#raspberrypi IRC Log

Index

IRC Log for 2013-11-15

Timestamps are in GMT/BST.

[0:00] * satellit (~Thomas@208.100.148.195) has joined #raspberrypi
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[1:19] * LuisLeite (~emcrl@bl15-166-117.dsl.telepac.pt) has joined #raspberrypi
[1:20] * LuisLeite good evening
[1:20] <LuisLeite> Vialas, over there?
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[2:11] <Cheekio> tips and tricks for using raspi without a mouse?
[2:11] <Cheekio> The wireless card apparently wants too much juice
[2:12] <[Saint]> Get a decent power supply.
[2:12] <SpeedEvil> Use a powered hub
[2:12] <[Saint]> ...or that, yes.
[2:12] <clever> Cheekio: ratpoison is a good window manager for mouse free use
[2:12] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) has joined #raspberrypi
[2:12] <alusion> after I write image to sd card
[2:12] <alusion> do I just boot on pi?
[2:12] <Cheekio> I have a 2a wall supply
[2:13] <alusion> also.. I don't have an hdmi adapter :(
[2:13] <alusion> enabled display*
[2:13] <Cheekio> That should be enough for a mouse/keyboard/wifi, but apparently not
[2:13] * jaytk (~jaytk@108-232-157-80.lightspeed.tukrga.sbcglobal.net) has joined #raspberrypi
[2:14] <[Saint]> Not if they're all trying to draw 500mA
[2:14] <[Saint]> (which is unlikely, but possible)
[2:15] <[Saint]> backlit keyboards and wired optical mice can have silly demands sometimes.
[2:16] <Cheekio> Well, I have a deathadder which is only says 150mA
[2:16] <taza> Cheekio: Only 750mA of your RPi power gets used.
[2:16] * felipealmeida (~user@177.41.16.10) Quit (Remote host closed the connection)
[2:16] <alusion> after i do cat raspbianimage.img > /dev/sda* [device]
[2:16] <alusion> what then?
[2:16] <alusion> boot?
[2:17] <taza> If you have a 2A, 5A, 75A, 9500A power supply doesn't matter, the RPi can only use 750mA, including the USB devices
[2:17] <Cheekio> well now I only have the wireless adapter plugged in
[2:17] <taza> Unless you have a powered hub, obviously.
[2:17] <Cheekio> I've just got to nmap my way to finding it on the network
[2:17] * jaytk (~jaytk@108-232-157-80.lightspeed.tukrga.sbcglobal.net) Quit (Ping timeout: 252 seconds)
[2:18] <[Saint]> taza: ...errr, the pi uses ~700mA without peripherals, but it can make use of more than that from the power supply.
[2:18] <taza> [Saint]: It can't pull more than 750mA
[2:18] * troulouliou_dev (~troulouli@unaffiliated/troulouliou-dev/x-4757952) Quit (Remote host closed the connection)
[2:19] <[Saint]> That *can't* be true, otherwise my pi manages to run on about 300mA
[2:19] <[Saint]> ...which, well...no.
[2:19] <taza> Cheekio: Hot tip for a new person: Just ignore [Saint]
[2:20] * Megaf (~Megaf@unaffiliated/megaf) Quit (Quit: Good Night)
[2:20] <Cheekio> [Saint]> Get a decent power supply.
[2:20] <taza> Aaaand he's slinging insults at me in query. How... new.
[2:20] <Cheekio> Yeah, that was pretty much an insult/wrong as the first response.
[2:20] <taza> Cheekio: If it does 750mA reliably, it cannot do anything more.
[2:21] <taza> The reason people say 2A is 'cause most supplies rated at 750mA don't get close.
[2:21] <Cheekio> is the default user 'pi'?
[2:21] <taza> Yep
[2:21] <taza> It's on a wiki somewhere.
[2:21] <Cheekio> so >>ssh pi@ip.ad.dr.ess
[2:21] <pksato> Only RPi need less that 470mA. plus 280mA for usb, get 750mA.
[2:22] <[Saint]> Assuming my peripherals aren;t just plainly lying, it apparently can survive with a lot less.
[2:23] * Macuser (~textual@unaffiliated/macuser) Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
[2:23] <[Saint]> Assuming everything attached is drawing its limit, there's about 300mA left for the pi to run on and I don;t see how that could boot.
[2:23] <taza> That's a whole lot of assumptions.
[2:24] <pksato> after PSU, other issue is micro USB cable, some use so tiny wires, causing high voltage drop.
[2:24] * Boydy (~Boydy@unaffiliated/boydy) Quit (Remote host closed the connection)
[2:24] <taza> But this problem is overwhelmingly likely caused by the wireless adapter just being too power-hungry to be powered through the Pi.
[2:25] <Cheekio> is there an advantage of using the circular plug over microusb?
[2:25] * Boydy (~Boydy@unaffiliated/boydy) has joined #raspberrypi
[2:25] <taza> ... wait, what circular plug?
[2:25] <Cheekio> Op, no, that's a video out.
[2:25] <taza> Yeah. I was thinking.
[2:25] <Cheekio> I kept registering that as a power input.
[2:25] <taza> Connecting a power supply there is a baaad idea.
[2:25] <[Saint]> that's VGA, not DC in.
[2:26] <Cheekio> Luckily, I don't know many power supplies that would fit :D
[2:26] <[Saint]> gah, lag.
[2:26] <taza> Most people get a powered hub that doesn't backfeed.
[2:26] <[Saint]> yeah - don;t apply power to that. it probably wouldn;t be fun.
[2:26] <taza> (That is, doesn't feed power over the 5V back to the main device.)
[2:26] <Cheekio> So... what else am I looking at?
[2:26] <taza> There's some safety problems with back-feeding USB hubs.
[2:26] <taza> ... honestly, the default data oughta be on the site, under FAQs.
[2:26] <Cheekio> I've already done runs to the store for a sd card, an sd card reader, along with the wireless card (that might not even work)
[2:27] <Cheekio> now a powered usb hub. I feel like I missed an important 'this is what you need' guide.
[2:27] <taza> Basically you need a powered usb hub to make wireless work.
[2:27] <taza> Wired works fine without, though
[2:29] <pksato> for safe use, powered usb hub is recomend. If you are not afraid of smoke. you can power RPi from GPIO or USB ports.
[2:29] <taza> It's not a 100% deal, though
[2:29] <taza> Yeah. Backfeeding also can cause smoke.
[2:29] <taza> ... also. pksato's "usb ports" actually means that.
[2:29] * Boydy (~Boydy@unaffiliated/boydy) Quit (Ping timeout: 246 seconds)
[2:30] <Cheekio> Any recommendations for a powered usb hub?
[2:30] <taza> ... I'm pretty sure there's a forum thread/threads about tested hubs
[2:30] <pksato> But, some power issues remains...
[2:31] <pksato> like in rush current.
[2:31] <pksato> noise.
[2:31] <taza> True, but also not super relevant
[2:32] <taza> Cheekio: The default image does support SSHing right in, but there's no guarantee the wireless adapter installed properly.
[2:33] <taza> (For reference, my test bench has a HDMI display, very standard usb keyboard, wired ethernet)
[2:33] <taza> You can check how it boots from the colors of the LEDs that flash on bootup
[2:33] <pksato> can solved replacing or adding some Low ESR capacitos.
[2:33] <Cheekio> heyo - http://himeshp.blogspot.com/2012/07/small-and-cheap-usb-wi-fi-adapter-for.html
[2:34] <Cheekio> looks like someone's already done the legwork for me
[2:34] * LuisLeite (~emcrl@bl15-166-117.dsl.telepac.pt) Quit (Quit: Leaving)
[2:34] <Cheekio> that's my exact super cheap super small wireless adapter
[2:35] <taza> And now you just need to get in to install the driver, heh.
[2:35] <[Saint]> taza: lets approach this a different way - can you show me the devine guideline outlining draw greater than 750mA is impossible?
[2:35] <taza> Not right now, but it's in the documentation somewhere
[2:35] * Macuser (~textual@unaffiliated/macuser) has joined #raspberrypi
[2:35] <[Saint]> I ask because I find a lot of information that disagrees with this.
[2:35] <SpeedEvil> [Saint]: there is a 750mA polyfuse in the front of the input
[2:35] <[Saint]> Rather a lot.
[2:36] <Cheekio> alright, well there are apparently powered hubs down the street
[2:36] <[Saint]> SpeedEvil: ...isn't that closer to 1.1A
[2:36] <[Saint]> +?
[2:36] * \\Mr_C\\ (mrc@68-184-50-175.dhcp.mtgm.al.charter.com) has joined #raspberrypi
[2:36] <SpeedEvil> I thought it was 750mA
[2:36] <taza> [Saint]: http://elinux.org/RPi_Hardware
[2:36] <Cheekio> time to check my bank account and see if I can make it to Radioshack before 9
[2:36] <taza> It's exactly 750mA
[2:36] <taza> Under "power"
[2:36] <sney> that wifi dongle article makes me suspicious, the rtl8188 driver in raspbian just needs a firmware package to work in most cases, not a full driver recompile
[2:36] <taza> Cheekio: If you have wired Ethernet, that could solve this problem for $0
[2:37] <pksato> outdated blog post.
[2:37] <pwillard> I really like the D-LINK DUB-H7 powered HUB. It has 2 POWR ONLY sockets.
[2:37] <sney> in fact, you could mount the sd card on another system and just unpack the firmware package into the right locations
[2:37] <SpeedEvil> 'farnell recommend' does not mean mych
[2:37] <[Saint]> taza: 750 doesn;t appear on that page at all.
[2:37] <taza> Look for 1.1A
[2:38] <pksato> original F3 polyfuse is rated to 750mA.
[2:38] <[Saint]> "The microUSB input port also has a 1.1 A polyfuse"
[2:38] <Triffid_Hunter> Cheekio: http://triffid-hunter.no-ip.info/101_0059.JPG and http://triffid-hunter.no-ip.info/101_0120.JPG got my rpi rock solid.. they're really not designed to power stuff through the usb-A port which frankly is a rather stupid oversight on the part of the pcb designers since it's so easy to solve
[2:39] <pwillard> Element14 reccomended WIPI wireless adapter... I'll never trust them again.
[2:39] <taza> [Saint]: And combining that with what pksato just said...
[2:39] <SpeedEvil> It's intentional, not an oversight.
[2:39] <taza> Plus, they actually did revise the hardware so it allows backpowering
[2:39] <taza> It still voids your warranty
[2:39] <pksato> If F3 are replaced by 1.1A, is not my fault.
[2:39] <Cheekio> Triffid_Hunter: that seems like the only solution
[2:39] <Triffid_Hunter> SpeedEvil: it's intentionally crippled in a way that pisses basically everyone off?
[2:40] <Cheekio> Who redeems the warranty on a $35 computer?
[2:40] <pwillard> Your wallet
[2:40] * Bozza (~Bozza@p5DE8E8DD.dip0.t-ipconnect.de) has joined #raspberrypi
[2:40] <SpeedEvil> Cheekio: people who have problems affording things.
[2:40] <taza> Triffid_Hunter: Adding a polyfuse so my spotty power supply doesn't fry my computer is actually good design
[2:40] <Cheekio> That's like... nearly the shipping there and back
[2:40] <Cheekio> Triffid_Hunter, is that hack just really 4 wires? Cause I have no qualms taking the soldering iron to this thing
[2:40] <Triffid_Hunter> taza: I don't think polyfuse is the problem.. there's not enough decoupling capacitors on the board, and the 5v power traces are too thin
[2:40] <[Saint]> SO...its more correct to say "current draw /might/ be limited to ~700mA, but if you purchased semi-recently it probably isn;t" I see.
[2:41] * andrew91_ (~andrew918@198-91-173-245.cpe.distributel.net) has joined #raspberrypi
[2:41] <Triffid_Hunter> Cheekio: yeah a few wires and 3 10u mlcc
[2:41] <taza> [Saint]: There's no telling which version of the hardware you have without taking a multimeter to it.
[2:41] <Triffid_Hunter> Cheekio: http://triffid-hunter.no-ip.info/101_0120_mlcc.jpg <-- mlccs highlighted
[2:41] <Cheekio> 10u mlcc? I have no idea what mlcc is
[2:41] <Triffid_Hunter> Cheekio: multilayer ceramic capacitor
[2:41] <taza> Cheekio: If you wanna go the soldering iron route... have fun, but read up. It'll work, but honestly, I don't want to risk the smoke.
[2:42] <SpeedEvil> The capacitors are limited by the USB standard
[2:42] <Cheekio> I'll run, get the powered usb hub
[2:42] * jlf (~user@pdpc/supporter/active/jlf) Quit (Remote host closed the connection)
[2:42] <Triffid_Hunter> SpeedEvil: so is the max current and we're already violating that on the power input
[2:43] <taza> Cheekio: Another newbie tip: Discussing the fuses will get people arguing between stability and hackability, like clockwork. :p
[2:44] <Triffid_Hunter> SpeedEvil: part of the trouble is that the rpi itself doesn't have enough capacitors to handle the plug-in surge and other peak draw conditions from otherwise completely normal usb devices
[2:44] <taza> Triffid_Hunter: Do the legwork on next hardware revision and I'm sure people will listen, but the RPi is already done
[2:44] <Triffid_Hunter> taza: thing that annoys me most is that the first thing anyone learns when doing digital electronics is about adequate decoupling, and this is clearly caused by a lack of decoupling- ie a rookie mistake
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[2:45] <taza> The Pi has a lot of rookie mistakes, and a lot of problems resulting from lack of manpower and organization.
[2:45] <taza> But hey, it works. So, better than the OUYA.
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[2:45] <taza> And it's a reliably $50 computer, actually pretty good for the stated purpose.
[2:46] <Triffid_Hunter> it works after a little user modification.. I wouldn't say it works out of the box since it falls over and dies with the majority of usb wifi
[2:49] <pksato> C6 need to be replaced for more quality capacitor. Or put one of 1000uFx6v3 on GPIO 5V/GND pins. http://imageshack.us/photo/my-images/138/rpihookedcap.jpg/
[2:49] <Triffid_Hunter> pksato: 10u mlcc were ample for my board, didn't need an electro
[2:50] <pwillard> Personally, I would never have designed a board with I/O ports on all sides.
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[2:52] <Triffid_Hunter> pwillard: sometimes the choices are IO on all sides or a significantly larger board. I don't dislike with that particular decision on their part
[2:52] <Triffid_Hunter> s/with//
[2:53] <pwillard> I would have much preferred a board with one side like a MicroATX... Making it easier to insert into standard off the shelf cases. It probably would not need to have been as *deep*... just longer... But, I get it they were aiming for close to credit card sized.
