#linuxcnc-devel | Logs for 2015-02-20

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[00:37:29] <seb_kuzminsky> when i try to change to topic of this channel, chanserv says i'm not authorized
[00:37:47] <seb_kuzminsky> at one point i was a channel op, do i need to reclaim that priviledge somehow?
[00:41:00] <Tom_itx> you need to be op to do that more than likely
[00:41:44] <Tom_itx> and yes you still are an op
[00:42:22] <Tom_itx> -ChanServ- Entry Nickname/Host Flags
[00:42:22] <Tom_itx> -ChanServ- ----- ---------------------- -----
[00:42:22] <Tom_itx> -ChanServ- 1 jepler +AFRefiorstv [modified 3y 5w 0d ago]
[00:42:22] <Tom_itx> -ChanServ- 2 cradek +ARSVefiorstv [modified 29w 2d 21h ago]
[00:42:22] <Tom_itx> -ChanServ- 3 SWPadnos +ARVefiorstv (co-founder) [modified 3y 5w 0d ago]
[00:42:22] <Tom_itx> -ChanServ- 4 alex_joni_ +ARVefiorstv (co-founder) [modified 3y 5w 0d ago]
[00:42:22] <Tom_itx> -ChanServ- 5 seb_kuzminsky +ARSVefiorstv [modified 29w 2d 21h ago]
[00:44:40] <Tom_itx> to op: /chanserv op #channel <nick>
[00:47:04] <Tom_itx> you can change it to open topic for anyone but you need to be an op to do that
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[00:52:58] <seb_kuzminsky> thanks Tom_itx
[00:54:16] <seb_kuzminsky> hm, do you mean /msg chanserv?
[00:55:53] <seb_kuzminsky> i dont think there's a /chanserv
[00:56:00] <seb_kuzminsky> there's a /channel, but that doesnt look like it
[00:56:12] <seb_kuzminsky> when i /msg chanserv that, it says:
[00:57:12] <seb_kuzminsky> You are not authorized to (de)op seb_kuzminsky on #linuxcnc-devel.
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[01:03:56] <seb_kuzminsky> bbl
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[01:18:37] <KGB-linuxcnc> 03Dewey Garrett 05dgarr/histo 44ee2ca 06linuxcnc 10(9 files in 6 dirs) hal-histogram: histogram util for s32,float pins * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=44ee2ca
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[01:57:51] <Tom_itx> seb_kuzminsky yeah sorry
[01:58:50] <Tom_itx> seb_kuzminsky syntax: /chanserv op #linuxcnc-devel seb_kuzminsky
[01:59:06] <Tom_itx> i just tested it in another channel i'm op in
[01:59:42] <Tom_itx> do that in this channel, not the freenode window
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[02:08:31] <kb1kdw> seb_kuzminsky: you there?
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[02:24:03] <kb1kdw> It seems that when I compile the .c output from comp --precompile, the line numbers in error messages are wrong. Is there some way I can fix that?
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[03:08:03] <cmorley> kwallace: does the PPi GUI use GTK2 glade? If it does we could use Gscreen to build a very similar GUI for linuxcnc. Assuming Tormach would let use use the glade file and probably a special GTK theme? Then add Andy's conversational bits...
[03:12:39] <kwallace> Yes we used Glade 2. Your idea sounds good off hand.
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[03:26:51] <mozmck> cmorley: what are the advantages of using Gscreen over just building a GUI from scratch like JThornton shows in his tutorials?
[03:31:36] <cradek> seb_kuzminsky: you have to tell chanserv to change the topic; don't use /topic and don't bother to op yourself
[03:34:53] <seb_kuzminsky> cradek: when i say "/msg chanserv topic #linuxcnc-devel my new topic", chanserv tells me i'm not authorized
[03:35:12] <cradek> are you identified with nickserv?
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[03:35:22] <seb_kuzminsky> kb1kdw: the line numbers are from the .comp that you --preprocess'ed
[03:35:27] <seb_kuzminsky> cradek: i think so
[03:35:30] <seb_kuzminsky> how can i tell?
