[Emc-users] OT: Two way wireless alert fobs. Re: [OT] Wife is good to go

[Gregg Eshelman]

There might be something here that could be programmed to pair up with unique 
signals and transmit when a button is pressed, while the receiving one triggers 
a loud piezo beeper.
http://www.digikey.com/products/en/rf-if-and-rfid/rf-evaluation-and-development-kits-boards/859
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Re: [Emc-users] linuxcnc on udoo x86 / udoo x86 ultra was linuxcnc on raspberry pi 3

[Gene Heskett]

On Tuesday 21 February 2017 01:56:45 Erik Christiansen wrote:

> On 21.02.17 01:13, Gene Heskett wrote:
> > If perchance this magic new device has some fast gpio, and a spi
> > driver could be written for it, the 7i90HD with spi firmware might
> > be usable?
>
> The on-board Intel Curie microcontroller, which provides the Arduino
> 101 compatible extra stuff, has "SPI Flash" listed as an "Other
> Interface": See: http://www.udoo.org/udoo-x86/
>
> Perhaps more guaranteed to be really hard real-time; the quad-core
> main cpu has "up to 20" GPIO. That'll depend on what else we want to
> use pins for, clearly. It ought to be feasible to ferret out some
> Linux SPI foo out there in the googleverse. (Some time to faff with it
> is then item 2 on the agenda. (Well, 3 until the board arrives and I
> push some Linux into its brain.)
>
> > That spi bus protocol is a 32 bit, 4 byte packet going each way,
> > with a 32 megabaud transfer rate in and out of a Raspberry pi 3b.
> > Thats no slouch in the ability to do realtime control. Said another
> > way, if the cpu power was there, one could run the servo-thread much
> > faster than 1 kilohertz. Without the hal calculations required, an
> > update rate of 4 megahertz for every bit of the 7i90's 72 pins of
> > i/o could be achieved.
> >
> > LCNC is sitting idle out there, and the pi doesn't isolate the
> > isolcpus=3 from being monitored by htop like it does on the x86
> > hardware, and the idling rtapi task is using 13.2% of cpu-3.  So I
> > can add quite a bit of processing overhead in my .hal file's yet
> > before it actually gets "busy".  Or run a servo-thread at 5
> > kilohertz.
>
> Well, it's X86. So we have to hobble 3 of the 4 cores, but not on ARM?
>
> > Yes, you'll use a pile of ferrite snapon chokes, and pay real
> > attention to a single bolt grounding system, but once thats
> > understood it seems to Just Work(tm).  And that card is only a tad
> > over a $60 bill on your front deck here in the USA. And its
> > interface versatile, offering the same i/o features at the slower
> > EPP parport rate if its a true 3.3 volt EPP port. But on the pi, the
> > spi is only 4 signal wires not counting the 8 commons, and still
> > faster than the parport version is. I have no clue if a true EPP
> > parport driver has even been written for the pi's. It doesn't have
> > one natively that I'm aware of.
>
> The Udoo X86 isn't as cheap as a Pi, and I added a good sized SSD to
> my order, which didn't help. Their promotional video claims it's a
> _heck_ of a lot faster than the Pi, but they may be focussing on
> graphical performance.
>
> Erik

That can and is a minor problem on the pi, gfx isn't yet drm optimized. 
Its fast enough, but not "instant". 20 FPS maybe.

Cheers, Gene Heskett
-- 
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Re: [Emc-users] linuxcnc on udoo x86 / udoo x86 ultra was linuxcnc on raspberry pi 3

[Erik Christiansen]

On 21.02.17 17:56, Erik Christiansen wrote:
> It ought to be feasible to ferret out some Linux SPI foo
> out there in the googleverse. (Some time to faff with it is then item 2
> on the agenda. (Well, 3 until the board arrives and I push some Linux
> into its brain.)

This might do for starters:
http://hackaday.com/2017/02/19/spi-on-embedded-linux/

But if the 7i90 talks SPI, then there's already an SPI device driver in
LinuxCNC, perhaps? Then all there is to it is to tweak the GPIO
assignments?

Erik

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than in practice..."

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Re: [Emc-users] [OT] Wife is good to go

[Gene Heskett]

On Tuesday 21 February 2017 00:42:10 Gregg Eshelman wrote:

> If you have a basement window and the softener is in the open, you
> have a way to fill it without lugging the salt bags so far. Make a
> salt chute from some ABS drain pipe and funnel it in through a window.
> :) Then all you have to move in and out of the house is the
> lightweight plastic pipe, which could be fit together in sections. If
> you can't get enough slope to the top of the softener, drop it down to
> a bin and use a scoop, or a miniaturized copy of a grain auger to fill
> it.
>
Now theres a thought, my next invention. :)  However, we've built over 
all but 2 of the basement windows, and they are 30 feet and a corner to 
get there in one swell foop.  But a salt bin container could be placed 
under the window, to be refilled occasionally, and bucket it from there 
to the salt tank. Problem is the window is a tilt in at the top and lift 
to remove version. Bit of a pita to open for trash ejection or salt 
input. It has been considered though. So has an overhead trolley from 
one of those windows but they don't turn corners well. Humm, trackage 
and trolleys I have, and I could make a hole in that wall that would let 
me pour a 5 gallon bucket at a time into the tank.  Talk about Rube 
Goldberg though... :)

We've also considered getting a hoe in to dig us an old fashioned 
basement entry with the sloped upper doors so we could get out in the 
event of a fire that blocked the stairs. But it never got done. :(
>
>
>   From: Gene Heskett 
>  To: emc-users@lists.sourceforge.net
>  Sent: Monday, February 20, 2017 8:34 AM
>  Subject: Re: [Emc-users] [OT] Wife is good to go
>
> On Monday 20 February 2017 00:37:19 Erik Christiansen wrote:
> > It is possible that being a farm girl from the time when they loaded
> > sheaves onto wagons with a pitchfork has given her the stamina, but
> > ISTR you're cast in a similar mould.
>
> Chuckle.  I'd like to think so, but I've not been that good to me over
> the years, and that pick up 200 lbs & walk it across town if it needs
> to go attitude has caught up with me, darnit.  The Missus, w/o
> mentioning why, had me disable our water softener about 3 years ago.
> We can afford the salt. But I think she wanted to remove the struggle
> of me handling 2 to 4 40lb bags of salt thru the house & down a flight
> of stairs when it needed refilled.  And while I won't claim I can cast
> nails out of it, it is a little hard. OTOH, the human body needs the
> trace elements in hard water.
>
>
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Cheers, Gene Heskett
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] linuxcnc on udoo x86 / udoo x86 ultra was linuxcnc on raspberry pi 3

[Erik Christiansen]

On 21.02.17 01:13, Gene Heskett wrote:

> If perchance this magic new device has some fast gpio, and a spi driver 
> could be written for it, the 7i90HD with spi firmware might be usable?

The on-board Intel Curie microcontroller, which provides the Arduino 101
compatible extra stuff, has "SPI Flash" listed as an "Other Interface":
See: http://www.udoo.org/udoo-x86/

Perhaps more guaranteed to be really hard real-time; the quad-core main
cpu has "up to 20" GPIO. That'll depend on what else we want to use pins
for, clearly. It ought to be feasible to ferret out some Linux SPI foo
out there in the googleverse. (Some time to faff with it is then item 2
on the agenda. (Well, 3 until the board arrives and I push some Linux
into its brain.)

> That spi bus protocol is a 32 bit, 4 byte packet going each way, with a 
> 32 megabaud transfer rate in and out of a Raspberry pi 3b. Thats no 
> slouch in the ability to do realtime control. Said another way, if the 
> cpu power was there, one could run the servo-thread much faster than 1 
> kilohertz. Without the hal calculations required, an update rate of 4 
> megahertz for every bit of the 7i90's 72 pins of i/o could be achieved.
> 
> LCNC is sitting idle out there, and the pi doesn't isolate the isolcpus=3 
> from being monitored by htop like it does on the x86 hardware, and the 
> idling rtapi task is using 13.2% of cpu-3.  So I can add quite a bit of 
> processing overhead in my .hal file's yet before it actually 
> gets "busy".  Or run a servo-thread at 5 kilohertz.

Well, it's X86. So we have to hobble 3 of the 4 cores, but not on ARM?

> Yes, you'll use a pile of ferrite snapon chokes, and pay real attention 
> to a single bolt grounding system, but once thats understood it seems to 
> Just Work(tm).  And that card is only a tad over a $60 bill on your 
> front deck here in the USA. And its interface versatile, offering the 
> same i/o features at the slower EPP parport rate if its a true 3.3 volt 
> EPP port. But on the pi, the spi is only 4 signal wires not counting the 
> 8 commons, and still faster than the parport version is. I have no clue 
> if a true EPP parport driver has even been written for the pi's. It 
> doesn't have one natively that I'm aware of.

The Udoo X86 isn't as cheap as a Pi, and I added a good sized SSD to my
order, which didn't help. Their promotional video claims it's a _heck_
of a lot faster than the Pi, but they may be focussing on graphical
performance.

