From 89fbb02979c0abfac99b32e3676c140055f31c1e Mon Sep 17 00:00:00 2001
From: Philipp Scheff <philippscheff@me.com>
Date: Thu, 22 Jun 2023 17:49:33 +0200
Subject: [PATCH] add as_mut

---
 embassy-stm32/src/can/bxcan.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/embassy-stm32/src/can/bxcan.rs b/embassy-stm32/src/can/bxcan.rs
index 7b664a11..4afbb568 100644
--- a/embassy-stm32/src/can/bxcan.rs
+++ b/embassy-stm32/src/can/bxcan.rs
@@ -2,7 +2,9 @@ use core::future::poll_fn;
 use core::marker::PhantomData;
 use core::ops::{Deref, DerefMut};
 use core::task::Poll;
+use core::cell::RefMut;
 use core::cell::RefCell;
+
 pub use bxcan;
 use bxcan::{Data, ExtendedId, Frame, Id, StandardId};
 use embassy_hal_common::{into_ref, PeripheralRef};
@@ -346,6 +348,10 @@ impl<'d, T: Instance> Can<'d, T> {
     pub fn split<'c>(&'c self) -> (CanTx<'c, 'd, T>, CanRx<'c, 'd, T>) {
         (CanTx { can: &self.can }, CanRx { can: &self.can })
     }
+
+    pub fn as_mut(&self) -> RefMut<'_, bxcan::Can<BxcanInstance<'d, T>>> {
+        self.can.borrow_mut()
+    }
 }
 
 pub struct CanTx<'c, 'd, T: Instance> {