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[00:57:53] <jepler> a resolver is absolute-within-revolution, I think this kind of homing is for absolute-over-many-revolutions
[00:58:03] <jepler> we have support for some such encoders in hostmot2 don't we?
[01:01:17] <PCW_> Yes, for Fanuc serial pulsecoders, SSI and BISS
[01:01:39] <cradek> jepler: you're right, but it would still be possible to test with just one rev
[01:05:12] <PCW_> unfortunately eth-packet-loss has problems with sserial (maybe a race condition it works at low servo thread rates but not high rates)
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[01:39:10] <jepler> PCW_: noted. this machine doesn't have great latency so I haven't tried to get any results at faster than 1.25kHz
[01:40:42] <jepler> hmph, tried and failed to add peak triggering to halscope. I guess I need to tinker more with the capture logic than I had wanted to
[01:41:45] <jepler> it doesn't count values occurring after the trigger point in a trace as counting towards the peak-to-be-surpassed
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[01:44:34] <PCW_> the problem seem to only be at startup
[01:44:42] <PCW_> seems
[01:48:38] <jepler> PCW_: what's the symptom?
[01:48:47] <jepler> ah that simple change made peak detection work better
[01:50:08] <jepler> .. and how fast do you run before you see it routinely?
[01:51:32] <jepler> hm2/hm2_7i92.0: Smart serial card hm2_7i92.0.7i73.0.1 error = (8) Remote fault
[01:51:44] <jepler> ^^ this ?
[02:01:48] <skunkworks> looks like the matsuura only has a few tenths backlash on the x and y - but Z has close to .002. It seems consistant over the whole travel so hoping a loose bearing or mis-adjusted ball nut.
[02:04:05] <skunkworks> (it is nice having a jog wheel hooked up.
[02:04:33] <skunkworks> the pendent interface encoder counters are great - they are 1x
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[02:10:07] <andypugh> skunkworks: Did you see yesterdays update to carousel.comp?
[02:12:04] <skunkworks> andypugh, yes - I tried it just a little. If I first bring up the machine and poke one of the jog buttons it starts rotating and doesn't stop
[02:12:34] <skunkworks> if I then poke the oposite jog button it stops - then jogs normally.
[02:13:06] <skunkworks> I thought maybe it was homing and didn't have a tool number at that point - but giving it a tool number doesn't help the initial jog running forever
[02:13:39] <skunkworks> does that make sense?
[02:14:01] <skunkworks> (that is as far as I got testing it)
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[02:25:03] <KGB-linuxcnc> 03Jeff Epler 05jepler/master/eth-packet-loss ae7364e 06linuxcnc 10src/hal/drivers/mesa-hostmot2/sserial.c hostmot2: sserial: avoid glitches when starting to run * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=ae7364e
[02:25:03] <KGB-linuxcnc> 03Jeff Epler 05jepler/master/eth-packet-loss ab4eec3 06linuxcnc 10src/hal/drivers/mesa-hostmot2/sserial.c hostmot2: sserial: avoid long wait after lost packet * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=ab4eec3
[02:25:54] <jepler> PCW_: if it was the (8) Remote Fault message, I think I may have found where I introduced it. new branch drops the change that I claimed "avoided a reset loop" which was apparently my misunderstanding
[02:26:14] <jepler> I was confused between repeatedly writing 0x800 and 0x80000000
[02:26:20] <jepler> afk
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[02:31:33] <andypugh> skunkworks: Yes, the carousel needs to be homed before it can be jogged.
[02:32:12] <andypugh> Though I thought I had set things up so un-homed jogs were ignored.
[02:32:37] <andypugh> I will look at it if I get time tomorrow
[02:32:57] <andypugh> Yours is a single-direction index-type carousel?
[02:34:12] <andypugh> email me or try to catch me tomorrow, time to sleep, I have an early start tomorrow
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[03:15:10] <skunksleep> So... What if I wanted to home the tool chain at startup... I would have to know the tool that is in the spindle at shut down.. Possible?
