I already have 0.10 tip, if that's the case.
dont recall atm
No, it's .010
i have some tri ground .005 r x 15 degrees... only .062 dia and 1.5 long ... hard to handle..
made for peck-scribe marking on aluminum
visited a new facility... to chk out thier RFID tool id system.. EMc should have accomodation for that
hands off tool offset measurment and setting.. bukl tooling..
it they try to pond it into the wrong pocket/machine.... it errors out and hands back the tool
maybe you should donate a test system
Jymmm: did you figure out your 22mm question? I believe it is the size hole you drill in the console
LawrenceG: Yeah, I ssorta thought that. then was trying to estimate the overall size of the buttons
Jymmm: re prox sensor.... depends if the output is a source or a sink type driver in the prox... some have both
Jymmm: do you have specs on prox?
LawrenceG: pick one
pick a cheap one =)
slow web site... waiting
LawrenceG: I was more curious than anything else.
LawrenceG: I like it http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=150128975968
if you find a sinking output... it may be open collector and could be attached to the parallel port pin directly... watch out though as most I have seen use 12-28v as a supply
they are really meant to drive opto inputs on PLC or OPTO 22 type modules
The NPN outputs are sinking style.... they will pull down to ground when they detect metal... the main question is whether or not they have internal pullups to the supply or are they open collector
Those are cute stop/start buttons
not a bad price
they have stop/startw/amber 120V LED, and on/off w/ white 120V LED
nice... looking for prox switches for you...... there are a few, like ebay 170134342857
LawrenceG: dont sweat it, I'm just not there yet.... looking for a CHEAP db25 BB
nope... the above look like cheap magnetic reed switches... like alarm window sensors
just about bed time her on the west coast of Canada
LawrenceG: 5 hours togo
LawrenceG: I'm early at work today :P
heloo to .ro
Jymmm: check out ebay 2301567586215000leds to play with
that seller has a whole pile of leds that are going cheap
LawrenceG: SMT http://www.components4less.com/pdfs/LSL896P2.pdf
great little units for pcb indicators
on breakout boards etc
LawrenceG: Actually I was goin for the nice panel pkg like http://cgi.ebay.com/NEW-COMPACT-22MM-PILOT-LIGHT-YELLOW-LED-BULB-120V_W0QQitemZ150137822200QQihZ005QQcategoryZ42898QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
LawrenceG: LED, reflector, and colored lens
[06:04:05] <LawrenceG> http://cgi.ebay.com/NEW-NIB-STOP-START-PUSH-BUTTON-STATION-CONTROL-2NO-2NC_W0QQitemZ150144311416QQihZ005QQcategoryZ42898QQcmdZViewItem
not a bad price either, even if you take the buttons out of it
yea... you could probably put 2 of your other start/stops in that case... those guys have 89 pages of stuff in their store
I havne't had a chance to go thru all their stuff yet.
[06:08:42] <LawrenceG> http://cgi.ebay.com/NEW-22mm-SELECTOR-SWITCH-3-POSITION-MAINTAINED-1NO-1NC_W0QQitemZ150144807152QQihZ005QQcategoryZ58166QQcmdZViewItem
we use to use switches like that for off/auto/on selections
those are very good prices
LawrenceG: I'd like to have OFF/AUTO/ON, but I wnat to figure out some indicator light to where it's at from a distance.
Like blink when IN auto mode, but not running
they are nice for lots of things like coolant etc where you want to force things on or off or let the computer control it
LawrenceG: I just want to be AWARE of what mode it's in at all times, to CYA
[06:14:23] <LawrenceG> http://cgi.ebay.com/ONE-NEW-PILOT-LIGHT-16MM-AMBER-24VDC-AC-NIB_W0QQitemZ7599272081QQihZ017QQcategoryZ42898QQcmdZViewItem
classic ladder here you come
LawrenceG: 24v which I don't have and I suspect filament
which I don't want
24V is still safer than 120V
hope you won't do limit switches with 120V
24 v is nice for operator panels
and E-Stop chain
tensd to be cheaper i/o modules as well
oh, it should work then
the 24V lights on 12V
not as bright though, but with way more lifetime :P
[06:17:45] <LawrenceG> http://cgi.ebay.com/NEW-NIB-HOIST-PUSHBUTTON-CRANE-CONTROL-RELAY-CONTACTOR_W0QQitemZ150110134014QQihZ005QQcategoryZ4660QQcmdZViewItem
new emc pendant!
