highaltitude.log.20100116

[00:02] <SpeedEvil> Is there a linux flasher for serial?
[00:02] <SpeedEvil> though the serial protocol looks like a piee of piss
[00:02] <Laurenceb> Randomskk: yeah - jtag is annoying
[00:02] <Laurenceb> I managed to get it to work on LPC
[00:02] <Randomskk> yea
[00:02] <Laurenceb> eventually
[00:02] <Randomskk> http://github.com/randomskk/ SkeletonProject has the entire build environment though I think the makefile has a few bugs
[00:02] <Laurenceb> thanks
[00:02] <Randomskk> but Robot4/SensorTest has a fully working setup with code for SPI and UART etc
[00:03] <Randomskk> both include working openocd scripts and also "stm32loader.py" which is the linux python serial loader
[00:03] <Laurenceb> lol @ iot
[00:03] <Randomskk> s/the/a, the author is in the file
[00:03] <Randomskk> found it somewhere
[00:03] <Laurenceb> Randomskk: nice work
[00:04] <Laurenceb> loader = bootloader
[00:04] <Randomskk> yes
[00:04] <Randomskk> be sure to check the BOOT0 pin which selects whether the bootloader or user code is run at startup
[00:04] <Laurenceb> yeah
[00:04] <Laurenceb> http://github.com/randomskk/STM32_SkeletonProject/tree/master/jtag/
[00:05] <SpeedEvil> I looked at the security protection a while back
[00:05] <SpeedEvil> looks sane
[00:05] <Laurenceb> so from there only the py script is needed when using serial?
[00:05] <Randomskk> yes
[00:05] <Laurenceb> I get it
[00:05] <SpeedEvil> no clearly obvious holes that let you read out stuff you shouldn't on serial
[00:05] <Randomskk> the makefile will run the script for you, too, as well as compiling everything etc
[00:05] <Randomskk> but otherwise it's simple
[00:06] <Laurenceb> thanks - these things are so much faster to work out when you know the basics
[00:06] <Randomskk> like -v for verify, some other flag to specify the binary file to read
[00:06] <Laurenceb> rather than stumbling about in the dark trying to setup everything :P
[00:06] <Randomskk> yup
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[00:06] <Randomskk> I spent ages stumbling about in the dark, but this was over a year ago when community resources on using the stm32s were few and far between
[00:06] <Randomskk> my first stm32 project didn't have boot0 broken out because I didn't actually know the bootloader existed
[00:07] <Laurenceb> yeah - took me about a week to put together just the equivalent of /master/jtag/
[00:07] <Laurenceb> for LPC
[00:07] <Laurenceb> and lots of headaches :P
[00:07] <Laurenceb> have you seen the ST forum?
[00:07] <Randomskk> yea
[00:08] <Randomskk> a significant amount of the build environment is derived from lanchon's work
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[00:13] <Laurenceb> Randomskk: so what do I need to install?
[00:13] Nick change: jasonb__ -> jasonb
[00:13] <Randomskk> some kind of compiler essentially
[00:13] Nick change: \mct -> mct
[00:13] <Laurenceb> heh
[00:13] <Randomskk> if you clone my build environment it has a makefile and the ST library, plus a makefile for the ST library
[00:13] <Randomskk> and that's the ST peripheral libary, the CM3 startup library set up for an STM32, and the ST USB library as an optional thing to link in
[00:13] <Laurenceb> neat
[00:14] <Laurenceb> so I need to install codesourcery as well?
[00:14] <Randomskk> I use the codesourcery gcc "lite" which is basically just the command line tools and is free
[00:14] <Randomskk> yea.
[00:14] <Laurenceb> awesome XD
[00:14] <Laurenceb> another question - do you have STM32 eagle parts?
