ou have one (my mice don't and the click both left-and-right for middle
doesn't seem to be working).
You can also use <(left|right)-click> to bring up some
configuration options for the xterm. I need to do this on some of my
smaller screens to get text big enough for my old eyes to rea
On 1/26/2014 12:29 PM, Andrew wrote:
> 2014-01-26 Charles Steinkuehler
>
>> The combined ubc3-joints_axes4 branch is relatively untested. Can you
>> try using the latest ubc3 branch and see if it behaves any better?
>>
>> I used the same branch and config with the
get the encoder software taking less than 1 uS per
loop, and I think I can implement it with a few instructions per signal
(10-20 nS extra per bit) and have minimal overhead when disabled.
The AB gating logic is out, if you don't think it's required. That
makes things a *LOT*
ck-plot
display. You might also try dramatically lowering the thread rate to
see if that's the problem.
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CenturyLin
is
necessary to support them all (more options = longer code = lower
operating frequency).
If you use encoders on your machine, what options do you have set for
the HAL component, and (if you know) what is the maximum pulse frequency
for your machine?
--
Charles Steinkuehler
char...@s
to me, I'll probably wind up mostly copying one of the existing
serial control programs designed to talk to the AVR controllers (ie:
Pronterface, repetier host, etc).
--
Charles Steinkuehler
char...@steinkuehler
the X-Server and add significant lag to keyboard jogging (at least
the way it's setup by default). Switching away from gremlin (ie: the
DRO tab in Axis) restores the keyboard's normal response when jogging.
With your updates, do you still see the keyboard lag, or does reducing
the loa
master, and Xenomai code goes in UBC3.
Michael Haberler usually keeps UBC3 pretty current with master, but IIRC
he's off-line for a while having real-world adventures. You should be
able to pull master into UBC3 with little or no problem so you can have
the latest gscreen changes.
Ho
On 1/25/2014 3:21 PM, Charles Steinkuehler wrote:
> On 1/25/2014 3:43 PM, Chris Morley wrote:
>
>> I'm sure this screen still needs tweaks - it was actually only proof of
>> concept,
>> feel free to request changes/report bugs.
>
> Understood. It seems lik
into what ever
> you are using - UB3?
I'm running ub3, but I can pull from master. I'll let you know how it
works!
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--
creen, which is apparently due to the second screen? I'm eagerly
awaiting your modifications to delete the second screen and remove the
back-plot. I'll test again when the new configs are available.
--
Charles Steinkuehler
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signature
UI interface guy...if it isn't
hardware or assembly language, I should stay far away!*
(*) Any rumors that I actually wrote some python code should be ignored
as feeble attempts at vilification by my enemies! :)
--
Charles Steinkuehler
char...@steinkuehler.net
signa
&y motors to deal with this. I imagine it would work similarly to how a
> delta bot is configured.
>
> I just attached the config. If I need to post it in plain text just let me
> know.
>
>
>
> On Friday, January 24, 2014 10:05 AM, Charles Steinkuehler
> wrote:
>
in the example K9 PRU
> config.
>
>
>
> On Friday, January 24, 2014 5:02 AM, Charles Steinkuehler
> wrote:
>
> On 1/23/2014 10:53 PM, Joe Spanier wrote:
>> Ok Got that figured out. Turns out my first issue was the
>> core_xy_kins.c file was empty, so that wasnt help
thank you for the help.
When you start LinuxCNC with non-trivial kinematics, you're in joint
mode by default, where you move each joint independently for homing.
Once you've homed all the joints, switch to world mode and X/Y/Z jogs
should work as expected going through the kinematics module.
build of LinuxCNC uses user-mode real-time threads.
Just drop to a command line and run the comp command.
If that doesn't get you un-stuck, post again and I'll see if I can't
reproduce your error(s) and come up with a fix
backplot is optional:
http://www.linuxcnc.org/docs/devel/html/gui/tklinuxcnc.html
...and it's mostly lacking "bells and whistles". :)
--
Charles Steinkuehler
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CenturyLink Cloud: The Leader in
k to it because it generates the fewest problems overall and I'm
trying to work on lower-level stuff. If you do get a gscreen
configuration working, let me know...I'm interested in trying it out if
it's stable on the 'Bone.