Erik

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Re: [Emc-users] [OT] Wife is good to go

[Gene Heskett]

On Tuesday 21 February 2017 00:26:44 Gregg Eshelman wrote:

> If your phone has WiFi and/or Bluetooth, make sure they're off. Some
> phones have a connection optimizer function that will automatically
> turn WiFi on if the phone signal is weak, so you want that optimizer
> off too.
>
I don't think I have a phone, even my cell-phone, with a wifi capability. 
But what is HAC? Whatever, I just turned that off. When I found the 
bluetooth setting, it was off. Its been laying here on the desk since I 
unplugged the charging usb cable since about noon yesterday, and it just 
yelled low battery at me, nominally 13 hours, so its plugged in again. 
So we'll see what effect turning off the HAC has.  Love their #$% 
abbreviations. I'll go google it.  Hearing Aid Compatability. But 
nothings plugged in, never has been.  Is that the magic twanger? 
Doubtfull as it has not participated in a call while it was laying 
there, closed.  But it sure ate that battery in 13 hours doing squat.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] linuxcnc on udoo x86 / udoo x86 ultra was linuxcnc on raspberry pi 3

[Gene Heskett]

On Monday 20 February 2017 23:09:50 Erik Christiansen wrote:

> On 20.02.17 22:57, TJoseph Powderly wrote:
> > Thanks Erik
> > my beaglebone, qubie and orangePiPlus2e cant do graphics like the
> > video you posted ( heck my dm510 cant do it either ) All of those
> > were candidates for linuxcnc but are now just bookshelf knickknacks.
>
> It is to replace my desktop machine that I ordered the Udoo X86, as
> youtube etc. currently run like a dog. That the Udoo runs off 12v DC
> also makes it a good candidate for running off solar power out on the
> farm.
>
> > the video doesnt prove that an rt kernel linuxcnc image would run
> > that well, but hope springs eternal. I'd think that ethernet mesa
> > cards might be used as well as the weirdo pcie cable extension
> > thingy.
>
> Yeah, maybe "instead of". While your wikipedia M.2 link refers to
> "PCIe ×2" for Key-B M.2, the Udoo X86 glossy leaflet masquerading as a
> datasheet:
>
> http://www.seco.com/misk/UDOO_X86_datasheet.pdf
>
> only mentions M.2 Key-B in the "Mass Storage" section. There is no
> mention of PCIe in the "Other Interfaces" section. Hold on! In the
> "Networks" row, there's "M.2 Key E slot", but it's possible they've
> gone no further than support 'PCM "WiFi/Bluetooth cards"'.
>
> It is entirely likely that ethernet Mesa cards are the only way to go
> with this SBC.
>
> > Please keep us posted on the Udoo and any experiences with linuxcnc
> > on it
> > tomp tjtr33
>
> By the projected delivery date of end March, it'll be half a year
> since my order. Let's hope it turns up then. Looking closer, it
> appears that the original kickstarter subscribers haven't had anything
> yet, either. On the other hand, they do say the new board design is
> good to go, and production is now the last hurdle.
>
> I'll take a look at available ethernet Mesa cards then, assuming
> there's a practical adaptor for M.2 E-key to PCIe cable.
>
> Erik
>
If perchance this magic new device has some fast gpio, and a spi driver 
could be written for it, the 7i90HD with spi firmware might be usable?

That spi bus protocol is a 32 bit, 4 byte packet going each way, with a 
32 megabaud transfer rate in and out of a Raspberry pi 3b. Thats no 
slouch in the ability to do realtime control. Said another way, if the 
cpu power was there, one could run the servo-thread much faster than 1 
kilohertz. Without the hal calculations required, an update rate of 4 
megahertz for every bit of the 7i90's 72 pins of i/o could be achieved.

LCNC is sitting idle out there, and the pi doesn't isolate the isolcpus=3 
from being monitored by htop like it does on the x86 hardware, and the 
idling rtapi task is using 13.2% of cpu-3.  So I can add quite a bit of 
processing overhead in my .hal file's yet before it actually 
gets "busy".  Or run a servo-thread at 5 kilohertz.

Yes, you'll use a pile of ferrite snapon chokes, and pay real attention 
to a single bolt grounding system, but once thats understood it seems to 
Just Work(tm).  And that card is only a tad over a $60 bill on your 
front deck here in the USA. And its interface versatile, offering the 
same i/o features at the slower EPP parport rate if its a true 3.3 volt 
EPP port. But on the pi, the spi is only 4 signal wires not counting the 
8 commons, and still faster than the parport version is. I have no clue 
if a true EPP parport driver has even been written for the pi's. It 
doesn't have one natively that I'm aware of.

> --
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> most engaging tech sites, SlashDot.org! http://sdm.link/slashdot
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Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] [OT] Wife is good to go

[Gregg Eshelman]

If you have a basement window and the softener is in the open, you have a way 
to fill it without lugging the salt bags so far. Make a salt chute from some 
ABS drain pipe and funnel it in through a window. :) Then all you have to move 
in and out of the house is the lightweight plastic pipe, which could be fit 
together in sections. If you can't get enough slope to the top of the softener, 
drop it down to a bin and use a scoop, or a miniaturized copy of a grain auger 
to fill it. 



  From: Gene Heskett 
 To: emc-users@lists.sourceforge.net 
 Sent: Monday, February 20, 2017 8:34 AM
 Subject: Re: [Emc-users] [OT] Wife is good to go
   
On Monday 20 February 2017 00:37:19 Erik Christiansen wrote:

> It is possible that being a farm girl from the time when they loaded
> sheaves onto wagons with a pitchfork has given her the stamina, but
> ISTR you're cast in a similar mould.
>
Chuckle.  I'd like to think so, but I've not been that good to me over 
the years, and that pick up 200 lbs & walk it across town if it needs to 
go attitude has caught up with me, darnit.  The Missus, w/o mentioning 
why, had me disable our water softener about 3 years ago. We can afford 
the salt. But I think she wanted to remove the struggle of me handling 2 
to 4 40lb bags of salt thru the house & down a flight of stairs when it 
needed refilled.  And while I won't claim I can cast nails out of it, it 
is a little hard. OTOH, the human body needs the trace elements in hard 
water.

   
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Re: [Emc-users] [OT] Wife is good to go

[Gregg Eshelman]

If your phone has WiFi and/or Bluetooth, make sure they're off. Some phones 
have a connection optimizer function that will automatically turn WiFi on if 
the phone signal is weak, so you want that optimizer off too.



  From: Gene Heskett 
 To: emc-users@lists.sourceforge.net 
 Sent: Monday, February 20, 2017 7:48 AM
 Subject: Re: [Emc-users] [OT] Wife is good to go
   
This house has alu siding, so that might explain the short battery life 
IF it was both phones, but its not, she uses hers 10x what I use mine, 
and it still runs a couple days between charges. 

   
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Re: [Emc-users] linuxcnc on udoo x86 / udoo x86 ultra was linuxcnc on raspberry pi 3

[Erik Christiansen]

On 20.02.17 22:57, TJoseph Powderly wrote:
> Thanks Erik
> my beaglebone, qubie and orangePiPlus2e cant do graphics like the
> video you posted ( heck my dm510 cant do it either ) All of those were
> candidates for linuxcnc but are now just bookshelf knickknacks.

It is to replace my desktop machine that I ordered the Udoo X86, as
youtube etc. currently run like a dog. That the Udoo runs off 12v DC
also makes it a good candidate for running off solar power out on the
farm.

> the video doesnt prove that an rt kernel linuxcnc image would run that
> well, but hope springs eternal. I'd think that ethernet mesa cards
> might be used as well as the weirdo pcie cable extension thingy.

Yeah, maybe "instead of". While your wikipedia M.2 link refers to
"PCIe ×2" for Key-B M.2, the Udoo X86 glossy leaflet masquerading as a
datasheet:

http://www.seco.com/misk/UDOO_X86_datasheet.pdf

only mentions M.2 Key-B in the "Mass Storage" section. There is no
mention of PCIe in the "Other Interfaces" section. Hold on! In the
"Networks" row, there's "M.2 Key E slot", but it's possible they've gone
no further than support 'PCM "WiFi/Bluetooth cards"'.

It is entirely likely that ethernet Mesa cards are the only way to go
with this SBC.

> Please keep us posted on the Udoo and any experiences with linuxcnc on
> it
> tomp tjtr33

By the projected delivery date of end March, it'll be half a year since
my order. Let's hope it turns up then. Looking closer, it appears that
the original kickstarter subscribers haven't had anything yet, either.
On the other hand, they do say the new board design is good to go, and
production is now the last hurdle.

I'll take a look at available ethernet Mesa cards then, assuming there's
a practical adaptor for M.2 E-key to PCIe cable.

Erik

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Re: [Emc-users] OT: What Is It?

[Erik Christiansen]

On 20.02.17 13:37, Kirk Wallace wrote:
> I'm a little surprised that this "What's It" didn't get more replies. 
> The pictures are of my Hobart TIG welder's spark gap assembly. The spark 
> gap is used in a circuit that adds a high frequency signal to the torch 
> to aid in starting an arc without having to touch the workpiece with the 
> electrode tip.

Ah, that's just about late 1800's technology. What a blast to still have
a practical use for it. I can't help wondering, though, what it does for
local AM radio reception?

> Getting any workpiece material on the tip will ruin the 
> tip. I found a circuit of a DIY add-on arc starter here:
> http://www3.telus.net/public/a5a26316/WelderPDFs_Pics/dbARC_START.pdf

Did you wind the high voltage coupling transformer yourself? It doesn't
look a lot like a catalogue item from here. I'm surprised there isn't a
capacitor right in the output, with it connected across the welder
output. (Based on zero welder expertise, admittedly.)

> which includes spark gaps. I believe the space between the gaps sets the 
> output voltage.

Back when I was a teenager, taking a more active interest in physics, we
used to gauge the voltage of arcs by the rule of thumb "A kilovolt per
mm, in dry air." I never had anything which could measure umpty kv to
confirm the estimate.

> I don't really know much about welder technology or welding. Acquiring
> this knowledge has been on my ToDo list for many years. I have been
> successful at doing some steel and aluminum welding with this unit,
> but just enough to get a couple of jobs done.

What I've read on Al welding has just served to convince me to stick
with ferrous welding. And stainless seems easy to get wrong too. Then,
even cast iron just bubbles when you aim an arc at it, so I settle for
simple fabricating with plain steel, and building up the old mattock
I've worn to a nubbin, grubbing 'orrible weeds, and digging ditches.

Erik

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Re: [Emc-users] [OT] Wife is good to go

[Gene Heskett]

On Monday 20 February 2017 20:06:37 Gregg Eshelman wrote:

> Get a pair of FRS radios with a call button. Push that and it makes a
> noise on all other FRS radios in range on the same channel. For your
> use you'd want an older pair with shorter range.
>
That sounds like it would work, but FRS radios have been noticeably 
missing in this neck of the woods.  Can I trust what I could buy on 
fleabay or amazon?

Thanks.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] Custom home sequence

[Eric H. Johnson]

Sebastian, et al,

That got it. 

So with this gantry homing, it only works with home all? Individual axes,
even those separate from the gantry, cannot be homed on their own?

Thanks,
Eric


On 02/20/2017 04:42 PM, Eric H. Johnson wrote:
> Don't I only need to run down through the below to install rtai? Also, 
> isin't sudo apt-get -y dist-upgrade going to upgrade me from Xubuntu 
> 12.04 to 14.04? I should skip that step, right?

