David Brownell wrote:
Alexander Dreweke wrote:
Oh, ok I've forgot to give you one more information, I'm programming a
HC driver for an operating system. So I have to take care of such
things. :o) So now my question makes a bit more sense i hope
For Linux?
No for the Jx OS. It's a OS which is tot
On Tue, 1 Jul 2003, David Brownell wrote:
> Alexander Dreweke wrote:
>
> > Oh, ok I've forgot to give you one more information, I'm programming a
> > HC driver for an operating system. So I have to take care of such
> > things. :o) So now my question makes a bit more sense i hope
>
> For Linux
Alexander Dreweke wrote:
Oh, ok I've forgot to give you one more information, I'm programming a
HC driver for an operating system. So I have to take care of such
things. :o) So now my question makes a bit more sense i hope
For Linux?
Does the device drive have to take care of resetting the end
Ok. With maintain the toggle bit i mean i have to have a boolean
variable and when it's true then i set the toggle bit in the actual
transfer descriptor. Or how does the controller know when to set this bit?
You don't have to maintain any toggle bits. The host controller driver
does so for yo
On Tue, 1 Jul 2003, Alexander Dreweke wrote:
> >>4: I must maintain the toggle bit for each established pipe (beside for
> >>the iso).
> > 1 - 3 are correct. 4 is misleading: _You_ don't have to maintain
> > anything; the host controller driver automatically takes care of that for
> > you.
>
> O
4: I must maintain the toggle bit for each established pipe (beside for
the iso).
1 - 3 are correct. 4 is misleading: _You_ don't have to maintain
anything; the host controller driver automatically takes care of that for
you.
Ok. With maintain the toggle bit i mean i have to have a boolean
variab
On Tue, 1 Jul 2003, Alexander Dreweke wrote:
> Hi,
>
> I'm trying to understand the data-toggle mechanism but I find the spec a
> little bit confusing. Could someone please explain me the details?
>
> What I (believe to) know at the moment is:
> 1: If the toggle-bit in a transfer-descriptor is s
Hi,
I'm trying to understand the data-toggle mechanism but I find the spec a
little bit confusing. Could someone please explain me the details?
What I (believe to) know at the moment is:
1: If the toggle-bit in a transfer-descriptor is set, then the data1-pid
is used, if it isn't set then data0-pi