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