Hi Jody,
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New user/developer here and just tipping my toe in the water.? Regarding debouncing the key interrupts I wonder if you tried or considered disabling the GPIO interrupt as the first action in the IRQ handler, doing the IRQ business and renabling the interrupt after a small debouncing delay?? That is how I have done it on bare metal or RTOS projects I have done.? I did some research and the RPi OS doesn't make this straightforward to do without modifying the kernal, but I have seen workarounds to do this by poking /dev/mem register locations.
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72, John - N2AFU
