[Emc-users] Mesa 5i23 & 7i39 - possible damage?

[Viesturs Lācis]

Hello!

In my attempts to understand, why I cannot get my diy output driver
for switching the laser power on/off, I discovered that 5i23's gpio
pins aru pulled up to only 3,3V, not 5V, when turned off, so there is
1,7 V still remaining supplied to optoisolator.
There are jumpers on 5i23 that determine, if pins are pulled up to 3,3 or 5V.
I have 7i39 card attached to the same connector. Is there a chance for
possible damage for 7i39, if I will set that connector to pull up all
pins to 5V instead of 3,3V?

Viesturs

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Re: [Emc-users] MESA questions

[Andrew]

2012/1/27 Peter C. Wallace 

> > I found freeby.mesanet.com/SVST6_6.BIT, is it the last version?
>
> Dont think its for a 7I43. What size 7I43 do you have?
>
> 400K

Andrew
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Re: [Emc-users] OT about product names was - About the board, .....

[Viesturs Lācis]

2012/1/27 Sven Wesley :
>>
>>
>> >
>> >And the small but popular car Honda Fitta that just after its release was
>> >renamed to Jazz (Fit in the US).
>> >In Scandinvaian countries, "fitta" is another word for... ...pussy.
>>
>> Worse - Mitsubishi called their 4x4 - Pajero
>>
>> Translate to Spanish - Masturbator :)
>>
>> Steve Blackmore
>>
>
> I can assure you that "fitta" in my country is far worse than masturbator
> in Spain. The English word "cunt" is close in comparison. :)

Ok, once we started sharing these:

Everybody knows Windows Vista.
Vista in Latvian is "hen" (grown-up female chick).

Fiat had a car model named "Uno".
It was not very popular in Finland, because AFAIK "Uno" in Finnish is
"stupid person".

Viesturs

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Re: [Emc-users] Open letter to the EMC Board of Directors

[Dave]

Hi Seb,

I can appreciate your comments.

I think I brought up the money thing first.

I never thought that anything as formalized as a treasurer was required.

My feeling...  If you put up a server on your own dime and you keep the 
build bot alive and I use it, and I see a donate link on the website , I 
will probably toss you a couple of bucks.

When your Paypal account gets sufficiently full you can turn off the 
link... or not.   I really don't care either way.

Its up to you what you do with the $.I appreciate you keeping things 
running.

That is what I was thinking of.  No untangling required.


Dave

On 1/25/2012 3:53 PM, s...@highlab.com wrote:
> I am not a board member or anything official, I'm just some guy who hacks on 
> linuxcnc sometimes.  I speak for myself.
>
> I've been following this thread since the start, and there is a disconnect 
> between what people are asking for and how i think this project works.
>
> People are saying thing like:
>
> "What's the road map of features for future releases?"
>
> "What features should/shouldn't I work on?"
>
> "Who holds the Treasurer position?"
>
> "How do you assign tasks to developers?"
>
> These kinds of questions make no sense in my mental model of the project.
>
> This is not a company and I am not an employee, so nobody gets to tell me 
> what to do.  I'm a volunteer and I do this because I like our community, and 
> machining, and programming.  I'm doing this for fun, in my spare time that I 
> could be doing other fun things of my own choosing.
>
> If someone wants to make a roadmap, or a list of features they want, or a 5 
> year plan of what they think everyone should work on, that's fine by me - but 
> it doesnt really affect me, and it doesnt change what I'll do tonight after i 
> tuck my kids into bed.
>
> I have a list of things *I* want to do to the linuxcnc project, but I'd never 
> dream of telling anyone to work on them.  It's not my place to tell folks 
> what to do.
>
> I do not publicise my todo list because I'm afraid that doing so might make 
> people impatient for the tasks to be finished, and the pressure of that 
> public expectation would diminish my enjoyment of doing the work.  I have 
> enough schedule and pressure in my day job and other parts of my life, I dont 
> need any more!  That's not what I'm here for!
>
>
> I have never read the "Board of Directors Terms of Service", and until people 
> in this thread started talking about  it I didnt realize we had one.  I will 
> not go read it now, because I don't care.  To me, this project works well, 
> and legalese bores me.
>
>
> I run my part of our infrastructure on my dime because I happen to have the 
> equipment and skills and interest to do it, and i think it makes our shared 
> project better.  I have no interest in trying to untangle the expense of it 
> from the rest of my household expenses and requesting a reimbursement from a 
> project treasurer.  I dont know if we even *have* a treasurer, and if we do i 
> dont want to spend my open-source hacking hour talking about bills.  I'd 
> rather just hack.
>
>
> That's  where I'm coming from.
>
>
> - Reply message -
> From: "Sven Wesley"
> Date: Wed, Jan 25, 2012 05:12
> Subject: [Emc-users] Open letter to the EMC Board of Directors
> To:, "Enhanced Machine Controller 
> (EMC)"
>
>
>>
>> Andy,
>>
>> Understandable.  The paypal link could be set up so that it could be
>> turned on when funds are needed and turned off when the funding is met.
>> The treasurer would have to stay on top of that though.
>>
>> Mark
>>
>>
>>  
> This must be the most wide spread discussion in ages at this mailing list,
> forums, lists, bills, credits... Doesn't matter, it just shows that even
> the silent people can speak (which also is a Chinese saying). :)
>
> If you guys think that the internal forum works well so be it. To me it's
> not better at all than (for example) cnczone or the mailing list. One board
> all questions, and that makes the mailing list superior. And unfortunately,
> there were many broken links to the forum before. Cnczone being commercial?
> There's no secret I'm a moderator at the zone. There's no secret a page
> with 140 000 members need better servers than "our" page. Of course there
> will be banners. Stating that it's a bad idea because the site might go
> pay-to-view based - will not happen. Why on Earth would you bite your own
> feeder? IF that happens, I'm the first guy to leave the site. We're lucky
> that someone supports the LinuxCNC (formerly known as EMC2) community with
> CPU and storage. So who will pay it otherwise? A paypal account seems to be
> a good idea - at first. How should the board/community handle the scenario
> when a "supportive company" transfers $ 100 000 and after a short while
> demands to get their requirements sorted out? Who will be responsible for
> the book keeping? What should happen if there's more money than needed?
> What should happen when there's LE

Re: [Emc-users] Capacitive encoders

[Tom Easterday]

On Jan 26, 2012, at 9:09 PM, Greg Bernard wrote:
> Has anyone had experience with capacitive encoders?  I found these while 
> browsing CNC4PC:  
> http://www.cnc4pc.com/Store/osc/product_info.php?cPath=64_78&products_id=363 
> They seem to be very affordable.

Yes.  They work just fine.  We just completed a servo motor gantry machine that 
has these encoders on 3 of the 4 joints.  I have also used them on stepper 
motors on a small mill for detecting faults (if I lose steps) and for it's DRO. 
 

During our tuning of the servo system we observed a small position error at 
beginning and end of acceleration while jogging (an error of about 0.003").  
Jon Elson posted that he had observed this behavior with the CUI AMT-102 
encoders and that it was due to their interpolation of the data not being as 
robust as other encoders.  If you search the list archives for the "Subject:  
Encoders" and Jon Elson and CUI you will find it. However, firstly, if you 
run into this problem CUI claims you can improve the time constant by removing 
a jumper (at the risk of increased signal noise).  See CUI link below.  We 
removed this jumper and did see a small improvement in the error on initial 
acceleration and the blip mostly went away on deceleration.   But we still had 
a very small position error (less than 0.002") so we decided to buy a US 
Digital Optical Encoder (see US Digital Link below) and try it on our X axis.   
 It turns out that US Digital makes a version of this encoder that is pin 
compatible with the CUI encoder so it was a very easy thing to swap out.If 
the US Digital Encoder improved things at all it was barely perceptible 
(certainly less than 0.001).  We still have a very tiny blip at the start of 
acceleration even with the US Digital device.  The USD encoder was almost 3 
times the price of the AMT encoder.  While we kept the US Digital one on the X 
axis, if I had to make a choice I would go with the CUI encoders due to their 
price.

