課程設(shè)計(jì)-基于單片機(jī)音樂倒數(shù)計(jì)時(shí)器的設(shè)計(jì)-預(yù)覽頁(yè)
【正文】 MOV R1,0 。開啟LED燈MOV A,R0 。跳轉(zhuǎn)到時(shí)間微調(diào)子程序K3:JB ,K4 。*******************初始時(shí)間微調(diào)的子程序*******************X1: MOV A,R0MOV B,10DIV ABMOV DPTR,TABMOVC A,A+DPTRMOV P2,04HMOV P1,ALCALL TIME1MOV A,BMOV DPTR,TABMOVC A,A+DPTRMOV P2,08HMOV P1,ALCALL TIME1X2:MOV A,R1MOV B,10DIV ABMOV DPTR,TABMOVC A,A+DPTRMOV P2,01HMOV P1,ALCALL TIME1MOV A,BMOV DPTR,TABMOVC A,A+DPTRMOV P2,02HMOV P1,ALCALL TIME1JB ,NEXT1 。關(guān)閉外部中斷1（即K1開關(guān)）LJMP X1。蜂鳴器播放音樂的主程序 MOV DPTR,TABLE MOVC A,A+DPTR CJNE A,00H,PLAY MOV 40H,00H LJMP KAISI PLAY:MOV R3,A ANL A,0FH MOV R5,A MOV A,R3 ANL A,0F0H CJNE A,00H,MUSIC CLR TR1 LJMP DELMUSIC:SWAP A DEC A MOV 22H,A ADD A,22H MOV R5,A MOV DPTR,TABLE1 MOVC A,A+DPTR MOV TH1,A MOV 21H,A MOV A,R5 INC A MOVC A,A+DPTR MOV TL1,A MOV 20H,A SETB TR1 DEL: LCALL DELAY1 INC 40H JB ,HUIQU 。外部中斷0，分鐘微調(diào)加1分鐘INC R1CJNE R1,60,Q1 。比較分鐘是否到1MOV R1,60 。比較秒鐘是否為0CJNE R1,0,Q3 。減少1分鐘DEC R0 。音樂程序使用的計(jì)數(shù)器中斷1 PUSH PSW CPL CPL MOV TL1,20H MOV TH1,21H POP PSW POP ACC RETITIME1:MOV R4,250 。樂譜表TABLE:DB 54H,64H,38H,44H,54H,18H,34H,44H,54H,64H,4CH ?！?在用單片機(jī)編寫音樂方面不夠熟練?！?向同學(xué)請(qǐng)教的重要性，團(tuán)結(jié)協(xié)作的重要性。通過本次課程設(shè)計(jì)，我更深刻的認(rèn)識(shí)到了教學(xué)實(shí)踐在大學(xué)課程中的重要性，同時(shí)也發(fā)覺到了自己在學(xué)習(xí)方面存在的許多不足之處，在以后的學(xué)習(xí)中我會(huì)努力改進(jìn)這些不足，不斷提高自己的動(dòng)手實(shí)踐能力。 your employer dismisses you and you think that you have been dismissed unfairly.For more information about dismissal and unfair dismissal, seeagainst the disciplinary action your employer has taken against you. However, if you win your case, the tribunal may reduce any pensation awarded to you as a result of your failure to appeal.Remember that in most cases you must make an application to an employment tribunal within three months of the date when the event you are plaining about happened. If your application is received after this time limit, the tribunal will not usually accept it.If you are worried about how the time limits apply to you, take advice from one of the organisations listed undert charge you more than 35% of your pensation To find your nearest CAB, including those that give advice by , click ons 150th anniversary celebrations and will attend City39。for the racist behaviour of their fans durings actions.CSKA said they were surprised and disappointed by Toure39。總覺得自己自己似乎應(yīng)該去做點(diǎn)什么，或者寫點(diǎn)什么。t really grow up, it seems is not so important。Originally, this world, can produce a chemical reaction to an event, in addition to resolutely, have to do, and time. 原來，這個(gè)世界上，對(duì)某個(gè)事件能產(chǎn)生化學(xué)反應(yīng)的，除了非做不可的堅(jiān)決，還有，時(shí)間。也曾經(jīng)好像已經(jīng)下定了決心去做某件事，但更多的時(shí)候是最后又打起了退堂鼓。 Those were broken into various shapes of stationery。突然想到那件藍(lán)格子襯衫；那些被折成各種各樣形狀的信紙；那段從街角深巷伊始的友誼；還有那場(chǎng)還沒有開始就宣告了終結(jié)的邂逅計(jì)劃……那些年那些天的非做不可，終于和青春一樣，都將在我們的人生中謝幕。t. Baumgartner still will free fall at a speed that would cause you and me to pass out, and no parachute is guaranteed to work higher than 25,000 feet (7,620 meters).cause there
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