51单片机C语言演奏童话

1、51 单片机 C 语言演奏“童话”#include;sbit sound=P2A4;sbit led仁PM6;sbit led2=P1A7;unsigned char h,l,count,length;unsigned int t,f,i,j;unsigned intscale22=100,262,294,330,349,392,440,494,523,578,659,698,784,880,988,1046,1175,1318,1397,1568,1760,1976;bit flag=1;void setthl(unsigned int p)t=p*2;f=1000000/t;h=(6553

2、6-f)/256;l=(65536-f)%256;TH1=h;TL1=l;flag=1;TR1=1;time1() interrupt 3 using 1TH1=h;TL1=l;sound=sound;void timer0(void) interrupt 1TH0=0x9c;TL0=0x60;count+;if (count=length)flag=0;count=0;delay()length=10; flag=1; TR1=0; while(flag);TR1=1;note(unsigned char n,unsigned char len) setthl(scalen); length

3、=len; while (flag); led1=!led1; led2=!led2; song() note(5,15); note(12,15); note(11,15); note(10,30); note(10,15);note(11,8);note(10,38);note(10,15);note(11,15);note(10,15);note(11,15);n ote(10,15);note(9,8);note(8,8); delay();note(8,15);note(10,15);note(12,15);note(13,30);no te(13,15);note(13,8);no

4、te(12,23);note(9,15);note( 9,15);note(11,8);note(10,38);delay();note(8,15);note(10,15);note(12,15);note(13,30);no te(13,15);note(13,8);note(12,23);note(9,15);note(9,15);note(11,15);note(10,15);note(11,15);no te(10,15);note(9,8);note(8,38);note(9,15);note(9,8);note(10,7);note(6,30);note(6 ,15);note(8,15);note(8,15);note(7,15);note(7,30); note(8,30);(8,30);Delay(int i) int j;for(;i;0;i-)for(j=i;j;0;j-);main()while(1) count=0,length=0;TMOD=0x11;TH0=0x3c;TL0=0xb0;