51单片机生日歌程序

ID:896241 · 发表于 2021-4-6 20:46

/*
*生日歌*
*/
#include <reg51.h>
typedef unsigned char uint8;
typedef unsigned int uint16;

sbit K1 = P1^0;
sbit BUZZER = P3^0;

code uint8 SONG_TONE[]=
{
      212,212,190,212,159,169,212,212,190,212,142,159,212,212,106,126,129,169,190,119,119,126,159,142,159,0
};
code uint8 SONG_LONG[]=
{
      9,3,12,12,12,24,9,3,12,12,12,24,9,3,12,12,12,12,12,9,3,12,12,12,24,0
};

void delay(uint16 x)
{
      uint16 i,j;
      for(i = x; i > 0; i --)
            for(j = 114; j > 0; j --);
}

void PlayMusic()
{
      uint16 i =0,j,k;
      while(SONG_LONG[ i]!=0||SONG_TONE[ i]!=0)
      {
               for(j=0;j<SONG_LONG[ i]*20;j++)
            {
                     BUZZER = ~BUZZER;
                     for(k=0;k<SONG_TONE[ i]/3;k++);
            }
            delay(10);
            i++;
      }
}

void main()
{
      P1 = 0xFF;
      while(1)
      {
            if(K1==1)
            {
                     PlayMusic();
                     delay(1000);
            }
      }
}

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