/*------------------------------------------------*/
includeltreg52.h //包含头文件，一般情况不需要改动?
//头文件包含特殊功能寄存器的定义
/*------------------------------------------------
硬件端口定义
------------------------------------------------*/
sbit SPK=P1^2 //定义音乐输出端口
unsigned char Timer0_H,Timer0_L,Time
//世上只有妈妈好数据表
code unsigned char MUSIC[]={ 6,2,3,5,2,1, 3,2,2,5,2,2,1,3,2,6,2,1,5,2,1,
6,2,4, 3,2,2, 5,2,1,6,2,1,5,2,2, 3,2,2,1,2,1,
6,1,1, 5,2,1, 3,2,1, 2,2,4,2,2,3, 3,2,1,5,2,2,
5,2,1, 6,2,1, 3,2,2, 2,2,2,1,2,4, 5,2,3,3,2,1,
2,2,1, 1,2,1, 6,1,1, 1,2,1,5,1,6, 0,0,0
}
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 定时器低八位
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,
}
/*------------------------------------------------
uS延时函数，含有输入参数 unsigned char t，无返回值
unsigned char 是定义无符号字符变量，其值的范围是
0~255 这里使用晶振12M，精确延时请使用汇编,大致延时
长度如下 T=tx2+5 uS
------------------------------------------------*/
void DelayUs2x(unsigned char t)
{
while(--t)
}
/*------------------------------------------------
mS延时函数，含有输入参数 unsigned char t，无返回值
unsigned char 是定义无符号字符变量，其值的范围是
0~255 这里使用晶振12M，精确延时请使用汇编
------------------------------------------------*/
void DelayMs(unsigned char t)
{
while(t--)
{
//大致延时1mS
DelayUs2x(245)
DelayUs2x(245)
}
}
/*------------------------------------------------
节拍延时函数
各调1/4节拍时间：
调4/4 125ms
调2/4 250ms
调3/4 187ms
------------------------------------------------*/
void delay(unsigned char t)
{
unsigned char i
for(i=0iltti++)
DelayMs(250)
TR0=0
}
/*------------------------------------------------
定时器0中断
------------------------------------------------*/
void TIM0_ISR() interrupt 1
{
TR0=0
SPK=!SPK
TH0=Timer0_H
TL0=Timer0_L
TR0=1
}
/*------------------------------------------------
歌曲处理函数
------------------------------------------------*/
void Song()
{
TH0=Timer0_H//赋值定时器时间，决定频率
TL0=Timer0_L
TR0=1 //打开定时器
delay(Time)//延时所需要的节拍
}
/*------------------------------------------------
主函数
------------------------------------------------*/
void main(void)
{
unsigned char k,i
TMOD=0x01//置定时器0工作方式1
EA=1 //打开全局中断
ET0=1 //打开定时0中断
while(1)
{
i=0
while(ilt100)
{ //音乐数组长度 ，唱完从头再来
k=MUSIC[i]+7*MUSIC[i+1]-1//去音符振荡频率所需数据
Timer0_H=FREQH[k]
Timer0_L=FREQL[k]
Time=MUSIC[i+2] //节拍时长
i=i+3
Song()
}
}
}
#include "reg52.h"unsigned char Count
sbit _Speak =P2^3 //讯响器控制脚
unsigned char code SONG[] ={ //祝你平安
0x26,0x20,0x20,0x20,0x20,0x20,0x26,0x10,0x20,0x10,0x20,0x80,0x26,0x20,0x30,0x20,
0x30,0x20,0x39,0x10,0x30,0x10,0x30,0x80,0x26,0x20,0x20,0x20,0x20,0x20,0x1c,0x20,
0x20,0x80,0x2b,0x20,0x26,0x20,0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x80,0x26,0x20,
0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x60,0x40,0x10,0x39,0x10,0x26,0x20,
0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x80,0x26,0x20,0x2b,0x10,0x2b,0x10,
0x2b,0x20,0x30,0x10,0x39,0x10,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x20,
0x20,0x10,0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x18,0x20,0x18,0x20,0x26,0x20,
0x20,0x20,0x20,0x40,0x26,0x20,0x2b,0x20,0x30,0x20,0x30,0x20,0x1c,0x20,0x20,0x20,
