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//! Macros that implement embedded-hal traits for Monotonics
/// Implements [`embedded_hal::delay::DelayNs`] for a given monotonic.
#[macro_export]
macro_rules! impl_embedded_hal_delay_fugit {
($t:ty) => {
impl $crate::embedded_hal::delay::DelayNs for $t {
fn delay_ns(&mut self, ns: u32) {
let now = <Self as $crate::Monotonic>::now();
let mut done =
now + <Self as $crate::Monotonic>::Duration::nanos_at_least(ns.into());
if now != done {
// Compensate for sub-tick uncertainty
done += <Self as $crate::Monotonic>::Duration::from_ticks(1);
}
while <Self as $crate::Monotonic>::now() < done {}
}
fn delay_us(&mut self, us: u32) {
let now = <Self as $crate::Monotonic>::now();
let mut done =
now + <Self as $crate::Monotonic>::Duration::micros_at_least(us.into());
if now != done {
// Compensate for sub-tick uncertainty
done = done + <Self as $crate::Monotonic>::Duration::from_ticks(1);
}
while <Self as $crate::Monotonic>::now() < done {}
}
fn delay_ms(&mut self, ms: u32) {
let now = <Self as $crate::Monotonic>::now();
let mut done =
now + <Self as $crate::Monotonic>::Duration::millis_at_least(ms.into());
if now != done {
// Compensate for sub-tick uncertainty
done += <Self as $crate::Monotonic>::Duration::from_ticks(1);
}
while <Self as $crate::Monotonic>::now() < done {}
}
}
};
}
/// Implements [`embedded_hal_async::delay::DelayNs`] for a given monotonic.
#[macro_export]
macro_rules! impl_embedded_hal_async_delay_fugit {
($t:ty) => {
impl $crate::embedded_hal_async::delay::DelayNs for $t {
#[inline]
async fn delay_ns(&mut self, ns: u32) {
<Self as $crate::Monotonic>::delay(
<Self as $crate::Monotonic>::Duration::nanos_at_least(ns.into()),
)
.await;
}
#[inline]
async fn delay_us(&mut self, us: u32) {
<Self as $crate::Monotonic>::delay(
<Self as $crate::Monotonic>::Duration::micros_at_least(us.into()),
)
.await;
}
#[inline]
async fn delay_ms(&mut self, ms: u32) {
<Self as $crate::Monotonic>::delay(
<Self as $crate::Monotonic>::Duration::millis_at_least(ms.into()),
)
.await;
}
}
};
}
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