#linuxcnc | Logs for 2018-12-05

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[00:15:03] <roycroft> but it is very gasoline and alchol resistant
[00:15:13] <roycroft> alcohol
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[02:58:43] <Deejay> moin
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[03:50:19] <Blumax> Helllo
[03:51:40] <Blumax> I have a small problem with LinuxCNC, when I use the num pad, by moment if I ask a displacement (on all the axes) the movement does not stop, its continues until the limit. A solution to that ?
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[05:26:54] <Jin^eLD> morning
[05:27:02] <XXCoder> yo
[05:40:18] <jthornton> morning
[05:40:25] <XXCoder> yo
[05:41:19] <XXCoder> https://reason.com
[05:41:28] <XXCoder> 26 pages, brownies can last 10 years lol
[05:44:40] <MarcelineVQ> that's the power of butter
[05:46:09] <MarcelineVQ> wait what, there's no water or fat in this recipe... pass
[05:46:14] <XXCoder> i searched "needs repair" on ebay and dang theres so many watches. wonmder why
[05:46:50] <XXCoder> it should last 10 years so yeah fat decays. thought I saw fat in it though
[05:47:46] <MarcelineVQ> I think there's vital information missing from the section 3.3.1
[05:48:13] <MarcelineVQ> because this thing mentions water at the top but there's no water in the instructions.
[05:48:44] <XXCoder> it should specify water quality and requirement
[05:48:49] <XXCoder> page 7 and 8 has recipe
[05:49:20] <MarcelineVQ> Ah there is shortening, vastly inferior to butter in baking :X shortening for flaking your pastry. Oh there's a pdf? I was just going by this article's interpretation
[05:49:51] <XXCoder> yeah its there
[05:50:08] <XXCoder> suggest take a look because its interesting to see goverment requirements
[05:50:25] <XXCoder> makes sense since if it dont specify company will make shitty product. like add sawdust
[05:52:32] <MarcelineVQ> hey now, cellulose is good for you isn't it :>
[05:52:49] <XXCoder> oh didnt know you was terminiyte
[05:52:54] <XXCoder> sorry
[05:53:30] <MarcelineVQ> all is forgiven
[05:53:44] <XXCoder> lol
[05:54:28] <XXCoder> anyway I bet while shortening sucks it allows miliary soldiers to have brownies when fighting
[05:54:40] <XXCoder> something besides same old MREs
[05:55:02] <MarcelineVQ> mostly it's just that butter is more expensive while performing a similar function, minus some flavour
[05:55:54] <MarcelineVQ> dunno though, if I wanted to remind a soldier what they're fighting for I'd feed them some tasy motherfucking brownies
[05:56:12] <XXCoder> remember everything is relivive
[05:56:22] <jthornton> I sent them bacon flavored popcorn and other things
[05:56:24] <XXCoder> those brownies would be damn tasty
[05:58:47] <jthornton> how do I find out what version of libdrm I have on the raspberry pi?
[06:00:10] <jthornton> I get this error MESA-LOADER: failed to retrieve device and internet suggests it's the version of libdrm...
[06:00:42] <XXCoder> you have syapastic on your pi?
[06:01:00] <Tom_L> morning
[06:01:04] <XXCoder> synaptic
[06:01:05] <jthornton> installing it now
[06:01:06] <XXCoder> hey
[06:01:11] <jthornton> morning
[06:01:24] <Tom_L> who's makin brownies???
[06:01:34] <XXCoder> not me, in least not 26 page recipe one lol
[06:01:48] <jthornton> 31°F clear
[06:01:49] <Tom_L> 21�F Hi 51
[06:02:01] <XXCoder> 28f clear
[06:02:54] <jthornton> high 45°F
[06:03:26] <XXCoder> 40f clea rhigh
[06:06:12] <Tom_L> they were salting the roads last evening but it's clear so who knows wtf they were up to
[06:06:47] <XXCoder> clear sky can make road pretty slippy if there was enough humdity in air
[06:07:03] <XXCoder> we dont use salt here but antiice chemical not too sure what ut us
[06:07:05] <XXCoder> it is
[06:07:18] <Tom_L> both here, just depends where it's at
[06:07:30] <Tom_L> brine
[06:10:04] <XXCoder> cool
[06:10:12] <XXCoder> fewer older cars there eh
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[06:15:30] <jthornton> chickens get up at 5:17 this morning...
