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Fix ADC max frequency for F2

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Joonas Javanainen 2024-02-01 21:58:36 +02:00
parent 21024e8638
commit 7e0f287431
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1 changed files with 4 additions and 0 deletions
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embassy-stm32/src/adc/v2.rs
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@ -67,7 +67,11 @@ enum Prescaler {
impl Prescaler {
fn from_pclk2(freq: Hertz) -> Self {
// Datasheet for F2 specifies min frequency 0.6 MHz, and max 30 MHz (with VDDA 2.4-3.6V).
#[cfg(stm32f2)]
const MAX_FREQUENCY: Hertz = Hertz(30_000_000);
// Datasheet for both F4 and F7 specifies min frequency 0.6 MHz, typ freq. 30 MHz and max 36 MHz.
#[cfg(not(stm32f2))]
const MAX_FREQUENCY: Hertz = Hertz(36_000_000);
let raw_div = freq.0 / MAX_FREQUENCY.0;
match raw_div {