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[01:43:03] <elmo401> hi. I was given one of these by a buddy.
http://www.heidenhain.de/fileadmin/pdb/media/img/ROD_426_ID38573892.pdf
[01:43:32] <elmo401> do I need a specific interface to use it?
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[02:02:02] <Valen> looks like a TTL encoder
[02:02:10] <Valen> anything that reads encoders should do
[02:02:25] <Valen> you can use PPort but if there is any jitter or speed it'll be too quick for it
[02:02:33] <Valen> and you want something like mesa
[02:05:44] <elmo401> ok... from what I gather it has 1024 'counts' / rev
[02:05:53] <elmo401> if that is the correct term ;)
[02:06:32] <Valen> correct term, nfi on the counts lol
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[02:28:00] <pcw_home> Actually looks differential: Ua1, /Ua1. Ua2, /Ua2 etc
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[02:32:10] <Valen> i saw TTL in big letters I must admit i didn't look in that much detail
[02:32:30] <Valen> perhaps its differential TTL?
[02:32:57] <Valen> yeah uh > 2.5v
[02:33:47] <Valen> looking in the top left quadrant
[02:36:28] <elmo401> so... is it a 1024 quadrature thingy?
[02:37:05] <pcw_home> I thing they just mean normal RS-422 differential (the individual signals are like TTL) as opposed to 12V or something else
[02:37:07] <pcw_home> its uncommon to have a high quality enclosed encoder like that just have a TTL interface
[02:38:40] <Valen> so ttl compatible then?
[02:39:57] <pcw_home> sure (though TTL is not too good for long cables or resistance to PWM motor noise)
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[02:43:44] <elmo401> pcw_home: well, this came off of a production CNC machine.
[02:43:56] <elmo401> uses a large fanuc pwm motor
[02:44:23] <elmo401> and the table is 240" long... the cable for the encoder is probably >40'!
[02:45:03] <pcw_home> Nice encoder
[02:45:44] <elmo401> it is used on the spindle. I was hoping to use it on my lathe :)
[02:46:12] <Valen> 40 feet might be a bit far on ttl
[02:46:29] <Valen> and i don't think pport would handle spindle RPM
[02:48:02] <elmo401> so... mesa card?
[02:50:01] <Valen> probably the best bet, you have a scope?
[02:50:44] <elmo401> does a soundcard count? ;)
[02:51:20] <Valen> lol I was just thinking you could probe the outputs and make sure everything is hunky dory
[02:51:26] <elmo401> would be nice if I had a pigtail cable for it... rigging up something for the connection will be a PITA
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[03:02:36] <pcw_home> For testing, individual receptacle pins are one way to avoid buying the (probably expensive) mating connector
[03:17:51] <elmo401> true
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[04:57:44] <KimK> skunkworks: Hi Sam. You were talking about your jog wheel earlier, I can guess XYZ (did you leave room for 4th?), but remind me, what are FO, MV, and SO ?
[05:03:52] <KimK> skunkworks: Wait, are they feedrate, max. velocity, and spindle speed? Interesting, and is that just on touchy?
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[05:21:09] <jrshaul> Does anyone know a cutting rate table for laser cutters that has plywood on it?
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[06:07:08] <KimK> jrshaul: Sorry, I do not know of one. I'm no expert, but wouldn't that depend on a lot of things, like wattage, lens/focus, thickness, exact type of wood & resins, ventilation, etc., etc.? Experimenting might be necessary.
[06:07:30] <jrshaul> Eh, I'm mostly just trying to figure out if I can afford to get something cut.
[06:07:50] <jrshaul> I might just be able to make it using a bizzare trick using masonite and ammonia.
[06:09:08] <KimK> Masonite & Ammonia? I've never heard of that, do you have a link?
[06:19:54] <Jymmm> jrshaul: how thick plywood and how many?
[06:24:59] <Jymmm> KimK:
http://www.pablopicassoclub.com/prepping-masonite-alternatives-to-acrylic-gesso-6378.html#8
[06:27:42] <jrshaul> http://www.traveltraxaudio.com/atc/EL150SLP.htm
[06:28:17] <jrshaul> Either one cuts out many, many, many oval layers and stacks them on each other, or you bend something around it.
[06:28:46] <jrshaul> Curiously, it actually costs more to buy eight sheets of 1/8 ply than it does to buy one sheet of 1" ply and have someone go at it with a laser.
[06:28:58] <jrshaul> $220 buys you a good two hours these days, no?
[06:30:12] <KimK> jrshaul: Oh, OK, you are talking about applying some kind of paint-like coating? I thought you were talking about somehow cutting out shapes out of masonite using ammonia. Nevermind.
[06:30:27] <jrshaul> I wish. :D
[06:30:51] <Jymmm> what coating?
[06:31:01] <Jymmm> and why the need of a laseR?
[06:32:58] <jrshaul> Because cutting out 600 identical ovals using anything else would be inefficient.
[06:33:08] <jrshaul> Also, narrow kerf = less waste!
[06:33:22] <Jymmm> how thick?
