From: Nicholas Riley <njriley-AT-uiuc.edu>
Date: 15 Jun 2009 03:23:56 UTC   (10:23:56 PM in author's locale)
To: xtensionlist-AT-shed.com

On Jun 14, 2009, at 10:06 PM, James Sentman wrote:

> Does it work at all? If you've moved to a new mac or re-install the OS
> you'll need to re-run the "install USB Device Support" from the file
> menu.

Yes, it does work.

> the background process that runs the low level interface will always
> quit if you pull the USB plug, and it may crash depending on the state
> of the driver when you do that. Thats one of the reasons why we wrote
> those low level communicators as separate apps, so they can crash if
> the system causes them to, but XTension can attempt to restart them.

Ah, OK, didn't realize the crashing was by design.

> If they continue to randomly crash or loose connectivity then you need
> to look for some USB issue, bad cable, bad hub, picking up noise on
> the line from something nearby, something that would be causing the
> USB bus to reset itself or think it's lost connectivity even when it
> hasn't really.

OK, thanks for the suggestions... the oldest piece is a 7-year-old USB
hub that might be the problem.

> USB is evil... This is one reason why I keep suggesting that people
> hold onto or buy new RS232 devices. As small as the market for USB/
> Serial adaptors is, it's still a gazillion times larger than the
> market for USB/X10 devices is and so those drivers will be
> significantly better tested by the time you need them than these other
> direct to USB devices.

I'm retiring several Macs at my parents' next week and I'll have a
spare USB-serial adapter and CM11a after that. Will try that too.

Thanks for the suggestions,

--Nicholas

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