-
ur machine setup.
I did have to dial my acceleration down to around 2400 mm/s/s to avoid
missing steps with some Slic3r generated infill gcode, but that had
nothing to do with the BeagleBone, my steppers and drivers just weren't
up to the task when running off 12V.
--
Charles Steinkueh
ritten to
configure the GPIO as an output with that initial value.
Note that this attribute *will not exist* if the kernel
doesn't support changing the direction of a GPIO, or
it was exported by kernel code that didn'
etween.
>> Get a Quote or Start a Free Trial Today.
>>
>> http://pubads.g.doubleclick.net/gampad/clk?id=119420431&iu=/4140/ostg.clktrk
>> ___
>> Emc-users mailing list
>> Emc-users@lists.sourceforge.net
>> https://lists.so
figure
out the proper kernel GPIO values to change, you may find the following
spreadsheet useful:
https://github.com/cdsteinkuehler/beaglebone-black-pinmux/blob/hal_pru_generic/pinmux.ods
--
Charles Steinkuehler
char...@steinkuehler.net
signature.as
no mechanism for "configured once prior to startup and not changed at
runtime", which is what you'd need to implement a string longer than 8
bytes. And using a double type as an 8-byte string is just all kinds of
wrong, IMHO.
I'll stick with an integer numbering scheme
t Chris
Morley is currently working on a bunch of updates, including support for
the BeagleBone.
I'm also working on refactoring and cleaning up a bunch of the
BeagleBone specific drivers that will make it much easier for anyone
(human or machine) to generate a working configuration! :)
--
ges, which I know have the proper boot code to "chain-load"
off of the SD card.
--
Charles Steinkuehler
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CenturyLink Cloud: The
On 1/11/2014 5:54 AM, Gene Heskett wrote:
> On Saturday 11 January 2014 06:52:26 Charles Steinkuehler did opine:
>
>> Mike: If you're running into this problem, try formatting the SD card in
>> a phone or camera or something to restore the FAT32 partitioning, and
>> m
On 1/11/2014 5:37 AM, andy pugh wrote:
> On 11 January 2014 11:04, Charles Steinkuehler
> wrote:
>> There should be some Windows utility that will just write the 4G
>> straight to the SD card,
>
> Different application, but Udoo suggest Win32DiskImager too:
> Instr
On 1/11/2014 1:56 AM, Mike Eitel wrote:
> Charles Steinkuehler writes:
>
>>
>> On 1/10/2014 11:21 AM, Mike Eitel wrote:
>>>
>>> I also send a detailed pm to you. Some days ago.
>>
>> Sorry, I must have missed it. Note that I don't typically
On 1/10/2014 10:19 PM, andy pugh wrote:
> On 11 January 2014 02:59, Charles Steinkuehler
> wrote:
>> I think I've come up with a reasonable solution
>> that will still work with HAL's limitations (only bit, integer, and
>> float data types, so no strings).
>
et to include the
proposed numbering scheme:
https://github.com/cdsteinkuehler/beaglebone-black-pinmux/blob/hal_pru_generic/pinmux.ods
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-
halcmd show pin bb_gpio
You probably want:
bb_gpio.p8.in-09
^
Note the leading zero on the pin number!
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Charles Steinkuehler
char...@steinkuehler.net
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Description: OpenPGP digita
card and doesn't try to "understand" the image.
Only the decompression utility should be able to complain about crc
errors. The disk imaging tool has no way of checking the image itself
for errors, so if it's reporting problems it's either an issue with the
SD card or the imagin
On 1/10/2014 9:33 AM, Charles Steinkuehler wrote:
> On 1/10/2014 7:42 AM, Thomas Studwell wrote:
>>
> I can easily modify the PRU assembly and create a version that does
> falling-edge step pulses for all step/dir generators. To use it, you
> would simply point to the modified
time (it's a *LOT* faster than bulk writing 4G).
Exactly what commands are you running to copy the image to your card,
what is the exact error you received, and where in the process did it
fail (when uncompressing the image, or when writing to the card)?
