Permissions to access USB camera under debian

[Micha Feigin]

On 07/02/2013 01:41 PM, Micha Feigin wrote:
> Doesn't seem to be a camera group (there is a camera user, which may 
> affect that), no v4l and video under the dev tree.
> Only thing I found that changes under dev during connection is these 
> two files:
>
> lrwxrwxrwx 1 root root 18 Jul  2 13:35 /dev/char/189:389 -> 
> ../bus/usb/004/006
> crw-rw-r-T 1 root root 189, 389 Jul  2 13:35 /dev/bus/usb/004/006
>
> So I don't think that it shows up as a camera but rather as a USB 
> device (which makes sense as it's a depth camera that returns three 
> images per frame with some extra related parameters, not a regular camera)
> Looks like I need to change something in the system setup to change 
> the default group or something similar
>
> Device shows up as this:
> 1865748.404803] usb 4-2: new high-speed USB device number 6 using ehci-pci
> [1865748.537404] usb 4-2: New USB device found, idVendor=1ad2, 
> idProduct=0075
> [1865748.537410] usb 4-2: New USB device strings: Mfr=1, Product=2, 
> SerialNumber=0
> [1865748.537413] usb 4-2: Product: 3D-SR4000
> [1865748.537417] usb 4-2: Manufacturer: MESA
>
> Thanks
>
> On 07/02/2013 01:14 PM, shimi wrote:
>>
>> On Tue, Jul 2, 2013 at 8:09 PM, Micha Feigin <michf at post.tau.ac.il 
>> <mailto:michf at post.tau.ac.il>> wrote:
>>
>>     Hi All,
>>
>>     I'm trying to connect a camera (Mesa Imaging Swissranger
>>     specifically) to a Debian unstable box. I'm getting an error that
>>     the user does not have permissions to open the USB device (needs
>>     read/write access). Couldn't find any relevant group to add my
>>     user to to solve the problem. Any idea as to how to grant access?
>>
>>     I've manged to get some information when running as sudo although
>>     it still was a bit problematic, and I'd rather explore the issue
>>     as a regular user and not root.
>>
>>
>> Do you have a 'camera' group? Alternatively you could look for *v4l* 
>> and *video* under the /dev tree...
>>
>> HTH,
>>
>> -- Shimi
>>
>
>
>
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And sorry for top posting, I picked up bad habits other places. Too long 
since I've been active on mailing lists apparently ...
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