IRC log for #edev on 20091026

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05:07.39Ian_DaniherI'm looking for an open-source hardware dev platform for ARM9+elinux - I'm part of a design team building a peripheral to add real-world functionality to Mathworks' Matlab software application
05:08.59Ian_DaniherI've looked at the beagle board(too powerful / expensive), Hammer Board(awesome, but slightly too powerful / pricey), the NSLU2(very close to what I need) and the ZipIt Z2(also very close)
05:10.48Ian_DaniherWhen it comes to specs, I need one i2c bus that's accessible via the i2c-dev kernel module and either USB-host or SD/MMC and two USARTs for TTL serial
05:11.21Ian_DaniherI need something that's the exact middle between an arduino or sanguino and beagle board
05:11.40Ian_Danihera zipit z2 / nslu2 would work awesomely, but they're not OSH and I don't want to infringe copyrights
05:11.41MonMothathe beagle is too expensive?
05:11.59MonMothafor what you get, the beagle is an amazing deal, and it's also <$100
05:12.19MonMothaor I guess it's $150
05:12.22MonMothastill not too bad
05:12.27MonMotha(way cheaper than Matlab :)
05:13.06Ian_DaniherMonMotha: very true - but for being the center of a peripheral aimed at undergrad, it's a bit pricey :/
05:13.16Ian_Daniherdefinitely a feasible backup plan
05:13.24MonMothaI'm not sure you're going to get ARM9 level performance for much less.
05:13.48Ian_DaniherARM7 is the next step down?
05:14.01MonMothapretty much
05:14.09MonMothalots of ARM7TDMI offerings for ~$60-100
05:14.19Ian_Daniherany suggestions in that ballpark?
05:14.32MonMothayou know sparkfun, right?
05:14.46Ian_Daniheryep
05:14.51Ian_Daniherlet me check
05:14.59MonMothahit their dev tools section and look at LPC and SAM
05:15.11Ian_Danihershould I look at SAM?
05:15.15Ian_Daniherah
05:15.15Ian_Daniheryep
05:15.24MonMothathere are some ST offerings, too
05:15.32MonMothayou might be able to find a Cortex M3 in that price range
05:16.33MonMothabeagle is actually a Cortex A8, which is quite a bit faster than a 926EJS
05:16.48MonMothabeagle is pretty darned impressive for the price
05:17.01Ian_Daniheragreed
05:17.06MonMothaand I think the rev C works out most of the bugs ;)
05:17.40Ian_Daniherit just feels terrible to condem a desktop-worthy ARM chip to the role of a peripheral
05:17.53MonMothaeh, at the price, who cares what you do with it :)
05:18.43Ian_Daniherif I have $150 to blow, think it's a worthwhile investment to have around?
05:18.55MonMothapretty much
05:19.02MonMothaI've thought about using one as a server
05:19.08MonMothaplenty powerful and low power
05:19.16MonMothaissue is lack of networking
05:19.41MonMothacould build an add-on board with a couple network ports, though
05:19.42Ian_Daniherusb-ethernet?
05:19.55Ian_Danihermhm
05:20.00Ian_Daniherthere's a new addon board out for it
05:20.03Ian_Danihervia tincantools
05:20.07Ian_Daniherzippy?
05:20.22Ian_DaniherYeah - the Zippy board adds eth.
05:20.45MonMothaneed 2 ports for a router, though
05:21.08Ian_Daniherslave a wrt54g to it :P
05:21.21MonMothaif I'm going to do that, I'll just hack the wrt54g :)
05:21.56Ian_Daniherhaha
05:22.05Ian_DaniherI recently acquired five of them...
05:22.09MonMothathey're useful
05:22.20Ian_Danihermhm
05:22.22MonMothathing is, I need some serious storage since my server hosts my email
05:22.38MonMothamy mail spool is several gigs
05:22.52Ian_Daniherah
05:22.59MonMothabeagle, I can just dump a giant SD card in
05:23.06MonMothathat's a little harder on a wrt54gl
05:23.13Ian_Daniher16gb SD card + wrt54g
05:23.18Ian_Daniher:P
05:23.18Ian_Daniherthat'd be terribly slow
05:23.27MonMothayah
05:23.35MonMothaI'll figure something out some time
05:23.51Ian_Daniherwell, thanks for your time!
05:23.59Ian_DaniherI definitely appreciate it
05:24.48Ian_DaniherWhat I need is just a ZipIt Z2 knockoff with no worries of copyright infringement
05:30.23MonMothaeh, no problem
05:30.31MonMothalet me know if you want me to build you anything :)
05:30.52Ian_Daniherhaha
05:31.05*** join/#edev JoeLlama (n=snork@206.169.63.10)
05:31.31Ian_DaniherI'm a Freshman ECE student acting as an embedded device consultant for a senior design team
05:31.39MonMothaah
05:32.03MonMothaI presume you've learned that many places give crazy discounts to students at this point?
