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Debugging RTX code

JeanMarc Mifsud

Hi,

I'm trying to debug a sample RTX code running on MCBTMS570 board using uVision 4 and Segger J-Link jtag pod.
The code compiles fine an runs if I start from a reset. (LEDs are blinking as they are supposed).
If I halt and resume, the code fails in undefined handler.
Also, if I set a breakpoint in one of the task, and start from reset, the code will runs correctly up to the breakpoint, but will fail if I resume execution.

If tried the same bin code using TI CCS the code runs fine, and breakpoint/resume are also working.

Any ideas?

Thanks and Regards,

Jean-Marc Mifsud

Parents
  • 0 in reply to Westonsupermare Pier

    Thanks for your advise, but unfortunately, it did not help.
    As I said in my previous post, the same binary code can be debugged correctly using Code Composer Studio (TI IDE).
    Maybe you can explain the way uVision interracts with an application running RTX.
    In the project properties, I did select the RTX in one of the tab. (without, the SWI handler is not present and the application does not run).
    I've noticed that when within the debug session, whenever I open the RTX window, the application does not run real time anymore. I assume, the debugger is setting some kind of breakpoint and reads the target to figure out the state of the different task.
    Of course in CCS, I don't have this support.

    So in summary, I'm stuck here. In fact, this is a question from one of our customer, using TMS570 devices under uVision. Any help will be appreciated.

    Also, I've compiled and used another demo code (blinky) that is not using RTX. This code runs fine and debug is possible. So I really think there is something related to RTX that I don't understand.

    Thanks and Regards,

    Jean-Marc Mifsud

Reply
  • 0 in reply to Westonsupermare Pier

    Thanks for your advise, but unfortunately, it did not help.
    As I said in my previous post, the same binary code can be debugged correctly using Code Composer Studio (TI IDE).
    Maybe you can explain the way uVision interracts with an application running RTX.
    In the project properties, I did select the RTX in one of the tab. (without, the SWI handler is not present and the application does not run).
    I've noticed that when within the debug session, whenever I open the RTX window, the application does not run real time anymore. I assume, the debugger is setting some kind of breakpoint and reads the target to figure out the state of the different task.
    Of course in CCS, I don't have this support.

    So in summary, I'm stuck here. In fact, this is a question from one of our customer, using TMS570 devices under uVision. Any help will be appreciated.

    Also, I've compiled and used another demo code (blinky) that is not using RTX. This code runs fine and debug is possible. So I really think there is something related to RTX that I don't understand.

    Thanks and Regards,

    Jean-Marc Mifsud

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