Re: [Emc-users] center finder camera / camview-emc

[Gene Heskett]

On Saturday 10 May 2014 01:35:41 Jon Elson did opine
And Gene did reply:
> OK, got camview-emc loaded, as described in the Wiki page
> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Adding_Digital_Zoom_To_Camview
> -Emc
> 
> But, not all of it is working.  If I just have the line like
> this:
> 
> EMBED_TAB_COMMAND = ./camview-emc-f1oat.py -w {XID}
> 
> I get a video in the Camera tab, but if I
> put either :
> -C camview.cfg
> or
> -g cam.ui
> 
> in the line, then I just get a blank gray window for the Camera
> tab.  Are there other files I need to bring in?
> 
> Also, the camview video is really dark and blue, is there an
> adjustment for the color?
> 
> Thanks,
> 
> Jon

This is what I have in my .ini file Jon: (word wrap off so it doesn't muck this 
up)

EMBED_TAB_NAME = CAM_View
EMBED_TAB_COMMAND = camview-emc -c mycamviewcfg -g togle-caa.ui -H campins.hal 
-w {XID}

Then mycamviewcfg (name is arbitrary as long as it has your setup) is:



0
0
0
32
64
0
100
2
32
1


1
0




1
0.980285
0.0358434
0.0358434
0
100
18.1
1

   
3
0
video.circle
sum2.%d.out
XYZABCDEFGH
20
0.980285
0.0358434
0.0358434
0






Then togle-caa.ui:



  
  
  
  
True
0
0

  
True
2
3

  
G43H99
True
True
False
True
  
  
1
2
GTK_SHRINK
GTK_SHRINK
  


  
Save XYZ
True
True
True
  
  
1
2
1
2
GTK_SHRINK
GTK_SHRINK
  


  
True
True
adjustment_circle

False
0
right
  


  
True
True  
adjustment_angle
  

False
right
  
  
1
2
  


  
Center3
True
True
True
  
  
2
3
GTK_SHRINK
GTK_SHRINK
  


  
Center4
True
True
True
  
  
2
3
1
2
GTK_SHRINK
GTK_SHRINK
  

  

  
  
100
0.10001
10
  
  
100
0.10001
10
  


And campins.hal:

#CamView pins
loadrt oneshot names=forOn,forOff
addf forOn servo-thread
addf forOff servo-thread
setp forOn.width .1
setp forOff.width .1
setp forOff.falling 1
setp forOff.rising 0
net forOnNet genescamviewcfg.hal_checkbutton1 => forOn.in forOff.in
net cam1 forOn.out => halui.mdi-command-06
net cam2 forOff.out => halui.mdi-command-07
net cam3 camview.hal_button1 => halui.mdi-command-08
net cam4 camview.hal_button2 => halui.mdi-command-09
net cam5 camview.hal_button3 => halui.mdi-command-10

If its dark & blue, check whats associated with the V4L2 video format spec,
it might not be correct for that camera.  Thats in the camviewcfg file.

My camera would be happier on a USB2.0 port, atom boards claim to have
only one USB2.0, but I've not found which one it is yet.  Currently
plugged into a USB1.1 port on the front panel & obviously suffering,
but it does work.  Just painfully slow.  My Shoe box is high on a shelf
and the control box sits beside it, so I need a ladder to get up to
it and play with ports vs camera cable.  I should look at the board
drawing that came with it perhaps?  :)

I now have 3 tabs in the backplot window, backplot, bare dro, and camview now.
The dro also shows in the camview tab, but needs a background text color set,
hard to read when its mixed into the camera video.

I hope this helps more than it confuses.

Cheers, Gene
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 
US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS

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[Emc-users] 0.8 kw vfd settings

[Erik Friesen]

Any thoughts on setting up a vfd for one of these spindles?

http://www.automationdirect.com/adc/Shopping/Catalog/Drives/GS2_(115_-z-_230_-z-_460_-z-_575_VAC_V-z-Hz_Control)/GS2_Drive_Units_(115_-z-_230_-z-_460_-z-_575_VAC)/GS2-22P0

http://ugracnc.com/WATER-COOLED-SPINDLES/GMT-Water-Cooled-CNC-Spindle-0.75-kW-220V-R.html

Not realizing the implications, I tried to run this out of the box...
 Maybe ok, but...

