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TM4C1294NCPDT: XDS110 Stay in DFU mode

user5092580
Prodigy 30 points
Part Number: TM4C1294NCPDT

hi:

I design a pcb ,using the TM4C129NCPDT to control mmwave sensor and rec data .but there is some problem when I download the firmware.

I use the xdsdfu tools to set the device into DFU mode

then i download the firmware

after loading ,i use xdsdfu-e to see if the firmware  download scucessful

unfortunate, its still in DFU mode ,the firmware not working. I continually set another serie num to the chip,then use xdsdfu -e command to see if i set it correctly,but the serie num not changed;

it seems that there is something wrong about the communication between  chip and the Pc,but why the status of the chip can be read through XDSDFU -e？？ please hlep!

  • 0
    TI__Guru**** 184426 points

    Hi,

      Before I forward your post to our experts who support the XDS110, I'd like to ask some questions.

      - Is the TM4C129NCPDT a fresh device meaning it is in an erased state?  Or the device already has prior XDS110 firmware in it and you just wanted to upgrade it? The reason I ask is because if the device is fresh then you need to download the bootloader into the flash before downloading the firmware. If you have not read the user's guide, please find the attachment here. XDS110SupportReadMe.pdf

      - Can you explain about your board? What is the purpose of the TM4C129NCPDT on your board? It seems to me you are intending the TM4C129NCPDT as a XDS110 debug probe? If this is the case, then do you have another processor that handles your main application?

  • 0 in reply to Charles Tsai
    Prodigy 30 points

    Thanks，i will try