[cpia] Problem with cpia-0.7.4
Jacob Nikom
nikom@merl.com
Tue, 25 Apr 2000 18:44:37 -0400
Hi Johannes,
I appreciate your help very much. Here is my directory
/proc/bus/usb and its content:
[ usb]# pwd
/proc/bus/usb
[ usb]# ls -l
total 0
dr-xr-xr-x 1 root root 0 Apr 25 17:40 001
-r--r--r-- 1 root root 0 Apr 25 17:40 devices
-r--r--r-- 1 root root 0 Apr 25 17:40 drivers
[ usb]#
[ prompt]# more devices
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 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=ff80
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=01 Port=01 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0553 ProdID=0002 Rev= 1.00
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=400mA
I: If#= 1 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=00 Prot=ff Driver=(none)
E: Ad=81(I) Atr=01(Isoc) MxPS= 0 Ivl= 1ms
I: If#= 1 Alt= 1 #EPs= 1 Cls=ff(vend.) Sub=00 Prot=ff Driver=(none)
E: Ad=81(I) Atr=01(Isoc) MxPS= 448 Ivl= 1ms
I: If#= 1 Alt= 2 #EPs= 1 Cls=ff(vend.) Sub=00 Prot=ff Driver=(none)
E: Ad=81(I) Atr=01(Isoc) MxPS= 704 Ivl= 1ms
I: If#= 1 Alt= 3 #EPs= 1 Cls=ff(vend.) Sub=00 Prot=ff Driver=(none)
E: Ad=81(I) Atr=01(Isoc) MxPS= 960 Ivl= 1ms
[ prompt]# more drivers
hub
usbdevfs
[ prompt]# more drivers
Regards,
Jacob Nikom
Johannes Erdfelt wrote:
>
> On Tue, Apr 25, 2000, Jacob Nikom <nikom@merl.com> wrote:
> >
> > Thank you very much for your help. I followed your advice and
> > mounted the device using fstab. Here is my fstab file:
> >
> > /dev/video /proc/bus/usb usbdevfs
> > defaults 0 0
>
> This is incorrect. It happens to work, but it should read:
>
> none /proc/bus/usb usbdevfs defaults 0 0
>
> > However, the gqcam program still cannot recognize the video device:
> >
> > prompt>gqcam
> > /dev/video: No such device
> >
> > I thought I need "video0" instead of "video" and recompiled frontend.c
> > but it did not help.
> > Do you know what could be wrong?
>
> video is a symlink to video0 on your machine so they are identical.
>
> Could you give me the output of /proc/bus/usb/devices?
>
> JE