how about one for each axis
good night guys.... off to bed for this guy
Now, HERE's a pendant for ya.... http://cgi.ebay.com/NEW-UP-DOWN-LEFT-RIGHT-LU-RU-CRANE-CONTROL-PUSHBUTTON_W0QQitemZ150012290067QQihZ005QQcategoryZ42898QQcmdZViewItem
it's a bit too bulky for my taste
Yeah, I know
overhead hoist I'd suspect
Damn good price.... http://cgi.ebay.com/NEW-OMRON-LIMIT-SWITCH-40MM-ROLLER-PLUNGER-1NO-1NC_W0QQitemZ150125692209QQihZ005QQcategoryZ55833QQcmdZViewItem
too big for my needs
they have a wire rod limit switch too
This doens't make sense.... http://cgi.ebay.com/NEW-22mm-SELECTOR-SWITCH-3-POSITION-MAINTAINED-1NO-1NC_W0QQitemZ150137715566QQihZ005QQcategoryZ58166QQcmdZViewItem
3 postion, but the contacts are 1no, and 1 nc
I'm looking to do AUTO/OFF/ON
usually these are OFF-ON-OFF
that doens't make sense either
alex_joni: Does this look like I could solder on screw terminal strips?
[07:45:35] <Jymmm> http://cgi.ebay.com/DB25-male-connector-breakout-prototype-PCB-board-kit_W0QQitemZ110154007738QQihZ001QQcategoryZ36327QQrdZ1QQssPageNameZWD7VQQcmdZViewItem
Jymmm: might have to redrill the holes if it won't fit
alex_joni: ew =)
Component pin diameter: 0.039 inch
I mean drill through the holes with a bigger bit
you meant something like this: http://www.opamp-electronics.com/~opamp/catalog/images/3_Position_PCB_Terminal_Strip_002710.jpg
no, let me look
0.06" in Diameter on the ones above
so it won't fit ;)
like these blue ones http://www.winfordeng.com/products/pic/brk6p6c_large.jpg
toast__ is now known as toastydeath
search for them at digikey and check their size
these are 90 deg: http://rocky.digikey.com/WebLib/Weidmuller/Web%20Photo/1716050000.jpg
[08:39:08] <alex_joni> http://www.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=281-1450-ND
[08:40:03] <alex_joni> http://www.on-shore.com/catalog6/OSTVIXX2151.pdf
that's exactly 0.039" so it'll fit
small motors are still kind of expensive
darn.. how can you put a printer online with real IPs?
does your printer have a network port
do you own a real IP to assign the printer?
yeah, but I keep it on my internal network
[08:49:51] <alex_joni> http://brevis.net/
do you own an IP address
toastydeath: I do.. but I wouldn't dream of using it for my printer
then i'm kind of confused as to why you asked?
it was a ironic question
how stupid can you be to put a printer online with a real IP?
perhaps it's art?
toastydeath: you can even make it print from that page
hmm shall i click the print an info page link
or change the network configuration
or print an entertaining image on it
alex_joni: you NAT it (if you only have 1 public IP)
archivist: comments/thoughts? http://www.candcnc.com/Mini-IO.htm
$64 as-is, $74 with 30A and 10A relay card
archivist: Manual here http://www.candcnc.com/PDF/Mini-IO-2-Manual-REV2.pdf
so hey guys
just a quick note
unless you're throwing a foam party
regular dishwashing soap
isn't a substitute for dishwasher liquid
just in case, you know, you run out and need to run a load of dishes
toastydeath: So, how many buckets of suds did you have to dump outside?
could you see into the room through the bubbles
i'm gonna let the foam settle
and then wipe it all up
and just run the dishwasher intermittantly on the "rinse" cycle
just grab the garden hose and spray inside occasionally
i'm in a 3rd floor apartment
plus the dishwasher ran for a good like, five minutes
get a long hose
before it spilled out
maybe i can bucket brigade it
from the sink
you dont want to stir up the suds, maybe toss glassful of water every so often
i don't care about the suds
they can be stirred
i just want to slowly wash the majority of the soap, which is still there
out of the machine
it will eventually die down
then pout in the whole bottle of soap leave the door open and hit START!
