Re: [Libusb-devel] libusb not detecting all USB devices

[Oliver S. <Ol...@sc...>]

Am Freitag 13 März 2009 schrieb Tim Roberts:
> Oliver Schwabedissen wrote:
> > T:  Bus=08 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  4 Spd=12  MxCh= 0
> > D:  Ver= 1.01 Cls=dc(unk. ) Sub=00 Prot=00 MxPS=64 #Cfgs=  2
> > P:  Vendor=09bf ProdID=00db Rev= 1.01
> > S:  Manufacturer=Auerswald GmbH & Co. KG
> > S:  Product=COMpact 2206
> > S:  SerialNumber=A292115
>
> The 2.4 kernels included a specific kernel driver for this device, but I
> don't see that in 2.6.

It was dropped in kernel 2.6.27 because Auerswald stopped development and 
switched to libusb.

> > The telephone switchboard is dev #4 on bus #08. Do you see a reason why
> > libusb doesn't see it?
>
> Libusb doesn't see it because it's not in /proc/bus/usb -- just that
> simple.  The question you should ask is, "why isn't it in /proc/bus/usb"?
>
> From that listing, I would expect it to be present at
> /proc/bus/usb/008/004, or /prob/bus/usb/008/006 after the messages log
> you posted.  There's nothing in /proc/bus/usb/008?

It is there (the device is now #7):

T:  Bus=08 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  7 Spd=12  MxCh= 0
D:  Ver= 1.01 Cls=dc(unk. ) Sub=00 Prot=00 MxPS=64 #Cfgs=  2
P:  Vendor=09bf ProdID=00db Rev= 1.01
S:  Manufacturer=Auerswald GmbH & Co. KG
S:  Product=COMpact 2206
S:  SerialNumber=A292115
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=  0mA

 ~ # ls -l /proc/bus/usb/008
total 0
-rw-rw-r-- 1 root usb        43 Feb 16 11:03 001
-rw-rw-r-- 1 root cyberjack 111 Mar 13 01:14 005
-rw-rw-r-- 1 root usb       110 Mar 13 20:00 007


-- 
Ciao,
	Oliver

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