There is one thing about them that leaves a bit to be desired.  They attach to 
a motor shaft using a plastic collar.  You get a bunch of different size and 
you pick the one for you motor shaft size.  While these work ok, they aren't 
always the tightest fit.  We had some tuning issues early on with the servo 
machine and Mariss at Gecko suggested that we put a drop of super glue on the 
collar (at the shaft) in the little channels there.  I did that, and on one 
axis it made a large improvement.  I think during quick acceleration it was 
slipping a bit.  The collar was stuck well on there with the glue,  but it 
didn't take a whole lot of prying to get it off when we wanted to try the US 
Digital encoder - the super glue works up to a point on smooth metal.

BTW, Digikey also sells them as well, and for a bit less:  
http://search.digikey.com/us/en/products/AMT102-V%20KIT/102-1307-ND/827015

CUI Link:  http://www.amtencoder.com/Resources/Frequently-Asked-Questions#3
US Digital: http://www.usdigital.com/products/encoders/incremental/rotary/kit/e5

Tom


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Re: [Emc-users] Capacitive encoders

[Jon Elson]

Greg Bernard wrote:
> Has anyone had experience with capacitive encoders?  I found these while 
> browsing CNC4PC:  
> http://www.cnc4pc.com/Store/osc/product_info.php?cPath=64_78&products_id=363 
> They seem to be very affordable.
>
>   
Yes, they look real good until you put them in a servo loop.  They have 
a lag in responding to
acceleration.  You can look back in the archives and see some discussion 
of this.
What I found is they can lag as much as 3-5 ms in responding to 
acceleration, and
then produce velocities that greatly exceed the actual velocity so the 
position can
catch up.  Therefore, servo tuning can be difficult.  I put one of these 
encoders
on the same motor shaft as an old HP optical encoder and compared them in
EMC2 and Halscope.

Jon

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Re: [Emc-users] [OT]Moveing pcb-gcode generated files to the milling machine=huge PIMA

[gene heskett]

On Thursday, January 26, 2012 09:53:54 PM Mark Cason did opine:

I took this private since its OT.

> On 01/26/2012 11:52 AM, gene heskett wrote:
> > Sorry to hear that, living on what "they" think you ought to be able
> > to live on sucks, big time.
> 
>I live ok on it, but, it's the unexpected thing that really throws a
> wrench into things.
> 
> >> I also have the spindle apart, to put new bearings in, and to
> >> 
> >> redesign the convoluted way of moving it.  Wayyy too much slop,
> >> the pinion would occasionally jump a tooth on the rack.
> > 
> > Yikes.

Now you have me wondering what the drive looks like on my 7x12.
 
>The pinion is a 14 tooth module 2 spline, which barely meshes with
> the tips of the teeth on the rack.  when I get my check next week, I'm
> going to order 2 - 15 tooth, and 2 - 16 tooth gear sets, to see which
> set fits better.  Then I will machine a new shaft to hold them.  Later
> on, I will machine a new pinion to fit.  As for the leadscrews, I may be
> able to make some TR24x3 nuts, and lap them until they fit the
> leadscrew.  Not optimal, but cheaper than ballscrews.

I fear I will have to do something similar to the table screws in my mill.  
Commercially available nuts are all 10x bigger than the cast iron blocks in 
there now.  I need to design something that puts more threads in the nuts 
so that the wear rate is more reasonable, while still not taking up any 
more room vertically.  The thought has come that I should buy 2 spares, and 
use them both, but with the inside one floating on the ends of a pair of 
cap screws all the way through the one you can see so they can be pushed 
apart to take up the slack.  Cap screws would give an allen head where the 
existing jack screws are just slotted set screws and damned hard to get a 
screw driver into them.  That's the thought anyway.
 
>The spindle has a MT3 taper, but I've been considering re-machining
> it to accept either CAT30 holders, or something like Kwik Switch, or
> SPI.  Then, I will have the ability to build a tool changer later on.
> By then, I might actually get some code out of Heeks, that gives me a
> part that somewhat resembles what I've drawn.

Heeks ISTR has been abandoned & Dan is telling folks to use freecad.
 
[...]

> > One could say I had a bit of a head start on a nix like os as I've
> > been running os9, now nitros9, on various trash-80 color computers
> > since about '85.  Not near as much security inherent in it, and the
> > scheduler is very simple but it was/is a great teacher, one of them
> > is running in the basement right now.  I can safely say that the
> > uptime for all the windows box's I've ever owned is probably under 24
> > hours, total.
> > Generally I build my own and the linux install dvd/cd is all they ever
> > see in the dvd reader.
> 
>In high school, circa 1983, I cut my teeth on a TRS-80 Model III.
> Learned BASIC on that machine.
I wrote some transmitter remote/ ATS software for the Z-80 but came to the 
conclusion its architecture was hopelessly broken by its lack of anything 
like a conditional long branch, so you had to write all your conditionals 
upside down so the failure then took the next instruction which was the 
long branch you needed.  Confused the hell out of me at the time, about 
'81.

> 2 - 360K 5-1/4" floppies, and a serial
> connection to a master computer, witch had a whopping 5MB hard drive.  I
> played around with the CoCo's, but by then, I was in College, and using
> early IBM PC's.  After College, I was a Vacuum, and Transportation tech.
> maintaining cryopumps, targets, and rail systems, on sputtering machines
> that made hard drive platters...  Before it was all moved to Malaysia.
> Then, I became a robotics tech for a large multi-national corporation,
> mainly working with PLC's (AB, and Modicon), industrial computers, and
> custom computers running QNX.  There, I used OS/2 with Win3.1 on the
> desktop.  The other company standardized on Mac SE.
> 
>I used my own version of Linux for a couple of years, and it ran
> really fast, with uptimes measured in months.  But, it became a full
> time job just keeping up with all of the security issues, so I switched
> back to Red Hat, and then Fedora.  Now I'm running Ubuntu 11.10, but, I
> think that this is my last version of Ubuntu for full-time use.  My old
> laptop, with 10.04, could go for 30, or more days between reboots, and I
> only rebooted for kernel updates.  My new one, ran fine on 10.04, but
> some of the hardware was too new for it.  11.10 crashes daily, and
> things changed so much between the two versions, that I'm throughly
> pissed off with it, even after kicking Unity to the curb.  I'm not sure
> whether to go back to Fedora, or find something else.  Something with
> low dependency hell.

That isn't pclos then, it gets its long uptimes by simply not having the 
dependency hell software available in its repos.
 
>OH, and I never really liked Emacs, I use Vim, a

Re: [Emc-users] OT about product names was - About the board, .....

[Sven Wesley]

>
>
> >
> >And the small but popular car Honda Fitta that just after its release was
> >renamed to Jazz (Fit in the US).
> >In Scandinvaian countries, "fitta" is another word for... ...pussy.
>
> Worse - Mitsubishi called their 4x4 - Pajero
>
> Translate to Spanish - Masturbator :)
>
> Steve Blackmore
>

I can assure you that "fitta" in my country is far worse than masturbator
in Spain. The English word "cunt" is close in comparison. :)
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[Emc-users] Capacitive encoders

[Greg Bernard]

Has anyone had experience with capacitive encoders?  I found these while 
browsing CNC4PC:  
http://www.cnc4pc.com/Store/osc/product_info.php?cPath=64_78&products_id=363 
They seem to be very affordable.

-Greg
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Re: [Emc-users] pinout and hookup questions

[Greg Bernard]

Chris-
I am using the KL-4030 drivers but with the C-10 breakout which I believe is 
the same as the C-35 with screw terminals rather than RJ-45 connections. It's 
been a couple of years since I set mine up but I do remember I got confused 
about jumper settings and couldn't get any movement. Unfortunately I'm not near 
my machine now but if you think it would be helpful I can send my configuration 
files tomorrow.

Good luck,
Greg





>
> From: Chris Reynolds 
>To: "emc-users@lists.sourceforge.net"  
>Sent: Thursday, January 26, 2012 5:27 PM
>Subject: [Emc-users] pinout and hookup questions
> 
>I recently purchased a cnc4pc C35 breakout board and three KL-4030 drivers for 
>my milling machine. I've got everything hooked up at the moment but I'm not 
>getting any motion out of the motors at all. I'm not using the RJ45 connector 
>on the driver end of the cable because I screwed up when ordering parts and 
>didn't get enough of the quick connect boards. I think I have the pinout right 
>but again I'm not getting any motion out of the motors. I was wondering if 
>anyone has had any experience with these components and if they have any 
>suggestions on wiring or emc settings. 
>
>thanks,
>Chris
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Re: [Emc-users] [OT]Moveing pcb-gcode generated files to the milling machine=huge PIMA

[Mark Cason]

On 01/26/2012 11:52 AM, gene heskett wrote:
> Sorry to hear that, living on what "they" think you ought to be able to
> live on sucks, big time.

