[00:18] <Laurenceb> natrium42: about
[00:19] <Laurenceb> ?
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[01:50] <natrium42> Laurenceb, sups?
[01:52] <Laurenceb> hey
[01:52] <Laurenceb> yeah I think theres a heap/stack collision
[01:53] <Laurenceb> I've tried a few experiments dumping structs over the uart
[01:53] <Laurenceb> and there appears to be corruption
[01:53] <Laurenceb> at least I know whats going on, but it kind of sucks
[01:56] <Laurenceb> I cant see whats using so much RAM tho
[01:56] <natrium42> :S
[01:57] <Laurenceb> you can dump ram with jtag right?
[01:57] <natrium42> yes
[01:57] <Laurenceb> grrr jtag needed
[01:57] <Laurenceb> :P
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[01:57] <natrium42> ohai alex1
[01:57] <alex1> o hi
[01:58] <natrium42> how did you find this channel?
[01:58] <alex1> i heard rumors of a trans-planetary balloon flight. how's it going?
[01:58] <natrium42> ...
[01:58] <Laurenceb> lol
[01:58] <Laurenceb> hi
[01:59] <natrium42> Laurenceb, ignore him
[01:59] <natrium42> he's my brother
[01:59] <Laurenceb> oh
[01:59] <alex1> uh... i don't know the guy
[01:59] <alex1> sorry
[01:59] <natrium42> ...
[01:59] <Laurenceb> hehe
[01:59] <natrium42> does atmega8 have jtag?
[02:00] <Laurenceb> 168
[02:00] <Laurenceb> nope
[02:00] <Laurenceb> it has debugwire
[02:00] <Laurenceb> but thats proprietory
[02:00] <natrium42> bigger atmega chips are better for prototyping :p
[02:01] <natrium42> and price difference is negligible for single board prorotypes
[02:02] <Laurenceb> yeah
[02:02] <Laurenceb> but it was fun trying to fit it all in
[02:02] Action: natrium42 slaps Laurenceb with a no-it's-not stick
[02:03] <Laurenceb> looks like I'm going to have to rewrite the kalman filter
[02:03] <Laurenceb> thats going to screw things up with all the nested function calls
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[02:05] <Laurenceb> hmm ARM7 and freetros for my next project
[02:05] <Laurenceb> XD
[02:06] <Laurenceb> *rtos
[02:15] <Laurenceb> http://www.coolcomponents.co.uk/catalog/product_info.php?cPath=23_29_41&products_id=104
[02:15] <Laurenceb> probably that
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[10:55] <jcoxon> morning all
[10:58] <jcoxon> ping rjharrison
[11:00] <jcoxon> CUSF logs = http://www.pegasushabproject.org.uk/wiki/doku.php#resources
[11:05] <Ei5GTB> morning
[11:07] <jcoxon> morning Ei5GTB
[11:07] <Ei5GTB> howdy
[11:08] <Ei5GTB> is the first element in an array 1 or 0?
[11:08] <jcoxon> 0
[11:08] <jcoxon> what you coding in?
[11:08] <jcoxon> C?
[11:09] <Ei5GTB> C
[11:09] <Ei5GTB> yea
[11:09] <jcoxon> on an AVR?
[11:09] <Ei5GTB> yup
[11:09] <jcoxon> ever though of using an ardunio?
[11:09] <Ei5GTB> building a command parser
[11:09] <jcoxon> eases the development process
[11:09] <Ei5GTB> does it?
[11:09] <jcoxon> i think so
[11:09] <Ei5GTB> well, this time round i want to do it the nitty grtitty way.... to learn everything
[11:09] <jcoxon> its perhaps not as flexible but its nice to work with
[11:09] <Ei5GTB> like, im not taking shortcuts..
