| 00:18.30 | *** join/#edev rektide (i=rektide@voodoowarez.com) |
| 00:21.35 | *** join/#edev MonMotha (n=monmotha@cpe-65-29-71-209.indy.res.rr.com) |
| 00:28.42 | *** join/#edev prpplague (n=dave123_@ppp-70-249-153-7.dsl.rcsntx.swbell.net) |
| 00:48.51 | *** join/#edev rektide (i=rektide@voodoowarez.com) |
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| 01:17.12 | prpplague | ~seen g1powermac |
| 01:17.16 | purl | g1powermac <n=g1powerm@unaffiliated/g1powermac> was last seen on IRC in channel #edev, 96d 9h 22m 46s ago, saying: 'prpplague, you got us :-)'. |
| 01:18.21 | Mirell | Hmm...yah, he disappeared. |
| 01:19.05 | prpplague | Mirell hey bud |
| 01:19.11 | prpplague | Mirell seen landley around? |
| 01:19.39 | solar | rather. When was the last time you had coffee |
| 01:19.55 | Mirell | Yes, last week on Thursday. |
| 01:19.59 | solar | evening guys |
| 01:20.01 | Mirell | However, I had coffee earlier today. |
| 01:20.03 | prpplague | solar hey hey |
| 01:20.10 | prpplague | solar whats cookin in cali? |
| 01:20.37 | solar | not too much. Went camping for xmass. Did nothing for new years. |
| 01:20.55 | prpplague | Mirell any news on his google deal |
| 01:20.56 | prpplague | ? |
| 01:21.00 | prpplague | solar dandy |
| 01:21.21 | Mirell | prpplague: If he doesn't hear yea/nay on Wednesday, he's giving up on that |
| 01:21.36 | prpplague | Mirell bummer |
| 01:22.36 | prpplague | ho ho hum |
| 01:22.44 | solar | prpplague: I saw you were trying to get rid of a beagle + something extra? |
| 01:22.51 | solar | what was the extra hardware? |
| 01:23.02 | prpplague | solar beagle+trainer board |
| 01:23.14 | solar | whats the trainer.board ? |
| 01:23.34 | prpplague | http://www.elinux.org/BeagleBoard_Trainer |
| 01:23.54 | prpplague | pre-production unit |
| 01:25.01 | solar | ahh. I don't think the gentoo guys would be into that board all that much. |
| 01:25.25 | MonMotha | <3s 3D CAD modeling of circuit boards |
| 01:25.26 | solar | atmega32gp ? |
| 01:26.02 | solar | what role does that chip play on that board? |
| 01:26.27 | prpplague | solar basically it is an arduino connected to the beagle's uart |
| 01:27.23 | solar | kinda neat |
| 01:27.32 | *** join/#edev MonMotha (n=monmotha@cpe-65-29-71-209.indy.res.rr.com) |
| 01:27.47 | prpplague | solar probably retail for around $50 |
| 01:29.37 | solar | kinda cool to see tct releasing something at 5v |
| 01:29.47 | solar | robotguy would of been pleased |
| 01:30.02 | MonMotha | bah, I'm over 5V |
| 01:30.10 | MonMotha | even 3.3V is getting high |
| 01:30.23 | MonMotha | it's not something you easily get from 2xAA |
| 01:30.26 | solar | servos etc. But ya |
| 01:30.30 | MonMotha | 2.5 or 1.8V is where it's at |
| 01:31.03 | Mirell | Man |
| 01:31.06 | solar | avr came out with that cool chip that ran on a single AA about a year ago. I wanted to play with it but lost my motivation for avr stuff |
| 01:31.07 | Mirell | You people are all old school |
| 01:31.15 | Mirell | I go for cosmic background radiation for my energy supply. |
| 01:31.19 | MonMotha | heh |
| 01:31.21 | prpplague | MonMotha yea, problem is still alot of wired i/o that i need is still 3.3v |
| 01:31.32 | MonMotha | prpplague: 3.3V is acceptable in non-battery applications |
| 01:32.06 | MonMotha | though, at high speeds (couple hundred MHz), it gets to be impractical |
| 01:32.21 | MonMotha | well, I guess "several hundred MHz" |
| 01:32.45 | *** join/#edev kergoth (n=kergoth@ip24-251-170-95.ph.ph.cox.net) |
| 01:35.38 | prpplague | i've been tinkering with the idea for a CAN bus eval board that mates with the beagle |
| 01:37.43 | MonMotha | which MCU as host? |
| 01:38.01 | MonMotha | I could see that useful for in-car display of engine parameters |
| 01:38.17 | MonMotha | hum, does Linux have CAN support, now? |
| 01:41.34 | prpplague | MonMotha yea socketcan is now mainline |
| 01:42.19 | prpplague | MonMotha wish i had a pic to send you of my completed board |
| 01:42.38 | prpplague | MonMotha the omap3 would be connected via spi to the can bus |
| 01:42.41 | prpplague | controller |
| 01:44.18 | prpplague | MonMotha still trying to find a prius owner to beta test some stuff |
| 01:45.23 | solar | prpplague: calculus might be your best bet there |
| 01:47.36 | GPSFan | prpplague: I don't own one, but have a very good friend (also EE) who does.. |
| 01:47.52 | calculus | nope, my dad's prius model just before the one prpplague wants |
| 01:47.57 | prpplague | needs to be a 2006-2009 model |
| 01:48.07 | MonMotha | prpplague: sorry no Prius. Though I do have an ongoing project to dump a surplus 25HP motor into some form of automobile |
| 01:48.14 | roxfan | beagle doesn't have can controller? |
| 01:48.14 | calculus | I do have some friends with newer priuses |
| 01:48.15 | GPSFan | prpplague: he just got his in the fall |
| 01:48.22 | roxfan | *omap3 |
| 01:48.32 | calculus | although I am not sure what testing would be involved |
| 01:48.32 | prpplague | GPSFan oh? is it a 2009 or 2010 model? |
| 01:48.37 | roxfan | well, makes sense i guess... no need for that in mobile phones |
| 01:48.53 | prpplague | roxfan not the OMAP3 series |
| 01:49.06 | GPSFan | prpplague: not quite sure. I'll ask.... |
| 01:49.08 | prpplague | roxfan but TI recently announced the AM3517 series |
| 01:49.28 | prpplague | roxfan which is targeted at shall we say, vehicle based devices |
| 01:49.40 | roxfan | i see |
| 01:50.07 | prpplague | basically it is an omap3 but geared towards very specific automotive applications |
| 01:50.09 | MonMotha | in-car entertainment, I assume? |
