#raspberrypi IRC Log

Index

IRC Log for 2013-09-07

Timestamps are in GMT/BST.

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[0:01] <hotch> sover: looking to do the same - what are you using for storage/logs etc?
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[0:02] <sover> tmpfs xD
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[0:02] <sover> with cron and sometimes other triggers to drop the logs off of the edge
[0:02] <sover> though if we wanted them, we'd probably mount a samba share, maybe
[0:03] <plugwash> AIUI it's fairly easy to mod a system for readonly if you never want to update it again
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[0:03] <plugwash> the trickier thing is modding a system for readonly in a way that still lets you enable read/write and update it from time to time
[0:03] <hotch> i must take these steps :) it's getting old setting up / imaging cards over and over
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[0:07] <Sonny_Jim> plugwash: Did you do some work with the Pi and MESS/MAME?
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[0:10] <plugwash> No
[0:11] <Sonny_Jim> Just reconised the name from somewhere
[0:11] <Sonny_Jim> rtlsdr?
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[0:14] * gyeben (1f2ec16f@gateway/web/freenode/ip.31.46.193.111) Quit (Quit: Page closed)
[0:15] <plugwash> can't say i've heard of rtlsdr either
[0:15] <sover> hotch, plugwash, it's not too bad setting /var as rw, and then pushing aptitude to do stuff there instead
[0:15] <DK-MODE> sover: Were you doing anything out of the ordinary to make the sd cards corrupt?
[0:15] <sover> you can use the remount configuration for apt.conf
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[0:16] <sover> DK-MODE: yes, giving them to users that don't know how to use poweroff or reboot in cli linux
[0:16] <hotch> lol sover
[0:16] <DK-MODE> oh fair lol
[0:16] * plugwash is the guy who basically runs raspbian
[0:16] <sover> ah, very cool
[0:16] <sover> great project
[0:16] * user82 (~user82@unaffiliated/user82) Quit (Ping timeout: 264 seconds)
[0:16] <sover> thanks for your work, we use it heavily
[0:16] <DK-MODE> I've only ever had trouble overclocking... which I gave up with...
[0:16] <sover> we're actually using raspbian in production :)
[0:17] <DK-MODE> is there a knack to stop corruption when overclocking?
[0:17] <sover> I haven't found a relationship between corruption and clocking,
[0:18] <sover> but if I had to guess, power source
[0:18] <sover> What is the AC adapter spitting at the pi?
[0:18] * StathisA (~StathisA@athedsl-374068.home.otenet.gr) Quit ()
[0:18] <sover> We're able to get away with low overclock @ 700mAh
[0:19] <DK-MODE> I had various attempts with lots of power supplies right up to 2A
[0:19] <DK-MODE> this was with my first pi, I just attributed it with the hynix memory
[0:20] <DK-MODE> I gave that one away with xbmc
[0:20] <DK-MODE> I haven't tried with my 512mb model
[0:20] <DK-MODE> I use that as an samba 4 DC for coding against at home, so I just don't wanna break it
[0:21] <sover> domain controller?
[0:21] <sover> defcon?
[0:21] <sover> district of columbia
[0:21] <DK-MODE> domain controller ;)
[0:21] <DK-MODE> which, for a £30 device, blows me away
[0:22] <sover> ah, honestly hard shutdowns and the occasional absent-minded physical removal of a live root filesystem were the only culprits for ours
[0:23] * averagecase (~anon@dslb-088-078-145-172.pools.arcor-ip.net) Quit (Quit: Verlassend)
[0:23] <DK-MODE> good to know, I willhave to treat myself to another one for tinkering with again
[0:23] <sover> absolutely
[0:24] <sover> we're able to push out locked-down payment card industry compliant credit card entry terminals for < $100
[0:24] <sover> our departments need only provide keyboard, mouse, and monitor
[0:24] <DK-MODE> that's bonkers
[0:24] <DK-MODE> I've seen very little commercial application of the pi
[0:24] <sover> yeah, they were skeptical of the idea at first
[0:25] * piedpiper (~pi@CPE-110-147-155-240.nhl8.cht.bigpond.net.au) Quit (Ping timeout: 268 seconds)
[0:25] <sover> but when I told them the business implications (cost, of course) and gave them assurance that we could do it
[0:25] <sover> they told me to go for it
[0:25] <sover> Our next step is to see if one of these: http://www.amazon.com/StarTech-3-Feet-Cable-External-Drive/dp/B0047AALS0/
[0:25] <sover> will power our terminals straight from the powered USB ports on the back of our dell monitors
[0:28] <sover> Built a piece-of-shit hand-made one of those USB Y-cables with my pocket knife, plugged it in, and through a multimeter at it. It read 5v @ ~1A
[0:28] * millerii (~pi@e218.ip3.netikka.fi) Quit (Ping timeout: 268 seconds)
[0:28] <sover> *threw
[0:28] <DK-MODE> yeah you should get the current of both ports
[0:28] <DK-MODE> nice :D
[0:28] <DK-MODE> well the very best of luck to you, I am off to bed
[0:28] <sover> thank you, have a good night
[0:29] <DK-MODE> ttfn!
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[0:32] <troulouliou_dev> hi is it possible now to build a raspberry with an armv7 cpu at the same price range
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[0:41] <SpeedEvil> Sure.
[0:41] <SpeedEvil> in principle.
[0:41] <Sonny_Jim> plugwash: rtlsdr is the project that uses the USB TV tuners as cheap radio receivers
[0:41] <SpeedEvil> Oooh - that reminds me
[0:41] <Sonny_Jim> I use mine to pick up pager signals
[0:42] <plugwash> troulouliou_dev, the bealglebone black is available which costs slightly more than a Pi but is in the same ballpark and has an armv7 cpu
[0:43] <plugwash> afaict it's weaker in the graphics department though
[0:43] <troulouliou_dev> plugwash, just would like to have a real desktop usable pi
[0:43] <SpeedEvil> hmm
[0:43] <SpeedEvil> http://apps.charitycommission.gov.uk/Showcharity/RegisterOfCharities/CharityWithoutPartB.aspx?RegisteredCharityNumber=1129409&SubsidiaryNumber=0
[0:43] <Sonny_Jim> troulouliou_dev: Well, mine works just fine as a desktop
[0:44] <Sonny_Jim> But you probably want a mini-itx board
[0:44] <SpeedEvil> Or a NUC
[0:44] <plugwash> SpeedEvil, mmm, i've looked up the raspberry pi foundation on the charities commission site several times. Unfortunatley the information the charities commission provides seems to have a long time lag on it
[0:44] <SpeedEvil> yeah
[0:44] <troulouliou_dev> Sonny_Jim, no those are too expensive
[0:45] <Sonny_Jim> I've seen them for <£100
[0:45] <Sonny_Jim> That's a cheap desktop
[0:45] <troulouliou_dev> Sonny_Jim, onlythe board or all the computer ?
[0:45] <Sonny_Jim> CPU, RAM + board
[0:45] <plugwash> Speedevil specifically the 2012 results aren't out yet and the raspberry pi foundation was tiny in 2011
[0:45] <SpeedEvil> plugwash: yeah
[0:49] <SpeedEvil> plugwash: I think they have to submit 2012 results by Nov 1
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[0:50] <SpeedEvil> As I read the rules as well - they don't have to submit much until they exceed 250K turnover
[0:51] <plugwash> True but i'm pretty sure they have
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[0:52] <plugwash> Heck even the "initial 10K" which the foundation handled directly would account for most of that turnover
[0:52] <plugwash> possiblly all of it
[0:53] <plugwash> and then there is the income from farnell/rs on top, I really can't see how they could be below £250K for 2012
[0:54] <SpeedEvil> possibly - depends how it was handled.
[0:55] <SpeedEvil> I really want to know what they're doing. i mean - sure - a camera board - great.
[0:55] <SpeedEvil> that's not however going to cost serious money.
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[0:56] <plugwash> well the initial 10K would have presumablly meant a lot of turnover but little "profit"
[0:56] <SpeedEvil> Oh - i agree
[0:56] <SpeedEvil> I'm talking more here of 2013 than 2012
[0:57] <plugwash> Yeah, we know they have hired some staff, hiring staff does cost "serious money"
[0:57] <SpeedEvil> quite.
[0:57] <SpeedEvil> Depending on where they're hired from.
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[1:55] <Sonny_Jim> Hmm
[1:55] * teepee (~teepee@p4FFFD092.dip0.t-ipconnect.de) Quit (Ping timeout: 240 seconds)
[1:55] <Sonny_Jim> Just spent the last 2 days waiting for MESS to finish compiling
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[1:55] <Sonny_Jim> Then someone in #messdev pointed out to me that the latest version has problems with BBC B emulation
[1:55] <Sonny_Jim> Erk
[1:56] <Phosie> ouch
[1:56] <Sonny_Jim> That was the whole reason I started, oh well
[1:56] <Sonny_Jim> At least I get like 400 other systems to play with
[1:56] <Sonny_Jim> btw BBC B emulation with advancemess is pretty good
[1:56] * Midnigh2ker (~Toker@unaffiliated/midnightoker) Quit (Ping timeout: 268 seconds)
[1:56] <Sonny_Jim> ~20fps on a 900MHz Pi, certainly better than BeebEm
[1:56] <Sonny_Jim> That was someting like 0.4fps
[1:58] <rbenv> Sonny_Jim, have you compiled _on_ raspberry pi?
[1:58] <Sonny_Jim> This is what I am doing
[1:58] <Sonny_Jim> Silly really, but I have time
[1:58] <Sonny_Jim> It's the only Linux box I have around atm
[1:59] <rbenv> holy shit, I thought that only me was so silly
[1:59] <Sonny_Jim> oh no, this isn't the first time
[1:59] <rbenv> I've compiled GTK3, wayland, weston and all of its dependencies
[1:59] <Sonny_Jim> I compiled gnu-radio on the Pi
[1:59] <Sonny_Jim> Oh but yours tops mine, kudos
[1:59] <rbenv> lol
[1:59] <Sonny_Jim> What was that, 4 days?
[1:59] * espiral (~maze@unaffiliated/espiral) Quit (Ping timeout: 256 seconds)
[2:00] <rbenv> what consumed most of my time was finding the dependencies
[2:00] <Sonny_Jim> yeah, MESS has stopped a few times with problems with compiler optimisations and running out of memory
[2:00] <rbenv> setting the right prefix, tuning up the makefile
[2:00] <Sonny_Jim> Right now I think I have about 1GB of swap
[2:00] <rbenv> about a week
[2:00] <Sonny_Jim> lol
[2:00] <Sonny_Jim> Good on ya
[2:01] <rbenv> ___on my work___
[2:01] <rbenv> lol
[2:01] <Sonny_Jim> I bet you used to run Gentoo as well?
[2:01] <rbenv> Not really, I'm a Debian guy
[2:01] <rbenv> OS X too
[2:01] <Sonny_Jim> ah
[2:01] <Sonny_Jim> You'd love Gentoo :-p
[2:02] <rbenv> I'm in my comfort zone with APT
[2:02] <rbenv> I like to know the name of packages
[2:02] <sney> gentoo can be pretty cool for weird hardware
[2:02] <rbenv> I've tried Arch on Pi
[2:03] <rbenv> it's pretty awesome, blazing fast
[2:03] <Sonny_Jim> it's great if you setup distcc and use that to compile for old laptops
[2:03] <Sonny_Jim> Squeeze every last drop out of them
[2:03] <Phosie> Arch is great on the pi.
[2:03] <rbenv> but I don't like that packaging snafu on Arch
[2:03] <sney> I did a stage 1 on a sparcstation 20 about 8 years ago, so I know what I would be in for doing something similar on a pi
[2:03] <sney> I stick with debian for x86 though
[2:04] <Sonny_Jim> Someone should do Linux From Scratch for the Pi
[2:05] <rbenv> sure, I would like to
[2:05] <rbenv> and I will have to]
[2:05] <rbenv> my company is using Pi's on products
[2:05] <Sonny_Jim> You could make a nice tiny OS with that and busybox
[2:05] <Sonny_Jim> oh yeah
[2:05] <rbenv> we dont use X server
[2:05] <Sonny_Jim> Was it you I was chatting to about the OpenGL implementation
[2:05] <rbenv> X's not welcome in embedded
[2:06] <rbenv> no, I'm new here (again)
[2:06] <rbenv> (on freenode)
[2:06] <Sonny_Jim> Honestly, I think Pi is great for messing around, but I would use something else if it was for work
[2:06] <Sonny_Jim> Stability doesn't seem to be it's strong point, at least for me
[2:06] <rbenv> Pi is POWERFUL
[2:06] <Sonny_Jim> err
[2:06] <rbenv> Dispman is fucking awesome
[2:06] <Sonny_Jim> bangs per buck, yeah it's ok
[2:07] <rbenv> I forget saying that I live in Brazil
[2:07] <rbenv> it's really expensive develop anything from scratch
[2:07] <Sonny_Jim> Oh no
[2:07] <Phosie> rbenv: language...
[2:07] <Sonny_Jim> I meant like mini-itx, beagleboard etcs
[2:07] <sney> by the way, there is a swearing rule in here, so anyone who has been saying naughty words might get kicked in like 15 minutes when one of the ops notices
[2:08] <Sonny_Jim> yeah, no warnings either
[2:08] <sney> just so there's no surprise
[2:08] <Phosie> Ninja'd
[2:08] <Sonny_Jim> So erm,
[2:08] <Sonny_Jim> This is your warning?
[2:08] <sney> (they should really get a bot for that)
[2:08] <rbenv> Phosie, sorry for dirty words lol
[2:08] <Phosie> sney: Agreed.
[2:08] <sney> run it on a pi so it's topical
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[2:08] <Phosie> PiBot
[2:08] <Sonny_Jim> If you want to get on Hackaday, run it on a Pi
[2:09] <Sonny_Jim> I've managed to get on there twice
[2:09] <rbenv> beagleboard is nice
[2:09] <rbenv> I've worked with AT92SAMG20 before
[2:09] <rbenv> its a nice processor, but lacks video processor
[2:13] * liar (~liar@83.175.90.24) Quit (Remote host closed the connection)
[2:13] <Phosie> It's been over a year and I still cant get over how small the pi is
[2:14] <rbenv> it's really small, the components was cleverly chosen
[2:14] <Sonny_Jim> Well, apart from the polyfuse on the USB....
[2:15] <rbenv> we use Pi on industrial level using external powered devices
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[2:15] <rbenv> even USB devices are powered externally
[2:17] <rbenv> we actually have a USB to 4 USART chip on a solution
[2:18] <plugwash> The Pi really isn't that small
[2:18] * djapo (~archie@108-245-234-171.lightspeed.hstntx.sbcglobal.net) has joined #raspberrypi
[2:20] <djapo> i em lauching xbmc from a tty shell but my keyboard does not work when the onscreen keyboard is up
[2:20] * [SkG] (~sconde@unaffiliated/skg/x-897332) Quit (Quit: Saliendo)
[2:20] <Sonny_Jim> Ctrl-alt-f7?