[03:35:42] <cradek> ummm
[03:35:51] <cradek> just identify again?
[03:36:01] * cradek shoots into the darkness
[03:36:47] <Tom_itx> cradek you must be a channel op to change the topic
[03:36:52] <Tom_itx> i just tried it
[03:37:01] -!- mode/#linuxcnc-devel [+v seb_kuzminsky] by ChanServ
[03:37:14] <cradek> aha
[03:37:20] <Tom_itx> seb_kuzminsky, just op yourself then /topic #linuxcnc-devel 'new topic'
[03:37:33] <cradek> Tom_itx: no, that doesn't work, chanserv will change it back
[03:37:37] ChanServ changed topic of #linuxcnc-devel to: http://linuxcnc.org | Latest release: 2.6.6 | (this channel is logged by the zlog robot)
[03:37:39] <cradek> chanserv maintains our topic
[03:37:51] <cradek> I bet he wasn't identified
[03:37:51] <Tom_itx> you must have the flags set differently
[03:37:52] <seb_kuzminsky> i had to re-identify myself to nickserv
[03:37:55] <cradek> yay
[03:37:57] <seb_kuzminsky> brb
[03:38:02] <kb1kdw> seb_kuzminsky: Thanks. I found the #line directive. Clearning it allowed me to use the modified .c file with the right line numbers.
[03:38:31] <cradek> Tom_itx: I bet there's a hundred ways :-/
[03:39:35] <kb1kdw> seb_kuzminsky: In hostmot2.h, you put // please God where do these live in real life?
[03:40:19] <kb1kdw> Is that because the limits for INT32_MAX (2147483647) don't exist in limits.h ?
[03:41:06] <Tom_itx> cradek yeah i'm sure. some channels have open topic which can get carried away too
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[04:10:11] <seb_kuzminsky> kb1kdw: it's not available in kernel space (or at least i couldnt find it like 8 years ago when i wrote that code)
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[04:19:17] <kwallace> cmorley, I recall looking at other UI setups like GladeVCP and Touchy and recall that GladeVCP or similar was used to bridge Glade objects with LinuxCNC. We needed to have more flexibility with the graphics of the buttons and such. The setup that seemed to work was to create event boxes and attach the graphics over them.
[04:21:16] <kwallace> This prevents using the bridge so we needed to do all of the builder calls and HAL connections in our UI.py file. This is more typing but is not hard to do.
[04:22:41] <kwallace> Since this was setup before I got on board and it works well, so I haven't taken the time to fully understand it or to fully understand other UI systems.
[04:23:11] <kwallace> I would be interested in your ideas and work.
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[05:34:34] <seb_kuzminsky> whew
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[05:41:24] <KGB-linuxcnc> 03Sebastian Kuzminsky 052.7 a3e1557 06linuxcnc 10debian/changelog Merge remote-tracking branch 'origin/2.6' into 2.7 * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=a3e1557
[05:43:29] <KGB-linuxcnc> 03Sebastian Kuzminsky 05master 2d20def 06linuxcnc 10debian/changelog Merge remote-tracking branch 'origin/2.7' * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=2d20def
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[06:12:39] <KGB-linuxcnc> 03Sebastian Kuzminsky 05seb/2.7/sam 069d6b0 06linuxcnc 10src/Makefile 03src/emc/motion/cycle-time.c 10src/emc/motion/mot_priv.h 10src/emc/motion/motion.c Motion: move cycle time management code out to its own file * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=069d6b0
[06:12:39] <KGB-linuxcnc> 03Sebastian Kuzminsky 05seb/2.7/sam eed52da 06linuxcnc 10src/emc/motion/command.c Motion: better debug output * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=eed52da
[06:12:39] <KGB-linuxcnc> 03Sebastian Kuzminsky 05seb/2.7/sam 72a6b7e 06linuxcnc 10(5 files in 2 dirs) start adding a Standalone Motion test program * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=72a6b7e
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[08:04:09] <cmorley> mozmck: convenience, standard methods, plus it would help to better Gscreen's available functions. It's funny to me that lots of people wanted a customizable screen, so i built the infrastructure and they either ignore it or build one from scratch - reinventing the wheel :)
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[08:09:24] <cmorley> Kwallace: I imagine the flexibility needed was for the fancy looking images? It could have been done with the theme engine. Gscreen allows the full power of Glade - you can mix gladevcp objects with non. It supports a python 'handler file' to add custom touches.