| 01:50.30 | prpplague | http://focus.ti.com/docs/prod/folders/print/am3517.html |
| 01:50.31 | solar | MonMotha: DC motor or AC? |
| 01:50.38 | MonMotha | solar: 3phase AC |
| 01:50.43 | solar | good. |
| 01:50.50 | prpplague | MonMotha i got the impression it was for some military applications |
| 01:52.02 | GPSFan | prpplague: so a 2010 model is too new, 2009 is ok. it may take till tomorrow to find out. |
| 01:52.32 | prpplague | GPSFan yea, the 2010's have new display model, haven't been able to get my hands on one yet |
| 01:52.39 | MonMotha | solar: yes. I just need to build a large VFD |
| 01:52.46 | solar | MonMotha: evcomponents.com is one of the cheapest places that I've found for LiFePO4 batteries |
| 01:53.05 | MonMotha | and I'll probably also need a boost setup since I doubt I'll hit 340V on my battery stack |
| 01:53.16 | solar | some nice looking motors as well. |
| 01:53.37 | MonMotha | this is a decidely surplus motor, but it seems to be in decent shape, and the price was right |
| 01:54.06 | MonMotha | it spent its former life driving an air compressor for an auto body shop |
| 01:54.20 | MonMotha | but the bearings don't seem very worn, so I don't think it got much dust |
| 01:54.22 | prpplague | roxfan the cheapest am3517 evm right now is $1000 |
| 01:54.39 | GPSFan | prpplague: what would be involved in the tests you would want done? |
| 01:55.16 | prpplague | muhahaha |
| 01:55.27 | roxfan | lol, they use $ for "cache" on the block diagram |
| 01:55.53 | solar | MonMotha: seems more fitting for offroad. 25HP is a bit slow to aim to make a street legal automobile/car. |
| 01:56.03 | prpplague | GPSFan basically i'd like someone to install this omap3 based system into their prius |
| 01:56.03 | MonMotha | solar: I was only going to tool around town in it |
| 01:56.11 | MonMotha | don't need more than 40-50MPH |
| 01:56.26 | prpplague | MonMotha what kind of car are you putting it into? |
| 01:56.39 | MonMotha | prpplague: I had been thinking an old VW Rabbit |
| 01:56.40 | solar | if it goes faster then 20MPH and lacks pedals DMV is likely going to class it as an auto |
| 01:57.02 | prpplague | MonMotha ahh so you;ve not purchased anything yet? |
| 01:57.20 | solar | he has a 25HP 3 phase AC motor |
| 01:57.24 | MonMotha | prpplague: have not. The motor came up and was a good deal and local, so I nabbed it. I've looked into the power electronics, but I haven't gone much further |
| 01:57.35 | MonMotha | I think I paid $120 for the motor and no shipping |
| 01:57.37 | prpplague | MonMotha ahh |
| 01:57.51 | solar | nice |
| 01:58.00 | prpplague | MonMotha might i make a suggestion, look at a chevy aveo |
| 01:58.02 | MonMotha | at the time, the scrap value of the thing was higher :) |
| 01:58.10 | MonMotha | prpplague: hum, will do |
| 01:58.11 | prpplague | MonMotha some big advantages on using that |
| 01:58.30 | prpplague | MonMotha aveo was used as a test bed for the chevy volt |
| 01:58.34 | MonMotha | the mechanical and legal stuff is a bit out of my league, but the electronics are all something I can handle |
| 01:58.53 | MonMotha | I know a guy who's good at beating the BMV over the head, at least, so that helps |
| 01:59.01 | prpplague | MonMotha the power steering and brakes are electrical, not hyrdralic like standard cars |
| 01:59.03 | solar | a new 50HP@96v looks to run about 4300 |
| 01:59.07 | MonMotha | prpplague: ah, that helps |
| 01:59.35 | MonMotha | solar: I've been keeping my eyes open for something in the 50HP range, but I'm not willing to pay much, which also excludes things needing shipping |
| 01:59.46 | prpplague | MonMotha i researched doing a EV mod kit for it last year |
| 01:59.56 | prpplague | doing==creating one to sell |
| 02:00.12 | MonMotha | prpplague: neat |
| 02:00.18 | solar | fun stuff |
| 02:00.22 | prpplague | surprisingly the other vehicle that is decent for conversion is the chevy HHR |
| 02:00.28 | MonMotha | prpplague: yeah, electric power steering and brakes would help |
| 02:00.39 | prpplague | wishes he had a million dollars to tinker with stuff |
| 02:00.43 | MonMotha | no kidding |
| 02:00.58 | ZeZu | you and everyone else in here |
| 02:01.08 | ZeZu | I wouldn't be greedy i could use half of that |
| 02:01.08 | solar | I want more then 1mil :) |
| 02:01.24 | prpplague | who am i kidding, i'd waste it all on beer and the nudie bar |
| 02:01.35 | MonMotha | What gets me is the power levels involved in this. If my battery stack DC voltage to 240Vrms AC voltage conversion is 90% efficient (a rather lofty target, but likely attainable), you're still dissipating a couple kilowatts |
| 02:01.39 | solar | in one night! |
| 02:01.53 | FOM_zzz | seems there's investor money around for alternative energy stuff |
| 02:02.08 | MonMotha | FOM_zzz: not if you just want to play around with it |
| 02:02.17 | FOM_zzz | MonMotha: dunno |
| 02:02.18 | prpplague | FOM_zzz we are all nerds not VC marketing |
| 02:02.27 | solar | quite a bit out this way if you already have an idea/poc |
| 02:02.30 | MonMotha | despite there being some historical precedent for that producing results |
| 02:02.40 | MonMotha | albeit not reliably |
| 02:03.09 | FOM_zzz | was at a Nortech biomass event last month. Seems all this biomass/ethanol/solar stuff is about where electricty was in 1893- |
| 02:03.16 | prpplague | i say, look at any good engineering/techincal success and you find atleast one ruthless bastard sales person making it work |
| 02:03.56 | prpplague | problem is finding one you can half way trust |