[06:20:10] <jthornton> I wonder when romaine lettuce will be back on the market?
[06:20:19] <XXCoder> dunno
[06:20:34] <XXCoder> last time I read it was down to few states and brands
[06:20:56] <jthornton> we still don't have any on the shelves at the store
[06:21:32] <XXCoder> i dont buy em so unno if back in here. yours might be one of those few states that is in list still
[06:22:40] <jthornton> what list?
[06:22:53] <XXCoder> of states that might have problem
[06:23:14] <jthornton> no sick people in Missouri
[06:23:35] <jthornton> https://www.cdc.gov
[06:23:36] <XXCoder> would be sad uif romaine is gone forever
[06:23:40] <XXCoder> no more 7 layer salad
[06:23:53] <XXCoder> interesting
[06:24:27] <XXCoder> sad that they wont pass water quality test laws for farmers
[06:24:31] <jthornton> https://www.ydr.com
[06:24:33] <XXCoder> prevent ecoli outbreaks
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[06:43:47] <Loetmichel> *GNAH*... slowly but surely it gets on my nerves... now not only screwdrivers and pliers "vaporize", but also the batterys of the (private) battery drill... i am sitting here with a lapb psu and crocodile clamp cables tacked onto the battery drill doing countersinks in plastic... it is HIGH time that all the new workers here get their own tools...
[06:44:25] <XXCoder> jeez
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[06:57:02] <weenerdog> howdy
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[07:02:29] <jthornton> morning
[07:02:56] <Deejay> hey there
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[07:05:50] <rmu> jthornton: dpkg -s <packagename> e.g. libdrm2
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[07:13:16] <jthornton> hmm this page suggests the error is from having an old libdrm but I have 2.4.74-1 https://www.raspberrypi.org
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[07:15:53] <rmu> jthornton: are you sure this message indicates a problem? the forum page says this message is just an annoyance
[07:15:59] <jthornton> just running the simple.py on the RPi gives me the MESA-LOADER error http://zetcode.com
[07:16:13] <jthornton> and they are correct it is annoying!
[07:17:15] <rmu> IIRC qt on rpi is built with opengles, not opengl. not sure that matters.
[07:18:58] <rmu> it matters if you want to try qtvcp on the pi, the backplot will not work
[07:20:45] <jthornton> I'm just programming a chicken coop automation thing with a 7" touch screen so I'll just back down to pyqt4
[07:21:22] <weenerdog> whatchya making the coop do?
[07:22:07] <weenerdog> egg gathering hexapod robot? 12 axis chicken plucker?
[07:22:48] <jthornton> https://paste.ubuntu.com
[07:23:11] <jthornton> control the pop door and lights
[07:24:56] <weenerdog> cool
[07:28:54] <weenerdog> i gotta eventually figure out a sun tracker for solar heat collectors. this house is loaded for bear for solar. previous owner put in an outdoor wood furnace.
[07:29:47] <weenerdog> which is not so cool. you cant cut wood fast enough to run it. but it has lines run down to house, heat exchanger, ducts, everything. all i have to do for solar heat is the fun, sciency part.
[07:30:33] <weenerdog> and i'm on top of the mountain so i get light from sunrise to sunset
[07:31:39] <jthornton> cool
[07:32:09] <jthornton> I heat my 30' x 50' x 12' shop with a couple of sticks of wood a day
[07:32:30] <jthornton> also heat the machine shop and garage with a few sticks of wood a day
[07:32:47] <jthornton> LOTS of insulation lol
[07:32:48] <weenerdog> i do about 6 sticks a day in the house
[07:33:09] <gregcnc> how much insulation in the walls?
[07:33:12] <XXCoder> my room needs insulation!
[07:33:12] <weenerdog> but my dad is old and stays with me so i keep it pretty toasty
[07:34:01] <weenerdog> not much but its brick. i have bunches in the attic.
