> > *probably you used a wall adapter with integrated monitoring chip which > does not allow to overcurrent 500mA. You should use a dumb version of such > device when it simply supplies as much power as it can :)*
Was simply a guess on my behalf. As I recall Gerald saying that the USB will not pull more than 500ma. On Tue, Aug 11, 2015 at 4:48 AM, Maxim Podbereznyy <[email protected]> wrote: > probably you used a wall adapter with integrated monitoring chip which > does not allow to overcurrent 500mA. You should use a dumb version of such > device when it simply supplies as much power as it can :) > > 2015-08-11 14:42 GMT+03:00 William Hermans <[email protected]>: > >> *you can power a board by USB but from a special wall adapter with an >>> integrated USB socket. As an option* >> >> >> Yes, and we tried it. It was not enough power. It is also my >> understanding that powering the BBB in such a way can not give more than >> 500ma. It was not enough power. the canbus would not function at all part >> of the time. As soon as I applied power via barrel jack. Then problem went >> away. >> >> On Tue, Aug 11, 2015 at 4:35 AM, Maxim Podbereznyy <[email protected]> >> wrote: >> >>> you can power a board by USB but from a special wall adapter with an >>> integrated USB socket. As an option >>> >>> 2015-08-10 23:58 GMT+03:00 William Hermans <[email protected]>: >>> >>>> Hi Maxim, >>>> >>>> The reason why we did this is that the board in question was mounted to >>>> a piece of wood, that is screwed into a wall. So grounding Vbus would not >>>> have been easy. Vusb for us was really easy. Solder the outside pins on a >>>> USB A socket to the outer shielding, then plug a MALE A to mini B cable to >>>> the socket, and BBB. Took a total of like 5 minutes . . . >>>> >>>> Normally I do not worry about any of this, and use USB power. Except >>>> this time for this project we needed the canbus running, and powering via >>>> USB cause the canbus to be less than reliable. >>>> >>>> On Mon, Aug 10, 2015 at 9:36 AM, Maxim Podbereznyy <[email protected]> >>>> wrote: >>>> >>>>> William, or short Vusb to 5V, the result is the same - total >>>>> stability. You can do it if you need to enable the USB-Host function at >>>>> USB0 >>>>> >>>>> 2015-08-08 23:22 GMT+03:00 William Hermans <[email protected]>: >>>>> >>>>>> So far shorting Vusb to ground seems to be doing the trick. We'll >>>>>> give it a couple days to be "sure". Prior to shorting Vusb to ground, >>>>>> this >>>>>> linux image would reboot several times a day ( 4-5 ) >>>>>> >>>>>> william@xanbustester:~$ uptime >>>>>>> 13:20:26 up 15:28, 3 users, load average: 0.01, 0.02, 0.05 >>>>>>> william@xanbustester:~$ uname -r >>>>>>> 4.2.0-rc4-bone2 >>>>>>> >>>>>> >>>>>> >>>>>> >>>>>> On Fri, Aug 7, 2015 at 5:31 PM, William Hermans <[email protected]> >>>>>> wrote: >>>>>> >>>>>>> Starting new post . . . >>>>>>> >>>>>>> On Fri, Aug 7, 2015 at 5:19 PM, William Hermans <[email protected]> >>>>>>> wrote: >>>>>>> >>>>>>>> Ok, I'm stuck in a boot loop, what you see above is what I keep >>>>>>>> getting. Let me explore some. >>>>>>>> >>>>>>>> On Fri, Aug 7, 2015 at 5:17 PM, Robert Nelson < >>>>>>>> [email protected]> wrote: >>>>>>>> >>>>>>>>> On Fri, Aug 7, 2015 at 7:13 PM, William Hermans <[email protected]> >>>>>>>>> wrote: >>>>>>>>> > These TI kernels support nfsroot ? >>>>>>>>> >>>>>>>>> They should. ;) >>>>>>>>> >>>>>>>>> bone kernel: bone patchset + mainline >>>>>>>>> ti kernel: bone patchset + ti patchset + mainline.. >>>>>>>>> >>>>>>>>> Regards, >>>>>>>>> >>>>>>>>> -- >>>>>>>>> Robert Nelson >>>>>>>>> https://rcn-ee.com/ >>>>>>>>> >>>>>>>>> -- >>>>>>>>> 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. >>>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> >>>>>> -- >>>>>> 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. >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> LinkedIn - http://www.linkedin.com/in/maximpodbereznyy >>>>> Company - http://www.linkedin.com/company/mentorel >>>>> Facebook - https://www.facebook.com/mentorel.company >>>>> >>>>> -- >>>>> 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. >>>>> >>>> >>>> -- >>>> 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. >>>> >>> >>> >>> >>> -- >>> LinkedIn - http://www.linkedin.com/in/maximpodbereznyy >>> Company - http://www.linkedin.com/company/mentorel >>> Facebook - https://www.facebook.com/mentorel.company >>> >>> -- >>> 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. >>> >> >> -- >> 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. >> > > > > -- > LinkedIn - http://www.linkedin.com/in/maximpodbereznyy > Company - http://www.linkedin.com/company/mentorel > Facebook - https://www.facebook.com/mentorel.company > > -- > 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. > -- 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.
