Device Drivers

Preventing Keyboard Installation
We are building an embedded device with a built-in keyboard. We would like to prevent external USB keyboards from being installed. I know I can write a class filter driver, and simply block any key presses from ever making it up the driver stack into user mode. But is there a simpler solution to this problem... 17 Apr 2008 14:55

How to disable 'Select Device' dialog box when installing a device
Hi, When installing my non-PnP device using SetupDi API, a "Select Device" dialog box always pops up. I'm setting the following flags (DI_QUIETINSTALL, DI_ENUMSINGLEINF, DI_NOBROWSE, DI_DONOTCALLCONFIGMG in the install params, unfortunately to no avail. From Google, I see that others have had the same problem. H... 11 Apr 2008 04:28

Difference Between USB Multi Interface, Multi Function, Composite and Compound Devices.
Hi, 1. I am very much confused about USB Multi Interface, MultiFunction, Compound and Composite Devices. Can anyone please Clarify me the difference. 2. I am writing a USB Bus Enumerator, i mean something similar to the Host Controller Driver. so, i wanted to invalidate the undelying devices to the OS. Now, i... 22 Apr 2008 10:38

TVOUT on OMAP 2420
Hi All, I need some help in fine tuning the OMAP DSS register values for VGA TV out feature. I am able to get the QVGA output with this settings I can see clear image on TV when I connect the hardware to television, but whenI change the regisrty settings for VGA by changing 1> Registry settings for 640X480... 11 Apr 2008 00:31

Getting Thumped trying to Thunk.
confused: Getting Thumped trying to Thunk. I have a Legacy 16-bit application that generates Lessons for Education. The Lessons generated need to run on school computers from Windows 98 through Windows XP. These Lessons also need to exchange information with remote servers using XMLHTTP. I have 32-bit DLLs tha... 12 Apr 2008 14:16

Process memory dump and Call stack
Hi, I have two question. 1. Can I get Process's Memory crash dump like kernel memory dump in windows? If yes, How can I get it? 2. Can I get call stack of crashed process? Please let me know. -- With regards thanks Anand Choubey ... 10 Apr 2008 18:30

FindFirstDevice error code 18
Hi, Im trying to use the api function FindFirstDevice on a pda (WinCE 5 & 6). I have set the size of the device info structure, set the devicesearchtype to 3 (search by guid) and passed a pointer to a guid. I have also tried seraching by name and passing a string "*". Every time a get the error code 18. Can... 10 Apr 2008 18:30

WinUSB
I just downloaded and installed the latest WDK (6001.18001), looking for the WinUSB files (for the XP environment), but the only one I can find is WinUSBCoInstaller.dll - I cannot find WdfCoInstaller01005.dll. I also cannot find WinUSB.sys and WinUSB.dll, but I gather they are installed by WinUSBCoInstaller.dl... 26 Apr 2008 09:56

Actions upon receiving Syestem Power Set IRP
Hi, I have a WDM driver which needs to bring its device from D3 back to D0 when system is being transitioned to Sx. This is necessary to be able to clear any wake status on device before going to sleep so the system doesn't bounce back to S0 when wakes are enabled on the bus. Currently what I'm doing is to... 11 Apr 2008 00:31

Is there a way to hide one tab from a property page
Hi, I try to replace the generic advanced property page with my custom property page. but I didn't succeed. Is there a way to hide this tab (maybe via the inf file) , and to add my custom propert page with title "Advanced" because I found how to add new property page but not how to replace an existing one.... 10 Apr 2008 07:44