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[02:17:56] <KGB-linuxcnc> 03Dewey Garrett 052.7 1715b9d 06linuxcnc 10(13 files in 2 dirs) moveoff: add gladevcp demo * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=1715b9d
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[13:13:39] <dgarr> seb_kuzminsky: i am interested in the streamer patch with man page add here:
http://www.panix.com/~dgarrett/stuff/0001-streamer.c-add-clock-clock-mode-pins.patch ok for 2.7?
[13:18:58] <jepler> > in addition there are two new pins to enable clocking streamer.
[13:19:05] <jepler> I don't think it makes sense in a comment to call the pins "new"
[13:19:36] <jepler> so I'd slightly reword the comment
[13:20:18] <jepler> + /* keep last two clock states to get all possible clock edges */
[13:20:18] <jepler> + myclockedge=((myclockedge<<1) | (*(str->clock) & 1)) & 3;
[13:20:18] <jepler> + /* are we enabled? - generate doclock if enabled and right mode */
[13:20:18] <jepler> + doclk=0;
[13:20:18] <jepler> + if ( *(str->enable) ) {
[13:20:23] <jepler> inconsistent indentation
[13:20:46] <jepler> in that whole added block
[13:21:44] <jepler> - tmpin += fifo->depth;
[13:21:45] <jepler> + tmpin += fifo->depth;
[13:21:52] <jepler> whitespace-only change
[13:24:12] <jepler> I think the logic is OK but I would like to see the code style cleaned up before it's merged.
[13:24:41] <jepler> also attention will be required when merging to master, as seb_kuzminsky has converted the streamer docs from man to asciidoc. I volunteer to do that.
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[14:32:34] <dgarr> seb_kuzminsky: revised per jepler's remarks (to the extent i comprehend them):
http://www.panix.com/~dgarrett/stuff/v2-0001-streamer.c-add-clock-clock-mode-pins.patch
[14:40:22] <jepler> ah the code is wrong :-/
[14:40:29] <jepler> myclockedge needs to be a member of streamer_t
[14:40:39] <jepler> otherwise it is not going to work for multiple instances
[14:41:26] <dgarr> ok -- thanks for looking at it, i give up on this one
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[14:55:53] <dgarr> http://www.panix.com/~dgarrett/stuff/v3-0001-streamer.c-add-clock-clock-mode-pins.patch
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[15:06:39] <seb_kuzminsky> dgarr: is this the patch from our feature-request tracker? (with your fixes as per jepler's review comments)
[15:07:13] <dgarr> yes
[15:07:36] <seb_kuzminsky> jepler: i'm pleased to discover that i merged that asciidoc manpage stuff (as opposed to a few dozen half-finished branches lying around in my private repos)
[15:07:40] <seb_kuzminsky> dgarr: cool
[15:07:45] <seb_kuzminsky> i'll take a look at you v3
[15:07:49] <seb_kuzminsky> *your
[15:08:30] <seb_kuzminsky> is "freerun" a word?
[15:08:38] <seb_kuzminsky> (it's used in the manpage)
[15:10:08] <cradek> maybe not, but I know what it means and it's pretty clear
[15:10:31] <seb_kuzminsky> mmmyep
[15:10:38] <cradek> I think I've heard it said in the electronics realm before
[15:11:02] <cradek> you could spell it free-run and then I'm pretty sure it's a word
[15:11:31] <cradek> (I'm ashamed I didn't look at the code but I'm commenting on grammar)
[15:12:25] <seb_kuzminsky> dgarr: there's still useless whitespace changes in the setting of str->empty and str->curr_depth
[15:12:54] <seb_kuzminsky> that's not a blocker but it's bad patch etiquette
[15:14:15] <seb_kuzminsky> that's one of the things i asked slavko to clean up before merging, which made him give up and walk away :-(
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[15:16:37] <cradek> that sucks
[15:17:16] <cradek> it's really hard as a new contributor to understand why people are picky about that.
