#emc | Logs for 2009-04-21

[00:11:08] <gh0st> anyone here use Retrospect?
[00:11:14] <gh0st> how do i set tapes to recycle?
[00:11:56] <jmkasunich> wrong channel - this is EMC the machine tool controller, not the storage solution
[00:12:01] <jmkasunich> (sorry)
[00:39:42] <eric_unterhause1> my daughter dropped her phone outside the grocery, and someone took it
[00:39:54] <eric_unterhause1> "I don't speak much english"
[00:50:51] <eric_unterhause1> you'd think a foreign student could speak english at least well enough to have a conversation about a phone he found
[01:23:15] <JymmmEMC> cradek: Do you remember the name of that uC thingy we chatted about that has a white box and runs linux?
[01:24:19] <eric_unterhause1> beagle board?
[01:24:38] <JymmmEMC> no, this actually runs linux
[01:24:51] <eric_unterhause1> beagle doesn't?
[01:28:11] <fenn> marvel 'plug' computer?
[01:28:55] <eric_unterhause1> that looks cool
[01:29:16] <eric_unterhause1> I'm always worried about a company that doesn't put a picture of something like that on the first page you get to
[01:29:59] <fenn> beagle runs linux, fwiw
[01:30:00] <eric_unterhause1> how about a pogoplug
[01:30:08] <eric_unterhause1> fenn: I know it does
[01:30:26] <fenn> those plug thingies should have more USB ports
[01:30:33] <eric_unterhause1> the only downside is it needs wireless
[01:31:11] <dareposte> hi all!
[01:31:27] <jmkasunich> my name isn't "all" !
[01:32:10] <eric_unterhause1> ya'll?
[01:32:33] <jmkasunich> well, I'm originally from around Pittsburgh, so you'ns would be more appropriate
[01:32:41] <toastyde3th> you'ns?
[01:32:53] <jmkasunich> pronounced "yuns"
[01:33:11] <eric_unterhause1> yuns freaks me out
[01:34:03] <eric_unterhause1> marvell needs to get a clue
[01:34:31] <eric_unterhause1> the picture on their web site doesn't indicate the scale of the computer
[01:34:51] <tomp> re cooling coolant, dont throw ice cubes in the bucket, throw the bucket into ice cubes ( to keep water out of coolant, put the coolant container inside an ice chest )
[01:35:11] <eric_unterhause1> what if it's water based coolant?
[01:35:27] <tomp> it's ratio would be changed on the fly
[01:35:28] <JymmmEMC> fenn: thank you
[01:37:58] <eric_unterhause1> TI should have put the beagle board in a box and added wireless, they'd be a giant company by now
[01:38:19] <eric_unterhause1> the power supply is a good idea too
[01:39:44] <fenn> amateurs
[01:40:18] <eric_unterhause1> they could put all that and a pico projector in a box and people would be beating down their door
[01:40:32] <fenn> yep
[01:40:49] <fenn> it still has a number of issues, which i don't really understand
[01:42:02] <JymmmEMC> jmkasunich: Somehow I bet when ya piss off the wifey, she has colorful new names for ya =)
[01:42:17] <fenn> like they aren't allowed to provide documentation for the 'PowerVR' 3D acceleration chunk that's on the silicon they fabbed..
[01:42:28] <fenn> so there's still no drivers for that
[01:42:29] <eric_unterhause1> nice
[01:45:03] <jmkasunich> JymmmEMC: that's a problem I don't have
[01:45:05] <eric_unterhause1> someday chip manufacturers will realize that is self-defeating and stop doing it.
[02:19:20] <JymmmEMC> jmkasunich: Oh, she's the silent-when-she's-pissed-but-dont-go-to-sleep causei she owns a cast iron skillet and knows how to use it kinda gal =)
[02:19:59] <jmkasunich> no, she's the ex-wife kinda gal
[02:20:23] <JymmmEMC> jmkasunich: Sorry, forgot, my bad.
[02:21:02] <jmkasunich> no prob
[03:01:48] <eric_unterhause1> anyone ever take a nameplate off of a machine? Tricks to removing those nail/rivets?