[2:20] <plugwash> I mean yes it's small by PC standards but you can get arm linux boards that make it look massive. Admittedly their pricetags make them a whole lot less attractive :/
[2:20] <rbenv> plugwash, it's small taking into account all the connectors, a HUGE sdcard slot
[2:21] <rbenv> wandboard is such a interesting board
[2:21] <rbenv> but it's pricey
[2:22] <plugwash> Actually that brings us to the other problem with the Pi from an "embedding" point of view. The connectors chosen make the effective size of the Pi much larger than the size of the raw board if you want to put the Pi and everything plugged into it inside an enclosure
[2:22] * plugwash thought the wandboard was cheap for what you get
[2:23] <plugwash> The wandboard quad is like half the price of a nitrogen6x
[2:23] * tjbenator (~tjbenator@c-67-160-48-249.hsd1.wa.comcast.net) Quit (Ping timeout: 260 seconds)
[2:23] * rbenv thinks it's cheap for what it does, too
[2:23] <rbenv> but I think Pi is perfect for a lot of solutions
[2:23] * Mr_P (~gerhard@chello080108255018.3.14.vie.surfer.at) Quit (Read error: Operation timed out)
[2:23] <rbenv> we have integrated a lot of systems on Pi
[2:23] * luke-jr_ (~luke-jr@unaffiliated/luke-jr) has joined #raspberrypi
[2:24] <plugwash> And the wandboard is pretty close to perfect for acting as an autobuilder to build packages for those Pis
[2:24] * Luke-Jr (~luke-jr@unaffiliated/luke-jr) Quit (Ping timeout: 260 seconds)
[2:25] <plugwash> https://twitter.com/plugwash/status/352919059068760065/photo/1 <-- my nitrogen6x and wandboard quad which are currently building raspbian jessie
[2:26] <rbenv> awesome!
[2:27] * cyphernaut (~user@gateway/tor-sasl/cyphernaut) Quit (Quit: cyphernaut)
[2:27] <rbenv> my wandboard has been arrested by customs, they taxed me 60% of it's value :(
[2:27] * luke-jr_ is now known as Luke-Jr
[2:28] * tombrough (~tom@cpc4-newt3-0-0-cust54.newt.cable.virginmedia.com) has left #raspberrypi
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[2:28] <plugwash> hmm where are you and where did you buy it from?
[2:29] <rbenv> I'm on Brazil
[2:29] <plugwash> ah :(
[2:29] <eggy> heh, this wandboard looks nice
[2:29] <rbenv> bought on digikey
[2:29] <eggy> but its pricey :)
[2:30] * jje (~jimericks@unaffiliated/jimerickson) Quit (Quit: leaving)
[2:30] <rbenv> sure it is, but it is almost a full computer
[2:30] <rbenv> :)
[2:31] * Romeo- (~romi@unaffiliated/romeo/x-000000001) Quit (Quit: Leaving)
[2:32] <plugwash> rbenv, which model of wandboard did you buy?
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[2:32] * sandman (~nobody@71-13-141-27.static.ftbg.wi.charter.com) has joined #raspberrypi
[2:33] <rbenv> plugwash, solo
[2:33] <rbenv> the cheapest one
[2:33] <plugwash> hmm, what attracted you to it?
[2:34] <rbenv> Actually having a gigabit lan
[2:35] <rbenv> HDMI
[2:35] <rbenv> so I can stream HD videos
[2:35] <plugwash> be aware that the gigabit ethernet on the IMX6 can't actually handle full gigabit throughput :/
[2:35] <plugwash> though it can do about half a gigabit iirc
[2:36] <rbenv> I need to stream something like 6 720p videos
[2:37] <rbenv> layout them on a grid
[2:37] <rbenv> and maybe on future, write to a SATA disk
[2:38] <plugwash> Are you aware that only the quad model has a functioning SATA port?
[2:38] <rbenv> yep
[2:38] <rbenv> but quad is too expensive actually
[2:39] <rbenv> 1 USD = 2,5 BRL
[2:40] * jerng (~jerng@dslb-092-074-079-024.pools.arcor-ip.net) Quit (Ping timeout: 246 seconds)
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[2:42] <rbenv> I'm running Kivy on RPi, it's awesome
[2:42] <rbenv> fast and fluid, low processing
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[3:37] <hotch> rbenv: wow Kivy is sexy
[3:37] <hotch> nice
[3:38] * JMichaelX (~james@199.21.199.156) Quit (Quit: Konversation terminated!)
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[3:41] <rbenv> yeah, a sexy UI for a sexy product :)
[3:42] * heathkid|2 is now known as heathkid
[3:43] <hotch> :)
[3:44] * featheredfrog (~mhofer@cpe-67-250-125-135.hvc.res.rr.com) has left #raspberrypi
[3:45] <rbenv> but python is somewhat a ugly language
[3:47] <hotch> whitespace in python, psshhhh fugly
[3:47] <hotch> I've been getting back into ASM, something sexy about it
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[3:53] * Kane (~Kane@ADijon-257-1-89-106.w86-218.abo.wanadoo.fr) Quit (Quit: Night all o/)
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[3:58] <Deadlights> Is it just me, or is the download page not working right for anyone else right now?
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[4:43] <opcode> python is fucking brutal, i can't wait until it's no longer "hip"
[4:43] <opcode> "yes, let's make indentation have semantic meaning, even though it's one of the least-standardized areas in typography"
[4:43] <opcode> gj guys
[4:44] * Syliss (~Home@adsl-108-198-103-209.dsl.chi2ca.sbcglobal.net) has joined #raspberrypi
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[5:28] <hotch> hah opcode
[5:31] <Syliss> anyone use usb audio out on the pi?
[5:33] * Gethiox (~gethiox@host-2-121.24.net.pl) Quit (Ping timeout: 240 seconds)
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[5:35] <hotch> just as a server … Syliss are you using it as a desktop? was always curious on that
[5:36] <hotch> bbl
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[8:48] <MordFustang> hi can anyone tell me how to take a screenshot without X server running?
[8:48] <j4jackj> Huh?
[8:49] <ShiftPlusOne> MordFustang, fbgrab
[8:50] <MordFustang> apt-get install fbgrab?
[8:50] <ShiftPlusOne> sounds like a start
[8:52] * Deadlights (~thedoctor@cpe-071-070-075-122.sc.res.rr.com) has joined #raspberrypi
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[9:05] <MordFustang> ShiftPlusOne: is maybe possible to take screenshot from python app that is playing something, I tried fbgrab and its just taking picture from terminal
[9:06] <ShiftPlusOne> depends on the python app
[9:06] <ShiftPlusOne> what is it actually doing?
[9:07] <MordFustang> Its a digital sigange player (screenly), I'm writing some article and want to take screenshot from it
[9:08] <ShiftPlusOne> Looks like it's using the GPU.
[9:08] <ShiftPlusOne> (trying to confirm)
[9:09] * Turingi (~devon@unaffiliated/devon-hillard/x-7250961) has joined #raspberrypi
[9:09] <ShiftPlusOne> yeah, it's using omxplayer. Can't take a screenshot.
[9:09] <psychiatronics> does $ gnome-screenshot work?
[9:10] <ShiftPlusOne> actually, look slike it's using 'feh' for images. =/
[9:10] <ShiftPlusOne> are you sure X11 isn't running?
[9:10] <MordFustang> I don't want to take picture from omxplayer, it's some regular html page
[9:11] <MordFustang> yes x11 is not running
[9:11] <psychiatronics> http://zapmaker.org/raspberry-pi/useful-utilities-for-raspberry-pi/
[9:12] <ShiftPlusOne> digging through the source code to figure out what it does
[9:12] <ShiftPlusOne> using uzbl as the browser... Why are you saying it's not using X?
[9:13] <MordFustang> :) becuase when I tried to take screenshot it was saying you are not running X server
[9:14] * Gethiox (~gethiox@host-2-121.24.net.pl) Quit (Ping timeout: 260 seconds)
[9:14] <ShiftPlusOne> then you did it wrong. When you run it, what's the output of 'ps aux' (pastebin)?
[9:15] <MordFustang> just a sec
[9:16] <MordFustang> http://pastebin.com/HdTq6UdU
[9:16] <ShiftPlusOne> I can definitely see X running there.
[9:17] <ShiftPlusOne> what are you using to take the screenshot?
[9:17] <MordFustang> scrot
[9:17] <ShiftPlusOne> unfortunate name
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[9:18] <ShiftPlusOne> you may have to set the right DISPLAY variable
[9:18] <ShiftPlusOne> might look like 'DISPLAY=:0 scrot...'
[9:19] <ShiftPlusOne> But yeah, screenly uses feh for images, omxplayer for video and uzbl as the browser and definitely runs on top of X.
[9:19] <MordFustang> yes I want to take picture from browser
[9:20] <ShiftPlusOne> scrot should work just fine if used right
[9:20] <MordFustang> giblib error: Saving to file /test.png failed
[9:20] <ShiftPlusOne> looks like you're trying to write to / (root)
[9:20] <MordFustang> sudo DISPLAY=:0 scrot /test.png No protocol specified giblib error: Can't open X display. It *is* running, yeah?
[9:21] <ShiftPlusOne> don't "sudo" for no reason
[9:22] * ikonia_ is now known as ikonia
[9:22] <MordFustang> im trying this on putty
[9:22] <ShiftPlusOne> what's the output of 'w' ?
[9:22] <MordFustang> what is 'w'?
[9:23] <ShiftPlusOne> just the letter w... run it
[9:23] * Viper-7 (~viper7@ppp121-45-182-86.lns20.syd7.internode.on.net) has joined #raspberrypi
[9:23] <MordFustang> 07:23:09 up 27 min, 1 user, load average: 0.99, 0.98, 0.89 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT pi pts/1 192.168.1.10 06:58 0.00s 1.75s 0.04s w
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[9:23] <ShiftPlusOne> that's all? (with screenly running?)
[9:24] <MordFustang> yes
[9:24] * ShiftPlusOne grumbles
[9:24] <ShiftPlusOne> hm
[9:24] <ShiftPlusOne> and if you run DISPLAY=:0 scrot ~/test.png ?
[9:25] <MordFustang> MAGIC it's working
[9:26] <ShiftPlusOne> Running that command or something else?
[9:26] <MordFustang> running this command
[9:26] <j4jackj> t/win 34
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[9:27] <ShiftPlusOne> excellent
[9:27] <ShiftPlusOne> no magic though
[9:27] <MordFustang> only colors support is not good (not showing gradient fine)
[9:27] <ShiftPlusOne> sure it's not just the display?
[9:28] <MordFustang> no I download picture to my pc
[9:28] <ShiftPlusOne> and you're seeing banding or what?
[9:28] <MordFustang> yes
[9:29] <ShiftPlusOne> yesh, might just be the monitor... or maybe some parameters you need to give scrot
[9:29] <ShiftPlusOne> 'yesh'? *yeah
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[9:29] <MordFustang> http://shrani.si/f/1F/2T/3hGTSNFU/zajeta-slika.png
[9:30] <ShiftPlusOne> hm, maybe the -q option
[9:30] <MordFustang> ok will try
[9:30] <psychiatronics> dude
[9:30] <psychiatronics> you need to use gnome-screenshot
[9:30] <psychiatronics> $ gnome-screenshot -d (window number)
[9:30] <ShiftPlusOne> and drag in pointless gnome dependencies?
[9:31] <psychiatronics> sudo apt-get install gnome-utils
[9:31] <ShiftPlusOne> '43956 packages to be installed' =P
[9:31] * jshfn (b6b20da7@gateway/web/freenode/ip.182.178.13.167) has joined #raspberrypi
[9:31] <psychiatronics> then use the gnome screen-shot -d (window number) to capture your screen
[9:32] <psychiatronics> i am off for the night
[9:32] <psychiatronics> take care
[9:32] <ShiftPlusOne> psychiatronics, how is that any better than using scrot? O_o
[9:32] <ShiftPlusOne> 'night
[9:32] <psychiatronics> it might work?
[9:32] <ShiftPlusOne> it already is working
[9:32] <psychiatronics> perfect then
[9:33] <psychiatronics> sorry , I was reading and missed the earlier convo
[9:33] <psychiatronics> got too excited and wanted to share :)
[9:33] <ShiftPlusOne> it's just compressing it badly... just needs the right -q argument.
[9:33] <ShiftPlusOne> guessing -q 100
[9:33] <psychiatronics> good night, it is 3:33AM here...
[9:33] * psychiatronics (~psychiatr@ip70-160-29-75.hr.hr.cox.net) Quit (Quit: Leaving)
[9:33] <jshfn> Hi, any experts who can help me with output to composite?
[9:34] <MordFustang> yes i tried -q 100 and its same quality
[9:34] <ShiftPlusOne> I have an idea... try gnome-screenshot >.>
[9:34] <MordFustang> :DS
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[9:36] <ShiftPlusOne> there's also imagemagick's import command, which should have less dependencies.
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[9:48] <vibhav> would I fry something if I connected an led the other way round?
[9:49] <johnc-> potentially
[9:49] <johnc-> it's a diode, so if it's the wrong way around you'll let current flow in the wrong direction
[9:50] <ShiftPlusOne> O_o
[9:50] <ShiftPlusOne> depends on the circuit, but typically not, no.
[9:50] <johnc-> thus potentially
[9:50] <vibhav> I'm scraed about connecting stuff via the GPIOs now :(
[9:50] * Enemby (~Enemby@c-98-202-153-124.hsd1.ut.comcast.net) Quit (Ping timeout: 264 seconds)
[9:51] <ShiftPlusOne> vibhav, just keep current limits in mind and you'll be fine.
[9:52] <ShiftPlusOne> vibhav, if it's a standard led and resistor in series, all that will happen if you hook it up the wrong way is that it won't light up.
[9:52] <vibhav> johnc-: If the current flows the other way round, wouldn't it flow from GND to GPIO?
[9:53] <vibhav> And since GND provides no current, nothing should go wrong, right?
[9:53] <ShiftPlusOne> impossible
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[9:53] <johnc-> heh
[9:53] <vibhav> ShiftPlusOne: Isnt the other end connected to GND?
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[9:54] <johnc-> you'll be fine
[9:54] <vibhav> (excuse my lack of electronic knowledge)
[9:54] <ShiftPlusOne> vibhav, other end of what? You're over thinking it. What you said initially was absolutely right.
[9:55] <vibhav> ShiftPlusOne: the other end of the led
[9:55] <ShiftPlusOne> vibhav, you have a resistor as well, right?
[9:55] <vibhav> yes
[9:56] <ShiftPlusOne> yeah, all good
[9:56] <vibhav> alright
[9:56] * vibhav connects stuff
[9:56] * ShiftPlusOne stands back and puts on safety goggles
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[9:57] <ShiftPlusOne> psychiatronics, that was quick
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[10:00] <vibhav> OMG ITS BLINKING
[10:00] <vibhav> wow
[10:01] <ShiftPlusOne> excellent
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[10:36] <garyserj> thoughts on this screen? is it too small http://www.phenoptix.com/products/2-diagonal-ntsc-pal-television-tft-display-from-adafruit-911?utm_source=googlepla&utm_medium=cpc
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[10:37] <ShiftPlusOne> too small for what?
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[10:43] <Enemby> Pretty sure there's cheaper larger screens
[10:43] <Enemby> though, so not sure why'd you want that one
[10:43] <Enemby> like this one for half the price:
[10:43] <Enemby> http://www.sainsmart.com/sainsmart-3-2-tft-lcd-display-touch-panel-pcb-adapter-sd-slot-for-arduino-2560.html?___store=en&___store=en
[10:44] <Enemby> or these bigger ones for even less :) http://www.amazon.com/gp/search/field-keywords=Mini%20Lcd%20Screen%20Raspberry%20Pi?ie=UTF8&redirect=true&tag=top5best-20
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[10:51] <garyserj> amazing, thanks
[10:53] <Enemby> No problem :)
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[11:50] <gordonDrogon> morning pi peeps.
