#raspberrypi IRC Log


IRC Log for 2013-02-24

Timestamps are in GMT/BST.

[0:00] <KiltedPi> I'm not sure where to put the module tho
[0:00] <KiltedPi> Where do python modules go usually?
[0:00] <tdy_> the package manager does that for you
[0:00] <tdy_> you just import it in your script
[0:00] <KiltedPi> it says no module named pygame weird huh
[0:00] <KiltedPi> wonder if its called pygame2.0 or whatever
[0:01] <ShiftPlusOne> have you checked if it's available though apt and installed it?
[0:01] <pksato> lastes version of pygame is 1.9.1
[0:03] * user82 (~user82@unaffiliated/user82) Quit (Quit: Verlassend)
[0:03] <KiltedPi> Yeah solution here : http://www.raspberrypi.org/phpBB3/viewtopic.php?f=32&t=13032
[0:04] <pksato> and have a pygame 1.9.x to python 3.3
[0:06] <KiltedPi> weird
[0:06] <KiltedPi> still no joy. :(
[0:06] * hyperair (~hyperair@ubuntu/member/hyperair) has joined #raspberrypi
[0:06] <KiltedPi> Raspbian is meant to contain pygame 3 by default as well
[0:06] <KiltedPi> urgh
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[0:06] <treeherder> if you want to use
[0:06] <treeherder> python3
[0:06] <treeherder> type "python3"
[0:07] <treeherder> "python3 somegame.py"
[0:07] <tdy_> raspbian comes with pygame for python2 by default
[0:07] <ohhmaar> tdy_ disregard what i said. so i have the external hdd plugged in and the only thing showing up is file system
[0:07] <treeherder> use piup to starighten yourself out
[0:07] <tdy_> i doubt it comes with the python3 pygame by default
[0:07] <treeherder> it works
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[0:07] <KiltedPi> piup?
[0:08] <tdy_> i think he means pip
[0:08] <KiltedPi> pip?
[0:09] <tdy_> a python package manager.. i dunno if i personally recommend that for new users
[0:09] * nplus (~chatzilla@unaffiliated/simont) Quit (Ping timeout: 244 seconds)
[0:09] * SimonT is now known as nplus
[0:09] <KiltedPi> has anyone got pygame working?
[0:09] <pksato> python3 and pygame to py3.3 are on Debian experimental (rc-buggy) tree.
[0:09] <KiltedPi> :/
[0:10] <KiltedPi> Ah. how do i uninstall the thing and re-install 2.7 then?
[0:10] <KiltedPi> How do you uninstall anything in linux in fact!
[0:10] <Nik05> linux is a kernel
[0:10] * Paraxial (~paraxial@host109-151-172-14.range109-151.btcentralplus.com) has joined #raspberrypi
[0:10] <Nik05> it doesnt install or uninstall
[0:11] <ShiftPlusOne> actually linux is just a name for the kernel, it doesn't 'do' anything at all.... and so on
[0:12] <treeherder> using aptitude
[0:12] <treeherder> or apt
[0:12] <treeherder> you can apt-get autoremove
[0:12] <treeherder> or apt-get purge
[0:12] <pksato> How do to uninstall on Debian? or How do to uninstall on Magea? and so on
[0:12] <KiltedPi> Thing is, It SHOULD work
[0:12] <treeherder> i would not reccomend trying to install or uninstall python
[0:13] <KiltedPi> I mean, the problem, essentially is python isn't finding the module
[0:13] <treeherder> if you want to install a python module
[0:13] <tdy_> can't py3 be installed side-by-side with py2 on debian? i would hope so
[0:13] <KiltedPi> yes!
[0:13] <KiltedPi> treeherder, halp
[0:13] <treeherder> apt-get install python-pip
[0:13] <tdy_> so you really shouldn't have to uninstall py3 to get pygame working
[0:13] <pksato> tdy_: yes.
[0:13] <treeherder> then pip install <module>
[0:13] <treeherder> use sudo
[0:14] <treeherder> yeah python3 and python2 are side by side on my raspian
[0:14] * ryanteck (~Ryan@fsf/member/Ryanteck) Quit (Read error: Connection reset by peer)
[0:15] <KiltedPi> it says module not found tho
[0:15] <KiltedPi> for the pygame module
[0:15] <KiltedPi> I'm using the magpi example
[0:16] <KiltedPi> so i have the line "import pygame"
[0:16] <KiltedPi> its like, the 1st line in my code! :(
[0:17] * Paraxial (~paraxial@host109-151-172-14.range109-151.btcentralplus.com) Quit (Remote host closed the connection)
[0:18] <tdy_> so you have a file with two lines:
[0:18] <tdy_> #!/usr/bin/python
[0:18] <tdy_> import pygame
[0:18] <KiltedPi> ERM
[0:18] <KiltedPi> whats the first line there, heh?
[0:18] <tdy_> and when you run it, you get pygame module not found
[0:18] <KiltedPi> Its not in the magpi
[0:18] <tdy_> there are lots of magpi issues/examples.. which one are you looking at?
[0:19] <KiltedPi> issue 2
[0:21] <KiltedPi> but yeah. just a file with those two lines-
[0:21] <KiltedPi> generates an error
[0:22] <KiltedPi> AH!
[0:22] <Amadiro> KiltedPi, the "#!" line is required if you want to start the script as "./scriptname.py", it's called a "shebang"
[0:22] <KiltedPi> I found something that says, "Trying to run a .py from IDLE won't work
[0:22] <Amadiro> If you don't have it, you have to start your program using something like "python2 scriptname.py" or "python3 scriptname.py"
[0:23] * linuxstb wishes someone would get round to implementing seeking in transport streams in omxplayer, he now has to wait 15 minutes for the second half of the football game he recorded
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[0:24] <pksato> Python code exemples on The Magpi tested on win7?
[0:24] <tdy_> yea, that seemed weird
[0:26] <pksato> NOTE: For these examples, you will need both Python and Pygame installed on your computer.s LS-
[0:26] <pksato> And RPi is not a computer? :)
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[0:57] <elek> going out on a limb, does anyone have an opensprinkler pi board? im writing some software for it and need a tester
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[1:22] <Ademan> at present is there a way to access GPU memory?
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[1:28] <KiltedPi^> Ugh
[1:29] <KiltedPi^> still don't know why this pygame business is "Module not found"ing
[1:29] <KiltedPi^> I've got the latest version too
[1:29] <KiltedPi^> Think its a bug with 3.3?
[1:29] <KiltedPi^> :/
[1:29] <Ademan> KiltedPi^: how did you install pygame?
[1:29] <KiltedPi^> It was already on my Raspbian image
[1:30] <Ademan> KiltedPi^: and you're using python 3.3?
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[1:30] <KiltedPi^> I get this BASH : "python pygame is already the newest version"
[1:30] <KiltedPi^> So its on there, ya know?
[1:30] <KiltedPi^> But! I have a simple python program that simply says "import pygame"
[1:30] <Ademan> Python 2.7 and Python 3.x keep separate site-packages as far as I know
[1:30] <tdy_> what? what did you type to get that message?
[1:31] <KiltedPi^> trdy_ : apt-get install
[1:31] <KiltedPi^> tdy_*
[1:31] <plugwash> Ademan, python3.3?!
[1:31] <KiltedPi^> what does that mean Ademan?
[1:31] <tdy_> from the command line, type "python2"
[1:31] <KiltedPi^> What should I do?
[1:31] <KiltedPi^> kk tdy_
[1:31] <tdy_> and then from the subsequent prompt, type "import pygame"
[1:31] <plugwash> Ademan, raspbian offers 2.6, 2.7 and 3.2 so if you are using 3.3 it didn't come from us...
[1:31] <Ademan> KiltedPi^: that means that if you are using Python 3.3 then pygame may NOT be installed for it
[1:32] <Ademan> plugwash: sorry, not on my pi that's why I said 3.x, I didn't know :-p
[1:32] <KiltedPi^> 3.2 even, yea
[1:32] <KiltedPi^> thats the one i've gort
[1:32] <KiltedPi^> 3.2.3
[1:33] * rlmccormick (~rlmccormi@99-71-208-36.lightspeed.rcsntx.sbcglobal.net) has joined #raspberrypi
[1:33] <KiltedPi^> It comes back with "No module found for pygame"
[1:33] <KiltedPi^> :/
[1:33] <KiltedPi^> from the prompt i ran from the lxde
[1:33] <KiltedPi^> >>python3
[1:34] <Ademan> KiltedPi^: $ python2 -c 'import pygame'
[1:34] <tdy_> i wrote python2 above
[1:34] <KiltedPi^> Whats the solution?
[1:34] <Ademan> it should output nothing
[1:34] <KiltedPi^> Yeah python2 "command not found"
[1:34] <KiltedPi^> I'm using 3.2.3
[1:34] <Ademan> you should have both
[1:34] <KiltedPi^> the one that came with Raspbian
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[1:34] <tdy_> there isn't "one" that comes with raspbian
[1:34] <tdy_> you use whichever command you tell it to
[1:35] <KiltedPi^> So- download python2?
[1:35] <tdy_> i don't have a raspbian system at hand, so i don't know the exact python2 command
[1:35] <tdy_> maybe it's python2.7
[1:35] <KiltedPi^> it is
[1:35] <KiltedPi^> I've been googling furiously
[1:35] <KiltedPi^> :/
[1:35] <tdy_> i mean the command
[1:36] <rikkib> Linux raspberrypi 3.6.11+ #377 PREEMPT Sat Feb 16 17:31:02 GMT 2013 armv6l GNU/Linux
[1:37] <Ademan> KiltedPi^: python<TAB>
[1:37] <Ademan> you ought to have multiple options
[1:37] <plugwash> It looks like stable releases of pygame don't support python3 and so debian and raspbian don't offer a pygame package for python3
[1:37] <rikkib> Maybe they finally resolved the uvc video bug that has been plaguing motion
[1:37] <KiltedPi^> Yeah, a few options in there after I tabbed
[1:38] <Ademan> KiltedPi^: what are they?
[1:38] * KillmeSoftly (442a185b@gateway/web/freenode/ip. has joined #raspberrypi
[1:39] <KiltedPi^> python, python2.7, python 3, python 3.2, python3.2mu, python3mu
[1:39] <Torikun> oi
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[1:40] <Ademan> KiltedPi^: use python2.7 and run 'import pygame' it should work
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[1:40] <KiltedPi^> okay, so it will work always, like find the module?
[1:40] <KiltedPi^> Even if i run the file from my IDLE editor?
[1:41] <KiltedPi^> YAY!
[1:41] <KiltedPi^> Ademan wins the internet!
[1:41] <KiltedPi^> It works!
[1:41] <KiltedPi^> Thanks so goddamn much
[1:42] <KiltedPi^> I rly mean that!
[1:42] * wiiguy (~fake@unaffiliated/wiiguy) Quit (Quit: I just broke my connection, but no worries, we can rebuild it. We have the technology.)
[1:42] <KiltedPi^> I'm wanting to learn this, so I can keep ahead of the curve after my friends kid moves on from scratch!
[1:42] <Ademan> KiltedPi^: np
[1:42] <KiltedPi^> So thanks from me, and 8 yr old Andy!
[1:42] <KiltedPi^> Ademan, cheers! so much!
[1:42] <KiltedPi^> Right!
[1:42] * KiltedPi^ rolls up sleeves
[1:43] <KiltedPi^> lets do this!
[1:43] <KiltedPi^> magpi examples!
[1:43] * KiltedPi^ is now known as KiltedPi^HAPPY
[1:46] <treeherder> KiltedPi^HAPPY: i would just like to tell you
[1:47] <treeherder> that's what we already toldyou to do
[1:47] <treeherder> "python2" IMPORT PYGAME
[1:47] <treeherder> capslock
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[1:51] <Ademan> treeherder: apparently in raspbian python2 isn't symlinked to python2.7
[1:51] <tdy_> lol didn't need to rain on that person's parade
[1:51] <tdy_> clearly s/he wasn't very computer savvy, let alone linux/python/etc
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[1:52] <Ademan> live and let live, and whatnot
[1:52] <KillmeSoftly> just a quick question on the raspberry pi in general... does the heat ever become an issue, i can't imagine that it gets too hot especially since i'm not doing any major processing on it but have any of you found heat to be an issue?... i plan to turn mine in to a webserver so i need it on all the time..
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[1:53] <tdy_> i have a django site running 24/7 on the pi
[1:53] <tdy_> no issues here
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[1:53] <KillmeSoftly> i just got my raspberry pi and haven't used linux in ages so pardon my ignorance or whatever
[1:53] <KillmeSoftly> ok cool thanks guys
[1:54] <Ademan> So has anyone figured out how to read GPU memory? I want to have direct read only access to an OpenGL texture's buffer without using glTexSubImage2D() (But I kind of doubt that exists, so access to the memory is a good jumping off point for me to investigate)
[1:54] <Ademan> tdy_: do you have a DB on your pi as well?
[1:54] * KillmeSoftly (442a185b@gateway/web/freenode/ip. Quit (Quit: Page closed)
[1:54] <tdy_> it's just an internal local site within our lab right now, so i just use the default
[1:55] <tdy_> sqlite*
[1:55] <Ademan> ah, interesting
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[3:15] <timmmaaaayyy> i just configured wifi on my pi, but it doesn't automatically connect after a reboot. any ideas why not?
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[3:16] <timmmaaaayyy> not sure if it matters that i'm uing both wired AND wifi
[3:17] * Jever (~Jever@unaffiliated/jever) Quit (Read error: Connection reset by peer)
[3:18] <timmmaaaayyy> ok that's definitely what was breaking it....it works after a reboot without the wired connection. how do i fix that?
[3:18] <Xeph> that depends on your configuration, of course.
[3:19] <timmmaaaayyy> all i did was add my wifi info to wpa_supplicant.conf
[3:19] <timmmaaaayyy> pretty much a bran new raspbian install
[3:21] * tonsit-afk is now known as tonsit
[3:21] <treeherder> timmmaaaayyy: peek at the wpa-supplicant docs
[3:22] <treeherder> should be something in there about priority + roaming
[3:22] <Xeph> you'll need it to be run on boot, like in /etc/network/interfaces
[3:24] <timmmaaaayyy> i see stuff about "if a managed interface is plugged in then disconnect any wpa-roam interfaces.....i imagine that's whats in the way
[3:27] * mikey_w (~mike@c-71-63-115-202.hsd1.va.comcast.net) Quit (Remote host closed the connection)
[3:27] * Cykey (~textual@modemcable119.94-162-184.mc.videotron.ca) Quit (Quit: Computer has gone to sleep.)
[3:33] * SpeedEvil grrrrs hard at android.
[3:34] * fragstone (~xy@p5DC9E096.dip0.t-ipconnect.de) Quit (Ping timeout: 252 seconds)
[3:34] <SpeedEvil> my n7 is randomly losing IP connectivity to my network, while remaining associated.
