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標題: c51單片機音樂程序 [打印本頁]

作者: 賈丁丁 時間: 2021-12-8 11:23
標題: c51單片機音樂程序
#include<reg52.h>
#define uchar unsigned char
#define uint  unsigned int
uchar Count;

sbit Speak =P1^3;                               //蜂鳴器器控制腳　
/*以下數組是音符編碼*/
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 加一
* 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“祝你平安”，1為“路邊的野花你不要采”
* 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)為祝你平安 Play_Song(1)為路邊的野花你不要裁
      }
}

作者: cxy822 時間: 2024-1-10 23:15
受教啦，試一下去

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