From: Kirk M. <km...@ec...> - 2009-10-15 14:34:58
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http://envisense.org/glacsweb/index.html :-) Mark Ahlenius wrote: > Ok, > > U have our curiousity peaked. What r u doing with this "cool app" > sitting on an glacier? > > 'mark > > Sent from my iPhone > > On Oct 15, 2009, at 3:42 AM, Kirk Martinez <km...@ec...> wrote: > >> Our connex sitting on a glacier in Iceland cold-boots at 12:00 once a >> day and seems OK so far... it would be good to know if there is a >> "show >> stopper". >> Kirk >> ps: just realised the "cold-boot" is literally cold! ;-) >> >> Matthew Bowles wrote: >>> Hi list >>> >>> We have an application coming up where we want to cycle the power >>> on our >>> gumstix COM a few times a day. >>> Can anyone see any glaring issues with this? I'm concerned firstly >>> with >>> the Flash integrity after repetitive boots. >>> we are thinking in the order of 10 per day. (most likely 2 or 4, but >>> conceivably some applications could require 24, though unlikely). >>> >>> will be taking some care to shutdown various processes when the power >>> cutoff is eminent. The gumstix will specify the exact moment of >>> shutoff. >>> >>> we are using a temp fs (tmpfs) for our running data. My >>> understanding of >>> these is that after a power on reset the tmpfs will be effectively >>> re-formatted during the boot sequence. Is that true? >>> >>> for those interested - or in case anyone's got a better and easier >>> idea. >>> We are looking into a supervisor/monitor CPU to only power on the >>> GUMSTIX when necessary to save power. We are looking at sub 10mA on >>> average to suit a 5W solar panel (its close to the 'below-tempting' >>> threshold for thieves). >>> >>> Best regards >>> >>> Matt Bowles >>> Embedded Systems Engineer >>> */a/Wma**** Pty Ltd* >>> */Water Control Solutions/* >>> *Design - Manufacture - Install* >>> --- >>> --- >>> ------------------------------------------------------------------- >>> *Phone* 0427 680 641 >>> >>> *Web* _www.awma.au.com_ <http://www.awma.au.com/> *Email__*_ >>> ma...@aw..._ >>> >>> >>> >>> --- >>> --------------------------------------------------------------------- >>> >>> --- >>> --- >>> --- >>> --------------------------------------------------------------------- >>> Come build with us! The BlackBerry(R) Developer Conference in SF, CA >>> is the only developer event you need to attend this year. Jumpstart >>> your >>> developing skills, take BlackBerry mobile applications to market >>> and stay >>> ahead of the curve. Join us from November 9 - 12, 2009. Register now! >>> http://p.sf.net/sfu/devconference >>> >>> >>> --- >>> --------------------------------------------------------------------- >>> >>> _______________________________________________ >>> gumstix-users mailing list >>> gum...@li... >>> https://lists.sourceforge.net/lists/listinfo/gumstix-users >> -- >> Electronics and Computer Science >> University of Southampton, UK >> +44 (0)2380 594491 >> http://www.ecs.soton.ac.uk/~km >> >> --- >> --- >> --- >> --------------------------------------------------------------------- >> Come build with us! The BlackBerry(R) Developer Conference in SF, CA >> is the only developer event you need to attend this year. Jumpstart >> your >> developing skills, take BlackBerry mobile applications to market and >> stay >> ahead of the curve. Join us from November 9 - 12, 2009. Register now! >> http://p.sf.net/sfu/devconference >> _______________________________________________ >> gumstix-users mailing list >> gum...@li... >> https://lists.sourceforge.net/lists/listinfo/gumstix-users > > ------------------------------------------------------------------------------ > Come build with us! The BlackBerry(R) Developer Conference in SF, CA > is the only developer event you need to attend this year. Jumpstart your > developing skills, take BlackBerry mobile applications to market and stay > ahead of the curve. Join us from November 9 - 12, 2009. Register now! > http://p.sf.net/sfu/devconference > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users > -- Electronics and Computer Science University of Southampton, UK +44 (0)2380 594491 http://www.ecs.soton.ac.uk/~km |