[2:53] <Triffid_Hunter> yep, bigger boards push costs both in fab and in shipping
[2:54] <pwillard> Well, if dimensions were say 4" x 1" it might have worked... but understood... that would not work with some fab houses
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[3:33] <Cheekio> so... I'm going with the two 1 ohm 1/4 watt resistors
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[3:34] <Cheekio> I think I have two tiny resistors like that
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[3:38] <taza> Good luck. Remember to read up on the design, it's already been tried a lot.
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[3:57] <Cheekio> apparently I only have 330 ohm and 10k resistors, no 1ohm.
[3:57] <Cheekio> 1ohm... at that point you're basically just putting a shoddy wire around the fuse
[3:57] <Cheekio> I could do just bypass it
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[4:36] <clever> slowly getting towards mplayer working on raspberrypi
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[4:43] <SpeedEvil> You do know that without GPU accelleration, capabilities will be extremely limited?
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[4:47] <Bozza> Triffid_Hunter: what is that mod?
[4:47] <Bozza> the mlccs thing
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[4:57] <gkwhc> Hi everyone, I know this is a raspberry pi channel, but would anyone happen to be familiar with preemptive RTOS, like BIOS from TI?
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[4:57] <rikkib> Hmmm
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[4:57] <rikkib> I run RTOS on stm32v
[4:58] <gkwhc> oh cool, is it preemptive based?
[4:58] <rikkib> Not up to speed with TI although I do have a dsp board from Olimex
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[4:59] <rikkib> I assume so but...
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[5:00] <rikkib> Not really that sure what context preemptive is use in
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[5:00] <gkwhc> I see. Well I am trying to record audio onto a SD card and loop it back to output at the same time, but there are pops and stuff, so I was wondering if i had overestimated that the system can handle such simple task
[5:01] <rikkib> Are you using dma?
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[5:01] <gkwhc> By preemptive, TI's BIOS basically executes a thread with a higher priority. I dont think it time-slices
[5:02] <gkwhc> rikkib: yep, using DMA for both audio buffers and SD card access
[5:02] <rikkib> RTOS has a priority setting
[5:03] <gkwhc> mhm
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[5:05] <rikkib> Maybe bigger buffers
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[5:06] <rikkib> Are you working in asm?
[5:06] <gkwhc> nope, c
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[5:06] <rikkib> What is the devel board you are working with
[5:08] <gkwhc> ezdsp55xx series
[5:08] <rikkib> I have TMS320-P28016
[5:10] <gkwhc> oh nice!
[5:10] <gkwhc> have you done much with it?
[5:10] <rikkib> Problem is I have not done enough homework on it
[5:11] <rikkib> Have JTag for it as well
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[5:11] <rikkib> I figured out how to load it but the sw I have is all asm orientated I think
[5:12] <gkwhc> i see
[5:12] <rikkib> One of those round 2 it project that I have one to many of.
[5:13] <rikkib> By the time I get around to it it will be obsolete
[5:14] <gkwhc> true. I dont understand TI - they seem to have great products, but there arent that many resources
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[5:15] <rikkib> I have other TI dsp boards as well. Old school ones. Again asm, something I have tried to get away from in favor of C with maybe embedded asm.
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[5:17] <rikkib> Sounds like you need to do a cycle by cycle analysis of your critical routines
[5:18] <gkwhc> good idea. is there still support for that though? I know TI has dropped alot of things since ccs3.3
[5:18] * Benguin is now known as Benguin[ZzZ]
[5:19] <rikkib> There is always the manual way :)
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[5:20] <gkwhc> ?
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[5:22] <rikkib> How do you manage the transfer rates? SD cards are perhaps slower than the D/A hardware.
[5:25] <gkwhc> I believe i am using SD/mmc mode clocked at 20MHz (memory clock line)
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[5:25] <gkwhc> what was the manual way, btw?
[5:26] <rikkib> look up the cycles for each instruction
[5:26] <rikkib> add them up
[5:26] <rikkib> op code maps
[5:27] <gkwhc> oh i see
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[5:29] <rikkib> I know from the stm32v with rtos you can get it horribly wrong and not have enough time to do what you need to do because other threads do not have enough sleep time
[5:30] <gkwhc> "not enough sleep time"..so there is an issue with context switching?
[5:31] <rikkib> It is a balance of between responsiveness and performance.
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[5:32] <rikkib> If you are checking say a touch screen to much it effects the other threads
[5:33] <rikkib> not enough and you miss a touch
[5:33] <gkwhc> ah i see
[5:33] <rikkib> With dsp it is obviously faster
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[5:34] <rikkib> So look at your input methods to see if you can scan less thereby giving more time to the fast xfers
[5:35] <gkwhc> yeah i am thinking of clocking it faster, though that wouldnt be ideal
[5:36] <rikkib> I sometimes put in early switches to bail quick if nothing to do
[5:37] <rikkib> Or a not this time round switch that can give more time to critical function
[5:38] <gkwhc> hm DSP/BIOS automatically takes care of that, which is nice
[5:39] <rikkib> It is a hard row to hoe is dsp...
[5:40] <rikkib> I have looked into things like DStar
[5:41] <rikkib> I&Q
[5:41] <rikkib> Real fast audio :)
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[5:46] <gkwhc> never heard of those
[5:47] * sandman (~nobody@cpe-107-10-65-138.new.res.rr.com) has joined #raspberrypi
[5:47] <sandman> Any idea on when Wayland will be ready?
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[5:48] <Jusii> yes please! What's its current status? Haven't tried for couple of months
[5:49] <sney> likely dependent on gpu reverse-engineer progress but I haven't checked personally
[5:50] <clever> what is wayland again?
[5:50] <sney> X11 replacement
[5:50] <clever> ah
[5:50] <clever> does it support raw framebuffer?
[5:51] * senn (~senn@175.139.127.76) Quit (Remote host closed the connection)
[5:51] <sney> http://wayland.freedesktop.org/
[5:52] * jhulten (~jhulten@c-67-171-38-128.hsd1.wa.comcast.net) Quit (Ping timeout: 264 seconds)
[5:52] <clever> sney: would it still be using the framebuffer interface, or using the opengl api to make the gpu do things for the app?
[5:53] <sney> aiui, the latter
[5:53] <clever> ah
[5:53] <sney> but I don't understand it that deeply :)
[5:53] <clever> i did spot some related kernel functions recently
[5:53] <clever> a framebuffer ioctl to do rectangle copies
[5:53] <clever> and thats the same kind of thing android needs to get decent graphical performance
[5:54] <sney> android's graphics are mostly cpu-bound, I'm assuming? I hadn't thought much about it but it follows
[5:55] <clever> there are 2 graphic api's in android
[5:55] <clever> the cpu based one, just does the draw when you call the draw function
[5:55] <clever> the gpu one, just stores the directions into a list
[5:55] <clever> then it can run thru those directions using the gpu
[5:55] * gkwhc (~gkwhc@unaffiliated/gkwhc) has left #raspberrypi
[5:55] <clever> the gpu method also saves a lot of redraw calls, because it stores the directions for every ui element
[5:56] <clever> and doesnt have to repaint things that didnt change
[5:56] <clever> it already has the paint commands for it, and can just re-execute it on the gpu
[5:56] <clever> less calls into the dalvik vm, and if you had access to the gpu dev kit, you could execute it totaly in the gpu
[5:57] <sney> hmm. but like the pi, nobody has that?
[5:57] <clever> only broadcom has that
[5:57] <clever> so you would have to do the same as wayland
[5:58] <clever> parse the directions in the gpu, convert it to a series of opengl calls, and make those to the gpu
[5:58] <clever> cpu and gpu i mean
[5:58] <sney> intresting
[5:58] <clever> at a glance, i think the wayland api is the same as the new android api
[5:58] * jaytk (~jaytk@108-232-157-80.lightspeed.tukrga.sbcglobal.net) has joined #raspberrypi
[5:59] <sney> yeah at least, I'm sure they're well aware of each others' code
[5:59] <clever> all paint operations in the final app do no actual painting, they just put a drawing primitive into a list
[5:59] <clever> then the server runs thru those
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[6:34] <sandman> Does prelink do any good on a RPi?
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[6:38] <clever> shiftplusone: you about?
[6:38] <clever> shiftplusone: nvm
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[6:40] <nerdboy> sandman: i don't see why not
[6:41] <nerdboy> what are you running?
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[6:44] <sandman> nerdboy: iceweasel
[6:45] <nerdboy> raspbian?
[6:46] <sandman> Yip
[6:47] <nerdboy> so just the one binary? if it works, you should notice a difference
[6:49] <nerdboy> i don't use debian/raspbian enough to say that i've tried it there
[6:49] <nerdboy> it Just Works on gentoo
[6:50] * circuit (~daniel@bas1-newmarket85-3096615673.dsl.bell.ca) Quit (Quit: leaving)
[6:51] <nerdboy> but i stopped building *on* the pi and switched to building *for* the pi instead
[6:51] <nerdboy> looks like there's a recipe for prelink, so i should probably try it
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[6:55] <sandman> nerdboy: Sounds like headaches.
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[6:57] <nerdboy> nope, OS image builds in about 4 hours from scatch, or about 10 minutes with the state cache populated
[6:58] <nerdboy> yocto/poky is pretty slick these days
[6:58] <nerdboy> sometimes i think webkit-gtk takes longer than the rest of the OS, but thats pretty much the blotiest thing in it
[6:59] <nerdboy> that's on a cheap/homemade 6-core athlon box with 4 GBs ram
[6:59] <sandman> Anyone else get segfaults with Midori? I heard someone apt-get --purge autoremoved it, along with a bunch of webkit stuff, then reinstalled, and then it worked.
[7:00] <sandman> nerdboy: Funny you mention webkit. That's precisely what I'm having trouble with atm
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[7:01] <nerdboy> i had to patch it for arm
[7:04] <nerdboy> sorry, not patch, just a configure workaround
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[7:04] <nerdboy> rebuild webkit-gtk with --disable-jit
[7:05] <nerdboy> that should stop midori from segfaulting
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[7:08] <nerdboy> one would think rasbian upstream had already done that...
[7:09] <nerdboy> had to add a bb_append for that a while back
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[7:10] <nerdboy> midori works fine now
[7:13] <sandman> It would appear raspbian isn't as updated as I'd like.
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[7:20] <nerdboy> you could install build-essential and re-package it yourself
[7:20] <nerdboy> not sure how long it would take on the pi
[7:20] <nerdboy> by next week maybe?
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[7:31] * sandman (~nobody@cpe-107-10-65-138.new.res.rr.com) Quit (Remote host closed the connection)
[7:31] <clever> nerdboy: you can either cross-compile it (needs the right configure scripts), or you can use several variations of qemu
[7:31] <clever> if you run the whole thing, kernel and all in qemu, you get the worst performance
[7:32] <clever> but if you use something like this, you can use all the cores in the host computer: https://github.com/cleverca22/crosspiroot
[7:33] <nerdboy> i use yocto/poky
[7:33] <nerdboy> sandman is the one with segfaults
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[7:34] * nerdboy hands sandman a tasty beverage and a cookie
[7:34] <nerdboy> damn, i'll just have it all to myself...
[7:34] <clever> ok, i think ive solved all the mplayer fun to get a h264 bitstream
[7:34] <clever> now to add some omx fun to the mix
[7:36] <nerdboy> qemu would give it more memory, but it's still pretty slow without kvm
[7:36] <clever> kvm only works for x86 based guests
[7:36] <nerdboy> yup
[7:36] <clever> it wont work when emulating between arches
[7:37] <clever> however, the point i brought up
[7:37] <clever> a normal qemu, can only emulate a single core
[7:37] <clever> it cant do dual-core arm
[7:37] <nerdboy> this is why it would be slow...
[7:37] <clever> but, qemu-user, will run an arm userspace program, on an x86 kernel
[7:37] <clever> and each qemu-user process, becomes a real process on the host system
[7:37] <clever> free to use any core it wants
[7:38] <nerdboy> i get multiple cores on the vm box
[7:38] <nerdboy> maybe i'll fire up a pi image and see how it flies...
[7:38] <clever> the other major difference, qemu-user doesnt run the kernel in a vm
[7:38] <clever> it doesnt even run a 2nd kernel
[7:38] <clever> all filesystem drivers run natively in real x86 code
[7:39] <clever> and your free to run a native x86 editor on the same mount point as the running VM
[7:40] * jaytk (~jaytk@108-232-157-80.lightspeed.tukrga.sbcglobal.net) Quit (Remote host closed the connection)
[7:40] <nerdboy> using lvm and virtio
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[7:41] <clever> the scripts i linked above just use a chroot
[7:41] <clever> and mount everything directly on the host
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[7:48] <nerdboy> i'm using that box both ways, gentoo hosts both chroots and vms
[7:49] <nerdboy> mostly debian or gentoo
[7:50] <nerdboy> and some ubuntu
[7:50] <clever> but chroot normaly cant run something from another arch
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[7:50] <clever> oh dang, its 3am
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[7:50] <nerdboy> it's all x86 variants right now, mostly for speed
[7:51] * sinni800 (~hurpurdur@178.21.19.214) Quit (Ping timeout: 245 seconds)
[7:51] <nerdboy> the current ones are all build hosts for something...
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[8:39] <Sepultura> Hallo guys
[8:40] <Sepultura> anyone knows how much a 2D Barcodescanner Module for Raspberry Pi costs?
[8:41] * jaytk (~jaytk@108-232-157-80.lightspeed.tukrga.sbcglobal.net) has joined #raspberrypi
[8:42] <Vib3> Sepultura: 70 usd -> http://www.abra-electronics.com/products/1203-Barcode-Reader%7B47%7DScanner-Module-%252d-CCD-Camera-%252d-USB-Interface-.html
[8:43] <Sepultura> this is a 1D scanner
[8:44] <UziMonkey> use the pi camera and opencv?
[8:44] * Coffe (~mrGreen@nat.basefarm.se) has joined #raspberrypi
[8:45] <UziMonkey> or a webcam even, if you have one laying around
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[8:46] <UziMonkey> not opencv, zbar
[8:46] <Sepultura> UziMonkey: Is a webcam good to catch QR codes?
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[8:46] <UziMonkey> should be, try it
[8:46] <Ben64> any recent one should be
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[8:47] <UziMonkey> use good lighting though, webcams get really noisy if it's even a bit dark
[8:47] <UziMonkey> or all my crappy ones do :P
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[8:49] <Sepultura> any good chassis for Raspberry with integrated Keyboard?
