shengrikuailege.zip_51播放生日歌_buzzer生日快乐

#include <reg52.h> #define uint unsigned int #define uchar unsigned char sbit BEEP=P1^2; uint h,i; uint hz; uchar jiep; bit flag; uint code fre[]={ 64400,64524,64580,64684,64777,64820,64898,64968,65030,65058,65110,65157,65178,65217}; uchar code song[]={6,9, 6,3, 7,12, 6,12, 9,12, 8,24, 6,9, 6,3, 7,12, 6,12, 10,12, 9,24, 6,9, 6,3, 13,12, 11,12, 8,12, 7,12, 12,9, 12,3, 11,12, 9,12, 10,12, 9,24}; void init () //??? { EA=1; TMOD=0x11; ET0=1; ET1=1; i=0; flag=1; } void sing() { if(flag==1) { h=song[i]; jiep=song[i+1]; i=i+2; if(i>46) i=0; hz=fre[h]; TH0=(hz)/256; TL0=(hz)%256; flag=0; TR0=1; TR1=1; } } void main() { init(); while(1) { sing(); } } void time0() interrupt 1 { TH0=(hz)/256; TL0=(hz)%256; if(!flag) BEEP=!BEEP; else TR0=0; } void time1() interrupt 3 { TH1=(15536)/256; TL1=(15536)%256; --jiep; if(jiep==0) flag=1; }