Page 1 of 1
USB EHCI: beginning address of the Periodic Frame List
Posted: Sun Feb 28, 2010 11:35 am
by ehenkes
Try to write a host controller for USB - EHCI: "This 32-bit register contains the beginning address of the Periodic Frame List in the system memory."
Do you write the virtual or physical address to this "PERIODICLISTBASE - Periodic Frame List Base Address Register"?
Re: USB EHCI: beginning address of the Periodic Frame List
Posted: Sun Feb 28, 2010 12:11 pm
by osdnlo
Was this so hard for anyone else to answer? Let's get physical, physical... etc. Sheww that took two seconds, I'm tired.
Re: USB EHCI: beginning address of the Periodic Frame List
Posted: Sun Feb 28, 2010 3:10 pm
by pcmattman
Was this so hard for anyone else to answer?
You could try waiting more than half an hour for a response. Some of us don't check the forums every minute of the day, and we're all in different timezones.
Re: USB EHCI: beginning address of the Periodic Frame List
Posted: Sun Feb 28, 2010 4:08 pm
by osdnlo
Yeah, well it was viewed like 11 times before I made a post and at least 4 members were logged in and viewing this forum, so...
Re: USB EHCI: beginning address of the Periodic Frame List
Posted: Sun Feb 28, 2010 6:03 pm
by pcmattman
Chances are none of those members knew the answer. It makes you look a lot better in the eyes of the community if you just answer the question rather than make stupid comments.