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Prescaler 1 means divide by 3 on WL55

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This commit is contained in:
Ulf Lilleengen 2021-06-16 16:21:16 +02:00
parent 383beb37b3
commit 56c5218292
2 changed files with 6 additions and 2 deletions
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2
embassy-stm32/src/rcc/types.rs
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@ -63,7 +63,7 @@ pub enum PLLMul {
} }
/// AHB prescaler /// AHB prescaler
#[derive(Clone, Copy)] #[derive(Clone, Copy, PartialEq)]
pub enum AHBPrescaler { pub enum AHBPrescaler {
NotDivided, NotDivided,
Div2, Div2,

6
embassy-stm32/src/rcc/wl5x/mod.rs
View File

@ -164,7 +164,11 @@ impl RccExt for RCC {
unsafe { unsafe {
rcc.cfgr().modify(|w| { rcc.cfgr().modify(|w| {
w.set_sw(sw.into()); w.set_sw(sw.into());
w.set_hpre(cfgr.ahb_pre.into()); if cfgr.ahb_pre == AHBPrescaler::NotDivided {
w.set_hpre(0);
} else {
w.set_hpre(cfgr.ahb_pre.into());
}
w.set_ppre1(cfgr.apb1_pre.into()); w.set_ppre1(cfgr.apb1_pre.into());
w.set_ppre2(cfgr.apb2_pre.into()); w.set_ppre2(cfgr.apb2_pre.into());
}); });