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IWR6843AOP: Exceptions in init code

John Smith
Prodigy 50 points
Part Number: IWR6843AOP

Hi,

I'm using CCS to build/debug a modified version of the SBL. When running the application, I see no output over UART as I would expect.

When I build using the Make files in the SDK, the application runs as expected.

When debugging in CCS, the behavior is very inconsistent. Sometimes the code will run as expected, but most of the time it will run into an exception before the application starts.

It seems the most common exception cause is that it enters _c_int00 with the Thumb bit set (the code is 32-bit ARM).

Could this be an issue with my build configuration?

Thanks

  • 0
    TI__Genius 10730 points

    Hi,

    Thanks for reaching out on our e2e forums!

    First, what did you modify in the SBL?

    Is there something you do differently when it runs versus when you are seeing an error?

    Which version of the SDK are you using?

    Can you share your build configuration settings?

    Thank you,

    Angie