--
Charles Steinkuehler
c
-- Original Message
> Subject: Re: Re: [Emc-users] How do you change polarity of Step
> Pulses in MachineKit stepgen?
> Date: Mon, 06 Jan 2014 07:43:49 -0500
> From: Thomas Studwell
> To: Enhanced Machine Controller (EMC)
>
>
>
> On 1/5/201
l see if I can't tackle your step polarity issue while I'm making the
other changes. What sort of time-frame are you working with?
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-
e listed in a spreadsheet I've got on github:
https://github.com/cdsteinkuehler/beaglebone-black-pinmux/blob/hal_pru_generic/pinmux.ods?raw=true
Scroll all the way to the right for the LinuxCNC stuff.
--
Charles Steinkuehler
char...@st
a few other things you can do
with a hostmot2 stepgen).
Also, since the PRU is running the "base thread", instead of the ARM,
you can't use HAL to play with the outputs like you could if it was a
typical x86 system. Anything dealing with timings faster than the servo
thread needs to
o you either need to
move this signal to another pin, disable (or override) the HDMI pin
multiplexing for PRU I/O 0, or just shorten the PRU task period and hope
for the best (not recommended).
--
Charles Steinkuehler
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Description: OpenPGP digital signat
imal, octal, binary, or anything else the C
libraries recognize as an integer:
https://github.com/cdsteinkuehler/beaglebone-black-pinmux
--
Charles Steinkuehler
char...@steinkuehler.net
signature.asc
Description: Op
Stepgens to
> velocity mode since they are all created together via some pru_generic.bin
> file.
> Is there a way to pass this argument to this bin file or is there a way to
> bypass the bin file and just create the stepgen on the fly?
>
> On Sunday, December 29, 2013, Charles Steinkuehler
On 12/29/2013 1:59 PM, Bas de Bruijn wrote:
>
> On 29 Dec 2013, at 20:40, Charles Steinkuehler
> wrote:
>
>> When I'm actively developing, I typically don't keep LinuxCNC on
>> the SD card, but mount a remote NFS share where I usually have
>> multiple
root
filesystem is on the MMC which can't be read from anymore). If this is
the problem you're having, it should be fixed in the -bone28 and newer
kernels. I also just released a new image that uses the latest -bone33
kernel if you need to upgrade.
--
Charles Steinkuehler
char...
ll be setup
to run the build in that directory. Different shell windows can be
setup to run different versions of LinuxCNC. If you want to do this,
make sure to comment out where the rip-environment script is run at the
end of /home/linuxcnc/.bashrc!
--
Charles Steinkuehler
char...@
have to
code up a frequency generator task for the PRU, unless the required
frequency is low enough (below 200-300 Hz or so) you can generate it in
the 1 KHz servo thread using the HAL software frequency generator.
--
Charles Steinkuehler
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Descripti
a new image than rebuild, but YMMV.
I also tend to keep around a bunch of SD cards for experimenting, some
with JA4 and some with the plain UBC branch.
--
Charles Steinkuehler
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--
r if you need help with this, or if a generic PWM generator
is not an appropriate control signal.
--
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Description: OpenPGP digital signature
--
Rapidly troubleshoot p
already in this branch, you just have to
select it in your configuration file.
--
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Description: OpenPGP digital signature
--
Rapidly troubleshoot pro
(to either use the PRU to do software encoder tracking, or enabling
the hardware encoder logic in the AM335x and linking it to HAL).
--
Charles Steinkuehler
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Description: OpenPGP digital signature
audio lines, which are
shared between the HDMI output and the P8/P9 connectors.
Using the HDMIN version of the video output leaves the most pins free
for other use.
--
Charles Steinkuehler
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Description: OpenPGP digital signature
-
erent pin numbering schemes (even
more if you count how the bb_gpio module names the exported pin
signals). Feel free to clean this up and submit a patch! :)
> Also, what is BB-LCNC-BEBOPRBR-00A0.dts file?
This is the source file for the device tree overlay (dtbo) file.
--
Charles Stein
e original BeBoPr board when used with a bridge board set
* The BeBoPr+
* The BeBoPr++
use the BB-LCNC-BEBOPRBR-00A0 overlay.
