Thanks Kirk! I figured out the problem - the BIOS wanted to us LPT2 on my
machine, while the .ini file wanted to use LPT1 (0x378). Thanks for the
help!
-Thatcher
On Mon, Feb 27, 2012 at 5:46 PM, <
emc-developers-requ...@lists.sourceforge.net> wrote:
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> Today's Topics:
>
> 1. Re: Motors won't turn (Kirk Wallace)
> 2. Re: Motors won't turn (Dave)
> 3. what is the development process for linux cnc? (Mark Haynes)
> 4. Re: what is the development process for linux cnc?
> (Sebastian Kuzminsky)
> 5. Re: what is the development process for linux cnc? (Jon Elson)
> 6. Re: what is the development process for linux cnc?
> (Viesturs L?cis)
> 7. [ emc-Bugs-3477158 ] Command following M66 doesn't run in MDI
> (SourceForge.net)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 25 Feb 2012 19:43:49 -0800
> From: Kirk Wallace <kwall...@wallacecompany.com>
> Subject: Re: [Emc-developers] Motors won't turn
> To: EMC developers <emc-developers@lists.sourceforge.net>
> Message-ID: <1330227829.1304.171.camel@neptune>
> Content-Type: text/plain; charset="UTF-8"
>
> On Sat, 2012-02-25 at 17:45 -0500, Thatcher Chamberlin wrote:
> > Hi,
> > I've been spending a while getting EMC2 set up on a computer in my
> > basement. I've had a lot of errors and such, but the community and
> > wiki have been very helpful. However, my latest problem seems to not
> > have a solution. EMC2 opens, allows me to home the axes, and start the
> > G-Code,
>
> I loaded your configuration to my office PC and tried to run it. I got
> an error about shared memory and found that I needed to remove the nml
> file line from the .ini file. Then it ran fine. I put HALscope on the
> parallel port and saw that the signals are being sent, so the signals
> should be coming out of the parallel port.
>
> > but the motors receive no output.
>
> You should be able to see, with a voltmeter or other, the parallel port
> signals changing state while LinuxCNC is running a g-code file.
>
> > I've tested this in a number of ways: I've use the parallel port test
> > utility from the wiki, and also probed the outputs with an LED while
> > the G-Code was running. On the troubleshooting page, it suggested me
> > to contact the developers to get help. Here's my setup - the first
> > two attachments are the parallel port and stepper motor driver,
> > respectively, and the third attachment is the zip of the configuration
> > files.
> > Any help would be greatly appreciated.
> > Thanks,
> > Thatcher
>
> If your checks above were okay but done with the drivers disconnected,
> try it again with the drivers connected to make sure the driver inputs
> are not drawing too much current from the parallel port pins.
>
> It is not especially clear what is between the schematic with the
> parallel port connector and the driver schematic. If they are directly
> connected, this might not be a good thing. It is easy to burn out the
> parallel port pins so having a breakout board with isolation would be
> better. A breakout board with buffers is a good idea too, especially if
> the parallel port is based on 3 Volts. It looks like you are using the
> address of the motherboard port, which if you blow out will be nearly
> impossible to fix, so I recommend using a PCI dual parallel port card,
> which at around $15 is cheaper than replacing a motherboard, and
> provides another parallel port to work with. I didn't see any pull up
> resistors for the Step and Dir signals. If the parallel port can only
> sink current, you will need pull up resistors on those signals. For
> testing, you can disconnect the drivers from the parallel port and tie a
> pull up resistor to each Step and Dir input, and with a switches to
> ground. Don't ground these signals while connected to the parallel port
> because you could burn out the pins. Toggling the switches should get
> the signals to go from 0 to 5 Volts and get something to move. It looks
> like the enables are tied ON so that should not be a problem, but you
> might look into conditions that may cause the driver to go into fault
> mode. At under an Amp maximum, it could be very easy to overload the
> driver. Measuring the voltage across R1 (Current Sense) can give you an
> idea of the current draw. Current = Voltage/.75 Ohms (R1) , 750mA(Max.)
> x .75 Ohms = .56 Volts Max.
>
> That's what comes to mind so far. Good Luck.
>
>
> --
> Kirk Wallace
> http://www.wallacecompany.com/machine_shop/
> http://www.wallacecompany.com/E45/index.html
> California, USA
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Sun, 26 Feb 2012 14:54:44 -0500
> From: Dave <e...@dc9.tzo.com>
> Subject: Re: [Emc-developers] Motors won't turn
> To: EMC developers <emc-developers@lists.sourceforge.net>
> Message-ID: <4f4a8e04.8050...@dc9.tzo.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> On 2/25/2012 10:43 PM, Kirk Wallace wrote:
> > found that I needed to remove the nml
> > file line from the .ini file.
