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Important tip when debugging Pi Pico with openocd and Pico Debug Probe


I just learned the hard way that timers do not work when you debug an app for the Pico. Which makes short delay loops take forever....

A good summary is here:

So, when you face the same issue this commandline will solve it:

openocd -f interface/cmsis-dap.cfg -c "set USE_CORE 0" -f target/rp2040.cfg -c "adapter speed 5000"

Have fun,


Thanks for the tip.  I hope I remember this when I eventually get round to playing with my Pico.

Funny, I deleted the topic here and put it to the arm forum, seems that delete was not successfull.

Anyway, now you have two places to remember..



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