51单片机音乐彩灯

 

 

#include<reg51.h>
#include<intrins.h>
#define led_8 P0
sbit speaker=P2^7;
unsigned char code yp[]={70,70,63,70,53,56,70,70,63,
                                                                        70,47,53,70,70,35,42,53,56,
                                                                                63,39,39,42,53,47,53,-1};    //音谱表
unsigned int code yl[]={225,75,300,300,300,600,225,75,300,300,300,600,225,75,
                                                                300,300,300,300,300,475,75,300,300,300,600,-1};   //每个音对应的演奏长度
void ys(unsigned int x)
{
        while(x--);
}
void music()
{
        unsigned int m=0,n,s;
        led_8=0xff;
        whi