#emc | Logs for 2011-10-31

[00:00:04] <Tom_itx> i'd coat it with solder
[00:00:05] <jdhNC> nah, I'll buy some. Thanks though!
[00:00:08] <Tom_itx> ok
[00:00:14] <Tom_itx> if you ever need any...
[00:00:27] <jdhNC> heh, I'll keep the double sided in mind.
[00:00:33] <Tom_itx> i got it from a board house here that closed
[00:00:39] <jdhNC> any reason to get 2oz instead of 1oz for the above use?
[00:00:43] <Tom_itx> i had about 2 pickups full
[00:00:43] <crazy_imp> is there somewhere an overview about the structure of emc?
[00:01:01] <Tom_itx> jdhNC, use a tracewidth calculator for that answer
[00:01:07] <Tom_itx> maybe even 4oz?
[00:01:55] <Tom_itx> i had one sheet of 2oz but it's buried in the pile and i'd have to mic them to find it
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[00:03:26] <jdhNC> smallest trace is aroudn .300 I'll get some 2oz though.
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[00:04:05] <Tom_itx> you can always 'tin' it with solder
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[00:04:39] <pcw_home> Actually I was wrong, the 7I69 does not have bidirectional parameters only a bidirectional mode
[00:05:03] <andypugh> Yes, I was just about to say that..
[00:09:04] <andypugh> However, I have just checked, and all 4 modes work for the 7i69
[00:09:35] <andypugh> Currently if the driver sees a bidirectional pin it will create it as a HAL IO pin.
[00:10:12] <andypugh> (And I guess we might need HAL IO pins at some point, as the encoder-index scheme relies on t.
[00:12:39] <andypugh> I think that be behaviour of the existing HAL IO pins is that they only write a new value to the pin if the internal value has changed.
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[00:21:27] <pcw_home> Yeah I think thats right bidirectional pins should be bidirectional in HAL (we would need no-op data to avoid a write however)
[00:22:27] <pcw_home> I had forgotten that the 7I69 pins bidirectionality is outside of the scope of what the drive knows or should know
[00:22:44] <pcw_home> s/drive/driver/
[00:23:59] <andypugh> How many physical pins does it have?
[00:24:06] <pcw_home> the state changing writes need to have no-op data also for DMA
[00:24:14] <pcw_home> 48
[00:24:48] <andypugh> Ah, so the 48 in / 48 out mode requires the HAL to set inputs high to read them back?
[00:25:40] <pcw_home> in the defusl mode you can do a loopback test (set an output to 1, the cooresponding input bit should 1)
[00:25:43] <pcw_home> (no, set them low at the HAL level (High at the physical level))
[00:25:54] <andypugh> I _think_ that from the HAL point of view it would be OK to simply not update the HAL pin if the data from the card hasn't changed.
[00:27:39] <andypugh> (Checks 7i69 loop-back) Yes, that works
[00:28:47] <pcw_home> All I am saying is that for bidirectinal pins, SSLBB does not give you the option of not updating the remote with the register data every DOIT
[00:28:49] <pcw_home> (similar problem as DMA)
[00:28:55] <pcw_home> SSLB
[00:29:04] <pcw_home> SSLBP
[00:29:04] <andypugh> P
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[00:29:36] <pcw_home> An I haven't even had a glass of wine...
[00:29:45] <andypugh> I guess the question then is whether the card can ignore having the value it last wrote written back to it.
[00:31:22] <pcw_home> It really should not matter except for control register type things (Index enable being a good example)
[00:31:23] <andypugh> http://www.downforeveryoneorjustme.com/www.mesanet.com
[00:32:25] <pcw_home> May be, our provider has been shuffling things about
[00:32:33] <andypugh> Bizarrely ww.mesanet.com _does_ work..
[00:33:22] <andypugh> And now www is back
[00:33:39] <andypugh> Or not...
[00:33:56] <pcw_home> our local (but slow) copy should work (freeby.mesanet.com)
[00:34:56] <andypugh> It's time I went to sleep anyway. I was just looking to see if there is any 7i77 information. Then I can try to work out what the bidirectional pins do.
[00:35:49] <pcw_home> Even 7I77 has no bi-di pins (just non-byte aligned data, 1 bit booleans etc)
[00:36:16] <pcw_home> nite and thanks again
[00:38:20] <pcw_home> Yeah they are futzing about, FTP and SSH are down as well
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[10:28:05] <Loetmichel> moin
[10:29:11] <elmo401> http://www.cncrouterparts.com/
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[12:10:05] <jthornton> http://gnipsel.com/shop/hardinge/hardinge-gallery.xhtml
[12:16:02] <Tom_itx> how old is that lathe?
[12:17:20] <jthornton> 95 I think
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[13:55:37] <ktchk> hi ibus input for chinese cause keyboard Stop moving
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[14:00:25] <archivist> ktchk, is it just losing focus
[14:01:29] <ktchk> no the up down key will not move the tool any more
[14:02:33] <ktchk> switching off the ibus and the key board resume normal
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[14:04:10] <ktchk> can some one test the ibus input program and confirm it breaks the emc2?