"apt-get dist-upgrade" will upgrade all packages, but won't upgrade to a new
distribution.  For example, if you run it on Precise it'll upgrade all
installed packages to the latest versions available on Precise, but will
*not* upgrade from Precise to some newer version of the distribution.  This
is exactly what you want.




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Re: [Emc-users] [OT] Wife is good to go

[Gregg Eshelman]

Get a pair of FRS radios with a call button. Push that and it makes a noise on 
all other FRS radios in range on the same channel. For your use you'd want an 
older pair with shorter range.

  From: Gene Heskett 
 To: emc-users@lists.sourceforge.net 
 Sent: Monday, February 20, 2017 7:39 AM
 Subject: Re: [Emc-users] [OT] Wife is good to go
   
I'm thinking in terms of a well built gismo we can hang on good 
necklasses, 2 buttons, one makes the other unit scream for attention, 
the other acts as a walkie-talkie PTS. I don't even know if such a 
critter is available, but I don't want to be slaved to some monthly 
service like they tout endlessly on the telly. Something about the size 
of the fob for your car keys with its grouping of buttons.  Those things 
are tough and can only be destructed by time & button battery failures.  
Working range maybe 100ft thru the alu siding of the house so it can 
catch me even if I'm on the rider trying to control my jungle.

Cheers, Gene Heskett

   
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Re: [Emc-users] Custom home sequence

[Sebastian Kuzminsky]

On 02/20/2017 04:42 PM, Eric H. Johnson wrote:
> Don't I only need to run down through the below to install rtai? Also,
> isin't
> sudo apt-get -y dist-upgrade
> going to upgrade me from Xubuntu 12.04 to 14.04? I should skip that step,
> right?

"apt-get dist-upgrade" will upgrade all packages, but won't upgrade to a 
new distribution.  For example, if you run it on Precise it'll upgrade 
all installed packages to the latest versions available on Precise, but 
will *not* upgrade from Precise to some newer version of the 
distribution.  This is exactly what you want.


> sudo apt-get update
> sudo apt-get -y dist-upgrade
> sudo apt-key adv --keyserver hkp://keys.gnupg.net --recv-key
> 3cb9fd148f374fef
> sudo add-apt-repository "deb http://linuxcnc.org/ precise base 2.7-rtai"
> sudo apt-get update
> sudo apt-get -y install linux-image-3.4-9-rtai-686-pae
> rtai-modules-3.4-9-rtai-686-pae
> sudo apt-get -y install linux-headers-3.4-9-rtai-686-pae
> reboot and hold the left shift key down to get to the boot menu
> select advanced options and pick the 3.4-9-rtai-686-pae kernel
> uname -r
> should report 3.4-9-rtai-686-pae
> open the synaptic package manager and remove the generic image and headers

This recipe looks right to me.  It's like the official docs here:

http://linuxcnc.org/docs/2.7/html/getting-started/getting-linuxcnc.html#_installing_on_ubuntu_precise


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Re: [Emc-users] Custom home sequence

[John Thornton]

lol, I'm not sure what sudo apt-get -y dist-upgrade but it doesn't 
upgrade the OS.

JT

On 2/20/2017 5:42 PM, Eric H. Johnson wrote:
> John,
>
> Don't I only need to run down through the below to install rtai? Also,
> isin't
> sudo apt-get -y dist-upgrade
> going to upgrade me from Xubuntu 12.04 to 14.04? I should skip that step,
> right?
>
> sudo apt-get update
> sudo apt-get -y dist-upgrade
> sudo apt-key adv --keyserver hkp://keys.gnupg.net --recv-key
> 3cb9fd148f374fef
> sudo add-apt-repository "deb http://linuxcnc.org/ precise base 2.7-rtai"
> sudo apt-get update
> sudo apt-get -y install linux-image-3.4-9-rtai-686-pae
> rtai-modules-3.4-9-rtai-686-pae
> sudo apt-get -y install linux-headers-3.4-9-rtai-686-pae
> reboot and hold the left shift key down to get to the boot menu
> select advanced options and pick the 3.4-9-rtai-686-pae kernel
> uname -r
> should report 3.4-9-rtai-686-pae
> open the synaptic package manager and remove the generic image and headers
>
> I am trying to install to a production box, not a development environment. I
> run headless, and thus have used Xubuntu for its small footprint.
>
> Thanks,
> Eric
>
>
> Yes I do.
>
> JT
>
>
> On 2/20/2017 5:02 PM, Andrew wrote:
>> I remember that you had a similar .txt for preempt-rt on Mint, didn't you?
>>
>> 2017-02-21 0:51 GMT+02:00 John Thornton :
>>
>>> This is how I install rtai on Linux Mint 17.3
>>>
>>> JT
>>>
>>>
>>>
>>> On 2/20/2017 4:12 PM, Eric H. Johnson wrote:
>>>
 I should add, I am using Xubuntu 12.04.



 Does rtai need to be installed separately to use these modules? I
 believe apt-key ran properly and the linuxcnc repositories were added
> properly.
 There were no errors with apt-get update.  I am getting errors of
 the
 form:

 The following packages have unmet dependencies:
 Linuxcnc: Depends: linux-image-3.4-9-rtai-686-pae but it is not
 installable.
Depends: rtai-modules-3.4-9-rtai-686-pae but
 it is not installable ...

 Thanks


 Developer (master) version does exactly what you need.
 It also has sync homing. See
 http://linuxcnc.org/docs/devel/html/config/ini-homing.html#_home_seq
 uence

 You can install master branch from buildbot
 http://buildbot.linuxcnc.org/ Then try sim/axis/gantry config



 
 
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>>> 
>>> --
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>
>
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Re: [Emc-users] Custom home sequence

[Eric H. Johnson]

John,

Don't I only need to run down through the below to install rtai? Also,
isin't 
sudo apt-get -y dist-upgrade 
going to upgrade me from Xubuntu 12.04 to 14.04? I should skip that step,
right?

sudo apt-get update
sudo apt-get -y dist-upgrade
sudo apt-key adv --keyserver hkp://keys.gnupg.net --recv-key
3cb9fd148f374fef
sudo add-apt-repository "deb http://linuxcnc.org/ precise base 2.7-rtai"
sudo apt-get update
sudo apt-get -y install linux-image-3.4-9-rtai-686-pae
rtai-modules-3.4-9-rtai-686-pae
sudo apt-get -y install linux-headers-3.4-9-rtai-686-pae
reboot and hold the left shift key down to get to the boot menu
select advanced options and pick the 3.4-9-rtai-686-pae kernel
uname -r
should report 3.4-9-rtai-686-pae
open the synaptic package manager and remove the generic image and headers

I am trying to install to a production box, not a development environment. I
run headless, and thus have used Xubuntu for its small footprint.

Thanks,
Eric


Yes I do.

JT


On 2/20/2017 5:02 PM, Andrew wrote:
> I remember that you had a similar .txt for preempt-rt on Mint, didn't you?
>
> 2017-02-21 0:51 GMT+02:00 John Thornton :
>
>> This is how I install rtai on Linux Mint 17.3
>>
>> JT
>>
>>
>>
>> On 2/20/2017 4:12 PM, Eric H. Johnson wrote:
>>
>>> I should add, I am using Xubuntu 12.04.
>>>
>>>
>>>
>>> Does rtai need to be installed separately to use these modules? I 
>>> believe apt-key ran properly and the linuxcnc repositories were added
properly.
>>> There were no errors with apt-get update.  I am getting errors of 
>>> the
>>> form:
>>>
>>> The following packages have unmet dependencies:
>>> Linuxcnc: Depends: linux-image-3.4-9-rtai-686-pae but it is not 
>>> installable.
>>>   Depends: rtai-modules-3.4-9-rtai-686-pae but 
>>> it is not installable ...
>>>
>>> Thanks
>>>
>>>
>>> Developer (master) version does exactly what you need.
>>> It also has sync homing. See
>>> http://linuxcnc.org/docs/devel/html/config/ini-homing.html#_home_seq
>>> uence
>>>
>>> You can install master branch from buildbot 
>>> http://buildbot.linuxcnc.org/ Then try sim/axis/gantry config
>>>
>>>
>>>
>>> 
>>> 
>>> --
>>> Check out the vibrant tech community on one of the world's most 
>>> engaging tech sites, SlashDot.org! http://sdm.link/slashdot 
>>> ___
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>>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>>
>>>
>>> 
>>> --
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>>> engaging tech sites, SlashDot.org! http://sdm.link/slashdot 
>>> ___
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>>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>>
>>
>> 
>> --
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>> engaging tech sites, SlashDot.org! http://sdm.link/slashdot 
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Re: [Emc-users] OT: What Is It?

[John Figie]

It looks like some kind of RF noise generator.   Actually the file path
name with "TIG" in it gives it away.

On Feb 20, 2017 5:30 PM, "dave"  wrote:

I think you just answered your own question. I suspect the spark gap
generated the hi-freq that makes non-contact arc start possible. If you
remember the earliest transmitters were a spark gap ... eg. wide-band
noise.

W  in your tig weld is a cause for automatic rejection (missile
propellant loading system piping.  It shows up on the x-ray as a really
white spot; much more radio-opaque than 18-8 SS. I'm told that a
majority  of present day  TIG is still done with scratch start. I
suppose when you do it all the  time scratch is easy.
HTH

Dave


On 02/20/2017 01:37 PM, Kirk Wallace wrote:
> On 02/17/2017 07:23 PM, Erik Christiansen wrote:
>> On 17.02.17 10:17, Kirk Wallace wrote:
>>> I know what it is, but while cruising through my pictures I got the
>>> notion that these look like a "What Is It" kind of thing. I thought I'd
>>> post them just for fun.
>> Kirk, the patterns arising from the metal transfer are intriguing.
>> The next question, though, is "What is it for?", and why the
>> symmetrical sparkgaps?
> I'm a little surprised that this "What's It" didn't get more replies.
> The pictures are of my Hobart TIG welder's spark gap assembly. The spark
> gap is used in a circuit that adds a high frequency signal to the torch
> to aid in starting an arc without having to touch the workpiece with the
> electrode tip. Getting any workpiece material on the tip will ruin the
> tip. I found a circuit of a DIY add-on arc starter here:
> http://www3.telus.net/public/a5a26316/WelderPDFs_Pics/dbARC_START.pdf
>
> which includes spark gaps. I believe the space between the gaps sets the
> output voltage. I don't really know much about welder technology or
> welding. Acquiring this knowledge has been on my ToDo list for many
> years. I have been successful at doing some steel and aluminum welding
> with this unit, but just enough to get a couple of jobs done.
>
> http://www.wallacecompany.com/machine_shop/Hobart_Cyber-TIG/
>



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Re: [Emc-users] linuxcnc on raspberry pi 3

[Abdul Rahman Riza]

Thank you Sir,

What is your opinion if I am using this break-out board for my rpi3 
http://wiki.zentoolworks.com/index.php/Zen_Toolworks_Stepper_Motor_Driver_Breakout_Board%285_Axis_Output_with_on_board_spindle_relay%29

mesa 7i90. is not available in my country

do you mean rpi3 won't work as cnc controller? I installed image from protoneer 
successfully .

