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2013-07-30 14:37 <hellekin> hello! If you speak Spanish, especially if you're in Latin America, you might want to lurk at https://red.anillosur.net/g/hardware_libre_para_software_libre_free_hardware_for_free_software
2013-07-30 14:37 <hellekin> the group was started after a proposal was made to politicians in Argentina to remove import taxes on electronics for free hardware+free software projects
2013-07-30 14:40 <kristianpaul> oh,hi hellekin
2013-07-30 14:40 <kristianpaul> just for floss hardware+software projects?
2013-07-30 14:55 <larsc> meanwhile in europe microsoft tries to outlaw free software because it does 'predatory pricing'
2013-07-30 14:56 <larsc> http://fsfe.org/activities/policy/eu/20130729.EC.Fairsearch.letter.en.html
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2013-07-30 15:28 <hellekin> kristianpaul: that's the proposal, now to see it moving up to the parliament is a matter of hmm... Luck?
2013-07-30 15:28 <hellekin> larsc: predatory pricing of free software eh? :]
2013-07-30 15:29 <larsc> you know because it's free
2013-07-30 15:51 <wpwrak> free is communism
2013-07-30 15:52 <kristianpaul> hehe
2013-07-30 15:52 <wpwrak> hellekin: lovely picture. was that taken before or after the war ?
2013-07-30 16:36 <hellekin> wpwrak: I can't see the dust very well, the picture is too small :)
2013-07-30 16:39 <wpwrak> did they already have dust back then ? :)
2013-07-30 16:56 <whitequark> talking about freedoms
2013-07-30 16:56 <whitequark> read this: http://translate.google.com/translate?sl=auto&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&u=http%3A%2F%2Flenta.ru%2Farticles%2F2013%2F07%2F30%2Fnobadwords%2F
2013-07-30 16:57 <whitequark> it's like they hired entire The Onion staff to write new legislature while high on meth
2013-07-30 16:57 <whitequark> and I'm not even exaggerating
2013-07-30 16:57 <whitequark> "The very Mizulina explained the audience that swear words - it is a way of interaction, based on the conflict, and at the heart of Russian society have always been love, kindness, tolerance and harmony. In the real world, she says, children shield of foul language, and just need to act on the web."
2013-07-30 16:58 <whitequark> "He said that the Russian language - it is a strategic factor of Russia's national security, because it forms the consciousness and subconsciousness of people. Consequently, the spread of obscene language must be treated as a national threat."
2013-07-30 17:00 <wpwrak> quick, arrest the foul language terrorists !
2013-07-30 17:01 <whitequark> yes, this is exactly how I expect it to be
2013-07-30 17:01 <wpwrak> and confiscate the radios, for they are weapons of mass destruction !
2013-07-30 17:01 <larsc> speak-crime
2013-07-30 17:28 <viric> anyone here knows much about grounding?
2013-07-30 17:29 <viric> a linux router, in the top of a mountain, with a wifi antenna, and a solar panel...
2013-07-30 17:29 <viric> would you add ground?
2013-07-30 17:31 <whitequark> no
2013-07-30 17:31 <viric> or, with a metal pole, would you simply attach the ethernet shield to it?
2013-07-30 17:31 <whitequark> oh, wait, ethernet
2013-07-30 17:32 <viric> :)
2013-07-30 17:32 <whitequark> (I expected some kind of mesh.)
2013-07-30 17:32 <whitequark> so you have shielded ethernet there?
2013-07-30 17:32 <whitequark> SUTP or how it's called
2013-07-30 17:32 <viric> well... imagine three small radio devices with linux, connected to a bigger router device.
2013-07-30 17:32 <viric> yes
2013-07-30 17:33 <viric> I *might* have it. I'm deciding.
2013-07-30 17:33 <viric> Some people choose not to use it, some do.... I think the best would be to use shielded ethernet.
2013-07-30 17:33 <whitequark> not sure in this case. ethernet itself is differential and galvanically isolated from the router.