   I live ok on it, but, it's the unexpected thing that really throws a 
wrench into things.

>
>> I also have the spindle apart, to put new bearings in, and to
>> redesign the convoluted way of moving it.  Wayyy too much slop, the
>> pinion would occasionally jump a tooth on the rack.
>
> Yikes.

   The pinion is a 14 tooth module 2 spline, which barely meshes with 
the tips of the teeth on the rack.  when I get my check next week, I'm 
going to order 2 - 15 tooth, and 2 - 16 tooth gear sets, to see which 
set fits better.  Then I will machine a new shaft to hold them.  Later 
on, I will machine a new pinion to fit.  As for the leadscrews, I may be 
able to make some TR24x3 nuts, and lap them until they fit the 
leadscrew.  Not optimal, but cheaper than ballscrews.

   The spindle has a MT3 taper, but I've been considering re-machining 
it to accept either CAT30 holders, or something like Kwik Switch, or 
SPI.  Then, I will have the ability to build a tool changer later on.  
By then, I might actually get some code out of Heeks, that gives me a 
part that somewhat resembles what I've drawn.


>>> There was a time when I dreamed in 6809 assembly.  So I know well how
>>> that works.  :)  Like you, now I write system daemons in bash. Except
>>> for its lack of floating point operations, its a pretty good OS (but
>>> don't tell that to an emacs fan) :)
>> BASH not directly handling floating point, is IMO it's only major
>> drawback.  I still have a few old bash scripts on my system, that are
>> over 100,000 lines long, and I use that same perl script throughout them
>> for math calculations.
>>
>> They are Linux installers, that will completely create a custom OS,
>> from source, calculate the time that it took to install each program, as
>> well as the percentage of time it took compared to the first program
>> that was created, and give me feedback, with fancy colored output.  All
>> this from a bare command prompt, no X required.
>>
> Neat!
>> I had been using Linux for 2 years, before I even looked at
>> installing X.
> One could say I had a bit of a head start on a nix like os as I've been
> running os9, now nitros9, on various trash-80 color computers since about
> '85.  Not near as much security inherent in it, and the scheduler is very
> simple but it was/is a great teacher, one of them is running in the
> basement right now.  I can safely say that the uptime for all the windows
> box's I've ever owned is probably under 24 hours, total.
> Generally I build my own and the linux install dvd/cd is all they ever see
> in the dvd reader.

   In high school, circa 1983, I cut my teeth on a TRS-80 Model III.  
Learned BASIC on that machine.  2 - 360K 5-1/4" floppies, and a serial 
connection to a master computer, witch had a whopping 5MB hard drive.  I 
played around with the CoCo's, but by then, I was in College, and using 
early IBM PC's.  After College, I was a Vacuum, and Transportation tech. 
maintaining cryopumps, targets, and rail systems, on sputtering machines 
that made hard drive platters...  Before it was all moved to Malaysia.  
Then, I became a robotics tech for a large multi-national corporation, 
mainly working with PLC's (AB, and Modicon), industrial computers, and 
custom computers running QNX.  There, I used OS/2 with Win3.1 on the 
desktop.  The other company standardized on Mac SE.

   I used my own version of Linux for a couple of years, and it ran 
really fast, with uptimes measured in months.  But, it became a full 
time job just keeping up with all of the security issues, so I switched 
back to Red Hat, and then Fedora.  Now I'm running Ubuntu 11.10, but, I 
think that this is my last version of Ubuntu for full-time use.  My old 
laptop, with 10.04, could go for 30, or more days between reboots, and I 
only rebooted for kernel updates.  My new one, ran fine on 10.04, but 
some of the hardware was too new for it.  11.10 crashes daily, and 
things changed so much between the two versions, that I'm throughly 
pissed off with it, even after kicking Unity to the curb.  I'm not sure 
whether to go back to Fedora, or find something else.  Something with 
low dependency hell.

   OH, and I never really liked Emacs, I use Vim, and I keep a term 
window open full time on my computer.  For me, it's easier to type 
something, than click through multiple menu's to find something.

-- 
-Mark

Ne M'oubliez   ---Family Motto
Hope for the best, plan for the worst   ---Personal Motto


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Re: [Emc-users] AMD Hudson processor

[gene heskett]

On Thursday, January 26, 2012 08:21:02 PM Eric Keller did opine:

> I was wondering if anyone had tried the AMD low power processors like
> the following:
> http://www.newegg.com/Product/Product.aspx?Item=N82E16813135290
 
Following that particular link, that motherboard hasn't a parport at all.
For me at least that is a total showstopper.

> My current desktop is a dual Athlon, and it had really good latency
> numbers.  My understanding is that the low power AMD chips are just
> de-clocked desktop chips, so they should also be good, but I'd like some
> confirmation.
> 
> I might just go ahead and try it anyway, I'm sure I can use it for
> something.
> Eric
> 
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Cheers, Gene
-- 
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My web page: 
Now I lay me down to sleep
I pray the double lock will keep;
May no brick through the window break,
And, no one rob me till I awake.

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Re: [Emc-users] MESA questions

[Peter C. Wallace]

On Wed, 25 Jan 2012, Andrew wrote:

> Date: Wed, 25 Jan 2012 23:13:51 +0200
> From: Andrew 
> Reply-To: "Enhanced Machine Controller (EMC)"
> 
> To: "Enhanced Machine Controller (EMC)" 
> Subject: Re: [Emc-users] MESA questions
> 
> 2012/1/25 Peter C. Wallace 
>
>>> Thanks! I probably stick to 7i43 as I already have it. Which firmware
>>> should I use here?
>>>
>> SVST6_6
>>>
 Which 5i23 firmware goes for both cases?
>> Both would need a new firmware files (SVST12_12_7I52S, SVST12_12_7I47)
>>
>> Thanks, Peter! Just ordered 7i48.
> I found freeby.mesanet.com/SVST6_6.BIT, is it the last version?

Dont think its for a 7I43. What size 7I43 do you have?

>
> Andrew
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Peter Wallace
Mesa Electronics

(\__/)
(='.'=) This is Bunny. Copy and paste bunny into your
(")_(") signature to help him gain world domination.


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Re: [Emc-users] Mouse pointer hidden at startup

[andy pugh]

On 26 January 2012 21:15, Lars Andersson  wrote:

> I was out yesterday to look for northern light but no luck, too hazy.

I'll be 66.5 degrees North on Monday (for 2 weeks), I'll keep an eye
on the sky for the 18 hours that it is dark.

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Re: [Emc-users] Mouse pointer hidden at startup

[Kent A. Reed]

On 1/26/2012 4:15 PM, Lars Andersson wrote:
>
>> -Original Message-
>> From: Lars Andersson [mailto:l...@larsandersson.com]
>> Sent: den 26 januari 2012 20:51
>> To: 'Enhanced Machine Controller (EMC)'
>> Subject: Re: [Emc-users] Mouse pointer hidden at startup
>>
>>
>>
>>> -Original Message-
>>> From: Kent A. Reed [mailto:knbr...@erols.com]
>>> Sent: den 25 januari 2012 21:11
>>> To: Enhanced Machine Controller (EMC)
>>> Subject: Re: [Emc-users] Mouse pointer hidden at startup
>>>
>>> On 1/25/2012 2:24 PM, Lars Andersson wrote:
 On an ASUS ATN5NM10-I mobo (selected on recommendation in this
>> list)
>>> I have
 two partitions, one with a plain Ubuntu 10.04

 and one with Ubuntu 10.04 2.6.32-122-rtai. This mobo works fine,
>> max
>>> jitter
 like 9000, I have the base thread interval set at 25000.



 At startup of the rtai system there is no mouse pointer. The mouse
>> is
>>> active
 and working, only a little difficult to position.

 If I do aF1 and then immediately aF7 the
>> mouse
 pointer becomes visible. The plain 10.04 has a mouse pointer
>> directly
>>> after
 bootup as it should.