Anyway, there isn't much info about the best voltage/hz ratio, other than
some chinese datasheet that comes with the spindle.  There is some
reference to a 5Hz/10V, which doesn't make sense to me.

It's really a stab at guessing what this motor wants, thought I'd try the
list.
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Re: [Emc-users] center finder camera / camview-emc

[Jon Elson]

On 05/10/2014 04:36 AM, Gene Heskett wrote:
> This is what I have in my .ini file Jon:
Thanks much, Gene!  OK, so apparently you also need to
activate the campins.hal file in the ini file, and also 
start up halui.

Then, campins.hal has this line :

net forOnNet genescamviewcfg.hal_checkbutton1 => forOn.in forOff.in

I changed genescamviewcfg.hal_checkbutton1
to mycamviewcfg.hal_checkbutton1

which matches the description in togle-caa.ui, but it still
doesn't find it.  I commented this line out, and then
it barfs on the halui.mdi-command-06 etc. lines.
So, halui is not exporting these pins.  What does all this
hal stuff do, anyway?  Is this for automatically setting
offsets, like a touchoff does?  Right now, I'd just be glad to
have a picture on the screen!  (Which I do not get if I
comment all this stuff out and make LinuxCNC able
to start up.)

Most notably, though, there is NO SIGN of camview anywhere!
I assume from campins.hal, that camview is supposed to
export some pins, and I don't see it anywhere.  That is
probably where things are going wrong.  Is there another
line I need somewhere to make it start camview?


What version of LinuxCNC are you running?  I just did the
default update, and have 2.4.6 on it.

Thanks,

Jon

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[Emc-users] 7i76 help

[Erik Friesen]

Where and how do I select Mode 1 for analog inputs?
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Re: [Emc-users] center finder camera / camview-emc

[Jon Elson]

OK, found out at least part of the problem.  When it
tries to start camview-emc, it tried to use
liblinuxcnchal.so.0, which does not exist.  Anybody
know where it comes from?

I'm going to load all the dependencies for building
the software, that probably will fix it.

Thanks,

Jon

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Re: [Emc-users] center finder camera / camview-emc

[Jon Elson]

On 05/10/2014 01:08 PM, Jon Elson wrote:
> OK, found out at least part of the problem.  When it
> tries to start camview-emc, it tried to use
> liblinuxcnchal.so.0, which does not exist.  Anybody
> know where it comes from?
>
> I'm going to load all the dependencies for building
> the software, that probably will fix it.
>
>
Nope, that doesn't help, either.  Still no

liblinuxcnchal.so.0


Do I have to build camview-emc from source?

Thanks,

Jon

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Re: [Emc-users] 7i76 help

[Peter C. Wallace]

On Sat, 10 May 2014, Erik Friesen wrote:

> Date: Sat, 10 May 2014 14:05:11 -0400
> From: Erik Friesen 
> Reply-To: "Enhanced Machine Controller (EMC)"
> 
> To: "Enhanced Machine Controller (EMC)" 
> Subject: [Emc-users] 7i76 help
> 
> Where and how do I select Mode 1 for analog inputs?


sserial_port_0=1xxx in the hm2_pci config string

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Peter Wallace
Mesa Electronics

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Re: [Emc-users] center finder camera / camview-emc

[Michael Haberler]

Am 10.05.2014 um 20:08 schrieb Jon Elson :

> OK, found out at least part of the problem.  When it
> tries to start camview-emc, it tried to use
> liblinuxcnchal.so.0, which does not exist.  Anybody
> know where it comes from?

that is the userland hal library and produced during a normal build, nothing 
HAL-related runs without it

in RIP builds it should live in $EMC2_HOME/lib
in non-RIP builds it's either /usr/lib/ or maybe /usr/lib/linuxcnc these days

meaning - you need a working install of linuxCNC on that host to run camview-emc

- Michael
> 
> I'm going to load all the dependencies for building
> the software, that probably will fix it.
> 
> Thanks,
> 
> Jon
> 
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Re: [Emc-users] 7i76 help

[Erik Friesen]

Corection?  Wouldn't work until 1xxx


On Sat, May 10, 2014 at 2:55 PM, Peter C. Wallace  wrote:

> On Sat, 10 May 2014, Erik Friesen wrote:
>
> > Date: Sat, 10 May 2014 14:05:11 -0400
> > From: Erik Friesen 
> > Reply-To: "Enhanced Machine Controller (EMC)"
> > 
> > To: "Enhanced Machine Controller (EMC)"  >
> > Subject: [Emc-users] 7i76 help
> >
> > Where and how do I select Mode 1 for analog inputs?
>
>
> sserial_port_0=1xxx in the hm2_pci config string
>
> >
> --
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> out:
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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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[Emc-users] Estop isactived

[Erik Friesen]

Currently banging my head here.  What keeps emc in estop, seemingly
regardless of hal file?  I have nothing connected to the estop pins, yet
estop.is-actived is always true regardless of what I try.
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Re: [Emc-users] Estop isactived

[Erik Friesen]

Never mind, uncommenting this did it.

net estop-loop iocontrol.0.user-enable-out => iocontrol.0.emc-enable-in


On Sat, May 10, 2014 at 4:28 PM, Erik Friesen  wrote:

> Currently banging my head here.  What keeps emc in estop, seemingly
> regardless of hal file?  I have nothing connected to the estop pins, yet
> estop.is-actived is always true regardless of what I try.
>
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Re: [Emc-users] center finder camera / camview-emc

[Jon Elson]

On 05/10/2014 02:53 PM, Michael Haberler wrote:
> that is the userland hal library and produced during a normal build, nothing 
> HAL-related runs without it
>
>
Apparently, this is a new file with 2.5, I had a 2.4 
install. Updating
to 2.5 added this file.  Now, on to the next error message.

Thanks,

Jon

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Re: [Emc-users] center finder camera / camview-emc

[Gene Heskett]

On Saturday 10 May 2014 13:16:48 Jon Elson did opine
And Gene did reply:
> On 05/10/2014 04:36 AM, Gene Heskett wrote:
> > This is what I have in my .ini file Jon:
> Thanks much, Gene!  OK, so apparently you also need to
> activate the campins.hal file in the ini file, and also
> start up halui.
> 
> Then, campins.hal has this line :
> 
> net forOnNet genescamviewcfg.hal_checkbutton1 => forOn.in forOff.in
> 
> I changed genescamviewcfg.hal_checkbutton1
> to mycamviewcfg.hal_checkbutton1
> 
> which matches the description in togle-caa.ui, but it still
> doesn't find it.  I commented this line out, and then
> it barfs on the halui.mdi-command-06 etc. lines.
> So, halui is not exporting these pins.  What does all this
> hal stuff do, anyway?  Is this for automatically setting
> offsets, like a touchoff does?  Right now, I'd just be glad to
> have a picture on the screen!  (Which I do not get if I
> comment all this stuff out and make LinuxCNC able
> to start up.)
Yeah, something like touch offs.

I am thinking your halio.c is duff, how long is it?

-rw-r--r-- 1 gene gene 12969 2013-08-21 02:49 halio.c
-rw-r--r-- 1 gene gene 13550 2013-11-21 18:12 halio.c-patched

And I am reasonably sure that I am using the patched version here.  In 
case you haven't found it, I'll attach it to a PM that just left.
 
> Most notably, though, there is NO SIGN of camview anywhere!
> I assume from campins.hal, that camview is supposed to
> export some pins, and I don't see it anywhere.  That is
> probably where things are going wrong.  Is there another
> line I need somewhere to make it start camview?

I think camview should have been started by that 2nd ini file line.  Have 
you started it from a console to see if it complains?
 
> 
> What version of LinuxCNC are you running?  I just did the
> default update, and have 2.4.6 on it.

2.5.4, updated just today Jon.

I'm back in the house, its set in for a rest of the night drizzle too, 
having hit a good quitting point of the Y screw for the mill, and am now 
awaiting the arrival of the ball thrust bearings from the far side of the 
big pond.

> Thanks,
> 
> Jon
> 
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Cheers, Gene
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 soap, ballot, jury, and ammo. Please use in that order."
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[Emc-users] Viewing spindle speed

[Erik Friesen]

Is there something simple I am missing to view and test the spindle speed
in Axis?  I have a + and - , but no place to manually enter a speed to test
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Re: [Emc-users] center finder camera / camview-emc

[Gene Heskett]

On Saturday 10 May 2014 14:08:00 Jon Elson did opine
And Gene did reply:
> liblinuxcnchal.so.0

I have that, in /usr/lib.  Why don't you?