05:32.06Ian_DaniherI, ironically enough, seem to have considerably more knowledge about elinux than the rest of the team put together :/
05:32.41MonMothamy experience in school was that class standing seemed to have remarkably little bearing on real-world knowledge and experience
05:32.56Ian_DaniherI know that some do - which 'many places' are you refering to?
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06:31.02calculusfor cortex m3, there is mbed.org
06:31.11calculus$60 for pre-order
06:31.28calculusIan_Daniher: ^^
06:32.36calculusthat is an interesting project since all the code development is done in the web browser and then you download the binary to the board
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16:16.52prpplagueRobotGuy: hey crackster
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17:01.02RobotGuyprpplague: Greetings!
17:05.39*** join/#edev VK4MSL (n=vk4msl@gentoo/developer/redhatter)
17:07.27RobotGuyI was away from robotics for awhile.  I just started back on it a month or so ago.
17:08.25RobotGuyI got a BeagleBoard and have been learning Open Embedded (not as bad as I thought it would be).
17:09.11chouimatmorning
17:09.42RobotGuyG'Morning
17:09.49prpplagueRobotGuy: i figured as much from your posts
17:11.18RobotGuyThe first accessory I got for it was a BeagleBoard Adapter Kit. :)
17:11.47RobotGuyGood job on the Zippy!
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18:05.46MirellWoah.
18:05.57MirellRobotGuy: You're not dead. Huzzah.
18:07.29*** join/#edev kergoth (n=kergoth@ip24-251-170-95.ph.ph.cox.net)
18:09.40RobotGuyMirell: Umm, no, I am very much alive. :)
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18:46.10MirellRobotGuy: You were just gone for forever.
19:02.23RobotGuyYeah, I know I was out for awhile.  Various smaller things added up and got too big to deal with so I just unplugged for awhile.
19:03.46RobotGuyI'm back to tinkering Embedded Linux again, and have a shiny new BeagleBoard.
19:05.40RobotGuyI got an 8 GB SDHC card to use with it, but discovered my card reader/writer won't do SDHC, so I have to get a newer model.
19:07.03RobotGuyIs SD vs SDHC a hardware only issue?
19:08.28keesjnot only. software also likes to make things difficult
19:09.55RobotGuyAs in?
19:10.28RobotGuyI am just wondering, because I don't want to have to buy a new reader/writer if I don't have to.
19:10.29HcESDHC can mainly be supported by a firmware upgrade, but I guess most card readers do not have that feature
19:14.09RobotGuyI don't think my reader is upgradable.
19:15.43*** join/#edev zek152 (i=zek_@hill-d-161.resnet.purdue.edu)
19:16.30zek152Not sure if this is the right place.  Im on a project that is making a device that takes microphone input and uses a dBA weighted scale to determine average intensity for time periods
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19:17.24zek152(sorry hit enter on accident) I have thought of 2 ways of doing this. 1 using a fft to put the input into a frequency domain and using the curve and the othe(2) is to use convolution of the input with the dBA impulse response.
19:17.34zek152any ideas?
19:30.38RedhatterMaybe #hamradio?  This channel is for embedded software development.
19:37.34MirellI are employed.
19:37.36MirellHuzzah!
19:38.43prpplagueMirell: cook
19:38.45prpplaguecool
19:38.55prpplagueMirell: so you got that janitor job eh?
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19:42.03Mirellprpplague: Build System Engineer
19:42.56prpplagueMirell: cool, where at?
19:43.38MirellIn Austin.
19:43.44MirellAt BreakingPoint Systems
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19:54.06prpplagueMirell: ahh dandy
19:54.11prpplagueMirell: $$ good?
19:58.42calculusa good answer would be: better than nothing :P
19:58.50MirellIndeed.
19:58.53MirellMoney is quite decent.
20:13.49Mirellcalculus: And yes, it is distinctly better than $0. :D
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22:15.31prpplagueho ho hum
22:15.51MirellIndeed.
22:15.51prpplaguegetting about time to order some parts .......
22:16.07MirellMore counterfeit chips?
22:16.32prpplagueMirell: naw, directly from mouser and digikey, just a large $$ amount
22:17.00prpplaguemy poor bank account is going to scream
22:17.22MirellHeh
22:17.30MirellI'm getting ready to go to dinner with landley...
22:17.36MirellYay employment-can-afford-to-eat-out
22:17.40prpplagueMirell: slap him in the head for me
22:17.46MirellWhy?
22:17.56calculusMirell: tell him I say hi
22:18.06prpplagueMirell: no particular reason other than he probably desires it for _something_ ...
22:18.19MirellFairly certain he doesn't desire to be slapped in the head.
22:19.27prpplaguehehe
22:21.23prpplagueMirell: tell him hello anyways
22:27.58MonMothaI wish my X server would stop segfaulting
22:28.01MonMothaI think this PC Is finally dead
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23:58.07prpplaguemnemoc ping

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