 Anyone familiar with this? I found theF1F7
>> fix
>>> by
 Googling but found nothing on the cause.



 // Lars


>>> Lars:
>>>
>>> I haven't seen this with my ASUS ATN5M10-I using a PS/2 mouse. Are
>> you
>>> perchance using a USB mouse?
>>>
>>> Regards,
>>> Kent
>>>
>> Hi Kent,
>> yes I am using a USB Bluetooth mouse so I took a deep dive in the scrap
>> box
>> and found a PS/2 mouse.
>> The PS/2 mouse does the same thing. This fault is not a show stopper as
>> there is a workaround, just my habit of trying to fix things.
>>
>> // Lars
>>
>>
> Just found it.
>
> Driver "intel" changed to
> Driver "vesa"  removed that problem. ( But has no wide screen resolution)
>
> I was out yesterday to look for northern light but no luck, too hazy.
>
> //Lars
>
Lars:

It's good to hear you have a solution but your situation still leaves me 
stumped.

"lshw -c video" on my system reports, among other things, 
"configuration: driver=i915..." which is the Intel driver.

Just to put a nail into it, "modinfo i915" reports it is the Intel 
Graphics driver written by Tungsten Graphics.

I won't argue with success. I just wish I understood it.

We're too far south to expect seeing the northern lights even with this 
powerful storm but our local newspaper printed a gorgeous photo taken in 
Tromso, Norway.

Regards,
Kent


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[Emc-users] pinout and hookup questions

[Chris Reynolds]

I recently purchased a cnc4pc C35 breakout board and three KL-4030 drivers for 
my milling machine. I've got everything hooked up at the moment but I'm not 
getting any motion out of the motors at all. I'm not using the RJ45 connector 
on the driver end of the cable because I screwed up when ordering parts and 
didn't get enough of the quick connect boards. I think I have the pinout right 
but again I'm not getting any motion out of the motors. I was wondering if 
anyone has had any experience with these components and if they have any 
suggestions on wiring or emc settings. 

thanks,
Chris
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Re: [Emc-users] question about tapered threading (etc)

[andy pugh]

On 26 January 2012 21:55, Steve Blackmore  wrote:

>>http://pdf.directindustry.com/pdf/delectron/g-code-programming-manual/14577-33189-_23.html
>
> Andy - that is for Milling Machines.

"Typical function for lathes, can also be used in milling machines" is
what it says.

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Re: [Emc-users] OT about product names was - About the board, .....

[Steve Blackmore]

On Thu, 26 Jan 2012 19:19:42 +0100, you wrote:


>> > GM (Vauxhall) had problems in Italy with a neat compact they called the
>> > Nova

No Go .

>
>And the small but popular car Honda Fitta that just after its release was
>renamed to Jazz (Fit in the US).
>In Scandinvaian countries, "fitta" is another word for... ...pussy.

Worse - Mitsubishi called their 4x4 - Pajero

Translate to Spanish - Masturbator :)

Steve Blackmore
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Re: [Emc-users] question about tapered threading (etc)

[Steve Blackmore]

On Wed, 25 Jan 2012 10:20:22 +, you wrote:

>On 25 January 2012 08:27, Steve Blackmore  wrote:
>
>> Be MUCH better if along the hypotenuse was G33.1 and along the axis was
>> G33 (or even better G32). At least then threading would be industry
>> standard.
>
>It isn't even that clear-cut:
>http://pdf.directindustry.com/pdf/delectron/g-code-programming-manual/14577-33189-_23.html

Andy - that is for Milling Machines.

Steve Blackmore
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Re: [Emc-users] AMD Hudson processor

[Lars Andersson]

> -Original Message-
> From: Eric Keller [mailto:eekel...@psu.edu]
> Sent: den 26 januari 2012 21:07
> To: Enhanced Machine Controller (EMC)
> Subject: [Emc-users] AMD Hudson processor
> 
> I was wondering if anyone had tried the AMD low power processors like
> the
> following:
> http://www.newegg.com/Product/Product.aspx?Item=N82E16813135290
> 
> My current desktop is a dual Athlon, and it had really good latency
> numbers.  My understanding is that the low power AMD chips are just
> de-clocked desktop chips, so they should also be good, but I'd like
> some
> confirmation.
> 
> I might just go ahead and try it anyway, I'm sure I can use it for
> something.
> Eric

I tried an Advantech PCM-9363 that has an Atom dual core. Latency jitter was
not very impressive, around 15000 IIRC. Anyway, it has a parallel port.

// Lars


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Re: [Emc-users] Mouse pointer hidden at startup

[Lars Andersson]

> -Original Message-
> From: Lars Andersson [mailto:l...@larsandersson.com]
> Sent: den 26 januari 2012 20:51
> To: 'Enhanced Machine Controller (EMC)'
> Subject: Re: [Emc-users] Mouse pointer hidden at startup
> 
> 
> 
> > -Original Message-
> > From: Kent A. Reed [mailto:knbr...@erols.com]
> > Sent: den 25 januari 2012 21:11
> > To: Enhanced Machine Controller (EMC)
> > Subject: Re: [Emc-users] Mouse pointer hidden at startup
> >
> > On 1/25/2012 2:24 PM, Lars Andersson wrote:
> > > On an ASUS ATN5NM10-I mobo (selected on recommendation in this
> list)
> > I have
> > > two partitions, one with a plain Ubuntu 10.04
> > >
> > > and one with Ubuntu 10.04 2.6.32-122-rtai. This mobo works fine,
> max
> > jitter
> > > like 9000, I have the base thread interval set at 25000.
> > >
> > >
> > >
> > > At startup of the rtai system there is no mouse pointer. The mouse
> is
> > active
> > > and working, only a little difficult to position.
> > >
> > > If I do aF1 and then immediately aF7 the
> mouse
> > > pointer becomes visible. The plain 10.04 has a mouse pointer
> directly
> > after
> > > bootup as it should.
> > >
> > >
> > >
> > > Anyone familiar with this? I found theF1F7
> fix
> > by
> > > Googling but found nothing on the cause.
> > >
> > >
> > >
> > > // Lars
> > >
> > >
> > Lars:
> >
> > I haven't seen this with my ASUS ATN5M10-I using a PS/2 mouse. Are
> you
> > perchance using a USB mouse?
> >
> > Regards,
> > Kent
> >
> Hi Kent,
> yes I am using a USB Bluetooth mouse so I took a deep dive in the scrap
> box
> and found a PS/2 mouse.
> The PS/2 mouse does the same thing. This fault is not a show stopper as
> there is a workaround, just my habit of trying to fix things.
> 
> // Lars
> 
> 
Just found it.

Driver "intel" changed to 
Driver "vesa"  removed that problem. ( But has no wide screen resolution)

I was out yesterday to look for northern light but no luck, too hazy.

//Lars


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[Emc-users] OT: Building kernel modules

[Frank Tkalcevic]

I've just got a new motherboard with new generation CPU (Jetaway NC9KDL-2700
with Intel Atom D2700).  Emc works fine, but because the chipset is new, I
can't get the lm-sensors to detect the hardware.  I'd like to monitor CPU
and system temperatures, and control fan speeds.

If I get the latest sensors-detect script, which is module independent, I
detects which modules it needs (coretemp and f71882fg), but the versions in
10.04 are too old.

Is it possible to grab the source for the latest modules (coretemp.c and
f71882fg.c) and build them?  I tried, but had no luck.  

The compiler complained about missing header files, so I specified the
kernel header include paths, but then I got compile errors in the headers.

Any ideas?




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Re: [Emc-users] AMD Hudson processor

[Kent A. Reed]

On 1/26/2012 3:06 PM, Eric Keller wrote:
> I was wondering if anyone had tried the AMD low power processors like the
> following:
> http://www.newegg.com/Product/Product.aspx?Item=N82E16813135290
>
> <...>
> I might just go ahead and try it anyway, I'm sure I can use it for
> something.
> Eric
>

I'm always on the look out for something new to play with but I'm up to 
my neck in stuff already. My initial reaction to the board you name is 
its apparent lack of a parallel port, internal or external, which means 
it won't work with the controller I have now. Not that there isn't 
always a tomorrow.

Let us know what you find out.

