#emc | Logs for 2011-08-16

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[01:02:13] <ve7it> Jymmm, cq cq
[01:02:52] <Jymmm> ve7it:
[01:02:58] <ve7it> http://www.youtube.com/watch?v=iVsNRX1hEVc latest cnc project for gold mining
[01:03:24] <ve7it> made a lot of blue pvc shavings
[01:04:18] <mikegg> is it possible to link a pyvcp button to a signal ?
[01:06:15] <Jymmm> ve7it: Is that for like the last process of seperating dust from black sand?
[01:06:31] <Jymmm> s/dust/gold dust/
[01:07:11] <ve7it> idea is to feed it washed and screened material about 3/8" minus... so it replaces a sluice box
[01:07:44] <Jymmm> ve7it: of so you dont need a flowing creek/river ?
[01:07:47] <Jymmm> s/of/oh/
[01:08:03] <ve7it> output is black sand concentrate
[01:08:29] <Jymmm> black sand WITH gold still in it?
[01:08:41] <ve7it> just a very small pump to wash the screen and feed the jig (like a 1" gas pump)
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[01:09:08] <Jymmm> very cool
[01:09:30] <ve7it> hopefully lots of gold!.... if the bedding material is changed it could be used to get rid of a lot of the black sand
[01:09:38] <Jymmm> ve7it: you have a claim?
[01:10:04] <ve7it> no... let them all lapse
[01:10:12] <Jymmm> ve7it: bummer
[01:11:18] <ve7it> its pretty easy to get permission for small scale operations on someone elses claims... most claim holders never work their claims and dont even have a clue if there is anything to find
[01:11:53] <Jymmm> ve7it: but dont they usually get like 20% if you find something on their land?
[01:12:04] <Danimal_garage> only if they find out lol
[01:12:45] <ve7it> all in negotiations.... I could charge them for sampling their claims and writing report!
[01:12:53] <Jymmm> ah, lol
[01:13:49] <ve7it> Up here, each claim needs a work report filed each year to keep the claim.... lots of claims need someone to work them.
[01:14:58] <Jymmm> ve7it: I wish I knew about GIS, I'd be analyzing guberment's databases and find the mudder lode!
[01:15:45] <ve7it> yea.. the price these days is pretty wild
[01:16:12] <Jymmm> $1600/oz
[01:16:21] <Jymmm> last week
[01:17:49] <Danimal_garage> dang
[01:18:28] <Danimal_garage> no wonder why the Mexicans around here are always knocking on my door asking if i have gold to sell
[01:18:58] <Danimal_garage> i say no, but i have a big hungry dog, do you have any children to sell? and then they run off...
[01:19:28] <Danimal_garage> i hate solicitors....
[01:21:30] <jdhNC> is that what it is?
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[01:43:22] <FinboySlick> ve7it: I'm fairly interested by your hobby.
[01:51:26] <ve7it> It makes for some nice summer days by the river
[01:51:46] <FinboySlick> ve7it: You prospect for placer sand?
[01:52:42] <ve7it> mostly just panning wherever I can... I am building the jig to handle a little more material than panning
[01:53:35] <FinboySlick> ve7it: So not quite as heavy as these, I asume: http://www.youtube.com/watch?v=Z8W7mXZX9sY
[01:54:22] <Tom_itx> those guys up in alaska didn't have any luck with one of those
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[01:54:31] <Tom_itx> maybe they didn't know how to use it
[01:55:02] <ve7it> yea... that is a very cool table.... that is what the concentrate from the jigs gets processed on. not really something to do on the riverbank!
[01:55:07] <FinboySlick> I live in a pretty cool area for this sort of activity... That said, I have no idea if there's black sand anywhere.
[01:55:15] <FinboySlick> Just lots of streams and rivers and quiet.
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[01:55:33] <Tom_itx> they wound up finding a guy that designed a belt with a magnet behind it to catch all the bad stuff
[01:56:25] <ve7it> Most of the stuff close to me is very fine flour gold.... a jig is much more controlled than a sluice and can recover the finer gold
[01:56:30] <FinboySlick> Okay. From what I'm reading here, one ought to find black sand that is magnetic? Or is black sand the output of some other process?
[01:56:49] <Tom_itx> FinboySlick, yes
[01:57:04] <Tom_itx> black sand that is magnetic
[01:57:13] <Tom_itx> it filters out the bulk of the heavy material
[01:57:18] <FinboySlick> Tom_itx: So not the output of some other process.
[01:57:18] <ve7it> black sand is a heavy iron ore and a lot is magnetic
[01:57:24] <Tom_itx> no
[01:57:40] <Tom_itx> you should go to discover and look up that series
[01:57:53] <Tom_itx> watch a few episodes and you will find what i'm talking about
[01:57:54] <FinboySlick> Well, scampering along streams with a magnet could be a fun start.
[01:58:00] <ve7it> if you are getting black sand, you should be seeing gold in it if there is any in the area
[01:58:05] <FinboySlick> Tom_itx: What series?
