From 4ec239dd5d3838b58873fd61986fc3391eb96a3d Mon Sep 17 00:00:00 2001
From: zhyinch <zhyinch@gmail.com>
Date: 星期四, 03 三月 2022 10:51:40 +0800
Subject: [PATCH] V1.48 支持MODBUS读写参数
---
源码/核心板/Src/OnChipDevices/Usart.h | 54 ++++++++++++++++++++++++++++++++++++++++++++++++------
1 files changed, 48 insertions(+), 6 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 13d3a56..9e501e6 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"
@@ -3,16 +3,58 @@
#define __USART_H__
#include "stm32f10x.h"
+//#define BAUDRATE_19200
-#define USART_TX_pin GPIO_Pin_9
-#define USART_RX_pin GPIO_Pin_10
-#define USART_GPIO GPIOA
-#define EXT_USART USART1
+#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 BAUD_RATE 115200
+//#define UART_GPIO_REMAP_ENABLE
+#ifdef UART_GPIO_REMAP_ENABLE
+ #define UART_GPIO_REMAP GPIO_Remap_USART1
+ #define EU_RCC_GPIO RCC_APB2Periph_GPIOB
+ #define EU_TX_PIN GPIO_Pin_6
+ #define EU_RX_PIN GPIO_Pin_7
+ #define EU_RX_GPIO GPIOB
+ #define EU_TX_GPIO GPIOB
+#else
+ #define EU_RCC_GPIO RCC_APB2Periph_GPIOA
+ #define EU_TX_PIN GPIO_Pin_9
+ #define EU_RX_PIN GPIO_Pin_10
+ #define EU_RX_GPIO GPIOA
+ #define EU_TX_GPIO GPIOA
+#endif
+#ifdef BAUDRATE_19200
+#define EXUART_BAUD_RADE 19200
+#else
+#define EXUART_BAUD_RADE 115200
+#endif
-void Usart_Init(void);
+#define EUART_RX_DMA_CH DMA1_Channel5
+#define EUART_TX_DMA_CH DMA1_Channel4
+
+#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
+
+#define EXT_UART USART1
+#define EXT_UART_RCC RCC_APB2Periph_USART1
+
+typedef struct _EUART_Frame { //数据发送帧队列结构体
+ int32_t len; //帧长度
+ uint8_t buf[EUART_TX_FRMBUF_SIZE]; //帧数据
+} EUART_Frame;
+
+void Uart1_Init(void);
+
+void UART_CheckReceive(void);
+void UART_CheckSend(void);
+void UART_PushFrame(uint8_t* pdata, int32_t data_len);
+void UART_PopFrame(void);
+extern void (*Usart1ParseDataCallback)(uint8_t);
+extern u8 cmd_mode;
#endif
--
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