Cheers, Gene
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Re: [Emc-users] center finder camera / camview-emc

[Gene Heskett]

On Saturday 10 May 2014 14:45:32 Jon Elson did opine
And Gene did reply:
> On 05/10/2014 01:08 PM, Jon Elson wrote:
> > OK, found out at least part of the problem.  When it
> > tries to start camview-emc, it tried to use
> > liblinuxcnchal.so.0, which does not exist.  Anybody
> > know where it comes from?
> > 
> > I'm going to load all the dependencies for building
> > the software, that probably will fix it.
> 
> Nope, that doesn't help, either.  Still no
> 
> liblinuxcnchal.so.0
> 
> 
> Do I have to build camview-emc from source?
> 
> Thanks,
> 
> Jon

I do not recall, but from the file dates, I suspect I did.  I've checked 
both trees here without noting a src for that lib, so I have no clue what 
.deb supplied it.

I need to go get us a nose bag, back in a long hour.

> 
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Re: [Emc-users] PLASCUTTER 6x12

[Gary Corlew]

On 5/10/2014 12:23 AM, MC Cason wrote:
> Does anybody have any experience with the machine listed below? These
> are all of the specs that I have so far:
>
> Manufacturer:  CNC Cutting Solutions (Canada)
> Make:  PLASCUTTER 6x12
> Model:  PLZ6X12
> Serial:  0519
> Drives:  Stepper (Unknown types)
> Controllers:  Gecko (Unknown types)
> Software:  Mach2 on WinXP
> CAD/CAM:  BobCAD
>
> A company south of me has a plasma cutter that is currently not
> working.  The machine itself is still in good working order, and the
> drives can be moved manually, but the original computer died, and all of
> the settings for the machine went with it.  I was told that the
> manufacturer of the machine is out of business, so there is no easy way
> to get them back again.
>
> The company is interested in converting it to LinuxCNC, if they can
> find a working solution.  It looks like is should be a fairly
> straightforward conversion, and mostly they are seeking somebody that
> has a similar setup, with a set of working config files.  Any additional
> information about running it on LinuxCNC would also be appreciated.
>
>
Google found this Cnczone 

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[Emc-users] Missing documentation

[Erik Friesen]

Where is one supposed to find information about how to use hal components?

The hal manual has nothing more than a teaser.  I am looking for info on
comp, one of the arithmetic "functions"
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Re: [Emc-users] Missing documentation

[Philipp Burch]

Hi Erik!

On 10.05.2014 23:30, Erik Friesen wrote:
> Where is one supposed to find information about how to use hal components?
> 
> The hal manual has nothing more than a teaser.  I am looking for info on
> comp, one of the arithmetic "functions"

Most HAL components have associated manpages, so you can usually just type

man 

in a terminal. Maybe you need to specify the manual section, if there is
a command with the same name (such as for 'comp'):

man 9 comp

(It is section 9 if I recall correctly, otherwise there is a hint if you
just type man comp.)

Regards,
Philipp



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Re: [Emc-users] PLASCUTTER 6x12

[MC Cason]

Thank you Gary,

   They have already been in contact with CandCNC, and they are still 
having troubles with getting everything to work in MACH3.  I am trying 
to do a postmortem on what they have already tried, but with very little 
luck.

   I am building up a old computer that I can load LinuxCNC on, so that 
I won't disturb their current setup.  Hopefully, I will know something 
more the next time I head south.


On 05/10/2014 04:05 PM, Gary Corlew wrote:
> On 5/10/2014 12:23 AM, MC Cason wrote:
>>  Does anybody have any experience with the machine listed below? These
>> are all of the specs that I have so far:
>>
>>  Manufacturer:  CNC Cutting Solutions (Canada)
>>  Make:  PLASCUTTER 6x12
>>  Model:  PLZ6X12
>>  Serial:  0519
>>  Drives:  Stepper (Unknown types)
>>  Controllers:  Gecko (Unknown types)
>>  Software:  Mach2 on WinXP
>>  CAD/CAM:  BobCAD
>>
>>  A company south of me has a plasma cutter that is currently not
>> working.  The machine itself is still in good working order, and the
>> drives can be moved manually, but the original computer died, and all of
>> the settings for the machine went with it.  I was told that the
>> manufacturer of the machine is out of business, so there is no easy way
>> to get them back again.
>>
>>  The company is interested in converting it to LinuxCNC, if they can
>> find a working solution.  It looks like is should be a fairly
>> straightforward conversion, and mostly they are seeking somebody that
>> has a similar setup, with a set of working config files.  Any additional
>> information about running it on LinuxCNC would also be appreciated.
>>
>>
> Google found this Cnczone
> 
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Re: [Emc-users] Missing documentation

