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Enable input mode for PWM pins on RP235x and disable it on drop

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1-rafael-1 2025-04-14 22:41:28 +02:00
parent dd787c3727
commit dbd7ce4d38
1 changed files with 10 additions and 0 deletions
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10
embassy-rp/src/pwm.rs
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@ -157,6 +157,11 @@ impl<'d> Pwm<'d> {
pin.pad_ctrl().modify(|w| {
#[cfg(feature = "_rp235x")]
w.set_iso(false);
#[cfg(feature = "_rp235x")]
if divmode != Divmode::DIV {
// Is in input mode and so must enable input mode for the pin
w.set_ie(true);
}
w.set_pue(b_pull == Pull::Up);
w.set_pde(b_pull == Pull::Down);
});
@ -462,6 +467,11 @@ impl<'d> Drop for Pwm<'d> {
}
if let Some(pin) = &self.pin_b {
pin.gpio().ctrl().write(|w| w.set_funcsel(31));
#[cfg(feature = "_rp235x")]
// Disable input mode. Only pin_b can be input, so not needed for pin_a
pin.pad_ctrl().modify(|w| {
w.set_ie(false);
});
}
}
}