📄 dualdma.c
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if ((ErrCde = DRV_DeviceGetList((DEVLIST far *)&DeviceList[0],
(SHORT)gnNumOfDevices, (SHORT far *)&nOutEntries)) != (LONG)SUCCESS)
{
DRV_GetErrorMessage(ErrCde,(LPSTR)szErrMsg);
MessageBox(hWnd,(LPCSTR)szErrMsg,"Driver Message",MB_OK);
return TRUE;
}
// Initialize the Device List Combobox with the retrieved information
for (i = 0; i < gnNumOfDevices; i ++)
SendDlgItemMessage(hDlg, IDC_DEVICE, CB_ADDSTRING, 0,
(LPARAM)((LPSTR)DeviceList[i].szDeviceName));
SendDlgItemMessage(hDlg, IDC_DEVICE, CB_SETCURSEL,(WPARAM)gwDevice,
(LPARAM)0);
// -----------------------------------------------------------
// Initialize Module List Combobox for COM port or CAN devices
// -----------------------------------------------------------
// Check if there is 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(hWnd,(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 Range List Combobox, it needs to get device
// features for gain list
// ------------------------------------------------------------
// Step 1: 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)
{
DRV_GetErrorMessage(ErrCde,(LPSTR)szErrMsg);
MessageBox(hWnd,(LPCSTR)szErrMsg,"Driver Message",MB_OK);
return 0;
}
// Step 2: Get device features
ptDevFeatures.buffer = (LPDEVFEATURES)&DevFeatures;
ptDevFeatures.size = sizeof(DEVFEATURES);
if ((ErrCde = DRV_DeviceGetFeatures(DriverHandle,
(LPT_DeviceGetFeatures)&ptDevFeatures)) != SUCCESS)
{
DRV_GetErrorMessage(ErrCde,(LPSTR)szErrMsg);
MessageBox(hWnd,(LPCSTR)szErrMsg,"Driver Message",MB_OK);
DRV_DeviceClose((LONG far *)&DriverHandle);
return 0;
}
// Step 3: Initialize Input Range List Combobox with device features
if (DevFeatures.usNumGain != 0)
{
EnableWindow(GetDlgItem(hDlg, IDC_INPRANGE), TRUE);
for (i = 0; i < (int)DevFeatures.usNumGain; i ++)
SendDlgItemMessage(hDlg, IDC_INPRANGE, CB_ADDSTRING, 0,
(LPARAM)((LPSTR)(DevFeatures.glGainList[i].szGainStr)));
SendDlgItemMessage(hDlg, IDC_INPRANGE, CB_SELECTSTRING, (WPARAM)(-1),
(LPARAM)((LPSTR)(DevFeatures.glGainList[gwGainCode].szGainStr)));
}
else
{
EnableWindow(GetDlgItem(hDlg, IDC_INPRANGE), FALSE);
SendDlgItemMessage(hDlg, IDC_INPRANGE, CB_RESETCONTENT,
0, (LPARAM)((LPSTR)0));
}
// Initialize Conversion Number
ultoa(gulConvNum, szBuffer, 10);
SendDlgItemMessage(hDlg, IDC_CONVERSION, EM_REPLACESEL, 0,
(LPARAM)((LPSTR)szBuffer));
// Initialize Pacer Rate
ultoa(gdwPacerRate, szBuffer, 10);
SendDlgItemMessage(hDlg, IDC_PACER, EM_REPLACESEL, 0,
(LPARAM)((LPSTR)szBuffer));
if (gwExtTrig)
