#ifndef __BSP_USART_H__ #define __BSP_USART_H__ #include "stdint.h" typedef enum { usart0_enum = 0, usart1_enum = 1, usart2_enum = 2, usart3_enum = 3, usart4_enum = 4, usart5_enum = 5, usart_cnt_enum = 6 }usart_type_Enum; void bsp_usart_1_init(uint32_t baud); void bsp_usart_send_data(usart_type_Enum e_usart_type, uint16_t us_tx_data); uint16_t bsp_usart_receive_data(usart_type_Enum e_usart_type); #endif