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stm32: update stm32-metapac.

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This commit is contained in:
Dario Nieuwenhuis
2023-06-19 03:07:26 +02:00
parent adaed307b4
commit 558918651e
68 changed files with 2893 additions and 3568 deletions
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20
embassy-stm32/src/time_driver.rs
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@ -155,8 +155,7 @@ impl RtcDriver {
let timer_freq = T::frequency();
// NOTE(unsafe) Critical section to use the unsafe methods
critical_section::with(|_| unsafe {
critical_section::with(|_| {
r.cr1().modify(|w| w.set_cen(false));
r.cnt().write(|w| w.set_cnt(0));
@ -184,7 +183,7 @@ impl RtcDriver {
});
<T as BasicInstance>::Interrupt::unpend();
<T as BasicInstance>::Interrupt::enable();
unsafe { <T as BasicInstance>::Interrupt::enable() };
r.cr1().modify(|w| w.set_cen(true));
})
@ -193,9 +192,8 @@ impl RtcDriver {
fn on_interrupt(&self) {
let r = T::regs_gp16();
// NOTE(unsafe) Use critical section to access the methods
// XXX: reduce the size of this critical section ?
critical_section::with(|cs| unsafe {
critical_section::with(|cs| {
let sr = r.sr().read();
let dier = r.dier().read();
@ -228,7 +226,7 @@ impl RtcDriver {
let period = self.period.fetch_add(1, Ordering::Relaxed) + 1;
let t = (period as u64) << 15;
critical_section::with(move |cs| unsafe {
critical_section::with(move |cs| {
r.dier().modify(move |w| {
for n in 0..ALARM_COUNT {
let alarm = &self.alarms.borrow(cs)[n];
@ -269,8 +267,7 @@ impl Driver for RtcDriver {
let period = self.period.load(Ordering::Relaxed);
compiler_fence(Ordering::Acquire);
// NOTE(unsafe) Atomic read with no side-effects
let counter = unsafe { r.cnt().read().cnt() };
let counter = r.cnt().read().cnt();
calc_now(period, counter)
}
@ -310,7 +307,7 @@ impl Driver for RtcDriver {
if timestamp <= t {
// If alarm timestamp has passed the alarm will not fire.
// Disarm the alarm and return `false` to indicate that.
unsafe { r.dier().modify(|w| w.set_ccie(n + 1, false)) };
r.dier().modify(|w| w.set_ccie(n + 1, false));
alarm.timestamp.set(u64::MAX);
@ -321,12 +318,11 @@ impl Driver for RtcDriver {
// Write the CCR value regardless of whether we're going to enable it now or not.
// This way, when we enable it later, the right value is already set.
unsafe { r.ccr(n + 1).write(|w| w.set_ccr(safe_timestamp as u16)) };
r.ccr(n + 1).write(|w| w.set_ccr(safe_timestamp as u16));
// Enable it if it'll happen soon. Otherwise, `next_period` will enable it.
let diff = timestamp - t;
// NOTE(unsafe) We're in a critical section
unsafe { r.dier().modify(|w| w.set_ccie(n + 1, diff < 0xc000)) };
r.dier().modify(|w| w.set_ccie(n + 1, diff < 0xc000));
true
})