>
> Yep,
>
> That was necessary due to some changes that were made from an older
> version.
> That one bit me a year ago or so.
>
> Good catch Kirk.
>
> Dave
>
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 27 Feb 2012 00:13:55 -0500 (EST)
> From: Mark Haynes <hayne...@k-state.edu>
> Subject: [Emc-developers] what is the development process for linux
> cnc?
> To: emc-developers@lists.sourceforge.net
> Message-ID:
> <1755040191.193923.1330319635029.JavaMail.root@ksu-sfpop-mailstore06
> >
> Content-Type: text/plain; charset=utf-8
>
> Can someone please explain to me the development process for LinuxCNC? Is
> there a project lead, or is LinuxCNC developed by the entire community? If
> I create a new feature that I would like to see in the LinuxCNC software,
> how would I go about it getting published? Are parts of LinuxCNC being
> actively developed or has the project tapered off? Are there any regular
> meetings to discuss the development of LinuxCNC? Is linuxCNC currently
> funded? This is a lot of different questions, I greatly appreciate answers
> to any of them.
>
> Regards
> --haynes
>
>
>
> ------------------------------
>
> Message: 4
> Date: Mon, 27 Feb 2012 09:34:02 -0700
> From: Sebastian Kuzminsky <s...@highlab.com>
> Subject: Re: [Emc-developers] what is the development process for
> linux cnc?
> To: EMC developers <emc-developers@lists.sourceforge.net>
> Message-ID: <6c2f1698-fc68-428c-8a34-82e11eefa...@highlab.com>
> Content-Type: text/plain; charset=us-ascii
>
> On Feb 26, 2012, at 22:13 , Mark Haynes wrote:
>
> > Can someone please explain to me the development process for LinuxCNC?
> Is there a project lead, or is LinuxCNC developed by the entire community?
> If I create a new feature that I would like to see in the LinuxCNC
> software, how would I go about it getting published? Are parts of LinuxCNC
> being actively developed or has the project tapered off? Are there any
> regular meetings to discuss the development of LinuxCNC? Is linuxCNC
> currently funded? This is a lot of different questions, I greatly
> appreciate answers to any of them.
>
>
> Hi Mark, I'm not an official LinuxCNC spokesperson, just another
> developer, and here's my take on your questions.
>
> We don't really have a well-defined process. Folks talk about what they
> want to hack on here on the mailing list and on the IRC channel, and then
> they do it (or don't) ;-)
>
> We don't have a project "lead", but we have a board of directors that
> mostly runs the infrastructure and interacts with the real world.
> Development direction is provided by community discussion and (hopefully)
> consensus.
>
> If you want a new feature in LinuxCNC, the way to do it is to come up with
> a rough design, and talk about it with the other developers and get their
> feedback. Your feature is more likely to be well received if it does not
> break existing configs, existing gcode programs, or change existing
> behavior that a lot of people use. Then code up a proof of concept. Get
> it to work, make a nice clean git tree available somewhere, and request a
> code review.
>
> Parts of LinuxCNC are being actively developed, but the basic
> functionality is quite mature and stable. There's plenty of room for
> improvement, but the product works well for many people.
>
> There are no regular meetings. We're scattered all over the planet, so
> meat-space meetings are impractical. We all talk daily on IRC, but there's
> nothing like an official meeting with an agenda, action items, etc.
>
> There is no central funding for LinuxCNC. Some developers occasionally do
> contract work to add features, but that's the exception rather than the
> rule - mostly we work on LinuxCNC because we have spare time and interest,
> and the occasional personal itch.
>
>
> --
> Sebastian Kuzminsky
>
>
>
>
> ------------------------------
>
> Message: 5
> Date: Mon, 27 Feb 2012 12:32:08 -0600
> From: Jon Elson <el...@pico-systems.com>
> Subject: Re: [Emc-developers] what is the development process for
> linux cnc?
> To: EMC developers <emc-developers@lists.sourceforge.net>
> Message-ID: <4f4bcc28.6080...@pico-systems.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Mark Haynes wrote:
> > Can someone please explain to me the development process for LinuxCNC?
> Is there a project lead, or is LinuxCNC developed by the entire community?
> If I create a new feature that I would like to see in the LinuxCNC
> software, how would I go about it getting published?
> It depends a bit on how deeply this integrates into the code. if it is
> a simple add-on
> that hooks up to an already defined interface, like a driver for a new
> type of
> motor, then it doesn't require altering the rest of the LinuxCNC code base,
> it is just an additional module. That should be quite painless. If it
> does require
> modifying an existing piece of code, then you can test it on your own,
> making
> your own private branch in your local code repository, until you feel it
> is ready
> to show to others. Then, you can discuss the implications of the
> changes with
> other developers to see if anyone sees a problem. Of course, you can also
> discuss before writing code to see if anybody has comments.
