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stm32: fix bd lsi

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This commit is contained in:
xoviat 2023-09-24 18:37:09 -05:00
parent 65d36f9f99
commit 9f2fc04caa
1 changed files with 7 additions and 6 deletions
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5
embassy-stm32/src/rcc/bd.rs
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@ -100,13 +100,14 @@ impl BackupDomain {
#[cfg(not(rtc_v3u5))]
let csr = crate::pac::RCC.csr();
Self::modify(|_| {
// Disable backup domain write protection
Self::modify(|_| {});
#[cfg(not(any(rcc_wb, rcc_wba)))]
csr.modify(|w| w.set_lsion(true));
#[cfg(any(rcc_wb, rcc_wba))]
csr.modify(|w| w.set_lsi1on(true));
});
#[cfg(not(any(rcc_wb, rcc_wba)))]
while !csr.read().lsirdy() {}