DocScrutinizer05 changed the topic of #qi-hardware to: 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 and http://irclog.whitequark.org/qi-hardware
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<qi-bot> [commit] Werner Almesberger: ircstat/ML: update for 2/2013 (master) http://qi-hw.com/p/wernermisc/9d784c2
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<kyak> wow, they managed to fuck up wireless really bad in 3.8
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<wpwrak> oh ?
<kyak> starting from "capabilities/regulatory prevented using AP HT/VHT configuration, downgraded" and ending with "fail to flush all tx fifo queues"
<kyak> all kinds or weird messages, random deauth from AP, reboot helps and things like this
<kyak> i'm wondering, do they have quality control at all?
<kyak> like, some sort of regression testing at least?...
<kyak> i still remember how my trivial patch didn't pass their weird "patch submission system?:
<kyak> and still we see that other patches easily get in, and cause big problems
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<kyak> like, see, this one was supposed to fix some bug: https://patchwork.kernel.org/patch/2123681/
<kyak> it didn't take long before another fix for this fix had to be issued: http://comments.gmane.org/gmane.linux.kernel.wireless.general/104268
<kyak> "When the if statement is rewritten as 'if (A || B)', it turns out that A is
<kyak> true, and B is false."
<kyak> yeah, you have to teach kernel developers these things now :)
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<wpwrak> hmm :)
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<larsc> I'm innocent, I don't do wireless
<larsc> speaking of bugs, wpwrak, can I blame all the vfat corrution I get on you?
<wpwrak> only fat corruption :)
<kyak> --)
<kyak> wpwrak: btw, are there any plans do upgrade atusb do the latest kernel?
<kyak> for what i've tried, it compiles and loads on 3.7 and 3.8, but doesn't work
<kyak> and also kernel panics sometimes :)
<kyak> i've packaged the atusb module and lowpan-tools for arch linux, and it was not so hard (i had to push some config options in default kernel config for arch, which were not there)
<kyak> but the problem is that at the moment it's all for nothing -\
<wpwrak> yeah, i have that in my queue. actually to rewrite the driver and do more processing on the device itself (to avoid those expensive usb round-trips)
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<kyak> wpwrak: sounds great!
<kyak> wait a minute.. usb?
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<kyak> ah.. sorry :)
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<wpwrak> did you mean atben ?
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<whitequark> wpwrak: (cpld or small fpga between cpu and 8:10 card(s)) PSoC?
<larsc> still trying to pitch that one?
<whitequark> larsc: hm? I don't even own a board
<larsc> just kiding, but you seem to bring it up every now and then
<larsc> which I dont mind
<whitequark> well I did try to bring it up once
<whitequark> there was a neat kickstarter
<whitequark> then I noticed a windows-only IDE or so and became disgusted
<larsc> unrelated. btw. https://www.coursera.org/course/vlsicad just started
<wpwrak> whitequark: naw, too little cpld in these. and you don't need the core.
<larsc> might be interesting for some people in here
<wpwrak> larsc: i actually like the concept of psoc. and they got more open-friendly with time. but there are issues, too ...
<whitequark> well didn't they always have docs on bitstream?
<whitequark> but then xilinx also does that
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<wpwrak> psoc don't have a bitstream. they have (had ?) docs with all the registers. (that do the equivalent of the bitstream)
<wpwrak> and the issues i mean aren't so much about openness but more about tininess and the things that come with it
<roh> hm... ive seen those in the ebike controllers we use
<wpwrak> alas, they're a rather non-ideal candidate for joining forces among the downtrodden, because they also firmly believe in windows
<roh> yeah. there they are abused as a 3phase bldc brushless controller ,) thats about what one wants to do with em
<larsc> haha, "solving a 40 variables boolean equation with karnaugh maps takes 1,099,511,627,776 squares... there has to be a better way'
<wpwrak> it helps a lot if you already know the solution :)
<larsc> which makes you wonder why the hell they let you solve hundreds of kmaps in university by hand, yet they never have more than a handful of variables, which doesn't really have any practical applications
<wpwrak> well .. perhaps to understand the structure ?
<wpwrak> but yes, "hundred" seems a little excessive. i don't think i ever encountered more than perhaps "tens"
<larsc> I might be exaggerating
<larsc> but i met them in both CS and EE
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<wpwrak> the two tend to overlap :)
<larsc> wpwrak: it's a bit as if they thought you addition that only works for numbers between 1 and 99
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