基于at89s52單片機的電子琴設(shè)計畢業(yè)論文-資料下載頁
2025-06-18 15:18本頁面
【正文】 0x52,0x42, 0x58,0x02,0x42,0x52,0x42, 0x38,0x04,0x12,0x32, 0x44,0x42,0x52,0x42,0x32,0x12,0x32, 0x48,0x04,0x52,0x42, 0x58,0x02,0x42,0x52,0x42, 0x38,0x04,0x12,0x32, 0x44,0x42,0x52,0x42,0x32,0x12,0x11,0x31, 0xC8,0x04,0x52,0x72, 0x78,0x02,0x72,0x82,0x72, 0x58,0x04,0x42,0x42, 0x44,0x42,0x52,0x42,0x32,0x12,0x12, 0x32,0x32,0x3C, 0x09,0x72,0x72,0x82, 0xA2,0x92,0x92,0x82,0x52,0x42,0x42,0x42, 0x58,0x02,0x52,0x52,0x72, 0x84,0x84,0x02,0x12,0x52,0x42, 0x48,0x04,0x52,0x72, 0x72,0x52,0x74,0x02,0xA4,0x92, 0x82,0x92,0x54,0x02,0x82,0x82,0x92, 0x82,0x72,0x52,0x42,0x02,0xC4,0x12, 0x3C, 0xFF}。unsigned char code song4[37]={0xC4,0x12,0x32,0x44,0x42,0x52, 0x52,0x44,0x32,0x32,0x12,0x14, 0x12,0x12,0x32,0x42,0x54,0x44, 0x4F, 0xC4,0x12,0x32,0x44,0x42,0x72, 0x58,0x42,0x32,0x34, 0x14,0x12,0x32,0x34,0x32,0x12, 0x1F, 0xFF}。void main(){ TMOD=0x01。 IE=0x82。 while(1) {start: j=0。 m=0。 while(m==0) {if(Y1==0) { song=song1。 m=1。 } if(Y2==0) { song=song2。 m=1。 } if(Y3==0) { song=song3。 m=1。 } if(Y4==0) { song=song4。 m=1。 } } for(i=0。i5。i++) { delay()。 } p11=P1。 p33=P3。 while(*(song+j)!=0xFF) { k=*(song+j)amp。0x0F。 l=*(song+j)4。 if((p11!=P1)||((p33amp。0x0f)!=(P3amp。0x0f))) { goto start。 } TH0=yin[2*l]。 TL0=yin[2*l+1]。 TR0=1。 if ((yin[2*l]==0xff)amp。amp。(yin[2*l+1]==0xff)) { TR0=0。 } for(i=k。i0。i) { delay()。 } TR0=0。 j++。 }}}/*每個音符的發(fā)聲*/void timer0() interrupt 1 using 1 { TH0=yin[2*l]。 TL0=yin[2*l+1]。 SPK = !SPK。 }/*延時1/4拍時間即187ms*/void delay(void){ pragma ASM MOV R7,02 D1: MOV R4,125 D2: MOV R3,248 DJNZ R3,$ DJNZ R4,D2 DJNZ R7,D1 pragma ENDASM
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