IRC log for #edev on 20131116

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13:06.43T0mWdfarnsworth: Good morning.  Not looking for the stable releases, just a repo with incrementals.  I've a 2.6.39 I'm in the process of bringing up to 3.10.  Some things don't work, so, I've done a "binary search" across versions to find what patch broke things.
13:19.06g1powermachmm, anyone know a good place for cheap gps modules?
13:19.16g1powermac$40 - $60 just seems a bit much
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15:45.27SpeedEvilg
15:45.33SpeedEvilg1powermac: did you get ananswer?
15:46.04SpeedEvilCheap ones are well under that.
15:46.08SpeedEvilhttp://www.ebay.co.uk/itm/Skylab-UART-Serial-GPS-Module-For-Arduino-uController-with-Breakout-Board-Pins-/310620041199?pt=UK_ToysGames_RadioControlled_JN&hash=item485265afef
15:48.39SpeedEvilhttp://www.digikey.com/product-detail/en/JF2-B3A3-DR/943-1012-1-ND/2492586
15:49.35SpeedEvilhttp://www.digikey.com/product-detail/en/M10372-A1/627-1027-ND/2604608 - for one with antenna
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16:13.09_av500_or dx.com
16:13.12_av500_or aliexpress
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16:54.33cahbtexhukhello
16:54.37cahbtexhukanybody alive here?
16:57.08SpeedEvilcahbtexhuk: no
16:57.23cahbtexhukthat's bad ):
16:58.25cahbtexhukanyway, can anybody point me to some good rtfm about building linux for arm boards?
16:59.21SpeedEvilYou do know there is no generic source that will work on all, or even several arm boards?
16:59.32cahbtexhukyeah, I'm aware
16:59.44cahbtexhukI'm stuck a bit
17:00.00cahbtexhukI now what I need, but I don't know how to google that :D
17:00.24SpeedEvilFirst step is do you have an existing board, oris this a general question
17:00.26cahbtexhukmaybe I'll just explain my problem and somebody amy know an easier solution
17:00.57cahbtexhukI have olinuxino micro board and tp-link rtl8188eu-based usb wifi
17:01.30cahbtexhukI couldn't find ready kernel/distro with support for that, but I have driver sources
17:01.51cahbtexhukI need to build the damn thing somehow for my board
17:02.40cahbtexhukand the problem is that I have no idea how to cross-compile driver on x86 for imx233
17:03.01SpeedEvilWhat do you mean by that?
17:03.07SpeedEvilDo you have a binary driver?
17:03.12cahbtexhukno
17:03.19SpeedEvilOrdoyou mean you don't knowhow tocrosscompile atall
17:03.48cahbtexhukI don't know how to cross-compile
17:04.10cahbtexhukwell, I know, how it should be done in theory
17:04.41SpeedEvilhttps://romanrm.net/a10/cross-compile-kernel
17:04.43SpeedEvilfor example
17:04.45cahbtexhukbut I also know, that i need specific linux headers for the kernel my board is running
17:05.21cahbtexhuk10x
17:05.48SpeedEvilhttps://github.com/OLIMEX/OLINUXINO
17:05.51SpeedEvillooks relevant
17:06.38SpeedEvilhttps://github.com/OLIMEX/OLINUXINO/blob/b06dc10ceff1f9bea8d435e15942331b543da351/SOFTWARE/A13/olinuxino-debian.pdf get that
17:12.38cahbtexhukhmm... that's not for imx233. but still is pretty usefull
17:14.42g1powermacSpeedEvil, thanks, though I found one that is really cheap: http://www.maximintegrated.com/datasheet/index.mvp/id/5241
17:18.24SpeedEvilThis is not a GPS
17:18.27SpeedEvilIt is a GPS frontend.
17:18.47SpeedEvilYou need to take the  tens of megabits stream and process it into a position yourself.
17:19.00g1powermacoh
17:19.11g1powermacthat explains the cheapness
17:21.25g1powermacthat digikey module looks good
17:21.47SpeedEvilThere aremuchcheaper sources if you need lots.
17:22.06g1powermacyea, of course
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17:31.37g1powermacSpeedEvil, hmm, I wonder if there's a better solution to this than GPS, I'm building a sensor net of sorts using rfm23b modules and would like to know rough position of each sensor
17:31.54g1powermaceach sensor will be spaced probably at least 100 ft apart
17:31.56SpeedEvilIn short -if they're outdoors - no
17:32.10g1powermacthat's what I thought
17:45.36g1powermachmm, did find a cheaper one: http://www.mouser.com/ProductDetail/Maestro-Wireless-Solutions/A2200-A/?qs=sGAEpiMZZMsjLMBIknjmktYVBsqsIotyqEY%252bXiYuHqE%3d
17:46.55SpeedEvilThat has no antenna
17:47.12g1powermacyea, but I can add that
18:04.27_av500_sensors are battery powered?
18:10.54g1powermacyea
18:11.25g1powermacbasically only need to run gps when the sensor is moved
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20:06.07dfarnsworthT0mW: k. but any revision after 3.0 with 3 mumbers, like v3.10.19, names a stable release. All of Linus' in-between revisions are "release candidates", like v3.11-rc7.
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23:06.58g1powermacSpeedEvil, finally found a really cheap module with antenna: http://www.ebay.com/itm/GY-NEO6MV2-Flight-Control-Controller-GPS-Module-For-Arduino-EEPROM-MWC-APM-2-5-/380702465047?pt=LH_DefaultDomain_0&hash=item58a3a29c17
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23:57.50T0mWdfarnsworth: yes, that is what I was after, the -rc increments.  There is breakage in s3c2440, so far I've traced it to a revamp of the irq.c.  It looks to be commit f0301673ff where somebody made changes for the s3c2416.
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