單片機(jī)-課程設(shè)計(jì)三人搶答器

1、rapid development of the market economy environment to explore public servants duty consumption monetization reform has provided a good foundation. The socialization of rear service work has been launched, and rapid progress in some places and departments, duty consumption monetization of carrier an

2、d approach to management has been resolved. Third, in recent years, exploring the monetization of duty consumption has made some progress, have gained some experience and can provide reference to the comprehensive reform of the system of public servants duty consumption further. Implementing an hone

3、st canteen, standardize official entertaining management; enhancing the telecommunication expense management; elimination of County travel and countryside subsidies; research village officials capitalization management of corporate spending, and so on. Finally, group .18 session to be held in Beijin

4、g from November 9, 2013 to 12th. 35 years ago blew the third plenary session of the reform and opening up in the spring breeze, changed, affect the world; today, 35 years later, in the eyes of the nation and the world expect, again to reform mark China, ushered in the 18 session. XI General Secretar

5、y pointed out that Chinas reform has entered a crucial period and the Sham Shui Po District, must be based on greater political courage and wisdom, lose no time in deepening reform in important fields. Dares to crack a hard nut, dares to question the Rapids, which dares to break the barrier of ideas

6、, and dare to benefit cure barriers. Deepening reform and opening up is on schedule to achieve institutional safeguards of the moderately well-off. Under the five in one the General layout of socialist modernization requirements, 18 session of the decision was a five in one and the improvement of ov

7、erall scheme of reform, will promote an integrated and coordinated economic, political, cultural, social and ecological civilization construction of the five reforms and the partys construction in the area of institutional reform. The five in one programme is to achieve a comprehensive reform of ins

8、titutional guarantees for objectives of build a well-off society, the smooth progress of the construction of a well-off society and reform the objectives of the programme. One, holding time and place importance on November 9, 2013 to the 18 session of the 12th Beijing since 1978, 35, have been 7 ple

9、nary session, each time on major issues of political and economic life of the country has made important deployment. In accordance with PRC political practice, often at every session of the CPC Central Committee in a plenary session was held immediately after the partys Congress, on the theme person

10、nel, discussing election Centrals top leaders, such as the election of the Standing Committee of the political Bureau, through the Central Committee members, decisions, such as members of the Central Military Commission. The second plenary session, is held in two sessions before the general election

11、, mainly to discuss a new State personnel issues. But by the third三人搶答器模擬實(shí)驗(yàn)報(bào)告一 目的與要求1 目的（1） 培養(yǎng)學(xué)生綜合利用MCS51單片機(jī)的軟硬件知識(shí)進(jìn)行程序設(shè)計(jì)的能力，解決一定實(shí)際問(wèn)題。（2） 進(jìn)一步加深對(duì)MCS51單片機(jī)的內(nèi)部結(jié)構(gòu)和程序設(shè)計(jì)方法的理解。（3） 提高學(xué)生建立程序文檔，歸納總結(jié)的能力。2 基本要求（1） 要求用MCS51單片機(jī)知識(shí)完成程序的設(shè)計(jì)。（2） 源代碼程序要求必要的注釋。3 創(chuàng)新要求在基本要求達(dá)到后，可以進(jìn)行創(chuàng)新設(shè)計(jì)，更加完善程序功能。二 系統(tǒng)總體設(shè)計(jì)基于MCS51單片機(jī)的智能搶答器的設(shè)計(jì)，主

12、要實(shí)現(xiàn)以下幾種功能：（1） 當(dāng)主持人按下控制按鈕時(shí)，搶答開(kāi)始，蜂鳴器響起，提醒選手可以開(kāi)始搶答。（2） 從開(kāi)始搶答起，自動(dòng)計(jì)時(shí)5秒搶答時(shí)間，在此期間如有選手要回答問(wèn)題，那么可以按下自己的搶答開(kāi)關(guān)，若搶到，與之相對(duì)應(yīng)的LED燈亮起。（3） 如在規(guī)定搶答時(shí)間內(nèi)，無(wú)人搶答問(wèn)題，那么此題作廢，主持人可按鍵進(jìn)行下一題搶答。三 硬件系統(tǒng)設(shè)計(jì)該搶答器的設(shè)計(jì)是基于MCS51單片機(jī)的,使用到的硬件主要有8051的P1和P3口,LED燈，外部中斷INT0和定時(shí)/計(jì)數(shù)器01.使用的三個(gè)開(kāi)關(guān)SW1、SW2、SW3分別代表的是三名選手的控制按鍵,選用P1口中的P1.0、P1.1、P1.2標(biāo)是三名選手。2.使用的三盞LE

13、D燈表示相應(yīng)的選手的指示燈,亮起即表示該名選手搶得該題。3.外部中斷0與P3.2相連,功能為主持人按鍵,按下此開(kāi)關(guān)搶答即開(kāi)始。4.P3.3與蜂鳴器相連。四 程序流程圖五 程序ORG 8000H LJMP MAINORG 8003HLJMP INTORG 800BHLJMP TOSMAIN: SETB EA SETB EX0SETB IT0 ;開(kāi)中斷MOV TMOD,#01H ;設(shè)置T/C0WAIT: JB P3.5,STOP ；判別搶答位JNB P3.4,WAITSETB TR0 ；開(kāi)始計(jì)時(shí)SETB ET0MOV R7, #00HLoop: MOV R6, #15HDJNZ R6, $DJNZ