--
Charles Steinkuehler
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--
On 12/22/2013 2:53 AM, bdebru...@luminize.nl wrote:
>
> On 2013-12-22 04:25, Charles Steinkuehler wrote:
>>
>> Exactly what does "swing wildly" mean? There is quite a bit of noise
>> when using the on-chip A/D converter on the BeagleBone, but for me it
TI ADC that Bas has provisions for on the
BeBoPr (see his github wiki for details). I haven't tried this myself,
but I have the kernel modules available and it is reported to work quit
well.
--
Charles Steinkuehler
char...@steinkuehler.net
signa
value
echo 0 > /sys/class/gpio/gpio/value
...if the I/O pin doesn't 'twiddle', you don't have the BeagleBone setup
properly. If it does, LinuxCNC and the PRU code should be able to talk
to it. If it's still not working, double-check the pin setting in HAL
(which you can
On 12/21/2013 10:54 AM, Andrew wrote:
> 2013/12/21 Charles Steinkuehler
> https://mail.google.com/mail/u/0/?view=cm&fs=1&tf=1&to=char...@steinkuehler.net>
>>
>
>> Sorry, the comments are out of date.
>>
>> 0x4C is GPIO bank 1, pin 12, which is on c
On 12/21/2013 9:12 AM, Andrew wrote:
> 2013/8/9 Charles Steinkuehler
>
>> Any I/O pins that are not already used by something else. The PRU code
>> is capable of driving any pin in the 4 32-bit banks of GPIO, as well as
>> the 16 directly-connected low-latency P
a 10 MB 3D print file with
a few hundred thousand lines of gcode).
Note that you can also use the null cipher (no encryption) with ssh, but
you have to coerce both ends into allowing this. You can also just
forward the raw X display without tunneling (I've verified this with the
k OK for this board, and it should also be very easy to
craft an interface using the GPMC (General Purpose Memory Controller),
which is essentially a parallel 8 or 16 bit memory bus.
So a bit of fiddling will probably be required, but nothing too major.
--
Charles Steinkuehler
char...@steinkuehl
Y or Z, but all the 'interesting' moves include A.
You do blend over three axis (XYZ), right? Is there an easy way to
blend over XYA and leave Z as the odd-man out?
If not, I'm not sure testing would really be that interesting, other
than to prove the code properly falls back to the
.
On 12/16/2013 9:50 AM, Viesturs Lācis wrote:
> Araisrobo have implemented jerk limitation. I will forward you an email
> from Yishin, there are some links to their source code. That email is more
> than 2,5 years old :)
>
> Viesturs
>
>
> 2013/12/16 Charles Steinkuehler
to experiment...
On 12/16/2013 9:50 AM, Viesturs Lācis wrote:> Araisrobo have implemented
jerk limitation. I will forward you an email
> from Yishin, there are some links to their source code. That email is
> more than 2,5 years old :)
>
> Viesturs
>
>
> 2013/12/16 Charle
If so, does the new trajectory planner with arc blending have jerk
limiting too? I may be switching to that sooner than I expected. :)
--
Charles Steinkuehler
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Description: OpenPGP di
On 12/13/2013 2:53 PM, Andrew wrote:
> 2013/12/13 Charles Steinkuehler
>
>> using lightdm fixes the shutdown/reboot buttons too.
>
> Yes, I just forgot to mention it.
> What other changes expected in the next Machinekit?
General updates to the kernel and the Debian ins
On 12/13/2013 2:13 PM, Andrew wrote:
> 2013/12/4 Charles Steinkuehler
>
>> Please try the following. At a command prompt run:
>>
>> sudo aptitude install lightdm
>>
>> When prompted to pick a default display manager, choose lightdm instead
>> of xdm.
On 12/09/13 08:40, Chris Radek wrote:
> On Sun, Dec 08, 2013 at 11:21:19AM -0600, Charles Steinkuehler wrote:
>
>> Also, the math only
>> needs to happen on the endpoints, not every mS as the machine is moving
>> along the commanded path.