[8:49] <UziMonkey> Sepultura, the zbar API looks really easy too
[8:49] <Sepultura> I want to build a mobile device :)
[8:50] <UziMonkey> I haven't seen many chassis type cases that weren't custom built or hacked together
[8:51] <Sepultura> metal chassis would be too heavy I think
[8:51] <Sepultura> and to build own plastic chassis?
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[8:53] <UziMonkey> you can fabricate your own, Ben Heck did a pretty in-depth video on it
[8:53] <UziMonkey> or have one printed
[8:53] <UziMonkey> (3d printed, that is)
[8:54] <UziMonkey> I just saw this, pretty interesting. http://www.theregister.co.uk/2013/11/11/review_raspberry_pi_fuze_case_and_kit/
[8:54] <UziMonkey> pi and keyboard in a solid case with headers exposed and a breadboard area
[8:54] <UziMonkey> sound like what you want is this minus the breadboard part
[8:56] * jaytk (~jaytk@108-232-157-80.lightspeed.tukrga.sbcglobal.net) Quit (Ping timeout: 260 seconds)
[8:57] <Ben64> that is super cool
[8:58] <UziMonkey> here is the video I was thinking of. http://www.youtube.com/watch?v=grG3EVPg1vI
[8:59] <UziMonkey> I was going to hook up some i2c temperature modules to my pi, but I think I'm going to go for wireless sensors
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[9:46] <Sepultura> UziMonkey: need to look for one who has a 3D Printer.
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[10:18] <ElTimo> I'm trying to get DLNA working, but minidlna can't seem to see the files I want to share.
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[11:00] <BillyZane> hi
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[11:08] <FR^2> Yeah, bitcoin mining with my raspberry pi! :D
[11:08] <shiftplusone> using those dinky usb asic miners?
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[11:08] <FR^2> shiftplusone: No, using the cpu of the raspberry pi ;)
[11:08] <FR^2> Okay, okay, I was just kidding.
[11:08] <shiftplusone> wow
[11:09] <shiftplusone> heh
[11:09] <shiftplusone> Would be making millions in no time
[11:09] <BillyZane> hi, i've got a question regarding the pins on the raspberry pi, what are they used for?
[11:09] <ln-> self defense
[11:09] <FR^2> I tried out bitcoin mining on my nVidia GTX-660 and AMD-FX-8350 (8 cores), and I need about 150 to 200 days to calculate enough hashes in order to get about 0.01 Bitcoins (currently about 4 USD) ;)
[11:09] <shiftplusone> BillyZane, they're "general purpose". If you have the know-how, you can connect anything to them.
[11:10] <shiftplusone> FR^2, I've been running the block eruptor for like a month. Made about a dollar... so.... yeah.
[11:10] <Pitel_IPEX> can I safely remove old kernel directories in /lib/modules?
[11:10] <BillyZane> shiftplusone, are they serial or analog connectors?
[11:11] <shiftplusone> BillyZane, there is one uart... you also have spi and such, but no analog.
[11:11] <shiftplusone> You can hook up an adc to those pins if you need to though
[11:11] <BillyZane> hmm
[11:11] * sarbyn (~sarbyn@93-57-41-37.ip162.fastwebnet.it) Quit (Remote host closed the connection)
[11:12] <Jck_True> BillyZane: http://elinux.org/RPi_Low-level_peripherals#General_Purpose_Input.2FOutput_.28GPIO.29
[11:13] <FR^2> shiftplusone: That ship is long sailed off ;)
[11:14] <BillyZane> thank you Jck
[11:14] <shiftplusone> FR^2, yup... seems like you need to invest thousands into equipment which will be obsolete in a few months to even have a chance.
[11:15] <Jck_True> 1) Write a bitcoin miner in JS 2) Put it on your webpage 3) ???? 4) PROFIT!
[11:15] <BillyZane> if i wanted to connect something like this to the raspberri pi...
[11:15] <BillyZane> https://www.sparkfun.com/products/9664
[11:15] <BillyZane> is it possible?
[11:16] <Jck_True> BillyZane: Well that board supports USB - So why not just hook it up there?
[11:16] <BillyZane> but it's best to use that board with a serial input
[11:16] <Jck_True> BillyZane: And yes - Almost- you just need a 3V3 to 5V level converter
[11:16] <shiftplusone> BillyZane, the pi's gpio pins use 3.3v, not 5v. So it would be possible, but you would be better off using the usb interface
[11:17] <shiftplusone> BillyZane, or find a serial board that uses 3.3v
[11:17] <BillyZane> hmm
[11:17] <BillyZane> how come it does not have 5v?
[11:17] <shiftplusone> because 3.3v is becoming more and more popular
[11:18] <Jck_True> BillyZane: The board has got 5V - But the UART on the header pins runs at 3.3V because the CPU is running at that
[11:18] <shiftplusone> and the pi itself runs on 3.3v
[11:18] <BillyZane> oh
[11:18] <BillyZane> i guess that's a good reason
[11:18] <shiftplusone> A better question might be why they didn't make it 5v tolerant
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[11:18] <Jck_True> BillyZane: http://dx.com/p/jy-mcu-5v-3v-iic-uart-level-2-way-converter-module-adapter-178301?Utm_rid=58973692&Utm_source=affiliate
[11:19] <clever> BillyZane: you might be able to run the servo thing directly on 3.3v
[11:19] <BillyZane> oh wow
[11:19] <clever> if it doesnt have 5v coming in, it cant put 5v out
[11:19] <BillyZane> guess you're right
[11:19] <Jck_True> clever: I don't think you can run a servo off 16mA :P
[11:19] <shiftplusone> clever, don't encourage bad engineering D=
[11:19] <clever> but then you have less power for the servo
[11:19] <clever> Jck_True: its a servo controller
[11:19] <clever> Jck_True: the uart pins dont power the servo
[11:20] <Jck_True> Ohh - Didn't see that part :)
[11:20] <BillyZane> i'm looking to send "bytes" over the serial line in order to control it
[11:20] <clever> BillyZane: also, do you need to connect the tx on the servo controller?
[11:20] <clever> or just rx?
[11:21] <BillyZane> sorry, i'm total noob. i was told this is best done on an arduino, but i want to explore the idea of using a pi instead
[11:21] <BillyZane> i don't know what you mean by tx or rx
[11:21] <clever> http://www.pololu.com/docs/0J40/5.b
[11:21] <BillyZane> i like that the raspberry pi is similar in price but much faster
[11:21] <clever> 'The Maestro provides logic-level (0 to 5 V) serial output on its serial transmit line, TX. ' ...
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[11:21] <clever> ok, so it has both tx and rx
[11:21] <shiftplusone> BillyZane, the pi is not good for real-time applications, so if you need fine control, an arduino is better.
[11:22] <BillyZane> oh
[11:22] <BillyZane> that's disappointing
[11:22] <shiftplusone> not really, you can do hell of a lot with a pi
[11:22] <Jck_True> Well - The board you linked supports USB - So why not just use that?
[11:22] <shiftplusone> but it works best in tandem with a microcontroller
[11:23] * jfrousval (~jfrousval@ARouen-651-1-284-180.w109-209.abo.wanadoo.fr) has joined #raspberrypi
[11:23] <clever> BillyZane: http://www.pololu.com/docs/0J40/5.e 'get position' reveals what i was wondering
[11:23] <Jck_True> Well here he has a servo controller - 20ms jitter on setting a server won't matter I believe
[11:23] <clever> the controller can return data back to the host
[11:23] <clever> so you cant cheat like i was thinking
[11:23] <shiftplusone> so you can have an atmega/attiny or whatever you want talking to the hardware and the pi doing all of the heavy lifting (and have the two communicating via whatever you want)
[11:23] <BillyZane> Jck_True, the USB interface seems to work with software that was made for a computer. i suppose you could install the necessary software for using the board on the pi itself
[11:23] <shiftplusone> but yeah, for a servo, jitter is probably not going to be any issue at all
[11:24] <clever> shiftplusone: its an external servo controller
[11:24] <clever> no jitter worries
[11:24] <shiftplusone> derp
[11:24] <BillyZane> Jck_True, since i was thinking in terms of arduino, i thought using the serial link would be easier
[11:24] <AlanBell> BillyZane: what are the servos going to be doing?
[11:24] <clever> shiftplusone: actualy, its a bloody pic! :P
[11:24] <clever> exactly what your saying to do :P
[11:24] <clever> i just opened the image, its a pic16f
[11:24] <BillyZane> AlanBell, not sure exactly. i wanted to be able to implement some sort of dynamical control
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[11:25] <BillyZane> AlanBell, perhaps a platform that stabilizes itself
[11:25] <shiftplusone> clever, I was talking in general terms (when an arduino might be better), but yeah, I missed the part where it absolutely does not apply to the situation. >_<
[11:25] <clever> BillyZane: i can think of 3 answers
[11:25] <clever> 1: just run the servo controller on 3.3v, done
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[11:25] <clever> 2: use a level shifter on the serial line
[11:25] <BillyZane> but what i really wanted to do was use the servos to shift weight on an object that's inherently unstable, and thus balances itself
[11:25] <zaccanasta> hi guys, is it possible to cross-compile a qt app for raspberry pi?
[11:26] <shiftplusone> yessir
[11:26] <zaccanasta> I'm on fedora 19
[11:26] <clever> 3: connect the rpi tx to the servo rx, dont connect the data in the other direction, run the servo on 5v
[11:26] <clever> 4: just use usb!
[11:26] <shiftplusone> zaccanasta, it's possible to cross-compile anything if you know how.
[11:26] <BillyZane> clever, i'll analyze each of your points
[11:26] <zaccanasta> yeah i'm here to learn how to do it on f19
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[11:26] <AlanBell> I would go with just use USB, then you can plug it into a regular laptop or whatever, test/debug there and then put it on the pi
[11:26] <clever> BillyZane: 4 is the simplest, 3 you loose all reply data but its also simple
[11:27] <BillyZane> clever, i don't think i'll need reply data
[11:27] <shiftplusone> zaccanasta, unfortunately I don't know the best way for qt. I'll take a look.
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[11:27] <BillyZane> clever, yes but i want to also learn how to use those serial pins
[11:27] <BillyZane> clever, it's new an exciting for me to be able to do it that way
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[11:27] <BillyZane> especially since i'm so unfamiliar with hardware
[11:28] <AlanBell> start by lighting up some LEDs :)
[11:28] <clever> BillyZane: just write some bytes to /dev/ttyAMA0
[11:28] <clever> its that simple
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[11:28] <clever> the hard part, is getting the pi to not write things to it durring bootup
[11:28] <Jck_True> And be slightly carefull what you do on the pins - They aren't protected
[11:28] <BillyZane> hmm ok
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[11:29] <Jck_True> Worst case you fry the CPU
[11:29] <BillyZane> clever, i'm guessing i'll have rasbarian installed and there's be a /dev/ttyAMA0 folder
[11:29] <clever> nearly all of the pins go directly into the gpu
[11:29] <clever> BillyZane: its a character device (looks like a file)
[11:29] <BillyZane> hmmm
[11:30] <BillyZane> how exactly do i write to it?
[11:30] <BillyZane> like using a text editor?
[11:30] <clever> just open it in your favorite programming language using the same stuff you use to open files
[11:30] <clever> a text editor wont work since the servo controller expects binary commands
[11:31] <BillyZane> hmm
[11:31] <BillyZane> so i would output to the file... as if it was a text file
[11:31] <clever> yeah
[11:31] <Jck_True> Correct
[11:31] <BillyZane> and then it would send the bytes as i write to it
[11:31] <Jck_True> Correct
[11:31] <BillyZane> sounds cool
[11:31] <BillyZane> is there any other things in /dev/
[11:32] <shiftplusone> zaccanasta, it looks like it's fairly standard. Get a cross-compiling toolchain (there's one on github from raspberrypi) then set the relevant environment variables if you're compiling from terminal or configure qt creator to use the right paths and compiler if you're using that.
[11:32] <clever> BillyZane: 150 other things
[11:32] <BillyZane> wow
[11:32] <BillyZane> and i can control all sorts of stuff in there?
[11:32] <Firehopper> there are lots of things in dev..
[11:32] <Firehopper> Possibly
[11:32] <BillyZane> and i can write in any language i want?
[11:32] <clever> anything you can compile on the pi
[11:32] <Firehopper> there are some files theres you dont want to mess with..
[11:33] <Firehopper> including your sd card..
[11:33] <clever> like mmcblk0, and mem
[11:33] * datagutt (~datagutt@unaffiliated/datagutt) Quit (Ping timeout: 246 seconds)
[11:33] <Firehopper> and that can mess things up..
[11:33] <Jck_True> /dev/ stands for device - So most devices connected to your pi is represented there
[11:33] <BillyZane> ohh
[11:33] <Jck_True> How ever - Most of them are binary - So you need to look at the linux headers to decode the data
[11:33] <clever> each device has its own interface
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[11:34] <clever> most can be directly read, but the data they return differs widely
[11:34] <clever> ttyAMA0 just directly maps to the serial port, so the data depends on what you connect to that
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[11:34] <BillyZane> hmm
[11:34] <clever> mmcblk0 maps to the sd card, so that would be the raw disk format
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[11:35] <Firehopper> you can do this, cat /dev/procinfo
[11:35] <clever> fb0 maps to your floppy drive, why does it even exist? lol
[11:35] <Jck_True> /dev/input is raw commands from mouse/keyboard/joysticks etc
[11:35] <Firehopper> and it will give you info :)
[11:35] <clever> Firehopper: yep, some of them are plain text
[11:35] <Jck_True> clever: framebuffer0
[11:35] <clever> Jck_True: ooo yeah, doh!
[11:35] <clever> i was thinking fd, not fb
[11:35] <clever> its 6am, ive been up all night :P
[11:36] <BillyZane> there's a /dev/ in ubuntu as well
[11:36] <clever> theres a /dev/ in every linux system
[11:36] <Habbie> welllll
[11:36] <Habbie> almost ;)
[11:36] <clever> and others, mac and unix have it as well
[11:37] <clever> Habbie: many programs have /dev/null hard coded into them, and things go very bad if it cant be found
[11:37] <Habbie> yes
[11:37] <Firehopper> there is a /dev on my osciliscope, since its running linux too
[11:37] * Datalink (~Datalink@unaffiliated/datalink) Quit (Ping timeout: 264 seconds)
[11:37] <clever> and there is /dev/ on every android phone
[11:37] <Firehopper> yup
[11:37] <Firehopper> since android is basicly java over linux
[11:37] <BillyZane> wow
[11:37] <Jck_True> cat /dev/random
[11:38] <clever> Jck_True: and now your terminal is buggered! :D
[11:38] <BillyZane> linux feels a bit less of a mystery right now
[11:38] <clever> BillyZane: nearly everything in linux is a file!
