rwdlg.cpp

并口控制、调试工具

             value=m_value;
            mth.InputBuffer.CharData =value;
			gCS.Unlock();
             mth.InputBuffer.PortNumber=m_port;
            mth.DataLength = sizeof(ULONG) +
                         sizeof(mth.InputBuffer.CharData);
    mth.IoctlResult = DeviceIoControl(
                        mth.hndFile,                // Handle to device
                        mth.IoctlCode,              // IO Control code for Write
                        &mth.InputBuffer,           // Buffer to driver.  Holds port & data.
                        mth.DataLength,             // Length of buffer in bytes.
                        NULL,                   // Buffer from driver.   Not used.
                        0,                      // Length of buffer in bytes.
                        &mth.ReturnedLength,        // Bytes placed in outbuf.  Should be 0.
                        NULL                    // NULL means wait till I/O completes.
                        );

UpdateData(FALSE);
 
	// TODO: Add your control notification handler code here
	
}

VOID CALLBACK timerAPCProc(
  LPVOID lpArgToCompletionRoutine,
  DWORD dwTimerLowValue,
  DWORD dwTimerHighValue           
                          )
 {
          
	         Cmethoda *mth;
			  
             mth=(Cmethoda *)(lpArgToCompletionRoutine);
           
                if(count==0)
				{
                         CloseHandle(
                                  *mth->htimer  // handle to object to close
                                     );
 
		
		 
				} 
     
		    //CancelWaitableTimer(
        //  HANDLE hTimer  // handle to a timer object
                 //);    
} 


UINT Setfqy(LPVOID pParam)
{


      CRwDlg * pdlg;
     pdlg=(CRwDlg *)AfxGetApp()->m_pMainWnd;
 
	  double fqy;
 fqy=pdlg->m_f;
if(fqy>10000||fqy<=0)
	 {
	CString str;
	str="频率不在0到10000Hz之间";
		AfxMessageBox(str);
     	return 0;
	 }   
    double n;
    n=(double)(1/(2*fqy));    


    Cmethoda mth;
//        mth.htimer=&htimer;
     mth.IoctlCode = IOCTL_GPD_WRITE_PORT_UCHAR;
mth.hndFile=pdlg->hndFile;
          mth.bit=0;
   mth.DataLength = sizeof(ULONG) +
                         sizeof(mth.InputBuffer.CharData);
         gCS.Lock();
          mth.m_bitcounta=pdlg->m_bitcount;
            mth.InputBuffer.PortNumber=pdlg->m_port;   
            gCS.Unlock();
LARGE_INTEGER lCnt1,lFr,lCnt2;
     double f1,f2;
		 double fTime=0;
	QueryPerformanceFrequency(&lFr);      //得到计数器的频率
           
	f2=lFr.QuadPart;
QueryPerformanceCounter(&lCnt1);   //起始记时
    while(count==1)
	{
//SwitchToThread();//防止线程占用100%的资源
	   if(fTime>n)
	   {
 QueryPerformanceCounter(&lCnt1);   //起始记时
           mth.not(&(mth.bit));       
              gCS.Lock();
//	AfxMessageBox("lai");
               mth.bitTOchar(&value, mth.m_bitcounta,mth.bit);
              mth.InputBuffer.CharData = value;
               
           mth.IoctlResult = DeviceIoControl(
                          mth.hndFile,                // Handle to device
                           mth.IoctlCode,              // IO Control code for Write
                        &(mth.InputBuffer),           // Buffer to driver.  Holds port & data.
                           mth.DataLength,             // Length of buffer in bytes.
                        NULL,                   // Buffer from driver.   Not used.
                        0,                      // Length of buffer in bytes.
                        &(mth.ReturnedLength),        // Bytes placed in outbuf.  Should be 0.
                        NULL 
						);// NULL means wait till I/O completes.
                       gCS.Unlock();
    
	   }
	   SwitchToThread();
	QueryPerformanceCounter(&lCnt2);
    SwitchToThread();
	f1=lCnt2.QuadPart-lCnt1.QuadPart;

	fTime=(double)(f1/f2);	//fTime就是所用的时间
        

	}
	pdlg->UpdateData(FALSE);
	return 0;
		