[00:14] <Randomskk> I would probably clone Robot4/SensorTest and work from there, it's definitely working, while I think SkeletonProject has a couple of little makefile bugs
[00:14] <Randomskk> yea, somewhere
[00:15] <Randomskk> but just google "stm32.lbr", they are on the eagle site
[00:15] <Laurenceb> ah ok - saw that
[00:16] <Laurenceb> wasnt sure how many it included
[00:16] <Randomskk> you could make your own pretty easily if you wanted - eagle "refpackages" library has tqfp64, 100, etc and you'd just need to put down a schematic symbol
[00:16] <Laurenceb> yeah
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[00:19] <Laurenceb> http://uk.farnell.com/olimex/stm32-p103/kit-dev-st-arm-cortex-m3-board/dp/1701513
[00:19] <Randomskk> they are okay
[00:19] <Laurenceb> I might get one of those for general playing about
[00:19] <Randomskk> personally I don't like olimex's dev board style
[00:20] <Randomskk> too much stuff onboard
[00:20] <Randomskk> I'm playing with https://randomskk.net/u/pics/stm32db_r2.png which is a tiny little pcb for the 64pin vesion, mostly
[00:21] <SpeedEvil> I wish they had littler packages with sdram controllers on.
[00:21] <Randomskk> yea.
[00:24] <Laurenceb> yeah, simple "stamp" modules are nice
[00:24] Nick change: russss_ -> russss
[00:25] <Laurenceb> oh well I've gtg
[00:25] <Laurenceb> thanks for the help
[00:25] <Randomskk> no problem
[00:25] <Randomskk> seeya
[00:25] <SpeedEvil> wave
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[09:49] <jcoxon> morning all
[09:49] Action: jcoxon begins his BH4 build weekend - yay!
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[10:25] <jcoxon> morning Laurenceb
[10:25] <Laurenceb> hi
[10:26] <jcoxon> just about to rig up the ballast sensor
[10:29] <Laurenceb> you mean the rev counter?
[10:29] <jcoxon> yeah
[10:29] <jcoxon> on my list of jobs for the day
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[11:59] <Laurenceb> Randomskk: about?
[12:01] <Laurenceb> make: arm-none-eabi-gcc: Command not found
[12:01] <Laurenceb> :-/
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[12:08] <Laurenceb> oh fixed it
[12:08] <Laurenceb> the codesourcery tutorial is for the full version file names are different
[12:09] <Laurenceb> oh yeah
[12:09] Action: Laurenceb has a STM32 binary
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[13:00] <jcoxon> ping Laurenceb
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[14:18] <Laurenceb> hi jcoxon
[14:19] <Laurenceb> sorry was cooking, I'm around now
[14:31] <Laurenceb> http://aeroquad.info/bin/view/Main/BuildInstructions_v11
[14:31] <Laurenceb> ^ quite impressive to pull that off with tarduino
[14:38] <jcoxon> hey Laurenceb i was wondering what hte procedure is if a lassen ain't getting a lock
[14:38] <jcoxon> should you leave it for a period of time unpluggeD?
[14:38] <Laurenceb> thats one solution
[14:38] <Laurenceb> 90 seconds with no backup bat
[14:38] <Laurenceb> or send a reset command
[14:39] <Laurenceb> theres code on the wiki for that
[14:39] <jcoxon> okay cool
[14:39] <jcoxon> actually i've finally got 1 sat
[14:39] <Laurenceb> heh
[14:39] <Laurenceb> its much better with a battery
[14:39] <jcoxon> yeah i've got one
[14:39] <jcoxon> but i suspect this gps thinks its in france :-p
[14:39] <Laurenceb> but yeah it can get screwy ephemeris from noise
[14:40] <Laurenceb> it should be able to cope fine with that
[14:40] <Laurenceb> its being run for hours in noisy environments with no sats that causes it to start recording junk as sat data
[14:40] <jcoxon> well i'll leave it for a bit, its indoors and its cloudy outside
[14:41] <jcoxon> bbiab
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[15:44] <Laurenceb> be back this evening
[15:44] Nick change: Laurenceb -> Laurenceb_away
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[16:37] <jcoxon> hey edmoore
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[16:55] <edmoore> jcoxon: hi
[17:19] <jcoxon> hey edmoore, sorry was distracted
[17:20] <jcoxon> am back
[17:20] <edmoore> that's what they all say when they switch firefox into private browsing mode
[17:20] <jcoxon> hehe
[17:20] <edmoore> jcoxon: TwoUp - the nearest thing to xmonad for OSX. Free and quite useful
[17:21] <jcoxon> i'm a big fan of apple-tab
[17:22] <edmoore> i love this thing for side-by-side vim and preview when i'm doing latex
[17:22] <jcoxon> hows it going then?
