Device Drivers

Installation failure of the DTM controller
Well, numbers seem to be public: 2147467259 "Dcls" wrote: When I try to install the DTM controller on Windows 2003 Server Standard Edtion (SP1), I have an error in the end... The message is: "Failed to add user to group. (-**********DTMServiceAdminUser Administrators )" ********** =... 13 Jun 2007 04:05

IoOpenDeviceRegistryKey and HID miniport driver.
Hi, sir, I'm writing a serial port HID mini port driver. By using IoOpenDeviceRegistryKey, I can get the handle of the key \HKLM\System\Enum\ACPI\PNP0501\1\Device Parameters. Well, that's not key I want, since our application enumerate our device by HID guid. what the application expect would be the key \HKL... 17 Jun 2007 19:05

Mirror Driver - how to pass Bitmap to user-mode app thought DrvEscape.
Hi all. I'm using src\video\displays\mirror from DDK. I want to do DrvEscape that will pass whole Bitmap of surface to user- mode win32app. In user-mode app I will call ExtEscape and I want to get Bitmap thought pointer or something like that. What exactly I need to do ? ULONG DrvEscape( SURFOBJ *pso, ULON... 11 Jun 2007 12:38

Mirror Driver - how can I use Driver with User-Mode Application
Hi all. How I can use this Mirror Display Driver with user-mode application. I need to do that my application(user-mode), will be able to send changes that happened on Display for example in 50ms, thought socked to another computer. I think I need to send them(changes) in rectangles raster format, but how can I d... 13 Jun 2007 16:08

For PDO: How to forward request to next lower driver stack automatically in KMDF?
Dear all: For filter drivers, KMDF automatically forwards the request to the default I/O target (the next lower driver). How to do this in PDO? Is there any option to do this? I write two drivers: one for a bus driver to enumerate child device, and another is for child device. I want to forward all child dev... 5 Jun 2007 22:43

Does devcon.exe work at all?
I am trying to use devcon.exe to ease the pain of repetitively re- installing a device driver under development for test & debug purposes. The device driver I am developing is based on MSVA (i.e. has no real hardware). When I attemp invoking it like this: devcon.exe update msvad.inf I get the error messa... 4 Jun 2007 17:49

Question regarding COM ports
I'm trying to use a call to: l = ComDBGetCurrentPortUsage( HComDB, bufBits, 256, CDB_REPORT_BITS, pMaxPortsReported ); to determine if a USB serial port device is plu... 30 May 2007 07:46

WdfUsbTargetDeviceSendControlTransferSynchronously from TimerExpired function causes access violation
I'm currently writing a KMDF based driver that will upon insertion of a USB device, download firmware to it and then reset the USB bus causing re-enumeration. I'm not entirely clear on the best way to implement this, my current plan is as follows: * From EvtPrepareHardware, I start a timer which causes TimerExpir... 31 May 2007 02:03

SMARTCARD_EXTENSION & OsData
Hi, The SMARTCARD_EXTENSION structure has a member OsData->DeviceObject. What purpose does DeviceObject server here? Why woul'd smclib need the drivers DeviceObject. -- Vijairaj ... 30 May 2007 22:56

Issue with REMOTE_NDIS_RESET_MSG
Hi, I am working with writing an RNDIS over USB driver for a USB CDC1.1 device. At this time, the device is up and I can able to transfer some packets over USB. But I am facing an issue from the host (windowx XP) that it sends REMOTE_NDIS_RESET_MSG msg sometimes so that the data flow gets broken. Also, I ca... 21 May 2007 08:44