i'm going to call my girlfriend
maybe she's dealt with this before
See how far the bubbles will travel to the 1st floor
no she's never dealt with this before
it's not THAT bad dude
i mopped up a lot of the crap on the floor
it's not like i have a kitchen that is waist high with suds
at least that proves to the gf that you are a helpless male needing help
which would be awesome in it's own right
then you are doing something wrong, try again!
hey i like to think i took the initiative and did the dishes
and continued after i discovered i did not have the necessary equipment
to do so
toastydeath: Uh hu... ran out of paper plates huh?
* archivist buys plastic cups and paper plates
i can't believe i don't have paper plates
i knew i was forgetting something
i've been here a year
and was like
wtf kind of live alone guy are you?
"something is still missing... what is it?"
i live with my girlfriend!
she is on vacation
doing some re-enactment camping ting
oh, so she was whining
that i refused to go to
sleeping on couch
aint gettting any for a week
two weeks, i guess
it doesn't matter, we've been together for five years
what did you do?
i told you man, she's doing medieval re-enactment out in the elements
i have a firm opinion on camping
and that opinion is:
lol, you just don't know how to go camping is all
dude i didn't become a machinist to sit outside under a tent without air conditioning
toastydeath: who said anything about not having AC ?
THE MEDIEVAL RE-ENACTMENT PART
at the time of the plague, there was no AC
Yeah, you'll go medievil on their asses if you dont have your AC
or the internet!
plus then we are going on vacation in ohio
at a friend's house
toastydeath: I hate to break the news to you,but Ohio aint a vacation destination
it is if you have an independantly wealthy friend named JAne
hmm and a railway museum to visit
fuck that shit man
we plan on being too inebriated to go anywhere
she has a Wii
and a lot of alcohol
toastydeath: Not like she's gonna give you any money after you sudded the kitchen
i don't think jane knows how to do dishes
she hires some lady to do all that
this is what she'd sayL
"What? You can't do that?"
damn near impossible to get acrylic cement these days
Hi newbie here. I'm having trouble running halshow. I get command not found. Also where is the main emc2 dir? Can't find the scripts dir
Oh I'm using the live cd and have upgraded to 2.1.7 FYI
Guest153: some of the documentation is slightly outdated. You can now run those programs (halshow, halscope, halmeter) directly from the GUI
in the AXIS gui, it's the Machine menu, "Show HAL Configuration"
IceGuest_7 is now known as floppy123
i have a problem....
ive told you about my pneumatic driven CNC
now, i can control with hal the valves and drive the axis
but what must i do to close the loop?
how can i set the PID?
I thought you had glass scales
yes i have glass scales...
and i can see the XY position on my monitor when i move the axis with hand
and the feedback rate from the scales is high enough?
(do they provide quadrature or something?)
i dont understand...
moment i must take a dictionary
what HAL component are you using for feedback from the scales?
the normal pid
or what do you mean
the input to EMC - how does EMC get position data for the monitor to display XY position
do you mean with the feedback if the axis are calibrated?
then we have this done
I'm wondering how it's being done
we moved the slide to first position and then to the last... then look to the counts and diveded this trough the length
so it is 200
every 5 µm one impuls
ok, so you're using the "encoder" hal component for that?
does it have A,B signals that you connected to an input card that counts encoder pulses?
ok. then you may be able to use PID to control this :)
but how to configure?
some scales have very slow update rates, since they're used for display only
at the moment we have 10 for p, 0 for I and D
and the slide jumps a litte bit
I'm not sure what the response of pneumatic cylinders is, so I can't tell you much about tuning
and then EMC says joint error or so
cradek - thanks for the heads up - just found the menu entries in axis
yes. while tuning, you should increase FERROR in the ini file
it is 100 ;)
is the scale set correctly?
