From 4236c204a624754658b7ea700a3748ce4c195b30 Mon Sep 17 00:00:00 2001
From: Erick Ahmed <engineering@erickahmed.com>
Date: Sat, 4 Jul 2026 18:24:18 +0200
Subject: [PATCH] Use stricter semaphore timing

---
 Core/Src/cansend.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Core/Src/cansend.c b/Core/Src/cansend.c
index 5851c86..351c5f3 100644
--- a/Core/Src/cansend.c
+++ b/Core/Src/cansend.c
@@ -50,7 +50,7 @@ void uart_printf(const char *fmt, ...)
   {
     if (osKernelGetState() == osKernelRunning && __get_IPSR() == 0)
     {
-      if (osSemaphoreAcquire(xUARTDMASemaphore, osWaitForever) == osOK)
+      if (osSemaphoreAcquire(xUARTDMASemaphore, 100U) == osOK)
       {
         HAL_UART_Transmit(&huart1, (uint8_t*)buf, len, HAL_MAX_DELAY);
         osSemaphoreRelease(xUARTDMASemaphore);