[11:38] <BillyZane> and the files seem to be organized rationally
[11:38] <Firehopper> www.udoo.org < my new favorite linux thingy these days :)
[11:39] <BillyZane> oh yeah, i visited there the other day
[11:39] <BillyZane> the quad core board looks really sweet
[11:39] <clever> BillyZane: http://ext.earthtools.ca/download/ldd3_pdf/ these pdf's explain all the gory details
[11:39] <clever> of the linux kernel itself
[11:39] <BillyZane> oh this is really cool
[11:40] <clever> ive read all 18 chapters and helped finish the lirc_rpi driver in the rpi
[11:40] <BillyZane> clever, oh... thanks, i'll bookmark that site
[11:40] <shiftplusone> clever, thanks... I may give it a skim as well.
[11:40] <Jck_True> Firehopper: I'm considering a CubieTruck - Wanna run marine navigation charts - And the Pi just don't have enough horsepower to run it
[11:40] <clever> helps to start with the TOC pdf file
[11:41] <clever> tells you what each chapter is for
[11:41] <BillyZane> this UDOO board... it looks like a raspberry pi meets an arduino with a faster CPU
[11:41] <shiftplusone> I've heard that's what TOCs are for, clever >.>
[11:41] <Firehopper> bily yup
[11:41] <Firehopper> dual or quad core rpi :) with more ram and faster cpu
[11:42] <clever> Firehopper: at a glance, i think its an android with an avr stuck on the side, with the option to also boot normal linux?
[11:42] <clever> and both cores fully programmable?
[11:42] <Firehopper> the arduino is a arduino due,
[11:43] <clever> its not really an arduino if its on the same board
[11:43] <Firehopper> and yes you can program both sides. the imx runs either linux or android..
[11:43] <clever> its just an avr and the arduino header footprint
[11:43] <Firehopper> not a avr, uses the same cpu as the due, a sam3
[11:44] <clever> oh, not the avr branch of arduino?
[11:44] <Firehopper> nope
[11:44] <clever> ah
[11:44] <Firehopper> same cpu as the due..
[11:44] <Firehopper> and it can be programmed from linux on the imx, its connected directly to the imx.
[11:44] <clever> yeah, thats the sane thing to do
[11:45] <clever> you can put an AVR on the rpi gpio and program it from the rpi as well
[11:45] <Firehopper> it can also be programmed from a pc connected to the one header..
[11:45] <clever> just isnt mounted on the same board
[11:45] <Firehopper> the udoo has more grunt in the trunk though :)
[11:45] <clever> yeah
[11:45] <Firehopper> and better graphics hardware :)
[11:45] <clever> and a working android port if you want it
[11:45] <Firehopper> yup
[11:46] <clever> i find that the android UI is much simpler to throw together
[11:46] <clever> so if i wanted a decent ui, thats what i would pick
[11:46] <Firehopper> they are slowly getting other versions of linux running :)
[11:46] <clever> but i would also want a touchscreen then
[11:46] <Firehopper> they sell touchscreens now too :)
[11:46] <Firehopper> and a camera :)
[11:46] <clever> ah
[11:46] <clever> so you could make a fat tablet with direct control of your custo hardware
[11:46] <Firehopper> 35 for the camera, 125 for the 7 inch touchscreen
[11:47] * zaccanasta (~zaccanast@host32-85-dynamic.18-79-r.retail.telecomitalia.it) Quit (Read error: Operation timed out)
[11:47] <Firehopper> 245 for a 15.1 inch touchscreen
[11:47] <clever> super-expensive thermostat!
[11:47] <clever> but i would just use a el-cheapo tablet, and then have a bare rpi as the central controller
[11:47] <Firehopper> I'm just gonna reuse the lcd on my rpi :)
[11:47] <clever> headless rpi, cheap tablets glued to walls
[11:48] <Firehopper> http://www.flickr.com/photos/firehopper/8571797873/ < my rpi :)
[11:48] <clever> nice
[11:48] <Sonny_Jim> My Pi -> http://www.youtube.com/watch?v=da7j4CaIf8g
[11:48] <Sonny_Jim> Clamped to the table with a G-Clamp
[11:48] <BillyZane> thanks for all your guys' help. i feel i've learned a lot by coming here. i hope to get a board and experiment soon
[11:48] <clever> Firehopper: hdmi to lcd adapter?
[11:49] <Firehopper> yup
[11:49] <clever> ive got a couple laptop panels that use LVDS
[11:49] <clever> ive looked at the protocl in detail, almost need an fpga to drive it
[11:49] <clever> or a proper adapter
[11:49] * mase76 (~mase@p5DD3BC90.dip0.t-ipconnect.de) Quit (Remote host closed the connection)
[11:50] <clever> before i got my android tablet, i was researching how to make a tablet that just VNC'd into a desktop
[11:50] <clever> but now there is no point
[11:50] <clever> fpga + lcd + framebuffer ram + wireless link + battery, done
[11:50] <BillyZane> Sonny_Jim, nice! it reminds me of how much i miss the old mario games. i use to play them a lot as a child
[11:50] * Benguin[ZzZ] is now known as Benguin[College]
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[11:52] <clever> http://gallery.earthtools.ca/index.py/pi/captouch/WP_000145%20(2).jpg
[11:52] <clever> this is what i did with mine, a working touch sensitive keyboard
[11:52] <clever> i can just poke the cardboard box, and it comes up on the screen like any normal keyboard
[11:53] * mase76 (~mase@p5DD3BC90.dip0.t-ipconnect.de) has joined #raspberrypi
[11:53] <Sonny_Jim> BillyZane: The Pi is playing Mario from a recording of inputs
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[11:53] <Sonny_Jim> On a real SNES, ie no emulation, the Pi is plugged into the SNES controller port
[11:53] * johanbr (~johanbr@vps.nullinfinity.org) Quit (Ping timeout: 244 seconds)
[11:53] <clever> Sonny_Jim: how do you manage the sync?
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[11:54] <clever> any lag in the pi and you start jumping too late for the entire level
[11:54] <clever> id be tempted to use the clock from the controller port to control the level playback
[11:55] <Sonny_Jim> Exactly
[11:55] <Sonny_Jim> There's clock, latch and data
[11:55] <clever> yeah
[11:55] <Sonny_Jim> https://github.com/SonnyJim/snesbot
[11:55] <Sonny_Jim> Mini write up about it there with a schematic, probably easier to just look at that rather than me explain it again
[11:56] <clever> ah, all random comes from which latch you hit the button on
[11:57] <clever> very similar to linux random
[11:57] * user82 (~user82@unaffiliated/user82) Quit (Ping timeout: 272 seconds)
[11:57] <clever> Sonny_Jim: you know how /dev/random works?
[11:57] <Sonny_Jim> Not the nitty gritty details but I have a grasp of what entropy is
[11:57] <clever> every time an event happens on an unpredictable device
[11:58] <clever> like the network, mouse, keyb, hdd
[11:58] <clever> it takes the current time, and uses it to scramble the entropy pool
[11:58] <Habbie> Sonny_Jim, snesbot is mighty impressive. nice work :)
[11:58] <Sonny_Jim> Yeah, like I said, I know what entropy is
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[11:58] <clever> acording to your page, the snes is doing a very dumbed down version of the same thing
[11:58] <Sonny_Jim> It doesn't have any other source
[11:58] <clever> the outcome depends on how match latches since the last x
[11:59] <Sonny_Jim> Some games use uninitilised RAM, most don't need a secure PRNG anyway
[11:59] <clever> does it cover several presses, or just the last one?
[11:59] * Vialas (~Vialas@202.90.207.14) Quit (Ping timeout: 248 seconds)
[11:59] <Habbie> clever, i'd guess it depends on the game
[11:59] <clever> yeah
[12:00] * mase76 (~mase@p5DD3BC90.dip0.t-ipconnect.de) Quit (Quit: Konversation terminated!)
[12:00] <Sonny_Jim> The hardware will work with a NES as well, the controller protocol is exactly the same minus a few bits
[12:00] <clever> the doc mentions seed and powerup, so maybe it does sample every press and maintain the entropy
[12:01] <Habbie> clever, i would not expect it to :)
[12:01] <clever> ive seen similar problems in one of my old mp3 players
[12:01] <Sonny_Jim> Well, if you are hitting the same latch every time, it doesn't matter how many times it's reseeded as it'll always be reseeded the same
[12:01] <clever> the mp3 player stored the seed for music shuffle on the flash memory
[12:01] <clever> at proper shutdown
[12:01] <Sonny_Jim> Even SuperGB Tetris works
[12:01] <clever> if the battery comes loose, and you restart it, it plays the exact same random songs
[12:01] <clever> Sonny_Jim: yep, bypass the entire problem by replaying every single press
[12:02] <Habbie> https://kb.speeddemosarchive.com/Random_Number_Generators
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[12:15] <baseline> I have an external hdd formatted to ext4 for additional storage. I'd like to move my root to a new partition. Will there be any issues if my root fs is the second partition on the drive instead of the first? I've got a lot of data on the drive that I can't really be bothered to juggle about to repartition completely.
[12:15] <Tachyon`> why is it audacious and so on refuse to produce audio on the pi?
[12:16] <Habbie> baseline, (1) it should not matter (2) you can theoretically juggle the partition numbers without moving the data
[12:16] <Tachyon`> it's setup for ALSA, is that not what it uses?
[12:16] * Cheekio (~Cheekio@2604:9a00:2010:a01e:3::) Quit (Ping timeout: 240 seconds)
[12:16] <baseline> Habbie: I didn't know that :) Any tips on where to find out more?
[12:16] <Tachyon`> (have both outputs connected so it's not that)
[12:16] * deadalus (~deadalus@unaffiliated/deadalus) Quit (Ping timeout: 245 seconds)
[12:16] <Habbie> baseline, on 1 or on 2?
[12:16] <baseline> 2
[12:16] <Habbie> baseline, there are old raspi SD resizing HOWTOs that involve deleting+creating the partition -while running-
[12:16] * m8 (~m@unaffiliated/m8) has joined #raspberrypi
[12:17] <Habbie> baseline, the same trick would work for you, just swap them
[12:17] <Habbie> baseline, but be careful
[12:17] <baseline> Do you mean figurately rename the partition numbers, or literally move sda2 before sda1 on the disk?
[12:17] * ElTimo (~Tim_Rober@unaffiliated/eltimo) Quit (Quit: Leaving.)
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[12:17] <Habbie> baseline, i mean delete 1, delete 2, create 1 with offsets from 2, create 2 with offsets from 1, done
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[12:17] <baseline> and that will preserve data?
[12:17] <Habbie> yes
[12:18] <Habbie> if you make no mistakes.
[12:18] <baseline> that's a big 'if'
[12:18] <baseline> hehe
[12:18] <Habbie> sure
[12:18] <Habbie> it's on you. make bacups :)
[12:18] <Habbie> *backups
[12:18] <baseline> it's just a media storage drive. There's nothing important on there.
[12:19] * tanuva (~tanuva@dslb-178-007-144-253.pools.arcor-ip.net) has joined #raspberrypi
[12:20] <baseline> Would there be any benefit to resizing /boot to 2GB?
[12:20] <Habbie> not a lot
[12:20] <Triffid_Hunter> baseline: the start sector must be correct. the end sector must be beyond the end of the current filesystem. the type must be correct
[12:20] <Triffid_Hunter> baseline: assuming you get all that right, you can do basically whatever you like
[12:21] <Habbie> indeed
[12:21] * ElTimo (~Tim_Rober@unaffiliated/eltimo) Quit (Ping timeout: 272 seconds)
[12:22] <baseline> Cool. I'm a bit wary of doing these things manually, I usually use gparted for this stuff. I'll check it out in a bit!
[12:22] <Habbie> but
[12:22] <Habbie> as i said
[12:22] <Habbie> it shouldn't matter for mounting
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[12:25] <baseline> oh cool. you can drag a partition to the start of the drive with gparted and renumber
[12:25] <baseline> sorted
[12:29] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) Quit (Read error: Connection reset by peer)
[12:29] <clever> baseline: the decent partition tools let you resize, so you dont have to do the risky delete&remake dance
[12:30] <clever> though renumbering usualy isnt included
[12:30] <baseline> I think I'll be ok to renumber with fdisk
[12:30] <baseline> clever: Is there something more reliable than gparted?
[12:30] <clever> i dont see any reason why the root cant be sdba2
[12:30] <clever> just pass the correct number as root= in cmdline.txt
[12:31] <baseline> just for the sake of ocd, I may as well do it properly :)
[12:31] <clever> /dev/sdd3 52G 40G 9.9G 80% /
[12:31] <clever> Filesystem Size Used Avail Use% Mounted on
[12:31] <baseline> at the moment the external hdd is on /mnt/xbmc, I'd like the root to be sda1 and /home on sda2
[12:31] <clever> yeah, thats the 4th drive in the machine :P
[12:32] <clever> 4th drive 3rd partition is root
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[12:32] <baseline> clever: you have 4 drives hooked up to a pi?
[12:32] <clever> thats an old desktop oc
[12:32] <baseline> ah
[12:32] <clever> the pi is just running right off the sd card
[12:33] <baseline> While I'm here, I have a related question actually
[12:33] <baseline> I've had some data corruption on the sd card before with overclocking enabled
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[12:34] <baseline> Would I be less susceptible to that with just /boot on there?
[12:34] <clever> yeah
[12:35] <shiftplusone> baseline, the new firmware has an sd corruption fix which may be worth trying as well
[12:35] <baseline> oh cool
[12:35] <baseline> didn't know that either! glad I joined this channel
[12:35] <clever> shiftplusone: how recent, what changed?
[12:36] <baseline> init_emmc_clock=250000000
[12:36] <baseline> emmc_pll_core=1
[12:36] <baseline> ?
[12:36] <shiftplusone> clever, about a week or so, maybe a bit less. They're running mmc off the same clock as the gpu, which helps with timing issues I think.
[12:36] <clever> ah
[12:36] <shiftplusone> baseline, yeah, that sounds right. I haven't looked into the details.
