單片機(jī)課程設(shè)計(jì)音樂盒(文件)
【正文】 H,93H,92H DB 02H,61H,71H,0B4H,0B2H,0B1H,0B1H,76H,0B1H,71H,6CH,02H,61H,71H,0B6H,0B1H,0B1H,76H,0B1H,71H,6CH,02H,51H,61H,56H,61H,51H,54H,51H,0B1H,71H,0B1H DB 66H,62H,54H,0B2H,71H,61H,6CH DB 00 END 實(shí)驗(yàn)控制流程圖如下：初始化變量及LCD接口初始化計(jì)數(shù)器T0,定時(shí)器T1LCD顯示英文歡迎字符等待按鍵，是否有按鍵？包括播放鍵，暫停鍵，停止鍵歌曲號(hào)及播放時(shí)間顯示在LCD上主程序開始依據(jù)按鍵碼演奏對(duì)應(yīng)的歌曲YN使用說(shuō)明：鍵盤如下：0123456789ABCDEF按鍵功能說(shuō)明：1~A：十首歌曲C：上一首歌曲D：下一首歌曲E：歌曲暫停F：開機(jī)畫面四、調(diào)試程序調(diào)試中出現(xiàn)的問題及解決的辦法：1． 有時(shí)會(huì)出現(xiàn)程序一點(diǎn)錯(cuò)誤也沒有，但就是不能正常運(yùn)行的現(xiàn)象，最后我們發(fā)行是因?yàn)槌绦蛑杏械闹噶顣鴮懙貌灰?guī)范導(dǎo)致的，例如有的RET返回指令一定要按正確格式書寫或在兩行指令間最好不要留空行。4． 編程過程中要注意加注釋或分割線，否則，在程序過長(zhǎng)時(shí)容易變得很亂，不便于查找或更改。解決辦法：將定時(shí)器1設(shè)定在工作方式1，16位計(jì)數(shù)，計(jì)50ms,效果有很大改觀。d. 改進(jìn)方案：若采用可以定時(shí)時(shí)間更長(zhǎng)的單片機(jī)，可以避免所有問題。3． 最后要提一點(diǎn)建議，希望下一次課程設(shè)計(jì)中，每個(gè)人都能有一塊實(shí)驗(yàn)開發(fā)板，這樣能使每個(gè)人都能得到充分的鍛煉！六、參考文獻(xiàn)[1]徐泳龍. 單片機(jī)原理及應(yīng)用. 機(jī)械工業(yè)出版社 [2]曹天漢. 單片機(jī)原理與接口技術(shù). 電子工業(yè)出版社 [3]張有德，趙志英，涂時(shí)亮. 單片微型機(jī). 復(fù)旦大學(xué)出版社25。2． 在一個(gè)好的氛圍里才能踏下心來(lái)做東西，在這幾天課設(shè)的時(shí)間里，實(shí)驗(yàn)室的氛圍對(duì)我們的影響很大，大家一起努力，這也是我們能完成課設(shè)的動(dòng)力。b. 當(dāng)音樂為全4拍起始時(shí)，此時(shí)音樂節(jié)奏與定時(shí)器T1中斷頻率錯(cuò)開，LCD顯示和音樂播放都會(huì)好一些。6． 編程前要加流程圖，這樣會(huì)使思路清晰，例如數(shù)字音樂盒的設(shè)計(jì)思路完全可以按著MP3的工作方式列寫流程圖。當(dāng)用JNZ指令時(shí)，跳轉(zhuǎn)范圍比較少，這時(shí)要用一個(gè)標(biāo)號(hào)中轉(zhuǎn)。TABLE80: DB 86H,92H,12H,22H,32H,52H,68H,63H,52H,34H,62H,0B2H,0B2H,62H,51H,61H,51H,31H,54H DB 62H,0B2H,0B2H,62H,52H,32H,52H,52H,51H,61H,51H,31H,34H,52H,62H,74H,32H,52H,52H,32H,21H,31H,21H,11H,24H DB 32H,52H,52H,32H,22H,12H,24H,32H,52H,52H,32H,62H,52H,61H,51H,31H,21H,21H,31H,21H,11H,1CH DB 21H,31H,22H,23H,31H,21H,18H,02H,0B2H,0BCH,0B4H,72H,61H,51H,72H,61H,71H,61H,51H,61H,71H,61H,6FH DB 86H,94H,12H,22H,32H,52H,64H,62H,51H,31H,52H,21H,31H,21H,33H,62H,0B2H,0B2H,62H,51H,61H,51H,31H,54H DB 