IRC log for #neo900 on 20180406

00:06.10houkimeu802 - wrong footprint with wrong number of pins again. needs to be qfn21 3x3 but there is no such fp. Guess DIY again. Although that is a standard one, mb can be found/generated for free (unlike murata 1.7 mm switch that i had to do by png conversion).
00:18.00houkimegonna do it tomorrow. Now sleep time.
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07:33.12ceene-https://www.snapeda.com/
07:33.18ceene-maybe we can find missing footprints there
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09:48.40houkimefound one specially for silicon labs in this repo https://github.com/KiCad/Housings_DFN_QFN.pretty
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10:13.48enychoukime: hrrrm, have you been seconded to the layout team or so? ;-)
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10:17.49houkimeenyc: this "layout team" now consists mostly of me as I understand. Because nobody have done anything on it since october or so.
10:19.28enychoukime: this is good news there IS a layouter =)
10:20.10enychoukime: at sempo intoitnt hopefull ythis can lead to a news-articel etc.?
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10:30.30houkimeidk. For now I'm just rechecking and syncing stuff. Will be done with syncing today I hope. Then I'll need to solve a placing puzzle and then (only then, unlike metacollin) do routing.
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10:45.54enychoukime: right, yes, good =)
10:46.06enychoukime: sync'ing 'sa in, synich with upstream cheanges to definitions of footprints and whatever?
10:50.01houkimeenyc: primarily just syncing between pcb, footprints and schematics. Some errors like wrong pin numbers, pin counts etc leading to inconsistent netlist.
10:50.39enycgood, good to have difeferent eyes to the same problem etc.
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11:39.42houkimeU1301 symbol broken for editor.
11:40.40houkimeidk if kicad will fix it or symbols need to be fixed
11:41.40houkimealso it is not displaying his exp pin. adding to TODO.
11:42.25houkime(which kinda means that this part won;t be gronded in the netlist until fixed.)
11:42.45houkime*grounded
11:44.41houkimeI guess I will need to recheck every single element again if such stuff happens.
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12:35.07houkimeu1301 ok. me silly.
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18:07.34Joerg-Neo900sorry, test
18:07.45Joerg-Neo900[2018-04-05 Thu 19:49:10] <Joerg-Neo900> jr@saturn:~/Dokumente/Neo900/projbin/neo900-proj/ee-full-mclayout2/hw> cat ./getsilego
18:07.46Joerg-Neo900[2018-04-05 Thu 19:49:10] <Joerg-Neo900> #!/bin/sh
18:07.48Joerg-Neo900[2018-04-05 Thu 19:49:10] <Joerg-Neo900> #get the URLof the pdf datasheet for a silego product, input searchstring as parameter, return URL via stdout
18:07.49Joerg-Neo900[2018-04-05 Thu 19:49:10] <Joerg-Neo900> #v1.01 JR
18:07.51Joerg-Neo900[2018-04-05 Thu 19:49:10] <Joerg-Neo900> echo -n $(wget -q  http://www.silego.com/softdoc/datasheet.html?filterPN=${1} -O -|sed -n "s%.*href\=\"\([^ ]*${1}[^ ]*pdf\)\".*%\1%;T;p;q" )
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18:26.27houkimecreated new fp for r-xbga-N6. The most beautiful fp I created, but only with the power of text editing.
18:28.48houkimeneed to upgrade fped to support my dark widgets+white text, otherwise can't see a thing. Navigation in fped is also too poor for it to be usable..
18:29.07houkimefor now manual text editing.
18:29.25Joerg-Neo900you're using fped? nice :-)
18:29.55houkimeI tried to use it, but man this is an ergonomic nightmare.
18:29.57Joerg-Neo900netacollin used his own tools for making the footprints, aiui
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18:30.58Joerg-Neo900yeah, fped has a steep learning curve and no "the UI is self explanatory"
18:32.03Joerg-Neo900the readme helped a lot for me approaching fped
18:33.01Joerg-Neo900also you need to build from upstream. what distros deliver as fped is bitrotten to the bones
18:33.24Joerg-Neo900~fped
18:33.28Joerg-Neo900hmmm
18:35.13houkimearch does not deliver fped other than in the form of a git AUR pack, so building from upstream is automatical and is the only option
18:35.23houkimelove arch.
18:36.09Joerg-Neo900hmm, please check you actually pull the latest version from the right git
18:36.31Joerg-Neo900no idea about arch here
18:37.08atkfrom git://projects.qi-hardware.com/fped.git
18:37.15Joerg-Neo900yup
18:37.19atkso that would be whatever master is on on that branch
18:37.20Joerg-Neo900ta atk
18:37.32atks/branch/repo/
18:37.45Joerg-Neo900~fped is git://projects.qi-hardware.com/fped.git
18:37.45infobotokay, Joerg-Neo900
18:38.55houkimeyep, AUR pack is using qi-hardware, all correct.
18:39.44houkimethough they have graphical issues I would like to fix. And many other things I would like to fix.
18:40.00Joerg-Neo900http://downloads.qi-hardware.com/people/werner/fisl13.pdf
18:42.34Joerg-Neo900~fped is is also http://projects.qi-hardware.com/index.php/p/fped/ DONT USE the obsolete premade DOWNLOADS
18:42.34infobot...but fped is already something else...
18:42.46Joerg-Neo900~fped is also http://projects.qi-hardware.com/index.php/p/fped/ DONT USE the obsolete premade DOWNLOADS
18:42.46infobotokay, Joerg-Neo900
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20:29.26houkimealmost synced. finally. No more stuff to be included.  Checking and removing/replacing anything extra in pcb layout file.