[06:33:40] <jrshaul> 3/4"
[06:34:03] <Jymmm> wth?! 600 ovals 3/4" thick???????????????????
[06:34:17] <jrshaul> You stack 'em on top of each other to make oval-shaped speaker cabinets.
[06:34:22] <jrshaul> Very very strong. Very light weight.
[06:34:25] <jrshaul> Stupidly expensive.
[06:35:15] <Jymmm> what size are these ovals?
[06:35:16] <KimK> What material are you wrapping to make the body of the cabinet?
[06:36:41] <KimK> Oh, wait, it's not one solid oval at the top and one at the bottom, it's oval "rings" all the way up?! Yikes.
[06:38:34] <Jymmm> i dont see what your taking about
[06:38:42] <Jymmm> talking
[06:38:57] <Jymmm> ATC EL150 SLP ???
[06:39:03] <jrshaul> KimK: Yep.
[06:39:12] <jrshaul> It's called "translaminate construction."
[06:39:40] <jrshaul> Incredibly strong - it's basically a solid block of plywood.
[06:39:50] <jrshaul> Plan B is just bend some MDF into shape and call it done. :D
[06:40:14] <KimK> No wonder you were interested in making some kind of paint-like glue, that's a lot of laminating.
[06:42:57] <Jymmm> I'll have to try it on my laser
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[06:51:55] <jrshaul> Jymmm: You have a laser?
[06:52:32] <Jymmm> yep
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[06:55:35] <jrshaul> Shiny.
[06:55:41] <jrshaul> How powerful?
[07:14:36] <jrshaul> Jymmm: Any chance I could trade you speaker-y bits for the use of your giant laser? :D
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[11:53:07] <ewidance> Hi all. Have you got a link to help me to calculate good milling speed depending milled materials and type of bit used?
[11:54:35] <jthornton> http://www.custompartnet.com/calculator/milling-speed-and-feed
[11:56:03] <jthornton> of course you will need the sfm recommended by the tool manufacturer
[11:56:14] <archivist> ewidance, also effected by lubricant and machine stability
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[11:59:48] <jthornton> I have a spreadsheet out in the shop that works for me for drilling and milling
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[12:05:36] <ewidance> Thanks for your answers. But i can't find sfm for the tools I have, and for different materials. That's mainly for milling from 1 to 3 mm, with a small milling machine converted to CNC (proxxon MF70), tools are from 1 to 3 teeth, and i would like to compute for aluminium, PVC, Wood, PET, and Cu....
[12:06:04] <ewidance> I got my tools on Ebay from a german vendor (not chinese based)
[12:09:43] <ewidance> a range for those different materials would be great...
[12:17:07] <archivist> ewidance, speed is also effected by tool geometry a good read is the Sandvik manual pdf download
[12:17:41] <archivist> a proxon will need lighter cuts than the Sandvik manual will guide though
[12:19:15] <jthornton> ewidance: I'd bet your limit is RPM as a 1mm 3 flute tool in aluminum would be 20,000 RPM at 200 SFM
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[12:20:55] <jthornton> my *good* end mills list 1000-2000 sfm for aluminum
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[12:50:09] <ewidance> Thank you for your answers. I had to quit.. Have a nice day to all...
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[14:50:12] <skunkworks> wow - got those encoders already
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[15:59:56] <pingufan> Hello, I use the EMC2 Ubuntu distro oin my working room. I would like to mount my NFS share there to access files on my server, but it does not support that. I guess it has no NFS packages installed. Can somebody, please guide me? I usually use SuSE and there NFS is installed by default.
[16:00:53] <cpresser> pingufan: "apt-cache search nfs" :)
[16:01:39] <pingufan> initramfs-tools - tools for generating an initramfs
[16:01:41] <pingufan> manpages - Manual pages about using a GNU/Linux system
[16:01:42] <pingufan> tcpdump - A powerful tool for network monitoring and data acquisition
[16:01:49] <pingufan> Nothing else. :(
[16:02:39] <pingufan> This is my version: uname -r shows me this: 2.6.24-16-rtai
[16:02:41] <cpresser> if i recall right, there should be nfs-common?
[16:03:16] <cpresser> and portmap
[16:03:21] <pingufan> apt-get install nfs-common ?
[16:03:40] <cpresser> yes. or in one line "apt-get install nfs-common portmap"
[16:03:47] <pingufan> Must I possibly activate barriere-free first?
[16:04:03] <cpresser> i dont think so
[16:04:47] <pingufan> Package nfs-common is not available
[16:05:01] <pingufan> :/
[16:07:06] <pingufan> Does Ubuntu have a GUI package manager? And/or must I configure repositories first? I'd like to use my CNC mill as MP3 player, too. For that I need NFS to my music files.
[16:08:00] <psha> synaptics
[16:08:51] <pingufan> I "love" Ubuntu. Such a naked system I had never before.