[11:50] <Firehopper> morning
[11:50] <ShorTie> mornin
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[12:00] <garyserj> this screen says "serial interface" http://www.sainsmart.com/sainsmart-3-2-tft-lcd-display-touch-panel-pcb-adapter-sd-slot-for-arduino-2560.html?___store=en&___store=en <-- would it have a connector that sits on all the GPIO pins? or would it have a jumper like connector that just sits on two?
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[12:03] <ShiftPlusOne> Looks like you will need a jumper cable
[12:04] <ShiftPlusOne> (and that will use more than just two pins)
[12:06] <ShorTie> seeing as the arduino does not have the exact same gpio header as the rPi, it be kindda imposible to have some thing that just 'plugs in and works on both
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[12:07] <ShorTie> so like ShiftPlusOne sayed, some kind of cabling would be needed
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[12:08] * CheckMatt (52e80d1f@gateway/web/freenode/ip.82.232.13.31) has joined #raspberrypi
[12:08] <CheckMatt> Hello
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[12:08] * ChanServ sets mode +o ReggieUK
[12:09] <CheckMatt> I'm giving news about me : do you remember ? I wanted to know if my smartphone will work tethering on a Rpi with a 700mA PSU
[12:11] <CheckMatt> So, yes, it works ! My smartphone (Android Samsung Galaxy Ace) tether Wifi to the Pi, without usb powered hub. Just a 700mA PSU. But luckily, i've bought this hdmi to vga adaptator http://www.amazon.co.uk/Adapter-Power-Free-external-optional-Raspberry/dp/B00CH07AC2/ref=lh_ni_t?ie=UTF8&psc=1&smid=A1ZKG9B72CK840
[12:11] <CheckMatt> And that's good, because this adaptator has an external PSU
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[12:12] <ShorTie> how often do you charge your phone ??
[12:12] <CheckMatt> and that's good, because : when i plug my smartphone, if there's no PSU on the HDMI->VGA adaptator, the adaptor doesn't work (no much current)
[12:13] <CheckMatt> ShorTie: Once a day, or once for two days, it's depends on
[12:13] <CheckMatt> *it depends on
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[12:15] <CheckMatt> So, if you see a crazy man like, say him that tethering work, and that's no necessary to buy a usb powered hub or a wifi key
[12:16] <ShiftPlusOne> CheckMatt, tethering work, and that's no necessary to buy a usb powered hub or a wifi key
[12:18] <ShorTie> isn't that basically what the phone is being used for though ??
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[12:38] <gyeben> I am trying to compile and run an OpenGL ES app on my Pi, but it just doesn't work :( http://www.raspberrypi.org/phpBB3/viewtopic.php?f=63&t=54948
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[12:40] <ShiftPlusOne> did you modify the code to have the bcm init stuff?
[12:43] <garyserj> where can I get an RCA TFT powered by USB?
[12:43] <garyserj> TFT/LCD
[12:44] <ShorTie> modify a rear view tft lcd screen
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[12:45] <ShorTie> the mod just by passes the built in 12v - 5v regulator
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[12:55] <garyserj> I just found this page http://www.wisegai.com/2012/11/29/raspberry-pi-using-a-3-5-tft-car-monitor-optional-powered-using-usb/ <-- it talks about where to solder for the one he got. It seems he was able to remove the PCB in his screen and identify the model and type of chip and he found there was a DC/DC converter and where to solder. Is that going to be possible with any car TFT or just particular ones?
[12:56] <ShiftPlusOne> You can reverse engineer anything if you know what you're doing.
[12:56] * luser0 (~chatzilla@2602:306:36bb:3d99:21d:72ff:fea4:5b69) has joined #raspberrypi
[12:57] <ShiftPlusOne> but you won't know until you try
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[13:01] <garyserj> well, what if it didn't have a DC/DC converter?
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[13:03] <SpeedEvil> it will.
[13:03] <garyserj> I guess I buy one for $5, no prob.
[13:03] <SpeedEvil> no LCD display will be powered by 12V directly from the car
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[13:04] <garyserj> how do you know it will? are they too low power to take 12V internally?
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[13:04] <garyserj> a car at least in the uk, has a 12v charger
[13:04] <garyserj> i think
[13:05] <gordonDrogon> the little car reversing LCDs seem to work on the Pi
[13:05] <steve_rox> composite
[13:05] <gordonDrogon> they're composite video input though, so the resolution is low.
[13:05] <gordonDrogon> compost.
[13:05] <steve_rox> i was able to change the size of text so it can be read easier
[13:05] <steve_rox> but its still tricky
[13:05] <steve_rox> vid playback etc is okay tho
[13:06] <gordonDrogon> no worse than an old TV ..
[13:06] <gordonDrogon> I'd have thought :)
[13:06] <gordonDrogon> but smaller...
[13:06] <steve_rox> i also have it display the rpi cam preview which is cool
[13:06] <gordonDrogon> I'd need better reading glasses!
[13:07] <gordonDrogon> oh that's an idea.
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[13:07] <steve_rox> the display can be power hungry tho at 5v
[13:07] <steve_rox> i forget how much ma it takes
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[13:08] <steve_rox> but if your getting low power into the entire circuit the display seems to fail first before the rpi itself
[13:08] <garyserj> steve_rox: did you mod it? or was it naturally 5v?
[13:08] <steve_rox> was 12v to start with
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[13:08] <steve_rox> saw a diagram online to bypass a regulator
[13:10] <garyserj> is RCA always composite video?
[13:10] <steve_rox> err i think so
[13:10] <steve_rox> not sure
[13:10] <gordonDrogon> garyserj, yes.
[13:11] <gordonDrogon> RCA is just a trade name anyway, but it's turned into one of those generic terms.
[13:11] <ShiftPlusOne> I was under the impression RCA is the connector type and composite is how the video is encoded
[13:11] <garyserj> so can you put s-video through RCA?
[13:11] <gordonDrogon> no.
[13:12] <gordonDrogon> the physical connectors are often called phono plugs/sockets here (uk)
[13:12] <steve_rox> thought i saw a adapter so you could shove s vid thu composite once
[13:12] <Firehopper> rca could be audio or video
[13:12] <garyserj> what are the general standard types of video that can go through RCA?
[13:12] <Firehopper> or what ever you want really :)
[13:12] <garyserj> well, the red one, video.
[13:12] <Firehopper> composit or component
[13:12] <garyserj> i mean, yellow one.
[13:12] <Firehopper> composit is usually yellow..
[13:12] <Firehopper> component is red/blue/green
[13:13] <ShiftPlusOne> Not that it's relevant, but you can get composite from s-video with a filter, can't you?
[13:13] <gordonDrogon> s-video is separate channels for intensity and colour.
[13:13] <gordonDrogon> copmpsite is, as its name suggest all signals bundled into one.
[13:13] <gordonDrogon> you can convert one to the other, but it needs some circuitry.
[13:14] <garyserj> can the raspberry pi send component video out the RCA?
[13:14] <gordonDrogon> the other common one is split red, green & blue - sometimes with the sync. signals separated out too - VGA is like that.
[13:14] <Firehopper> luminice and crominance
[13:14] <garyserj> naturally, before conversion
[13:14] <ShiftPlusOne> garyserj, that's the only thing the pi can sent out the phono jack.
[13:14] <ShiftPlusOne> *send
[13:15] <gordonDrogon> indeed - the phono/rca jack is for composite video only.
[13:15] <garyserj> so if i managed to find a composite car lcd, and connect it to my rpi would it work?
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[13:15] <gordonDrogon> very probably.
[13:15] <garyserj> ah ok
[13:15] <Firehopper> video quality is usally (from lowest to highest) comosit, svideo, component, hdmi
[13:15] <steve_rox> they even turn self off into standby when no signal detected
[13:15] <gordonDrogon> and it won't be hard, as almost all of them are like that. If it has a (typical) Yellow connector then it's composite video.
[13:15] <Firehopper> vga and dvi are in there somewhere too
[13:15] <garyserj> but component one connected to rpi would probably not work?
[13:16] <Firehopper> correct
[13:16] <garyserj> and would be pointless 'cos rpi is composite
[13:16] <gordonDrogon> Firehopper, vga is analog component rgb+syncs. DVI is digital (but there is an analog specification for dvi connectors too)
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[13:17] <gordonDrogon> garyserj, you could probably connect the green component to the Pi's output - it may work as some monitors will accept sync on the green input.
[13:17] <steve_rox> not sure why but some tv i plug the rpi into display video as black and white
[13:17] <ShiftPlusOne> Is it a black and white tv? >.>
[13:17] <gordonDrogon> steve_rox, you may have the Pi set to ntsc & using a PAL TV or vice versa.
[13:17] <steve_rox> ah maybe thats it
[13:17] <steve_rox> on my other tv its colored fine
[13:17] <garyserj> <gordonDrogon> they're composite video input though, so the resolution is low. <-- but isn't the resolution always going to be low 'cos the rpi itself is composite
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[13:18] <steve_rox> btw i hear if you set refresh rate too high or res or something in the car composite lcd it can kill it
[13:18] <gordonDrogon> garyserj, the Pi can output full 1080p HD - that's 1920x1080 via the HDMI. Internally it can handle that, but for the composite , it's limited to 720i max. (AIUI)
[13:18] <ShiftPlusOne> garyserj, normally, you'd use hdmi. But yes, if you're going to use composite instead, prepare for sore eyes if you're going to be using it a lot.
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[13:18] <gordonDrogon> highly unlikely to kill a modern LCD with the wrong sync. frequency, etc.
[13:19] <garyserj> ok so RCA is a poor man's thing
[13:19] <steve_rox> the car reverseing lcd cheap build
[13:19] <gordonDrogon> (fwiw: I had a job desining/programming video generators some time back - the the bad old days of big analog screens it was possible to blow them up)
[13:19] <steve_rox> happy days
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[13:20] <gordonDrogon> garyserj, depends on your point of vie. RCA (or composite video) "just works", and it was the bleeding edge 20-30 years ago.
[13:20] <gordonDrogon> http://unicorn.drogon.net/piduino.jpg (my usual photo of a Pi displaying on a composite input monochrome monitor that might be older than some folks here ;-)
[13:21] <Firehopper> ewww.. monichrome green screen :)
[13:21] <ShiftPlusOne> what's in the box?
[13:21] <gordonDrogon> them were the days ;-)
[13:21] <gordonDrogon> what box?
[13:21] <ShiftPlusOne> under the screen
[13:21] <gordonDrogon> oh - that's an old 5.25" floppy disk box.
[13:22] <ShiftPlusOne> ah, exactly what I suspected =)
[13:22] <gordonDrogon> see them here: http://unicorn.drogon.net/lode.jpg
[13:22] <garyserj> oh RCA was the bleeding edge before VGA?
[13:22] <gordonDrogon> garyserj, yup.
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[13:22] <gordonDrogon> garyserj, VGA was the successor to CGA too.
[13:23] <Firehopper> http://www.flickr.com/photos/firehopper/8571797873/ < my pi :)
[13:23] <garyserj> is RCA-component 20-30 years old and predecessor to VGA?
[13:23] <BCMM> what are the requirements for booting the raspberry pi? can i just fat32 format an SD card and drop the bootfiles on to it, or is there some fancy alignment needed?
[13:23] <BCMM> (assume i'm dealing with the root partition via an initramfs)
[13:23] <gordonDrogon> BCMM, that's more or less it.
[13:23] <steve_rox> some custom lcd driver board thingy
[13:23] <Firehopper> mda, herculese, cga, ega, vga, svga, xga and so on :)
[13:23] <ShiftPlusOne> BCMM, afaik, it reads the first partition which needs to be fat32.
[13:24] <BCMM> ShiftPlusOne: yeah, but does it find it through the partition table or expect it to be at a given alignment?
[13:24] <Firehopper> bascily use the windows imagefilewriter thingy
[13:24] <ShiftPlusOne> I can't say with 100% certainty, but I am going to say it looks at the partition table
[13:24] <Firehopper> or DD in linux
[13:24] <garyserj> (i.e. i know RCA composite is 20-30 years old.. but is RCA component also?)
[13:24] <BCMM> gordonDrogon: could i tell somebody to format a card fat32 with windows and extract a .zip to the card, and expect the pi to boot that?
[13:25] <Firehopper> it reads the partitiion table and the fat :)
[13:25] <Jusii> no alignment needed, just first partition
[13:25] <Jusii> BCMM: yes
[13:25] <ShiftPlusOne> BCMM, definitely. That's how NOOBS works.
[13:25] <BCMM> cool
[13:25] <BCMM> ShiftPlusOne: NOOBS doesn't have a second partition that isn't fat32?
[13:25] <BCMM> what does it do, an initramfs that automates the partitioning process?
[13:26] <ShiftPlusOne> yeah, it partitions and writes the files
[13:26] <BCMM> cool
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[13:26] <gordonDrogon> you need to make sure you have a file on it that is actually loadable by the GPU
[13:26] <BCMM> i'm doing an initramfs that just automatically connects to the wifi and plays internet radio, basically
[13:26] <ShiftPlusOne> BCMM, if you look at the quickstart guide, that's exactly what they tell you to do... format and extract the zip file.
[13:26] <BCMM> ShiftPlusOne: cool
[13:27] <gordonDrogon> so bootcode.bin, start.elf and kernel.img
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[13:27] <ShiftPlusOne> BCMM, what are you using to make the initramfs root?
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[13:27] <BCMM> ShiftPlusOne: currently, i'm using the kernel build system to actually package the initramfs
[13:27] <BCMM> ShiftPlusOne: the filesystem i'm making with yocto
[13:28] <BCMM> it's fun trying to make a distro with the requirement that it fits in the pi's RAM :)
[13:28] <ShiftPlusOne> ah, nice
[13:28] <BCMM> i'm going to make yocto build the initramfs eventually, but right now i don't actually know how image recipes work
[13:28] <ShiftPlusOne> I've only done that with buildroot, but yocto seems a little more professional.
[13:29] <BCMM> (i just mount the ext4 image yocto makes and copy it to the dir the kernel looks in for the built-in ramfs)
[13:29] <gordonDrogon> My Laptop only has 512MB of RAM - same as the Pi...
[13:29] <BCMM> gordonDrogon: i'm targetting the model a - no point adding ethernet power consumption for a wireless media player :)
[13:29] <gordonDrogon> it wasn't really a challenge to get Debian going on it - put in CD, boot, install...
[13:30] <plugwash> Unlike the Pi though it presumablly has a hard drive
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[13:30] <BCMM> gordonDrogon: yeah but you're keeping your root fs on a disk, not in ram
[13:30] <BCMM> your hard drive is more than 512mb
[13:30] <BCMM> (presumably)
[13:30] <gordonDrogon> BCMM, well - all the rev 1 Pi's had 256MB of RAM - and they all ran just fine.
[13:30] <BCMM> sorry, that was intended as a question, rather than a statement
[13:30] <gordonDrogon> ah right - you want to run entirley from RAM.
[13:31] <BCMM> (and a rev 1 b is what i'm developing on)
[13:31] <gordonDrogon> I used to build PBXs based on Linux asterisk, apache & php which would boot off flash and live entirely in RAM in 256MB PCs.