[3:34] * znode (~znode@ has joined #raspberrypi
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[3:39] * znode (~znode@ Quit (Ping timeout: 260 seconds)
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[3:48] * znode (~znode@ Quit (Remote host closed the connection)
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[3:52] * Armand (~martin@cpc17-haye16-2-0-cust427.haye.cable.virginmedia.com) Quit (Quit: <Armand> I got promoted to stable but failed to propagate, so I was replaced by an inferior package with much lesser features... but that's enough about my ex. :P)
[3:52] <Torikun> anyone good with iptables?
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[3:54] * zproc (~zproc@laf31-6-82-241-3-109.fbx.proxad.net) Quit (Quit: zproc)
[3:56] * znode (~znode@173-252-246-219.take2hosting.com) Quit (Ping timeout: 276 seconds)
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[3:59] * Hopsy (~Hopsy@unaffiliated/hopsy) Quit (Quit: KVIrc 4.0.4 Insomnia http://www.kvirc.net/)
[4:01] * markbook (~markllama@pool-74-104-180-140.bstnma.fios.verizon.net) Quit (Quit: Leaving.)
[4:01] <timmmaaaayyy> i'm trying to learn more about multicast.....does anyone know of an application that i can configure to start blasting out 1 or more multicast streams?
[4:02] <KiltedPi> whats the BASH for safely shutting down my pi?
[4:02] <KiltedPi> I've tried "sudo shutdown"
[4:03] <KiltedPi> but it wants a time, how do i make it indefinite?
[4:03] <KiltedPi> A value of "-1"?
[4:03] <Flexnard> you mean you want to shut it down right away? like shutdown now?
[4:04] <KiltedPi> yeah
[4:04] <tdy_> shutdown -h now
[4:04] <KiltedPi> like in windows, just shut it down
[4:04] <KiltedPi> now?
[4:04] <Flexnard> yup
[4:04] <tdy_> or shutdown -p now
[4:04] <Torikun> poweroff
[4:04] <Flexnard> now
[4:04] <Torikun> jus do poweroff
[4:04] <Torikun> poweroff ftw
[4:04] <KiltedPi> negative
[4:04] <KiltedPi> oh
[4:04] <KiltedPi> -p is power off?
[4:04] <KiltedPi> kk
[4:04] <KiltedPi> Thanks dewds!
[4:05] <Torikun> dunno I just do poweroff simple and easy
[4:05] <Torikun> init 0 will work
[4:06] <KiltedPi> "sudo poweroff"?
[4:06] <Torikun> yes
[4:06] <KiltedPi> I just entered "sudo shutdown now"
[4:06] <Torikun> lol
[4:06] <KiltedPi> okay to unplug then? i won't corrupt my SD?
[4:06] <Torikun> shutdown -h now is the long way I do
[4:06] <Torikun> wait a min to make sure it is off
[4:06] <Torikun> sometimes it takes awhile
[4:06] <KiltedPi> its got a wee blinking cursor
[4:06] <KiltedPi> in the top right
[4:06] <KiltedPi> left*
[4:06] <KiltedPi> top left, even*
[4:07] <KiltedPi> but the screen is black apart from that.
[4:07] <Torikun> count to 60 then unplug
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[4:07] <tdy_> it might be permanently halted since no flags were given
[4:07] <tdy_> next time you can "man shutdown" to check the options that come with your version
[4:07] <tdy_> or use poweroff, although i haven't used it before
[4:08] <KiltedPi> think its worth checking?
[4:08] <KiltedPi> About to go to bed
[4:09] <KiltedPi> Wouldn't be able to sleep knowing I knackered me SD!
[4:09] <KiltedPi> heh
[4:09] <KiltedPi> here we go then
[4:11] <KiltedPi> yeah
[4:11] <Tachyon`> sudo halt
[4:11] <KiltedPi> we're golden.
[4:11] <Tachyon`> is the easiest/fastest way to shutdown
[4:11] <Tachyon`> otherwise the old shutdown -h now...
[4:11] <KiltedPi> Didn't know that about "man" either
[4:11] <KiltedPi> I tried "XXXCommandExample --man"
[4:11] <KiltedPi> And wondered why it didn't work
[4:12] <KiltedPi> I tried "?" and "/?" (like you do in windows)
[4:12] <KiltedPi> Learned some new stuff today!
[4:12] <Tachyon`> --help is waht you were looking for
[4:12] <KiltedPi> Thanks Tachyon, and Ademan
[4:12] <KiltedPi> Life savers!
[4:12] <KiltedPi> Oh! and tdy__
[4:12] <KiltedPi> I owe you a coke!
[4:12] <Tachyon`> poweroff is likely the same as halt on the pi as it doesn't power off (and indeed can't), just halts
[4:13] * tonsit is now known as tonsit-sleep
[4:16] * phorce1_home (~gvl2@pdpc/supporter/active/phorce1) has joined #raspberrypi
[4:18] * tonsit-sleep is now known as tonsit
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[4:25] * lars_t_h (~lars_t_h@005033163186.mbb.telenor.dk) Quit (Quit: Leaving)
[4:25] <timmmaaaayyy> anyone know if there are any multicast listeners for the ol pi?
[4:30] * Grommet (~grommet@pdpc/supporter/active/grommet) Quit (Quit: make: *** No rule to make target `love'. Stop.)
[4:32] * Viper-7 (~viper7@ppp121-44-116-105.lns20.syd6.internode.on.net) has joined #raspberrypi
[4:33] <elek> what happens when you power your raspberry pi without a sd card? i'm not sure if my pi is dead or my sd card is corrupt. the ACT led blinks briefly then stops but the PWR led stays on
[4:33] * Zarek_ (~Zarek@makoto.akiwiguy.net) Quit (Quit: What's the word for when it feels inside your heart that everything in the world is all right?)
[4:33] * tonsit is now known as tonsit-afk
[4:33] <elek> actually disregard, i think its fine.. just took a few minutes to power up
[4:34] <steve_rox> sounds most odd
[4:36] <treeherder> elek if that ever happens while the sd card ois oin, it might mean it's time for a new img
[4:37] <Grievar> elek: what shows up on the screen?
[4:37] <Grievar> (or serial console)
[4:39] <KiltedPi> Nothing happens
[4:39] <KiltedPi> I wondered that too
[4:40] <KiltedPi> oh, hah! What treeherder said is true tho. I learned how to back up my SD card early on
[4:40] <KiltedPi> Win32diskImager does it. the program I loaded the OS with.
[4:40] <KiltedPi> simples.
[4:41] <KiltedPi> You starting up for the first time elek?
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[5:00] * peterrus (~peterrus@5352B04C.cm-6-3c.dynamic.ziggo.nl) Quit (Read error: Connection reset by peer)
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[5:41] * [7] (~quassel@rockbox/developer/TheSeven) Quit (Disconnected by services)
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[5:41] * Cykey (~textual@modemcable119.94-162-184.mc.videotron.ca) Quit (Quit: Computer has gone to sleep.)
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[5:47] * Out`Of`Control (~Viper@unaffiliated/outofcontrol/x-1373891) Quit (Quit: Free Software, Free Hardware, Free Culture, Free Spectrum)
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[6:06] * ReggieUK (ReggieUK@5aca56e7.bb.sky.com) Quit ()
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[6:31] <elek> sorry back, i actually just finished making a backup and when i plugged it back it in too longer than usual to power up. all is fine though
[6:32] <elek> shot in the dark, anyone have an open sprinkler pi board? im building an app and need testers (didnt get my board yet)
[6:34] * mdim (~user@c-98-202-219-86.hsd1.ut.comcast.net) has joined #raspberrypi
[6:35] <treeherder> whats a sprinkler pi
[6:36] <treeherder> oh
[6:39] <treeherder> looks like a bunch of relays
[6:39] <treeherder> on a raspberry pi gpio
[6:39] <elek> ya
[6:40] <elek> built a little service that lets you control it with SMS text messages.. but cant test it but *should* work
[6:43] * smw (~smw@unaffiliated/smw) Quit (Ping timeout: 272 seconds)
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[6:45] * Viper-7 (~viper7@ppp121-44-116-105.lns20.syd6.internode.on.net) Quit (Ping timeout: 256 seconds)
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[6:47] <treeherder> elek: just test it with LEDS
[6:48] * alexhairyman (~alexhairy@c-174-52-149-118.hsd1.ut.comcast.net) Quit (Ping timeout: 245 seconds)
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[7:37] <Twist-> Okay, so I've never had a powered USB hub before.. but this seems odd. Should it be supplying power to the controlling computer?
[7:37] <neirpyc> Twist-, as in powering the pi?
[7:37] <Twist-> Yes. I pulled the USB power out and the thing stayed on.
[7:37] <ParkerR> Yes
[7:38] <ParkerR> Some hubs backpower
[7:38] <Twist-> it's apparently getting juice from the hub
[7:38] * mikey_w (~mike@c-71-63-115-202.hsd1.va.comcast.net) Quit (Read error: Operation timed out)
[7:38] <Twist-> huh.
[7:38] <ParkerR> And the Model B rev 2 Pis take advantage of thos
[7:38] <ParkerR> *this
[7:38] <Twist-> neat.
[7:39] <Twist-> I think this is a rev1 board though
[7:39] * neirpyc (~neirpyc@softbank060156115218.bbtec.net) Quit (Quit: Leaving)
[7:39] <ParkerR> Twist-, Umm if it's backpowering it's a Rev2
[7:40] <ParkerR> Twist-, Also I use the backpower with my lapdock. Allows for one less wire http://i.minus.com/iChdypi2m7Pm2.JPG
[7:40] <Twist-> rev2 had the mounting holes, yes?
[7:40] <ParkerR> Yes
[7:40] <Twist-> This doesn't
[7:40] <ParkerR> O.o
[7:41] * neirpyc (~neirpyc@softbank060156115218.bbtec.net) has joined #raspberrypi
[7:41] <ParkerR> You may have blown a fuse then
[7:41] <ParkerR> Rev1 have a fuse limiting the power than can be supplied back to the Pi
[7:42] <Twist-> hmm
[7:42] <Twist-> hub still powers the pi when the power switch is in the off position
[7:43] <Twist-> dafuq?
[7:43] <Twist-> cat /proc/cpuinfo -> Revision: 0003
[7:44] <ParkerR> I dont think that releates to the borard drev
[7:44] <ParkerR> *board
[7:44] <Twist-> yeah, you're right
[7:48] * zyklon (~zyklon@122-57-187-237.jetstream.xtra.co.nz) has joined #raspberrypi
[7:48] <Twist-> This is fun. Turning the power switch on the hub reboots the Pi
[7:49] <Twist-> turning it off disconnects all usb devices, but doesn't power the Pi down
[7:53] * mrmoney2012 (~mrmoney20@5e061dfb.bb.sky.com) has joined #raspberrypi
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[8:49] <Twi7ch> hey, anyone here have experience setting up hostapd on Raspbian?
[8:50] <Twi7ch> I keep getting an illegal exception when I try to start the service
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[8:59] <Twi7ch> nvm, figured it out
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[9:11] * retrosenator (~sean@ip-118-90-28-176.xdsl.xnet.co.nz) has joined #raspberrypi
[9:11] <retrosenator> why do some people have voice?
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[9:25] <xiambax> cause nobody loves you
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[9:31] <Nebukadneza> heho
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[9:44] <retrosenator> so you mean someone loves them and notme
[9:44] <retrosenator> i already know no one loves me what does that matter?
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[10:54] <Torikun> oi
[10:54] <|Jeroen|> io
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[10:58] <Crenn-NAS> 3D Printing fun (again) - http://youtu.be/bsmfkXHF4Ts
[10:59] <Nebukadneza> heho
[11:01] <Nebukadneza> mhmm
[11:01] <Nebukadneza> neat video
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[11:04] * _ember (~ember@89-70-167-63.dynamic.chello.pl) has joined #raspberrypi
[11:05] <Crenn-NAS> Nebukadneza: As a friend puts it, it's the new 'watching paint dry'
[11:05] * idstam (~johan@c-1b7772d5.027-359-73746f23.cust.bredbandsbolaget.se) has joined #raspberrypi
[11:06] <Nebukadneza> hehe, a little more active than that ;P
[11:06] <ShiftPlusOne> Crenn-NAS, is that the hackerspace in hawthorne somewhere?
[11:07] <ShiftPlusOne> I've been meaning to check it out, but it's a bit far from me =(
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[11:11] <Crenn-NAS> ShiftPlusOne: Yep! You're in Melbourne?
[11:11] <ShiftPlusOne> yeah, near Frankston though
[11:12] <ShiftPlusOne> looking at your other videos, what uni was that?
[11:12] <Crenn-NAS> Yeah, bit of a trip going all the way to Richmond then out to Glenferrie
[11:12] <Crenn-NAS> Swinburne University, it's actually just across the road from the hackerspace!
[11:13] <Crenn-NAS> ShiftPlusOne: Been to any of the Melbourne RPi Jams?
[11:13] <ShiftPlusOne> ah, makes sense. I am in RMIT, so not exactly on the way.
[11:13] <Crenn-NAS> Which RMIT campus?
[11:13] <ShiftPlusOne> city
[11:14] * dreamon (~dreamon@unaffiliated/dreamon) Quit (Ping timeout: 276 seconds)
[11:14] <Crenn-NAS> Ah ok, been to the Mid-Month Software Raspberry Pi Jam that's held there?
[11:14] <ShiftPlusOne> nope, I haven't really heard or kept up with any of that. Not sure I understand the point of them >.>
[11:15] <Crenn-NAS> Learning something new, chatting with people or showing off a project generally
[11:16] <ShiftPlusOne> Yeah, fair enough.
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[11:26] <flufmnstr> on a rev.2 board setting GPIO.setmode(GPIO.BCM) and using GPIO.setup(2, GPIO.IN) means the physical pin 3 becomes an input while under GPIO.setmode(GPIO.BOARD) GPIO.setup(3, GPIO.IN) would set the phsical pin 3 to input, right?
[11:27] <gordonDrogon> morning pi peeps.
[11:28] <Crenn-NAS> Morning gordonDrogon
[11:30] <gordonDrogon> muat make myself a 3D printer on day..