Regards,
Kent


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Re: [Emc-users] Mouse pointer hidden at startup

[Kent A. Reed]

On 1/26/2012 2:50 PM, Lars Andersson wrote:
>
>> -Original Message-
>> From: Kent A. Reed [mailto:knbr...@erols.com]
>> Sent: den 25 januari 2012 21:11
>> To: Enhanced Machine Controller (EMC)
>> Subject: Re: [Emc-users] Mouse pointer hidden at startup
>>
>> On 1/25/2012 2:24 PM, Lars Andersson wrote:
>>> On an ASUS ATN5NM10-I mobo (selected on recommendation in this list)
>> <...>
>>> At startup of the rtai system there is no mouse pointer. The mouse is active
>>> and working, only a little difficult to position.
>>>
>>> If I do aF1 and then immediately aF7 the mouse
>>> pointer becomes visible. The plain 10.04 has a mouse pointer directly after 
>>> bootup as it should.
>>>
>>>
>>> Anyone familiar with this? I found theF1F7 fix
>> Lars:
>>
>> I haven't seen this with my ASUS ATN5M10-I using a PS/2 mouse. Are you
>> perchance using a USB mouse?
>>
>> Regards,
>> Kent
>>
> Hi Kent,
> yes I am using a USB Bluetooth mouse so I took a deep dive in the scrap box
> and found a PS/2 mouse.
> The PS/2 mouse does the same thing. This fault is not a show stopper as
> there is a workaround, just my habit of trying to fix things.
>
> // Lars

Now I'm stumped. There have been lots of cries of "my mouse pointer 
disappeared" in the Ubuntu forums but they relate to plain Ubuntu. Most 
of the answers sound like wild guesses.

Do you see this behavior even when you run directly from the LinuxCNC 
LiveCD? If you're running an installed LinuxCNC did you install it from 
the LiveCD or build it up starting with a stock Ubuntu?

(For that matter, are you in Scandinavia? Maybe the recent solar storm 
is affecting your system .)

When I get a chance I'll look more closely at my MB setup---bios 
version, bios settings, etc.---and let you know if anything comes to mind.

Thank goodness you have the workaround, but like you I like to know why 
it's needed and how to fix the underlying problem.

Regards,
Kent


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Re: [Emc-users] AMD Hudson processor

[kqt4at5v]

On Thu, 26 Jan 2012, Eric Keller wrote:

> I was wondering if anyone had tried the AMD low power processors like the
> following:
> http://www.newegg.com/Product/Product.aspx?Item=N82E16813135290
>
> My current desktop is a dual Athlon, and it had really good latency
> numbers.  My understanding is that the low power AMD chips are just
> de-clocked desktop chips, so they should also be good, but I'd like some
> confirmation.
>
> I might just go ahead and try it anyway, I'm sure I can use it for
> something.
> Eric

I would be interested to hear how this board works out
I see in reviews complaints about lack of Linux support

Richard

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[Emc-users] AMD Hudson processor

[Eric Keller]

I was wondering if anyone had tried the AMD low power processors like the
following:
http://www.newegg.com/Product/Product.aspx?Item=N82E16813135290

My current desktop is a dual Athlon, and it had really good latency
numbers.  My understanding is that the low power AMD chips are just
de-clocked desktop chips, so they should also be good, but I'd like some
confirmation.

I might just go ahead and try it anyway, I'm sure I can use it for
something.
Eric
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Re: [Emc-users] Mouse pointer hidden at startup

[Lars Andersson]

> -Original Message-
> From: Kent A. Reed [mailto:knbr...@erols.com]
> Sent: den 25 januari 2012 21:11
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] Mouse pointer hidden at startup
> 
> On 1/25/2012 2:24 PM, Lars Andersson wrote:
> > On an ASUS ATN5NM10-I mobo (selected on recommendation in this list)
> I have
> > two partitions, one with a plain Ubuntu 10.04
> >
> > and one with Ubuntu 10.04 2.6.32-122-rtai. This mobo works fine, max
> jitter
> > like 9000, I have the base thread interval set at 25000.
> >
> >
> >
> > At startup of the rtai system there is no mouse pointer. The mouse is
> active
> > and working, only a little difficult to position.
> >
> > If I do aF1 and then immediately aF7 the mouse
> > pointer becomes visible. The plain 10.04 has a mouse pointer directly
> after
> > bootup as it should.
> >
> >
> >
> > Anyone familiar with this? I found theF1F7 fix
> by
> > Googling but found nothing on the cause.
> >
> >
> >
> > // Lars
> >
> >
> Lars:
> 
> I haven't seen this with my ASUS ATN5M10-I using a PS/2 mouse. Are you
> perchance using a USB mouse?
> 
> Regards,
> Kent
> 
Hi Kent,
yes I am using a USB Bluetooth mouse so I took a deep dive in the scrap box
and found a PS/2 mouse.
The PS/2 mouse does the same thing. This fault is not a show stopper as
there is a workaround, just my habit of trying to fix things.

// Lars
 


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Re: [Emc-users] OT about product names was - About the board, .....

[Sven Wesley]

2012/1/26 John Prentice 

>
> > Babelfish translating "mist" to German is quite polite; our continental
> > members may be more graphic! The image for R-R was not what was desired.
>
> I mean, of course, translating Mist from German. -- really must Think
> before
> Send
>
> >
> > GM (Vauxhall) had problems in Italy with a neat compact they called the
> > Nova
> >
> > John Prentice
> >
> >
>

And the small but popular car Honda Fitta that just after its release was
renamed to Jazz (Fit in the US).
In Scandinvaian countries, "fitta" is another word for... ...pussy.
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Re: [Emc-users] [OT]Moveing pcb-gcode generated files to the milling machine=huge PIMA

[gene heskett]

On Thursday, January 26, 2012 12:41:36 PM Mark Cason did opine:

> On 01/26/2012 05:52 AM, gene heskett wrote:
> > Which is why it seems more better an idea to grab what is in #5063
> > after the G38.2, and apply enough math to arrive at where you want it
> > to think it is, and do a G92 Zmath-result. To keep track of where the
> > machine needs to be, back at its own referenced home position, do a
> > G92.1 to clear the offset before going back to the tool change
> > position above the gage, for the next tool change. The way pcb-gcode
> > issues those commands is consistent, so a search for the M06 T, than
> > back up 2 moves and do the G92.1 Then after the M6 T# insert "call
> > ", which will do the G38.2, process the result and apply
> > diff as G92 Z The .drill files have 5 such change places each.
> 
>I'm a visual person, I need to "SEE" something to understand what's
> needed.  Looking at the above, gives me a headache.  BUT,   I still
> think that creating a script to adjust the g-code would be easier.
> 
> >> I have a hard enough time with EMC2/LinuxCNC, as it is,  For me
> >> at
> >> 
> >> least, the only other option would be to edit PCB-GCode, but I'm not
> >> well versed in ULP files.
> >> 
> >> Due to moving my shop, and having my CNC mill sitting on the
> >> floor in
> >> 
> >> pieces due to having worn out leadscrews, I'm not set up to test
> >> PCB-Gcode.
> > 
> > Ouch.  Bummer.  That day will come for my little toy too.  The XY nuts
> > are such a kludge, I should have spares on the shelf for when I break
> > one trying to take up the backlash. :(
> 
>Mine's a Speedway series Mill/Drill.  Cast iron nuts, on steel
> leadscrews works well in manual mode, but, running them back, and forth,
> on my hand coded g-code, for the last 2 years, wore the leadscrews out.
> Been seriously considering ballscrews, but Disability doesn't pay a
> third of what I used to make.

Sorry to hear that, living on what "they" think you ought to be able to 
live on sucks, big time.

>I also have the spindle apart, to put new bearings in, and to
> redesign the convoluted way of moving it.  Wayyy too much slop, the
> pinion would occasionally jump a tooth on the rack.
 
Yikes.

