#ifndef COMMON_H
#define COMMON_H

#include <reg52.h>
#include <stdio.h>

typedef unsigned char uchar;
typedef unsigned short ushort;

sbit DS1302_CLK = P0^7;
sbit DS1302_IO = P2^6;
sbit DS1302_RST = P2^7;
sbit IIC_SCL = P0^6;
sbit IIC_SDA = P0^5;
sbit ADS1100_SDA = P3^6;
sbit ADS1100_SCL = P3^7;
sbit SEDRST 	= P2^0;
sbit SEDRD 		= P2^1;
sbit SEDWR 		= P2^2;
sbit SEDCS 		= P2^3;
sbit SEDA0 		= P2^4;
sbit SEDDISP 	= P2^5;
sbit BUZZER 	= P3^2;

#define KEY_LEFT 	3
#define KEY_RIGHT 	2
#define KEY_UP 		1
#define KEY_DOWN 	4
#define KEY_ENTER 	5

#define KEY_1 		3
#define KEY_2 		2
#define KEY_3 		1
#define KEY_4 		4
#define KEY_5 		5
#define KEY_NONE 	0x00

#endif