Re: Multi-channel receive

[Chris Wj <chr...@gm...>]

On Thu, Mar 29, 2012 at 7:50 PM, Stefan Richter
<st...@s5...>wrote:

> On Mar 29 Chris Wj wrote:
> > With the new firewire-core (Juju) modules, I am no longer limited by the
> > system's pagesize, correct? I am expecting S800 8K packets and the page
> > size of the x86_64 system is set to 4K.
>
> This should indeed work.  IIRC there are libdc1394 users who do actually
> capture video streams with packets larger than 4 kiB.
>
> So our software supports that, but be warned that Texas Instruments
> controllers will not work for you.  They have a too small isochronous
> reception FIFO and will inevitably give you corruption due to dropped (or
> maybe incomplete?) packets.
>
>
Oh man... I just went back and checked and my host controller has the Texas
Instruments TSB82AA2 chip! It is the Data Optic 1394b PCI Express
Controller. Do you foresee me having to get a new controller? How big of an
issue do you think this will be for me?


> You are going to need Agere FW643E or FW643E2 controllers for this; they
> have suitably large FIFOs.
>