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    • Flash erase/reload

    Flash erase/reload

    • uhler
      Posted by
      on Apr 13 2006 13:19 PM
      Prodigy10 points
      I made some a change to Startup.s to add an SEV at Reset_Handler, as in:

      ; Reset Handler
      EXPORT Reset_Handler
      Reset_Handler
      ; Enter the C code
      SEV ; This is what I added
      IMPORT __main
      LDR R0, =__main
      BX R0
      ALIGN

      (It seemed like a good idea at the time).

      After compiling and downloading to the board and running it, I can no longer debug or download new programs, getting messages like:

      "Cannot enter Debug Mode" and
      "Cannot access Memory"

      How can I clean things out to get the board to talk with me again.

      Thanks in advance for the help.
      Report Abuse
    • TI - Eric Hewing
      Posted by
      on Apr 13 2006 15:11 PM
      Expert4160 points
      I just ran an experiment where I modified the startup.c file in the way you described, but haven't had any trouble re-attaching to the device after running the code.

      If I had to guess, I would say that the problem is in the code after the reset handler, and not the SEV. I suggest sending us more information via the web support form or by emailing us at support@luminarymicro.com. If you can, please include your project so we can inspect the code and find the root cause.
      Report Abuse

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