Re: [Emc-users] Machinekit Gui

2014-01-26 Thread John Prentice (FS)
Greetings Charles wrote: It looks good, but for some reason the CPU usage on my BeagleBone is around 50%! I don't know if this is specifically BeagleBone related, or perhaps due to the fact that I just pulled the configs/sim/gscreen and share/gscreen/ directories from Master (skipping

Re: [Emc-users] Encoder Index Support Survey

2014-01-26 Thread John Prentice (FS)
Greetings I am very happy with Peter's comments on the handling of Index and polarity. On frequency, my calcs. are like this: Lathe: Spindle speed up to 3500 RPM. Threading and tapping will be slower than this but very handy to have actual spindle speed display of whole range. Encoder at 500

Re: [Emc-users] Machinekit Gui

2014-01-26 Thread John Prentice (FS)
-Original Message- From: Charles Steinkuehler [mailto:char...@steinkuehler.net] Sent: 26 January 2014 13:01 One comment I'll add is the gremlin back-plot display seems to interact with the X-Server and add significant lag to keyboard jogging (at least the way it's setup by default).

Re: [Emc-users] Machinekit Gui

2014-01-27 Thread John Prentice (FS)
Charles, Philipp, Mark- greetings http://www.tormach.com/store/index.php?app=ecomns=prodshowref=30616 It is configured with a geometric speed law on the spring-loaded ring. You can jog at full rapid speed slowing to a crawl allowing touch-off to a tenth very quickly and safely compared

Re: [Emc-users] Crackling motors using Beaglebone

2014-02-22 Thread John Prentice (FS)
Jumping in - I have had this with the MachineKit. No noise but as I had the 'scope on the signals I spotted the fidgeting Dir. I had no pulses on Step line, just Dir hunting. I was worried that it might stop the stepper drivers going to reduced current mode but with the ones I was using this was

Re: [Emc-users] Crackling motors using Beaglebone

2014-02-22 Thread John Prentice (FS)
Mark Not Geckos here but a Leadshine 3 phase stepper motor driver. I think John K has covered more bases than I ever could. In essence I see it as the accumulator counting up and down but not overflowing so a step never gets emitted but the sign of the error is changing so Dir follows this.

Re: [Emc-users] losing hair rapidly here, lcnc is not working as advertised in man pages.

2014-08-16 Thread John Prentice (FS)
Greetings -Original Message- From: Greg Bentzinger [mailto:skullwo...@yahoo.com] Sent: 16 August 2014 20:46 To: emc-users@lists.sourceforge.net Subject: Re: [Emc-users] losing hair rapidly here, lcnc is not working as advertised in man pages. snip Andy - I think the best way to get

Re: [Emc-users] connecting logic components inputs without creating signals

2014-08-17 Thread John Prentice (FS)
Greetings -Original Message- From: Jeff Epler [mailto:jep...@unpythonic.net] I have written 'anonymous net' support in branch jepler/anonymous-net Here's how I describe the new functionality: halcmd: allow net command to create anonymous nets Anonymous nets are named

[Emc-users] Mixing BLDC and brushed motors

2014-09-04 Thread John Prentice (FS)
Greetings This is probably a question for PCW but others might know or have dome it. I am looking at a small machine design where two axes will be BLDC motors and one (or perhaps two) brushed DC. The BLDC motors suit a 7i39 very well (interfaced by a 5i20). Are there any problems in

Re: [Emc-users] Steppers losing position

2014-09-04 Thread John Prentice (FS)
Greetings -Original Message- From: Viesturs Lācis [mailto:viesturs.la...@gmail.com] 2014-09-04 18:16 GMT+03:00 alex chiosso achio...@gmail.com: If the holes are deeper doesn't it means that the motor is making more steps and not less ? Is it possible that you have extra steps due to

Re: [Emc-users] Mixing BLDC and brushed motors

2014-09-04 Thread John Prentice (FS)
Peter thank you -Original Message- From: Peter C. Wallace [mailto:p...@mesanet.com] Yes you can look at the 7i39 as 6 individual 1/2 bridges and drive 3 DC motors from one 7i39. if a brushed motor was connected to half bridges A and B, I _think_ what is needed is to drive A with the PID

Re: [Emc-users] Mixing BLDC and brushed motors

2014-09-06 Thread John Prentice (FS)
Greetings to anyone who compiles Mesa bitfiles -Original Message- From: Peter C. Wallace [mailto:p...@mesanet.com] On Thu, 4 Sep 2014, John Prentice (FS) wrote: Date: Thu, 4 Sep 2014 22:44:13 +0100 From: John Prentice (FS) j...@castlewd.freeserve.co.uk Reply-To: Enhanced Machine

