From 83cf83d37790889e5bb3ebb365e8e536814a6256 Mon Sep 17 00:00:00 2001
From: Wenxue <wenxue.guo@avnet.com>
Date: Tue, 02 Sep 2025 09:42:34 +0800
Subject: [PATCH] 定时器和蜂鸣器程序

---
 Core/Inc/main.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/Core/Inc/main.h b/Core/Inc/main.h
index b91e590..f26f935 100644
--- a/Core/Inc/main.h
+++ b/Core/Inc/main.h
@@ -70,6 +70,8 @@
 #define Key3_Pin GPIO_PIN_14
 #define Key3_GPIO_Port GPIOB
 #define Key3_EXTI_IRQn EXTI15_10_IRQn
+#define Buzzer_Pin GPIO_PIN_11
+#define Buzzer_GPIO_Port GPIOA
 
 /* USER CODE BEGIN Private defines */
 

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