[03:04:43] <fenn> sharp chisel
[03:05:01] <fenn> or drill directly into the center of the rivet
[03:05:04] <cradek> seems like chisel or drill are the only options
[03:05:28] <fenn> sometimes the drill can get stuck and just spin the rivet forever
[03:05:28] <cradek> if you are lucky it won't spin when you drill, and the head will come off nicely
[03:06:24] <fenn> if it spins you might be able to use a center punch to make it stop
[03:07:38] <cradek> I'd use masking tape (actually I wouldn't ever bother repainting a machine)
[03:24:22] <eric_unterhause1> I probably shouldn't paint it, but it looks so horrible
[03:25:10] <eric_unterhause1> I felt compelled to take it apart anyway due to some issues with the gearbox
[03:51:00] <toastyde3th> toastyde3th is now known as toastydeath
[04:04:47] <tomp> teach.py imports emc, which is emc.py ( i think), where can i browse emc.py in the cvs tree?
[04:08:29] <eric_unterhause1> tomp, did you try locate?
[04:09:56] <tomp> good thought, but over the web? ( on a w$ box during lunch)
[04:10:34] <eric_unterhause1> I tried for you, but I only have pure-sim on this comp
[04:10:52] <tomp> thgx, im walking the cvs tree now
[04:10:55] <tomp> thx
[04:12:06] <tomp> any idea if its true that.. tthe imported file is a .py?
[04:12:33] <eric_unterhause1> dunno py at all
[04:14:34] <tomp> oh, found the web search tool, on root of emc project.. error: emc.py no such file or directory
[04:14:44] <tomp> ok, so ASSumption wrong
[04:15:26] <eric_unterhause1> kinda hard to search for just .py and just emc. too
[04:16:21] <tomp> maybe it's emc.in
[04:19:33] <tomp> haha "of course the extensiobn of tthe filename will be ignore,..."
[04:19:40] <tomp> of course!
[04:20:03] <eric_unterhause1> I hate that
[04:20:16] <eric_unterhause1> what is so hard about requiring exact file names?
[04:20:47] <tomp> i wonder how many emc.* files are on the system? ( i spose the correct one is retrieved due to some path )
[04:21:45] <eric_unterhause1> locate emc. finds a batch of chat logs
[04:26:25] <tomp> hmm, so i have a load of ffox tabs open, so i close the startpoint, the cvs text view of teach.py. whynot, i can us e thier search to find teach.py, right? WRONG 'error:teach.py: no such file or directory'
[04:27:37] <cradek> tomp: http://cvs.linuxcnc.org/cgi-bin/cvsweb.cgi/emc2/src/emc/usr_intf/axis/extensions/emcmodule.cc?rev=1.42
[04:28:06] <tomp> thx!
[04:28:49] <tomp> its a lib? ( some compiled binary )
[04:30:13] <cradek> m = Py_InitModule3("emc", emc_methods, "Interface to EMC");
[04:30:30] <cradek> it's a python module called emc. it is written in c++.
[04:30:41] <tomp> oh
[04:32:10] <tomp> got lots to learn, didnt know python was anything but interpreted scripts
[04:33:18] <cradek> it's common to write a program using a combination of python and c/c++
[04:35:00] <tomp> no complaints, didnt know there was such a mechanism.
[04:35:15] <tomp> feature
[04:35:50] <cradek> sometimes people write the part of a program that needs to be fast in C, or like in our case they want to use python to twiddle a C/C++ library like we do NML
[04:36:42] <tomp> thx, off to find 4n25 optos ( ah the cpp stuff was to commun wil NML )
[04:37:05] <cradek> yeah that's what 'import emc' lets you do
[04:37:20] <cradek> which is pretty slick - that's how AXIS works.
[04:37:59] <tomp> the little python i wrote, imported text file of python subs, so lotsta learn
[04:57:08] <fenn> cradek: do you know of a good intro to writing simple interfaces between c/python?
[06:01:10] <tomp> fenn fwiw http://starship.python.net/crew/mwh/toext/node9.html 'from c to python' 'from python to c'
[06:02:29] <tomp> tuples, so thats what van morrison was singing about
[06:02:39] <fenn> * fenn looks
[06:11:26] <fenn> thanks this looks like what i wanted
[06:23:52] <tomp> hey fenn across the street from the school of architecture is a store for students books etc, and they make these great donuts, like new orleans beneits ( ? spelling ) try 'em!
