Greetings;

I am trying to use the lowpass filter in uptodate 2.6.1

>From the .hal file:
loadrt  lowpass                 names=lowpass.spindle
addf    lowpass.spindle         servo-thread
setp    lowpass.spindle.gain    .05
net     spindle-vel-fb          hm2_5i25.encoder.00.velocity lowpass.spindle.in 

To Test, start spindle at about 250 revs, call up a halmeter & look at 
lowpass.spindle.in, its the same as the 5i25's output, as expected.

Switch the halmeter to lowpass.spindle.out and it displays -nan.
At any commanded spindle speed including stopped.

Am I doing something wrong, or has the lowpass module been infected with 
bit rot?

Thanks guys.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>
US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS

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