14、 R7, LoopCPL P3.3 ；蜂鳴器響起JNB P1.3,L1JNB P1.4,L2JNB P1.5,L3LJMP WAITL1: CPL P1.0CLR P3.4CLR ET0CLR TR0LJMP WAIT L2: CPL P1.1CLR P3.4CLR ET0CLR TR0LJMP WAITL3: CPL P1.2CLR P3.4CLR ET0CLR TR0LJMP WAITTOS: MOV TL0,#00HMOV TH0,#4CH ；T0中斷為50msINC R0MOV A,R0CJNE A,#100,NEXT ；搶答時(shí)間設(shè)置為50msMOV R0,#00HSETB P3.5N

15、EXT: RETISTOP: CLR TR0CLR ET0SETB P3.6SETB P1.0SETB P1.1SETB P1.2MOV R0,#00H LJMP WAIT INT: CPL P3.5SETB P3.4 RETIEND六 調(diào)試程序的方法在調(diào)試的過(guò)程中,可采用單步執(zhí)行的方法調(diào)試,在單步執(zhí)行的過(guò)程中可穿插使用運(yùn)行至光標(biāo)處,然后加入中斷,執(zhí)行中斷任務(wù)。七 所設(shè)計(jì)問(wèn)題的不足和改進(jìn)方案由于時(shí)間和設(shè)備資源限制，本設(shè)計(jì)內(nèi)容較為簡(jiǎn)單，而且功能比較單一，且選手搶答后開(kāi)關(guān)不能自己復(fù)位，需靠選手自行將開(kāi)關(guān)撥回。（后附改進(jìn)版）八 收獲體會(huì) 通過(guò)單片機(jī)的設(shè)計(jì)實(shí)習(xí)，我還是學(xué)到了很多的東西。在平時(shí)上課沒(méi)有注

16、意到的地方或是還不太明白的知識(shí)點(diǎn)，我都通過(guò)設(shè)計(jì)當(dāng)中自己查相關(guān)資料和詢問(wèn)其他同學(xué)解決掉了。設(shè)計(jì)當(dāng)中還學(xué)到了一些相關(guān)的課外知識(shí)。設(shè)計(jì)實(shí)習(xí)提高了我的思能力，動(dòng)手能力，還有團(tuán)隊(duì)合作的能力，以上這些都是在課上體會(huì)不到而在以后的工作當(dāng)中相當(dāng)重要的。這次單片機(jī)的設(shè)計(jì)實(shí)習(xí)，我雖然參考了很多的資料，但由于知識(shí)有限，經(jīng)驗(yàn)不足，實(shí)驗(yàn)儀器的限制，再加上時(shí)間并不是十分充裕，做的并不是十全十美。雖然程序能夠運(yùn)行，但程序沒(méi)有考慮到所有可能的情況，程序本身也存在一些漏洞。希望王老師能夠指教。 2007-12-30 德國(guó)教育家第斯多惠說(shuō)：“教學(xué)的藝術(shù)不在于傳授本領(lǐng)，而在于激勵(lì)、喚醒、鼓舞?！碑?dāng)學(xué)生沉浸于“我能學(xué)好”的喜悅中時(shí)，

17、必然會(huì)產(chǎn)生更強(qiáng)烈的主動(dòng)求知的心理沖動(dòng)plenary session, each session of the Central Committee of national institutions and personnel problems have been arranged, you can concentrate on national development and reforms. Previous plenary session is often branded with a central leading collective, often by looking at the t

18、hird plenum of the initiative to found the current central leadership collective governance characteristics. From the analysis of the process of economic reform in China, plenary session, 12 session, 14, 16 plenary session have programmatic meaning, respectively, marking the four stages of Chinas ec

19、onomic reform, and that the start-up phase of reform, reform, construction phase and perfecting the Socialist market economy framework stage of socialist market economy. Previous plenary session topics proposed to the third plenary session of taking class struggle as the key link, shifted to sociali

20、st modernization; 12 session marked the change from rural to urban, established with public ownership as the Foundation of a planned commodity economy; 13 session at a time when both the old and the new system change, governance and rectify the economic order; 14 . Fair and efficient and authoritati

21、ve Socialist judicial system, safeguard the peoples interests. Legal authority to uphold the Constitution, deepening the reform of administrative law enforcement, ensure that the right to exercise judicial power independently and impartially according to law the prosecution, perfecting the running m

22、echanism of judicial power, improve the system of judicial protection of human rights. Plenary session, Affairs the right to adhere to the system, and let the people authority to let the power run in the Sun, is shut up in a cage of the system power policy. Decision Science, implementation should be

23、 constructed strong, supervise the running of powerful system, improve the system of punishing and preventing corruption, promoting political integrity, and strive to achieve cadres honest and Government integrity, clean politics. To form a scientific and effective coordination of power restriction and mechanisms to strengthen anti-corruption institutional innovation and institutional protection, sound improvement style normal system. Plenary session, building a s