> >>> An old friend and engineer back in about 1960 was fond of the phrase
> >>> 'simplicate' and I'd think this qualifies.  :)
> >>> 
> >>> Cheers, Gene
> >>> 
> >> For me, this would be simple...
> >> 
> >> 
> >> DISCLAIMER:  I've been using Linux since '94 (Early SLS version),
> >> and
> >> 
> >> I can write (and have written) BASH scripts in my sleep.  They might
> >> not be the most efficient scripts, but they work for me.  I've been
> >> doing this for so long, I do most things without really thinking
> >> about HOW to do them.
> > 
> > There was a time when I dreamed in 6809 assembly.  So I know well how
> > that works.  :)  Like you, now I write system daemons in bash. Except
> > for its lack of floating point operations, its a pretty good OS (but
> > don't tell that to an emacs fan) :)
> 
>BASH not directly handling floating point, is IMO it's only major
> drawback.  I still have a few old bash scripts on my system, that are
> over 100,000 lines long, and I use that same perl script throughout them
> for math calculations.
> 
>They are Linux installers, that will completely create a custom OS,
> from source, calculate the time that it took to install each program, as
> well as the percentage of time it took compared to the first program
> that was created, and give me feedback, with fancy colored output.  All
> this from a bare command prompt, no X required.
> 
Neat!
>I had been using Linux for 2 years, before I even looked at
> installing X.

One could say I had a bit of a head start on a nix like os as I've been 
running os9, now nitros9, on various trash-80 color computers since about 
'85.  Not near as much security inherent in it, and the scheduler is very 
simple but it was/is a great teacher, one of them is running in the 
basement right now.  I can safely say that the uptime for all the windows 
box's I've ever owned is probably under 24 hours, total.
Generally I build my own and the linux install dvd/cd is all they ever see 
in the dvd reader.

> > Cheers, Gene


Cheers, Gene
-- 
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the mv.  Hmm, I need more coffee.
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Re: [Emc-users] OT about product names was - About the board, .....

[John Prentice]

> Babelfish translating "mist" to German is quite polite; our continental
> members may be more graphic! The image for R-R was not what was desired.

I mean, of course, translating Mist from German. -- really must Think before 
Send

>
> GM (Vauxhall) had problems in Italy with a neat compact they called the 
> Nova
>
> John Prentice
>
>


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Re: [Emc-users] OT about product names was - About the board, .....

[John Prentice]

> Have you ever wondered about the strange made-up names of many
> commercial products---notably pharmaceuticals, which are as numerous as
> software? The companies use computer programs to generate and test
> candidate names for appropriateness in various languages (sometimes they
> have missed this one big time), potential trademark infringement, etc.
> Choosing an initialism or acronym based on beginning letters of a catchy
> phrase is typically a non-starter for them.
>

Famously Rolls-Royce Motors following the Silver Ghost, Silver Spirit, 
Silver Shadow, etc coined the Silver Mist.

Babelfish translating "mist" to German is quite polite; our continental 
members may be more graphic! The image for R-R was not what was desired.

GM (Vauxhall) had problems in Italy with a neat compact the called the Nova

John Prentice 


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Re: [Emc-users] [OT]Moveing pcb-gcode generated files to the milling machine=huge PIMA

[Mark Cason]

On 01/26/2012 05:52 AM, gene heskett wrote:
> Which is why it seems more better an idea to grab what is in #5063 
> after the G38.2, and apply enough math to arrive at where you want it 
> to think it is, and do a G92 Zmath-result. To keep track of where the 
> machine needs to be, back at its own referenced home position, do a 
> G92.1 to clear the offset before going back to the tool change 
> position above the gage, for the next tool change. The way pcb-gcode 
> issues those commands is consistent, so a search for the M06 T, than 
> back up 2 moves and do the G92.1 Then after the M6 T# insert "call 
> ", which will do the G38.2, process the result and apply 
> diff as G92 Z The .drill files have 5 such change places each. 

   I'm a visual person, I need to "SEE" something to understand what's 
needed.  Looking at the above, gives me a headache.  BUT,   I still 
think that creating a script to adjust the g-code would be easier.

>> I have a hard enough time with EMC2/LinuxCNC, as it is,  For me at
>> least, the only other option would be to edit PCB-GCode, but I'm not
>> well versed in ULP files.
>>
>> Due to moving my shop, and having my CNC mill sitting on the floor in
>> pieces due to having worn out leadscrews, I'm not set up to test
>> PCB-Gcode.
> Ouch.  Bummer.  That day will come for my little toy too.  The XY nuts are
> such a kludge, I should have spares on the shelf for when I break one
> trying to take up the backlash. :(

   Mine's a Speedway series Mill/Drill.  Cast iron nuts, on steel 
leadscrews works well in manual mode, but, running them back, and forth, 
on my hand coded g-code, for the last 2 years, wore the leadscrews out.  
Been seriously considering ballscrews, but Disability doesn't pay a 
third of what I used to make.

   I also have the spindle apart, to put new bearings in, and to 
redesign the convoluted way of moving it.  Wayyy too much slop, the 
pinion would occasionally jump a tooth on the rack.

>
>>> An old friend and engineer back in about 1960 was fond of the phrase
>>> 'simplicate' and I'd think this qualifies.  :)
>>>
>>> Cheers, Gene
>> For me, this would be simple...
>>
>>
>> DISCLAIMER:  I've been using Linux since '94 (Early SLS version), and
>> I can write (and have written) BASH scripts in my sleep.  They might not
>> be the most efficient scripts, but they work for me.  I've been doing
>> this for so long, I do most things without really thinking about HOW to
>> do them.
> There was a time when I dreamed in 6809 assembly.  So I know well how that
> works.  :)  Like you, now I write system daemons in bash. Except for its
> lack of floating point operations, its a pretty good OS (but don't tell
> that to an emacs fan) :)

   BASH not directly handling floating point, is IMO it's only major 
drawback.  I still have a few old bash scripts on my system, that are 
over 100,000 lines long, and I use that same perl script throughout them 
for math calculations.

   They are Linux installers, that will completely create a custom OS, 
from source, calculate the time that it took to install each program, as 
well as the percentage of time it took compared to the first program 
that was created, and give me feedback, with fancy colored output.  All 
this from a bare command prompt, no X required.

   I had been using Linux for 2 years, before I even looked at installing X.

>
> Cheers, Gene


-- 
-Mark

Ne M'oubliez   ---Family Motto
Hope for the best, plan for the worst   ---Personal Motto


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[Emc-users] k2cnc reviews

[kqt4at5v]

Is anyone using machines from k2cnc.com

Richard


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Re: [Emc-users] About the board, the rebrand, and the future

[Kent A. Reed]

On 1/26/2012 5:05 AM, andy pugh wrote:
> On 25 January 2012 19:10, Chris Radek  wrote:
>> Protect myself and other individuals involved in the project
>> from a ruinous lawsuit brought by an immensely wealthy
>> multinational corporation that could cause grave hardship for
>> us and our loved ones;
> I think that rolling over and giving them exactly what they want was
> the right thing to do for this reason.
>
> However it is interesting to speculate what would have happened had we
> been able to persuade them that their quarrel was with NIST who chose
> the EMC name.
>
There's no refuge for us there.

Last week I said "As for NIST's role, it's unfortunate that Enhanced 
Machine Controller was chosen as the name of the system and that EMC is 
a natural shorthand for it. That's history and I think we should 
celebrate it, but I don't see anything is to be gained holding our 
breath until we turn blue."

Even supported software (which the software at issue is not) from NIST 
bears a disclaimer drafted in the General Counsel's office. It typically 
reads,in part, "This software was developed at the National Institute of 
Standards and Technology by employees of the Federal Government in the 
course of their official duties. Pursuant to title 17 Section 105 of the 
United States Code this software is not subject to copyright protection 
and is in the public domain. These programs are experimental systems. 
NIST assumes no responsibility whatsoever for their use by other 
parties, and makes no guarantees, expressed or implied, about its 
quality, reliability, or any other characteristic. " The name is surely 
one of those other characteristics.

Had the NIST General Counsel received such a letter as did the board he 
would have advised an immediate name change to avoid the perception of 
trademark infringement. (In my career at NIST, I spent more than a few 
hours with the General Counsel and staff. I got a pretty good idea of 
how they work. There has always been a strong policy of neither 
infringing on nor endorsing private-sector products.)

Have you ever wondered about the strange made-up names of many 
commercial products---notably pharmaceuticals, which are as numerous as 
software? The companies use computer programs to generate and test 
candidate names for appropriateness in various languages (sometimes they 
have missed this one big time), potential trademark infringement, etc. 
Choosing an initialism or acronym based on beginning letters of a catchy 
phrase is typically a non-starter for them.

Regards,
Kent


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Re: [Emc-users] Communication Channels (Was: An Open Letter...)

