io.h

来自「单工无线呼叫系统的全部源代码 AD9858」· C头文件 代码 · 共 19 行

#ifndef	__IO_h__
#define	__IO_h__

#include "Global.h"

//Bus Interface & Opeartion
#define BUS_DATA	0xFF00
#define	BUS_ALE		BIT7
#define	BUS_READ	BIT6
#define BUS_WRITE	BIT5
#define INTER_MODE	BIT4
#define SetBITMode	SET_PORTA(INTER_MODE)
#define SetBUSMode	CLR_PORTA(INTER_MODE)

unsigned char ReadBus(unsigned char addr);
void WriteBus(unsigned char dat,unsigned addr);

#endif