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20:34.58raveloGreat
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20:54.53houkimenow that I'm thinking on it, I woould like to reimplement fped using Godot game engine.
20:55.46atkthat seems like... an interesting option
20:56.23houkimethis will automatically solve lots of problems, ease development and give it a super-modern look.
20:56.51houkimegodot editor itself was written as a godot game.
20:57.06atk"super-modern look" - please no
20:57.40atkIn my experience "super-modern look" == "super useless software"
20:57.58DocScrutinizer05hehehe
20:58.08atkhas nightmares about this crap called slack and jira
20:58.19houkimeI mean it can be visually like altium or sth.
20:59.30houkimeor blender.
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21:09.00atkI do like how blender looks
21:09.06atkbut thankfully it doesn't look like these modern webapps
21:09.09atkit looks unique
21:09.24atkI am not one of those weird people who wants their entire operating system to look identical
21:17.34houkimeI need widgets to be dark or gray, otherwise eyes hurt much more even on low brightness, so I enforced dark gtk and qt themes across system. But that's it.
21:18.30houkimedark kicad looks kinda stylish.
21:34.15houkimebiggest ergonomical problems with kicad is that you can't dock eeschema inside pcbnew and when there are some dialogs in any of 3 windows, all 3 become locked instead of 1.
21:35.17houkimefor example i can't use eeschema with open read netlist dialog to assess state of symbols producing errors. etc.
21:36.16houkimeomg my english.
21:41.34croxhoukime, I don't think I have this issue (on Linux)
21:43.50houkimehmmm... interesting. Will check bug reports on this when i have time.
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22:28.46houkimewwan pads. They are not in sch and from phs tech docs it seems like phs doesn't need then to have it's hspa.
22:31.23houkimewhy could they be there... hmmm. rechecking.
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22:37.27houkimeantenna connector is not yet placed, it is not even footprinted beyond 3 free pads. but wwan pads are.
22:39.53houkimeok seems like they should be the same thing
22:41.06houkimethough not clear what are real requirements on placement. Did metacollin place them in their final externally fixed place or not. hm.
22:53.24houkimeok, he locked their position so it means that this is final. ok.
22:54.08houkimeupdating references on antenna connector pads so that they are addressed by sch correctly.
22:57.57Joerg-Neo900antenna connectors are C-springs
22:58.54Joerg-Neo900we have no particular type for those yet, afaik. Except the ones used in N900
22:59.10Joerg-Neo900thus we have no datasheet for them either
22:59.36Joerg-Neo900feel free to find and suggest a spring component that matches
23:00.16Joerg-Neo900(disclaimer: IIRC)
23:00.52Joerg-Neo900it's starting to get a tad tough to keep *everytjing* in mind for such an extended period of inactive time
23:01.27houkimeyou source only cases+screens of N900 without other parts?
23:01.52houkime+keyboards
23:02.22Joerg-Neo900no, the plan is to source a number of other stuff too, like camera, C-springs maybe, don't know what else
23:02.58Joerg-Neo900and we actually source complete N900
23:03.09Joerg-Neo900you can't source displays
23:03.32Juestohows that
23:04.47houkimethen it is economical to use legacy c-springs unless they are proven by layout to be too big or have other problems.
23:05.20houkimehowever then there will probably be no datasheet which is sad.
23:06.12Joerg-Neo900C-springs are such a silly simple component we didn't give much worries to them
23:06.49Joerg-Neo900footprint is pretty much arbitrary rectangular pad, no matter which type of C-spring
23:08.50Joerg-Neo900Juesto: I don't know how's that, I just know we found it a fact
23:08.59Juestooh :/
23:09.06houkimeok.
23:12.53houkimeIs there info on their required placement spots? FM pad seems hanging over the edge not sure if this is nice.
23:19.11Joerg-Neo900this is not intentional
23:19.35Joerg-Neo900there are placement infos in werner's 2.5D-scans
23:19.56houkimeok
23:20.56Joerg-Neo900also v1 been meant as mechanical proof and placement of C-sprinfs been one aspect iirc. So for all placement V1 is authoritative
23:21.41houkimeok
23:23.18Joerg-Neo900http://neo900.org/stuff/werner/springs/  http://neo900.org/stuff/werner/stacking/
23:23.43Joerg-Neo900http://neo900.org/stuff/werner/scans/
23:27.02Joerg-Neo900>>Springs are indicated by rounded rectangles or circles, the location where they touch (e.g., pad, shield, or similar) by a regular rectangle. <<
23:27.26Joerg-Neo900>>Red indicates antenna connections.<<
23:30.36Joerg-Neo900https://neo900.org/stuff/Gallery-N900-exploded/platine_02.jpeg
23:34.06Joerg-Neo900houkime: http://neo900.org/resources is _always_ worth an hour of just skimming through the provided stuff
23:34.30Joerg-Neo900basically _this_ is our main page
23:35.35houkimeok
23:36.31Joerg-Neo900houkime: then, when you found this teasing, you may go on skimming through more unsorted random stuff at http://neo900.org/stuff/
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23:50.11houkimeyou want do a depressed sim bed, right?
23:50.19houkime*won't
23:52.10houkimelike a bed that is pushed into a pcb doing a pond/depression.
23:53.06houkime*making
23:55.51houkimechecked datasheet. no. ok
23:57.03houkimeso it means that legacy board is kind of thick.
23:58.35houkimeand ours are 8 mm bith.
23:58.43houkime*both
23:59.59houkime*0.8

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