[16:10:21] <cpresser> pingufan: basic-ubuntu is way to funky and colorful for me :)
[16:10:38] <cpresser> personally i like debian-minimal
[16:11:10] <pingufan> Much more important than playing MP3s is another thing: It cannot shut off the computer when I do a halt. (This is a VIA EPIA M 10000 mainboard). Seems to support not this particular ACPI feature. Can I enforce basic kernel features to power off at all?
[16:11:35] <pingufan> cpresser: I surely stay at openSuSE
[16:11:42] <cpresser> afaik that is an issue with a bad ACPI implementation. try using apm
[16:11:54] <cpresser> this can be done with kernel-commandline-parameters
[16:12:09] <cpresser> 'root=asads ro noacpi'
[16:12:59] <cpresser> btw: nfs-common is the right package name. most likely you are missing a repository-line in your apt-config
[16:13:01] <pingufan> Ok. But which commands are supported? I remember that there was something to enforce "ACPI-basic" on my old laptop.
[16:13:36] <pingufan> How do I add a repository to apt-get?
[16:14:04] <pingufan> (This are things I never had to deal with in SuSE)
[16:15:24] <cpresser> edit /etc/apt/sources.list
[16:16:41] <pingufan> Ok, nothing inside there. Shall I un-remark the following lines?
[16:16:49] <pingufan> # deb
http://archive.canonical.com/ubuntu hardy partner
[16:16:50] <pingufan> # deb-src
http://archive.canonical.com/ubuntu hardy partner
[16:16:51] <cpresser> supported commands are listed in the kernel-documentation. I cant tell you now sinc i didnt memorize everything :)
[16:17:47] <cpresser> try uncommenting the first line
[16:17:57] <cpresser> then change 'partner' to 'main'
[16:18:11] <pingufan> I hope I do not break the whole CNC stuff hereby...
[16:18:28] <cpresser> not as long as you dont update the kernel
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[16:18:59] <cpresser> funny thing is, that my emc2-live-cd had this all configured correctly... or i cant remember changing it :)
[16:19:07] <pingufan> deb
http://archive.canonical.com/ubuntu hardy main
[16:19:12] <pingufan> this is correct then?
[16:19:41] <cpresser> ye, i think that is okay
[16:19:52] <cpresser> next do a "apt-get update"
[16:20:00] <pingufan> And now I do the apt--get install nfs-common?
[16:20:06] <pingufan> ok.
[16:20:23] <cpresser> first you need to get the package-lists... with 'update'
[16:20:41] <pingufan> Error: Could not retrieve
http://archive.canonical.com/ubuntu/dists/hardy/Release
[16:21:10] <pingufan> Unable to find expected entry main/binary-i386/Packages in Meta-index file (malformed Release file?)
[16:21:23] <cpresser> try this line: "deb
http://de.archive.ubuntu.com/ubuntu hardy main restricted universe multiverse"
[16:21:32] <cpresser> its from the ubuntu-wiki. that one sould do
[16:21:58] <pingufan> much better. :P
[16:22:37] <pingufan> Ok, it loaded now several things.
[16:23:07] <pingufan> And now I install nfs-common?
[16:23:16] <cpresser> yes
[16:23:31] <psha> pingufan: there is gui for package manager ;0
[16:23:32] <psha> ;)
[16:23:33] <cpresser> try getting you information at the ubuntu-wiki. its a really good source
[16:23:52] <cpresser> multi-language :)
[16:24:20] <psha> cpresser: yea, it's surprisingly useful compared to ubuntu forums :D
[16:24:26] <pingufan> Thank you. This is really back to the roots. :P
[16:24:43] * cpresser likes the console
[16:24:51] <pingufan> Me too.
[16:25:08] <cpresser> it teaches you how stuff works.
[16:25:17] <pingufan> Indeed.
[16:25:58] <pingufan> But a little bit more comfort is in SuSE. Aliases like "md=mkdir" etc...
[16:26:14] <pingufan> Ok, NFS-mounting worked now. :)
[16:26:49] <pingufan> Do you think that "acpi=force" will be understood by "hardy" ?
[16:27:23] <pingufan> All I need from ACPI is a working Power-off
[16:27:49] <pingufan> Or has the EPIA M 10000 no acpi at all?
[16:28:33] <cpresser> afaik there are some issues with its apm/acpi implementation
[16:28:52] <cpresser> after a fast google-hit, i would try 'apm=off acpi=on'
[16:29:31] <pingufan> I'll try it. Must I edit every time grub's menu.lst, or can I enter it otherwhere?
[16:29:57] <cpresser> i would use menu.lst
[16:31:14] <pingufan> Ok, must walt to the PC...
[16:35:57] <pingufan> Hmm - acpi=force didn't work. Will try to combine it with apm only....
[16:37:10] <psha> pingufan: while experimenting you may enter options in grub boot promtp
[16:37:19] <psha> then place working values in menu.lst
[16:37:28] <psha> or grub.cfg - depending on grub version
[16:38:03] <cpresser> Or has the EPIA M 10000 no acpi at all?
