com.h

led显示屏测试程序

#ifndef _com_h_
#define _com_h_																					

#include <REGX51.H>


#define uchar unsigned char
#define uint unsigned int

#define write_i2c 0xa0	 //24C01
#define read_i2c 0xa1 

sbit scl=P3^6;		     //i2c总线
sbit sda=P3^7;

sbit DI=   P0^6;
sbit SCLK= P0^5;
sbit CLK=  P0^4;
sbit E138= P0^3;
sbit C138= P0^2;
sbit B138= P0^1;
sbit A138= P0^0;
//sbit CCC=PSW^7;

#endif