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/***********¶ÁÈ¡T1¿ÚÊäÈëµÄƵÂÊÖµ£¨10MS 11.0592HZ¾§Õñ£©T0×ö¶¨Ê±Æ÷*****************/ #include unsigned int frequency,f1,f2; void time1(unsigned char x) { unsigned int i,j; for(i=0;i<200*x;i++) for(j=0;j<50000;j++); } void clean(void) { ES=0;//´®ÐпÚÖжϽûÖ¹ ET1=0;//T1Òç³öÖжϽûÖ¹ EX1=0;//ÍⲿÖжÏ1½ûÖ¹ ET0=0;//T0Òç³öÖжϽûÖ¹ EX0=0;//ÍⲿÖжÏ0½ûÖ¹ EA=0;//×ÜÖжϽûÖ¹ } unsigned int pinlu() { int i; clean(); TMOD=0X51; //T1¼ÆÊý£¬·½Ê½1 T0¶¨Ê±£¬·½Ê½1 TH1=TL1=0; //T1¼ÆÊýÇåÁã TH0=0Xdb; TL0=0Xff; //T0¶¨Ê±10MS(11.0592HZ) TF0=0; //T0Òç³öÖжϱêÖ¾ÇåÁã ET0=ET1=1; //T0T1Òç³öÖжϿª TR0=TR1=1; //¿ªT0 T1 while(TF0!=1) //¶¨Ê±Ê±¼äµ½ÔÙÍùÏÂÖ´ÐÐ {;} TR0=TR1=0; //¹ØT0 T1 TF0=0; //T0Òç³öÖжϱêÖ¾ÇåÁã i=TH1*256+TL1; return(i); } void main() { //initlcm(); // clear(); //bg=1; time1(2); while(1) { frequency=pinlu()*100; if((frequency>6033)&(frequency<6187)) f1=90; //½«²âÁ¿Êýֵת»»Îª¶ÔÓ¦°Ù·Ö±È, 1%-100% if((frequency>6186)&(frequency<6331)) f1=80; if((frequency>6330)&(frequency<6469)) f1=70; if((frequency>6468)&(frequency<6601)) f1=60; if((frequency>6600)&(frequency<6729)) f1=50; if((frequency>6728)&(frequency<6854)) f1=40; if((frequency>6853)&(frequency<6977)) f1=30; if((frequency>6976)&(frequency<7101)) f1=20; if((frequency>7100)&(frequency<7225)) f1=10; if(frequency>7224) f1=00; f2=frequency%100; //¶Ô²âÁ¿ÊýֵȡµÍÁ½Î» time1(1); //´¦ÀíÐèÒªµÈ´ýÒ»¶Îʱ¼ä,·ñÔòf2=0 if((f1==60)||(f1==70)||(f1==90)) f2=f2/13; //¶ÔµÍÁ½Î»Êýֵȡ¸öλ, else if(f1==80) f2=f2/14; else f2=f2/12; time1(1); f1=f1+f2; //½«Êý¾ÝºÏ³ÉÒ»Æð,ËÍÏÔʾ f1=0x000; //Çå0,ΪÏ´Î×¼±¸ } } /* Èç¹ûÄú¶Ô´ËÎÄÕ¸оõÂúÒâµÄ»°£¬ÇëͶÎÒһƱ¡£*/ [search]HS1101[/search] |
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