first commit

Drivers/BSP/RS485/rs485.h

@@ -0,0 +1,29 @@
+#ifndef __RS485_H__
+#define __RS485_H__
+
+
+
+#include "./SYSTEM/sys/sys.h"
+#include "./SYSTEM/delay/delay.h"
+
+#define UART_RX_LEN     (3208)
+#define UART_TX_LEN     (8)
+
+typedef struct
+{ 
+  volatile FlagStatus NewMessageFlag;     //一帧数据接收完整
+  volatile uint8_t DR[UART_RX_LEN];       //接收缓存
+  volatile uint8_t TDR[UART_TX_LEN];      //发送缓存
+} RS485_REGISTER_TYPE;
+
+extern RS485_REGISTER_TYPE RS485REG;
+
+
+
+
+void USART2_Init(void);
+void RS485_DMA_init(void);
+void RS485_SendBuff(uint8_t *ptr, uint32_t len);
+
+
+#endif