[13:31] <gordonDrogon> /dev/ram0 136M 84M 52M 62% /
[13:32] <BCMM> gordonDrogon: i didn't mean "fun" sarcasticly (as in "very hard") - it's actually fun stripping down the OS for an actual reason, as opposed to doing it for dubious performance gains
[13:32] <gordonDrogon> sure - but it's very do-able.
[13:32] <garyserj> How can I tell whether there's a danger using a VGA-HDMI adaptor to plug a VGA screen into my RPI?
[13:33] <gordonDrogon> garyserj, if you get smoke, it's a danger.
[13:33] <garyserj> i've heard sometimes there can be.. something about it sapping power from it
[13:33] <garyserj> too late!
[13:33] <BCMM> ShiftPlusOne: i wasn't aware of buildroot, maybe it would have been an easier route...
[13:33] <garyserj> i mean danger to my RPI
[13:33] <BCMM> looks like noobs uses buildroot
[13:33] <gordonDrogon> garyserj, I've used them in the past with good results. got 1280x1024 out of the one I used.
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[13:34] <ShiftPlusOne> BCMM, it's very easy to use, since you can give it a kernel config and the github url for the kernel source and it will spit everything out ready to go. The problem is that it's very touchy, so you don't want to change too many settings at once.
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[13:34] <BCMM> ShiftPlusOne: does it have a library of packages available and stuff?
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[13:35] <ShiftPlusOne> BCMM, lots and it's fairly easy to add your own.
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[13:35] <BCMM> ShiftPlusOne: huh, wonder why both it an yocto exist
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[13:36] <BCMM> cause yocto is similar
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[13:36] <ShiftPlusOne> BCMM, yocto is more polished, it is built around a decent framework. Buildroot feels a little hacky.
[13:36] <BCMM> ShiftPlusOne: i am very impressed with yocto actually
[13:36] <BCMM> it's VERY good at letting you build on existing work with overlayed layers and bbappend files and stuff
[13:37] <ShiftPlusOne> If I had the time, I'd invest it in getting that hang of yocto, to be honest. Buildroot is just quick and easy to understand.
[13:38] <BCMM> but like pretty much any build system it's got that issue where it pulls variables from a dozen places making it fiddly to track down *why* it does something
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[13:38] <BCMM> ShiftPlusOne: have you used gentoo? it's kind of portagey
[13:38] <BCMM> (in concept, more than in actual usage)
[13:39] <ShiftPlusOne> yup
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[13:40] <BCMM> (i mean, yocto is portagey. gentoo is obviosly portagey)
[13:40] <ShiftPlusOne> yeah, I got it >_<
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[13:41] <BCMM> heh, i wonder whether it would have all been easier with buildroot. i'd look in to it, but i've JUST reached the point where it all works automaticlaly
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[13:42] <ShiftPlusOne> BCMM, NOOBS and BerryBoot are built using buildroot, so you'd have a base to start from as well. They just add their custom init scripts.
[13:45] <ShiftPlusOne> Now then... borsch time. <.<
[13:45] <BCMM> ShiftPlusOne: yeah, but it's already working with yocto... wonder if it could be lighter through buildroot though
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[13:46] <BCMM> it boots up, connects to the wifi (loading network config and wpa key from the fat32 partition), and you can play internet radio by predefined channel numbers on a USB numpad
[13:46] <ShiftPlusOne> depends on the recipes you use, I suppose. There is no reason you shouldn't be able to build something as light as possible using yocto.
[13:46] <BCMM> (predefined by saving playlists to the fat32)
[13:47] <BCMM> the idea is that even a windows user can set it up for their network and preferred stations
[13:47] <BCMM> ShiftPlusOne: yeah, all i have to do now that it works is find out how much i can remove without breaking it :)
[13:48] <BCMM> gordonDrogon, ShiftPlusOne: thanks for the information about boot
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[13:49] <ShiftPlusOne> np
[13:49] <BCMM> gordonDrogon: really only three files needed for boot? can i boot without config.txt? and what do the "fixup" files do?
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[13:51] <ShiftPlusOne> BCMM, if I recall correctly, gordon's method is to just copy the files from a debian system. You can take the files you know you need and then check what they are linked against to get the rest. Hifi's method seems to be to download .deb files and extract what's necessary from there, which also works quite well (check his raspbian installer, it's pretty tiny). https://github.com/hifi/raspbian-u
[13:51] <ShiftPlusOne> a-netinst/blob/master/build.sh
[13:52] <ShiftPlusOne> and yeah you can boot without config.txt
[13:52] <BCMM> ShiftPlusOne: yeah, so far i've just been dropping my kernel.img (with built in initramfs) in to raspbian's boot partition
[13:52] <Jusii> BCMM: http://elinux.org/RPi_Software
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[13:53] <BCMM> ShiftPlusOne: that's 404 here... i was going to get files from https://github.com/raspberrypi/firmware/tree/master/boot
[13:53] <BCMM> which is what the raspberry pi bsp for yocto does
[13:53] <ShiftPlusOne> https://github.com/hifi/raspbian-ua-netinst/blob/master/build.sh
[13:53] <ShiftPlusOne> split up across two lines >.>
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[13:56] <hifi> raspbian-ua-netinst mentioned
[13:56] <ShiftPlusOne> hifi, just mentioning different ways to make a small initramfs and using your way as an example.
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[13:57] <hifi> right, there are many ways to do that
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[13:57] <BCMM> hifi: am i right in saying that that basically pulls the basics (like libc) from raspbian packages, and makes an initramfs with them?
[13:57] <hifi> BCMM: eyes
[13:57] <hifi> yes*
[13:58] <BCMM> hifi: how do you then go about building extra packages that work with it? just build on raspbian?
[13:58] <hifi> BCMM: it's an installer, it doesn't do anything else than install raspbian, so it's used only for that special purpose
[13:58] <BCMM> hifi: fair enough
[13:59] <hifi> so no, I don't usually add packages/binaries and if I do I need to do some trial and error to get the dependencies working
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[13:59] <hifi> I wouldn't recommend that method for anything else than special purposes or unless you just want to avoid rebuilding anything
[14:00] <hifi> like I did, I didn't like recompiling everything, kept it a bit more simple that way
[14:00] <hifi> but as it's fairly simple at what it does it's more than enough
[14:04] * Mortvert (~Mortvert@reddit/operator/mortvert) Quit (Read error: Operation timed out)
[14:04] <BCMM> hifi: oh i see, it's a thing for started debootstrap?
[14:04] <BCMM> s/started/starting/
[14:04] <hifi> raspbian-ua-netinst (c)debootstraps a raspbian system on the same card it is launched from
[14:05] <hifi> reflects a minimal debian netinstall
[14:05] <BCMM> hifi: how small is the finished image?
[14:05] <hifi> depends on the default utilities you preselect
[14:05] <BCMM> nm, i read the github more carefully. 5mb is pretty coold
[14:05] <hifi> oh, you mean the installer image?
[14:05] <BCMM> (hifi: i meant the installer image, not the finished install)
[14:05] <hifi> right
[14:05] <BCMM> s/coold/cool/ (why cna't i type right now?)
[14:06] <hifi> 5MB is xz compressed though, if your target audience is windows users then zipping is better
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[14:07] <hifi> your project, I don't know, might work with the same method as creating an updated image is just re-running the "build system" that pulls the latest packages and does the magic
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[14:09] <hifi> but it's fairly manual process to create the build scripts and a lot of trial and error, might not be the ideal system for project that requires more than a handful of packages
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[14:10] <hifi> what you could do though, if you'd like to use a full raspbian install, is to pre-package the root filesystem which would be dd'd by the initramfs to the SD card on first boot
[14:11] <BCMM> hifi: thanks, but my aim is a larger initramfs
[14:11] <hifi> then you could pretty much do, say, raspbian-ua-netinst, install your required packages and do some pre-configuration, minimize the rootfs and then dd it out and compress
[14:11] <BCMM> with mpd, wpa_supplicant, etc.
[14:11] <hifi> then a minimal initramfs could just write it back on first boot
[14:11] <hifi> and a windows user can still just format as fat32 and copy files in
[14:11] <BCMM> hifi: by the way, you don't happen to know what the optimal initramfs compression is on the pi do you?
[14:12] <hifi> the kernel doesn't support anything else than gzip by default
[14:12] <BCMM> hifi: i'm building a custom kernel
[14:12] <BCMM> i mean, storage is slow, but so is cpu, so i'm assuming recieved wisdom about the fastest way to boot an initramfs goes out the window
[14:12] <hifi> if you're worried about speed, don't compress or gzip
[14:13] <hifi> lzop is very fast though
[14:13] <BCMM> hifi: yeah, i was wondering whether the storage was slow enough to make lzop faster than uncompressed...
[14:13] <hifi> trial and error I'd say
[14:13] <hifi> and it depends on the actual SD card too, how fast it can be read
[14:13] <BCMM> yeah, that was the plan. just asked in case you'd already done it :)
[14:14] * suehle (~rsuehle@fedora/suehle) Quit (Read error: Operation timed out)
[14:14] <hifi> timing all three, gzip, xz and lzop would be interesting
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[14:14] <hifi> why are you building a custom kernel btw?
[14:15] <BCMM> hifi: isnt' xz pretty much guaranteed to be too slow to be useful unless you're actually pushing the kernel over the network?
[14:15] <BCMM> hifi: at the moment, mainly because i'm building the initramfs in to the kernel
[14:15] <hifi> xz decompression isn't that expensive
[14:16] <BCMM> hifi: but i'm also planning to eliminate drivers that i won't be using
[14:16] <BCMM> both for image size, and because some of them actually initialise
[14:16] <BCMM> i mean, taking up time at boot. something like the i2c or spi driver iirc
[14:17] <hifi> I doubt it makes any meaningful difference
[14:18] <hifi> even with verbose logging on it doesn't take even a second for the raspbian kernel to boot
[14:18] <BCMM> hifi: very likely. most of my time is spent loading hte kernel, but that's probably because i'm using stupid compression
[14:18] <hifi> IIRC, haven't booted it for a while
[14:18] <BCMM> (which is because i've run out of space in my raspbian boot partition and the new SD card hasn't arrived yet)
[14:18] * EricK|AFK is now known as EricK
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[14:21] <hifi> I'd also say tweaking the compression is more likely to give you better results
[14:21] <hifi> for both kernel image and initramfs
[14:21] <hifi> and lzop is a good candidate
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[14:58] <BCMM> hifi: tweaking the compression will give me better results than what?
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[16:27] <MrVector> Afternoon lovely people
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[16:27] * buzzsaw looks around and wonders who MrVector is talking to
[16:28] * MrVector smiles wryly
[16:29] <MrVector> Anyone with some experiencing talking to the emm controller that could help nudge me in the right direction? :-)
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[16:36] <mgottschlag> emm?
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[16:36] <MrVector> External Mass Media, the SD card reader :)
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[16:38] <MrVector> One of the things that confuses me is this line in the broadcom pdf, "The EMMC register base address is 0x7E300000". Been browsing some code, and everyone seems to be using 0x20300000 instead.
[16:38] <MrVector> I tried both, the 0x7E... just seems to be full of 0's.
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[16:41] <MrVector> Oh, that is just me being silly, that is the bus address!
[16:41] <Armand> Derp
[16:41] <MrVector> " Thus a peripheral advertised here at bus address 0x7Ennnnnn is available at physical address 0x20nnnnnn" That'll teach me to read properly (probably not though). :)
[16:42] <ParkerR> Memory mapped storage?
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[16:42] <MrVector> So anyway! I'll just throw a question out there, see if it sticks onto someone!
[16:43] <MrVector> One of the code examples I'm looking at is http://www.johncronin.org.uk/svn/rpi-boot/emmc.c , before setting up the host, he power cycles the emmc, is this necessary and if so how does he know!? :)
[16:43] <MrVector> (in sd_card_init())
[16:44] <mgottschlag> I doubt it is necessary, as long as you know that everything is in a defined state
[16:44] * mickn (~mickn@unaffiliated/mickn) Quit (Read error: Connection reset by peer)
[16:44] <mgottschlag> but most drivers reset everything so that the complete device state is known, no matter what other driver used the device before
[16:44] <mgottschlag> in your case, the firmware has used EMMC, so you might have some preinitialized parts
[16:45] <MrVector> Right, so in that case, I should be able to read version information and such?
[16:46] <ParkerR> MrVector, What are you working on exactly? Haven't heard of any eMMC projects for the Pi.
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[16:46] <MrVector> ParkerR: Bare metal OS in C :-)
[16:46] <ParkerR> Ahh nice
[16:46] * mickn (~mickn@unaffiliated/mickn) has joined #raspberrypi
[16:46] <ParkerR> MrVector, Using eMMC as storage or just as an iterface to the SD card?
[16:46] <ParkerR> *interface
[16:47] * dreamon (~dreamon@unaffiliated/dreamon) Quit (Remote host closed the connection)
[16:47] <MrVector> The plan is to read/write to the sd
[16:47] <ParkerR> Ahh
[16:47] <vlt> Hello. How can I clear the screen (after booting)? I disabled the getty processes in raspbian's inittab but the log output is still visible.
[16:47] <MrVector> Although that feels far away when I'm struggling to just read the version information on the device!
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[16:49] <gordonDrogon> vlt, you could add /usr/bin/clear to the end of /etc/rc.local, (before the exit line)
[16:49] <ShiftPlusOne> isn't there an option to make the boot quiet?
[16:49] <PhotoJim> wouldn't you prefer to know the machine was coming up ok?
[16:50] <MrVector> Added debug output, and EMMC_BASE + EMMC_SLOTISR_VER, no idea why..
[16:50] <gordonDrogon> I think you can add quiet to the command line (ie. in /boot/cmdline.txt on the Pi) but I've never tried.
[16:51] <vlt> gordonDrogon: THanks and thanks
[16:51] <vlt> PhotoJim: No, I want deep black night.
[16:51] <vlt> :-)
[16:52] * phatina (~phatina@adsl-dyn141.91-127-167.t-com.sk) has joined #raspberrypi
[16:53] <phatina> hi, I start my RPi and everything it does is following: red led is on, no graphical output present (via cinch/hdmi), any advice how to bring RPi to life?
[16:53] <PhotoJim> I'm sure it can be done, but if your machine isn't working right it will make debugging it a real challenge :)
[16:54] <ShiftPlusOne> assuming you installed everything alright and your power supply is ok, the sd card is incompatible.
[16:54] <ShiftPlusOne> (phatina)
[16:55] <vlt> PhotoJim: This is for production use.
[16:55] <maxinux> phatina: power supply or sd card
[16:55] <ShiftPlusOne> maxinux, (or user error)
[16:55] <phatina> ShiftPlusOne: hmm, it used to work with that sd card
[16:56] <PhotoJim> vlt: I've seen lots of production machines that showed bootup info. assuming you have the machine on a UPS the boot-up will rarely be seen.
[16:56] <ShiftPlusOne> phatina, sd cards are like that
[16:56] <vlt> After `clear` in rc.local there's still a blinking cursor. How can I get rid of this? Any command I could run after clear that just is a black screen?
[16:56] <phatina> ShiftPlusOne: fine, I am able to see flashed content properly in Fedora box, but RPi does not boot it, so it is trashed for the board?
[16:57] <PhotoJim> phatina: bad card, or corrupted. you could try reimaging from your backup (hopefully you have one). or try a new card. they are dirt cheap.
[16:57] <phatina> ShiftPlusOne: another question: should RPi output at least boot messages, that it can not find root partition?