| 02:04.22 | FOM_zzz | re: alternative energy- lots of folks out there doing demo plants, VC folks gingerly investing, trying to figure out where things are going, nobody having a clue about the future. Great opportunities :-) |
| 02:05.02 | MonMotha | solar: one nice thing about 25HP range is that I think I can get by without having to stack/parallel the power electronics in the VFD |
| 02:05.14 | MonMotha | IR makes some IGBTs that are just the right size |
| 02:05.34 | prpplague | FOM_zzz #edev has enough skills and creativity to do just about anything, problem is convincing someone to hand over a bunch of money for use to do it |
| 02:05.39 | MonMotha | I'll just have to water cool them :) |
| 02:05.43 | FOM_zzz | MonMotha: 25HP not particularly big for VFD these days, but is the motor "VFD ready"? |
| 02:05.52 | MonMotha | FOM_zzz: in what regard? |
| 02:06.01 | FOM_zzz | MonMotha: insulation... |
| 02:06.04 | MonMotha | no, 25HP isn't an overly huge VFD, but I'm makign it myself :) |
| 02:06.19 | MonMotha | FOM_zzz: dunno. It was a surplus motor :) I was planning on keeping the harmonics to a reasonable level |
| 02:06.27 | MonMotha | SPWM outputs are usually pretty decent looking |
| 02:06.33 | *** join/#edev rektide (i=rektide@voodoowarez.com) |
| 02:06.53 | FOM_zzz | MonMotha: dunno, guess you'll find out when she arcs over =:-/ |
| 02:07.04 | prpplague | MonMotha http://www.blogcdn.com/www.autoblog.com/media/2006/08/2007-chevy-aveo.jpg |
| 02:07.32 | MonMotha | FOM_zzz: well, I considered that going in. Worst case, if copper hits what it did summer 2008, I can scrap the motor for about what I paid for it :) |
| 02:08.02 | MonMotha | that was one reason for wanting one that was so cheap |
| 02:08.03 | FOM_zzz | MonMotha: heh, or get it rewound with the properly insulated wire |
| 02:08.10 | MonMotha | yeah, that's an option, too |
| 02:08.25 | MonMotha | what output style are most commercial VFDs using these days? |
| 02:08.35 | FOM_zzz | MonMotha: IGBTs I think |
| 02:08.42 | MonMotha | I should say modulation style |
| 02:08.49 | MonMotha | I assume they're not just outputting square waves |
| 02:09.16 | FOM_zzz | MonMotha: no, it's variable frequency AC with some harmonic content |
| 02:09.23 | MonMotha | Are they still doing 3 level or have they gone to something better? Most IGBTs I see are rated for 9kHz, which is a somewhat standard carrier frequency. |
| 02:09.51 | FOM_zzz | MonMotha: dunno, some have big hairy inductors in there, maybe they just doing square wave and filtering |
| 02:09.54 | MonMotha | well, how are they generating the AC? You don't exactly want to run the devices in the linear region :) |
| 02:09.59 | MonMotha | ouch... |
| 02:10.27 | MonMotha | preliminary calcs on what I was going to do gave me harmonic content comparable to what I see on commercial AC lines with lots of computers in the area and a slightly saturating upstream transformer |
| 02:10.33 | MonMotha | people run motors on that all the time |
| 02:10.55 | MonMotha | most of the harmonics are >9kHz, which is (comparatively)easy to filter out |
| 02:10.57 | FOM_zzz | MonMotha: ccole can tell you all about that :-) Basically PWM modulated, low pass filtered, to get sine wave |
| 02:11.05 | MonMotha | ok |
| 02:11.24 | MonMotha | basically, it's a fricking huge class D amp :) same technique I was going to use |
| 02:11.31 | FOM_zzz | MonMotha: yup |
| 02:12.09 | prpplague | MonMotha really, giant class D? |
| 02:12.33 | FOM_zzz | MonMotha: the controllers do other tricks to keep the torque constant from start up to certain RPM. Dunno what that involves, probably modulating the voltage as well as freq. |
| 02:12.41 | prpplague | i wouldn't have thought that would have been easy to scale up like that |
| 02:13.52 | FOM_zzz | MonMotha: guess you could always find a clunky old DC motor and just put some stepped resistors in the field winding, just like an old streetcar :-D |
| 02:14.34 | FOM_zzz | MonMotha: oh yeah, golf carts do it that way too, doh... |
| 02:15.03 | MonMotha | FOM_zzz: but that's not nearly as much fun |
| 02:15.23 | FOM_zzz | MonMotha: yeah, until something breaks and the field opens..... |
| 02:15.47 | MonMotha | FOM_zzz: (to your prior comment) right you attempt to keep a (roughly) constant Volts/Hz ratio |
| 02:15.58 | FOM_zzz | does not like big DC motors... |
| 02:16.28 | MonMotha | you also want to have something to sense the current the motor is drawing in order to know how quickly you can ramp it up to your desired speed |
| 02:16.33 | solar | DC is good for that first 1HP |
| 02:16.40 | prpplague | GPSFan hehe think your buddy would be interested? |
| 02:17.14 | MonMotha | prpplague: it doesn't really scale up all that well in terms of design techniques, but it's basically the same thing. A VFD is basically a really big class D amp with a sine wave generator hooked up to the "input" |
| 02:17.26 | MonMotha | (very simplistically speaking) |
| 02:18.08 | MonMotha | there are other PWM techniques that can result in better efficiency, controllability, etc. by varying the input signal, if you prefer |
| 02:18.17 | MonMotha | usually at the expense of output harmonic content |
| 02:18.22 | FOM_zzz | MonMotha: transit systems are using PWM now instead of DC motors. Still using DC from the trolley wire but PWM to the drive motors. The sing like crazy, at least the ones on the Metro in Manchester, England do |
| 02:18.25 | MonMotha | I've actually got a book on this |
| 02:18.49 | MonMotha | FOM_zzz: do you know what does the Nozomi Shinkansen use? |
| 02:19.09 | FOM_zzz | MonMotha: I thought they all used 25KV 50Hz? |
