From aa453caa79a0f612698e0bcb3bfff635a172eb5f Mon Sep 17 00:00:00 2001
From: Kenneth Knudsen <ksk@blackbird.online>
Date: Mon, 4 Nov 2024 15:08:57 +0100
Subject: [PATCH] add split_ref for stm32 uart

---
 embassy-stm32/src/usart/buffered.rs | 7 +++++++
 embassy-stm32/src/usart/mod.rs      | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/embassy-stm32/src/usart/buffered.rs b/embassy-stm32/src/usart/buffered.rs
index 7ba209063..d7ac33d07 100644
--- a/embassy-stm32/src/usart/buffered.rs
+++ b/embassy-stm32/src/usart/buffered.rs
@@ -396,6 +396,13 @@ impl<'d> BufferedUart<'d> {
         (self.tx, self.rx)
     }
 
+    /// Split the Uart into a transmitter and receiver by mutable reference,
+    /// which is particularly useful when having two tasks correlating to
+    /// transmitting and receiving.
+    pub fn split_ref(&mut self) -> (&mut BufferedUartTx<'d>, &mut BufferedUartRx<'d>) {
+        (&mut self.tx, &mut self.rx)
+    }
+
     /// Reconfigure the driver
     pub fn set_config(&mut self, config: &Config) -> Result<(), ConfigError> {
         reconfigure(self.rx.info, self.rx.kernel_clock, config)?;
diff --git a/embassy-stm32/src/usart/mod.rs b/embassy-stm32/src/usart/mod.rs
index 333e01e36..8152fc560 100644
--- a/embassy-stm32/src/usart/mod.rs
+++ b/embassy-stm32/src/usart/mod.rs
@@ -1440,6 +1440,13 @@ impl<'d, M: Mode> Uart<'d, M> {
         (self.tx, self.rx)
     }
 
+    /// Split the Uart into a transmitter and receiver by mutable reference,
+    /// which is particularly useful when having two tasks correlating to
+    /// transmitting and receiving.
+    pub fn split_ref(&mut self) -> (&mut UartTx<'d, M>, &mut UartRx<'d, M>) {
+        (&mut self.tx, &mut self.rx)
+    }
+
     /// Send break character
     pub fn send_break(&self) {
         self.tx.send_break();