[16:38:04] <cpresser> 17:28 < cpresser> afaik there are some issues with its apm/acpi implementation
[16:38:04] <cpresser> 17:28 < cpresser> after a fast google-hit, i would try 'apm=off acpi=on'
[16:38:04] <cpresser> 17:29 < pingufan> I'll try it. Must I edit every time grub's menu.lst, or can
[16:38:04] <cpresser> I enter it otherwhere?
[16:38:06] <cpresser> 17:29 < cpresser> i would use menu.lst
[16:38:09] <cpresser> 17:31 < pingufan> Ok, must walt to the PC...
[16:38:11] <cpresser> ah sorry :/
[16:38:17] <cpresser> my bad... i am soldering my mouse...
[16:44:49] <pingufan> ? Soldering your mouse?
[16:47:06] <cpresser> yes, the left button was not working reliable
[16:47:18] <cpresser> so i replaced it with one from another trackball
[16:50:12] <pingufan> Cool. I wonder that it fits.
[16:50:43] <pingufan> Meanwhile I tried 4 combinations with and without apm and acpi, the PC remains powered.
[16:53:09] <pingufan> The harddisk is turned off, but the PC remains on (and dead, ad the system has shut down).
[16:55:33] <pingufan> Well, no success.
[16:55:39] <cpresser> try fiddling with bios-settings. "plug-n-play-os" my be a good candidate
[16:55:57] <pingufan> :) Did that already.
[16:56:34] <pingufan> Usually, "apm=off acpi=force" should be the right choice.
[16:57:08] <pingufan> Doesn't matter. Would have been nice, but if it doesn't work...
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[16:58:42] <pingufan> Doesn't matter. Would have been nice, but if it doesn't work...
[16:58:50] <pingufan> Damn - wron window.
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[17:12:23] <pingufan> Thank you anyways.... Meanwhile I installed amarok, too, and so even Ubuntu becomes more familiar to me. :)
[17:13:03] <pingufan> Will start to assemble the next server no. Have a nice day.
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[17:55:27] <drill> hi
[17:55:28] <the_wench> hello drill, you have a question?
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[19:16:04] <kirk_wallace> Hello, I'm trying to add "#include <sys/io.h>" to my .comp file, but I get an error "spp_out2.comp:11:20: error: sys/io.h: No such file or directory" when I run comp --install ... . I checked to see where io.h is, and found it here: /usr/include/sys/io.h . Any hints on what I am doing wrong?
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[19:17:51] <JT-Work> you might need to do #include "sys/io.h"
[19:18:09] <JT-Work> I recall something somewhere in the manuals about this (I think)
[19:19:27] <kirk_wallace> "sys/io.h" gives the same thing :(
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[19:20:56] <JT-Work> do a grep of the other comps to see if someone else has used it
[19:21:21] <DaViruz> #include "/usr/include/sys/io.h" probably does the trich but it ain't pretty
[19:23:08] <psha> kirk_wallace: it's legible to include userspace headers in kernel-space comps?
[19:24:55] <kirk_wallace> #include "/usr/include/sys/io.h" sort of works but io.h calls feature.h, which it can't find, but is in the include directory.
[19:25:09] <kirk_wallace> psha: I don't know.
[19:25:36] <psha> i guess it's not
[19:25:55] <psha> what exactly do you need from sys/io?
[19:27:09] <cradek> kirk_wallace: back up and say what you are trying to accomplish
[19:28:21] <psha> xy
[19:28:21] <the_wench> The X-Y problem is when you want to do X, but you don't know how. You think you can hack X if you can just do Y, but you don't know how to do Y either. You ask (us) for help with Y. We think Y is a strange problem to want to solve... So just ask us about X.
[19:28:24] <psha> :D
[19:29:20] <kirk_wallace> I want to use outb to send a byte to the parallel port registers. outb is in io.h (?).
[19:30:48] <kirk_wallace> component spp_out " ";
[19:30:48] <kirk_wallace> pin in u32 ssp_in;
[19:30:48] <kirk_wallace> option singleton;
[19:30:48] <kirk_wallace> function _;
[19:30:48] <kirk_wallace> license "GPL";
[19:30:49] <kirk_wallace> ;;
[19:30:49] <kirk_wallace> #include </usr/include/features.h>
[19:30:50] <kirk_wallace> #include </usr/include/sys/io.h>
[19:30:50] <kirk_wallace> FUNCTION(_) {
[19:30:51] <kirk_wallace> outb(ssp_in, 0x21c0)
[19:30:51] <kirk_wallace> }
[19:32:01] <kirk_wallace> Oops #include <sys/io.h> instead of the two includes shown.
[19:36:31] <cradek> you might check out src/hal/drivers/pluto_common.h which gets included into pluto_servo.comp, which does inb
[19:37:11] <cradek> you should copy the include scheme from that file (it's nontrivial to handle sim too??)
[19:38:16] <cradek> #include <asm/io.h> is the incantation that other rt-only drivers use
[19:38:26] <cradek> I am very surprised it's not in an rtapi include
[19:39:11] <cpresser> nice explanation, the_wench. i will bookmark this :D
[19:39:31] <kirk_wallace> I've been looking at hal_parport.c, pluto_servo.comp and hm2_7i43.c for days and keep getting to endless question loops. I thought I might be able to start with something really bonehead to get some progress.
