Enum esp_idf_hal::spi::Operation

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pub enum Operation<'a, Word>
where Word: 'static,
{ Read(&'a mut [Word]), Write(&'a [Word]), Transfer(&'a mut [Word], &'a [Word]), TransferInPlace(&'a mut [Word]), DelayNs(u32), }
Expand description

SPI transaction operation.

This allows composition of SPI operations into a single bus transaction.

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Read(&'a mut [Word])

Read data into the provided buffer.

Equivalent to SpiBus::read.

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Write(&'a [Word])

Write data from the provided buffer, discarding read data.

Equivalent to SpiBus::write.

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Transfer(&'a mut [Word], &'a [Word])

Read data into the first buffer, while writing data from the second buffer.

Equivalent to SpiBus::transfer.

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TransferInPlace(&'a mut [Word])

Write data out while reading data into the provided buffer.

Equivalent to SpiBus::transfer_in_place.

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DelayNs(u32)

Delay for at least the specified number of nanoseconds.

Trait Implementations§

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impl<'a, Word> Debug for Operation<'a, Word>
where Word: Debug + 'static,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl<'a, Word> PartialEq for Operation<'a, Word>
where Word: PartialEq + 'static,

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fn eq(&self, other: &Operation<'a, Word>) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<'a, Word> Eq for Operation<'a, Word>
where Word: Eq + 'static,

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impl<'a, Word> StructuralPartialEq for Operation<'a, Word>
where Word: 'static,

Auto Trait Implementations§

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impl<'a, Word> Freeze for Operation<'a, Word>

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impl<'a, Word> RefUnwindSafe for Operation<'a, Word>
where Word: RefUnwindSafe,

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impl<'a, Word> Send for Operation<'a, Word>
where Word: Send + Sync,

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impl<'a, Word> Sync for Operation<'a, Word>
where Word: Sync,

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impl<'a, Word> Unpin for Operation<'a, Word>

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impl<'a, Word> !UnwindSafe for Operation<'a, Word>

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, 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.