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stm32/rcc: convert bus prescalers to pac enums

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This commit is contained in:
xoviat
2023-09-16 17:41:11 -05:00
parent 044b837caa
commit de2773afdd
19 changed files with 174 additions and 347 deletions
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10
embassy-stm32/src/rcc/f2.rs
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@ -308,9 +308,9 @@ impl Default for Config {
voltage: VoltageScale::Scale3,
mux: ClockSrc::HSI,
rtc: None,
ahb_pre: AHBPrescaler::NotDivided,
apb1_pre: APBPrescaler::NotDivided,
apb2_pre: APBPrescaler::NotDivided,
ahb_pre: AHBPrescaler::DIV1,
apb1_pre: APBPrescaler::DIV1,
apb2_pre: APBPrescaler::DIV1,
}
}
}
@ -383,7 +383,7 @@ pub(crate) unsafe fn init(config: Config) {
assert!(ahb_freq <= Hertz(120_000_000));
let (apb1_freq, apb1_tim_freq) = match config.apb1_pre {
APBPrescaler::NotDivided => (ahb_freq, ahb_freq),
APBPrescaler::DIV1 => (ahb_freq, ahb_freq),
pre => {
let freq = ahb_freq / pre;
(freq, Hertz(freq.0 * 2))
@ -393,7 +393,7 @@ pub(crate) unsafe fn init(config: Config) {
assert!(apb1_freq <= Hertz(30_000_000));
let (apb2_freq, apb2_tim_freq) = match config.apb2_pre {
APBPrescaler::NotDivided => (ahb_freq, ahb_freq),
APBPrescaler::DIV1 => (ahb_freq, ahb_freq),
pre => {
let freq = ahb_freq / pre;
(freq, Hertz(freq.0 * 2))