#ifndef _UART_H_
#define _UART_H_

#define NEWLINE {transmitByte(0x0d); transmitByte(0x0a);} /*換行，相當于"\r\n"*/
#define CLS {transmitByte(0x0c);transmitByte(0x0c);} /*0x0c為windows超級終端清屏命令，發(fā)送兩次以確保清屏*/

/*從串口接收一個字節(jié)數(shù)據(jù)*/
unsigned char receiveByte(void);

/*從串口發(fā)送一個字節(jié)數(shù)據(jù)*/
void transmitByte(unsigned char);

/*從串口發(fā)送字符串*/
void transmitString(unsigned char*);

/*以16進制格式發(fā)送一個字節(jié)數(shù)據(jù)*/
void transmitHex(unsigned char);

/*在超級終端顯示數(shù)據(jù)*/
void displayData(unsigned char *buff, unsigned int len);

#endif