embassy/embassy-hal-common/src/lib.rs
Dario Nieuwenhuis fc32b3750c Remove embassy_hal_common::usb.
The replacement is `embassy-usb`. There's a WIP driver for stm32 USBD in #709,
there's no WIP driver for stm32 USB_OTG. This means we're left without
USB_OTG support for now.

Reason for removing is I'm going to soon remove `embassy::io`, and
USB uses it. I don't want to spend time maintaining "dead" code
that is going to be removed. Volunteers welcome, either to update
old USB to the new IO, or write a USB_OTG driver fo the new USB.
2022-05-04 01:41:37 +02:00

23 lines
583 B
Rust

#![no_std]
#![allow(clippy::new_without_default)]
// This mod MUST go first, so that the others see its macros.
pub(crate) mod fmt;
pub mod drop;
pub mod interrupt;
mod macros;
pub mod peripheral;
pub mod ratio;
pub mod ring_buffer;
/// Low power blocking wait loop using WFE/SEV.
pub fn low_power_wait_until(mut condition: impl FnMut() -> bool) {
while !condition() {
// WFE might "eat" an event that would have otherwise woken the executor.
cortex_m::asm::wfe();
}
// Retrigger an event to be transparent to the executor.
cortex_m::asm::sev();
}