[07:34:07] <jthornton> the big shop has 8" in the walls and 6" in the roof
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[07:34:41] <jthornton> I put 3.5" in the house attic then covered that with 12" unfaced
[07:34:56] <gregcnc> 8" wall is significant
[07:35:03] <jthornton> before adding the 12" I would burn more than one tank of propane every winter
[07:35:35] <jthornton> yea the whole shop is wrapped in 2" insulation on the outside under the tin and 6" inside everywhere
[07:35:44] <jthornton> then OSB on the walls
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[07:43:54] <rmu> weenerdog: get photovoltaic and a heat pump
[07:44:03] <jthornton> yea got the stolen pc going with linux mint 18.3 and linuxcnc with decent latency... time to swap them out with this slow one and put the slow one back where the other one was as a server
[07:44:51] <rmu> weenerdog: better investment, you can use electricity in summer, but you don't use thermal solar in summer (much)
[07:45:33] <weenerdog> it doesn't get hot enough here to run anything in summer. the high at my house in 2018 was 82f
[07:46:35] <rmu> je ne comprend pas
[07:46:56] <weenerdog> rmu : i wear sweaters a fair amount in summertime in the evenings here
[07:47:01] <weenerdog> inside
[07:48:44] <rmu> so it is not hot enough to be running what?
[07:50:01] <weenerdog> i wouldn't use a heat pump in the summer
[07:50:13] <rmu> wha not
[07:50:15] <rmu> why not
[07:50:24] <weenerdog> because it is not hot here
[07:50:43] <rmu> what does that have to do with anythin
[07:51:00] <weenerdog> i must have misread
[07:51:03] <rmu> i'm heating 600m² with a 15kW (?) unit year round
[07:51:58] <weenerdog> thats a castle lol
[07:52:28] <rmu> cost in electricity would be in american pesos about 3000 per year
[07:54:35] <rmu> heat pumps extract the energy mostly from latent heat in vapor (condensing and sometimes freezing it)
[07:55:52] <rmu> with extremely dry cold air it doesn't work efficiently
[07:57:02] <rmu> there are other systems that need a buried heat exchanger that use more or less geothermal heat or heat in ground-water, but those are more expensive and prone to "issues"
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[08:08:36] <Loetmichel> ahh, found the culprit that took my battery drill battery.. "mine was empty, so i put it on the charger and you were not at your desk so i thought you dont need it." ... thanks a lot...
[08:10:05] <XXCoder> what the heck
[08:10:29] <XXCoder> people who think its fine to grab other people stuff suck
[08:17:41] <weenerdog> take a battery apart and shoehorn the largest 110v capacitor you can inside and charge it up :)
[08:18:01] <weenerdog> next time he does it, release the magic smoke from his drill
[08:18:04] <XXCoder> have you heard of usbkiller?
[08:18:11] <weenerdog> ja
[08:18:14] <XXCoder> similiar thing but for usb
[08:19:07] <weenerdog> unless he touches the contacts carrying it. then problem really solved
[08:19:31] <XXCoder> too much of a revenge
[08:19:52] <jthornton> I'm happy with the latency of the pc I stole from the garage < 25,000
[08:21:22] <XXCoder> nice
[08:23:40] <weenerdog> i need to test the pc i want to use
[08:25:35] <jthornton> just boot from the livecd or dvd as it is now and run the latency test
[08:26:09] <jthornton> for pci, pcie, and ethernet cards run the latency-histogram without the base thread
[08:26:55] <weenerdog> i'm reading at linuxcnc trying to figure out what sort of interface to chase down.
[08:27:04] <XXCoder> big 2 to improve latency is kill off power management and have any decent gamer card or formerly decent
[08:27:07] <XXCoder> video card
[08:28:04] <weenerdog> the computer i'm thinking of using has a @ 10 year old geforce card in it
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[08:30:38] <jthornton> all mine use the onboard video with no problems
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[08:35:07] <XXCoder> yeah it really depends on model
[08:35:12] <XXCoder> weenerdog: should be fine
[08:35:22] <XXCoder> jt some types really hit the cpu
[08:35:30] <XXCoder> ints would hurt latency
[08:54:31] <JT-Shop> well the feral cat found the food I put out last night I hope it was the cat
[08:56:15] * JT-Shop needs a good mouser near the wood pile
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[09:13:57] <jthornton> wow egg production quadrupled since yesterday!
[09:37:51] <jesseg> oh, did she lay a 4-yoke egg?
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[09:39:20] <JT-Shop> actually I got 5 times the production today, 1 yesterday and 5 today
[09:54:27] <JT-Shop> well my ups package left doraville ga again lol
[09:57:31] <JT-Shop> you gotta love it when ups trips over the sign saying not to leave packages on the deck to leave a 3k package on the deck all night...