[12:36] <clever> i just shut mine off, so not sure what my cmdline is
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[12:37] <baseline> I'm happy with the basic settings tbh
[12:38] <baseline> these things crunch through 1080p
[12:38] <baseline> I've got sickbeard, transmission, xbmc, afp file sharing, avahi and upnp all running without any real slowdowns
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[12:41] <clever> avahi takes almost no cpu
[12:41] <clever> same for upnp
[12:41] <clever> the rest vary more
[12:42] <baseline> the thing that I find quite stunning is we can stream video to an iPad and watch a movie on xbmc at the same time
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[12:42] <baseline> the xbmc framerate drops when we start copying movies onto it at the same time
[12:42] <clever> i dont use my pi for actual storage
[12:43] <clever> Filesystem Size Used Avail Use% Mounted on
[12:43] <clever> rob1:/media/videos/4tb 3.7T 1.5T 2.3T 39% /media/videos/4tb
[12:43] <clever> a desktop with a 4tb disk handles that
[12:43] <baseline> the only thing stopping me from doing that is the electricity bill
[12:43] <baseline> isn't the pi supposed to cost a few pounds a year to run?
[12:44] <clever> Filesystem Size Used Avail Use% Mounted on
[12:44] <clever> /dev/sdb1 149G 132G 18G 89% /160g
[12:44] <clever> sakura:/media/videos/15tb 1.4T 1.2T 200G 86% /media/videos/15tb
[12:44] <clever> rob1:/media/videos/1tb 932G 752G 180G 81% /media/videos/1tb
[12:44] <clever> thep4.localnet:/media/mainlv 517G 178G 340G 35% /media/mainlv
[12:44] <clever> no way i could put that many drives on a pi
[12:44] <Sonny_Jim> Sure you could
[12:45] <clever> wouldnt perform as well
[12:45] <baseline> the usb is the worst bottleneck on the pi
[12:45] <clever> yeah
[12:45] <Sonny_Jim> Well, no
[12:45] <clever> and the ethernet shares that
[12:45] <Sonny_Jim> But it's possible
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[12:45] <baseline> yeah
[12:45] * tanuva (~tanuva@dslb-188-104-220-089.pools.arcor-ip.net) Quit (Ping timeout: 272 seconds)
[12:45] <baseline> I have to throttle my downloads right down so that I can still read from usb
[12:45] <clever> i can download at 6mbyte/sec without any issue
[12:46] <baseline> I bet you can't do much via ssh at the same time though
[12:46] <clever> no trouble at all, because its 2 desktops
[12:46] <clever> the pi just handles playback
[12:47] <baseline> I see what you mean
[12:47] * lazycoder|Away is now known as lazycoder
[12:49] <clever> Filesystem Size Used Avail Use% Mounted on
[12:49] <clever> /dev/sda1 73G 25G 48G 35% /
[12:49] <clever> this drive also hosts 2 root filesystems, one is at /roots/rob1/ and the other at /
[12:49] <clever> so without this drive, 2 computers are unable to boot, not something id leave up to the pi
[12:50] <baseline> You have a machine accessing it's root over a network?
[12:51] <clever> yep
[12:51] <baseline> How did you rig that up? nfs?
[12:51] <clever> yep
[12:51] <clever> c2d ~ # grep root /tftproot/PXEClient/pxelinux.cfg/rob1 APPEND root=/dev/nfs ip=dhcp nfsroot=192.168.2.61:/roots/rob1/
[12:51] * clever kicks irssi
[12:51] <clever> c2d ~ # grep root /tftproot/PXEClient/pxelinux.cfg/rob1
[12:51] <clever> APPEND root=/dev/nfs ip=dhcp nfsroot=192.168.2.61:/roots/rob1/
[12:52] <clever> this tells the kernel to get an ip via dhcp, then mount that path as root
[12:52] <clever> the pi should be able to do the exact same thing
[12:52] <baseline> interesting
[12:52] <clever> just enable the right kernel options
[12:53] <baseline> I think that's probably a project for another day
[12:54] <clever> the pi wouldnt use pxelinux, since that requires an x86 pc with the old bios
[12:54] <baseline> tbh if I was to get another machine with low power consumption to serve the media centre I'd probably just use it _as_ the media centre
[12:55] <clever> if i wanted to reduce power usage, i would use wake on lan
[12:55] <clever> the pi would remotely trigger the storage box to boot up
[12:55] <baseline> not possible in my house unfortunately
[12:55] <clever> why not?
[12:56] <baseline> we embrace the cable-free nature of wifi
[12:56] <clever> just put the storage box in the same room as the wifi
[12:56] <clever> stick the router ontop of it
[12:56] <baseline> ha
[12:56] <baseline> you're full of ideas
[12:56] <clever> then you have no excuse to avoid wires
[12:56] <baseline> I like you
[12:56] <clever> the rpi can still wake it over wifi
[12:57] <baseline> right, I'm digging out the girlfriend's old vaio
[12:57] <baseline> there goes my weekend
[12:57] <clever> wake on lan is very simple
[12:57] <baseline> better wash and shave now because the next few days are going to be messy.
[12:57] <clever> the card will look inside EVERY packet it receives, for a magic string (its mac and some special codes)
[12:57] <clever> you could send the packet directly for its mac, but a switch wont know which port thats on if its off
[12:57] <clever> complex reasons
[12:58] <clever> so the usual solution is to send it to the broadcast mac, via the broadcast ip
[12:58] <clever> 192.168.1.255
[12:59] <baseline> What distros do you use, clever?
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[13:00] <clever> ubuntu and gentoo mainly
[13:00] <clever> mostly gentoo
[13:00] <baseline> hardcore.
[13:00] <baseline> the arch wiki makes wake on lan seem fairly simple.
[13:00] * Armand (~martin@185.24.99.51) has joined #raspberrypi
[13:01] <clever> when it works, its dead-simple
[13:01] <clever> just 'emerge irssi' and you get irssi
[13:01] <clever> same as apt-get install irssi
[13:01] <Sonny_Jim> emerge, *shudder*
[13:01] <clever> when it doesnt work, you learn how it should have worked in the first place
[13:01] <Sonny_Jim> Reminds me of Gentoo
[13:01] * zyngawow (~zyngawow@77.231.246.224) has joined #raspberrypi
[13:01] <clever> and fix it :P
[13:01] * nid0 (nidO@dsl-fixed-94-30-53-17.interdsl.co.uk) Quit (Ping timeout: 260 seconds)
[13:01] <zyngawow> Does anyone know of a case for the RPi + HDD?
[13:01] * Cheekio (~Cheekio@2604:9a00:2010:a01e:3::) has joined #raspberrypi
[13:02] <clever> binary distros like ubuntu just break less often, and dont allow as complex of a repair
[13:02] <baseline> zyngawow: duct tape
[13:02] <baseline> or velcro spots
[13:02] <clever> baseline: http://spritesmods.com/?art=hddhack
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[13:05] * ChanServ sets mode +o ReggieUK
[13:05] * lazycoder is now known as lazycoder|Away
[13:05] <baseline> uh.. ok
[13:05] * lazycoder|Away is now known as lazycoder
[13:06] <clever> a crazy story of modding the firmware in a drive
[13:06] <baseline> scary stuff
[13:06] <clever> to do insane things like implanting malware in the firmware
[13:06] <clever> to re-infect any os, even after you format it
[13:06] <clever> or other fun stuff
[13:06] <baseline> I'm not sure if that's fun
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[13:08] <clever> i should probly get to bed
[13:08] <clever> its getting so late, its early!
[13:08] <clever> 8am...
[13:09] * clever heads to bed
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[13:23] <Tachyon`> ffs, I've been avoiding using the 3.5mm output for what, a year, because everyone said it was crackly and substandard, I try it today to connect it to the music system , there's not a damn thing wrong with it...
[13:24] <clever> i think it only happens with high load, and with the older drivers
[13:24] <Tachyon`> ahh
[13:24] <Tachyon`> well I'm happy I no longer have to hear things through the TV speakers anyway
[13:24] <shiftplusone> Tachyon`, it certainly used to be the case until the foundation invested money into better software.
[13:24] <Habbie> Tachyon`, my 3.5mm output is terrible
[13:25] <Tachyon`> ah right, I see, nice of them, lol
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[13:25] <Tachyon`> there's nothing wrong with it on here, not a pop, not a crackle (although it did take me a while to realise I had to issue an amixer cset numid=3 1 before it'd work)
[13:27] * Macuser (~textual@unaffiliated/macuser) Quit (Client Quit)
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[13:33] * cccy_RegeaneWolf is now known as cccyRegeaneWolfe
[13:33] <clever> Tachyon`: my tv can take audio in over hdmi, then output it over some analog RCA jacks on the back
[13:33] <clever> it can also take analog audio in, and output it over SPDIF via rca
[13:33] <clever> but that forces me to set the right input on the tv, so i cant watch tv while the pi does music
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[13:37] <Tachyon`> yes, mine can't do that
[13:37] <Tachyon`> it's an LG
[13:37] <clever> mines a sony
[13:37] * thelorax123 (~nodebot@165.225.138.217) Quit (Remote host closed the connection)
[13:37] <Tachyon`> despite the optical out there is zero audio output on the optical or the SCART 2 unless I'm watching freeview
[13:37] <clever> and the firmware is as dumb as a rock
[13:37] <Tachyon`> I do not know why they designed it that way but they did
[13:37] <Tachyon`> I've even been into the engineering menu ubt it apepars to be a hardware limitation
[13:37] <clever> mine can do theater sync
[13:37] <clever> which is just a fancy way of saying, it controls the sound system volume over cec
[13:38] <clever> the tv remote controls the sound of the sound system, over the hdmi cable
[13:38] <clever> and if you turn the tv off, the sound system shuts off
[13:38] <Tachyon`> ah, I can control my pi in XBMC with HDMI-CEC
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[13:38] <clever> but, if you put the tv on the pc input (vga)
[13:38] <clever> it refuses to do theater sync
[13:38] <clever> just says its not supported
[13:38] <Tachyon`> VGA can send onlyvideo
[13:38] <Habbie> rightfully so
[13:38] <Tachyon`> well, and some basic information bout display cpability
[13:38] <clever> but i'm feeding audio into the tv thru the jack right beside the vga connector
[13:39] <Tachyon`> it has no provision for control or audio
[13:39] <clever> and the audio is routed to the sound system
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[13:39] <Habbie> oh, then not rightfully so
[13:39] <clever> its perfectly capable of adjusting the sound system volume for me
[13:39] <clever> but it refueses
[13:39] <Tachyon`> ah,hrm
[13:39] <clever> also, if you put the sound system on an hdmi switch
[13:39] <clever> nightmares!
[13:40] <clever> push theater sync, and the sound system comes on to do its job
[13:40] <clever> then the hdmi switch changes inputs on its own, away from the cable box
[13:40] <clever> then the sound system notices its the active input,and switches to dvd mode
[13:40] <clever> and if you try to fix it, all the devices start switching modes
[13:40] <Tachyon`> lol
[13:41] <clever> the only solution is to rapidly hit the mode buttons on all 3 devices at once
[13:41] <clever> fixing each problem faster then it can screw up
[13:41] <clever> until it stops messing with you
[13:41] * lazycoder is now known as lazycoder|Away
[13:42] <clever> so far, my only solution has been to put the sound system on its own hdmi input
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[13:56] <Triffid_Hunter> Tachyon`: my pi gave speaker-bursting pops at the start and end of each track
[13:56] <Tachyon`> well, I'm using moc which doesn't seem to have gaps between tracks at all, so no pops
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[14:12] <ReggieUK> shouldn't be any pops at all between
[14:12] <ReggieUK> tracks
[14:12] * Cheekio (~Cheekio@2604:9a00:2010:a01e:3::) has joined #raspberrypi
[14:13] <ReggieUK> it's been poorly engineered if there are
[14:13] <ReggieUK> or rubbish software
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[14:18] <shiftplusone> iirc it was an issue initializing alsa, which would initialize the pwm and then magic happened and you got popping (I actually have no idea, but I think that was the theory a while back)
[14:18] * hht (~chatzilla@unaffiliated/hg-5/x-8664886) Quit (Ping timeout: 272 seconds)
[14:19] <ReggieUK> I thought they'd sorted that out
[14:19] <shiftplusone> so do I
[14:19] <shiftplusone> and that's what people who have tried the audio jack recently have been saying too
[14:20] <ReggieUK> so it's still popping or fixed?
[14:20] <ReggieUK> if they bust out the i2s pins, we could have a little audio codec board
[14:20] * hht (~chatzilla@unaffiliated/hg-5/x-8664886) has joined #raspberrypi
[14:20] <ReggieUK> wm8960 or wm9714 or something stupid like that
[14:20] <shiftplusone> haven't tried it myself, but from what I am seeing on the channel, it's fixed.
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[15:08] <baseline> I have some seriously odd behaviour with an external hdd I've had connected to my pi
[15:08] <baseline> When I set this up it had a 500GB ext4 partition, which fdisk is reporting as correct
[15:09] <baseline> but gparted shows a 31.5KB ext4 partition, 3 28KB unknown partitions, 3 256KB unknown partitions, 1 123MB unallocated partition and a 465.64GB unknown partition.
[15:09] <baseline> heeeeelp!
[15:10] <murlock> what are kernel logs in dmesg when you plug your HDD ?
[15:10] <baseline> I'll take a look
[15:11] * sco` (~ross@unaffiliated/sco/x-3425046) Quit (Quit: Leaving.)
[15:11] <baseline> murlock: Where am I looking for this on ubuntu 13.10? I'm not used to it. dmesg?
[15:12] <baseline> or kern.log?
[15:12] <murlock> yes, run dmesg
[15:12] <murlock> or /var/log/dmesg
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[15:13] <baseline> attached scsi(?) disk, sdd1 mounted filesystem
[15:13] <baseline> it seems to just mount sdd1
[15:13] <baseline> as expected
[15:13] <murlock> you should have something like that :
[15:13] <murlock> [ 1.486389] sd 0:0:0:0: [sda] 500118192 512-byte logical blocks: (256 GB/238 GiB)
[15:13] <murlock> [ 1.486400] sd 0:0:0:0: Attached scsi generic sg0 type 0
[15:13] <murlock> ...
[15:13] <murlock> [ 1.490242] sda: sda1 sda2 sda3 sda4 < sda5 >
[15:14] <baseline> pretty much the same as yours but with 1 partition listed.
[15:15] <murlock> ok, can you test fdisk and sfdisk ? maybe it's gparted bug
[15:15] <baseline> I believe this has a guid partition table
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[15:17] <baseline> My first thought was also gparted bug but I've checked it on arch and ubuntu
[15:17] <baseline> I might download the same version of ubuntu which I used to format
[15:18] <IT_Sean> !quote rules
[15:18] <sourcebot> Please be sure familiarize yourself with the channel conduct policy. http://tiny.cc/h7za1w
[15:18] <IT_Sean> I was just testing that.
[15:18] <baseline> hmm.. it's apple partition map.
