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Merge pull request #1730 from bartekkowalski/main

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LSE requires setting PWREN bit on STM32L4
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Dario Nieuwenhuis 2023-08-01 08:07:55 +00:00 committed by GitHub
commit 5e4f65fe1f
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embassy-stm32/src/rcc/l4.rs
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@ -412,6 +412,7 @@ pub(crate) unsafe fn init(config: Config) {
match config.rtc_mux {
RtcClockSource::LSE32 => {
// 1. Unlock the backup domain
RCC.apb1enr1().modify(|w| w.set_pwren(true));
PWR.cr1().modify(|w| w.set_dbp(true));
// 2. Setup the LSE