| 02:19.10 | prpplague | MonMotha wonder if you might start out with something like a go-cart to test the systems |
| 02:19.12 | MonMotha | they certainly make...interesting noises |
| 02:19.30 | MonMotha | FOM_zzz: I mean to drive the traction motors, not the distribution |
| 02:19.56 | MonMotha | prpplague: I was going to make a resistive test bench for the power electronics at minimum |
| 02:20.12 | prpplague | ahh |
| 02:20.18 | FOM_zzz | MonMotha: dunno, maybe just stepped transformers like the old GG1, at least on the original Shinkansen. Never heard any singing or other noise on them except that low 50Hz hum... |
| 02:20.40 | FOM_zzz | MonMotha: and man can that thing accelerate... |
| 02:21.59 | FOM_zzz | really wants to ride the Tohoku Shinkansen one of these years... |
| 02:25.06 | MonMotha | FOM_zzz: these definitely had a higher (though not especially high, maybe 300-500Hz) hum to them that scaled with the motor speed |
| 02:25.12 | FOM_zzz | MonMotha: I would expect, given the state of technology at the time (1965) that the original Shinkansen used stepped transformers and universal traction motors. |
| 02:25.21 | prpplague | GPSFan give me a shout when you cna |
| 02:25.24 | prpplague | GPSFan can |
| 02:25.34 | FOM_zzz | MonMotha: Probably pwm then, as Japan is energy efficiency-crazy |
| 02:25.39 | MonMotha | I figured |
| 02:25.55 | MonMotha | just curious because that's a damn big amount of mechanical output |
| 02:26.02 | prpplague | there is a local company in the dfw are that is converting those smart car's over to all electrical |
| 02:26.08 | MonMotha | it's not a small train, and it accelerates rather quickly to high speeds |
| 02:26.29 | FOM_zzz | MonMotha: but there's what? 2 motors on every axle on the thing so it's spread out over a large area. |
| 02:26.38 | MonMotha | I'd love to electrify a smart car, but they're so expensive |
| 02:26.41 | FOM_zzz | MonMotha: probably no one motor greater than a couple hundred HP |
| 02:26.48 | MonMotha | FOM_zzz: yes, they do have the benefit of spreading things out |
| 02:27.14 | prpplague | http://evxlabs.com/gallery.html |
| 02:27.15 | MonMotha | I was of the impression that most "performance" electric car designs did the same with one motor per wheel or axle |
| 02:27.42 | FOM_zzz | MonMotha: the Pennsy GG1 had 12 350hp Westinghouse motors on each loco |
| 02:29.20 | FOM_zzz | MonMotha: that thing was said to be able to develop over 8000hp peak. There were 22 steps of power available, with a stop gate at notch 18 to keep the engineer from burning down the caternary in a 2 unit lashup. |
| 02:30.48 | FOM_zzz | MonMotha: this one old bloke I talked to years ago who used to be an engineer said at times on the Montrealler between Washington and New York they had to resort to timing the mileposts going by to figure out their speed as the speedo topped out at 125mph, and that was years before the first Shinkansen... |
| 02:34.49 | FOM_zzz | Why don't you guys figure out a way to transmit power into cars from the roadway? Batteries are a dead end. Need a little bit of power to make it to and from the highway, but once on the road couple energy from the roadbed into the car somehow. |
| 02:35.13 | FOM_zzz | Superconducting magnets maybe? |
| 02:36.55 | FOM_zzz | The virtual caternary :-) |
| 02:44.01 | MonMotha | FOM_zzz: um, woah |
| 03:01.20 | MonMotha | FOM_zzz: I'd always wondered why we couldn't just run basically rails down highways and major streets that are electrified (aside from potential safety issues) |
| 03:01.50 | MonMotha | yes, that's a huge amount of capital investment, but if oil hits $500/bbl, I think it could be justified barring a major advance in battery tefhc |
| 03:10.14 | *** join/#edev MonMotha (n=monmotha@cpe-65-29-71-209.indy.res.rr.com) |
| 03:12.50 | MonMotha | ~seen davidc__ |
| 03:12.53 | purl | davidc__ <n=davidc__@S01060002b360aacd.vc.shawcable.net> was last seen on IRC in channel #edev, 1d 2h 2m 15s ago, saying: 'prpplague - eh, it was a few days ago'. |
| 03:13.29 | Mirell | ~seen RobotGuy |
| 03:13.30 | purl | robotguy <n=n7pkt@pool-173-50-247-236.ptldor.fios.verizon.net> was last seen on IRC in channel #oe, 39d 1h 52m 7s ago, saying: 'wb'. |
| 03:30.24 | *** join/#edev davidc__ (n=davidc__@vhs.hackspace.ca) |
| 03:48.35 | *** join/#edev cbx (n=cbx__@unaffiliated/cbx) |
| 04:09.18 | *** join/#edev MonMotha (n=monmotha@cpe-65-29-71-209.indy.res.rr.com) |
| 04:23.50 | prpplague | wth - http://seeker.dice.com/jobsearch/servlet/JobSearch?op=302&dockey=xml/3/e/3e401b9487cf1b09fb70d41710efb7ba@endecaindex&source=19&FREE_TEXT=bootloader&rating=99 |
| 04:24.19 | prpplague | how many kernel devrs are into python perl and bash? |
| 04:28.48 | MonMotha | I dunno. python, perl, and shell scripts are all useful things that kernel devs may hack on when they need to automate something, but I would agree that most kernel devs are not generally the same people you're likely to find hacking on giant applications written in those languages |
| 04:29.30 | Mirell | Peter Anvin. |
| 04:29.45 | Mirell | disappears into the night again |
| 04:30.24 | prpplague | MonMotha granter they are useful, but if you spend all your time doing kernel dev, you tend not to become experts in those languages |
| 04:31.35 | MonMotha | prpplague: I suspect that, at best, you may find a kernel dev who is an "expert" at one of those 3 and competent in the others |
| 04:31.50 | prpplague | exactly |
| 04:32.17 | MonMotha | but, job postings these days seem to "ask for the world", and the smart hiring managers take what they can get if they actually want to ever fill the position |
