Just that uart_ functions do not involve stdio/stdout/stdin.
They work directly with Hardware UARTs, without buffering (just hardware FIFOs), and without interrupts by default.
This is basically a write: https://github.com/raspberrypi/pico-sdk ... art.h#L459
Must be something else.
They work directly with Hardware UARTs, without buffering (just hardware FIFOs), and without interrupts by default.
This is basically a write: https://github.com/raspberrypi/pico-sdk ... art.h#L459
Must be something else.
Statistics: Posted by gmx — Thu Jan 22, 2026 10:57 pm