[15:18] <baseline> retro.
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[15:42] <pepijndevos> i attached a vga display to my raspi using an adapter, but nothing happens.
[15:43] <pepijndevos> do i need to do anything special?
[15:43] <Triffid_Hunter> pepijndevos: rpi doesn't have vga output
[15:43] <pksato> taht kind of adapter?
[15:44] <Triffid_Hunter> pepijndevos: you need something with digital input, so hdmi->DVI-D works but not vga
[15:44] <pepijndevos> wat? why not? I have a dvi -> vga adapter.
[15:44] <clever> pepijndevos: that only withs on DVI-A, digital+analog in the same connector
[15:44] <pksato> pepijndevos: you need a active hdmi to vga conveter.
[15:44] <Triffid_Hunter> pepijndevos: the adapter asks the hdmi source to output analog vga. the rpi cannot make analog vga
[15:45] <pepijndevos> ok, so it's just a hardware limitation
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[15:47] <murlock> is it possible to send raw packet tcp/udp on network with rpi ? ( is network card support it ? )
[15:48] <pksato> pepijndevos: need one of these http://www.ebay.com/itm/1080P-Mini-HDMI-Male-to-VGA-Female-Video-Converter-Adapter-HD-Cable-Audio-Output-/350874637025?pt=US_Video_Cables_Adapters&hash=item51b1c212e1
[15:48] <Triffid_Hunter> murlock: yeah of course
[15:48] <Triffid_Hunter> murlock: I've never looked at how to specifically send/receive raw packets under linux, but I'm sure google knows
[15:48] <pksato> murlock: use netcat (nc)
[15:49] <pepijndevos> the jack output of my rpi has some pretty bad noise on it :(
[15:49] <Triffid_Hunter> murlock: if you want to play with raw packets I'd suggest bridging a tun/tap pair with a different ip address so you're not wrestling the kernel to manage connections
[15:50] <murlock> ok, i'll check it on google, thanks for the tips
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[15:56] <pepijndevos> some post suggested i upgrade the firmware and it should be fixed. not the case...
[15:57] <pksato> pepijndevos: jack audio have some residual noise from pwm.
[15:57] <pepijndevos> ?!
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[15:57] <pepijndevos> pksato, you mean it'll sound this bad allways, not matter what I do??
[15:58] <pksato> on software, yes.
[15:58] <pepijndevos> on software?
[15:58] <pksato> its is not hi-fi output.
[15:58] <shiftplusone> strange
[15:58] <shiftplusone> really conflicting reports
[15:59] <shiftplusone> a few people have said recently the jack audio is perfect
[15:59] <pksato> new firmware hve better noise reduction and improvements.
[15:59] <pksato> age of reporters? :)
[16:00] * linuxstb (~linuxstb@unaffiliated/linuxstb) has joined #raspberrypi
[16:00] <shiftplusone> didn't inquire
[16:00] * xCP23x (~xCP23x@78-86-53-38.zone2.bethere.co.uk) Quit (Ping timeout: 264 seconds)
[16:00] * jazper- (~kcd@pdpc/supporter/active/jazper) has joined #raspberrypi
[16:02] <pksato> teens can hear high frequencies. That adults can not.
[16:04] <pksato> pwm have high frequency hiss. not proper filtered by simple RC filter that have on jack audio circuity.
[16:05] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) Quit (Read error: Connection reset by peer)
[16:06] * hht (~chatzilla@unaffiliated/hg-5/x-8664886) has joined #raspberrypi
[16:08] <shiftplusone> hm, that might be it, I suppose.
[16:08] * thelorax123 (~nodebot@165.225.138.217) Quit (Remote host closed the connection)
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[16:09] * lazycoder|Away (virtual@host-2-60-248-134.pppoe.omsknet.ru) Quit (Quit: Reloading the Matrix...)
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[16:11] * linuxstb (~linuxstb@unaffiliated/linuxstb) Quit (Disconnected by services)
[16:11] * linuxstb_ is now known as linuxstb
[16:12] * nx5_off (~nap@unaffiliated/nx5off/x-000000001) Quit (Write error: Broken pipe)
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[16:13] * Relsak (~dragan@unaffiliated/kasler) Quit (Ping timeout: 252 seconds)
[16:14] * cccyRegeaneWolfe is now known as cccy_RegeaneWolf
[16:14] * digitalfiz (sid533@gateway/web/irccloud.com/x-tyjmgnqpdawvcrpw) Quit (Ping timeout: 254 seconds)
[16:15] * digitalfiz (sid533@gateway/web/irccloud.com/x-hgzcptijsbznbndn) has joined #raspberrypi
[16:16] * cccy_RegeaneWolf is now known as cccyRegeaneWolfe
[16:16] * sandman (~nobody@cpe-107-10-65-138.new.res.rr.com) has joined #raspberrypi
[16:16] <sandman> Can anyone tell me how to build prelink in such a way that it actually works?
[16:17] * sco` (~ross@unaffiliated/sco/x-3425046) has joined #raspberrypi
[16:17] * mythos (~mythos@unaffiliated/mythos) has joined #raspberrypi
[16:17] <sandman> I tried downloading the latest tarball, the 2013, ./configure && make && checkinstall, but it still gives the same error about dual-libs. I read something about a patch being sent upstream about this from 2011 or 2012. The latest tarball is from 2013 so I sorta hoped it would have been included, but apparently not.
[16:17] <sandman> A hand would be much appreciated! Thanks =)
[16:19] * andrew91_ (~andrew918@206.223.179.158) has joined #raspberrypi
[16:20] * Relsak (~dragan@unaffiliated/kasler) has joined #raspberrypi
[16:20] * jlf_ (~user@pdpc/supporter/active/jlf) Quit (Ping timeout: 260 seconds)
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[16:22] * heathkid (~heathkid@unaffiliated/heathkid) Quit (Disconnected by services)
[16:22] <baseline> I have no idea what's wrong here. I've tried several different versions of gparted..
[16:24] <baseline> Is there anyone around who could please lend a hand? I seem to have a totally broken ext4 partition scattered into several unknown and unallocated partitions
[16:25] <baseline> yet completely mountable
[16:26] <shiftplusone> tried using something other than gpt?
[16:26] <baseline> shiftplusone: What else is there?
[16:26] <shiftplusone> (something other than GUID partition table I mean)
[16:26] <baseline> ah
[16:26] <baseline> it's Apple Partition Map :/
[16:27] <shiftplusone> ... O_o
[16:27] <baseline> It's an old drive that was originally formatted for a power mac.
[16:27] * calcifea (~rasla@gateway/tor-sasl/gitsu-sa) has joined #raspberrypi
[16:27] * Nefarious___ (~Nefarious@unaffiliated/nefarious---/x-0774223) Quit (Read error: Connection reset by peer)
[16:27] <baseline> this thing's been around the block… no pun intended
[16:27] <shiftplusone> >_<
[16:27] * thesheff17 (~thesheff1@67.106.72.62.ptr.us.xo.net) has joined #raspberrypi
[16:28] * Coffe (~mrGreen@nat.basefarm.se) Quit (Quit: Leaving.)
[16:29] * tanuva (~tanuva@HSI-KBW-046-005-002-090.hsi8.kabel-badenwuerttemberg.de) Quit (Ping timeout: 272 seconds)
[16:30] * SpeedEvil (~quassel@tor/regular/SpeedEvil) Quit (Read error: Operation timed out)
[16:30] * fugutive221 (~fugutive2@86.84.141.12) has joined #raspberrypi
[16:30] <baseline> Screw it, I'm going to have to recover the data and reformat.
[16:30] <baseline> bah.
[16:31] * kamdard (~kamdard@pool-173-71-57-182.dllstx.fios.verizon.net) has joined #raspberrypi
[16:35] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) Quit (Read error: Connection reset by peer)
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[16:39] * ztaale (~bleh@ti0098a380-dhcp1005.bb.online.no) has joined #raspberrypi
[16:40] * Nefarious___ (~Nefarious@unaffiliated/nefarious---/x-0774223) has joined #raspberrypi
[16:40] * rogerjames99 (51a86df9@gateway/web/freenode/ip.81.168.109.249) has joined #raspberrypi
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[16:41] <Nefarious___> IT_Sean: message received :P
[16:42] <rogerjames99> Anyone had any success setting up locales on archlinux. When I run locale-gen for en_GB I get an out memory error. This is on a clean install.
[16:42] * linuxstb (~linuxstb@unaffiliated/linuxstb) Quit (Ping timeout: 272 seconds)
[16:43] <shiftplusone> I've never had any problems with locale-gen.
[16:44] <rogerjames99> @shiftplusone - Do you swap set up or any different memory config options?
[16:44] <shiftplusone> nope, just stock arch.
[16:44] <rogerjames99> I meant do you _have_ swap set up sorry.
[16:44] * linuxstb (~linuxstb@unaffiliated/linuxstb) has joined #raspberrypi
[16:44] <shiftplusone> no
[16:46] <shiftplusone> If you think there's an issue with arch, you could try #archlinux-arm
[16:46] <rogerjames99> Thats confusing - just downloaded the image, ran it, logged in to root , uncommented en_GB.UTF-8 in /etc/locale.gen, and ran locale-gen, and it crashes.
[16:47] * gvo (~chatzilla@c-50-155-88-216.hsd1.ga.comcast.net) has joined #raspberrypi
[16:47] <rogerjames99> OK I will shoot over there - Thanks
[16:47] <shiftplusone> good luck
[16:48] <gvo> Is there a buried audio input port on the pi?
[16:48] <shiftplusone> nope
[16:48] * gnmearacaun (~gnmearaca@79.97.252.143) has joined #raspberrypi
[16:48] <gvo> OK guess I'll have to use a cubbieboard
[16:48] <shiftplusone> have fun
[16:48] <Nefarious___> I'm wondering whether to sell my laptop for 4 raspberry pi B's. for a webserver (which may have a fair amount of hits) which would be more powerful, laptop (single core celeron 2.2ghz, 6gb ram) or 4 raspberry Pi's in parallel processing?
[16:49] <chithead> the celeron
[16:49] <shiftplusone> laptop
[16:49] <Nefarious___> by a long way?
[16:49] <chithead> yes
[16:49] <Nefarious___> it's the power consumption that drives me towards the Pi's
[16:50] <Nefarious___> I guess it is very biased, in terms of specs lol
[16:50] * gimpy2938 (~white@pool-173-75-26-26.pitbpa.fios.verizon.net) Quit (Remote host closed the connection)
[16:50] <chithead> how much does the laptop consume?
[16:50] <gvo> I'd not want to run a web server on a laptop.
[16:50] <Nefarious___> why?
[16:50] <gvo> Normally you'd want a web server to run 7x24
[16:51] <Nefarious___> ... leave it on 24/7
[16:51] <Nefarious___> I have got a PC.
[16:51] <gvo> Laptops aren't built for that.
[16:51] <wrabbit> laptops die when run 24/7
[16:51] <Armand> ^
[16:51] <shiftplusone> O_o
[16:51] <wrabbit> give it a month or so
[16:51] <wrabbit> dead
[16:51] <Nefarious___> I had mine running for weeks with a tf2 server
[16:51] * shiftplusone goes to turn off the laptop
[16:51] <chithead> I call that bs
[16:51] <Armand> My laptop runs a lot longer than that.. but I'd not use it as a webhost.
[16:51] <IT_Sean> the batteries, perhaps, in older ones... but you can run a laptop 24x7 as loong as it is properly cooled
[16:51] <Nefarious___> chitgead: which bit?
[16:51] <IT_Sean> I've done it
[16:52] <Nefarious___> chithead*
[16:52] <wrabbit> batteries in laptops are cool for home servers though, nothing like a built in UPS
[16:52] <Armand> Nefarious___: There are better solutions for clustered webhosting.
[16:52] <chithead> laptops may overheat more easily as they accumulate dust, but there is nothing inherent which makes them unsuitable for 24/7 operation
[16:52] <IT_Sean> Ran a home automation server off an old laptop for a couple of years, running 24x7x365.
[16:52] <gvo> IT_Sean: is right, it's the heat that gets them.
[16:52] <IT_Sean> The only thing that killed it was the 4ft of salt water from hurricane Sandy.
[16:52] <IT_Sean> If not for that, it would still be percolating today.
[16:52] <Nefarious___> I doubt it'll ever be at full CPU usage
[16:53] <wrabbit> some laptops need to be unfolded to cool properly under high load
[16:53] <IT_Sean> That ^
[16:53] <IT_Sean> Gotta run 'em screen open
[16:53] <IT_Sean> But, you can totally run a laptop 24x7
[16:53] <Nefarious___> I think the model is a dell inspiron n5030 for anyone that cares (with more ram)
[16:54] * IT_Sean doesn't care
[16:54] * Armand cares not either..
[16:55] <Armand> Fnaar
[16:55] <wrabbit> you can usually find a little "button" that closing the screen presses to turn the screen off and then tape something to it so the laptop thinks its closed and powers the screen down
[16:55] <wrabbit> yet still cools properly
[16:55] <Nefarious___> its 4 Pi's vs the laptop
[16:55] <IT_Sean> That is NOT recommended!
[16:55] <IT_Sean> Most laptops rely on passive cooling though the keyboard
[16:55] <IT_Sean> closing the lid and leaving them running WILL cause heat issues
[16:55] <Armand> Nefarious___: Take a look at the Arndale board.. ;)
[16:55] <wrabbit> im saying make the laptop think its closed, but leave it open
[16:56] <chithead> you can turn of the backlight via /sys/class/backlight/ in modern distros
[16:56] <wrabbit> if it thinks its closed, it cuts power to the screen
[16:56] <wrabbit> and yeah theres software ways to do it too, not sure if its as complete
[16:56] <pepijndevos> woohoo, I have a rpi mp3 player with gpio buttons :)
[16:56] * IT_Sean was kicked from #raspberrypi by sourcebot
[16:56] <shiftplusone> finally
[16:56] * IT_Sean (~Ult_Ubunt@applefritter/IRCStaff/UltimateMacUser1) has joined #raspberrypi
[16:56] <Armand> O_O
[16:56] <IT_Sean> what the heck Nefarious___
[16:57] <Nefarious___> did you swear in PM?
[16:57] <IT_Sean> I was editing the badwords list
[16:57] <Nefarious___> lol
[16:57] <Nefarious___> I need to fix that
[16:58] <IT_Sean> thats what we in the programming business would call a "bug".