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[10:18:46] <jesseg> lol
[10:18:54] <pcw_home> better than Amazon that leaves packages in the bushes
[10:19:44] <cradek> JT-Shop: a PO box is good for receiving stuff securely
[10:20:26] <cradek> you don't need a huge one - if it's too big they put the note in there
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[10:23:37] <JT-Shop> they are usually pretty good except when a new driver delivers lol
[10:25:17] <JT-Shop> amazon delivers itself?
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[10:40:37] <skunkworks> cradek: agreed - we do a po box and it is nice. You just have to go to the post office every so often :)
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[10:41:37] <cradek> yeah that's the tradeoff, and if something doesn't fit in the box you have to go during business hours
[10:41:57] <cradek> (I like having 24 hour access to shipping and pickups otherwise)
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[10:58:33] <weenerdog> starting to understand what i need in terms of getting stepper motors to chooch w/ parallel port
[11:05:13] <weenerdog> what do you do, wire your limit switches inline in the output power of the stepper controllers?
[11:07:18] <cradek> no, you hook them to the computer so linuxcnc can be smart about limits
[11:09:01] <weenerdog> ah. thank you.
[11:09:33] <roycroft> my post office has parcel lockers, so most of my large parcels get stuck in a locker and a key put in my p.o. box
[11:09:46] <roycroft> they just added another 40 lockers this year
[11:10:46] <roycroft> i almost never have to deal with a postal worker any more, other than for packages that need a signature, and when things are really busy, like this time of year
[11:21:03] <cradek> roycroft: I've had that happen a few times too, it's kinda random what happens :-/
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[12:18:19] <fragalot> hey
[12:19:15] <ziper> https://www.youtube.com
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[12:35:20] <Rab> ziper, great band, seen many times.
[12:39:33] <ziper> Rab, any recently?
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[12:40:39] <Rab> ziper, negative, probably been 15 years.
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[13:03:26] <jthornton> how can I chown a hard drive? I have some old hard drives that still have the os on them as root
[13:04:31] <pcw_home> just re-install over the old OS
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[13:05:14] <pcw_home> re-partitioning trumps chown
[13:09:59] <jthornton> I need to copy a bunch of files off them and wanted to use one as a backup disk
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[13:42:31] <pcw_home> installing a new OS should give you the option of saving your existing file system ( I did this when upgrading from Ubuntu 16.04-32bit to Ubuntu 18.04-64bit on this PC )
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[13:43:25] <pcw_home> only painful stuff was installed binaries in my home dir
[13:44:47] <pcw_home> you could also install the new OS on a blank/dont-care drive and the add the old drive with valuable data as the second SATA drive to copy from
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[14:10:42] <jthornton> sudo chown -R username:username /partition/mount-point works after you find the mount point
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[14:39:58] <FinboySlick> with the caveat that you probably don't want to run jthornton's command if you expect that drive to still boot the OS.
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[15:11:56] <jthornton> it's just a storage drive and the OS will be removed
[15:12:36] <FinboySlick> Yeah, just pointing it out to make sure.
[15:12:43] <jthornton> curious to see what happens when I reboot lol
[15:13:17] <FinboySlick> Depending on what you chowned it with, it'll probably throw lots of permission denied errors. Though it might still work.
[15:14:03] <jthornton> what do you mean by still work?
[15:14:41] <FinboySlick> Well, it might still boot. I'm not sure how it'll cope with things like /etc/shadow not being owned by root though.
[15:15:03] <jthornton> how would it boot if all the OS has been removed?
[15:15:30] <FinboySlick> Well, I thought you were just going to chown without removing anything.
[15:16:09] <FinboySlick> What do you mean by removing the OS though? Just delete everything that isn't in /home?
[15:16:15] <jthornton> it's not the hard drive with the current os on it it's the old hard drive and I am just going to use it for storage and backup
[15:16:47] <jthornton> aye and when I'm done messing about I'll wipe the drive and just make one partition
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[16:31:07] <Deejay> gn8
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[17:15:34] <andypugh> My Faro arm arrived. It uses potentiometers, so should be easy to interface. Looks like a job for a multi-channel ADC talking to an Arduino.
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[17:31:41] <Rab> That doesn't seem very precise. I'm surprised they're not using encoders.
