[00:04] <jcoxon> hehe i'm looking at pics of people i was out in africa with trying to launch balloons in antartica
[00:05] <jcoxon> "waiting till the temp rises from -40 to -20"
[00:05] <jcoxon> hehe
[00:08] <defy> youch
[00:10] <rocketboy> brrrr
[00:10] <rocketboy> gotta go to sleep now C U guys later
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[00:40] <phatmonkey> kc0wys!
[00:41] <phatmonkey> Launch Status: LOST heading northeast -- LOCAL SIGHTINGS REPORTED!!!
[00:41] <phatmonkey> have people seen it or what?
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[01:20] <kc0wys> phatmonkey: yes
[01:21] <kc0wys> phatmonkey: the person i was working with this summer at the university lives in the neighboring state, which i launched from, and said that his father saw it in the air that same morning
[01:21] <kc0wys> phatmonkey: i assume that more people saw it, since it must have been visible for quite a distance
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[08:39] <jcoxon> hehe, solved my radio modem issue without actually doing anything
[08:39] <jcoxon> woke up and realised that one of the sockets was plugged into the wrong pin
[08:39] <jcoxon> haha
[08:43] <icez> :/
[08:43] <icez> sleep is the key to all problems
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[20:00] <rocketboy> hey jcoxon
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[21:48] <jcoxon> hey all
[21:48] <jcoxon> hey walters, welcome to #highaltitude
[21:49] <walters> thanks
[21:50] <walters> so, I noticed you've all been (working towards) launching baloons, cool.
[21:50] <jcoxon> yup
[21:50] <jcoxon> any interest?
[21:50] <walters> I'm working on a gumstix based datalogger for motorcycles.
[21:50] <jcoxon> oh cool
[21:50] <walters> I'm encountering a lot of the same issues, hence found the channel.
[21:51] <jcoxon> well actually this is the place to be for gumstixs
[21:51] <jcoxon> tis a particular favourite of ours
[21:51] <walters> Excellent !
[21:51] <walters> I also implemented your trick for namespace change on the pcmcia side to get the serial to work
[21:51] <jcoxon> oh excellent
[21:51] <jcoxon> glad that still works
[21:51] <walters> Unfortunately not with the same level of success.
[21:52] <jcoxon> oh
[21:52] <jcoxon> can i help?
[21:52] <walters> Namespace change works fine, (even withour busybox complaining on console).
[21:52] <walters> However the issue has probably to do with my audiovox gprs card.
[21:53] <jcoxon> what exactly is the issue?
[21:53] <walters> well, I'd appreciate any pointers on the subject of molding the gumstix into what I want.
[21:53] <walters> so, yes !
[21:53] <walters> The serial_cs seems to be loading correctly
[21:54] <walters> the uart is 'recognized' as a 16450
[21:54] <walters> however, I'm not so sure it is actually a 16450, it might be a 16550A
[21:54] <jcoxon> so does the device file appear in /dev ?
[21:55] <walters> the symptom is that when I use microcom to prod ttyS0 it doesn't respond.
[21:55] Action: jcoxon has to refer to his website to remember
[21:55] <walters> just a sec, I'll insert the pcmcia...
[21:56] <walters> inserted.
[21:56] <jcoxon> one question - are both serial_cs and 8250 drivers loading?
[21:56] <walters> no, I only see serial_cs now
[21:57] <walters> dmesg gives me the following:
[21:57] <walters> pccard: PCMCIA card inserted into slot 0
[21:57] <walters> pcmcia: registering new device pcmcia0.0
[21:57] <walters> 0.0: ttyS0 at I/O 0xc4860400 (irq = 49) is a 16450
[21:58] <jcoxon> oh right
[21:58] <jcoxon> that looks promising
[21:58] <jcoxon> and then do you use minicom?
[21:58] <walters> microcom says: /dev/ttyS0 not responding
[21:59] <jcoxon> i'm a fan of kermit (or wermit in this case)
[21:59] <jcoxon> one sec
[21:59] <jcoxon> that isn't appropriate :-p
[22:00] <jcoxon> what was the plan to use the gprs modem?
[22:01] <jcoxon> pppd?
[22:01] <walters> google earth kml upload for motorcycle trips
[22:01] <walters> (during)
[22:02] <walters> I'm actually driving off to the north of italy next week ;-)
[22:02] <jcoxon> but what software were you going to use?
