song.c

单片机的蜂鸣器音乐设计 可以让蜂鸣器唱歌

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit speak=P2^3;
bit flag;
uchar count;
uchar code song[] ={
0x26,0x20,0x20,0x20,0x20,0x20,0x26,0x10,0x20,0x10,0x20,0x80,0x26,0x20,0x30,0x20,
0x30,0x20,0x39,0x10,0x30,0x10,0x30,0x80,0x26,0x20,0x20,0x20,0x20,0x20,0x1c,0x20,
0x20,0x80,0x2b,0x20,0x26,0x20,0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x80,0x26,0x20,
0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x60,0x40,0x10,0x39,0x10,0x26,0x20,
0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x80,0x26,0x20,0x2b,0x10,0x2b,0x10,
0x2b,0x20,0x30,0x10,0x39,0x10,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x20,
0x20,0x10,0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x18,0x20,0x18,0x20,0x26,0x20,
0x20,0x20,0x20,0x40,0x26,0x20,0x2b,0x20,0x30,0x20,0x30,0x20,0x1c,0x20,0x20,0x20,
0x20,0x80,0x1c,0x20,0x1c,0x20,0x1c,0x20,0x30,0x20,0x30,0x60,0x39,0x10,0x30,0x10,
0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x10,0x26,0x10,0x26,0x10,0x2b,0x10,0x2b,0x80,
0x18,0x20,0x18,0x20,0x26,0x20,0x20,0x20,0x20,0x60,0x26,0x10,0x2b,0x20,0x30,0x20,
0x30,0x20,0x1c,0x20,0x20,0x20,0x20,0x80,0x26,0x20,0x30,0x10,0x30,0x10,0x30,0x20,
0x39,0x20,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x10,0x40,0x10,0x20,0x10,
0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x00};

void playing();
void delay(uint z);
void intc();
void main()
{     
     intc();           
     while(1)
     {
          playing();
          if(flag)
          {while(1);}                         
     }                
}
void intc()
{
     TMOD=0x01;
     IE= 0x82;
     TH0= 0xD8;
     TL0= 0xEF;
}
void delay(uint z)
{
     uint i,j;
     for(i=z;i>0;i--)
        for(j=2;j>0;j--);
}
void playing()
{
        uchar temp1,temp2;
        uint add;
        count=0;
        temp1=song[add++];
        if(temp1==0x00)
        {flag=1;TR0=0;}
        else
        {
            TR0=1;
            temp2=song[add++];
            while(1)
            {
                  speak=~speak;               
                  delay(temp1);
                  if(count==temp1)
                  {
                       count=0;
                       break;
                  }
            }
        }
}
void T0_srv() interrupt 1
{
	TH0  = 0xD8;
	TL0  = 0xEF;
      count++;
}