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The good: use the hardware watchdog in your application control flow.

The bad: don't use a watchdog.

The ugly: trigger the watchdog from a fucking timer interrupt.

Comments
  • 3
    Ah, you remind me of my old simple days with assembly coding.
  • 3
    @jespersh It's actually in C, mostly at least, but close enough to the hardware that you need to read the PCB schematics and component datasheets for understanding what's really going on.
  • 3
    Finally, manual watchdog
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