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  • Case ID: 349067
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SDK 3.X.X and west flashing with nrfutil and nrfjprog

MarkusK

Hello,

I am puzzled. I am using the nrf52840-dk. In SDK 3.X the board specification board.cmake changed. Now nrfutil is at the first place:
include(${ZEPHYR_BASE}/boards/common/nrfutil.board.cmake)
include(${ZEPHYR_BASE}/boards/common/nrfjprog.board.cmake)

In SDK version 2.9 it was:
include(${ZEPHYR_BASE}/boards/common/nrfjprog.board.cmake)
include(${ZEPHYR_BASE}/boards/common/nrfutil.board.cmake)

And now the default in the runners.yaml is nrfutil. The problem is nrfutil isnt found:
FATAL ERROR: required program nrfutil not found; install it or add its location to PATH

So which version from nrfutil is now used? The python version is deprecated and the one to download (www.nordicsemi.com/.../nRF-Util) is also an old version. Should it be in the toolchain? But where?

When I type manually west flash --runner nrfjprog or west flash --runner jlink it works. But only west flash raises the error.

Regards
Markus

  • 0

    Ok, I think a get it a little bit. But for installation process its still a little bit confusing.
    Actually this nrfutil tool seems to be right. Its Version v8.0 (Version number is not standing at the download page): 
    https://www.nordicsemi.com/Products/Development-tools/nRF-Util

    In Windows I had to download it, place it in a folder and than manually adding it to the PATH-variable. Afterwards I had manually to run the command:
    nrfutil install device

    So a folder .nrfutil in my user directory is created. And then I could use it in VS Code with the button Flash without an error message. 

    Is this really the way it should be? 
    So at all:
    -install Segger Software
    -install nrf Tools
    -install nrf Connect for Desktop
    -install VS Code
    -install VS Code Extension for nrf Connect
    -install toolchain 3.0.2
    -install SDK 3.0.2
    -download nrf util and place it in a place which is included in the PATH variable
    -execute nrfutil install device

    Afterwards the blinky example did work. Is this really the right way? Looks like getting more complicated. Or did I something wrong?

    Regards
    Markus 

  • 0

    Hello,

    nRF command line tools has been replaced by nrfutil. See the section on nRF Command Line Tools. You can follow this Academy course to set up the environment for working with the nRF Connect SDK.

    Kind regards,
    Abhijith

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