Re: [Emc-users] printing from the pi

[Gene Heskett]

On Wednesday 02 November 2016 21:45:20 W. Martinjak wrote:

> On 2016-11-03 02:28, Gene Heskett wrote:
> > It could be, but that would take another week to round up the
> > connectors to make it plug & play.
> >
> > And whats this stuff about resistors? Sounds like I'd need to cut
> > into the jumpers and put them in series? And 88's are not a std
> > value, so how critical are they?  I've 50+ 100 ohmers. 1/10th watt. 
> > 82's in similar wattage & quantity.  More details plz.
>
> Gene, please don't panic.
> Generally it should work without the resistors.
> I have no resistors in.
>
> But for the future and a stable setup it would be a good idea.
> And if you absolute need some, take the 100 ohm.

My jumpers won't be any longer that yours, at 8".  If I can find a decent 
ground, I'll let the ringing I see on both ends of the wire tell me if 
it needs damping. I have a gighertz sampling scope, and know what 
substrait diode conduction looks like, and that it is not a desirable 
thing.  I also have some braid to tie board grounds together.  That can 
clean up really big ringing messes quite well.
 
WTH? I just picked it up to check the bolt holes & they are all etched 
clear, so I'll have to paste it on the usb socket frames.  I wonder what 
genius thought that was a good idea?  Sigh...

Thanks Matsche.

Cheers, Gene Heskett
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Re: [Emc-users] printing from the pi

[Gene Heskett]

On Wednesday 02 November 2016 20:29:45 W. Martinjak wrote:

> On 2016-11-03 00:52, Gene Heskett wrote:
> > Printed FFR once I get the 7i90HD programmed. I MIGHT have those 26
> > pin female idc's tomorrow afternoon.
> >
> > I have this mental image of me hunched over those pix, counting pins
> > from one or the other end with a toothpick... :)
>
> I think, this is a alternative:
>
> https://oshpark.com/shared_projects/bZNakuZs

It could be, but that would take another week to round up the connectors 
to make it plug & play.

And whats this stuff about resistors? Sounds like I'd need to cut into 
the jumpers and put them in series? And 88's are not a std value, so how 
critical are they?  I've 50+ 100 ohmers. 1/10th watt.  82's in similar 
wattage & quantity.  More details plz.

>
> Jeff Epler made it.

Looks good.

Thanks Matsche. 

Cheers, Gene Heskett
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Re: [Emc-users] printing from the pi

[W. Martinjak]

On 2016-11-03 00:52, Gene Heskett wrote:
> Printed FFR once I get the 7i90HD programmed. I MIGHT have those 26 pin 
> female idc's tomorrow afternoon. 
>
> I have this mental image of me hunched over those pix, counting pins from 
> one or the other end with a toothpick... :)

I think, this is a alternative:

https://oshpark.com/shared_projects/bZNakuZs

Jeff Epler made it.

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Re: [Emc-users] printing from the pi

[W. Martinjak]

On 2016-11-03 00:52, Gene Heskett wrote:
> You keep saying that, and I keep reminding you that that fellow Murphy, 
> the one that wrote all those laws, is lurking around here someplace. :)
fool him with your silver marker :)


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Re: [Emc-users] printing from the pi

[Gene Heskett]

On Wednesday 02 November 2016 18:57:10 W. Martinjak wrote:

> On 2016-11-02 23:45, Gene Heskett wrote:
> > The mailman handed me a box from mpja.com. Jumper kits fine but no
> > clue where to hook them up yet
>
> https://forum.linuxcnc.org/27-driver-boards/31753-raspberry-pi-and-mes
>a-7i90-spi-works-well#82070
> https://forum.linuxcnc.org/media/kunena/attachments/18479/RP2_Pinout.p
>ng
> https://forum.linuxcnc.org/media/kunena/attachments/18479/Mesa-7i90hd-
>epp-spi-conn.png
>

Printed FFR once I get the 7i90HD programmed. I MIGHT have those 26 pin 
female idc's tomorrow afternoon. 