[17:31:59] <Rab> andypugh, what is your intended use for the arm?
[17:32:02] <andypugh> It’s pretty old.
[17:32:25] <andypugh> The manual mentions that the supplied PC has a 287 maths coprocessor and 1MB of RAM
[17:33:00] <andypugh> I want to mess about with one, mainly. And it’s an interesting kinematics toy.
[17:35:26] <Blumax> Hello
[17:35:31] <Blumax> I have a small problem with LinuxCNC, when I use the num pad, by moment if I ask a displacement (on all the axes) the movement does not stop, its continues until the limit. A solution to that ?
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[17:36:45] <CaptHindsight> i recall getting pricing for a Faro arm 10+ years ago, $50kusd
[17:37:08] <CaptHindsight> or that might have been with a laser scanner
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[17:38:56] <CaptHindsight> https://www.faro.com maybe it was an earlier version of this
[17:39:46] <CaptHindsight> andypugh: how many ohms are the pots?
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[17:39:58] <andypugh> 2k
[17:40:00] <andypugh> (ish)
[17:40:11] <andypugh> I haven’t pinned them all out yet.
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[17:40:27] <CaptHindsight> just wondering the ballpark
[17:40:47] <andypugh> I need to work out how they are wired and whether pot-mode or vr-mode
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[17:43:12] <andypugh> One of these.
[17:43:13] <andypugh> https://www.ebay.ie
[17:43:21] <andypugh> In fact, that one.
[17:43:43] <jthornton> so you managed to get UPS to deliver it?
[17:45:05] <CaptHindsight> wonder what they used it for in a medical setting?
[17:45:28] <andypugh> Skeletal measurment
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[17:46:33] <andypugh> (I haven’t pinned it out as the connector is a DB15HD (VGA) and I don’t have a suitable socket, and holding the multimeter on the terminals while turining joints takes more hands than I am equipped with :-)
[17:47:40] <CaptHindsight> have any old VGA cables around? I stll have a few in their wrappers from the DVI crossover days
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[17:48:33] <jthornton> <FinboySlick> well it does indeed boot when I moved it to a different pc :) so even though I did a chown on the mount it did not change the drive any
[17:48:50] <CaptHindsight> probably time to dump any PATA cables leftover
[17:48:57] <andypugh> I had a look (while convincong myself I would never need them) but the VGA cable is male both ends.
[17:49:59] <CaptHindsight> some video game accessories still use PS2 connectors
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[17:51:38] <Rab> Ever needed a scrap of ribbon cable, and remembered all the PATA cables you scrapped as e-waste?
[17:52:19] <CaptHindsight> my Mesa cards keep my ribbon cable collection alive
[17:53:22] <CaptHindsight> what to do with a box of old wireless mice and keyboards that all had proprietary USB dongles
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[17:55:01] <CaptHindsight> I got an older Yaskawa servo drive, was serial only
[17:55:25] <CaptHindsight> glad I had kept all the adapters and cables
[17:56:12] <CaptHindsight> worst part was having to use <win97 to run the software
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[18:04:21] <gregcnc> 97 must have been limited release
[18:06:36] <andypugh> He used <
[18:12:14] <CaptHindsight> which version of Windoze first had USB drivers?
[18:13:10] <pjm> w95 wasnt it
[18:13:25] <CaptHindsight> was around there
[18:14:01] <CaptHindsight> was it that 95 didn't initially have them then later you could add them but they weren't official until 98?
[18:15:26] <CaptHindsight> I recall designing a tablet PC around that time and USB was a problem
[18:16:04] <CaptHindsight> also being frustrated that there wasn't a working browser for Linux on ARM yet
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[18:21:01] <weenerdog> i'm frustrated with my brain for being unable to make solidworks do what i want it to
[18:22:22] <gloops> the first rule - there are no solids
[18:23:52] * weenerdog puts gun in his mouth lol
[18:26:16] <jthornton> weenerdog: what are you trying to do?
[18:27:04] <weenerdog> just simple stuff. rotate bodies the way i want. stuff like that. i'll get it. its just new
[18:27:46] <jthornton> like rotate parts in an assembly?
