#emc | Logs for 2006-01-21

[00:00:04] <SWPadnos> and you want to do that in hardware that takes an analog input, and outputs pulses at a proportional frequency?
[00:00:20] <fenn> i was thinking digital input, but yeah
[00:00:29] <SWPadnos> ok - a numerical input
[00:00:30] <fenn> via EPP
[00:00:48] <SWPadnos> fine - and it provides a count of pulses output as its "feedback"
[00:00:56] <fenn> yep
[00:01:13] <SWPadnos> well. that sounds a lot like the USC
[00:01:22] <fenn> ah is that what it does? :)
[00:01:25] <SWPadnos> yep
[00:01:34] <SWPadnos> except that it can also take encoder inputs
[00:01:46] <SWPadnos> and has 8 digital outputs and 16 digital inputs
[00:01:57] <SWPadnos> and supports 4 axes
[00:01:59] <SWPadnos> (per card)
[00:02:59] <fenn> it doesnt actually have any driver electronics
[00:03:27] <SWPadnos> no - it's not a driver, it's a step and feedback generator
[00:03:54] <fenn> seems like a lot of money for that
[00:04:08] <SWPadnos> $250 isn't all that bad.
[00:04:18] <fenn> depends what you're doing with it
[00:04:19] <SWPadnos> it's more than a DIY board would be
[00:04:33] <fenn> yeah i thin i could make something like that for maybe $10
[00:04:44] <fenn> heh maybe not $10
[00:04:51] <SWPadnos> for me, I have motors that the Geckos can run at around 1800 RPM (30 RPS), they have 4000 count encoders
[00:05:09] <SWPadnos> that's 120 KHz, so there's no computer made today that can do that
[00:05:38] <fenn> are these steppers or servos?
[00:05:43] <SWPadnos> if I use Rutex or some other high voltage drive, I can get that to 2500 RPM
[00:05:45] <SWPadnos> serrvos
[00:05:47] <SWPadnos> servos
[00:05:53] <SWPadnos> serrrrrvos
[00:06:57] <fenn> too bad theres not cheap quadrature decoder chips
[00:07:03] <SWPadnos> yeah
[00:07:24] <fenn> you can buy a dsPIC with built in hardware decoders for the price of a standalone decoder
[00:07:33] <SWPadnos> I'm hoping there's some really weird problem with decoding quadrature encoders, because the logic to do it is worth about $0.30
[00:08:04] <fenn> from what i've heard there isn't any really weird problem
[00:08:12] <SWPadnos> I thikn jitter can be odd
[00:08:25] <SWPadnos> also, you have to be sure that you latch the count when a read occurs
[00:08:51] <fenn> hmm i was just thinking step and direction
[00:09:04] <SWPadnos> that's not quadrature
[00:09:16] <fenn> right that's the point
[00:09:27] <SWPadnos> err - which point?
[00:09:32] <fenn> it doesnt matter, nevermind :)
[00:09:35] <SWPadnos> ok
[00:10:04] <fenn> i'm still learning about how to use microcontrollers
[00:10:18] <fenn> so some of my ideas are a little off
[00:10:56] <SWPadnos> of course
[00:11:01] <SWPadnos> I mean - really. hmmm :)
[00:11:21] <les_w> ahh...just back from BK...tummy full of msg.
[00:11:34] <SWPadnos> MSG laden grease? yummy
[00:11:45] <les_w> yeah
[00:11:53] <fenn> i prefer my msg in its natural state - soy sauce
[00:12:10] <les_w> I was sick and had not eaten much today or yesterday. Now I'm ok.
[00:12:31] <fenn> you should write a letter to BK corporate headquarters - they may send you a free coupon
[00:12:39] <les_w> ha
[00:13:44] <les_w> I was even too wek to take a golf break during lunch.
[00:13:47] <les_w> boo hoo!
[00:14:38] <fenn> sometimes you have to step back and think about what's really important in life
[00:15:13] <les_w> I just wrote a little code, and talked on the telephone like a teenage girl for a living.
[00:15:38] <les_w> I got some production quotes and did not like the prices.
[00:16:17] <fenn> farming out work?
