#linuxcnc-devel | Logs for 2012-06-15

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[12:39:10] <jthornton> when you try and run a subroutine from the MDI without a file loaded you get this error "emc/task/emctask.cc 374: interp_error: File not open" is that check not needed any more?
[12:41:09] <jthornton> dang that is just the part that prints the error not what caused the error
[12:41:45] <jthornton> just when I thought I might even be able to find it with the file name and line number...
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[13:58:32] <jepler> jthornton: I thought that restriction was lifted long ago
[14:14:40] <JT-Shop> no, that is what caused me to want to reinstall the other day and learn all about 4Gb of memory
[14:18:27] <cradek> I thought that was moot anyway, since we have the splash screen
[14:23:29] <JT-Shop> nope you can get around that "OPEN_FILE = /full/path/to/file.ngc - The file to show in the preview plot when AXIS starts. Use a blank string "" and no file will be loaded at start up. "
[14:24:00] <JT-Shop> splash screen is not needed once you install on a machine
[14:30:31] <cradek> oh ok, so if you change it to be no splash screen, it sorta breaks some stuff?
[14:31:00] <JT-Shop> yes
[14:31:53] <JT-Shop> if you try and call a subroutine from the MDI you get r "emc/task/emctask.cc 374: interp_error: File not open"
[14:32:54] <cradek> ick.
[14:33:04] <JT-Shop> then you spend a day or two trying to figure out why...
[14:33:31] <JT-Shop> then you give up and renistall LinuxCNC and spend a day or two with that...
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[14:36:39] <cradek> I'm glad that led to understanding of the mysterious not-installed problem
[14:38:32] <JT-Shop> I'm glad to find out about the 4Gb thing too
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[15:28:07] <IchGuckLive> hi all i discoverd that if i install from synaptic out of buildbot the files friom the livecd are not removed
[15:28:38] <IchGuckLive> so im in a big trouble as i dont see what file actulie is used
[15:29:10] <IchGuckLive> if i trunsport the mashine config folder it is not regonised in all parts
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[17:39:15] <JT-Shop> I just noticed that the hostmot2-firmware-all package still references EMC2
[17:39:53] <IchGuckLive> B)
[17:40:12] <JT-Shop> in the description
[17:57:22] <cradek> yeah, we haven't redone those packages yet.
[17:58:02] <IchGuckLive> Nice
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[18:22:37] <mhaberler> jepler: I'd have a question on comp. How do non-rt functions access the instance object in the comp? there*s a static __comp_inst but it isnt initialized, and it is also shadowed by the same param in EXTRA_SETUP for instance ?
[18:25:35] <mhaberler> oh, I see - its there as a loopvar for the FOR_ALL_INSTS macro. nevermind, I get it.
[18:25:43] <jepler> oh good
[18:26:01] <jepler> I was just wondering if you were talking about a non-RT component, or functions in a realtime component that are C functions rather than hal functions...
[18:26:09] <jepler> but I see that it was the former, and that you found the answer..
[18:27:15] <mhaberler> unrelated: I saw you worked on fuse python bindings a while ago - did you consider exporting the HAL namespace in fuse ?
[18:35:58] <jepler> no but that's an interesting concept
[18:36:23] <jepler> I haven't done anything with fuse (besides use the heck out of sshfs) in an age
[18:36:40] <rogge> mhaberler: are you thinking of using HAL as a unified namspace for feedback to guis?
[18:36:57] <mhaberler> yes, but it needs a remote access proto ontop
[18:37:43] <mhaberler> it would also get rid of the copying back/forth between emcstatus, motion shared mem and hal pins
[18:38:26] <mhaberler> but the backdrop is really exploring options to link userland and rtcomps more directly than hal pins; the vpt thing will need it
[18:39:33] <mhaberler> actually, now that you say it - in theory a fuse fs could be exported over net (like smb or so); but fs caching might get in the way
[18:40:06] <mhaberler> and its going to be a real dog accessing many pins
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[18:41:13] <mhaberler> re remote hal access proto: I was thinking along the lines of an RPC thing, with a bind(list of halpins) phase returning a handle, and calling update(handle) would return the list of current pin values
[18:43:23] <mhaberler> jepler: why is FOR_ALL_INSTS userland only? it works just fine in a realtime comp too if redefined
[18:45:33] <jepler> how would you use it in RT? an invocation of a hal function is on a specific instance
[18:46:37] <jepler> it's useful in userland because the userland program has to set its own policy on when to do stuff with each instance..
[18:46:44] <mhaberler> I was playing with sysfs, and one could mirror the instance number under the comp name, so the instance number as an index would be available (its a list now)
[18:47:44] <mhaberler> (no pending commit ;-), I'm in exploratory mode)
[19:05:55] <jepler> I see.
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[19:31:25] <CIA-116> 03cradek 07v2.5_branch * rb6f526a9b09b 10/share/axis/tcl/axis.tcl: Change width of G codes display in Axis to display S word.
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[20:07:47] <alex_joni> cradek: do you plan to redo the livecd?
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