I have this mental image of me hunched over those pix, counting pins from 
one or the other end with a toothpick... :)

> Good luck! :)
>
You keep saying that, and I keep reminding you that that fellow Murphy, 
the one that wrote all those laws, is lurking around here someplace. :)

> Matsche


Cheers, Gene Heskett
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Re: [Emc-users] printing from the pi

[W. Martinjak]

On 2016-11-02 23:45, Gene Heskett wrote:
> The mailman handed me a box from mpja.com. Jumper kits fine but no clue 
> where to hook them up yet
https://forum.linuxcnc.org/27-driver-boards/31753-raspberry-pi-and-mesa-7i90-spi-works-well#82070
https://forum.linuxcnc.org/media/kunena/attachments/18479/RP2_Pinout.png
https://forum.linuxcnc.org/media/kunena/attachments/18479/Mesa-7i90hd-epp-spi-conn.png

Good luck! :)

Matsche

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[Emc-users] printing from the pi

[Gene Heskett]

Greetings;

One of the things I'll want to do is to be able to print from the r-pi as 
I find traceing stuff thru a .hal file a lot easier if I have a hard 
copy in front of me.

I have my printers all shared so it shouldn't be too hard, but firing up 
lynx localhost:631 disclosed that cups wasn't installed.  So I installed 
it with apt, and then lynx could function with localhost:631 but some 
printers were missing. On checking on this machine, I had somehow lost 
the shared attribute, fixed that and now lynx can see everything but 
cups.pdf. Just for fun I sent it to the scanners local ip, worked ok.

I'd never installed or used lynx before.  Neat tool!

-
nother 4 hours later, some conduit mounted and wires stuffed, and labeled 
on the Sheldon
--

The mailman handed me a box from mpja.com. Jumper kits fine but no clue 
where to hook them up yet, 12 foot hdmi cable was male on both ends, as 
was the hdmi-dvdi adaptor.  So I still can't look at a monitor connected 
to the pi. I've lost track of which excedrin headache this is.  Multiple 
digits for sure.  Found the correct adaptor at showmecables.com, bought 
2 for insurance.

And thats the news from Lake Woebegone, WV.
 
Cheers, Gene Heskett
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
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Genes Web page 

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Re: [Emc-users] 7i90HD programming

[W. Martinjak]

On 2016-11-02 19:49, Peter C. Wallace wrote:
> No, normally the as delivered 7I90HDs are EPP/EPP, but they can be 
> propgrammed 
> with any firmware on request

Yes, Ok!

> Note: I have not tried the RS-422 programming for a while, I will test when I 
> get a chance

OK, thanks!

Matsche

-- 
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Re: [Emc-users] 7i90HD programming

[Peter C. Wallace]

On Wed, 2 Nov 2016, W. Martinjak wrote:

> Date: Wed, 2 Nov 2016 18:23:54 +0100
> From: W. Martinjak 
> Reply-To: "Enhanced Machine Controller (EMC)"
> 
> To: emc-users@lists.sourceforge.net
> Subject: Re: [Emc-users] 7i90HD programming
> 
> On 2016-11-02 17:59, Peter C. Wallace wrote:
>> and RS-422
>> require special hardware)
>
> Hooking into this point.
> Do you have a good instruction for flashing with rs422?
> Is rs422 working at delivery state of the 7i90?
>
> Thanks
>
> Matsche

No, normally the as delivered 7I90HDs are EPP/EPP, but they can be propgrammed 
with any firmware on request

Note: I have not tried the RS-422 programming for a while, I will test when I 
get a chance

>
>
> -- 
> "In der Wissenschaft siegt nie eine neue Theorie,
> nur ihre Gegner sterben nach und nach"
>
> Max Planck
>
>
> --
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> Access to Intel Xeon Phi processor-based developer platforms.
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Peter Wallace
Mesa Electronics

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[Emc-users] LinuxCNC meetup 2016 Stuttgart, Germany

[Rene Hopf]

Es wird wieder ein LinuxCNC Treffen in Stuttgart geben.

Die termine gelten jeweils für das ganze Wochenende, Freitag-Sonntag.
Terminfindung/Anmeldung hier: http://doodle.com/poll/w52962an5pxgatsi

Looks like we're meeting again this year.

