From 5b22090187a41518cd4d72253f2fef4c61a0ce9b Mon Sep 17 00:00:00 2001
From: WXK <287788329@qq.com>
Date: 星期三, 27 八月 2025 14:04:12 +0800
Subject: [PATCH] 1.8，修改蜂鸣器bug

---
 keil/include/drivers/Usart.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/keil/include/drivers/Usart.h b/keil/include/drivers/Usart.h
index f56ad68..3f48410 100644
--- a/keil/include/drivers/Usart.h
+++ b/keil/include/drivers/Usart.h
@@ -38,7 +38,7 @@
 
 #define EUART_TX_FRM_SIZE		2				//发送队列中的最大帧数
 #define EUART_TX_FRMBUF_SIZE	100		//发送队列每帧缓存大小
-#define EUART_RX_BUF_SIZE		2000				//接收缓存大小
+#define EUART_RX_BUF_SIZE		512				//接收缓存大小
 
 #define EXT_UART				USART1
 #define EXT_UART_RCC			RCC_APB2Periph_USART1

--
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