rodolphe
Posts: 2
Joined: Thu Apr 05, 2018 8:27 pm

PiZero Webcam avec ou sans hub usb

Wed Apr 18, 2018 9:57 pm

Bonjour,
j'essaie de connecter une camera usb (premier prix : GEMBIRD).
celle-ci fonctionne sans problème si je passe par un hub usb (non alimenté), mais ne fonctionne pas en directe malgré le fait qu’elle soit reconnue.
quelqu'un a-t-il une solution?

avec hub:

[email protected]:~ $ lsusb
Bus 001 Device 006: ID 1908:2310 GEMBIRD
Bus 001 Device 005: ID 05e3:0606 Genesys Logic, Inc. USB 2.0 Hub / D-Link DUB-H4 USB 2.0 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[email protected]:~ $ fswebcam
--- Opening /dev/video0...
Trying source module v4l2...
/dev/video0 opened.
No input was specified, using the first.
Adjusting resolution from 384x288 to 320x240.
--- Capturing frame...
Captured frame in 0.00 seconds.
--- Processing captured image...
There are unsaved changes to the image.
[email protected]:~ $


sans hub:

[email protected]:~ $ lsusb
Bus 001 Device 004: ID 1908:2310 GEMBIRD
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[email protected]:~ $ fswebcam
--- Opening /dev/video0...
Trying source module v4l2...
/dev/video0 opened.
No input was specified, using the first.
Adjusting resolution from 384x288 to 352x288.
--- Capturing frame...
Timed out waiting for frame!
No frames captured.

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