Struct rp2040_hal::timer::CountDown
source · pub struct CountDown<'timer> { /* private fields */ }
Expand description
Implementation of the embedded_hal_0_2::timer
traits using rp2040_hal::timer
counter.
There is no Embedded HAL 1.0 equivalent at this time.
If all you need is a delay, Timer
does implement embedded_hal::delay::DelayNs
.
§Usage
use embedded_hal_0_2::timer::{CountDown, Cancel};
use fugit::ExtU32;
use rp2040_hal;
let mut pac = rp2040_hal::pac::Peripherals::take().unwrap();
// Make sure to initialize clocks, otherwise the timer wouldn't work
// properly. Omitted here for terseness.
let clocks: rp2040_hal::clocks::ClocksManager = todo!();
// Configure the Timer peripheral in count-down mode
let timer = rp2040_hal::Timer::new(pac.TIMER, &mut pac.RESETS, &clocks);
let mut count_down = timer.count_down();
// Create a count_down timer for 500 milliseconds
count_down.start(500.millis());
// Block until timer has elapsed
let _ = nb::block!(count_down.wait());
// Restart the count_down timer with a period of 100 milliseconds
count_down.start(100.millis());
// Cancel it immediately
count_down.cancel();
Trait Implementations§
impl Periodic for CountDown<'_>
Auto Trait Implementations§
impl<'timer> RefUnwindSafe for CountDown<'timer>
impl<'timer> Send for CountDown<'timer>
impl<'timer> Sync for CountDown<'timer>
impl<'timer> Unpin for CountDown<'timer>
impl<'timer> UnwindSafe for CountDown<'timer>
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more