key_config.h

本代码实现的是12864图形LCD模块

#ifndef	__KEY_CONFIG_h__
#define	__KEY_CONFIG_h__
#include "REG51.h"
//	write your header here
//Define the MCU Register
/*
#define		P_IOA_Data				(volatile unsigned int *)0x7000
#define		P_IOA_Buffer			(volatile unsigned int *)0x7001
#define		P_IOA_Dir				(volatile unsigned int *)0x7002
#define		P_IOA_Attrib			(volatile unsigned int *)0x7003
#define		P_IOB_Data				(volatile unsigned int *)0x7005
#define		P_IOB_Buffer			(volatile unsigned int *)0x7006
#define		P_IOB_Dir				(volatile unsigned int *)0x7007
#define		P_IOB_Attrib			(volatile unsigned int *)0x7008
	*/
#define		Port_Key_Data			P1//P_IOA_Data
/*
#define		Port_Key_Buffer			P_IOA_Buffer
#define		Port_Key_Dir			P_IOA_Dir
#define		Port_Key_Attrib			P_IOA_Attrib	*/
#define		KEY_MASK				0x0007

#define 	KEY_DOWN_COUNTER_S		20			//定义键盘扫描的消拌时间,具体时长由用户调用
												//服务程序的间隔多长喽~这只是一个数量
#define 	KEY_DOWN_COUNTER_L		2000		//定义长按键的有效时长,时间量与前面含意一样
#define		KEY_DOWN_COUNTER_M		500			//定义长按键时,重复响应键盘的时间间隔

#endif