_uliwave.ewp
....................\capture_uliwave.eww
....................\capture_ultiwave.c
....................\capture_ultiwave.h
....................\Debug
....................\.....\Exe
....................\.....\...\capture_uliwave.d43
....................\.....\List
....................\.....\Obj
....................\.....\...\capture_uliwave.pbd
....................\.....\...\capture_ultiwave.r43
....................\.....\...\LCD_driver.r43
....................\.....\...\main.r43
....................\delay.h
....................\LCD_driver.c
....................\LCD_driver.h
....................\main.c
....................\settings
....................\........\capture_uliwave.cspy.bat
....................\........\capture_uliwave.dbgdt
....................\........\capture_uliwave.dni
....................\........\capture_uliwave.wsdt

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