Device Drivers

DDK 3790 question
"dave" wrote: Hello: I have a driver for W2K and Windows XP. I used "DDK 2000" to build W2K driver and "DDK 2600" to build XP driver. I'm wondering if "DDK 3790" build the driver both for W2K and XP ? To check it I built some simple driver using "DDK 3790" and this driver w... 8 Apr 2008 02:16

Cannot capture Audio in AMCap
Hi All I have written pin-centric avstream based driver, I can successfully preview both the audio and video. The capture of the video was also successful. but iam unable to capture audio through AmCap, The graph is as follows avstream based capture filter (Audio pin) ----->Smart Tee(capture pin)----->AVI MUX... 7 Apr 2008 07:00

DeviceIoControl returning ERROR_INVALID_PARAMETER
Hi all, I got handle of my USB disk using following instruction. handle = CreateFile(dev_name, 0, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); I am getting this handle successfully. The problem I was facing previously was that my ISR was not getting invoked on attaching USB disk. What I did, I ... 10 Apr 2008 01:15

The problem of NdisAllocateBuffer In VMWare
Hi Now, I want to construct my own icmp packet in IM, but when the driver running to NdisAllocateBuffer, the computer shut down at once, the blue screen output the message is DRIVER_LESS_OR_EQUAL_IRQL. I donot know why, eventhought I lower the IRQL. In addition, NdisAllocateBufferPool return Successful, but th... 7 Apr 2008 10:55

How do I let audio device in "Sounds and Audio Devices"?
How do I let audio device in "Sounds and Audio Devices"? Now, I have two pins. One input audio pin, and One output audio pin. There are in one Filter. I create one node in the Filter, and I create two connection to connect them. But "Sounds and Audio Devices" does'nt show my audio device. Is need special condi... 5 Apr 2008 12:38

File System Hook
I need to monitor a particular file if the same file handle is being used to write data to it. Is it possible to hook the file system to get information like these? Is there ready made software that does this? File File Handle Event Config.ini 1 File Opened Config.ini 1 File Append Data ... 8 Apr 2008 07:13

Vista Error Message
Don't know if I'm in the right place to ask this question, but here goes. I Took delivery of a new laptop yesterday with Vista Home Premium installed. I've set up two users, however when logging on to the secondard user account I get the following error message: "error loadNTDriver" Anyone, know what this ... 8 Apr 2008 14:01

Is parsing the HID report manully a right decision in my case?
Hello Experts, I'm new to HID. I need to develop an application which communicates with a Touch board. That board use HID protocol for communication. USB, COM and IP (Internet Protocol) can be used to communicate with board. I'm thinking of parsing the report manually as HidP_* can't be used when board is conne... 7 Apr 2008 13:34

QoS API for packet scheduler
All, I find one problem with the Netmeeting running on the WAN adapter when the packet scheduler is enabled. The problem I found as follows. During the conversation session(voice data is transmiting), if I send a ping packet to the peer, the ICMP echo packets are blocked by the pac... 7 Apr 2008 23:07

Determining a virtual COM port of an USB device
Howdy Gurus I am not a low-level developer -- more of an application programmer, so I might've gotten some of my terminology wrong here. Do bear with me. We have a USB printer that we use in our application to print receipts and such. The drivers for this printer also create a virtual COM port for applicati... 28 Apr 2008 09:11