[11:10] <jcoxon> fair enough
[11:10] <Ei5GTB> yea, but for future projects ill use it
[11:10] <jcoxon> well if you crack using raw C you might as well carry on
[11:10] <Ei5GTB> nothing beats the feeling you get when your breadboard starts talking to your computer imho
[11:10] <Ei5GTB> heh, im a C++ myself.. so the conversion to C is a difficult one
[11:11] <Ei5GTB> s/C++/C++ ,am
[11:11] <Ei5GTB> man
[11:11] <Ei5GTB> ffs
[11:11] <jcoxon> i'm terrible at those languages
[11:11] <jcoxon> much prefer cheating and using python or ruby
[11:11] <jcoxon> oooo linux on the iphone
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[11:14] <Ei5GTB> heh
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[11:14] <Ei5GTB> right, im off to work
[11:14] <Ei5GTB> chat altyer
[11:14] <jcoxon> cya
[11:36] <rjharrison> ping jcoxon
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[12:00] <jcoxon> morning edmoore
[12:01] <edmoore> hello
[12:03] <edmoore> all well?
[12:03] <jcoxon> yup
[12:03] <jcoxon> in the library like usual
[12:03] <jcoxon> to distract myself from my essay i've been looking at linux on the iphone
[12:04] <jcoxon> makes me want to get one
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[13:10] <fuzzylugnuts> Hey
[13:11] <fuzzylugnuts> looks like the gumstix folks have been busy
[13:19] <jcoxon> fuzzylugnuts: indeed - new system
[13:20] <fuzzylugnuts> I see the Overo series. The specs look impressive
[13:20] <fuzzylugnuts> finally enough flash for X11
[13:21] <jcoxon> yeah
[13:22] <fuzzylugnuts> radiometrix is about to release a 2w radio module with audio in/out, so I'm going to order the roboaudio and try to run digital modes off it for control
[13:22] <fuzzylugnuts> specifically OLIVIA
[13:22] <fuzzylugnuts> because I <3 that mode.
[13:23] <jcoxon> :-D
[13:25] <fuzzylugnuts> I look forward to the expansion board for the Overo
[13:25] <fuzzylugnuts> is the goliath made for Overo?
[13:25] <fuzzylugnuts> http://www.radiometrix.co.uk/dsheets/qpx1.pdf
[13:27] <jcoxon> no, the goliath is for the verdex
[13:27] <jcoxon> and i'm not even sure they'll ever release teh goliath
[13:28] <fuzzylugnuts> awww
[13:28] <fuzzylugnuts> well it was a nice idea
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[13:30] <fuzzylugnuts> a lassen IQ and sparkfun's weather board should be sufficient
[13:30] <jcoxon> fuzzylugnuts: howabout a gpssix
[13:30] <jcoxon> gpsstix
[13:30] <jcoxon> you get a ublox 4 gps and audio out
[13:31] <fuzzylugnuts> ah yeah, I did look at that
[13:31] <fuzzylugnuts> I wanted the I/O control from the robostix though
[13:32] <jcoxon> good point
[13:32] <jcoxon> i've found you can get away with a gpsstix
[13:32] <fuzzylugnuts> *nods*
[13:32] <jcoxon> lots of gpios, 4 ADCs and you can even do pwm over the gpios with a kernel driver
[13:32] <fuzzylugnuts> does it have A/D?
[13:32] <fuzzylugnuts> ah ok
[13:32] <fuzzylugnuts> oh wow
[13:33] <fuzzylugnuts> well shoot. you're just about talking me into one
[13:33] <fuzzylugnuts> I need to look at it more in-depth
[13:34] <fuzzylugnuts> what is the power consumption like?
[13:34] <jcoxon> not really sure
[13:35] <jcoxon> i've flown the gpsstix and a verdex on quite a few flights
[13:35] <jcoxon> on 3AA lithium energizers you can get a good 4 or 5 hours
[13:35] <jcoxon> perhaps more
[13:35] <fuzzylugnuts> oh sweet
[13:36] <fuzzylugnuts> any RF link between it and the ground crew?
