On Thu, 20 Aug 2009 20:58:41 -0500, you wrote:

>Steve Blackmore wrote:
>> One reason it's far too slow is the totally unrealistic base period.
>> 62500 is way too slow, reading the integrator manual, it probably should
>> be much nearer 25000. 
>>
>>   
>It depends on the computer.  If it is just a slow CPU, or has a bad 
>jitter problem due to some hardware/software
>condition, then this may be as good as it can do.  You then have the 
>choice to fix the jitter problem, if possible,
>upgrade the CPU or the whole machine, or go to a hardware encoder counter.

Jon - you must have missed this bit from an earlier post. The 62500
figure came from stepconf.

>Worst latency I've managed to get doing several things at once and
>running a GL screensaver in a window is 12uS. Pulse diagram for drives
>shows a 1uS rise and fall time and a minimum duration of 2.5uS,
>direction must lead the rise by 2.5uS or greater.

Steve Blackmore
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