| 04:32.49 | prpplague | MonMotha indeed, my point was that 9 out of the 10 things they want the person to do are all kernel and bootloader |
| 04:33.07 | prpplague | - Linux device drivers |
| 04:33.07 | prpplague | - Linux kernel |
| 04:33.07 | prpplague | - C or C++ |
| 04:33.07 | prpplague | - Embedded software development |
| 04:33.07 | prpplague | - Bootloaders (ie. Redboot, Grub, U-Boot) |
| 04:33.08 | prpplague | - Scripting (ie. Bash, Python) |
| 04:33.12 | prpplague | oops sorry |
| 04:33.17 | prpplague | was going to pastebin it |
| 04:33.27 | MonMotha | it sounds like they want a kernel/embedded dev with scripting experience a plus |
| 04:33.33 | prpplague | ok so 5 out of 6 |
| 04:33.36 | MonMotha | or at least that's what they SHOULD be asking for |
| 04:35.32 | Mirell | That actually sounds like a half-way reasonable job posting |
| 04:35.53 | prpplague | hmm, that contract is says no telecommute, but i'm gonna send in a resume anyway |
| 04:37.43 | Mirell | "Electrical Engineer with Linux Administration" |
| 04:37.47 | Mirell | How 'bout them shizzles |
| 04:37.55 | prpplague | hehe |
| 04:38.23 | prpplague | 5 years experience with windows 7 |
| 04:38.35 | MonMotha | "20 years experience with Java 1.5" |
| 04:38.39 | prpplague | hehe |
| 04:38.51 | MonMotha | heck, 20 years experience with Java |
| 04:38.56 | MonMotha | (which I have actually seen) |
| 04:39.31 | ds2 | hey! |
| 04:39.50 | ds2 | <-- EE & Sun Linux admin before! |
| 04:44.03 | Mirell | Heh |
| 04:46.13 | prpplague | ds2 hey bud, you hear anything on the omap4 work? |
| 04:49.35 | ds2 | prpplague: nope. but I am still dealing with holiday stuff for a few more days |
| 04:50.36 | prpplague | ds2 i heard around the way that they might have decided not to go with outside contractors |
| 04:51.11 | ds2 | that BU does change its minds often :( |
| 04:51.52 | ds2 | but their track record for Linux related output has some things to be desired |
| 04:51.59 | prpplague | ds2 indeed |
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| 14:43.07 | prpplague | greetings earthlings |
| 14:43.13 | prpplague | GPSFan: ping |
| 14:44.48 | GPSFan | prpplague: morning, the Prius is a 2010 model. |
| 14:45.05 | prpplague | GPSFan: ahh interesting |
| 14:45.22 | prpplague | GPSFan: know if it has the navigation/gps stuff? |
| 14:45.42 | GPSFan | it does not have nav/gps |
| 14:46.23 | prpplague | ahh |
| 14:47.35 | prpplague | GPSFan: wonder what kind of aftermarket stuff he'd be interested in |
| 14:48.51 | prpplague | grumbles about the bank not giving his new business a line of credit |
| 14:49.29 | Mirell | Yah, I ran into that |
| 14:49.53 | prpplague | boy ol' TimRikers android phone is getting alot of coverage at CES |
| 14:50.36 | prpplague | Mirell: i've got a purchase order for 100 boards, and each board costs me about $225 to make |
| 14:50.52 | Mirell | Yowch. |
| 14:51.13 | prpplague | Mirell: i've got the cash to do it, but i really really dont like doing that |
| 14:51.17 | GPSFan | prpplague: I'll ask, what sort of after-market devices are you thinking about? |
| 14:51.19 | Mirell | prpplague: Of course. |
| 14:51.46 | prpplague | GPSFan: i.e. add on navigation, mp3 player interfaces, bluetooth stuff |
| 14:51.56 | prpplague | GPSFan: really farming for ideas |
| 14:51.57 | GPSFan | k |
| 14:52.20 | prpplague | GPSFan: the hardware is there, just need to figure out what people with like as a killer app |
| 14:52.55 | GPSFan | prpplague: what is the interface to the car? CAN?? |
| 14:53.20 | prpplague | GPSFan: there are three interfaces, CAN , BEAN, and avclan |
| 14:53.39 | GPSFan | has only heard of CAN |
| 14:54.11 | GPSFan | prpplague: is this via the OBDII connector? |
| 14:54.12 | prpplague | GPSFan: i've started some pages but they are far from complete - http://www.elinux.org/Automotive_Communications |
| 14:55.01 | GPSFan | thanks.. |
| 14:55.39 | prpplague | GPSFan: the obdii connector does have connections for all of them, however for this implementation it would intercept the signals right behind the radio/display |
| 14:56.19 | GPSFan | "requires some disassembly" eh? |
| 14:57.41 | GPSFan | prpplague: but for testing it could plug into the OBDII conn. |
| 14:58.31 | prpplague | GPSFan: pretty sure we could do it that way, i'd have to double check since i designed it to be permentaly installed |
| 15:00.06 | prpplague | is it me or has the interest in the beagleboard waned a little? |
| 15:00.07 | GPSFan | prpplague: for beta testing might you put together an adaptor that could allow it to be connected/disconnected eaisly to the OBDII. That might reduce some peoples fears of "VOIDING the warntee" etc. |
| 15:00.34 | prpplague | GPSFan: right, i'll have a look and see if it possible |
| 15:00.56 | GPSFan | it may be the holidays, but I don't think there as is much interest as there was. |
| 15:01.33 | prpplague | i was trying to get some feedback on what size lcd's to have with the showdog and i didn't get a single response |
| 15:03.20 | GPSFan | prpplague: I've been busy lately, but I don't remember your post on #beagle. |
| 15:03.39 | prpplague | GPSFan: just yesterday evening |
| 15:04.01 | prpplague | reposts |
| 15:04.20 | prpplague | expects to spend time on the phone today |
| 15:04.25 | GPSFan | ah I probably missed it then, Ah! there it is>>> |
| 15:04.29 | prpplague | customer is getting their new board design today |
| 15:05.29 | sjhill | <PROTECTED> |
| 15:05.31 | sjhill | fsd |
