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A-Driver/BSP_USART.h

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+#ifndef BSP_USART_H
+#define BSP_USART_H
+#include <stdint.h> 
+#include <stdio.h>
+#include <string.h>
+
+//板子上的usart2，不是外设usart2
+void UART2_TxDma_Init(void);
+void UART2_TxDma_Enable(uint8_t *data, uint16_t len);
+void UART2_SendByte		(uint8_t Byte);
+void UART2_SendArray	(uint8_t *Array,uint16_t Length);
+void UART2_SendString	(char *String);
+void UART2_SendNumber	(uint32_t Number,uint8_t Length);
+void UART2_SendNumber_Sign(int32_t Number, uint8_t Length);
+void UART2_SendFloat_Sign(float value, uint8_t decimal_places);
+//void UART2_Printf(char *format,...);
+uint32_t USART_Pow(uint32_t X, uint32_t Y);
+//uint8_t UART2_GetRxFlag(void);
+
+
+void DBUS_DMA_Init(uint8_t *rx1_buf, uint8_t *rx2_buf, uint16_t dma_buf_num);
+
+
+#endif