[11:30] <Grievar> trip toys: http://www.ebay.com/itm/6-150mm-Silicon-Wafer-Wafers-With-Great-Pattern-Set-of-5-wafers-/271134470068?pt=LH_DefaultDomain_0&hash=item3f20dfafb4
[11:31] <ShiftPlusOne> ooh nice
[11:32] <ryanteck> I want a 3d Printer too xD
[11:32] <gordonDrogon> although the little board I made up yesterday is fully capable of driving 3 stepper motors :)
[11:33] <ryanteck> ooo more projects on my site :D
[11:35] <ryanteck> brb getting paperclip
[11:36] <flufmnstr> we just got a soliddoodle3 in the shop. i cant wait to start printing RPi mounts
[11:36] <treeherder> i just use motor drivers but i've been meaning to get some h bridges and do current sensing
[11:37] <ryanteck> I have some hbridge chips to control motors
[11:37] <ryanteck> Hope to be able to drive my robot's drills with them
[11:37] * mpmc|Away is now known as mpmc
[11:38] <treeherder> i need to step up my robot game
[11:39] <treeherder> no robot i've made has weighed more than a few ounces
[11:39] <treeherder> well
[11:39] <treeherder> maybe .5 kg
[11:39] <treeherder> the biggest one
[11:39] * Viper7 (~Viper7@ppp121-44-169-43.lns20.syd7.internode.on.net) has joined #raspberrypi
[11:39] <ryanteck> Thinking about literally buying a big storage container and fiting drills for motors and a few wheels on them
[11:40] <treeherder> how 2 power
[11:40] <ryanteck> Use the batterys from the drills
[11:40] <treeherder> won't run for very long
[11:41] <ryanteck> an hour would be likely
[11:41] <treeherder> not even
[11:41] <ryanteck> 1 or 2 hours
[11:41] <treeherder> maybe 40 mins
[11:41] <treeherder> from a brand new battery
[11:41] <treeherder> with no load on the drill
[11:41] <ryanteck> possibly. they wouldn't be on all the time
[11:42] <treeherder> but there would be load
[11:42] <ryanteck> Hmm, Does anyone know if the pi does PWM?
[11:42] <treeherder> ...
[11:42] <Crenn-NAS> gordonDrogon: 3D Printing is the new watching paint dry apparently
[11:42] <treeherder> Crenn-NAS: unless you're printing proteins
[11:43] <ryanteck> Completely forgot about PWM on the Pi.
[11:43] <ryanteck> Can always use an arduino
[11:43] <Crenn-NAS> Arduinos are horrible
[11:43] <ryanteck> why?
[11:43] <Crenn-NAS> Therefore I own 2 and want to own more
[11:43] <treeherder> Crenn-NAS: get out of here with that shit
[11:43] <treeherder> horrible
[11:43] <treeherder> psh
[11:43] <ryanteck> Oi language!
[11:43] * Viper-7 (~viper7@ppp121-44-169-43.lns20.syd7.internode.on.net) has joined #raspberrypi
[11:44] <Grievar> ryanteck: correction: completely forget about pwm on the pi /with linux/
[11:44] <treeherder> i have a 328 on my pi it's great
[11:44] <treeherder> actually
[11:44] <Grievar> ryanteck: you can easily do PWM on the pi with an RTOS
[11:44] <ryanteck> But with linux its a no?
[11:44] <treeherder> gordonDrogon: why do i have to re burn my bootloader everytime i program the 328 using pi as ISP?
[11:44] <Viper-7> ryanteck: there is one hardware pwm pin
[11:44] <Grievar> treeherder: ...you don't?
[11:44] <ryanteck> ahh
[11:44] <Nebukadneza> mhh, say, does anyone of you use xbmc on the rbpi (namely raspbian), and maybe also has/had problems with webradio streaming, as in that the 10s buffer is soon "overplayed", so that it says "playing: 3:30 / 2:45" but doesn't play anything anymore?
[11:44] <Grievar> treeherder: if you're using an ISP you don't need the bootloader at all?
[11:44] <ryanteck> So arduino would be better as a PWM connection
[11:44] <treeherder> well it's justa workarounf
[11:45] <Viper-7> the pi is plenty fast enough for software pwm, but linux will occasionally steal time (up to like 20ms) from your process, during which your pwm cant change state
[11:45] <treeherder> if i don't burn, i get a fuse eroror
[11:45] <treeherder> errror
[11:45] <treeherder> if i burn it works
[11:45] <treeherder> so i burn
[11:45] <Grievar> treeherder: what do you mean "if I burn"
[11:45] * znode (~znode@ Quit (Remote host closed the connection)
[11:45] <Viper-7> you could also likely use one of the many available serial ports to shift out a PWM signal
[11:45] <treeherder> but i want to know why
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[11:45] <Grievar> treeherder: and you get a fuse error if you try to burn /what/?
[11:45] <treeherder> burn the bootloader
[11:45] <Grievar> er
[11:46] <treeherder> ???
[11:46] <Grievar> treeherder: when do you get a fuse error?
[11:46] <treeherder> the house down
[11:46] <treeherder> dinner
[11:46] <treeherder> one with bob marley
[11:46] <Grievar> treeherder: are you trying to program it from the arduino program?
[11:46] <ryanteck> Viper-7 it needs to have 4 PWM pins on it. Not worried about the casual 20ms wait as will hardley affect a robot
[11:46] <Grievar> treeherder: go to file and pick "upload with programmer", you can't use the regular upload button if you're using an ISP
[11:46] <treeherder> no, using avrdude and avrgcc
[11:46] <Grievar> ah ok
[11:47] <Grievar> treeherder: how is your 328 hooked up to the pi?
[11:47] <Grievar> and what avrdude command line options are you using
[11:47] <Viper-7> ryanteck: then its too easy, just use wiringpi or the bcm2835 lib and any of the GPIO pins
[11:47] <Grievar> ryanteck: keep in mind that's only if you don't run other programs on it
[11:47] <treeherder> Grievar: let me come back when better equipped to ask
[11:47] <treeherder> it was an idle question
[11:47] <ryanteck> Oooo
[11:47] <Grievar> ryanteck: if you have other programs running it gets a lot harder to get a consistent pulse width out
[11:48] <ryanteck> Well it would be running a node server for the communication over the internet, and a webcam server for the webcam
[11:48] <Viper-7> check top
[11:48] <Crenn-NAS> treeherder: Are you sure it's really a fuse error?
[11:48] <ryanteck> Think arduino may be slightly better
[11:48] <Viper-7> look at the cpu usage percentage
[11:48] <treeherder> Crenn-NAS: like i said, let me ask again whgen i have materials at hand
[11:48] <ryanteck> then at least I can't harm the Pi with any accidental voltage into pi
[11:48] <Viper-7> ryanteck: any mcu, i`d suggest an msp430 :P
[11:48] <treeherder> it was only an idle q
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[11:48] <Viper-7> launchpad is only $4.30 delivered, comes with two chips, 3.3V as standard
[11:48] <Crenn-NAS> treeherder: I'll probably forget by then!
[11:49] <treeherder> <3
[11:49] <Crenn-NAS> Launchpad is something I plan on hooking upto the RPi because it's so cheap
[11:49] <Viper-7> Crenn-NAS: its great :)
[11:49] <treeherder> ryanteck: i would suggest using a standalone atmega chip
[11:49] <Crenn-NAS> Hoping to make a $10 RPi robotics board utilising one
[11:49] <Viper-7> the only issue with msp430s is the wide variety of uarts available on them
[11:49] <treeherder> foor pic up some ADC DAC dealies
[11:50] <Crenn-NAS> Viper-7: Minor issue
[11:50] <Viper-7> some dont have a uart at all, some have USCI, some have UART, some have USART
[11:50] <Viper-7> its a pain, but still fine ;)
[11:50] <Grievar> Viper-7: The big issue with doing PWM on the pi is that if you have other processes running you can end up with a much wider pulse width than you planned, which could translate into destroying whatever it is you're trying to control
[11:50] <treeherder> they alll do i2c and spi though
[11:50] <Crenn-NAS> USCI is USART/SPI if I recall off the top of my head
[11:50] <Viper-7> Crenn-NAS: still uses different addresses and such
[11:50] <ryanteck> hmm
[11:50] <Grievar> ryanteck: you can get chips that are just a PWM generator that you can control via SPI or I2C
[11:50] <Grievar> which you could easily control from the pi
[11:50] <Crenn-NAS> Viper-7: Minor issue, but yeah
[11:50] <Grievar> and are probably a lot cheaper
[11:50] <ryanteck> But yet more money
[11:51] <Viper-7> Grievar: only if using PWM to decimate voltage, which is a poor idea anyway
[11:51] <Crenn-NAS> I need to get another MSP430 launchpad, the chips included with it changed later.
[11:51] <Viper-7> Grievar: if his load can handle a HIGH state, and he doesnt care about the occasional glitch, then it`ll work fine, at least for playing around
[11:51] * metachris (~metachris@chello212186208121.11.vie.surfer.at) has joined #raspberrypi
[11:51] <ryanteck> Hmm
[11:51] <Viper-7> Crenn-NAS: i got a bunch of samples at the same time as i ordered my launchpad
[11:51] <Viper-7> got like 12, still have 6 or 7 lying around
[11:51] <Crenn-NAS> I'm using a Maple Mini with my RPi, works well enough and displays the IP address of my RPi :D
[11:51] <ryanteck> Well the robot is going to be made out of something like this - http://www.wilkinsonplus.com/plastic-storage-/storage-box-and-lid-clear-80l/invt/0239167
[11:52] <ryanteck> stick two cheap drills in it
[11:52] <treeherder> ryanteck: i don't like it
[11:52] <ryanteck> wire to hbridges
[11:52] <ryanteck> done
[11:52] <Crenn-NAS> Viper-7: Hehe, I haven't gotten any samples from TI, Microchip on the other hand
[11:52] <treeherder> i think you should 12v with stepper motors
[11:52] <Viper-7> them too :D
[11:52] <treeherder> cheaper too
[11:52] * NIN101 (~NIN@p5DD29320.dip0.t-ipconnect.de) Quit (Read error: Connection reset by peer)
[11:52] <ryanteck> How much are stepper motors?
[11:53] <Triffid_Hunter> ryanteck: if you're after a simple yet adequate motor controller, see github.com/triffid/ESC
[11:53] <Crenn-NAS> Stepper motors are evil and harder to drive
[11:53] <treeherder> well how much load do they neeed
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[11:53] <treeherder> 10 kg?
[11:53] <treeherder> 1000 kg?
[11:53] <Triffid_Hunter> A4988 breakout from pololu is excellent for bipolar steppers up to 1.5A
[11:53] <Viper-7> Crenn-NAS: https://www.dropbox.com/sh/wzvft9e9snltxgo/_OYLSavICg :P
[11:53] <Crenn-NAS> Triffid_Hunter: No arguement there, I got 5 of them... for my 3D printer
[11:54] <treeherder> ryanteck: do you want to ride the thing? or just have it pull its own weight
[11:54] <ryanteck> Pull its own weight
[11:54] <ryanteck> Riding it = Lol for me xD
[11:54] <ryanteck> Most stepper motors aren't cheap
[11:54] <Crenn-NAS> Triffid_Hunter: PDF schematics are great for people who don't want to load up Eagle
[11:54] <ryanteck> then I also have to buy a battery
[11:55] <Triffid_Hunter> Crenn-NAS: I'll push some PNG
[11:55] * vivekagr_ (~vivekagr@ has joined #raspberrypi
[11:55] <Crenn-NAS> ryanteck: Batteries are easy to get, getting good ones is the problem~
[11:55] <Crenn-NAS> I use NiMH batteries for my raspbian rover
[11:55] <ryanteck> and very tight budget
[11:55] <Crenn-NAS> Triffid_Hunter: That works too
[11:56] <Crenn-NAS> ryanteck: How much voltage do you need?
[11:56] * vivekagr (~vivekagr@ Quit (Ping timeout: 260 seconds)
[11:56] * vivekagr_ is now known as vivekagr
[11:56] <Crenn-NAS> Viper-7: Nice collection of datasheets ;P
[11:57] <Viper7> Parts :p
[11:57] <Viper7> Thats whats on my desk
[11:57] <ryanteck> Well, if I was using drills for motors I get two 12V Motors and two 12V Batteries
[11:57] * discopig (~discopig@unaffiliated/discopig) Quit (Quit: discopig)
[11:57] <treeherder> ryanteck: check out this page
[11:57] <treeherder> and things like it
[11:57] <treeherder> http://www.robotshop.com/gear-motors.html
[11:57] <treeherder> you want brushless dc motors
[11:57] <treeherder> i'd say
[11:57] <Triffid_Hunter> Crenn-NAS: http://triffid-hunter.no-ip.info/esc_sch.png http://triffid-hunter.no-ip.info/esc_brd.png
[11:57] <treeherder> upon more careful consideration
[11:58] <treeherder> probably some gears and *such*, as well
[11:58] <Crenn-NAS> treeherder: Brushless DC need a special type of controller
[11:58] <Triffid_Hunter> Crenn-NAS: also, https://picasaweb.google.com/lh/photo/Q6cjAftoBdGhgy1Gl4iuydMTjNZETYmyPJy0liipFm0
[11:59] <ryanteck> Well for a 12V motor they charge $50
[11:59] <ryanteck> With an encoder
[11:59] <Triffid_Hunter> Crenn-NAS: yeah, BLDC looks more like http://triffid-hunter.no-ip.info/bldc_sch.png http://triffid-hunter.no-ip.info/bldc_brd.png
[11:59] <ryanteck> ??32
[11:59] <ryanteck> For one motor
[11:59] <Triffid_Hunter> ryanteck: can make own encoder pretty easily
[11:59] <ryanteck> I think I'l keep to drills.
[11:59] <treeherder> thats a high price vendor thoguh
[12:00] <treeherder> drills are more expensive, i'd say
[12:00] <ryanteck> ??25 For two drills is very cheap
[12:00] <treeherder> considerably so
[12:00] <ryanteck> For what most places charge for one motor I can get two drills
[12:00] <treeherder> where/
[12:00] <treeherder> that's crazy
[12:00] <ryanteck> http://www.diy.com/nav/fix/power-tools/drilling-screwdriving/drilling/cordless/-specificproducttype-drill_drivers/12V-Cordless-Drill-Driver-10957593?skuId=11448297
[12:01] <ryanteck> I just have to send my dad in to buy them xD
[12:01] <Crenn-NAS> Triffid_Hunter: Is that picasa picture of the actual ESC you built?
[12:01] <Triffid_Hunter> Crenn-NAS: yes
[12:02] <Triffid_Hunter> Crenn-NAS: I don't have video because the gearbox in that car only lasted a week or so, was having too much fun
[12:02] <ryanteck> 1200mAh
[12:02] <Crenn-NAS> Hehe, make a new one?
[12:02] <Crenn-NAS> Also, what is the chip in the BLDC next to the 328P?
