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[01:06:30] <seb_kuzminsky> ok, you test & i'll merge
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[01:23:53] <arrowbook> does the stepgen.c only drive the stepper motors? if so, then where's the servo motors controlled?
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[01:58:36] <Tom_itx> pwmgen
[01:59:38] <cradek> wellll
[01:59:57] <cradek> linuxcnc outputs requested positions every servo cycle
[02:00:08] <cradek> you can track that with motors in lots of ways
[02:00:42] <cradek> a servo machine most often uses pid and a velocity-mode output of some kind
[02:01:13] <cradek> some servo amps take digital pwm, some take analog voltage specifying velocity
[02:01:18] <cradek> still others do other things
[02:01:43] <cradek> you can run all of them with linuxcnc by using appropriate hal building blocks appropriately :-)
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[02:10:33] <cradek> and it's a mistake to think that software stepgen is always involved in driving stepper motors
[02:10:40] <cradek> there is huge flexibility and variation
[02:14:06] <arrowbook> thankyou, do you mean stepgen.c can also drive servo motors?
[02:14:41] <cradek> what is your real question? are you trying to build a machine or solve a problem or figure out what hardware to buy or what?
[02:16:52] <arrowbook> i want to make my 4 axes machine to move by transforming the offset to pulse
[02:18:02] <arrowbook> and i want to know the internal mechnism
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[05:51:55] <seb_kuzminsky> jepler: the tests/t0 runtime went from ~158 seconds in 2.6 to ~167 seconds in mdi-drop
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[10:23:59] <KGB-linuxcnc> 03John Thornton 052.7 bdc4271 06linuxcnc 10(6 files in 2 dirs) Docs: fix some anchor locations * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=bdc4271
[10:23:59] <KGB-linuxcnc> 03John Thornton 052.7 299eacb 06linuxcnc 10docs/src/gui/gmoccapy.txt Docs: clean up and fix anchors and markup * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=299eacb
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[12:14:50] <KGB-linuxcnc> 03John Thornton 052.7 34d66bc 06linuxcnc 10docs/src/getting-started/about-linuxcnc.txt 10docs/src/getting-started/getting-linuxcnc.txt Docs: markup fixes * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=34d66bc
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[12:59:26] <jepler> seb_kuzminsky: thanks for timing it.
[12:59:33] <jepler> that seems acceptable in the context, if it fixes the reliability problem there
[13:00:30] <jepler> 2.7 must be just about ready .. for the next prerelease
[13:04:57] <arrowbook> hi, can also the servo motors be drived by the stepgen.c?
[13:06:22] <Tom_itx> as cradek mentioned yesterday, it would depend on the servo driver
[13:08:26] <archivist> some servo drives have step dir inputs
[13:09:46] <skunkworks> but that is a yecky way of doing it...
[13:10:02] <archivist> I think it is silly too
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[13:55:33] <skunkworks> pcw_home, your info on intel nics should go into the hm2_eth docs
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[14:35:02] <seb_kuzminsky> jepler: mdi-drop only wrecks pipelining on about 1/8 of the mdi commands
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[14:36:30] <KGB-linuxcnc> 03Sebastian Kuzminsky 052.6 6385409 06linuxcnc 10src/emc/task/emctaskmain.cc task: warn when dropping queued mdi commands * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=6385409
[14:36:30] <KGB-linuxcnc> 03Sebastian Kuzminsky 052.6 4f1dd3e 06linuxcnc 10tests/t0/nonrandom/expected-gcode-output 10tests/t0/random-with-t0/expected-gcode-output 10tests/t0/random-without-t0/expected-gcode-output 10tests/t0/shared-test.sh tests: avoid mdi queueing after gcodes that can fail * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=4f1dd3e
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[14:40:02] <KGB-linuxcnc> 05seb/2.6/mdi-drop 305cd3d 06linuxcnc 04. branch deleted * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=305cd3d
[14:44:40] <KGB-linuxcnc> 03Sebastian Kuzminsky 052.7 831be6b 06linuxcnc 10src/emc/task/emctaskmain.cc Merge remote-tracking branch 'origin/2.6' into 2.7 * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=831be6b
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[15:35:46] <skunkworks> so there. I don't have to play telephone!
[15:35:51] <skunkworks> :)
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[15:47:53] <pcw_home> dgarr: is it ok if I post you GUI watchdog demo to the forum for emcPT?
[15:47:54] <pcw_home> (might help determine if its a GUI or USB hang)
[15:48:14] <cradek> any sign that he has looked in dmesg?
[15:51:02] <pcw_home> no :-(
[15:54:48] <seb_kuzminsky> next time i tune a pid loop i want to wear this shirt:
https://fabrily.com/negativefeedback
[15:56:58] <jepler> tee hee
[15:57:06] <jepler> you can wear it next time you review my changes too
[15:57:18] <seb_kuzminsky> haha
[15:57:40] <seb_kuzminsky> jepler: do you agree with andypugh that the carousel demo has no known bugs at this time?