Riza

On 02/08/2017 05:11 AM, W. Martinjak wrote:

On 2017-02-07 13:46, Abdul Rahman Riza wrote:


I want to build 3 axis vertical milling cnc for wood using gantry, my question 
before wrongly purchased component is:

  1.  What is the best compatible breakout board using raspberry pi3 ?
  2.  Is there any list of stepper motor compatible with raspberry pi 3 using 
linuxcnc?



As Gene mentioned, there is a hal driver for the mesa 7i90.
http://www.linuxcnc.org/docs/devel/html/man/man9/hm2_rpspi.9.html


But unfortunately there is no golden future for arm based boards in linuxcnc, 
because the core developer does not support the arm platform any more.

https://forum.linuxcnc.org/27-driver-boards/32183-is-raspberry-mesa-7i92-possible#86090
http://tom-itx.no-ip.biz:81/~tom-itx/irc/logs/%23linuxcnc-devel/2017-01-08.html#11:47:40

One smells the bad mood in this thread



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Re: [Emc-users] OT: What Is It?

[dave]

I think you just answered your own question. I suspect the spark gap 
generated the hi-freq that makes non-contact arc start possible. If you 
remember the earliest transmitters were a spark gap ... eg. wide-band 
noise.

W  in your tig weld is a cause for automatic rejection (missile 
propellant loading system piping.  It shows up on the x-ray as a really 
white spot; much more radio-opaque than 18-8 SS. I'm told that a 
majority  of present day  TIG is still done with scratch start. I 
suppose when you do it all the  time scratch is easy.
HTH

Dave


On 02/20/2017 01:37 PM, Kirk Wallace wrote:
> On 02/17/2017 07:23 PM, Erik Christiansen wrote:
>> On 17.02.17 10:17, Kirk Wallace wrote:
>>> I know what it is, but while cruising through my pictures I got the
>>> notion that these look like a "What Is It" kind of thing. I thought I'd
>>> post them just for fun.
>> Kirk, the patterns arising from the metal transfer are intriguing.
>> The next question, though, is "What is it for?", and why the
>> symmetrical sparkgaps?
> I'm a little surprised that this "What's It" didn't get more replies.
> The pictures are of my Hobart TIG welder's spark gap assembly. The spark
> gap is used in a circuit that adds a high frequency signal to the torch
> to aid in starting an arc without having to touch the workpiece with the
> electrode tip. Getting any workpiece material on the tip will ruin the
> tip. I found a circuit of a DIY add-on arc starter here:
> http://www3.telus.net/public/a5a26316/WelderPDFs_Pics/dbARC_START.pdf
>
> which includes spark gaps. I believe the space between the gaps sets the
> output voltage. I don't really know much about welder technology or
> welding. Acquiring this knowledge has been on my ToDo list for many
> years. I have been successful at doing some steel and aluminum welding
> with this unit, but just enough to get a couple of jobs done.
>
> http://www.wallacecompany.com/machine_shop/Hobart_Cyber-TIG/
>


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Re: [Emc-users] Custom home sequence

[Andrew]

Thank you!

2017-02-21 1:15 GMT+02:00 John Thornton :

> Yes I do.
>
> JT
>
>
>
> On 2/20/2017 5:02 PM, Andrew wrote:
>
>> I remember that you had a similar .txt for preempt-rt on Mint, didn't you?
>>
>> 2017-02-21 0:51 GMT+02:00 John Thornton :
>>
>> This is how I install rtai on Linux Mint 17.3
>>>
>>> JT
>>>
>>>
>>>
>>> On 2/20/2017 4:12 PM, Eric H. Johnson wrote:
>>>
>>> I should add, I am using Xubuntu 12.04.



 Does rtai need to be installed separately to use these modules? I
 believe
 apt-key ran properly and the linuxcnc repositories were added properly.
 There were no errors with apt-get update.  I am getting errors of the
 form:

 The following packages have unmet dependencies:
 Linuxcnc: Depends: linux-image-3.4-9-rtai-686-pae but it is not
 installable.
   Depends: rtai-modules-3.4-9-rtai-686-pae but it
 is
 not
 installable ...

 Thanks


 Developer (master) version does exactly what you need.
 It also has sync homing. See
 http://linuxcnc.org/docs/devel/html/config/ini-homing.html#_
 home_sequence

 You can install master branch from buildbot
 http://buildbot.linuxcnc.org/
 Then try sim/axis/gantry config



 
 
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 https://lists.sourceforge.net/lists/listinfo/emc-users


 
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>>> 
>>> --
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>>> engaging tech sites, SlashDot.org! http://sdm.link/slashdot
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>>>
>>>
>>> 
>> --
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>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>
>
>
> 
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Re: [Emc-users] Custom home sequence

[John Thornton]

Yes I do.

JT


On 2/20/2017 5:02 PM, Andrew wrote:

I remember that you had a similar .txt for preempt-rt on Mint, didn't you?

2017-02-21 0:51 GMT+02:00 John Thornton :


This is how I install rtai on Linux Mint 17.3

JT



On 2/20/2017 4:12 PM, Eric H. Johnson wrote:


I should add, I am using Xubuntu 12.04.



Does rtai need to be installed separately to use these modules? I believe
apt-key ran properly and the linuxcnc repositories were added properly.
There were no errors with apt-get update.  I am getting errors of the
form:

The following packages have unmet dependencies:
Linuxcnc: Depends: linux-image-3.4-9-rtai-686-pae but it is not
installable.
  Depends: rtai-modules-3.4-9-rtai-686-pae but it is
not
installable ...

Thanks


Developer (master) version does exactly what you need.
It also has sync homing. See
http://linuxcnc.org/docs/devel/html/config/ini-homing.html#_home_sequence

You can install master branch from buildbot http://buildbot.linuxcnc.org/
Then try sim/axis/gantry config





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sudo apt-get install -y devscripts build-essential
sudo apt-get install -y imagemagick texlive-font-utils tcl8.6-dev tk8.6-dev
sudo apt-get install -y libxaw7-dev libncurses-dev libreadline-gplv2-dev
sudo apt-get install -y dblatex groff python-dev python-tk libglu1-mesa-dev
sudo apt-get install -y libgtk2.0-dev asciidoc source-highlight 
sudo apt-get install -y libboost-python-dev texlive-lang-cyrillic debhelper
sudo apt-get install -y texlive-lang-french texlive-lang-spanish
sudo apt-get install -y texlive-lang-german libmodbus-dev dvipng
sudo apt-get install -y libusb-1.0-0-dev graphviz inkscape python-numpy
sudo apt-get install -y python-imaging-tk python-gtkglext1 tclreadline blt
git clone git://git.linuxcnc.org/git/linuxcnc.git lcnc
cd lcnc
git checkout -b 2.7 origin/2.7
debian/configure uspace ; debuild -uc -us
cd ..
sudo dpkg -i linuxcnc-uspace_2.7.4_i386.deb
sudo dpkg -i linuxcnc-doc-en_2.7.4_all.deb--
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Re: [Emc-users] 6I24 PCI or 7I80 Ethernet?

[Andrew]

2017-02-21 0:49 GMT+02:00 Peter C. Wallace :


> Assuming you have a 7I80HD-16, 7i80hd_16_svst1_4_7i47s.bit
>
> will give you a config with 4 stepgens, 4 encoders, 1 pwmgen for spindle
> (on GPIO 0..23) and GPIO 24..71 as plain I/O
>

That's what I need, thanks!

No support in pncconf for these boards?
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Re: [Emc-users] Custom home sequence

[Andrew]

I remember that you had a similar .txt for preempt-rt on Mint, didn't you?

2017-02-21 0:51 GMT+02:00 John Thornton :

> This is how I install rtai on Linux Mint 17.3
>
> JT
>
>
>
> On 2/20/2017 4:12 PM, Eric H. Johnson wrote:
>
>> I should add, I am using Xubuntu 12.04.
>>
>>
>>
>> Does rtai need to be installed separately to use these modules? I believe
>> apt-key ran properly and the linuxcnc repositories were added properly.
>> There were no errors with apt-get update.  I am getting errors of the
>> form:
>>
>> The following packages have unmet dependencies:
>> Linuxcnc: Depends: linux-image-3.4-9-rtai-686-pae but it is not
>> installable.
>>  Depends: rtai-modules-3.4-9-rtai-686-pae but it is
>> not
>> installable ...
>>
>> Thanks
>>
>>
>> Developer (master) version does exactly what you need.
>> It also has sync homing. See
>> http://linuxcnc.org/docs/devel/html/config/ini-homing.html#_home_sequence
>>
>> You can install master branch from buildbot http://buildbot.linuxcnc.org/
>> Then try sim/axis/gantry config
>>
>>
>>
>> 
>> 
>> --
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>> tech sites, SlashDot.org! http://sdm.link/slashdot
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>> https://lists.sourceforge.net/lists/listinfo/emc-users
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>
>
> 
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Re: [Emc-users] Custom home sequence

[John Thornton]

This is how I install rtai on Linux Mint 17.3

JT


On 2/20/2017 4:12 PM, Eric H. Johnson wrote:

I should add, I am using Xubuntu 12.04.



Does rtai need to be installed separately to use these modules? I believe
apt-key ran properly and the linuxcnc repositories were added properly.
There were no errors with apt-get update.  I am getting errors of the form:

The following packages have unmet dependencies:
Linuxcnc: Depends: linux-image-3.4-9-rtai-686-pae but it is not installable.
 Depends: rtai-modules-3.4-9-rtai-686-pae but it is not
installable ...

