Description: You can test the pulse width of the PWM, very good reference code, I hope to help you
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File list (Check if you may need any files):
测频\ExtDll.iex
....\FreqMeasure.axf
....\FreqMeasure.c
....\freqmeasure.crf
....\freqmeasure.d
....\FreqMeasure.h
....\FreqMeasure.hex
....\FreqMeasure.htm
....\FreqMeasure.lnp
....\FreqMeasure.map
....\freqmeasure.o
....\FreqMeasure.plg
....\FreqMeasure.sct
....\FreqMeasure.tra
....\FreqMeasure.uvgui.Administrator
....\FreqMeasure.uvgui.wendy
....\FreqMeasure.uvgui_Administrator.bak
....\FreqMeasure.uvgui_wendy.bak
....\FreqMeasure.uvopt
....\FreqMeasure.uvproj
....\freqmeasure.__i
....\FreqMeasure_Target 1.dep
....\FreqMeasure_uvopt.bak
....\FreqMeasure_uvproj.bak
....\main.c
....\main.crf
....\main.d
....\main.o
....\main.__i
....\Startup.d
....\Startup.lst
....\Startup.o
....\Startup.s
....\uartstdio.crf
....\uartstdio.d
....\uartstdio.o
....\uartstdio.__i
测频