[14:06:23] <archivist> why do you think it is an emc problem
[14:08:03] <jdhNC> where I work, the people that don't understand the hardware assume it is always a software problem.
[14:09:04] <archivist> I assume he is talking about http://code.google.com/p/ibus/ something that I have never heard of before
[14:10:21] <ktchk> the ibus is language ims like chinese janpanese
[14:12:48] <JT-Shop> you might want a regular keyboard for a cnc machine...
[14:13:25] <ktchk> it is a regular keyboard
[14:15:02] <A2Sheds> http://code.google.com/p/ibus/issues/list ibus is still what I'd call a beta
[14:15:56] <ktchk> ibus does not work with opera also
[14:16:16] <A2Sheds> and about 300 other things
[14:16:46] <JT-Shop> then you might want to get rid of ibus
[14:16:58] <ktchk> but only install it should not effect emc2
[14:17:14] <A2Sheds> why not?
[14:17:37] <archivist> ktchk, bad assumption
[14:17:39] <ktchk> it does not effect others why only emc2
[14:18:14] <A2Sheds> there are 395 pages of issues on the wiki
[14:20:09] <ktchk> wiki does not show language like chinese input problem
[14:25:34] <archivist> problem is not language but connection and focus
[14:26:03] <JT-Shop> sounds like an ibus issue not an EMC problem
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[16:58:32] <JT-Shop> YEA! the CHNC is fully back up and on line
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[17:06:32] <awallin_> some voronoi-diagram work today: http://www.youtube.com/watch?v=yRyZ7SjYibM
[17:10:29] <JT-Shop> looks like a drunk spider web... what is it?
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[17:15:24] <awallin_> heh, it's a diagram which allows computing 2D offsets, or v-carving toolpaths.
[17:18:53] <pcw_home> JT-Shop very fast V cut PCBs is an application
[17:19:23] <JT-Shop> neat!
[17:20:00] <pcw_home> only cut the needed isolations
[17:20:16] <awallin_> I got some code from this guy: http://www.payne.org/index.php/CNC_Projects (see bottom of page)
[17:21:26] <awallin_> anyway the idea is to produce things like this http://www.cosy.sbg.ac.at/~held/projects/vroni/img/m32392_off.gif reliably, and fast.
[17:21:45] <awallin_> obviously green is input geometry and white are offsets in that gif
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[17:25:47] <JT-Shop> so to get the minimum travel time for the cutter?
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[17:34:43] <awallin_> mostly just generating the toolpath at this point. there are applications of voronoi-diagrams to optimization also (minimum spanning trees, which is related to travelling salesman etc)
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[17:38:48] <syyl_> hmm
[17:39:04] <syyl_> about to cut my first timing belt wheel with the fourth axis
[17:39:10] <syyl_> a bit nervous ;)
[17:40:03] <awallin_> just turn feed-override to 150% and hope for the best? :)
[17:40:58] <syyl_> duck&cover ;)
[17:42:57] <syyl_> mh
[17:43:01] <syyl_> no cracking sounds
[17:43:21] <syyl_> always a good sign
[17:44:14] <JT-Shop> syyl_: is it an A axis?
[17:44:18] <syyl_> yes
[17:44:25] <JT-Shop> neat!
[17:44:49] <syyl_> mh, the cutter i made is crap
[17:44:58] <syyl_> its more pushing than cutting ;)
[17:45:11] <syyl_> but my gcode seems to be fine..
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[17:55:48] * JT-Shop hands syyl_ a sharp cutter
[17:56:21] <syyl_> thank you, sir
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[18:03:44] <skunkworks> I like that I seem to dull more cutters than break them now...
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[18:24:05] <anonimasu> thats a good sign
[18:24:14] <anonimasu> 2
[18:24:23] <anonimasu> skunkworks: I had that issue before I got a _decent_ mill
[18:24:38] <anonimasu> they broke in 5 minutes now they last a few days of cutting random things
[18:26:28] <skunkworks> heh
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[18:39:38] <Danimal_garage|2> hi
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[18:49:35] <JT-Shop> hi Dan
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[19:20:15] <Danimal_garage|2> hi John
[19:20:18] <Danimal_garage|2> how goes it
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[19:24:08] <JT-Shop> good, the CHNC is in the shop, in place, and making a part as we speak
[19:24:19] <Danimal_garage|2> nice!
[19:24:26] <Danimal_garage|2> whats left?
[19:24:43] <MOGLI> Can i control More than 9 axis in EMC2.. actually its a positioning application i dont need to control more than 3 axis at a time...
