Enum EnumerationError 

pub enum EnumerationError {
    Transfer(PipeError),
    InvalidDescriptor,
    ConfigBufferTooSmall(usize),
    NoPipe,
    RequestFailed,
}

USB host enumeration error.

Variants

Transfer(PipeError)

Transfer failed during enumeration.

InvalidDescriptor

Invalid or unexpected descriptor received.

ConfigBufferTooSmall(usize)

Configuration buffer too small

NoPipe

No free pipe for EP0 or no free device address.

RequestFailed

The device did not respond to a control request after retries.

Trait Implementations

impl Debug for EnumerationError

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

Formats the value using the given formatter.

impl Display for EnumerationError

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

Formats the value using the given formatter.

impl Error for EnumerationError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl Format for EnumerationError

where PipeError: Format,

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

Writes the defmt representation of self to fmt.

impl From<HostError> for EnumerationError

fn from(e: HostError) -> Self

Converts to this type from the input type.

impl From<PipeError> for EnumerationError

fn from(e: PipeError) -> Self

Converts to this type from the input type.