INPUT_SCALE should be 200 (from what you said)
scale from the axis or from the encodeR?
in the ini file
both are set to 200
how far does the cylinder move before you get the following error?
how can i say the axis should move 100mm or so?
in the axis dialog is only a list from 0,1 0,01 and 0,001 mm
one more question - is there a MIN_FERROR setting in your ini file?
yes it is
what is that set to?
ok. that's the problem. for the moment, comment or remove the MIN_FERROR setting
what does this mean?
emc has a variable following error. it starts at MIN_FERROR (at 0 speed) and goes up to FERROR at top speed
if you don't specify MIN_FERROR, then emc uses FERROR all the time
i go to try
have fun :)
wait... i come again :)
SWPadnos: methylene chloride, that's all i want...
50ml would be plenty
Just use desoxyephedrine
* fenn stomps off in search of cookies
i am back
[15:41:09] <floppy123> http://www.imgbox.de/?img=i21321s80.png
here... this is my screenshot....
very strange things :)
why stay the encoder 1 position on 0?
the slide has moved
you need to make sure that all the scales are correct in the ini file before tuning
you may have already done this
why is the green signal so choped?
yes i have done
this will be hard for OUTPUT_SCALE, since the correlation with PID command may not have any relation to position or velocity - it seems to me it's more like a torque command
i have no clue
me either :)
how can i solve the problem?
i have the configuration from emc2-etch-servo and have adapted
there may be others that can help you more, but I think you'll need to experiment a bit
you said you can control the valves with HAL now - the next step would be to try to control velocity
i gonna try
you might want to set up a test environment that isn't EMC - just use a HAL setup
thank you ;)
good luck - come back if you have questions or you find out anything interesting :)
I bet hydraulics are much touchier than motors to tune - they can't possibly be as linear
yeah - I think if he's lucky, it'll be close to torque mode for servos
but valves are likely to be very nonlinear - you get lots of push but no air volume with a small opening, and no more push but more available air (so more sustained velocity) as you open further
hey - it worked again
feel the powah!
I got the powah
you're enjoying this, aren't you?
damn. I lost the powah
run failed redo from start
I've never felt so...harmonic
SWPadnos: lostirc problem
I had a little accident during last Saturday's tai chi lesson
so it'll probably take a bit longer for the tilted-arcs patch to 'emerge'
unless, of course, the Redundant Two have beaten me to it
maddash: I assume that you do one of the more self defense styles of tai chi.
ooh my new-to-me digital scope came
I like it so far -- I've had a bunch of fun triggering on the AC test waveform :-P
hi, im new here
I want to build an 8 axis vmc out of cardboard, I'll be building my own stepper drives and using motors from cuckoo-clocks
* cradek kicks robin_sz
will emc run on my PDA?
err, hi robin_sz
what's gotten into you?
I was just trying to get into that newbie spirit :)
must be a wind up
$mate has just finished flushing out the Beavermill
clearing swarf and shite from the deepest corners
got over a dustbin full of swarf from what initially looked like a clean machine
apparently it had been having "issues" referencing ... there was a few kilos of aluminium behind the covers and around the home switches .. might be related
the vertical sampling resolution in one-shot mode is a little bit disappointing -- if I set it to 500mV/div and a 10x probe, it seems to have adjacent voltage values of 50mV
most digital scopes are 8-bit
I want moooore bits
archivist: not sure, probably
it's not an expensive or modern scope
mine is 8 bit
but it can oversample sometimes to bring the effective bits to 12]
I can do single shot at 12 bit iirc in one analyser a 3562a but not fast
there were some LeCroy scopes way back that were 12 bit, but usually that's done with averaging
Ive never managed to get a LeCroy yet
I think I'd get one now if I were replacing my HPs
I do have a soft spot for HP toys though
wee the download for for the 3562 manual has been fixed and works now
[18:49:54] <fenn> http://www.hanssummers.com/electronics/equipment/tinyscope/index.htm
i thought that was neat
heh - cute
fenn that name is so close to ann summers
heh i was going to make a smartass remark "who is that some porn star" but then it turns out she is a porn star :(
hehe yes skimpy underwear sales company
London High Street porn retailer, looks like
robin_sz: depends on your def of a "PDA" ;)
the UMPCs are pretty close in size and are x86 based
03jepler 07TRUNK * 10emc2/src/po/es_axis.po: fix charset
cradek: that message "50 ohm 192kb" it shows when pressing BLUE / AUTO-SCALE comes from a screen where various communications standards can be selected -- that one is ISDN I-430. Other choices include ANSI T1.102 DS1new 1.5Mb, for instance.
