【導讀】多樣的彩燈成了現(xiàn)今裝飾和美化的時尚和潮流。千姿萬態(tài)的流水燈能給人一種視覺沖擊。擬采用單片機AT89C51去實現(xiàn)這種千變萬化的流水燈。單片機技術是一種傳統(tǒng)和典型的。技術，具有智能化、體積小、集成度高和價格低廉等許多獨特的優(yōu)點。優(yōu)越于其他電子電路，其硬件電路和軟件方面都不是特別復雜。首先設計一個穩(wěn)定的直流電源電路，然后設計一個復位電路，與通信，最后還需要設計按鍵電路用來控制音樂流水燈。為了使蜂鳴器能夠正常的發(fā)生。同時將其進行仿真調試和組合調試。滿足對視覺上的享受。

　　

【正文】 查表 MOVC A,@A+DPTR MOV R2,A JZ JIES ANL A,＃ 0FH。算節(jié)拍 MOV R5,A MOV A,R2 SWAP A ANL A,＃ 0FH 。算出音調值 JNZ SING CLR TR0 JMP D1 SING: MOV 50H,A MOV A,40H CJNE A,＃ 00H,MODE1 MOV DPTR,＃ TABLE0 。TABLE1 JMP CONT MODE1: MOV DPTR,＃ TABLE00 CONT: MOV A,50H 。定時 T0 器裝置 DEC A MOV 22H,A RL A MOVC A,@A+DPTR MOV TH0,A MOV 21H,A MOV A,22H RL A 東華理工大學長江學院畢業(yè)設計 附錄 28 INC A MOVC A,@A+DPTR MOV TL0,A MOV 20H,A SETB TR0 。定時啟動器 T0 DYC: CALL YC 。調用延遲程序 INC 30H 。指向下一個歌曲數(shù)據(jù) JMP SAOMIAO JIES: CLR TR0 JMP START0 TIM0: PUSH ACC。定時器 T0 中斷程序 PUSH PSW MOV TL0,20H MOV THO,21H CPL POP PSW POP ACC RET1 YC: MOV R7,＃ 02 。延遲程序 D2: MOV R4,＃ 125 D3: MOV R3,＃ 248 DJNZ R3,$ DJNZ R4,D3 DJNZ R7,D2 DJNZ R5,YC RET TABLE0: DW 64260,64400,64524,64580 DW 64684,64777,64820,64898 DW 64968,65030,65058,65110 DW 65157,65178,65217 TABLE00: DW 64260,64400,64524,64580 DW 64684,64777,64820,64898 DW 64968,65030,65058,65110 DW 65157,65178,65217 TABLE1: 。生日快樂 DB 82H,01H,81H,94H,84H 東華理工大學長江學院畢業(yè)設計 附錄 29 DB 0B4H,0A4H,04H DB 82H,01H,81H,94H,84H DB 0C4H,0B4H,04H DB 82H,01H,81H,0F4H,0D4H DB 0B4H,0A4H,94H DB 0E2H,01H,0E1H,0D4H,0B4H DB 0C4H,0B4H,04H DB 82H,01H,81H,94H,84H DB 0B4H,0A4H,04H DB 82H,01H,81H,94H,84H DB 0C4H,0B4H,04H DB 82H,01H,81H,0F4H,0D4H DB 0B4H,0A4H,94H DB 0E2H,01H,0E1H,0D4H,0B4H DB 0C4H,0B4H,04H TABLE2: ?？刀ㄇ楦? DB 34H,52H,63H,62H,52H,64H,32H,28H DB 33H,32H,52H,63H,62H,52H,63H,32H,37H DB 34H,52H,63H,62H,52H,63H,32H,28H DB 53H,52H,32H,22H,32H,22H,12H,24H,98H DB 93H,22H,28H,53H,32H,38H,22H,12H,98H,53H,52H,32H,22H,32H,22H, 12H,23H,98H DB 93H,22H,28H,53H,32H,38H,23H,12H,98H,53H,52H,32H,22H,32H,22H, 12H,22H,65H TABLE3:。精忠報國 DB 66H,52H,36H,22H,12H,12H,22H,32H,98H,84H,82H,92H,14H,12H,22H DB 32H,52H,22H,42H,38H,66H,52H,36H,22H,12H,22H,22H,32H,98H DB 24H,22H,32H,54H,52H,32H,92H,12H,92H,82H,98H,66H,52H,36H,22H DB 12H,12H,22H,32H,98H,84H,82H,92H,14H,12H,22H,32H,52H,22H,42H, 38H DB 66H,52H,36H,22H,12H,22H,22H,32H,98H,24H,22H,32H,54H,52H,32H DB 22H,12H,92H,82H,98H,14H,24H,34H,44H,64H,0B4H,64H,32H,52H DB 62H,0B2H,62H,52H,38H,24H,22H,32H,54H,52H,62H,52H,32H,32H, 22H,38H DB 64H,0B4H,64H,32H,52H,62H,0B2H,62H,52H,38H,22H,22H,22H, 32H,52H,52H DB 52H,62H,7FH,74H,04H,58H,6FH TABLE4: 。