[19:24:58] <JT-Shop> the VMC and the BP and some shuffling
[19:25:02] <MOGLI> something like multiplexing.. all axis are Brushtype DC servo 125watt
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[19:25:18] <cnc-9-Achsen> hi all
[19:25:25] <cnc-9-Achsen> here are the 1000picture from the haloweenparade -> http://www.citydisplay.de/modules.php?name=coppermine4&file=thumbnails&album=2054
[19:25:31] <JT-Shop> probably in HAL
[19:26:23] <MOGLI> i want to control 16.. 4 axis applicatin will do a job.. but the problem is to maintain all Position variables :(
[19:26:35] <MOGLI> any good start point??
[19:27:22] <cnc-9-Achsen> herei the vie for the pendant output to the emc it works fine now ->http://www.pictureupload.de/originals/pictures/311011202058_Bildschirmfoto_arduino_31_okt.png
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[19:29:13] <cnc-9-Achsen> Connor: ?
[19:29:25] <Connor> yea?
[19:29:51] <cnc-9-Achsen> im up and running with the pendand B)
[19:30:02] <cnc-9-Achsen> all communication is fine
[19:30:32] <cnc-9-Achsen> only problem for now is that if the pendand USB connect goes of EMC stops also
[19:31:18] <Connor> Yea. You probably need some sort of error checking in the EMC module that will let it timeout gracefully or something.
[19:31:21] <cnc-9-Achsen> im on 30commands a second to the Arduino and 120 per sec to the PC
[19:31:54] <cnc-9-Achsen> it troubled by the try: in the python
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[19:32:15] <cnc-9-Achsen> i think i will go for a while loop
[19:32:24] <Connor> That's what I meant in the python module.
[19:32:27] <cnc-9-Achsen> 650lines of code in arduino sofar
[19:32:56] <Connor> are you just sending a 0 + or - for the X/Y/Z ?
[19:33:37] <cnc-9-Achsen> ser.port_available is implemeted but it normaly not fails where it is regonised
[19:34:22] <Connor> My encoder was wired direct to parport, and I used the USB for Buttons, and input from EMC for the DRO
[19:35:05] <cnc-9-Achsen> Connor: output to the Python
[19:35:07] <cnc-9-Achsen> http://www.pictureupload.de/originals/pictures/311011202058_Bildschirmfoto_arduino_31_okt.png
[19:35:24] <Connor> Huh?
[19:35:52] <cnc-9-Achsen> FE Feed Enable
[19:36:13] <cnc-9-Achsen> the Axis folowd by positiv or negativ or Null
[19:36:27] <cnc-9-Achsen> J1 indicates the Speed
[19:36:50] <cnc-9-Achsen> J1 to J4 as the rotory switch sets it
[19:36:53] <Connor> I don't remember what I did.
[19:36:57] <Connor> :)
[19:37:04] <Connor> I'll have to go back and look sometime.
[19:37:26] <cnc-9-Achsen> the Blue button on the jogbutton panel gets You the max speed
[19:37:29] <jdhNC> I touched my G0704 this w/e!
[19:37:43] <ve7it> awallin_, did the code you got from that fellow get you close to v carving?
[19:37:44] <Connor> jdhNC: Nice.
[19:38:42] <Connor> I cleaned up my workbench and wired my additional outlets up. I wanted them on separate feed.. but, I need them more than separate feed and having hard time getting a skinny electrician.
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[19:39:03] <IchGucksLive> Connor: pendand View http://www.pictureupload.de/originals/pictures/230711193031_V1_manue.jpg
[19:40:01] <cnc-9-Achsen> Connor: the Blue bottom on the wight Buttom array
[19:40:20] <jdhNC> I need some anodizing done, anyone do small lots?
[19:40:22] <Connor> IchGucksLive: My issue was with the 400 count encoder, way too many ticks going for the serial to keep up.
[19:40:33] <cnc-9-Achsen> with less then 2/3 of code used fulll function runing
[19:40:38] <Connor> jdhNC: Do it yourself. You can buy the stuff..
[19:40:53] <jdhNC> I'd rather it be done well by someone with a clue
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[19:40:59] <cnc-9-Achsen> now programm and Homing will be next 1
[19:42:03] <cnc-9-Achsen> i also manadged to to jog one shot pricise 0.01 to 5 mm with the MFG in the middle
[19:42:42] <cnc-9-Achsen> this MFG has a switch so you are able to eneble and disable the Jog for non wanted moves
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[19:43:26] <Connor> IchGucksLive: Looking good!
[19:43:34] <cnc-9-Achsen> also the feed -JOGGING is to enable and disable and will be disabled if no action for a given time
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[19:47:37] <cnc-9-Achsen> Connor: Testcode http://paste.pocoo.org/show/500919/
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[19:51:30] <Tom_itx> what chip is that for?
[19:53:00] <Connor> I think he' using a Arduino.. So, 328P ?
[19:58:05] <Danimal_garage|2> ha, i just realized one of my micrometers is metric
[19:58:26] <Danimal_garage|2> obviously i've never usedi t
[19:58:26] <jdhNC> wow, people still use metric?
