beepu.cpp

驱动电脑内的蜂鸣器程序

//---------------------------------------------------------------------------
#include <Windows.h>
#include <vcl.h>
#pragma hdrstop

#include "BeepU.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
#include <iostream>
using namespace std;
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
    : TForm(Owner)
{
}
//---------------------------------------------------------------------------
//BOOL Beep(DWORD dwFreq, DWORD dwDuration);说明:该函数激活系统的蜂鸣声。用于使机器上的那个喇叭发声。
//第一个指定发声的频率，人耳能听到的在20--22000Hz左右。
//你也可以设置为其他的值，比如有的电子驱蚊器就是这样的。
//第二个指定发声持续的时间，用ms计数。
//用法:蜂鸣声可以用来提醒用户的注意。
//例如,当用户选择了错误响应时发出蜂鸣声。
//---------------------------------------------------------------------------

void __fastcall TForm1::Button1Click(TObject *Sender)
{
    Beep(1223,1000) ;
}
//---------------------------------------------------------------------------
//比较经典的例子（用喇叭演唱《童话》）：
void __fastcall TForm1::Button2Click(TObject *Sender)
{
//    int main ()
//    {
        int n,m,t;
        t = 240;
        cout<<"电脑主机箱里的小喇叭，除了开机时“嘀”一下外，还能做什么？" <<endl;
        cout<<"请输入一个正整数"<<endl;
        cin>>n;
        if(n>0)
        {
            Beep(262, 2*t);  Beep(349, 2*t);  Beep(330, 2*t);Beep(349,4*t);
            Beep(262,4*t); Beep(262,t); Beep(0,t); Beep(262, 2*t);  Beep(349, 2*t);
            Beep(330, 2*t);Beep(349,4*t);  Beep(262,4*t); Beep(262,t); Beep(0,t);
            Beep(262, 2*t);  Beep(349, 2*t);  Beep(330, 2*t);Beep(349,4*t);
            Beep(349,t ); Beep(0,t); Beep(349, 2*t);  Beep(349, 2*t);  Beep(294, 2*t);
            Beep(294, 2*t); Beep(262,12*t); Beep(262, 2*t);  Beep(349, 2*t);
            Beep(330, 2*t);Beep(349,4*t);  Beep(262,2*t);  Beep(262,t); Beep(0,t);
            Beep(262, 2*t);  Beep(440, 3*t); Beep(392,t); Beep(392,4*t); Beep(349,5*t);
            Beep(0,t); Beep(262, 2*t);  Beep(349, 2*t);  Beep(330, 2*t);Beep(349, 2*t);
            Beep(294,4*t); Beep(294, 2*t);  Beep(294, 2*t);  Beep(349, 2*t);
            Beep(587,2*t);  Beep(523,12*t); Beep(392, 2*t);  Beep(392, 2*t);
            Beep(494, 2*t); Beep(494, 2*t); Beep(440, 2*t); Beep(440,5*t); Beep(0,t);
            Beep(440, 2*t); Beep(440, 2*t); Beep(330, 2*t);Beep(392,2*t);
            Beep(349, 2*t);  Beep(349, 2*t);  Beep(330,t);  Beep(349,3*t);
            Beep(349, 2*t);  Beep(330, 2*t);Beep(349, 2*t);  Beep(494,5*t);
            Beep(0,t); Beep(262, 2*t);  Beep(523,2*t);  Beep(494, 2*t); Beep(440, 2*t);
            Beep(392,12*t);  Beep(392, 2*t);  Beep(392, 2*t);  Beep(494,2*t);
            Beep(494, 2*t); Beep(440, 2*t); Beep(440,5*t); Beep(0,t); Beep(440, 2*t);
            Beep(440,2*t); Beep(698,2*t);  Beep(659, 2*t);Beep(587, 2*t);
            Beep(659, 2*t);Beep(698,4*t);  Beep(698,2*t);  Beep(392, 2*t);
            Beep(349, 2*t);  Beep(587,5*t);  Beep(0,t); Beep(587,2*t);
            Beep(587,2*t);  Beep(523,2*t);  Beep(523,2*t);  Beep(523,12*t);
            Beep(262, 2*t);  Beep(523,2*t);  Beep(494, 2*t); Beep(440,4*t);
            Beep(440, 2*t); Beep(494,t);   Beep(440,5*t);Beep(440, 2*t); Beep(494, 2*t);
            Beep(440, 2*t); Beep(494, 2*t); Beep(440, 2*t); Beep(392,t);Beep(349,3*t);
            Beep(349, 2*t);  Beep(440, 2*t); Beep(523,2*t);  Beep(587,4*t);
            Beep(587,2*t);  Beep(587,2*t);  Beep(523,2*t);  Beep(392, 2*t);
            Beep(392, 2*t);  Beep(494,2*t); Beep(440,5*t); Beep(349, 2*t);
            Beep(440, 2*t); Beep(523,2*t);  Beep(587,4*t); Beep(587,2*t);
            Beep(587,2*t);  Beep(523,2*t);  Beep(392, 2*t);  Beep(392, 2*t);
            Beep(494,2*t); Beep(440, 2*t); Beep(392,t); Beep(349,5*t); Beep(392, 2*t);
            Beep(440, 2*t); Beep(294,4*t); Beep(294, 2*t);  Beep(349, 2*t);
            Beep(349,4*t);  Beep(330, 2*t);Beep(349,7*t);
            cout<<"输入任意数值结束"<<endl;
            cin>>m;
        }
        else
        {
            cout<<"出错啦，让你输入的是一个正整数"<<endl;
            cout<<"输入任意数值结束"<<endl;
            cin>>m;
        }
//        return 0;
//    }
}
//---------------------------------------------------------------------------