[01:58:24] <Tom_itx> umm i forget the name but it was about gold mining in alaska
[01:58:31] <ve7it> If your process is loing black sand, its probably also losing gold
[01:58:38] <ve7it> losing
[01:58:39] <FinboySlick> Tom_itx: One of those new reality kind of shows?
[01:58:45] <Tom_itx> yea
[01:59:00] <ve7it> "gold rush Alaska"
[01:59:06] <FinboySlick> ve7it: Yeah, I'm kind of OCD so I doubt that'd be much of an issue for me.
[01:59:41] <Tom_itx> the magnet didn't touch the material rather was behind it and allowed the heavy material to cling to the belt long enough to sling it into a side trough and let the other material drop straight down
[01:59:45] <FinboySlick> Heck, I'd likely have a 800fps camera and computer vision thing check out every grain of sand that flows by.
[01:59:59] <Tom_itx> hidden in the sand
[02:00:24] <FinboySlick> Tom_itx: Actually, I had to design one of those for a paper recycling plant.
[02:00:36] <Tom_itx> it's on youtube as well
[02:00:39] <FinboySlick> (the magnetic belt thing, not the sand-analysis machine)
[02:00:45] <Tom_itx> http://www.youtube.com/results?search_query=gold+rush+alaska&aq=f
[02:01:30] <FinboySlick> It had to pick up tacks and staples and trombones from the millions of magazines and what not the mill processed.
[02:01:37] <Tom_itx> it was shown in one of the latter episodes
[02:01:42] <ve7it> that kind of magnetic separator also looses a lot of fine gold because the gold tends to get trapped between the magnetized black sand grains and gets discarded
[02:01:42] <FinboySlick> (trombone = paper clip)
[02:02:31] <Tom_itx> ve7it, i don't know much about it but they seemed pretty happy with it
[02:02:39] <FinboySlick> ve7it: How do you split the gold from all the other stuff? Mostly just gravity action?
[02:02:47] <Tom_itx> yes
[02:02:56] <Tom_itx> gravity and the pull of the magnet to the side trough
[02:03:53] <FinboySlick> Hmmm... Flowing over a pulsed magnetic field would seem less likely to trap finer gold to me.
[02:04:15] <FinboySlick> If the magnetic particles are always doing stop and go, the gold traffic gets to be on the fast lane.
[02:04:27] <ve7it> usually bring heavy concentrates back to shop... then run on http://www.youtube.com/watch?v=Z8W7mXZX9sY ... my next project is to clone one of those tables
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[02:05:01] <FinboySlick> ve7it: Okay... So you concentrate through gravity first?
[02:06:14] <ve7it> I need a few buckets on concentrates to work on setting up a table design.. yes gravity separates heavy from light sand/gravel in any number of machines like a sluice or jig
[02:07:16] <FinboySlick> So first find black sand that sticks. Then shake it around in water so the heavy stuff is at the bottom, then bring it home for processing.
[02:07:38] <ve7it> There are also centrifuge devices that aid gravity by spinning the slurry
[02:09:05] <ve7it> A gold pan works by using agitation and gravity to make the heavy particles work down to the bottom of the pan.... the light stuff then gets washed off the top
[02:09:06] <FinboySlick> http://www.youtube.com/watch?v=GTz1MAasQq8 Nano-versions of these!
[02:09:14] <FinboySlick> With tweezers.
[02:09:40] <ve7it> I like that idea!
[02:10:31] <FinboySlick> One could recycle HD heads.
[02:11:02] <Tom_itx> or cell phones
[02:11:22] <FinboySlick> Tom_itx: They have fast, precise actuators?
[02:11:43] <FinboySlick> http://www.youtube.com/watch?NR=1&v=0-Kpv-ZOcKY <--- Wow...
[02:11:44] <Tom_itx> no they have gold
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[02:23:08] <FinboySlick> It would take a fair bit of electronics work, but building an hexapod out of three or four HD head motors could be pretty awesome.
[02:23:23] <FinboySlick> Too small to be very useful, but still awesome.
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[02:35:58] <A2Sheds> the adept robots are fast but not the most precise, I was considering a 3DP design using an Adept
[02:36:53] <A2Sheds> or printing with Pancakes http://www.youtube.com/watch?v=v9oeOYMRvuQ&feature=related
[02:39:52] <A2Sheds> yeah, repeatability only 0.1 mm (Uni-directional)
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[05:09:37] <automata> hello
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[06:44:27] <mhaberler> automata: re your recent question on shcom.cc - could you maybe describe a good use case for what you're trying to achieve?
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[07:05:53] <Loetmichel> mornin'
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[10:24:25] <automata> afternoon
[10:25:45] <automata> mhaberler: I am trying to write a new remote GUI interface which can access the NML buffers over a telnet like connection.
