Enum ErrorKind 

#[non_exhaustive]
pub enum ErrorKind {
    Usb,
    DeviceNotFound,
    MultipleDevicesFound,
    MissingCapability,
    InterfaceNotSupported,
    Other,
}

List of specific errors that may occur when using this library.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Usb

A USB transport error occurred.

This variant is used for all errors reported by the operating system when performing a USB operation. It may indicate that the USB device was unplugged, that another application or an operating system driver is currently using it, or that the current user does not have permission to access it.

DeviceNotFound

No (matching) J-Link device was found.

This error occurs when calling JayLink::open_by_serial while no J-Link device is connected (or no device matching the serial number is connected).

MultipleDevicesFound

Automatic device connection failed because multiple devices were found.

This error occurs when calling JayLink::open_by_serial without a serial number while multiple J-Link devices are connected. This library will refuse to “guess” a device and requires specifying a serial number in this case. The scan_usb function can also be used to find a specific device to connect to.

MissingCapability

A operation was attempted that is not supported by the probe.

Some operations are not supported by all firmware/hardware versions, and are instead advertised as optional capability bits. This error occurs when the capability bit for an operation isn’t set when that operation is attempted.

Capabilities can be read by calling JayLink::capabilities, which returns a Capabilities bitflags struct.

InterfaceNotSupported

The device does not support the selected target interface.

Other

An unspecified error occurred.

Trait Implementations

impl Clone for ErrorKind

fn clone(&self) -> ErrorKind

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ErrorKind

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

Formats the value using the given formatter.

impl PartialEq for ErrorKind

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

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

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

impl Copy for ErrorKind

impl Eq for ErrorKind

impl StructuralPartialEq for ErrorKind