[19:39:57] <cradek> tl;dr: try <asm/io.h>
[19:41:26] <cradek> **beware** outb(value, port)
[19:41:32] <kirk_wallace> cradek: Better, spp_out2.comp:14: error: expected ‘;’ before ‘}’ token, which I think I can fix.
[19:41:34] <cradek> you might expect the other way - you might be perfectly sane to do so - beware beware
[19:42:08] <cradek> yeah that's a regular old error I bet
[19:42:50] <kirk_wallace> !!!! missing ";" ugh.
[19:42:59] <cradek> haha
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[19:44:14] <kirk_wallace> Thank you.
[19:44:25] <cradek> welcome
[19:44:55] <andypugh> Well, my boring head is lovely, now I have looked at it, but a bit big... That's the trouble with ebay.
[19:45:11] <cradek> uh-oh
[19:45:59] <andypugh> https://picasaweb.google.com/lh/photo/g0kGCuglBg6-sj8hEYkxPQ?feat=directlink
[19:46:12] <andypugh> Boring head on right, BT30 tooling on left...
[19:46:44] <cradek> hmmm
[19:47:54] <kirk_wallace> BT30 is small, about the size of R-8, Id say your head is about the right size.
[19:48:13] <cradek> it sure doesn't look very right...
[19:48:52] <cradek> looks like the mill will wobble and fall over if you try to use it
[19:49:13] <kirk_wallace> I don't know the context, so I guess I shouldn't say.
[19:49:27] <andypugh> The mill is pretty heavy
[19:49:40] <andypugh> But whether I can get the table low enough to fit it in....
[19:50:08] <kirk_wallace> I'd use it in my Bridgeport or Shiz.
[19:50:12] <andypugh> BT30 appears to have exactly the same major diameter as the No 4 Morse that is on the head.
[19:50:13] <cradek> I love my machine with several feet of Z...
[19:50:27] <cradek> that's wild - wonder if that's a coincidence
[19:50:38] <andypugh> Well, I could use the head in the horizontal spindle.
[19:51:18] <andypugh> I could machine down the MT4 to BT30. But I won't. That would be sacrilege.
[19:51:59] <andypugh> I read on the Wohlhaupter web site that the UPA 3 and up had detatchable shanks. This one clearly hasn't/
[19:52:00] <cradek> I'd be awfully impressed if you could do that and thread it for a pull stud
[19:53:04] <andypugh> I could weld on a pull-stud.
[19:53:17] <andypugh> Or machine it integrally.
[19:53:25] <andypugh> But I don't think I will.
[19:53:44] <cradek> neither of those schemes gives you a replaceable pull stud
[19:54:29] <cradek> andypugh: I was going to answer something that you asked on -devel 12? hours ago but I lost my scrollback.
[19:54:33] <cradek> do you know what it was?
[19:54:55] <cradek> duh, log
[19:54:56] <andypugh> No, but the I don't anticipate wearing out a pull stud.
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[19:57:27] <kirk_wallace> My guess, the head is more valuable as-is. I could kick myself a hundred times and not make up for the perfectly good stuff I ruined by getting what I thought was valuable off it.
[20:01:53] <andypugh> Yeah, but is it more valuable to me?
[20:03:05] <kirk_wallace> If you could sell it at a profit.
[20:03:06] <JT-Work> andypugh: just get back on fle bay and get a mill to match your boring head
[20:03:16] <JT-Work> flea
[20:03:38] <kirk_wallace> Now your talk'n
[20:04:09] <andypugh> If you click the "previous" button, lots more pics. It's a beautiful thing. I can see why they are about $10,000 new.
[20:05:00] <tom3p> offtopic, nautilus crashes if i access my home directory ( sorry no help from #gnome #ubuntu ), fine with other paths
[20:05:00] <tom3p> atewayLucid kernel: [ 82.418661] nautilus[1944]: segfault at 0 ip 0405224b sp b74eebfc error 4 in libc-2.11.1.so[3f3a000+153000]
[20:05:02] <tom3p> any hints?
[20:06:44] <micges> tom3p: move all normal files (no hidden) from home dir to some temp directory and try again
[20:08:03] <kirk_wallace> My nautilus hangs when I try to open ~. I've stopped using nautilus and use my browser instead. I assumed my hard drive was on its way out.
[20:09:27] <andypugh> Looks like the £120 I paid was a good price, and perhaps I could get more for it than I paid.
http://cgi.ebay.com/Wohlhaupter-Boring-Head-holes-JIG-BORE-SHANK-/310286161117
[20:10:57] <cradek> tom3p: I can't find a launchpad bug that matches well. All I can suggest is
https://help.ubuntu.com/community/ReportingBugs
[20:11:08] <cradek> (or, quit using it, like kirk_wallace did)
[20:11:54] <tom3p> thx, still moving off stuff to a thumb drive... oops that included Desktop,,,
[20:12:42] <micges> tom3p: not DIRs, files only
[20:12:54] <kirk_wallace> andypugh: What do the four screws on the shank flange do?