[13:36] <jcoxon> last flight the audio out when to a radiometrix ntx2 and we transmited rtty and sstv
[13:36] <fuzzylugnuts> awesome
[13:36] <jcoxon> went to *
[13:37] <jcoxon> needs some improvment - manged to mess up the shift on teh rtty which made it very difficult to decode
[13:37] <jcoxon> next flight it'll be better :-D
[13:37] <fuzzylugnuts> ahhh yeah
[13:37] <fuzzylugnuts> thats the spirit
[13:37] <fuzzylugnuts> : )
[13:37] <fuzzylugnuts> ÿok, the USB client on the gps-stix.... I can hook that up to a USB hub right?
[13:38] <jcoxon> if you've got a verdex yes
[13:38] <fuzzylugnuts> Ok
[13:38] <fuzzylugnuts> yeah, I do
[13:38] <fuzzylugnuts> the XM4
[13:39] <fuzzylugnuts> I am so impressed with the gumstix
[13:39] <fuzzylugnuts> last summer it was one of those "lets try 100 new things at once" scenarios
[13:40] <fuzzylugnuts> and that little computer worked perfectly
[13:40] <fuzzylugnuts> ok
[13:40] <jcoxon> :-)
[13:40] <edmoore> rightm definitely need to go and hit some books
[13:40] <jcoxon> some people think they are a little bit overkill
[13:40] <edmoore> they do
[13:41] <edmoore> :p
[13:41] <fuzzylugnuts> eh
[13:41] <fuzzylugnuts> hydrogen is cheap : )
[13:41] <edmoore> But then can't really use that arguement anymore as jcoxon rather nailed it on the sstv
[13:41] <fuzzylugnuts> yeah
[13:41] <jcoxon> need to nail it in jan when it all works
[13:42] <fuzzylugnuts> when are you launching again?
[13:42] <edmoore> I'm still fairly sure we could do it on the arm though
[13:42] <jcoxon> fuzzylugnuts: in the new year
[13:42] <edmoore> badger spends 98% of its time doing piss-all
[13:42] <fuzzylugnuts> hahhaa
[13:42] <fuzzylugnuts> badger badger badger.....
[13:42] <jcoxon> edmoore: oh i reckon you could, just would require a bit more work
[13:42] <edmoore> yeah
[13:43] <jcoxon> especially getting the image
[13:43] <jcoxon> the sstv bit would be easy
[13:43] <edmoore> we'd probably have to get an off the shelf 240 x 320 module
[13:43] <edmoore> rather than a full-blown camera
[13:44] <jcoxon> yeah
[13:44] <jcoxon> i'm going to add a usb memory stick to peg VI so we can save the pictures as well
[13:44] <fuzzylugnuts> yeah, thats another reason I was asking about the usb hub
[13:45] <jcoxon> need to find a mini usb hub
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[13:45] <fuzzylugnuts> there are a few out there
[13:45] <jcoxon> just need 2 extra ports on it
[13:45] <jcoxon> one for the camera and the other for hte memory stick
[13:45] <fuzzylugnuts> I need 4
[13:45] <edmoore> anyway, bbl
[13:45] <jcoxon> cya
[13:45] <fuzzylugnuts> laters
[13:45] Nick change: edmoore -> edmoore|away
[13:46] <fuzzylugnuts> I wonder if sparkfun sells a striped down hub
[13:46] <jcoxon> fuzzylugnuts: if you find one do tell me!
[13:47] <fuzzylugnuts> there are alot that can be easily cannibalized for your evil plans
[13:48] <fuzzylugnuts> http://www.pcconnection.com/IPA/Shop/Product/Detail.htm?sku=6029787&oext=1038A&ci_src=14110944&ci_sku=6029787
[13:48] <jcoxon> yeah
[13:49] <jcoxon> i guess any small one i can just take apart
[13:49] <fuzzylugnuts> *nod*
[13:49] <fuzzylugnuts> I don't see a bare bones one on sparkfun
[13:49] <fuzzylugnuts> btw, thanks alot you guys for getting me hooked on that site.
