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CompletedTransfer

embedded_3dgfx::display_backend

Struct CompletedTransfer 

Future
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pub struct CompletedTransfer<FB>
where
    FB: DMACapableFrameBufferBackend<Color = Rgb565>,
{ /* private fields */ }
Expand description

A transfer token that is already complete.

Used by SimulatorBackend: since there is no real DMA hardware, the framebuffer is simply held here until wait returns it.

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impl<FB> AsyncDmaTransfer for CompletedTransfer<FB>
where FB: DMACapableFrameBufferBackend<Color = Rgb565>,

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type WaitFuture = CompletedTransfer<FB>

The future type returned by wait_async.
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fn wait_async(self) -> Self::WaitFuture

Return a future that resolves to the framebuffer once the DMA transfer completes.
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impl<FB> DmaTransfer for CompletedTransfer<FB>
where FB: DMACapableFrameBufferBackend<Color = Rgb565>,

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type Buffer = FrameBuf<Rgb565, FB>

The buffer type that is returned when the transfer completes.
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fn is_done(&self) -> bool

Returns true if the DMA hardware has finished the transfer.
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fn wait(self) -> FrameBuf<Rgb565, FB>

Block until the transfer is complete and return the framebuffer. Read more
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impl<FB> Future for CompletedTransfer<FB>
where FB: DMACapableFrameBufferBackend<Color = Rgb565>,

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type Output = FrameBuf<Rgb565, FB>

The type of value produced on completion.
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fn poll(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Self::Output>

Attempts to resolve the future to a final value, registering the current task for wakeup if the value is not yet available. Read more

Auto Trait Implementations§

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impl<FB> Freeze for CompletedTransfer<FB>
where FB: Freeze,

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impl<FB> RefUnwindSafe for CompletedTransfer<FB>
where FB: RefUnwindSafe,

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impl<FB> Send for CompletedTransfer<FB>
where FB: Send,

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impl<FB> Sync for CompletedTransfer<FB>
where FB: Sync,

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impl<FB> Unpin for CompletedTransfer<FB>
where FB: Unpin,

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impl<FB> UnsafeUnpin for CompletedTransfer<FB>
where FB: UnsafeUnpin,

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impl<FB> UnwindSafe for CompletedTransfer<FB>
where FB: UnwindSafe,

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> Az for T

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fn az<Dst>(self) -> Dst
where T: Cast<Dst>,

Casts the value.
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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<Src, Dst> CastFrom<Src> for Dst
where Src: Cast<Dst>,

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fn cast_from(src: Src) -> Dst

Casts the value.
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impl<T> CheckedAs for T

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fn checked_as<Dst>(self) -> Option<Dst>
where T: CheckedCast<Dst>,

Casts the value.
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impl<Src, Dst> CheckedCastFrom<Src> for Dst
where Src: CheckedCast<Dst>,

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fn checked_cast_from(src: Src) -> Option<Dst>

Casts the value.
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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<F> IntoFuture for F
where F: Future,

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type Output = <F as Future>::Output

The output that the future will produce on completion.
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type IntoFuture = F

Which kind of future are we turning this into?
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fn into_future(self) -> <F as IntoFuture>::IntoFuture

Creates a future from a value. Read more
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impl<T> OverflowingAs for T

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where T: OverflowingCast<Dst>,

Casts the value.
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where Src: OverflowingCast<Dst>,

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Casts the value.
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type Output = T

Should always be Self
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where T: SaturatingCast<Dst>,

Casts the value.
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impl<Src, Dst> SaturatingCastFrom<Src> for Dst
where Src: SaturatingCast<Dst>,

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Casts the value.
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Checks if self is actually part of its subset T (and can be converted to it).
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Performs the conversion.
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where T: UnwrappedCast<Dst>,

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Casts the value.