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2008年第12号台风牡丹(Nuri)的中心已进入我国东北地区,预计将以每小时15-20公里的速度继续向西北方向移动,逐渐靠近东北中部沿海,并可能于明天白天到夜间在辽宁一带沿海登陆。受其影响,今日中午到明日中午,吉林南部、辽宁东部、黑龙江东南部、吉林东北部等地将有7-9级大风,牡丹中心经过的附近海面或地区的风力可达10-13级。

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#include <reg52.h> //------------------------- Òý&frac12;Ŷ¨Òå --------------------------// sbit BEEP = P2^0; //·äÃùÆ÷¿ØÖÆÒý&frac12;Å£¬?µçÆ&frac12;ÓÐЧ sbit LED1 = P2^3; //LED1£¬¿ØÖÆÒý&frac12;Å£¬µÍµçÆ&frac12;ÓÐЧ sbit LED2 = P2^2; //LED2£¬¿ØÖÆÒý&frac12;Å£¬µÍµçÆ&frac12;ÓÐЧ sbit LED3 = P2^1; //LED3£¬¿ØÖÆÒý&frac12;Å£¬µÍµçÆ&frac12;ÓÐЧ //ÊýÂë&sup1;ÜÒý&frac12;Ŷ¨Òå #define duanPore P0 //ÊýÂë&sup1;ܶοØÖƶ˿ڣ¬¸ßµçÆ&frac12;ÓÐЧ sbit DIG1 = P2^4; //ÊýÂë&sup1;ܵÚ1λλѡ¿ØÖƶ˿ڣ¬µÍµçÆ&frac12;ÓÐЧ sbit DIG2 = P2^5; //ÊýÂë&sup1;ܵÚ2λλѡ¿ØÖƶ˿ڣ¬µÍµçÆ&frac12;ÓÐЧ sbit DIG3 = P2^6; //ÊýÂë&sup1;ܵÚ3λλѡ¿ØÖƶ˿ڣ¬µÍµçÆ&frac12;ÓÐЧ sbit DIG4 = P2^7; //ÊýÂë&sup1;ܵÚ4λλѡ¿ØÖƶ˿ڣ¬µÍµçÆ&frac12;ÓÐЧ //°´&frac14;üÒý&frac12;Ŷ¨Òå sbit KEY1 = P1^0; //1ºÅÑ¡ÊÖ sbit KEY2 = P1^1; //2ºÅÑ¡ÊÖ sbit KEY3 = P1^2; //3ºÅÑ¡ÊÖ sbit KEY4 = P1^3; //4ºÅÑ¡ÊÖ sbit KEY5 = P1^4; //5ºÅÑ¡ÊÖ sbit KEY6 = P1^5; //6ºÅÑ¡ÊÖ sbit KEY7 = P3^2; //Ö÷³ÖÈË&frac14;ü sbit KEY8 = P3^3; //ÉèÖÃ&frac14;ü //---------------------- È«¾Ö±äÁ¿¶¨Òå --------------------// //ÊýÂë&sup1;ܶÎÂë±í£¬ÊÊÓÃÓÚ&sup1;&sup2;ÒõÊýÂë&sup1;Ü unsigned char code tab_duan[19] = { 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f, //0~9 0x77,0x7c,0x39,0x5e,0x79,0x71, //A~F 0x40,0x00,0x48 //'-'£¬&sup1;رÕÏÔʾ£¬'=' }; unsigned char dat_buf[4] = {17, 17, 0, 5}; //ÏÔʾÊý¾Ý»º´æÇø£¬Ä¬ÈÏÉϵçÏÔʾ" 05" int time = 5, time1 = 5, time2 = 20; //µ&sup1;&frac14;ÆÊ±Ê±&frac14;䣬time1£ºÇÀ´ðµ&sup1;&frac14;ÆÊ±Ê±&frac14;䣬time2£º»Ø´ðµ&sup1;&frac14;ÆÊ±Ê±&frac14;ä unsigned char i = 0; unsigned int count = 0; //&frac14;ÆÊý»º´æ±äÁ¿ bit flag_lock = 1; //&frac14;üÅÌËø¶¨±êÖ¾£¬1£º&sup2;»Ëø¶¨£¬0£ºËø¶¨ //------------------------------- º¯ÊýÉùÃ÷ ------------------------------------// void DelayMs(unsigned int ms); //ÑÓʱº¯Êý£¬µ¥Î»£ºms void dig_scan(unsigned char *dat); unsigned char KeyScan(void); //¶ÀÁ¢°´&frac14;üɨÃè void InitTimer0(void); //¶¨Ê±Æ÷0³õÊ&frac14;»¯ void alarm(void); //±¨¾¯º¯Êý void AnswerTask(void); //ÇÀ´ðÈÎÎñ void SetTime(void); //ÉèÖõ&sup1;&frac14;ÆÊ±Ê±&frac14;ä /* Ö÷º¯Êý */ void