[15:17:44] <seb_kuzminsky> yeah, i can clearly remember not caring about stuff like that at all when i was new to programming
[15:17:50] <cradek> it's only after you are bitten by how whitespace changes can make all future merges painful FOREVER that you understand
[15:18:03] <cradek> and bisects, and diffs, and ...
[15:18:07] <seb_kuzminsky> and i feel strongly that it's important, now that i've had 20 years of experience
[15:18:12] <cradek> totally
[15:18:24] <cradek> but y'know, if our tools were better it wouldn't be so important, and that sucks too
[15:19:03] <pcw_home> yeah, where's the whitespace change ignore flag?
[15:19:04] <seb_kuzminsky> right
[15:19:07] <cradek> building a vc system on diff and patch which don't even understand programming languages is pretty silly
[15:19:25] <cradek> I mean I understand why you'd do it, because anything else would be harder and probably worse, but still :-P
[15:19:43] * cradek waves his arms
[15:20:15] <seb_kuzminsky> the irrelevant parts of the files, whitespace, brace-alignment, etc, should all be local rendering preferences, just like font size and color
[15:20:46] <cradek> haha sure, except when that's not what you want
[15:20:56] <dgarr> http://www.panix.com/~dgarrett/stuff/v4-0001-streamer.c-add-clock-clock-mode-pins.patch
[15:21:01] <seb_kuzminsky> except i guess it's nice for different people to be able to agree about things like line numbers
[15:21:34] <seb_kuzminsky> dgarr: thanks
[15:22:04] <seb_kuzminsky> if you do the one that jepler pointed out above (tmpin/fifo->depth), go ahead and push it to 2.7
[15:37:00] <KGB-linuxcnc> 03Dewey Garrett 052.7 9ea94bb 06linuxcnc 10docs/man/man9/streamer.9 10src/hal/components/streamer.c streamer.c: add clock,clock-mode pins * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=9ea94bb
[15:37:06] <seb_kuzminsky> yay!!
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[15:41:49] <jepler> thanks dgarr
[15:42:04] <jepler> /beer dgarr
[15:42:16] <cradek> oh I wish that worked
[15:42:22] <jepler> (hmmm now there's a project to get you internet famous)
[15:42:50] <jepler> you'd need a solenoid and a switch
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[15:43:16] <seb_kuzminsky> http://www.beeradvocate.com/community/threads/1922-nobel-prize-winner-niels-bohr-got-a-house-with-free-beer.179713/
[15:43:44] <seb_kuzminsky> all this beer talk reminds me: it's friday! woooo
[15:43:47] <jepler> so that if the beer glass is present and has not been filled since it became present, the right tweet / email / irc message / bitcoin transaction will fill it
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[15:44:38] <seb_kuzminsky> the buildmaster would automatically /beer the committer when a build succeeds
[15:46:11] <jepler> http://www.japantrendshop.com/asahi-beerbot-beer-pouring-robot-p-130.html
[15:46:15] <jepler> drat, sold out
[15:47:22] <jepler> https://www.youtube.com/watch?v=smmcude-8mU
[15:49:18] <jepler> https://www.youtube.com/watch?v=MltbAKFXRtk
[15:49:41] <jepler> so thirsty
[15:51:06] <jepler> it would be so much simpler for American Robot. Just have to pop the tab on a can and hand it to the person
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[16:08:01] <linuxcnc-build> build #1277 of 1403.rip-wheezy-amd64 is complete: Failure [4failed compile runtests] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1403.rip-wheezy-amd64/builds/1277 blamelist: Dewey Garrett <dgarrett@panix.com>