> > Are parts of LinuxCNC being actively developed or has the project
> tapered off?
> Development goes in spurts. They are mostly trying to close up the
> final details on
> 2.5 and get that released. Mostly is is documentation updates, partly
> from the
> project renaming and partly from some migration of the packages that
> generate
> the doc files.
>
> But, LinuxCNC is very definitely an active project, there are a bunch of
> new ideas
> for moving past 2.5, some having to do with trajectory improvements.
> > Are there any regular meetings to discuss the development of LinuxCNC?
> Lots of chat on the IRC, some on the mailing lists. There is also a
> board list exclusive
> to the board members.
> > Is linuxCNC currently funded?
> Never has been, and a number of board and other members have said "never
> will be!"
> I'm not sure I agree with that, but there has been a strong sentiment to
> not let it be
> beholden to some company. I DO agree with that.
>
> Jon
>
>
>
> ------------------------------
>
> Message: 6
> Date: Mon, 27 Feb 2012 21:01:44 +0200
> From: Viesturs L?cis <viesturs.la...@gmail.com>
> Subject: Re: [Emc-developers] what is the development process for
> linux cnc?
> To: EMC developers <emc-developers@lists.sourceforge.net>
> Message-ID:
> <cakney+cekra-lohddigulgngxoxu_q1p6auh59htfvfbiod...@mail.gmail.com
> >
> Content-Type: text/plain; charset=ISO-8859-1
>
> 2012/2/27 Jon Elson <el...@pico-systems.com>:
> > Mark Haynes wrote:
> >> ? Is linuxCNC currently funded?
> > Never has been, and a number of board and other members have said "never
> > will be!"
> > I'm not sure I agree with that, but there has been a strong sentiment to
> > not let it be
> > beholden to some company. ?I DO agree with that.
>
> I am sure that it would also involve some legal dispute, because I do
> not know of any legal entity existing to hold the rights/ownership for
> the application. I do not remember where, but I have seen a remark
> that this application has been created with a help of US government
> funding, so no copyright (and thus also any ownership rights) apply to
> this piece of software, so I am sure that it is not an easy answer, if
> such a scenario to take over the whole project is actually possible at
> all.
>
> It seems that there are some companies that have modified this
> application and are offering it with their name, but I find such an
> approach very disputable in several aspects. Anyway, it does not seem
> that any of those spin-offs has gained any significant awareness or
> market-share, which tells me that it would most likely harm project
> more than would provide the benefit (of course, that depends on many
> aspects, mostly - the amounts of financing being invested).
> Although it implies some drawbacks, I do agree with the opinion that
> LinuxCNC should remain its current status.
>
> There are other examples, like Yishin's company, that are using
> LinuxCNC for their machines and that have developed some promising
> features, like jerk-limited (rate of change of acceleration) motion
> and, if I recall correctly, also implementation of NURBS (and probably
> there other things that I am not aware of) and they have allowed
> public access to their git repository to take this code further.
>
> Viesturs
>
>
>
> ------------------------------
>
> Message: 7
> Date: Mon, 27 Feb 2012 14:46:26 -0800
> From: SourceForge.net <nore...@sourceforge.net>
> Subject: [Emc-developers] [ emc-Bugs-3477158 ] Command following M66
> doesn't run in MDI
> To: SourceForge.net <nore...@sourceforge.net>
> Message-ID:
> <
> mailman.95550.1330382788.15724.emc-develop...@lists.sourceforge.net>
> Content-Type: text/plain; charset=UTF-8
>
> Bugs item #3477158, was opened at 2012-01-21 17:50
> Message generated for change (Comment added) made by mahsofo
> You can respond by visiting:
>
> https://sourceforge.net/tracker/?func=detail&atid=106744&aid=3477158&group_id=6744
>
> Please note that this message will contain a full copy of the comment
> thread,
> including the initial issue submission, for this request,
> not just the latest update.
> Category: Motion Controller
> Group: None
> Status: Open
> Resolution: None
> Priority: 5
> Private: No
> Submitted By: Erik Friesen (erikfriesen)
> Assigned to: John Kasunich (jmkasunich)
> Summary: Command following M66 doesn't run in MDI
>
> Initial Comment:
> After homing, call o<testsub> from the mdi line, notice it doesn't execute
> the last line, until G0, or some other command is entered from the MDI.
>
> ----------------------------------------------------------------------
>
> >Comment By: Michael Haberler (mahsofo)
> Date: 2012-02-27 14:46
>
> Message:
> please clarify linuxcnc version
>
> ----------------------------------------------------------------------
>
> You can respond by visiting:
>
> https://sourceforge.net/tracker/?func=detail&atid=106744&aid=3477158&group_id=6744
>
>
>
> ------------------------------
>
>
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