Enum EnumerationError 

pub enum EnumerationError {
    Transfer(ChannelError),
    InvalidDescriptor,
    NoChannel,
}

USB host enumeration error.

Variants

Transfer(ChannelError)

Transfer failed during enumeration.

InvalidDescriptor

Invalid or unexpected descriptor received.

NoChannel

No free channel for EP0.

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 ChannelError: Format,

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

Writes the defmt representation of self to fmt.

impl From<ChannelError> for EnumerationError

fn from(e: ChannelError) -> Self

Converts to this type from the input type.

impl From<HostError> for EnumerationError

fn from(e: HostError) -> Self

Converts to this type from the input type.