[00:16:25] <les_w> yeah
[00:16:35] <les_w> piezo devices
[00:17:30] <fenn> yeah that probably needs specialized equipment
[00:18:09] <les_w> yup...ultra pure materials....sintering...poling....firing cermet
[00:20:45] <les_w> it's PZT
[00:21:04] <les_w> so I am getting quotes from the inventors of pzt
[00:21:24] <les_w> but others as well because I don't like the prices I am seeing
[00:22:01] <les_w> sadly, I am having to farm this out offshore
[00:23:03] <les_w> but we will try very hard to manufacture the final product in the us
[00:23:24] <les_w> All I can do is throw technology at it
[00:24:36] <Jymmm> * Jymmm throws tequilia at it!
[00:25:01] <les_w> the advantages of chinese labor don't matter if there is no labor...right?
[00:25:18] <les_w> jymmm throw tequila at me
[00:25:44] <Jymmm> it, les_w, same diff.
[00:25:54] <Jymmm> =)
[00:26:12] <fenn> the cost of living is less in china so you can pay less for the skilled labor to make the specialized equipment
[00:26:29] <fenn> dunno if that makes it cheaper to make in china or not
[00:26:35] <les_w> I just have some of this napoli liquer that jacky and anna mailed me
[00:26:42] <les_w> quite good actually
[00:27:27] <les_w> I could not read the label...and thought it was after shave
[00:28:04] <les_w> so I drank some.
[00:28:13] <les_w> tasted ok...
[00:29:58] <fenn> hmm.. polyvinylidene fluoride is a piezo material..
[00:30:21] <les_w> it sure is...kynar
[00:30:27] <les_w> I have lots of it
[00:33:14] <fenn> is piezoelectricity what makes a crystal oscillator work?
[00:33:23] <les_w> yes
[00:33:37] <les_w> typically quartz...sometimes ceramics
[00:36:59] <les_w> circuit model is a series rlc with a shunt c
[00:37:15] <les_w> so it has resonance and anti-resonance
[00:43:04] <les_w> btw...speaking of acoustics...the norwegian SEAS midrange vertical arrarys worked superbly in the music room
[00:43:19] <les_w> I bought a whole carton of them
[00:46:18] <les_w> huh? heard a loud gunshot then a car speeding away. Murder in Tiger, georgia?
[00:46:47] <les_w> wasn't a backfire...it was a rifle
[00:47:56] <fenn> careful les, it might be a redneck
[00:48:14] <SWPadnos> it's OK - no redneck would know how to use IRC
[00:48:20] <les_w> oh, shooting at speed limit sign...favorite passtime in georgia.
[00:48:34] <fenn> arent you supposed to do that when the car is moving?
[00:48:41] <les_w> haha
[00:48:44] <SWPadnos> the state police put out a deer decoy one year
[00:48:53] <SWPadnos> it got so many holes, they had to retire it
[00:48:56] <SWPadnos> (like 115)
[00:48:59] <les_w> really
[00:49:01] <les_w> haha
[00:49:04] <SWPadnos> yep
[00:49:16] <SWPadnos> Vermont has the highest percentage of hunters in the US, I think
[00:49:21] <SWPadnos> per capita
[00:49:41] <les_w> the per capita crime here is incredibly high
[00:50:00] <SWPadnos> interesting. It's the lowest here I think
[00:50:04] <les_w> tiger has a population of about 300
[00:50:13] <SWPadnos> and we're one of two states where hidden weapons are legal
[00:50:26] <SWPadnos> Texas being the other
[00:50:34] <les_w> on the police blotter in the paper about 5 are arrested weekly
[00:50:44] <SWPadnos> from Tiger?
[00:50:48] <les_w> usually methamphetamine related
[00:50:51] <SWPadnos> ah
[00:50:56] <les_w> yeah!
[00:51:26] <les_w> 2% of the entire population arrested weekly!!!!
[00:52:12] <les_w> See, the hillbillies went from moonshine to methamphetamine
[00:52:23] <SWPadnos> d00dz!
[00:52:56] <les_w> the skanky hillbilly girls love Paul though.
[00:53:13] <SWPadnos> that's quite a compliment
[00:53:21] <SWPadnos> maybe
[00:53:38] <les_w> Well he comes here every year...
[00:54:03] <les_w> not sure if it's emc or the hillbilly girls.
[00:54:07] <SWPadnos> heh
[00:54:31] <les_w> BTW i'm not immune either
[00:54:38] <SWPadnos> to emc?
