#emc-devel | Logs for 2011-04-19

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[00:13:28] <Gensor> any encoder wisdom here?
[00:19:35] <archivist> dont ask meta questions in irc start with the real question
[00:20:30] <Gensor> good point
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[00:21:37] <JT-Shop> and you might note that the devel is for discussion of the development of EMC
[00:21:41] <Gensor> I would think an encoder with 8000 positions per revolution might not be that advantageous since the computer needs to keep up with that info.... correct?
[00:25:22] <CIA-34> EMC: 03cmorley 07v2.5_branch * r9acb43fd7f3c 10/src/emc/usr_intf/pncconf/ (pncconf.glade pncconf.py): add ability to set spindle speed filter gain
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[00:27:47] <CIA-34> EMC: 03cmorley 07v2.5_branch * radc828f62a80 10/src/emc/usr_intf/pncconf/pncconf.py: fix pyvcp sample display on simulated realtime
[00:27:55] <CIA-34> EMC: 03cmorley 07v2.5_branch * r541222cd5cfb 10/src/emc/usr_intf/pncconf/pncconf.py: fix scaling of near scale, and when it shows on page
[00:28:06] <CIA-34> EMC: 03cmorley 07v2.5_branch * rde630ca130d1 10/ (11 files in 2 dirs): Merge branch 'v2.5_branch' of ssh://git.linuxcnc.org/git/emc2 into v2.5_branch
[00:28:07] <CIA-34> EMC: 03cmorley 07v2.5_branch * r6aa603c0f0e5 10/src/emc/usr_intf/pncconf/pncconf.py: fix error message when configuring A axis
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[02:43:20] <KimK> Gensor: 8000 positions? Do you mean 8000 lines (32,000 quadrature counts) or 8000 quadrature counts (2000 lines)?
[02:45:46] <KimK> Never mind, I see the discussion has moved to #emc
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[18:01:00] <KimK> cradek: Does truetype-tracer ever voluntarily report its version number? Or is there a way to get truetype-tracer to report its version?
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[18:20:56] <KimK> brb
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[18:51:15] <cradek> KimK: it would show on -? if it does
[18:51:58] <KimK> OK, thanks.
[18:52:18] <cradek> that's my special way of saying I don't know from memory
[18:53:05] <KimK> No problem, I was just trying to have someone use the command line for faster results. But I can have them use Synaptic, it'll be fine.
[18:54:47] <cradek> % dpkg -s truetype-tracer
[18:54:52] <cradek> Version: 4.0-1
[18:55:39] <KimK> Oh, excellent, I've never done that one. I did make several guesses though, -?, -v, -h, --help, --version, no success.
[19:00:22] <KimK> I have another problem if you have a minute. I thought there was a way to setup/allow "instant home" for use with witness lines and wheels. But it seems not, so for simulation and development purposes (bench setup, Mesa cards, no servos) I may have to change over from "true" ini file to a "sim" ini file. Am I missing anything? Any other suggestions?
[19:01:24] <cradek> http://www.linuxcnc.org/docs/devel/html/config/ini_homing.html
[19:01:26] <skunkworks> emc can be setup to home where ever you are at
[19:01:37] <cradek> sounds like you want "Homing Type" = None from the table
[19:02:05] <KimK> I tried that, but I didn't get the "homed" targets.
[19:02:07] <cradek> (yuck, the image is missing)
[19:02:14] <cradek> psha: ^ ?
[19:02:59] <cradek> KimK: did you get an error?
[19:04:34] <KimK> Once I had it set up "correctly"(?) so that it didn't try to move the non-existent servos, it didn't fault. But I never got the targets. Hmmm, I never tried to execute a program either. (It must have been too late, I wasn't thinking clearly, lol)
[19:05:11] <cradek> try again - it does work - you must have had something not quite right.
[19:05:37] <KimK> Yes, I'll go retry it now, back in a bit...
[19:05:48] <KimK> Should I get the targets?
[19:05:53] <cradek> yes
[19:05:55] <KimK> OK
[19:05:58] <skunkworks> yes
[19:06:05] <KimK> OK. Hi Sam.
[19:06:27] <skunkworks> Hi kim.
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[19:14:00] <psha> cradek: ack
[19:14:13] <cradek> thanks :-)
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[19:29:41] <KimK> I would say it's not working. If I push "home all" it doesn't do anything observable, and later says "Can't run a program if not homed". If I push machine/home/X, it tries to move and faults out. I posted just the [AXIS 0] section at http://pastebin.com/BBMbbWR3 Shall I post more? Or try anything else?
[19:30:40] <cradek> if you want to use home all, you need a home sequence. setting them all to zero is fine, since the order isn't important.
