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use core::cell::UnsafeCell;
pub use mutex_trait::{self, Mutex};
#[cfg(not(any(feature = "esp32s2", feature = "esp8266")))]
#[derive(Default)]
pub struct CriticalSectionSpinLockMutex<T> {
data: spin::Mutex<T>,
}
#[cfg(not(any(feature = "esp32s2", feature = "esp8266")))]
impl<T> CriticalSectionSpinLockMutex<T> {
pub const fn new(data: T) -> Self {
CriticalSectionSpinLockMutex {
data: spin::Mutex::new(data),
}
}
}
#[cfg(not(any(feature = "esp32s2", feature = "esp8266")))]
impl<T> mutex_trait::Mutex for &'_ CriticalSectionSpinLockMutex<T> {
type Data = T;
fn lock<R>(&mut self, f: impl FnOnce(&mut Self::Data) -> R) -> R {
crate::interrupt::free(|_| f(&mut (*self.data.lock())))
}
}
#[cfg(not(any(feature = "esp32s2", feature = "esp8266")))]
unsafe impl<T> Sync for CriticalSectionSpinLockMutex<T> where T: Send {}
#[derive(Default)]
pub struct CriticalSectionMutex<T> {
data: UnsafeCell<T>,
}
impl<T> CriticalSectionMutex<T> {
pub const fn new(data: T) -> Self {
CriticalSectionMutex {
data: UnsafeCell::new(data),
}
}
}
impl<T> mutex_trait::Mutex for &'_ CriticalSectionMutex<T> {
type Data = T;
fn lock<R>(&mut self, f: impl FnOnce(&mut Self::Data) -> R) -> R {
crate::interrupt::free(|_| f(unsafe { &mut *self.data.get() }))
}
}
unsafe impl<T> Sync for CriticalSectionMutex<T> where T: Send {}
#[cfg(not(any(feature = "esp32s2", feature = "esp8266")))]
#[derive(Default)]
pub struct SpinLockMutex<T> {
data: spin::Mutex<T>,
}
#[cfg(not(any(feature = "esp32s2", feature = "esp8266")))]
impl<T> SpinLockMutex<T> {
pub const fn new(data: T) -> Self {
SpinLockMutex {
data: spin::Mutex::new(data),
}
}
}
#[cfg(not(any(feature = "esp32s2", feature = "esp8266")))]
impl<T> mutex_trait::Mutex for &'_ SpinLockMutex<T> {
type Data = T;
fn lock<R>(&mut self, f: impl FnOnce(&mut Self::Data) -> R) -> R {
f(&mut (*self.data.lock()))
}
}
#[cfg(not(any(feature = "esp32s2", feature = "esp8266")))]
unsafe impl<T> Sync for SpinLockMutex<T> where T: Send {}