2013-07-30 17:33 <whitequark> ethernet pairs that is
2013-07-30 17:34 <viric> but there can accumulate big amounts of static electricity
2013-07-30 17:34 <viric> (due to isolation)
2013-07-30 17:34 <viric> no?
2013-07-30 17:34 <whitequark> ask wpwrak :)
2013-07-30 17:34 <viric> wpwrak: ! :)
2013-07-30 17:38 <viric> whitequark: I wasn't sure about the isolation in ethernet. then it even makes more sense to use shielded ethernet
2013-07-30 17:39 <whitequark> well, in the router, the shield of the socket will be connected to the internal router ground
2013-07-30 17:39 <whitequark> I'm not sure if the ethernet plug somehow connects the shields
2013-07-30 17:39 <whitequark> never really used SUTP
2013-07-30 17:39 <viric> ok
2013-07-30 17:39 <viric> so you think that in some cases SUTP can be *bad*?
2013-07-30 17:39 <whitequark> I'd imagine if it did, that would lead to nasty ground loops
2013-07-30 17:39 <whitequark> so it probably doesn't
2013-07-30 17:40 <whitequark> but better ask someone who knows for sure
2013-07-30 17:49 <viric> does russian have the same word for earth ground and circuit ground?
2013-07-30 17:49 <viric> namely, 'ground'?
2013-07-30 17:49 <wpwrak> if you can have big potential differences, grounding the device sounds like a good idea to me. of course, that means that you then build the potential between the source of the difference and the device's ground vs. between device and ethernet.
2013-07-30 17:50 <viric> here we say, respectively, terra i massa.
2013-07-30 17:50 <viric> wpwrak: storms can cause big potentials on ungrounded devices, no?
2013-07-30 17:50 <wpwrak> but maybe a real EE, like DocScrutinizer05 could shed some light on such questions :)
2013-07-30 17:50 * DocScrutinizer05 burps
2013-07-30 17:51 <wpwrak> in general, i'd say that grounding can't make things worse, but it may expose flaws more quickly
2013-07-30 17:51 <DocScrutinizer05> sorry, busy with PHP + SQL debugging
2013-07-30 17:51 <viric> fair.
2013-07-30 17:51 <viric> poor DocScrutinizer05
2013-07-30 17:51 <DocScrutinizer05> :nod:
2013-07-30 17:52 <wpwrak> viric: are we talking about lightning protection ? :)
2013-07-30 17:52 <viric> I don't mean to resist lightning right on the device
2013-07-30 17:52 <viric> :)
2013-07-30 17:52 <viric> I mean that an isolated part of the circuit (ground, shield), when there is a storm, can act as a big capacitor vs earth.
2013-07-30 17:53 <viric> lightning happens because there is a big tension between earth and clouds.
2013-07-30 17:53 <viric> A middle isolated device is likely to suffer from that electric field
2013-07-30 17:54 <viric> well, that's my picture. It may be wrong enough. :)
2013-07-30 17:56 <wpwrak> if you get a lightning discharge into the device, you're probably happy that you made that ground connection. well, unless you used the piping as "ground", because that one can have a reasonably high Z path to earth, which means that the discharge electrifies your piping system ;-)
2013-07-30 17:57 <wpwrak> it works especially well if you have plastic pipes but metal faucets :)
2013-07-30 17:57 <wpwrak> but i don't really know about general precautions
2013-07-30 17:58 <viric> well, one thing is home, where you have a ready ground connection
2013-07-30 17:58 <viric> another thing is a device alone in the top of a mountain
2013-07-30 17:58 <viric> do you think tv antenna poles are grounded?
2013-07-30 17:59 <wpwrak> as i said, i think a bit of grounding can't hurt. but you have to make sure the devices involved are properly built. if they have high potentials at weird places and aren't (mis-)designed to survive that, then grounding can kill them.
