From 55e36bbbabc1afed172689543d507b6a25d3932c Mon Sep 17 00:00:00 2001
From: zhyinch <zhyinch@gmail.com>
Date: 星期六, 07 八月 2021 09:25:22 +0800
Subject: [PATCH] 1

---
 源码/核心板/Src/OnChipDevices/Usart.h |   14 +++++++++++---
 1 files changed, 11 insertions(+), 3 deletions(-)

diff --git "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.h" "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.h"
index 0cb0059..7201f11 100644
--- "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.h"
+++ "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Usart.h"
@@ -4,6 +4,11 @@
 
 #include "stm32f10x.h"
 
+#define EU_485_PIN				GPIO_Pin_7
+#define EU_485_GPIO				GPIOB
+#define OUT485_ENABLE 		GPIO_WriteBit(EU_485_GPIO, EU_485_PIN, Bit_SET);
+#define OUT485_DISABLE 		GPIO_WriteBit(EU_485_GPIO, EU_485_PIN, Bit_RESET);
+
 //#define UART_GPIO_REMAP_ENABLE
 #ifdef UART_GPIO_REMAP_ENABLE
 	#define UART_GPIO_REMAP			GPIO_Remap_USART1
@@ -25,7 +30,9 @@
 #define EUART_RX_DMA_CH	 		DMA1_Channel5
 #define EUART_TX_DMA_CH			DMA1_Channel4
 
-#define EUART_TX_FRM_SIZE		4				//发送队列中的最大帧数
+
+
+#define EUART_TX_FRM_SIZE		14				//发送队列中的最大帧数
 #define EUART_TX_FRMBUF_SIZE	200				//发送队列每帧缓存大小
 #define EUART_RX_BUF_SIZE		200				//接收缓存大小
 
@@ -44,7 +51,8 @@
 void UART_PushFrame(uint8_t* pdata, int32_t data_len);
 void UART_PopFrame(void);
 extern void (*Usart1ParseDataCallback)(uint8_t);
-
-
+//////////////////////////////////////////////////////////
+#define EXT_UART2				USART2
+#define UART2_RX_DMA_CH	 		DMA1_Channel6
 #endif
 

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