From f6d92b76111d8619c92b13aa28e765abe356465c Mon Sep 17 00:00:00 2001
From: Badr Bouslikhin <bouslikhin.badr@gmail.com>
Date: Fri, 30 Aug 2024 18:52:23 +0200
Subject: [PATCH] fix(stm32): disable transmitter during half-duplex read

---
 embassy-stm32/src/usart/mod.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/embassy-stm32/src/usart/mod.rs b/embassy-stm32/src/usart/mod.rs
index 89d92dda2..af34b548e 100644
--- a/embassy-stm32/src/usart/mod.rs
+++ b/embassy-stm32/src/usart/mod.rs
@@ -526,9 +526,12 @@ fn blocking_flush(info: &Info) -> Result<(), Error> {
     let r = info.regs;
     while !sr(r).read().tc() {}
 
-    // Enable Receiver after transmission complete for Half-Duplex mode
+    // Disable Transmitter and enable receiver after transmission complete for Half-Duplex mode
     if r.cr3().read().hdsel() {
-        r.cr1().modify(|reg| reg.set_re(true));
+        r.cr1().modify(|reg| {
+            reg.set_te(false);
+            reg.set_re(true);
+        });
     }
 
     Ok(())