[22:02] <walters> I still need to build the thing into the motorcycle.
[22:02] <walters> I'm using gpsd and my own java program to log various things.
[22:02] <jcoxon> and to access gprs?
[22:03] <walters> I'm going the Java route, as I like that a lot
[22:03] <walters> You mean provider or software ?
[22:03] <jcoxon> software
[22:03] <walters> well haven't decided, I mean I can't get the bugger to work ;-(
[22:03] <jcoxon> right well most gprs require AT commands
[22:04] <jcoxon> http://www-128.ibm.com/developerworks/library/wi-enable.html
[22:04] <jcoxon> scroll down to Linux GPRS
[22:04] <jcoxon> pppd will probably be the best route
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[22:05] <walters> nice !
[22:07] <jcoxon> http://tuxmobil.org/pcmcia_cf_anycom_gprs.html
[22:07] <walters> I think my 8250 driver is in the kernel.
[22:08] <jcoxon> hmmmm
[22:09] <walters> Do you know if the 'interrupt' should show up in /proc/interrupts. I noticed it doesn't.
[22:10] <walters> I mean dmesg indicates 'irq = 49'
[22:10] <jcoxon> walters, are you running a custom kernel?
[22:10] <walters> yes.
[22:10] <jcoxon> and specially selected to build 8250 support in
[22:10] <walters> I tried a lot of things, and I think this is indeed what I did last.
[22:11] <jcoxon> actually you must of
[22:11] <walters> Let me check, just a sec.
[22:11] <jcoxon> to get serial_cs
[22:11] <jcoxon> have you tried to "modprobe 8250"
[22:12] <walters> I just looked in my /lib/modules/...../serial, and I only have serial_cs there.
[22:13] <jcoxon> i'm wondering if its best to compile 8250 as a module
[22:13] <jcoxon> so that it can be inserted later
[22:14] <jcoxon> i'm trying to work through in my head what could be wrong
[22:14] <walters> weird, I just looked into my menuconfig and I flagged the '8250/16550 PCMCIA device support' with 'M'
[22:15] <jcoxon> make the main 8250 a module as well if you can
[22:15] <walters> okay, recompiling kernel, just a sec.
[22:15] <jcoxon> no probs
[22:16] <walters> done, transferring now.
[22:20] <walters> over bluetooth, takes a bit of time
[22:23] <walters> done, also updated 8250.ko and serial_cs.ko, just a sec verifying if depmod is right
[22:25] <walters> okay rebooting...
[22:27] <walters> just after boot, pcmcia card not inserted, lsmod already shows 8250 as present.
[22:27] <walters> now inserting card...
[22:28] <walters> same dmesg as before.
[22:28] <walters> lsmod now shows serial_cs using 8250
[22:28] <jcoxon> thats a good sign
[22:28] <jcoxon> what does microcom say?
[22:28] <walters> microcom say exactly the same as before: /dev/ttyS0 not responding.
[22:29] <jcoxon> hmmm could you compile wermit
[22:29] <walters> Just a sec, I'll try socat to redirect console to /dev/ttyS0.
[22:29] <jcoxon> "make kermit" in the buildroot
[22:30] <walters> okay making kermit...
[22:33] <walters> can't find kermit, were is it ?
[22:33] <walters> ah ckermit
[22:34] <jcoxon> but its called wermit
[22:34] <walters> is ckermit the package ? or should i have wermit in the packagelist ?
[22:35] <jcoxon> no no its ckermit
[22:35] <jcoxon> but the binary you want is wermit
[22:35] <walters> okay, making...
[22:36] <walters> made, transferring
[22:37] <jcoxon> hmmm i think this gps module might be broken :-(
[22:38] <walters> nasty, however, they do sell new ones now (they were out of stock for a while).
[22:38] <walters> Just ordered three actually.
[22:39] <jcoxon> oh this a serial module
[22:39] <walters> I also ordered sarantel passiva antenae
[22:39] <walters> hmmm, bugger.
[22:39] <jcoxon> my GPSstix is being kept away from my current project
[22:40] <walters> have wermit ;-)
[22:40] <jcoxon> cool
[22:40] <jcoxon> so go
[22:40] <jcoxon> ./wermit -l /dev/ttyS0
[22:41] <walters> done, it started
[22:41] <walters> have a prompt/
[22:41] <jcoxon> have you used kermit before?