[16:57] <mgottschlag> phatina: did you do any update before it stopped working?
[16:57] <ShiftPlusOne> phatina, it happens, but I can't say with 100% certainty that this is the issue here.
[16:57] <mgottschlag> if it doesn't show anything and no LED lights up, then the firmware might not be found
[16:57] <phatina> mgottschlag: I dd-ed new Arch imiage
[16:57] <ShiftPlusOne> phatina, not boot messages. The green led will glow dimly (may be hard to see next to the pwr led)
[16:57] <gordonDrogon> phatina, also make sure the monitor/tv is turned on before the Pi. Pi will default to composite video output if it does not think the HDMI device is active.
[16:58] <phatina> ShiftPlusOne: what I remember, when RPi arrived for the first time, I got bad sd-card (micro sd with adaptor), I got message with error saying, there is no root partition
[16:58] <phatina> ShiftPlusOne: now I can not see any graphical output :(
[16:58] <phatina> ShiftPlusOne: yes, green led is on (very low shining) and bright red too
[16:58] <mgottschlag> phatina: it totally depends on which part of the system got corrupted
[16:58] <ShiftPlusOne> phatina, different type of error. In that case the firmware was found and it chocked when booting linux. In this case it's not finding the firmware.
[16:59] <ShiftPlusOne> *choked
[16:59] <phatina> ShiftPlusOne: any advice for me, how to fix that?
[16:59] <ShiftPlusOne> phatina, Other than getting a new card?
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[17:00] <phatina> ShiftPlusOne: yes; (I will look for other card also)
[17:01] <ShiftPlusOne> If it doesn't find the firmware there's nothing you can do. You could try blowing in the connector to make sure there's no dust or anything. Reinsert the card a few times, hold it down for better contact when turning the pi on and so on... but I don't think any of that will help
[17:01] * troulouliou_dev (~troulouli@unaffiliated/troulouliou-dev/x-4757952) Quit (Remote host closed the connection)
[17:02] <phatina> ShiftPlusOne: ok, I will try to flash new image to another card
[17:02] <ShiftPlusOne> good luck
[17:02] <PhotoJim> fingers crossed
[17:03] <phatina> ShiftPlusOne: thank you
[17:03] * psychiatronics (~psychiatr@ip70-160-29-75.hr.hr.cox.net) has joined #raspberrypi
[17:03] <PhotoJim> your card might not be damaged, it just might not have been successfully written. you can try writing it again. but it is cheap and easy to have spare cards.
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[17:05] <phatina> PhotoJim: I tried to copy image by "dd bs={1,4}M if=... of=..."
[17:06] <phatina> PhotoJim: it should be fine
[17:06] <phatina> PhotoJim: 1M, 4M (2 tried, of course)
[17:06] <PhotoJim> phatina: yeah, it's probably a dead card or an incompatible one. you did type "sync" after writing it to get any cached data I assume?
[17:06] <phatina> PhotoJim: s/tried/tries/
[17:06] <PhotoJim> that may not matter with dd actually, might only matter with formal filesystems
[17:06] <Jusii> raspberry is still picky about some sdcards, I've few kingston cards which will boot after few power resets
[17:06] <PhotoJim> but worth a try
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[17:07] <phatina> PhotoJim: ah, raspberry... if I knew, it would such picky about cards.. :)
[17:08] <ShiftPlusOne> it's not so much that the pi is picky about cards, it's that the cards are picky about the pi. Though the pi devs are really focusing on the sd card issues right now, AFAIK.
[17:08] <Marvin-RPi> Platinum SD's always work fine
[17:09] <PhotoJim> phatina: I've been lucky. all the oens I've tried have worked.
[17:09] <PhotoJim> ones
[17:10] <eggy> No, they don't all work.. well ;)
[17:10] <ShiftPlusOne> No problems here either. I can yank the power out and be pretty confident that the sd card will be fine =.
[17:11] <eggy> this microsd I've been using has been good.
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[17:14] <PhotoJim> ShiftPlusOne: oh, the one I have gets corrupted easily so I put the Pi on a UPS. it runs fine if it doesn't get shut down abruptly.
[17:15] <Jusii> I've settled to few samsung cards, ran tests on them for 2 months. 30000 resets, 25TB written and still good
[17:16] <ShiftPlusOne> hm, well that's sd cards for you. I wonder what the foundation folks will find out when they're done investigating. Why do some cards work fine in cameras and laptops and fail in devices like the pi.
[17:17] * Sonny_Jim (~pi@90.197.159.65) has joined #raspberrypi
[17:18] <Sonny_Jim> Will I be able to drive a TIP122 transistor from the GPIO or will I need a predrive transistor?
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[17:20] <ShiftPlusOne> Looks like you should be able to drive it directly
[17:20] <phatina> ShiftPlusOne: aha, now I see green led blinking, RPi should be booting right now...
[17:21] <ShiftPlusOne> phatina, same card? O_o
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[17:21] <Sonny_Jim> It's overkill for sure, I only want to drive a 12V LED strip
[17:21] * zoktar (~zoktar@unaffiliated/zoktar) Quit (Quit: -)
[17:21] <Sonny_Jim> I think they go up to 100V/12A
[17:21] <mgottschlag> Sonny_Jim you need a resistor though
[17:22] <phatina> ShiftPlusOne: nope, another one..
[17:22] <Sonny_Jim> Yeah got some 200Ohms
[17:22] <ShiftPlusOne> well, to set the base current.
[17:22] <Sonny_Jim> and a couple of 1n4004's
[17:22] <Sonny_Jim> Got the retropie GPIO breakout so I have some protection as well
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[17:23] <gordonDrogon> you won't need diodes for LEDs.
[17:24] <gordonDrogon> (ie. the 1n4004's)
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[17:24] <gordonDrogon> things like uln2803 are good for driving higher current/voltages too - max 500mA through them though.
[17:25] <mgottschlag> hm, get an inductor and a diode, and you can even dim the LED strip :)
[17:25] <Sonny_Jim> Yeah this is for the TIP122
[17:25] <Sonny_Jim> From what I remember from pinball it's to stop back EMF
[17:25] <Sonny_Jim> There's a library for PWM on the GPIO I believe
[17:25] <Sonny_Jim> Right now I'm just going to do blinky blinky
[17:25] <ShiftPlusOne> inductor and diode? you can't just pwm it?
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[17:25] <mgottschlag> argh
[17:25] <mgottschlag> I have worked too much with peltier elements lately
[17:26] <mgottschlag> (you can't just PWM-drive these)
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[17:26] <Sonny_Jim> Well in my experience PWM on LED's can be a bit flickery
[17:26] <mgottschlag> of course it works well with LEDs
[17:26] <mgottschlag> if the frequency is high enough
[17:26] <Sonny_Jim> But this is from lamp matrixes that use incandescents
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[17:26] <ShiftPlusOne> heh, how do you use the inductor and diode anyway (without pwm)?
[17:27] <ShiftPlusOne> I was thinking something like a buck converter, but you'd still pwm it. =/
[17:27] <mgottschlag> well, sure, PWM + inductor for energy storage :)
[17:28] * Sonny_Jim goes looking for his breadboard
[17:28] <mgottschlag> I meant to say, add an inductor and a diode :)
[17:28] <ShiftPlusOne> mgottschlag, so in effect, just reducing the voltage?
[17:28] <mgottschlag> yeah, normal buck converter, just with a low-side switch
[17:29] <ShiftPlusOne> ah
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[17:30] <mgottschlag> I think that's also what most high-power LED dimmers do, I think because of thermal problems with PWM and high currents
[17:30] <sc00ty> Is there an easy to use LCD display (like a 16x2) that I can just plugin to the pi directly?
[17:30] <ShiftPlusOne> makes sense
[17:31] * lupinedk is now known as Lupinedk
[17:31] <ShiftPlusOne> sc00ty, I am sure adafruit have things like that.
[17:31] * psychiatronics (~psychiatr@ip70-160-29-75.hr.hr.cox.net) Quit (Ping timeout: 256 seconds)
[17:31] <ShiftPlusOne> sc00ty, https://www.adafruit.com/products/1110
[17:32] <gordonDrogon> Sonny_Jim, you can't detect flicker at 10KHz.
[17:32] <Sonny_Jim> I'm looking at using a circuit similar to this:
[17:32] <Sonny_Jim> http://www.susa.net/wordpress/wp-content/uploads/2012/06/Relay-Sample.png
[17:32] <Sonny_Jim> Obviously without the relay
[17:32] <gordonDrogon> Sonny_Jim, shouldn't have a problem.
[17:32] <Sonny_Jim> Cool, thanks
[17:33] <sc00ty> Unfortunately, it's out of stock with no ETA and requires soldering. I am looking for something all ready to go :/
[17:33] <SpeedEvil> gordonDrogon: you can at surprisingly lower than 10khz
[17:33] <gordonDrogon> sc00ty, the standard text LDCs will work fine - just need some wiring
[17:33] <SpeedEvil> gordonDrogon: 1khz is quite obvious if you scan your eye past it in the dark
[17:33] * cccy_RegeaneWolf is now known as cccyRegeaneWolfe
[17:33] <gordonDrogon> bump the frequenct to 100KHz then - bit of a no-brainer there.
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[17:34] <sc00ty> gordonDrogon: I've found a few but the process requires a bunch if wires and breadboards. I'm trying to keep the size minimal
[17:34] <Sonny_Jim> I know the lamp matrixes in pinball tables rely on the fact that incandecent bulbs take a while to go 'off', so they don't pulse them that quickly, hence you get a lot of flicker on them. They do use a 2Mhz 6809 so they tend to try and keep all the cycles for other things
[17:34] <gordonDrogon> sc00ty, http://wiringpi.com/dev-lib/lcd-library/ yup - you need the bradboard - unless you use the Adafruit one, but then you'll still need to solder it all together.
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[17:35] <sc00ty> yea now I will need to get a soldering iron and stuff too
[17:36] <gordonDrogon> we really can't see flicker much above 130Hz, but when you introduce vibration - like a car rear view mirror things change..
[17:36] <Sonny_Jim> I suppose I could simulate the circuit with something first to double/triple check
[17:36] <sc00ty> Probably just going to abandon the idea
[17:36] <gordonDrogon> designing stuff like games tables, etc. is always a compromise between complexity and cost - there are hardware PWM drivers for example.
[17:37] <ShiftPlusOne> What about just an LCD and some jumper cables? as simple as it gets
[17:37] <SpeedEvil> gordonDrogon: or in bright lights where you can see the afterimage during a saccade
[17:37] <gordonDrogon> but they add to the cost. Doing PWM in software on an 8-bit micro is trivial, but will use a fraction of a percent of the overall cpu usage.
[17:37] <gordonDrogon> SpeedEvil, trick of the light ;-)
[17:38] <Sonny_Jim> In theory I could drive a pretty hefty solenoid with that TIP122
[17:38] <gordonDrogon> what are you looking at driving?
[17:38] <SpeedEvil> gordonDrogon: fun hack.
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[17:38] <Sonny_Jim> Just some SMD5050 LEDs for now
[17:38] <SpeedEvil> gordonDrogon: If doing software PWM - you cheat
[17:39] <SpeedEvil> gordonDrogon: you flip the counter round before outputting it
[17:39] <gordonDrogon> cheating or clever programming?
[17:39] <Sonny_Jim> heh
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[17:39] <gordonDrogon> Sonny_Jim, can't you drive the LEDs directly?
[17:39] <SpeedEvil> gordonDrogon: So that 0x80 PWM of an 8 bit pwm is not 128 periods on, 128 off. But 1 on 1 off.
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[17:40] <Sonny_Jim> gordonDrogon: These are setup for 12V at the moment
[17:40] <SpeedEvil> gordonDrogon: MSB is LSB, and LSB is MSB - this lets reduce the flicker quite a lot
[17:40] <Sonny_Jim> And I have the parts lying around so it seemed like a fun weekend project
[17:40] <gordonDrogon> SpeedEvil, not sure what you're getting at - I do software PWM on the Pi - last time I did it on an 8-bit micro it was on a bbc micro - I don't recall the exact mechanism, but I had a 16-bit counter.
[17:41] <gordonDrogon> you can use a "balanced" output mode with PWM - which is what the Pi does (in hardware) by default - so rather than (say) 100 on's then 100 off's, it alternates them.
[17:41] <gordonDrogon> brb. cake in the oven to check.
[17:42] <Sonny_Jim> Am I right in thinking that the 1k resistor in that circuit I linked is to limit current draw?
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[17:44] <SpeedEvil> gordonDrogon: If you're outputting in software - without the aid of a PWM unit - instead of doing the normal inc x, if x>y(LED(on) else LED(off) do inc x,if x>(bitreversed)y)... It means that instead of the most obvious bit - the MSB - having a frequency of 1/256th (say) the clock - it's 1/2. And the LSB is regulated to the 1/256 frewuency, where its flicker is lots less visible
[17:44] <gordonDrogon> Sonny_Jim, it limits the base/emitter current.
[17:45] <ShiftPlusOne> Sonny_Jim, it sets the base current, so you want it to be low, but keep the dc current gain in mind.
[17:45] <Sonny_Jim> Cool, it's been a while since I did this sorta of thing
[17:45] <Sonny_Jim> I have some 200 Ohm resistors, do you think that will be OK?
[17:45] <ShiftPlusOne> (by the way, I meant you want the current low, not the resistor)
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[17:46] <gordonDrogon> bit low probably - do the sums - but you want to drive it to saturation anyway.
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[17:46] <Sonny_Jim> Cool, I'll have a dig around and see what else I've got
[17:46] <ShiftPlusOne> 200Ohm? wouldn't that be around 16mA?
[17:47] <gordonDrogon> over a diode, yes...
[17:47] <ShiftPlusOne> I would pick a much higher value =/
[17:48] <gordonDrogon> about 1K is the back-of-envelope value I'd use myself, but I'd check the spec. of the transistor you're using.
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[17:49] <mgottschlag> note that you have two diode drops in that darlington transistor
[17:50] <mgottschlag> last time I calcuated that, I think 200 would have been ok, but I think I said 470 just in case :)
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[17:51] <ShiftPlusOne> So would that be about (3.3-1.4)/200 ? (9.5mA)
[17:51] <ShiftPlusOne> or am I doing it wrong? >.>
[17:53] <mgottschlag> yeah
[17:53] <ShiftPlusOne> fair enough, seems ok then
[17:53] <mgottschlag> page 3 of the datasheet has a voltage curve
[17:54] <mgottschlag> the voltage seems to be a bit lower, but not too much :)
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[17:55] <gordonDrogon> just try it :)
[17:55] <gordonDrogon> see what blows up first !!!
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[17:59] <Phosie> Hello
[17:59] <ShiftPlusOne> ahoy
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[18:05] <ssi> hi folks, I'm confused about something... I'm messing with gpio access via registers, and example code I've seen puts the gpio register at 0x200000 above the base address of 0x20000000 (so 0x20200000), but the BCM peripherals datasheet shows it as starting at 0x7E200000... why the discrepancy?
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[18:06] <ShiftPlusOne> ssi, page 141?
[18:07] <ssi> of the bcm peripherals doc?
[18:07] <ShiftPlusOne> actually... scratch that.
