"Patrick Shirkey" <[EMAIL PROTECTED]> writes:

[...]

> I have made some progress in terms of getting the system to automatically
> recognise a device when it is connected but I have been unable to get more
> than one device to be accessible at the same time.

Hi Patrick,

I did some similar work, with about 20 devices.  I used these patches
to the startup scripts to get the devices to come up automatically,
which I found essential to everything working smoothly:

    
http://whereabouts.eecs.umich.edu/wiki/lib/exe/fetch.php?id=whereabouts_pda_setup&cache=cache&media=synce-serial-0.9.1-sg.tar.gz

They will only work with 128 devices right now, but some simple fixes
to IP address calculations should fix that.

I also had to upgrade to Linux kernel 2.6.15 (which was new at the
time); earlier versions would lock up if I plugged in 20 devices at
once.

I connected everything through a series of USB hubs, resulting on one
cable to plug into my laptop.

Beyond that, a standard vdccm did the trick.

> The devices that I am working with all have the same device name and
> product name. I believe this is a major obstacle. 

Yes, that's likely to be a problem.  IIRC, the main problem is just in
the way that vdccm names files; if the devices all have the same name,
their configuration files will conflict.

If you can think of something else to name the files based on, it
would be fairly straightforward to fix this.  You could probably even
use the IP address (which should always be unique), and create a
symlink from the device name to the address for backwards
compatibility.

Good luck!

----ScottG.

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