Re: [beagleboard] USB power and Hotplug problem

2014-06-02 Thread duartecarona
Hi, I've already solved the problem. I simply made an update and upgrade to my BBB ant it solved the problem. Now i can plug and unplug my devices and they are recognized by the BBB. I discovered that some releases of Angstrom has that problem, I've tried a few and some have and others

Re: [beagleboard] USB power and Hotplug problem

2014-05-28 Thread duartecarona
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

Re: [beagleboard] USB power and Hotplug problem

2014-05-28 Thread Cody Lacey
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, duartecar...@gmail.com wrote: Hi, Thank you for

[beagleboard] USB power and Hotplug problem

2014-05-27 Thread duartecarona
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

Re: [beagleboard] USB power and Hotplug problem

2014-05-27 Thread Gerald Coley
Yes, there is a current restriction on boot up. It is part of the USB standard and imposed by the PC. 100mA max until the ports is recognized by the PC. Gerald On Mon, May 26, 2014 at 5:33 AM, duartecar...@gmail.com wrote: Hi, I've been working with USB Hub from Texas Instruments

Re: [beagleboard] USB power and Hotplug problem

2014-05-27 Thread Robert Nelson
On Mon, May 26, 2014 at 5:33 AM, duartecar...@gmail.com 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