[16:58] * Nefarious___ (~Nefarious@unaffiliated/nefarious---/x-0774223) Quit (Read error: Connection reset by peer)
[16:58] * ChanServ sets mode +o IT_Sean
[16:58] * IT_Sean sets mode -o sourcebot
[16:58] * Nefarious_`PC (~Nefarious@unaffiliated/nefarious---/x-0774223) has joined #raspberrypi
[16:58] <Nefarious_`PC> sorry :3
[16:58] <Nefarious_`PC> internet flicker
[16:58] <chithead> IT_Sean: I didn't know that abbreviations are now included. maybe you can update the policy
[16:59] <IT_Sean> Nefarious_`PC: FIX IT.
[16:59] <Nefarious_`PC> !resetoffences IT_Sean
[16:59] <sourcebot> Nefarious_`PC: You are not an Op
[16:59] <Nefarious_`PC> oh for gods sake
[16:59] <Armand> YukYukYuk!
[16:59] * Nefarious_`PC is now known as Nefarious_
[16:59] <Nefarious_> !resetoffences IT_Sean
[16:59] <sourcebot> Nefarious_: IT_Sean's offences have been reset
[16:59] <IT_Sean> I already reset my own offenses, nef... just fix the bot.
[16:59] <Nefarious_> will do soon
[17:00] <IT_Sean> Also... i see an addop option... is there a way to remove an op?
[17:00] <IT_Sean> from the bot's db
[17:00] * felipealmeida (~user@177.41.16.10) Quit (Read error: Connection reset by peer)
[17:00] <Armand> Better off handling Ops with Chanserv..
[17:00] <IT_Sean> Armand: differnt kind of op
[17:00] <Armand> Ahh.. Fair enough.
[17:01] <IT_Sean> in this sense "ops" have access to additional bot commands. has nothing to do with channel ops
[17:01] <Armand> Gotcha... I guess I'll shut my mouth. :P
[17:01] <IT_Sean> s'all good Armand.
[17:01] <Armand> :)
[17:01] <Nefarious_> IT_Sean: no, i'll add that. Although that could lead to somebody removing everyone or something
[17:03] <Nefarious_> can someone add sourcebot to the proper Ops list so when it restarts or rejoins it gets Opped automatically?
[17:03] <Nefarious_> going for a reboot now
[17:03] <IT_Sean> 10-4
[17:03] * sourcebot (~sourcebot@host86-155-74-115.range86-155.btcentralplus.com) Quit (Remote host closed the connection)
[17:04] <gvo> Is there a recommended audio player for the pi?
[17:04] <shiftplusone> recommended by whom?
[17:05] * Benguin[College] is now known as Benguin
[17:06] <gvo> By anyone. I mean I'm sure there are some that are just overkill for a small system.
[17:06] * gnmearacaun (~gnmearaca@79.97.252.143) Quit (Quit: WeeChat 0.4.2)
[17:06] * [SkG] (~sconde@unaffiliated/skg/x-897332) Quit (Ping timeout: 252 seconds)
[17:06] * sourcebot (~sourcebot@host86-155-74-115.range86-155.btcentralplus.com) has joined #raspberrypi
[17:06] <shiftplusone> by me, whatever you want that's sensible. For me, that's moc(p).
[17:07] * GerhardSchr (~GerhardSc@unaffiliated/gerhardschr) Quit (Remote host closed the connection)
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[17:07] <gvo> not familiar with that one. I'll look it up.
[17:07] <Nefarious_> IT_Sean: !removebadword fixes
[17:07] <Nefarious_> fixed*
[17:08] * Nefarious_ is now known as Nefarious_`PC
[17:09] * sourcebot (~sourcebot@host86-155-74-115.range86-155.btcentralplus.com) Quit (Remote host closed the connection)
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[17:10] * ChanServ sets mode +o sourcebot
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[17:35] * [SLB] (~slabua@unaffiliated/slabua) Quit (Ping timeout: 260 seconds)
[17:35] * [SLB]` is now known as [SLB]
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[17:43] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) Quit (Read error: Connection reset by peer)
[17:46] * xnyhps (~xnyhps@s.xnyhps.nl) Quit (Excess Flood)
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[17:47] * Pitel_IPEX (~pitel@gatekeeper.bm.ipex.cz) Quit (Quit: (ノಠ益ಠ)ノ彡┻━┻)
[17:48] <pepijndevos> how can I set up the raspi that if a wifi adapter is present, it'll create a hotspot?
[17:48] * Mikelevel (~MoVeWoRk@unaffiliated/mikelevel) Quit (Ping timeout: 246 seconds)
[17:48] <pepijndevos> For my cmus+gpio based mp3 player I'd like to be able to ssh in an modify the playlists.
[17:49] * sco` (~ross@unaffiliated/sco/x-3425046) Quit (Quit: Leaving.)
[17:50] <[SLB]> pepijndevos, start from here maybe http://elinux.org/RPI-Wireless-Hotspot
[17:53] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) Quit (Read error: Connection reset by peer)
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[18:43] <eurodata> Hi
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[18:45] <eurodata> Q: setting up an installation with raspberrypi, I know that the internal soundcard has low quality sound, so I bought USB soundcards, average, but that should do the job, it seems that the processor working still creating noise on the external usb card, would using an externally powered usb hub solving the problem as it would not draw power from the pi (which is making the noise?)
[18:46] <IT_Sean> That depends on how the noise is being introduced...
[18:47] <IT_Sean> If it is a grounding issue, it may persist, as (according to the USB spec) the hub and the pi would share a common ground (in theory).
[18:48] * aphadke (~Adium@2620:101:8003:200:b5c6:bea5:2053:8e42) has left #raspberrypi
[18:48] <eurodata> IT_Sean: the sound is in pace with how the processor works, would that say something?
[18:48] <IT_Sean> Not to me, sorry.
[18:48] <eurodata> idle / work = different souds.
[18:49] <eurodata> testing the sound cards on a ordinary linux laptop worked fine on the same socket
[18:49] <eurodata> wall socket
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[18:51] * Firehopper yays and has a tracking number for my udoo
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[18:59] <Sonny_Jim> eurodata: Might be the same socket but it's not the same PSU
[19:00] <eurodata> Sonny_Jim: will try with an external usb hub (powered), tomorrow, because then this would not share the psu of the pi...
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[20:02] <gvo> How do I edit the gui menu?
[20:04] <Sonny_Jim> It's pretty easy
[20:04] * pwillard (~pwillard@adsl-98-66-248-64.asm.bellsouth.net) Quit (Quit: Leaving)
[20:05] <Sonny_Jim> whereis raspi-config
[20:06] <gvo> Thanks
[20:07] * Serus (~Dragoon@31-151-158-2.dynamic.upc.nl) has joined #raspberrypi
[20:07] <Serus> hi
[20:07] <Sonny_Jim> dialog is what it uses
[20:07] <Sonny_Jim> (I think)
[20:07] <Serus> is rtgui the same as rutorrent?
[20:07] * PyrO_70 (~PyrO@cpc18-sgyl29-2-0-cust233.18-2.cable.virginm.net) has joined #raspberrypi
[20:07] <PyrO_70> hi
[20:08] <Serus> ok nvm it's not
[20:08] <PyrO_70> does anyone knows about wiringPi ?
[20:08] <Sonny_Jim> gordonDrogon:
[20:08] <Sonny_Jim> What's the question?
[20:08] <PyrO_70> I'm trying to use the callback method, but I get the following issue :
[20:09] <PyrO_70> wiringPiISR: execl failed: No such file or directory
[20:09] <gvo> Sonny_Jim: No luck with that. It's confined to system related things, not the user menu.
[20:09] * mase76 (~mase@p5DD3BC90.dip0.t-ipconnect.de) Quit (Quit: Konversation terminated!)
[20:09] <Sonny_Jim> Let me guess, you are trying to run it during boot?
[20:09] <PyrO_70> Nop
[20:09] <Sonny_Jim> gvo: I don't know what you mean then
[20:10] <Sonny_Jim> PyrO_70: Are you using rasbian?
[20:10] <PyrO_70> archlinux
[20:10] * Cykey (~CykeyFree@cykey.me) Quit (Ping timeout: 268 seconds)
[20:10] <Sonny_Jim> That doesn't look like an error with wiringPi, do you have the code anywhere I can look at?
[20:11] <PyrO_70> I have to export the pin in "out" mode as well, given the API doc I though it was done by the lib
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[20:11] <Sonny_Jim> You can change the mode using the library
[20:12] <Sonny_Jim> void pinMode (int pin, int mode)
[20:12] <gvo> Sonny_Jim: wheezy
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[20:12] <PyrO_70> I think I know what's going on
[20:12] <PyrO_70> standby :p
[20:12] <Sonny_Jim> gvo: The only menu I know of is raspi-config
[20:12] <gvo> Sonny_Jim: I mean the gui X menu with applications, graphics, sound, etc.
[20:13] <gvo> The little funny icon on the bottom left of the screen when running in X.
[20:14] <gvo> I went through all the preferences and didn't see anything. I right clicked on the menu but didn't find a way to add to the menu there either.
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[20:18] <Sonny_Jim> http://cagewebdev.com/index.php/raspberry-pi-adding-start-menu-items/
[20:18] <Sonny_Jim> Google is a wonderful thing
[20:18] <PyrO_70> Sonny_Jim, wiringPiISR( (int) pin, INT_EDGE_BOTH, callback );
[20:18] <PyrO_70> that is my line
[20:18] <Sonny_Jim> erm
[20:19] <PyrO_70> nothing weird there
[20:19] <Sonny_Jim> You realise what int means, right?
[20:19] <PyrO_70> ?
[20:19] <PyrO_70> yes
[20:19] <Sonny_Jim> Ok
[20:19] <Sonny_Jim> So, which pin are you trying to setup?
[20:20] <PyrO_70> GPIO5 on the RPi
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[20:20] <Sonny_Jim> Ok, so that line you pasted is wrong
[20:20] * helljawz (~helljawz@emesene/troll/helljawz) Quit (Ping timeout: 252 seconds)
[20:21] <PyrO_70> ok. why ?
[20:22] <Sonny_Jim> What wiringPi number is GPIO5?
[20:22] <PyrO_70> 5
[20:22] <PyrO_70> https://projects.drogon.net/raspberry-pi/wiringpi/pins/
[20:22] <PyrO_70> looking at that
[20:22] <Sonny_Jim> right
[20:23] <Sonny_Jim> So, you want to call a function called 'callback' every time pin 5 goes High Or Low?
[20:23] <PyrO_70> yes
[20:23] <Sonny_Jim> So where in that line you pasted does it say 5?
[20:24] <PyrO_70> gk!
[20:24] <PyrO_70> oops
[20:25] <PyrO_70> gimme a minute
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[20:29] <PyrO_70> ok, so when I execute it, it says :
[20:29] <PyrO_70> wiringPiISR: unable to open /sys/class/gpio/gpio4/value: No such file or directory
[20:29] <PyrO_70> (I change the pin ^^)
[20:29] <PyrO_70> d
[20:30] <PyrO_70> GPIO7
[20:30] <PyrO_70> given the table, that BCM4, I guess that is why I get that in the error
[20:31] <gordonDrogon> better pins page here: http://wiringpi.com/pins/
[20:31] <PyrO_70> ok
[20:31] <Sonny_Jim> hi gordonDrogon
[20:31] <Sonny_Jim> bbiab
[20:31] <gordonDrogon> evening.
[20:31] <PyrO_70> looks the same to me :p
[20:32] <gordonDrogon> maybe I back-ported the wiringPi pins page to projects... there is a printable pdf on the wiringpi site.
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[20:32] <PyrO_70> So I added a line to change the pinMode to In before setting the callback
[20:32] <PyrO_70> that remove the first errror
[20:32] <gordonDrogon> you shouldn't need that, but maybe it's an omission in the code - I'll check.
[20:33] * tanuva (~tanuva@2a02:8071:292f:d000:6830:38fb:731b:77d1) Quit (Ping timeout: 252 seconds)
[20:33] <gordonDrogon> do remember to run one of the setup functions - e.g. wiringPiSetup () ;
[20:33] <PyrO_70> I did
[20:35] <gordonDrogon> so gpio 5 ...
[20:35] <gordonDrogon> is that BCM pin numbers, physical pins numbers or wiringPi pin numbers...
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[20:36] <PyrO_70> So I'm setting GPIO7, on the page you gave me (in green)
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[20:36] <gordonDrogon> wiringPi 5 = physical 18...
[20:36] <gordonDrogon> gpio 7 = wiringPi 7 - bcm_gpio 4.
[20:37] <PyrO_70> gpio7 = wiringPI 7 = physical 7 = bcm_gpio4
[20:37] <PyrO_70> yes
[20:37] <PyrO_70> But I get that error now :
[20:37] <PyrO_70> wiringPiISR: execl failed: No such file or directory
[20:37] * lupinedk (~lupine6@unaffiliated/lupinedk) has joined #raspberrypi
[20:37] <gordonDrogon> ok
[20:37] * setkeh (~aldcznc@unaffiliated/setkeh) has joined #raspberrypi
[20:37] * maurosr (maurosr@nat/ibm/x-vjlaurmnreulthwp) has joined #raspberrypi
[20:37] * ukgamer (~ukgamer@host81-129-165-174.range81-129.btcentralplus.com) has joined #raspberrypi
[20:37] <gordonDrogon> are you using Raspbian?
[20:38] * jankyhellface (~jankyhell@173.239.75.186) has joined #raspberrypi
[20:38] <PyrO_70> archlinux
[20:38] * lord4163 (~lord4163@81-232-61-81-no226.tbcn.telia.com) has joined #raspberrypi
[20:38] <gordonDrogon> a-ha )-:
[20:38] * chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) has joined #raspberrypi
[20:38] <PyrO_70> :p
[20:38] <gordonDrogon> it's looking for /usr/local/bin/gpio - that's where the gpio program is supposed to be installed into.
[20:38] * subashp (~subash@70-90-167-153-CA.hfc.comcastbusiness.net) has joined #raspberrypi
[20:38] <PyrO_70> oh right
[20:38] <gordonDrogon> if you ran ./build to install wiringPi that's where it will be.
[20:38] <gordonDrogon> I'm guessing you did something else?
[20:39] <gordonDrogon> or used their out of date package...
[20:39] * firetramp (~textual@unaffiliated/firetramp) Quit (Quit: My iMac has gone to sleep. ZZZzzz…)
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[20:39] <PyrO_70> no, it's the package in alarmpi repo
[20:39] <gordonDrogon> execl ("/usr/local/bin/gpio", "gpio", "edge", pinS, modeS, (char *)NULL) ;
[20:39] <gordonDrogon> return wiringPiFailure (WPI_FATAL, "wiringPiISR: execl failed: %s\n", strerror (errno)) ;
[20:39] * jhulten (~jhulten@64.124.61.215) Quit ()
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[20:40] <gordonDrogon> I've no idea what that is...