[19:58:29] <syyl_> thats a good micrometer
[19:58:42] <Danimal_garage|2> metric is for the birds
[19:58:54] <Danimal_garage|2> :)
[19:58:55] <syyl_> metric works ;)
[19:58:59] <Tom_itx> send it to syyl
[19:59:11] <syyl_> jippie
[19:59:18] <Tom_itx> thank god my calipers read both
[19:59:21] <Danimal_garage|2> i'll sell it to him
[19:59:21] <A2Sheds> inch by inch we're getting closer to using metric here
[19:59:31] <syyl_> new try at cutting a timing belt gear
[19:59:32] <Danimal_garage|2> har har
[19:59:38] <syyl_> this time with a slitting saw ;)
[19:59:42] <Tom_itx> we tried in the 70's.... epic fail
[20:00:12] <syyl_> one center cut, rotate, cut one flank, rotate cut the other flank..
[20:00:19] <syyl_> seems to work Oo
[20:00:26] <Tom_itx> syyl, grind a cutter to fit and use a flycutter
[20:00:49] <syyl_> thats the plan
[20:00:56] <syyl_> i have a nearly finished bonelle cutter grinder sitting on my workbench
[20:01:03] <syyl_> nearly finished for about a year...
[20:01:08] <Tom_itx> :)
[20:01:21] <Danimal_garage|2> i guess i can just use it as a c-clamp
[20:01:25] <jdhNC> I have some nearly started projects
[20:01:38] <Tom_itx> Danimal_garage|2, not even good for that really
[20:01:38] <Danimal_garage|2> i wonder if i can turn it into a bottle opener
[20:01:44] <syyl_> but only for welding, Danimal_garage|2 ;)
[20:01:51] <syyl_> not for any precise work
[20:01:56] <Connor> I hate Metric vs SAE... Drive me nuts..
[20:02:15] <syyl_> sae?
[20:02:18] <syyl_> imperial?
[20:02:24] <Danimal_garage|2> the bicycle industry is 50/50
[20:02:42] <Danimal_garage|2> my chainrings have inch pitch, but metric bolt patterns
[20:03:16] <syyl_> hmm
[20:03:21] <syyl_> looks like a timing belt gear
[20:03:26] <Tom_itx> just use mil
[20:03:31] <syyl_> but isnt anithing close to a fit
[20:03:32] <syyl_> ;)
[20:03:33] <Connor> SAE = Standard American English.
[20:03:49] <Connor> but, yea, SAE = Imperial for this conversation.
[20:04:42] <Connor> Well..SAE really means Society of Automotive Engineers.. but..
[20:04:58] <Tom_itx> bunch of lugnuts there
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[20:09:53] <syyl_> ah
[20:10:03] <syyl_> messed up the angle between the tooths of the gear
[20:10:52] <cnc-9-Achsen> jdhNC:"wow, people still use metric?" morein the world then others
[20:11:17] <jdhNC> c'mon, you have to be kidding. Nobody I know uses metric.
[20:11:42] <cnc-9-Achsen> here they do do it all even in the USAFB
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[20:13:50] <Jymmm> Metric is dead!
[20:14:54] <Jymmm> Long live the Cubit!
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[20:16:39] <cnc-9-Achsen> Jymmm: agree B)
[20:16:49] <cnc-9-Achsen> so im done by for today
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[20:16:56] <anonimasu> do you need to modify anything if you do mill external threads with a standard boring bar?, like releive the back of the tooth or something?
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[20:22:39] <JT-Shop> 60° angle
[20:24:11] <Jymmm> JT-Shop: Is that metric or imperial degrees?
[20:25:33] <A2Sheds> http://snltranscripts.jt.org/75/75rdecabet.phtml anyone else remember this SNL sketch?
[20:26:00] <JT-Shop> I don't know Jymmm I can't find the reference to that and give up looking
[20:26:13] <Jymmm> JT-Shop: =)
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[20:57:45] <skunkKandT> Z axis still has less than .0001" backlash. awesome
[20:58:44] <Danimal_garage|2> wow
[20:58:52] <Danimal_garage|2> that's really good
[20:59:06] <skunkKandT> considering it goes though a few gears..
[20:59:07] <Danimal_garage|2> i dont even know if my hardinge is that good
[20:59:32] <Danimal_garage|2> is that with compensation in the ini?
[20:59:58] <Danimal_garage|2> or the actual mechanical backlash is only .0001
[21:02:26] <skunkKandT> none
[21:02:35] <skunkKandT> actual mechanical
[21:02:42] <Danimal_garage|2> wow
[21:03:05] <Danimal_garage|2> i wouldnt kick that out of bed for eating cookies
[21:03:27] <skunkKandT> very happy with the mechanics
[21:04:21] <Danimal_garage|2> my mill has close to .001", but that's because it has crappy couplers
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[21:04:45] <Danimal_garage|2> i'm going belt drive pretty soon so that should fix that
[21:05:11] <skunkKandT> The z axis goes through a few gears like this + a right angle zero backlash gearset.
