/******************** (C) COPYRIGHT 2020 GEEKIMU ******************************* * File Name : usart.h * Current Version : V2.0 & ST 3.5.0 * Author : zhanli 719901725@qq.com & JustFeng. * Date of Issued : 2019.5.26 zhanli : Create * Comments : STM32 串口驱动 ********************************************************************************/ #ifndef _USART_H_ #define _USART_H_ #include "stdio.h" #include "sys.h" #define USART_REC_LEN 200 //定义最大接收字节数 200 #define EN_USART1_RX 1 //使能(1)/禁止(0)串口1接收 extern u8 USART_RX_BUF[USART_REC_LEN]; //接收缓冲,最大USART_REC_LEN个字节.末字节为换行符 extern u16 USART_RX_STA; //接收状态标记 /**---------------------------------------------------------------------- * Function : uart_init * Description : STM32 串口1初始化函数 * Input : bound : 波特率 * Author : zhanli&719901725@qq.com * Date : 2019/5/26 zhanli *---------------------------------------------------------------------**/ void uart_init(u32 bound); #endif