[00:54:54] <les_w> I married a moonshiner's daughter
[00:55:01] <les_w> for a little while
[00:55:06] <les_w> bleh
[00:55:09] <SWPadnos> heh
[00:55:20] <les_w> she forced Paul to eat grits.
[00:55:42] <SWPadnos> at least he didn't return the favor and force her to eat Haggis
[00:55:45] <les_w> He looked like he had a mouthfull of S#it
[00:55:58] <SWPadnos> strange - don't grits have almost no flavor?
[00:56:05] <SWPadnos> like cream of wheat
[00:56:22] <les_w> I mix mine with cheddar cheese and butter.
[00:56:32] <SWPadnos> sounds good, but possibly not for breakfast
[00:56:41] <SWPadnos> at least, not necessarily with the cheese
[00:56:47] <les_w> P aul objected to the texture.
[00:56:52] <SWPadnos> now, wheatena with cream cheese - that's good f or breakfast
[00:56:58] <SWPadnos> heh
[00:57:34] <les_w> Well the moonshiner's daughter was quite cute and young...so he ate the grits.
[00:57:45] <les_w> I thought he was gonna puke.
[00:58:31] <SWPadnos> not like spotted dick or Yorkshire pudding, I guess
[00:59:00] <les_w> This year he got pecked by a chicken while he was sitting on the porch studying trajectory planning algos from my books
[00:59:15] <SWPadnos> he
[00:59:17] <SWPadnos> h
[00:59:40] <les_w> he said it hurt!
[01:00:36] <les_w> the chickens are spoiled....and expect feed if you are out there.
[01:00:56] <les_w> No feed...and you get pecked.
[01:01:36] <les_w> He was just reading about Quaternions and such
[01:01:44] <SWPadnos> bummer - my wife was just in a car accident
[01:01:46] <SWPadnos> see you later
[01:01:50] <SWPadnos> SWPadnos is now known as SWP_Away
[01:01:55] <les_w> uh oh
[01:02:09] <SWP_Away> she's fine, but still. bummer (new car)
[01:02:24] <les_w> good to hear she is ok
[01:02:33] <les_w> insurance works.
[02:09:38] <Jymmm> "Hello Operator, Gimme the number for 9-1-1!"
[02:10:20] <Jymmm> insurance for NEW car doens't.
[02:11:47] <Jymmm> Sure they'll pay off the loan, but you are still out a car.
[02:11:59] <Jymmm> or is that on a lease.
[03:21:25] <SWP_Away> SWP_Away is now known as SWPadnos
[05:59:41] <Jymmm> Jymmm is now known as Red70sShow
[05:59:41] <Red70sShow> Red70sShow is now known as Jymmm
[06:07:22] <SWPadnos> SWPadnos is now known as SWP_Away
[07:39:41] <Jymmm> Jymmm is now known as Jymmmm
[08:59:21] <Jymmmm> Jymmmm is now known as Jymmm
[11:01:18] <thalx> I'm off with EMC2 for exhibition at Cabin Fever Expo in York, PA!
[11:52:05] <djb_rh> have fun
[14:01:36] <TorbaX> ji all
[14:01:37] <TorbaX> hi
[14:02:16] <TorbaX> to convert dxf files I used dxf2cnc
[14:03:25] <TorbaX> the source dxf file is COLUMBIA.DXF (on Jalacnc site)
[14:03:51] <TorbaX> this file is loaded correctly
[14:04:21] <TorbaX> but dxf2cnc goes to Segfault.
[14:05:26] <TorbaX> Did anybody have this problem with this converter...?
[14:22:11] <servant74> gootenmorgan
[14:59:55] <wb9mjn> Welp...just measured the torque peak on my Z column....the max current into the motor is 3.6 amps...with a torque constant of 18 ozin/amp...
[15:00:06] <wb9mjn> That makes a 65.1 oz in torque peak...
[15:00:48] <wb9mjn> Think I will try shaving the pulley a little to see if the over-tight belt might be part of the issue...
[15:20:34] <wb9mjn> Not going to work on the belt....oh well....
[15:21:08] <wb9mjn> Continuous Stall Torque for the motor is 42 ozin ...
