This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TM4C123GH6PM: Unlock TM4C123GXL

Part Number: TM4C123GH6PM

Hi,

I am using TM4C123GH6PM with IAR Embedded Workbench for ARM.

Trying to blink LED on the launchpad. It seems to be that the Launchpad is locked, I am getting messages like software reset was performed and target reset

Tried using LM Flash Programmer to unlock, but didn't work. Could you please guide through this behavior.

Thank you

  • Hello Karuna,

    I am not familiar with IAR Workbench, we use CCS at TI, but those messages to me don't sound problematic if they occur at the beginning of programming as the IDE would have to reset the TM4C in order to access the JTAG circuit for debugging.

    Are you using the TivaWare blinky example? If so, are you saying that when you run it, nothing happens?

    Can you post a screenshot of the IAR workbench screen after you try and run the program?
  • Hello Karuna,

    I haven't heard back from you, so I’m assuming you were able to resolve your issue.

    I will close this thread now, but if you have not solved this issue then post a reply below (or open a new thread if the thread has locked due to time-out).
  • Hi Ralph,

    Sorry for the delayed response.Problem was with the missing header file of "lm4f120h5qr.h"

    Thank you