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CCS/CC3220SF-LAUNCHXL: How to fix 0xFFFFFFFC no symbols are defined

Manish_Thakur
Genius 5085 points
Part Number: CC3220SF-LAUNCHXL

Tool/software: Code Composer Studio

Hi Forum experts,

Recently, I was developing one application but my code receives fault when I checked in Debug section (Call stack for Code composer studio) there I found this 0xfffffffc (no symbols are defined). Can anyone say how can I fix this because it is unable to show from where fault is triggered.

[Edited] : I'm just testing an example from SDK named network terminal removed all its application and added my application on top of it. CCS  Version: 10.1.0.00010 

  • 0
    TI__Guru**** 421230 points

    Hi Manish,

    Manish_Thakur said:
    I found this 0xfffffffc (no symbols are defined).

    As you likely know, this message is simply saying that there is no correlation between this address and the loaded debug symbols. The key thing is to try to figure out why you hit the exception in the first place. I assume that is the only entry in the call stack, making this harder to debug.

    I will move this thread to the device forum. The experts there may have more ideas on how to debug the cause of the exception.

    Thanks

    ki

  • 0
    TI__Mastermind 22935 points

    Hi Manish,

    Have you tried debugging your application to see what causes this failure?

    Jesu

  • 0 in reply to Jesu
    Genius 5085 points

    Hi Jesu,

    I tried to debug it but there for a demo purpose I'm opening a file via sl_read api there only it is giving fault ideally it should return pass or fail. But even like where wlanprofileadd there also I got thsi same issue previously which I didn't posted but the thing is it is stopping to debug and I cannot know from which task or function it is triggered.

  • 0 in reply to Ki
    Genius 5085 points

    Hi Ki,

    Thanks for moving this thread to device forums

  • 0 in reply to Manish_Thakur
    TI__Mastermind 22935 points

    Hi Manish,

    I'm not sure I understood everything you said. Have you tried using ROV while in a debug session? I believe when the fault occurs you can check the call stack in ROV for your tasks to see the last thing that ran. This should help you narrow down the source of the problem in your code. Let me know. 

    Jesu

  • 0 in reply to Jesu
    Genius 5085 points

    Hi Jesu,

    I'm sorry for such a basic question, but what do you mean "check the call stack in ROV" ? Please explain as this is my first experience to CCS previously I was using IAR.

  • 0 in reply to Manish_Thakur
    Guru 73325 points

    Hi,

    In case of TI-RTOS + CCS is used, please see this video. In case of FreeRTOS is used ROV will not help you and you need to use RTOS debug capabilities of FreeRTOS.

    Jan