[17:23] <jcoxon> didn't you have a report due in recently?
[17:23] <edmoore> yep, yesterday
[17:23] <jcoxon> cool cool
[17:23] <edmoore> was fine. nice to have a slower weekend
[17:23] <edmoore> how are things going?
[17:23] <jcoxon> yeah i'm in my BH4 build weekend
[17:24] <edmoore> ah cool
[17:24] <edmoore> how is day 1 going?
[17:24] <jcoxon> yeah good thanks - have sorted temp sensors, photocell and just setup the transistor/relay to control the pump
[17:30] <edmoore> grand. i'm just in lond.
[17:30] <jcoxon> oh cool
[17:30] <jcoxon> up for the weekend?
[17:32] <edmoore> just drove in. tis tess's bday, she's just booking restaurants etc
[17:32] <edmoore> back in 3 mins
[17:32] <jcoxon> oooo have a nice evening then :-)
[17:42] <edmoore> bk
[17:42] <edmoore> just had to move car 10 yards down the road because of parking silliness
[17:42] <jcoxon> i hate parking silliness
[17:42] <jcoxon> i have the same sort of problem
[17:43] <jcoxon> edmoore, http://www.flickr.com/photos/jcoxon77/4279458168/
[17:44] <edmoore> very nice!
[17:47] <jcoxon> yay, finally a lock with my lassen
[17:47] <jcoxon> taken quite a long time
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[20:26] <jcoxon> evening natrium42
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[21:55] <jcoxon> oooo Hackers on Virgin1 - old school!
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[22:07] Nick change: Laurenceb_away -> Laurenceb
[22:07] <Laurenceb> back :D
[22:08] Action: Laurenceb has been making kitchen units
[22:08] <Laurenceb> managed to put a couple together using cheap chipboard and fixings from the bargain bin at B&Q :D
[22:09] <Laurenceb> using router bits and a handheld drill to mill out the right holes
[22:09] <jcoxon> hehe
[22:09] <Laurenceb> unfortunately the technique doesnt work so well for solid wood doors
[22:10] <jcoxon> doors are suprisingly hard
[22:10] <Laurenceb> too much vibration and everything ends up being elliptical
[22:10] <SpeedEvil> jcoxon: naah.
[22:10] <SpeedEvil> jcoxon: nice looking doors are hard.
[22:10] <SpeedEvil> 18mm sheet of ply, circular saw, 5 mins will get you a door.
[22:10] <Laurenceb> friend of my stepdad makes solid wood kitchens for a living - I'll ask him for some help I think :p
[22:11] <SpeedEvil> I have in my shed a door kit.
[22:11] <Laurenceb> bench drill + router bits should solve the issue
[22:11] <SpeedEvil> Which started out as a falling apart door.
[22:11] <SpeedEvil> And needs reassembly.
[22:11] <SpeedEvil> making profiles with a router is fun.
[22:12] <SpeedEvil> I think I ended up with 12 passes for one.
[22:13] <Laurenceb> Ive got an interesting door problem actually
[22:14] <Laurenceb> solid wood frame needs a recess milling for a seal strip
[22:14] <Laurenceb> but theres not enough room to get a router into the corners
[22:14] <Laurenceb> was thinking of dremel + angle aluminium guide or something
[22:15] <SpeedEvil> Chisel
[22:15] <Laurenceb> hmm that would be fun
[22:16] <SpeedEvil> for the edgey bits anyway. It's not too bad.
[22:16] <SpeedEvil> Or do you have one of these:
[22:16] <Laurenceb> I want to avoid horrible stormguard stuff at any cost
[22:16] <SpeedEvil> http://www.google.com/search?ie=UTF-8&oe=UTF-8&sourceid=navclient&gfns=1&q=bosch+pmf180e
[22:17] <SpeedEvil> which is handy
[22:17] <Laurenceb> nice
[22:18] <Laurenceb> http://www.doorseals.com.au/images/application_images/app4_2.jpg
[22:19] <Laurenceb> the photo on the right is basically what I want to do
[22:19] <Laurenceb> where the bottom bit is the door
[22:19] <Laurenceb> so its not trivial to get the right rebate in the frame
[22:20] <SpeedEvil> Alternative.
