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stm32: remove atomic-polyfill.

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This commit is contained in:
Dario Nieuwenhuis
2023-10-12 01:16:42 +02:00
parent 32b89eeba1
commit 70a91945fc
8 changed files with 69 additions and 29 deletions
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16
embassy-stm32/src/rcc/mod.rs
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@ -27,9 +27,10 @@ pub use mco::*;
#[cfg_attr(rcc_wba, path = "wba.rs")]
#[cfg_attr(any(rcc_wl5, rcc_wle), path = "wl.rs")]
mod _version;
pub use _version::*;
#[cfg(feature = "low-power")]
use atomic_polyfill::{AtomicU32, Ordering};
use core::sync::atomic::{AtomicU32, Ordering};
pub use _version::*;
// Model Clock Configuration
//
@ -145,14 +146,17 @@ pub fn low_power_ready() -> bool {
}
#[cfg(feature = "low-power")]
pub(crate) fn clock_refcount_add() {
pub(crate) fn clock_refcount_add(_cs: critical_section::CriticalSection) {
// We don't check for overflow because constructing more than u32 peripherals is unlikely
CLOCK_REFCOUNT.fetch_add(1, Ordering::Relaxed);
let n = CLOCK_REFCOUNT.load(Ordering::Relaxed);
CLOCK_REFCOUNT.store(n + 1, Ordering::Relaxed);
}
#[cfg(feature = "low-power")]
pub(crate) fn clock_refcount_sub() {
assert!(CLOCK_REFCOUNT.fetch_sub(1, Ordering::Relaxed) != 0);
pub(crate) fn clock_refcount_sub(_cs: critical_section::CriticalSection) {
let n = CLOCK_REFCOUNT.load(Ordering::Relaxed);
assert!(n != 0);
CLOCK_REFCOUNT.store(n - 1, Ordering::Relaxed);
}
/// Frozen clock frequencies