[Erik Friesen]

Thanks, I did find it here.  http://linuxcnc.org/docs/html/man/man9/

I find it frustrating though, I still haven't figure out how to compare a
float value and make a signal.

This would have taken about a minute in C.  Something like

if(Value>25.0) return 1;



On Sat, May 10, 2014 at 5:49 PM, Philipp Burch  wrote:

> Hi Erik!
>
> On 10.05.2014 23:30, Erik Friesen wrote:
> > Where is one supposed to find information about how to use hal
> components?
> >
> > The hal manual has nothing more than a teaser.  I am looking for info on
> > comp, one of the arithmetic "functions"
>
> Most HAL components have associated manpages, so you can usually just type
>
> man 
>
> in a terminal. Maybe you need to specify the manual section, if there is
> a command with the same name (such as for 'comp'):
>
> man 9 comp
>
> (It is section 9 if I recall correctly, otherwise there is a hint if you
> just type man comp.)
>
> Regards,
> Philipp
>
>
>
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Re: [Emc-users] Missing documentation

[Erik Friesen]

Here is what I have so far

loadrt comp count=1
loadrt constant count=1
addf comp.0 servo-thread
setp comp.0.in0 25

#setp comp.0.hyst
net comp.0.in1 <= hm2_5i25.0.7i76.0.0.analogin0
net MySignal <= comp.0.out

Here is the error
Signal name 'comp.0.in1' must not be the same as a pin.  Did you omit the
signal name?

Why?  I obviously have some complete lack of understanding this hal scheme.


On Sat, May 10, 2014 at 6:02 PM, Erik Friesen  wrote:

> Thanks, I did find it here.  http://linuxcnc.org/docs/html/man/man9/
>
> I find it frustrating though, I still haven't figure out how to compare a
> float value and make a signal.
>
> This would have taken about a minute in C.  Something like
>
> if(Value>25.0) return 1;
>
>
>
> On Sat, May 10, 2014 at 5:49 PM, Philipp Burch  wrote:
>
>> Hi Erik!
>>
>> On 10.05.2014 23:30, Erik Friesen wrote:
>> > Where is one supposed to find information about how to use hal
>> components?
>> >
>> > The hal manual has nothing more than a teaser.  I am looking for info on
>> > comp, one of the arithmetic "functions"
>>
>> Most HAL components have associated manpages, so you can usually just type
>>
>> man 
>>
>> in a terminal. Maybe you need to specify the manual section, if there is
>> a command with the same name (such as for 'comp'):
>>
>> man 9 comp
>>
>> (It is section 9 if I recall correctly, otherwise there is a hint if you
>> just type man comp.)
>>
>> Regards,
>> Philipp
>>
>>
>>
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Re: [Emc-users] Missing documentation

[Erik Friesen]

Ok, so I prepended it with a name to make it happy.  So, why?  Why is it a
requirement to create "floating names" to link items?


On Sat, May 10, 2014 at 6:09 PM, Erik Friesen  wrote:

