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bypass ODEN if chip doesn't have it

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This commit is contained in:
eZio Pan 2023-10-18 19:42:31 +08:00
parent 88b2cdd6a0
commit 241488ef1c
1 changed files with 11 additions and 5 deletions
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16
embassy-stm32/src/rcc/f4f7.rs
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@ -2,7 +2,7 @@ pub use crate::pac::rcc::vals::{
Hpre as AHBPrescaler, Pllm as PllPreDiv, Plln as PllMul, Pllp, Pllq, Pllr, Pllsrc as PllSource,
Ppre as APBPrescaler, Sw as Sysclk,
};
use crate::pac::{FLASH, PWR, RCC};
use crate::pac::{FLASH, RCC};
use crate::rcc::{set_freqs, Clocks};
use crate::time::Hertz;
@ -101,11 +101,17 @@ impl Default for Config {
pub(crate) unsafe fn init(config: Config) {
// always enable overdrive for now. Make it configurable in the future.
PWR.cr1().modify(|w| w.set_oden(true));
while !PWR.csr1().read().odrdy() {}
#[cfg(not(any(
stm32f401, stm32f410, stm32f411, stm32f412, stm32f413, stm32f423, stm32f405, stm32f407, stm32f415, stm32f417
)))]
{
use crate::pac::PWR;
PWR.cr1().modify(|w| w.set_oden(true));
while !PWR.csr1().read().odrdy() {}
PWR.cr1().modify(|w| w.set_odswen(true));
while !PWR.csr1().read().odswrdy() {}
PWR.cr1().modify(|w| w.set_odswen(true));
while !PWR.csr1().read().odswrdy() {}
}
// Configure HSI
let hsi = match config.hsi {