USRP and USB 1.1

The guy in the cubicle next to me says that it is possible to talk to a
USRP
from inside a vmware player using my USB1.1 patch for the USRP library.
It
is to early to tell if you can do anything useful from vmware, but he
did
successfully run the tx and rx programs.

Hopefully, we can use this to test the patch to Eric and Matt’s
satisfaction. Their concerns center around moving a USRP between USB1.1
and
USB2.0 hosts. I’m attaching the patch just in case anyone else would
like to
play with it.

Philip

On Tue, Oct 17, 2006 at 09:09:12AM -0400, Philip B. wrote:

The guy in the cubicle next to me says that it is possible to talk
to a USRP from inside a vmware player using my USB1.1 patch for the
USRP library. It is to early to tell if you can do anything useful
from vmware, but he did successfully run the tx and rx programs.

Interesting!

Hopefully, we can use this to test the patch to Eric and Matt’s
satisfaction. Their concerns center around moving a USRP between
USB1.1 and USB2.0 hosts. I’m attaching the patch just in case anyone
else would like to play with it.

Philip, the patch will need to handle to handle the cases where the
USRP is already powered up and then is plugged into a 1.1 port, and
later into a 2.0 port, and vice versa. I suspect that taking a look
at the Cypress library source will provide a clue as to how to
proceed. IIRC, there’s an interrupt than can be enabled, that will
tell you when the speed changes. It might be called something like
“HS” or some such.

Philip

Eric

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