Thanks


Developer (master) version does exactly what you need.
It also has sync homing. See
http://linuxcnc.org/docs/devel/html/config/ini-homing.html#_home_sequence

You can install master branch from buildbot http://buildbot.linuxcnc.org/
Then try sim/axis/gantry config




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Linux Mint RTAI
Install LinuxMint 17.3 32-bit Mate Desktop
sudo apt-get update
sudo apt-get -y dist-upgrade
sudo apt-key adv --keyserver hkp://keys.gnupg.net --recv-key 3cb9fd148f374fef
sudo add-apt-repository "deb http://linuxcnc.org/ precise base 2.7-rtai"
sudo apt-get update
sudo apt-get -y install linux-image-3.4-9-rtai-686-pae 
rtai-modules-3.4-9-rtai-686-pae
sudo apt-get -y install linux-headers-3.4-9-rtai-686-pae
reboot and hold the left shift key down to get to the boot menu
select advanced options and pick the 3.4-9-rtai-686-pae kernel
uname -r
should report 3.4-9-rtai-686-pae
open the synaptic package manager and remove the generic image and headers
git clone git://git.linuxcnc.org/git/linuxcnc.git emc
sudo apt-get install -y devscripts build-essential
sudo apt-get install -y imagemagick texlive-font-utils tcl8.6-dev tk8.6-dev
sudo apt-get install -y libxaw7-dev libncurses-dev libreadline-gplv2-dev
sudo apt-get install -y dblatex groff python-dev python-tk libglu1-mesa-dev
sudo apt-get install -y libgtk2.0-dev asciidoc source-highlight 
sudo apt-get install -y libboost-python-dev texlive-lang-cyrillic debhelper
sudo apt-get install -y texlive-lang-french texlive-lang-spanish
sudo apt-get install -y texlive-lang-german libmodbus-dev dvipng
sudo apt-get install -y libusb-1.0-0-dev graphviz inkscape python-numpy
sudo apt-get install -y python-imaging-tk python-gtkglext1 tclreadline blt
sudo apt-get install -y bwidget libtk-img tclx w3c-linkchecker

To build a RIP
cd emc/src
./autogen.sh
./configure --enable-build-documentation=html
make
sudo make setuid
cd ..
. ./scripts/rip-environment

To build a DEB
cd emc
git checkout -b 2.7 origin/2.7
debian/configure -r ; debuild -uc -us
cd ..
sudo dpkg -i linuxcnc_2.7.4_i386.deb
sudo dpkg -i linuxcnc-doc-en_2.7.4_all.deb

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Re: [Emc-users] 6I24 PCI or 7I80 Ethernet?

[Peter C. Wallace]

On Tue, 21 Feb 2017, Andrew wrote:

> Date: Tue, 21 Feb 2017 00:26:58 +0200
> From: Andrew 
> Reply-To: "Enhanced Machine Controller (EMC)"
> 
> To: "Enhanced Machine Controller (EMC)" 
> Subject: Re: [Emc-users] 6I24 PCI or 7I80 Ethernet?
> 
> 2017-02-04 0:09 GMT+02:00 Peter C. Wallace :
>
 If its sinking current, yes, you can get 5V swings (so OK for drives
>> with
 common +5 on the Opto inputs) if sourcing, it can only swing to 3.3V or
>> so
 which is not so good.

>>>
>>> Good for me, the desired drives have common +5V.
>>>

 Note that if you use bare FPGA I/O, a single wiring mistake will ruin
>> your
 day...

>>>
>>> Sure, that's a risk...
>>> I would take 7i47S if I needed an analog output... or 7i47 if I needed
>>> encoders.
>>> 7i42TA would do the job either?
>> All would work
>>
>> The 7I42 is just a I/O protector so doesnt change the FPGA drive capability
>> but will protect the FPGA I/O from mistakes up to +-12V
>>
>> Just want to make sure before ordering
> Let's suppose I have 7i80HD and 7i47S.
> I need step/dir/enable for 3 stepper drives routed to 7i47S TX outputs and
> 48 GPIOs on two 50pin connectors.
> Where do I connect 7i47S (P1, P2, P3)? Which firmware do I use?
> Thanks
> --
>
Assuming you have a 7I80HD-16, 7i80hd_16_svst1_4_7i47s.bit

will give you a config with 4 stepgens, 4 encoders, 1 pwmgen for spindle
(on GPIO 0..23) and GPIO 24..71 as plain I/O

Peter Wallace
Mesa Electronics


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Re: [Emc-users] 6I24 PCI or 7I80 Ethernet?

[Andrew]

2017-02-04 0:09 GMT+02:00 Peter C. Wallace :

> >> If its sinking current, yes, you can get 5V swings (so OK for drives
> with
> >> common +5 on the Opto inputs) if sourcing, it can only swing to 3.3V or
> so
> >> which is not so good.
> >>
> >
> > Good for me, the desired drives have common +5V.
> >
> >>
> >> Note that if you use bare FPGA I/O, a single wiring mistake will ruin
> your
> >> day...
> >>
> >
> > Sure, that's a risk...
> > I would take 7i47S if I needed an analog output... or 7i47 if I needed
> > encoders.
> > 7i42TA would do the job either?
> All would work
>
> The 7I42 is just a I/O protector so doesnt change the FPGA drive capability
> but will protect the FPGA I/O from mistakes up to +-12V
>
> Just want to make sure before ordering
Let's suppose I have 7i80HD and 7i47S.
I need step/dir/enable for 3 stepper drives routed to 7i47S TX outputs and
48 GPIOs on two 50pin connectors.
Where do I connect 7i47S (P1, P2, P3)? Which firmware do I use?
Thanks
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Re: [Emc-users] Custom home sequence

[Eric H. Johnson]

I should add, I am using Xubuntu 12.04.



Does rtai need to be installed separately to use these modules? I believe
apt-key ran properly and the linuxcnc repositories were added properly.
There were no errors with apt-get update.  I am getting errors of the form:

The following packages have unmet dependencies:
Linuxcnc: Depends: linux-image-3.4-9-rtai-686-pae but it is not installable.
Depends: rtai-modules-3.4-9-rtai-686-pae but it is not
installable ...

Thanks


Developer (master) version does exactly what you need.
It also has sync homing. See
http://linuxcnc.org/docs/devel/html/config/ini-homing.html#_home_sequence

You can install master branch from buildbot http://buildbot.linuxcnc.org/
Then try sim/axis/gantry config




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Re: [Emc-users] Custom home sequence

[Eric H. Johnson]

Does rtai need to be installed separately to use these modules? I believe
apt-key ran properly and the linuxcnc repositories were added properly.
There were no errors with apt-get update.  I am getting errors of the form:

The following packages have unmet dependencies:
Linuxcnc: Depends: linux-image-3.4-9-rtai-686-pae but it is not installable.
Depends: rtai-modules-3.4-9-rtai-686-pae but it is not
installable
...

Thanks


Developer (master) version does exactly what you need.
It also has sync homing. See
http://linuxcnc.org/docs/devel/html/config/ini-homing.html#_home_sequence

You can install master branch from buildbot http://buildbot.linuxcnc.org/
Then try sim/axis/gantry config



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Re: [Emc-users] OT: What Is It?

[Kirk Wallace]

On 02/17/2017 07:23 PM, Erik Christiansen wrote:
> On 17.02.17 10:17, Kirk Wallace wrote:
>> I know what it is, but while cruising through my pictures I got the
>> notion that these look like a "What Is It" kind of thing. I thought I'd
>> post them just for fun.
>
> Kirk, the patterns arising from the metal transfer are intriguing.
> The next question, though, is "What is it for?", and why the
> symmetrical sparkgaps?

I'm a little surprised that this "What's It" didn't get more replies. 
The pictures are of my Hobart TIG welder's spark gap assembly. The spark 
gap is used in a circuit that adds a high frequency signal to the torch 
to aid in starting an arc without having to touch the workpiece with the 
electrode tip. Getting any workpiece material on the tip will ruin the 
tip. I found a circuit of a DIY add-on arc starter here:
http://www3.telus.net/public/a5a26316/WelderPDFs_Pics/dbARC_START.pdf

which includes spark gaps. I believe the space between the gaps sets the 
output voltage. I don't really know much about welder technology or 
welding. Acquiring this knowledge has been on my ToDo list for many 
years. I have been successful at doing some steel and aluminum welding 
with this unit, but just enough to get a couple of jobs done.

http://www.wallacecompany.com/machine_shop/Hobart_Cyber-TIG/

-- 
Kirk Wallace
http://www.wallacecompany.com/machine_shop/
http://www.wallacecompany.com/E45/

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Re: [Emc-users] Custom home sequence

[Eric H. Johnson]

Thanks John and Andrew. Bonus, I did not realize I could use Ubuntu 12.04
(Precise).

Eric



Developer (master) version does exactly what you need.
It also has sync homing. See
http://linuxcnc.org/docs/devel/html/config/ini-homing.html#_home_sequence

You can install master branch from buildbot http://buildbot.linuxcnc.org/
Then try sim/axis/gantry config

2017-02-20 19:09 GMT+02:00 Eric H. Johnson :

>
>
> I am finally getting around to re-controlling a large (15' x 30') XY
table.
> The gantry is driven by two oppositely mounted servo motors, axes Y1 
> and Y2.
> The current homing sequence works as follows:
>
>
>
> Y1 and Y2 move together until Y1 resolves its home.
>
> Y2 then decouples from Y1 and resolves its home.
>
> Thereafter Y1 and Y2 are recoupled.
>
>
>
> I am trying to figure out how to do basically the same thing under 
> Linuxcnc, or an alternate approach that works equally as well. I 
> looked at the "gantry" example program, which does much the same thing 
> with stepper motors, and uses gantrykins for the kinematics module. 
> The home looks to be done effectively manually by switching between 
> joint and world mode. Can this be done as part of an automated home 
> sequence?
>
>
>
> Note: There is enough play in Y2 that it can move roughly +/- 2" from 
> being dead on with Y1 before it will start to mechanically bind.
>
>
>
> Thanks.
>
> 
> --
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> engaging tech sites, SlashDot.org! http://sdm.link/slashdot 
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[Emc-users] error message

[dave]

Hi all,
I have finally upgraded the computer on my Cincinatti. In service since 
~2001. Now have a mini-itx -MW525.
It is now passably well tuned. Starts and stops are a bit rough because 
of the backlash but I think usable.
However, mdi moves are giving a message 'can't open none'. Pretty terse. 
What does it expect?
TIA

Dave

ps. the linuxcnc was something like 2.5.x pre. so maybe not too old. 
However as the frog said, "times fun when you are having flies".


