The featured picture of this post has been created by DALL-E.
Microchip recently lowered the price for its hardware debugger SNAP from more than €50 to less than €20. I have recently created the Python script dw-gdbserver for this and other hardware debuggers so that you can now use SNAP in the Arduino IDE 2 to debug classic ATtinys and small ATmegas. All in all, this is an affordable and care-free debugging solution for classic AVRs.
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The featured picture of this post has been created by DALL-E.
It often happens in embedded debugging that you suddenly end up in the interrupt dispatch table while single-stepping through your code. Another unrelated problem is that sometimes, single steps can take an eternity. In this blog post, I address both issues and describe how to circumvent them in a gdbserver implementation.
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