stm32/App/usart/usart.h

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#ifndef __USART_H
#define __USART_H
#include "stdio.h"
#include "sys.h"
//! 串口1,2,2数据接收缓冲buffer
extern u8 USART1_RX_BUF[7],USART2_RX_BUF[10],USART3_RX_BUF[75];
//! 串口1,2,3数据接收状态
extern u16 USART1_RX_STA,USART2_RX_STA,USART3_RX_STA;
//********************************************************************//
//! 函数名:uart1_init
//! 功能:串口1初始化接收噪音传感器数据
//! 输入:bound:串口波特率
//! 输出:none
//********************************************************************//
void uart1_init(u32 bound);
//********************************************************************//
//! 函数名:uart2_init
//! 功能:串口2初始化接收pm2.5传感器数据
//! 输入:bound波特率
//! 输出:none
//********************************************************************//
void uart2_init(u32 bound);
//********************************************************************//
//! 函数名:uart3_init
//! 功能:串口3初始化;
//! 输入:none
//! 输出:none
//********************************************************************//
void uart3_init(u32 bound);
#endif