[18:28:04] <weenerdog> well, right now, rotate sketches in a part
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[18:28:25] <CaptHindsight> weenerdog: yeah, just keep trying
[18:28:45] <weenerdog> like... i extracted a face from one part, pasted into a new part drawing, playing hell trying to rotate it 180 deg lol
[18:28:51] <andypugh> I am pretty experte in Inventor and don’t know if I could rotate a sketch in a part. Seems an odd thing to do
[18:29:04] <jthornton> iirc hmmm where is that crap crs is working on me and I don't have sw down here
[18:29:10] <CaptHindsight> NX, SW, Creo, Catia they all are very similar but different
[18:29:16] <weenerdog> unless its upside down when you paste it (no i dont know why)
[18:29:35] <jthornton> yea you can rotate a sketch i just can't remember where the menu item is
[18:30:01] <CaptHindsight> and they change it every version or two just for fun
[18:30:03] <weenerdog> i'm just brainwashed from 25 years of autocad
[18:30:09] <CaptHindsight> ^^ the menus
[18:30:29] <CaptHindsight> heh, and I never really used autocad enough to get the hang of it
[18:30:54] <CaptHindsight> I'm usually trying to do something autocad doesn't do
[18:31:21] <weenerdog> oh i've already figured out that sw is way more capable
[18:31:58] <weenerdog> the problem is between the chair and keyboard :P
[18:32:01] <CaptHindsight> I tend to get caught up in moving the model around vs getting work done
[18:33:07] <CaptHindsight> get the model in your head so you don't add holes that are impossible to machine
[18:33:46] <gregcnc> rotating copied sketches is a pain
[18:34:07] <weenerdog> i'm making parts to assemble so i can design my router build. figured it would be a good way to learn sw :)
[18:34:22] <JT-Shop> Tools > Sketch Tools > Rotate
[18:34:31] * JT-Shop goes back to the beer cave
[18:35:01] <weenerdog> lol its grayed out
[18:35:05] <gregcnc> because you have vertical and horizontal relations
[18:35:13] <weenerdog> its mocking me
[18:35:26] <weenerdog> thanks gregcnc
[18:36:16] <CaptHindsight> weenerdog: just spend a few days playing, you'll get it
[18:36:17] <gregcnc> puh, you know I never actually tired that
[18:36:34] <jthornton> do you have a sketch open?
[18:36:34] <gregcnc> rotate breaks the constraints
[18:36:40] <weenerdog> ja jt
[18:36:48] <gregcnc> so it should work
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[18:38:21] <andypugh> Try swearing at it?
[18:38:51] <CaptHindsight> https://youtu.be so just like real traffic
[18:42:37] <CaptHindsight> there a good video explaining how constraints work in SW
[18:44:21] <CaptHindsight> if you added constraints to something and then try to move it you're probably doing it wrong
[18:46:27] <CaptHindsight> https://www.youtube.com
[18:46:35] <weenerdog> backstory - i cheated drawing sbr16 rails by grabbing a drawing off the internet. i guess the part had constraints before i copied the geometry i copied
[18:47:07] <CaptHindsight> I never trust anything imported
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[18:47:43] <CaptHindsight> I once got a reference design from Intel for a motherboard in Orcad...
[18:48:31] <CaptHindsight> thyey used some other schematic capture app to deisgn it and then translated it without telling (warning) me
[18:49:05] <CaptHindsight> looked good but nothing in the database worked properly
[18:49:27] <CaptHindsight> same for most 3d models downloaded from 3d model sources
[18:51:51] <jthornton> I used to pull my hair out making imported assemblies work as they always came without any constraints
[18:53:15] <CaptHindsight> i just expect imports to be crap until proven good
[18:54:07] <CaptHindsight> lots of lazy users of CAD software
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[19:21:04] <Vitran> Just checking to see if I can post here or if it will block me.
[19:21:21] <Vitran> Wow. I think I got it. Hello LinuxCNC
[19:21:41] <andypugh> Hi! You mad eit in?
[19:21:47] <Vitran> yep
[19:21:54] <Vitran> I was banging my head against the lathe
[19:22:03] <andypugh> (You were asking for an invite on the forum, and we all looked blank?)
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[19:22:37] <Vitran> Well, I could see other people type, but it said I didn't have authroity even after I tried registering my nickname
[19:22:55] <Vitran> Trying again on a new day seems to have worked
[19:23:21] <MrHindsight> IRC uses open source software so....