[16:08:37] <linuxcnc-build> build #1468 of 1404.rip-wheezy-rtpreempt-amd64 is complete: Failure [4failed compile runtests] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1404.rip-wheezy-rtpreempt-amd64/builds/1468 blamelist: Dewey Garrett <dgarrett@panix.com>
[16:08:42] <linuxcnc-build> build #1277 of 1400.rip-wheezy-i386 is complete: Failure [4failed compile runtests] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1400.rip-wheezy-i386/builds/1277 blamelist: Dewey Garrett <dgarrett@panix.com>
[16:08:47] <jepler> well this doesn't look good
[16:09:01] <seb_kuzminsky> uuuhh
[16:09:34] <seb_kuzminsky> that's surprising
[16:09:45] <jepler> the tests all use streamer
[16:10:07] <linuxcnc-build> build #788 of 1402.rip-wheezy-rtpreempt-i386 is complete: Failure [4failed compile runtests] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1402.rip-wheezy-rtpreempt-i386/builds/788 blamelist: Dewey Garrett <dgarrett@panix.com>
[16:10:14] <jepler> abs.0 test is hung here too
[16:10:26] <jepler> actually rtapi_app seems to have crashed
[16:10:31] <jepler> [1803643.362991] rtapi_app[18734]: segfault at 0 ip 00007f11b4407e88 sp 00007f11b439fe68 error 4 in streamer.so[7f11b4407000+2000]
[16:10:41] <jepler> ah yes there too
[16:10:48] <seb_kuzminsky> oh
[16:10:49] <seb_kuzminsky> heh
[16:10:59] <jepler> no good deed
[16:11:34] <jepler> 203 *str->myclockedge=((*str->myclockedge<<1) | (*(str->clock) & 1)) & 3;
[16:11:36] <seb_kuzminsky> i looked for streamer tests in our test suite, and didnt find any, but i forgot that many of the tests of other comps *use* streamer to provide test patterns
[16:11:37] <jepler> (gdb) p str->myclockedge
[16:11:37] <jepler> $2 = (hal_s32_t *) 0x0
[16:11:45] <cradek> myclockedge
[16:11:46] <cradek> .. yeah
[16:11:57] <cradek> is that meant to be a pin?
[16:11:58] <jepler> myclockedge should probably just be an int
[16:12:11] <jepler> let me fix it
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[16:14:28] <seb_kuzminsky> i guess i assumed dgarr had run the tests
[16:14:39] <jepler> today at $DAY_JOB I'm waiting for 12-minute links and then 10-minute copies over wireless to the test machine :-/
[16:14:51] <jepler> it turns out the OpenGL implementation on Microsoft Surface Pro 3 is poop
[16:15:48] <cradek> the screen on that looks nice. I wonder if you could eventually put a useful OS on it.
[16:16:32] <jepler> http://winaero.com/blog/how-to-install-linux-on-surface-pro-3/
[16:16:39] <linuxcnc-build> build #1307 of 1405.rip-wheezy-armhf is complete: Failure [4failed compile runtests] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1405.rip-wheezy-armhf/builds/1307 blamelist: Dewey Garrett <dgarrett@panix.com>
[16:18:26] <jepler> (actually I don't know whether this is surface pro 3 or some other number of surface)
[16:20:15] <linuxcnc-build> build #3119 of 1300.rip-precise-i386 is complete: Failure [4failed compile runtests] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1300.rip-precise-i386/builds/3119 blamelist: Dewey Garrett <dgarrett@panix.com>
[16:20:18] <cradek> I think the reading of str->clock is wrong
[16:20:26] <linuxcnc-build> build #3121 of 1306.rip-precise-amd64 is complete: Failure [4failed compile runtests] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1306.rip-precise-amd64/builds/3121 blamelist: Dewey Garrett <dgarrett@panix.com>
[16:20:32] <linuxcnc-build> build #3120 of 1200.rip-lucid-i386 is complete: Failure [4failed compile runtests] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1200.rip-lucid-i386/builds/3120 blamelist: Dewey Garrett <dgarrett@panix.com>
[16:20:34] <cradek> or are hal_bit_t more like bools now so it's moot?
