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| 03:13.30 | *** topic/#qi-hardware is 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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| 08:26.45 | larsc | wpwrak: or the economical crisis has hit people from the qi-hardware community so hard that they can't afford internet access anymore. |
| 08:34.55 | 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. |
| 08:35.50 | larsc | :) |
| 08:36.29 | larsc | complains about the lack of coffee and gets up to get some |
| 08:48.23 | kyak | yeah, i liked werner's twist in that e-mail :) |
| 08:53.04 | whitequark | sigh |
| 08:53.21 | whitequark | someone on a russian mailing list complains that Xburst1 CPU is slower than a P6 one |
| 08:54.17 | 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 |
| 08:54.23 | whitequark | of course it is way faster. |
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| 09:02.54 | wpwrak | whitequark: congratulate him on his research and encourage him to implement his conclusion, i.e., use a P6 ;-) |
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| 09:03.21 | whitequark | wpwrak: nope, it was MY research |
| 09:03.37 | whitequark | he is supposedly too stupid to open up Wikipedia, much less to, like, think with his brain. |
| 09:03.40 | whitequark | and yes, already did |
| 09:04.06 | wpwrak | well, his discovery then :) |
| 09:04.10 | whitequark | sometimes hates everyone |
| 09:05.30 | wpwrak | who would have thought ;-) |
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| 09:27.16 | kyak | overreacting is almost as bad as stupid e-mails :) |
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| 11:11.48 | 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 |
| 11:12.11 | wpwrak | they're working on a wideband extension now: https://groups.google.com/forum/?fromgroups#!topic/rf-explorer/oxfBLNvfNGI |
| 11:14.38 | wpwrak | unfortunately not open source or open hardware. but at least most of the serial protocol is documented. |
| 11:21.48 | roh | wpwrak: well.. there is osmosdr... |
| 11:21.59 | roh | and umtrx |
| 11:37.33 | larsc | and <shameless-plug>FMCOMMS1</shameless-plug> |
| 11:37.54 | larsc | although that's not so low-cost anyway |
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| 13:04.41 | wpwrak | roh: osmosdr doesn't get to 2.5 GHz, does it ? |
| 13:08.01 | wpwrak | roh: umtrx seems a bit bulky. no mention of the frequency range. |
| 13:10.04 | roh | dunno (frq).. i thought 2.7 |
| 13:10.41 | roh | ah. no.. 1.4 |
| 13:12.14 | wpwrak | hmm, http://www.hack4fun.eu/2012/03/umtrx-open-source-hardware-transceiver-for-gsm/ |
| 13:12.53 | 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) |
| 13:13.30 | wpwrak | seems bulky, though |
| 13:13.55 | wpwrak | larsc: and yours needs a fair bit of extra hw, too |
| 13:15.46 | larsc | one bit to be exactly ;) |
| 13:33.59 | 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 |
| 13:40.27 | kristianpaul | wpwrak: rtl-sdr can still go/hack to 2.2Ghz.. but i think you lost gain a lot |
| 13:42.51 | wpwrak | larsc: yeah, but in the end you're probably in the USRP price range (~USD 2k for box plus RF board) |
| 13:44.01 | wpwrak | kristianpaul: for the "2.4 GHz" band, you still need 350 MHz more ... |
| 13:45.21 | wpwrak | well, or at least 300 MHZ, depending on which bits you're after |
| 13:45.29 | kristianpaul | damn, i'm the only receiving a excessive bounces accoutn disabled from qi mailman?.. |
| 13:45.45 | kristianpaul | wpwrak: i'm after my rc plane remote control :) |
| 13:45.48 | wpwrak | never had that :) |
| 13:49.26 | kristianpaul | hmm i had lost 3 weeks mails.. |
| 13:49.27 | kristianpaul | damn |
| 13:51.59 | 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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| 14:09.46 | wpwrak | larsc: USD 1k sounds nice. you'd beat the USRP+SBX at that price point and you have more bandwidth. |
| 14:11.31 | larsc | and we even have video out on the board |
