c554.h

4510下的串口扩展

#ifndef _16C554_H
#define _16C554_H

typedef unsigned char BYTE;
typedef unsigned int  WORD;
typedef unsigned long DWORD;
#define BAUDBASE    0x60            /*  7.3728M 9600bps  */
#define IIR   		(*(volatile unsigned char *)0x0800000)
//#define IIRR   		(*(volatile unsigned char *)0x0800001)
#define I   		(*(volatile unsigned char *)0x0800002)
void Init_St554(BYTE channel);
void delay(WORD num);
BYTE RXdata(BYTE p_channel);
#endif