Function set_rom_callback

pub unsafe extern "C" fn set_rom_callback(
    callback_number: i32,
    callback_fn: *const (),
) -> i32

Set a boot ROM callback.

The only supported callback_number is 0 which sets the callback used for the secure_call API.

See datasheet section 5.5.10.3 for more details.

Supported architectures: ARM-S, RISC-V

Safety

This is a low-level C function. It may be difficult to call safely from Rust. If in doubt, check the rp235x datasheet for details and do your own safety evaluation.