1043: Rpi Pico PIO driver r=Dirbaio a=fluffware
This is a driver for the two PIOs in the Pico. I've tried using the type system to get as much compile time checks as possible. There is asynchronous support for FIFOs an Irqs. No DMA support yet. There's an example that shows how to use the driver asynchronously.
1103: embassy-stm32: add rs485 driver enable to uart r=Dirbaio a=FrozenDroid
Co-authored-by: Simon Berg <ksb@fluffware.se>
Co-authored-by: Vincent Stakenburg <v.stakenburg@sinewave.nl>
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