embassy-usb-driver

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HostError

Enum HostError 

Source
pub enum HostError {
    ChannelError(ChannelError),
    RequestFailed,
    InvalidDescriptor,
    OutOfSlots,
    OutOfChannels,
    NoSuchDevice,
    InsufficientMemory,
    Other(&'static str),
}
Expand description

Indicates type of error of Host interface

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ChannelError(ChannelError)

A channel-level transfer error occurred.

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RequestFailed

The control request was not acknowledged by the device.

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InvalidDescriptor

A descriptor returned by the device could not be parsed.

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OutOfSlots

No free device slots available.

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OutOfChannels

No free host channels available.

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NoSuchDevice

The addressed device does not exist.

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InsufficientMemory

Insufficient memory for the requested operation.

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Other(&'static str)

An unspecified error with a static description.

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impl Clone for HostError

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fn clone(&self) -> HostError

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for HostError

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

Formats the value using the given formatter. Read more
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impl Format for HostError

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fn format(&self, f: Formatter<'_>)

Writes the defmt representation of self to fmt.
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impl From<ChannelError> for HostError

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fn from(value: ChannelError) -> Self

Converts to this type from the input type.
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impl PartialEq for HostError

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fn eq(&self, other: &HostError) -> bool

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for HostError

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impl Eq for HostError

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impl StructuralPartialEq for HostError

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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.