that explains what TELECOM OPTIONS is about
oh I see
JymmmEMC: on my new oscilloscope
jepler, it should trigger/decode then
[19:33:10] <jepler> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=220131262558
(same model & seller as I bought)
it's an 80s piece of equipment but these he is selling were clearly just removed from service -- calibration in '06, recently expired.
looks nice though
and HP usually has nice products
alex_joni: haven't done anything with it yet
jepler: I had troubles with some HP software
that's why it's not my favourite company atm
alex_joni: TE SW?
no.. printer software
I bet 80s HP test equipment is not at all like 2007 HP printers
no it isnt, its far better
the instrument part was allways the best bit
and calc too
or was at least, kind ify now
their calculators dont even LOOK good these days
I liked theyr digital cameras a while ago
the best bit is now agilent
cradek: aha, with the right choices on TIME BASE and DISPLAY, it does do >10 updates per second while triggering.
Yep. Just ordered a poster from aglient last month
free downloads of instrument manuals
jepler: seems like maybe I just never learned to use it
cradek: ask me again after I've tried to measure the same signals we measured last week on your storage scope
(analog storage scope, that is)
I bet it will work much better for that particular application
I sure hope so
yes the only good thing about that was that you got the data you wanted
are you triggering from the 1kHz calibration signal?
(or near 1 kHz)
I don't have a probe, so I'm stuck with that (and "meat antenna") as my signals until I go home
so I guess it was probeless then
that's a bummer
that was a different scope
this one doesn't have the 16-channel digital capability at all
that's a bummer
ones that did and had the pods were markedly more expensive
yeah, I can imagine
What do you do with old dead keyboards? Gut out the electronics and had it to the parrots!
I either leave them in a corner of my office for years, or throw them out
so far I'm on option 1 it seems
Parrot demolition team over here
no explosives required
we're not all lucky enough to have a fleet^Wflock of birds capable of destroying plastic parts
Not limited to plastics... You need 30 tons of sawdust.... no problem!
you don't need a CNC, just train the birds
SWPadnos: Well, I prefer the finished product to be "poop free"
hmmm. use vetical mounting - they can peck at a wall just as well as a desk
Dont walk by her with a cardboard box unless you're willing to give it up!
so the P in PID stands for "Parrot"? What are the other terms called?
Parrot Is Dining
Parrot Is Destroying
with simultaneous Parrot Is Defecating
there ya go
alex_joni: just think lube =)
lube == defectating
nah, they poop in one spot only
cockatiels around another story...
As soon as she figures out how to remove one button, that kybd is a gonner!
Heh, just checked on her.... She is still on top of the kybd bound and determined on figuring out out to destroy it!
so, here's a funny thing. it's less expensive to buy a cell phone in London than it is to rent a phone for a week from the states
not counting shipping, which you need in the states but not in the UK
SWPadnos: you can rent phones in the US ?
you can rent in the US for use in the UK (or elsewhere)
I'm looking for unlocked phones now (since I learned about them)
it's like $30/week to rent that way, but only around $16-20 to buy a phone in the UK (with pay-as-you-go airtime)
I think most if not all phones sold outside the US are unlocked
it's just hard to get one that will also work here ;)
SWPadnos: I don't talk that much, so I just use pre-paid. But I like the idea of being able to toss a sim in any phone and go.
I use pay as you go, and the good providers dont timeout the credit
yep. I got one from mobileworld, they do time out after 60 days though
SWPadnos, Tesco does not
Well, if you spend $100 with T-mobile they expire in a year.
what are their rates?
SWPadnos: most phones over here are locked
to local cell providers
$100 = 1000 minutes + exp in a year
interesting. is there a good amount of competition?
so long since I bought £10
of course you can unlock them for something like 10-204
ah - tesco, the grocery chain
alex_joni: If you buy unlocked from ebay, they usually do NOT have a US warranty
SWPadnos: we have 5 networks in .ro
I did find one that has a US warranty
ok - in the UK there seem to be about a hundred, though there are probably only 4 or 5 actual carriers
SWPadnos: I have NOT bought from them, but they have 100% feedback
I REALLY like the feel of the slider
SWPadnos: USB rechargable too
yep - like my RAZR V3c
SWPadnos: is that a flip?
