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add doc

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JuliDi 2023-06-28 15:21:24 +02:00
parent 91c31d5e43
commit 27a89019ad
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examples/stm32l4/src/bin/dac_dma.rs
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@ -52,6 +52,8 @@ async fn dac_task1(dac: &'static mut Dac1Type<'static>) {
info!("TIM6 frequency is {}", TIM6::frequency()); info!("TIM6 frequency is {}", TIM6::frequency());
const FREQUENCY: Hertz = Hertz::hz(200); const FREQUENCY: Hertz = Hertz::hz(200);
// Compute the reload value such that we obtain the FREQUENCY for the sine
let reload: u32 = (TIM6::frequency().0 / FREQUENCY.0) / data.len() as u32; let reload: u32 = (TIM6::frequency().0 / FREQUENCY.0) / data.len() as u32;
// Depends on your clock and on the specific chip used, you may need higher or lower values here // Depends on your clock and on the specific chip used, you may need higher or lower values here