[19:23:32] <MrHindsight> it mostly works
[19:24:06] <andypugh> I think Freenode have a spam problem, and have changed things, which is why we (who have been here a while) are unfamiliar with the hoops you had to jump through,
[19:24:23] <MrHindsight> ever notice that if you compile and configure apps yourself they work so much better than pre-packaged?
[19:24:36] <andypugh> Mine don’t :-)
[19:24:42] <MrHindsight> Linux in general
[19:26:08] <Vitran> I am at the final stages of my CNC project that has gone on for far too long. But I am hitting my head against this screen https://imgur.com
[19:26:39] <andypugh> Ah
[19:26:43] <andypugh> Yes
[19:26:44] <andypugh> That
[19:26:52] <andypugh> That’s a fixed bug
[19:27:06] <andypugh> Which version of LinuxCNC?
[19:27:11] <Vitran> Ah! Great.
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[19:28:47] <Vitran> 2.7.14
[19:28:59] <andypugh> Hmmm
[19:29:15] <Vitran> I haven't plugged it into internet in a long time as last time I did it did an update to the kernel that made linuxcnc stop working
[19:29:41] <Vitran> so I did a fresh instal and updated the .hal files to match
[19:29:47] <Vitran> but that was a year ago
[19:30:18] <andypugh> 2.7.14 is the latest
[19:30:32] <andypugh> Maybe the problem was only fixed in the dev version?
[19:31:54] <andypugh> No, it is fixed in 2.7, but possibly not released yet..
[19:32:37] <andypugh> Yes, not yet fixed in 2.7.14
[19:33:14] <andypugh> You can fix it yourself, if you want?
[19:33:42] <Vitran> Sounds like a plan
[19:34:09] <Vitran> but I don't have much in the lines of linux skills
[19:35:12] <Vitran> I am not exactly sure what it is saying on the screen though. It seems to complain that it doesn
[19:35:19] <Vitran> t know what kernel version I have?
[19:35:29] <andypugh> You have preempt-rt
[19:36:04] <andypugh> Which means that LinuxCNC isn’t running in kernel space, so the system can’t answer the question
[19:36:18] <andypugh> Open a terminal
[19:36:31] <andypugh> which pncconf
[19:36:49] <andypugh> That will find the file that you are running when you run pncconf
[19:37:18] <andypugh> (probably /usr/bin/pncconf )
[19:37:27] <andypugh> then:
[19:37:42] <andypugh> sudo gedit /usr/bin/pncconf
[19:38:08] <andypugh> (or, if that fails, sudo mousepad /usr/bin/pncconf )
[19:41:46] <Vitran> Got it. I opened it in nano, but about the same
[19:42:13] <andypugh> I am not sure how to search in nano, but you want line 1641
[19:42:28] <andypugh> It currently says “ elif hal.is_rt and not hal.kernel_version == actual_kernel:”
[19:43:08] <andypugh> and it needs to say: elif hal.is_kernelspace and hal.kernel_version != actual_kernel:
[19:51:26] <Vitran> Yeah. It worked
[19:51:42] <Vitran> Is there a way to manually turn an output pin?
[19:51:50] <Tom_L> that's just a PNCconf error? not a runtime error?
[19:52:13] <Tom_L> setp
[19:52:36] <Tom_L> i think
[19:53:15] <Vitran> setp hm2_5i25.00.7i64.0.2.output-01, yes, but where can I type that when in pncconf? Is there a means of turning that on? That is the e-stop power circuit that enables the main breakers.
[19:53:31] <Vitran> setp hm2_5i25.00.7i64.0.2.output-01 TRUE is the command
[19:53:32] <Tom_L> i've never used pncconf
[19:54:42] <andypugh> Vitran: Not directly in Pncconf, but if you open a terminal at the same time “halcmd setp hm2_5i25.00.7i64.0.2.output-01 TRUE”
[19:56:20] <Vitran> neat
[19:56:30] <Vitran> Didn't know you could do that
[19:56:39] <andypugh> It’s a useful truck.
[19:57:02] <andypugh> In fact, without linuxCNC running at all you can start a HAL session
[19:57:15] <andypugh> halrun
[19:57:19] <andypugh> loadrt hostmot2
[19:57:31] <andypugh> loadrt hm2_pci
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[19:57:36] <andypugh> show pin
[19:57:39] <andypugh> (and so on)
[19:58:41] <andypugh> If Linuxcnc _is_ running, then “halcmd -kf” will enter an interactive hal prompt where you can type hal commands and use tab-completion and history.