[10:26:13] <mhaberler> hi automata
[10:26:51] <automata> This requires a local program to connect to the NML buffers. A very good component already written for this explicit purpose is shcom.cc and emcrsh.cc
[10:27:01] <automata> Hi mhaberler!
[10:28:04] <automata> This local program will monitor the NML buffer at a pre-determined rate and send out various changes to the machine state (from the NML buffers) to a remote client.
[10:28:59] <automata> I am re-using shcom.cc for this purpose. But I want to have emcrsh also running (to accept commands from the remote client).
[10:29:17] <mhaberler> so that would imply making the 'process name' (xemc) configurable, right?
[10:29:28] <automata> yes exactly.
[10:29:51] <mhaberler> what do you link shcom.cc with - you own code or are you using some emc binary?
[10:30:05] <automata> so new monitor program can re-use the code in shcom while setting it's own name for the NML process.
[10:30:37] <automata> a re-hashed version copied from emcrsh.cc
[10:30:45] <mhaberler> so you link your own
[10:30:51] <automata> yes
[10:31:32] <mhaberler> do you have trouble with the c-code?
[10:31:46] <automata> However, I also run into problems when I run the DISPLAY program xemc with emcrsh. (I know xemc is unused after arrival of axis).
[10:31:54] <automata> I already have a working patch.
[10:32:22] <mhaberler> so are you suggesting to merge your patch to, say, master?
[10:32:26] <automata> My message-broadcaster program is running along with xemc.
[10:32:56] <automata> I would feel more confident of the merge if a pair of experienced eyes looked at the patch.
[10:34:01] <mhaberler> ok, I'd be happy to review it - post it to emc-devel mailing list
[10:35:12] <mhaberler> and add a use-case example ;-)
[10:35:49] <automata> In my opinion, the patch requires no changes to the existing programs which use shcom.cc. I have setup default arguments to the functions tryNML and emcTaskNmlGet and emcErrorNmlGet
[10:36:33] <automata> I hope default arguments (For the sake of compatibility of previous code) are not "Frowned upon"
[10:36:52] <automata> I will make up a patch and post it to the mailing list.
[10:37:24] <automata> Thanks mhaberler
[10:37:47] <mhaberler> I dont think so but why would you want to merge an option which isnt usable by any program?
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[10:40:12] <automata> any older program using shcom.cc will not pass the buffername string to the new tryNML, emcTaskNmlGet and emcErrorNmlGetfunction. Only newer programs which want to specify their own NML process name will pass the last argument.
[10:41:37] <automata> mhaberler: on an un-related note: Do you know what the serial_number in the NML message represents?
[10:42:34] <mhaberler> I understand it as a request-reply correlation
[10:42:49] <mhaberler> to make sure you're reading the reply for the request you sent
[10:42:59] <automata> Ok
[10:43:00] <mhaberler> in case there are several in the queue
[10:43:16] <automata> so every new request should have a new serial number...
[10:43:34] <automata> How about in the status/error queue?
[10:44:00] <automata> does the serial_number in the error queue represent the serial_number of the command that generated the error?
[10:45:33] <automata> mhaberler: Thanks for your interest. I got to go for now. But I do want to pick this up later when you have some time.
[10:46:11] <mhaberler> I dont know for sure - gdb is your friend ;-)
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[12:49:36] <alex_joni> I don't think you need to change the name
[12:49:57] <alex_joni> the NML name used, is just so it can identify in the ini file what buffers to load and connect to
[12:50:06] <alex_joni> iirc all GUIs use xemc, and they all can connect at once
[12:50:44] <alex_joni> automata: no, the serial number in the error queue is also a unique number
[12:50:58] <alex_joni> so that the client of the queue can know if it already read that message or not
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[13:12:32] <JT-Shop> morning alex_joni
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[13:30:47] <automata> Hi alex_joni
[13:32:40] <automata> I am trying out using the same NML name for multiple clients... will update in a bit...
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[13:52:13] <automata> alex_joni: you are correct about the NML name. It is just used for identification. I guess I need to delve into the NML and RCS structures before making more assumptions...
[13:52:20] <automata> Thanx for clearing that up..
[13:52:29] <alex_joni> automata: or just ask ;)
[13:52:42] <alex_joni> but I'm (unfortunately) lately not very often around
[13:53:16] <alex_joni> also #emc-devel is a better place to ask about such things
[13:53:28] <alex_joni> (less noise, harder to miss by relevant persons)
[13:53:40] <automata> I have one simple question: I want to load a file and run it from emcrsh. What is the sequence of commands to send?
[13:53:59] <alex_joni> probably home first
[13:54:01] <alex_joni> load file
[13:54:04] <automata> I tried sending "set mode auto" followed by "set open filename"
[13:54:04] <alex_joni> switch to auto
[13:54:05] <alex_joni> run
[13:54:13] <alex_joni> I'd try the other way around
[13:55:55] <automata> if I load the file first I get the following error message "ERROR:can't do that (EMC_TASK_PLAN_OPEN) in manual mode"
[13:55:56] <alex_joni> automata: when in doubt: open one of the GUIs, set DEBUG to NML high, and watch the commands in the terminal
[13:56:14] <alex_joni> bbl
[13:56:18] <alex_joni> gotta run :/
[13:56:23] <automata> thnx...
