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Âé·³¿´Ò»Ï³ÌÐòÄÄÀï´íÁË£¬¸Ð¼¤²»¾¡~~ ¸Ð¾õÎÊÌâÓ¦¸Ã³öÔÚÁ½¸ödisplayÉÏ£¬Öص㿴ÏÔʾÄÇÀï°É #include <reg51.h> #include <math.h> #include <stdio.h> #define uchar unsigned char #define uint unsigned int uchar code light[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f}; uchar code table[]={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef}; //´øÐ¡ÊýµãÊý×Ö±àÂë sbit OE=P2^7; sbit EOC=P2^6; sbit ST=P2^5; sbit CLK=P2^4; float v; int x,y; void delayms(uint xms) //ÑÓ³Ùº¯Êý { uint i,j; for(i=xms;i>0;i--) for(j=110;j>0;j--); } void Timer0_INT() interrupt 1 //T0¶¨Ê±Æ÷ÖжϸøADC0808ÌṩʱÖÓÐźŠ{ CLK=!CLK; //ADC0808ʱÖÓÐźŠ} void display1(uchar d) //ÏÔʾº¯Êý (0· ×ó) { v=5.00*d/256; x=floor(v); y=floor((v-x)*10); P2=0xfe; //X1£¬1 P0=table[x]; delayms(1); P2=0xfd; //Y1£¬2 P0=light[y]; delayms(1); } void display2(uchar d) //ÏÔʾÉ趨ֵ £¨1· ÓÒ£© { v=5.00*d/256; x=floor(v); y= floor((v-x)*10); P2=0xfb; //X2£¬3 P0=table[x]; delayms(1); P2=0xf7; //Y2£¬4 P0=light[y]; delayms(1); } void main() // Ö÷³ÌÐò { TMOD=0x02; TH0=0x14; TL0=0x00; IE=0x82; TR0=1; while(1) { P3=0x00; //ÏÔʾµÚ0· ST=0; ST=1; ST=0; //Æô¶¯×ª»» while(EOC==0); OE=1; //ÔÊÐíÊä³ö display1(P1); //ÏÔʾA/Dת»»½á¹û OE=0; //¹Ø±ÕÊä³ö P3=0x01; //ÏÔʾµÚ1· ST=0; ST=1; ST=0; //Æô¶¯×ª»» while(EOC==0); OE=1; //ÔÊÐíÊä³ö display2(P1); //ÏÔʾA/Dת»»½á¹û OE=0; //¹Ø±ÕÊä³ö } } |
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badboyback
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4Â¥2014-06-30 12:28:00
D-Bing
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3Â¥2014-06-26 22:42:28
GLJLQ
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5Â¥2014-09-02 14:54:54













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