SWPadnos: always kinda bugged me, the slider is really nice, one handed operation
plus there's that Matrix factor
[20:16:15] <JymmmEMC> http://www.phonegg.com/Motorola/RIZR-Z6/Motorola-RIZR-Z6.jpg
heh - phonegg
JymmmEMC: get a w880i from Sony-Ericsson
These things have ALWAYS bugged me on the phones I've had in the past:
DASHES BETWEEN AREA CODES & PHONE NUMBERS
CLOCK AND DATE ON THE HOME SCREEN
you're so american
SWPadnos: Hey, our callerid at work has no dashes, it's a PITA to figure out what country their calling from as the display sucks
the dashes are different in different countries - in fact, in large parts of Europe, phone numbers have different numbers of digits
(ie, I have a friend with a phone and fax at the same location, and the fax has one more digit)
I like that idea actually
direct dial an extension sorta thing
archivist, do you know the airtime rates for tesco when calling from the UK to the USA?
JymmmEMC, I don't think that's what it is, but that is a cool idea
archivist, ok. that was what I chose mobileworld - UK->US calls are 5p, all incoming is free, UK->UK (land or mobile) is 15p
something like 5 or 10p per txt outbound, I think inbound were free (could be wrong on that)
SWPadnos, I dont use the phone enough to worry about the prices (and never abroad)
SWPadnos: Yeah, if your in the garage or something you could just dial '3' to reach the kitchen or whatever
heh - I'm always abroad when I'm in the UK :)
get me a broad
* JymmmEMC hands archivist SWPadnos
archivist, where are you located?
ok - a bit north and west of London then?
(a bit = 50-100 miles, I guess)
heh - ok
holiday or work
with some work thrown in for bad measure
cool phone: http://www.phonegg.com/Seamless/S-XGen/Seamless-S-XGen.html
latest and greatest CAM algorithm: http://imagebin.org/9671
needs just slightly more work :)
awallin, seems to be reaching for the floor /me worries about the milling macine
heh - looks like a lot of Z for that model ;)
maybe there's a bug or two left
yeah! it does work for two perfectly level triangles though.
Heh, the title... broken CAM algorithm...
so 3D surfacing, but only if your surfaces are along the XY plane :)
Yeah, I want to buy from these guys, See: Canada Shipping. http://cgi.ebay.com/NEW-Black-Motorola-Z3-RIZR-CELL-PHONE-UNLOCKED-GSM-CD-C_W0QQitemZ230155313234QQihZ013QQcategoryZ64355QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
not the pricing, the policy
if only we had GSM service here
(and in 75% of the rest of the country)
SWPadnos: none in VA ?
dunno about there, I'm in VT
you still enede analog in a lot of places here
wait a sec, isn't the 800 analog?
all those bands are GSM
they say so :)
ah CDMA, gotcha
analog does use 800-something also
we actually have EVDO here, but it's Verizon-only
I have Verizon, which means it's harder for me to get a phone that will work both here and abroad
[20:46:33] <JymmmEMC> http://www.t-mobile.com/coverage/
SWPadnos: It says it has coverage, and there is no roaming on Tmobile
they're using the Verizon, Cingular, or Unicel lines - I'm pretty sure they don't have GSM coverage here
SWPadnos: Right, but there is no fees for roaming on tmobile
but you still need a phone that can connect to this network
SWPadnos: You use their network to connect to tmobile
hmmm. zooming out a lot, it does look like they may have service here
SWPadnos: On GSM, they allow you to use other carriers towers
that only helps if the other towers support GSM ...
if you have a GSM-only phone
SWPadnos: hit walmart, buy a $40 prepaid phone and return it if it doesn't work
[20:51:26] <JymmmEMC> http://www.t-mobile.com/shop/phones/prepaid.aspx
I have a phone that works great here :)
it's the UK I'd have trouble in
though I can get a CrackBerry that works here and there
get a quad band phone
and a local sim
SWPadnos: I bet if you asked around, you would find if GSM was available
awallin, is that some standard curve fitting algorithm that your using
archivist: it's called (informally) "drop-cutter"
you drop down the cutter along the z-axis until it touches a triangulated model
I did a curve fit some years ago using standard calcs from books and found they broke for certain curve situations
I ended up using more than one fit depending on where I was
in principle this should be pretty robust. there's just some bug in the code...
