Stefan Kerkmann 881aab9e76
Stabilize Half-duplex PIO split comms take 2 (#18421)
...by moving the actually timing critical `enter_rx_state()` and
`leave_rx_state()` functions to RAM in order to not be affected by XIP
cache spikes. This commit also reverts the hacky USB interrupt disabling
that was done in 293c53d774
2022-09-20 08:54:43 +02:00
..