| 14:12.12 | 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 ... |
| 14:12.34 | larsc | wpwrak: http://wiki.analog.com/resources/tools-software/linux-software/iio_oscilloscope |
| 14:13.05 | larsc | that's running on the target system |
| 14:13.35 | wpwrak | now we know what you've been doing lately :) |
| 14:13.53 | wpwrak | does the critter work with gnuradio ? |
| 14:13.58 | larsc | not yet |
| 14:14.12 | larsc | it's on the nice to have feature list |
| 14:15.08 | larsc | it should be a matter of implementing a IIO backend for gnuradio |
| 14:15.10 | wpwrak | and, and the scope comes with source. very nice ! |
| 14:15.27 | larsc | wpwrak: everything comes with source |
| 14:15.33 | wpwrak | yeah, gnuradio is a bit the lingua franca for everything SDR |
| 14:16.26 | wpwrak | with that attitude, analog should also make SoC (with GPU), FPGAs, and WLAN chips ;-) |
| 14:16.34 | wpwrak | the world would be considerably easier :) |
| 14:17.08 | larsc | we'll see ;) |
| 14:17.37 | larsc | the chips on the board are obviously not opensource |
| 14:21.22 | wpwrak | but with available data sheets ? |
| 14:22.05 | larsc | yes |
| 14:22.20 | larsc | and linux drivers |
| 14:23.03 | wpwrak | you're seriously trying to kill the job market for reverse engineers, aren't you ? :) |
| 14:25.26 | larsc | well market demands kind of drives this |
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| 14:26.18 | larsc | being 'open' is a competitive advantage |
| 14:27.03 | viric | what board? |
| 14:27.37 | larsc | http://wiki.analog.com/resources/fpga/xilinx/fmc/ad-fmcomms1-ebz |
| 14:28.10 | viric | we have a bitscope oscilloscope here... it works enough for our needs, and it felt like helping those who provide schematics. |
| 14:28.35 | wpwrak | larsc: i wish more companies would see it like this. especially in the aforementioned sectors. |
| 14:29.30 | 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 ? |
| 14:30.20 | 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 ? |
| 14:38.05 | kristianpaul | gnuradio blocks should be sinthesized on the fpga as well |
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| 22:51.39 | wolfspraul | ahh :-) |
| 22:52.11 | 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? |
| 22:52.35 | wolfspraul | "Use of the software either in source or binary form, must be run on or directly connected to an Analog Devices Inc. component" |
| 22:52.47 | wolfspraul | good morning everybody |
| 22:53.23 | wolfspraul | and that's for a 1500 line sample app |
| 22:54.44 | pabs3 | weird requirement |
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| 22:55.51 | 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. |
| 22:56.28 | 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 |
| 22:57.01 | 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 |
| 22:57.07 | wolfspraul | convince |
| 22:57.16 | wolfspraul | but naturally this piece of coding is trapware |
| 22:57.19 | pabs3 | misses some context |
| 22:57.22 | wolfspraul | piece of code, arg |
| 22:57.43 | wolfspraul | the oscilloscope stuff lars published |
| 22:57.48 | wolfspraul | great to see him publish on analog.com now :-) |
| 22:58.12 | wolfspraul | http://wiki.analog.com/resources/tools-software/linux-software/iio_oscilloscope |
| 22:58.34 | wolfspraul | also it's not nice imho to hide this kind of restriction in the middle of a bsd license |
| 22:59.13 | 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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| 23:31.59 | DocScrutinizer05 | hey, anybody over at TPE? All well with all our friends who live there? |
| 23:47.18 | wolfspraul | I think so :-) |
| 23:47.32 | wolfspraul | the flooding tends to get worse in the news as well |
| 23:51.34 | wolfspraul | what's the future of Qt without Nokia? |
| 23:55.29 | mth | not sure, but the future of Qt inside Nokia seems to be non-existent, so going on outside is probably better |