usart.h

DS18B20源代码

/***************************************************
usart.h 2006.11.19 Panda   The header file of usart.c
*******************************************************/


#ifndef _USART_H
#define _USART_H 1

#define BIT(x) (1<<(x))
#define NOP()	asm("nop")
#define WDR() 	asm("wdr")

#define Rx_Buffer_Size 32

#define Tx_status 0  //the sending is ready, you can push the data into the buffer
#define Rx_status 0

void puts(unsigned char data);
void usart_init(void);
//unsigned char Push_Data_into_Tx_Buf(unsigned char Send_char);
void Start_trans(void);
void printf(unsigned char Send_String[]);
void handle(void);
void end_trans(void);

#endif