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stm32/rcc: misc cleanups.

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This commit is contained in:
Dario Nieuwenhuis
2023-10-23 01:48:09 +02:00
parent 0ef1cb29f7
commit a39ae12edc
21 changed files with 175 additions and 238 deletions
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30
embassy-stm32/src/rcc/l0l1.rs
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@ -156,23 +156,9 @@ pub(crate) unsafe fn init(config: Config) {
w.set_ppre2(config.apb2_pre);
});
let ahb_freq = sys_clk / config.ahb_pre;
let (apb1_freq, apb1_tim_freq) = match config.apb1_pre {
APBPrescaler::DIV1 => (ahb_freq, ahb_freq),
pre => {
let freq = ahb_freq / pre;
(freq, freq * 2u32)
}
};
let (apb2_freq, apb2_tim_freq) = match config.apb2_pre {
APBPrescaler::DIV1 => (ahb_freq, ahb_freq),
pre => {
let freq = ahb_freq / pre;
(freq, freq * 2u32)
}
};
let hclk1 = sys_clk / config.ahb_pre;
let (pclk1, pclk1_tim) = super::util::calc_pclk(hclk1, config.apb1_pre);
let (pclk2, pclk2_tim) = super::util::calc_pclk(hclk1, config.apb2_pre);
#[cfg(crs)]
if config.enable_hsi48 {
@ -209,11 +195,11 @@ pub(crate) unsafe fn init(config: Config) {
set_freqs(Clocks {
sys: sys_clk,
hclk1: ahb_freq,
pclk1: apb1_freq,
pclk2: apb2_freq,
pclk1_tim: apb1_tim_freq,
pclk2_tim: apb2_tim_freq,
hclk1,
pclk1,
pclk2,
pclk1_tim,
pclk2_tim,
rtc,
});
}