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stm32: fix stop

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This commit is contained in:
xoviat
2023-10-02 18:11:03 -05:00
parent a742a80171
commit e042b3056d
5 changed files with 33 additions and 35 deletions
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31
embassy-stm32/src/rtc/v2.rs
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@ -112,25 +112,26 @@ impl super::Rtc {
pub(crate) fn stop_wakeup_alarm(&self, cs: critical_section::CriticalSection) -> Option<embassy_time::Duration> {
use crate::interrupt::typelevel::Interrupt;
trace!("rtc: stop wakeup alarm at {}", self.instant());
if RTC::regs().cr().read().wute() {
trace!("rtc: stop wakeup alarm at {}", self.instant());
self.write(false, |regs| {
regs.cr().modify(|w| w.set_wutie(false));
regs.cr().modify(|w| w.set_wute(false));
regs.isr().modify(|w| w.set_wutf(false));
self.write(false, |regs| {
regs.cr().modify(|w| w.set_wutie(false));
regs.cr().modify(|w| w.set_wute(false));
regs.isr().modify(|w| w.set_wutf(false));
crate::pac::EXTI
.pr(0)
.modify(|w| w.set_line(RTC::EXTI_WAKEUP_LINE, true));
crate::pac::EXTI
.pr(0)
.modify(|w| w.set_line(RTC::EXTI_WAKEUP_LINE, true));
<RTC as crate::rtc::sealed::Instance>::WakeupInterrupt::unpend();
});
if let Some(stop_time) = self.stop_time.borrow(cs).take() {
Some(self.instant() - stop_time)
} else {
None
<RTC as crate::rtc::sealed::Instance>::WakeupInterrupt::unpend();
});
}
self.stop_time
.borrow(cs)
.take()
.map(|stop_time| self.instant() - stop_time)
}
#[cfg(feature = "low-power")]