Merge branch 'stm32-neo'

6 files changed, 18 insertions, 4 deletions

diff --git a/embassy-traits/src/flash.rs b/embassy-traits/src/flash.rs
index c9b14a390..5e0a4e39f 100644
--- a/embassy-traits/src/flash.rs
+++ b/embassy-traits/src/flash.rs
@@ -1,5 +1,4 @@
 use core::future::Future;
-use core::pin::Pin;
 
 #[derive(Copy, Clone, Debug, Eq, PartialEq)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
diff --git a/embassy-traits/src/gpio.rs b/embassy-traits/src/gpio.rs
index c4ae206cd..9fdb41f56 100644
--- a/embassy-traits/src/gpio.rs
+++ b/embassy-traits/src/gpio.rs
@@ -1,5 +1,4 @@
 use core::future::Future;
-use core::pin::Pin;
 
 /// Wait for a pin to become high.
 pub trait WaitForHigh {
diff --git a/embassy-traits/src/lib.rs b/embassy-traits/src/lib.rs
index ceef0d2ed..047417870 100644
--- a/embassy-traits/src/lib.rs
+++ b/embassy-traits/src/lib.rs
@@ -13,3 +13,4 @@ pub mod gpio;
 pub mod i2c;
 pub mod spi;
 pub mod uart;
+pub mod rng;
diff --git a/embassy-traits/src/rng.rs b/embassy-traits/src/rng.rs
new file mode 100644
index 000000000..ddc4c20e0
--- /dev/null
+++ b/embassy-traits/src/rng.rs
@@ -0,0 +1,17 @@
+use core::future::Future;
+
+/// Random-number Generator
+pub trait Rng {
+    type Error;
+
+    type RngFuture<'a>: Future<Output = Result<(), Self::Error>> + 'a
+    where
+        Self: 'a;
+
+    /// Completely fill the provided buffer with random bytes.
+    ///
+    /// May result in delays if entropy is exhausted prior to completely
+    /// filling the buffer. Upon completion, the buffer will be completely
+    /// filled or an error will have been reported.
+    fn fill_bytes<'a>(&'a mut self, dest: &'a mut [u8]) -> Self::RngFuture<'a>;
+}
diff --git a/embassy-traits/src/spi.rs b/embassy-traits/src/spi.rs
index 771ebf2f0..227b8bfea 100644
--- a/embassy-traits/src/spi.rs
+++ b/embassy-traits/src/spi.rs
@@ -1,7 +1,6 @@
 //! Async SPI API
 
 use core::future::Future;
-use core::pin::Pin;
 
 /// Full duplex (master mode)
 ///
diff --git a/embassy-traits/src/uart.rs b/embassy-traits/src/uart.rs
index 9e76306b0..755aee6d3 100644
--- a/embassy-traits/src/uart.rs
+++ b/embassy-traits/src/uart.rs
@@ -1,5 +1,4 @@
 use core::future::Future;
-use core::pin::Pin;
 
 #[derive(Copy, Clone, Debug, Eq, PartialEq)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]