📄 freqin.c
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(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));
}
//
// 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 number of counter channels
//
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;
usMaxFreqInChan = DevFeatures.usMaxTimerChl;
DRV_DeviceClose(&DriverHandle);
//
// Initialize Input Channel Edit
//
for ( i = 0; i < usMaxFreqInChan; i +=2 )
{
_itoa( i, szBuffer, 10 );
SendDlgItemMessage(
hDlg,
IDC_ECHANNEL,
CB_ADDSTRING,
0,
( LPARAM )( ( LPSTR )szBuffer ) );
}
SendDlgItemMessage(hDlg,IDC_ECHANNEL,CB_SETCURSEL,gwChIndex,(LPARAM)0);
lRange = MAKELONG((WORD)2000, (WORD)0);
SendDlgItemMessage(hDlg, IDC_SPINGP, UDM_SETRANGE, 0, lRange);
SendDlgItemMessage(hDlg, IDC_SPINGP, UDM_SETPOS, 0,
(LPARAM)(MAKELONG(gwGatePeriod, 0)));
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
//
gwChIndex =(USHORT) SendDlgItemMessage(
hDlg,
IDC_ECHANNEL,
CB_GETCURSEL,
0,
(LPARAM)0);
gwChannel = gwChIndex * 2;
SendDlgItemMessage(hDlg, IDC_EDITGP, WM_GETTEXT,(WPARAM)10, (LPARAM)szBuffer);
gwGatePeriod = (USHORT)atoi(szBuffer);
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 number of counter channels
//
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;
usMaxFreqInChan = DevFeatures.usMaxTimerChl;
DRV_DeviceClose(&DriverHandle);
//
// Initialize Input Channel Edit
//
SendDlgItemMessage(hDlg, IDC_ECHANNEL,CB_RESETCONTENT,(WPARAM)0, (LPARAM)0);
for ( i = 0; i < usMaxFreqInChan; i +=2 )
{
_itoa( i, szBuffer, 10 );
SendDlgItemMessage(
hDlg,
IDC_ECHANNEL,
CB_ADDSTRING,
0,
( LPARAM )( ( LPSTR )szBuffer ) );
}
SendDlgItemMessage(hDlg,IDC_ECHANNEL,CB_SETCURSEL,gwChIndex,(LPARAM)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))
{
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