[06:24:14] <tomp> ( well 30 years ago ;)
[06:25:51] <tomp> beignets
[06:26:07] <tomp> ben yayz
[06:27:12] <fenn> i have no idea where the school of architecture is
[06:28:55] <JymmmEMC> fenn: It's across the street from the donut shop =)
[06:29:21] <fenn> oh
[06:29:24] <eric_unterhause1> fenn: look for the big ugly building
[06:29:24] <JymmmEMC> (sorry, couldn't resist)
[06:29:35] <fenn> maybe i'll go there and order a moebius donut
[06:29:55] <eric_unterhause1> I grew up in a college town, you can always tell the architecture prof's houses
[06:31:03] <JymmmEMC> what's the nix utility to add line numbers?
[06:31:03] <eric_unterhause1> and not in a "oh look at that great house" kinda way either
[06:32:27] <JymmmEMC> Ah, found it... nl
[06:52:28] <fenn_> fenn_ is now known as fenn
[07:34:46] <alex_joni> http://www.gamedesign.jp/flash/chatnoir/chatnoir.html
[07:54:04] <tom1> herding cats
[07:56:55] <fenn> i caught the cat but nothing happened..
[08:01:47] <JymmmEMC> Toss pea pods, carrot sticks, bean sprouts on wok with hot oil, toss in hoison sauce and diced cat. Tastes just like chicken!
[08:02:48] <fenn> seems like there should be an open source version based on oneko
[08:28:28] <JymmmEMC> seems the trick is to stay 2 or 3 dots ahead of the cat
[08:29:44] <fenn> yeah, reminds me of 'go'
[08:29:57] <fenn> no big surprise, since it's .jp
[08:50:20] <fenn_> fenn_ is now known as fenn
[10:03:18] <alex_joni> yay, LiveCD seems to be working ok
[10:22:08] <JymmmEMC> WooHoo
[10:23:22] <JymmmEMC> alex_joni: You should get VMWare so you can prelim test ISO's
[10:36:55] <tom1> nice alex
[10:39:09] <piasdom> g'mornin all
[10:58:37] <alex_joni> JymmmEMC: I did.. but that doesn't quite cover a physical test
[10:58:52] <alex_joni> btw, did you try portable ubuntu?
[11:00:25] <_justa_> on a laptop ? :)
[11:10:38] <alex_joni> no, on a doze
[13:03:40] <Optic> mooo
[13:32:41] <skunkworks> tomp: how did the usb drive work?
[13:33:48] <skunkworks> (with persistence)
[13:35:44] <tomp> skunkworks: it worked and aint very persistant :( it remembered i added 2 more panels, but didnt remember tcpip settings among other things
[13:36:32] <tomp> its enuf to hand out a couple demos of emc, but would require more work to get it stickyfied
[13:37:05] <skunkworks> ah - I had made a persistant usb drive - but don't think I ever tested it.
[13:51:02] <tomp> jack palance , zero mostel, david witmark in a move about the us health service tracking down the plague
[13:51:10] <tomp> try mplayer -vo gl2 http://radiocommando.com:8000;stream.nsv
[14:18:54] <tomp> so the battery went out on this laptop after it finished burning a cd, but before brasero ran the integrity check. how can i compare a cd to an .iso file ( what i figger the integrity check does )
[14:21:31] <MrSunshine> tomp, just md5 them
[14:21:38] <MrSunshine> an ISO is a perfect replica of the cd
[14:21:48] <MrSunshine> track for track byte for byte
[14:21:51] <MrSunshine> so they will be identical
[14:22:26] <tomp> ah, brasero lets you do it after the fact... but its just and md5 sum, and i got nothing to compare it to... rebuild the image & reburn or,,, have faith.
[14:23:37] <MrSunshine> do you think that its best to make a hw chopper, PWM current level control then feed the output into the uC running it all to chopp the lines or should i chopp say the enable line? .. read somewhere i cannot chopp the eneble line on a L298 cause then the current sense resistor wont work ?
[14:23:46] <tomp> oh, thx, make an md5 of the cd and one of the .iso, gotcha, thx
[14:24:32] <tomp> L298 is a chopper itself isnt it? ( or is that the 297 ) ?
[14:24:47] <MrSunshine> its 297
[14:25:00] <MrSunshine> L298 is jut the H-bridge
[14:25:03] <tomp> use the 297, less expensive than 1 days work
[14:25:10] <MrSunshine> only half stepping :)
[14:25:16] <MrSunshine> and i do not learn :)
[14:25:26] <MrSunshine> i value experience and knowledge higher then money :)
[14:29:31] <tomp> yes, i thought it went to more divisions, but is only full & half... you want to sense current and chop the pwm? what is the current the analog of, the load?