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Re: [Emc-users] Custom home sequence

[Andrew]

Developer (master) version does exactly what you need.
It also has sync homing. See
http://linuxcnc.org/docs/devel/html/config/ini-homing.html#_home_sequence

You can install master branch from buildbot
http://buildbot.linuxcnc.org/
Then try sim/axis/gantry config

2017-02-20 19:09 GMT+02:00 Eric H. Johnson :

>
>
> I am finally getting around to re-controlling a large (15' x 30') XY table.
> The gantry is driven by two oppositely mounted servo motors, axes Y1 and
> Y2.
> The current homing sequence works as follows:
>
>
>
> Y1 and Y2 move together until Y1 resolves its home.
>
> Y2 then decouples from Y1 and resolves its home.
>
> Thereafter Y1 and Y2 are recoupled.
>
>
>
> I am trying to figure out how to do basically the same thing under
> Linuxcnc,
> or an alternate approach that works equally as well. I looked at the
> "gantry" example program, which does much the same thing with stepper
> motors, and uses gantrykins for the kinematics module. The home looks to be
> done effectively manually by switching between joint and world mode. Can
> this be done as part of an automated home sequence?
>
>
>
> Note: There is enough play in Y2 that it can move roughly +/- 2" from being
> dead on with Y1 before it will start to mechanically bind.
>
>
>
> Thanks.
>
> 
> --
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> engaging tech sites, SlashDot.org! http://sdm.link/slashdot
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Re: [Emc-users] Custom home sequence

[John Thornton]

The master branch has gantry homing now.

JT


On 2/20/2017 11:09 AM, Eric H. Johnson wrote:
>   
>
> I am finally getting around to re-controlling a large (15' x 30') XY table.
> The gantry is driven by two oppositely mounted servo motors, axes Y1 and Y2.
> The current homing sequence works as follows:
>
>   
>
> Y1 and Y2 move together until Y1 resolves its home.
>
> Y2 then decouples from Y1 and resolves its home.
>
> Thereafter Y1 and Y2 are recoupled.
>
>   
>
> I am trying to figure out how to do basically the same thing under Linuxcnc,
> or an alternate approach that works equally as well. I looked at the
> "gantry" example program, which does much the same thing with stepper
> motors, and uses gantrykins for the kinematics module. The home looks to be
> done effectively manually by switching between joint and world mode. Can
> this be done as part of an automated home sequence?
>
>   
>
> Note: There is enough play in Y2 that it can move roughly +/- 2" from being
> dead on with Y1 before it will start to mechanically bind.
>
>   
>
> Thanks.
>
> --
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> engaging tech sites, SlashDot.org! http://sdm.link/slashdot
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[Emc-users] [OT] Wife is good to go

[Roland Jollivet]

It's not just how smart you are. The problem is propriety knowledge. You
can mess with some gadget for ages, but if you can't find the chips on the
net, it's usually not worth the effort.


On 20 February 2017 at 12:54, Peter Blodow  wrote:

> Wow, good to hear of a guy who is not as conceitet as are all others...
> I think much the same about myself.
> Principally, you are right, it's a question of specialisation. But
> modern civilisation lives from the fact that NOT everybody can do
> everything, so handicrafts and commerce came into being. Wealth does not
> come from DIY.
> Peter
>
>
> Am 20.02.2017 11:26, schrieb andy pugh:
> > On 20 February 2017 at 03:37, Dave Cole  wrote:
> >> They aren't that hard to service.
> >> However the Iphones are known to be difficult.   Still, the Iphone
> >> repair guys are human as well.
> > I work on the principle that anything that can be made by humans can
> > be made by me, given enough time and money.
> > Then I decide on whether I want to invest the time and money into the
> problem.
> >
> > iPhone battery replacement is not especially difficult, I have done it
> > a couple of times.
> >
> > I have been hacking Apple kit for years. Back in 1995 I re-clocked my
> > Mac LC475 by swapping some tiny SMT resistors on the motherboard, and
> > I upgraded the graphics card on my G4 Cube. That involved moving some
> > of the taller components on the PSU board to the opposite side of the
> > board.
> > You just have to be brave enough to try, much of the time.
> >
>
>
> ---
> Diese E-Mail wurde von Avast Antivirus-Software auf Viren geprüft.
> https://www.avast.com/antivirus
>
>
> 
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Re: [Emc-users] [OT] Wife is good to go

[Jon Elson]

On 02/20/2017 08:48 AM, Gene Heskett wrote:
>
> This house has alu siding, so that might explain the short battery life
> IF it was both phones, but its not, she uses hers 10x what I use mine,
> and it still runs a couple days between charges.
>
>
Well, I just don't know.  Glad she is back home and doing well!

Jon

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Re: [Emc-users] [OT] Wife is good to go

[Gene Heskett]

On Monday 20 February 2017 10:45:40 andy pugh wrote:

> On 20 February 2017 at 15:34, Gene Heskett  
wrote:
> > Even the chuck on this lathe seems pretty heavy but I think its
> > under 40 lbs. A 3 jaw, 2 piece jaws that I can't read the brand name
> > of, but made in Poland,
>
> Probably Bison then.
>
> http://www.bison-bial.pl/
>
> Or, if you prefer to read it in english: http://www.bison-america.com/

If its not a Bison, its a heck of a good imitation. The gold emblem 
sticker is missing, but its otherwise a dead ringer for their 3 jaw. 
Single O stamped next to the master chuck wrench socket but I expect 
thats a standard marking.

Thanks Andy.  This will help in deciding which 4 jaw and backplate I buy.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] [OT] Wife is good to go

[Gene Heskett]

On Monday 20 February 2017 10:02:05 andy pugh wrote:

> On 20 February 2017 at 14:48, Gene Heskett  
wrote:
> > IF it was both phones, but its not, she uses hers 10x what I use
> > mine, and it still runs a couple days between charges.
>
> Swap phones. See what happens.

I thought of that Andy, but she saves phone nums I don't, so it would 
take a while to re-enter all that stuff to make mine work like hers.
Since I don't use mine that much anyway... Minor pita only and I have  
more major ones to attack first.

Thanks.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] linuxcnc on udoo x86 / udoo x86 ultra was linuxcnc on raspberry pi 3

[TJoseph Powderly]

Thanks Erik
my beaglebone, qubie and orangePiPlus2e cant do graphics like the video 
you posted
( heck my dm510 cant do it either )
All of those were candidates for linuxcnc but are now just bookshelf 
knickknacks.
the video doesnt prove that an rt kernel linuxcnc image would run that 
well, but hope springs eternal.
I'd think that ethernet mesa cards might be used as well as the weirdo 
pcie cable extension thingy.
Please keep us posted on the Udoo and any experiences with linuxcnc on it
tomp tjtr33

On 02/20/17 18:09, Erik Christiansen wrote:
--snip-

> Have look at
> this:
>
> https://www.youtube.com/watch?v=Ibj0xOj42VA
>
> Erik
> (Fingers crossed that there are no more gremlins in the Udoo pie.)
>


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Re: [Emc-users] [OT] Wife is good to go

[Gene Heskett]

On Monday 20 February 2017 04:54:42 Marshland Engineering wrote:

> Bought a Samsung Smart TV and really regretted it. Keeps updating
> itself and changes the icons etc etc. 'Support' from India and almost
> all requests end in a "do a system reset" Oh yeah.   No keyboard works
> properly and you have to fart around with the arrows on the remote to
> type things in. Bought a new low end Computer and a Hauppauge TV tuner
> card. What a difference. I actually enjoy watching TV now. All my
> Internet stuff and Live TV without any hiccups. Scheduler and TV guide
> all works fine. PS get a dual tuber card so it doesn't flick you off
> once a recorded program boots in (which the Samsung does).
>
> Cheers Wallace
>
Good info, thanks.  The Samsungs I have 2 of do not have an rj-45, only a 
usb-2 for a service port and TBT, any tv that can phone home for 
anything but a firmware update is off the table. I do know how to run 
wireshark.

Samsungs have been good, I bought two smaller ones when we converted in 
2008, and one still works great in my bedroom, but the other killed its 
tuner, so its on a vga cable on the G0704. The CCFL backlights are 
getting slow, but thats fixable, 2 caps in the PSU, and it will be as 
good as new.

Cheers, Gene Heskett
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] [OT] Wife is good to go

[Gene Heskett]

On Monday 20 February 2017 00:37:19 Erik Christiansen wrote:

> That's very good to hear, Gene.
>
> On 19.02.17 19:20, Gene Heskett wrote:
> > We're home, but I think she thinks my hip joints get 100 miles per
> > pain pill. NOT. 20 yards, maybe.
>
> New ones are a 24 carat godsend, Gene. My mother (85 in a few weeks)
> was right out of it on morphine patches, a few years ago, when she
> went in for the first artificial hip joint. After a week and a half in
> hospital, then a couple of weeks in rehab, she was off home. It went
> so well that she asked the specialist if the other one could be
> slotted in without the extra months of delay that would occur if she
> went back through the GP for a referral. The second one was easier
> than the first, with a good new leg for support, and they wanted to
> send her home after just a week in hospital - no rehab. They settled
> on one week of rehab, rather than the standard three, by which time my
> sister could be there when she came home. I think it took nearly a
> year for both hips to be done. It has given her a new lease on life.
> It is possible that being a farm girl from the time when they loaded
> sheaves onto wagons with a pitchfork has given her the stamina, but
> ISTR you're cast in a similar mould.
>
Chuckle.  I'd like to think so, but I've not been that good to me over 
the years, and that pick up 200 lbs & walk it across town if it needs to 
go attitude has caught up with me, darnit.  The Missus, w/o mentioning 
why, had me disable our water softener about 3 years ago. We can afford 
the salt. But I think she wanted to remove the struggle of me handling 2 
to 4 40lb bags of salt thru the house & down a flight of stairs when it 
needed refilled.  And while I won't claim I can cast nails out of it, it 
is a little hard. OTOH, the human body needs the trace elements in hard 
water.