[Emc-users] In/Out pin on Hostmot2 Encoder component

2014-10-08 Thread John Prentice (FS)
Greetings The Manpage of Hostmot2/Encoder defines a pin: (bit in/out) index-enable When this pin is set to True, the count (and therefore also position) are reset to zero on the next Index (Phase-Z) pulse. At the same time, index-enable is reset to zero to indicate that the pulse has

Re: [Emc-users] In/Out pin on Hostmot2 Encoder component

2014-10-09 Thread John Prentice (FS)
22:25 To: Enhanced Machine Controller (EMC) Subject: Re: [Emc-users] In/Out pin on Hostmot2 Encoder component On 10/8/14 3:18 PM, John Prentice (FS) wrote: Can anyone give an example snippet of HAL to explain how one might exploit this. I cannot wire a signal to set it True (not surprisingly

Re: [Emc-users] In/Out pin on Hostmot2 Encoder component

2014-10-09 Thread John Prentice (FS)
John, thank you for your elaboration. Two points interleaved below: snip To extend the wire-signal analogy, I think of I/O pins as tri-stateable signals. I don't really get this analogy as there is also a memory hiding somewhere for when everyone it tri-stated. It feels more like a wire with

Re: [Emc-users] In/Out pin on Hostmot2 Encoder component

2014-10-09 Thread John Prentice (FS)
Andy and John Thanks TRISTATE_BIT looks great for the job of kicking an encoder index-enable. John Prentice -Original Message- From: John Kasunich [mailto:jmkasun...@fastmail.fm] Sent: 09 October 2014 19:58 To: emc-users@lists.sourceforge.net Subject: Re: [Emc-users] In/Out pin on

[Emc-users] Nooby trouble with Mesaflash and 7i80

2014-11-17 Thread John Prentice (FS)
Greetings Running LinuxCNC 2.6 Wheezy install with all notified updates applied and latest Mesaflash (well apt-get says it's latest) Linux networking is turned off and 7i80 directly connected to Ethernet port with patch cable. Mesaflash segfaults on anything other than -help. Here is

Re: [Emc-users] Nooby trouble with Mesaflash and 7i80

2014-11-17 Thread John Prentice (FS)
Peter, greetings Hmm thats a month earlier than the version I get with apt-get install if I type mesaflash --list I get an error saying unrecognized option --list so I think you have an old version Apt-get install insists I am up to date so I totally removed the mesaflash package

[Emc-users] Problem getting latest LinuxCNC RT-preempt version from Buildbot

2014-11-20 Thread John Prentice (FS)
I am trying to get a built copy of the rt preempt system from Master/(aka 2.8 pre?) via the buildbot as described at http://buildbot.linuxcnc.org/ I have sources.list.d file setup including the line deb http://buildbot.linuxcnc.org/ wheezy master-rtpreempt The package manager

Re: [Emc-users] 2.6.4---2.5.4

2014-11-23 Thread John Prentice (FS)
Aram See below Problem is that when i click F1 - off e-stop, i should be able to pick axis -- X Y Z, able to type in in MDI , AND after i push F2 machine power up and after i click on Y axis jog - (any increment ) tham machine should move. that is

Re: [Emc-users] BeagleBone Image Available

2013-09-07 Thread John Prentice (FS)
Greetings Charles - thanks for all the work on this. The install (via the Windows route) went very well except for my issued Linux on the BBB complaining about the verbose switch in the wget call for downloading the bootloader. I edited this out of the shell-script and the SD card setup was fine.

[Emc-users] Making a BBB interface cape - was BeagleBone Image Available

2013-09-08 Thread John Prentice (FS)
Greetings -Original Message- From: Charles Steinkuehler [mailto:char...@steinkuehler.net] There are far too many pin naming schemes for the BeagleBone, including two new ones used by the LinuxCNC Beaglebone code. Short answer: Read the code (sorry!)