main(void) { BEEP = 0; //ÉϵçĬÈÏ&sup1;رշäÃùÆ÷ LED1 = 1; InitTimer0(); //¶¨Ê±Æ÷0³õÊ&frac14;»¯ time = time1; //ÉϵçĬÈÏÇÀ´ðµ&sup1;&frac14;ÆÊ± while(1) { if(KeyScan() == 7) //Èç&sup1;ûÖ÷³ÖÈË&frac14;ü°´Ï£¬Ôò&frac12;øÐÐÇÀ´ð { alarm(); //·äÃùÆ÷ÏìÒ»Éù AnswerTask(); //&frac12;øÐÐÇÀ´ðÈÎÎñ } if(KeyScan() == 8) //Èç&sup1;ûÉèÖÃ&frac14;ü°´Ï£¬&frac12;øÈëÉèÖõ&sup1;&frac14;ÆÊ±Ê±&frac14;ä { alarm(); //·äÃùÆ÷ÏìÒ»Éù SetTime(); //&frac12;øÈëÉè&frac14;Ƶ&sup1;&frac14;ÆÊ±Ê±&frac14;ä } dat_buf[0] = 17; dat_buf[1] = 17; dat_buf[2] = time / 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄʮλÊý dat_buf[3] = time % 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄ¸öλÊý dig_scan(dat_buf); //&sup2;âÊÔÊýÂë&sup1;ÜÏÔʾ } } /* ÑÓʱº¯Êý£¬µ¥Î»£ºms */ void DelayMs(unsigned int ms) { unsigned char a,b,c; while(--ms) { for(c=1;c>0;c--) for(b=142;b>0;b--) for(a=2;a>0;a--); } } /* ÊýÂë&sup1;ÜÏÔʾɨÃè */ void dig_scan(unsigned char *dat) { /* ¶¯Ì¬É¨Ãè´¦Àí */ switch(i) { case 0: { duanPore = tab_duan[dat[0]]; //ÏÔʾµÚ1λÊýÂë&sup1;ÜÄÚÈÝ DIG1 = 0; break; } case 1: { duanPore = tab_duan[dat[1]]; //ÏÔʾµÚ2λÊýÂë&sup1;ÜÄÚÈÝ DIG2 = 0; //ѡͨµÚ2λÊýÂë&sup1;Ü break; } case 2: { duanPore = tab_duan[dat[2]]; //ÏÔʾµÚ3λÊýÂë&sup1;ÜÄÚÈÝ DIG3 = 0; //ѡͨµÚ3λÊýÂë&sup1;Ü break; } case 3: { duanPore = tab_duan[dat[3]]; //ÏÔʾµÚ4λÊýÂë&sup1;ÜÄÚÈÝ DIG4 = 0; //ѡͨµÚ4λÊýÂë&sup1;Ü break; } default: break; } DelayMs(5); //ɨÃèÑÓʱ10ms£¬¸ù¾Ýʵ&frac14;ÊÇé¿öÊʵ±Ð޸ĸÄÑÓʱʱ&frac14;ä DIG1 = 1; //ÏûÒþ DIG2 = 1; DIG3 = 1; DIG4 = 1; ++i; //ɨÃè±äÁ¿Ñ­»· if(i > 3) i = 0; } /* ¶ÀÁ¢°´&frac14;üɨÃè */ unsigned char KeyScan(void) { if(KEY1 == 0) //Èç&sup1;û°´&frac14;ü1°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY1 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 1; //Êä³ö°´&frac14;üÖµ1 } if(KEY2 == 0) //Èç&sup1;û°´&frac14;ü2°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY2 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 2; //Êä³ö°´&frac14;üÖµ2 } if(KEY3 == 0) //Èç&sup1;û°´&frac14;ü3°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY3 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 3; //Êä³ö°´&frac14;üÖµ3 } if(KEY4 == 0) //Èç&sup1;û°´&frac14;ü4°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY4 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 4; //Êä³ö°´&frac14;üÖµ4 } if(KEY5 == 0) //Èç&sup1;û°´&frac14;ü5°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY5 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 5; //Êä³ö°´&frac14;üÖµ5 } if(KEY6 == 0) //Èç&sup1;û°´&frac14;ü6°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY6 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 6; //Êä³ö°´&frac14;üÖµ6 } if(KEY7 == 0) //Èç&sup1;û°´&frac14;ü7°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY7 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 7; //Êä³ö°´&frac14;üÖµ7 } if(KEY8 == 0) //Èç&sup1;û°´&frac14;ü8°´Ï { DelayMs(10); //ÑÓʱ10msÈ¥³ý°´&frac14;ü¶¶¶¯ if(KEY8 == 0) //ÔÙÈ·ÈÏÒ»´Î°´&frac14;ü°´Ï£¬±íʾµ&frac12;Õâ°´&frac14;üÒѾ­Îȶ¨ÁË return 8; //Êä³ö°´&frac14;üÖµ8 } return 0; //ÎÞ°´&frac14;ü°´ÏÂÊä³ö0 } /* ¶¨Ê±Æ÷0³õÊ&frac14;»¯ */ void InitTimer0(void) { TMOD = 0x01; //ÅäÖö¨Ê±Æ÷0Ϊ&sup1;¤×÷Ä£Ê&frac12;1£¬16λ¶¨Ê±Æ÷ TH0 = (65536 - 10000) / 256; //¶¨Ê±10ms TL0 = (65536 - 10000) % 256; EA = 1; //´ò¿ª×ÜÖÐ¶Ï ET0 = 1; //´ò¿ª¶¨Ê±Æ÷0ÖÐ¶Ï TR0 = 0; //ÉϵçĬÈÏ&sup1;رն¨Ê±Æ÷0 } /* ¶¨Ê±Æ÷0ÖжϷþÎñº¯Êý£¬10ms&frac12;øÒ»´ÎÖÐ¶Ï */ void Timer0Interrupt(void) interrupt 1 { TH0 = (65536 - 10000) / 256; //¶¨Ê±10ms£¬ÖØÐÂ×°ÔØ&frac14;ÆÊýÖµ TL0 = (65536 - 10000) % 256; ++count; if(count > 100) //1sʱ&frac14;ä&frac14;ÆË㣺10ms * 100 = 1s { count = 0; //&frac14;ÆÊýÖµÇåÁã --time; //µ&sup1;&frac14;ÆÊ±Ê±&frac14;ä&frac14;õÒ»´Î if(time <= 0) //Èç&sup1;ûµ&sup1;&frac14;ÆÊ±&frac12;áÊø£¬Ôò&sup1;رն¨Ê±Æ÷0£¬Í£Ö&sup1;µ&sup1;&frac14;ÆÊ±£¬&sup2;¢Éù&sup1;ⱨ¾¯ºÍËø¶¨&frac14;üÅÌ { TR0 = 0; //&sup1;رն¨Ê±Æ÷0 BEEP = 1; //Éù&sup1;ⱨ¾¯ LED1 = 0; flag_lock = 0; //Ëø¶¨&frac14;üÅÌ } } } /* ±¨¾¯º¯Êý */ void alarm(void) { BEEP = 1; //·äÃùÆ÷ÏìһϠDelayMs(300); //ÑÓʱ300ms BEEP = 0; } /* ʵÏÖÇÀ´ðÈÎÎñ */ void AnswerTask(void) { unsigned char key_val; //°´&frac14;üÖµ»º´æ TR0 = 1; //Æô¶¯¶¨Ê±Æ÷0£¬¿ªÊ&frac14;µ&sup1;&frac14;ÆÊ± while(1) { if(flag_lock == 1) { key_val = KeyScan(); //»ñÈ¡°´&frac14;üÖµ switch(key_val) { case 1: { dat_buf[0] = key_val; //µÚ1λÊýÂë&sup1;ÜÏÔʾ1ºÅ dat_buf[1] = 16; //ÏÔʾ'-' time = time2; //»Ø´ðµ&sup1;&frac14;ÆÊ±£¬Ñ¡Êֻشðʱ&frac14;ä alarm(); //·äÃùÆ÷ÏìһϠflag_lock = 0; //Ëø¶¨&frac14;üÅÌ break; } case 2: { dat_buf[0] = key_val; //µÚ2λÊýÂë&sup1;ÜÏÔʾ2ºÅ dat_buf[1] = 16; //ÏÔʾ'-' time = time2; //»Ø´ðµ&sup1;&frac14;ÆÊ±£¬Ñ¡Êֻشðʱ&frac14;ä