[18:07] <ssi> I'm looking at page 90
[18:08] * CheckMatt (52e80d1f@gateway/web/freenode/ip.82.232.13.31) Quit (Quit: Page closed)
[18:08] <ssi> 0x 7E20 0000 GPFSEL0 GPIO Function Select 0 is the bottom register there
[18:08] <ShiftPlusOne> yeah, my mistake I thought it was something in the errata, but nope.
[18:08] <ssi> oh I see
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[18:13] * Phosie is lost
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[18:15] <nerdboy> moin
[18:17] <Phosie> Moin?
[18:18] <ShiftPlusOne> lazy kids and their txt talk
[18:18] * Luke-Jr (~luke-jr@unaffiliated/luke-jr) Quit (Quit: Konversation terminated!)
[18:18] * ShiftPlusOne mutters at people three times older than him >.>
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[18:19] <Phosie> Funny thing, i even use punctuation in text messages
[18:19] * Tomas` (~Tom@a82246.upc-a.chello.nl) has joined #raspberrypi
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[18:21] <ShiftPlusOne> I do too, but not always.
[18:21] <ShiftPlusOne> Ah... https://en.wikipedia.org/wiki/Moin
[18:22] <ShiftPlusOne> and I thought it was some shortened version of good morning.
[18:22] <ssi> haha CULTURALLY INSENSITIVE
[18:22] <ShiftPlusOne> D=
[18:22] <ssi> heheh
[18:22] <Tomas`> Hey guys, I'm trying to get the built-in serial to work from Xbian, but can't seem to make it so. I've removed the debug tty from /boot/cmdline.txt, my inittab does not contain any references to the ttyAMA0 dev, and lsof does not show it used, yet cu gives me an error "Line in use"
[18:23] <Tomas`> Anyone knows what might be causing it?
[18:23] <ShiftPlusOne> What are you doing to get that error?
[18:23] * badass (~badass@unaffiliated/badass) Quit (Remote host closed the connection)
[18:23] <ShiftPlusOne> ah... derp... cu
[18:23] <Tomas`> cu -l /dev/ttyAMA0 -s 115200
[18:24] <Tomas`> Tried pyserial, but it doesn't seem to be able to send either
[18:24] * badass (~badass@unaffiliated/badass) has joined #raspberrypi
[18:24] <Tomas`> (hooked it up to an arduino via a level convertor)
[18:24] * f8l (~f8l@83.238.59.68) Quit (Read error: Operation timed out)
[18:25] <ShiftPlusOne> does something like screen give similar errors?
[18:25] <Tomas`> I've not tried screen, but I've not seen anything similar anywhere else
[18:26] <Tomas`> PySerial opens the dev without errors, but doesn't send on write(). Again with no errors
[18:26] * f8l (~f8l@87-205-67-129.adsl.inetia.pl) has joined #raspberrypi
[18:26] <Tomas`> How would I test screen, if that's relevant?
[18:26] * psychiatronics (~psychiatr@ip70-160-29-75.hr.hr.cox.net) has joined #raspberrypi
[18:26] <ShiftPlusOne> stupid question, but you're connecting tx to rx and rx to tx, right?
[18:27] <pksato> Tomas`: disabled serial console on cmdline.txt ?
[18:27] <Tomas`> ShiftPlusOne: yes, double checked
[18:27] <Tomas`> pksato: yep
[18:27] <ShiftPlusOne> pksato, "I've removed the debug tty from /boot/cmdline.txt, my inittab does not contain any references to the ttyAMA0 dev"
[18:28] <Tomas`> Nothing seems to be using /dev/ttyAMA0 at the moment, yet still cu complains
[18:28] <ShiftPlusOne> hm =/
[18:28] * Gethiox (~gethiox@host-2-121.24.net.pl) Quit (Ping timeout: 260 seconds)
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[18:28] <ShiftPlusOne> With screen you would just 'screen /dev/ttyAMA0 115200'
[18:28] <Tomas`> I'd be able to test if the serial port even works by just jumping TX to RX right?
[18:28] <pksato> only for checj if both are removed.
[18:28] <gordonDrogon> cu? Ye gods.
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[18:29] <gordonDrogon> thought that died with uucp ...
[18:29] <gordonDrogon> minicom -D /dev/ttyAMA0 (my preferd terminal)
[18:29] <ShiftPlusOne> I am just thinking screen might give more helpful output, but not holding my breath
[18:30] <ShiftPlusOne> Tomas`, and yeah, you should be able to connect tx to rx and have it echo whatever you type
[18:30] <Tomas`> Lol, screen seems to have hung the pi
[18:30] <Tomas`> Blank screen, can't CTRL^C out of it
[18:30] <ShiftPlusOne> Ctrl-A, q
[18:31] <Tomas`> I'm silly, thanks
[18:31] <ShiftPlusOne> also keep an eye on the LEDs on the adapter, if they're there.
[18:32] * timatron (~timatron@cpe-76-168-61-54.socal.res.rr.com) Quit (Quit: timatron)
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[18:32] <Tomas`> Not using an adapter, trying with jumped TX/RX at the moment
[18:32] <Tomas`> Still, inside screen I should see something appear if I type I'd imagine
[18:32] <Sonny_Jim> Ok, so I've tested my circuit with a ATX PSU, by using +5v where I would be attaching the GPIO
[18:32] <Sonny_Jim> Seems to work OK so far
[18:33] <ShiftPlusOne> oh, right... in my mind this was all happening on a PC with a usb to serial adapter for some reason. In my defense, it's 2am.
[18:33] * Benguin[ZzZ] is now known as BEnguin
[18:33] <Tomas`> Haha np, I appreciate it tremendously
[18:33] * BEnguin is now known as Benguin
[18:33] <Tomas`> It's just such an odd issue..
[18:33] * plugwash (~plugwash@94.6.24.111) has joined #raspberrypi
[18:33] <ShiftPlusOne> but yes, what you said.
[18:33] * jje (~jimericks@unaffiliated/jimerickson) Quit (Quit: leaving)
[18:33] <ShiftPlusOne> You didn't connect 5v to your pi's gpio at any stage, did you?
[18:34] <ShiftPlusOne> for example, that usb adapter is for 3.3v data, not 5v?
[18:34] <Sonny_Jim> no
[18:34] <ShiftPlusOne> Sonny_Jim, not you! >=/
[18:34] * jje (~jimericks@unaffiliated/jimerickson) has joined #raspberrypi
[18:34] <Sonny_Jim> Oh ok ;-)
[18:34] <Tomas`> Might have, but it'd have been by accident
[18:34] <Tomas`> Not knowingly at least, loo
[18:34] <ShiftPlusOne> heh
[18:34] <Tomas`> lol*
[18:34] <ShiftPlusOne> hmm
[18:34] <ShiftPlusOne> yeah, I don't know then.
[18:35] <Tomas`> Is there a way to test the pins?
[18:36] <ShiftPlusOne> no idea.
[18:36] <pksato> led on tx pin to gnd
[18:36] <ShiftPlusOne> ...through a resistor? *
[18:36] <pksato> yes, always led need a resistor.
[18:37] <ShiftPlusOne> Tomas`, last thing I'd suggest (after what pksato said) is to try a more common distro, like raspbian.
[18:37] * Gethiox (~gethiox@host-2-121.24.net.pl) Quit (Ping timeout: 260 seconds)
[18:38] <pksato> ah, on some software, need to disable hardware handshake
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[18:42] <Tomas`> WiringPi's pintest says at least the input functionality of the pins are working, weird
[18:42] <Tomas`> pksato: how would I go about doing that?
[18:43] <pksato> read manual of sofware
[18:43] <gordonDrogon> pintest can only really test the inputs.
[18:43] <gordonDrogon> but it does a reasonable job of that.
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[18:55] <Phosie> So victoria beckham got her bike stolen, i cant help but laugh
[18:55] <ShiftPlusOne> O_o
[18:55] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) has joined #raspberrypi
[18:55] * ShiftPlusOne assumes strange Brit humour <.<
[18:55] * redarrow_ (~redarrow@unaffiliated/redarrow) has joined #raspberrypi
[18:57] * ShiftPlusOne checks the daily mail to see what that's about.
[18:57] <Phosie> Stupid woman only put the lock around the wheel
[18:57] <Phosie> They just unbolted it and took the frame
[18:58] <Tomas`> In output mode the TX pin works just fine
[18:58] <Tomas`> I guess we'll just have to try Raspbian then.. Thanks for helping the debugging guys :)
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[18:59] <ShiftPlusOne> Given how common it is to see a single wheel chained to a post, it's a wonder why you don't see thieves ridding 1 wheeled bikes as often >.>
[18:59] * imark (~mark@unaffiliated/imark) Quit (Remote host closed the connection)
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[18:59] <BurtyB> ShiftPlusOne, because they're more prepared?
[19:00] <ShiftPlusOne> nonsense
[19:01] <ShorTie> bring your own front wheel and get a bike for free
[19:01] <Phosie> It's britain, no such thing as a prepared thief
[19:01] <Phosie> Wait...
[19:01] <Phosie> Ignore that
[19:02] * Sonny_Jim (~pi@90.197.159.65) has joined #raspberrypi
[19:02] <ShiftPlusOne> I wasn't being serious there by the way.... I was just amused by the idea of seeing people ride bikes with the front wheel missing everywhere. (Again, I am sorry, it's late.)
[19:02] <nerdboy> any idiot with a bike lock knows enough to lock the frame...
[19:03] <Sonny_Jim> Ok, getting there. Everything is wired up, just grabbing wiringPi now
[19:03] <nerdboy> unless maybe you're 5 years old...
[19:03] <Phosie> A coconut is being held in custody...
[19:03] <Phosie> By maldives police
[19:03] * xCP23x (~xCP23x@78-105-51-245.zone3.bethere.co.uk) Quit (Ping timeout: 264 seconds)
[19:04] <ShiftPlusOne> Phosie, ok, now I really think you're reading the daily mail!
[19:04] <Phosie> Sky news app
[19:04] <ShiftPlusOne> close enough >.>
[19:05] <Sonny_Jim> Hmm
[19:05] <Sonny_Jim> so gpio write 7 1, should set P7 to output 1, correct?
[19:06] <gordonDrogon> yes
[19:06] <gordonDrogon> ,but make sure you use the right numbering scheme.
[19:06] <Sonny_Jim> Yeah, it gets a little confusing what with this retropie board
[19:06] <ShorTie> if it has been defined like that
[19:06] <Sonny_Jim> 2 different ways to connect it
[19:06] <gordonDrogon> http://wiringpi.com/pins/
[19:06] <gordonDrogon> there are 3 numbering schemes in-use.
[19:06] <Sonny_Jim> :-(
[19:06] <gordonDrogon> bcm_gpio, physical p1 pin numbers and wiringPi pin numbers.
[19:07] <Sonny_Jim> I think I want to use physical
[19:07] * Sonny_Jim investigates
[19:07] <gordonDrogon> wiringPi can handle all 3, so gpio mode 7 out is the same as gpio -g mode 4 out is the same as gpio -1 mode 7 out
[19:07] <gordonDrogon> it's a coincidence that wiringPi pin7 is the same as physical pin 7.
[19:07] <Sonny_Jim> I have a multimeter across what I think is P7 and GND
[19:08] <Sonny_Jim> Right now it's reading 1.3vdc
[19:08] <Sonny_Jim> using gpio doesn't seem to make any difference
[19:08] <gordonDrogon> that's probably set to input mode.
[19:08] <Sonny_Jim> ah ok
[19:08] <gordonDrogon> gpio -1 mode 7 out ; gpio -1 write 7 1
[19:09] <Sonny_Jim> Yeah still no dice, I think I need to double check the pinouts on this retropie thing
[19:10] <Sonny_Jim> And good ol' mode 7, isn't that teletext on a BBC B?
[19:10] <Sonny_Jim> :-)
[19:10] <gordonDrogon> http://wiringpi.com/pins/ do check that - make sure the board is the right way round. physical pin 2 is at outside corner.
[19:10] <gordonDrogon> you could of course have the meter between a 5v and 3.3v pin...
[19:11] * _cheney (~cheney@nat.sierrabravo.net) Quit (Ping timeout: 268 seconds)
[19:13] <Sonny_Jim> Am I right in thinking that if I put my multimeter into diode test, connect one to GPIO GND and the other to the metal shell of the PSU connector it should buzz out?
[19:13] <Sonny_Jim> ie GPIO GND is connected the the metal shell of the microUSB
[19:14] * nils_2 (~nils_2@unaffiliated/nils-2/x-2480262) Quit (Ping timeout: 246 seconds)
[19:14] <ShiftPlusOne> Looks like it on the schematic
[19:14] * Tomas` (~Tom@a82246.upc-a.chello.nl) Quit (Ping timeout: 260 seconds)
[19:15] <Phosie> My pi turns on my tv when it boots...ugh
[19:16] <Phosie> Just worried the setting i change will stop it displaying HDMI
[19:16] <ShiftPlusOne> Sonny_Jim, looks like all the shields are 'earthed', but the 'earth' is connected to the GND through a 0ohm resistor.
[19:17] <Sonny_Jim> Ok progress, I've found GND and if I toggle P7 and put my probe straight on P7 on the breakout I can see it :-)
[19:17] <Sonny_Jim> Just need to figure out where on the retropie P7 is
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[19:21] <ShiftPlusOne> Sonny_Jim, is it this board? http://blog.petrockblock.com/2012/10/21/the-retropie-gpio-adapter/
[19:23] <Sonny_Jim> Yup
[19:24] <Sonny_Jim> I have rev1.0
[19:24] <Sonny_Jim> Schematic isn't the greatest tbh
[19:25] <Sonny_Jim> btw thanks for the help so far
[19:25] <ShiftPlusOne> seems fairly clear
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[19:25] * Phosie is now known as Phosie|afk
[19:25] <Phosie|afk> Food!
[19:26] <ShiftPlusOne> What kind?
[19:26] <Mortvert> no food fer ya, Phosie|afk
[19:26] <Phosie|afk> Chippy takaway
[19:26] <Phosie|afk> Back in a bit
[19:27] * tombrough (~tom@cpc4-newt3-0-0-cust54.newt.cable.virginmedia.com) Quit (Quit: Leaving.)
[19:27] <Sonny_Jim> Well for example, the board isn't labelled as to where pin 1 is
[19:27] <Sonny_Jim> Neither on the connector to the Pi nor on the 8 pin breakout header
[19:28] * nils_2 (~nils_2@unaffiliated/nils-2/x-2480262) has joined #raspberrypi
[19:28] <Sonny_Jim> Pin 3 on the schematics doesn't say that it's connected to GND, but it is etc etc
[19:28] <mgottschlag> Sonny_Jim: is one of the connector pads (on the PCB) square instead of round like the others?
[19:28] <ShiftPlusOne> Doesn't seem to match up to what's on that page I linked earlier =/
[19:28] * m8 (~m@unaffiliated/m8) Quit (Quit: Sto andando via)
[19:29] <Sonny_Jim> Nope
[19:29] * tombrough (~tom@cpc4-newt3-0-0-cust54.newt.cable.virginmedia.com) has joined #raspberrypi
[19:29] <Sonny_Jim> I think I need to check whether there's a rev1.0 schem
[19:30] <ShiftPlusOne> Sonny_Jim, can't just do a continuity check or follow the traced to find which pin is which?