[21:05:13] <skunkKandT> http://electronicsam.com/images/KandT/conversion/zaxis/gears1.JPG
[21:05:20] <Danimal_garage|2> the couplers on there are just couplers for a regular motor, not a positioning motor
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[21:05:52] <Danimal_garage|2> nice
[21:07:51] <kp_home> Hi everybody. Trying to compile a hal component in a .c file, but I don't know what parameters to pass to gcc. I'm not familiar with makefiles to read what happens when the standard components are compiled. Can anyone point me in the right direction?
[21:08:26] <syyl> http://dl.dropbox.com/u/24396704/2011-10-31_21-39-55_855.jpg
[21:08:30] <syyl> http://dl.dropbox.com/u/24396704/2011-10-31_21-40-38_222.jpg
[21:08:34] <syyl> not to bad, ha?
[21:08:59] <syyl> cut with a slitting saw
[21:09:01] <andypugh> kp_home: Use "comp" Saves all that bother.
[21:09:10] <syyl> http://www.youtube.com/watch?v=bQiB8H97EG4
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[21:10:03] <andypugh> kp_home: http://linuxcnc.org/docs/html/hal_comp.html secion 1.12
[21:10:31] <andypugh> comp --install will compile the .c file and put the kernel object in the right place too.
[21:10:59] <kp_home> Hi Andy. Kostas from forum here. I'd like to make a userspace component that will communicate with the serial port. Is this possible with comp?
[21:12:58] <andypugh> I would expect so, though I haven't tried. I have heard that pyserial can be used, too.
[21:13:57] <andypugh> Maybe try a simple "hello world, here is a HAL pin value" file to see?
[21:15:34] <andypugh> The comp page says that you can't make userspace components in C using comp, you would have to write it in comp. (I guess this is because there is nowhere to put the "option userspace yes;" line in a C file, mainly
[21:16:31] <andypugh> syyl: That worked better than I first expected. Where did you get the geometry from?
[21:17:34] <syyl> from a table book for metal working
[21:17:55] <syyl> the geometry i cut is not perfect, as it lacks the radius on top
[21:18:50] <andypugh> Purists might hate this idea, but I would fix that with a file.
[21:18:51] <kp_home> I don't know how to include the stdio.h in comp, that's why I thought I try with a .c file
[21:20:31] <syyl> i think that would be adequate, andypugh
[21:20:44] <syyl> http://dl.dropbox.com/u/24396704/zahnriemenrad.ngc
[21:20:49] <syyl> the gcode :)
[21:20:51] <andypugh> kp_home: Just put the include after the ;; line
[21:20:59] <syyl> its a bit rough, but works...
[21:22:28] <andypugh> kp_home: Just like line 388 here http://git.linuxcnc.org/gitweb?p=emc2.git;a=blob;f=src/hal/components/bldc.comp;h=6fbb4260cd41ac3ad737a2d056ff8f5a36d08d23;hb=89341b9869bd86f01f2c562b0daae254478d7de4
[21:22:38] <andypugh> (not the briefest of example files)
[21:22:52] <A2Sheds> MattyMatt: this might be RTAI port worthy, have to see what IO is available to interface to an FPGA or pulse a stepper http://www.linuxfordevices.com/c/a/News/BeagleBoardorg-BeagleBone/
[21:23:51] <kp_home> hehe. indeed ..
[21:24:00] <kp_home> I'll try it
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[21:25:29] <andypugh> Alternatively, there is an undocumented command in comp, that goes before the ;; and includes earlier. This is important if your data definitions need a type from a header, but not otherwise. I used it here, in line 46: http://git.linuxcnc.org/gitweb?p=emc2.git;a=blob;f=src/hal/drivers/mesa_7i65.comp;h=5ea69e0162c7ae9271fa154f0257bcd96185d5ed;hb=eb0efef8bb945d0b33358bbca8b77895879315d3
[21:25:36] <skunkKandT> hmm - setting my deadband to .00003" seems to have helped... good or bad. (seems to search)
[21:26:16] <skunkKandT> input scale of 51529.48
[21:27:03] <kp_home> andy, where did you find the info that says that you can't make a userspace component in C? man page says it has a parameter --userspace for this purpose.
[21:27:22] <kp_home> anyway, it will be a lot easier in a .comp I guess
[21:27:54] <andypugh> I said that you can't compile and install using comp. But I just read that straight from the html docs
[21:34:27] <andypugh> Yes, you are right, the manpage says that you _can_ compile c-files in userspace.
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[21:37:14] <kp_home> I tried the #include directive, but says that it can't find stdio.h
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[21:39:08] <andypugh> Do you have it as "stfio.h" or <stdio.h> ?