alarm(); //·äÃùÆ÷ÏìһϠflag_lock = 0; break; } case 3: { dat_buf[0] = key_val; //µÚ3λÊýÂë&sup1;ÜÏÔʾ3ºÅ dat_buf[1] = 16; //ÏÔʾ'-' time = time2; alarm(); //·äÃùÆ÷ÏìһϠflag_lock = 0; break; } case 4: { dat_buf[0] = key_val; //µÚ4λÊýÂë&sup1;ÜÏÔʾ4ºÅ dat_buf[1] = 16; //ÏÔʾ'-' time = time2; alarm(); //·äÃùÆ÷ÏìһϠflag_lock = 0; break; } case 5: { dat_buf[0] = key_val; //µÚ5λÊýÂë&sup1;ÜÏÔʾ5ºÅ dat_buf[1] = 16; //ÏÔʾ'-' time = time2; alarm(); //·äÃùÆ÷ÏìһϠflag_lock = 0; break; } case 6: { dat_buf[0] = key_val; //µÚ6λÊýÂë&sup1;ÜÏÔʾ6ºÅ dat_buf[1] = 16; //ÏÔʾ'-' time = time2; alarm(); //·äÃùÆ÷ÏìһϠflag_lock = 0; break; } default: break; } } dat_buf[2] = time / 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄʮλÊý dat_buf[3] = time % 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄ¸öλÊý dig_scan(dat_buf); //ÊýÂë&sup1;ÜÏÔʾÄÚÈÝ } } /* ÉèÖõ&sup1;&frac14;ÆÊ±Ê±&frac14;ä */ void SetTime(void) { unsigned char mode = 0; //0£ºµ÷&frac12;ÚÇÀ´ðµ&sup1;&frac14;ÆÊ±£¬1£ºµ÷&frac12;ڻشðµ&sup1;&frac14;ÆÊ±£¬2£ºÍ˳ö while(1) { if(KeyScan() == 8) //Èç&sup1;ûÔٴΰ´ÏÂÉèÖÃ&frac14;ü£¬ÔòÍ˳öÉèÖÃ&sup1;¦ÄÜ { alarm(); //·äÃùÆ÷ÏìÒ»Éù ++mode; if(mode >= 2) break; //Ìø³öµ±Ç°ËÀÑ­»· } if(KeyScan() == 7) //Èç&sup1;û°´ÏÂ&frac14;Ó&frac14;ü£¬&frac12;øÐе÷ʱ { alarm(); //·äÃùÆ÷ÏìÒ»Éù if(mode == 0) //µ÷&frac12;ÚÇÀ´ðµ&sup1;&frac14;ÆÊ± { ++time1; //µ&sup1;&frac14;ÆÊ±Ê±&frac14;ä&frac14;ÓÒ»´Î if(time1 > 30) //µ÷ʱ·¶Î§£º5s~30s time1 = 5; } if(mode == 1) //µ÷&frac12;ڻشðµ&sup1;&frac14;ÆÊ± { ++time2; //µ&sup1;&frac14;ÆÊ±Ê±&frac14;ä&frac14;ÓÒ»´Î if(time2 > 30) //µ÷ʱ·¶Î§£º5s~30s time2 = 5; } } /* µ÷ʱÏÔʾ´¦Àí */ if(mode == 0) { dat_buf[0] = 16; //ÏÔʾ'-' dat_buf[1] = time1 / 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄʮλÊý dat_buf[2] = time1 % 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄ¸öλÊý dat_buf[3] = 16; //ÏÔʾ'-' } if(mode == 1) { dat_buf[0] = 18; //ÏÔʾ'=' dat_buf[1] = time2 / 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄʮλÊý dat_buf[2] = time2 % 10; //È¡³öµ&sup1;&frac14;ÆÊ±µÄ¸öλÊý dat_buf[3] = 18; //ÏÔʾ'=' } dig_scan(dat_buf); //ÊýÂë&sup1;ÜÏÔʾÄÚÈÝ } time = time1; //»Øµ&frac12;Ö÷&frac12;çÃæÏÔʾÇÀ´ðµ&sup1;&frac14;ÆÊ± }写出一个这样的代码,主持人是1.0,时间调节是1.1,选手1.2-1.7,蜂鸣器是3.3,LED是3.4,数码管1234是2.0-2.3
09-19
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