Device Drivers
in [Programming]
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ImagePath format Hi, When should the "\systemroot\system32\drivers\drivername.sys" format be used over the "system32\drivers\drivername.sys" format in the service ImagePath registry entry? What's the difference? TIA!! ... 24 Apr 2010 17:15
crash handling FSCTL_INVALIDATE_VOLUMES after surprise USB disk un Hi everyone, I am implementing FSCTL_INVALIDATE_VOLUMES for my on-disk filesystem and have managed to handle every case I can think of except the trivial one. I mean, I can handle forced dismounts from surprise disk removals (from e.g. unplugging USB disks) when there ARE open handles, but I've got a problem wh... 23 Apr 2010 12:52
Access permission for registry in Windows 7 Hi, Thank again. I have a question on registry access on Windows 7. I try to add a filter on USB Stack, and it needs to establish services key on windows registry. but Windows 7 refuses my MACHINE\SYSTEM\CurrentControlSet\Enum creating request. I can add a service key under Enum\Services for my filter, but I... 23 Apr 2010 21:42
signed catalog when using WinUSB.dll We are starting to switch to Microsoft's WinUSB.sys device driver for some of our USB devices. We access the driver thru WinUSB.dll . To get our driver 'signed' so that the user does not see any warnings on Vista and Windows 7 when the USB device is plugged in, it looks like we have to submit a driver package to... 1 May 2010 00:05
INF for Ports class CDC USB device using usbser.sys fails DTM If the flag is 0, Windows XP i386 New Hardware Wizard fails to install the device, and Setupapi.log records: #-035 Processing service Add/Delete section [DriverInstall.Services]. #E275 Error while installing services. Error 0xe0000219: The installation failed because a function driver was not specified for this d... 22 Apr 2010 10:21
USB device emulator Hi All! I need to emulate usb mass storage device. Could you help? What I need to read? Some samples? Thanks all for any info! Dmitry ... 22 Apr 2010 03:05
INF for Ports class CDC USB device using usbser.sys fails DTM INFT If a USB-to-serial CDC ACM specification device using usbser.sys is not classified as a modem, the New Hardware Wizard will not install the Virtual COM Port unless the INF file AddService directive Flags parameter has a value of 2 to set the SPSVCINST_ASSOCSERVICE bit. This causes both ChkInf and the DTM "INFTe... 21 Apr 2010 10:31
Bypass 16-point touch calibration Does anybody have an idea how to bypass 16-point touch calibration appearing on first calibration of a digitizer device. I am working with a capacitive touchscreen and don't need the extra outside square and some users find it hard to get their fingers on the corner spots. The 16-point calibration shows up on f... 19 Apr 2010 17:48
Setting/Changing the device name in Device Manager Hi, How do I change the display name in Device Manager? eg. serial ports show up as "Communications Port (COM1)" etc. I have similar multiple devices which I'd like to name as "MyDev0" "MyDev1" etc... (currently they show as the common name from the INF file) Can this be done programmatically from the driv... 20 Apr 2010 01:03
symbolic names for multiple instances of devices Hi, I've got a bus driver that (statically) enumerates a number of child devices (PDOs) for which I have a corresponding driver. FWIW this is a *closed* system and devices don't go away. I want to create ordered Symbolic names for each device - ie. MyDev0, MyDev1, ... etc, specifically so an application can op... 23 Apr 2010 03:28 |