embedded_sensors/bh1750/
result.rs

1use core::fmt;
2
3pub type Result<T, I2cError> = core::result::Result<T, Error<I2cError>>;
4
5#[derive(Debug)]
6pub enum Error<I2cError> {
7    InvalidDevice(u8),
8    InvalidMeasurementTime(u8),
9    I2cError(I2cError),
10}
11
12impl<I2cError> fmt::Display for Error<I2cError>
13where
14    I2cError: fmt::Debug,
15{
16    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
17        use Error::*;
18
19        match self {
20            InvalidDevice(v) => write!(f, "Invalid device with id {}", v),
21            InvalidMeasurementTime(v) => write!(
22                f,
23                "Invalid measurement time: {}ms. Allowed range: [31-254]ms.",
24                v
25            ),
26            I2cError(e) => fmt::Debug::fmt(&e, f),
27        }
28    }
29}