From 7c5abdbc2bcc04ab377661174cb3b002e26c83f6 Mon Sep 17 00:00:00 2001
From: chen <15335560115@163.com>
Date: 星期四, 31 七月 2025 16:41:35 +0800
Subject: [PATCH] 变为2HZ测距

---
 keil/include/drivers/Usart1.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/keil/include/drivers/Usart1.h b/keil/include/drivers/Usart1.h
index 5ad186d..d1aac11 100644
--- a/keil/include/drivers/Usart1.h
+++ b/keil/include/drivers/Usart1.h
@@ -11,7 +11,7 @@
   
 #define EUART1_TX_FRM_SIZE		2				//发送队列中的最大帧数
 #define EUART1_TX_FRMBUF_SIZE	100				//发送队列每帧缓存大小
-#define EUART1_RX_BUF_SIZE		200				//接收缓存大小
+#define EUART1_RX_BUF_SIZE		1024				//接收缓存大小
 
 #define EXT_UART2				  USART2
 #define EXT_UART2_RCC			RCC_APB2Periph_USART2
@@ -33,6 +33,7 @@
 #define USART2_TX_BUF_SIZE	50				//发送缓存大小
 #define USART2_RX_BUF_SIZE	100				//接收缓存大小
 extern uint8_t m_EUART1_DMA_RXBuf[EUART1_RX_BUF_SIZE];	
+
 //extern uint8_t USART2_DMA_RXBuf[USART_RX_BUF_SIZE];			//USART2 DMA数据接收缓存
 
 void Uart2_SendString(  uint8_t *str);

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