Even the chuck on this lathe seems pretty heavy but I think its under 40 
lbs. A 3 jaw, 2 piece jaws that I can't read the brand name of, but made 
in Poland, but I'm considering at some point a 4 jaw non scroll 
replacement even if it is fiddly to zero in the workpiece.  An ATSC 
scroll would be nice, but needs about $1500 to put the boxes on my front 
deck. But I've not checked ebay either. I'll make a little more slop in 
the ledge size of this one yet & see if I can get it closer yet. 
Whatever I do, it will need a new backplate too.  And an internal thread 
cutting boring bar big enough to cut those 8 tpi threads in the blank 
plate. I'd get a ready made plate from grizzly but the pix don't show a 
rear hub I can grab to lock it to the spindle.

But with the Missus on the injured list, I've not had the time to dis it 
again. So it needs that, both home switches installed, and some sort of 
a crossfeed screw cover to keep swarf off that screw yet. I'll put up 
some pix and ask for advice at some point.

I have it covered between the toolpost base and the back end of the screw 
by letting in a piece of ALU rack panel about and inch wide by widening 
the nut slot in the crossfeed about 1/16" of both sides to a depth of 
around .1" and gluing the panel into the recess formed.

> It's harder to fit in when you're a carer, but if postponed until the
> hips won't go any more, then there's no choice in the timing.
> (Sometimes it pays to grab the bull by the goolies, rather than wait
> for him to catch you on his horns.)
>
> Erik

My hips are actually in excellent shape, plenty of cartilage left in the 
sockets according to the MRI's, its collapsed disks pinching on the 
sciatic nerve, so I have lots of phantom pain in the joints, but the 
joints are very good looking in the pix.  Some of the left knee might 
well be from the same cause, but the h. acid shots into the area under 
the kneecap work pretty well for at least a year.  And they are due 
again.  Its been pulled out of joint too many times in 82+ years.
The last 2 times, side ways. Not good...

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] [OT] Wife is good to go

[andy pugh]

On 20 February 2017 at 14:48, Gene Heskett  wrote:
> IF it was both phones, but its not, she uses hers 10x what I use mine,
> and it still runs a couple days between charges.

Swap phones. See what happens.

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
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Re: [Emc-users] [OT] Wife is good to go

[John Thornton]

Any little phone shop can replace it, we even have a couple of shops 
like that here in little Poplar Bluff.

JT


On 2/19/2017 6:01 PM, Gene Heskett wrote:
> On Sunday 19 February 2017 13:37:09 John Thornton wrote:
>
>> Great news Gene. Maybe you have a bad battery...
>>
>> JT
>>
> Who is gonna replace it John?  They (Wallies), don't even have
> replacement batteries that I am aware of.
>
>> On 2/19/2017 12:21 PM, Gene Heskett wrote:
>>> Hi guys;
>>>
>>> I just got a call from my Missus, all the tests and imagery they've
>>> done at Ruby must be ok, so they discharged her effective  now, and
>>> now I'm killing an hour while my cell phone charges as I'll need it
>>> on the approach to Ruby. She was acting normal when I was there
>>> yesterday. Answered prayers?
>>>
>>> I'd kill for a cell phone that didn't go dead in 18 hours in my
>>> pocket, her identical model can go 2+ days, and is used 4x as much.
>>> Go figure...
>>>
>>> Cheers, Gene Heskett
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> Cheers, Gene Heskett


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Re: [Emc-users] [OT] Wife is good to go

[Gene Heskett]

On Monday 20 February 2017 00:30:27 Jon Elson wrote:

> On 02/19/2017 12:21 PM, Gene Heskett wrote:
> > Hi guys;
> >
> > I just got a call from my Missus, all the tests and imagery they've
> > done at Ruby must be ok, so they discharged her effective  now, and
> > now I'm killing an hour while my cell phone charges as I'll need it
> > on the approach to Ruby. She was acting normal when I was there
> > yesterday. Answered prayers?
> >
> > I'd kill for a cell phone that didn't go dead in 18 hours in my
> > pocket, her identical model can go 2+ days, and is used 4x as much. 
> > Go figure...
>
> Get an old LG TracFone, it will run for 4 days or so on a
> charge. My wife got a bunch of TracFones at WalMart some
> years ago.  My kids stopped using them, and I generally
> don't carry one except on trips.  I keep adding minutes when
> I go on trips and then letting the phone expire when I'm not
> traveling.
>
> Oh, one thing I learned from my boss.  If he took his cell
> phone down into our lab, it would kill the battery in ONE
> HOUR.  Our lab is mostly below ground, and full of computers
> and  electrical equipment that may interfere with the cell
> reception.  So, the phone turned up the transmit power
> trying to stay in contact with the cell tower.
>
> Jon

This house has alu siding, so that might explain the short battery life 
IF it was both phones, but its not, she uses hers 10x what I use mine, 
and it still runs a couple days between charges. 

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Cheers, Gene Heskett
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] [OT] Wife is good to go

[Gene Heskett]

On Sunday 19 February 2017 23:55:34 TJoseph Powderly wrote:

> gene, i dunno if this can help
> last nite i installed a 'fall detector' on wife's android phone
> it uses the accelerometers to detect a sudden change, then looks for a
> period of no motion
> ( thats how they define a fall to unconcioussness )
> then it makes a LOT of noise and calls a given cell phone
> i'm still looking into varoius code sources,
> but this just works
>
> https://www.youtube.com/watch?v=U7aKZyiySYg
>
>
> oh you can trigger manually by shaking and laying it down :-)
>
> i was looking into a 'honey come here' pendant for each of us
> press one, other buzzes
> and came across this fall detector idea
>
> lotsa uni's in your area doing research on same
>
> regards
> Tomp tjtr33

I'm thinking in terms of a well built gismo we can hang on good 
necklasses, 2 buttons, one makes the other unit scream for attention, 
the other acts as a walkie-talkie PTS. I don't even know if such a 
critter is available, but I don't want to be slaved to some monthly 
service like they tout endlessly on the telly. Something about the size 
of the fob for your car keys with its grouping of buttons.  Those things 
are tough and can only be destructed by time & button battery failures.  
Working range maybe 100ft thru the alu siding of the house so it can 
catch me even if I'm on the rider trying to control my jungle.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] Koerner retrofit

[Sven Wesley]

But. I. Don't. Want. Windows!


2017-02-20 13:50 GMT+01:00 andy pugh :

> On 20 February 2017 at 09:48, Florian Rist  wrote:
> > That's exactly what a hot wire cutter from Stepfour that we have here is
> > doing. It start windows 95, than quits Windows, returns to DOS and
> > starts the CNC controller. I should change this and prevent win.exe from
> > starting in the first place...
>
> This is probably fairly easy.
>
> You just need to swap win.exe to the CNC .exe file in the win.ini file.
>
> It used to amuse me to change it to clock.exe on machines left
> unlocked. You end up with a Windows95 GUI that can tell you the time,
> but nothing else :-)
>
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Re: [Emc-users] Koerner retrofit

[andy pugh]

On 20 February 2017 at 09:48, Florian Rist  wrote:
> That's exactly what a hot wire cutter from Stepfour that we have here is
> doing. It start windows 95, than quits Windows, returns to DOS and
> starts the CNC controller. I should change this and prevent win.exe from
> starting in the first place...

This is probably fairly easy.

You just need to swap win.exe to the CNC .exe file in the win.ini file.

It used to amuse me to change it to clock.exe on machines left
unlocked. You end up with a Windows95 GUI that can tell you the time,
but nothing else :-)

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1916

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Re: [Emc-users] Koerner retrofit

[Gregg Eshelman]

Windows 95, most likely. It plays very well with DOS software running within it 
and if it doesn't you can setup a shortcut to exit Win95, run the DOS program 
then automatically relaunch windows when you quit the DOS program. Windows 98, 
nope, can't do that. If a DOS program doesn't work within 98 and later, you 
just don't get to run it - not without a virtual machine.

MS-DOS was finally gone as the underpinnings of Windows with Windows 98. The 
"handoff" to Windows gets DOS out of the way completely with Win98.

You can create a DOS 7.1 system without Win98/98SE and run DOS software on it, 
even Windows 3.1x. Win98 and later can't be booted to DOS mode or restarted in 
DOS mode. If you're up to the task you can create a dual boot DOS 7.1 and 
Windows 98 setup to sort of get back to how Win95 operated.

One thing the DOS with Windows 95 brought to the table was removing the need 
for COMMAND.COM and MSDOS.SYS to start in specific sectors on a drive. All the 
functions of both were merged into COMMAND.COM and MSDOS.SYS was made into an 
editable text file that made it easy to change how the computer booted.

With Windows 95 OSR2 aka 95b (and its minor variants 95B and 95c, mostly 
referencing the version of Internet Explorer packed in) came FAT32 and the DOS 
version updated to work with it. That was also the first Windows to support 
USB, with an addon package, and much like PCMCIA with Windows 3.1x and DOS you 
needed a separate driver for almost every device, including storage. Very 
problematic to have several different thumb drives, each needing its own 
driver. There wasn't a USB Mass Storage class driver yet. That didn't come 
along until 98, it got better in 98SE and really good in WinMe. The WinMe USB 
drivers have been packaged into installers for 98 and 98SE. Can be found on the 
MSFN forum. That and other good bits from WinMe plus KernelEX and you can 
frankenstein a lean and mean 98SE based OS that can run many programs which 
"require" Windows XP.

  From: Peter Blodow 
 To: Enhanced Machine Controller (EMC)  
 Sent: Monday, February 20, 2017 2:26 AM
 Subject: Re: [Emc-users] Koerner retrofit
   
Florian, Windows 95 / 98 is MS-DOS with a graphic user interface on top. 
There was a boot option to start with DOS and then start Windows 
manually afterwards from the command line, calling c:\windows\win.exe. 
It was possible to stop Windows, too, get out and return to the normal 
DOS surface. Very much like GEM on Commodore computers. When you asked 
for the system ID under Windows 95 it answered "DOS 7".

