From 068f2945d352bec0531426f9c09b506a26f25a6b Mon Sep 17 00:00:00 2001
From: nitiantuhao <2062405236@qq.com>
Date: Sat, 14 Mar 2026 20:48:33 +0800
Subject: [PATCH] 1.0

---
 Core/Src/f4_can_app.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Core/Src/f4_can_app.c b/Core/Src/f4_can_app.c
index fb66300..9f670da 100644
--- a/Core/Src/f4_can_app.c
+++ b/Core/Src/f4_can_app.c
@@ -426,6 +426,7 @@ static void CAN_ProcessControlFrame(const uint8_t *rx_data, uint8_t dlc)
     }
 
     CAN_AtomicIncU32(&s_valid_cmd_total);
+    HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_2);
 }
 
 /* =====================================================================