[20:13:33] <andypugh> Hold down a collar that holds the upper parts on.
[20:14:56] <psha> tom3p: maybe you have some bad file in your home dir?
[20:15:10] <psha> and nautilus tries to make thumbnail for example
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[20:15:24] <cradek> that's a good idea
[20:15:59] <andypugh> kirk_wallace:
http://picasaweb.google.com/bodgesoc/Gibbs#5565840660809484850 sort-of shows it is all one solid piece.
[20:16:57] <andypugh> I reckon it would fit nicely into an adaptor on Skunkwork's machine though.
[20:20:29] <tom3p> micges, wow, that worked, will have to sort thru the few files that were in ~
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[20:21:32] <tom3p> haha, now it crashes when i look at the thumbdrive, more credence to the 'thumbnail' idea, thx again
[20:21:48] <micges> welcome
[20:22:12] <kirk_wallace> Maybe you solved my problem too. Thanks
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[20:24:07] <grommit> I was trying to implement Ed Nisely's joypad config from the recent Digital Machinist mag. I have an error that says "halui.jog.3.analog" does not exist. Why would this be? I have the following in my HAL section of the ini file. Is there a problem with the order....?
[20:24:09] <grommit> [HAL]
[20:24:10] <grommit> HALUI = halui
[20:24:12] <grommit> HALFILE = EMCO.hal
[20:24:13] <grommit> HALFILE = custom.hal
[20:24:15] <grommit> HALFILE = Logitech_Gamepad.hal
[20:25:23] <micges> grommit: add 'show pin' at first line of first file and pastebin.com output
[20:25:52] <tom3p> psha, i think you were looking for dxf2svg, my crasher was an svg created by inkscape from a dxf, so be careful! BEWARE
[20:26:16] <tom3p> its isolated in a sudbir, and all else is fine now
[20:27:23] <grommit> http://pastebin.com/Pk1NGBqn
[20:27:53] <psha> tom3p: i've already used some shareware program
[20:28:04] <psha> and then cleared it with simple xslt ;)
[20:28:24] <psha> tom3p: don't trust perl programs! ;)
[20:28:33] <psha> except debconf :)
[20:28:57] <grommit> in Logitech_Gamepad.hal I have (among other things:-):
[20:29:04] <grommit> net n_28 halui.jog.3.analog mux2.4.out
[20:29:19] <grommit> net n_39 and2.15.out halui.jog.3.minus
[20:29:30] <grommit> net n_40 and2.16.out halui.jog.3.plus
[20:29:38] <cradek> well probably he's got an A axis and you don't
[20:30:01] <tom3p> psha: and it is the thumbnailing, i had renamed it to several extents, but bin worked ( no thumbnail effort )
[20:30:16] <grommit> Ah, yes that is true. He does reference an A axis. is that where jog.3 comes from?
[20:31:52] <cradek> sure, there's one set of lots of things per axis
[20:31:52] <grommit> gotcha
[20:31:52] <cradek> look at your output - everything is 0 1 2
[20:31:52] <grommit> I see that now
[20:31:52] <cradek> except pos - which is probably a bug
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[20:32:09] <grommit> Thanks. I will edit out the A axis references..
[20:32:27] <JT-Work> grommit: did you verify your gamepad pins are the same as the ones in the file your copying?
[20:32:37] <grommit> pretty much
[20:33:17] <grommit> I don't have exactly the same model, but looking in HAL config and monitoring pins looks to be the same names on things
[20:34:45] <grommit> I like how he set up the controls. Except he doesn't assign any buttons to a fixed speed which I intend to do....
[20:35:40] <JT-Work> have you looked at the one on the wiki? it uses 3 set speeds
[20:36:01] <JT-Work> btn1 slow 2 med 3 fast
[20:36:23] <grommit> That is what I am using now (or a variation on that theme).
[20:37:08] <grommit> But I want to push a button and have a single movement (say 0.001). Currently everything is continuous jog
[20:39:00] <cradek> unfortunately halui doesn't have incremental jog
[20:39:09] <JT-Work> darn
[20:40:40] <andypugh> The two buttons for fast, slow and super slow works really well, with the analog you really can creep up on stuff.
[20:42:14] <grommit> Sebastian suggested something like setting a jog scale of 0.001, then set jog-enable true depending on the button press for that axis, then using an encoder component in counter mode to make a counter that increments whenever the "jog a fixed amounjt" button is pressed....
[20:42:29] <cradek> or fix halui
[20:42:43] <cradek> maybe seb was just being silly.
[20:42:48] <cradek> :-)
[20:43:01] <grommit> he did say it was untested...:-)
[20:43:08] <cradek> haha and unimplemented
[20:43:20] <cradek> sounds like you'd always jog too far anyway
[20:43:27] <cradek> you just want incremental jog, obviously
[20:43:27] <andypugh> and unsensible
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[20:44:15] <grommit> I do have encoders on my steppers. Seems like I ought to be able to do something with them other then get following error ;-)
[20:44:28] <cradek> with hal people get all "I can do anything!" and sometimes they don't notice that an obvious feature is actually *missing* and could be added much easier than working around it.