[12:02] <ryanteck> I think I already have one of the drills. I may do a test charge and see ow long it lasts
[12:02] <Triffid_Hunter> Crenn-NAS: friend sent a proper R/C rather than a toyworld special, currently upgrading the current sense shunt to handle the larger motor
[12:02] <Triffid_Hunter> Crenn-NAS: allegro A4960
[12:03] <Crenn-NAS> Interesting, never come across that before
[12:04] <Triffid_Hunter> Crenn-NAS: relatively recent one, it's basically a full BLDC driver designed for microcontroller interaction with automotive grade hardening
[12:04] <Triffid_Hunter> and external mosfet drive so I can put crazy powerful mosfets on it
[12:05] <Triffid_Hunter> those IR1324S are rated 0.8mOhm and I think this board might go up to 80A when I get around to having a few made
[12:06] <Crenn-NAS> Fascinating
[12:06] <Triffid_Hunter> would be nice if it was smaller I suppose.. could always cut off the left 2/3 of the board and mount mosfets to heatsink instead of pcb I suppose
[12:06] * znode (~znode@ has joined #raspberrypi
[12:07] <Crenn-NAS> I was actually looking into designing a Brushless DC driver based on a MCU and trying to make it as low cost as possible while being useful for particular projects such as my helicopters and planes
[12:07] <Triffid_Hunter> well A4960 looks nice on paper, haven't actually tried this design yet
[12:07] <Triffid_Hunter> I think the gate charge on these mosfets might be a bit high, I might try to find ones with a better balance between Qg and Rds(on)
[12:08] <treeherder> ryanteck: 1200mAH on that drill's battery
[12:08] <treeherder> not gonna last more than 20 mins of driving
[12:08] <Triffid_Hunter> ryanteck: fwiw, I got a cheapo 3S battery from hobbyking.. I'm never even gonna bother dealing with NiCD or NiMH anymore
[12:09] <treeherder> i've got some 6AH lipos i got from sparkfun
[12:09] <treeherder> worth the investement
[12:09] <Triffid_Hunter> that R/C used to last almost 10 mins with a 2500mAh NiMH pack, with the 3S 2200mAh lipo it lasts >1.5hrs, the kids get sick of it before it even starts to slow down
[12:09] * herdingcat (~huli@ Quit (Ping timeout: 255 seconds)
[12:10] <treeherder> my robot used to last about 20 mins
[12:10] <Triffid_Hunter> also, running sensitive electronics from the balance connector with heavy feeders from main connector works wonderfully well, the crazy low ESR drops all the motor noise to a dull roar
[12:10] <treeherder> with a 1600 mAH battery
[12:10] <treeherder> and it's TINY
[12:10] <treeherder> now it lasts almost 12 hours <3
[12:11] <treeherder> also the two batteries weigh almost the same as the one old one
[12:11] * double-you (~Miranda@178-26-159-95-dynip.superkabel.de) has joined #raspberrypi
[12:11] <Crenn-NAS> Triffid_Hunter: You will if the battery blows up
[12:12] <Triffid_Hunter> Crenn-NAS: is not a sony. also, I'm not going anywhere near the rated ~60A peak draw
[12:12] <treeherder> mines got a really high peak draw too
[12:13] <treeherder> i love these LiPos
[12:13] <Crenn-NAS> I'm using LiPos only in aircrafts
[12:13] <Crenn-NAS> Except for a small LiPo for small projects
[12:13] <Crenn-NAS> 1S 2Ah from sparkfun
[12:13] <treeherder> they have really small .5Ah ones i've thought about buying
[12:13] <Triffid_Hunter> I've been keeping my eye on this stuff for years, it's finally fairly cheap to get decent power and motion components- those crazy MG996R servos are $10-13
[12:14] <treeherder> for some robots i want to give to people as presents
[12:14] <Triffid_Hunter> treeherder: ooh I know, get an ultracapacitor and a solar panel, hook it up BEAM style but with a proper brain
[12:15] * DenBeiren (~Denbeiren@ has joined #raspberrypi
[12:15] <DenBeiren> hey hey good people
[12:15] <DenBeiren> i am sorry to say i need to ask a noobish question :s
[12:15] <Crenn-NAS> DenBeiren: Noobish questions is why I'm here and still here
[12:16] <DenBeiren> when powered down by raspxbmc, how do i power the pi back on?
[12:16] <Triffid_Hunter> DenBeiren: power cycle
[12:16] <Triffid_Hunter> ie unplug/replug
[12:16] <DenBeiren> damn,.. i was hoping there was a workaround :-)
[12:16] <DenBeiren> is it healthy to "not" let it power down?
[12:16] <Triffid_Hunter> as far as I know, if linux can't power down a computer due to lack of soft-power, it puts the processor in a permanent halt state
[12:17] * SgrA (~sgra@unaffiliated/sgra) Quit (Ping timeout: 264 seconds)
[12:17] <Triffid_Hunter> DenBeiren: of course. it reaches an equilibrium in terms of heat with core around 40-60c, and should run indefinitely if your power supply is good
[12:17] <Crenn-NAS> I need to get some Model As
[12:17] <Viper7> Y?
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[12:18] <DenBeiren> and what about if it's overclocked?
[12:20] <Triffid_Hunter> DenBeiren: if it's overclocked, all bets are off. you'll also void the warranty. expect random kernel panics with increasing frequency as you drive up the clock, however specific boards may be quite happy with moderate overclocking
[12:20] <treeherder> dmokr
[12:20] <treeherder> smoke
[12:20] <treeherder> sorry, typing troubles
[12:20] <DenBeiren> it's not atm, but i read here and there that the pi does not suffer from overclocking
[12:20] <Triffid_Hunter> DenBeiren: the core on the rpi is so underpowered to start with it's not really worth overclocking
[12:20] <treeherder> lots of people do it
[12:21] <treeherder> i've seen lots of people wreck lots of pis, too
[12:21] <Triffid_Hunter> it's interesting due to graphics and video coprocessors, not because of the main processing core itself
[12:21] <DenBeiren> hmm
[12:21] * Endorean (~heheh@CPE-124-183-103-244.lns14.ken.bigpond.net.au) Quit (Quit: Leaving)
[12:21] <DenBeiren> meh, as long as it works, why overclock right?
[12:21] <treeherder> if you don't use it for graphical applications
[12:21] <treeherder> you won
[12:21] <DenBeiren> also, a question that maybe is raspxbmc specific,...
[12:21] <treeherder> 't notice
[12:21] <Triffid_Hunter> DenBeiren: if you need more cpu cycles, accept a higher power usage, eg intel atom or some of the newer arms being used in high end tablets
[12:22] <DenBeiren> in xbmc, i have set the correct workgroup
[12:22] * martk100 (~martin@host-2-103-173-43.as13285.net) has joined #raspberrypi
[12:22] <DenBeiren> but it seems that the pi itself is still in "workgroup"
[12:22] <Viper7> https://www.olimex.com/Products/OLinuXino/A13/A13-OLinuXino-MICRO/
[12:22] <Triffid_Hunter> I hear talk of 1.5GHz quad core ARMs around, those should make rpi look like a digital watch for cpu-bound tasks
[12:22] <Viper7> Less ram, no hdmi (vga instead), but more power
[12:23] <Crenn-NAS> Viper7: 1/3rd of the power draw
[12:23] <Triffid_Hunter> would be awesome if the RPi graphics core was open enough to run opencl
[12:23] <Crenn-NAS> I don't need Ethernet on my Raspbian Rover
[12:24] <gordonDrogon> treeherder, hello?
[12:24] * heliAAA (~homi@unaffiliated/heliaaa) Quit (Read error: Operation timed out)
[12:24] <treeherder> gordonDrogon: i was asking the wrong question
[12:24] <treeherder> good night everybody
[12:24] <Viper7> Crenn i mean cpu gruny
[12:24] <Viper7> Grunt*
[12:24] <martk100> I have asked before maybe someone can answer me. I need to find a suitable or typical .xml file for my touchsceen.
[12:25] <Crenn-NAS> I was answering your Y after I said I needed some model As
[12:25] <martk100> I forgot to mention the file is for xbmc.
[12:25] <gordonDrogon> software pwm is easily do-able under Linux - there is the softPwm module in wiringPi. It's OK for simple LEDs and motor control.
[12:26] <gordonDrogon> there are better ways to do it in the kernel, or using a DMA timer thingy, but on userland it's acceptible.
[12:27] * znode (~znode@ Quit (Remote host closed the connection)
[12:29] <Crenn-NAS> If you're wanting multiple servos, may I suggest some clevar code using the one PWM channel and a multiplexor
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[12:29] <Triffid_Hunter> 4017 makes a good multiplexer
[12:29] <gordonDrogon> servos use a stupid variant of PWM and are much more fussy about jitter than LEDs or simple Dc motors.
[12:29] <Triffid_Hunter> however I do not believe that the RPi is capable of the required timing precision
[12:30] <gordonDrogon> DO NOT use my softwareServo driver to drive servos... it will burn them out.
[12:30] * satellit (~satellit@ Quit (Ping timeout: 264 seconds)
[12:30] <Triffid_Hunter> if you want to drive servos, use something that's designed for deterministic timing like an arduino
[12:30] <gordonDrogon> there is a kernel module called servoblaster which I'm told is very good.
[12:30] <gordonDrogon> alternatively just don't use RC servos. Motors of the devil, they are.
[12:30] <Triffid_Hunter> can generate servo pulses with 62.5nS precision on an arduino, 50nS if you change the crystal for a 20MHz
[12:31] <Triffid_Hunter> gordonDrogon: RC servos are awesome, as long as you're driving them with something that can generate rock solid pulses
[12:31] * vivekagr (~vivekagr@ Quit (Ping timeout: 255 seconds)
[12:31] <gordonDrogon> Triffid_Hunter, they should have been binned 30 years ago IMO.
[12:32] * Oddj0b (~oddj0b@daimi-pat.daimi.au.dk) has joined #raspberrypi
[12:32] <gordonDrogon> I was looking at some RC stuff just over a year ago as part of a UAV project I was working on. I was quite shocked to find that the radio & control side hadn't changed in the past 40 years )-:
[12:32] <Crenn-NAS> I thought the RPi had some timer hardware
[12:32] <treeherder> arduino servo libis excellent
[12:32] <gordonDrogon> it's got one hardware PWM output.
[12:32] <bertrik> I heard that they use 2.4 GHz now for remote control
[12:32] * martk100 (~martin@host-2-103-173-43.as13285.net) Quit (Quit: Leaving)
[12:33] <gordonDrogon> sure - 2.4GHz and many other frequencies, but the unlderlying protocols are the same. PPM, etc.
[12:33] <Triffid_Hunter> gordonDrogon: if you want really nice servos that use modern technology, see the dynamixel and similar servos.. you pay $200/ea for them though
[12:33] * vivekagr (~vivekagr@ has joined #raspberrypi
[12:33] <Crenn-NAS> gordonDrogon: That should be enough to drive 8-11 servos no issues with a multiplexor if the jitter isn't too bad
[12:33] <Triffid_Hunter> they use some sort of daisy-chained digital bus
[12:34] <gordonDrogon> So you get a situation where you Tx the PPM, it then gets decided by software in a micro on the craft, it's then re-encided into servi PWM, then it's picked up by an ESC and translated into burshelss DC motor speed. Gah!
[12:34] <gordonDrogon> s/i/o/
[12:34] <Triffid_Hunter> fwiw, brushless DC motors need conversion anyway due to the commutation timing requirements
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[12:35] <gordonDrogon> it's the number of encoding/decoding cycles going on that I was amazed at.
[12:35] <gordonDrogon> Yes, I know exactly how they work - but what people are doing is taking new stuff and making it work with old stuff because "that's the way it's always been done".
[12:35] <gordonDrogon> Some of the stuff I proposed went down like a lead-balloon ;-)
[12:36] <Crenn-NAS> gordonDrogon: Lead Balloon? Mythbusters time!
[12:36] <gordonDrogon> not with the people in the project I was working on, but with the people in the RC community I talked to.
[12:36] * clonak1 (~clonak@ Quit (Read error: Connection reset by peer)
[12:36] <Crenn-NAS> Ah
[12:36] <gordonDrogon> sadly the funders pulled out, to the project was binned.
[12:36] <Crenn-NAS> I2C Servos and ESCs should be fairly standard
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[12:36] <Crenn-NAS> Ouch
[12:37] <treeherder> kickstarter or gtfo
[12:37] <gordonDrogon> they are.. but you need all the decoding and re-coding of the signals to make it all work.
[12:37] <treeherder> amirite
[12:37] <treeherder> k gnight
[12:37] <gordonDrogon> I was aiming for a control system that lacked "stick twiddling".
[12:37] <gordonDrogon> You push a button on the controller marked "take off" and it takes off...
[12:37] <gordonDrogon> push another maked "home and land" and it does that.
[12:37] <Crenn-NAS> gordonDrogon: I said should, it's not that common in the RC hobby world :P
[12:37] <gordonDrogon> nonw of this ancient stick twiddling stuff here )
[12:38] <treeherder> one more interjection
[12:38] <Crenn-NAS> gordonDrogon: Sort of the aim with my UAV project
[12:38] <Tachyon`> hrm
[12:38] <treeherder> how can you have 'stick twiddling'
[12:38] <Tachyon`> worrying number of points of failure
[12:38] <gordonDrogon> mabe one day I'll resurect it all.
[12:38] <Tachyon`> the way you describe above
[12:38] <treeherder> in an autonomous flgiht?
[12:38] <treeherder> flight
[12:38] <Crenn-NAS> treeherder: There is always a manual mode
[12:39] <gordonDrogon> ish.
[12:39] <treeherder> attitudes like that hold robotics in the stone age
[12:39] <gordonDrogon> manual in my world was more or less sending 'hints' to the on-board cpu's.
[12:39] <gordonDrogon> a bit like flying an Airbus.
[12:39] <Crenn-NAS> gordonDrogon: Augmented inputs?
[12:40] <gordonDrogon> sort of.
[12:40] <gordonDrogon> so your stick twiddling would be to e.g. keep it level, it would be to point it in a direction and fly that way.
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[12:42] <gordonDrogon> I'm still technically under NDA with the guy who's doing the project (and he might get funding again), but the aim was for high precision very high resolution photography of various building, etc.
[12:42] <Triffid_Hunter> Crenn-NAS: I don't like I2C, it doesn't survive cables in noisy environments at all
[12:42] <gordonDrogon> I don't like I2C as it's an overly complex protocol..
[12:42] <Grievar> I2C is not generally the right choice
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[12:43] <Triffid_Hunter> SPI is much better for most of the stuff I do, as long as the runs are short
[12:43] <Triffid_Hunter> for longer runs you want a protocol that can be sent over a differential pair and doesn't expect an instant response
[12:43] <Grievar> If any of the following is true, don't use I2C: You only have one receiver, you only send data one way, you need a lot of bandwidth
[12:43] <Tachyon`> what is the realistic limit for SPI?
[12:43] <Tachyon`> length wise
[12:43] <Triffid_Hunter> Tachyon`: depends on speed. you can simply drop speed for longer runs
[12:43] <Tachyon`> ahh
[12:43] <Triffid_Hunter> Tachyon`: at 25MHz I wouldn't run it more than 5cm
[12:43] * DexterLB (~dex@79-100-13-11.btc-net.bg) Quit (Quit: So long and thanks for all the fish)
[12:43] <gordonDrogon> I2C in a UAV isn't too bad - you'll have less than a 1/2 a meter of wire unless it's huge...
