https://groups.google.com/forum/#!searchin/beagleboard/USB1_OC https://groups.google.com/forum/#!searchin/beagleboard/USB1_OC https://groups.google.com/forum/#!searchin/beagleboard/turn$20off$20USB$20power https://groups.google.com/forum/#!searchin/beagleboard/USB$20power$20control
On Wednesday, March 26, 2014 2:15:27 AM UTC-10, [email protected] wrote: > Pity you didn't search this group to see if someone has already done it > before. > > Author: AndrewTaneGlen > Date: Jan 17 > Subject: "Disabling/Enabling USB Host Power" > > And thanks to Andrew for his helpful contribution. > > Regards ... > > On Wednesday, March 26, 2014 8:36:02 PM UTC+11, Patrick Walters wrote: > >> Do you happen to know if this accessible from the CLI? >> I tried looking at :/sys/bus/usb/devices/1-0:1.0/port1/power and thought >> maybe I could edit the control file, but that didn't seem to work. >> >> 6.11 USB Host The board is equipped with a single USB host interface >> accessible from a single USB Type A female connector. Figure 48 is the >> design of the USB Host circuitry. >> 6.11.1 Power Switch U8 is a switch that allows the power to the >> connector to be turned on or off by the processor. It also has an over >> current detection that can alert the processor if the current gets too high >> via the USB1_OC signal. The power is controlled by the USB1_DRVBUS signal >> from the processor >> >> On Monday, March 24, 2014 3:19:41 AM UTC-10, mickeyf wrote: >> >>> I may have spoken hastily. See section 6.11.1 in the SRM. >>> >>> >>> >>> On Sunday, March 23, 2014 12:37:12 AM UTC-7, Patrick Walters wrote: >>>> >>>> >>>> uname -a >>>> Linux beaglebone 3.8.13 #1 SMP Thu Sep 12 10:27:06 CEST 2013 armv7l >>>> GNU/Linux >>>> >>>> Is it possible to control the power to the USB port on the board or a >>>> HUB from the CLI? >>>> >>>> My scenario is that I'd like to be able to turn something on\off that >>>> is powered from the USB connection. >>>> >>>> Thanks, >>>> -p >>>> >>> -- 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.
