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EmptyBuf

esp_hal::dma

Struct EmptyBuf 

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pub struct EmptyBuf;
Expand description

An empty buffer that can be used when you don’t need to transfer any data.

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impl DmaRxBuffer for EmptyBuf

Available on crate feature unstable only.
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type View = EmptyBuf

A type providing operations that are safe to perform on the buffer whilst the DMA is actively using it.
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type Final = EmptyBuf

The type returned to the user when a transfer finishes. Read more
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fn prepare(&mut self) -> Preparation

Prepares the buffer for an imminent transfer and returns information required to use this buffer. Read more
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fn into_view(self) -> EmptyBuf

This is called before the DMA starts using the buffer.
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fn from_view(view: Self::View) -> Self

This is called after the DMA is done using the buffer.
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impl DmaTxBuffer for EmptyBuf

Available on crate feature unstable only.
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type View = EmptyBuf

A type providing operations that are safe to perform on the buffer whilst the DMA is actively using it.
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type Final = EmptyBuf

The type returned to the user when a transfer finishes. Read more
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fn prepare(&mut self) -> Preparation

Prepares the buffer for an imminent transfer and returns information required to use this buffer. Read more
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fn into_view(self) -> EmptyBuf

This is called before the DMA starts using the buffer.
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fn from_view(view: Self::View) -> Self

This is called after the DMA is done using the buffer.

Auto Trait Implementations§

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, 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> Same for T

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type Output = T

Should always be Self
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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.