[08:10:25] <cmorley> I would be interested to play with the glade file if it was available
[08:10:31] <cmorley> Night
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[08:28:51] <linuxcnc-build> build #1183 of 1405.rip-wheezy-armhf is complete: Failure [4failed compile] Build details are at http://buildbot.linuxcnc.org/buildbot/builders/1405.rip-wheezy-armhf/builds/1183 blamelist: Mick <arceye@mgware.co.uk>, dummy, Michael Geszkiewicz <micges@wp.pl>, Chris Radek <chris@timeguy.com>, Robert W. Ellenberg <rwe24g@gmail.com>, Bence Kovacs
[08:28:51] <linuxcnc-build> <bence.kovacs@generalmechatronics.com>, Norbert Schechner <nieson@web.de>, Moses McKnight <moses@texband.net>, Andrew Kyrychenko <amkyrychenko@gmail.com>, Sebastian Kuzminsky <seb@highlab.com>, Dewey Garrett <dgarrett@panix.com>
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[09:37:36] <linuxcnc-build> build #3006 of 0000.checkin is complete: Failure [4failed] Build details are at http://buildbot.linuxcnc.org/buildbot/builders/0000.checkin/builds/3006 blamelist: Mick <arceye@mgware.co.uk>, dummy, Michael Geszkiewicz <micges@wp.pl>, Chris Radek <chris@timeguy.com>, Robert W. Ellenberg <rwe24g@gmail.com>, Bence Kovacs
[09:37:36] <linuxcnc-build> <bence.kovacs@generalmechatronics.com>, Norbert Schechner <nieson@web.de>, Moses McKnight <moses@texband.net>, Andrew Kyrychenko <amkyrychenko@gmail.com>, Sebastian Kuzminsky <seb@highlab.com>, Dewey Garrett <dgarrett@panix.com>
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[17:35:47] <seb_kuzminsky> crap, i broke gantries :-(
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[17:54:35] <skunkworks> We give you 1 job...
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[18:00:13] <seb_kuzminsky> heh
[18:00:54] <seb_kuzminsky> i thought i was being careful with testing the nontrivkins jogging change and didn't see any problems, but i guess i missed something
[18:02:19] <seb_kuzminsky> a friend in the brl-cad project has offered to let us piggyback on their GSoC application
[18:02:40] <seb_kuzminsky> any suggestions for student projects, or should i just pull things off the feature-request tracker?
[18:04:23] <seb_kuzminsky> something outside the critical path, something that can be tested
[18:04:50] <seb_kuzminsky> gantry homing maybe? that'll be testable after we finish the standalone-motion test framework
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[18:13:31] <skunkworks> jog while pause? (sorry)
[18:14:42] <seb_kuzminsky> heh
[18:15:07] <seb_kuzminsky> after we fix the architectural obstacles, that might be a good student project (for the right student, with the right mentors)
[18:18:18] <skunkworks> I would think there would be a lot of universities that would love to get some hands on motion control
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[18:50:51] <dgarr> i want to do a u32/s32 in a .comp, i added #include "rtapi_math64.h" and it works rtai but fails halcompile on uspace . I can patch halcompile.g to make it work but not sure if that is right solution. I could also convert the .comp to .c but would rather not. More info:
[18:50:52] <dgarr> http://www.panix.com/~dgarrett/stuff/tst.comp
[18:51:10] <dgarr> oops i mean u64/u32
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[18:53:02] <skunkworks> pcw_home, is it me or the post you quoted missing from the forum thread? (I go the email...)