[21:39:23] <andypugh> The latter is more likely to work
[21:39:42] <andypugh> (even if you spell the first one correctly)
[21:39:58] <skunkKandT> heh
[21:40:23] <kp_home> I didn't know the existence of stfio.h :)
[21:42:32] <kp_home> No need to mention what happens when i include with "" and the full path I guess ..
[21:49:12] <MattyMatt> A2Sheds: BeagleBone :) high fnarr factor in the name
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[21:52:06] <MattyMatt> no a/d on board afaics. that rules it out for repraps
[21:52:34] <andypugh> Hmm, BeagleFag next? (The only other thing that Beagles are famous for)
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[21:53:49] <MattyMatt> and sleeping on top of the kennel
[21:54:18] <MattyMatt> and crashing with out a trace on Mars
[21:55:31] <MattyMatt> there's a guy running 19 repraps in a rack. that looks like the beagle smoking lab
[21:57:18] <andypugh> Well, yes, but apart from all those other, more famous things, the only thing is smoking research,
[21:58:19] <MattyMatt> it's all real beagles are good for ;)
[21:58:38] <MattyMatt> unless you have a rabbit that needs harrasment
[22:00:04] <kp_home> I tried test compiling streamer_usr.c with comp, when I don't include the --userspace option there are lots of errors that it can't find stdio.h, stdlib.h etc.
[22:00:04] <andypugh> There used to be a pack of beagles went hare coursing in the valley where my parents live. The local joke was that they never dared to catch it.
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[22:00:51] <MattyMatt> kp_home, what OS?
[22:00:53] <kp_home> when I include the --userspace, it hits when it gets to include "streamer.h", which is strange since I have this file in the current dir.
[22:00:53] <andypugh> kp_home: Out of interest, what do you want serial comms with?
[22:01:56] <kp_home> Ubuntu 8.xx I think.
[22:01:58] <andypugh> comp makes an intermediate file somewhere, and your paths have to be relative to that position (it's a bit of a pain that way)
[22:02:16] <kp_home> oh, ok ..
[22:03:19] <andypugh> I think I know where it ends up in a Run-In-Place, but is your system installed?
[22:03:38] <kp_home> MattyMatt: I made a little sketch in an arduino board. I want to control some pins from the board.
[22:03:55] <MattyMatt> makefile usually has an include path, which has sth like /usr/include in it. you can make a symlink to where your actual libc includes are
[22:04:17] <MattyMatt> ah so this is arduino libc not the system one?
[22:04:36] <kp_home> what you mean andy? is my system installed?
[22:05:00] <kp_home> no, the arduino is a separate project :)
[22:05:44] <kp_home> I'm near to an end with this one, so I jumped to the component end.
[22:05:58] <MattyMatt> kp_home best ask in #arduino, or come to #reprap lotsa arduino experts there
[22:06:22] <MattyMatt> majority using windows, but a fair few use linux
[22:07:02] <kp_home> MattyMatt, I'm not in an arduino environment ..
[22:07:39] <MattyMatt> no, but you're building a program with the arduino libs
[22:07:54] <MattyMatt> using the arduino cross-compiler, if I'm not mistaken
[22:08:23] <kp_home> No, I'm building with the linux libs. The component will talk to arduino via the serial port. Other than that, no connection.
[22:08:34] <MattyMatt> ah gotcha, sorry
[22:08:37] <kp_home> k
[22:10:21] <kp_home> andypugh: you said that you know where it ends in a run-in-place and if my system is installed. Can you clarify a bit?
[22:10:56] <MattyMatt> so what I said about the makefile and the symlink holds true then, but I can't remember the exact details
[22:11:22] <andypugh> kp_home: Did you install EMC2, or compile it?
[22:11:48] <MattyMatt> have a look for stdio.h in places like /usr/include /var/usr/include and whatever
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[22:11:54] <kp_home> both. I have the packages and the source code. I run my cnc from the packages, play with the sources
[22:12:38] <MattyMatt> if you've ever built anything you must surely know where std*.h are :)
[22:12:42] <andypugh> So, you are compiling in the source tree?
[22:12:51] <kp_home> MattyMatt: I'm not familiar with compiling in linux. Used to program in C/C++ in borland c++ builder.
[22:13:05] <kp_home> stdio.h is in /usr/include i think.
[22:13:44] <kp_home> I tried to compile inside and outside the source tree. Same results. At least with the streamer_usr.c file I tested with.
[22:15:36] <MattyMatt> hmm, there doesn't seem to be an equivalent envvar to the ones windows compilers use
[22:15:59] <andypugh> I _think_ that your intermediate file might end up in src/objects/hal/components
[22:16:15] <kp_home> I've built some programs in C in linux, but the include <stdio.h> works there
[22:16:27] <MattyMatt> I'll shut up now. It's so long since I did any C coding I'm misremembering too much
[22:16:52] <MattyMatt> C coding without MSVC especially :)
[22:17:19] <MattyMatt> I love my warm bath IDEs
[22:19:14] <kp_home> Andy, I tried compiling the streamer_usr.c file inside the source tree where it belongs. Says it misses the streamer.h which is in the same dir. Must be something with the makefile options that does the trick, but I definetely can't read this.
