From 72e8c19abfa8ff7429dba7268523743775661111 Mon Sep 17 00:00:00 2001
From: Erick Ahmed <engineering@erickahmed.com>
Date: Wed, 24 Jun 2026 13:08:33 +0200
Subject: [PATCH] Return if UART not initialized

---
 Core/Src/main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Core/Src/main.c b/Core/Src/main.c
index 1d2cf4f..69c046c 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -91,6 +91,8 @@ int _write(int file, char *ptr, int len)
 
 void uart_debug_print(const char *fmt, ...)
 {
+  if (huart1.gState == HAL_UART_STATE_RESET) return;
+
   char buf[128];
   va_list args;