2013-07-30 17:59 <viric> aha
2013-07-30 17:59 <viric> for example, adsl routers have no kind of grounding
2013-07-30 17:59 <viric> usual home adsl routers
2013-07-30 18:00 <wpwrak> for example, i had a wall wart that passed a bit too much current from the primary side through its capacitative coupling and a device that had no suitable overvoltage protection. grounding it killed it.
2013-07-30 18:01 <wpwrak> you're not really expected to have strong fields in your home :)
2013-07-30 18:01 <viric> hehe
2013-07-30 18:02 <viric> I know, but I wondered if I could put one of such boards in a box on a mountain
2013-07-30 18:02 <wpwrak> i don't quite understand the rules for grounding RF antennas. some are some aren't. RF is magic :)
2013-07-30 18:03 <wpwrak> for example, one end of the atben/atusb antenna connects directly to (circuit) ground
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2013-07-30 18:10 <viric> ok
2013-07-30 18:11 <viric> I should know about that...
2013-07-30 18:11 <viric> but my university studies didn't help me join theory and practice
2013-07-30 18:14 <whitequark> wpwrak: (grounding) I'm pretty sure that if lightning strikes your wifi router, it (and everything connected to it) is dead either way
2013-07-30 18:14 <whitequark> several feeble mm2 of grounding wires won't stand that, no?
2013-07-30 18:15 <whitequark> viric: (russian word) yes, "earth" and "ground" are the same word.
2013-07-30 18:16 <viric> well, lightning can break a device due to heat, sound wave, or electric field.
2013-07-30 18:16 <viric> If properly grounded, you avoid the electric field part
2013-07-30 18:16 <whitequark> all of the above :)
2013-07-30 18:16 <whitequark> viric: are you sure?
2013-07-30 18:17 <whitequark> btw, talking about russian words
2013-07-30 18:17 <whitequark> "massa" is used too, but I only heard it in automotive context
2013-07-30 18:17 <viric> well, that's what grounding is for, no? avoiding electric fields.
2013-07-30 18:17 <viric> whitequark: ah ok.
2013-07-30 18:17 <viric> ah you mean Felipe Massa
2013-07-30 18:17 <viric> :)
2013-07-30 18:19 <viric> Massa in catalan means, among others, 'mass' in English. I think it has the role of "inertia", in a circuit.
2013-07-30 18:19 <viric> The unmovable, the reference, ...
2013-07-30 18:20 <whitequark> sure, russian "масса"
2013-07-30 18:20 <whitequark> transliterated as "massa", translated as "mass"
2013-07-30 18:20 <larsc> in german we call electrical ground "mass" too
2013-07-30 18:20 <whitequark> I think there's a certain word for "circuit ground"
2013-07-30 18:20 <viric> Unrelated, it also means "too much", and "mace". :)
2013-07-30 18:21 <viric> well, maybe in "mace", it also has the sense of "big mass with a lot of inertia"
2013-07-30 18:21 <whitequark> yeah, that's "ground" (meaning "earth ground") and "signal ground".
2013-07-30 18:21 <viric> larsc: and earth ground?
2013-07-30 18:22 <larsc> 'earth'
2013-07-30 18:22 <viric> like the planet?
2013-07-30 18:22 <larsc> grounded would be 'earthed' if translated literally
2013-07-30 18:22 <viric> ok
2013-07-30 18:23 <larsc> but ground can be both 'mass' or 'earth', but usually it's mass
2013-07-30 18:23 <whitequark> linguistic evenings on #qi-hw :)
2013-07-30 18:23 <viric> hehe
2013-07-30 18:24 <viric> here, if someone on a circuit mixes the words "earth" and "mass", it sounds quite ridiculous.
2013-07-30 18:24 <viric> mixing, in the sense of not using them right
2013-07-30 18:24 <viric> well, electronics had its own evolution everywhere, so there go interesting words. :)
2013-07-30 18:25 <viric> specially as most ideas come from allegories from other previously known phenomena.
