Device

kernel::pwm

Struct Device 

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pub struct Device(/* private fields */);
Expand description

Wrapper for a PWM device struct pwm_device.

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impl Device

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pub fn hwpwm(&self) -> u32

Gets the hardware PWM index for this device within its chip.

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pub fn chip<T: PwmOps>(&self) -> &Chip<T>

Gets a reference to the parent Chip that this device belongs to.

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pub fn label(&self) -> Option<&CStr>

Gets the label for this PWM device, if any.

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pub fn set_waveform(&self, wf: &Waveform, exact: bool) -> Result

Sets the PWM waveform configuration and enables the PWM signal.

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pub fn round_waveform(&self, wf: &mut Waveform) -> Result<RoundingOutcome>

Queries the hardware for the configuration it would apply for a given request.

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pub fn get_waveform(&self) -> Result<Waveform>

Reads the current waveform configuration directly from the hardware.

Auto Trait Implementations§

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impl !Freeze for Device

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impl !RefUnwindSafe for Device

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impl !Send for Device

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impl !Sync for Device

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impl !Unpin for Device

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impl UnwindSafe for Device

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Init<T> for T

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unsafe fn __init(self, slot: *mut T) -> Result<(), Infallible>

Initializes slot. Read more
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fn chain<F>(self, f: F) -> ChainInit<Self, F, T, E>
where F: FnOnce(&mut T) -> Result<(), E>,

First initializes the value using self then calls the function f with the initialized value. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> PinInit<T> for T

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unsafe fn __pinned_init(self, slot: *mut T) -> Result<(), Infallible>

Initializes slot. Read more
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fn pin_chain<F>(self, f: F) -> ChainPinInit<Self, F, T, E>
where F: FnOnce(Pin<&mut T>) -> Result<(), E>,

First initializes the value using self then calls the function f with the initialized value. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.