[Eric Keller]

shows how long it's been since I have been there, but I was thinking of Al
and ynneb.

On Thu, Jan 26, 2012 at 5:46 AM, andy pugh  wrote:

> On 26 January 2012 01:22, Sven Wesley  wrote:
> > 2012/1/24 Eric Keller 
>
> >> Seems to me that the CNCzone moderator is a EMC doubter at best,
>
> > You mean like, have-been-using-EMC-the-last-nine-years doubter?
>
> I suspect that finger was being pointed at a different moderator, Al
> the Man for a guess.
>
> --
> atp
> The idea that there is no such thing as objective truth is, quite simply,
> wrong.
>
>
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Re: [Emc-users] [OT]Moveing pcb-gcode generated files to the milling machine=huge PIMA

[gene heskett]

On Thursday, January 26, 2012 06:27:28 AM Mark Cason did opine:

> On 01/26/2012 12:20 AM, gene heskett wrote:
> > On Thursday, January 26, 2012 12:59:48 AM Mark Cason did opine:
> >> On 01/25/2012 04:44 AM, gene heskett wrote:
> >> Hmmm, silly Q for you and Rafael: If, after having executed the G38.2
> >> and the machine is stopped, what sort of havoc would I create if I
> >> simply wrote the known height of the gage at contact, into #5063?
> >> That might not be the correct #number but you get the idea. What ever
> >> number would cause the machine's currant Z, both as displayed and
> >> internally used to determine the next move, to be corrected to the
> >> known gage height it is actually sitting at IOW?
> 
>I can't answer this :(
> 
> > Using bc or perl seems like a gawd-awful kludge even if it did work.
> > LinuxCNC has its own math functions that appear to my untrained eye to
> > be spot on, so why not use them directly?
> 
>Yes, it would be a kludge, but a fairly straightforward one.  This
> would have to be written as a "Go Between" script, that could read the
> output of PCB-GCode, modify the output, and parse it so that
> EMC2/LinuxCNC could understand what you want.
> 
> The 3 options I see are:
> 
>   1) Modify the g-code output of PCB-GCode,

by inserting a few lines of code seems the ideal method from here.

>   2) Modify PCB-GCode directly, so that it gives you what you want, or

unreal, given that the variables occur after pcb-gcode's view of the world.

>   3) figure out how to get EMC2/LinuxCNC to modify the g-code on the
> fly.

Which is why it seems more better an idea to grab what is in #5063 after 
the G38.2, and apply enough math to arrive at where you want it to think it 
is, and do a G92 Zmath-result.  To keep track of where the machine needs to 
be, back at its own referenced home position, do a G92.1 to clear the 
offset before going back to the tool change position above the gage, for 
the next tool change.  The way pcb-gcode issues those commands is 
consistent, so a search for the M06 T, than back up 2 moves and do the 
G92.1  Then after the M6 T# insert "call ", which will do the 
G38.2, process the result and apply diff as G92 Z

The .drill files have 5 such change places each.
 
>I have a hard enough time with EMC2/LinuxCNC, as it is,  For me at
> least, the only other option would be to edit PCB-GCode, but I'm not
> well versed in ULP files.
> 
>Due to moving my shop, and having my CNC mill sitting on the floor in
> pieces due to having worn out leadscrews, I'm not set up to test
> PCB-Gcode.

Ouch.  Bummer.  That day will come for my little toy too.  The XY nuts are 
such a kludge, I should have spares on the shelf for when I break one 
trying to take up the backlash. :(

> > An old friend and engineer back in about 1960 was fond of the phrase
> > 'simplicate' and I'd think this qualifies.  :)
> > 
> > Cheers, Gene
> 
>For me, this would be simple...
> 
> 
>DISCLAIMER:  I've been using Linux since '94 (Early SLS version), and
> I can write (and have written) BASH scripts in my sleep.  They might not
> be the most efficient scripts, but they work for me.  I've been doing
> this for so long, I do most things without really thinking about HOW to
> do them.

There was a time when I dreamed in 6809 assembly.  So I know well how that 
works.  :)  Like you, now I write system daemons in bash. Except for its 
lack of floating point operations, its a pretty good OS (but don't tell 
that to an emacs fan) :)

Cheers, Gene
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
My web page: 
Political history is far too criminal a subject to be a fit thing to
teach children.
-- W.H. Auden

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Re: [Emc-users] Open letter to the EMC Board of Directors

[Mark Wendt]

On 01/26/2012 06:25 AM, andy pugh wrote:
> It is worth bearing in mind, thought, that no matter what else
> happens, your installation of LinuxCNC will continue to work, and as
> long as you keep a copy of the source there is no reason that it can't
> continue to do so indefinitely.
> New features and support for new hardware might stall, but the
> complete non-reliance on a supporting company/organisation is one of
> the strengths of open source.
>

That's true.  But, like anything else in the world, we progress.  New 
features, bug fixes, operating systems that become obsolete and no 
longer supported and unavailable are just some of the things that can 
and do happen over time.  Eventually you get to a point where what you 
have doesn't work anymore.  Complete non-reliance on an organization can 
also be a big weakness of open source.  You do have to have some kind of 
organization in place - determining when new releases come out, managing 
the resources to be able to put out a new release, and coordinating new 
releases, bug fixes, and features.

Anarchy isn't normally a strength.  ;-)

Mark

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Re: [Emc-users] Open letter to the EMC Board of Directors

[andy pugh]

On 26 January 2012 11:20, Mark Wendt  wrote:

> I think our community has grown to the point where a lot of folks are
> starting to depend on LinuxCNC "being there."  We've got integrators out
> there who are making a living off bringing LinuxCNC to the industrial
> world, and folks like me who use LinuxCNC as part of our business.

It is worth bearing in mind, thought, that no matter what else
happens, your installation of LinuxCNC will continue to work, and as
long as you keep a copy of the source there is no reason that it can't
continue to do so indefinitely.
New features and support for new hardware might stall, but the
complete non-reliance on a supporting company/organisation is one of
the strengths of open source.

-- 
atp
The idea that there is no such thing as objective truth is, quite simply, wrong.

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Re: [Emc-users] Communication Channels (Was: An Open Letter...)

[Mark Wendt]

On 01/25/2012 08:22 PM, Sven Wesley wrote:
> 2012/1/24 Eric Keller
>
>
>> Seems to me that the CNCzone moderator is a EMC doubter at best, maybe I'm
>> wrong.
>>  
>
> You mean like, have-been-using-EMC-the-last-nine-years doubter?
>
I'm one of the mods over there like Sven, and I'm a firm believer in 
LinuxCNC!  I've even been known to defend LinuxCNC against the hordes of 
Mach users... ;-)

Mark

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Re: [Emc-users] Open letter to the EMC Board of Directors

[Mark Wendt]

On 01/25/2012 03:53 PM, s...@highlab.com wrote:
> I am not a board member or anything official, I'm just some guy who 
> hacks on linuxcnc sometimes.  I speak for myself.
>
> I've been following this thread since the start, and there is a 
> disconnect between what people are asking for and how i think this 
> project works.
>
> People are saying thing like:
>
> "What's the road map of features for future releases?"
>
> "What features should/shouldn't I work on?"
>
> "Who holds the Treasurer position?"
>
> "How do you assign tasks to developers?"
>
> These kinds of questions make no sense in my mental model of the project.
>
> This is not a company and I am not an employee, so nobody gets to tell 
> me what to do.  I'm a volunteer and I do this because I like our 
> community, and machining, and programming.  I'm doing this for fun, in 
> my spare time that I could be doing other fun things of my own choosing.
>
> If someone wants to make a roadmap, or a list of features they want, 
> or a 5 year plan of what they think everyone should work on, that's 
> fine by me - but it doesnt really affect me, and it doesnt change what 
> I'll do tonight after i tuck my kids into bed.
>
> I have a list of things *I* want to do to the linuxcnc project, but 
> I'd never dream of telling anyone to work on them.  It's not my place 
> to tell folks what to do.
>
> I do not publicise my todo list because I'm afraid that doing so might 
> make people impatient for the tasks to be finished, and the pressure 
> of that public expectation would diminish my enjoyment of doing the 
> work.  I have enough schedule and pressure in my day job and other 
> parts of my life, I dont need any more!  That's not what I'm here for!
>
>
> I have never read the "Board of Directors Terms of Service", and until 
> people in this thread started talking about  it I didnt realize we had 
> one.  I will not go read it now, because I don't care.  To me, this 
> project works well, and legalese bores me.
>
>
> I run my part of our infrastructure on my dime because I happen to 
> have the equipment and skills and interest to do it, and i think it 
> makes our shared project better.  I have no interest in trying to 
> untangle the expense of it from the rest of my household expenses and 
> requesting a reimbursement from a project treasurer.  I dont know if 
> we even *have* a treasurer, and if we do i dont want to spend my 
> open-source hacking hour talking about bills.  I'd rather just hack.
>
>
> That's  where I'm coming from.

