RE: How to get zephyr to use a new .yaml file and .overlay

Yury Morgunov — Fri, 03 Jul 2020 07:11:39 GMT

Yes indeed, you need to create a directory of the form:

firmware:
- ncs
- CMakeLists.txt
- nrf9160dk_nrf9160ns.overlay
- prj.conf
- dts/common/
- dts/arm/
- dts/
- dts/bindings/gpio-sensors.yaml

Then it works. I used to try to do so, but apparently I was mistaken somewhere.

Here's what you need when creating a project:

cmake -B eclipse_project -GNinja -DBOARD=nrf9160dk_nrf9160ns -DDTS_ROOT=dts -G"Eclipse CDT4 - Ninja"

Or in Cmakelist:

set(DTS_ROOT "dts")

However, I could not specify DTS_ROOT through "west"
this is how I tried:

west build -d eclipse_project -b nrf9160dk_nrf9160ns -- -DDTS_ROOT=dts -- -G"Eclipse CDT4 - Ninja"

Something is wrong with the syntax.

Many thanks for the help!

RE: How to get zephyr to use a new .yaml file and .overlay

Simonr — Tue, 30 Jun 2020 13:30:26 GMT

Please check out the DeviceTree Guide in the Zephyr documentation here for more information on .yaml files. For information on how to do overlays and read them, please check out our nRFConnect SDK tutorial (Part 3) which describes that.

I also suggest checking out the Zephyr documentation on DeviceTree Definitions for information on out-of-tree DTS. Please note that the structure proposed here has to be located right after the CMakeLists that describes your project.

Best regards,

Simon