#define uchar unsigned char
#define uint unsigned int
uchar Count;
sbit Speak =P1^2; //蜂鳴器器控制腳
/*以下數組是音符編碼*/
unsigned char code SONG[] ={ //祝妳平安
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,
//路邊的野華不要采
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,
};
/********************************************************************
* 名稱 : Time0_Init()
* 功能 : 定時器的初始化，定時時間可用光碟中軟件計算，11.0592MZ晶振，10ms
* 輸入 : 無
* 輸出 : 無
***********************************************************************/
void Time0_Init()
{
TMOD = 0x01;
IE = 0x82;
TH0 = 0xDC;
TL0 = 0x00;
}
/********************************************************************
* 名稱 : Time0_Int()
* 功能 : 定時器中斷，中斷中實現 Count 加壹
* 輸入 : 無
* 輸出 : 無
***********************************************************************/
void Time0_Int() interrupt 1
{
TH0 = 0xDC;
TL0 = 0x00;
Count++; //長度加1
}
/********************************************************************
* 名稱 : Delay_xMs()
* 功能 : 延時子程序，經過軟件調試，測得延時程序大概為55us.
* 輸入 : x
* 輸出 : 無
***********************************************************************/
void Delay_xMs(uint x)
{
uint i,j;
for(i=0; i<x; i++)
{
for(j=0; j<3; j++);
}
}
/********************************************************************
* 名稱 : Play_Song()
* 功能 : 播放蜂鳴器控制程序
* 輸入 : i (選擇播放哪首歌曲，0為“祝妳平安”，1為“路邊的野花妳不要采”
* 輸出 : 無
***********************************************************************/
void Play_Song(uchar i)
{
uchar Temp1,Temp2;
uint Addr;
Count = 0; //中斷計數器清0
Addr = i * 217;
while(1)
{
Temp1 = SONG[Addr++];
if (Temp1 == 0xFF) //休止符
{
TR0 = 0;
Delay_xMs(100);
}
else if (Temp1 == 0x00) //歌曲結束符
{
return;
}
else
{
Temp2 = SONG[Addr++];
TR0 = 1;
while(1)
{
Speak = ~Speak;
Delay_xMs(Temp1);
if(Temp2 == Count)
{
Count = 0;
break;
}
}
}
}
}
/********************************************************************
* 名稱 : Main()
* 功能 : 主函數
* 輸入 : 無
* 輸出 : 無
***********************************************************************/
void Main()
{
Time0_Init(); //定時器0中斷初始化
while(1)
{
Play_Song(0); //Play_Song(0)為祝妳平安 Play_Song(1)為路邊的野花妳不要裁
}
}