基于51單片機(jī)的八路搶答器課程設(shè)計(jì)(參考版)
2025-07-01 00:23本頁面
【正文】 19。此次的課程設(shè)計(jì)樹立了對自己工作能力的信心，相信會對今后的學(xué)習(xí)工作生活都有非常重要的影響，而且大大的提高了動手能力，使我充分的體會到了創(chuàng)造過程中的探索的艱難和成功的喜悅。=====T1溢出中斷(計(jì)時程序)=====T1INT: MOV TH1,3CHMOV TL1,0B0HINC R0RETIEND器件名稱規(guī)格型號數(shù)量微處理器AT89C511極性電容10uF1電阻3WTT10K9電容20PF3晶振12MHZ1按鈕15共陰4位7段數(shù)碼管SMG SM410561K1揚(yáng)聲器1表1 器件選型方案的詳細(xì)清單五、 總結(jié)通過此次的課程設(shè)計(jì)，讓我更進(jìn)一步的鞏固了單片機(jī)的各種知識。CPL 。按鍵發(fā)聲RET。將有效數(shù)據(jù)送到36H暫存AJMP LOOP2AA1: DEC R7AJMP AA0。AAAA1: MOV A,P1CJNE A,0FFH,AA1 。由于在讀搶答數(shù)據(jù)口的時候，單片機(jī)首先進(jìn)入倒計(jì)時程序，再調(diào)用顯示程序，最后才檢測按鍵口。沒讀到有效數(shù)據(jù)時繼續(xù)轉(zhuǎn)到AAAA1LOOP2: DJNZ 33H,LOOP2DJNZ 32H,LOOP3RET。=====延時4236個機(jī)器周期(顯示用到)=====DELAY2: MOV 32H,43HLOOP3: MOV 33H,1EHMOV A,R7 。====加減時間延時(起到不會按下就加N個數(shù))======DELAY1: MOV 35H,08HLOOP0: ACALL DISPLAYDJNZ 35H,LOOP0RET。滅,1,2,3,4,5,6,7,8,9,滅,FDAT2:DB 3fh,06h,5bh,4fh,66h,6dh,7dh,07h,7fh,6fh,00H,71H。=====顯示程序=====DISPLAY:MOV DPTR,DAT1。取回號數(shù)MOV R5,0BHMOV R4,0BH。三燈全滅AJMP CHECK1FLASH: CJNE A,0CH,CHECK1。犯規(guī)號數(shù)暫存與(34H)HERE: MOV A,R0CJNE A,06H,FLASH。因?yàn)榇痤}的計(jì)時不再查詢搶答,所以就鎖了搶答AJMP COUNTTRUE2:ACALL BARKMOV A,R2MOV R6,AMOV R3,02HCLR OKAJMP COUNTTRUE3:ACALL BARKMOV A,R2MOV R6,AMOV R3,03HCLR OKAJMP COUNTTRUE4:ACALL BARKMOV A,R2MOV R6,AMOV R3,04HCLR OKAJMP COUNTTRUE5:ACALL BARKMOV A,R2MOV R6,AMOV R3,05HCLR OKAJMP COUNTTRUE6: ACALL BARKMOV A,R2MOV R6,AMOV R3,06HCLR OKAJMP COUNTTRUE7:ACALL BARKMOV A,R2MOV R6,AMOV R3,07HCLR OKAJMP COUNTTRUE8:ACALL BARKMOV A,R2MOV R6,AMOV R3,08HCLR OKAJMP COUNT。=====正常搶答處理程序=====TRUE1: ACALL BARKMOV A,R2MOV R6,A。如果是搶答倒計(jì)時,如是則查詢搶答,否者跳過查詢繼續(xù)倒數(shù)(這里起到鎖搶答作用)AJMP RECOUNTACCOUT:MOV A,36HJNB ,TRUE1JNB ,TRUE2JNB ,TRUE3JNB ,TRUE4JNB ,TRUE5JNB ,TRUE6JNB ,TZ1JNB ,TZ2AJMP RECOUNTTZ1:JMP TRUE7TZ2:JMP TRUE8QUIT: CLR OK。只在回答倒計(jì)時才有效AJMP NEXTTCHECKK:JNB ,REPEAT 。計(jì)時一秒R6自動減1MOV R0,00HCHECK: JNB ,QUIT。一秒標(biāo)志減1
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