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raise_to -> Ceiling.raise

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This commit is contained in:
Jorge Aparicio 2017-04-21 15:41:03 -05:00
parent 3e165f2a42
commit 1c82f1b119
6 changed files with 31 additions and 34 deletions
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47
src/lib.rs
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@ -522,31 +522,6 @@ where
r
}
/// Raises the system ceiling to match `resource`'s ceiling
#[cfg(not(thumbv6m))]
pub fn raise_to<R, CURRENT, HIGHER, RES, F>(
_current_ceiling: &C<CURRENT>,
_resource: &RES,
f: F,
) -> R
where
F: FnOnce(&C<HIGHER>) -> R,
RES: ResourceLike<Ceiling = HIGHER>,
HIGHER: Cmp<CURRENT, Output = Greater>,
HIGHER: Cmp<UMAX, Output = Less>,
HIGHER: Unsigned,
{
unsafe {
let old_basepri = basepri::read();
basepri_max::write(logical2hw(HIGHER::to_u8()));
barrier!();
let ret = f(&C { _marker: PhantomData });
barrier!();
basepri::write(old_basepri);
ret
}
}
/// Requests the execution of a `task`
pub fn request<T, PRIORITY>(_task: fn(T, P<PRIORITY>))
where
@ -586,6 +561,28 @@ pub struct C<T> {
_marker: PhantomData<T>,
}
impl<CURRENT> C<CURRENT> {
/// Raises the ceiling to match `resource`'s ceiling
pub fn raise<HIGHER, RES, R, F>(&self, _resource: &'static RES, f: F) -> R
where
RES: ResourceLike<Ceiling = HIGHER>,
HIGHER: Cmp<CURRENT, Output = Greater>,
HIGHER: Cmp<UMAX, Output = Less>,
HIGHER: Unsigned,
F: FnOnce(&C<HIGHER>) -> R,
{
unsafe {
let old_basepri = basepri::read();
basepri_max::write(logical2hw(HIGHER::to_u8()));
barrier!();
let ret = f(&C { _marker: PhantomData });
barrier!();
basepri::write(old_basepri);
ret
}
}
}
/// A type-level priority
pub struct P<T> {
_marker: PhantomData<T>,