> Here is what I have so far
>
> loadrt comp count=1
> loadrt constant count=1
> addf comp.0 servo-thread
> setp comp.0.in0 25
>
> #setp comp.0.hyst
> net comp.0.in1 <= hm2_5i25.0.7i76.0.0.analogin0
> net MySignal <= comp.0.out
>
> Here is the error
> Signal name 'comp.0.in1' must not be the same as a pin.  Did you omit the
> signal name?
>
> Why?  I obviously have some complete lack of understanding this hal scheme.
>
>
> On Sat, May 10, 2014 at 6:02 PM, Erik Friesen  wrote:
>
>> Thanks, I did find it here.  http://linuxcnc.org/docs/html/man/man9/
>>
>> I find it frustrating though, I still haven't figure out how to compare a
>> float value and make a signal.
>>
>> This would have taken about a minute in C.  Something like
>>
>> if(Value>25.0) return 1;
>>
>>
>>
>> On Sat, May 10, 2014 at 5:49 PM, Philipp Burch  wrote:
>>
>>> Hi Erik!
>>>
>>> On 10.05.2014 23:30, Erik Friesen wrote:
>>> > Where is one supposed to find information about how to use hal
>>> components?
>>> >
>>> > The hal manual has nothing more than a teaser.  I am looking for info
>>> on
>>> > comp, one of the arithmetic "functions"
>>>
>>> Most HAL components have associated manpages, so you can usually just
>>> type
>>>
>>> man 
>>>
>>> in a terminal. Maybe you need to specify the manual section, if there is
>>> a command with the same name (such as for 'comp'):
>>>
>>> man 9 comp
>>>
>>> (It is section 9 if I recall correctly, otherwise there is a hint if you
>>> just type man comp.)
>>>
>>> Regards,
>>> Philipp
>>>
>>>
>>>
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>>>
>>
>
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Re: [Emc-users] center finder camera / camview-emc

[Michael Haberler]

Am 10.05.2014 um 23:05 schrieb Gene Heskett :

> On Saturday 10 May 2014 14:08:00 Jon Elson did opine
> And Gene did reply:
>> liblinuxcnchal.so.0
> 
> I have that, in /usr/lib.  Why don't you?

last update before the emc->linuxcnc rename stampede broke loose?

> 
> 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)
> Genes Web page 
> US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS
> 
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Re: [Emc-users] Viewing spindle speed

[Gene Heskett]

On Saturday 10 May 2014 17:07:42 Erik Friesen did opine
And Gene did reply:
> Is there something simple I am missing to view and test the spindle
> speed in Axis?  I have a + and - , but no place to manually enter a
> speed to test

That would be by way of the MDI facility.  Hit F5 on the keyboard to 
switch, F3 to switch back.  Machine MUST be previously homed.

Speed is set by the S number, M starts/stops/reverses

Something like
S500 M3
will start it forward, M5 will stop it, and M4 will turn it in reverse if 
your hal is setup to do that.

Cheers, Gene
-- 
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Re: [Emc-users] Missing documentation

[Gene Heskett]

On Saturday 10 May 2014 17:30:54 Erik Friesen did opine
And Gene did reply:
> Where is one supposed to find information about how to use hal
> components?
> 
> The hal manual has nothing more than a teaser.  I am looking for info
> on comp, one of the arithmetic "functions"

The best resource for that is the Integrators Manual.  Its a several 
hundred page .PDF, and is quite complete. My printer can do duplex, so I 
print it & punch it for a 3 ring binder.  Highly recommended by Grandpa 
Gene.

It is also in the wiki, but hard to find.  I like the dead tree format 
better anyway.

Cheers, Gene
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 
US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS

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Re: [Emc-users] Missing documentation

[Gene Heskett]

On Saturday 10 May 2014 18:09:22 Erik Friesen did opine
And Gene did reply:
> Here is what I have so far
> 
> loadrt comp count=1
> loadrt constant count=1
> addf comp.0 servo-thread
> setp comp.0.in0 25
> 
> #setp comp.0.hyst
> net comp.0.in1 <= hm2_5i25.0.7i76.0.0.analogin0
> net MySignal <= comp.0.out

Put yourself a commented line above where you are constructing a "net" 
statement to help you remember the syntax.

#netnetname signal_src  target  target  target yadda

And FWIW, "netname" can be reused later in the file to assign more 
targets. 