[22:41] <walters> never
[22:41] <walters> ;-(
[22:41] <jcoxon> right well
[22:41] <jcoxon> go
[22:42] <jcoxon> "set carrier-watch off"
[22:42] <jcoxon> and
[22:42] <jcoxon> one sec
[22:43] <walters> okay, that gives me time to quickly learn kermit ;-)
[22:43] <jcoxon> and
[22:43] <jcoxon> "set speed 115200
[22:43] <jcoxon> "
[22:43] <jcoxon> then "connect"
[22:44] <jcoxon> and this should take you to the terminal emulator
[22:44] <walters> so far so good...
[22:44] <walters> whatever I do, I get no echo.
[22:45] <jcoxon> hmm that could be okay still
[22:45] <walters> well I'm typing ATI1
[22:45] <jcoxon> i'm just finding an appropriate AT test command
[22:45] <walters> ATI2
[22:47] <jcoxon> hmmm
[22:49] <walters> oh well, you've given me a tool to try. I mean with Kermit in hand I may find the cause.
[22:49] <jcoxon> the thing is that kermit will always open
[22:49] <jcoxon> its not fussy
[22:49] <walters> Did you use jamvm with any of the balloons ?
[22:49] <jcoxon> no
[22:49] <jcoxon> i use C and Perl and shell scripts
[22:50] <jcoxon> have a look at that link i sent you (from IBM)
[22:50] <walters> okay.
[22:50] <jcoxon> perhaps its necessary to get pppd as well
[22:50] <jcoxon> and then it'll "just work"
[22:50] <walters> okay, I'll try my luck, thanks for the help, a beer is owed ;-)
[22:51] <jcoxon> hehe no problem
[22:51] <jcoxon> if you get it working stick a guide on the net!
[22:51] <walters> yep, I will.
[22:52] <walters> However, (taking a bit of distance) the gprs through cf is not my prefered solution
[22:52] <jcoxon> i hate CF
[22:52] <jcoxon> especially on the gumstix
[22:52] <jcoxon> i personal stay clear of it
[22:52] <walters> I want to get it working through bluetooth.
[22:52] <jcoxon> gprs?
[22:52] <walters> yeah, I agree. Today I heard they are launching wifi+cf card
[22:52] <walters> new
[22:53] <jcoxon> i'm an enormous fan of serial ports
[22:53] <walters> yes, the idea is simple, somone owning this tracker in his/her motorcycle simply doesn't require it to be on-line all the time.
[22:53] <jcoxon> hence my current project with the good old waysmall
[22:53] <jcoxon> http://www.pegasushabproject.org.uk/nomad/
[22:53] <walters> incidental connection is sufficient.
[22:54] <jcoxon> walters, well i could easily do it with a normal gsm phone and a serial port/bluetooth
[22:54] <jcoxon> though the upload speed wouldn't be great
[22:54] <walters> you a r e kidding.
[22:54] <jcoxon> however kml is pretty simple
[22:54] <walters> I mean, I just hooked up opencv through jni
[22:55] <jcoxon> ?
[22:55] <walters> stereo vision = opencv ;-)
[22:55] <walters> sorry I get ahead of myself...
[22:56] <defy> morning guys
[22:56] <jcoxon> evening defy
[22:56] <walters> I read the first lines of your current interest and soomed in on the 'stereo picture' line.
[22:56] <walters> goodmorning
[22:56] <walters> I have an interest in computer vision and I'm working towards a gumstix based stereo camera myself.
[22:57] <jcoxon> hehe steropics
[22:57] <walters> Postprocessing on desktop using opencv.
[22:57] <walters> I got quite a bit working already.
[22:57] <jcoxon> oh right
[22:57] <jcoxon> well i'm working on a system to measure cloud tops
[22:57] <walters> Currently not using gumstix though, using foxboard (etrax based), see www.acmesystems.it.
[22:57] <jcoxon> and so if i can stabalise the payloads i can take steropictures with large seperations
[22:58] <jcoxon> yeah i've seen foxboards
[22:58] <walters> Combined with cheap ov519 jpeg camera
[22:58] <jcoxon> usb
[22:58] <jcoxon> :-D
[22:58] <jcoxon> then some how work out the cloud top altitude
[22:58] <walters> usb = cf ;-) = ratoc
[22:58] <jcoxon> from my own and the angles
[22:58] <jcoxon> walters, oh no
[22:58] <jcoxon> no no no no
[22:58] <walters> no ?