[16:03:50] <alex_joni> hi all
[16:17:28] <rayh> logger_aj: bookmark
[16:17:28] <rayh> See http://solaris.cs.utt.ro/irc/irc.freenode.net:6667/emc/2006-01-21#T16-17-28
[16:17:34] <Jymmm> Mornin Ray
[16:20:18] <alex_joni> morning Ray
[16:20:21] <alex_joni> Jymmm:
[16:21:11] <Jymmm> alex_joni: Yes Ma'am?
[16:21:18] <alex_joni> hello
[16:21:24] <Jymmm> howdy
[16:22:17] <alex_joni> wanna hear something funny?
[16:22:43] <alex_joni> Background:
[16:22:44] <alex_joni>
[16:22:44] <alex_joni> It was recently decided in a court of law that certain portions of code found in Microsoft Office Professional Edition 2003, Microsoft Office Access 2003, Microsoft Office XP Professional and Microsoft Access 2002 infringe a third-party patent. As a result, Microsoft must make available a revised version of these products with the allegedly infringing code replaced.
[16:22:49] <alex_joni>
[16:23:24] <alex_joni> Action required:
[16:23:24] <alex_joni>
[16:23:24] <alex_joni> As a result of the above ruling, you are required to:
[16:23:24] <alex_joni>
[16:23:24] <alex_joni> Install Microsoft Office 2003 Service Pack 2 (Office 2003 SP2) for all your future deployments of Office Professional Edition 2003 and Office Access 2003,
[16:23:25] <jepler> so what's the punchline?
[16:23:28] <alex_joni> Install the Microsoft Office XP Service Pack 3 Patch (Office XP SP3 Patch) for all your future deployments of Office XP Professional and Access 2002
[16:24:07] <rayh> Hi guys
[16:24:18] <SWP_Away> SWP_Away is now known as SWPadnos
[16:24:26] <SWPadnos> hello
[16:25:09] <rayh> MS says the upgrade is manditory.
[16:25:28] <SWPadnos> but what if I *like* the infrigning version better?
[16:25:51] <rayh> tough nuggies darlin'
[16:26:03] <jepler> "company writes scary legal-sounding text you can't possibly be required to follow" is not a punchline, or news
[16:26:21] <SWPadnos> good thing I don't have any MS Office products to "upgrade" ;)
[16:26:22] <jepler> "microsoft shafts its customers yet again" is not a punchline, or news
[16:26:55] <alex_joni> the only difference this time is that a court of law has validated that M$ stuff is illegal
[16:26:59] <rayh> just 'nother day at the office...
[16:27:06] <alex_joni> previous things just went by
[16:27:20] <jepler> who knows -- it might be a patent on something completely asinine
[16:27:28] <SWPadnos> that's happened several times before, I think the most famous was the Stacker case in the DOS 6 era
[16:28:11] <SWPadnos> err - the court thing, not the asinine patent thing
[16:28:24] <SWPadnos> that happens all the time
[16:28:35] <jepler> and look -- stacker has been gone 14 years, and microsoft is still here
[16:28:49] <jepler> they won, but it doesn't mean they didn't lose.
[16:28:51] <SWPadnos> after only paying $120Million for the right
[16:28:54] <SWPadnos> yeah
[16:29:16] <SWPadnos> DR-DOS, GEM, Lotus ...
[16:29:56] <rayh> The viability of a US biz right now depends upon how much you donate to the ruling party.
[16:30:46] <jepler> I just hope I will be able to play the-format-after-dvd on my linux machines by the time it's hard to get DVD movies
[16:30:54] <Jymmm> MS-DOS 6.21 =)
[16:33:28] <jepler> bbl guys
[16:33:42] <SWPadnos> see ya
[16:33:54] <Jymmm> kasta
[16:33:58] <Jymmm> hasta even
[16:34:27] <alex_joni> later jepler
[17:28:56] <SWPadnos> SWPadnos is now known as SWP_Away
[17:47:48] <Jymmm> Jymmm is now known as Jymmmm
[18:03:27] <Jymmmm> Jymmmm is now known as Jymmm
[19:09:38] <dmessier> hi all... my son just come down from a shower dressed in my clothes...
[19:10:36] <dmessier> and he doesnt do my laundry
[19:22:24] <alex_joni> that's disturbing ;)
[19:49:25] <Jymmm> dmessier: he does now!
