embassy_embedded_hal/shared_bus/
mod.rs

1//! Shared bus implementations
2use core::fmt::Debug;
3
4use embedded_hal_1::{i2c, spi};
5
6pub mod asynch;
7pub mod blocking;
8
9/// Error returned by I2C device implementations in this crate.
10#[derive(Copy, Clone, Eq, PartialEq, Debug)]
11#[cfg_attr(feature = "defmt", derive(defmt::Format))]
12pub enum I2cDeviceError<BUS> {
13    /// An operation on the inner I2C bus failed.
14    I2c(BUS),
15    /// Configuration of the inner I2C bus failed.
16    Config,
17}
18
19impl<BUS> i2c::Error for I2cDeviceError<BUS>
20where
21    BUS: i2c::Error + Debug,
22{
23    fn kind(&self) -> i2c::ErrorKind {
24        match self {
25            Self::I2c(e) => e.kind(),
26            Self::Config => i2c::ErrorKind::Other,
27        }
28    }
29}
30
31/// Error returned by SPI device implementations in this crate.
32#[derive(Copy, Clone, Eq, PartialEq, Debug)]
33#[cfg_attr(feature = "defmt", derive(defmt::Format))]
34#[non_exhaustive]
35pub enum SpiDeviceError<BUS, CS> {
36    /// An operation on the inner SPI bus failed.
37    Spi(BUS),
38    /// Setting the value of the Chip Select (CS) pin failed.
39    Cs(CS),
40    /// Delay operations are not supported when the `time` Cargo feature is not enabled.
41    DelayNotSupported,
42    /// The SPI bus could not be configured.
43    Config,
44}
45
46impl<BUS, CS> spi::Error for SpiDeviceError<BUS, CS>
47where
48    BUS: spi::Error + Debug,
49    CS: Debug,
50{
51    fn kind(&self) -> spi::ErrorKind {
52        match self {
53            Self::Spi(e) => e.kind(),
54            Self::Cs(_) => spi::ErrorKind::Other,
55            Self::DelayNotSupported => spi::ErrorKind::Other,
56            Self::Config => spi::ErrorKind::Other,
57        }
58    }
59}
embassy_embedded_hal/shared_bus/mod.rs

embassy_embedded_hal/shared_bus/
mod.rs