[14:30:48] <MrSunshine> how high the charging of the coils have come
[14:30:52] <MrSunshine> for current limiting
[14:30:57] <MrSunshine> i sense the voltage
[14:31:08] <MrSunshine> and when it reaches a threashold i cut the line, let it fall, then turn it back on
[14:31:15] <Valen> tomp what you using to do the streaming?
[14:33:27] <tomp> i read streams with mplayer
[14:33:44] <MrSunshine> i PWM the threashold voltage to an opamp or a comparator, when the voltage over the current sense resistor reaches the voltage of the thresahold i get 5V on the out, so i cut the line, let it fall until the line goes 0V again, then and let it start over
[14:33:57] <Valen> ahh, i'm playing about with getting dvb multicast streaming working for another application
[14:34:05] <tomp> MrSunshine: i'm reading how a pic is used with 297 and 298, what they enable/disable..
[14:34:20] <tomp> ooh, dvb, drool
[14:34:51] <Valen> its just digital TV lol
[14:36:51] <tomp> not in usa, you cant get the cable or the satellite for dvb
[14:36:57] <tomp> its a euro thing
[14:37:12] <Valen> australia isnt euro ;--P
[14:37:13] <alSMT_> jepler: thanks for get back to me on "distance-to go"?
[14:37:30] <tomp> ooh its an ozzy thing
[14:37:33] <tomp> ;)
[14:37:37] <Valen> you have free to air television though right?
[14:37:41] <Valen> with an antenna
[14:38:12] <tomp> yep thats what i use at home in chicago, not many people do anymore
[14:38:14] <MrSunshine> tomp, but im not using 297 :)
[14:38:21] <MrSunshine> i use the AVR to control the h-bridge
[14:38:34] <MrSunshine> but i want hardware chopping so i dont have to use ADC
[14:38:48] <tomp> MrSunshine: i know, i was wondering how this guy did it tho, maybe it would reveal how to do it w/o 297
[14:38:54] <MrSunshine> if i could pulse the enable line for each bridge, i could get away with chopping not even using the uC at all
[14:38:57] <Valen> this comes over the free to air system
[14:38:59] <_justa_> Anyone into electronics-design who can help me with a question about ESR in caps ? (specifically, if I replace a 10V-rated cap with a 16V rated cap of same capacity and manufacterer/type, will it effect ESR at voltage actually used either negatively or positively ?
[14:39:23] <_justa_> (aka: will it hurt (much) for the ESR if i stick in a higher U-rated cap for a blown one)
[14:39:34] <Valen> ESR is pretty unrelated to most other specs
[14:39:36] <archivist> _justa_, probably not enough to worry about
[14:39:40] <Valen> whats the app?
[14:39:45] <MrSunshine> but if its not posible to sense it when using enable/disable, and i dont know why it wouldnt i have to channel it into the uC or put some kind of switch .. on one of the input lines
[14:39:46] <tomp> Valen: and the pc card has an rg59 connector?
[14:39:58] <MrSunshine> tomp, have a link to the page you read on ?
[14:40:06] <_justa_> Valen: standard PC onboard SMPS-arrangement for (i think) chipset-voltage
[14:40:11] <Valen> tomp: has a coax connector, nfi what type it is ;->
[14:40:15] <MrSunshine> so far ive got a chopper working but only in EWB :)
[14:40:20] <Valen> should be fine _justa_
[14:40:24] <_justa_> righto.
[14:40:28] <MrSunshine> do not know how it would react on real life testing
[14:40:50] <_justa_> Thanks for the info/help.
[14:40:56] <Valen> you may want to avoid too low an ESR cap
[14:40:57] <MrSunshine> btw, a chopper does it ONLY limit the current or does it limit the voltage also ?
[14:41:02] <Valen> some SMPSU's dont like it
[14:41:12] <MrSunshine> as its pulsed i guess the avarage voltage will be quite low
[14:41:22] <MrSunshine> when it finaly reaches the current it should have
[14:41:24] <_justa_> Valen: hmmm.. relying on a cap's ESR to avoid some oscillation or spiking ?
