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stm32/rtc: impl. functions on trait

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This commit is contained in:
xoviat
2023-04-18 20:35:43 -05:00
parent 4de4039417
commit e24421a393
3 changed files with 74 additions and 72 deletions
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42
embassy-stm32/src/rtc/v3.rs
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@ -1,6 +1,6 @@
use stm32_metapac::rtc::vals::{Calp, Calw16, Calw8, Fmt, Init, Key, Osel, Pol, TampalrmPu, TampalrmType};
use super::{Instance, RtcCalibrationCyclePeriod, RtcConfig};
use super::{sealed, Instance, RtcCalibrationCyclePeriod, RtcConfig};
use crate::pac::rtc::Rtc;
impl<'d, T: Instance> super::Rtc<'d, T> {
@ -182,32 +182,24 @@ impl<'d, T: Instance> super::Rtc<'d, T> {
}
}
pub(super) unsafe fn enable_peripheral_clk() {
// Nothing to do
}
impl sealed::Instance for crate::peripherals::RTC {
const BACKUP_REGISTER_COUNT: usize = 32;
pub const BACKUP_REGISTER_COUNT: usize = 32;
fn read_backup_register(_rtc: &Rtc, register: usize) -> Option<u32> {
if register < Self::BACKUP_REGISTER_COUNT {
//Some(rtc.bkpr()[register].read().bits())
None // RTC3 backup registers come from the TAMP peripe=heral, not RTC. Not() even in the L412 PAC
} else {
None
}
}
/// Read content of the backup register.
///
/// The registers retain their values during wakes from standby mode or system resets. They also
/// retain their value when Vdd is switched off as long as V_BAT is powered.
pub fn read_backup_register(_rtc: &Rtc, register: usize) -> Option<u32> {
if register < BACKUP_REGISTER_COUNT {
//Some(rtc.bkpr()[register].read().bits())
None // RTC3 backup registers come from the TAMP peripe=heral, not RTC. Not() even in the L412 PAC
} else {
None
fn write_backup_register(_rtc: &Rtc, register: usize, _value: u32) {
if register < Self::BACKUP_REGISTER_COUNT {
// RTC3 backup registers come from the TAMP peripe=heral, not RTC. Not() even in the L412 PAC
//unsafe { self.rtc.bkpr()[register].write(|w| w.bits(value)) }
}
}
}
/// Set content of the backup register.
///
/// The registers retain their values during wakes from standby mode or system resets. They also
/// retain their value when Vdd is switched off as long as V_BAT is powered.
pub fn write_backup_register(_rtc: &Rtc, register: usize, _value: u32) {
if register < BACKUP_REGISTER_COUNT {
// RTC3 backup registers come from the TAMP peripe=heral, not RTC. Not() even in the L412 PAC
//unsafe { self.rtc.bkpr()[register].write(|w| w.bits(value)) }
}
}
impl Instance for crate::peripherals::RTC {}