On Wed, 28 Mar 2001, Stephen J. Gowdy wrote:
> mount -t usbdevfs none /proc/bus/usb
Great, that was it. Now I get a device listing. But none of my /dev/videoX
work. V4L was installed and it created all the /dev/videoX entries, but
any program that tries to access it returns an error. I'm not sure where
to go from here. Also I'm trying to find a program that can stream
directly from the cam, or take fast snapshots. Any suggestions?
# cat /proc/bus/usb/devices
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 8 Spd=12 MxCh= 2
B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 0.00
S: Product=USB UHCI Root Hub
S: SerialNumber=dce0
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
T: Bus=01 Lev=01 Prnt=08 Port=01 Cnt=01 Dev#= 9 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=ff(vend.) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0553 ProdID=0202 Rev= 0.00
S: Manufacturer=STMicroelectronics
S: Product=USB Dual-mode Camera
C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr= 70mA
I: If#= 0 Alt= 0 #EPs= 0 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
I: If#= 0 Alt= 1 #EPs= 1 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl= 0ms
# lsmod
Module Size Used by
cpia_usb 4528 0 (autoclean) (unused)
cpia 46832 0 [cpia_usb]
usb-storage 24288 0 (unused)
usb-uhci 22976 0 (unused)
videodev 5056 0 [cpia]
-- Robi
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