[16:20:56] <linuxcnc-build> build #2323 of 1301.rip-precise-rtai-i386 is complete: Failure [4failed compile runtests] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1301.rip-precise-rtai-i386/builds/2323 blamelist: Dewey Garrett <dgarrett@panix.com>
[16:21:15] <linuxcnc-build> build #3120 of 1202.rip-lucid-amd64 is complete: Failure [4failed compile runtests] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1202.rip-lucid-amd64/builds/3120 blamelist: Dewey Garrett <dgarrett@panix.com>
[16:21:28] <cradek> linuxcnc-build: shhh, we know, it'll be ok
[16:21:35] <cradek> jepler: ^
[16:21:57] <jepler> cradek: hal_bit_t is volatile bool *, and the value of a bool coerced to int (as in arithmetic) is 0 or 1. with a big "I think" caveat next to it
[16:22:38] <cradek> ok, that must be new, I know this was a bug in the past
[16:23:54] <jepler> I think that by using C99 bool that is no longer a concern
[16:24:06] <cradek> thanks for checking
[16:24:14] <linuxcnc-build> build #3120 of 1201.rip-lucid-rtai-i386 is complete: Failure [4failed compile runtests] Build details are at
http://buildbot.linuxcnc.org/buildbot/builders/1201.rip-lucid-rtai-i386/builds/3120 blamelist: Dewey Garrett <dgarrett@panix.com>
[16:26:52] <jepler> http://pastie.org/10111925
[16:27:11] <jepler> Runtest: 154 tests run, 153 successful, 1 failed + 0 expected
[16:27:11] <jepler> Failed:
[16:27:11] <jepler> /home/jepler/local/src/linuxcnc/tests/t0/nonrandom
[16:27:27] <jepler> http://pastie.org/10111927
[16:28:09] <seb_kuzminsky> that's one that occasionally fails, and i dont know why
[16:28:24] <seb_kuzminsky> another dropped mdi problem somewhere maybe? or a bug in that test?
[16:29:37] <KGB-linuxcnc> 03Jeff Epler 052.7 af5e850 06linuxcnc 10src/hal/components/streamer.c streamer: fix 'myclockedge' segfault * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=af5e850
[16:29:56] <seb_kuzminsky> thx...
[16:30:03] <jepler> /beer jepler
[16:31:05] <KGB-linuxcnc> 03Chris Radek 05v2.5_branch 405ed60 06linuxcnc 10src/hal/hal_lib.c Fix a dubious type cast, from machinekit dac83399 * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=405ed60
[16:31:06] <seb_kuzminsky> ///
[16:31:30] <jepler> I wonder why the F6 key on this (suface pro) keyboard has an ubuntu logo
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[16:40:21] <Tom_itx> hah
[16:41:47] <Tom_itx> never noticed that before :)
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[17:22:26] <andypugh> Is it excessive for a HAL component to use 1k for internal variables?
[17:24:39] <andypugh> shmen size seems to be 20Mb so 1k seems allowable.
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[17:31:30] <archivist> should the startup measure the size of hal variables etc so shmem can be sized to suit ?
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[17:43:35] <seb_kuzminsky> andypugh: most internal variables shouldnt live in shm, right? only hal pins & params, the things that come from hal_malloc
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[17:57:07] <andypugh> Ah, yes. The per-instance storage is private isn’t it? It’s been a while since I thought about this stuff ;-)
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[18:13:41] <jepler> andypugh, seb_kuzminsky: *in principle* 'private' stuff need not be in the hal shared memory area, but in practice comp puts everything there because it's marginally easier
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[18:24:16] <jepler> when the comp philosophy was "this is for super simple components" this was fine, because if you're going to have an int or two of extra storage it's probably not a bad idea for it to be on the same cache line as some pin pointers
[18:24:32] <jepler> but since comp gets used for megacomplex components it's more questionable
[18:24:57] <jepler> still, I think it's been awhile since we've heard anybody running out of hal memory and we usually double it every release or two
[18:25:02] <jepler> just to avoid that kind of thing
[18:26:24] <andypugh> There is one particularly guilty party for the super-complex comp sin. :-)
[18:26:55] <andypugh> You will love the current one, I am embedding a programming language. :-)
[18:27:04] <andypugh> Not turing-complete, though.