[13:49] <fuzzylugnuts> bastards
[13:50] <jcoxon> haha, its amazing isn't it
[13:50] <jcoxon> and we end up paying import tax on it
[13:50] <jcoxon> yet its still worth it
[13:50] <fuzzylugnuts> totally
[13:50] <fuzzylugnuts> http://www.sparkfun.com/commerce/product_info.php?products_id=8311
[13:50] <fuzzylugnuts> I picked up one of these
[13:51] <fuzzylugnuts> really nice all-in-one sensor board
[13:52] <fuzzylugnuts> the guys at ATDD here would be interested in that data. I just like seeing the pressure/temp change.
[13:54] <jcoxon> :-D
[13:57] <fuzzylugnuts> ok, I'm a little hung over this morning... where is the spec sheet/wiki page for the gpsstix?
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[13:59] <jcoxon> probably best to look in the old wiki
[13:59] <jcoxon> one sec i'll find it
[14:00] <fuzzylugnuts> thanks
[14:02] <jcoxon> urgh thats a right old mess
[14:02] <jcoxon> the old wiki is a bit broken
[14:03] <fuzzylugnuts> hmm
[14:03] <fuzzylugnuts> even just the pin-out would be a start
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[14:05] <jcoxon> http://www.gumstix.net/Hardware/view/Expansion-boards/GPSstix-and-audioStix/112.html
[14:06] <fuzzylugnuts> you win! you found the cheese!
[14:06] <fuzzylugnuts> thanks
[14:07] <fuzzylugnuts> does the ublox have any problem with altitude?
[14:07] <jcoxon> no
[14:07] <jcoxon> works very well
[14:07] <fuzzylugnuts> ok groovy.
[14:08] <fuzzylugnuts> ooooooh this is exciting again.
[14:09] <jcoxon> also i've got a bit of info on my site - just its a bit dotted around
[14:09] <fuzzylugnuts> is the PWM kernel driver available in OE?
[14:09] <jcoxon> www.pegasushabproject.org.uk
[14:09] <jcoxon> i don't think so - its been a long time since i used it last
[14:09] <fuzzylugnuts> ok
[14:09] <jcoxon> http://www.pabr.org/pxarc/doc/pxarc.en.html
[14:09] <fuzzylugnuts> I'm sure those guys can whip up a bitbake pretty easily
[14:10] <fuzzylugnuts> oh neat
[14:10] <jcoxon> http://www.pabr.org/pxarc/doc/pxarc.en.html#sw_opwm
[14:10] <fuzzylugnuts> wonderful
[14:11] <fuzzylugnuts> I'd love to control servos at altitude
[14:11] <jcoxon> just don't let them get too cold
[14:12] <fuzzylugnuts> I'll make them shiver when not in use ;P
[14:13] <fuzzylugnuts> ok, bbiab
[14:13] Nick change: fuzzylugnuts -> fuzzy_wet
[14:25] Nick change: fuzzy_wet -> fuzzylugnuts
[14:26] <fuzzylugnuts> jcoxon: Cool sstv pics!
[14:27] <jcoxon> yeah :-D
[14:27] <fuzzylugnuts> and that was with how much xmit power?
[14:28] <jcoxon> 10mW
[14:28] <fuzzylugnuts> nice
[14:28] <fuzzylugnuts> ultra-qrp sstv :3
[14:28] <jcoxon> wasn't great reception conditions
[14:29] <fuzzylugnuts> cloudy?
[14:29] <jcoxon> clearer day will be better
[14:29] <fuzzylugnuts> *nod*
[14:29] <jcoxon> watching them come in line by line was very cool
[14:29] <fuzzylugnuts> how slow was the slow scan?
