Hi Ron,
I make extensive use of the serial control in a couple of my large
applications, and I'm not getting the lockup. Specifically, one of my
apps (<http://www.adpartnership.net/ScopeDriver/>) sends data at
pretty frequent intervals (commands spaced at between 5 and 15 ticks)
to a telescope.
Have you tried commenting out the code that plays the QuickTime
audio, just to isolate this as a contributing factor? Are you keeping
the serial port open the entire time, or attempting to open and close
it each time you write?
Steve
I've eliminated QuickTime from the mix, and I'm still getting system
lockups. Using Shark, it tells me that my serial driver's routine
"FTDIUSBSerialDriver::getUSBDevice()" is being called several hundred
times during the lockup period.
I am keeping the port open the entire time. For testing purposes, I
could try the opposite... but I don't really want to end up with that
being the solution because I do receive data from the port as well,
at fairly random times. During my testing I have the receiving part
disabled, by the way.
Thanks,
Ron Benditt
Alien Apparatus Company, Inc.
http://www.alienapparatus.com
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