[19:31:21] <KimK> Oh, OK, but not -1. I'll try that. BRB again...
[19:31:33] <cradek> "If HOME_SEQUENCE is -1 or not specified then this joint will not be homed by the HOME ALL sequence."
[19:31:34] <PCW> Is there any (more than idle) interest in jerk limited profiles for EMC? Not sure if Yi-Shin Li's stuff is usable or not
[19:31:39] <cradek> I guess it is allowed, but it disables home all
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[19:47:05] <KimK> cradek, skunkworks: OK, I got it to work, thanks for your help. I had to set the HOME_OFFSET to zero, which I guess I can understand, since there's no home switch to offset against. But I also had to set HOME to zero, which seems an arbitrary restriction. Why can't the witness lines define any value/location?
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[19:51:22] <KimK> Or, if it would be more consistent with the usual auto-homing method, I guess the HOME_OFFSET value could be involved in the witness line homing as well. I'll have to think about that one for awhile.
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[22:09:12] <amperbiguous> I've suspended my efforts in getting the custom kernel to work and have gone back to the live-cd install'ed version of EMC2..... Now Iwhen trying to get the emc2-dev to compile I get a different sort of issue:
[22:09:24] <amperbiguous> ... : checking for kernel math support... ok, using RTAI's libm kernel module
[22:09:25] <amperbiguous> checking for adeos... ./configure.lineno: 5924: Bad substitution
[22:09:42] <amperbiguous> during ./configure of the emc2-dev trunk
[22:10:55] <amperbiguous> What am I missing as this is a live-cd kernel and rtai installation...?
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[22:13:20] <sarariman_seb_> i bet master has a build dependency that your system doesnt meet, and configure is failing when trying to look for it
[22:13:45] <sarariman_seb_> what's line 5924 of your configure look like?
[22:16:06] <amperbiguous> hmm... if test $PYTHON = "none"
[22:16:15] <amperbiguous> oops.. no.
[22:16:34] <amperbiguous> it's a bunch of blank lines ( that was 5294 or something.. haha)
[22:16:48] <amperbiguous> from: for m in adeos rtai_hal rtai_ksched rtai_fifos rtai_shm rtai_sem rtai_math \
[22:16:48] <amperbiguous> rtai rt_mem_mgr rtai_sched rtai_libm \
[22:16:48] <amperbiguous> rtl mbuff rtl_time rtl_sched rtl_posixio rtl_fifo; do
[22:16:48] <amperbiguous> { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $m" >&5
[22:16:48] <amperbiguous> $as_echo_n "checking for $m... " >&6; }
[22:16:48] <amperbiguous> TMP=$(find $MODULE_DIR -name $m$MODEXT)
[22:16:50] <amperbiguous> if test -z "$TMP"; then
[22:16:52] <amperbiguous> TMP=$(find /lib/modules/$KERNEL_VERS -name $m$MODEXT)
[22:16:54] <amperbiguous> fi
[22:16:58] <amperbiguous> eval MODPATH_$m=${TMP/$KERNEL_VERS/\\\$\\\(uname\\\ -r\\\)}
[22:17:00] <amperbiguous> { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${TMP:-not found}" >&5
[22:17:02] <amperbiguous> $as_echo "${TMP:-not found}" >&6; }
[22:17:04] <amperbiguous> done
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[22:19:48] <amperbiguous> and MODULES_DIR = /usr/realtime-2.6.32-122-rtai/modules which has everything but adeos it looks like.
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[22:24:43] <sarariman_seb_> adeos is not required for the build
[22:26:41] <amperbiguous> I ripped out the extra spaces and adeos and it now points to this line: eval MODPATH_$m=${TMP/$KERNEL_VERS/\\\$\\\(uname\\\ -r\\\)}
[22:27:03] <amperbiguous> My regex is not fluent.
[22:27:10] <sarariman_seb_> heh
[22:27:26] <sarariman_seb_> you did a clean install from the lucid live cd, and it's giving you this error?
[22:28:34] <amperbiguous> yar.
[22:28:45] <amperbiguous> oh well. I ripped out that whole for loop and it config'ed.
[22:29:42] <amperbiguous> now granted. I've also installed other basic nicities and gnome stuff, etc.. so I can't say it is a perfectly barebones setup.
[22:30:59] <amperbiguous> but it is an order of magnitude closer to the 10.04 cd than another install I'm working on which is a 2.6.35.9+rtai-magma scratch compile. (SSE issues there if you've ever run into them?)
[22:33:01] <amperbiguous> phew. I can finally get my custom kinematics module compiled on this computer...
[22:33:59] <amperbiguous> This is the issue I was having on my other kernel: http://pastebin.com/rtM6jJNY
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