3 files changed, 8 insertions, 4 deletions

diff --git a/embassy-traits/src/i2c.rs b/embassy-traits/src/i2c.rs
index 0fdf50a12..4e2e8e2f0 100644
--- a/embassy-traits/src/i2c.rs
+++ b/embassy-traits/src/i2c.rs
@@ -21,7 +21,7 @@
 //! For demonstration purposes the address mode parameter has been omitted in this example.
 //!
 //! ```
-//! # use embedded_hal::blocking::i2c::WriteRead;
+//! # use embassy_traits::i2c::I2c;
 //! const ADDR: u8  = 0x15;
 //! # const TEMP_REGISTER: u8 = 0x1;
 //! pub struct TemperatureSensorDriver<I2C> {
@@ -30,7 +30,7 @@
 //!
 //! impl<I2C, E> TemperatureSensorDriver<I2C>
 //! where
-//!     I2C: WriteRead<Error = E>,
+//!     I2C: I2c<Error = E>,
 //! {
 //!     pub fn read_temperature(&mut self) -> Result<u8, E> {
 //!         let mut temp = [0];
@@ -45,7 +45,7 @@
 //! ### Device driver compatible only with 10-bit addresses
 //!
 //! ```
-//! # use embedded_hal::blocking::i2c::{TenBitAddress, WriteRead};
+//! # use embassy_traits::i2c::{TenBitAddress, I2c};
 //! const ADDR: u16  = 0x158;
 //! # const TEMP_REGISTER: u8 = 0x1;
 //! pub struct TemperatureSensorDriver<I2C> {
@@ -54,7 +54,7 @@
 //!
 //! impl<I2C, E> TemperatureSensorDriver<I2C>
 //! where
-//!     I2C: WriteRead<TenBitAddress, Error = E>,
+//!     I2C: I2c<TenBitAddress, Error = E>,
 //! {
 //!     pub fn read_temperature(&mut self) -> Result<u8, E> {
 //!         let mut temp = [0];
diff --git a/embassy-traits/src/spi.rs b/embassy-traits/src/spi.rs
index 14f79b059..6beb442ba 100644
--- a/embassy-traits/src/spi.rs
+++ b/embassy-traits/src/spi.rs
@@ -46,6 +46,7 @@ pub trait Write<Word>: Spi<Word> {
         Self: 'a,
         Word: 'a;
 
+    /// Writes `data` to the peripheral, ignoring all the incoming words.
     fn write<'a>(&'a mut self, data: &'a [Word]) -> Self::WriteFuture<'a>;
 }
 
@@ -55,5 +56,6 @@ pub trait Read<Word>: Write<Word> {
         Self: 'a,
         Word: 'a;
 
+    /// Reads words into `data` from the peripheral.
     fn read<'a>(&'a mut self, data: &'a mut [Word]) -> Self::ReadFuture<'a>;
 }
diff --git a/embassy-traits/src/uart.rs b/embassy-traits/src/uart.rs
index 755aee6d3..4984bc89c 100644
--- a/embassy-traits/src/uart.rs
+++ b/embassy-traits/src/uart.rs
@@ -12,6 +12,7 @@ pub trait Read {
     where
         Self: 'a;
 
+    /// Receive into the buffer until the buffer is full.
     fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> Self::ReadFuture<'a>;
 }
 
@@ -30,5 +31,6 @@ pub trait Write {
     where
         Self: 'a;
 
+    /// Write all bytes in `buf`.
     fn write<'a>(&'a mut self, buf: &'a [u8]) -> Self::WriteFuture<'a>;
 }