1753evt.c

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

        // --------------------------------------------------------------
        // used for dynamic allocation memory for these installed devices
        //
        // if ((hSubDeviceList = GlobalAlloc(GHND, gnNumOfSubdevices *
        //    sizeof(DEVLIST))) == NULL)
        // {
        //    MessageBox(hMainWnd, (LPCSTR)"Not Enough Memory",
        //        "Memory Allocation", MB_OK);
        //    return TRUE;
        // }
        //
        // SubDeviceList = (LPDEVLIST)GlobalLock(hSubDeviceList);
        // --------------------------------------------------------------


        // 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));

            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));
        }


        //
        // Initialize Input Channel
        //

        itoa(gwChannel, szBuffer, 10);

        SendDlgItemMessage(hDlg, IDC_ECHANNEL, EM_REPLACESEL, 0,
                        (LPARAM)((LPSTR)szBuffer));

	    if(usIEnable)
		   CheckDlgButton(hDlg,IDC_CGINTENABLE,TRUE);
		else
		   CheckDlgButton(hDlg,IDC_CGINTDISABLE,TRUE);

        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(hMainWnd,(LPCSTR)szErrMsg,"Driver Message",MB_OK);
            return 0;
        }

        ptDevFeatures.buffer = (LPDEVFEATURES)&DevFeatures;
        ptDevFeatures.size = sizeof(DEVFEATURES);
        if ((ErrCde = DRV_DeviceGetFeatures(DriverHandle,
            (LPT_DeviceGetFeatures)&ptDevFeatures)) != SUCCESS)
        {
            DRV_GetErrorMessage(ErrCde,(LPSTR)szErrMsg);
            MessageBox(hMainWnd,(LPCSTR)szErrMsg,"Driver Message",MB_OK);
            DRV_DeviceClose((LONG far *)&DriverHandle);
            return 0;
        }


        DRV_DeviceClose((LONG far *)&DriverHandle);

        return TRUE;

    case WM_COMMAND :
         switch (LOWORD(wParam))
        {
            case IDC_FUNPATTERN :
                 DialogBox (hInst, MAKEINTRESOURCE(IDD_PATTERN),
                            hDlg, lpfnConfigPatternProc) ;
                 return 0;

            case IDC_FUNSTATUS :
                 DialogBox (hInst, MAKEINTRESOURCE(IDD_STATUS),
                            hDlg, lpfnConfigStatusProc) ;
                 return 0;

            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
              //

              if (SendDlgItemMessage(hDlg, IDC_ECHANNEL,
                           EM_GETMODIFY, 0, 0))
              {
                    SendDlgItemMessage(hDlg, IDC_ECHANNEL,
                            WM_GETTEXT, 10, (LPARAM)(LPSTR)szBuffer) ;
                    gwChannel = atoi(szBuffer);
                    SendDlgItemMessage(hDlg, IDC_ECHANNEL,
                              EM_SETMODIFY, FALSE, 0) ;
              }

              if(IsDlgButtonChecked(hDlg,IDC_CGINTENABLE))
				  usIEnable = 1;
			  else
				  usIEnable = 0;
			  
			  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));
                    }
                }

                return TRUE;
        }
        break;
    }

    return FALSE ;
}


/***************************************************************************
    FUNCTION: ScanDlgProc(HWND, unsigned, WPARAM, LPARAM)

    PURPOSE:  Processes dialog box messages for scan time settings
****************************************************************************/

BOOL FTYPE ScanDlgProc
(
    HWND        hDlg,                          // window handle
    unsigned    message,                       // type of message
    WPARAM      wParam,                        // additional information
    LPARAM      lParam                         // additional information
)
{
    char        szBuffer[40];

    switch (message)
    {
    case WM_INITDIALOG :

        // ---------------------------------------------------
        // Initialize Scan Time Edit, Maximum accuracy: 40 ms
        // ---------------------------------------------------

        itoa(gwScanTime, szBuffer, 10);
        SendDlgItemMessage(hDlg, IDC_SCAN, EM_REPLACESEL, 0,
                        (LPARAM)((LPSTR)szBuffer));

        return TRUE;

    case WM_COMMAND :

         switch (LOWORD(wParam))
         {
            case IDOK :

                //
                // get scan time
                //

                if (SendDlgItemMessage(hDlg, IDC_SCAN,
                           EM_GETMODIFY, 0, 0))
                {
                    SendDlgItemMessage(hDlg, IDC_SCAN,
                            WM_GETTEXT, 10, (LPARAM)(LPSTR)szBuffer) ;
                    gwScanTime = atoi(szBuffer);
                    SendDlgItemMessage(hDlg, IDC_SCAN,
                              EM_SETMODIFY, FALSE, 0) ;
                }

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

         }
         break;
    }
    return FALSE ;
}


/***************************************************************************
    FUNCTION: MainWndProc(HWND, unsigned, WPARAM, LPARAM)

    PURPOSE:  Processes messages

    MESSAGES:

        WM_CREATE     - create window
        WM_COMMAND    - application menu (About dialog box)
        WM_DESTROY    - destroy window
****************************************************************************/

long FTYPE MainWndProc
(
    HWND        hWnd,                          // window handle
    unsigned    message,                       // type of message
    WPARAM      wParam,                        // additional information
    LPARAM      lParam                         // additional information
)
{
    static  HANDLE  hInstance ;
    HMENU           hMenu;
    HDC             hdc;
    char            szBuffer[120];
    RECT            rect;
    DWORD           dwCurrentTime;
    DWORD           dwErrorTime;
    BOOL            bTimerOverrun;
	DWORD           dwExitCode;
    PT_EnableEventEx      Zero = {0};

    switch (message)
    {
        case WM_CREATE:

            //
            // initialize Stop Menu
            //

            hMenu = GetMenu(hWnd);
            EnableMenuItem(hMenu, IDM_STOP, MF_BYCOMMAND | MF_GRAYED);

            hInstance = ((LPCREATESTRUCT) lParam)->hInstance ;

            lpfnConfigDlgProc = MakeProcInstance (ConfigDlgProc, hInstance) ;

            lpfnScanDlgProc = MakeProcInstance (ScanDlgProc, hInstance) ;
            
		    lpfnConfigPatternProc = MakeProcInstance (ConfigPatternProc, hInstance) ;
            
		    lpfnConfigStatusProc = MakeProcInstance (ConfigStatusProc, hInstance) ;