[14:41:34] <tomp> Valen: http://mech.vub.ac.be/teaching/info/mechatronica/finished_projects_2005/PICROCK/Technical.htm
[14:41:35] <Valen> its a turn on thing
[14:41:57] <Valen> when it first powers up it can have issues charging the cap before blowing something up
[14:41:57] <tomp> oops thats for MrSunshine, sorry
[14:42:13] <Valen> and some others can have issues with oscilation etc
[14:42:32] <Valen> its not so much relying on as it needs to be at least some value.
[14:42:49] <Valen> but unless the cap you are replacing is a low ESR cap then there shouldn't be much fuss
[14:43:07] <tomp> Valen: got a card model? ( with coax connector )
[14:43:16] <Valen> umm all of them here lol
[14:43:22] <Valen> dvb-t
[14:43:44] <Valen> dunno how it goes with your encodings but the chatter on the mythtv forums seems to indicate it works
[14:43:54] <_justa_> Valen: I'll check if I can figure out which particular cap-series this one is and see if I can replace it with anything 'in the same range'
[14:43:59] <tomp> ok, an acronym i've come across, thx
[14:44:08] <Valen> wouldn't worry about it too much
[14:44:18] <Valen> the -t stands for "terrestrial" tomp
[14:44:28] <_justa_> it's a good 1MF; nice bit of current there.
[14:44:46] <tomp> cool, have they got a dvb-extraterrestrial?
[14:44:50] <MrSunshine> tomp, nah he uses the L297 straight of so he is limited to half stepping
[14:45:07] <Valen> -s for satellite and prolly -c for cable, but we cant get that here, there is too much encryption and they don't trust us not to pirate it if they give us a way to get it legally
[14:45:31] <tomp> right, but how did he chop it? when the Vref is < than the sensed voltage, i think that may be of use
[14:45:44] <Valen> _justa_ whats the capacity? 1 mega farad is rather a lot of capacatance
[14:45:48] <MrSunshine> tomp, L297 is a chopper
[14:45:53] <tomp> right
[14:46:02] <MrSunshine> the sense goes into the L297 and it does the work
[14:46:32] <tomp> yes and you want a scheme that does not use a 297, but dotn throw the idea of how and when away when you throw the chip away
[14:49:43] <tomp> Valen: in USA you drive across the Canadian border out of Detroit, into Windsor Ontario, stop at 'Pirate TV' and get all your satellite decoders with auto programming ;) big store
[14:49:51] <MrSunshine> ahh there it said in the L297 datasheet, that the lines going out of L297 INH1/2 is used for chopping, they go into the ENA/B on the L298 :)
[14:49:55] <MrSunshine> so mystery solved =)
[14:50:04] <MrSunshine> i can use a full HW powered chopper if i like =)
[14:50:20] <tomp> cool, inhibit sounds like it
[14:50:39] <Valen> the new encoders they are using for satellite here for decent channels hasnt been broken yet
[14:50:46] <Valen> as far as i'm aware anyway
[14:50:58] <MrSunshine> so i can go the lines directly to ENABLE if i like :)
[14:51:04] <tomp> yeh, an on going battle. the cracker are pretty clever
[14:51:09] <MrSunshine> only problem is, what will happend if there isnt a PWM pulse comming from the AVR
[14:51:18] <MrSunshine> will it go as high as it can and burn out, or will it not go anywhere :P
[14:52:30] <JymmmEMC> tomp: Valen could always stream it to ya - http://www.ustream.tv/
[14:53:00] <Valen> ;->
[14:55:15] <tomp> MrSunshine: i dont see a problem "TTL Compatible Enable Input: the L state disables the bridge A (enable A) and/or the bridge B (enable B)."
[14:55:57] <tomp> a pull down resistor will be nice
[14:57:17] <tomp> and you can 'double up' the outputs ( use both bridges on one brushed dc motor )
[14:57:35] <Optic> mooo
[14:59:15] <tomp> wow, that uvstream looks good, anyone know a live stream for UK football? I cant get BBC stuff being out of the country
[15:00:22] <geo01005> MrSunshine, you could always us an allegro chip, like a A3983. Everything is built in.
[15:01:07] <geo01005> or a A3979
[15:03:41] <jepler> interesting, they've replaced 1/8 with 1/16 step in A3979 compared to A3977
[15:06:42] <geo01005> I figure the only downside to those chips is the thermal pad on the bottom.