EnableWindow(GetDlgItem(hDlg, IDC_PACER), FALSE);
else
EnableWindow(GetDlgItem(hDlg, IDC_PACER), TRUE);
// Initialize Start Channel
itoa((int)gwStartChl, szBuffer, 10);
SendDlgItemMessage(hDlg, IDC_ESTART, EM_REPLACESEL, 0,
(LPARAM)((LPSTR)szBuffer));
// Initialize Stop Channel
itoa((int)gwNumChl, szBuffer, 10);
SendDlgItemMessage(hDlg, IDC_ESTOP, EM_REPLACESEL, 0,
(LPARAM)((LPSTR)szBuffer));
// Initialize Triggering
CheckRadioButton(hDlg, IDC_INTTRIG, IDC_EXTTRIG,
(gwExtTrig)?IDC_EXTTRIG:IDC_INTTRIG);
// Initialize Repeated Mode
CheckRadioButton(hDlg, IDC_CYCLIC, IDC_NONCYCLIC,
(gwCyclicMode)?IDC_CYCLIC:IDC_NONCYCLIC);
// Initialize Buffer Mode
EnableWindow(GetDlgItem(hDlg, IDC_BUFSINGLE), FALSE);
EnableWindow(GetDlgItem(hDlg, IDC_BUFDOUBLE), FALSE);
// CheckRadioButton(hDlg, IDC_BUFSINGLE, IDC_BUFDOUBLE,
// (gwBufferMode)?IDC_BUFDOUBLE:IDC_BUFSINGLE);
// Initialize Data Type
CheckRadioButton(hDlg, IDC_DATAUSHORT, IDC_DATAFLOAT,
(gwDataType)?IDC_DATAFLOAT:IDC_DATAUSHORT);
// Initialize Message Flag
CheckRadioButton(hDlg, IDC_EVTENABLE, IDC_EVTDISABLE,
(gwEvtFlag)?IDC_EVTENABLE:IDC_EVTDISABLE);
// Initialize number of interrupt count
if (gwFifoEnable)
SendDlgItemMessage(hDlg, IDC_FifoEnable,BM_SETCHECK,0,0);
// Initialize gain table option
if (gwGainList)
{
CheckRadioButton(hDlg, IDC_OVERALLGAIN, IDC_GAINARRAY,
IDC_GAINARRAY);
EnableWindow(GetDlgItem(hDlg, IDC_INPRANGE), FALSE);
EnableWindow(GetDlgItem(hDlg, IDC_GAINLIST), TRUE);
}
else
{
CheckRadioButton(hDlg, IDC_OVERALLGAIN, IDC_GAINARRAY,
IDC_OVERALLGAIN);
EnableWindow(GetDlgItem(hDlg, IDC_INPRANGE), TRUE);
EnableWindow(GetDlgItem(hDlg, IDC_GAINLIST), FALSE);
}
// Step 4: Close device
DRV_DeviceClose((LONG far *)&DriverHandle);
return TRUE;
case WM_COMMAND :
switch (LOWORD(wParam))
{
case IDOK :
case IDCANCEL :
EndDialog(hDlg, 0);
return TRUE;
case IDC_GAINLIST :
DialogBox (hInst, MAKEINTRESOURCE(IDD_GAINLIST),
hDlg, lpfnGainListDlgProc) ;
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(hWnd, (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));
}
// -------------------------------------------------
// Initialize Input Range List Combobox, it needs to
// get device features for gain list
// -------------------------------------------------
// Step 1: Open Device
if (gnNumOfSubdevices == 0)
{
// for non COM port or CAN device
ErrCde = DRV_DeviceOpen(
DeviceList[gwDevice].dwDeviceNum,
(LONG far *)&DriverHandle);
}
else
{
// for COM port or CAN device
ErrCde = DRV_DeviceOpen(
SubDeviceList[gwSubDevice].dwDeviceNum,
(LONG far *)&DriverHandle);
}
