timer-rtc: Already ask for the timer frequency
@@ -76,13 +76,13 @@ impl<T: Instance> RTC<T> {
}
}
- pub fn start(&'static self, pfreq: Hertz, ppre: u8) {
+ pub fn start(&'static self, timer_freq: Hertz) {
let inner = T::inner();
// NOTE(unsafe) Critical section to use the unsafe methods
critical_section::with(|_| {
unsafe {
- inner.prepare(pfreq, ppre);
+ inner.prepare(timer_freq);
}
self.irq.set_handler_context(self as *const _ as *mut _);
@@ -245,12 +245,10 @@ impl<T: Instance> embassy::time::Alarm for Alarm<T> {
pub struct TimerInner(pub(crate) TimGp16);
impl TimerInner {
- unsafe fn prepare(&self, pfreq: Hertz, ppre: u8) {
+ unsafe fn prepare(&self, timer_freq: Hertz) {
self.stop_and_reset();
- let multiplier = if ppre == 1 { 1 } else { 2 };
- let freq = pfreq.0 * multiplier;
- let psc = freq / TICKS_PER_SECOND as u32 - 1;
+ let psc = timer_freq.0 / TICKS_PER_SECOND as u32 - 1;
let psc: u16 = psc.try_into().unwrap();
self.set_psc_arr(psc, u16::MAX);