[15:58:30] <jepler> seb_kuzminsky: I can't say that I've used the carousel demo enough to be able to answer that.
[15:58:45] <jepler> seb_kuzminsky: I've resolved both preexisting problems that were exposed by carousel
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[16:07:44] <seb_kuzminsky> right
[16:07:45] <seb_kuzminsky> cool
[16:08:17] <seb_kuzminsky> i want to release 2.6.9 and 2.7.0~pre7 this week, does anyone know of anything else that needs to be fixed first?
[16:08:43] <seb_kuzminsky> i feel like we should do one of those nasa misson control style go/no-go roll calls
[16:08:48] <cradek> do it!
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[16:12:02] <fenn> peanut gallery GO
[16:13:17] <seb_kuzminsky> heh
[16:13:23] <jepler> so cradek and I speculated about the duplicate label reporting and yes, a very obvious sequence of things to do can trigger it falsely after my fix.
http://paste.ubuntu.com/12049002/
[16:13:53] <jepler> basically, during the write/test cycle you will trigger it over and over again when you move the line where an O-label is
[16:14:28] <seb_kuzminsky> i have ceased to be surprised by interp's wonky behaviors
[16:15:10] <jepler> hitting reload seems to be the easy workaround for this
[16:15:38] <seb_kuzminsky> reload? of the splash screen?
[16:15:49] <jepler> right
[16:16:05] <seb_kuzminsky> wow
[16:19:09] <jepler> argh help I'm binge-reading Existential Comics
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[20:34:26] <jepler> >
[20:34:26] <jepler> G92 - This command, when used with axis names, sets values to offset variables.
[20:34:31] <jepler> I'm a native english reader and I can't even
[20:34:51] <cradek> that's bad. baaaaad.
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[21:05:37] <seb_kuzminsky> cool, the debian kernel folks are switching from svn to git
[21:05:47] <seb_kuzminsky> this will make it easier for us to make rtai kernels in the future
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[23:46:52] <KGB-linuxcnc> 03Sebastian Kuzminsky 052.7 0ee3624 06linuxcnc Merge remote-tracking branch 'origin/andypugh/carousel_demo' into 2.7 * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=0ee3624
[23:47:45] <andypugh> <awaits build failures>
[23:49:12] <seb_kuzminsky> it looks good to me andypugh
[23:49:33] <seb_kuzminsky> i just noticed the vismach model shows the spindle spinning
[23:49:35] <seb_kuzminsky> :-)
[23:50:10] <andypugh> seb_kuzminsky: Yes, I needed to show the spindle rotating to show the orient working.
[23:50:21] <andypugh> (Try MDI an M19 command :-)
[23:52:23] * seb_kuzminsky mdis
[23:53:38] <seb_kuzminsky> neat!
[23:53:57] <andypugh> (Spindle orient is part of the tool change procedure)
[23:54:06] <seb_kuzminsky> right
[23:54:13] <seb_kuzminsky> very cool, thanks for that work!
[23:54:14] <seb_kuzminsky> bbl
[23:54:29] <Tom_itx> andypugh does that cause it to stop on the spindle index?
[23:54:40] <andypugh> When 2.7 merges up to Master I need to remember to change the config to use the new “is oriented” output from “orient”
[23:55:27] <andypugh> Tom_itx: Not in this case, as the Vismach model doesn’t have an index. It’s an absolute position thing.
[23:55:51] <Tom_itx> if it had an index would M19 stop on the index pulse?
[23:56:27] <andypugh> Yes, if the spindle encoder has been reset to index
[23:56:27] <cradek> andypugh: that demo is very neat. also, it helped us notice bugs. yay!
[23:56:55] <Tom_itx> or is the R word an angle from the pulse to stop on if specified...
[23:56:59] <andypugh> I am not sure what the best way is to home a spindle.
[23:57:17] <Tom_itx> it will likely vary from one machine to the next
[23:57:20] <andypugh> It almost looks like a job for a dedicated component.
[23:57:40] <Tom_itx> some may require the R word some may just use the index pulse
[23:58:14] <andypugh> (when home goes high, set index-enable, turn on the spindle at a low speed, turn off the spindle when index-enable goes low)
[23:58:27] <Tom_itx> also the spindle will need to raise and lower to pick up the next tool
[23:58:51] <Tom_itx> on some carousels
[23:58:59] <andypugh> Have you looked at he demo?
[23:59:06] <Tom_itx> no i haven't yet
[23:59:07] <andypugh> The spindle does go up and down.
[23:59:12] <Tom_itx> ahh cool
[23:59:20] <Tom_itx> can you specify the distance?