highaltitude.log.20060823

[00:01] <kc0wys> so what, someone just happened to see it on the web and called up the media?
[00:02] <kc0wys> b/c that would be pretty sweet
[00:06] malgar2 (n=malgar@adsl-ull-46-135.47-151.net24.it) left irc: "*** E' solo l'urto con un iceberg, che vuoi che sia, questa è una nave inaffondabile. *** 75$/barile"
[00:12] <Tiger^> kc0wys: yeah, that's right
[00:13] <Tiger^> kc0wys: a journalist guy found it himself ;)
[00:16] <kc0wys> oh wow
[00:16] <jcoxon> Tiger^, thats v. cool!
[00:16] <kc0wys> that definitely wouldn't happen here
[00:19] <Tiger^> yeah
[00:20] <Tiger^> the downside is that i can hardly type via ssh
[00:21] <jcoxon> hehe, lots of traffic?
[00:21] <Tiger^> 'cause of the load on my link
[00:21] <Tiger^> and it's 01:20 am!
[00:22] <jcoxon> oh yeah :-D
[00:22] <jcoxon> hows the job hunting going?
[00:25] <Tiger^> yeah it's on my private host with 256k of upstream
[00:26] <Tiger^> it takes fscking ten seconds to transmit one letter
[00:26] <Tiger^> jcoxon: not so good :/
[00:27] <Tiger^> i should put up a "will release weather balloons for food" sign ;P
[00:27] <jcoxon> oh deear
[00:27] <jcoxon> hehe
[00:28] <Tiger^> ;)
[00:29] <jcoxon> well i'm sure something will come up soon
[00:29] <jcoxon> right, i'm off to bed - got lots of coding to do tomorrow :-D
[00:29] <jcoxon> Nomad is definitly going for a trip on her own
[00:29] <jcoxon> night all
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[08:41] Action: Tiger^ got slashdotted.
[08:42] <defy--> awesome :D
[08:43] <Tiger^> ;)
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[08:54] <defy--> Tiger^ where abouts?
[08:54] <defy--> well, where on slashdot, i mean :P
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[09:43] <jcoxon> hey all
[10:04] <defy--> hey james
[10:04] <jcoxon> hey defy--
[10:05] <defy--> got the car roaming on its own yet?
[10:05] <jcoxon> thats the plan for today
[10:05] <defy--> sweet
[10:06] <jcoxon> yeah
[10:06] <jcoxon> am worried about just using gps to move
[10:06] <jcoxon> need to some how filter it so that it doesn't get confused with the natural drift of gps
[10:06] <defy--> true =/
[10:09] <jcoxon> just have to get that homebrew laser range find build :-p
[10:09] <jcoxon> built*
[10:35] <jcoxon> hmmmm
[10:36] <jcoxon> steering6.c:(.text+0x494): undefined reference to `sqrt'
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[13:35] <phatmonkey> hi jcoxon
[13:36] <phatmonkey> you probably need #include <math.h>!
[13:36] <phatmonkey> do you want me to code some simple throttle control?
[13:39] <jcoxon> phatmonkey, yeah i've fixed it
[13:40] <jcoxon> it also need -lm in the compile argument
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[15:06] <jcoxon> hey phatmonkey
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[15:08] <phatmonkey> hey
[15:09] <jcoxon> in regards to software
[15:10] <jcoxon> how close are you to a bit of software that can be tested
[15:10] <jcoxon> i'm itching to take nomad outside
[15:10] <phatmonkey> how's servos.c going?
[15:11] <phatmonkey> tell ya what, i'll try and compile what we've got at the moment
[15:11] <jcoxon> well i think its done
[15:11] <phatmonkey> committed?
[15:11] <jcoxon> no
[15:11] <jcoxon> need to check it first
[15:11] <jcoxon> on init it opens the correct device files
[15:11] <jcoxon> then when a position is passed it sends that onto the servo
[15:12] <phatmonkey> feel free to commit any half finished stuff... it's not like it's a live repository
[15:13] <phatmonkey> well this is going to be fun... i'll see if anything compiles
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[15:27] <phatmonkey> hmm, i might move over to normal makefiles
[15:27] <phatmonkey> automake is really screwing everything up
[15:27] <jcoxon> not working then?
[15:32] <jcoxon> well i've been working on some software
[15:32] <jcoxon> though its not as good as your software
[15:32] <phatmonkey> meh, mine's not that good
[15:32] <phatmonkey> it's just that automake is really inflexible
[15:33] <jcoxon> hmmmm
[15:33] <jcoxon> i'm going to need some more sensors onboard
[15:34] <jcoxon> i've worked out a bump sensor based on a gpio and the example char driver
[15:45] <jcoxon> bbl
[16:22] <phatmonkey> hmkay, i think i've squished most of the compile errors
[16:23] <phatmonkey> i'm really tired right now, i'll see if i can do some more later
[16:37] <jcoxon> oh no worries!
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[18:41] <jcoxon> hey all
[18:42] <icez> hey
[18:42] <jcoxon> does anyone know a way to calculate the bearing between 2 points
[18:44] <icez> ln(tan(lat_2 / 2 + pi / 4) / tan(lat_1 / 2 + pi / 4))
[18:44] <icez> i believe
[18:46] <jcoxon> icez, is that ln as in natural logs?
[18:46] <icez> yup
[18:46] <jcoxon> oh right
[18:46] <jcoxon> never seen that eq before
[18:46] <icez> mmm
[18:47] <jcoxon> trying to work the required bearing for a waypoint
[18:48] <icez> there's two formula
[18:48] <icez> one for initial bearing
[18:48] <icez> and the other for final bearing
[18:48] <jcoxon> i want the initial bearing i guess
[18:48] <icez> ok
[18:48] <icez> then wait:P
[18:50] <icez> atan2( sin(delta long) * cos(lat_2), cos(lat_1) * sin(lat_2) - sin(lat_1) * cos(lat_2) * cos(delta long))
[18:50] <icez> delta long = lon_2 - lon_1, of course
[18:53] <jcoxon> thanks icez
[18:54] <icez> pleasures
[18:54] <jcoxon> i've wacked it into my program but will have to wait for a gps lock before i can test it all
[18:54] <jcoxon> not that i doubt you! :-D
[18:54] <icez> lol
[18:54] <icez> well i wouldn't want to be the cause of the next failure
[18:54] <icez> :/
[18:55] <jcoxon> thats the joy of Nomad - no launching :-p
[18:55] <jcoxon> unless it decides to drive off into the sunset :-p
[18:58] <jcoxon> bbl
[19:05] <icez> eh
[19:05] <icez> i think the formula doesn't work
[19:05] <icez> it calculates a 2.3 degree bearing from where I live (in Arizona) to cambridge
[19:06] <icez> :/
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[19:30] <phatmonkey> http://wiki.ukhas.org.uk/code
[19:30] <phatmonkey> jcoxon, C code there
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[19:31] <phatmonkey> that is all tested and working
[19:51] Action: icez looks at the floor
[19:54] Action: phatmonkey looks at the ceiling
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[22:56] <jcoxon> hey all
[23:07] <jcoxon> Tiger^, the slashdotting over?
[23:10] <Tiger^> jcoxon: nope, i had to move the pics to another server :)
[23:12] <jcoxon> wow
[23:14] <jcoxon> brb
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[00:00] --- Thu Aug 24 2006