【MCS-51】【C51】8路LED的二进制加法器

        8路LED的二进制加法器

        本文对应的A51代码，请参考http://blog.csdn.net/fly928sky/article/details/7666037

代码如下：

regs.h

#ifndef _REGS_H
#define _REGS_H

#include 
#include 

#define U8	unsigned char 		
#define U16	unsigned int 		
#define U32	unsigned long int

U8 code tableLightWater[]={0x7F,0xBF,0xDF,0xEF,0xF7,0xFB,0xFD,0xFE};

U8 code ZtableaddL[]={0xFF,0x7F,0xBF,0x3F,0xDF,0x5F,0x9F,0x1F,0xEF,0x6F,0xAF,0x2F,0xCF,0x4F,0x8F,0x0F};	//正着看对应开发板上右边4个LED灯的0~15
U8 code ZtableaddH[]={0xFF,0xF7,0xFB,0xF3,0xFD,0xF5,0xF9,0xF1,0xFE,0xF6,0xFA,0xF2,0xFC,0xF4,0xF8,0xF0};	//正着看对应开发板上左边4个LED灯的0~15
 
U8 code DtableaddL[]={0xFF,0xFE,0xFD,0xFC,0xFB,0xFA,0xF9,0xF8,0xF7,0xF6,0xF5,0xF4,0xF3,0xF2,0xF1,0xF0};	//倒着看对应开发板上右边4个LED灯的0~15
U8 code DtableaddH[]={0xFF,0xEF,0xDF,0xCF,0xBF,0xAF,0x9F,0x8F,0x7F,0x6F,0x5F,0x4F,0x3F,0x2F,0x1F,0x0F};	//倒着看对应开发板上左边4个LED灯的0~15

#endif

说明：

1.tableLightWater[ ]属于流水灯需要用到的table，请在本程序中忽略存在。

2.ZtableaddL[ ]和DtableaddL[ ]对应真实开发板上的起始位置不同。ZtableaddL[ ]的对应H位为DS9，对应L位为DS2；DtableaddL[ ]则正好相反。

电路图请参考http://blog.csdn.net/fly928sky/article/details/7645591

led_add.c

#include "regs.h"

sbit Wei   = P1^1;
sbit Duan  = P1^0;
sbit Line  = P1^3;
sbit LedEn = P1^2;

void init();
void delayMS(U16);
void displayAdd1();
void displayAdd2();
void main()
{
	init();
	//displayAdd1();
	displayAdd2();	
}

void init()			//初始化函数
{
	Wei=1;			//关闭数码管
	P0=0xFF;
	Wei=0;
	
	Line=1;			//关闭点阵
	P0=0x00;
	Line=0;	
}

void delayMS(U16 z)	//延时函数
{
	U16 x,y;
	for(x=z;x>0;x--)
		for(y=124;y>0;y--);
}

void displayAdd1()
{
	int flagH,flagL;	//标志位
	int num,numH,numL;	//二进制对应数值
	int i;
	flagH=0;
	num=0;
	while(1)
	{		
		numH=num/16;
		numL=num%16;
		if(numH==16)	//加满判断，全部初始化
		{
			num=0;
			flagH=0;
		}
		if(!flagH) 		//高4位为零执行
		{
			for(i=0;i<16;i++)
			{
				LedEn=1;
				P0=DtableaddL[i];
				LedEn=0;
				delayMS(500);
				num++;
				if(num==16)
				{
					flagL=0;
					flagH=1;
				}
			}
		}
		else
		{
			if(!flagL)
			{
				LedEn=1;
				P0=DtableaddH[numH];
				LedEn=0;
				num++;
				delayMS(500);
				flagL=1;	
			}
			else
			{
				for(i=1;i<16;i++)
				{
					LedEn=1;
					P0=DtableaddH[numH] & DtableaddL[i];
					LedEn=0;
					delayMS(500);
					num++;
					if(num%16==0)
					{
						flagL=0; 
					}	
				}
			}	
		}
	}		
}
void displayAdd2()
{
	int num,numH,numL;	//二进制对应数值
	num=0;
	while(1)
	{		
		numH=num/16;
		numL=num%16;
		if(numH==16)	//加满判断，全部初始化
		{
			num=numH=numL=0;
		}
		for(;numL<16;numL++)
		{
			LedEn=1;
			P0=ZtableaddH[numH] & ZtableaddL[numL];
			LedEn=0;
			delayMS(500);
			num++;
		}
	}
}