24 lines
661 B
C
24 lines
661 B
C
#ifndef _usart2_H
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#define _usart2_H
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#include "general_type.h"
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#include "stm32l1xx_usart.h"
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#define USART2_MAX_RECV_LEN 300 //最大接收缓存字节数
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#define USART2_MAX_SEND_LEN 300 //最大发送缓存字节数
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#define USART2_RX_EN 1 //0,不接收;1,接收.
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extern u8 USART2_RX_BUF[USART2_MAX_RECV_LEN]; //接收缓冲,最大USART2_MAX_RECV_LEN字节
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extern u8 USART2_TX_BUF[USART2_MAX_SEND_LEN]; //发送缓冲,最大USART2_MAX_SEND_LEN字节
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extern vu16 USART2_RX_STA; //接收数据状态
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void USART2_Configuration(u32 baund);
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void u2_printf(char* fmt,...);
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void TIM2_Set(unsigned char sta);
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void timer2_init(void);
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void USART2_ReceiveBuff_Clear(void);
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#endif
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