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[18:59:07] <cradek> dgarr: I don't understand what is trying to do 64-bit things
[18:59:45] <cradek> is the uspace ubuntu 12.10 a amd64 kernel?
[19:00:05] <dgarr> i didn't include them in the example just to keep it simple, the example fails because of the #include "rtapi_math64.h"
[19:01:39] <pcw_home> skunkworks: its out of order somehow (cnczone forums always seem on the verge of collapse)
[19:02:18] <dgarr> pcw had suggested adding min,max to latency-histogram and in doing that i was going to add a calculation for variance, need to accumulate in rtapi_u64 type hence u64/u32
[19:03:35] <skunkworks> pcw_home, ah - I see his post now.. so odd.
[19:08:07] <seb_kuzminsky> ok, we're on the brl-cad (aka CAx) GSoC application :-)
[19:10:52] <dgarr> now i see my change to halcompile.g probably doesn't work so question is how can i use rtapi_math64.h functions in a .comp file that will work on both uspace and rtai?
[19:14:22] <seb_kuzminsky> dgarr: bldc.comp seems to be using 64-bit ints, and it works on both
[19:14:55] <seb_kuzminsky> here's last year's GSOC CAx page: https://www.google-melange.com/gsoc/org2/google/gsoc2014/brlcad
[19:15:56] <dgarr> seb_kuzminsky: bldc.comp doesn't use the div functions from rtapi_math64.h
[19:16:26] <seb_kuzminsky> hmm, right
[19:16:38] <seb_kuzminsky> but it uses the data type that your compile error complained about, right?
[19:18:08] <dgarr> the problem is not the data type but using the functions defined in rtrapi_math64.h
[19:18:53] <dgarr> sserial.c uses them but no .comp file uses them hence my question
[19:19:38] <dgarr> do i have to convert my .comp files to .c files to use functions defined in rtapi_math64.h
[19:20:13] <seb_kuzminsky> it'd be better to fix halcompile
[19:20:52] <dgarr> my fix is not right, so i don't know a good solution
[19:20:56] <seb_kuzminsky> sounds like you're close, by juggling what halcompile #includes, right?
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[19:54:55] <dgarr> ok, after fixing some typos , i think my change to halcompile.g does work, tested on a uspace and a rtai system:
[19:54:56] <dgarr> http://www.panix.com/~dgarrett/stuff/0001-halcompile.g-provide-rtapi_math.h.patch
[19:55:12] <dgarr> i am just not sure it is the right solution, please advise
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[20:57:30] <seb_kuzminsky> dgarr: i'll take a look at it later today/tonight
[20:57:34] <seb_kuzminsky> glad you got it working
[20:57:47] <seb_kuzminsky> i dont really know how that stuff's supposed to work either, but between us we can figure it out
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[20:58:08] <dgarr> it seems harmless , i'm just not sure
[20:58:34] <seb_kuzminsky> does anyone have anything they want me to say to tormach?
[20:59:28] <Tom_itx> tell them welcome to the right side of the tracks
[20:59:33] <seb_kuzminsky> i plan to express gratitude for sponsoring the work on the new planner, and hope that we can keep collaborating well together
[20:59:37] <seb_kuzminsky> heh yep
[21:02:02] <CaptHindsight> did someone say that the new planner is going into 2.7? or already is
[21:02:21] <cradek> already
[21:02:33] <cradek> please test
[21:02:46] <PCW> its been there for quite a few months
[21:03:00] <CaptHindsight> ok, so it's that one
[21:03:13] <CaptHindsight> I thought maybe it was a newer new one
[21:03:35] <PCW> Has Sam posted any of his torture tests?
[21:04:01] <CaptHindsight> he was posting all sorts of tests with that planner
[21:04:01] <skunkworks> as in?
