Re: getting 1394 port information

On Fri, 2004-01-30 at 17:37, pat leang wrote:
> I have an ieee1394 card that can support up to 3 firewire cameras. I was
> wondering if it is possible to determine which port the cameras are attached
> to. Each camera has a unique GUID, and sometimes they are connnected to
> different ports on the ieee1394 card. I'd like to be able to find where
> each camera is connected on the card by matching their GUID with the port.
> Is this possible? and how?
>
No, the physical connector on the card is meaningless unless you have a
multi-port card. But your usage of the term "port" differs from what I
mean by a "multi-port card." In IEEE 1394 terms, a "port" refers to a
virtual host adapter. In IEEE 1394, the software interface knows nothing
about physical connectors. However, on a multi-port card, some connector
are assigned to one virtual host adapter or another. What is the model
of your adapter?

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