anjian.c

2010年新增TX-1C程序

/************************************************************************************************
					   “天祥电子”		倾情奉献
					   		www.txmcu.cn
							www.txmcu.com
*****************************************************************************************************
程序功能： 记录TX-1C学习板上S2键按下的次数，并用数码管显示出来。
		
******************************************************************************************************/

#include<reg52.h>

#define uchar unsigned char 
unsigned long num;
uchar j,k;
uchar a0,b0,c0,d0,e0,f0;
sbit dula=P2^6;
sbit wela=P2^7;
sbit s2=P3^4;
unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,
                        0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00};

void delay(uchar i)
{
	for(j=i;j>0;j--)
	for(k=125;k>0;k--);
}

void display(uchar a,uchar b,uchar c,uchar d,uchar e,uchar f)
{
   dula=0;
   P0=table[a];
   dula=1;
   dula=0;
   
   wela=0;
   P0=0xfe;
   wela=1;
   wela=0;
   delay(5);
   
   P0=table[b];
   dula=1;
   dula=0;
   
   P0=0xfd;
   wela=1;
   wela=0;
   delay(5);

   P0=table[c];
   dula=1;
   dula=0;
   
   P0=0xfb;
   wela=1;
   wela=0;
   delay(5);
   
   P0=table[d];
   dula=1;
   dula=0;
   
   P0=0xf7;
   wela=1;
   wela=0;
   delay(5);
   
   P0=table[e];
   dula=1;
   dula=0;
   
   P0=0xef;
   wela=1;
   wela=0;
   delay(5);
   
   P0=table[f];
   dula=1;
   dula=0;
   
   P0=0xdf;
   wela=1;
   wela=0;
   delay(5);
}

void keyscan()
{
	if(s2==0)
	{
		while(s2==0);
		num++;
	}
}

void main()
{	while(1)
	{
	keyscan();
	if(num<10)
	{
		a0=num;b0=16;c0=16;d0=16;e0=16;f0=16;
	}
	else
	{
		if(num<100)
		{a0=num/10;b0=num%10;c0=16;d0=16;e0=16;f0=16;}
		else
		{
			if(num<1000)
			{a0=num/100;b0=num%100/10;c0=num%10;d0=16;e0=16;f0=16;}
			else
			{
				if(num<10000)
				{a0=num/1000;b0=num%1000/100;c0=num%100/10;d0=num%10;e0=16;f0=16;}
				else
				{
					if(num<100000)
					{a0=num/10000;b0=num%10000/1000;c0=num%1000/100;d0=num%100/10;e0=num%10;f0=16;}
					else
					{
						if(num<1000000)
						{a0=num/100000;b0=num%100000/10000;c0=num%10000/1000;d0=num%1000/100;e0=num%100/10;f0=num%10;}
					}
				}
			}
		}
	}
	display(a0,b0,c0,d0,e0,f0);
	}
}