>
> This is only true i
On 12/9/2013 6:55 AM, andy pugh wrote:
> On 9 December 2013 12:47, Charles Steinkuehler
> wrote:
>
>> So, the options are to add mechanical complexity simply to provide a way
>> to get the bed level enough to print on
>
> On the Simpson it looks like that mechanis
On 12/08/13 23:21, Gregg Eshelman wrote:
> On 12/8/2013 9:47 AM, Charles Steinkuehler wrote:
>> I'm working on a non-Cartesian 3D printer controlled with LinuxCNC, and
>> rather than level the print bed mechanically, I would like to measure a
>> few points and transfor
On 12/08/13 11:12, andy pugh wrote:
> On 8 December 2013 17:06, Charles Steinkuehler
> wrote:
>
>> I'll add the processing to the kinematics if I need to, but it seems
>> like it should really be in the gcode processor.
>
> I disagree. G-code works in idealised
On 12/08/13 11:06, Charles Steinkuehler wrote:
>
> I really don't want to have to process the gcode file. The 3D printer
> folks are getting around the limitations of their 8-bit micro-controller
> based machine control systems by running pre-processors on the G-code.
> If I
On 12/08/13 10:53, andy pugh wrote:
> On 8 December 2013 16:47, Charles Steinkuehler
> wrote:
>
>> I went looking through the G-Code reference, but only saw stuff to deal
>> with simple translations or maybe rotate around Z.
>
> https://code.google.com/p/grecode/
&g
eal-time thread.
--
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On 12/05/13 13:16, Andrew wrote:
>
> First I tried the solution from the thread
> http://linux.derkeiler.com/Mailing-Lists/Debian/2011-10/msg01232.html
> No good for USB, though shutdown has been working.
>
> Now I tried lightdm, no success either.
Hmm...lightdm fixes the shutdown and reboot GUI
On 12/2/2013 2:08 PM, Charles Steinkuehler wrote:
> On 12/2/2013 1:45 PM, Andrew wrote:
>
>> More googling shows that the problem is much deeper.
>> There's a solution in this thread
>> http://linux.derkeiler.com/Mailing-Lists/Debian/2011-10/msg01232.html
&g
working by
default on the MachineKit images if the fix isn't too messy.
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--
Rapidly troubleshoot problems befor
t; the motion
> controller,
> I left it there.
Makes sense, thanks for the history.
Perhaps with the hacking taking place on motion and the path planner and
whatnot, these can migrate to HAL where it seems like they belong.
--
Charles Steinkuehle
ld to get LinuxCNC built
and running. But Debian has just about anything you might ever want,
just "aptitude install ".
--
Charles Steinkuehler
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--
on the options needed
Great news! Congratulations!!!
--
Charles Steinkuehler
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--
Rapidly troubleshoot problems before they affect your business. Mo
2.5.3, Scale values only for a stepper system. I suppose
> since its for servo's, it might show more options on a servo system.
The tuning screens I've pulled up only allowed you to change HAL values,
not anything that's hard-coded only in the INI file (maximum
acce
.
So why *ARE* some machine constants in the INI file while others live in
HAL? Couldn't motion just export a bunch of HAL parameters that get set
like anything else (ie: PID servo settings and all other HAL stuff), or
is there a reason these settings have to live outside HAL in
T* of repetition in the various HM2
examples, which could be collapsed into a single core file with a few
modular tweaks if the INI parsing supported it.
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her auto-generated config files, I think this is a
good option. I also think a simplified "flat" HAL/INI file setup is OK
to require if you're going to use an automated config generation tool
like StepConf.
--
Charles Steinkuehler
char...@steinkuehler.net
signature.asc
Descrip
On 11/29/2013 6:27 PM, Sebastian Kuzminsky wrote:
> On 11/29/2013 04:46 PM, Charles Steinkuehler wrote:
>> I know about the HAL options, I was wondering if there's any way to do
>> something similar with the INI file itself.
>
> There's not.
>
> I know becau
On 11/29/2013 3:30 PM, Jon Elson wrote:
> Charles Steinkuehler wrote:
>> I'm wanting to create modular LinuxCNC configurations to allow for easy
>> modification by folks new to LinuxCNC. I can do fancy tricks with tcl
>> for HAL files, but that doesn't let me u
r-to-understand variables or
file includes or something, and get them to expand on loading into
something LinuxCNC can parse.