[19:30] <Sonny_Jim> Not really
[19:30] <Sonny_Jim> As the 74HC125D is SMD, so can't hold a probe on there
[19:30] <Sonny_Jim> would have to solder a wire on
[19:30] <ShiftPlusOne> ah
[19:31] <Sonny_Jim> I've tried, it's tough ;-)
[19:31] <Sonny_Jim> Yeah, I'm going to ignore that schem and just buzz it out I think
[19:32] * EricK|Xoom is now known as EricK|AFK
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[19:32] <Sonny_Jim> Weird
[19:33] <Sonny_Jim> P7 goes to pin 9 on 74HC125D
[19:33] <Sonny_Jim> But I've just put a probe on pin8 of the 74HC125D and tried each of the 8 pins, nothing
[19:33] <Sonny_Jim> (8 pins on the breakout)
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[19:51] <Sonny_Jim> Yeah that 74HC125D is dead
[19:52] <Sonny_Jim> For example, pin 8 on the 74 toggles with gpio write 7 1/0
[19:52] <Sonny_Jim> Pin 9 just sits at 1.8v
[19:52] <mgottschlag> pin 9 is an input pin o.O
[19:52] <Sonny_Jim> Not on the Pi
[19:53] <Sonny_Jim> retropie GPIO adapter
[19:53] <mgottschlag> although, I think we are talking about different chips
[19:53] <Sonny_Jim> It has a 74HC125D
[19:53] <mgottschlag> http://www.nxp.com/documents/data_sheet/74HC_HCT125.pdf <- I was looking at this one
[19:53] <Sonny_Jim> Pin 8 is the input for P7, pin 9 should be the output
[19:53] <Sonny_Jim> If I'm reading the schems correctly
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[19:57] <mgottschlag> hm, not in that PDF
[19:57] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) Quit (Read error: Connection reset by peer)
[19:57] <mgottschlag> unless you mean pins on the connector of the board, not on the chip :)
[19:58] * Sonny_Jim double checks
[19:58] <Sonny_Jim> Pin 8 of the 74 definitely toggles on gpio write 7 0/1
[19:59] <Sonny_Jim> Pin 9 doesn't change either way
[19:59] <Sonny_Jim> Using these:
[19:59] <Sonny_Jim> http://blog.petrockblock.com/download/retropie-gpio-adapter-schematics/
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[20:02] * Phosie|afk is now known as Phosie
[20:02] <Sonny_Jim> Going from this:
[20:02] <Sonny_Jim> http://pdf1.alldatasheet.com/datasheet-pdf/view/15533/PHILIPS/74HC125D.html
[20:03] <Sonny_Jim> I need to make sure pin 10 on that chip is low as well?
[20:03] <Sonny_Jim> Ah hang
[20:03] * chihhsin (~starbops@140-113-121-170.Dorm13.NCTU.edu.tw) Quit (Quit: leaving)
[20:03] <Sonny_Jim> pin 8 is output
[20:03] <Sonny_Jim> pin 9 is input?
[20:06] * int3nz0r (~int3nz0r@86.86.66.141) Quit (Quit: Computer has gone to sleep.)
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[20:07] <Sonny_Jim> ok, so pin 9 doesn't go to any of the 8 header pins
[20:07] * mrvector (561f55f0@gateway/web/freenode/ip.86.31.85.240) has joined #raspberrypi
[20:07] <mrvector> Back for some more coding!
[20:08] * chihhsin (~starbops@140-113-121-170.Dorm13.NCTU.edu.tw) has joined #raspberrypi
[20:08] <Phosie> Woo \o/
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[20:10] * chihhsin (~starbops@140-113-121-170.Dorm13.NCTU.edu.tw) Quit (Client Quit)
[20:10] <mrvector> Was hoping someone could clarify something about the mailbox interface, looking at brianwiddas Fb code, he's sending "Req. + value length" after the size of the value buffer. I'm guessing this is the requested response size?
[20:10] <Sonny_Jim> Aaah
[20:10] * atouk (~kvirc@ool-457e23d5.dyn.optonline.net) has joined #raspberrypi
[20:10] <mrvector> The documentation says "Response length indicates the desired length even when it is longer than the buffer size filled", but there's no sample on it.
[20:10] * grandie (~Grandad@p4FD4E850.dip0.t-ipconnect.de) has joined #raspberrypi
[20:10] <Sonny_Jim> mgottschlag: You were right, pin 9 of the 74HC125D is an input, doh
[20:11] <Sonny_Jim> This retropie board is for input only it seems
[20:12] <mrvector> Code: https://github.com/brianwiddas/pi-baremetal/blob/d1d8083ec909a8deba1973c3c2c1f423cdb3d6c6/framebuffer.c Line 93
[20:13] <mrvector> It seems optional(?), like a safe guard in case the response size changes or something? :)
[20:14] * qrz7 (~pku@93.104.136.231) Quit (Ping timeout: 268 seconds)
[20:14] * Vibe (~Vibe@gateway/tor-sasl/vib3) Quit (Ping timeout: 240 seconds)
[20:15] * MadeAllUp (~MadeAllUp@gateway/tor-sasl/madeallup) Quit (Ping timeout: 240 seconds)
[20:17] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) Quit (Read error: Connection reset by peer)
[20:17] * tombrough (~tom@cpc4-newt3-0-0-cust54.newt.cable.virginmedia.com) has joined #raspberrypi
[20:18] * NIN101 (~NIN@p5DD28F4B.dip0.t-ipconnect.de) Quit (Quit: NIN101)
[20:19] <mgottschlag> Sonny_Jim: be careful then, it might be possible to fry the chip
[20:20] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) has joined #raspberrypi
[20:21] <Sonny_Jim> It seems Pin 8 of the Pi header can be used as an output on that board
[20:24] * Sorroko (~Sorroko@cpc15-chms4-2-0-cust140.20-1.cable.virginmedia.com) Quit (Ping timeout: 240 seconds)
[20:24] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) Quit (Read error: Connection reset by peer)
[20:26] * Sorroko (~Sorroko@cpc15-chms4-2-0-cust140.20-1.cable.virginmedia.com) has joined #raspberrypi
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[20:28] * chihhsin (~starbops@140-113-121-170.Dorm13.NCTU.edu.tw) Quit (Client Quit)
[20:29] * chihhsin (~starbops@140-113-121-170.Dorm13.NCTU.edu.tw) has joined #raspberrypi
[20:30] * Joost (~Joost@unaffiliated/joost) Quit (Quit: Joost)
[20:32] * nitdega (nitdega@2602:304:ab12:a761:8020:3408:4475:fabe) Quit (Ping timeout: 245 seconds)
[20:32] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) Quit (Read error: Connection reset by peer)
[20:32] * cstrahan (~cstrahan@216-15-14-58.c3-0.161-ubr1.lnh-161.md.cable.rcn.com) Quit (Ping timeout: 276 seconds)
[20:32] * troulouliou_dev (~troulouli@unaffiliated/troulouliou-dev/x-4757952) has joined #raspberrypi
[20:32] * suehle (rsuehle@fedora/suehle) Quit (Ping timeout: 264 seconds)
[20:33] * NIN101 (~NIN@p5DD28F4B.dip0.t-ipconnect.de) has joined #raspberrypi
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[20:35] * Marvin-RPi (~pi@86.85.190.249) Quit (Remote host closed the connection)
[20:36] * nitdega (~nitdega@2602:304:ab12:a761:dda3:d6df:d86b:366f) has joined #raspberrypi
[20:40] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) Quit (Read error: Connection reset by peer)
[20:40] * Sonny_Jim (~pi@90.197.159.65) Quit (Read error: Connection reset by peer)
[20:42] <Phosie> Ugh
[20:42] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) has joined #raspberrypi
[20:43] * red723 (~redhair@port-92-193-55-84.dynamic.qsc.de) has joined #raspberrypi
[20:43] <ShorTie> oh really
[20:43] * gbaman (~gbaman@host81-134-99-255.in-addr.btopenworld.com) Quit (Remote host closed the connection)
[20:43] <ShorTie> that bad
[20:43] <Phosie> Forcehotplug turns on my tv, but without it i get no picture
[20:45] * fengshaun (~fengshaun@unaffiliated/fengshaun) has joined #raspberrypi
[20:46] * cccyRegeaneWolfe is now known as cccy_RegeaneWolf
[20:46] <Phosie> Anything i can change in config.txt to stop it?
[20:49] * tombrough (~tom@cpc4-newt3-0-0-cust54.newt.cable.virginmedia.com) Quit (Ping timeout: 256 seconds)
[20:49] * knob (~knob@66-50-73-110.prtc.net) has joined #raspberrypi
[20:50] * Rickta59 (~Rickta59@cpe-174-106-144-066.ec.res.rr.com) has left #raspberrypi
[20:50] * user82 (~user82@unaffiliated/user82) Quit (Remote host closed the connection)
[20:51] <Jusii> isn't it a problem with your tv? it turns on when signal detected
[20:53] <Phosie> I cant find anything in the tv settings, brilliant
[20:53] * felipealmeida (~user@177.17.12.42) Quit (Remote host closed the connection)
[20:53] <Jusii> raspberry normally turns hdmi on when booting to display picture, you needed one option for some reason but normally without it it would work the same
[20:53] <Jusii> option for that could be hidden in some strange place on your tv
[20:54] * Sonny_Jim (~pi@90.197.159.65) has joined #raspberrypi
[20:55] <Sonny_Jim> ok so this Retropie GPIO adapter board is driving me bananas
[20:56] <Sonny_Jim> The two inputs that I can use afaics are CLOCK and LATCH
[20:56] <Sonny_Jim> But latch is apparently wired to P1-4, which is VCC
[20:56] <Jusii> Don't have any rasps at home, don't really remember if you can force hdmi on with tvservice command
[20:56] <Jusii> but have a look, it might work
[20:57] <Phosie> Just seen something on google, brb
[20:59] * troulouliou_dev (~troulouli@unaffiliated/troulouliou-dev/x-4757952) Quit (Quit: Leaving)
[21:01] * [SkG] (~sconde@unaffiliated/skg/x-897332) has joined #raspberrypi
[21:01] <mrvector> Really struggling to set power state of the SD card via the mailbox, is there something wrong with my request perhaps? Mailbox returns success, but the values are not at all what I expect. http://pastebin.com/TCFwu43f
[21:01] * liar (~liar@83.175.90.24) has joined #raspberrypi
[21:02] <mrvector> If someone could help me understand why it doesn't work, and live within 5miles of Warrington (UK), I'll actually walk home to you and give you a cookie as thank you.
[21:04] <Phosie> Huzzah!
[21:04] * liar (~liar@83.175.90.24) Quit (Remote host closed the connection)
[21:04] <Phosie> /me does snoopy dance
[21:05] <Phosie> hdmi_ignore_cec_init=1
[21:05] * knob (~knob@66-50-73-110.prtc.net) Quit (Ping timeout: 260 seconds)
[21:05] <sney> and what does that do, exactly? init the hdmi port regardless of whether it sees a display at the other end?
[21:06] * Marvin-RPi (~pi@86.85.190.249) has joined #raspberrypi
[21:06] * tombrough (~tom@cpc4-newt3-0-0-cust54.newt.cable.virginmedia.com) has joined #raspberrypi
[21:07] <Phosie> " Doesn't sent initial active source message. Avoids bringing (CEC enabled) TV out of standby and channel switch when rebooting"
[21:07] <Jusii> wow, looks like new options since I last had a look
[21:07] * nitdega_ (~nitdega@2602:304:ab12:a761:dda3:d6df:d86b:366f) has joined #raspberrypi
[21:07] <Jusii> and there's plenty of those
[21:07] * nitdega (~nitdega@2602:304:ab12:a761:dda3:d6df:d86b:366f) Quit (Killed (leguin.freenode.net (Nickname regained by services)))
[21:07] * nitdega_ is now known as nitdega
[21:07] <Jusii> http://elinux.org/RPiconfig
[21:07] * Gethiox (~gethiox@host-2-121.24.net.pl) Quit (Ping timeout: 268 seconds)
[21:08] * Gethiox (~gethiox@host-2-121.24.net.pl) has joined #raspberrypi
[21:09] * cccy_RegeaneWolf is now known as cccyRegeaneWolfe
[21:10] <Phosie> It had been bugging me for months
[21:12] * Sorroko (~Sorroko@cpc15-chms4-2-0-cust140.20-1.cable.virginmedia.com) Quit (Quit: ZNC - http://znc.in)
[21:14] * Phosie (~androirc@unaffiliated/phosie) Quit (Quit: swapping device)
[21:14] * Phosie (~Sophie@unaffiliated/phosie) has joined #raspberrypi
[21:15] <Phosie> That's better.
[21:15] * MadeAllUp (~MadeAllUp@gateway/tor-sasl/madeallup) has joined #raspberrypi
[21:15] * red723 (~redhair@port-92-193-55-84.dynamic.qsc.de) Quit (Quit: Verlassend)
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[21:30] <Sonny_Jim> Gaaaah
[21:30] <Sonny_Jim> The schems were wrong AND this board has a dry joint
[21:31] * Sonny_Jim stops tearing his hair out
[21:31] <Sonny_Jim> One or the other and I would've fixed this ages ago, but both at once = wtf is going
[21:33] * Gethiox (~gethiox@host-2-121.24.net.pl) Quit (Ping timeout: 264 seconds)
[21:33] <Mortvert> dry joint?
[21:33] <ShorTie> ohm meters are so nice
[21:34] * Gethiox (~gethiox@host-2-121.24.net.pl) has joined #raspberrypi
[21:34] <ShorTie> prob he means a cold solder joint, but find that hard to believe
[21:34] <Sonny_Jim> Mortvert: Bad solder
[21:34] <Sonny_Jim> I can *finally* switch on and off my 12V LED strips via the GPIO
[21:34] <Sonny_Jim> :-)
[21:34] * Sonny_Jim puts the kettle on, job done
[21:34] <Mortvert> Ah
[21:35] <Mortvert> Sonny_Jim, iirc that's called cold solder. :p
[21:35] <Mortvert> microcracks
[21:35] <Sonny_Jim> Not where I live
[21:35] <Mortvert> it looks like it's whole but the solder is cracked and doesn't conduct
[21:35] <Sonny_Jim> p.s If you have a rev1.0 Retropie GPIO:
[21:35] <Sonny_Jim> A. The schems are WRONG
[21:35] <Sonny_Jim> B. They are hand assembled, so check EVERYTHING
[21:39] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) Quit (Read error: Connection reset by peer)
[21:39] * liar (~liar@83.175.90.24) has joined #raspberrypi
[21:40] <nerdboy> Mortvert: correct, cold solder joints aren't good...
[21:40] <nerdboy> just need to heat both parts to the right temp
[21:40] <Mortvert> nerdboy, i had one in my first pi, RMAd it back
[21:41] * Lupinedk is now known as lupinedk
[21:41] <nerdboy> the part itself should melt the solder, not the soldering tip...
[21:42] * Encrypt (~Chuck-nor@AMontsouris-553-1-57-101.w92-151.abo.wanadoo.fr) has joined #raspberrypi
[21:42] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) has joined #raspberrypi
[21:43] <nerdboy> not that i've ever done modern precision soldering of anything digital...
[21:45] * fraktor (~fraktor@174-19-92-120.omah.qwest.net) has joined #raspberrypi
[21:46] <Sonny_Jim> gordonDrogon: Thanks for the help, works a treat now!
[21:47] * Sonny_Jim slurps his cup of tea in victory over the dodgy schematics
[21:47] <fraktor> does anyone have experience using Piana (or similar)?
[21:48] <nerdboy> Sonny_Jim: tea and "dodgy" is pretty much a dead giveaway...