[22:58] <jcoxon> i don't think anyone has got it working!
[22:59] <defy> one person has
[22:59] <jcoxon> there was lots of chat about it
[22:59] <walters> ahaaaaa !
[22:59] <defy> but noone can reproduce it :P
[22:59] <jcoxon> tis black magic
[22:59] <jcoxon> much like radios
[22:59] <defy> i always bought one
[22:59] <defy> untill i saw all that talk on the lists
[23:00] <walters> Okay, well I'm comitted, just ordered two from expansys
[23:00] <defy> jcoxon sorry if im a little late you may have already mentioned but ar eyou going to try do video from the buggy?
[23:00] <jcoxon> defy, well its not in the plan
[23:00] <jcoxon> if there was actually a plan
[23:00] <defy> hehe
[23:00] <jcoxon> and i wasn't just cobbling things together as i find them
[23:01] <defy> i wanted video for my little gps roamer, but the best i've got is 160x120 at about 1fps
[23:01] <jcoxon> yeah
[23:01] <jcoxon> i feared that
[23:01] <jcoxon> well the radio modems are now working well
[23:02] <defy> cool
[23:02] <jcoxon> and hte gps has buggered up
[23:02] <jcoxon> i think it might be broken
[23:02] <jcoxon> it doesn't output any data
[23:02] <defy> i think it was the old 2.6.11 kernel buildroot that the ratoc worked with
[23:03] <walters> allright, will investigate !
[23:04] <walters> by the way, do you guys know of any other way than usb to get a camera hooked up
[23:04] <jcoxon> ethernet
[23:04] <phatmonkey> hey all
[23:05] <jcoxon> there was also chat of an fpga
[23:05] <walters> well, I was thinking ov sccb + fifo, but didn't find anything yet.
[23:05] <jcoxon> i think
[23:05] <defy> im using a serial camera, but its pretty slow
[23:05] <defy> and low res
[23:05] <walters> Yeah, I found the vhdl stuff for 'sccb' fixed setup, but I didn't really find a 'completed' project.
[23:08] <jcoxon> hmm this gps is driving me mad
[23:08] <jcoxon> its got a lock so must actually work
[23:12] <rocketboy> hey guys - I have been doing some work with algorithems to predict the landing spot of a balloon payload
[23:13] <jcoxon> oooo cool
[23:14] <rocketboy> I used (just) the peg III ascent data and predicted the landing spot within a couple of hundred meters
[23:14] <jcoxon> oh wow
[23:14] <rocketboy> its a really simple algorithem
[23:15] <rocketboy> need to profile the coefficnt of drag for the parachute+payload accuratly
[23:15] <rocketboy> but you can get that form previous flight data
[23:15] <rocketboy> I'm amazed - I need to try a couple of flights worth of data
[23:16] <jcoxon> well peg I data is also avaliable
[23:16] <rocketboy> jcoxon did you use the same chute for peg 1 as for 3?
[23:16] <jcoxon> ummmmm
[23:16] <jcoxon> one sec i'll check
[23:16] <jcoxon> yup
[23:16] <phatmonkey> hmm
[23:16] <jcoxon> same make and size
[23:17] <rocketboy> do you know the relative weight differences
[23:17] <phatmonkey> i need to figure out what sort of efficiency i can get out of the glider
[23:17] <jcoxon> though we did lose peg I chute on the peg II launch
[23:17] <phatmonkey> then i'll know how far it can travel and change its course appropriately
[23:17] <jcoxon> rocketboy, pretty similar
[23:17] <rocketboy> ok - the same model is good
[23:18] <rocketboy> do you know the weights of 1 and 3
[23:18] <jcoxon> 1kg for 1
[23:18] <jcoxon> 1.2kg of 3
[23:18] <jcoxon> i think
[23:18] <rocketboy> ah excellent
[23:18] Action: jcoxon nearly throws the stupid gps unit across the room
[23:19] <rocketboy> I'll plug that into my spreadsheet
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[23:40] Action: jcoxon starts to dissemble the gps
[00:00] --- Sat Aug 19 2006