max/embassy
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

stm32/rcc: add LSE/LSI to all chips, add RTC to more chips.

Browse Source
This commit is contained in:
Dario Nieuwenhuis
2023-10-11 03:53:27 +02:00
parent 5a19d18b9c
commit b91d1eaca0
31 changed files with 267 additions and 403 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
embassy-stm32/src/rtc/mod.rs
View File

@ -10,7 +10,6 @@ use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
use embassy_sync::blocking_mutex::Mutex;
pub use self::datetime::{DateTime, DayOfWeek, Error as DateTimeError};
pub use crate::rcc::RtcClockSource;
use crate::time::Hertz;
/// refer to AN4759 to compare features of RTC2 and RTC3
@ -184,7 +183,7 @@ impl Default for RtcCalibrationCyclePeriod {
impl Rtc {
pub fn new(_rtc: impl Peripheral<P = RTC>, rtc_config: RtcConfig) -> Self {
#[cfg(any(rcc_wle, rcc_wl5, rcc_g4, rcc_g0, rtc_v2l4, rtc_v2wb))]
#[cfg(not(any(stm32l0, stm32f3, stm32l1, stm32f0, stm32f2)))]
<RTC as crate::rcc::sealed::RccPeripheral>::enable();
let mut this = Self {
@ -204,19 +203,8 @@ impl Rtc {
}
fn frequency() -> Hertz {
#[cfg(any(rcc_wb, rcc_f4, rcc_f410, rcc_h5, rcc_h50, rcc_h7, rcc_h7rm0433, rcc_h7ab))]
let freqs = unsafe { crate::rcc::get_freqs() };
// Load the clock frequency from the rcc mod, if supported
#[cfg(any(rcc_wb, rcc_f4, rcc_f410, rcc_h5, rcc_h50, rcc_h7, rcc_h7rm0433, rcc_h7ab))]
match freqs.rtc {
Some(hertz) => hertz,
None => freqs.rtc_hse.unwrap(),
}
// Assume the default value, if not supported
#[cfg(not(any(rcc_wb, rcc_f4, rcc_f410, rcc_h5, rcc_h50, rcc_h7, rcc_h7rm0433, rcc_h7ab)))]
Hertz(32_768)
freqs.rtc.unwrap()
}
/// Acquire a [`RtcTimeProvider`] instance.