marcoster

Should really the Async-API of zephyr's uart be used here? As far as I've seen the API is only supported by STM32, NRF and sam0. Or is the API the...

Yeah, thought so... maybe I'll find some time soon. So for now I'll have to stick with KMK for my KB2040 / Sofle combo ;-)

@mbrgm Sorry, never wrote an answer - as I don't have any nice!nanos around I don't really know, but since the nRF52840 in Zephyr supports async uart it normally should...