Cleanup

embassy-embedded-hal/src/shared_bus/mod.rs

@@ -1,4 +1,8 @@
 //! Shared bus implementations
+use core::fmt::Debug;
+
+use embedded_hal_1::{i2c, spi};
+
 #[cfg(feature = "nightly")]
 pub mod asynch;
 
@@ -9,8 +13,32 @@ pub enum I2cBusDeviceError<BUS> {
     I2c(BUS),
 }
 
+impl<BUS> i2c::Error for I2cBusDeviceError<BUS>
+where
+    BUS: i2c::Error + Debug,
+{
+    fn kind(&self) -> i2c::ErrorKind {
+        match self {
+            Self::I2c(e) => e.kind(),
+        }
+    }
+}
+
 #[derive(Copy, Clone, Eq, PartialEq, Debug)]
 pub enum SpiBusDeviceError<BUS, CS> {
     Spi(BUS),
     Cs(CS),
 }
+
+impl<BUS, CS> spi::Error for SpiBusDeviceError<BUS, CS>
+where
+    BUS: spi::Error + Debug,
+    CS: Debug,
+{
+    fn kind(&self) -> spi::ErrorKind {
+        match self {
+            Self::Spi(e) => e.kind(),
+            Self::Cs(_) => spi::ErrorKind::Other,
+        }
+    }
+}