| 15:05.44 | GPSFan | prpplague: re bank, if you have the cash, you might try a secured short term loan. if the bank gets a "good feeling (tm)" from that they might ease up on the credit for the next one. |
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| 15:08.09 | sjhill | wow, that was weird |
| 15:08.25 | sjhill | irssi puked |
| 15:08.30 | sjhill | *shrug* |
| 15:08.41 | prpplague | sjhill: stop molesting it |
| 15:08.49 | sjhill | indeed |
| 15:09.10 | sjhill | so what's this about Riker's phone? |
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| 15:18.37 | prpplague | sjhill: http://adidas-reborn.webs.com/apps/blog/show/2444069-saygus-vphone-coming-to-ces |
| 15:18.42 | prpplague | sjhill: video at the bottom |
| 15:23.53 | chouimat | morninh |
| 15:25.44 | sjhill | hey chouimat |
| 15:45.42 | sjhill | i'm up for a phone refresh in February |
| 15:45.51 | sjhill | i hope the Saygus is out by then |
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| 16:04.23 | madsy | On ARM, there might be a "hole" between the physical memory and the hardware registers, right? |
| 16:04.44 | madsy | So that no matter how much or little memory you have, the hardware register base is the same. |
| 16:05.00 | madsy | And assuming the system doesn't use banking. |
| 16:12.57 | wmat | that Saygus VPhone looks pretty impressive |
| 16:13.55 | chouimat | speaking of phone I need to top up mine ... thanks guys :) |
| 16:14.24 | wmat | congrats to TimR., I hope they have huge success |
| 16:17.44 | kergoth | riker was involved in that? hmm, looks nice indeed |
| 16:19.23 | sjhill | I haven't talked to Timmy in a long time |
| 16:20.10 | kergoth | 's only talked to him a couple times in the past few years |
| 16:23.01 | wmat | that's Riker in the video, isn't it? |
| 16:23.59 | kergoth | yeap |
| 16:29.48 | prpplague | riker is CTO if saygus now |
| 16:30.08 | kergoth | ah, cool |
| 16:30.23 | kergoth | needs to figure out what he's doing, career path wise |
| 16:34.09 | prpplague | meee toooo |
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| 16:38.12 | Mirell | Don't we all |
| 16:40.01 | sjhill | i'm developing mind control for pigs to take over the world |
| 16:40.27 | prpplague | didn't the daleks already try that? |
| 16:40.58 | chouimat | is trying to find a way of getting rid of Pinky so he can take over the world |
| 16:51.54 | SpeedEvil | I've wondered about doing that for real. |
| 16:52.09 | SpeedEvil | Condition pigeons to fly according to stimulous of sounds |
| 16:52.13 | SpeedEvil | add GPS + camera |
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| 17:09.02 | sorphin | ~whaleslap sjhill |
| 17:09.03 | purl | ACTION beats sjhill upside and over the head with a freakishly huge killer whale named Hugh |
| 17:09.10 | sorphin | talked to timmy last week |
| 17:09.17 | sorphin | about Droid/Android stuff |
| 18:03.42 | prpplague | dijenerate: looks like i'm making a drip down to visit the island |
| 18:04.29 | prpplague | dijenerate: know any junior techies that i could look at for a full time maintenance job ? low end stuff |
| 18:04.47 | prpplague | dijenerate: basically just need some eyes,ears, hands |
| 18:10.32 | sjhill | raises his hand |
| 18:11.07 | prpplague | sjhill: hehe you don't live in barbados, hehe |
| 18:11.40 | prpplague | sjhill: i basically need a flunky to go and check printers, run virus scans, and reset routers and such |
| 18:11.52 | prpplague | sjhill: gonna do all the IT admin from my office in the states |
| 18:12.38 | sjhill | ah |
| 18:12.44 | sjhill | i was hoping you meant for soldering and sstuff |
| 18:13.51 | prpplague | sjhill: hehe |
| 18:13.58 | prpplague | sjhill: gotta make my money where i can |
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| 18:37.47 | alex4nder | hey |
| 18:39.24 | prpplague | alex4nder: greetings earthling |
| 18:39.51 | prpplague | GPSFan: ping |
| 18:40.24 | GPSFan | prpplague: ding |
| 18:41.20 | prpplague | GPSFan: brain storming about variations of the ShowDog lcd board for the beagle |
| 18:41.47 | GPSFan | watches for thunderclouds |
| 18:41.53 | prpplague | GPSFan: thoughts on making a beagle lcd interface board for this - http://www.surpluscomputers.com/348899/house-brand-lcd-digital-photo.html |
| 18:41.59 | prpplague | GPSFan: or one similar |
| 18:42.19 | GPSFan | looks |
| 18:45.57 | GPSFan | prpplague: you mean to rip out the lcd and use it on the SD? That would certainly be cheaper then the SparkFun PSP panel. Any details on what panel it uses. many new ones have a i2c connection as well as the std. TFT interface. |
| 18:46.41 | SpeedEvil | I was surprised that the n900 seems - if the width of the cable is anything - to be lvds |
| 18:47.08 | prpplague | GPSFan: well i was thinking more on the line of ripping their cpu board out and replacing it with a board that would interface to the beagle, so you'd still get to keep the case |
| 18:47.12 | prpplague | maybe not the back |
| 18:48.47 | prpplague | GPSFan: thoughts? |
| 18:49.41 | SpeedEvil | My only thoughts are the ephemerality of reduced stuff. |
| 18:50.06 | GPSFan | prpplague: I think that the cost advantage over a PSP panel based system is a plus. you might even be able to adapt it to the point of being able to stuff a Beagle in there too. |
| 18:50.47 | prpplague | SpeedEvil: yea, i'd design the board so i could change out to a different frame if needed, and i'd purchase 100+ of the frames |
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| 18:51.52 | GPSFan | prpplague: does SC have enough stock to make it worthwhile? |
| 18:52.10 | SpeedEvil | umm |
| 18:52.25 | SpeedEvil | I recall seeing eeepc LCDs on some site at about that price point |