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[18:35:57] * cradek shivers
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[18:42:23] <jepler> oh I've thought about doing that
[18:42:33] <jepler> it would have been rpn/forth-based
[18:42:52] <jepler> for those who found lut5 too limiting
[18:43:08] <cradek> https://en.wikipedia.org/wiki/SIOD
[18:44:08] <cradek> I've wanted to find a problem for this solution for many years
[18:45:09] <jepler> pretty sure you don't want a language with gc running in realtime
[18:45:22] <cradek> darn
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[19:54:58] <andypugh> I may be exaggerating
[19:55:14] <andypugh> But it is extensible, so who knows?
[19:58:33] <andypugh> loadrt toolchanger config=“sequence=s1f1;r1s2t5” sets out-1 then waits for in-1 to be false, then resets out-1, sets out-2 and waits for in-5 to be true. A C-command in the sequence string operates a carousel toolchanger at any point.
[19:59:17] <andypugh> I _think_ this will cover a lot of situations, especially with G-code watching the pins and making moves as necessary.
[20:00:16] <andypugh> But I am, of course, mainly doing it because I famcied doing it. I don’t actually have a toolchanger.
[20:01:03] <andypugh> (ponder) Maybe I should split it into two components, “sequence” and “carousel” ?
[20:01:22] <cradek> how does carousel work?
[20:02:37] <andypugh> loadrt carousel config=“num_sense=5 code=gray pockets=16 bidirectional=false”
[20:04:20] <cradek> wow
[20:05:18] <andypugh> I think I will split it, the sequencer is probably useful for many things and it can fire-off the carousel easily.
[20:05:54] <JT-Shop> just ran the stencil font on the plasma running 2.7.0-pre6 and the velocity is dead on 60 IPM while cutting... just thought I'd let you guys know
[20:06:11] <andypugh> loadrt sequence config=“sequence=s1;r3 on_error=r1r2r3s5”
[20:06:26] <cradek> JT-Shop: sweet
[20:07:01] <cradek> andypugh: if you split them, someone could do the sequence part in ladder (where I think the visual representation of the program can really help) but still use your carousel part
[20:07:15] <JT-Shop> yea, I got a grin from ear to ear when it was running
[20:07:32] <andypugh> Yes, and HAL is meant to be small modules.
[20:08:28] <cradek> andypugh: I kind of hate to see you make a new kind of tool that solves some of the same things as ladder, but I understand why you want to
[20:08:44] <cradek> andypugh: down the road I'm on we'd be able to remove all the logic components like and2, too
[20:09:01] <cradek> andypugh: and I suppose nobody really wants to go down that road
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[20:11:49] <andypugh> You mean adding logic syntax to “net” ?
[20:14:07] <skunksleep> JT-Shop: the new to is cool
[20:14:36] <skunksleep> Tp
[20:14:57] <andypugh> Maybe I should step back and think. I started to write a carousel comp, then decided that it should know how to unlock itself, and maybe move the arm, and start spindle alignment. Then I decided to make that part more configurable. Then decided to take the configurable bit out and standalone to be redundant with Ladder.
[20:20:28] <andypugh> There are no real downsides to a component existing, I suppose.
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[20:29:29] <cradek> andypugh: yeah, aside from your personal support load
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[21:03:45] <andypugh> I will just lie about the author
[21:12:06] <andypugh> Xubuntu 14.04 is going to be a compile-from-source isn’t it? Is it also a “patch your own kernel” ?
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[21:29:54] <seb_kuzminsky> andypugh: well so far no one has made kernel packages for it, so yes, until someone does that
[21:31:23] <cradek> ubuntu is ditching apt, so people may as well switch to debian today
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[21:32:18] <andypugh> Hmm.
[21:32:56] <cradek> as if you needed another reason
[21:34:31] <andypugh> I actually feel I _should_ stay with Ubuntu because Canonical are British.