2013-07-30 18:27 <larsc> ah, so mass doesn't have to be ground
2013-07-30 18:27 <larsc> but usually is
2013-07-30 18:27 <viric> For example, in Spanish they use the word хлыст for short ethernet cables.
2013-07-30 18:28 <viric> I don't know what can that be in English
2013-07-30 18:28 <viric> small whip.
2013-07-30 18:29 <viric> larsc: usually mass is earth ground? I wouldn't say so.
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2013-07-30 18:30 <larsc> why not?
2013-07-30 18:30 <viric> in my region, also, the popular word for computer mouse isn't 'mouse', but 'rat'. крыса.   People from other regions find that funny.
2013-07-30 18:31 <viric> larsc: there are three cables in your power sockets. Not two. :)
2013-07-30 18:31 <viric> if it was usual to join any of them, it would be troublesome.
2013-07-30 18:31 <larsc> but that's AC
2013-07-30 18:31 <viric> righ.t
2013-07-30 18:32 <viric> I don't remember any case where a DC circuit has GND connected to EARTH.
2013-07-30 18:32 <whitequark> viric: (rat) in russia too
2013-07-30 18:32 <whitequark> though it's somewhat humorous
2013-07-30 18:36 <larsc> the german word for mobile phone is Handy, written and pronounced like the english handy
2013-07-30 18:40 <viric> here the italian 'telefonino' sounds fun
2013-07-30 18:43 <whitequark> larsc: suppose I want to learn german. any advice? :)
2013-07-30 18:44 <whitequark> (for fun, and because it's one of the most widespread languages. but mainly for fun)
2013-07-30 18:44 <biot> whitequark: zweitenhundenstoffenteufel!
2013-07-30 18:44 <whitequark> biot: that's like honey for my ears! :D
2013-07-30 18:44 <biot> how is that fun!
2013-07-30 18:44 <larsc> whitequark: no. never had to learn it as a second language ;)
2013-07-30 18:45 <whitequark> biot: I like how it sounds. A lot.
2013-07-30 18:45 <larsc> it's not a real word though
2013-07-30 18:45 <biot> it's probably a very useful language to know for when you stub your toe
2013-07-30 18:45 <whitequark> larsc: ha. my current best guess is to learn the basics, and then set up de.wikipedia by default instead of en.wikipedia
2013-07-30 18:45 <biot> same with russian
2013-07-30 18:46 <larsc> whitequark: watch movies in german
2013-07-30 18:47 <larsc> or read german novels
2013-07-30 18:47 <whitequark> larsc: well, that's what I do with English (movies)
2013-07-30 18:47 <whitequark> but the good thing with English is, it's easily to motivate yourself to watch them, because translations are usually really, really horrible
2013-07-30 18:47 <biot> I always made my daughter watch movies in english when she was a toddler
2013-07-30 18:48 <biot> and when she was older, she only got subtitles on a special occasion
2013-07-30 18:48 <biot> as a result, her english is really great now, she really grew up with it
2013-07-30 18:49 <whitequark> biot: I'm mostly reading english stuff for about four years at this moment, worked really well too
2013-07-30 18:49 <whitequark> you don't have to be a toddler :)
2013-07-30 18:49 <viric> one thing that makes english more comfortable is that you know some english
2013-07-30 18:50 <whitequark> hm?
2013-07-30 18:50 <viric> (watching movies, etc.)
2013-07-30 18:51 <viric> I mean it's harder to start something. :) I guess you already knew some english when you were conscious about deciding to learn it
2013-07-30 18:51 <whitequark> oh
2013-07-30 18:51 <whitequark> yeah, I started it by reading manuals for Borland C++ Builder at... I think 8? 9? something around that
2013-07-30 18:52 <whitequark> I've no idea how it is even possible to learn a language that way
2013-07-30 18:52 <larsc> english was the on subject in school I almost failed
2013-07-30 18:52 <larsc> the one
2013-07-30 18:52 <larsc> always a 4 minus minus
2013-07-30 18:53 <whitequark> and the "perfect" is... 1?
