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From: Dan Ingalls [mailto:Dan.Ingalls@disney.com] On Macs, I believe mouse events are polled by the hardware every 16ms, and this will limit your resolution as Mark says.
Quick calculation: 2400 bits/sec (typical mouse, I think), 10 bits/byte inc. framing, 3 bytes/sample = 60 samples/sec or >16 ms between samples, limited by the bit rate.
I wrote a driver for a tablet that used the same protocol, so I'm pretty certain of these values.
- Peter
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