[22:21] <SpeedEvil> The bit you are wanting to seal against may be a trim bit applied against a larger timber.
[22:21] <SpeedEvil> If you remove it, it's then trivial
[22:22] <Laurenceb> the problem is the door is warped
[22:22] <Laurenceb> so I cant seal against the face
[22:22] <Laurenceb> and the frame is smaller than standard - I dont want to make it any narrower
[22:23] <Laurenceb> new timber frames have seals similar to the one I linked, and I can buy replacement seal on a roll
[22:24] <SpeedEvil> I need to source some similar crap at some point in the nearish future.
[22:24] <SpeedEvil> But for window seals and kit.
[22:24] <Laurenceb> so I want to mill out and fit the seal strip
[22:27] <SpeedEvil> you want quite a deep narrow groove then?
[22:28] <Laurenceb> about 8mm wide and 5mm deep
[22:28] <Laurenceb> with a smaller 2mm wide and 3mm deep groove in the middle
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[22:30] <SpeedEvil> http://cgi.ebay.co.uk/SOLID-CARBIDE-TUNGSTEN-BURS-FOR-DREMEL-PROXXON-No-24_W0QQitemZ270129329761QQcmdZViewItemQQptZUK_Home_Garden_PowerTools_SM?hash=item3ee4f67661
[22:30] <SpeedEvil> I have some of these sorts of bits - and they work well for this sort of thing
[22:30] <SpeedEvil> but are quite slow
[22:30] <SpeedEvil> you can't put it in hte door?
[22:30] <Laurenceb> maybe, yeah
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[22:31] <Laurenceb> do those bits cut rather than sand?
[22:31] <SpeedEvil> the one I have is a bit more aggressive than that.
[22:32] <SpeedEvil> It's called a 'christmas tree' bit - or that's how it was sold
[22:32] <SpeedEvil> aha
[22:32] <SpeedEvil> think pineapple. But shiny, and rotating at 38000RPM
[22:32] <Laurenceb> thing is the frame is pitch pine - its hard enought to cut, you wont have much luck sanding it
[22:32] <Laurenceb> or any tool that gets too hot - too much resin
[22:33] <SpeedEvil> why do you need a groove down the middle?
[22:33] <Laurenceb> to locate the strip
[22:34] <Laurenceb> http://www.doorseals.com.au/images/application_images/app4_2.jpg
[22:34] <Laurenceb> rhs diagram
[22:34] <SpeedEvil> oh - right - missed that bit
[22:34] <SpeedEvil> and that small slots dimension is going to be quite critical or it won't fit or will be loose.
[22:34] <Laurenceb> thats basically what I'm planning on
[22:35] <Laurenceb> yes
[22:35] <SpeedEvil> The big slot is quite easy to do with a number of methods.
[22:35] <SpeedEvil> though annoying.
[22:35] <SpeedEvil> chisel will work.
[22:35] <SpeedEvil> but the little one is damn near impossible
[22:36] <Laurenceb> I'm thinking router bits on a dremel with some sort of guide
[22:36] <SpeedEvil> I think 'router' bits on a dremel, with an improvised slide is about as good as you get
[22:36] <Laurenceb> to keep the dremel aligned correctly
[22:36] <SpeedEvil> with the dremel at 45 degrees
[22:36] <Laurenceb> yeah I've got a chinese "dremel" with a flexi cable
[22:37] <Laurenceb> I'll look at making a slide/guide for it
[22:38] <Laurenceb> natrium42: ping
[22:39] <SpeedEvil> Where are you seeing the strip btw?
[22:41] <Laurenceb> what do you mean?
[22:42] <SpeedEvil> the seal strip - what vendors?
[22:42] <Laurenceb> oh local timber merchant
[22:42] <SpeedEvil> ah
[22:43] <Laurenceb> not sure where they get it from - it comes with prefabricated frames, but they let me have a load of the strip on a roll as I know them personally
[22:44] <Laurenceb> this is interesting - http://www.rcgroups.com/forums/showthread.php?t=1066119&page=64
[22:45] <Laurenceb> tho lots of pages
[22:46] <SpeedEvil> octocopter or so would be interesting if done right.