2013-07-30 18:53 <larsc> if you get a 5 you have to repeat a year
2013-07-30 18:53 <larsc> yes 1 is the best grade, 6 the worst
2013-07-30 18:53 <whitequark> right
2013-07-30 18:53 <whitequark> there were anecdoes about grading in russia and germany
2013-07-30 18:54 <whitequark> because in russia, 5 is the best and 2 is the worst
2013-07-30 18:54 <larsc> I know, it's kind of the reverse
2013-07-30 18:54 <whitequark> and 1 is something you'd have to try hard to achieve
2013-07-30 18:54 <larsc> so when people from russia come here it's always a bit confusing
2013-07-30 18:55 <larsc> to be honest I don't know why there is is 5 and 6 here, if you get either of them you've failed
2013-07-30 18:56 <whitequark> and americans have ABCDEF to make things even more confusing
2013-07-30 18:56 <larsc> well A is 1, F is 6
2013-07-30 18:57 <whitequark> still ambiguous :D
2013-07-30 18:58 <whitequark> and I think they have percentage system in Japan. 0-100%
2013-07-30 18:58 <whitequark> which probably makes the most sense
2013-07-30 18:59 <larsc> but also more complicated
2013-07-30 19:00 <whitequark> is it?
2013-07-30 19:00 <larsc> so many different numbers
2013-07-30 19:00 <larsc> but maybe it is also more fair
2013-07-30 19:01 <larsc> there is a fixed mapping between your grade and the percentage you get right on a test
2013-07-30 19:01 <larsc> e.g. 1 = >= 90%
2013-07-30 19:02 <larsc> so somebody with 90% percent gets a 1 and somebody with 89% a 2
2013-07-30 19:03 <larsc> considering that there are only 4 grades for which you pass this means a 2 is only worth 25% of a 1
2013-07-30 19:05 <larsc> so e.g. if somebody gets 90%,90%,90% he gets a much better grade then somebody who gets 89%,89%,100%
2013-07-30 19:06 <whitequark> isn't it rounded?
2013-07-30 19:06 <whitequark> oh, it isn't
2013-07-30 19:06 <whitequark> I think I read something about american system where it is rounded
2013-07-30 19:07 <whitequark> though that's still unfair: it just shifts the bounds
2013-07-30 19:08 <larsc> the final grades are not rounded
2013-07-30 19:08 <larsc> you get a plain integer number
2013-07-30 19:08 <larsc> so the first person would get a 1, the second a 2
2013-07-30 19:09 <larsc> even though on average he scored higher
2013-07-30 19:13 <larsc> how do you round in the U.S. though? Do you get a B.F?
2013-07-30 19:18 <viric> here 10 is best, 0 is worst
2013-07-30 19:18 <viric> no letters. :)
2013-07-30 19:19 <viric> often with one decimal place even
2013-07-30 19:19 <whitequark> 0-9?
