#linuxcnc-devel | Logs for 2012-12-02

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[08:55:23] <Belerafon_L> Hi. I'm interested cnc source code and now try to understand difference between original rs274ngc interpreter and rs274ngc from Linuxcnc version. What are added to rs274ngc code?
[08:56:42] <Belerafon_L> Or can I read this stuff somewhere?
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[09:19:58] <awallin> Belerafon_L: the original rs274 docs are found by googling
[09:20:17] <awallin> the current linuxcnc interpreter should be described in the manuals
[09:20:32] <awallin> http://www.linuxcnc.org/docs/2.5/html/
[09:21:34] <Belerafon_L> Thanks
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[15:57:35] <jthornton> bldc_sine shows up on the online docs but it is not in the 2.5 branch... do we need to purge something online?
[16:00:52] <jthornton> I see bldc_sine.9 is in the git ignore, can that be the problem?
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[17:08:12] <awallin> mhaberler: so I just tried the xenomai kernel that has packages in the default repos for 12.04. it fails to boot with some kernel panic. this really isn't so simple.. :(
[17:09:07] <mhaberler> there is the xenomai _userland support_ package in the default repos, that doesnt give you a xenomai kernel
[17:09:34] <mhaberler> either use my debs from here: http://static.mah.priv.at/public/xenomai-debs/
[17:09:52] <mhaberler> or compile off my repo, that has several success reports too
[17:09:57] <mhaberler> them debs work;)
[17:10:20] <awallin> I couldn't get your debs to install on 12.04 (dependency issues)
[17:11:10] <mhaberler> you only need: http://static.mah.priv.at/public/xenomai-debs/linux-image-3.2.21-xenomai+_0.1_i386.deb http://static.mah.priv.at/public/xenomai-debs/linux-headers-3.2.21-xenomai+_0.1_i386.deb to boot the kernel
[17:11:33] <mhaberler> the panic was likely a missing update-initramfs before the reboot
[17:11:57] <mhaberler> the dpkg -i should do that, for some reason sometimes it doesnt
[17:12:27] <mhaberler> can you pastebin the dependency error? hard to guess what that could be
[17:12:31] <awallin> dpkg -i complained about libc6 for example
[17:12:45] <awallin> I stubbornly chose a 64-bit 12.04 again, maybe that is wrong :)
[17:12:55] <mhaberler> oh man
[17:13:07] <mhaberler> you're out on the fringe, sorry
[17:13:13] <awallin> so it should work on 32-bit 12.04 ?
[17:13:23] <mhaberler> yes, several people do
[17:13:32] <awallin> I mean the debs, and following README.xenomai in your repo
[17:13:41] <mhaberler> 64 bit buys you troubles plus exactly nothing on top
[17:13:50] <awallin> ok :)
[17:14:42] <mhaberler> could well be that was the issue
[17:15:45] <awallin> ok so I'll re install from usb-stick a normal 32-bit 12.04 and then try your debs
[17:15:55] <mhaberler> I have that very kernel on a virtualbox 12.04 precise default install working just fine (except of course for lousy latency under vbox, but that is to be expectetd)
[17:16:01] <mhaberler> yes, that should fly
[17:16:18] <mhaberler> then the userland support:
[17:16:39] <mhaberler> http://static.mah.priv.at/public/xenomai-debs/xenomai-runtime_2.6.1_i386.deb http://static.mah.priv.at/public/xenomai-debs/libxenomai1_2.6.1_i386.deb http://static.mah.priv.at/public/xenomai-debs/libxenomai-dev_2.6.1_i386.deb
[17:16:46] <awallin> so only "headers" and "image" debs forst, then a reboot?
[17:16:49] <mhaberler> dpkg -i those, done
[17:17:04] <awallin> first
[17:17:07] <mhaberler> no, dpkg -i those
[17:17:28] <mhaberler> then 'update-initramfs -c -k <version>
[17:17:32] <mhaberler> then update-grub
[17:17:34] <mhaberler> reboot
[17:18:13] <awallin> ok, just to be clear 1) dpkg -i headers+image 2) update-initramfs 3) update-grub 4) reboot 5) dpkg -i <rest>
[17:18:22] <mhaberler> perfetto
[17:18:31] <awallin> :) we'll see...