[12:44] <Triffid_Hunter> but at say 100khz I'd be ok with 15cm
[12:44] <Grievar> unidirectional serial lines are effectively only limited by the chips involved
[12:44] <Grievar> and a common limit they all have
[12:44] <Triffid_Hunter> perhaps even longer, some of those LED lighting strips use SPI
[12:44] <Grievar> over a certain length the presence of a separate clock line gets in the way
[12:44] <gordonDrogon> I'm running 32MHz off the PI's SPI and distance is about 5-6cm of PCB track..
[12:44] <Tachyon`> hrm, maybe I'd be better with standard serial, 9600 would be more than enough
[12:44] <Tachyon`> noisy environment though, lots of trnasformers and the like around
[12:44] <gordonDrogon> 9600 is good fir very high level command - go north, stop, take off, land, etc.
[12:45] <Crenn-NAS> CAN!
[12:45] * DexterLB (~dex@79-100-13-11.btc-net.bg) has joined #raspberrypi
[12:45] <gordonDrogon> Yup. CAN is designed for noisy automotive appls.
[12:45] <Grievar> UART can go way further than SPI especially if you use RS-422/RS-485 transceivers
[12:45] <Grievar> although at higher speeds, clock drift might get you
[12:46] <Triffid_Hunter> yeah RS-422 transcievers are nice
[12:46] * Shaan7 (quassel@kde/shantanu) Quit (Ping timeout: 244 seconds)
[12:46] <Tachyon`> speaking of which, I thought the decorators had damaged my scope, heh, turned out my soldering station is on when it's off and the transformer wsa interfering
[12:46] <Crenn-NAS> What scope?
[12:46] <Crenn-NAS> Oh, you mean oscilliscope?
[12:46] <Tachyon`> mine, lol, old goldstar
[12:46] <Tachyon`> yes
[12:47] <Crenn-NAS> Thought you meant telescope :P
[12:47] <Tachyon`> ahh
[12:47] <Tachyon`> had to pack everything away this week for a new heating system
[12:47] <Tachyon`> they moved things and put a CHAIR on top of the box containing my elecronics stuff
[12:47] <Tachyon`> luckily it seems nothing was actually damaged but ffs
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[13:16] <SStrife> Old-world Macs user balanced RS-485 IIRC.
[13:16] <SStrife> used*
[13:18] <Triffid_Hunter> SStrife: RS-422 is regular serial protocol with RS-485 style transcievers
[13:18] <SStrife> RS422 rather
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[13:19] <SStrife> I think it was some non-standard implementation, so you could fudge a cable that could link with an RS232 port
[13:20] <SStrife> without any extra components
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[13:23] <Triffid_Hunter> SStrife: well differential signalling requires that both lines have the same impedance, they don't actually have to have opposite signals vs ground so you can run a single-ended signal through a resistor with identical resistor from -ve line to ground via a capacitor and it works
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[13:26] <SStrife> I'm sure that's the correct way to do it ;)
[13:27] <Triffid_Hunter> it satisfies all the requirements for differential transmission, except that you'll get no signal instead of inverted signal if the polarity is swapped
[13:28] * xCP23x (~xCP23x@ Quit (Ping timeout: 255 seconds)
[13:28] <SStrife> yeah
[13:29] <SStrife> http://users.silenceisdefeat.net/~lgtngstk/Sites/Serial_Adapter/Serial_Adapter.html
[13:29] <SStrife> they used to just short the "RxD+" pin to ground.
[13:29] * mpmc is now known as mpmc|Away
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[13:41] <neirpyc> Hey all, I just installed Raspbian on a new card and was wondering how one goes about getting their WiFi dongle working. It works with Openelec when I punch in the needed data but I'm not sure where to go in Raspbian.
[13:44] <Grievar> Crenn-NAS, Triffid_Hunter, gordonDrogon: If you're using AVR, an AVR-specific reason not to choose I2C over SPI/serial is that unlike SPI and serial, I2C gives you absolutely no buffer in hardware, so if you want to max out the bus capacity, you have to IMMEDIATELY pull the received byte out of the hardware register as soon as you get it
[13:44] <Grievar> with the UART and the SPI, you get one or two bytes of buffer for a little bit of leeway
[13:45] * mpmc|Away is now known as mpmc
[13:46] * znode (~znode@ Quit (Ping timeout: 256 seconds)
[13:46] <Triffid_Hunter> Grievar: spi and serial only have double buffering which is pretty pathetic, dual 16 byte fifos would be awesome
[13:46] <Triffid_Hunter> got those on lpc17xx
[13:47] * dobra-dobra (~szymon@89-73-76-156.dynamic.chello.pl) has joined #raspberrypi
[13:47] * lupinedk is now known as Lupinedk
[13:48] * Lupinedk is now known as lupinedk
[13:51] <Grievar> Triffid_Hunter: yeah but it means that your interrupt routine only has to be faster than the period between bytes to get optimal receive speed
[13:51] <Grievar> Triffid_Hunter: with I2C, every cycle in your ISR between the beginning and when you clear the TWINT bit slows your bus down
[13:52] <Triffid_Hunter> Grievar: actually, double buffer gives us one byte's grace time to share amongst all the interrupts for a whole packet, not a whole extra byte time for every interrupt
[13:53] <Grievar> Triffid_Hunter: er, how do you figure
[13:53] * |Jeroen| (~jeroen@d5153E72C.access.telenet.be) Quit (Quit: oO)
[13:53] <Grievar> Triffid_Hunter: no, you get one byte's worth of time, rather than getting /no/ time at all
[13:53] <Grievar> for each interrupt
[13:53] * Viper7 (~Viper7@ppp121-44-169-43.lns20.syd7.internode.on.net) has joined #raspberrypi
[13:53] <Triffid_Hunter> Grievar: because if the first interrupt takes just shy of 2 byte times, then the second interrupt must take less than 1 byte time or we'll drop the next byte
[13:54] <Grievar> what I'm saying is that with SPI and serial, as long as your interrupt takes less than 1 byte's worth of time, you are not limiting your receive speed
[13:54] <Grievar> with I2C, your intterupt ALWAYS limits your receive speed
[13:54] * neirpyc (~neirpyc@softbank060156115218.bbtec.net) Quit (Quit: Leaving)
[13:54] <Grievar> because the bus is halted while it runs
[13:55] <Triffid_Hunter> Grievar: for critical sections, busy loop is faster than interrupt. this is one of the extremely rare circumstances where it's worth considering busy looping in interrupt context
[13:55] <Grievar> er, for I2C or SPI?
[13:55] * bortzmeyer (~stephane@2a01:e35:8bd9:8bb0:6d4b:4d39:f342:add9) has joined #raspberrypi
[13:55] <Triffid_Hunter> Grievar: if your I2C is so sensitive to the time between signal received and time that user code responds
[13:56] <Grievar> Triffid_Hunter: ?
[13:56] <Grievar> time between signal received and user responds... who is "user"?
[13:56] <Triffid_Hunter> Grievar: user code, ie your interrupt routine
[13:57] * AndrevS (~andre_bk@2001:980:55e0:1:20f:eaff:fe58:28f8) has joined #raspberrypi
[13:57] <Walther> I have an *old* backup drive that I might be repurposing. It contains backups from Winodws times. Apart from chowning everything recursively to myself (in order to be able to view and edit the files), should I chmod them to something (and if, to whta?)
[13:59] <Walther> oops, wrong channel
[14:00] <Grievar> Triffid_Hunter: it's close... if you globally reserve some registers (so the interrupt doesn't have to push them) and the /very first/ thing your interrupt routine does is dump everything from the I2C into those registers and signal it to continue, then it might be close if not faster than a busy loop
[14:01] <Triffid_Hunter> Grievar: last time I checked, it takes at least 12 cycles to enter isr context because the core itself has to push a bunch of stuff to the stack
[14:03] <Grievar> Triffid_Hunter: ahh
[14:03] * Viper7 (~Viper7@ppp121-44-169-43.lns20.syd7.internode.on.net) Quit (Remote host closed the connection)
[14:03] <Grievar> Triffid_Hunter: unfortunately in my case I have other time-critical stuff happening so I can't busy-wait for I2C
[14:03] <Triffid_Hunter> also has to flush pipelines and things like that
[14:04] <Triffid_Hunter> Grievar: yeah stick with isr then.. and don't underestimate how powerful the timers are
[14:04] <Grievar> Triffid_Hunter: AVR is strictly one-cycle-per-instruction for most instructions including branches
[14:05] <Triffid_Hunter> Grievar: orly? last time I checked, it was mostly 2-3 cycle with a handful of 1-cycle
[14:05] <Grievar> oh ok branches might take two cycles and some loads/stores take more than that
[14:06] * Flexnard (~Flex@host-169-126-2-96.midco.net) has joined #raspberrypi
[14:08] * Kaboon (kaboon@524A5520.cm-4-3b.dynamic.ziggo.nl) has joined #raspberrypi
[14:09] <steve_rox> anything fun going on?
[14:09] <Triffid_Hunter> even sbi and cbi (set/clear bits) is 2-cycle because it's read/modify/write. as far as I know, only way to do quicker GPIO is by shifting a whole port
[14:10] <Triffid_Hunter> steve_rox: we interrupt your regular program to bring ramblings from #avr, will return as soon as anyone wants to talk about something on-topic :)
[14:10] <steve_rox> errrrm okay
[14:11] <steve_rox> that seems acceptable somehow
[14:11] <Triffid_Hunter> steve_rox: we were originally talking about I2C vs other protocols for peripherals, then anecdotes occurred
[14:12] <steve_rox> err i see :-)
[14:12] <steve_rox> just wondering if there was any new fun pi things to do
[14:13] * Mr_P (~gerhard@chello080108255018.3.14.vie.surfer.at) has joined #raspberrypi
[14:13] <Triffid_Hunter> wake me when mplayer has an omx video output plugin
[14:13] <Triffid_Hunter> or someone gets opencl working on the gpu
[14:14] <steve_rox> video output plugin?
[14:15] <Triffid_Hunter> steve_rox: yes. mplayer can use numerous different methods to actually write the video to an output device. I suggest you check out libcaca for example
[14:15] <chithead> some people appear to be working on mplayer-omx
[14:15] <Triffid_Hunter> it doesn't however currently have a way to talk to the rpi's accelerator that I know of
[14:15] <Triffid_Hunter> chithead: nice, link?
[14:15] <chithead> second hit on google for "mplayer omx"
[14:16] <steve_rox> ill just assume its something awesome
[14:17] <steve_rox> im too sleepy to start researching it
[14:17] <chithead> openmax api (omx) is what rpi uses to accelerate video decode
[14:18] <steve_rox> i might order a new pi at some point ,repairing the sd reader is becomeing annoying
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[14:18] * jrtappers (~jrtappers@host109-152-149-164.range109-152.btcentralplus.com) has joined #raspberrypi
[14:18] <steve_rox> plus i can get one with made in the uk printed on it and have uk pride
[14:19] <chithead> than you can use the new rpi's gpio to emulate a sd card in order to boot the old rpi
[14:19] <Grievar> Triffid_Hunter: kind of irritates me that raspberry pi doesn't support 9 data bits on its uart
[14:19] <steve_rox> must be the only thing the uk made reciently
[14:19] <jrtappers> Is it possible to run ubuntu on the raspberry pi?
[14:19] <chithead> jrtappers: no, ubuntu supports only armv7 and newer
[14:19] <Grievar> jrtappers: depends on what you mean by "ubuntu". Is it possible to compile and run everything that makes up ubuntu on raspberry pi? Possibly. Binaries? nope.
[14:20] <chithead> jrtappers: http://elinux.org/RPi_Distributions lists all known distributions for the rpi
[14:20] <jrtappers> Ok, and is there a raspberry pi image with support for usb touch screens
[14:22] <chithead> raspbian image is mostly debian recompiled for armv6-hardfp. so if your touchscreen works on debian, it will probably work on raspbian too
[14:23] * zproc (~zproc@laf31-6-82-241-3-109.fbx.proxad.net) has joined #raspberrypi
[14:23] <jrtappers> it doesn't work, I cant test it atm because thte screens power supply has broken
[14:24] <chithead> if it cannot be made to work on debian, then the chances are slim
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[14:31] * Mr_P (~gerhard@chello080108255018.3.14.vie.surfer.at) Quit (Ping timeout: 260 seconds)
[14:32] * gordonDrogon is back.
[14:32] <gordonDrogon> Grievar, yes - I've done a *lot* with the ATmegas and both I2C and SPI. Still don't like I2C though :)
[14:32] * KiltedPi (~Nbane@host-92-30-102-195.as13285.net) has joined #raspberrypi
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[14:34] * mpmc is now known as mpmc|Away
[14:34] <Maxou56800> Hello Guys
[14:36] * oli123456789 (~oli@ste-191-190.readingconnect.net) has joined #raspberrypi
[14:36] <Maxou56800> I have a question... I want start a dhcp server on my rpi if no dhcp server is detected on my home network. Its possible?
[14:36] <Maxou56800> If yes how?
[14:37] <tkeranen> yes. install dhcp daemon and configure it.
[14:37] * KiltedPi (~Nbane@host-92-30-102-195.as13285.net) Quit (Ping timeout: 256 seconds)
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[14:41] <dwatkins> Maxou56800: I think you can give DHCP daemons a priority, so if there's another one it might take prescidence, not sure.
[14:43] * xCP23x (~xCP23x@ Quit (Ping timeout: 276 seconds)
[14:45] <steve_rox> wonder when pi cam will show up ,it did not arrive in time for my bday
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[15:22] * ChanServ sets mode +o ReggieUK
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[15:49] <Martin`> 5v on the gpio header is just 3.8v :(
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[16:07] * zabomber (~zabomber@gateway/tor-sasl/zabomber) Quit (Write error: Broken pipe)
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[16:17] <DooMMasteR> narf is there a working way to blank the console when playing video via OMXplayer over the network?