| 18:52.41 | prpplague | GPSFan: yea, so does geeks.com |
| 18:52.55 | prpplague | looks |
| 18:54.14 | prpplague | SpeedEvil: hmm didn't see anything |
| 18:55.00 | GPSFan | the eeepc LCD I found was about $77 |
| 18:55.02 | SpeedEvil | Argh - I can't find the site. |
| 18:55.08 | SpeedEvil | I thought I bookmarked it :/ |
| 18:55.24 | SpeedEvil | It was a 'quantity only' site $1000 minimum order IIRC |
| 18:55.58 | GPSFan | SpeedEvil: if prpplague was going to by 100 units that would not be an issue |
| 18:57.01 | SpeedEvil | yes, I know |
| 18:57.07 | prpplague | does theat eeepc display have ts? |
| 18:57.10 | SpeedEvil | I was saying why it was heaper than $77 |
| 18:57.13 | SpeedEvil | no. |
| 18:57.25 | SpeedEvil | oh - that was ts |
| 18:57.27 | SpeedEvil | missed that |
| 18:58.51 | GPSFan | the one I found does not: http://www.screentekinc.com/froogle-series-Asus--Eee_PC--904HD--8.9--wsvga--LED.shtml |
| 18:59.18 | SpeedEvil | Sparkfun is - already - slashdotted. |
| 18:59.39 | SpeedEvil | there are touchscreens available for modding - but it doesn't come as default with one |
| 19:06.53 | wmat | SpeedEvil: is it slashdotted because of freeday? |
| 19:07.22 | SpeedEvil | yes |
| 19:07.33 | wmat | ah |
| 19:07.37 | wmat | it's working for me |
| 19:07.42 | SpeedEvil | apparantly someone posted that it on hackaday |
| 19:07.48 | SpeedEvil | it was down earlier |
| 19:09.30 | SpeedEvil | It is simply a genius promotion. |
| 19:13.02 | alex4nder | I predict server melt down. |
| 19:13.08 | alex4nder | it's hard enough browsing the site right now. |
| 19:14.43 | SpeedEvil | ponders posting it to /. and seeing the server _totally_melt_. |
| 19:14.54 | SpeedEvil | (but I have a cart- so I won't) |
| 19:43.12 | Mirell | Odd that it's already melting |
| 19:43.15 | Mirell | Freeday is tomorrow. |
| 19:43.52 | armin76 | http://www.marvell.com/armada/quadruple_core_arm_instruction_set/release/1363/ |
| 19:45.51 | prpplague | hmm, i thought the OMAP4 was the first to do quad, but they are counting the first to make it available |
| 19:53.18 | prpplague | wonders what's in this - http://www.dealextreme.com/details.dx/sku.9554 |
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| 19:58.48 | prpplague | sjhill: make any more progress on cricut? |
| 19:59.16 | sjhill | i'm waiting for parts and tools to arrive |
| 19:59.29 | prpplague | ahh |
| 20:04.28 | SpeedEvil | prpplague: one way to find out. |
| 20:04.56 | prpplague | SpeedEvil: ?? |
| 20:05.03 | prpplague | SpeedEvil: oh on the handheld |
| 20:05.05 | prpplague | SpeedEvil: yea |
| 20:05.14 | prpplague | SpeedEvil: got too many irons in the fire already |
| 20:15.19 | rektide | OMAP4 will probably be released first |
| 20:16.05 | rektide | marvell's recent habit of paper launching with almost no information is starting to rub me hte wrong way |
| 20:26.26 | prpplague | ho ho hum |
| 20:27.26 | sjhill | i wonder if i can license Monster Energy syrup and hook that into my own soda machine |
| 20:27.33 | sjhill | ponders |
| 20:31.24 | prpplague | hehe |
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| 20:58.10 | Mirell | Yep, drank too much coffee today. |
| 21:16.23 | prpplague | Mirell: hehe |
| 21:20.06 | prpplague | http://www.linuxfordevices.com/c/a/News/Lenovo-Skylight-and-IdeaPad-U1/ |
| 21:20.11 | prpplague | cosmic will be happy |
| 21:20.30 | Mirell | They weren't kidding about needing less coffee when you quit smoking. |
| 21:24.28 | prpplague | hehe |
| 21:25.46 | prpplague | does it bother anyone else when people in the news talk about different operating systems such as windows ce, android and linux? |
| 21:25.58 | prpplague | the point being that android uses the linux kernel? |
| 21:28.31 | Mirell | I don't watch the news |
| 21:29.25 | wmat | prpplague: try to see that as a positive ;) |
| 21:29.31 | mnemoc | i think the different is more one their libc and the java interpreter which are not used by any other linux-based system |
| 21:29.37 | mnemoc | difference* |
| 21:30.21 | prpplague | yea but to say "xxx device is only available with android and not linux or windows ce" is somewhat inaccurate i would think |
| 21:30.33 | prpplague | if you have a device running android, you have a working linux kernel |
| 21:30.54 | mnemoc | yes, it is inaccurate |
| 21:33.06 | SpeedEvil | I would say it isn't inaccurate. |
| 21:33.19 | SpeedEvil | android is not a usually functioning linux device |
| 21:36.10 | sorphin | .me waves Ken-wards. |
| 21:36.21 | sorphin | makes that a /me |
| 21:40.56 | prpplague | SpeedEvil: but if it boots the linux kernel to run android, its pretty well supported in the linux kernel |
| 21:41.21 | prpplague | SpeedEvil: even if not all the peripherals or controllers are working, booting is a big step |
| 21:42.09 | SpeedEvil | yeah. |
| 21:42.15 | SpeedEvil | i see where you're coming from. |
| 21:42.17 | prpplague | SpeedEvil: i just had an unnamed SoC manufacturer tell me that a arm SoC didn't run linux or windows ce, and when i asked what os it did support they told me android was one of them |
| 21:42.27 | SpeedEvil | ... |
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| 21:43.31 | prpplague | wmat: you think it is a good thing that android is distancing itself from the info that they use the linux kernel? |
| 21:43.48 | prpplague | wmat: (not that i disagree just curious) |
| 21:44.06 | prpplague | hates waiting to hear back on contracts |
| 21:44.10 | SpeedEvil | To misquote RMS, linux is not just the kernel. |
| 21:44.48 | Mirell | Oh dear. |
