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標題: 51單片機音樂-祝你平安 [打印本頁]

作者: 123額成為其實現 時間: 2017-8-22 07:59
標題: 51單片機音樂-祝你平安
51音樂
#include "reg52.h"
unsigned char Count;
sbit _Speak =P1^5 ;
unsigned char code SONG[] ={    //祝你平安
0x18, 0x30, 0x1C , 0x10, //格式為: 頻率常數, 節拍常數, 頻率常數, 節拍常數,
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++; //長度加1
}

/*-------------------------------------------------
功能:1MS延時子程序
-------------------------------------------------*/
void Delay_xMs(unsigned int x)
{
unsigned int i,j;
for( i =0;i < x;i++ )
{
      for( j =0;j<3;j++ );
}
}

void Play_Song(unsigned char i)
{
unsigned char Temp1,Temp2;
unsigned int 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;
   }
   }
   }
}
}
/*-------------------------------------------------
功能:主程序
-------------------------------------------------*/
void main()
{
Time0_Init(); //定時器0中斷初始化
while(1)
{
  Play_Song(0);  //播放
}
}

作者: wcs1668 時間: 2019-8-12 22:47
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