mcp23017_driver/
error.rs

1use core::fmt::Debug;
2
3use embedded_hal::digital::{Error as DigitalError, ErrorKind as DigitalErrorKind};
4use embedded_hal::i2c::ErrorType;
5use embedded_hal_bus::i2c::AtomicError;
6use thiserror::Error;
7
8/// An error interacting with an expander.
9#[derive(Error)]
10pub enum Error<S: ErrorType> {
11    /// An error communicating with an expander.
12    Communication(S::Error),
13}
14
15impl<S: ErrorType<Error = impl Debug>> Debug for Error<S> {
16    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
17        match self {
18            Self::Communication(e) => f.debug_tuple("Communication").field(e).finish(),
19        }
20    }
21}
22
23impl<S: ErrorType<Error = E>, E: Debug> DigitalError for Error<S> {
24    fn kind(&self) -> DigitalErrorKind {
25        DigitalErrorKind::Other
26    }
27}
28
29impl<S: ErrorType> From<AtomicError<S::Error>> for Error<S> {
30    fn from(value: AtomicError<S::Error>) -> Self {
31        match value {
32            AtomicError::Busy => unreachable!(),
33            AtomicError::Other(error) => Self::Communication(error),
34        }
35    }
36}
mcp23017_driver/error.rs

mcp23017_driver/
error.rs