[17:19:19] <mhaberler> "the last sentence the world will hear is that of an engineer who says: 'this is completely impossible!'"
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[17:58:57] <KGB-linuxcnc> 03chrisinnanaimo 05master a62a42a 06emc2 10src/emc/usr_intf/gscreen/gscreen.py * gscreen -changes for a manual tool change dialog
[17:58:57] <KGB-linuxcnc> 03chrisinnanaimo 05master c68119b 06emc2 10configs/sim/gscreen/test_postgui.hal * gscreen config -connect to gscreen's manual tool change dialog
[17:59:01] <KGB-linuxcnc> 03chrisinnanaimo 05master 62e42b5 06emc2 10src/emc/usr_intf/gscreen/gscreen.py * gscreen -separate out manual tool change
[17:59:09] <KGB-linuxcnc> 03chrisinnanaimo 05master 9af9853 06emc2 10configs/sim/ 10gscreen_custom/gaxis.glade 10gscreen_custom/gaxis_handler.py 03gscreen_custom/gaxis_postgui.hal 10gscreen_custom/gscreen_gaxis.ini * gscreen config -add status bar and manual tool change
[17:59:16] <KGB-linuxcnc> 03chrisinnanaimo 05master d44e27f 06emc2 10configs/sim/gscreen_custom/gaxis_postgui.hal 10src/emc/usr_intf/gscreen/gscreen.py * gscreen -make HAL pins always start with gscreen
[17:59:24] <KGB-linuxcnc> 03chrisinnanaimo 05master 2f25ee0 06emc2 10configs/sim/gscreen_custom/gaxis_handler.py 10configs/sim/gscreen_custom/gscreen_handler.py 10src/emc/usr_intf/gscreen/gscreen.py * gscreen -reference handler by instance rather then module
[17:59:33] <KGB-linuxcnc> 03chrisinnanaimo 05master b441c28 06emc2 10configs/sim/ 10gscreen_custom/gscreen.glade 10gscreen_custom/gscreen_handler.py * gscreen config -show only the available axis buttons
[17:59:40] <KGB-linuxcnc> 03chrisinnanaimo 05master 724017b 06emc2 10configs/sim/gscreen_custom/gscreen_handler.py * gscreen config -update the comments
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[19:31:02] <awallin> mhaberler: I fired off an email to the list with the xenomai steps I went through... seems to work now
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[19:53:24] <skunkworks> 30us would be more than good enough for hardware step or servo systems...
[19:53:31] <skunkworks> an slow stepper systems...
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[20:02:41] <awallin> yes, that was with hyper-threading ON. I get slightly better numbers with HT off (2 physical cores and 2 logical cores)
[20:03:01] <pcw_home> what CPU?
[20:03:08] <awallin> I don't know if xenomai has the same isolcpus option as rtai. that might improve numbers still
[20:03:18] <awallin> this is an i3
[20:03:57] <awallin> i3-2120T, lga1155 socket, 35W
[20:04:16] <awallin> added bonus over the atom is that builds don't take forever :)
[20:04:58] <pcw_home> Nice that Intel is making lower power versions of the I series CPUs
[20:05:23] <pcw_home> Yeah the Atom is no speed demon
[20:05:57] <pcw_home> what video? in this Intel HD video
[20:06:35] <awallin> yes I think HD 2000. drivers are in the kernel no extra setup required
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[20:08:04] <pcw_home> Supposedly the next Atom chips will have Intel HD video and dump the PowerVR crap
[20:10:07] <awallin> that would be better. esp. if they can run without a cpu-fan and/or very little or no case-fan
[20:17:06] <pcw_home> 22 nm so should be lower power but not much real data yet (and 4th qtr 2013 release got to sell those cedar trails first)
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[20:41:25] <munktell> Might have found a bug in axis(master). If I jogg with the keyboard in continious mode and move the mouse cursor to a glade panel and releases the jogg button, machine does not stop
[20:42:06] <munktell> Assume axis misses the button up event, could be dangerous...
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[23:56:03] <KGB-linuxcnc> 03chrisinnanaimo 05master d47e71e 06emc2 10src/emc/usr_intf/gscreen/gscreen.py * gscreen -fix error when not using a handler file