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stm32/rcc: some f3 fixes.

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This commit is contained in:
Dario Nieuwenhuis 2024-02-13 00:58:18 +01:00
parent e8c998aad8
commit 739c69bd63
1 changed files with 3 additions and 2 deletions

5
embassy-stm32/src/rcc/f3.rs
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@ -222,8 +222,8 @@ pub(crate) unsafe fn init(config: Config) {
// Set prescalers // Set prescalers
// CFGR has been written before (PLL, PLL48) don't overwrite these settings // CFGR has been written before (PLL, PLL48) don't overwrite these settings
RCC.cfgr().modify(|w| { RCC.cfgr().modify(|w| {
w.set_ppre2(config.apb1_pre); w.set_ppre1(config.apb1_pre);
w.set_ppre1(config.apb2_pre); w.set_ppre2(config.apb2_pre);
w.set_hpre(config.ahb_pre); w.set_hpre(config.ahb_pre);
}); });
@ -234,6 +234,7 @@ pub(crate) unsafe fn init(config: Config) {
// CFGR has been written before (PLL, PLL48, clock divider) don't overwrite these settings // CFGR has been written before (PLL, PLL48, clock divider) don't overwrite these settings
RCC.cfgr().modify(|w| w.set_sw(config.sys)); RCC.cfgr().modify(|w| w.set_sw(config.sys));
while RCC.cfgr().read().sws() != config.sys {}
let rtc = config.ls.init(); let rtc = config.ls.init();