[20:44:58] <cradek> halui incremental jog is obviously just missing and adding it is the right way to get incremental jog using halui
[20:45:00] <grommit> hal people....hmm....
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[20:46:07] <grommit> Would be extremely nice for say a edge finding routine (among other things)...
[20:52:06] <grommit> I would gladly pay a pizza for an incremental jog feature. Well ok, two pizzas. :-)
[20:54:06] <grommit> three?
[20:54:09] <psha> :D
[20:54:35] <psha> i've played a bit with fixed jog component (but not in halui though) but abandoned it :)
[20:55:36] <grommit> You've been dying to do something in halui haven't you? ;-)
[20:55:53] <psha> i've done something there ;)
[20:56:12] <grommit> been there, done that.
[20:56:17] <psha> but i'm too lazy to hack fixed jog code in C/C++ program ;)
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[22:09:42] <Emcrules_Laptop> Has anyone seen a good article on converting a Bridgeport j-head spindle to direct drive? Just got a 3KW spindle and drive to replace tha old induction motor!!!
[22:12:16] <andypugh> Why?
[22:12:49] <Emcrules_Laptop> Sorry i meant 3KW motor
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[22:13:05] <andypugh> By direct-drive do you mean replacing the whole quill and bearings/
[22:13:06] <andypugh> ?
[22:14:14] <Emcrules_Laptop> No just removing the variable pully assembly and replacing with a 1:1 belt setup
[22:15:11] <andypugh> Somebody has a hybrid system (I think) of pneumatic control of the variable drive, and then a VFD for fine control.
[22:15:43] <andypugh> Keeping both might confer some advantages (more torque at low speed, higher top speed)
[22:16:16] <Emcrules_Laptop> Servo = full tourque 0 to 5000 rpm
[22:18:00] <Emcrules_Laptop> Sory i have a beer in my hand. lets start from the beginning. I want to replace the induction motor with a 3KW servo and drive
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[22:21:20] <Emcrules_Laptop> Andy: On another note. How would a servo drive commutate a motor with only encoder signals and no hall signals.
[22:23:19] <Emcrules_Laptop> The reason i ask is that i was planing on picking up a 8i20 to test with but the servos i use on my mill do not indicate any hall signals in the wiring of the encoder. Only A,A-,B,B-,Z,Z-
[22:26:02] <andypugh> Constant torque is not perfect, the original drive is constant power, approximating constant force at the cutting edge.
[22:27:39] <andypugh> Anyway, as the motor will start up not under load, the drive can do an alignment procedure to find the relationship between magnetic angle and encoder counts.
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[22:29:55] <andypugh> Alternatively, you can measure the number of encoder counts between motor magnetic zero and the encoder index, and then the motor can align to encoder index. The bldc component can use either method.
[22:30:10] <Emcrules_Laptop> Andy: so not so much of a critical issue?
[22:34:13] <Emcrules_Laptop> Id really like to use the 8i20's as my drive of choice for retrofits. I plan on buying one this week for testing. If it works out I might retrofit a grit blasting cabinet using them.
[22:38:13] <Emcrules_Laptop> A customer of mine wants to automate a grit blasting process normally i would do this via a PLC but considering they are a machine shop retrofitting to a low cost CNC controller seems to be a natural fit.
[22:38:20] <andypugh> Hall sensors or an absolute encoder are a bit neater (no funny motor wiggles at startup) but the alignment is only half an electrical rotation, so 90 degrees at most.
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[22:46:07] <Emcrules_Laptop> Andy: do you know if there is firmware for the 5i20 to use a 7i48 6 axis analog card?
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[22:50:10] <andypugh> I _think_ the 7i48 just uses the normal PWM and encoder signal pinout, so probably works with a range of firmwares
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[22:52:37] <andypugh> Just checking, the 7i48 uses muxed encoders, so I assume that is why support for them was recently added.
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[22:53:57] <Emcrules_Laptop> Thanks!! How do you like the 8i20 so far, and how is you testing/driver devel going?
[22:58:59] <skunkworks> I am using the 7i48. works great
[22:59:26] <skunkworks> (on a 5i20)
[23:00:07] <Emcrules_Laptop> Thanks Skunkworks: Ordering one tommorow
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[23:01:19] <skunkworks> I am actually using one 7i33(4 analog) on one 5i20 and one 7i48 on the other 5i20. (I need a lot of i/o)
[23:02:49] <Emcrules_Laptop> By the way guys i saw someone looking for Din rail mounts for mesa boards. Weidmuller makes extruded plastic extruded housings to mount pc boards much like din rail mount breakout boards. You can find it on weidmullers website and can be bought by the meter.
[23:03:41] <cradek> you are right about 7i48 - support only in master now (will be in 2.5)
[23:04:43] <Emcrules_Laptop> So i would have to GIT master to get use the 7i48. Ok thanks cradek!!