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[14:47:41] * JT-Shop is living on the edge... cleaning the keyboard while a program runs on the lathe :)
[14:49:38] <JT-Shop> is there a way to have insert wear adjustment? http://www.linuxcnc.org/component/option,com_kunena/Itemid,20/func,view/catid,38/id,12518/lang,english/#12525
[14:57:29] <syyl_> uh
[14:57:36] <syyl_> you like a little thrill? :D
[15:04:51] <JT-Shop> LOL
[15:11:20] <syyl_> you could also pull the connector from one servo/stepper slightly
[15:11:27] <syyl_> and always a bit more
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[15:19:23] <jdhNC> is it common for 3-flute end mills to be asymmetrical?
[15:23:33] <archivist> jdhNC, some may be like that to stop resonant chatter
[15:24:16] <syyl_> they may look asymmetrical, because one cutting edge is longer than the other two
[15:24:31] <syyl_> of you look right on the front
[15:24:58] <archivist> if its a slot drill :)
[15:25:59] <syyl_> over here we dont differ between a slot drill and a endmill
[15:26:02] <syyl_> its all a endmill
[15:26:11] <syyl_> center cutting or not center cutting ;)
[15:26:40] <syyl_> hmm
[15:27:15] <syyl_> milling cutters that arent centercutting are pretty uncommon anyway.. Oo
[15:27:30] <syyl_> havent seen a new one for a long time
[15:34:18] <jdhNC> they say CC which I guess is center cutting
[15:34:29] <jdhNC> only one flute goes to the center, the other two are smaller
[15:38:22] <JT-Shop> sounds like a normal 3 flute endmill
[15:38:41] <syyl_> jep
[15:39:00] <jdhNC> looks like all three are different sizes
[15:40:12] <jdhNC> this is a 5/64" mill, used for engraving in stainless
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[15:42:10] <JT-Shop> itty bitty one
[15:42:17] <JT-Shop> pointy or flat bottom?
[15:42:47] <jdhNC> flat bottom
[15:43:30] <jdhNC> the ones that cut good don't look much different than the ones that cut like crap (IMCO vs. OSG)
[15:44:00] <JT-Shop> which one cuts good?
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[15:44:24] <jdhNC> IMCO
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[16:02:04] <Loetmichel> re @ home
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[17:28:00] <Danimal_garage> mornin
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[17:50:11] <IchGuckLive> Good evening from Germany
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[18:37:50] <alex4nder> hey
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[18:48:31] <frysteev> is this where all the women are?
[18:48:42] <Danimal_garage> lol
[18:52:32] <frysteev> ill take that as a no
[18:52:46] <alex4nder> #sausagefest
[18:53:39] <frysteev> #knitting
[18:53:48] <alex4nder> I hang there too.
[18:55:32] <frysteev> stay out of #milfsforjesus
[19:06:49] <archivist> you are welcome to those
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[19:32:59] <skunkworks> andypugh: http://bbs.homeshopmachinist.net/showthread.php?t=49443
[19:35:24] <andypugh> Similar comments on the video page from people who don't get it. It's a singing pig, it isn't that it sings well, but that is sings at all.
[19:35:56] <skunkworks> andypugh: yes - exactly.
[19:42:38] <andypugh> Which led me to: http://www.youtube.com/watch?v=McBIX28_QWk&feature=related
[19:43:08] <andypugh> Which seems a very old-school way to turn an ecccentric. (fast-forward to 8:30)
[19:44:27] <andypugh> The machinist seems to have chosen an outfit to maximise the swarf caught in her cleavage too.
[19:44:35] <skunkworks> wth
[19:44:42] <skunkworks> heh
[19:45:57] <andypugh> That's the way they do it in the old, old books. But as the work is already in a 4-jaw, why not offset it to a DTI reading, drill a new centre hole and then machine?
[19:46:57] <archivist> looks like a training school so old method is probably right
[19:47:14] <archivist> music--
[19:48:25] <archivist> hehe winding back for screw cutting
[19:49:59] <andypugh> Maybe an imperial lathe and a metric thread?
[19:51:46] <archivist> or no thread indicator
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[20:52:26] <Tom_itx> hmm
[20:52:31] <skunkworks> andypugh: I quoted you - http://bbs.homeshopmachinist.net/showthread.php?p=691002&posted=1#post691002
[20:53:58] <andypugh> And the wrench is indeed wobbly, I got the tool offsets wrong and made a Torx by accident, truth be told.
[20:54:14] <Tom_itx> do ppl use dogs much anymore?
[20:54:26] <skunkworks> for home security?