The Dates in the doodle are for the weekend, Friday-Sunday.
http://doodle.com/poll/w52962an5pxgatsi

Previous events:
2013: 
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?LinuxCNC_Integrator_Meeting_2013_Germany
2014: 
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?LinuxCNC_Integrator_Meeting_2014_Germany

We will bring a demo of STMBL: https://github.com/rene-dev/stmbl

Rene
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Re: [Emc-users] 7i90HD programming

[W. Martinjak]

On 2016-11-02 17:59, Peter C. Wallace wrote:
> and RS-422 
> require special hardware)

Hooking into this point.
Do you have a good instruction for flashing with rs422?
Is rs422 working at delivery state of the 7i90?

Thanks

Matsche
 

-- 
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nur ihre Gegner sterben nach und nach"

Max Planck


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Re: [Emc-users] 7i90HD programming

[Peter C. Wallace]

On Wed, 2 Nov 2016, Chris Albertson wrote:

> Date: Wed, 2 Nov 2016 09:12:46 -0700
> From: Chris Albertson 
> Reply-To: "Enhanced Machine Controller (EMC)"
> 
> To: "Enhanced Machine Controller (EMC)" 
> Subject: Re: [Emc-users] 7i90HD programming
> 
> OK so some new computers have obsolete ports that are not supported by the
> software that comes with them.
>
> Question, can the 7i90 be flashed using some other method like JTAG.   Of
> course it can,  but does Mesa make it reasonably easy?


Sure you can flash the card via JTAG with Xilinx tools, but is really doing
things the hard way (Xilinx tools for writing PROM files are quite terrible
especially if you want to support relocatable bifiles as mesaflash does)

Mesaflash is the preferred way,but this requires a working host interface. Of 
the avalable host interfaces in the 7I90 (EPP, RS-422 Serial, SPI), EPP is the 
one most likely to be available to a user (Currently most if not all OS level 
SPI drivers are so riddled with bugs as to be useless, while JTAG and RS-422 
require special hardware)

This is why default 7I90 programming is EPP



>
> On Wed, Nov 2, 2016 at 5:42 AM, Todd Zuercher 
> wrote:
>
>> Rumors of the parallel ports demise are greatly exaggerated.  People have
>> been saying it is dead for nearly 20 years, yet you can still buy new PCs
>> and equipment that have one without much difficulty.  The new Linovo PC on
>> my office desk that was bought for doing Windows/cad work (no consideration
>> for needing a pp when shopping for it) still has a parallel port header on
>> the motherboard, even though the 64-bit Windows OS that came on it doesn't
>> support it.
>>
>> - Original Message -
>> From: "Chris Albertson" 
>> To: "Enhanced Machine Controller (EMC)" 
>> Sent: Tuesday, November 1, 2016 9:01:40 PM
>> Subject: Re: [Emc-users] 7i90HD programming
>>
>> On Tue, Nov 1, 2016 at 4:36 AM, W. Martinjak  wrote:
>>
>>> As I have written:
>>>
>>>The bit files are in:
>>>
>>> 7i90/configs/hostmot2/
>>>
>>> You need one of the 7i90_spi*.bit  files.
>>> Then you have to flash the card on your printer port with
>>>
>>
>> I've been following this because I think I want to go this rout in a couple
>> months..
>>
>> So there is no why out of needed an old printer port interface?   That
>> means finding an old PC. It there no why to flash the card using (say)
>> JTAG?   The printer port is long obsolete.
>>
>> --
>>
>> Chris Albertson
>> Redondo Beach, California
>> 
>> --
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>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>
>> 
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>>
>
>
>
> -- 
>
> Chris Albertson
> Redondo Beach, California
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Peter Wallace
Mesa Electronics

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Re: [Emc-users] 7i90HD programming

[Todd Zuercher]

According to the manual pg. 19 (RTFM) 
http://mesanet.com/pdf/parallel/7i90hdman.pdf

"Linux and Windows utility programs mesaflash and mesaflash.exe are provided to
write configuration files to the 7I90HD EEPROM via the RS-422 interface and 
LBP16. The
linux utility can also write configuration files via the EPP interface."


