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單片機(jī)課程設(shè)計音樂盒-wenkub.com

2025-06-23 12:41 本頁面
   

【正文】 另外在編程中出現(xiàn)問題時,一定要戒驕戒躁,腳踏實地,認(rèn)真看書,仔細(xì)分析,仔細(xì)調(diào)試,就一定會發(fā)現(xiàn)錯誤,克服困難,我們也是這么做的,這在課設(shè)中十分重要。c. 另外,在歌曲中,當(dāng)遇到一個音符發(fā)音為4拍,在編曲中為*CH,托因時間較長,當(dāng)定時器T1此時來中斷時,就會對歌曲播放產(chǎn)生影響,若改為發(fā)音一拍,中斷對歌曲播放影響減弱,但音樂效果變差。7. LCD計時正常顯示的解決辦法:a. 兩個定時器同時工作,存在中斷時序問題,剛開始時我們把定時器1設(shè)定在方式3,計250us,由于定時中斷過于頻繁,使CPU負(fù)載過大,導(dǎo)致音樂不能正常播放,時間不能正常顯示。3. 編程時要注意,在程序開始時,要寫入各定時器中斷的入口地址。第十首你的愛給了誰。TABLE70: DB 66H,52H,34H,54H,0B4H,62H,52H,68H,34H,52H,62H,54H,34H,12H,92H,52H,32H,28H DB 26H,32H,54H,52H,62H,34H,24H,18H,56H,32H,22H,12H,92H,12H,8FH DB 66H,52H,34H,54H,0B4H,62H,52H,68H,34H,52H,62H,54H,34H,12H,92H,52H,32H,28H DB 26H,32H,54H,52H,62H,34H,24H,18H,56H,32H,22H,12H,92H,12H,8FH DB 66H,52H,34H,54H,0B4H,62H,52H,68H,34H,52H,62H,54H,34H,12H,92H,52H,32H,28H DB 26H,32H,54H,52H,62H,34H,24H,18H,56H,32H,22H,12H,92H,12H,8FH DB 00。第六首《兩只蝴蝶》。TABLE30: DB 0d4H,84H,94H,82H,92H DB 12H,22H,82H,92H,02H,92H,82H,0d2H DB 82H,92H,14H,84H,02H,0d1H,0d1H DB 0c2H,0d2H,84H,0d2H,0d2H,82H,82H DB 84H,82H,82H,94H,82H,0d2H DB 82H,82H,82H,92H,02H,82H,82H,0d2H DB 0c4H,84H,0d4H,92H,0d2H DB 82H,0d2H,82H,92H,98H DB 04H,94H,88H DB 04H,94H,88H DB 04H,94H,88H DB 04H,94H,88H,04H DB 32H,32H,22H,12H,02H,92H,12H,92H DB 32H,32H,22H,12H,02H,92H,12H,92H DB 32H,32H,22H,12H,02H,92H,12H,22H DB 54H,44H,34H,12H,22H DB 34H,22H,12H,02H,92H,12H,92H DB 32H,32H,22H,12H,02H,92H,12H,92H DB 32H,32H,22H,12H,02H,92H,12H,22H DB 54H,44H,32H,22H,12H,92H DB 00 。第二首《月亮代表我的心》。顯示小時個位 CALL ENABLE CALL WRITE2 MOV A,HOU INC A MOV HOU,A XRL A,10 JNZ OUT SJMP OVERFLOWOUT: RETI。顯示分個位 CALL ENABLE CALL WRITE2 MOV A,MIN MOV B,3 MUL AB MOV B,100 DIV AB MOV R2,A MOV A,10 XCH A,B DIV AB MOV A,MIN XRL A,60 JNZ OUTHOUSET: MOV MIN,00H 。顯示秒十位 CALL ENABLE CALL WRITE2 MOV A,B ADD A,30H MOV P0,0CFH 。***************************************************。 TTM2: RET。SING: DEC A MOV 22H,A RL A MOV DPTR,TABLE00 MOVC A,A+DPTR MOV TH0,A MOV 21H,A MOV A,22H RL A INC A MOVC A,A+DPTR MOV TL0,A MOV 20H,A SETB TR0 SETB TR1W1: LCALL DELAY30 INC 40H LCALL KS 。MAIN0: MOV TMOD,11H MOV IE,8aH 。CAU39。WELCOM HERE39。**********************************************寫數(shù)據(jù)WRITE1: MOV R1,00HA1: MOV A,R1 MOVC A,A+DPTR CALL WRITE2 INC R1 CJNE A,0FEH,A1 。顯示秒個位 CALL ENABLE CALL WRITE2 MOV P0,0C0H 。顯示分十位 CALL ENABLE CALL WRITE2 MOV A,B ADD A,30H MOV P0,0CCH 。將BCD嗎轉(zhuǎn)化為ASIIC碼 MOV P0,0C8H 。開機(jī)提示字。DELAY1: SETB RS0dl: mov R5,0ahdl2: mov R6,63dl3: nop nop djnz R6,dl3 djnz R5,dl2 CLR RS0 RET。next1: inc R4 。為1跳轉(zhuǎn),第一行無按鍵 mov a,00h ljmp lkL1: jb ,L2 mov a,04h ljmp lkL2: jb ,L3 mov a,08h ljmp lkL3: jb ,next1 mov a,0ch。key1: LCALL key LCALL modd LJMP key1。8位,2行顯示 LCALL ENABLE MOV P0,0FH 。******************************************* ORG 0000h LJMP main ORG 000BH LJMP TT0 ORG 001BH LJMP T1INT org 1000hmain: 。三、軟件設(shè)計本程序可以實現(xiàn)課程設(shè)計的基本要求和附加功能,并可以通過按鍵播放七歌曲。(3) 用,~,R/W,E的控制信號。同時啟動定時器T1,顯示樂曲播放的時間,并驅(qū)動LCD,顯示歌曲號及播放時間。單片機(jī)課程設(shè)計實驗報告 微機(jī)原理課程設(shè)計題 目:數(shù)字音樂盒姓 名: 學(xué) 號:指導(dǎo)老師 : 目 錄一、任務(wù)與要求 3二、硬件設(shè)計 3三、軟件設(shè)計 3
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