Enum UsbError 

pub enum UsbError {
    DeviceNotFound {
        vendor_id: u16,
        product_id: u16,
    },
    OpenFailed(String),
    ClaimFailed(u8, String),
    TransferFailed {
        endpoint: u8,
        reason: String,
    },
    Timeout(u8),
    Other(String),
}

Errors from USB operations.

Variants

DeviceNotFound

No device with the requested VID:PID is attached.

Fields

vendor_id: u16

Requested USB Vendor ID.

product_id: u16

Requested USB Product ID.

OpenFailed(String)

Device was discoverable but could not be opened.

ClaimFailed(u8, String)

Interface claim (claim_interface) failed.

TransferFailed

Bulk/interrupt/control transfer failed.

Fields

endpoint: u8

Endpoint address (0x80 bit = IN, else OUT).

reason: String

OS-level failure reason.

Timeout(u8)

Transfer did not complete within its timeout window.

Other(String)

Catch-all for platform-specific failures.

Trait Implementations

impl Debug for UsbError

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

Formats the value using the given formatter.

impl Display for UsbError

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

Formats the value using the given formatter.

impl Error for UsbError

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.