[19:49:53] <Jymmm> dmessier: Just wait till he comes down in Mom's clothes!!!
[19:52:12] <alex_joni> maybe he already did..
[19:52:39] <Jymmm> would explain why dmessier isn't responding
[19:53:03] <alex_joni> underneath his dad's clothes his mom's underwear might be lurking
[19:53:27] <Jymmm> no comment
[19:53:49] <alex_joni> ditto..
[20:21:40] <alex_joni> jepler: you around?
[20:22:58] <alex_joni> anyone knowing a bit of 'make' around?
[20:24:13] <fenn> well, i read "recursive make considered harmful" does that count?
[20:24:30] <alex_joni> not really.. exactly that's what I need to do ;)
[20:24:50] <fenn> what are you doing?
[20:24:52] <alex_joni> well.. actually I'm wondering how I can cd to a dir inside a makefile
[20:27:26] <fenn> you want it to automatically traverse the directory tree?
[20:29:00] <alex_joni> no, I want it to cd into the src/ dir, and start another make there
[20:29:35] <alex_joni> and I tried 'cd src/' and on the next line $(MAKE)
[20:29:39] <alex_joni> but that doesn't work
[20:30:22] <alex_joni> likewise 'cd src/ && $(MAKE)' make is starting, but it's in the wrong directory
[20:31:46] <fenn> try including it as an include file
[20:31:50] <fenn> or however you say that
[20:32:01] <alex_joni> no, I need to be in the exact dir
[20:32:11] <alex_joni> because that makefile in there is using relative paths
[20:33:02] <fenn> try -C dir ?
[20:33:15] <alex_joni> tried, but it keeps getting out of that dir
[20:35:43] <fenn> (cd src; make $@) ?
[20:36:21] <alex_joni> hang on.. trying now
[20:41:32] <alex_joni> nope.. same issue
[20:41:52] <alex_joni> oops.. no, wait
[20:42:00] <alex_joni> it's good, differnet issue now :D
[20:43:27] <fenn> that doesnt make sense
[20:43:35] <alex_joni> no, what you said works
[20:43:52] <alex_joni> I'm getting another error now, and I thought it's still the first one
[20:44:09] <fenn> i mean it doesnt make sense why $(MAKE) doesnt work but "make" does
[20:44:21] <alex_joni> I still used $(MAKE)
[20:44:31] <alex_joni> but (cd src; $(MAKE) )
[20:44:39] <alex_joni> instead of cd src && $(MAKE)
[20:44:57] <fenn> maybe the parentheses are what does it
[20:50:18] <alex_joni> ok. it seems to work now ;)
[20:50:21] <alex_joni> thanks a lot
[20:50:43] <SWP_Away> that's what's in the emc top level makefile
[20:51:24] <alex_joni> hi SWP_Away
[20:51:27] <SWP_Away> hi
[20:53:39] <CIA-14> 03alex_joni * 10emc2/src/Makefile: changed the Makefile accordingly to the move of files lately, config/ and the new runscript. this affects only make install rule
[21:19:09] <CIA-14> 03alex_joni * 10emc2/debian/ (changelog control copyright rules): helper files to create an emc2 debian package. just issue 'fakeroot debian/rules binary' from emc2/
[21:43:00] <CIA-14> 03alex_joni * 10emc2/configs/motenc/ (README motenc_io.hal): added some more comments
[22:10:09] <CIA-14> 03petev * 10emc2/configs/motenc/README: -Changed Motenc to Motenc-100 for clarity.
[23:13:19] <Jacky^> halo
[23:16:30] <fenn> ilovebees
[23:16:52] <Jacky^> hey fenn :))
[23:17:34] <Jacky^> saturday night fever ?
[23:17:37] <Jacky^> :D
[23:17:41] <fenn> eh, what day is it?
[23:17:52] <Jacky^> niiice
[23:18:08] <Jacky^> other 2 days yet
[23:18:33] <Jacky^> after, ill came back to home :(��
[23:19:24] <Jacky^> its 22 jan here :)
[23:19:36] <Jacky^> or jan 22 :
[23:22:51] <k4ts> hello
[23:34:08] <Jymmm> howdy anna
[23:34:34] <k4ts> well
[23:35:31] <k4ts> playng a bit with my new nikon camera