On Thursday 29 September 2016 12:15:01 Gene Heskett wrote: > Greetings all; > > Sitting here waiting for the coffee to kick in, and lamenting the > difficulty in doing math in hal. > > That bit of hal stuff I can watch with a halmeter needs some math to > translate the encoder counts of the overshoot into actual distance it > represents. Then somehow, dynamically as the g33.1 is running, diddle > the z distance its using as the turn around point so the first one, > cutting air, would establish the z offset for the next peck, doing > this on a peck by peck basis. A wrapper for the G33.1 could do that > before starting the next peck. I think that overshoot value is still > valid at the point where its back to doing its incrementing of the > depth it hands g33.1 for the next peck. > > So, how can I store the output of a hal module to memory?, > > Such that the gcode can access it #4990 style and use it to adjust the > z point its working with. IOW I need to be able to make a memory > location out of something one would normally be looked at with a > halmeter. With that, I could do the math in gcode to make a g33.1 > peck cycle wrapper self correct for the overshoot. > > Here is what I have now: just incomplete enough to be confusing I'm > sure. ======================== > # Now, lets see if we can track the G33.1 turnaround overtravel > # first, make a sum2 a sub2 > setp sum2.ovrtrvl.gain0 -1.0000 > > # then net the sample holds but sample needs s32, not float so use > count net ovrtrvl1 hm2_5i25.0.encoder.00.count > sample.dirchg.in sample.spndlchg.in net spindle-ccw => > sample.dirchg.hold > net spindle-reverse abs.encdir.is-negative > sample.spndlchg.hold > > # and calc the overtravel from S32ś > net ovrtrvl2 sample.dirchg.out > S32_float_cmd.in net ovrtrvl3 S32_float_cmd.out > sum2.ovrtrvl.in0 net ovrtrvl4 > sample.spndlchg.out S32_float_spndl.in net ovrtrvl5 > S32_float_spndl.out sum2.ovrtrvl.in1 > > # the hal pin sample.ovrtrvl.out should be shown with a hal__meter > ============================== > And its this last sample.ovrtrvl.out that I want to put in a memory > location. > > > Cheers, Gene Heskett
And I was running into a get out of here deadline to get the toy over to toy for some recall work, and forgot to say thank you for any ideas that could be used. Thank you. 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> ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
