On Apr 8, 2013, at 3:07 PM, Caylan Larson wrote:
> I'm doing an asynchronous read from a USB printer. The read works correctly.
> My trouble is updating a NSTextField from within the callback.
I don’t know the USB API, but I’d guess the callback gets invoked on some
background thread, in wh
I'm doing an asynchronous read from a USB printer. The read works correctly.
My trouble is updating a NSTextField from within the callback.
> -(IBAction)printTest:(id)sender
> { ….
> NSLog(@"starting async read: %@", _printerOutput);
> NSLog(@"_printerOutput pointer = %p",