| 21:44.53 | *** mode/#edev [+o Mirell] by ChanServ |
| 21:45.55 | prpplague | SpeedEvil: hmm |
| 21:46.43 | SpeedEvil | Dunno how this should be expressed in mass media though. |
| 21:47.00 | SpeedEvil | There is a big difference between - say - the n900 - and tivo or iphone. |
| 21:50.15 | prpplague | wonders if wikipedia entry mentions anything |
| 21:50.18 | prpplague | looks |
| 21:52.04 | sorphin | rotfl |
| 21:52.34 | prpplague | sorphin: ?? |
| 21:52.38 | prpplague | SpeedEvil: http://en.wikipedia.org/wiki/Google_android |
| 21:52.39 | sorphin | only hates android when it KPs :P |
| 21:52.50 | prpplague | SpeedEvil: lot of info per se about it |
| 21:53.09 | prpplague | SpeedEvil: footnote 85 seems to have some good info on how google "sees things" |
| 21:53.42 | sorphin | Android 2.1 will be OSS soon enough |
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| 23:17.02 | wmat | prpplague: I don't think that it's a good thing that android is distancing itself from the info that they use the linux kernel at all. I just don't see the harm in mentioning Android and Linux separately in news stories or whatever. |
| 23:17.54 | prpplague | wmat: ahh |
| 23:18.26 | wmat | it's usually non-technical people who are saying it anyway |
| 23:18.56 | wmat | and if someone is afraid of Linux and therefore buys an Android phone, OSS still wins |
| 23:19.24 | prpplague | indeed |
| 23:20.47 | Mirell | It's not like Apple is really heavy on "Oh hey, we have a BSD-based kernel" |
| 23:21.48 | Mirell | is wondering when RMS is going to insist upon GNU/Android. |
| 23:21.56 | prpplague | hehe |
| 23:22.53 | prpplague | i think my main complaint was about how some SoC manufacturers were saying they don't have linux support, but yet they say they have android support |
| 23:23.28 | wmat | must be the marketing dept. saying that |
| 23:23.55 | wmat | that's going to get worse as Android takes over |
| 23:24.21 | wmat | netbooks already advertise as running Android, don't they? |
| 23:34.57 | *** join/#edev landley (n=landley@cpe-66-68-109-179.austin.res.rr.com) |
| 23:34.57 | *** mode/#edev [+o landley] by ChanServ |
| 23:35.12 | landley | And lo, I am reminded that freenode exists! |
| 23:35.32 | prpplague | landley: hehe |
| 23:35.42 | prpplague | landley: you always show up when i am about to go home |
| 23:35.46 | landley | And I am also told that it's $1 sandwich day at whichwhich. |
| 23:36.02 | landley | prpplague: I have timing. |
| 23:36.07 | landley | I've always had timing. |
| 23:36.12 | landley | Didn't say it was _good_ timing. |
| 23:36.15 | landley | Just notable. |
| 23:36.48 | landley | Today I've been wrestling with the fact that gcc must -lgcc before -lgcc_s in every instance. |
| 23:36.56 | landley | Every version of gcc I've seen does this. |
| 23:37.10 | landley | Note that the only libgcc is libgcc.a, the static one. |
| 23:37.39 | landley | This libgcc_s.so seems like it's _only_ the libgcc_eh.a stuff, because anything else they put into it that's also in libgcc.a _will_never_get_used_. |
| 23:38.28 | landley | On i686, skipping the -lgcc doesn't seem to do anything. On arm eabi, it breaks stuff because the guts of eabi in gcc are horrible. |
| 23:39.16 | landley | Specifically, __aeabi_ldivmod is either something I totally do not understand the reasons for, or it is just too horrible to contemplate. |
| 23:40.45 | SpeedEvil | prpplague: Today I found by accident something amusing to me. I have a script to grab my supermarkets website, and sort by price/kilo. The most expensive item was 4760 pounds/kilo, and would have been known in the middle ages. Guess what it was. |
| 23:41.24 | prpplague | SpeedEvil: i give up, what? |
| 23:41.31 | SpeedEvil | Saffron. |
| 23:41.41 | SpeedEvil | The more things change... |
| 23:41.42 | prpplague | SpeedEvil: ahh wow |
| 23:41.53 | SpeedEvil | Sold by the half gram. |
| 23:42.27 | SpeedEvil | Needless to say - I'm buying at the other end of the sorted list mainly :) |
| 23:42.59 | SpeedEvil | I suppose that it must not be easily farmable. |
| 23:48.50 | landley | SpeedEvil: it's more that it's flower stamens. You get such a tiny amount from each plant (and it has to be manually harvested) that the amount you get from an entire field of the stuff could be easily lifted in one hand. |
| 23:49.39 | SpeedEvil | Hmm - yes - I suppose the manual labour bit would add lots. |
| 23:50.26 | landley | The "yield measured in grams per acre" bit comes in there too. Land isn't free. |
| 23:51.30 | landley | (Actually, it turns out you can get 8-10 pounds per acre with modern techniques. Just looked it up.) |
| 23:52.06 | landley | Of course that implies upwards of 700,000 flowers per acre. Seems a bit dense... |
| 23:52.29 | landley | (3 stamens/flower, 210,000 stamens per pound...) |
| 23:52.43 | prpplague_afk | heads home, bbiab |
| 23:53.07 | SpeedEvil | ponders automated saffron harvester. |
| 23:54.14 | landley | Ok, the internet's information on this is insane and contradictory. Not a big surprise, really... |
| 23:54.39 | landley | (10 pounds per acre! 35 pounds per acre! Requires low rainfall. Requires extensive irrigation unless grown in an area of high rainfall!) |
| 23:54.49 | landley | Are they talking about the same _plant_? |
| 23:55.17 | SpeedEvil | It's the internet! :) |
| 23:55.56 | landley | This site at least interviews actual farmers growing the stuff: http://www.monstersandcritics.com/news/india/news/article_1372758.php/Kashmiri_saffron_yield_withering_fast_Feature |
| 23:58.58 | SpeedEvil | Always the people at the bottom getting screwed. |