[15:06:49] <geo01005> Hard to solder by hand.
[15:09:14] <tomp> MrSunshine: Allegro has lotsa nice chips but all seem too integrated, none seem to just do the control side, they want to be the driver also
[15:10:13] <tomp> 32 uSteps on the 3292
[15:10:40] <geo01005> A3986?
[15:12:56] <geo01005> The A3986 only has MOSFET gate drivers, external power stage.
[15:16:36] <tomp> geo01005: yep, i missed all the 'external' ones, looks like something for MrSunshine
[15:18:53] <tomp> "Motor power is provided by external N-channel power MOSFETs at supply voltages from 12 to 50 V."
[15:20:00] <geo01005> It even does the boot strap supply for the high side N channel fets :)
[15:22:22] <tomp> ok, thx again for the md5 idea, gnite!
[15:25:18] <skunkworks> Valen: I use a twinhan card.
[15:28:04] <skunkworks> geo01005: I think the a3986 sucks. from what I read. It doesn't microstep correctly.
[15:28:09] <Optic> moo
[15:29:33] <skunkworks> some light reading. http://www.cnczone.com/forums/showthread.php?t=24699
[16:15:52] <steves_logging> steves_logging is now known as steve_stallings
[16:25:32] <geo01005> Skunkworks: Look light your are right. If nothing else it would be a pain in but to solder. I have never used one.
[16:26:34] <geo01005> anybody tried these new geckodrives? G251 ?
[16:44:27] <steve_stallings> steve_stallings is now known as steves_logging
[17:26:16] <alex_joni> geo01005: I think SWPadnos has
[17:27:03] <geo01005> He is out of town now right?
[17:32:37] <geo01005> I'll have to ask him later.
[18:28:28] <MrSunshine> how does idle current reduction for steppers work ?
[18:34:06] <jepler> MrSunshine: badly
[18:35:18] <jepler> steppers should be run at full power anytime they need to hold position.
[18:38:33] <jepler> the usual current reduction system is basically a one-shot timer which is reset by any step pulse. when the timout passes, it modifies either the current sense or reference so that the chopper delivers lower current.
[18:39:02] <jepler> it's a bad idea in cutting applications because a cut can move only the Y axis (no steps on X during the whole cut), but it creates cutting forces which can push the X axis out of position
[18:40:02] <jepler> if current is adequate, X will hold position. If it's not, X loses position and because you have no feedback you've just ruined whatever you were cutting
[18:41:10] <MrSunshine> jepler, ye .. i figured about that :)
[18:42:10] <Guest395> hi
[18:42:17] <jepler> hello Guest395
[18:42:54] <alex_joni> hello
[18:43:20] <Guest395> can you tell me if the new 2.3.0 v ersion is totally compatible with the 2.2.7 anm mesa m5i20 ?
[18:43:47] <alex_joni> depends what you understand with totally compatible
[18:43:57] <Guest395> excuse me.my name is Alessandro
[18:44:14] <alex_joni> if you're using the m5i20 driver in 2.2.7, then you probably get the same functionality (5i20-wise) if you do the same with 2.3.0
[18:44:21] <jepler> This page describes the incompatible differences between 2.2.7 and 2.3.0: http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?UPDATING
[18:44:55] <jepler> items 1.1, 1.2, and 1.3 may require your attention.
[18:45:17] <jepler> 1.4, 1.5, and 1.6 affect many fewer users
[18:45:36] <alex_joni> probably not 1.3
[18:47:37] <MrSunshine> jepler, the idle current limiting must work bad for more stuff also, some percentages of current is quite low sometimes, if you want to reduce the current by say 50% .. how do you do that when coil1 only has 7.8% current flowing in it? :P
[18:47:45] <MrSunshine> seems like a stupid system :)
[18:49:21] <geo01005> If anybody is interested here is a quick blog of my SPI reprap heater:http://geo01005-ideas.blogspot.com/2009/04/extruder-tempuratue-control.html
[18:50:13] <Guest395> i'm using the hal_m5i20. Must i replace it with the new hostmot2 driver?
[18:50:56] <BJT-Work> I don't think you "have to" but you might want to
[18:51:33] <alex_joni> Guest395: not in 2.3.x
[18:51:52] <alex_joni> it will probably be dropped for 2.4.x, but in 2.3.x you can still use it
[18:53:04] <Guest395> so, if i update the system to 2.3.0 , i must not replace anything ant the old program running ?
