Boot the board with your hub connected and after boot run the commands
below, then test hot-plug.
echo on > /sys/bus/usb/devices/usb1/power/control
echo on > /sys/bus/usb/devices/usb1/1-1/power/control
On Wed, May 28, 2014 at 6:04 AM, <[email protected]> wrote:
>
> Hi,
>
> Thank you for the response.
>
> The boot issue i've solved it with a soft start circuit and now it is
> working.
>
> The hot plug problem, i'm still struggling to find a solution because i
> can't find one, is there any suggestions to solve it?
>
> Thanks.
>
> Duarte Carona
>
>
> Terça-feira, 27 de Maio de 2014 15:33:04 UTC+1, RobertCNelson escreveu:
>
>> On Mon, May 26, 2014 at 5:33 AM, <[email protected]> wrote:
>> >
>> > Hi,
>> >
>> > I've been working with USB Hub from Texas Instruments (TSUB2046BVF) and
>> i've
>> > tried to plug it to my BBB and everything works fine if i plug devices
>> > before BBB boot up but when i unplug and plug again (hotplug) it is not
>> > recognized.
>> >
>> > Based on some forum posts I realized that this is a Software problem on
>> the
>> > BBB, so my question is if there's any new update or some workaround to
>> solve
>> > this problem?
>> >
>> > Another question is regarding the power using only the USB, is there
>> any
>> > current restrictions during BBB boot up? because if i power some HW to
>> BBB
>> > 5V (consuming about 150mA) the BBB does not boot.
>>
>> Well, the usb spec gives you "only" 100mA till you request more. So I
>> don't see that design booting off a "standard" usb port any time soon.
>>
>> Regards,
>>
>> --
>> Robert Nelson
>> http://www.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.
