Find where CPU stuck

RE: Find where CPU stuck

Turbo J — Mon, 01 Jun 2020 10:56:01 GMT

Jlink commander can connect to the MCU w/o reset or halt. You cannot access CPU regs without halting the core, but you can read memory (RAM) and peripherial registers via the mem (mem8, mem32) command.

Addresses of variables in RAM can be found in the map file.

RE: Find where CPU stuck

awneil — Mon, 01 Jun 2020 10:10:17 GMT

So study the IAR documentation and/or contact IAR support to find if they have a similar feature, and how to use it.

At the price you pay for IAR, I would certainly hope they do ...

RE: Find where CPU stuck

yuval — Mon, 01 Jun 2020 10:04:39 GMT

Using IAR 8

RE: Find where CPU stuck

awneil — Mon, 01 Jun 2020 09:06:10 GMT

[quote userid="18378" url="~/f/nordic-q-a/62004/find-where-cpu-stuck"]Is there a way to see where in the software the CPU is (Like reading Program Counter) or "debug" (but without program & reset) [/quote]

You haven't said what IDE you're using.

With Segger Embedded Studio (SES), you can 'attach to target' - which doesn't do a program or reset...