Device Drivers

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Retireve USB interface 1
Hi all I'm writing an UMDF driver for USB and took the OSRUSBFX2 example from WDK 6000 as a starting point. Now I have some problems to retrieve the 2nd interface. Here is a code snippet from the implementation (CDevice::OnPrepareHardware): HRESULT hr; IWDFUsbTargetFactory * pIUsbTargetFacto... 16 May 2007 02:38

NDIS-SDIO Driver
Hi I have written a basic SDIO Driver. Its working fine and got loaded when i connect my SDIO device. I want to write a NDIS Driver and load both (NDIS & SDIO) drivers when i connect my SDIO device. I have gone through some forums for how to write NDIS-WDM driver. From that i got info that we can register a WDM ... 29 May 2007 18:36

Problem with Devmode corruptor test
Hi, I am facing a problem with devmode corruptor test. The printer driver is not passing the devmode corruptor test. It is a type of Heap corruuption. If anyone needs more info regarding this, I am ready to give it. It is most urgent and any small help also will be appreciated. Thanks, Tekno. ... 12 May 2007 08:04

Q about sending 10k of data to USB device.
Hi, I am writing a KMDF driver to send about 10K data to a USB device. However, the device only has a interrupt pipe, not bulk write pipe. does anyone know what is the right approach in sending the data over? I can use api WdfUsbTargetDeviceSendUrbSynchronously() to send an URB that contains a vendor command ... 26 Apr 2007 07:15

OEMTextOut glyph position problem
We are writing a special plotter driver and we are seeing some strange things when we are looking at the GLYPHPOS structures being sent to OEMTextOut call... The glyphs start out their position correctly but at some point we get a negative Y coordinates or the offsets for the Y coordinates restart at low numbers... 17 Apr 2007 20:56

DPInst problems
1- using dpinst /sa does not suppress the Add/Remove program entry. Look at this extract from Dpinst.log: INFO: **************************************** INFO: 04/11/2007 11:00:07 INFO: Product Version 2.1.0.0. INFO: Version: 5.1.2600 Service Pack 2 INFO: Platform ID: 2 (NT) INFO: Service... 11 Apr 2007 13:20

DTM "INF Syntax Test" and INFGate.exe... how does '/N' command line switch work?
I'm trying to do the "INF Syntax Test" in the DTM. I seem to be running into the problem that the INF file in my submission cannot be found. INFGate.exe fails with ExitCode 1. Where does INFGate look for the INF files when you specify the '/N <name>' parameter??? ... 10 Apr 2007 14:46

How to implement DrvCopyBits for mirror driver?
How to implement DrvCopyBits for mirror driver? I am trying to create a mirror driver by referring MicroSoft DDK. I found out that when I create Device-Managed surfaces, I have to implement DrvCopyBits, DrvTextOut, DrvStrokePath. But in the DDK sample, these methods only return FALSE. I modified the mirror dri... 6 Apr 2007 05:26

USB Flash memory Drive.
hello All, I am writing an FORMAT application for the USB memory stick. i need to access the information of the device. i am able to get the information of partition and disk geometry. but i need FLASH block size and cluster size of the stick. can anybody tell me how to access it? please reply me, thanks hi... 29 Mar 2007 06:03