[16:17] <DooMMasteR> so I am using OMXPLAYER via ssh
[16:18] <DooMMasteR> and the sonsole cursor and stiff is still showing up on screen while playing video -.-
[16:20] * Cykey (~textual@modemcable119.94-162-184.mc.videotron.ca) has joined #raspberrypi
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[16:26] * Ballresin (~anonymous@ Quit (Read error: Connection reset by peer)
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[16:33] <chod> DooMMasteR: there must be a blank command to start with a clear console
[16:34] * znode (~znode@ Quit (Ping timeout: 276 seconds)
[16:38] * drago757 (~drago757@pool-173-66-42-163.washdc.fios.verizon.net) has joined #raspberrypi
[16:40] <ParkerR> chod, clear
[16:40] <ParkerR> clear & omxplayer -o hdmi somefile
[16:41] <ParkerR> Not sure how you would do it via SSH
[16:41] * chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) Quit (Ping timeout: 260 seconds)
[16:41] <ParkerR> DooMMasteR, ^
[16:41] * chod nods
[16:42] * dcorona_irc_2020 (~Adium@unaffiliated/dcorona-irc-2020/x-1034130) has joined #raspberrypi
[16:43] <chod> can commands be aliased then direct back to the real commands
[16:43] * KiltedPi (~Nbane@host-92-30-102-195.as13285.net) has joined #raspberrypi
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[17:00] * SpaceBass (~SP@173-167-53-210-cpennsylvania.hfc.comcastbusiness.net) Quit (Read error: Connection reset by peer)
[17:09] * chod (~chod@toy-town.demon.co.uk) Quit (Quit: Lost terminal)
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[17:10] * Twi7ch (~root@S010600265ab8efa8.vw.shawcable.net) Quit (Ping timeout: 264 seconds)
[17:11] <TomWij> ParkerR: You can pipe clear to the pty/tty.
[17:11] <TomWij> Or rather, redirect it. Like `clear > /dev/tty1`
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[17:44] <ShiftPlusOne> Anyone happen to know of any raspberry pi status page projects... just something you can throw on a web server and monitor ram usage and so on? Someone on the forum is asking, but I don't know any off the top of my head.
[17:45] <Twist-> ShiftPlusOne: Something like Conky?
[17:46] <ShiftPlusOne> perhaps like conky, but in a web page.
[17:47] <ShiftPlusOne> I know there are lots of them out there, just can't find any.
[17:48] * thomashunter (~thomashun@ has joined #raspberrypi
[17:49] <atouk> <- status page apache/php
[17:49] <ShiftPlusOne> atouk, already recommended yours, since it's the only one I knew =)
[17:50] <ParkerR> Hmm need some ideas on what to do with this thing http://www.youtube.com/watch?v=X1s0rELhYxM
[17:50] * NIN101 (~NIN@p5DD29320.dip0.t-ipconnect.de) has joined #raspberrypi
[17:50] <Twist-> ShiftPlusOne: Nagios? MRTG?
[17:50] <ShiftPlusOne> just found cacti as well
[17:50] <atouk> k just saw last messages. didn't scroll back
[17:50] <ShiftPlusOne> Twist-, thanks
[17:50] <ParkerR> atouk, For the sake of your Pi use nginx or lighttpd
[17:50] <mfletcher> Anyone got any advice on how to recover a corrupted sd card from a Raspberry Pi?
[17:55] <ShiftPlusOne> There are lots of things you can try, but they are usually not worth the effort.
[17:58] * room2426 (~room2426@unaffiliated/room2426) has joined #raspberrypi
[17:59] * mdim (~user@c-98-202-219-86.hsd1.ut.comcast.net) has joined #raspberrypi
[18:00] <mfletcher> Just better off to re-create the image then? Bah.
[18:00] <ShiftPlusOne> Have you tried the obvious? (fsck)
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[18:02] * mdszy (~mdszy@unaffiliated/mdszy) Quit (Quit: bye for now)
[18:03] * room2426 (~room2426@unaffiliated/room2426) Quit (Remote host closed the connection)
[18:05] * markbook (~markllama@146-115-98-74.c3-0.brl-ubr1.sbo-brl.ma.cable.rcn.com) Quit (Ping timeout: 256 seconds)
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[18:11] <gordonDrogon> what a funny old sunday afternoon.
[18:12] * cccyRegeaneWolfe is now known as cccy_RegeaneWolf
[18:13] * DaQatz (~DB@pool-71-161-101-80.cncdnh.east.myfairpoint.net) has joined #raspberrypi
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[18:14] <Armand> Tis quiet, gordonDrogon
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[18:17] <mfletcher> Yeah tried that still get errors.
[18:18] * jimerickson (~jimericks@pdpc/supporter/active/jimerickson) Quit (Ping timeout: 256 seconds)
[18:19] <mfletcher> never mind found a link online, going to try that
[18:19] * jimerickson (~jimericks@pdpc/supporter/active/jimerickson) has joined #raspberrypi
[18:20] <home> ok guys
[18:20] <home> I am hunting for a battery
[18:20] <home> to power my rpi
[18:20] <home> and an arduino also :/
[18:22] * Aranel (~Aranel@unaffiliated/aranel) Quit (Ping timeout: 240 seconds)
[18:22] <atouk> http://www.ebay.com/itm/Refurbished-Industrial-Forklift-Battery-24V-36V-48V-/110830440705
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[18:22] <ParkerR> atouk, Haha
[18:24] <home> woah 0_
[18:24] * mrmoney2012 (~mrmoney20@5e061dfb.bb.sky.com) has joined #raspberrypi
[18:24] <home> something around 5v plox
[18:24] <_Trullo> you can run many pi's on a forklift battery
[18:25] <atouk> but you really should order the wheel kit so you can move it around easier
[18:25] <|Jeroen|> lol, not realy verry mobile no
[18:26] <Armand> lolol
[18:26] <|Jeroen|> and a bit expensive
[18:26] <Armand> Reminds me.. I need around 576Ah @ 12v.
[18:26] <|Jeroen|> buying a 2000$ battery for a 35$ device
[18:27] <atouk> it's not the price, but the shipping that puts it over the top
[18:27] <mrmoney2012> is there an easy fix for this??? i have to specify aplay /home/pi/sounds/bigben.wav -D sysdefault:CARD=Device ???. i.e. i have to add the -D bit
[18:28] <mrmoney2012> usb sound card if it matters
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[18:45] <dexta> evening ppls
[18:45] * techkid6 (~techkid6@c-69-248-112-7.hsd1.pa.comcast.net) Quit (Quit: leaving)
[18:47] <ParkerR> dexta, hola
[18:48] <home> DEXTA
[18:48] <home> gimme me
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[19:10] * KiltedPi (~Nbane@host-92-30-102-195.as13285.net) has joined #raspberrypi
[19:11] <KiltedPi> Anyone find their monitor has gone a weird hue of blue, after using their pi
[19:12] <ParkerR> KiltedPi, Hasn't happened for me
[19:12] <ParkerR> Is it possible that it put the monitor into another mode?
[19:13] <KiltedPi> I believe so!
[19:13] * wiiguy (~fake@unaffiliated/wiiguy) has joined #raspberrypi
[19:13] <KiltedPi> What should I look for? Like a degauss option?
[19:13] * KiltedPi shows his age
[19:13] <ShiftPlusOne> KiltedPi, Only when moving towards the monitor at a very fast speed.
[19:13] <ParkerR> No I mean like how sometimes there are different modes like RGB and such
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[19:22] * Delboy (~openwrt@141-136-220-243.dsl.iskon.hr) Quit (Ping timeout: 264 seconds)
[19:23] <ParkerR> 6
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[19:33] <SgrA> Can you use the RPi as a JTAG programmer/debugger?
[19:33] * bge (~sticks@86-60-194-238-Dyn-dsl.ssp.fi) has joined #raspberrypi
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[19:37] <KiltedPi> Don't know what a JTAG is.
[19:37] <KiltedPi> :/
[19:38] <KiltedPi> An RPi is a 512 mb Computer tho. I know that much
[19:38] * jimerickson (~jimericks@pdpc/supporter/active/jimerickson) has joined #raspberrypi
[19:39] <ShiftPlusOne> Where would we be without kilted's helpful input =p
[19:39] <SgrA> KiltedPi: Mine is 256 MB. :3
[19:39] <Firehopper> sgra, maybe if there was linux software for arm to do so..
[19:40] * Firehopper yawns and waits for his rpi to finish upgrade.
[19:40] <SgrA> Firehopper: How about OpenOCD?
[19:40] <Firehopper> also waits for the wifi dongle
[19:40] * mrmoney2012 (~mrmoney20@5e061dfb.bb.sky.com) Quit (Quit: mrmoney2012)
[19:40] <ShiftPlusOne> I don't think there is any hardware limitation that would prevent you from using rpi for jtag, but whether software is already available... I don't know.
[19:40] <Firehopper> sgra, dont know about that. :) I only just started with my rpi
[19:40] * mrmoney2012 (~mrmoney20@5e061dfb.bb.sky.com) has joined #raspberrypi
[19:40] * mrmoney2012 (~mrmoney20@5e061dfb.bb.sky.com) Quit (Client Quit)
[19:40] <SgrA> Well, I found OpenOCD in Arch's repositories for the RPi.
[19:41] <Firehopper> how do you check to see if your rpi is fetching time from the internet?
[19:41] <SgrA> Well, now I know that there's no theoretical limitation.
[19:41] <SgrA> Worth a try.
[19:41] <SgrA> ntpq -p?
[19:41] <SgrA> Are you on Raspian?
[19:41] <Firehopper> SgrA, you would have to make your own rpi > jtag adaptor prolly though
[19:41] <Firehopper> yes on raspian
[19:42] <Firehopper> not in x though.. I'm avoiding that for now..
[19:42] <SgrA> I'm not very sure, try ntpq -p.
[19:42] <ShiftPlusOne> SgrA, just found this (haven't read it so it might not be relevant) http://mm0zct.tumblr.com/
[19:42] <Firehopper> I also wonder if I should try and get a bigger sd card..
[19:42] <Torikun> 8GB would be perfect
[19:43] * t3ch (~t3ch@unaffiliated/t3ch) Quit (Ping timeout: 256 seconds)
[19:43] <SgrA> Mine is 8 GB, does a good job as a hostapd + pdnsd + bnc. :P
[19:43] <ShiftPlusOne> https://github.com/dwelch67/raspberrypi/tree/master/armjtag
[19:43] <SgrA> ShiftPlusOne: The first link looks interesting too.
[19:44] <Firehopper> I'm running base raspbian, on a 4 gig card..
[19:44] <SgrA> Worth a shot now, instead of looking for something like Riffbox.
[19:44] <ShiftPlusOne> I see that there is a reference to openocd on dwelch's armjtag as well
[19:44] <Firehopper> nothing special loaded or setup cept the i2c stuff
[19:45] <SgrA> Never used Raspian, sorry. :/
[19:45] <Firehopper> I'm also pondering getting a controller board for my unused 17" laptop lcd I have lyin around..
[19:45] <Firehopper> that would give me a thin 17" hdmi screen just for the RPI :)
[19:46] <rikkib> SgrA, I use JTag and OpenOCD for my STM32V but on X86. I doubt the RPi is capable of running the Eclipse/OpenOCD combination I use.
[19:47] <SgrA> Eclipse is heavy. :/
[19:49] <rikkib> Certainly is
[19:50] * sphenxes01 (~sphenxes@91-119-107-49.dynamic.xdsl-line.inode.at) Quit (Ping timeout: 255 seconds)
[19:50] <rikkib> Perhaps OpenOCD will work by itself.
[19:51] <rikkib> You do not need Eclipse to build
[19:52] <SgrA> I'll have to read up again, its my first go at JTAG too, but going by OpenOCD's description in the repos, it looks good.
[19:52] <SgrA> Its available in the Arch repos for for the RPi.
[19:52] <SgrA> So I won't have to compile it either.
[19:52] <rikkib> What micro are you using?
[19:52] <rikkib> What JTag?
[19:53] <SgrA> micro?
[19:53] <rikkib> I have Olimex ARM USB OCD H
[19:53] <rikkib> Chip?
[19:54] <SgrA> The device interface? :/
[19:54] * ldionmarcil (~user@unaffiliated/maden) has joined #raspberrypi
[19:54] <rikkib> Like I use the JTag for my STM32V
[19:54] <rikkib> Which is ARM 8
[19:55] * bge (~sticks@86-60-194-238-Dyn-dsl.ssp.fi) Quit (Ping timeout: 245 seconds)
[19:55] <SgrA> My goal was to use the RPi itself to interface with my phone, should I manage to brick it.
[19:56] <KiltedPi> oH
[19:56] <KiltedPi> Make your pi a server-
[19:56] <KiltedPi> And a website to interact with it, just run it on there like-
[19:56] <KiltedPi> Then open the website in your phone browser and do 'stuff'
[19:57] <KiltedPi> So, Python for your GPIO stuff, i.e) anything you are interfacing with your pi with-
[19:57] <KiltedPi> Otherwise, do 'stuff' browser based
[19:58] <SgrA> The entire idea of using a GUI tool sounds.. awkward to me. lol
[19:59] <KiltedPi> What is it you want to do SgrA?
[20:00] <SgrA> I'll be playing with bootloaders, etc, on my phone so there's a good chance that I'll mess something up.
[20:00] * bge (~sticks@86-60-194-238-Dyn-dsl.ssp.fi) has joined #raspberrypi
[20:00] * gado (~gado@unaffiliated/gado) has left #raspberrypi
[20:01] <SgrA> Getting a RIFF JTAG box for $150 doesn't sound like any idea, and I guess trying something out myself would teach a lot.
[20:04] <Firehopper> hrmm
[20:04] <Firehopper> okay
[20:04] <Firehopper> trying to use the command tvservice -s gives the error
[20:05] * Kane (~Kane@ has joined #raspberrypi
[20:05] <Firehopper> vchiq_lib incompatable lib. driver ver 2(min 2) and libarary version 6 ( min 3)
[20:05] <Kane> salut
[20:05] <Firehopper> how do I fix this?
[20:06] <ShiftPlusOne> rpi-update should do it
[20:07] <Firehopper> so sudo apt-get update?
[20:08] <ShiftPlusOne> try the apt route first and make sure everything is up to date there. If you are still getting a version mismatch after updating and restarting, try this https://github.com/Hexxeh/rpi-update
[20:09] * Cykey (~textual@modemcable119.94-162-184.mc.videotron.ca) has joined #raspberrypi
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[20:10] * Flexnard (~Flex@host-169-126-2-96.midco.net) Quit (Ping timeout: 255 seconds)
[20:10] <Firehopper> ShiftPlusOne, nope that didnt work. trying rpi-update
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[20:11] * mdszy (~mdszy@unaffiliated/mdszy) Quit (Disconnected by services)
[20:11] * mdszy_ is now known as mdszy
[20:11] * mdim (~user@c-98-202-219-86.hsd1.ut.comcast.net) Quit (Read error: Connection reset by peer)
[20:14] <Firehopper> sigh.. the sudo wget command failed
[20:15] <Firehopper> so I cant get the rpi-update thing
[20:15] <Firehopper> it says moved..
[20:15] <ShiftPlusOne> try wget https://github.com/Hexxeh/rpi-update/raw/master/rpi-update
[20:15] <ShiftPlusOne> sudo wget https://github.com/Hexxeh/rpi-update/raw/master/rpi-update -O /usr/bin/rpi-update && sudo chmod +x /usr/bin/rpi-update
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[20:17] <KiltedPi> FireHopper, you new to all 'this' too?