So, it should be possible to run a DOS program under Windows 95, maybe 
using some ingenuity.

Peter
   
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Re: [Emc-users] linuxcnc on udoo x86 / udoo x86 ultra was linuxcnc on raspberry pi 3

[Erik Christiansen]

On 20.02.17 22:09, Erik Christiansen wrote:
> Would this be the sort of gadget to get from M.2 to PCIe?:
> 
> http://www.ebay.com/itm/Cable-Adapter-M-2-NGFF-SSD-to-PCI-e-Express-4X-Adapter-/112304837686?hash=item1a25e3d436:g:~iIAAOSw~AVYpMNx

An update: That's "Key M". The Udoo X86 needs "Key B" for the dingus to
fit. This link depicts the B,M, and B/M keyings, but lacks an old-fashioned
PCIe connector, if my eyesight is any good at this time of night:

http://www.ebay.com/itm/50mm-Mini-PCI-E-52-Pin-mSATA-SSD-to-M-2-NGFF-B-key-Adapter-Add-on-Cards-PCBA-/162305096399?hash=item25ca233acf:g:Z9IAAOSwnHZYQTnt

If there isn't anything neater, would this:

http://www.ebay.com/itm/Dual-Port-NGFF-M-2-B-M-Key-SSD-to-PCI-Express-PCI-E-4X-SATA-Adapter-PC-Card-/331974572118?hash=item4d4b39f856:g:lpQAAOSwFdtX0UA8

perhaps plug into a spare PCI riser card, with the Mesa PCI card in the
other socket on the riser card, and the B-key M.2 plugged into the
socket on the above card, using gawd knows what cable?

There has to be a better way on ebay. Muñana.

Erik

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[Emc-users] linuxcnc on udoo x86 / udoo x86 ultra was linuxcnc on raspberry pi 3

[Erik Christiansen]

On 09.02.17 01:20, TJoseph Powderly wrote:
> but this x86 looks interesting forlinuxcnc
> 
> the "udoo x86 ultra"   tadaaa
> 
> it came out of kickstarter
> http://mouser.com/new/udoo/udoo-x86/
> https://www.slant.co/topics/1629/viewpoints/26/~single-board-computers~udoo-x86

I ordered (and paid for) one of those 5 months ago, after the original
kickstarter units had shipped (AIUI). It's still not here, and the
latest news (23.01.17) is:

>>>
Dear customer,
good news for UDOO X86!
The development in fact has finished successfully: the board has been
validated and is now working like a charm.

According to the new schedule, we're going to start shipping pre-ordered
items in the first week of April, eventually in the last week of March.
<<<

Somewhere since September there's a thread where I suggested it to Gene when
he griped about his Pi running like treacle, and Andy said he had one,
though that now appears to be the older non-intel Udoo Quad, in reality.

...
> but i've read this also
> "Indeed, any UDOO X86 will support PCI express on M2 slot (2 lanes) from 
> now on."
> i have no idea what that means, just that it seems to mention PCIe and
> the M2 slot seems to be discussed here
> https://en.wikipedia.org/wiki/M.2
> but it doesnt look like any PCIe that i have used
> so it looks like some weird adapter lets you use PCIe cards
> http://www.hwtools.net/ExtenderBoard/P14S-P14F.html

Would this be the sort of gadget to get from M.2 to PCIe?:

http://www.ebay.com/itm/Cable-Adapter-M-2-NGFF-SSD-to-PCI-e-Express-4X-Adapter-/112304837686?hash=item1a25e3d436:g:~iIAAOSw~AVYpMNx

I could snaffle something similar here down under, and hook up the old
mesa card I have here - when my Udoo X86 makes it off the production
line and wends its way penguin-ward.

> looks possible, but a 300$ gamble

Already done that. Another $15 for an adaptor is therefore no biggie.

> andyp was looking at an udoo, from messages back in 2014,
> so i suspect it was an arm system, tho it was referred to as 'the udoo' 
> ( life was simpler then ;-)
> the x86 part might allow a standard image to run on it ( i edited this 
> down from 'should' )

I've previously corresponded with them on that, and loaded an ubuntu
image onto a flash drive in readiness for arrival of the Udoo X86.
According to their videos, it should be plug & boot. (Though it tries SD
card first, IIRC what I've read/seen around 4 months ago.) Have look at
this:

https://www.youtube.com/watch?v=Ibj0xOj42VA

Erik
(Fingers crossed that there are no more gremlins in the Udoo pie.)

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Re: [Emc-users] [OT] Wife is good to go

[Peter Blodow]

Wow, good to hear of a guy who is not as conceitet as are all others... 
I think much the same about myself.
Principally, you are right, it's a question of specialisation. But 
modern civilisation lives from the fact that NOT everybody can do 
everything, so handicrafts and commerce came into being. Wealth does not 
come from DIY.
Peter


Am 20.02.2017 11:26, schrieb andy pugh:
> On 20 February 2017 at 03:37, Dave Cole  wrote:
>> They aren't that hard to service.
>> However the Iphones are known to be difficult.   Still, the Iphone
>> repair guys are human as well.
> I work on the principle that anything that can be made by humans can
> be made by me, given enough time and money.
> Then I decide on whether I want to invest the time and money into the problem.
>
> iPhone battery replacement is not especially difficult, I have done it
> a couple of times.
>
> I have been hacking Apple kit for years. Back in 1995 I re-clocked my
> Mac LC475 by swapping some tiny SMT resistors on the motherboard, and
> I upgraded the graphics card on my G4 Cube. That involved moving some
> of the taller components on the PSU board to the opposite side of the
> board.
> You just have to be brave enough to try, much of the time.
>


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Re: [Emc-users] [OT] Wife is good to go

[andy pugh]

On 20 February 2017 at 03:37, Dave Cole  wrote:
> They aren't that hard to service.
> However the Iphones are known to be difficult.   Still, the Iphone
> repair guys are human as well.

I work on the principle that anything that can be made by humans can
be made by me, given enough time and money.
Then I decide on whether I want to invest the time and money into the problem.

iPhone battery replacement is not especially difficult, I have done it
a couple of times.

I have been hacking Apple kit for years. Back in 1995 I re-clocked my
Mac LC475 by swapping some tiny SMT resistors on the motherboard, and
I upgraded the graphics card on my G4 Cube. That involved moving some
of the taller components on the PSU board to the opposite side of the
board.
You just have to be brave enough to try, much of the time.

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1916

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Re: [Emc-users] [OT] Wife is good to go

[Marshland Engineering]

Bought a Samsung Smart TV and really regretted it. Keeps updating itself and
changes the icons etc etc. 'Support' from India and almost all requests end in
a "do a system reset" Oh yeah.   No keyboard works properly and you have to
fart around with the arrows on the remote to type things in. Bought a new low
end Computer and a Hauppauge TV tuner card. What a difference. I actually
enjoy watching TV now. All my Internet stuff and Live TV without any hiccups.
Scheduler and TV guide all works fine. PS get a dual tuber card so it doesn't
flick you off once a recorded program boots in (which the Samsung does). 

Cheers Wallace


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Re: [Emc-users] Koerner retrofit

[Florian Rist]

Hi Peter

> Windows 95 / 98 is MS-DOS with a graphic user interface on top.

Yes, I remember.

The Körner controller ran as a Windows GUI program, AFAIR.

> There was a boot option to start with DOS and then start Windows
> manually afterwards from the command line, calling c:\windows\win.exe.
> It was possible to stop Windows, too, get out and return to the normal
> DOS surface.

That's exactly what a hot wire cutter from Stepfour that we have here is 
doing. It start windows 95, than quits Windows, returns to DOS and 
starts the CNC controller. I should change this and prevent win.exe from 
starting in the first place... Well actually I wanted to retrofit the 
hot wire cutter and use LinuxCNC for a long time but I still didn't find 
the time. Unlike the Körner controller software the one from Stepfour 
running the hot wire cutter really lacks some important features and I 
can't read G-Code.

See you
Flo

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Re: [Emc-users] Koerner retrofit

[Peter Blodow]

Florian, Windows 95 / 98 is MS-DOS with a graphic user interface on top. 
There was a boot option to start with DOS and then start Windows 
manually afterwards from the command line, calling c:\windows\win.exe. 
It was possible to stop Windows, too, get out and return to the normal 
DOS surface. Very much like GEM on Commodore computers. When you asked 
for the system ID under Windows 95 it answered "DOS 7".

So, it should be possible to run a DOS program under Windows 95, maybe 
using some ingenuity.

Peter


Am 20.02.2017 10:11, schrieb Florian Rist:
> Hi Sven
>
>> That's a feature I really want in LCNC!
> / snip

And now that I think about it some more, I think 'my' Körner's
controller ran MS Windows 95, not MS DOS, so maybe you should check if
your controller software relay offers the nice feature before spending
time on MS DOS.

See you
Flo




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Re: [Emc-users] Koerner retrofit

[Florian Rist]

Hi Sven

> That's a feature I really want in LCNC!

Me too.

> Problem is it's outdated. I can only feed it with a floppy disc.

Hmm, even if it's running DOS you could at least update to USB. There is 
a USB driver that makes USB flash drives available as a CD drive to USB. 
It works quite well, I use it on an other CND mill running a proprietary 
controller software on MS DOS. The only problem you need old small USB 
flash drives (around 512 MB).

Ethernet and SMB should be possible somehow as well, but I think I never 
tried this.

And now that I think about it some more, I think 'my' Körner's 
controller ran MS Windows 95, not MS DOS, so maybe you should check if 
your controller software relay offers the nice feature before spending 
time on MS DOS.

See you
Flo

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Re: [Emc-users] Koerner retrofit

[Sven Wesley]

Oooh... Didn't know that! That's a feature I really want in LCNC!
Problem is it's outdated. I can only feed it with a floppy disc.

@Peter Blodow, I will try to get in touch with them. The hardware is well
designed and tidy so it's worth keeping for sure.

/S

2017-02-18 21:42 GMT+01:00 Florian Rist :

> Hi Sven
>
> > The computer is still working so I will see if I can dig out
> > any config from it.
>
> If the PC is still working, why not use the original controller
> software. It's actually not bad and it has a nice feature that LinuxCNC
> does not have: You can jog using the job wheel along the path of a
> g-code program, forward and even backwards.
>
> See you
> Flo
>
>
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