单片机蜂鸣器响生日快乐编程程序

#include

#define uint unsigned int

#define uchar unsigned char

sbit speaker=P1^0; //学校给的学习板次了点，用两个I/O口控制蜂鸣器。不过大多数的学习板是一个I/O口控制。

sbit speaker1=P1^1; //如果你的板是一个I/O控制的，这行可以删掉。

uint k,i;

unsigned char timer0h,timer0l,time;

//生日歌

code unsigned char sszymmh[]={

5,1,1, 5,1,1, 6,1,2, 5,1,2, 1,2,2, 7,1,4,

5,1,1, 5,1,1, 6,1,2, 5,1,2, 2,2,2, 1,2,4,

5,1,1, 5,1,1, 5,2,2, 3,2,2, 1,2,2, 7,1,2, 6,1,2,

4,2,1, 4,2,1, 3,2,2, 1,2,2, 2,2,2, 1,2,4};

// 音阶频率表 高八位

code unsigned char FREQH[]={

0xF2,0xF3,0xF5,0xF5,0xF6,0xF7,0xF8,

0xF9,0xF9,0xFA,0xFA,0xFB,0xFB,0xFC,0xFC, //1,2,3,4,5,6,7,8,i

0xFC,0xFD,0xFD,0xFD,0xFD,0xFE,

0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFF,

} ;// 音阶频率表 低八位

code unsigned char FREQL[]={

0x42,0xC1,0x17,0xB6,0xD0,0xD1,0xB6,

0x21,0xE1,0x8C,0xD8,0x68,0xE9,0x5B,0x8F, //1,2,3,4,5,6,7,8,i

0xEE,0x44, 0x6B,0xB4,0xF4,0x2D,

0x47,0x77,0xA2,0xB6,0xDA,0xFA,0x16,

};

void delay(unsigned char t)

{

unsigned char t1;

unsigned long t2;

for(t1=0;t1<>

{

for(t2=0;t2<>

{

;

}

}

TR0=0;

}

void t0int() interrupt 1

{

TR0=0;

speaker=!speaker;

TH0=timer0h;

TL0=timer0l;

TR0=1;

}

void song()

{

TH0=timer0h;

TL0=timer0l;

TR0=1;

delay(time);

}

void main(void)

{

speaker1=0; //一个I/O控制的话这行也要删掉

//unsigned int k,i;

TMOD=1; //置CT0定时工作方式1

EA=1;

ET0=1;//IE=0x82 //CPU开中断,CT0开中断

while(1)

{

i=0;

while(i<>

{ //音乐数组长度 ，唱完从头再来

k=sszymmh[i]+7*sszymmh[i+1]-1;

timer0h=FREQH[k];

timer0l=FREQL[k];

time=sszymmh[i+2];

i=i+3;

song();

}

}

}

附上电路图：