[22:20:28] <kp_home> I thought I might study some things on makefiles and the like, but I think I'll end up reading for a month :)
[22:20:48] <MattyMatt> kdevelop and anjuta are the best linux ide I've tried
[22:21:04] <MattyMatt> kdev probably better of the 2
[22:21:28] <MattyMatt> eclipse is supposed to be best but I've never got on with it for anything but java
[22:22:15] <kp_home> I loved IDEs too, but I decided I go back a couple of decades and do stuff I liked back then!
[22:22:52] <MattyMatt> coding z80 with a hex editor? yeah that's cool too ;)
[22:22:59] <kp_home> (That's a little hacking with C and playing with lower level stuff)
[22:23:58] <kp_home> No, my first attempts where hacking games in an ORIC with peek and poke in basic. Didn't need a hex editor back then .. :)
[22:24:18] <MattyMatt> ew 6502
[22:24:19] <kp_home> Didn't need much sleep, either, back then .... hehe
[22:24:33] * MattyMatt was a cisc snob
[22:25:08] <skunkKandT> kp_home: wouldn't usb be easier?
[22:25:11] <kp_home> Yes, 6502. reading commands from the oric manual and playing with infinite lives in pacman was the game
[22:25:35] * skunkKandT doesn't really know what is going on...
[22:26:04] <MattyMatt> 8 bit nostalgia. apologies for OT
[22:26:56] <kp_home> Yes, USB will be the one I will play with. Did I say serial? Both need I open and write to a file, though.
[22:28:52] <skunkKandT> kp_home: does this help? http://emergent.unpythonic.net/01198525592
[22:31:20] <kp_home> Yes, I saw Jeff's python sources. I thought it might be better to code in c and not have to spend some days get familiar with python, though. But it's a thought already.
[22:31:22] <skunkKandT> I was thinking about using the arduino to get temp data back into emc. (offsetting the Z axis as the temp rises) (and maybe Y axis in a smaller extent)
[22:33:14] <skunkKandT> (analog inputs and all)
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[22:33:56] <kp_home> I will use the arduino with an lcd and some buttons to control the P/I/D/FFx parameters. My thought was that I would make a generic component in C and pass the menu parameters to arduino.
[22:34:12] <kp_home> This way it will be very easy to go to another machine, connect some pins to the comp and connect the control box there, over USB.
[22:35:21] <skunkKandT> sort of a tuning device?
[22:35:40] <kp_home> I have some results with the arduino sketch. Need to figure some float problems out, but it will work eventually.
[22:35:55] <kp_home> sort of a tuning device ..
[22:36:08] <kp_home> manual tuning, of course
[22:36:35] * skunkKandT wishes there was a magic tuner out there...
[22:36:51] <skunkKandT> some day
[22:37:46] <kp_home> how you do that? with the * and the message? I use IRC for the first time.
[22:38:03] <skunkKandT> /me
[22:38:16] * kp_home wishes the same ..
[22:38:19] <skunkKandT> heh
[22:38:40] <kp_home> but where's the beauty in autotuning?
[22:39:01] <skunkKandT> The beauty is you don't have to know what you are doing...
[22:39:05] <skunkKandT> :)
[22:39:38] <kp_home> true. that's the answer I was expecting :)
[22:39:50] <JT-Shop> then I'm qualified if I don't need to know what I'm doing
[22:40:03] <skunkKandT> here here!
[22:40:21] <jdhNC> I've used auto tuners on several systems, they seem to generate random numbers.
[22:40:42] <skunkKandT> heh
[22:40:49] <skunkKandT> I don't want to here that!!
[22:41:19] <kp_home> That's another beauty I guess. The lottery excitement.
[22:41:45] <jdhNC> there is an auto-tuner for delta-tau pmac's, they tune based on running the motor 1000 counts (16k/rev)
[22:42:52] <skunkKandT> *hear
[22:43:02] <jdhNC> then there are the pots on the amps for zero, gain, max current, etc.
[22:44:47] <skunkKandT> I have that now with my AMC amps... It is the pidffx that I need help with.
[22:45:07] <jdhNC> in velocity mode?
[22:45:30] <skunkKandT> some are - some are not. (sort of an experiement)
[22:46:23] <skunkKandT> actually - I have xyz in velocity mode. (2 actual tachs and 1 virtual tach from the mesa card)
[22:47:26] <jdhNC> for mine, I think a scope would do wonders for tuning. There is a pmac graphical package that runs X revs, records DAC output, feedback, etc. and plots it
[22:47:49] <skunkKandT> Halscope does most of that.. for me anyway
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[22:49:29] <skunkKandT> B axis is current mode.. but that only has to get me close. (5 deg increments)
[22:49:32] * kp_home going to sleep. Thanks guys!