[20:18] * Nemo7 (~nemo@unaffiliated/nemo7) has joined #raspberrypi
[20:18] <Firehopper> KiltedPi, yeah :)
[20:18] <KiltedPi> It sounds silly, but have you got an internet connection through a wireless dongle?
[20:18] <Firehopper> I've messed with linux in the past..
[20:18] <KiltedPi> Like, a dongle plugged into your pi and stuff?
[20:18] <Firehopper> No wired atm
[20:18] <KiltedPi> kk
[20:18] <KiltedPi> And you managed to connect okay?
[20:18] <Firehopper> I have a wireless dongle on the way
[20:18] <Firehopper> yup
[20:18] <KiltedPi> Like, you can open a web browser okay?
[20:18] <KiltedPi> with midori or chrome or whatever?
[20:19] <Firehopper> gonna run ShiftPlusOne's new command..
[20:19] <Firehopper> I can run aptget
[20:19] <Firehopper> and update
[20:19] <KiltedPi> no no,
[20:19] <Firehopper> havent tried web yet..
[20:19] <KiltedPi> I mean, test your internet is working yeah?
[20:19] <Firehopper> cause I'm not in X yet
[20:19] <KiltedPi> because an "apt-get" will still do 'stuff'
[20:19] <KiltedPi> even without-
[20:20] <KiltedPi> because theres cached files and thing
[20:20] <KiltedPi> s
[20:20] <KiltedPi> aptitude is just a way to type one line in command line in linux systems, rather than browsing to a website and downloading etc
[20:21] <KiltedPi> wget is just a faster version of apt-get, to my limited understanding
[20:21] <ShiftPlusOne> ... O_o
[20:21] <pksato> no.
[20:21] <KiltedPi> This is what I learned yesterday incidentally!
[20:21] <KiltedPi> Damn!
[20:21] * home (~home@unaffiliated/home) Quit (Quit: Leaving)
[20:21] <Firehopper> ShiftPlusOne, your command worked
[20:21] <KiltedPi> pksato, the ultimate buzz killer!
[20:21] <KiltedPi> :)
[20:22] <pksato> wget ant apt-get are differet tools.
[20:22] <ShiftPlusOne> KiltedPi, with linux, it's not a good idea to make stuff up and then teach it to people.
[20:23] <frikinz> KiltedPi: apt-get indeed downloads the package but it also solves dependencies and downloads them. it then configures them and installs them. roughly..
[20:23] <pksato> And, aptitude is a debian tools. Not "linux".
[20:23] <|Jeroen|> lol and wget <> apt
[20:24] <ParkerR> !=
[20:24] <frikinz> ne
[20:24] <ShiftPlusOne> ~=
[20:25] <|Jeroen|> well i was talking sql :-)
[20:25] <ShiftPlusOne> I threw a bit of matlab in there for variety.
[20:25] <Firehopper> so is a 4 gig card plenty for me for now?
[20:26] <ShiftPlusOne> depends on what you want to do, but yeah.
[20:26] * gado (~gado@unaffiliated/gado) has joined #raspberrypi
[20:26] <Firehopper> running rpi-update after having to install git-core
[20:27] <Firehopper> I like the Rpi so far.. its a little slow.. ( a vm seems a bit faster)
[20:27] <Firehopper> but still its fun :)
[20:27] <Firehopper> waiting for the wifi dongle, and a slice of pi i2c port thingy
[20:27] <|Jeroen|> lol, yeah its not like a quad core pc
[20:28] <Firehopper> and I think I have internet access if the script is pulling things down with git..
[20:29] <gordonDrogon> |Jeroen|, <> is BASIC too :)
[20:29] <gordonDrogon> old Apple int basic used # for not equal...
[20:30] <|Jeroen|> yeah, i also do basic
[20:30] <|Jeroen|> its also php
[20:32] <Firehopper> yup this is gonna take a while :)
[20:33] <Firehopper> updating modules right now
[20:33] * znode_ (~znode@ Quit (Remote host closed the connection)
[20:35] <Firehopper> done, rebooting
[20:35] * Flexnard (~Flex@host-169-126-2-96.midco.net) has joined #raspberrypi
[20:37] <Firehopper> that fixed it ShiftPlusOne! thanks sir :)
[20:37] <ShiftPlusOne> np
[20:37] <ShiftPlusOne> I am surprised it worked tbh, but yay.
[20:39] * KiltedPi (~Nbane@host-92-30-102-195.as13285.net) Quit (Ping timeout: 256 seconds)
[20:40] * m8 (~mor@unaffiliated/m8) has joined #raspberrypi
[20:42] * m8 (~mor@unaffiliated/m8) Quit (Max SendQ exceeded)
[20:43] * m8 (~mor@unaffiliated/m8) has joined #raspberrypi
[20:43] <ParkerR> Firehopper, What was not working?
[20:44] * nils_2_ (~nils_2@unaffiliated/nils-2/x-2480262) has joined #raspberrypi
[20:44] <ShiftPlusOne> ParkerR, <Firehopper> vchiq_lib incompatable lib. driver ver 2(min 2) and libarary version 6 ( min 3)
[20:44] * m8 (~mor@unaffiliated/m8) Quit (Max SendQ exceeded)
[20:44] <ParkerR> Ahh
[20:45] * m8 (~mor@unaffiliated/m8) has joined #raspberrypi
[20:46] <Firehopper> trying the 900mhz overclock
[20:46] * nils_2 (~nils_2@unaffiliated/nils-2/x-2480262) Quit (Ping timeout: 252 seconds)
[20:46] * scummos (~sven@p4FDCEC75.dip.t-dialin.net) Quit (Ping timeout: 260 seconds)
[20:48] * KiltedPi (~Nbane@host-92-30-102-195.as13285.net) has joined #raspberrypi
[20:48] <Firehopper> that seems to be working as well
[20:48] * crouge (~crouge@user64.82-197-228.netatonce.net) has joined #raspberrypi
[20:49] <chod> GBGGggggggh
[20:49] <ParkerR> chod, ?
[20:50] * m8 (~mor@unaffiliated/m8) Quit (Ping timeout: 252 seconds)
[20:52] * chaz68 (~ChuckMast@wsip-24-234-137-89.lv.lv.cox.net) Quit (Read error: Connection reset by peer)
[20:54] * anunnaki (~christoph@c-174-55-35-255.hsd1.pa.comcast.net) Quit (Quit: Changing server)
[20:54] * nils_2_ is now known as nils_2
[20:54] <chod> sorry, scroll lock on headless
[20:54] * mrmoney2012 (~mrmoney20@5e061dfb.bb.sky.com) Quit (Quit: .)
[20:56] <KiltedPi> Firehopper- Thing is- You get a GPIO with your Rasby
[20:56] <KiltedPi> And- If you fry it- it only cost 30 quid at the end of the day
[20:56] * mgottschlag (~quassel@reactos/tester/phoenix64) Quit (Remote host closed the connection)
[20:57] <KiltedPi> also, if you are using a model A you will only have 256 meg of RAM
[20:57] * brzys (~quassel@86-63-126-137.sta.asta-net.com.pl) has joined #raspberrypi
[20:57] <KiltedPi> even 512 meg you get with the model b is pretty rubbish unless you are interfacing
[20:57] <chod> depends what you are trying to do
[20:57] <KiltedPi> Robotz.
[20:58] <chod> 512 is plenty
[20:58] <KiltedPi> @_@
[20:58] <chod> 8-}
[20:58] <gordonDrogon> Eeeee when I wur a lad ... 128 bytes we had...
[20:58] <chod> wot u trying todo
[20:58] <KiltedPi> They put someone on the moon with 56k man
[20:58] <chod> and got em back
[20:59] <|Jeroen|> there is discusion it was fake :-)
[20:59] <|Jeroen|> the shadows where wrong or somthing
[20:59] <chod> all cgi on a bbc b
[20:59] <KiltedPi> I'm actually not even typing on a keyboard right now, i'm using slot cards, arranged into an intricate pattern
[20:59] <jfmherokiller1> asm on the pi anyone ?
[20:59] <KiltedPi> Fifty billion slot cards.
[21:00] <piney> KiltedPi, watch out for those hanging chads :)
[21:00] <KiltedPi> Just to type this is requiring seven hundred IT engineers..
[21:00] <KiltedPi> :DDDD
[21:00] <KiltedPi> I think its a dis-service to say they didn't put a man on the moon
[21:01] <KiltedPi> but- I do find it odd the astronauts aren't all riddled with cancer
[21:01] <KiltedPi> from the radiation like.
[21:01] * Firehopper laughs. I ran a BBS on 640K memory a long time ago ..
[21:01] <chod> looking at tmux with irssi on the pi
[21:02] <KiltedPi> I think I might make a weather balloon one day, and measure the radiation up there
[21:02] <Firehopper> now lets see if I can get get to my pi via the pc..
[21:02] <KiltedPi> in the troposphere
[21:02] <|Jeroen|> lol
[21:02] <KiltedPi> find out for myself.
[21:02] * clonak (~clonak@ has joined #raspberrypi
[21:02] <|Jeroen|> a pi weather baloon i hope
[21:02] <KiltedPi> You KNOW IT.
[21:02] <KiltedPi> Wouldn't be hard either! The hard bit would be collecting the data
[21:03] <|Jeroen|> mhzz they should also do a pi micro satelite plan
[21:03] <KiltedPi> aCTUALLY!
[21:03] <KiltedPi> Jeroen-
[21:03] <KiltedPi> The brits are pioneering micro sattellites
[21:03] <KiltedPi> as we speak
[21:03] <|Jeroen|> yeah i know
[21:03] <KiltedPi> micro space ships. so cool!
[21:03] <|Jeroen|> cubesat ?
[21:03] <|Jeroen|> or somrhing
[21:03] <KiltedPi> Yeah!
[21:03] <KiltedPi> Its a brilliant idea-
[21:03] <|Jeroen|> i would love to launch one
[21:03] <KiltedPi> All that bloody space junk
[21:03] <|Jeroen|> if its affordable
[21:04] <KiltedPi> covered in astronaut faecece too incidentally kids
[21:04] <KiltedPi> faceace?
[21:04] <KiltedPi> poo.
[21:04] * znode (~znode@ has joined #raspberrypi
[21:04] * clonak1 (~clonak@ Quit (Ping timeout: 256 seconds)
[21:05] * Kaboon (kaboon@524A5520.cm-4-3b.dynamic.ziggo.nl) Quit (Ping timeout: 255 seconds)
[21:05] <KiltedPi> I wonder about making a weather balloon and sending it up now. I'd stick a geiger counter on there
[21:05] <KiltedPi> How would I retrieve the data tho.
[21:06] <|Jeroen|> ducktape an android phone to it
[21:06] * chaz68 (~ChuckMast@wsip-24-234-137-89.lv.lv.cox.net) has joined #raspberrypi
[21:06] <|Jeroen|> and use wifi with ssh
[21:07] <KiltedPi> Hah! I doubt there will be coverage up there tho!
[21:07] <KiltedPi> Up there WITH the satellites!!!
[21:08] * Retrospect (~Saicho@5ED312C6.cm-7-4a.dynamic.ziggo.nl) has joined #raspberrypi
[21:09] <|Jeroen|> would be cool to have a personal spy cam sat
[21:10] <KiltedPi> I doubt it could be traced back to anyone, but you would need to be pretty smart to get it to stay in geosynchronous orbit too
[21:11] * m8 (~mor@unaffiliated/m8) has joined #raspberrypi
[21:11] <Firehopper> yup ssh now working
[21:12] <Firehopper> and theres a board revision e?
[21:12] * coffe (~coffe@2001:16d8:ff00:857f:c0ff:e:0:2) has joined #raspberrypi
[21:12] <ShiftPlusOne> that's a rev 2
[21:13] <ShiftPlusOne> the 'revision' as reported in cpuinfo includes more information, for example, what factory it was made in and how much ram it has.
[21:13] * znode (~znode@ Quit (Ping timeout: 252 seconds)
[21:13] <Firehopper> and how can I read that info?
[21:14] <Martin`> I have rev 7
[21:14] <Martin`> cat /proc/cpuinfo
[21:14] <ShiftPlusOne> http://www.raspberrypi.org/phpBB3/viewtopic.php?f=63&t=32733#p281039
[21:14] <Firehopper> yeah my cpu rev is 7
[21:14] <ShiftPlusOne> http://raspberryalphaomega.org.uk/?p=428
[21:14] <Martin`> :P
[21:14] <Martin`> Revision : 0002
[21:15] <Martin`> so I have the 'Model B Revision 1.0 + Fuses mod and D14 removed',
[21:15] <ShiftPlusOne> no
[21:15] <ParkerR> I have Rev 7
[21:15] <ShiftPlusOne> that's a rev 1
[21:15] <Firehopper> hrmm..
[21:15] <ShiftPlusOne> Martin`, '0002' => 'Model B Revision 1.0',
[21:15] <Martin`> oh sorry
[21:15] <ParkerR> Oh wait
[21:16] <Martin`> I started in my head by one
[21:16] <ParkerR> Revison: 000f?
[21:16] <Martin`> 'Model B Revision 2.0 512MB',
[21:16] <ParkerR> Ahh "Rev2 Model B, 512MB RAM, Ethernet, two USB sockets, five LEDs, mounting holes, Pin3=GPIO1, Pin5=GPIO2, Pin13=GPIO27, 12C-1, 8 extra IO pads (P5)"
[21:16] <Martin`> wish I had that one, I only have 265mb ram :(
[21:17] <ParkerR> BogoMIPS: 697.95
[21:17] <Martin`> same :D
[21:17] <ParkerR> Sounds fancy XD
[21:17] <Martin`> bogomips : 4800.35
[21:18] * m8 (~mor@unaffiliated/m8) Quit (Ping timeout: 276 seconds)
[21:18] <ParkerR> O.o
[21:18] <Firehopper> so apparently I have a rev f board.. made by sony :)
[21:18] <Martin`> well, maybe that is not my pi
[21:18] <Martin`> :P
[21:18] <ParkerR> Martin`, Haha
[21:18] <Chetic> is it supposed to be possible to turn _on_ the TV through HDMI-CEC?
[21:18] <Firehopper> errr rev e rather
[21:18] <coffe> BogoMIPS : 531.66
[21:18] <ParkerR> Martin`, bogomips : 4255.98
[21:18] <coffe> guess i need to turn some thing on
[21:18] <Firehopper> made by sony :)
[21:18] <ShiftPlusOne> Chetic, if your tv supports it, yes.
[21:18] <Martin`> and only when it is in standby :P
[21:18] <ShiftPlusOne> (afaik anyway)
[21:19] <Martin`> is it also possible to change tv to a other channel?
[21:19] <Martin`> or only the channel where the hdmi device is?
