Device Drivers

NDIS Intermediate Driver Passthru
I am a newbie to NDIS. I am trying to modify the NDIS intermediate driver (passthru) to make sure that we can receive more than one packet in SendPacket call of the driver. For this I have set the OID from the driver OID_GEN_MAXIMUM_SEND_PACKETS to 4. The driver is a deserialized driver. Still I see 1 packet being ... 16 Aug 2006 05:06

IoBuffer Causing Freeze
Hey There, If buffered I/O is being used and the Parameters.DeviceIoControl.OutputBufferLength is > 0 while Parameters.DeviceIoControl.InputBufferLength equals 0, the data should be in AssociatedIrp.SystemBuffer. I create a variable IoBuffer that equals AssociatedIrp.SystemBuffer and try to read the data in Io... 7 Aug 2006 17:53

64 Bit CoInstaller
Moin, does the co-installer for a x64 bit driver package need to be native 64 bit or does the 32 bit co-installer work as well ? I found that when I supply the 64 bit co-installer for my driver package it works as expected but the 32 bit version is not loaded. I never saw a reqirement for a 64 bit co-installer. ... 7 Aug 2006 15:12

How to add HDMI support in video miniport driver?
I have some experience on VGA compatible video miniport driver development. Now the interface between the display card and monitor changes to HDMI from VGA interface. I don't know how to modify the video miniport driver to support HDMI interface. As I know in the VGA compatible video miniport driver, I need to ... 7 Aug 2006 03:26

FsRtlIsNameInExpression
All, I realise that this is slightly off topic for which I apologise but I think this newsgroup is the best chance I have of getting an answer! Does anyone know if there is a user-mode equivalent for FsRtlIsNameInExpression? I have to do some pattern matching in a native dll and I figured that if there is an... 6 Aug 2006 20:35

Filter Hook
Hi, Drivers are very new to me, can someone help me with the next issue please: I have tried to set up a Filter Hook driver. I took an example code from codeproject (DrvFltIp) and it works ok on my computer (Windows XP). When I try to process the packets more thoroughly than in this example code, my comput... 8 Aug 2006 01:22

UVC, Vista, Selective Suspend
in XP, I think USB Video Class(UVC) don't support Selective suspend. in Vista, Do you know UVC support Selective suspend ? Out customer is keen to power saving. Please tel me any documents or clues about it. Thanks in Advance. shinji ... 2 Aug 2006 02:53

Windows XP Driver Hang
I have written a driver for a PCMCIA serial device. This device uses the underlying Microsoft Serial Driver (serial.sys) to communicate with the hardware. The problem I am having is that it hangs when I use the driver under Windows XP for the first time. The circumstances in which it hangs are strange. I t... 6 Aug 2006 05:13

EngSetEvent?
I am writing a Mirror Driver. My Mirror driver needs to use EngSetEvent(..) to signal a wait thread in user-app. The Event was mapped using EngMapEvent and returns != NULL; When the driver uses EngSetEvent, my machine freeze and I have a blue screen. What am I doing wrong? If you need more information,... 1 Aug 2006 18:26

Debugging
Some of my files won't set breakpoints correctly. When I try to set a break point it will try to say The source line given has multiple addresses. Any idea what causes this behaviour? Ashok ... 1 Aug 2006 18:58