Device Drivers
in [Programming]
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WinUSB as a filter driver? Hi, if I write a UMDF USB driver whats the connection between the USB Device an the Kernelmode? The WinUSB driver, right? If it is so, how could I install the WinUSB for the device as a filter driver? The paper "how to use WinUSB to communicate with a USB Device" describes how to install WinUSB as a f... 9 Feb 2010 12:52
beginning UMDF Driver for PIC Hi(a)All, Aim: App <-> UMDF USB Driver <-> ??? <-> USB PIC/FW The PIC runs with the manufacturer driver. This driver is thrown away and I would substitute it with an own UMDF driver. Therefor I must install WinUSB driver as a filter driver, right? At the upper Edge of the stack is the UMDF USB driver, right... 24 Jan 2010 19:15
devcon and UpdateDriverForPlugAndPlayDevices Hello, I have a really weird problem. Normally I use devcon to install/update my custom kernel mode display driver. I have a custom installer that during an upgrade of my product does a "devcon remove my_display_driver" and then a "devcon install mydisplaydriver.inf my_display_driver". On Windows XP devc... 12 Feb 2010 16:52
DCD Filter Driver Hi All, I thought of playing with filter drivers as this was new to me. Initially I thought for writing a filter driver for audio class to record audio coming out of PC. But due to some reasons I had to scrap the product. My boss suggested for disk cache filter driver. The filter driver shall improve performa... 21 Jan 2010 11:12
NDIS Intermediate Driver Vista Issue I have inherited an NDIS 5.1 intermediate driver which runs correctly under XP yet with Vista the processor occupancy shoots up as soon as the user part of the application (a firewall) is started. The culprit appears to be the time taken to call the Windows GetIfTable function. To test my understanding of interme... 25 Jan 2010 09:26
updated driver in OOBE(audit mode) no longer selected in norma To update the driver, we did an 'uninstallation' from control panel and then re-ran setup.exe do install the new one. Does that mean a 'sysprep generalize' will revert all driver installation happened in OOBE? If that's the case, I guess that's the problem as we did use generalize to go back to !audit mode. ... 27 Jan 2010 16:04
GetJob inside Port Monitor returns different type of pMachineName Hello! I have developed a Port Monitor which is running fine for the last few years. Now I had to add some functionality which includes information about the client machine where the printjob was originally submitted. After calling GetJob with JOB_INFO_2 I use the pMachineName field. But now I have the prob... 25 Jan 2010 16:15
How to access data buffers in a completion routine for a KMDF driv I'm porting a WDM upper filter driver to KMDF version. I have two questions about data accessing in a completion routine. 1. In the completion routine of my WDM upper filter driver, it was able to retrieve data from Irp->AssociatedIrp.SystemBuffer( The IRP is using Method Neither I/O, and the data was set by f... 20 Jan 2010 10:39
WdfUsbTargetDeviceGetInterface fails The below code: WDFUSBINTERFACE UsbInterface ; UsbInterface = WdfUsbTargetDeviceGetInterface( pDeviceContext->WdfUsbTargetDevice,2); UsbInterface is returning NULL, I have tried giving the... 22 Jan 2010 18:37
updated driver in OOBE(audit mode) no longer selected in normal mo Greetings, We're trying to update our mouse filter driver to a newer revision inside OOBE(audit mode in W7). It seems the updated driver is properly loaded after rebooting to OOBE; however, if we switch back to normal mode, OS only selects the old driver. Is there any way to force the !audit mode OS to loa... 20 Jan 2010 18:36 |