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[04:32:40] <CIA-68> 03seb 07v2.5_branch * rc0ca124ef5c0 10/docs/src/common/ (5 files): To un-confuse your coordinate system, un-rotate it
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[12:02:27] <jepler> andypugh: to be efficient on epp, I believe a tram write sequence would be [address:beginning of tram] [tram data.....]
[12:02:40] <jepler> andypugh: (I don't know if this is how it's done now or not)
[12:03:07] <jepler> so imagine you have a different function in a different thread that is faster than the one doing a tram operation
[12:03:15] <jepler> you send [address:beginning of uart] [uart data...]
[12:03:40] <jepler> now maybe this just means you can't do i/o to the epp mesa cards in more than one thread...
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[12:05:15] <jepler> hm, it doesn't even matter if multiple reads or writes are done in streaming fashion, you still can interrupt between address and data anyway
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[12:57:54] <jthornton> the manual seems confusing to me when the title is "Dynamic Cutter Radius Compensation" and the D word is diameter. Should it really be "Dynamic Tool Diameter Compensation"?
[13:08:13] <cradek> what does dynamic mean in this situation?
[13:12:17] <cradek> I agree with you it's weird, I see it as another facet of the dia/rad problem (compensation moves the path by a radius, but you measure tools in diameter)
[13:12:46] <cradek> any consistent name is probably fine in the docs
[13:14:34] <jepler> cradek: the manual seems to call G41.1, G42.1 "dynamic", presumably since the value does not come from the tool table.
[13:15:05] <cradek> oh I understand 'dynamic' for that
[13:15:21] <cradek> and maybe he's just talking about that limited case
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[13:36:57] <mhaberler> hi folks - I'm back from the woods
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[13:52:13] <micges> mhaberler: hi
[13:52:24] <mhaberler> hi!
[13:52:50] <micges> it seems you didn't hold on whole month without emc ;)
[13:52:55] <micges> linuxcnc*
[13:52:59] <mhaberler> world still turning it seems ;-?
[13:53:30] <micges> yes - same direction
[13:53:44] <mhaberler> well at times it's useful to clear the head. impact will be seen on commitlog ;)
[13:53:57] <micges> meh
[13:54:21] <micges> I knew it - you wrote patches on paper :D
[13:54:42] <mhaberler> not patches, design scribblings, but yes, paper
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[14:51:33] <jthornton> cradek, G41.1 and G42.1
[14:51:49] <jthornton> http://linuxcnc.org/docview/html/gcode/gcode.html#_g41_1_g42_1_dynamic_cutter_radius_compensation_a_id_sec_g41_1_g42_1_a
[14:58:41] <jthornton> also the tool table is diameter not radius so I think using radius in the descriptions might tend to confuse
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[19:34:17] <CIA-68> 03cradek 07v2.5_branch * r8feb761ae319 10/tcl/ngcgui.tcl: ngcgui.tcl: show fullpath for dirs in path err message
[19:34:18] <CIA-68> 03cradek 07v2.5_branch * rc2458c0e7ff7 10/nc_files/ngcgui_lib/utilitysubs/loadtool.ngc: ngcgui_lib/utilitysubs/loadtool.ngc use G43
[19:34:19] <CIA-68> 03cradek 07v2.5_branch * r09504309702a 10/ (docs/src/gui/ngcgui.txt tcl/ngcgui.tcl): ngcgui.tcl: ignore built-in readonly global variables
[19:34:19] <CIA-68> 03cradek 07v2.5_branch * r52273ec06a5d 10/nc_files/ngcgui_lib/arc1.ngc: arc1.ngc: amend final move
[19:34:19] <CIA-68> 03cradek 07v2.5_branch * r3f50e8bed9e2 10/ (6 files in 3 dirs): ngcgui_lib/lathe: g76 convenience routines
[19:35:17] <JT-Shop> YEA!
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[20:01:15] <andypugh> No opinions on serial UARTs then?
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[20:08:47] <cradek> sorry, saw your email, it is greek to me
[20:14:12] <andypugh> Maybe my assumption that all the other devs know more than me is unfounded in certain areas.
[20:14:36] <cradek> yes I have made that mistake too. It is common I think.
[20:15:32] <cradek> I think it is a variant of impostor syndrome
[20:15:35] <andypugh> I wonder how best to test the UART function? Probably a loopback wire and a scope.
[20:16:12] <cradek> yes that sounds like a very good start
[20:16:48] <cradek> it's not particularly easy to read serial on a scope, but at least you can see your bit rates etc.
