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boards/nrf52840dongle/doc: Update nrfutil pointers

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Closes: https://github.com/RIOT-OS/RIOT/issues/19511
This commit is contained in:
chrysn 2023-04-26 14:30:29 +02:00
parent 23f7087845
commit 2b50c61429
1 changed files with 8 additions and 12 deletions
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20
boards/nrf52840dongle/doc.txt
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@ -31,12 +31,15 @@ reset button as well as 15 configurable external pins.
### <a name=nrf52840dongle_flash> Flash the board </a>
The board is flashed using its on-board boot loader; the
[nrfutil](https://github.com/NordicSemiconductor/pc-nrfutil) program needs to
be installed. That can turn the binary into a suitable zip file and send it to the
bootloader.
The board is flashed using its on-board boot loader; the proprietary
[nrfutil](https://www.nordicsemi.com/Products/Development-tools/nRF-Util) program needs to
be installed, and `nrfutil install nrf5sdk-tools` needs to be executed. Note
that nrfutil, even when not running the "install" command, will install itself
into `~/.nrfutil`. The older Python based version of nrfutil is no longer
maintained by Nordic, and has become dysfunctional on Python 3.11.
The process is automated in the usual `make flash` target.
The nrfutil can turn the binary into a suitable zip file and send it to the
bootloader. The process is automated in the usual `make flash` target.
If RIOT is already running on the board, it will automatically reset the CPU and enter
the bootloader.
@ -45,13 +48,6 @@ manually by pressing the board's reset button.
Readiness of the bootloader is indicated by LD2 pulsing in red.
#### nrfutil installation
On systems with Python 2 available, `pip install nrfutil` works.
On systems with Python 3, a recent version of pip is required to install all dependencies;
you may need to run `pip install --upgrade pip` before being able to run `pip install nrfutil` successfully.
### Accessing STDIO
The usual way to obtain a console on this board is using an emulated USB serial port (CDC-ACM).