Topic for #qi-hardware is now Copyleft hardware - http://qi-hardware.com | hardware hackers join here to discuss Ben NanoNote, atben / atusb 802.15.4 wireless, and other community driven hw projects | public logging at http://en.qi-hardware.com/irclogs
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<wolfspraul> if anyone can handle heavy reads (and for the archives), here is a good TSMC earnings conf call transcript... http://www.tsmc.com/uploadfile/ir/quarterly/2012/2vyik/E/12Q2%20Conf%20Call-Transcript.pdf
<wolfspraul> 25 pages, but the usual solid quality from TSMC...
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<larsc> wpwrak: or the economical crisis has hit people from the qi-hardware community so hard that they can't afford internet access anymore.
<wpwrak> larsc: i thought of that, but then we would have heard them first complain about lack of food. i mean, you can go a few days or even weeks without eating, but without internet ? quite impossible. so they'd give up food first.
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<larsc> :)
* larsc complains about the lack of coffee and gets up to get some
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<kyak> yeah, i liked werner's twist in that e-mail :)
<whitequark> sigh
<whitequark> someone on a russian mailing list complains that Xburst1 CPU is slower than a P6 one
<whitequark> yeah, like, really. Xburst is a single-issue MIPS32 CPU without any L2 cache whatsoever, and P6 is superscalar, out-of-order microarch with speculative execution and huge fucking L2 cache
<whitequark> of course it is way faster.
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<wpwrak> whitequark: congratulate him on his research and encourage him to implement his conclusion, i.e., use a P6 ;-)
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<whitequark> wpwrak: nope, it was MY research
<whitequark> he is supposedly too stupid to open up Wikipedia, much less to, like, think with his brain.
<whitequark> and yes, already did
<wpwrak> well, his discovery then :)
* whitequark sometimes hates everyone
<wpwrak> who would have thought ;-)
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<kyak> overreacting is almost as bad as stupid e-mails :)
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<wpwrak> an interesting low-cost ISM spectrum analyzer, in the 2.4 GHz band also with signal generator: http://micro.arocholl.com/index.php?option=com_content&view=article&id=48&Itemid=62
<wpwrak> they're working on a wideband extension now: https://groups.google.com/forum/?fromgroups#!topic/rf-explorer/oxfBLNvfNGI
<wpwrak> unfortunately not open source or open hardware. but at least most of the serial protocol is documented.
<roh> wpwrak: well.. there is osmosdr...
<roh> and umtrx
<larsc> and <shameless-plug>FMCOMMS1</shameless-plug>
<larsc> although that's not so low-cost anyway
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<wpwrak> roh: osmosdr doesn't get to 2.5 GHz, does it ?
<wpwrak> roh: umtrx seems a bit bulky. no mention of the frequency range.
<roh> dunno (frq).. i thought 2.7
<roh> ah. no.. 1.4
<wpwrak> says that umtrx does 375 MHz - 4 GHz. if that's really what they mean. (and not just the specs of one part of many in the chain)
<wpwrak> seems bulky, though
<wpwrak> larsc: and yours needs a fair bit of extra hw, too
<larsc> one bit to be exactly ;)
<larsc> It is a modular solution, you have to have a FMC host board, but you can choose the host board according to your requirements
<kristianpaul> wpwrak: rtl-sdr can still go/hack to 2.2Ghz.. but i think you lost gain a lot
<wpwrak> larsc: yeah, but in the end you're probably in the USRP price range (~USD 2k for box plus RF board)
<wpwrak> kristianpaul: for the "2.4 GHz" band, you still need 350 MHz more ...
<wpwrak> well, or at least 300 MHZ, depending on which bits you're after
<kristianpaul> damn, i'm the only receiving a excessive bounces accoutn disabled from qi mailman?..
<kristianpaul> wpwrak: i'm after my rc plane remote control :)
<wpwrak> never had that :)
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<kristianpaul> hmm i had lost 3 weeks mails..