[23:06:19] <Emcrules_Laptop> Skunkworks: on one PC?
[23:08:28] <skunkworks> Emcrules_Laptop: yes
[23:09:23] <skunkworks> Emcrules_Laptop:
http://www.electronicsam.com/images/KandT/conversion/computermesa.JPG
[23:09:24] <Emcrules_Laptop> Nice what are the other daughter card you are using? I asume this is on some type of VMC?
[23:10:15] <skunkworks> Emcrules_Laptop: yes - a hmc. the rest is i/o (96) so - 2 mesa cards - 10 analog / encoder counters + 96 i/o
[23:10:52] <skunkworks> Emcrules_Laptop:
http://www.electronicsam.com/images/KandT/conversion/DSCF1184.JPG
[23:11:44] <skunkworks> sort of a proof of concept..
http://www.youtube.com/watch?v=39q6kvrSBSk
[23:12:13] <Emcrules_Laptop> Are you driving you relay board right from the 5i20?
[23:12:27] <skunkworks> yes
[23:12:48] <skunkworks> the bottom 2 - are a direct plugin. The top 3 required some cable magic.
[23:13:22] <skunkworks> the bottom 2 are 24 port opto22 boards - with 50 pin connectors.
[23:14:50] <Emcrules_Laptop> Yeah i reconized those puppies. Nice video saw it a couple of days ago.
[23:15:47] <skunkworks> the cards where ebay finds - so we made them work :)
[23:16:10] <andypugh> skunkworks: You could use a single 5i20 and several 7i64 cards now :-)
[23:16:28] <Emcrules_Laptop> Thery are everywhere we just tossed a bunch of them in ye olde bin
[23:17:50] <Emcrules_Laptop> I thought the 7i64 were serial only so 5i20 to 7i44 or 7i46 to 7i64? yes/no
[23:20:34] <skunkworks> andypugh: yah - peter was talking about that - 1 card could do 8*48i/o - unreal :)
[23:24:39] <andypugh> More to the point, serious voltage and current too, 48V and 2A I think.
[23:26:03] <andypugh> Emcrules_Laptop: Yes, 7i44 breakout is handy, though I think it is just a passive connector thingy.
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[23:29:20] <Emcrules_Laptop> Andy: i was talking to peter and he had sugested to me that the 5i23 would be a better choice due to the larger fpga and that the 5i20 is pretty full. His comment also included the use of 8i20's as well
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[23:35:01] <andypugh> The 8i20 is pretty nice.
[23:35:32] <andypugh> With small changes to firmware it would make a very nicely integrated spindle VFD too.
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[23:36:48] <markpictor-away> skunkworks: my encoders arrived
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[23:37:12] <Emcrules_Laptop> So If i was to build a destop case based on a D510MO and a 5i23 and a 6 axis daughter card what card would you use for I/O
[23:37:33] <Emcrules_Laptop> Skunkworks: what kind?
[23:45:20] <kirk_wallace> Hello. Now that I have my spp.comp going, I need to go to the next step. I want to enter parallel port base addresses to the loadrt command line so that spp.N will be assigned to the corresponding port addresses. ex. -- loadrt spp cfg="0x278 0x378" , where spp.0 will have a base at 278 and spp.1 at 378. I assume there are global variables that the loadrt command is parsed to? Maybe something to do with RTAPI_MP_INT?
[23:48:23] <andypugh> kirk_wallace: Yes
[23:50:49] <kirk_wallace> I've tracked RTAPI_MP_INT to rtapi.h, but then there is a define:
[23:50:52] <kirk_wallace> #define RTAPI_MP_INT(var,descr) \ MODULE_PARM(var,"i"); \ MODULE_PARM_DESC(var,descr);
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[23:51:11] <kirk_wallace> Then I tend to get lost.
[23:51:43] <andypugh> http://pastebin.com/i0c3VDDH
[23:51:53] <andypugh> Is how I pass strings to my bldc.comp
[23:52:55] <kirk_wallace> Great, Thanks. I'll take a look.
[23:53:33] <andypugh> I think extra_arg is a variable defined in the created c file. (and possibly undocumanted)
[23:54:27] <skunkworks> markpictor: I got mine also :)
[23:54:46] <skunkworks> hooked one into the mesa card - came out to 20K per rev - seems to work
[23:55:19] <markpictor> cool!
[23:55:33] <skunkworks> yes
[23:55:48] <skunkworks> just have to make up some hubs when we decide what to use them on :)
[23:55:54] <markpictor> yea
[23:56:21] <markpictor> with the step in the bore, it won't be bad - just thread a hole in the end of the shaft and use a capscrew
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[23:56:58] <markpictor> if that was mentioned on ebay, I didn't see it
[23:57:33] <markpictor> out of curiosity, have you looked at the uvw signals? I'm curious how they get their 10 pole commutation
[23:58:18] <skunkworks> no - not yet
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[23:59:37] <JT-Shop> andypugh:
http://www.linuxcnc.org/docview/html/hal_comp.html#r1_5
[23:59:57] <JT-Shop> look at option userinit yes