[20:16:59] <andypugh> I think I will go for the minimal solution. I doubt anyone will ever usr it anyway :-)
[20:17:59] <cradek> said like a truly experienced programmer :-)
[20:18:01] <andypugh> The last time I tried to do anything low-level with serial I spent a week debugging hardware and software until I realised that the transmitter and reciever had different bit-endianness expectations.
[20:18:12] <cradek> eww
[20:18:41] <andypugh> It was an A/D converter chip, and so the output as I twiddled the pot just looked random.
[20:20:03] <andypugh> First thing to do, unplug all the hardware currently in that motherboard. I am considering getting a cheap Atom board just to code with, so that the CNC controller can finally get near to its machine (it's been 18 months)
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[20:21:54] <micges> andypugh: make cable and connect it to pc serial connector, then use cutecom program to read serial transmition
[20:22:30] <micges> of course if hm2 can set tranmition to 115kb
[20:23:53] <andypugh> As far as I know anything between 45bps and 48Mbps is possible.
[20:24:20] <andypugh> (it might top-out at 24Mbps)
[20:24:38] <micges> if so you'll see more than bits
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[20:44:52] <jepler> andypugh: if you recall, a few months ago you were criticising my choice of gin. What gin should I buy, given that I have to find it somewhere nearby and that I'm a cheapskate?
[20:45:29] <cradek> for best results, you should buy the gin that's scotch instead of being gin
[20:45:42] <jepler> cradek: bah
[20:45:50] <cradek> unless you just want to clean something with it
[20:48:29] <cradek> sorry, I didn't mean to be that way I was
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[20:51:34] <JT-Shop> should the documents refer to g41/42 as diameter instead of radius as all entries are diameter?
[20:52:46] <jepler> fwiw the phrase "cutter diameter compensation" gets more hits than "cutter radius compensation" on google (52k vs 38k)
[20:53:32] <cradek> JT-Shop: I'd ask the docs guy what he thinks, and then do that. (whatever you think is clearest is fine with me (and I expect everyone))
[20:53:32] <JT-Shop> never thought of looking like that
[20:53:52] <JT-Shop> ok, I'll ask him next time I go down to the beer cave
[20:54:11] <cradek> try to catch him in a mostly sober state
[20:54:27] <JT-Shop> LOL better go early in the morning then
[20:54:45] <JT-Shop> oh wait he might not be fully awake then
[20:55:17] <cradek> just after his morning nap?
[20:55:55] <JT-Shop> maybe after his afternoon nap is best
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[21:02:18] <andypugh> jepler: cradek has it right. My preferred gin is from Edinburgh.
http://www.hendricksgin.com/
[21:02:41] <andypugh> (I rather like the web site too, it has a pleasant quirkiness)
[21:05:39] <cradek> You must be of legal drinking age in your country to enter this website
[21:05:46] <cradek> that's sure a funny thing!
[21:06:04] <andypugh> I think you can lie, if that is a problem.
[21:06:23] <cradek> no kidding!?
[21:06:31] <cradek> you can't lie on the internet - don't be silly.
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[21:35:38] <andypugh> confusing: Compiling emc/usr_intf/xemc.cc // Linking xlinuxcnc // Compiling emc/task/emcsvr.cc // Linking linuxcncsvr
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[22:25:06] <cradek> bah
[22:28:49] <andypugh> I can see how changing the actual file names might have been a step too far.
[22:28:59] <andypugh> Git would have got very confused.
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[22:57:05] <cradek> I think git's somewhat decent at that kind of thing, but still it's probably best to avoid.
[22:57:22] <andypugh> Do I need to leave room for a null at the end of an RTAPI_MP_ARRAY_STRING?
[22:57:34] <cradek> the last 20 years of progress in revision control software has changed it from "mandatory to avoid" to "best to avoid"
[22:57:53] <cradek> uh I have nfc
[22:59:28] <andypugh> I have a feeling that the mesa 7i65 might not work with a 7i43 because hm2_7i43 is longer than hm2_pci...
[22:59:36] <cradek> I found man rtapi_module_param but it's pretty useless
[22:59:48] <andypugh> Yes, I noticed.
[22:59:55] <cradek> ha
[23:00:26] <andypugh> There is a HTML version too:
http://www.linuxcnc.org/docview/html/man/man3/RTAPI_MP_ARRAY_STRING.3rtapi.html
[23:01:10] <andypugh> And I have _no_ idea what the "description" part of the MP_ARRAY macros does
[23:01:56] <cradek> probably informs modinfo
[23:02:03] <cradek> modinfo motion
[23:02:05] <cradek> oops
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[23:04:03] <cradek> http://tldp.org/LDP/lkmpg/2.6/html/x323.html
[23:05:33] <cradek> rtapi.h is more clevar than me
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