Device Drivers

More Printer driver debugging
More confusion in debugging printer driver :( I am debugging the MSPLOT sample driver by placing OutputDebugString on the main exported functions to see which of these are being called, on adding the driver by the add printer wizard. Using WinDbg I am receving some output from DllMain and DrvQueryDriver but ... 24 Nov 2005 07:35

usbvideo.sys verbose output?
I'm having trouble getting any debug output from the usbvideo.sys driver. I have a Windows XP SP2 machine, with a partially checked build installed (usbvideo.sys and usbport.sys are checked builds). It is connected via firewire to another XP machine. WinDbg connects in kernel mode. I do not get much in the way ... 22 Nov 2005 19:16

Problem on 64 bit processor
I have ndis IM driver - tested on w2k+sp4,w2k3+sp1,wxp+sp2 on 32 processors. All is ok. When I install this driver on w2k+sp4 on 64 bit processor (Intel EM64T) driver crashes, no blue screen appears and system restarts without blue screen. Question: When I want to use ndis IM driver on 32 windows systems ins... 5 Dec 2005 14:36

Correct DDK Windows 2000 SP4
I have Visual Studio 6, my O.S. is Windows 2000 SP4. According to the MSDN order site the correct DDK for my system is the Windows Server 2003 SP1 DDK, which I ordered. My main interest in the DDK was to obtain the Usbview,c source code, however Usbview.c will not compile on my system, it generates errors. ... 17 Nov 2005 17:27

NDIS driver sample code for SDIO interface
Hi, I am developing a SDIO driver for our chipset. The output from our chipset is IP datagram carry realtime video. I need to give the IP datagram to the NDIS protocol stack then pass to Windows CE media player does anybody have any NDIS example for WinCE I can follow? I understand how to transfer data via SDI... 17 Nov 2005 04:43

HPET support
1) Does Windows XP provide any support for accessing/using the High Performace Event Timers (HPET) in the chipset? 2) Will Windoes Vista use the HPET for QueryPerformanceCounter (both uni and multi-processor HALs)? 3) Does the Windows DDK offer any guidance on writing a driver for the HPET? I ask these q... 29 Nov 2005 12:04

DeviceIoControl() in WinCE
Hi, I am writing a driver which takes in the call to DeviceIoControl() some structure like below: stuct someStruct { char *in_ptr; int in_ptr_len; int num; char *out_ptr; int out_ptr_len; } where ptr points to some memory. Problem is that DeviceIoControl() just seems to take a po... 17 Nov 2005 19:01

Adding USB to BDA Driver Linking ERROR!
Hi All, I adding USB interface to BDA Driver but Linking ERROR! Below is my sources from DDK BDA samples IF 0 Copyright (C) Microsoft Corporation, 1999 - 1999 Module Name: sources. !ENDIF MAJORCOMP=ntos MINORCOMP=dd TARGETNAME=BDACap TARGETPATH=obj TARGETTYPE=DRIVER TARGETLIBS=$(DDK_LIB_P... 16 Nov 2005 06:49

DriverDateData and others....
Hi, Where do "DriverDateData" and "DriverDate" come from in my device's registry key? I see it in "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002bE10318}\xxxx" Thanks, Sushrut. ... 16 Nov 2005 00:39

How to access the display adapter I2C bus?
As I understand it, most display adapter drivers today can communicate with a monitor over the VGA/DVI cable using the I2C bus. Using the I2C bus you can send certain commands (VESA Monitor Control Command Set) to the monitor and, for example, set the brightness value or read EDID. On MSDN there is information ... 10 Nov 2005 08:46