<kristianpaul> damn
<larsc> wpwrak: yea, as I said not really low-cost. But I think there will be a bundle of FMCOMMS + ZYNQ baseboard for about 1k USD soon
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<wpwrak> larsc: USD 1k sounds nice. you'd beat the USRP+SBX at that price point and you have more bandwidth.
<larsc> and we even have video out on the board
<wpwrak> grmbl. and now i need to figure out how to mill a piece of plastic from both sides. capacitative touch sensors are finicky. the price to pay for low BOM cost and no mechanical wear ...
<larsc> that's running on the target system
<wpwrak> now we know what you've been doing lately :)
<wpwrak> does the critter work with gnuradio ?
<larsc> not yet
<larsc> it's on the nice to have feature list
<larsc> it should be a matter of implementing a IIO backend for gnuradio
<wpwrak> and, and the scope comes with source. very nice !
<larsc> wpwrak: everything comes with source
<wpwrak> yeah, gnuradio is a bit the lingua franca for everything SDR
<wpwrak> with that attitude, analog should also make SoC (with GPU), FPGAs, and WLAN chips ;-)
<wpwrak> the world would be considerably easier :)
<larsc> we'll see ;)
<larsc> the chips on the board are obviously not opensource
<wpwrak> but with available data sheets ?
<larsc> yes
<larsc> and linux drivers
<wpwrak> you're seriously trying to kill the job market for reverse engineers, aren't you ? :)
<larsc> well market demands kind of drives this
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<larsc> being 'open' is a competitive advantage
<viric> what board?
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<viric> we have a bitscope oscilloscope here... it works enough for our needs, and it felt like helping those who provide schematics.
<wpwrak> larsc: i wish more companies would see it like this. especially in the aforementioned sectors.
<wpwrak> btw, speaking of socs, i hear that allwinner is very liked in certain open source circles. yes they don't seem to have any public data sheets for their chips. does anyone know more ?
<wpwrak> e.g., was i just too stupid to find them ? are there there but in chinese ? have they been "leaked" and everyone has a copy but not officially ? or did i just get all this wrong ?
<kristianpaul> gnuradio blocks should be sinthesized on the fpga as well
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<wolfspraul> ahh :-)
<wolfspraul> is that real? they force lars to add a small but significant extra line into the middle of an otherwise unsuspicious 'bsd style' license?
<wolfspraul> "Use of the software either in source or binary form, must be run on or directly connected to an Analog Devices Inc. component"
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<wolfspraul> good morning everybody
<wolfspraul> and that's for a 1500 line sample app
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<pabs3> weird requirement
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<wolfspraul> not too unusual, it's just sad to see the entire circumstances with this being a small sample app, certainly this extra line was not lars idea, analog does not gain anything from it, etc.
<wolfspraul> free software obviously would have gone nowhere if everybody who managed to hack up a 1500 line sample app would have also spend the time to think about extra clauses like this one to make 'their' thing special and keep it connected to 'their' stuff
<wolfspraul> so then :-) it's probably still best for lars to not waste his time in turn to 'convinve' anybody inside analog, better just ignore and keep working
<wolfspraul> convince
<wolfspraul> but naturally this piece of coding is trapware
* pabs3 misses some context
<wolfspraul> piece of code, arg
<wolfspraul> the oscilloscope stuff lars published
<wolfspraul> great to see him publish on analog.com now :-)
<wolfspraul> also it's not nice imho to hide this kind of restriction in the middle of a bsd license
<wolfspraul> not many people like me read the fine print to the last tiniest line (where in real life all the good stuff is - OF COURSE :-))
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<DocScrutinizer05> hey, anybody over at TPE? All well with all our friends who live there?
<wolfspraul> I think so :-)
<wolfspraul> the flooding tends to get worse in the news as well
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<wolfspraul> what's the future of Qt without Nokia?
<mth> not sure, but the future of Qt inside Nokia seems to be non-existent, so going on outside is probably better