Definitely would use tty. I have rolled my own and also will have a cape soon. On Nov 18, 2013 5:32 PM, "Corey McGuire" <corey...@coreyfro.com> wrote:
> Hey Freezen, > > I am having a huge headache with USB, as well. This is how I have solved > the problem, somewhat indefinitely, but I would love your feedback and > perspective on it. > > So, I have a very nice USB hub, Multi-TT, yadda yadda: > > https://www.google.com/shopping/product/16657881332461573039?q=multitt%20hub&client=ubuntu&hs=6zE&channel=fs&biw=1301&bih=678&ei=NqCKUprbLaWViALGyICgDg&ved=0CKEEEKYrMAE&prds=scoring:p > > (you can find it cheaper) > > Apperently Hot-Plug works IF the hub you have is booted with a device > installed in it. For example, I can hot plug in a wireless adapter so long > as I have a thumbdrive installed in the hub when my BBB boots. > > I Imagine your xbee's will be installed in the hub when you boot, but if > they drop out and come back in, you may get a USB Babble Error if there is > nothing else in the hub. > > https://github.com/beagleboard/kernel/issues/64#issuecomment-28486198 > > Maybe getting a decent hub and leaving a thumbdrive in the hub will make > your system more stable. > > I know, it's a lame solution, but it is what it is. > > Another possibility is just getting some xbee breakout boards and > connectiong the XBee directly to your BBB's tty's. A protocape and a pair > of XBee breakouts would get you around the USB subsystem completely. This > might be preferred, anyway. > > http://www.droids.it/cmsvb4/content.php?143-990-001-XBee-Simple-Board > > or > > https://www.sparkfun.com/products/8276 > https://www.sparkfun.com/products/8272 > > with > > http://www.adafruit.com/products/572 > > > On Fri, Nov 15, 2013 at 9:45 PM, <kfree...@gmail.com> wrote: > >> Hi, >> >> Thanks for the suggestion. I cannot try your suggestion at the moment as >> I do not have the beaglebone black here with me at the moment. If the >> problem turns out to be the hotplugging bug, is there any sort of patch to >> fix the bug? I'm planning to use the beagleboard in a production >> environment, so I would really prefer not to add an extra piece of hardware >> to the equation. >> >> Maybe I should approach the problem from a different angle. Are there >> any Xbee capes out there for the beaglebone black? That would work out >> much better than having a cable and a Xbee USB adapter, and would reduce >> the probability of failure somewhat. >> >> Regards, >> >> Kent Friesen >> >> On Friday, November 15, 2013 4:46:23 PM UTC-8, kfre...@gmail.com wrote: >>> >>> Hello, >>> >>> First a little bit of a background: >>> >>> I have a beaglebone black connected to the mains with a 5V, 1A DC power >>> supply. >>> I'm running an Xbee USB adapter board (http://goo.gl/ygIboV), and an >>> XBee 900HP >>> (http://goo.gl/0ZhtM6<http://digi.com/products/wireless-wired-embedded-solutions/zigbee-rf-modules/point-multipoint-rfmodules/xbee-pro-900hp>) >>> on the USB port. >>> It's running stock Angstrom Linux. >>> >>> The problem is this: >>> >>> About every 24 hours, the lights on my Xbee adapter board turn off and >>> the device is nowhere to be seen on my lsusb output. Usually I can still >>> ssh into the board after this happens. After a reboot, the board is fine >>> for another 24 hours before the same thing happens again. >>> >>> I have a hunch that the problem is the power supply, but is there >>> anything else I could try before I go out and buy a new, more powerful >>> supply? >>> >>> My other question is why would the Xbee work at all if the problem is in >>> fact a power supply that isn't strong enough? >>> >>> Thanks, >>> >>> Kent Friesen >>> >> -- >> 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 beagleboard+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > > > -- > Everything should be made as simple as possible, but no simpler - Albert > Einstein <http://en.wikipedia.org/wiki/Albert_Einstein> > Simplicity is the ultimate sophistication - Leonardo Da > Vinci<http://en.wikipedia.org/wiki/Leonardo_Da_Vinci> > Perfection is reached not when there is nothing left to add, but when > there is nothing left to take away - Antoine de Saint > Exupéry<http://en.wikipedia.org/wiki/Antoine_de_Saint_Exup%C3%A9ry> > Keep It Simple Stupid - Kelly > Johnson<http://en.wikipedia.org/wiki/Clarence_Johnson> > > -- > 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 beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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