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Read rx amount outside of poll_fn

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Ulf Lilleengen 2021-05-10 20:16:13 +02:00 committed by Dario Nieuwenhuis
parent 5afe01617a
commit 687dda106f
1 changed files with 4 additions and 3 deletions
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7
embassy-nrf/src/uarte.rs
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@ -400,11 +400,10 @@ impl<'d, U: Instance, T: TimerInstance> ReadUntilIdle for UarteWithIdle<'d, U, T
trace!("startrx"); trace!("startrx");
r.tasks_startrx.write(|w| unsafe { w.bits(1) }); r.tasks_startrx.write(|w| unsafe { w.bits(1) });
let n: usize = poll_fn(|cx| { poll_fn(|cx| {
s.endrx_waker.register(cx.waker()); s.endrx_waker.register(cx.waker());
if r.events_endrx.read().bits() != 0 { if r.events_endrx.read().bits() != 0 {
let n: usize = r.rxd.amount.read().amount().bits() as usize; return Poll::Ready(());
return Poll::Ready(n);
} }
Poll::Pending Poll::Pending
}) })
@ -412,6 +411,8 @@ impl<'d, U: Instance, T: TimerInstance> ReadUntilIdle for UarteWithIdle<'d, U, T
compiler_fence(Ordering::SeqCst); compiler_fence(Ordering::SeqCst);
r.events_rxstarted.reset(); r.events_rxstarted.reset();
let n = r.rxd.amount.read().amount().bits() as usize;
// Stop timer // Stop timer
rt.tasks_stop.write(|w| unsafe { w.bits(1) }); rt.tasks_stop.write(|w| unsafe { w.bits(1) });
drop.defuse(); drop.defuse();