[21:19] <ShiftPlusOne> just flash openelec and see
[21:20] * KiltedPi (~Nbane@host-92-30-102-195.as13285.net) Quit (Ping timeout: 256 seconds)
[21:20] <Martin`> I tried that, then I had a discussion with LG about the hdmi-sec support, and now they changed it on the website that my tv does not support it
[21:20] <ParkerR> My computer's cpuinfo http://pastebin.com/Cjy2CNsR
[21:20] * mrmoney2012 (~mrmoney20@5e061dfb.bb.sky.com) has joined #raspberrypi
[21:20] <ShiftPlusOne> ah, well then it's moot anyway.
[21:22] * KiltedPi (~Nbane@host-92-30-102-195.as13285.net) has joined #raspberrypi
[21:24] * Cykey (~textual@modemcable119.94-162-184.mc.videotron.ca) Quit (Quit: Computer has gone to sleep.)
[21:24] * datagutt (~datagutt@unaffiliated/datagutt) Quit (Quit: kthxbai)
[21:26] * coffe (~coffe@2001:16d8:ff00:857f:c0ff:e:0:2) Quit (Ping timeout: 264 seconds)
[21:26] <Martin`> why is the gpio pin on my pi only 3.8v instead of 5v?
[21:26] <Martin`> both 5v pins are 3.8v :(
[21:26] <|Jeroen|> the gpio is 3.3
[21:27] <ShiftPlusOne> he said the 5v pin is 3.8v
[21:27] <|Jeroen|> there is nu 5v gpio pin iirc
[21:27] <ShiftPlusOne> there are 2
[21:27] <|Jeroen|> no
[21:27] <|Jeroen|> ow
[21:27] <|Jeroen|> didn't know that
[21:27] * kcj (~casey@unaffiliated/kcj) has joined #raspberrypi
[21:27] * scummos (~sven@p4FDCEC75.dip.t-dialin.net) has joined #raspberrypi
[21:27] <|Jeroen|> strange
[21:28] <ShiftPlusOne> (pins 2 and 4)
[21:28] <pksato> 3.8V on pin 2 and 4?
[21:28] <Martin`> yes
[21:28] <|Jeroen|> aren't they just the power ?
[21:28] <ShiftPlusOne> I'd say make sure that you're looking at the right pins.
[21:28] <KiltedPi> Hah
[21:28] <ShiftPlusOne> http://elinux.org/images/2/2a/GPIOs.png
[21:28] <KiltedPi> Understatement!
[21:28] <pksato> Martin`: and TP1 to Tp2?
[21:29] * user82 (~user82@unaffiliated/user82) Quit (Remote host closed the connection)
[21:29] <ShiftPlusOne> yeah... I am pretty sure tp1 is electrically the same as the 5v pin, so if there's a difference, you may have broken physics. But I'd need to check the schematic to make sure.
[21:29] <|Jeroen|> yeah i power mine using those pins
[21:29] <Martin`> can not check it at the moment
[21:29] <ShiftPlusOne> I have just checked the schematic
[21:30] <ShiftPlusOne> yeah, the 5v pin and tp1 is exactly the same, so if there's a difference....
[21:30] <Martin`> ok
[21:30] <ShiftPlusOne> http://www.raspberrypi.org/wp-content/uploads/2012/10/Raspberry-Pi-R2.0-Schematics-Issue2.2_027.pdf
[21:30] <KiltedPi> What you guys powering?
[21:30] <KiltedPi> With those pins?
[21:30] <KiltedPi> Wee circuits?
[21:30] <ShiftPlusOne> I think you're not looking at the right pins.
[21:30] <ShiftPlusOne> KiltedPi, you can power the pi itself through those pins.
[21:30] * Kane (~Kane@ Quit (Ping timeout: 264 seconds)
[21:30] <Martin`> ShiftPlusOne: how about the r1?
[21:31] <KiltedPi> No kiddin'?
[21:31] <ShiftPlusOne> r1?
[21:31] <Martin`> rev 1
[21:31] <KiltedPi> nice
[21:31] <|Jeroen|> yeah i had no micro usb so power it using those pins
[21:31] <Martin`> I believe you can not power a rev 1 via the pins?
[21:31] <ShiftPlusOne> why not?
[21:31] <satellit_e> beware of the soft-fuses
[21:31] <ShiftPlusOne> You can't power it through USB
[21:31] <ShiftPlusOne> but gpio should work the same
[21:32] <Martin`> ok
[21:32] <Martin`> but then the 5v pin needs the be the same as the input or not?
[21:32] * clonak (~clonak@ Quit (Ping timeout: 246 seconds)
[21:33] <ShiftPlusOne> 5v pin is the same as input, escept the input goes through the polyfuse first
[21:33] <Martin`> ok
[21:33] <ShiftPlusOne> Rev1 schematics http://www.raspberrypi.org/wp-content/uploads/2012/04/Raspberry-Pi-Schematics-R1.0.pdf
[21:34] <Martin`> then my adapter is only giving 3.8v?
[21:34] <|Jeroen|> probalby
[21:34] <|Jeroen|> does it run ?
[21:34] <Martin`> yes
[21:34] <pksato> whith 3.8V, RPi not work proper.
[21:34] <ShiftPlusOne> I would be surprised if you pi booted if it was that way
[21:34] <mjr> Chromium-browser works surprisingly well on the pi now I got around to trying. Not snappy, but not horrible either.
[21:34] <|Jeroen|> even the nic?
[21:34] * scummos (~sven@p4FDCEC75.dip.t-dialin.net) Quit (Ping timeout: 260 seconds)
[21:34] <ShiftPlusOne> so I think you're not looking at the right pins.
[21:34] <Martin`> yes working fine
[21:34] <Martin`> using 1/2 and 3?
[21:35] <Martin`> eh ehm not counting right
[21:35] <Martin`> but I use the right i'm sure about it
[21:35] <Martin`> because I also use the txd/rxd pins
[21:35] <Martin`> and that is working
[21:36] <Martin`> and using the pin next to it as ground, en next to that one as 5v
[21:38] <Martin`> but I will recheck it this evening when I'm at home
[21:38] <Martin`> I can now only ssh to it
[21:38] * djazz is listening to spotify on his rpi!
[21:38] <djazz> without despotify etc..!
[21:39] <djazz> got libspotify working :)
[21:39] * [SkG] (~sconde@unaffiliated/skg/x-897332) has joined #raspberrypi
[21:40] <djazz> it segfaults sometimes, but it does that on laptop too
[21:40] * mdszy (~mdszy@unaffiliated/mdszy) Quit (Ping timeout: 276 seconds)
[21:40] * Viper7 (~Viper7@ppp121-44-169-43.lns20.syd7.internode.on.net) Quit (Remote host closed the connection)
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[21:46] * hk-duo (~z2sid@unaffiliated/hk-duo) Quit (Ping timeout: 260 seconds)
[21:47] * tedthegeek (~tedthegee@c-67-190-7-43.hsd1.co.comcast.net) has joined #raspberrypi
[21:47] * Nemo7 (~nemo@unaffiliated/nemo7) Quit (Ping timeout: 256 seconds)
[21:48] * Mr_P (~gerhard@chello080108255018.3.14.vie.surfer.at) has joined #raspberrypi
[21:50] * |Jeroen| (~jeroen@d5153E72C.access.telenet.be) Quit (Quit: Toedeloe)
[21:53] * clonak (~clonak@ Quit (Read error: Connection reset by peer)
[21:54] * peol (~andree@unaffiliated/peol) Quit (Ping timeout: 256 seconds)
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[21:56] * thomashunter (~thomashun@ Quit (Quit: zZz)
[21:58] <djazz> what is the best cli youtube player for the pi?
[21:59] <djazz> preferably ncurses-based
[22:00] <ShiftPlusOne> not so much a player, but youtube-dl
[22:00] <ShiftPlusOne> I think there's a way to pipe it straight to omxplayer though
[22:00] <djazz> ShiftPlusOne: yeah, I made a simple player/downloader using youtube-dl
[22:01] <djazz> search, top 7 results, play/download
[22:01] <ShiftPlusOne> Ah, then you know more about it than I anyway.
[22:01] <djazz> prompt-based, not ncurses
[22:03] * hybr1d8 (~cjd@ has joined #raspberrypi
[22:03] * Kaboon (kaboon@524A5520.cm-4-3b.dynamic.ziggo.nl) has joined #raspberrypi
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[22:06] * bortzmeyer (~stephane@2a01:e35:8bd9:8bb0:6d4b:4d39:f342:add9) Quit (Quit: Leaving.)
[22:07] * mrmoney2012 (~mrmoney20@5e061dfb.bb.sky.com) Quit (Quit: .)
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[22:16] * SgrA (~sgra@unaffiliated/sgra) Quit (Ping timeout: 255 seconds)
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[22:22] * Mr_P (~gerhard@chello080108255018.3.14.vie.surfer.at) Quit (Ping timeout: 252 seconds)
[22:26] * Mikelevel (~MoVeWoRk@60.Red-80-25-210.staticIP.rima-tde.net) Quit (Quit: Mikelevel)
[22:27] * Kaboon (kaboon@524A5520.cm-4-3b.dynamic.ziggo.nl) Quit ()
[22:30] * zproc (~zproc@laf31-6-82-241-3-109.fbx.proxad.net) Quit (Quit: zproc)
[22:32] * Mikelevel (~MoVeWoRk@60.Red-80-25-210.staticIP.rima-tde.net) has joined #raspberrypi
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[22:36] * _cheney (~cheney@nat.sierrabravo.net) Quit (Read error: Connection reset by peer)
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[22:39] * Datalink (~Datalink@unaffiliated/datalink) Quit (Ping timeout: 252 seconds)
[22:41] * Turingi (~devon@unaffiliated/devon-hillard/x-7250961) Quit (Read error: Connection reset by peer)
[22:42] * Flexnard (~Flex@host-169-126-2-96.midco.net) Quit (Quit: brb)
[22:43] * Flexnard (~Flex@host-169-126-2-96.midco.net) has joined #raspberrypi
[22:44] * Eliatrope (~speckius@ Quit (Ping timeout: 276 seconds)
[22:44] <ldionmarcil> hey. Anybody tried setting up a google music uploader/manager on their pi?
[22:50] <rikkib> Container unloading at the PC Recycle co.
[22:51] * scorphus (~scorphus@CAcert/User/scorphus) has joined #raspberrypi
[22:51] * bge (~sticks@86-60-194-238-Dyn-dsl.ssp.fi) Quit (Ping timeout: 252 seconds)
[22:51] <rikkib> Wow that driver did not muck around dropping that container
[22:52] * FR^2 (~fr@krlh-5f71fbf0.pool.mediaWays.net) Quit (Quit: und weg...)
[22:55] * bge (~sticks@86-60-194-238-Dyn-dsl.ssp.fi) has joined #raspberrypi
[22:57] * scorphus (~scorphus@CAcert/User/scorphus) Quit (Ping timeout: 255 seconds)
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[23:04] <KiltedPi> What level programming wizard does this make me-
[23:05] * KiltedPi know understands the lambda command struture when calling functions
[23:05] * NIN101 (~NIN@p5DD29320.dip0.t-ipconnect.de) Quit (Quit: NIN101)
[23:05] <KiltedPi> i never understood why it worked-
[23:05] <KiltedPi> But I think I get it now
[23:05] <KiltedPi> :D
[23:06] * xCP23x (~xCP23x@ Quit (Ping timeout: 245 seconds)
[23:06] * thomashunter (~thomashun@ Quit (Ping timeout: 244 seconds)
[23:06] <gordonDrogon> very good. but do you have a real-world use for it ...
[23:08] <ldionmarcil> a real world use for lambda functions?
[23:08] <ldionmarcil> those are quite handy...
[23:08] <KiltedPi> Well!
[23:09] <KiltedPi> I just used it with a tkinter GUI-
[23:09] <KiltedPi> I was having problems running a tkinter (Windows like GUI emulation) in python-
[23:10] <KiltedPi> It was running two loops essentially, and unnecessarily- so I fed in a lambda argument-
[23:10] <KiltedPi> and voila!
[23:10] <KiltedPi> Works!
[23:10] <KiltedPi> Its funny
[23:10] <KiltedPi> Sometimes- things just 'click' in coding
[23:10] <KiltedPi> Like pointers in C++... I struglled with them for so long
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[23:12] <gordonDrogon> Hm.
[23:12] <gordonDrogon> oddly enough I never had any issues with pointers in C.
[23:12] <gordonDrogon> when I started.
[23:13] * mfletcher (~mfletcher@c-24-12-13-205.hsd1.il.comcast.net) Quit (Quit: mfletcher)
[23:13] <gordonDrogon> done any assembly programming?
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[23:29] <_ember> did someone implement complementary filter fo accylerometer and gyroscope?
[23:30] <_ember> I'm a bit confused with input data to it
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[23:44] <_ember> so I guess not :)
[23:46] <KiltedPi> nope
[23:47] <KiltedPi> :/
[23:47] <SpeedEvil> _ember: kalman filter
[23:47] <_ember> I have problems with complementary, and you recomend me kalman ? :)
[23:47] <SpeedEvil> :-)
[23:47] * dreamon_ (~dreamon@unaffiliated/dreamon) Quit (Read error: Connection reset by peer)
[23:48] <SpeedEvil> well, either you get it, or your head explodes.
[23:48] <SpeedEvil> either way, problem solved.
[23:48] <SpeedEvil> what are you trying to do?
[23:48] <SpeedEvil> and do you Aldo have a compass?
[23:49] <_ember> I'm trying to recognize position of object, but I do not know how to calcualte pitch,rolla and yqr from accelerometer
[23:49] <_ember> yes I do, but for now I wan't to use just acc + gyro
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[23:50] <_ember> actualy I just need to calculate all acceleration forces (in all directions) but without graivty
[23:50] <SpeedEvil> you can't.
[23:50] <_ember> yes, I know :)
[23:50] <_ember> I mean not all of them
[23:51] <_ember> but complementary gets angles calculated form acc measures, am I right ?
[23:51] <SpeedEvil> you can have a rotating vector spun around by the short term gyro inputs.
[23:51] <SpeedEvil> this is the output of the accelerometer
[23:51] <SpeedEvil> then you average this for 30s.
[23:51] <SpeedEvil> this is very likely 'down'
[23:52] <SpeedEvil> but you only have down, accelerometer doesn't give you heading
[23:52] <_ember> I know what it gives me
[23:53] <_ember> well, I read that complementary takes pitch,roll and yaw calculated form acc - and this is where I'm confused
[23:53] <SpeedEvil> and of course quite noisy position, once you finish the double integration
[23:53] <SpeedEvil> err
[23:53] <SpeedEvil> not familiar with the term
[23:55] <_ember> well, I don't quite understand what you mean
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[23:58] <SpeedEvil> sorry, I'm mostly asleep
[23:58] <SpeedEvil> some people over on ##highaltitude have been playing with 'ins' also ##robotics
[23:58] <SpeedEvil> ##electronics too
[23:59] <_ember> ok, thanks :)

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