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Merge pull request #1793 from ARizzo35/stm32l4-rtc-pwren

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stm32l4: set pwren in rcc regardless of clock source
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Dario Nieuwenhuis 2023-08-18 10:19:54 +00:00 committed by GitHub
commit 94fa95c699
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1 changed files with 2 additions and 1 deletions
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embassy-stm32/src/rcc/l4.rs
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@ -410,10 +410,11 @@ pub(crate) unsafe fn init(config: Config) {
while RCC.cfgr().read().sws() != Sw::MSI {} while RCC.cfgr().read().sws() != Sw::MSI {}
} }
RCC.apb1enr1().modify(|w| w.set_pwren(true));
match config.rtc_mux { match config.rtc_mux {
RtcClockSource::LSE32 => { RtcClockSource::LSE32 => {
// 1. Unlock the backup domain // 1. Unlock the backup domain
RCC.apb1enr1().modify(|w| w.set_pwren(true));
PWR.cr1().modify(|w| w.set_dbp(true)); PWR.cr1().modify(|w| w.set_dbp(true));
// 2. Setup the LSE // 2. Setup the LSE