On 9/3/2012 4:51 PM, Michael Haberler wrote:
> well, that seems to work just fine - no major surprises
>
> here's as screenshot from a logic analyzer connected to an Intel D5252 
> parport, running the userland parport driver in sim mode
>
> http://static.mah.priv.at/public/uparport.png
>
> it's a 1kHz square; there are delays of up to 4ms in this trace.
>
> it will be interesting to see how well that performs once the RT_PREEMPT 
> incantations are added
>
> - Michael
...

OT:
What is it about plotting software? Why can't they make the time axis 
have reasonable offsets? Why is it T+413, T+433, T+453 instead of T+410, 
T+430, T+450? Or better yet, T+400, T+420, T+440. I saw the same issue 
with a different plotting package while working on a recent contract.

We cared about details like this 45 years ago when plots were done on a 
Calcomp plotter. It's not rocket science. (Actually, I was working at 
Grumman on the Lunar Module at the time -- maybe it was rocket science.)

Ken


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