> Here is the error
> Signal name 'comp.0.in1' must not be the same as a pin.  Did you omit
> the signal name?
> 
> Why?  I obviously have some complete lack of understanding this hal
> scheme.
> 
> On Sat, May 10, 2014 at 6:02 PM, Erik Friesen  wrote:
> > Thanks, I did find it here.  http://linuxcnc.org/docs/html/man/man9/
> > 
> > I find it frustrating though, I still haven't figure out how to
> > compare a float value and make a signal.
> > 
> > This would have taken about a minute in C.  Something like
> > 
> > if(Value>25.0) return 1;
> > 
> > On Sat, May 10, 2014 at 5:49 PM, Philipp Burch  wrote:
> >> Hi Erik!
> >> 
> >> On 10.05.2014 23:30, Erik Friesen wrote:
> >> > Where is one supposed to find information about how to use hal
> >> 
> >> components?
> >> 
> >> > The hal manual has nothing more than a teaser.  I am looking for
> >> > info on comp, one of the arithmetic "functions"
> >> 
> >> Most HAL components have associated manpages, so you can usually
> >> just type
> >> 
> >> man 
> >> 
> >> in a terminal. Maybe you need to specify the manual section, if
> >> there is a command with the same name (such as for 'comp'):
> >> 
> >> man 9 comp
> >> 
> >> (It is section 9 if I recall correctly, otherwise there is a hint if
> >> you just type man comp.)
> >> 
> >> Regards,
> >> Philipp


Cheers, Gene
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 
US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS

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Re: [Emc-users] Viewing spindle speed

[Erik Friesen]

Ok, that is what I did.  Perhaps I will add something to the pyvcp panel.


On Sat, May 10, 2014 at 7:18 PM, Gene Heskett  wrote:

> On Saturday 10 May 2014 17:07:42 Erik Friesen did opine
> And Gene did reply:
> > Is there something simple I am missing to view and test the spindle
> > speed in Axis?  I have a + and - , but no place to manually enter a
> > speed to test
>
> That would be by way of the MDI facility.  Hit F5 on the keyboard to
> switch, F3 to switch back.  Machine MUST be previously homed.
>
> Speed is set by the S number, M starts/stops/reverses
>
> Something like
> S500 M3
> will start it forward, M5 will stop it, and M4 will turn it in reverse if
> your hal is setup to do that.
>
> 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)
> Genes Web page 
> US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS
>
>
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[Emc-users] Spindle-at-speed, etc

[Erik Friesen]

I would like my machine to not only wait for the spindle to come up to
speed, but have it stop if the vfd has an error.  I am reading the analog
output from the vfd.  I have looked at using Spindle-at-speed, but it only
appears to check at the start of the program.  Is there a better way to do
this?
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Re: [Emc-users] Missing documentation

[Jon Elson]

On 05/10/2014 05:14 PM, Erik Friesen wrote:
> Ok, so I prepended it with a name to make it happy.  So, why?  Why is it a
> requirement to create "floating names" to link items?
>
>
>
Every "net" needs a unique name.  Hal could assign random names,
but then you'd have them show up in a HAL listing as net_001
or something.  You can see the net names listed as "signals"
in the show hal config menu when LinuxCNC is running.
So, the names are not "floating", they are assigned to carry
the value of some specific output pin to one or more input
pins.

Jon

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Re: [Emc-users] Missing documentation

[Jon Elson]

On 05/10/2014 05:09 PM, Erik Friesen wrote:
>
> Why?  I obviously have some complete lack of understanding this hal scheme.
>
Oh, the same signal name can be used later to link 
ADDITIONAL pins
to the same signal.

Jon

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Re: [Emc-users] Missing documentation

[Gene Heskett]

On Saturday 10 May 2014 20:04:55 Jon Elson did opine
And Gene did reply:
> On 05/10/2014 05:09 PM, Erik Friesen wrote:
> > Why?  I obviously have some complete lack of understanding this hal
> > scheme.
> 
> Oh, the same signal name can be used later to link
> ADDITIONAL pins
> to the same signal.
> 
> Jon

Let me correct that just a tad Jon.  Those ADDITIONAL pins must be other 
module input pins.  You can not wire two outputs together here, any more 
than you can in normal logic.  IIRC hal will fuss about it and bail out.

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Cheers, Gene
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Re: [Emc-users] Missing documentation

[Jon Elson]

On 05/10/2014 07:18 PM, Gene Heskett wrote:
>
> Let me correct that just a tad Jon.  Those ADDITIONAL pins must be other
> module input pins.  You can not wire two outputs together here, any more
> than you can in normal logic.  IIRC hal will fuss about it and bail out.
>
Right.  As I understand it, the first net line that creates 
a signal
needs to have an output pin in the list.  Then, later, even 
in other
HAL files, additional INPUT pins can be added to the signal, 
just
by giving the signal name in a net command, with the pin name(s)
following.

Jon

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