USB Support

[Saulius Krasuckas]

* On Tue, 14 Apr 2015, Steve Kenton wrote:
> On 04/14/2015 06:04 PM, Saulius Krasuckas wrote:
> > * On Sun, 12 Apr 2015, Steve Kenton wrote:
> >> I spent some more time looking at this last night and it looks like 
> >> the registry enum keys are about every device ever plugged into the 
> >> system, whether it's currently present or not and the actual Windows 
> >> device tree is maintained in memory, so just the registry keys 
> >> probably won't suffice.
> > 
> > Steve, it won't of course.  But this is the first required step.  I 
> > would say that another way:
> > 
> > let's make the HwDetect [6] (custom program) work in Wine the same way 
> > it works in Windows (except for disabling devices -- just the 
> > monitoring part).  It reads very small amount of data from "Enum\USB" 
> > subkey (I guess).
> > 
> > Another step might be fixing Wine so "USB Device Tree Viewer" [7] 
> > works as in Windows.  But this one looks like a lot more complicated 
> > testcase.
...
> > [6] http://www.codeproject.com/Articles/14500/Detecting-Hardware-Insertion-and-or-Removal
> > [7] http://www.uwe-sieber.de/usbtreeview_e.html
> > 
> I was thinking along those same lines with something like the display 
> portion of Windows Device Manager. ~wine/server/device.c has some 
> routines for managing devices, I need to spend some more time 
> understanding the current state of things. But yes, it does look like a 
> good place to start.

In bug report 37724 Henrik Haftmann talks [8] about similar issue and 
offers code excerpt which uses related functions:

SetupDiGetClassDevs()
SetupDiEnumDeviceInfo()
SetupDiOpenDevRegKey()
SetupDiDestroyDeviceInfoList()
SetupDiEnumDeviceInterfaces()
SetupDiGetDeviceInterfaceDetail()

You might be interested in collaboration:)

S.

[8] https://bugs.winehq.org/show_bug.cgi?id=37724