freqout.c

16 relay output channels and 16 isolated digital input channels LED indicators to show activated

           ErrCde = DRV_DeviceOpen(
           DeviceList[gwDevice].dwDeviceNum,
           (LONG far *)&DriverHandle);
        else
           ErrCde = DRV_DeviceOpen(
           SubDeviceList[gwSubDevice].dwDeviceNum,
           (LONG far *)&DriverHandle);
        
        if (ErrCde != SUCCESS)
        {
           strcpy(szErrMsg,"Device open error !");
           MessageBox(hDlg,(LPCSTR)szErrMsg,"Device Open",MB_OK);
           return 0;
        }
        
        
        //
        // get features
        //
        
        ptDevFeatures.buffer = (LPDEVFEATURES)&DevFeatures;
        ptDevFeatures.size = sizeof(DEVFEATURES);
        if ((ErrCde = DRV_DeviceGetFeatures(DriverHandle,
           (LPT_DeviceGetFeatures)&ptDevFeatures)) != SUCCESS)
        {
           DRV_GetErrorMessage(ErrCde,(LPSTR)szErrMsg);
           MessageBox(hDlg,(LPCSTR)szErrMsg,"Driver Message",MB_OK);
           DRV_DeviceClose((LONG far *)&DriverHandle);
           return 0;
        }

        dwBordID = DevFeatures.dwBoardID;
        
		DRV_DeviceClose(&DriverHandle);

		if (dwBordID == BD_USB4751)
           usMaxFoutChan = 2;
		else
		   usMaxFoutChan = 4;

		  // 
		  // initialize frequency source 
		  //
        SendDlgItemMessage( 
			     hDlg,
			     IDC_FOUTSRC,
	           CB_ADDSTRING,
		        0,
		        (LPARAM)((LPSTR)"External clock"));
        
        SendDlgItemMessage( 
			  hDlg,
			  IDC_FOUTSRC,
	        CB_ADDSTRING,
		     0,
		     (LPARAM)((LPSTR)"20MHz"));
		   
		  SendDlgItemMessage( 
			  hDlg,
			  IDC_FOUTSRC,
	        CB_ADDSTRING,
		     0,
		     (LPARAM)((LPSTR)"10MHz"));
		   
		  SendDlgItemMessage( 
			  hDlg,
		   IDC_FOUTSRC,
	        CB_ADDSTRING,
		     0,
		     (LPARAM)((LPSTR)"5MHz"));
		   
		  SendDlgItemMessage( 
			  hDlg,
			  IDC_FOUTSRC,
	        CB_ADDSTRING,
		     0,
		     (LPARAM)((LPSTR)"1MHz"));
		   
		  SendDlgItemMessage( 
			  hDlg,
			  IDC_FOUTSRC,
	        CB_ADDSTRING,
		     0,
		     (LPARAM)((LPSTR)"100KHz"));
		  
        SendDlgItemMessage( 
			  hDlg,
			  IDC_FOUTSRC,
	        CB_SETCURSEL,
		     gwFoutSrc,
			  //6,
		     0);

		  //
        // Initialize Input Channel
        //
        for ( i = 0; i < usMaxFoutChan; i ++ )
		  {
           _itoa( i, szBuffer, 10 );
           SendDlgItemMessage( 
		     hDlg, 
		     IDC_ECHANNEL,
		     CB_ADDSTRING, 
		     0, 
		     ( LPARAM )( ( LPSTR )szBuffer ) );
		  }

        SendDlgItemMessage(hDlg,IDC_ECHANNEL,CB_SETCURSEL,gwChannel,(LPARAM)0); 
        SetWindowText(GetDlgItem(hDlg,IDC_DIVIDER),itoa(gwDivider,szBuffer,10));

        return TRUE;

    case WM_COMMAND :
         switch (LOWORD(wParam))
         {
            case IDOK :

              //
              // get device selection
              //

              if ((dwIndex = SendDlgItemMessage(hDlg, IDC_DEVICE,
                           CB_GETCURSEL, 0, 0)) != CB_ERR)
                   gwDevice = (WORD)dwIndex;
              
              //
              // get sub-device selection
              //

              if ((dwIndex = SendDlgItemMessage(hDlg, IDC_MODULE,
                           CB_GETCURSEL, 0, 0)) != CB_ERR)
                   gwSubDevice = (WORD)dwIndex;


               //
               // get channel number
               //

			      gwChannel =(USHORT) SendDlgItemMessage(
				                     hDlg, 
									 IDC_ECHANNEL, 
									 CB_GETCURSEL, 
									 0, 
									 (LPARAM)0);  

				// 
			   // get fout source
			   //
				if ((gwFoutSrc = SendDlgItemMessage(hDlg, IDC_FOUTSRC,
                       CB_GETCURSEL, 0, 0)) != CB_ERR)
				
               //
               // get divider
               //

				GetWindowText(GetDlgItem(hDlg,IDC_DIVIDER),szBuffer,sizeof(szBuffer));
				gwDivider = strtoul(szBuffer,NULL,10);
				
