Device Drivers

Code 10 error
When i installed the kmdf driver for USB mass storage device,setupapi.dev.log file contains a warning : Device has problem: 0x0a: CM_PROB_FAILED_START. What is the reason behind this problem? ... 23 Mar 2010 03:27

IPrintOemUni2 And IPrintOemUi2
Is it an either/or situation where you can only have a rendering or interface driver and not both? I started with the Bitmap driver sample and wanted to also include IPrintOemUi2, but intellisense was having none of that. Looking in the "PRCOMOEM.H" header, I saw that interface was grayed out due to "#ifndef KE... 21 Mar 2010 03:50

Build fails with DDK 7600, OK with 6001.18002
RamenWarrior <RamenWarrior(a)nospam.nospam> wrote: I dropped a character when I typed that error message. The line number is 453. The sources file is about 300 lines and I don't know if it is appropriate to upload all of it here. I took a closer look at the error and noticed that the path is r... 20 Mar 2010 22:11

Error Code 52 On Signed 64-Bit Kernel Driver - More Signing Needed
In expanding our drivers to support Windows Seven 64-bit, we've run into a snag, with error code 52. We're currently using a minimal .INF to try to get one card working in just this environment, and once it works we'll expand it for the other 100+ products and combine it with our 32-bit .INF. We have a certifi... 20 Mar 2010 08:31

Character that can be used for DeviceDesc
A commercial at (@) is used in our product name. I want to use the name for DeviceDesc of INF Sections without change. I could not find a rule whether we may use '@' character or not. Is '@' character allowed to use for DeviceDesc of INF Sections? Thanks Taka ... 19 Mar 2010 02:44

How to configure a ISA hardware in the "LogConfig"
I have modify my ISA driver like a Pnp dirver according to some good heart' advice Then , I make a ISA.inf file for my ISA.sys, and installed into the XP. Then ,there is a new prolbem, The XP does gives the ISA card the memory resource I configured in the ISA.inf. The hardware resource I set in the ISA... 21 Mar 2010 13:52

Virtual Soundcard Driver
Hello, i intend to program a virtual soundcard device driver. This driver should represent a 5.1 channel audio device. The PCM data, which it receives, will be converted to AC3 and send via a real soundcard's spdif to another device. I had a look at the msvad pcmex sample driver of the WinDDK. This driver wou... 20 Mar 2010 22:11

get speed between device incorrect in Win7 with two controller
when I debug a 1394B image device driver on windows 7 x64, I found the result of REQUEST_GET_SPEED_BETWEEN_DEVICES requesting incorrect sometimes, I have two controller, one 1394B (TI's PCIE chip), one is 1394A, my image device run at S800, and connected on 1394B port. I want to get the speed between device and ... 18 Mar 2010 05:58

WLK 1.5: IO Cancellation with Direct IO on network storage (Pr
Hi Miki, I finally found out how to do that in the on-line help. The procedure which you described is there. However, I don't think that procedure should apply to me. I'm just testing a non-NDIS networking-over-USB driver we have. My client machine just connects to a USB gadget - the sole purpose for this i... 17 Mar 2010 14:47

How to work with StorportLogSystemEvent
I am trying to rewrite some code that relies on IoWriteErrorLogEntry using the newer function StorportLogSystemEvent. Most of the parameters seem to line up nicely but I am wondering about the string manipulations. How can I access the RTL unicode functions from my storport driver? When I include wdm.h I encou... 17 Mar 2010 18:43