...
Note that Emcraft maintains forks of the nRF Connect SDK and Zephyr OS on GitHub, where additional improvements are made for the nRF91xx and nRF5340 devices:
https://githubvoxelbotics.atlassian.comnet/EmcraftSystems/sdk-nrfhttps://github.com/EmcraftSystems/sdk-zephyr wiki/spaces/SOMnRF9151/pages/804093953/Understanding+Zephyr+BSP+for+SOM-nRF9151#2.-Customized-nRF-Connect-SDK
In order to use the Emcraft SDK and Zephyr forks, adjust the SDK initialization command from the SDK installation document as follows:
...
The SOM-NRF9151 Zephyr application is maintained in the separate GitHub repository:
https://github.com/EmcraftSystems/som-nrf9151-app
Clone it in the same directory where west was initialized:
...
The SOM-NRF9151 board uses an out-of-tree board configuration, since it is not supported in Zephyr:
https://githubvoxelbotics.atlassian.comnet/EmcraftSystems/som-nrf9151-app/tree/main/boards/emcraft/nrf9151somwiki/spaces/SOMnRF9151/pages/804093953/Understanding+Zephyr+BSP+for+SOM-nRF9151#3.1-SOM-nRF9151-Board-Configuration
Build the application for the nRF9151 on the SOM-NRF9151 using the following command:
...