[20:54:32] <skunkworks> ;)
[20:54:32] <Tom_itx> on lathes you ninny
[20:54:50] <Tom_itx> mine would just pee on you
[20:55:05] <skunkworks> nothing I do has required the use of 'on center turning'
[20:55:35] <andypugh> Between centres and dogs is the only way to do long tapers on a manual machine without a taper-turning attachment.
[20:56:01] <skunkworks> some are purist and thing any shaft related need to be turned on centers to be any good.
[20:56:10] <skunkworks> lets try that again
[20:56:13] <andypugh> And if you want to be very sure of having several diameters in a line.
[20:56:15] <Tom_itx> purist what?
[20:56:38] <skunkworks> some are purist think any shaft related turning needs to be on centers to be any good.
[20:56:42] <skunkworks> close
[20:57:10] <skunkworks> some purist think any shaft related turning needs to be on centers to be any good.
[20:57:16] <skunkworks> something like that
[20:57:17] <Tom_itx> is that how they turn crankshafts?
[20:57:29] <andypugh> It's one way.
[20:57:39] <Tom_itx> i doubt many do than anymore
[20:57:44] <Tom_itx> aka cnc
[20:58:22] <skunkworks> well - you still see a lot of centers machined into shafts.. (like motors and such)
[20:58:25] <archivist> amateurs make model cranks that way
[20:58:50] <skunkworks> archivist: do you think they need to be?
[20:59:14] <andypugh> Grinding is often done between centres, maybe with adrive dog.
[21:00:11] <andypugh> They had a very neat Sandvik drive centre at a previous employer, which meant that you could machine the full length. They used it for tensile test specimens.
[21:00:38] <skunkworks> I kinda thought in the back of my mind it was done on lathes a lot because the lathes where so crappy. (spindle not that parallel with the ways and such)
[21:01:03] <archivist> well the tail stock can be off too
[21:01:12] <skunkworks> right
[21:01:21] <andypugh> Often deliberately
[21:01:23] <archivist> and then you have to compensate for that as well
[21:01:52] <andypugh> Even my ghastly chinese lathe has an adjustable tailstock.
[21:04:06] <Tom_itx> mm i used to make alot of those specimens for aircraft
[21:04:32] <Tom_itx> as well as flat plate ones etc
[21:05:15] <Tom_itx> they weren't tapered though, just a smaller diameter in the center iirc
[21:05:26] <Tom_itx> not much smaller but rather close
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[21:05:53] <andypugh> It was basically the same as a woodworking centre, with 4 drive tangs. All HSS though, and there was a clever visco-elastic/hydraulic setup so that as the centre was pushed back the tangs dug in.
[21:06:39] <andypugh> Yes, these were dogbone shaped, but concentricity is paramount for fatigue test specimens
[21:07:10] <KimK> Hi gents. I see several of you are realtime components experts, so my timing is good here. What do I have to do to re-install realtime components? I've looked at http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?ContributedComponents and done the "sudo comp --install component.comp" found there, but is that intended for before or after compiling? Is there a better tutorial than the one I just mentioned?
[21:08:25] <andypugh> comp is an alternative to compiling the whole of emc2
[21:08:44] <andypugh> you can comp --install even on an installed system without the source
[21:09:46] <Tom_itx> do you turn off screensaver when running emc on ubuntu?
[21:10:11] <KimK> OK. I'm still getting "component foo not found, emc closing down" on startup after trying to get a new (re)installation going. What beginner's mistake have I made?
[21:10:35] <andypugh> The comp docs are http://linuxcnc.org/docs/html/hal_comp.html
[21:11:04] <KimK> (That may not be an exact quote)
[21:11:13] <andypugh> Can you pastebin the screen output from the sudo comp.... command?
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[21:13:53] <wholepair> I have an Adobe 9 question - any body got a second
[21:16:38] <KimK> OK, there's one (the first one): http://pastebin.com/dcNSfyaV
[21:17:16] <andypugh> wholepair: Are you sure you have the right channel?
[21:18:25] <andypugh> KimK: That looks OK.
[21:19:07] <andypugh> My next guess is that you have a .c or .comp or .ko after the component name in the HAL file, or a hyphione not an underscore
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[21:19:53] <KimK> OK, I'll take a look.
[21:31:39] <KimK> I didn't find anything like that. And I presume that this is not helpful? http://pastebin.com/ZQX5UnXX
[21:32:54] <andypugh> Insert "show funct" in the HAL file after the loadrt line.
[21:33:44] <andypugh> Hang on, estop_latch is a built-in HAL function...
[21:34:05] <KimK> Yes, but not estop_latch2 (locally modified version)
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[21:34:47] <Tom_itx> does the .0 throw it off?
[21:35:15] <KimK> Well, that's the first (0th) instance of estop_latch2.
[21:35:26] <Tom_itx> yeah
[21:35:43] <Tom_itx> maybe the instance is called before it's generated
[21:35:50] <KimK> (and only instance, as far as I know)
[21:36:31] <Tom_itx> mind you, i haven't done any custom functions...