[21:04:22] <skunkworks> a lot of the programs that found to have problems where integrated into robs tests.
[21:04:22] <PCW> been runnin hm2_eth for more than a year now, it might as well run some TP torture
[21:04:31] <skunkworks> oh
[21:04:52] <CaptHindsight> if it detects that you're running it on a reprap it refuses to start
[21:07:06] <PCW> Cant trip up 3.18.7-rt1 at 4 KHz even with the usual things (kernel compiling and youtube videos at once)
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[21:17:29] <mozmck> PCW: what motherboard/CPU is that on?
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[21:39:47] <KGB-linuxcnc> 03Francis Tisserant 05seb/master/po4a eafe2c6 06linuxcnc 10docs/html/index_fr.html 10docs/src/gui/gmoccapy.fr.po 10docs/src/gui/gmoccapy_fr.txt 03src/po/gmoccapy/fr.po French doc translation update * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=eafe2c6
[21:41:09] <PCW> Gigabyte H81-d3 Pentium G3258
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[21:48:10] <PCW> Going to try a ASRock H97M Pro4 MB next (built in Intel MAC)
[21:49:55] <PCW> and also see if 3.18.7 improves the J1800 performance (which is fine at 1 KHz but marginal at 2 KHz)
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[21:51:57] <mozmck> have you tried any AMD boards?
[21:54:13] <PCW> the Biostar A68N-5000
[21:54:25] <mozmck> how does that compare?
[21:55:26] <mozmck> I plan to try 3.14.31 here soon - I got sidetracked by other projects right now.
[21:55:56] <PCW> its about like the J1800s fine for normal things with HM2-eth (1KHz fine 2 KHz marginal)
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[21:57:23] <PCW> 1 KHZ is fine for step/dir and velocity mode servos
[21:57:25] <PCW> 4KHz improves performance when running a torque loop
[21:57:43] <mozmck> ok, so 1khz is probably all I will need.
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[21:58:28] <PCW> even 500 Hz may be ok for step/dir systems depends on required accel
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[22:03:57] <mozmck> Hmm, we use 35 to 150 inch/sec^2, depending on the hardware.
[22:04:17] <PCW> Lower servo thread rate means larger velocity steps during acceleration (until I get busy and add acceleration to the stepgen hardware)
[22:05:19] <mozmck> oh, so 1000 velocity steps at 1khz?
[22:05:48] <mozmck> how will you add acceleration to the hardware? will that require sending more information from linuxcnc?
[22:05:51] <PCW> 1000 if it takes 1 second to accelerate
[22:06:04] <mozmck> yes, I meant to say per second.
[22:09:46] <PCW> Done by sending velocity and acceleration (I have to do a rate multiplier to scale the accel without increasing the accumulator length)
[22:11:47] <mozmck> you could send begin velocity and end velocity, and just smoothly ramp during the period...
[22:12:33] <PCW> Yeah it could be extracted
[22:14:02] <PCW> but ideally you want the velocity and acell for to get to the next waypoint (differences done in HAL or hardware would be late)
[22:15:36] <PCW> ( why I think the TP should hand out these numbers to the hardware )
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[22:17:36] <PCW> on your 150 inch/sec^2 machine what is the rapid speed?
[22:19:10] <mozmck> that would be the accel
[22:19:25] <PCW> yes...
[22:19:49] <mozmck> lets see, rapids up to 1200 ipm
[22:20:39] <PCW> so about 1/8 second to full speed
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[22:22:07] <mozmck> Yes, at the top end. Most probably don't run that fast.
[22:23:00] <mozmck> For plasma cutting thinner metals the cut speeds will be 200 to 300 ipm
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[22:28:11] <PCW> You can make the experiment as see if acceleration is noticeable smoother at higher update rates,
[22:28:13] <PCW> I suspect any noticeable roughness mainly disappears at 1 KHz or so
[22:28:14] <PCW> (at least I dont think Ive ever heard of anyone needing higher than 1 KHz for step/dir systems)
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