}
        


UINT Setbittime(LPVOID pParam)
{
     Cmethoda mth;
        
     mth.IoctlCode = IOCTL_GPD_WRITE_PORT_UCHAR;
      CRwDlg * pdlg;
     pdlg=(CRwDlg *)AfxGetApp()->m_pMainWnd;
	 
mth.hndFile=pdlg->hndFile;
          
   mth.DataLength = sizeof(ULONG) +
                         sizeof(mth.InputBuffer.CharData);
             
            gCS.Lock();
			  
          mth.m_bitcounta=pdlg->m_bitcount;
            mth.InputBuffer.PortNumber=pdlg->m_port;
            mth.bit=pdlg->m_bitvalue;
           gCS.Unlock();
			  
  

         int icount,icount1;
		 icount1=0;
		icount=1;

    double n;
    
   long n1;

    n=pdlg->m_t;
	if(n==0)
	{
		CString str1;
		str1="时间不能为零";
		AfxMessageBox(str1);
		return 0;
	}
   n1=(long)(n*1000-1);
      
		while(icount==1)
	{
    
	                     
              gCS.Lock();
			  
            mth.bitTOchar(&value, mth.m_bitcounta,mth.bit);
            mth.InputBuffer.CharData = value;
        mth.IoctlResult = DeviceIoControl(
                        mth.hndFile,                // Handle to device
                        mth.IoctlCode,              // IO Control code for Write
                        &mth.InputBuffer,           // Buffer to driver.  Holds port & data.
                        mth.DataLength,             // Length of buffer in bytes.
                        NULL,                   // Buffer from driver.   Not used.
                        0,                      // Length of buffer in bytes.
                        &mth.ReturnedLength,        // Bytes placed in outbuf.  Should be 0.
                        NULL                    // NULL means wait till I/O completes.
                        );
                   gCS.Unlock();
          
                mth.not(&mth.bit);				
				Sleep(n1);
              ++icount1;
          if(icount1==2)
	  {
 	pdlg->UpdateData(FALSE);
		  break;
	  }   
	      
	}
	pdlg->UpdateData(FALSE);
      return 0;
}



void CRwDlg::OnButton3() 
{
	UpdateData(TRUE);

	AfxBeginThread(Setbittime, this , THREAD_PRIORITY_HIGHEST);// TODO: Add your control notification handler code here
	
 UpdateData(FALSE);	// TODO: Add your control notification handler code here
	
}



void CRwDlg::OnButton4() 
{
UpdateData(TRUE);
	Cmethoda mth;

          mth.m_bitcounta=m_bitcount;
              mth.bit=m_bitvalue;
             mth.hndFile=hndFile;
         mth.bitTOchar(&value, mth.m_bitcounta,mth.bit);
         mth.IoctlCode = IOCTL_GPD_WRITE_PORT_UCHAR;
            mth.InputBuffer.CharData = value;
             mth.InputBuffer.PortNumber=m_port;
            mth.DataLength = sizeof(ULONG) +
                         sizeof(mth.InputBuffer.CharData);
    mth.IoctlResult = DeviceIoControl(
                        mth.hndFile,                // Handle to device
                        mth.IoctlCode,              // IO Control code for Write
                        &mth.InputBuffer,           // Buffer to driver.  Holds port & data.
                        mth.DataLength,             // Length of buffer in bytes.
                        NULL,                   // Buffer from driver.   Not used.
                        0,                      // Length of buffer in bytes.
                        &mth.ReturnedLength,        // Bytes placed in outbuf.  Should be 0.
                        NULL                    // NULL means wait till I/O completes.
                        );

 UpdateData(FALSE);
      
	// TODO: Add your control notification handler code here
		// TODO: Add your control notification handler code here
	
}

void CRwDlg::OnButton5() 
{
UpdateData(TRUE);
Cmethoda mth;
gCS.Lock();
m_bitvalue=mth.readbitfromchar(&value, m_bitcount);
gCS.Unlock();
UpdateData(FALSE);
	// TODO: Add your control notification handler code here
	
}

void CRwDlg::OnButton1() 
{
UpdateData(TRUE);

	gCS.Lock();
	count=1;
	gCS.Unlock();
	AfxBeginThread(Setfqy, this , THREAD_PRIORITY_NORMAL);	// TODO: Add your control notification handler code here
	
}

void CRwDlg::OnButton2() 
{
	gCS.Lock();
	count=0;
	gCS.Unlock();	
	 UpdateData(FALSE);	// TODO: Add your control notification handler code here
	
}