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---
the cooling fan) a full override probably makes more sense. Or
maybe even both with a GUI control panel...
I'll play with the options and see what works, but would rather have
been able to just:
halcmd --Do_what_I_want_to_the_motion_outputs NewTemp
...or similar. :)
Ah well...
--
Char
ally if a program is running?
It is important to be able to tweak some of these (particularly the
temperature settings) based on how the print is progressing. Using the
M1xx codes breaks blending, which causes "blobs" on the resulting print,
or I wouldn't be trying to use the analog/d
on the BeagleBoard forums (where
there are more folks with BeagleBone experience and knowledge vs. this
list, which is focused on LinuxCNC).
--
Charles Steinkuehler
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Description: OpenPGP
oftware.I have plenty of 3d models.
For hardware, see:
http://bb-lcnc.blogspot.com/p/hardware-capes.html
For slicing software, checkout Slic3r, Cura, Skienforge, and KISSlicer,
there's a decent (although a bit dated) review of them here:
http://solidoodletips.wordpress.com/2012/12/03
On 11/21/2013 10:34 AM, Kent A. Reed wrote:
> On 11/20/2013 5:11 PM, Charles Steinkuehler wrote:
>> On 11/20/2013 3:10 PM, Kent A. Reed wrote:
>>> On 11/20/2013 2:35 PM, Charles Steinkuehler wrote:
>>>> RCN already has some switches to do part of this (see --spl and
ooth running of the head.
I'm running a PID loop in HAL to control the temperature (and a few
other things like fan speed). I need to be able to update the set
values via gcode with minimal impact on overall motion. I'm hoping the
G67 works better than M1xx codes, but haven't t
Yep, I think that will work!
Now off to re-work my HAL setup and test it...
Thanks!
On 11/20/2013 4:22 PM, sam sokolik wrote:
> I think you want
> http://linuxcnc.org/docs/devel/html/gcode/m-code.html#sec:M67-Analog-Output
> maybe...
>
> sam
> On 11/20/2013 04:16 PM, Charles
top (or to stop for a lot less
time than it takes to launch a sub-process running a shell script)?
--
Charles Steinkuehler
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--
Shape the Mo
On 11/20/2013 3:10 PM, Kent A. Reed wrote:
> On 11/20/2013 2:35 PM, Charles Steinkuehler wrote:
>>
>> RCN already has some switches to do part of this (see --spl and
>> --bootloader, which affect the LOCAL_SPL, LOCAL_BOOTLOADER and
>> USE_LOCAL_BOOT variables), but that
On 11/20/2013 11:42 AM, Kent Reed wrote:
> On Wed, Nov 20, 2013 at 10:13 AM, Charles Steinkuehler <
> char...@steinkuehler.net> wrote:
>
>> I would _really_ like to create an SD imaging script that doesn't have
>> to hit the internet to download files, but that req
st.
I would _really_ like to create an SD imaging script that doesn't have
to hit the internet to download files, but that requires fairly major
surgery to RCN's scripts. Any volunteers?
--
Charles Steinkuehler
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Description: OpenPGP digital si
That's exactly what I needed...THANKS!
On 11/19/2013 3:11 PM, John Thornton wrote:
> You can use the time component. It has a complete example on the man page.
>
> JT
>
> On 11/19/2013 2:28 PM, Charles Steinkuehler wrote:
>> I'm wondering how long it takes to ru
I'm wondering how long it takes to run some gcode programs and a way to
track progress (other than the gcode window scroll bar). Is there an
easy way to turn on or otherwise implement some sort of "Hobbs meter"
for program execution?
--
Charles Steinkuehler
char...@s
r the extruder and bed heater of a 3D printer.
If you're driving a conventional milling machine they typically aren't
necessary.
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Charles Steinkuehler
char...@steinkuehler.net
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Descriptio
set the task period to something shorter than the 10 uS
default.
Let me know how many step/dir channels you need to run, and I'll try to
verify how long the PRU task takes to execute (and thus a safe
pru_period value).
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Charles Steinkuehler
char...@ste
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