On Mon, 21 May 2007, Steve Calfee wrote:
> Hi Alan,
>
> About EHCI frame numbers. From the EHCI manual section 2.3.4:
>
>
...
>
That's alright; I have a copy of the spec. You don't need to include
a lengthy extract, just put a reference to a section number.
> So FRINDEX does count microfram
At 12:47 PM 5/21/2007, Alan Stern wrote:
Dave:
The situation with regard to start_frame is a mess. Although the name
and the documentation refer to frame numbers, for high speed devices
the value stored there is a microframe number instead.
Clearly anyone who's interested in the value will want
On Mon, 21 May 2007, David Brownell wrote:
> On Monday 21 May 2007, Alan Stern wrote:
> > Dave:
> >
> > The situation with regard to start_frame is a mess. Although the name
> > and the documentation refer to frame numbers, for high speed devices
> > the value stored there is a microframe number
> > Clearly anyone who's interested in the value will want to know the full
> > microframe number. But on the other hand, the value returned from
> > ehci_get_frame() actually _is_ a frame number, so there's no way for
> > drivers to learn the current microframe. Thus we have several related
> >
On Monday 21 May 2007, Alan Stern wrote:
> Dave:
>
> The situation with regard to start_frame is a mess. Although the name
> and the documentation refer to frame numbers, for high speed devices
> the value stored there is a microframe number instead.
>
> Clearly anyone who's interested in the va
Dave:
The situation with regard to start_frame is a mess. Although the name
and the documentation refer to frame numbers, for high speed devices
the value stored there is a microframe number instead.
Clearly anyone who's interested in the value will want to know the full
microframe number. But