               EndDialog(hDlg, 0);
               return TRUE;


            case IDCANCEL :
                EndDialog(hDlg, 0);
                return TRUE;


            case IDC_DEVICE :

                //
                // When device selection is changed, it needs to
                // re-initialize sub-device combobox and input range
                // combobox.
                //

                if (HIWORD(wParam) == CBN_SELCHANGE)
                {
                    if ((dwIndex = SendDlgItemMessage(hDlg, IDC_DEVICE,
                        CB_GETCURSEL, 0, 0)) != CB_ERR)
                         gwDevice = (WORD)dwIndex;
                    else
                        return TRUE;


                    // ------------------------------------------------------
                    // Initialize Module Combobox for COM port or CAN devices
                    // ------------------------------------------------------

                    // check any device attached on this COM port or CAN

                    gnNumOfSubdevices = DeviceList[gwDevice].nNumOfSubdevices;
                    if (gnNumOfSubdevices > MAX_DEVICES)
                        gnNumOfSubdevices = MAX_DEVICES;


                    // retrieve the information of all installed devices

                    if (gnNumOfSubdevices != 0)
                    {
                        if ((ErrCde = DRV_DeviceGetSubList(
                            (DWORD)DeviceList[gwDevice].dwDeviceNum,
                            (DEVLIST far *)&SubDeviceList[0],
                            (SHORT)gnNumOfSubdevices,
                            (SHORT far *)&nOutEntries)) != (LONG)SUCCESS)
                        {
                            DRV_GetErrorMessage(ErrCde,(LPSTR)szErrMsg);
                            MessageBox(hMainWnd, (LPCSTR)szErrMsg,
                                "Driver Message", MB_OK);
                            return TRUE;
                        }


                        // initialize the Module List Combobox with the
                        // retrieved information

                        EnableWindow(GetDlgItem(hDlg, IDC_MODULE), TRUE);
                        SendDlgItemMessage(hDlg, IDC_MODULE, CB_RESETCONTENT,
                            0, (LPARAM)((LPSTR)0));

                        for (i = 0; i < gnNumOfSubdevices; i++)
                            SendDlgItemMessage(hDlg, IDC_MODULE, CB_ADDSTRING, 0,
                                (LPARAM)((LPSTR)SubDeviceList[i].szDeviceName));

                        gwSubDevice = 0;

                        SendDlgItemMessage(hDlg, IDC_MODULE, CB_SETCURSEL,
							(WPARAM)gwSubDevice, (LPARAM)0);
                    }
                    else
                    {
                        EnableWindow(GetDlgItem(hDlg, IDC_MODULE), FALSE);
                        SendDlgItemMessage(hDlg, IDC_MODULE, CB_RESETCONTENT,
                            0, (LPARAM)((LPSTR)0));
                    }

                    //
                    // Open Device
                    //
        
                    if (gnNumOfSubdevices == 0)
                       ErrCde = DRV_DeviceOpen(
                       DeviceList[gwDevice].dwDeviceNum,
                       (LONG far *)&DriverHandle);
                    else
                       ErrCde = DRV_DeviceOpen(
                       SubDeviceList[gwSubDevice].dwDeviceNum,
                       (LONG far *)&DriverHandle);
        
                    if (ErrCde != SUCCESS)
                    {
                       strcpy(szErrMsg,"Device open error !");
                       MessageBox(hDlg,(LPCSTR)szErrMsg,"Device Open",MB_OK);
                       return 0;
                    }
        
        
                    //
                    // get features
                    //
			    ptDevFeatures.buffer = (LPDEVFEATURES)&DevFeatures;
				ptDevFeatures.size = sizeof(DEVFEATURES);
				if ((ErrCde = DRV_DeviceGetFeatures(DriverHandle,
				   (LPT_DeviceGetFeatures)&ptDevFeatures)) != SUCCESS)
				{
				   DRV_GetErrorMessage(ErrCde,(LPSTR)szErrMsg);
				   MessageBox(hDlg,(LPCSTR)szErrMsg,"Driver Message",MB_OK);
				   DRV_DeviceClose((LONG far *)&DriverHandle);
				   return 0;
				}

				dwBordID = DevFeatures.dwBoardID;
        
				DRV_DeviceClose(&DriverHandle);

				if (dwBordID == BD_USB4751)
				   usMaxFoutChan = 2;
				else
				   usMaxFoutChan = 4;

				  // 
				  // initialize frequency source 
				  //
				SendDlgItemMessage( 
						 hDlg,
						 IDC_FOUTSRC,
					   CB_ADDSTRING,
						0,
						(LPARAM)((LPSTR)"External clock"));
        
				SendDlgItemMessage( 
					  hDlg,
					  IDC_FOUTSRC,
					CB_ADDSTRING,
					 0,
					 (LPARAM)((LPSTR)"20MHz"));
				   
				  SendDlgItemMessage( 
					  hDlg,
					  IDC_FOUTSRC,
					CB_ADDSTRING,
					 0,
					 (LPARAM)((LPSTR)"10MHz"));