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[22:54:04] <tom3p> with live 10.04 cd, I get the msg "RTAPI: ERROR: failed to map shmem"
[22:54:05] <tom3p> I am reading the wiki page on LockedMemory but i see a fix but whats is the cause?
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[22:55:44] <A2Sheds> MattyMatt: yes, it would still need external RAM, A/D and SD for boot and hold Linux
[22:58:39] <JT-Shop> tom3p: using a 2.3 config
[23:01:12] <tom3p> JT-Shop, sorry I dont understand, get an emc config from another system? dont use one from the live cd?
[23:02:19] <tom3p> the wiki page talked about running 'ulimit -l 20480 or editing a file then loggingout/in
[23:03:05] <tom3p> JT-Shop, if you ask what config i used, it was whatevers on the live cd for sim/Axis
[23:03:21] <MattyMatt> A2Sheds: it looks like it does have a/d
[23:03:34] <MattyMatt> and enough onboard flash for the OS
[23:04:13] <MattyMatt> and 256MB is plenty compared to arduino
[23:04:30] <MattyMatt> so it's a contender
[23:05:27] <JT-Shop> tom3p: hmmm
[23:06:00] <JT-Shop> which config is it?
[23:06:25] <tom3p> sim/Axis
[23:07:27] <JT-Shop> wrong guess then...
[23:08:38] <tom3p> ok, thanks, i'll try the wiki suggestion when i get back to the machine
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[23:13:02] <Danimal_garage|2> JT-Shop: doing my first full run in the new anodizing tank right now
[23:13:53] <Danimal_garage|2> running at 24a, we'll see how the chiller keeps up
[23:14:25] <JT-Shop> cool
[23:14:46] <Danimal_garage|2> hopefully litterally cool
[23:15:27] <Danimal_garage|2> i made a bunch of ti clips for it
[23:20:55] <skunkKandT> heh - just bored a hole with a 8-1 metric tap. oops
[23:21:12] <skunkKandT> (wrong program)
[23:22:38] <tom3p> there were these cool TI chips to embed into toolholder, identifying the tool, program, coolant , rpm, favorite color. shoe size... the idea never took off
[23:23:01] <skunkKandT> I hit escape right when I notice the spindle was going too fast and it still went .3" into the part
[23:23:33] <skunkKandT> Tap seems ok though ;)
[23:24:13] <syyl> seems to be a good tap ;)
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[23:28:44] <tom3p> this robot was in new automation magazine http://www.youtube.com/watch?v=s8yMFdPD68c (upside down puma goes bowling )
[23:37:24] <andypugh> tom3p: skunkKandT Has barcodes on the tool. I don't think he can blame the machine :-)
[23:39:10] <Danimal_garage|2> he's got a barcode system for his toolchanger?
[23:39:20] <Danimal_garage|2> badass
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[23:39:53] <tom3p> andypugh, really? with a reader? i played with programming tools instead of paths once ( the tool knew what it had to do rather than some master program grabbing tools )
[23:40:25] <andypugh> 1964 barcode reader. Microswitches
[23:40:26] <skunkKandT> mechanical barcodes
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[23:42:02] <skunkKandT> tom3p: http://youtu.be/4nuRea6615s
[23:43:34] <tom3p> oh, the steel bars encoding and roller switches reading, like encoder encoding, like the big mazak wheel
[23:44:26] <tom3p> really nice video
[23:44:31] <skunkKandT> Thanks
[23:44:35] <tom3p> edited on ubunt?
[23:44:39] <tom3p> u
[23:44:40] <skunkKandT> no editing
[23:44:50] <skunkKandT> one shot
[23:45:05] <elmo40> skunkKandT: what is 'too fast' for tapping?
[23:45:06] <skunkKandT> I don't know if I would have the patience for editing..
[23:45:07] <tom3p> magic balloon text?
[23:46:05] <skunkKandT> tom3p: youtube lets you add balloons
[23:46:11] * JT-Shop should be doing something important for all man kind but does not feel inspired to do anything :/
[23:46:13] <tom3p> ah cool
[23:46:27] <elmo40> ah, I see. wrong program ;) so the tap became a drill, eh?
[23:46:38] <skunkKandT> elmo40: mill to be exact..
[23:49:16] <skunkKandT> tom3p: http://youtu.be/KplU8hkI0AQ
[23:50:04] <JT-Shop> ginormas mill to be precise
[23:51:19] <tom3p> that is just a beautiful mechanism
[23:51:37] <skunkKandT> I have recently been using it - has not failed once yet.
[23:51:43] <tom3p> ( its the Navigator from Dune ;)
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[23:59:40] <tom3p> http://bit.ly/spQilM slide the time thumb up to 2:40 to see the K&T
[23:59:59] <tom3p> ;)