0x20,0x80,0x1c,0x20,0x1c,0x20,0x1c,0x20,0x30,0x20,0x30,0x60,0x39,0x10,0x30,0x10,
0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x10,0x26,0x10,0x26,0x10,0x2b,0x10,0x2b,0x80,
0x18,0x20,0x18,0x20,0x26,0x20,0x20,0x20,0x20,0x60,0x26,0x10,0x2b,0x20,0x30,0x20,
0x30,0x20,0x1c,0x20,0x20,0x20,0x20,0x80,0x26,0x20,0x30,0x10,0x30,0x10,0x30,0x20,
0x39,0x20,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x10,0x40,0x10,0x20,0x10,
0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x00,
//路边的野华不要采
0x30,0x1C,0x10,0x20,0x40,0x1C,0x10,0x18,0x10,0x20,0x10,0x1C,0x10,0x18,0x40,0x1C,
0x20,0x20,0x20,0x1C,0x20,0x18,0x20,0x20,0x80,0xFF,0x20,0x30,0x1C,0x10,0x18,0x20,
0x15,0x20,0x1C,0x20,0x20,0x20,0x26,0x40,0x20,0x20,0x2B,0x20,0x26,0x20,0x20,0x20,
0x30,0x80,0xFF,0x20,0x20,0x1C,0x10,0x18,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,
0x20,0x2B,0x40,0x20,0x20,0x1C,0x10,0x18,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,
0x20,0x2B,0x40,0x20,0x30,0x1C,0x10,0x18,0x20,0x15,0x20,0x1C,0x20,0x20,0x20,0x26,
0x40,0x20,0x20,0x2B,0x20,0x26,0x20,0x20,0x20,0x30,0x80,0x20,0x30,0x1C,0x10,0x20,
0x10,0x1C,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,0x15,0x1F,
0x05,0x20,0x10,0x1C,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,
0x30,0x1C,0x10,0x18,0x20,0x15,0x20,0x1C,0x20,0x20,0x20,0x26,0x40,0x20,0x20,0x2B,
0x20,0x26,0x20,0x20,0x20,0x30,0x30,0x20,0x30,0x1C,0x10,0x18,0x40,0x1C,0x20,0x20,
0x20,0x26,0x40,0x13,0x60,0x18,0x20,0x15,0x40,0x13,0x40,0x18,0x80,0x00,
}
void Time0_Init()
{
TMOD = 0x01
IE = 0x82
TH0 = 0xD8
TL0 = 0xEF //12MZ晶振，10ms
}
void Time0_Int() interrupt 1
{
TH0 = 0xD8
TL0 = 0xEF
Count++ //长度加1
}
/*-------------------------------------------------
功能:1MS延时子程序
-------------------------------------------------*/
void Delay_xMs(unsigned int x)
{
unsigned int i,j
for( i =0i <xi++ )
{
for( j =0j<3j++ )
}
}
/*-------------------------------------------------
功能:歌曲播放子程序i为播放哪一段曲目
-------------------------------------------------*/
void Play_Song(unsigned char i)
{
unsigned char Temp1,Temp2
unsigned int Addr
Count = 0 //中断计数器清0
Addr = i * 217
while(1)
{
Temp1 = SONG[Addr++]
if ( Temp1 == 0xFF ) //休止符
{
TR0 = 0
Delay_xMs(100)
}
else if ( Temp1 == 0x00 ) //歌曲结束符
{
return
}
else
{
Temp2 = SONG[Addr++]
TR0 = 1
while(1)
{
_Speak = ~_Speak
Delay_xMs(Temp1)
if ( Temp2 == Count )
{
Count = 0
break
}
}
}
}
}
/*-------------------------------------------------
功能:主程序
-------------------------------------------------*/
void main()
{
Time0_Init() //定时器0中断初始化
while(1)
{
Play_Song(0) //播放
}
}
主程序有问题,不是一个无限循环main()
{TMOD=0x11//设置定时器状态
IE=0x8a//启用TIMER0和1的中断
while(1)
{ for(i=0i<15){
tone_H=(65536-tone[song[i]])/256//读取音阶定时量的高八位
tone_L=(65536-tone[song[i]])%256//读取音阶定时量的低八位
TH0=tone_H//填入音阶定时量的高八位
TL0=tone_L//填入音阶定时量的低八位
times=beat[i]//读取节拍的重复次数
TH1=beat_H//填入节拍定时量的高八位
TL1=beat_L//填入节拍定时量的低八位
beat_flag=0//设定节拍标志位
TR0=1//启动Timer0
TR1=1//启动Timer1
while(beat_flag==0)//停止
i++//下一个音
}
}//循环结束
}//主程序结束
