pennae c44c108db5 rp/pio: wrap sm rx, tx in structs and allow splitting
this *finally* allows sound implementions of bidirectional transfers
without blocking. the futures previously allowed only a single direction
to be active at any given time, and the dma transfers didn't take a
mutable reference and were thus unsound.
2023-05-03 13:00:52 +02:00
..
2023-05-01 19:32:06 +00:00