From 534c53c901345f8af517b8991a4bcd99d290c11c Mon Sep 17 00:00:00 2001
From: Andres Vahter <andres@vahter.me>
Date: Fri, 19 Jan 2024 19:58:00 +0200
Subject: [PATCH] stm32 uart: remove unwrap

unwraps take more space because of panics
---
 embassy-stm32/src/usart/buffered.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/embassy-stm32/src/usart/buffered.rs b/embassy-stm32/src/usart/buffered.rs
index 52740c13e..abc766bc7 100644
--- a/embassy-stm32/src/usart/buffered.rs
+++ b/embassy-stm32/src/usart/buffered.rs
@@ -47,8 +47,10 @@ impl<T: BasicInstance> interrupt::typelevel::Handler<T::Interrupt> for Interrupt
             let mut rx_writer = state.rx_buf.writer();
             let buf = rx_writer.push_slice();
             if !buf.is_empty() {
-                buf[0] = dr.unwrap();
-                rx_writer.push_done(1);
+                if let Some(byte) = dr {
+                    buf[0] = byte;
+                    rx_writer.push_done(1);
+                }
             } else {
                 // FIXME: Should we disable any further RX interrupts when the buffer becomes full.
             }