Would it be easy to re-factor your usb stuff to run on a separate
thread? In my mind, that's clearly the most robust solution.
Joe K.
On Apr 14, 2006, at 5:50 PM, John Goodman wrote:
I have a timer than needs to fire while the user drags an NSSlider.
I have seen solutions that use the NSRunLoop method
addTimer:myNSTimer forMode:NSEventTrackingRunLoopMode but my timer
is not an NSTimer, it's an MPTimer.
Is there some equivalent solution that will work in my case? I am
using the MPTimer API because I need repeatability to a mSec or
better, and NSTimer doesn't come close.
What I need to do is both regularly monitor the NSSlider value (I
have a custom subclass of NSTimer for other reasons, using a custom
NSSliderCell) and regularly write to the USB port (which I'm doing
with MPTimer and a MPSetTimerNotify using an MPSemaphore.) It is not
critical for me to read the slider completely regularly, but I
really need to send data to the USB port as regularly as possible.
This question is going to the cocoa-dev, the mt-smp, and just for
the hell of it, the usb list. Thanks to all of you for your
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