[22:46] <SpeedEvil> As it's got redundancy
[22:46] <Laurenceb> personally I'm more interested in modifying RTF electric planes
[22:47] <Laurenceb> theres more you can do with them
[22:47] <SpeedEvil> debatable - but fair enough.
[22:50] <Laurenceb> well long flights etc
[22:50] <SpeedEvil> yeah.
[22:51] <Laurenceb> oh I got STM32 code compiling - with Randomskks assistance :D
[22:51] <SpeedEvil> long flights are one thing copters can't easily do
[22:51] <SpeedEvil> :)
[22:51] <Laurenceb> will definately go for a STM32 based autopilot board now
[22:51] <Laurenceb> I need to try out hot wire airspeed sensing and get a working toaster reflow oven first tho
[22:52] <Laurenceb> thinking a cheap toaster on its side with minimal modifications
[22:53] <SpeedEvil> small ovens are really cheap
[22:54] <SpeedEvil> http://cgi.ebay.co.uk/7L-Mini-Oven-Grill-and-Toaster_W0QQitemZ110365721122QQcmdZViewItemQQptZUK_HGKitchen_SmallApp_RL?hash=item19b24f4222
[22:54] <SpeedEvil> Brother has just been experimenting with a small induction hob from ebay
[22:54] <SpeedEvil> 30 quid + 10m of copper wire = something that can heat steel quite well indeed.
[22:57] <Laurenceb> I was worried about how accurately you can follow a recommended profile
[22:58] <Laurenceb> with one of those ovens with a lot of thermal mass
[22:59] <Laurenceb> bbl
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[23:10] <SpeedEvil> http://haiti.openstreetmap.nl/?zoom=14&lat=18.54404&lon=-72.32648&layers=B0TTFF
[23:10] <SpeedEvil> Since the event - with the aid of newly available imagery.
[23:21] <jcoxon> wow
[23:24] <SpeedEvil> The data for haiti is now - over a few days - as large as that for iceland - in 4 years.
[23:25] <SpeedEvil> concentrating on being able to have say a map downloadable to a phone with tents and broken roads marked
[23:26] <jcoxon> i'm quite interested in disaster management - once i qualify might get involved
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[23:27] <MikeMc> evening
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[23:28] <jcoxon> hey MikeMc
[23:30] <MikeMc> hi James
[23:30] <MikeMc> How are you ?
[23:30] <jcoxon> good thanks, you?
[23:30] <MikeMc> I'm fine thanks
[23:31] <jcoxon> hows the payload?
[23:32] <MikeMc> On hold at the moment
[23:33] <MikeMc> Till business calms down a bit and I have more free time
[23:33] <MikeMc> Hopefully will have some time next weekend
[23:33] <jcoxon> well, i'm glad the business is going well
[23:34] <MikeMc> yeah can't complain
[23:34] <MikeMc> Did you get your chips?
[23:34] <MikeMc> Postal service is real slow lately
[23:35] <jcoxon> yes thanks, running the 328 right now on my flight computer
[23:35] <MikeMc> cool
[23:36] <MikeMc> Hope you can make use of the 168's somehow
[23:36] <jcoxon> oh i will, going to use one on the backup beacon
[23:36] <MikeMc> good
[23:41] <Laurenceb> SpeedEvil: wow
[23:41] <Laurenceb> whats the differnet data?
[23:41] <Laurenceb> aid distribution points anmd stuff?
[23:42] <SpeedEvil> the crosses are collapsed buildings.
[23:42] <SpeedEvil> the red boxes with white /\ on are tents
[23:43] <Laurenceb> I see
[23:43] <Laurenceb> presumably they distribute aid to each tent location/camp
[23:45] <SpeedEvil> well - this is a community effort solely based around the map
[23:45] <SpeedEvil> so it'd be used by those ohnt he ground perhaps.
[23:57] <Laurenceb> aha perfect
[23:57] <Laurenceb> http://www.ngdc.noaa.gov/geomag/WMM/soft.shtml
[00:00] --- Sun Jan 17 2010