Hi Madhu, > You are conneceting one Digital camera to your android dev phone(target) > right? Yes.
> Are you using which usb driver functinaalities(ex:pictbridge or otg)? uvc that is USB Video Class > I have one doubt whether android is supporting otg ? if its supporting > please can you clarify me? I need to check, it should. > Cn you clarify me your device have any usb composite functionalites ? no. After enabling UVC, vfl2 regisrtation happened by it, when the camera is plugged and "/dev/video0" file gets generated. On Dec 23, 10:12 pm, Madhu Rao <[email protected]> wrote: > Hi Sachin, > > On Tue, Dec 22, 2009 at 3:47 PM, sachinikam <[email protected]> wrote: > > Looks like video_register_device(VFL_TYPE_GRABBER) is not called from > > anywhere that may be reason of not seeing "/dev/video0" > > > On Dec 22, 2:43 pm, sachinikam <[email protected]> wrote: > > > Hi, > > > > I have a Logitech USB camera connected on my board. > > You are conneceting one Digital camera to your android dev phone(target) > right? > Are you using which usb driver functinaalities(ex:pictbridge or otg)? > I have one doubt whether android is supporting otg ? if its supporting > please can you clarify me? > Cn you clarify me your device have any usb composite functionalites ? > > > > > > > > I have also enabled the CONFIG variables for V4L2 by menuconfig. > > > When I do fd = open("/dev/video0", O_RDWR) it fails saying that no > > > such file > > > or directory. > > > Then through shell I checked for the file /dev/video0 but it wasn't > > > present > > > there. > > > > When I connect camera I can see the serial message for camera is > > > connected and its details. > > > I want to know when I connect the USB Camera who creates the /dev/ > > > video0 file? > > > Do I need to create it in init.rc file? I believe V4L2 framework > > > should do it? > > > How does the V4L2 will be invoked when USB camera is connected who > > > initializes it? > > > If I want to get the preview frames from V4L2 is the /dev/video0 > > > right > > > file? > > > > I get the following message on Serial port:- > > > usb 2-1.2: USB disconnect, address 5 > > > usb 2-1.5: new full speed USB device using tegra-ehci and address 6 > > > usb 2-1.5: New USB device found, idVendor=046d, idProduct=08af > > > usb 2-1.5: New USB device strings: Mfr=0, Product=0, SerialNumber=0 > > > usb 2-1.5: configuration #1 chosen from 1 choice > > > > Quick help will be appreciated. > > > > Thanks in advance. > > > Sachin Nikam. > > > Thanks, > > Madhu > > > > > -- > > You received this message because you are subscribed to the Google > > Groups "Android Developers" group. > > To post to this group, send email to [email protected] > > To unsubscribe from this group, send email to > > [email protected]<android-developers%2bunsubs[email protected]> > > For more options, visit this group at > >http://groups.google.com/group/android-developers?hl=en- Hide quoted text - > > - Show quoted text -- Hide quoted text - > > - Show quoted text - -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en

