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标题: 实验23-播放一段音乐 [打印本页]

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作者: 张衍波    时间: 2015-5-5 16:26
标题: 实验23-播放一段音乐
#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int

sbit BEEP = P1^4;
uchar code 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
};
uchar code 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 DelayMS(uint ms)
{
        uchar t;
        while(ms--)
        {
                 for(t=0;t<120;t++);
        }
}

void PlayMusic()
{
        uint i =0,j,k;
        while(SONG_LONG!=0||SONG_TONE!=0)
        {
                 for(j=0;j<SONG_LONG*20;j++)
                {
                         BEEP = ~BEEP;
                        for(k=0;k<SONG_TONE/3;k++);
                }
                DelayMS(10);
                i++;
        }
}

void main()
{
        while(1)
        {
                 PlayMusic();
                DelayMS(500);
        }
}
[attach]2678[/attach]

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