Seb,

Your feelings are understandable.  I for one appreciate all the hard 
work and effort you've put into this over the years, and you've helped 
me on numerous occasions get over certain bumps in the road that I was 
struggling with.  Thank you for that.  I don't take any of the folks 
that have worked on this little corner of the world for granted.

I mentioned the "Treasurer" idea mainly as having a way to maintain the 
costs of our web presence.  You mentioned you maintain your part of the 
infrastructure on your dime, and I think Chris also mentioned that the 
costs for our web presence was coming out of his pocket.  This has 
worked and worked well for us so far.  But, sometimes life happens.  God 
forbid that something might happen to somebody who is taking care of 
this, and leaves that person unable to keep that service going.  Do we 
as a community have a mechanism in place to pick up the job that's 
currently being maintained that way?

I think our community has grown to the point where a lot of folks are 
starting to depend on LinuxCNC "being there."  We've got integrators out 
there who are making a living off bringing LinuxCNC to the industrial 
world, and folks like me who use LinuxCNC as part of our business.  
Without all the hard work and dedication from you guys as developers and 
leaders in the project, we wouldn't be here today.  But as we grow, we 
need to look at how we are managing this.  Do we need to have mechanisms 
in place in case something happens that could shut down the project?  Do 
we need to more clearly delineate the Board's responsibilities, both the 
the project itself and to the community that both uses and supports the 
project?  Do we need to have mechanisms in place to manage the resources 
we use?

Lotsa questions, lots of things to think about.  The threat of the 
lawsuit should open our eyes to the fact that we are getting big enough 
to be noticed out there in the world, and we need to have some kind of 
structure that protects our interests, and keeps the growth and 
enthusiasm in making LinuxCNC the software we as a community want it to be.

Mark

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Re: [Emc-users] Communication Channels (Was: An Open Letter...)

[andy pugh]

On 26 January 2012 01:22, Sven Wesley  wrote:
> 2012/1/24 Eric Keller 

>> Seems to me that the CNCzone moderator is a EMC doubter at best,

> You mean like, have-been-using-EMC-the-last-nine-years doubter?

I suspect that finger was being pointed at a different moderator, Al
the Man for a guess.

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Re: [Emc-users] About the board, the rebrand, and the future

[charles green]

properly:  N.I.S.T. and E.M.C. for the respective unabbreviated designations.
 
ruinous lawsuits brought with the immense wealth of multinational corporations 
are more powerful even than god.  if you disagree with such a statement of the 
rule of corporate law, you might as well brand yourself a terrorist, and look 
forward to constructing improvised idealistic devices:)

--- On Thu, 1/26/12, andy pugh  wrote:


From: andy pugh 
Subject: Re: [Emc-users] About the board, the rebrand, and the future
To: "Enhanced Machine Controller (EMC)" 
Date: Thursday, January 26, 2012, 2:05 AM


On 25 January 2012 19:10, Chris Radek  wrote:
> Protect myself and other individuals involved in the project
>        from a ruinous lawsuit brought by an immensely wealthy
>        multinational corporation that could cause grave hardship for
>        us and our loved ones;

I think that rolling over and giving them exactly what they want was
the right thing to do for this reason.

However it is interesting to speculate what would have happened had we
been able to persuade them that their quarrel was with NIST who chose
the EMC name.

-- 
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Re: [Emc-users] About the board, the rebrand, and the future

[andy pugh]

On 25 January 2012 19:10, Chris Radek  wrote:
> Protect myself and other individuals involved in the project
>        from a ruinous lawsuit brought by an immensely wealthy
>        multinational corporation that could cause grave hardship for
>        us and our loved ones;

I think that rolling over and giving them exactly what they want was
the right thing to do for this reason.

However it is interesting to speculate what would have happened had we
been able to persuade them that their quarrel was with NIST who chose
the EMC name.

-- 
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Re: [Emc-users] touchy interface

[Farzin Kamangar]

Hello, Chris
  There is nothing different in this install. The version is the same and
it is 2.4.3. The Ubuntu version is 10.04.1 LTS.
I do not know how to check for error messages on stdout/stderr messages. I
have not noticed any error messages
when this happens. Thank you for your reply.
Farzin

On Mon, Jan 23, 2012 at 6:36 PM, Chris Radek  wrote:

>  On Mon, Jan 23, 2012 at 03:32:02PM +0330, Farzin Kamangar wrote:
>
> > Hello, dear EMC users,
> > Regarding the touchy interface, I have a problem on one computer and
> > that is in the MDI page with G shown as the command, when I enter 0 or 1
> > for G0 or G1 and with pushing the Next button I see the lines X Y Z show
> up
> > for getting their coordinates just the first time after the computer boot
> > up and running EMC. But when I exit EMC and run the EMC program for the
> > second, third, ... times, when entering the MDI page and pushing 0 or 1
> for
> > G0 or G1 and by pressing the Next
> > button on the MDI page I do not get the lines X Y and Z anymore. I
> restart
> > the computer and I see the same for the first run of EMC regarding lines
> X
> > Y Z in the MDI page and exiting EMC and running it again I do not see
> them
> > anymore. What do you think? Is there any solution to fix this problem?
>
>
> Farzin, can you identify anything different about this install?  Is it
> the same version as the others?  What version is it?  I have not seen
> this problem.
>
> If you have not already, you might want to check stdout/stderr for
> an error message such as a python traceback when this happens.
>
>
>
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Re: [Emc-users] [OT]Moveing pcb-gcode generated files to the milling machine=huge PIMA

[Mark Cason]

On 01/26/2012 12:20 AM, gene heskett wrote:
> On Thursday, January 26, 2012 12:59:48 AM Mark Cason did opine:
>
>> On 01/25/2012 04:44 AM, gene heskett wrote:
>> Hmmm, silly Q for you and Rafael: If, after having executed the G38.2 
>> and the machine is stopped, what sort of havoc would I create if I 
>> simply wrote the known height of the gage at contact, into #5063? 
>> That might not be the correct #number but you get the idea. What ever 
>> number would cause the machine's currant Z, both as displayed and 
>> internally used to determine the next move, to be corrected to the 
>> known gage height it is actually sitting at IOW?

   I can't answer this :(

>
> Using bc or perl seems like a gawd-awful kludge even if it did work.
> LinuxCNC has its own math functions that appear to my untrained eye to be
> spot on, so why not use them directly?

   Yes, it would be a kludge, but a fairly straightforward one.  This 
would have to be written as a "Go Between" script, that could read the 
output of PCB-GCode, modify the output, and parse it so that 
EMC2/LinuxCNC could understand what you want.

The 3 options I see are:

  1) Modify the g-code output of PCB-GCode,
  2) Modify PCB-GCode directly, so that it gives you what you want, or
  3) figure out how to get EMC2/LinuxCNC to modify the g-code on the fly.

   I have a hard enough time with EMC2/LinuxCNC, as it is,  For me at 
least, the only other option would be to edit PCB-GCode, but I'm not 
well versed in ULP files.

   Due to moving my shop, and having my CNC mill sitting on the floor in 
pieces due to having worn out leadscrews, I'm not set up to test PCB-Gcode.

> An old friend and engineer back in about 1960 was fond of the phrase
> 'simplicate' and I'd think this qualifies.  :)
>
> Cheers, Gene

   For me, this would be simple...


   DISCLAIMER:  I've been using Linux since '94 (Early SLS version), and 
I can write (and have written) BASH scripts in my sleep.  They might not 
be the most efficient scripts, but they work for me.  I've been doing 
this for so long, I do most things without really thinking about HOW to 
do them.


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Ne M'oubliez   ---Family Motto
Hope for the best, plan for the worst   ---Personal Motto


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