Several signals I am analyzing require a count of rising or falling edges.
Having a simple "Counter" protocol analyzer would be very helpful.
Ha! I've been using a timing marker pair, but I didn't realize other annotations could be added.
Please see the article below as this feature has already been implemented:
You will want to look at the section "Using Measurements (persistent)." From there, you can select either Rising Edges or Falling Edges.
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