[21:35:08] <cradek> oh is that why they default to the weird dictionary with all the extra vowels? :-)
[21:35:30] <andypugh> Yes.
[21:35:40] <cradek> but debian is from everywhere
[21:35:43] <cradek> be a citizen of the world
[21:36:15] <cradek> why do people say "we're all brothers" but not "we're all siblings"? people are weird.
[21:36:25] <andypugh> I am amazed how many little CAM companies are based in the UK
[21:36:41] <seb_kuzminsky> it'd be great is someone made snappy-clicky-whatever packages of linuxcnc for future ubuntus
[21:36:54] <seb_kuzminsky> *if
[21:36:56] <andypugh> (CAmBam, SheetCAM, Vectrix)
[21:37:18] <seb_kuzminsky> the freesteel guys are from brittain too, aren't they?
[21:38:04] <andypugh> Maybe. Rings a vague bell.
[21:38:24] <seb_kuzminsky> http://www.freesteel.co.uk
[21:39:47] <seb_kuzminsky> wow:
http://www.freesteel.co.uk/wpblog/2015/01/05/we-have-some-slicing/
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[21:56:14] <andypugh> Ah, he’s one of us, you know:
http://www.linuxcnc.org/index.php/english/my-profile-usermenu-17/userprofile/goatchurch
[21:56:24] <cradek> woo I smell smart people
[21:56:50] <andypugh> Did you see my Slicer?
[21:57:05] <seb_kuzminsky> the dlp projector one? that was cool
[21:57:35] <andypugh> I still need to figure out how to convert 5th-order splines to polybeziers.
[22:05:39] <andypugh> cradek: Looking at the Freesteel blog they are Cavers with CUCC, which means they studied at Cambridge.
[22:11:59] <andypugh> Oh how I hate Groff/Troff
[22:15:12] <andypugh> man groff = Many pages that explain almost everything exept what the actual formatting codes are
[22:18:44] <cradek> I'm shocked there isn't one at
http://cheat-sheets.org
[22:21:57] <andypugh> I had to look at several web pages until I found one that reminded me that it is \fBmy word\fR to bold a few words and not a line. And this page suggests just starting a new line:
http://babbage.cs.qc.edu/courses/cs701/Handouts/man_pages.html
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[23:01:54] <seb_kuzminsky> andypugh: i agree...
[23:03:10] <seb_kuzminsky> is this helpful to you?
http://git.linuxcnc.org/gitweb?p=linuxcnc.git;a=commitdiff;h=c7800455c8f8074149191b8fc343342f0fc8ec77;hp=20f52dd0e1d6f6f1fafec8b8aefe6df8e05fb224
[23:08:35] <andypugh> seb_kuzminsky: I don’t think so, I am trying to format the embedded documentation in .comp
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[23:32:32] <jepler> if I had enough tuits, I'd rewrite halcompile from scratch
[23:32:37] <jepler> but my tuits remain severely depleted
[23:34:13] <jepler> andypugh: 'man 7 groff_man' (package groff on debian) is the thing I refer to for help with the manpage source format .. that and the things I think I know or remember.
[23:35:13] <jepler> and man 7 groff is stuff that is in groff independent of the 'man' package
[23:36:01] <jepler> so for instance, that's where \\fR / \\fB / \\fI are specified
[23:36:41] <jepler> though groff_man .IB / .BI / etc are probably better particularly since they don't have \\ in them
[23:37:19] <jepler> shrug, it's a markup; all markup sucks, but markup invented in the 70s sucks more
[23:37:23] <jepler> holy cow, don't google "roff", you get porn
[23:38:51] <andypugh> I have worked round it, but for some reason [16: ((personality & 0xF0) >> 8)] became [16: ((personality & 0xF0) > > 8)] in the C-code and the compiler got sad.
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[23:57:16] <jepler> that's weird!
[23:57:31] <jepler> you might try writing / 16 or / 256
[23:57:36] <andypugh> I did :-)
[23:58:15] <andypugh> I am sure I have done exactly the same thing before, too.
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