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Refactor IWDG to use LSI frequency from RCC

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This commit is contained in:
chemicstry
2022-07-10 20:59:36 +03:00
parent bd01e90bfa
commit 1fd5022e72
17 changed files with 117 additions and 73 deletions
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11
embassy-stm32/src/rcc/l5.rs
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@ -5,8 +5,11 @@ use crate::pac::{FLASH, RCC};
use crate::rcc::{set_freqs, Clocks};
use crate::time::{Hertz, U32Ext};
/// HSI16 speed
pub const HSI16_FREQ: u32 = 16_000_000;
/// HSI speed
pub const HSI_FREQ: Hertz = Hertz(16_000_000);
/// LSI speed
pub const LSI_FREQ: Hertz = Hertz(32_000);
/// System clock mux source
#[derive(Clone, Copy)]
@ -322,7 +325,7 @@ pub(crate) unsafe fn init(config: Config) {
RCC.cr().write(|w| w.set_hsion(true));
while !RCC.cr().read().hsirdy() {}
(HSI16_FREQ, Sw::HSI16)
(HSI_FREQ.0, Sw::HSI16)
}
ClockSrc::HSE(freq) => {
// Enable HSE
@ -343,7 +346,7 @@ pub(crate) unsafe fn init(config: Config) {
// Enable HSI
RCC.cr().write(|w| w.set_hsion(true));
while !RCC.cr().read().hsirdy() {}
HSI16_FREQ
HSI_FREQ.0
}
PLLSource::MSI(range) => {
// Enable MSI