2013-07-30 19:20 <larsc> speaking of point systems. If you do a traffic violation you here get points, once you have enough you get your drivers license taken away
2013-07-30 19:21 <larsc> I've heard that in other countries it is the opposite. You start with a certain amount of points and then get them taken away for each violation
2013-07-30 19:22 <larsc> and they say from a phychological point of few such a system is better, because you loose points instead of earning them
2013-07-30 19:22 <larsc> point of view
2013-07-30 19:23 <larsc> well and psychological
2013-07-30 19:33 <wpwrak> that isn't the opposite. the opposite would be that, once you've amassed enough violations, you get the permit ;-)
2013-07-30 19:33 <wpwrak> (i think that's how it works around here)
2013-07-30 19:34 * kristianpaul 'sdriver license have no expiration date
2013-07-30 19:34 <whitequark> "driver license" at qi-hw is *really* ambiguous :D
2013-07-30 19:35 <kristianpaul> well :)
2013-07-30 19:36 <larsc> drivers licenses don't have an expiration date here either
2013-07-30 19:36 <larsc> people have sill their old paper licenses from the 60ties
2013-07-30 19:36 <wpwrak> kristianpaul: if the streets are sufficiently dangerous, expiration is implicit :)
2013-07-30 19:36 <kristianpaul> lol
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2013-07-30 19:37 <larsc> whitequark: the license is still valid you may not be able exercise your right to drive though
2013-07-30 19:37 <larsc> wpwrak:
2013-07-30 19:38 <kristianpaul> and here you just pay for the violations, unless is something more serious guess vehicle get confiscate and you go jail
2013-07-30 19:38 <wpwrak> larsc: that reminds me of "in russia, everything is forbidden - even if it's allowed"
2013-07-30 19:39 <kristianpaul> points will be interesting to check the scores between provinces :p
2013-07-30 19:40 <larsc> kristianpaul: you have to always pay a fine here too
2013-07-30 19:40 <larsc> but may get some points in addition
2013-07-30 19:40 <wpwrak> kristianpaul: (penalty) in germany, they tie you behind your cars and drive up and down the street
2013-07-30 19:40 <wpwrak> s/cars/car/
2013-07-30 19:40 <kristianpaul> but here most people never pay xD
2013-07-30 19:40 <qi-bot> wpwrak meant: "kristianpaul: (penalty) in germany, they tie you behind your car and drive up and down the street"
2013-07-30 19:40 <wpwrak> wow, qi-bot is really fast :)
2013-07-30 19:40 <kristianpaul> even when the disccount arrives at the end of the year and so on
2013-07-30 19:41 <larsc> kristianpaul: discount? Pay 10 speeding tickets get one for free?
2013-07-30 19:41 <kristianpaul> wpwrak: car drivers are danger, i avoid then all day when get to the city
2013-07-30 19:42 <kristianpaul> larsc: percent disccount, 50% or even more
2013-07-30 19:42 <viric> larsc: we have 10 points at start, in driving license. By not getting punished, they can 'grow' until 12. On punishment, you lose some points.
2013-07-30 19:44 <larsc> viric: yea, that sounds like the better scheme
2013-07-30 19:44 <viric> there is some black market of points
2013-07-30 19:45 <viric> I'm not sure how it works...
2013-07-30 19:45 <larsc> here too
2013-07-30 19:45 <larsc> you just say you drove the car that day
2013-07-30 19:45 <viric> I think that when you get a fine, some people sell their points (claim they were driving) or so
2013-07-30 19:45 <viric> aha
2013-07-30 19:45 <larsc> e.g. if you cross a red light or something
2013-07-30 19:46 <larsc> they usually take photos of the driver and the license plate though
2013-07-30 19:51 <viric> also the driver? hm
2013-07-30 19:55 <larsc> yea
2013-07-30 19:55 <larsc> quality sucks though
2013-07-30 19:57 <larsc> so if the person looks kind of like it they'll believe you
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2013-07-30 23:17 <qi-bot> [commit] Werner Almesberger: tools/atrf-txrx/atrf-txrx.c: new option -q for quiet capture (buffer-frames) http://qi-hw.com/p/ben-wpan/d1b65cb
2013-07-30 23:17 <qi-bot> [commit] Werner Almesberger: atusb/fw/: add SPI block reception (buffer-frames) http://qi-hw.com/p/ben-wpan/7fd9044
2013-07-30 23:17 <qi-bot> [commit] Werner Almesberger: tools/lib/: aggressive polling for wait_for_interrupt, if timeout_ms = -1 (buffer-frames) http://qi-hw.com/p/ben-wpan/07b1da2
2013-07-30 23:17 <qi-bot> [commit] Werner Almesberger: tools/atrf-txrx/atrf-txrx.c: option -q becomes "quick" and uses aggressive polling (buffer-frames) http://qi-hw.com/p/ben-wpan/873f80c
2013-07-30 23:38 <wpwrak> argh. wrong branch :-(
2013-07-30 23:38 <qi-bot> [commit] Werner Almesberger: atusb/fw/mac.c: remove queued_rx; buffer frames in the MCU instead (master) http://qi-hw.com/p/ben-wpan/b73d5fc
2013-07-30 23:38 <qi-bot> [commit] Werner Almesberger: atusb/fw/mac.c (next_buf): dedicated function for incrementing buffer indices (master) http://qi-hw.com/p/ben-wpan/998ac7e
2013-07-30 23:38 <qi-bot> [commit] Werner Almesberger: atusb/fw/Makefile: improve size reporting (show segment sizes) (master) http://qi-hw.com/p/ben-wpan/0706773
2013-07-30 23:38 <wpwrak> well, may as well merge it then ..