62H,0B2H,72H,61H,51H,51H,61H,51H,31H,54H,61H,0B2H,72H,61H,51H,51H,61H,51H,31H,32H,21H,11H,32H,51H,61H,54H DB 02H,32H,24H,32H,52H,52H,32H,22H,31H,21H,11H,24H,32H,52H,62H,0B2H,72H,61H,51H,61H,51H,31H,32H,52H,52H,32H,62H DB 51H,31H,31H,21H,11H,91H,23H,31H,21H,1CH,12H,24H,32H,62H,51H,31H,34H,0B4H,72H,61H,51H,63H,71H,64H DB 0B2H,54H,72H,62H,71H,61H,54H,61H,51H,31H,21H,34H,73H,61H,54H,22H,32H,52H,22H,36H,52H,62H,61H,31H,32H,21H,11H,21H,11H,91H,81H DB 94H,52H,62H,52H,42H,32H,22H,32H,52H,0B4H,74H,64H,52H,61H,51H,41H,5CH,02H,52H,0B4H,74H,63H,51H,61H,51H,31H,21H DB 00。第七首世上只有媽媽好。TABLE40: DB 88h,14h,24h,36H,42H,34H,14H,28H,14H,94H DB 1fH,88H,14H,24H,34H,32H,42H,54H,14H DB 46H,32H,54H,22H,32H,32H,22H,2CH,38H,54H,74H DB 76H,62H,68H,54H,52H,62H,74H,62H,52H,3fH DB 46H,42H,54H,64H,54H,42H,32H,28H,0a4H,0a2H DB 92H,84H,94H,1fH,0b8H,68H,46H,52H,68H DB 74H,72H,72H,74H,62H,52H,3fH,0b8H,68H DB 46H,52H,68H,64H,62H,62H,64H,42H,32H,2fH DB 58H,14H,24H,36H,42H,34H,12H,12H,26H,22H,24H,22H,12H DB 94H,9cH,0a8H,0a6H,92H,84H,64H,54H,22H,22H,46H,42H,44H,32H,22H,5fH DB 00。第三首《看我七十二變》。TABLE00: DW 64580,64684,64777,64820 DW 64898,64968,65030,64260 DW 64400,64524,65058,63835,64021。顯示小時(shí)十位 CALL ENABLE CALL WRITE2 MOV A,B ADD A,30H MOV P0,0C9H 。顯示分十位 CALL ENABLE CALL WRITE2 MOV A,B ADD A,30H MOV P0,0CCH 。****************每秒種時(shí)鐘刷新秒顯示一次SECSET: MOV A,SEC MOV B,10 DIV AB ADD A,30H MOV P0,0CEH 。***************************************************TT0: PUSH ACC PUSH PSW MOV TL0,20H MOV TH0,21H CPL POP PSW POP ACC RETI。TTM12: LCALL K2 MOV A,37H CJNE A,0EH,TTM13 CLR TR1 LCALL DELAY1TTM120: LCALL KS LCALL DELAY1 JZ TTM120 LCALL K2 MOV A,37H CJNE A,0EH,TTM120 SETB TR1 LJMP NEXT20TTM13: CJNE A,0CH,TTM14 MOV A,52H INC A MOV 52H,A MOV A,53H INC A MOV 53H,A MOV A,36H INC A MOV 37H,A LJMP TTM2TTM14: CJNE A,0DH,TTM2 MOV A,52H DEC A MOV 52H,A MOV A,53H DEC A MOV 53H,A MOV A,36H DEC A MOV 37H,A。NEXT20: MOV A,40H MOV DPH,52H
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