wdf

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Creating WDF read request out of nothing?

Background: I\'m writing a virtual USB to RS232 driver. But since my hardware is a USB-chip (PDIUSBD12) and not a pure UART chip the driver needs some special tweaks. A PC using something like the Hyp[详细]

2023-04-12 07:04 分类：问答
I want to create a minifilter driver to transparently redirect disk i/o, but I'm having trouble getting started

A project I\'m working on at the moment requires the implementation of a copy-on-w/m mechanism which will be used to redirect disk i/o in a similar manner to Deep Freeze or Sandboxie, on Windows XP. I[详细]

2023-03-30 01:34 分类：问答
WDF UMDF driver install problem in windows 7 32 bit

I have a simple user mode usb driver that is installing and working fine in Windows XP 32 bit and Windows 7 64 bit, but for some reason fails to install correctly in Windows 7 32 bit. Do I need 2 sepa[详细]

2023-03-11 07:36 分类：问答
Windows sample driver builds properly but will not install,

I don\'t know if this is the right place to ask, since its technically not a programming question, but it conecerns driver development so anyway:[详细]

2023-01-30 17:58 分类：问答
UMDF- lock device in application level

I\'m writing a simple USB driver for our device using UMDF over WinUsb. The driver can be used by multiple application concurrently.[详细]

2023-01-25 04:35 分类：问答
WDF EvtIoDeviceControl buffer lengths

When handling DeviceIoControl requests in a WDF driver what is the correct way to get the size of the input/output buffer.[详细]

2023-01-17 08:14 分类：问答
Two Spinlocks on same processor?

Can two CPUs hold two \"different\" spin locks simultaneously at same time? So...does this mean: a sigle(un开发者_JAVA百科iprocessor) CPU cannot hold two \"different\" spinlocks at the same time?[详细]

2023-01-10 03:21 分类：问答
Calculate GPS coordinates to form a radius of given size

I\'ve come up with a method that takes a coordinate and a range (in miles) and return a list of coordinates that form a circle around the origin.I seem to have made some progress with it, but I have a[详细]

2022-12-21 04:27 分类：问答