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/**********ʵѵµç×Ó±í¹¤³Ì****************/
/********** ÐÕÃû Õų¬ ±¾Èý°à ****************/ #include
#define uchar unsigned char #define uint unsigned int
uchar code table[]= { 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; uchar t0=0,miao=0,fen=0,shi=0; sbit lb=P1^0;
sbit ti=P1^1;//µ÷±í¿ªÊ¼ sbit jia=P1^3;//ʹ·ÖÖÓ¼Ó sbit jian=P1^6;//ʹ·ÖÖÓ¼õ void delay(uint z) //ÑÓʱzºÁÃë { uint i,j; for(i=0; i void chushi() { EA=1;ET0=1; //¿ª¶¨Ê±Æ÷0 TH0=(65535-50000)/256; //ÉèÖö¨Ê±Æ÷³õÖµ ÿ¼ÓÒ»ÐèÒª1us 50msÐèÒª¼Ó TL0=(65535-50000)%6; //50000´Î£¬¹ÊÕâôËã TMOD=0x01; //·½Ê½Ò» Ê®Áùλ¶¨Ê±Æ÷ TR0=1; //ÔËÐпØÖÆλ } void xianshi() { P0=0x80;P2=table[miao]; delay(1); P0=0x40; P2=table [miao/10]; delay(1); P0=0x20; P2=0xbf; delay(1); P0=0x10;P2=table[fen];delay(1); P0=0x08;P2=table[fen/10];delay(1); P0=0x04;P2=0xbf;delay(1); P0=0x02;P2=table[shi];delay(1); P0=0x01;P2=table[shi/10];delay(1); } void main() { chushi(); 13 ÔæׯѧԺ¹âµç¹¤³ÌѧԺµç×ÓÐÅÏ¢¹¤³ÌרҵʵѵÂÛÎÄ while(1) { xianshi(); if(ti==0) { delay(5); if(ti==0) { ET0=0; if(jia==0) { delay(5); if(jia==0) fen++;delay(5); if(fen==60) fen=0; } if(jian==0) { delay(5); if(jian==0) { shi++; delay(5); } if(shi==24) fen=0; } } } if(ti==1) { delay(5); if(ti==1) ET0=1; } if(fen0==0&&miao>=0) //ÉèÖñ¨Ê±Ê±¼äΪһ·ÖÖÓ { //±£Ê±Ê®ÃëÖÓ if(fen0==0&&miao<=10) { lb=0; lb=1; //ÉèÖÃÀ®°È } 14