同一首歌 DB 88H,14H,24H,36H,42H,34H,14H,28H,14H,94H 東華理工大學長江學院畢業(yè)設計 附錄 30 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 TABLE5:。大海 DB 82H,92H,12H,14H,12H,14H,92H,82H,12H,14H,22H,14H,92H,12H,22H, 24H DB 22H,24H,12H,92H,22H,24H,32H,24H,32H,52H,62H,54H,52H,64H,52H, 32H DB 22H,32H,22H,12H,94H,82H,92H,12H,14H,12H,14H,94H,1CH DB 82H,92H,12H,14H,12H,14H,92H,82H,12H,14H,22H,14H,92H,12H,22H, 24H DB 22H,24H,12H,92H,22H,24H,32H,24H,32H,52H,62H,54H,52H,64H,52H, 32H DB 22H,32H,22H,12H,94H,82H,92H,12H,14H,12H,14H,22H,12H,1CH,32H, 52H DB 62H,64H,62H,64H,0B2H,62H,52H,54H,62H,54H,32H,22H DB 12H,14H,12H,14H,24H,3CH,32H,22H,12H,14H,12H,14H,0B2H,62H, 52H,54H,62H,54H,32H,52H DB 66H,0B2H,0B4H,62H,52H,5CH,32H,52H,62H,64H,62H,64H,0B2H,62H, 52H,54H DB 62H,54H,32H,22H,12H,14H,12H,14H,54H,3CH,32H,22H,12H,14H,12H, 14H,22H,32H DB 52H,54H,32H,54H,32H,52H,6FH,04H,02H,92H,32H,24H,12H,1FH DB OO END 東華理工大學長江學院畢業(yè)設計 附錄 31 附錄三 流水燈程序： ORG 0000H AJMP MAIN MAIN: NOP NOP MOV A,＃ 0FFH 。送數(shù)據(jù)初值 MOV P1,A MOV A,＃ FEH。數(shù)據(jù)送 P1 口點亮發(fā)光二極管 ACALL YC 。延時 MOV R3,＃ 07H 。設置左移 7 次 LOOP: RL A 。左移一位 MOV P1,A 。數(shù)據(jù)送 P1 口點亮發(fā)光二極管 ACALL YC 。延時 DJNZ R3,LOOP 。R3 是否為 0，不為 0 轉 LOOP 繼續(xù)執(zhí)行 AJMP MAIN 。返回主程序循環(huán)值 YC:MOV R4,＃ 01H；延遲程序 DL1： MOV R5,＃ 8EH DL0： MOV R6,＃ 02H DJNZ R6,$ DJNZ R5,DL0 DJNZ R5,DL1 RET END 東華理工大學長江學院畢業(yè)設計 附錄 32 附錄四 音樂流水燈程序： ORG 0000H JMP START ORG 000BH JMP TIM0 ORG 001BH ORG TIM1 START: MOV TMOD,11H MOV IE,8AH CLR TR0 CLR TR1 SETB PT0 CLR PT1 MOV P2,0FFH MOV A,P2 MOV P2,0FFH NOP ANL A,00H 。從第一首 音樂開始播放 MOV 40H,A JB ,$。 為起始信號 片選信號 START0:MOV 30H,＃ 00H SAOMIAO:MOV A,40H JNB ,YY1。由按鍵控制直接跳轉到音樂 1 JNB ,YY2。由按鍵控制直接跳轉到音樂 2 JNB ,YY3。由按鍵控制直接跳轉到音樂 3 JNB ,YY4。由按鍵控制直接跳轉到音樂 4 JNB ,YY5。由按鍵控制直接跳轉到音樂 5 MOV DPTR,＃ TABLE1 。從音樂 1 開始演奏 JMP CON YY1: 。MOV A,P3 。CJNE A,＃ 0FDH,YY2 MOV DPTR,＃ TABLE1 。演奏音樂 2 JMP CON YY2: 。MOV A,P3 。CJNE A,＃ 0FBH,YY3 MOV DPTR,＃ TABLE2 。演奏音樂 3 東華理工大學長江學院畢業(yè)設計 附錄 33 JMP CON YY3: 。MOV A,P3 。CJNE A,＃ 0F7H,YY4 MOV DPTR,＃ TABLE3 。演奏音樂 4 JMP CON YY4: 。MOV A,P3 。CJNE A,＃ 0EFH,YY5 MOV DPTR,＃ TABLE4 。演奏音樂 5 JMP CON YY5: 。MOV A,P3 。CJNE A,＃ 0DFH,BBF MOV DPTR,＃ TABLE5 JUM CON CON: SETB MOV A,30H 。歌曲數(shù)據(jù)查表 MOVC A,@A+DPTR MOV R2,A JZ JIES ANL A,＃ 0FH。算節(jié)拍 MOV R5,A MOV A,R2 SWAP A ANL A,＃ 0FH 。算出音調值 JNZ SING CLR TR0 JMP D1 SING: MOV 50H,A MOV A,40H CJNE A,＃ 00H,MODE1 MO