if (ErrCde != SUCCESS)
{
DRV_GetErrorMessage(ErrCde,(LPSTR)szErrMsg);
MessageBox(hWnd, (LPCSTR)szErrMsg,
"Driver Message", MB_OK);
return 0;
}
// Step 2: Get device features
ptDevFeatures.buffer = (LPDEVFEATURES)&DevFeatures;
ptDevFeatures.size = sizeof(DEVFEATURES);
if ((ErrCde = DRV_DeviceGetFeatures(DriverHandle,
(LPT_DeviceGetFeatures)&ptDevFeatures)) != SUCCESS)
{
DRV_GetErrorMessage(ErrCde,(LPSTR)szErrMsg);
MessageBox(hWnd, (LPCSTR)szErrMsg, "Driver Message",
MB_OK);
DRV_DeviceClose((LONG far *)&DriverHandle);
return 0;
}
// Step 3: Initialize Range Combobox with device features
gwGainCode = 0;
if (DevFeatures.usNumGain != 0)
{
EnableWindow(GetDlgItem(hDlg, IDC_INPRANGE), TRUE);
SendDlgItemMessage(hDlg, IDC_INPRANGE, CB_RESETCONTENT,
0, (LPARAM)((LPSTR)0));
for (i = 0; i < (int)DevFeatures.usNumGain; i ++)
SendDlgItemMessage(hDlg, IDC_INPRANGE, CB_ADDSTRING, 0,
(LPARAM)((LPSTR)(DevFeatures.glGainList[i].szGainStr)));
SendDlgItemMessage(hDlg, IDC_INPRANGE,
CB_SELECTSTRING, (WPARAM)(-1),
(LPARAM)((LPSTR)(DevFeatures.glGainList[gwGainCode].szGainStr)));
}
else
{
EnableWindow(GetDlgItem(hDlg, IDC_INPRANGE), FALSE);
SendDlgItemMessage(hDlg, IDC_INPRANGE, CB_RESETCONTENT,
0, (LPARAM)((LPSTR)0));
}
// Step 4: Close device
DRV_DeviceClose((LONG far *)&DriverHandle);
}
return TRUE;
case IDC_CONVERSION :
if (HIWORD(wParam) == EN_KILLFOCUS)
{
if(SendDlgItemMessage(hDlg, IDC_CONVERSION,
EM_GETMODIFY, 0, 0))
{
SendDlgItemMessage(hDlg, IDC_CONVERSION,
WM_GETTEXT, 10, (LPARAM)(LPSTR)szBuffer) ;
gulConvNum = (ULONG)atol(szBuffer);
SendDlgItemMessage(hDlg, IDC_CONVERSION,
EM_SETMODIFY, FALSE, 0) ;
}
}
return TRUE;
case IDC_PACER :
if (HIWORD(wParam) == EN_KILLFOCUS)
{
if(SendDlgItemMessage(hDlg, IDC_PACER,
EM_GETMODIFY, 0, 0))
{
SendDlgItemMessage(hDlg, IDC_PACER,
WM_GETTEXT, 10, (LPARAM)(LPSTR)szBuffer) ;
gdwPacerRate = (ULONG)atol(szBuffer);
SendDlgItemMessage(hDlg, IDC_PACER,
EM_SETMODIFY, FALSE, 0) ;
}
}
return TRUE;
case IDC_INPRANGE :
if (HIWORD(wParam) == CBN_KILLFOCUS)
{
i = (int)SendDlgItemMessage(hDlg, IDC_INPRANGE,
CB_GETCURSEL, 0, 0) ;
if (i != CB_ERR)
gwGainCode = (USHORT)i;
}
return TRUE;
case IDC_ESTART :
if (HIWORD(wParam) == EN_KILLFOCUS)
{
if(SendDlgItemMessage(hDlg, IDC_ESTART,
EM_GETMODIFY, 0, 0))
{
SendDlgItemMessage(hDlg, IDC_ESTART,
WM_GETTEXT, 10, (LPARAM)(LPSTR)szBuffer) ;
gwStartChl = (USHORT)atoi(szBuffer);
SendDlgItemMessage(hDlg, IDC_ESTART,
EM_SETMODIFY, FALSE, 0) ;
}
}
return TRUE;
case IDC_ESTOP :
if (HIWORD(wParam) == EN_KILLFOCUS)
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