Enum I2cDevError 

#[non_exhaustive]
pub enum I2cDevError {
    ConnectorNotFound {
        connector: String,
    },
    ConnectorHasNoDdcAdapter {
        connector: String,
    },
    DdcAdapterIndexUnparseable {
        symlink_target: PathBuf,
    },
    DeviceOpenFailed {
        path: PathBuf,
        source: Error,
    },
    Transaction(I2cTransactionError),
}

The error type for all fallible operations in this crate.

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.

ConnectorNotFound

The specified DRM connector was not found in sysfs.

Fields

connector: String

The connector name that was looked up.

ConnectorHasNoDdcAdapter

The connector exists in sysfs but has no ddc symlink. Common for non-HDMI connectors and HDMI ports with no sink attached.

Fields

connector: String

The connector name that was looked up.

DdcAdapterIndexUnparseable

The ddc symlink exists but its target does not contain a recognizable adapter index. This indicates an unexpected sysfs layout.

Fields

symlink_target: PathBuf

The full symlink target path that could not be parsed.

DeviceOpenFailed

The /dev/i2c-N device could not be opened.

Fields

path: PathBuf

The device path that could not be opened.

source: Error

The underlying I/O error.

Transaction(I2cTransactionError)

An I²C transaction failed.

Trait Implementations

impl Debug for I2cDevError

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

Formats the value using the given formatter.

impl Display for I2cDevError

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

Formats the value using the given formatter.

impl Error for I2cDevError

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.