[03:17:11] <skunksleep> If the carousel component was really fancy - it could home keeping track of the counts to the index - then return it to the pocket that was facing the spindle.
[03:21:14] <pcw_home> jepler: yes, remote fault
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[04:02:10] <KGB-linuxcnc> 03andypugh 05dgarr/ja14-abshome 0e4415a 06linuxcnc 10scripts/update_ini update_ini: Add the halui pins to the conversion * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=0e4415a
[04:02:11] <KGB-linuxcnc> 03Dewey Garrett 05dgarr/ja14-abshome c67aff2 06linuxcnc 10src/emc/ini/inijoint.cc 10src/emc/motion/homing.c 10src/emc/motion/motion.h 10src/emc/task/taskintf.cc homing,abs encoder, optn to suppress final move JA * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=c67aff2
[04:02:11] <KGB-linuxcnc> 03Dewey Garrett 05dgarr/ja14-abshome 21aa0f4 06linuxcnc 10docs/src/config/ini-config.txt 10docs/src/config/ini-homing.txt homing docs update for absolute encoder JA * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=21aa0f4
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[15:56:50] <pcw_home> jepler:
[15:56:51] <pcw_home> looks like the sserial remote error bug with eth-packet-loss is fixed, thanks!
[15:56:53] <pcw_home> Hmm "packet-read-timeout" works on one machine and not another
[15:56:54] <pcw_home> (works on 1.6 GHz 4 core N3150, but not on core-duo 3.16 GHz)
[15:57:44] <pcw_home> I'll have to try on the G3258
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[18:00:01] <KGB-linuxcnc> 03Dewey Garrett 05dgarr/ja14-abshome 57e98e5 06linuxcnc 10src/emc/motion/homing.c homing:handle neg home_seq for absolute encoder JA * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=57e98e5
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[20:30:32] <jepler> https://lwn.net/SubscriberLink/687600/e8299a301cb45470/ "Old projects and the free-software community"
https://lwn.net/SubscriberLink/687736/fdee2604b16b8369/ "The open-source generation cap"
[20:30:36] <jepler> er, "gap"
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[20:47:06] <mozmck> I like the idea of the company that had new hires walk through developing a system to handle all of the company's services.
[21:09:51] <cradek> those were both interesting reads
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[21:34:40] <jepler> wow, this is unexpected: with the eth-packet-loss branch I have run it for seconds and seconds at 4kHz on a USB ethernet adapter
[21:34:58] <jepler> it gets occasional packet errors because of USB being a festering pile, but of course it recovers and goes on with life
[21:35:02] <jepler> sssshhhh don't tell anyone
[21:36:29] <skunkworks> uh - sorry - already posted that linuxcnc runs on usb...
[21:38:47] <jepler> mozmck: I remember being that kid who believed everything should be simple, and the world got AXIS for it so I guess that turned out OK
[21:39:30] <jepler> but now I can't handle it when kids show up and say everything should be easy
[21:39:38] <mozmck> :-) simple is not bad, but not everything can be simple I don't believe.
[21:41:49] <mozmck> not just easy, but should be re-written in javascript and be a cloud-based web app running from their smart phone.
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[22:26:21] <malcom2073> jepler: you're getting old :)
[22:35:32] <malcom2073> Hehe, they call out sourceforge mailing lists for being "old" :-P
[23:12:18] <skunkworks> didn't someone create a hal component that saved/loaded a value?
[23:17:24] <skunkworks> ah -
[23:17:26] <skunkworks> http://thread.gmane.org/gmane.linux.distributions.emc.user/55402/focus=55405
[23:18:54] <skunkworks> ah - no
[23:23:14] <skunkworks> ah -
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?ContributedComponents#Parameter_Saver
[23:23:16] <skunkworks> maybe
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