2013-07-30 23:39 <qi-bot> [commit] Werner Almesberger: tools/atrf-txrx/atrf-txrx.c: new option -q for quiet capture (master) http://qi-hw.com/p/ben-wpan/d1b65cb
2013-07-30 23:39 <qi-bot> [commit] Werner Almesberger: atusb/fw/: add SPI block reception (master) http://qi-hw.com/p/ben-wpan/7fd9044
2013-07-30 23:39 <qi-bot> [commit] Werner Almesberger: tools/lib/: aggressive polling for wait_for_interrupt, if timeout_ms = -1 (master) http://qi-hw.com/p/ben-wpan/07b1da2
2013-07-30 23:39 <qi-bot> [commit] Werner Almesberger: tools/atrf-txrx/atrf-txrx.c: option -q becomes "quick" and uses aggressive polling (master) http://qi-hw.com/p/ben-wpan/873f80c
2013-07-30 23:39 <qi-bot> [commit] Werner Almesberger: Merge branch 'buffer-frames' (master) http://qi-hw.com/p/ben-wpan/08f4ac9
2013-07-30 23:40 <qi-bot> [commit] Werner Almesberger: atusb/fw/mac.c (RX_BUFS): increase buffer size from 2 to 3 frames (master) http://qi-hw.com/p/ben-wpan/bf067b3
2013-07-30 23:52 <wpwrak> hmm, is anyone here familiar with GUI development on small embedded systems ? the kind that run under contiki or freertos.
2013-07-30 23:53 <whitequark> sigh, contiki
2013-07-30 23:53 <whitequark> what are you interested in?
2013-07-30 23:56 <wpwrak> in the project i'm currently working on, they seem to be looking for someone who'd implement a gui. not entirely sure, though - the question wasn't very clearly phrased.
2013-07-30 23:56 <whitequark> oh, so it's more a hiring question
2013-07-30 23:56 <whitequark> no idea then.
2013-07-30 23:57 <wpwrak> the platform is freertos with a touch of contiki. stm32f32f2 microcontroller. quite reasonable critters, but unfortunately too weak for linux.
2013-07-30 23:57 <wpwrak> what gui libraries would you use ?
2013-07-30 23:57 <whitequark> haven't seen anything reasonable to be honest. so I would probably reinvent something.
2013-07-30 23:57 <wpwrak> the only one i know is mtk nee genode fx
2013-07-30 23:58 <wpwrak> heh ;-)
2013-07-30 23:58 <wpwrak> maybe i should just tell them to use linux :)
2013-07-30 23:58 <whitequark> it's a really small critter and everything I've seen so far was... let's say IC vendor quality
2013-07-30 23:58 <wpwrak> (not that i haven't said that a dozen times already :)
2013-07-30 23:58 <whitequark> ha
2013-07-30 23:58 <whitequark> that'll cost them, no?
2013-07-30 23:58 <whitequark> money and power
2013-07-30 23:59 <wpwrak> maybe 1-2 USD per device. and they don't seem to be overly concerned with power.
2013-07-30 23:59 <whitequark> stm32f2 is somewhere around $5, less if in bulk, and needs no external components except a crystal
2013-07-30 23:59 <wpwrak> seems that you can make a pretty decent linux system with an i.MX233, some SPI flash and an SDRAM chip