- Original Message -
From: "Chris Albertson" 
To: "Enhanced Machine Controller (EMC)" 
Sent: Wednesday, November 2, 2016 12:12:46 PM
Subject: Re: [Emc-users] 7i90HD programming

OK so some new computers have obsolete ports that are not supported by the
software that comes with them.

Question, can the 7i90 be flashed using some other method like JTAG.   Of
course it can,  but does Mesa make it reasonably easy?

On Wed, Nov 2, 2016 at 5:42 AM, Todd Zuercher 
wrote:

> Rumors of the parallel ports demise are greatly exaggerated.  People have
> been saying it is dead for nearly 20 years, yet you can still buy new PCs
> and equipment that have one without much difficulty.  The new Linovo PC on
> my office desk that was bought for doing Windows/cad work (no consideration
> for needing a pp when shopping for it) still has a parallel port header on
> the motherboard, even though the 64-bit Windows OS that came on it doesn't
> support it.
>
> - Original Message -
> From: "Chris Albertson" 
> To: "Enhanced Machine Controller (EMC)" 
> Sent: Tuesday, November 1, 2016 9:01:40 PM
> Subject: Re: [Emc-users] 7i90HD programming
>
> On Tue, Nov 1, 2016 at 4:36 AM, W. Martinjak  wrote:
>
> > As I have written:
> >
> >The bit files are in:
> >
> > 7i90/configs/hostmot2/
> >
> > You need one of the 7i90_spi*.bit  files.
> > Then you have to flash the card on your printer port with
> >
>
> I've been following this because I think I want to go this rout in a couple
> months..
>
> So there is no why out of needed an old printer port interface?   That
> means finding an old PC. It there no why to flash the card using (say)
> JTAG?   The printer port is long obsolete.
>
> --
>
> Chris Albertson
> Redondo Beach, California
> 
> --
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> Access to Intel Xeon Phi processor-based developer platforms.
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Re: [Emc-users] 7i90HD programming

[Kirk Wallace]

On 11/02/2016 09:12 AM, Chris Albertson wrote:
> OK so some new computers have obsolete ports that are not supported by the
> software that comes with them.

PCIe parallel port cards are commonly available and inexpensive. 
Contrary to the PCI cards, it seems the NetMOS based cards are the ones 
that work with EPP connected FPGA signal generators. For me at least, 
Core 2 Duo PCs with excellent latency and parallel ports are plentiful 
and cheaper overall than any decent embedded platform that will need a 
lot of fiddling to never really work quite right.

>
> Question, can the 7i90 be flashed using some other method like JTAG.   Of
> course it can,  but does Mesa make it reasonably easy?

Mesa made the firmware open source, so have at it.

That's just the way it looks for here.


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

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Re: [Emc-users] 7i90HD programming

[Jon Elson]

On 11/02/2016 11:12 AM, Chris Albertson wrote:
> So there is no why out of needed an old printer port interface?   That
> means finding an old PC. It there no why to flash the card using (say)
> JTAG?   The printer port is long obsolete.
>
>
No, you can get PCI and PCIe parallel port cards at just 
about any computer outfit (Micro Center, or eBay).
Any desktop PC should be able to accommodate one of these cards.

Jon

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Re: [Emc-users] 7i90HD programming

[Chris Albertson]

OK so some new computers have obsolete ports that are not supported by the
software that comes with them.

Question, can the 7i90 be flashed using some other method like JTAG.   Of
course it can,  but does Mesa make it reasonably easy?

