led.c

芯片at89s52

/******************************************************************************
 * File   Name: led.c														  *
 * Create Time: 2007/07/14													  *
 * Description:																  *
 * Copyright  :																  *
 * History    :																  *
 * |---Data---|---Author---|--Version--|--------------Description-------------|
 *****************************************************************************/
 
/******************************
 *      Head File			  *
 *****************************/
 #include"led.h"
/******************************
 *     Global Variable		  *
 *****************************/
 uchar disbit = 0;//用以计数片选位
 uchar DisMem[8]; //显示内容缓冲区 
 

 
/******************************
 *	   Const Segment		  *
 *****************************/
 						       // 0	   1	2	3	  4	   5	6	 7	  8	   9
 code const uchar dis_data[16] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,
							//a    b    c    d    e    f
							0x77,0x7c,0x39,0x5e,0x79,0x71};
						     	 //低位---------------------------->高位