[19:59:38] <Vitran> That sounds better than HAL Configurator
[20:00:14] <Vitran> with tab completion I mean
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[20:03:53] <andypugh> Well, not really, as it is interactive and transirnt
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[20:08:16] <Vitran> Can I ask for another error solution? https://i.imgur.com
[20:09:07] <andypugh> You can ask…
[20:09:20] <andypugh> But that’s a new one to me.
[20:09:39] <Vitran> I tried first making the motor go up/down which it did
[20:10:02] <andypugh> Is this a servo machine?
[20:10:10] <Vitran> Yes
[20:10:43] <Vitran> Velocity being used to control position. Velocity is controled by voltage
[20:11:02] <Vitran> This is on a 7i77
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[20:13:19] <Vitran> I think this was where I was in August when I did the Debian9 installation. I had the probe part working and thought that plugging into the internet and doing a full system update may fix the linking issue. LinuxCNC was unhappy with the updated kernel or something which was why I reinstalled to the Debian9 version
[20:15:12] <andypugh> Is it possible that there is an encoder scale box that has an invalid value in it? self.enc_scale (in test.py) is used all over.
[20:17:13] <Vitran> The servo motors are connected to the servo drive and the servo drive outputs an encoder signal. I have tuned it so that it produces 10000 pulses per inch. In the scope I can see that one revolution (as per the servo motor software) is 1" of travel is 10000 pulses.
[20:18:02] <Vitran> I have used the HAL Configurator to tune that through comparisons on the servo drive's output to what LinuxCNC sees
[20:18:42] <Vitran> Oh, wait, I understand what you are asking. I will look more closely at the pncconf thing. One sec.
[20:24:12] <Vitran> I don't see anything out of the ordinary. The encoder scale is set to 10000
[20:28:21] <Vitran> I don't know if this helps or hurts. Going back to the scope window shows this error now https://i.imgur.com
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[20:29:40] <andypugh> Hmm, broken pile points at a graphics problem. Are you logged in by ssh?
[20:29:57] <andypugh> (probably not, but that’s a term I recognise from that)
[20:29:59] <Vitran> No? I am at the computer
[20:30:16] <Vitran> Well, typing on a computer beside the linuxcnc computer
[20:30:19] <andypugh> I would be tempted to skip the axis test for now, and see if the config works..
[20:30:38] <Vitran> I have configs that do work
[20:31:07] <Vitran> The challenge is getting the motors tuned. They are a voltage based so they drift without active control
[20:31:08] <andypugh> It looks like there’s something a bit wierd going on in your system (but we would have heard by now if all systems worked as well as yours….)
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[20:32:22] <Vitran> When I run a program it says the axis have following errors
[20:32:33] <Vitran> which I expected as it is drifting
[20:34:39] <Vitran> Hmmm. Maybe I just put a small 'I' and see if it will use that to stay in position. I don't think it will. Right now it has a PID of 1,0,0
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[20:36:18] <andypugh> It shouldn’t drift very far if the PID is working
[20:37:04] <andypugh> Make the f-error limits bigger to see if perhaps the encoder scale and the analogue output disagree about which direction is positive
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[20:44:26] <Vitran> Will do. Thank you for the help Andy. It is late and I may tackle this again tomorrow with some friends. Hopefully by the end of the month I will have some PID working on the servos so I can mount them.
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[22:11:49] <Rab> Zomg, FreeCAD has SpaceNavigator support!
[22:12:08] <Rab> https://www.freecadweb.org
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[22:42:20] <Rab> Hmm, wondered what was inside these things: https://www.fictiv.com
[22:43:02] <flyback> HEH
[22:43:15] <flyback> i AM IN THE process of cleaning up and figuring out how to image the hard drives
[22:43:21] <flyback> on a p100 32mb ram running nt4
[22:43:29] <flyback> and a p3 384 mb ram running win2k
[22:43:51] <flyback> pain in the ass because the nt4 can't do usb and the cdrom is broken, and the nic is a old isa one without pxe
[22:44:04] <flyback> they are cnc machines
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[23:06:51] <flyback> https://www.youtube.com
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