I was getting graphs not to disimilar
was running out of float accuracy iirc
yeah, roundoff errors are not something I look forward to working with
or pentium math bugs
it would be interesting to run the same on a different architecture to check for that
* awallin needs to sleep now...
awallin: what for?
yeah, after all I did some sleeping yesterday - that should be enough
well.. that counts as last month
awallin: you do some astro photography.. right?
[21:17:43] <alex_joni> http://eneas.juve.ro/~juve/download5%20871.jpg
* alex_joni does the same thing
good night all
firstname.lastname@example.org PASS= ???? (help please)
I'm trying to get 2.1.6 stable from cvs BUT Cervisia is asking for a password, which is ???? (please advise)
try nothign for the pw
[21:44:10] <JymmmEMC> http://cvs.linuxcnc.org/cvs/
or your emaill addy
Host key verification failed. and checkout aborted
mihk: use "anon" as the login name. no password should be ncessary
the first time you check out source, you should be asked to accept a new host identification; after that it should never change.
I'm trying in console now. Cervisia didn't worked.
I don't know anything about cervisia
it is for lazy people.
I trust these instructions together with the commandline cvs client: http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Installing_EMC2#Getting_the_source_with_CVS
if cervisia has an option to use an existing CVS check-out, it's possible that after you check out once from the commandline you can try using it again
it works now
grrr excuse my lang.
mihk: I installed cervisia and I got a similar experience to yours. After I made sure I had the public key for the CVS server (doing a commandline checkout is one way, doing "ssh email@example.com" is another)
darn, I missed him
that makes two GUI programs reported in the last week that throw fits over ssh-over-cvs
don't forget tortoise
well, you can forget it if you like
forgetting is an option!
non-ideal, but an option!
see, GUI programs are evil.
and as such, you really need to write a non GUI UI for EMC to make it less evil ;)
it's done: halcmd
jepler: is clear text anon (read-only) such a big deal?
JymmmEMC: using ssh for everyone means that non-registered developers can also trust that they've contacted the "real" cvs.linuxcnc.org, among other advantages
jepler: Yeah, ok. I can see that. I guess also if they covert to RW later on, their initial DL would also be "secure" as well.
they'd have to re-check out or do some sed magic on CVS/Root (or some other CVS/ file)
is the key posted on the website somewhere too?
or at least the key sig
the user name is stored in the CVS/ dir, and would be anon from an anonymous checkout
I few a couple of folks that can do MITM in under 4 minutes if the key isn't already obtained =)
Man in the middle attacks
man int he middle
Is this on the wbesite somewhere? DSA key fingerprint is 5b:b7:3d:04:9d:dd:86:ad:dc:c6:78:81:d4:3d:05:8e.
err - ssh firstname.lastname@example.org ...
~$ ssh cvs.linuxcnc.org
The authenticity of host 'cvs.linuxcnc.org (188.8.131.52)' can't be established.
DSA key fingerprint is 5b:b7:3d:04:9d:dd:86:ad:dc:c6:78:81:d4:3d:05:8e.
Are you sure you want to continue connecting (yes/no)?
hmmm. I'm not sure where to find out if that's the correct fingerprint
we should have printed it on the cheatsheets :-P
SWPadnos: Yeah, that's what I'm talking about. If it's on the wbesite, it MIGHT help
I still have a bunch - maybe I should magic marker it in there
SWPadnos: label maker
and too uniform
jepler: IS that the right sig or did I get hax0red already?
you could always switch to using kerberos v
add some lights and make it street legal =)
err water-proof lights
JymmmEMC: if your friends are working to MITM you, nothing i can say on IRC could convince you that you have the right DSA fingerprint
however, the fingerprint I saw on my screen is the correct one
jepler: No, I just KNOW those that are "telented", I know where they live, so if they wanted to try something....