[14:29] <jcoxon> its martin 1, takes about a minute per pic
[14:30] <fuzzylugnuts> ok
[14:30] <fuzzylugnuts> I'd love to send up a DVR
[14:30] <fuzzylugnuts> just to see the balloon pop
[14:31] <fuzzylugnuts> there was a show on discovery where these guys sent up some solar experiment on a balloon, and they showed the balloon shredding
[14:32] <fuzzylugnuts> look really neat.
[14:33] <jcoxon> yeah there are some videos on youtube of balloons bursting
[14:33] <fuzzylugnuts> *nodnods*
[14:34] <fuzzylugnuts> http://www.youtube.com/watch?v=1fWzXNhfoQ8
[14:34] <fuzzylugnuts> the song "all the lonley people" comes to mind
[14:35] <jcoxon> hehe
[14:37] <fuzzylugnuts> hmm
[14:38] <fuzzylugnuts> I'm trying to find a video of a HAB parachute deploying
[14:38] <fuzzylugnuts> I saw it once on here somewhere
[14:40] <fuzzylugnuts> http://www.youtube.com/watch?v=QLKwJbr1t0s
[14:51] <fuzzylugnuts> I really need to find a reasonable packet controller.
[14:52] <fuzzylugnuts> or hook up flow control with the radiometrix and CTS/RTS stuff
[15:01] <fuzzylugnuts> jcoxon: just ordered a gpsstix
[15:05] <jcoxon> ooo cool, good luck then :-D
[15:05] <jcoxon> right i better be off
[15:05] <jcoxon> cya
[15:05] <fuzzylugnuts> THanks
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[15:05] <fuzzylugnuts> later
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[16:50] <Laurenceb> hello
[16:50] <fuzzylugnuts> Hi
[16:51] <fuzzylugnuts> whats up?
[16:51] <Laurenceb> bored
[16:51] <fuzzylugnuts> masturbate!
[16:51] <Laurenceb> I have to rewrite the mini rogallo code
[16:51] <Laurenceb> oi
[16:51] <fuzzylugnuts> whats wrong with it?
[16:51] <Laurenceb> less of that on here
[16:52] <Laurenceb> take it to /b/
[16:52] <fuzzylugnuts> :P
[17:32] <natrium42> fuzzlylug is nuts :P
[17:34] <Laurenceb> yeah I'm a bit concened
[17:34] <Laurenceb> he used to be normal
[17:35] <natrium42> did you fix your codez?
[17:38] <Laurenceb> I'm writing a neater version
[17:38] <Laurenceb> of the filter
[17:38] <Laurenceb> I think thats screwing up the dynamic memory allocator
[17:39] <fuzzylugnuts> how long does that take?
[17:39] <fuzzylugnuts> (a man needs a little madness, btw)
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[17:40] <Laurenceb> all day :(
[17:40] <fuzzylugnuts> ah, not too bad, if it gets your stuff working
[17:42] <Laurenceb> I hope so
[17:42] <Laurenceb> I read through the avr libc documentation
[17:42] <fuzzylugnuts> *nod*
[17:42] <Laurenceb> and I think I need to reduce ram use
[18:05] <Laurenceb> http://www.spacex.com/updates.phphttp://www.spacex.com/updates.php
[18:05] <Laurenceb> some serious falcon9 work going on there
[18:05] <natrium42> nicenice
[18:06] <natrium42> nasa should scrap ares and go with the falcon rockets
[18:06] <natrium42> spacex can do it cheaper & faster
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[18:32] <fuzzylugnuts> blah. this carpet makes me nervous when I etch boards.
[18:34] <fuzzylugnuts> I need a small table in my bathroom for this stuff.
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[18:48] <Laurenceb> carpet muncher
[19:00] <Laurenceb> http://uk.youtube.com/watch?v=-n-iORmV3Qk&eurl=http://hackaday.com/
[19:00] <Laurenceb> ^ omg
[19:13] <fuzzylugnuts> that is really cool
[19:19] <natrium42> oh, yeah kevtris is crazy
[20:03] <fuzzylugnuts> http://coyotefirecracker.selfip.com/balloon/916mhz/916.html
[20:03] <fuzzylugnuts> just made that.
