Thanks for the quick response! Granted a slow USB hub would work for a single test setup, but is it possible to slow the AM335x USB down permanently to 1.1 speeds? Presumably something sets the device up for 2.0 speed and the OTG handshaking, can that be forced into slow speed mode?
Cheers, Keith - kegsys On Wednesday, June 29, 2016 at 11:22:08 AM UTC-7, RobertCNelson wrote: > > On Wed, Jun 29, 2016 at 12:13 PM, kegsys <[email protected] <javascript:>> > wrote: > > So I have a need to slow down the USB port on the BBB to 1.1 speeds. But > its > > unclear to me how the USB registers are being configured for 2.0 speeds > and > > OTG negotiation. > > What do I need to change in the Bootloader (u-boot/SPL) or the Linux > > configuration source files to force it to remain as a usb device at only > 1.1 > > speeds? > > Plug in a usb 1.1 (only) hub.. > > https://www.amazon.com/D-Link-DSB-H4-4-Port-USB-1-1/dp/B000023VUL > > now every downstream device will be usb 1.1 only.. > > 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/43ad926c-e1f7-4243-a1ef-adac0c1fc6fe%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