On Wed, Nov 2, 2016 at 5:42 AM, Todd Zuercher 
wrote:

> Rumors of the parallel ports demise are greatly exaggerated.  People have
> been saying it is dead for nearly 20 years, yet you can still buy new PCs
> and equipment that have one without much difficulty.  The new Linovo PC on
> my office desk that was bought for doing Windows/cad work (no consideration
> for needing a pp when shopping for it) still has a parallel port header on
> the motherboard, even though the 64-bit Windows OS that came on it doesn't
> support it.
>
> - Original Message -
> From: "Chris Albertson" 
> To: "Enhanced Machine Controller (EMC)" 
> Sent: Tuesday, November 1, 2016 9:01:40 PM
> Subject: Re: [Emc-users] 7i90HD programming
>
> On Tue, Nov 1, 2016 at 4:36 AM, W. Martinjak  wrote:
>
> > As I have written:
> >
> >The bit files are in:
> >
> > 7i90/configs/hostmot2/
> >
> > You need one of the 7i90_spi*.bit  files.
> > Then you have to flash the card on your printer port with
> >
>
> I've been following this because I think I want to go this rout in a couple
> months..
>
> So there is no why out of needed an old printer port interface?   That
> means finding an old PC. It there no why to flash the card using (say)
> JTAG?   The printer port is long obsolete.
>
> --
>
> Chris Albertson
> Redondo Beach, California
> 
> --
> Developer Access Program for Intel Xeon Phi Processors
> Access to Intel Xeon Phi processor-based developer platforms.
> With one year of Intel Parallel Studio XE.
> Training and support from Colfax.
> Order your platform today. http://sdm.link/xeonphi
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> https://lists.sourceforge.net/lists/listinfo/emc-users
>
> 
> --
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> Access to Intel Xeon Phi processor-based developer platforms.
> With one year of Intel Parallel Studio XE.
> Training and support from Colfax.
> Order your platform today. http://sdm.link/xeonphi
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-- 

Chris Albertson
Redondo Beach, California
--
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Re: [Emc-users] 7i90HD programming

[Todd Zuercher]

Rumors of the parallel ports demise are greatly exaggerated.  People have been 
saying it is dead for nearly 20 years, yet you can still buy new PCs and 
equipment that have one without much difficulty.  The new Linovo PC on my 
office desk that was bought for doing Windows/cad work (no consideration for 
needing a pp when shopping for it) still has a parallel port header on the 
motherboard, even though the 64-bit Windows OS that came on it doesn't support 
it.

- Original Message -
From: "Chris Albertson" 
To: "Enhanced Machine Controller (EMC)" 
Sent: Tuesday, November 1, 2016 9:01:40 PM
Subject: Re: [Emc-users] 7i90HD programming

On Tue, Nov 1, 2016 at 4:36 AM, W. Martinjak  wrote:

> As I have written:
>
>The bit files are in:
>
> 7i90/configs/hostmot2/
>
> You need one of the 7i90_spi*.bit  files.
> Then you have to flash the card on your printer port with
>

I've been following this because I think I want to go this rout in a couple
months..

So there is no why out of needed an old printer port interface?   That
means finding an old PC. It there no why to flash the card using (say)
JTAG?   The printer port is long obsolete.

-- 

Chris Albertson
Redondo Beach, California
--
Developer Access Program for Intel Xeon Phi Processors
Access to Intel Xeon Phi processor-based developer platforms.
With one year of Intel Parallel Studio XE.
Training and support from Colfax.
Order your platform today. http://sdm.link/xeonphi
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Re: [Emc-users] Question regarding fuses, line reactors

[Dave Cole]

Some higher end VFDs have line filters built in.   Might want to check 
to see if yours does before you
buy a filter.

Dave

On 11/1/2016 10:06 PM, Jon Elson wrote:
> On 11/01/2016 07:33 AM, John Alexander Stewart wrote:
>> Line Reactors. 10A. Generally a good idea or not really worth worrying
>> about?
>>
>>
> Well, if you have interference problems, especially when the
> spindle is running, then you may benefit from them.  I had a
> few things close to my mill that showed interference, one
> was the computer monitor on the CNC control had "fuzz" on
> the screen only when the spindle was running.  I put a
> heavy-duty line filter box on the VFD input, and it went away.
>
> Jon
>
> --
> Developer Access Program for Intel Xeon Phi Processors
> Access to Intel Xeon Phi processor-based developer platforms.
> With one year of Intel Parallel Studio XE.
> Training and support from Colfax.
> Order your platform today. http://sdm.link/xeonphi
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