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feat: allow schmitt, slew, and drive strength be set from Flex, Input, Output

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Allows the schmitt, slew and drive strength to be set from Flex. Input and Output[OpenDrain] also expose the appropriate setters.
This commit is contained in:
Jonathan Dickinson 2023-10-01 21:47:50 -04:00
parent a1036e111e
commit f98c8886b2
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2 changed files with 41 additions and 0 deletions
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38
embassy-rp/src/gpio.rs
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@ -97,6 +97,12 @@ impl<'d, T: Pin> Input<'d, T> {
Self { pin } Self { pin }
} }
/// Set the pin's Schmitt trigger.
#[inline]
pub fn set_schmitt(&mut self, enable: bool) {
self.pin.set_schmitt(enable)
}
#[inline] #[inline]
pub fn is_high(&self) -> bool { pub fn is_high(&self) -> bool {
self.pin.is_high() self.pin.is_high()
@ -326,6 +332,18 @@ impl<'d, T: Pin> Output<'d, T> {
Self { pin } Self { pin }
} }
/// Set the pin's drive strength.
#[inline]
pub fn set_drive_strength(&mut self, strength: Drive) {
self.pin.set_drive_strength(strength)
}
// Set the pin's slew rate.
#[inline]
pub fn set_slew_rate(&mut self, slew_rate: SlewRate) {
self.pin.set_slew_rate(slew_rate)
}
/// Set the output as high. /// Set the output as high.
#[inline] #[inline]
pub fn set_high(&mut self) { pub fn set_high(&mut self) {
@ -386,6 +404,18 @@ impl<'d, T: Pin> OutputOpenDrain<'d, T> {
Self { pin } Self { pin }
} }
/// Set the pin's drive strength.
#[inline]
pub fn set_drive_strength(&mut self, strength: Drive) {
self.pin.set_drive_strength(strength)
}
// Set the pin's slew rate.
#[inline]
pub fn set_slew_rate(&mut self, slew_rate: SlewRate) {
self.pin.set_slew_rate(slew_rate)
}
/// Set the output as high. /// Set the output as high.
#[inline] #[inline]
pub fn set_high(&mut self) { pub fn set_high(&mut self) {
@ -541,6 +571,14 @@ impl<'d, T: Pin> Flex<'d, T> {
}); });
} }
/// Set the pin's Schmitt trigger.
#[inline]
pub fn set_schmitt(&mut self, enable: bool) {
self.pin.pad_ctrl().modify(|w| {
w.set_schmitt(enable);
});
}
/// Put the pin into input mode. /// Put the pin into input mode.
/// ///
/// The pull setting is left unchanged. /// The pull setting is left unchanged.

3
examples/rp/src/bin/usb_hid_keyboard.rs
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@ -78,6 +78,9 @@ async fn main(_spawner: Spawner) {
// Set up the signal pin that will be used to trigger the keyboard. // Set up the signal pin that will be used to trigger the keyboard.
let mut signal_pin = Input::new(p.PIN_16, Pull::None); let mut signal_pin = Input::new(p.PIN_16, Pull::None);
// Enable the schmitt trigger to slightly debounce.
signal_pin.set_schmitt(true);
let (reader, mut writer) = hid.split(); let (reader, mut writer) = hid.split();
// Do stuff with the class! // Do stuff with the class!