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[20:20] <fuzzylugnuts> the xmiter realllly needs to be on a double sided board with vias tying the ground together, but this was just a quickie
[20:24] <Laurenceb> nice work
[20:24] <Laurenceb> cooler than my tx
[20:25] <fuzzylugnuts> hardly
[20:25] <fuzzylugnuts> ÿI still have to put the receiver together
[20:29] <fuzzylugnuts> I don't think I'll ever fly this
[20:29] <fuzzylugnuts> its more for tracking dogs and people
[20:29] <fuzzylugnuts> :3
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[20:40] Nick change: jn1 -> jnd
[20:58] <Laurenceb> I was thinking of making a receier
[20:58] <Laurenceb> AD have some nice ICs
[20:58] <Laurenceb> basically ant--lna--IQ mixer--PGA/High speed opamp--ADC--microcontroller--usb
[20:59] <Laurenceb> with an integrated VCO/PLL controlled by the microcontroller
[20:59] <Laurenceb> it could all fit inside a usb dongle, with mcx antenna
[21:00] <Laurenceb> and I think DC to 1GHz+ operation is possible
[21:23] <fuzzylugnuts> go for it
[21:26] <fuzzylugnuts> those UV LEDs are great for exposing boards, btw
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[21:37] <Laurenceb> CC1010PAG
[21:37] <Laurenceb> would do an entire payload :P
[21:37] <Laurenceb> (ti chip)
[21:38] <Laurenceb> its an 8051 with 32K flash, 2 uarts, adc, pwm and 434/868 mhz tx rx
[21:38] <Laurenceb> very nice :P
[21:39] <fuzzylugnuts> cool
[21:40] <Laurenceb> rx is -107dBm
[21:40] <Laurenceb> not bad
[21:42] <Laurenceb> but I still like the concept of an ICOM pcr-1000 on a usb dongle
[21:42] <Laurenceb> its mad paying so much for something that could be built for ££10
[21:51] <fuzzylugnuts> yep
[21:55] <Laurenceb> I wonder if radio hams would be interested in something like that
[21:55] <Laurenceb> hmm
[21:55] <Laurenceb> if it was packaged with an easy to use gui
[21:56] <Laurenceb> might be a good business idea
[21:58] <fuzzylugnuts> sure, give it a try
[21:58] <Laurenceb> takes a bit of development work first
[21:58] <Laurenceb> annoyingly I cant find a suitable integrated VCO/PLL
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[23:42] <Laurenceb> hi edmoore
[23:43] <edmoore> yo
[23:43] <edmoore> sadly about to retire to bed
[23:43] <edmoore> but hi
[23:43] <Laurenceb> sweet dreams :P
[23:44] <Laurenceb> I was taking a look as some of ADs radio ICs
[23:44] <Laurenceb> do you think ham radio types would buy a small usb dongle based scanner?
[23:44] <Laurenceb> business idea of mine :P
[23:45] <Laurenceb> basically an icom in a usb stick
[23:46] <edmoore> it would rock...
[23:47] <Laurenceb> it can be done for <£10 in bulk
[23:47] <Laurenceb> sell it for £50 XD
[23:48] <Laurenceb> mcx header---mna ---IQ mixer ---filter ----PGA ---ADC -- cypress uC
[23:48] <Laurenceb> cypress uC also controlling an integrated PLL/VCO from AD over SPI
[23:48] <Laurenceb> s/mna/lna
[23:49] <Laurenceb> you may be able to integrate it further e.g. ADC on the uC
[23:50] <Laurenceb> any rate with TSSOP or BGA for production if would be microscopically small :P
[00:00] --- Sun Nov 30 2008