[21:36:32] <andypugh> Pastebin the HAL?
[21:36:40] <KimK> That's why I'm here asking the experts.
[21:36:52] <KimK> OK.
[21:42:06] <KimK> Here you go: enshu.hal: http://pastebin.com/KkpkaV76 and touchy.hal: http://pastebin.com/Zt1Gw3LA
[21:42:09] <andypugh> The driver is being found, so the install is working. I
[21:43:20] <andypugh> And the comp?
[21:43:42] <KimK> Oh, sure. Stand by.
[21:46:56] <andypugh> The things you see on pastebin.. http://pastebin.com/QKgyGKVd
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[21:48:01] <KimK> Oh, well, estop_latch2.comp is just a copy of estop_latch.comp for now. I have to get back into it and find out what the difference was. I don't have the original, so I set up the original estop_latch as a (renamed) starting point. The difference had to do with something about using the touch screen to clear estop, and when you take your finger off the glass, it was dropping out of estop again. I'd be satisfied with that at this point.
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[21:48:34] <KimK> I do have the other two original components.
[21:48:36] <andypugh> Ah, well, that is probably the problem.
[21:48:53] <KimK> Excellent, what can I do to help?
[21:49:35] <andypugh> Did you change the "component" line in the comp?
[21:49:55] <KimK> Yes, I'll pastebin my version
[21:50:32] <andypugh> What does "show funct" in the HAL after the loadrt lines show
[21:50:32] <andypugh> 
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[21:56:29] <KimK> OK, here's my (hardly) modified estop_latch2.comp: http://pastebin.com/dhVs4d70 Also, i just noticed that the HAL file is calling for instead of just "fault_in", it's looking for "fault-in0", "fault-in1", and "fault-in2" (underscores and dashes as shown) so I'm sure that's part of the problem too, it's a multiple-input component now.
[21:57:39] <andypugh> Strip things down to basics.
[21:57:47] <andypugh> Open a terminal window
[21:57:57] <andypugh> > halrun
[21:58:10] <andypugh> >loadrt estop_latch2
[21:58:14] <andypugh> show funct
[21:58:43] <andypugh> (open another window, and type dmesg)
[22:00:02] <KimK> Here's the "show funct" you wanted: http://pastebin.com/PrzzEGgN
[22:00:33] <andypugh> the function is estop-latch2.0
[22:00:55] <andypugh> I have no idea why, but the underscore has become a hyphen in the function name.
[22:01:13] <KimK> What, a hyphen/underscore screwup? OK, I'll fix it.
[22:01:17] <andypugh> so change the hal addf to suit
[22:01:22] <KimK> Where is this?
[22:01:51] <andypugh> I blame jepler.
[22:02:21] <andypugh> 00014 f8eb6000 fa16cb38 NO 0 estop-latch2.0
[22:03:04] <KimK> Sorry, I'm not recognizing what you're telling me with that last line.
[22:03:15] <andypugh> It's your line
[22:03:25] <andypugh> From the pastebin
[22:03:53] <andypugh> Showing that the name of the exported function has a hyphen in it.
[22:04:32] <KimK> Line #8 from http://pastebin.com/PrzzEGgN ?
[22:04:59] <andypugh> I know that there isn't one in the component declaration, or the file name. It's a mystery to me too.
[22:05:05] <KimK> How did it get there? Do I need to re-do with a "make clean"?
[22:05:37] <andypugh> It is probably an automatic substitution done by comp.
[22:06:08] <KimK> Ah, only "official" components may use underscores?
[22:06:30] <KimK> Is that it?
[22:06:37] <andypugh> http://linuxcnc.org/docs/html/hal_comp.html
[22:06:44] <andypugh> HALNAME section
[22:07:50] <andypugh> Vanilla estop_latch gets the same treatment.
[22:08:11] <andypugh> you loadrt estop_latch and get a function called estop-latch.0
[22:09:17] <andypugh> Don't worry about it, just change your HAL to suit.
[22:09:25] <KimK> OK. All these "rewrite-the-name" shenanigans are to avoid collisions?
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[22:10:26] <andypugh> Well, it mainly goes the other way. You might want to call a pin x-step but if you put x-step in the C code it will be interpreted as x <minus> step and that will be wrong.
[22:10:37] <elmo40> so... google is buying motorola mobility. interesting.
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[22:11:49] <KimK> OK, that should get me on the right road. Let me work on that for a few minutes and see what improvement I can make.
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[22:16:47] <KimK> So do I loadrt foo_bar and then addf foo-bar?
[22:17:13] <KimK> The change happens upon loading?
[22:17:35] <KimK> Or upon adding?
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[22:19:57] <andypugh> The loadrt was fine.
[22:20:18] <andypugh> So yes, loadrt foo_bar, addf foo-bar
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[22:24:41] <KimK> So I discovered, lol. And now I have gotten up to the point where it's failing because it's looking for inputs I haven't described yet. Give me a few minutes to see what I can do with that.
