stm32: fix adc f3 startup time

closes #1888.
2023-09-15 17:36:21 -05:00 · 2023-09-15 17:36:21 -05:00 · aa2fa29b89
commit aa2fa29b89
parent c28a6bdd0b
1 changed files with 1 additions and 1 deletions
--- a/embassy-stm32/src/adc/f3.rs
+++ b/embassy-stm32/src/adc/f3.rs
@ -50,7 +50,7 @@ impl<'d, T: Instance> Adc<'d, T> {
        while T::regs().cr().read().adcal() {}

        // Wait more than 4 clock cycles after adcal is cleared (RM0364 p. 223)
-        delay.delay_us(6 * 1_000_000 / Self::freq().0);
+        delay.delay_us(1 + (6 * 1_000_000 / Self::freq().0));

        // Enable the adc
        T::regs().cr().modify(|w| w.set_aden(true));