[18:53:20] <alex_joni> Guest395: that's how it should be :)
[18:54:22] <Guest395> ok thank's to all
[18:54:35] <alex_joni> Guest395: if it doesn't work, you can always switch back
[18:54:52] <alex_joni> make sure you backup your config though
[18:56:56] <alex_joni> sudo rm extract-cd/casper/filesystem.squashfs
[18:56:56] <alex_joni> sudo mksquashfs edit extract-cd/casper/filesystem.squashfs -nolzma
[18:57:03] <alex_joni> err.. sorry :)
[18:57:29] <Guest395> if it doesn't work, it will be a problem
[18:59:29] <BJT-Work> oh boy my new $165 water pump pulley came in... I bet I don't break this one :/
[18:59:54] <Guest395> good night.........
[18:59:55] <archivist> if you do, make another!
[19:10:46] <BJT-Work> don't think I can make another one for $165 it is a casting with very little machining on it
[19:11:06] <BJT-Work> they have plenty in stock... I wonder why
[19:11:40] <archivist> a regular breakage from "mechanics"
[19:11:44] <alex_joni> err.. because they keep breaking?
[19:15:12] <BJT-Work> it is pressed on the water pump shaft and it breaks if you try and press it off :/
[19:16:04] <archivist> a lot of stuff is designed for assembly only
[19:18:39] <BJT-Work> this was designed in the early 50's
[19:19:24] <archivist> they were just learning one way back then, I have a clock here to repair
[19:20:16] <archivist> Smiths electric clock mid 50's bent tabs and press fits
[19:39:03] <BJT-Work> * BJT-Work is off to play with the tractor
[19:55:21] <maddash> freakin' machines
[19:55:31] <maddash> they're going to take over the world
[19:56:16] <Dallur> we have already taken over
[19:56:22] <Dallur> just ask ChanServ
[19:57:10] <alex_joni> and logger_emc
[21:50:43] <fenn_> fenn_ is now known as fenn
[22:18:47] <watchman> Hi,I'm trying to play with EMC2.3.0 but I've hit a snag... It's installed on a computer which isn't connected to anything so isn't causing any mayhem in the workshop but I can't get started on running any simulated jobs because I can't home the X-axis. When I fired up EMC2.3.0 with my previous machine ini file, all the axes initially read 0 however, when I hit the home button for the X-axis, it started to increment up and is now well ov
[22:19:14] <cradek> what config are you running? it is looking for a home switch and never finding it.
[22:19:37] <cradek> you can change the homing velocities to zero to tell it not to do that
[22:22:39] <watchman> Its a slight variant of the standard stepper mmx4ax - all homes are set to 0 as are all the instances of 'HOME_IS_SHARED'
[22:24:02] <cradek> homing velocities, not homes
[22:24:28] <cradek> http://linuxcnc.org/docs/2.3/html/config_ini_homing.html
[22:25:02] <cradek> as you can see from the table you want homing type "none" if you have neither switch nor index
[22:25:17] <watchman> OK, what I was trying to say is that the ini file should not be looking for home switches - I have never used them on my machine.
[22:25:32] <watchman> OK thanks, I'll look up that reference
[22:26:16] <cradek> seems like it must have a nonzero homing velocity though.
[22:34:48] <watchman> OK, that's fixed it thanks - one of the axes had a non-zero velocity in - don't know why although it had never upset things before and I've been running this ini file for over a year.
[22:36:05] <watchman> One other thing - can you remind me please where I can change or remove the EMC2 AXIS cutting file that comes up in the initial AXIS window? Thanks
[22:44:31] <cradek> hm, I can't find it in the help
[22:44:46] <cradek> I think there's a way to set the splash screen in the ini, but maybe not.
[22:49:43] <watchman> No, I couldn't find anything about it - it seems it opens a file axis.ngc in /usr/shares/axis/images. I wonder what might happen if I just delete that.... I can't see any possible place in the ini file to specify any different behaviour
[22:52:11] <cradek> [DISPLAY]OPEN_FILE
[22:52:32] <cradek> it's only "documented" in the source that I can see
[22:55:37] <watchman> I renamed that file and deleted the original - now AXIS starts up with just a simple display of the axes and everything seems to work oK