生日快乐歌单片机C语言程序

ID:116726 · 发表于 2016-4-26 10:23

#include <reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit BEEP=P2^3;//接喇叭或蜂鸣器的接口
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}; //歌谱 2个一组(0,0)(音调,节拍)
void init () //初始化
{
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 //定时器0
{
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;
}

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ID:116400 · 发表于 2016-4-26 12:47

谢谢楼主的分享

ID:116400 · 发表于 2016-4-26 12:48

谢谢楼主

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