I nark em off to their moms/wives/gf's
Nuttin worse than getting scroned by the female in your life =)
I'm interested in making a pc-free step/dir generator with speed/feed rates. But I was wondering how difficult it would be to add something like simple shapes to it? Say you enter in a diameter for a circle, and then hit start. Complex? not enough room/speed in a uC? something else?
depends on the uC
it depends. Atmel also makes 32-bit ARM microcontrollers
and the AVR32
Ok, no SMT's. That should narrow it down =)
SWPadnos: Ok, what would you use/suggest?
an SMT part :)
SWPadnos: Ok, I'll ship it to you for attachment =)
SWPadnos: (SMt seriously?)
actually, it's probably not the microcontroller that will be the problem. hold on a sec
I want enough I/O for 4axis, an 2x16 or better LCD, switches, keypad (?), a pot or two, and a few for any triggers (limit switches).
generating a constant velocity circle with a microcontroller isn't simple, or it isn't fast
why not fast?
ah, no biggy
the easiest thing to do is just use sin/cos to calculate points
which most uC don't have fp
but that's slow as hell - 8-bit microcontrollers are rated in dozens or hundreds of FLOPS if you're lucky
no microcontroller that I know of has FP
well how about 10IPM circle?
there's some fixed point, and you can do fixed point math as though it were integer, for the most part
would 10IPM be pushing the limit?
it makes no difference how fast you want it to go
the position update rate is the important thing
ok, scratch the simple shapes. What about a step/dir gen with speed control?
you'd just add less to theta every loop if the speed is lower ...
lines are OK, even in 3D/4D
[23:42:25] <SWPadnos> http://www.cncgear.com/MPG/
that has no analog, two channels of step generation, an encoder input for speed control, and start/stop/fwd/reverse switch inputs
SWPadnos: your creation?
there's a serial port, and an expansion header for another encoder/display
you can set ranges with two jumpers (15k, 25k, 35k, 45k) and the speed is set in 1% increments with the encoder knob
runs off 9-36V, and the software can probably be changed to directly drive a single unipolar 4-phase stepper
SWPadnos: how much?
up to 1.5A or so per phase
oh, it's a driver too?
sort of a driver - unipolar, transistor drive
4 outputs, all connected to PWM hardware, so they run without software latency problems
$200 each, with encoder
(the encoder is $20 or so by itself)
ah, didn't realize it has encoder inputs
not for motor feedback, for a user knob
knob on box?
[23:47:57] <SWPadnos> http://www.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=GH6102-ND
that's the speed setting knob
the display shows the current speed setting, in percent
ah instead of using a pot
this was intended to serve as a power feed on a mill, so the speed setting needs to be accurate - analog can drift around a bit
basically a step between manual power feed and CNC with geckos
I gotcha. I was thinking dialing in a speed on the LCD
right - this just has an LED for that :)
If it wasn't for blind old farts that need 4" readout, a 2x16 LCD would work great
I think I offered LCD on this, but the customer specifically wanted something that could be seen from more than 2 feet away
heh, like I said...
well, it's more of a lighting thing than size ...
Do you think a uC could do 50K microstepping?
but not in software, if it's also got to talk to something
at least, not with perfect pulse generation
SWPadnos: My drives do 50K, just been curious about it
well, let me rephrase that - if there are no other interrupts enabled, a uC could do 50k steps/sec in software reliably
I'm tlaking a pc-free thing here
here's something you might like: http://www.mesanet.com/parallelcardinfo.html
there's software in a microcontroller, too
SWPadnos: Ah, I also consider that FW (even if the term isn't correct)
Well shit... why is everyone going for the 5120 instead of the 7i43?
I think it would be relatively easy to make something that can do what you want, but I'm not sure the resulting cost would be less than a cheap PC
because the 7i43 was just introduced, and it's not available yet
and it's connected via the parallel port
Any plans on emc doing USB?
there are discussions, but USB doesn't fit into the whole feedback thing very well
why not? 480MB/s
it's not throughput, it's latency
on the usb bus?
USB has a 1KHz cycle rate - that's it
fscking USB and it's damn polling
USB2 allows for 8 microframes inside each 1ms frame, but I'm not sure how those are arranged
so you end up with 1-2 ms latency from feedback to new command
= bad shit
well, I've got to get back to work. see you
what about serial?