http://exploringbeaglebone.com/chapter12/ <http://exploringbeaglebone.com/chapter12/>
Regards, John > On Feb 15, 2016, at 10:57 AM, joelk <[email protected]> wrote: > > I thought it would be more useful to start a new thread about this. > > On another thread (here: > https://groups.google.com/d/msg/beagleboard/G2l4uzUMnzk/aGV6jsJJAwAJ) : > > On Monday, February 15, 2016 at 12:42:28 AM UTC-5, RobertCNelson wrote: > Nah.. Depends on the USB camera and kernel version... The USB bus on the BBB > is very picky.. > > > Is that just a polite way to say "defective"? > > The reason I was preparing the Debian uSD card image that led the the > questions in my post last night was all the trouble I've been experiencing > while trying to use my Logitech C615 webcam with the BBB running your > ubuntu-14.04.3-console-armhf-2016-01-14 image. This camera works perfectly > with any of my Linux PCs and with the Raspberry PI 2. But on the BBB, half > the time I find errors in dmesg like "link is not ready" or > "systemd-udevd[357]: timeout 'v4l_id /dev/video0'" resulting in "Failed to > open /dev/video0: Permission denied". > > I thought I would try another image on the probably silly hope that I'd have > more luck with Debian. Making matters even worse, frequently the result of > "sudo reboot" is not reboot, but simply halt -- that seems to be correlated > with the times that the usb webcam fails. This obviously makes it impossible > to work on it remotely. If I'm not there to unplug and replug the power I'm > out of luck. > > I got the BBB (and the Ras Pi) primarily to play around with some vision > (using OpenCV and v4l2) and robotics ideas. So far everything I try leads me > down multibranching sidetracks which are interesting but counterproductive. > I do want to learn more about embedded systems in general, but that wasn't my > immediate goal. > > Long story short -- am I wasting my time with the BBB? > > > > -- > For more options, visit http://beagleboard.org/discuss > <http://beagleboard.org/discuss> > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
