/*編寫人：伍浩榮
8個(gè)按鍵發(fā)出8個(gè)基本音，
能播放內(nèi)置音樂，音樂跟隨燈光閃爍
版權(quán)所有，翻版必究
sfr P4=0xe8;//定義P4組I0口
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit speaker=P1^4;//喇叭接30腳
sbit key1=P4^4;//流水燈按鍵(暫時(shí))
sbit key2=P4^6;//播放音樂按鍵（暫定）
uchar a,b,num1,s1num,n1,n2;
char num;//定義num為可以負(fù)數(shù)
uchar code yinfu[]={0xfb,0xe9, //Do
0xfc,0x5c, //Re
0xfc,0xc1, //Mi
0xfc,0xef, //Fa
0xfd,0x45, //So
0xfd,0x92, //La
0xfd,0xd0, //Si
0xfd,0xee, //Do#
0x00,0x00, //間隔
};
uchar code shengri_tone[]={ 1,0,1,2,1,4,3,0, //生日快樂音調(diào)
1,0,1,2,1,5,4,0,
1,0,1,8,6,4,3,2,0,
7,0,7,6,4,5,4,0 //0代表不發(fā)聲，即停頓；數(shù)字即為音調(diào)
};
uchar code shengri_beat[]={ 24,1,24,48,48,48,72,5,//節(jié)拍
24,1,24,48,48,48,72,5,
24,1,24,48,48,48,48,72,5,
24,1,24,48,48,48,72,5 //節(jié)拍，即tone表各音調(diào)的延時(shí)
};
uchar code ledtable[]={0x7f,0xbf,0xdf,0xef, //取反
0xf7,0xfb,0xfd,0xfe};//P0組口的發(fā)光二極管代碼（焊接過程可能會(huì)相反，具體更改）
uchar code ledtable2[]={0x7f,0xbf,0xdf,0xef, //取反
0xf7,0xfb,0xfd,0xfe};//P2組口發(fā)光二極管代碼,相反！
void check_key();//改為P3組為按鍵
void keyscan();
void turn();//順時(shí)針流動(dòng)
void back();
void qianhou();
void dangshuang();
void delay(uint z);//延時(shí)函數(shù)聲明
void delay1(void);//聲明第二個(gè)延時(shí)函數(shù)
void play1(void);//播放生日快樂
void main()
{
s1num=0;//流水燈種類標(biāo)志
key1=1;
key2=1;
TMOD=0x01;
TH0=a;
TL0=b;
ET0=1;//打開定時(shí)器，但是未允許中斷
TR0=1;
while(1)
{
check_key();
keyscan();
}
}
void time0() interrupt 1
{
TH0=a;
TL0=b;
speaker=~speaker;
}
void check_key()
{
P3=0xff;//先賦給P2組口高電平
switch(P3)//按下一個(gè)鍵相應(yīng)4個(gè)燈亮
{
case 0xfe:P0=0xee;P2=0x77;a=0xfb;b=0xe9;EA=1;break;//P0,P2組為發(fā)光二極管組
case 0xfd:P0=0xdd;P2=0xbb;a=0xfc;b=0x5c;EA=1;break;//注意：EA不能改為TR0
case 0xfb:P0=0xbb;P2=0xdd;a=0xfc;b=0xc1;EA=1;break;
case 0xf7:P0=0x77;P2=0xee;a=0xfc;b=0xef;EA=1;break;
case 0xef:P0=0xee;P2=0x77;a=0xfd;b=0x45;EA=1;break;
case 0xdf:P0=0xdd;P2=0xbb;a=0xfd;b=0x92;EA=1;break;
case 0xbf:P0=0xbb;P2=0xdd;a=0xfd;b=0xd0;EA=1;break;
case 0x7f:P0=0x77;P2=0xee;a=0xfd;b=0xee;EA=1;break;
default:EA=0;speaker=0;//P0=0xff;P2=0xff ;
}
}
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void keyscan()
{
if(key1==0)
{
delay(5);
if(key1==0)
{
s1num++;
while(!key1);
if(s1num==1)
{
turn();
}
}
if(s1num==2)
{
back();
}
if(s1num==3)
{
qianhou();
}
if(s1num==4)
{
dangshuang();
}
if(s1num==5)
s1num=1;
}
if(key2==0)
{
delay(5);
while(~key2);
play1();
}
}
void delay1(void)//第二個(gè)延時(shí)函數(shù)
{
uchar n=15;
while(n--)
{
uchar i;
for(i=0;i<125;i++);
}
}
void play1(void)//播放生日快樂
{
uchar m=0;
uchar s;
uchar c=1;
P0=0xaa;
P2=0x55;
while(1)
{
EA=0;
c=shengri_tone[m]; //取音符
s=shengri_beat[m]; //取節(jié)拍
a=yinfu[2*c-2];
b=yinfu[2*c-1];
EA=1;
while(s--)
{
delay1();
P0=~P0;
P2=~P2;
}
m++;
if(m>=33) return; //數(shù)值是shengri相關(guān)表中的元素?cái)?shù)量
}
}
/*以下為N種流水燈流動(dòng)花式*/
void turn()//流水燈順時(shí)針走動(dòng)（5次）
{
for(num1=0;num1<8;num1++)
{
for(num=0;num<8;num++)
{
P0=ledtable[num];
delay(30);//時(shí)間暫定
}
P0=0xff;//之后關(guān)閉P1組
for(num=7;num>-1;num--)
{
P2=ledtable2[num];
delay(30);
}
P2=0xff;//之后關(guān)閉P2組
}
}
void back()//逆時(shí)針流動(dòng)
{
for(num1=0;num1<8;num1++)
{
for(num=0;num<8;num++)
{
P2=ledtable[num];
delay(30);
}
P2=0xff;
for(num=7;num>-1;num--)
{
P0=ledtable2[num];
delay(30);
}
P0=0xff;
}
}
void qianhou()//前后來回
{
for(num1=0;num1<10;num1++)
{
for(num=0;num<8;num++)
{
P0=ledtable[num];
P2=ledtable2[num];
delay(30);
}
P0=0xff;
P2=0xff;
for(num=7;num>-1;num--)
{
P0=ledtable[num];
P2=ledtable2[num];
delay(30);
}
P0=0xff;
P2=0xff;
}
}
void dangshuang()//單數(shù)雙數(shù)
{
for(num1=0;num1<15;num1++)
{
P0=0x55;
P2=0xaa;
delay(150);
P0=0xaa;
P2=0x55;
delay(150);
}
}