[21:48] <Sonny_Jim> nerdboy: Not sure what you mean?
[21:48] <nerdboy> are you in/from the UK?
[21:49] <Sonny_Jim> oh right
[21:49] <Sonny_Jim> IP address is even easier....
[21:49] <Sonny_Jim> Could be an Aussie, although they think you are 'crook' if you ask for a cup of tea
[21:49] <nerdboy> takes extra work to type "dig -x Sonny_Jim's IP"
[21:50] <Sonny_Jim> Aussie Men Drink Beer or Coffee
[21:50] <Sonny_Jim> Well the transistor I have hooked up should be good for up to 100V@12A
[21:51] <Sonny_Jim> So could drive pretty hefty stuff from it
[21:52] * Stellar (b4f616ac@gateway/web/freenode/ip.180.246.22.172) has joined #raspberrypi
[21:52] <Stellar> hello
[21:52] <sney> hi
[21:52] * fraktor (~fraktor@174-19-92-120.omah.qwest.net) has left #raspberrypi
[21:52] <Stellar> does ffmpeg drawtext working in raspberry pi?
[21:53] * dreamon (~dreamon@unaffiliated/dreamon) has joined #raspberrypi
[21:53] <Stellar> i have compiled latest ffmpeg from git
[21:53] * fengshaun (~fengshaun@unaffiliated/fengshaun) Quit (Read error: Connection reset by peer)
[21:53] <sney> the pi has pretty specific video acceleration abilities
[21:54] <sney> if whatever video stream you're playing doesn't fall within the pi's gpu's scope, it'll play probably but really super slow
[21:54] <Stellar> nothing fancy
[21:54] <nerdboy> wth is ffmpeg drawtext?
[21:54] <Stellar> only timecode
[21:54] <Stellar> http://pastebin.com/LPb4dCWZ
[21:54] <nerdboy> are you talking subtitles?
[21:54] <Stellar> nope
[21:55] <Stellar> for timecode in videos
[21:56] <nerdboy> does the command you pasted work on x86/64?
[21:56] * fengshaun (~fengshaun@unaffiliated/fengshaun) has joined #raspberrypi
[21:56] <Stellar> should be, i haven't got the time to test it on other arch
[21:57] <nerdboy> where does "matrix" come from?
[21:57] <Stellar> that's not the problems
[21:57] <Stellar> you should see after the pipe "|"
[21:58] <Stellar> ffmpeg -y ..
[21:59] <Stellar> there was some quirks happened with the compile the ffmpeg seems to ignore my --prefix install, in which i couldn't make install properly
[21:59] <Stellar> could be new compiled ffmpeg loading old left over libs in my system ?
[22:00] <Stellar> i meant the one that are sets on the bash env
[22:02] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) Quit (Read error: Connection reset by peer)
[22:02] <nerdboy> is the ffmpeg package also installed?
[22:04] * GingerGeek is now known as GingerGeek[Away]
[22:05] <nerdboy> i'm on a new box i just built... compiling ffmpeg/vlc...
[22:05] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) has joined #raspberrypi
[22:05] * cumana (~koomahnah@unaffiliated/cumana) has joined #raspberrypi
[22:06] <Stellar> nope
[22:06] <nerdboy> then what libs are you referring to?
[22:07] <nerdboy> does ffmpeg upstream bundle other lib sources?
[22:07] <Stellar> avconv which superseeds ffmpeg in lot's of distro already installed
[22:08] * jlf` (~user@pdpc/supporter/active/jlf) Quit (Remote host closed the connection)
[22:08] <nerdboy> is that an optional ffmpeg tool?
[22:08] * jlf` (~user@pdpc/supporter/active/jlf) has joined #raspberrypi
[22:08] <nerdboy> i don't seem to have it...
[22:11] <Stellar> do you rpi on hand?
[22:11] <Stellar> would you mind to test out that line?
[22:12] <Stellar> you only need a rtmp server as backend
[22:12] * liar (~liar@83.175.90.24) Quit (Ping timeout: 260 seconds)
[22:12] * cccyRegeaneWolfe is now known as cccy_RegeaneWolf
[22:16] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) Quit (Read error: Connection reset by peer)
[22:17] * phatina (~phatina@adsl-dyn141.91-127-167.t-com.sk) Quit (Quit: Leaving)
[22:19] * liar (~liar@83.175.90.24) has joined #raspberrypi
[22:19] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) has joined #raspberrypi
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[22:22] <nerdboy> Stellar: i have a raspbian card
[22:24] * dreamon (~dreamon@unaffiliated/dreamon) Quit (Remote host closed the connection)
[22:25] <mrvector> Going to try one more time, attempting to power the sd-card off via the mailbox yields unexpected response, any help is appreciated, tearing my hair out here. http://pastebin.com/VFTrCiKN
[22:27] * jlf` (~user@pdpc/supporter/active/jlf) Quit (Remote host closed the connection)
[22:27] * jlf`` (~user@pdpc/supporter/active/jlf) has joined #raspberrypi
[22:27] <nerdboy> Stellar: rtmp backend is the ffmpeg piece?
[22:27] <Stellar> it's nginx rtmp
[22:27] <Stellar> for me
[22:27] <Stellar> or could be crtmpserver
[22:28] <Stellar> currently i am adding --enable-avresample \ --enable-filters \ to my configure flags hopefully will fix it
[22:29] * dreamon (~dreamon@unaffiliated/dreamon) has joined #raspberrypi
[22:30] <nerdboy> hmm, my browser got a hit and asked to choose an application so i installed vlc
[22:30] <Stellar> nerdboy: from #ffmpeg people <durandal_1707> Stellar: filters can not work with copy
[22:30] <Stellar> darn it, i have trash my compile lol
[22:31] <Stellar> another 2 hours for ffmpeg compile, great...
[22:32] <nerdboy> if you need to build from source a lot you should try openembedded...
[22:34] <Stellar> is there even other peoples who already use it?, so far i saw lot's of using buildroot
[22:34] <Stellar> but no fancy proper buildd
[22:34] <nerdboy> i'm using meta-raspberrypi with poky master
[22:35] <nerdboy> builds a nice xorg desktop image in a few hours
[22:35] <nerdboy> depending on cores/ram...
[22:35] <nerdboy> a rebuild of ffmpeg and opkg install ffmpeg would take a few minutes
[22:36] * XpineX (~XpineX@93-160-241-247-dynamic.dk.customer.tdc.net) Quit (Quit: Leaving)
[22:37] <Stellar> this one https://github.com/djwillis/meta-raspberrypi ?
[22:37] <nerdboy> when i get a decent build box put together i'll add ffmpeg to the package feed
[22:37] <nerdboy> no, all the xorg stuff is in my fork
[22:37] <nerdboy> that one is bare-bones...
[22:38] <nerdboy> https://github.com/sarnold/meta-raspberrypi
[22:38] <nerdboy> check the wiki doc for links and setup
[22:38] * linuxstb (~linuxstb@unaffiliated/linuxstb) has joined #raspberrypi
[22:39] <Stellar> neat, thx
[22:39] <Stellar> just need adds nginx
[22:39] <nerdboy> it's in the feed
[22:39] <nerdboy> just not in image
[22:40] <nerdboy> lemme check...
[22:40] <nerdboy> i've got an older version with a pi logo and a newer one without
[22:41] <Stellar> you meant in the nginx default page?
[22:41] <nerdboy> lemme build the newer one and update the index
[22:43] <nerdboy> yeah, i added the older recipe first and then updated it
[22:43] * Enemby (~Enemby@c-98-202-153-124.hsd1.ut.comcast.net) has joined #raspberrypi
[22:43] <nerdboy> just the normal welcome page on the newer one
[22:44] * suehle (~rsuehle@fedora/suehle) Quit (Ping timeout: 264 seconds)
[22:44] <mrvector> :'(
[22:44] <Stellar> kernel is pretty old i assume?
[22:45] <nerdboy> latest pi kernel
[22:45] <nerdboy> 3.6.11 plus some patches i think
[22:45] * Mogwai (~mogwai@206-248-185-191.dsl.teksavvy.com) Quit (Ping timeout: 246 seconds)
[22:45] <Stellar> SRCREV = "31a951046155b27361127d9cf85a1f58719fe9b3"
[22:46] <nerdboy> are you trying to say that's currently not the latest commit?
[22:46] * nerdboy hasn't looked in a few weeks...
[22:46] * cumana (~koomahnah@unaffiliated/cumana) Quit (Read error: Operation timed out)
[22:47] * heathkid|2 (~heathkid@unaffiliated/heathkid) has joined #raspberrypi
[22:47] * heathkid (~heathkid@unaffiliated/heathkid) Quit (Disconnected by services)
[22:47] <Stellar> i just having problems rpi camera with kernel..
[22:47] * lars_t_h (~lars_t_h@002129166108.mbb.telenor.dk) has joined #raspberrypi
[22:48] <Stellar> won't be noticeable in other daemons usage
[22:48] <Stellar> that's why
[22:48] <Stellar> tried 3.9 i think
[22:49] * SgrA (~sgra@gateway/tor-sasl/sgra) Quit (Ping timeout: 240 seconds)
[22:50] * Sonny_Jim (~pi@90.197.159.65) Quit (Ping timeout: 260 seconds)
[22:51] <Stellar> nerdboy: openembedded looks proper enough than buildroot as the resulting products is direct image
[22:51] * PasNox (~pasnox@2a01:e35:8b61:9b30:260:b3ff:fe53:ed21) Quit (Ping timeout: 264 seconds)
[22:52] * violet-rpi (~quassel@2001:5c0:1400:b::813) Quit (Read error: Connection reset by peer)
[22:52] * violet-rpi (~quassel@laptoptina.broker.freenet6.net) has joined #raspberrypi
[22:53] <nerdboy> that's the only build output i use normally, the disk image plus the package feed
[22:54] <nerdboy> okay, nginx-1.4.0 is in the feed if you want to try it
[22:55] * SgrA (~sgra@gateway/tor-sasl/sgra) has joined #raspberrypi
[22:56] <Stellar> thx nerdboy !
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[23:01] <nerdboy> seeing if the gst-ffmpeg recipe builds...
[23:01] <nerdboy> Stellar: the main readme is decent enough to start building if you want
[23:02] <nerdboy> just clone three repos and init your build env and edit the local/bblayers.conf
[23:02] * sinnet3000 (sinnet3000@3ee-008.static.bnc4free.com) has joined #raspberrypi
[23:02] <Stellar> still looking at at the structures as i only needs cli, ffmpeg, nginx rtmp
[23:02] <Stellar> and some patch to the kernel
[23:03] * Datalink (~Datalink@unaffiliated/datalink) Quit (Ping timeout: 264 seconds)
[23:03] <nerdboy> there a couple of non-X image recipes
[23:03] * psychiatronics (~psychiatr@ip70-160-29-75.hr.hr.cox.net) Quit (Read error: Operation timed out)
[23:03] <nerdboy> very basic ones...
[23:03] <nerdboy> the xorg/openbox image is less than 600 MBs
[23:04] <nerdboy> and you can always kill the X init stuff...
[23:04] <nerdboy> i just use it as-is (ie, let it boot to the desktop) whether headless or not
[23:04] <Stellar> yup but just wanted more manageable devices
[23:05] <nerdboy> meaning?
[23:05] <nerdboy> wifi/bluetooth/etc?
[23:05] <Stellar> it's hard to debug if your libs folder filled up with thousands of lib files...
[23:05] <Stellar> because also i am not linux dev by day..
[23:05] <nerdboy> not that much installed really...
[23:06] <Stellar> about the predefined WINDOW_MANAGER ...
[23:06] * dRbiG (drbig@unhallowed.pl) Quit (Ping timeout: 246 seconds)
[23:06] <Stellar> does this var hardcoded in the upstream?
[23:06] <Stellar> and this XSERVER..
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[23:07] <nerdboy> no that's just for package grouping in the image recipe
[23:07] <nerdboy> they're just local to that recipe
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[23:07] * timatron (~timatron@cpe-76-168-61-54.socal.res.rr.com) Quit (Quit: timatron)
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[23:08] <Stellar> you don't need to defined as a var beforewards?
[23:08] <nerdboy> a few of the other config options are set in local.conf, which is constructed for you when you init a new environment
[23:08] <Stellar> because i couldn't see any other occurances..
[23:08] <nerdboy> are you looking at the rpi-xorg recipe?
[23:09] <nerdboy> you could always remove the xorg stuff and make your own recipe...
[23:09] <Stellar> hmm
[23:09] <nerdboy> add nginx and whatever you need
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[23:10] <Stellar> where is rpi-xorg located?
[23:10] <Stellar> looks like github search broken
[23:11] <Stellar> and there is no linux-firmware ?
[23:11] <nerdboy> https://github.com/sarnold/meta-raspberrypi/wiki/Raspberry-Pi-Openbox-MPD-Image-Setup
[23:11] <nerdboy> click the image recipe link near the top
[23:11] * gyeben (bc24499e@gateway/web/freenode/ip.188.36.73.158) Quit (Ping timeout: 250 seconds)
[23:12] <Stellar> ^^;
[23:12] <Stellar> sorry
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[23:13] <Stellar> so raspberrypi/firmware is not required?
[23:13] <nerdboy> there are firmware recipes
[23:14] <nerdboy> everything gets build into the image for that particular image recipe
[23:14] <nerdboy> *built even
[23:15] <nerdboy> several of the recipes pull direct from upstream git repos
[23:15] <Stellar> assuming you are using this on productions, how you manage to update your running systems?
[23:15] <nerdboy> package manager is opkg
[23:15] <Firehopper> http://www.flickr.com/photos/firehopper/sets/72157635427543068/ < motorized bike project
[23:15] <nerdboy> works like apt-get "lite"
[23:15] <nerdboy> sort of...
[23:15] <Stellar> aha!, so just run a simple httpd ?
[23:16] <nerdboy> the package feeds are defined in /etc/opkg, and yes, there's no special httpd config
[23:17] <nerdboy> just an alias pointing to the top of the package build tree
[23:17] <maxinux> Firehopper: your vista cruiser?:)
[23:17] <nerdboy> alternatively you could wget packages and install locally
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[23:17] <Stellar> i see, thx again nerdboy
[23:17] * Encrypt (~Chuck-nor@AMontsouris-553-1-57-101.w92-151.abo.wanadoo.fr) Quit (Quit: Quitte)
[23:18] * donta (~donta@unaffiliated/d0nta) has joined #raspberrypi
[23:18] <nerdboy> the whole setup is on a spare box right now (just for the feeds) and i apparently don't have enough memory to build ffmpeg...
[23:20] <Firehopper> maxinux, vista cruiser?
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[23:26] <Stellar> cool bike!
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[23:28] <Firehopper> hopefully better when its done
[23:28] * lars_t_h (~lars_t_h@002129166108.mbb.telenor.dk) Quit (Quit: Leaving)
[23:28] <nerdboy> yup, just building netcat swaps like mad...
[23:32] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) Quit (Read error: Connection reset by peer)
[23:35] <maxinux> Firehopper: your bike says vista on the front... and putting a motor in it, so vista cruiser sounds good (think that 70s show)
[23:35] <maxinux> was the wagon there.. but can be your bike equiv ;)
[23:35] <maxinux> cruise the vistas
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[23:40] <Firehopper> ah
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These logs were automatically created by RaspberryPiBot on irc.freenode.net using the Java IRC LogBot.