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flipper-logic_analyzer

I was missing a simple way of using Flipper as logic analyzer with e.g. PulseView, so I created a (prototype) plugin.

Just start the Flipper application and you will see smth like that for now:

Video

Then start PulseView and add a new "Openbench Logic Sniffer (ols)" and select the second flipper serial port.

When arming, you can now look at the trace in PulseView.

Current state:

  • all 8 channels supported Channel 0 is C0, Channel 1 is C1, ... Channel 7 is A7
  • fixed sampling rate not supported (yet?)
  • if a trigger level is defined, no matter which one, the signals are captured as soon this signal changes
  • maximum capture rate unclear. didn't make any tests. guess in the 100kHz range
  • sample count capped to 16384 for now. didn't check what is possible using malloc()
  • only ONE SHOT currently supported. unknown reason. you have to close and reopen the capture window in PulseView (probably bug in PulseView?)

Discussion thread: https://discord.com/channels/740930220399525928/1074401633615749230

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