Description:
Microsoft developers newsgroup.
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CM_Get_First_Log_Conf() returns CR_CALL_NOT_IMPLEMENTED on Windows8/64bit
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A sample Win32 program (here: 32bit) retrieving LPT port addresses in user mode works well from Win98 upto Win7/64 but breaks on Windows 8.
Here is the source code snippet:
[link]
The function CM_Get_First_Log_Conf() returns CR_CALL_NOT_IMPLEMENTED here, and no address can be retrieved. Surprisingly, CM_Open_DevNode_Key(), called before using the same input parameter <devInfo.DevInst>, returns successfully.... more »
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serial-usb converter for debugging
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Hi, I got a serial cable and a usb-serial converter for kernel debugging. (My target has a serial port and my host only usb). I learnt I got the wrong cable, and I need a null modem cable. Now, I would like to know which option would work for me. 1. Is it possible for me to convert the serial cable to a null modem cable. (it has female pins at both ends ).... more »
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Custom filesystem implementation
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Hi to all,
we have to implement a custom filesystem for a new customer. A couple of years ago we implemented something similar through the Dokan framework.
Now, because Dokan is in end-of-life till 2011, we want find the right technology to do the same for Windows 7/8.
Anybody tell us what kind of technology we have to use (File System Filter Driver, File System Driver, Network Redirector Drivers, etc) to implement something like Dokan.... more »
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Win 7 Legacy driver using wrong gap count
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I have a Win7x64 systems that is under-performing from a 1394 standpoint. That is, the device is working fine until I start to push the bus throughput close to it capabilities, then data loss occurs (buffer overflows). If I try a different 1394a adapter on the same system, it works fine. I used a 1394 bus analyzer, and I see that my problem seems to be rooted in the gap count that the 1394 bus controller is choosing; it’s using the maximum (and default) value of 63, even though it’s a point-to-point connection (with a reasonable length cable). The working adapter will set the gap count to 10 or 11. The bus is not capable of chaieving the throughput I need with this very 'relaxed' setting for the gap count... more »
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Help Required Regarding RASEnumDevices API
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Hi,
I am working on WINCE5.0.I would like to know how RASEnumDevice API works.I am facing some issues with this API.Please find the details below.
The RASEnumDevice API returns the name and type of all the RAS capable devices.
I have a Serial FFUART driver in my BSP which is RAS capable.When RASEnumDevice is called from my application it fills the name of the RAS Capable devices in the RASDEVINFO Structure.... more »
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IM driver for capturing datacard data
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Hi I am new to devier development for Windows 7 OS and just want to check if NDIS IM Pass through drivers can capture datacard data. Datacards are USB device so do i need to write some kind of USB driver or NDIS IM driver will work. I need to capture datacard data and send a copy of it in to the use space.... more »
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Braindumps
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I am a student for IT Certification and want to remain in touch with other students.
RecentlyI visited [link] and found some good tips from the braindumpers which were very helpful for my exam. The site provides free braindumps for a wide range of exam.
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Forward wdf request to a Remot IO Target without creating new request.
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Hi,
Would it be possible to forward a read WDF request that my driver
(driver 1) received from an upper layer to another driver (driver 2)
that is part of a different driver stack? I just want to forward the
original request and I do not want to create a new WDF request. Is
this possible? If YES how? If NO why and what should I have to do?... more »
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Have a driver inject keys into \drv\kbdclass
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Hi, I currently have a software driver that's used for process
creation notification.
Would it be possible to add an IOCTL to it so that:
It can inject keys into the kbdclass stack?
I need to get ctrl alt del sent programatically.
A filter isn't as intuitive since It seems to me that it is driven by... more »
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