Re: [Emc-users] BeagleBone Image Available

2013-09-14 Thread John Prentice (FS)
Greetings I have run a real machine and made chips with the BBB and MachineKit package. And very impressive and promising it is even with a 750 kB engraving job. Trying to get beyond the basic integration shows my poor Linux fundamentals :=( (a) Having used the bootable SD card I can

[Emc-users] Terminal environment on BBB was RE: BeagleBone Image Available

2013-09-18 Thread John Prentice (FS)
Charles, greetings What is the full name/path of the script(s) for setting up the environment that you run on starting terminal windows on the BBB? The GUI I am trying to run has some additional/conflicting path info. and I need to integrate them. Thanks John Prentice

Re: [Emc-users] Terminal environment on BBB was RE: BeagleBone Image Available

2013-09-18 Thread John Prentice (FS)
Answering my own question I found the running of rip-environment.sh in .bashrc Best wishes John Prentice -Original Message- From: John Prentice (FS) [mailto:j...@castlewd.freeserve.co.uk] Sent: 18 September 2013 15:08 To: 'Enhanced Machine Controller (EMC)' Subject: Terminal

[Emc-users] Trouble with a USB device on Machinekit BBB system

2013-09-23 Thread John Prentice (FS)
Greetings This is probably a simple Linux issue but I am stuck. I want to connect a Contour Shuttle Xpress as a jog controller. This has worked fine with Ubuntu but BBB does not like my recipe. When I plug in the device it shows up in /dev/usb and is reported by lsusb as (in this case

Re: [Emc-users] Trouble with a USB device on Machinekit BBB system

2013-09-25 Thread John Prentice (FS)
Greetings - From: Jeff Pollard [mailto:xylo...@hotmail.com] Sent: 24 September 2013 21:51 To: Enhanced Machine Controller (EMC) Subject: Re: [Emc-users] Trouble with a USB device on Machinekit BBB system   I was able to get a

Re: [Emc-users] OT, Pic controller? needed for high school play

2013-10-16 Thread John Prentice (FS)
Greetings I'm told I need a pic controller for this and the engineer where I work says he'll put it all together and program it, but I need to find it and buy it first. Any help I can get on this will be greatly appreciated. I suspect there is a misunderstanding as what you say sounds high

Re: [Emc-users] For anybody considering upgrading their motherboard in the next few months.

2012-09-18 Thread John Prentice (FS)
Greetings -Original Message- From: Joseph Chiu [mailto:joec...@joechiu.com] Not sure about the tablet side of the equation -- but if you want to give exploded diagrams, you might consider 3D PDFs which can be opened by Adobe Reader. But beware 3D PDFs have been dropped in

Re: [Emc-users] Milling arbor adaptor

2013-01-03 Thread John Prentice (FS)
Greetings -Original Message- From: andy pugh [mailto:bodge...@gmail.com] Sent: 03 January 2013 11:45 I have a 1.25 bore gear hob, and a 1 bore horizontal milling arbor for my milling machine. I am trying to figure out how to make an adaptor. The ideal thing would have an internal

Re: [Emc-users] G76?

2013-01-20 Thread John Prentice (FS)
Gene, greetings -Original Message- From: Gene Heskett [mailto:ghesk...@wdtv.com] Sent: 20 January 2013 05:30 Has anyone cut any threads with g76 lately? I fired off a routine that 4 months back worked great, carving a 1/4-28 thread for me several times last fall. Tonight,

Re: [Emc-users] Tormach's Unexpected Benefits Of LinuxCNC

2015-08-20 Thread John Prentice (FS)
John The PathPilot GPL source is available on DVD. Mail a $10 check to: GPL Compliance Division Tormach Inc. 1071 Uniek Drive Waunakee, WI 53597999 Please write Source Code for Machine Controller Software in the memo line of your payment. I think the handling charge above is still

Re: [Emc-users] 5i25 miss-behaving

2015-11-13 Thread John Prentice (FS)
Greetings > -Original Message- > From: andy pugh [mailto:bodge...@gmail.com] > Sent: 12 November 2015 22:07 > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] 5i25 miss-behaving > On 12 November 2015 at 21:44, Gene Heskett wrote: >>> Checking the

Re: [Emc-users] Winter Machining Project

2015-09-08 Thread John Prentice (FS)
-Original Message- From: Kirk Wallace [mailto:kwall...@wallacecompany.com] Sent: 08 September 2015 17:47 To: Enhanced Machine Controller (EMC) Subject: [Emc-users] Winter Machining Project With Fall starting soon, it might be good to start planning a project to get one through the idle

Re: [Emc-users] Windows

2015-09-02 Thread John Prentice (FS)
Yes here is a nice example on a Deckel Maho http://www.comtex.ca/Html/photos/12083_4.jpg John Prentice -Original Message- From: andy pugh [mailto:bodge...@gmail.com] Sent: 02 September 2015 10:55 To: Enhanced Machine Controller (EMC) Subject: [Emc-users] Windows They have used