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標(biāo)題: 51單片機(jī)蜂鳴器唱歌 [打印本頁(yè)]

作者: 一只小綿羊 時(shí)間: 2021-7-19 14:57
標(biāo)題: 51單片機(jī)蜂鳴器唱歌
/********************************************************************
* 文件名  ：蜂鳴器唱歌.c
* 描述 :  該程序?qū)崿F(xiàn)控制蜂鳴器演奏音樂(lè)。
將跳線把IN5與P1.2連接

***********************************************************************/
#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(shù)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(chēng) : Time0_Init()
* 功能 : 定時(shí)器的初始化，定時(shí)時(shí)間可用光碟中軟件計(jì)算，11.0592MZ晶振，10ms
* 輸入 : 無(wú)
* 輸出 : 無(wú)
***********************************************************************/
void Time0_Init()
{
TMOD = 0x01;
IE    = 0x82;
TH0  = 0xDC;
TL0  = 0x00;
}

/********************************************************************
* 名稱(chēng) : Time0_Int()
* 功能 : 定時(shí)器中斷，中斷中實(shí)現(xiàn) Count 加一
* 輸入 : 無(wú)
* 輸出 : 無(wú)
***********************************************************************/
void Time0_Int() interrupt 1
{
TH0 = 0xDC;
TL0 = 0x00;
Count++; //長(zhǎng)度加1
}

/********************************************************************
* 名稱(chēng) : Delay_xMs()
* 功能 : 延時(shí)子程序，經(jīng)過(guò)軟件調(diào)試，測(cè)得延時(shí)程序大概為55us.
* 輸入 : x
* 輸出 : 無(wú)
***********************************************************************/
void Delay_xMs(uint x)
{
uint i,j;
for(i=0; i<x; i++)
{
      for(j=0; j<3; j++);
}
}

/********************************************************************
* 名稱(chēng) : 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(wú)
***********************************************************************/
void Play_Song(uchar i)
{
uchar Temp1,Temp2;
uint Addr;
Count = 0; //中斷計(jì)數(shù)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(jié)束符
      {
        return;
      }
      else
      {
        Temp2 = SONG[Addr++];
        TR0 = 1;
      while(1)
      {
        Speak = ~Speak;
        Delay_xMs(Temp1);
        if(Temp2 == Count)
        {
        Count = 0;
        break;
        }
        }
      }
}
}
/********************************************************************
* 名稱(chēng) : Main()
* 功能 : 主函數(shù)
* 輸入 : 無(wú)
* 輸出 : 無(wú)
***********************************************************************/
void Main()
{
Time0_Init(); //定時(shí)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
}
}

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