[22:29:31] <Jymmm> Not a bad lil clock for $6 http://newspaperads.mercurynews.com/FSI/Page.aspx?advid=200177&loc=53824&fsi=17593&version=Mercury&facing=false&pagenum=6
[22:30:42] <Jymmm> 12/24, Month, Date, Day, C/F
[22:30:47] <Jymmm> 3xAA
[22:32:20] <elmo40> red/blue
[22:32:28] <Jymmm> thats the one
[22:32:51] <elmo40> this looks interesting: http://www.frys.com/onlineads/0001506016?vid=uLop9990xA?plu=6406992
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[22:33:20] <andypugh> who needs 12GB of RAM? Really?
[22:33:49] <archivist> me/ any firefox user
[22:33:54] <Jymmm> yeah, nearly not enough, 2PT minimum
[22:34:14] <elmo40> firefox does consume a LOT
[22:34:15] <Jymmm> FF 1.08GB
[22:34:23] <Jymmm> FF 1.08GB RAM
[22:34:24] <elmo40> now 6 is out
[22:34:48] <elmo40> ok, that is insane . mine is only at 120Mb
[22:34:50] <archivist> using over 2.3 gig here
[22:34:59] <elmo40> with 4 tabs open. two being vimeo and youtube
[22:35:10] <archivist> 4 tabs...wimp
[22:35:19] <elmo40> I just got on the comp!
[22:35:20] <elmo40> lol
[22:35:46] * archivist has lost count here
[22:35:58] <Jymmm> 32 tabs in one window, 4 tabs in the seconds window
[22:36:25] <andypugh> Safari: 147MB Colloquy (you guys): 43MB.
[22:36:43] <Jymmm> none of them flash or java based either
[22:36:50] <elmo40> going to test crunchbang linux. debian variant. anyone try it before?
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[22:37:24] <Jymmm> It's pretty sad that Mozilla is the lesser of the evils
[22:37:28] <elmo40> bah, once you run a java app it bumps it up real high and never shuts off until you close the browser!
[22:37:40] <elmo40> Jymmm: ya
[22:37:52] <Jymmm> elmo40: I just have JAVA disabled completely, and enable it as needed.
[22:37:57] <elmo40> floxk isn't for me. chrome is google... unwanted traffice from there!
[22:39:09] <Jymmm> It's hard finding a 12/24 clock anymore.
[22:39:30] <archivist> hmm dunno if I counted right but 100 tabs one window
[22:40:54] <elmo40> are they releasing just to release? 6 looks EXACTLY like 5... and only one extension didn't work. I was under the impression that once you go a full number ahead you have basically re-written the base code. if 6 is re-written then why are my extensions still functioning?
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[22:42:53] <mikegg> andypugh: I've got the 7i39 working on my x-axis. though, only when I start EMC2 with the rotor in a certain position.
[22:43:41] <mikegg> the y-axis works within about a quarter of a revolution. then it starts to whine
[22:44:34] <mikegg> food time. bbl
[22:46:53] <Jymmm> archivist: Goto this url in ff.... about:memory
[22:49:02] <Jymmm> archivist: This too in FF... about:about
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[22:50:32] <archivist> not a lot of use in this version
[22:50:57] <Jymmm> 5.01 here
[22:52:01] <Jymmm> heh, about:memory in 3.x shows 101MB - bastards
[22:52:09] <archivist> Build identifier: Mozilla/5.0 (X11; U; Linux x86_64; en-GB; rv: Gecko/20110422 Ubuntu/8.04 (hardy) Firefox/3.6.17
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[22:53:04] <Jymmm> Maybe I need to go back to v3
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[22:54:25] <elmo40> on a DE keyboard layout where is the PIPE ?
[22:54:40] <andypugh> mikegg: A very common problem is a motor rotation and encoder scale that have different senses.
[22:54:56] <andypugh> Or are you using Hall sensors?
[22:54:59] <Jymmm> above the enter key? SHIFT+BACKSLASH maybe?
[22:55:26] <elmo40> that is US style
[22:55:47] <elmo40> i am testing CrunchBang, they must be german... i tried to change the layout but it didnt stick
[22:55:58] <andypugh> Bear with my, my german friend left her laptop behind..
[22:57:20] <andypugh> On hers, it is bottom-left, to the left of Y (which is where Z should be)
[22:58:00] <elmo40> zZ
[22:58:14] <elmo40> i dont have anything there, only shift
[22:58:23] <elmo40> regular 101-keys
[22:58:35] <elmo40> i tried all the buttons... maybe a combination?
[22:58:37] <elmo40> grr
[22:58:45] <Jymmm> google it
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[23:05:12] <syyl_> alt gr + <
[23:05:29] <syyl_> (left of y)
[23:06:11] <syyl_> eh, z in your case
[23:06:24] <syyl_> damn keyboardlayouts
[23:06:35] <Jymmm> damn de
[23:06:40] <elmo40> =+=
[23:06:43] <elmo40> nothing
[23:06:47] <syyl_> |||
[23:06:53] <syyl_> copy one ;)
[23:07:19] <elmo40> ok, got it.
[23:07:37] <elmo40> |
[23:07:40] <Jymmm> elmo40: ¡pɹɐoqʎǝʞ ןɐǝɹ ɐ ʇǝb
[23:08:16] <elmo40> RightAlt + Shift
[23:08:43] <syyl_> strange Oo
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[23:09:04] <syyl_> ah, on a us keyboard there is no button left of Z except shift Oo
[23:09:20] <elmo40> ;)
[23:09:37] <syyl_> on a german layout there is...
[23:10:09] <syyl_> that confused me Oo
[23:10:26] <elmo40> germans confuse me :P
[23:10:40] <syyl_> were not that confusing ;)
[23:10:46] <Jymmm> they confuse us all
[23:10:49] <syyl_> *whe are
[23:11:30] <mikegg> sorry for the hit and run. I'm on a short leash here when the dinner bell rings
[23:11:37] <elmo40> hrmm... i cant seem to mount anything.
[23:11:42] <andypugh> So, are you using hall sensors?
[23:11:53] <andypugh> elmo40: Story of my life...
[23:12:24] <mikegg> andypugh: using hall, quadrature encoder and index
[23:12:26] <Jymmm> andypugh: You're standards are too high. Have you considered dead?
[23:12:45] <Jymmm> Coma?
[23:12:55] <andypugh> mikegg: Start with just Halls
[23:13:04] <Jymmm> Limbs optional
[23:13:12] <elmo40> andypugh: wa, wa, waaaa
[23:13:26] <andypugh> Make sure you have the pattern correct
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[23:14:57] <andypugh> mikegg: It's easiest to start with bare motors, and at the command line with halrun.
[23:15:14] <mikegg> well, I know they are four pole and I know pattern 17 works (conditionally) on the x-axis
[23:15:37] <mikegg> getting close!
[23:15:39] <andypugh> Are you in halrun?
[23:15:48] <mikegg> running 2.5 pre
[23:16:02] <andypugh> Yeah, but you are starting up the whole of EMC2?
[23:16:09] <mikegg> yeah yeah
[23:16:15] <andypugh> It's kind of easier not to.
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[23:17:31] <andypugh> Create a minimalist HAL file (just loadrt hostmot2, hm2_pci (or hm2_7i43) and bldc cfg=q and then the addf and net connection)
[23:18:58] <andypugh> Then you can type halrun \\ source test.hal \\ setp bldc.0.current 0.5 \\ setp bldc.0.pattern 1, setp bldc.0.pattern 2 \\ setp bldc.0.pattern 3....
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[23:20:38] <andypugh> You will get some buzzing, and maybe 4 patterns that spin the motor, and either 1 or 2 that spin it well.
[23:23:01] <andypugh> Once you have h working then you can try hq, which will work pretty pretty much automatically as long as the encoder scale is right. You might need to use a negative number for encoder scale..
[23:29:22] <andypugh> If you zero the encoder to the index before startup (setp encoder.0.index-latch , and rotate by hand a turn) then I think that the encoder-offset parameter will take on the value that you would need for hqi mode.
[23:29:36] <mikegg> I found this:http://imgur.com/NyE2X
[23:30:03] <mikegg> gah! that's how you enable the index!
[23:30:20] <mikegg> fussed with that for a good half hour last night
[23:31:07] <mikegg> I can then set the offset parameter in the hal file, right?
[23:32:17] <mikegg> thanks! I've got some things to try now!
[23:34:26] <andypugh> I need to write this all up somewhere, but for that I need to actually have a system working to try it all out on.
[23:37:23] <mikegg> well, my x-axis runs like butter. though I don't know if it's doing trapezoidal or sinusoidal
[23:37:57] <andypugh> Are you in emc2, or halrun?
[23:38:22] <andypugh> in halrun you can loadusr halscope, then plot the three output phases
[23:38:37] <andypugh> (the bldc output values)
[23:39:35] <mikegg> ah yeah, and compare them to the chart with the hall values?
[23:41:07] <andypugh> No, just see if they are trapezoids or sinusoids :-)
[23:41:51] <andypugh> You will either see three square-waves or three sine-waves
[23:42:21] <andypugh> I am assuming that "runs like butter" is good?
[23:42:50] <mikegg> hah, oh yeah. you don't butter your steel?
[23:45:39] <andypugh> There isn't a lot of difference between hqi and hq modes. The index _should_ be more precise than the hall-transitions, but the Hall transitions are good enough for trapezoidal use, and the motors were intended to be run that way, so the hall edges can't be all that far out.
[23:46:41] <andypugh> If the motors are all the same, they should have the same pattern, by the way.
[23:47:14] <andypugh> It varies a bit from manufacturer to manufacturer, not motor to motor.
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