[20:40] <gordonDrogon> sorry.
[20:40] <PyrO_70> Alright
[20:40] <gordonDrogon> what does the output of: which gpio give you?
[20:40] <PyrO_70> I did a symlink
[20:40] <PyrO_70> it does work fine ;)
[20:40] <gordonDrogon> ok.
[20:40] <PyrO_70> thx
[20:40] <gordonDrogon> I'm suspecting they put it into /usr/bin
[20:40] <PyrO_70> it's new
[20:40] <PyrO_70> every thing is in /usr/bin now
[20:40] * neebs_ (~neebs@unaffiliated/neebs) has joined #raspberrypi
[20:41] <gordonDrogon> they should have changed some of the other wiringPi source too for the package, but hey...
[20:41] <PyrO_70> /bin /sbin /usr/sbin are symlink to /usr/bin now on archlinux
[20:41] <gordonDrogon> seems odd to me, but there you go.
[20:41] <gordonDrogon> I'm sure they have their reasons.
[20:41] <PyrO_70> it's new policy for systemd and other stuff
[20:42] <gordonDrogon> I do all my work under Raspbian.
[20:42] * corvolino (~corvolino@unaffiliated/corvolino) has joined #raspberrypi
[20:42] <gordonDrogon> since that's the 99% user-base for the Pi...
[20:42] <PyrO_70> it's fine, just nice to know
[20:42] * SuperLag (~akulbe@unaffiliated/superlag) has joined #raspberrypi
[20:43] <gordonDrogon> it's not fine for old fuddy duddys like me with over 30 years of unix burned into our brains )-:
[20:44] <PyrO_70> :)
[20:46] <gordonDrogon> always space to learn something new, but Arch just doesn't feature in my life at all. Sticking to Debian here.
[20:46] <PyrO_70> fair enough
[20:46] * Aranel (~Aranel@unaffiliated/aranel) Quit (Ping timeout: 252 seconds)
[20:46] <PyrO_70> I've got arch everywhere
[20:48] * violet-rpi_ is now known as violet-rpi
[20:49] * JMichaelX (~james@unaffiliated/jmichaelx) Quit (Quit: Konversation terminated!)
[20:50] * dsirrine (dsirrine@nat/redhat/x-dpmvtvgmusijppbq) Quit (Ping timeout: 260 seconds)
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[20:52] <gordonDrogon> got Debian everywhere - I guess it makes sense to stick to what you know!
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[20:54] * tenmilestereo (~tnmlstr@w-244.cust-3410.ip.static.uno.uk.net) has joined #raspberrypi
[20:54] <Sonny_Jim> In the same vein, I've been using irssi for nearly a decade now
[20:54] <Sonny_Jim> Even on Windows I end up using it
[20:54] * teepee (~teepee@p508445A1.dip0.t-ipconnect.de) Quit (Ping timeout: 260 seconds)
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[20:55] <Serus> How heavy is apache?
[20:56] <IT_Sean> about 30 pounds or so
[20:56] <Sonny_Jim> badum tsch
[20:56] <Serus> rofl
[20:56] <Serus> How resource intensive is apache?*
[20:56] <gordonDrogon> apache is fine on the Pi.
[20:57] <gordonDrogon> but a lot of people are saiyn that lighttp is better.
[20:57] <gordonDrogon> I used apache when I was experimenting - I'd probably use it again if I needed to - mostly because I've been using apache since day 1 or something like that.
[20:57] <Serus> I'm looking for the most lightweight solution
[20:58] <Serus> The pi is going to torrent a lot.
[20:58] <gordonDrogon> look at lighttpd then (or whatever it's really called)
[20:58] <gordonDrogon> oh. torrent a lot.. Hehe... good luck..
[20:58] * PyrO_70 (~PyrO@cpc18-sgyl29-2-0-cust233.18-2.cable.virginm.net) Quit (Ping timeout: 246 seconds)
[20:58] <Serus> So I installed rtorrent, but I can't get it to work on xampp for some reason :/
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[21:11] * DEac- (~deac@1360029782.d-dsl.at) has joined #raspberrypi
[21:11] <DEac-> hi
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[21:16] <DEac-> i want to use a 4digit 7-segment display via i2c (0x70) and want to use ruby+wiringpi. i can use i2c, yet. for example set brightness: @i2c.write_reg_8 RegisterDimming | v, 0x00
[21:16] * bortzmeyer (~stephane@2a01:e35:8bd9:8bb0:21e:8cff:fe76:29b6) has joined #raspberrypi
[21:17] * lord4163 (~lord4163@81-232-61-81-no226.tbcn.telia.com) Quit (Quit: lord4163)
[21:17] <DEac-> but i do not know, how i can set the digits.
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[21:17] <gordonDrogon> what's the device?
[21:17] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) has joined #raspberrypi
[21:18] <DEac-> gordonDrogon: adafruit ht16k33
[21:18] <gordonDrogon> got a quick link?
[21:18] <DEac-> http://www.adafruit.com/products/1427
[21:20] <DEac-> https://github.com/adafruit/Adafruit-Raspberry-Pi-Python-Code.git < code-examples in python (works)
[21:21] <DEac-> it uses smbus and a method write_i2c_block_data of libi2c
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[21:22] * uniqdom (~uniqdom@tesla.olimex.cl) has joined #raspberrypi
[21:23] <uniqdom> gordonDrogon is there an easy way to set the frecuency of the i2c clock in your wiringPi? i would like it to be at 50khz instead of 100khz
[21:23] <gordonDrogon> not familiar with it.
[21:23] <gordonDrogon> uniqdom, gpio load i2c 50
[21:23] <uniqdom> gordonDrogon: thanks :)
[21:24] <gordonDrogon> uniqdom, you might need to unload the modules first
[21:24] <uniqdom> ok...
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[21:28] <zyngawow> Has anyone tried SportsDevil/Livestreams with OpenElec on the PI?
[21:29] * _BigWings_ (~Thunderbi@modemcable055.111-22-96.mc.videotron.ca) has joined #raspberrypi
[21:31] <DEac-> gordonDrogon: wiringPi uses i2c_smbus_access, like i2c-tools. i see, there is no function which provides something like that.
[21:32] <gordonDrogon> DEac-, you ought to be able to write a byte to a register via I2C.
[21:32] * deller (~Hillel@89-139-3-176.bb.netvision.net.il) has joined #raspberrypi
[21:32] <gordonDrogon> DEac-, I don't know anything about wiringPi in Ruby though - that was implemented by gadgetoid
[21:32] <deller> hi guys, i got a quick question
[21:32] <IT_Sean> We might have a qucik answer
[21:32] <deller> does the raspberry pi have any wireless connectivity?
[21:32] <IT_Sean> not out of the box
[21:33] <IT_Sean> if you want wifi, you need to add a dongle
[21:33] <deller> i see
[21:33] <deller> how can i be sure?
[21:33] <IT_Sean> how can you be sure of what?
[21:33] <IT_Sean> the raspi does NOT have wifi
[21:33] <IT_Sean> if you want wifi, you will need to add a USB dongle.
[21:33] <deller> i want to connect it to a network that cant be connected to anything else
[21:33] <deller> i need to "prove" it doesnt have anything
[21:33] <IT_Sean> deller: all the specs are on the website
[21:33] <IT_Sean> it does NOT have wifi
[21:34] <deller> no bluetooth, FM or anything?
[21:34] <AlanBell> no wifi, no bluetooth
[21:34] <Nefarious_`PC> deller: only connectivity is ethernet
[21:34] <IT_Sean> it has NO wireless connectivity
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[21:34] <deller> ok
[21:34] <deller> thanks
[21:34] <IT_Sean> The Model B has ethernet, but that is it.
[21:34] <AlanBell> interestingly it can kinda do a little FM transmission
[21:34] <deller> what do you mean?
[21:35] <AlanBell> http://www.icrobotics.co.uk/wiki/index.php/Turning_the_Raspberry_Pi_Into_an_FM_Transmitter
[21:35] <gordonDrogon> wiggle a pin at 100Mhz and it's a transmitter.
[21:35] <Nefarious_`PC> lol
[21:35] <AlanBell> basically add a wire to a gpio pin and modulate a sound over a suitable carrier
[21:36] <deller> lol
[21:36] <DEac-> gordonDrogon: the ruby-API is the same like in C. no differences, only some additional nice-to-have classes. something like wiringPiI2CWriteBlockData is missing. i do not know, how to simulate this via wiringPiI2CWriteReg8. i tried to call it for setting first digit: wiringPiI2CWriteReg8( i2c, 0, 0xFF)
[21:37] * GingerGeek is now known as GingerGeek[Away]
[21:38] <gordonDrogon> it should be doing the same as the i2cset command.
[21:38] <gordonDrogon> fd, register, value ...
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[21:41] <DEac-> i do not know, what i have done, now i can manipulate the second digit. the other not
[21:42] <gordonDrogon> if you can do it with i2cset, then you can do it with the wiringPi I2C helpers.
[21:42] * uniqdom (~uniqdom@tesla.olimex.cl) Quit (Ping timeout: 260 seconds)
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[21:44] * cccyRegeaneWolfe is now known as cccy_RegeaneWolf
[21:45] <DEac-> works for second digit: i2cset -y 1 0x70 2 4. did not work any digit: i2cset -y 1 0x70 4 4
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[21:54] <DEac-> ah ok, very cryptic usage.
[21:55] <Serus> Any rtorrent users?
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[22:40] <Nefarious___> as a webserver, ~ how many users could one pi handle hitting per minute?
[22:41] * ElTimo (~Tim_Rober@unaffiliated/eltimo) Quit (Quit: Leaving.)
[22:41] <johnc-> depends entirely on how resource intensive the pages are
[22:43] <Nefarious___> valid point. running on a python script, pure HTML and CSS
[22:43] <Nefarious___> not particularly intensive
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[23:10] * Firehopper watches batkid and tears up. so adorable. http://abclocal.go.com/wpvi/gallery?section=news/national_world&id=9327329&photo=1 < photos, if that doesn melt your heart, your not alive.
[23:13] <Nefarious___> lokl
[23:13] <Nefarious___> lol* I'm not batman fan...
[23:13] <Nefarious___> but I have to admit that is pretty cool
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[23:16] * picca (~picca@90.203.194.146) Quit (Quit: Lingo - http://www.lingoirc.com)
[23:17] * Firehopper nods!
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[23:19] * SpeedEvil remembers an amusing image which he cannot post in here.
[23:20] * highcenter (~highcente@unaffiliated/highcenter) Quit (Quit: and… I'm out)
[23:22] * LuisLeite (~emcrl@bl15-166-117.dsl.telepac.pt) has joined #raspberrypi
[23:23] * LuisLeite good evening
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[23:34] * calcifea (~rasla@gateway/tor-sasl/gitsu-sa) Quit (Remote host closed the connection)
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[23:34] <Cheekio> I'm looking at this hack: http://theiopage.blogspot.com/2012/06/increasing-raspberry-pis-usb-host.html
[23:35] * teepee (~teepee@p4FFFD30A.dip0.t-ipconnect.de) has joined #raspberrypi
[23:35] <Cheekio> and where they have F1 and F2 fuses, I have literally a hole.
[23:35] <gordonDrogon> You have a Rev 2 board
[23:35] <gordonDrogon> They had a Rev 1.
[23:35] <gordonDrogon> You don't need it on a Rev 2.
[23:36] * calcifea (~rasla@gateway/tor-sasl/gitsu-sa) has joined #raspberrypi
[23:36] <gordonDrogon> However if you're finding problems with the Pi's aboility to supply USB power, then you need a usb hub.
[23:36] <Cheekio> But I still have power issues
[23:36] <gordonDrogon> you need a powered usb hub
[23:36] <Cheekio> Hmm. Are there hacks for the revision 2 board?
[23:36] <ShadowJK> There's not that much power availabl, even with the USB fuses removed.
[23:36] <Cheekio> not being able to power a wifi card seems like a gross oversight.
[23:36] <gordonDrogon> if you're powering the Pi from the micro usb connector, then it's still limited to 700mA total.
[23:37] <ShadowJK> So yeah, a powered USB hub is nice.
[23:37] * ShadowJK has 2 pihubs
[23:37] <gordonDrogon> get a better Wi-Fi card. there appears to be plenty that work.
[23:37] <Cheekio> http://himeshp.blogspot.com/2012/07/small-and-cheap-usb-wi-fi-adapter-for.html
[23:37] <chithead> you can backfeed power through one of the usb a sockets, there is no fuse on that side
[23:37] <Cheekio> I got this one
[23:38] <gordonDrogon> but if you're desperate and you have a PSU that can supply more amps, then it's easy to solder jumper wires from the �USB input directly to the USB sockets bypassing the polyfuse.
[23:38] <Cheekio> Is there no fuse on the revision 2 model?
[23:38] * salmon_ (~salmon_@pc1-79.jsn.osi.pl) Quit (Ping timeout: 260 seconds)
[23:38] <gordonDrogon> there is still the input 700mA polyfuse.
[23:39] <Cheekio> gordonDrogon, won't that fry the board?
[23:39] <Cheekio> Soldering the power from the input micro USB to the USB peripheral jacks
[23:39] <gordonDrogon> what do you think?
[23:40] <Cheekio> I think it will, but you just raised it as a possibility
[23:40] <gordonDrogon> I think that if you think it will fry the board then you shouldn't have a soldering iron ;-)
[23:40] * envy3d (~envy3d@modemcable227.26-179-173.mc.videotron.ca) has joined #raspberrypi
[23:40] <gordonDrogon> especially if contemplating the old Rev 1 mod.
[23:40] <Cheekio> Everybody's got to start somewhere.
[23:41] <gordonDrogon> well - in at the deep end. I'd not dream of taking a soldering iron to a Pi if I've never used one before...
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[23:41] <gordonDrogon> but all you'd be doing is the same as the Rev 1 mod - bypassing the polyfuse on the input - connect the input �USB directly to the main usb without going via the pcb.
[23:41] <gordonDrogon> can't see how that'll fry the board myself.
[23:42] <gordonDrogon> personally, I'd get one of the supported wi-fi dongles and use that instead.
[23:42] * baseline (~thomasbur@cpc8-hawk13-2-0-cust110.aztw.cable.virginm.net) has joined #raspberrypi
[23:43] <baseline> Can I dd a partition to a file, and then somehow expand the file inside another partition without overwriting the contents of the destination partition?
[23:44] <gordonDrogon> how can you expand a file into a partition without altering that partition? it doesn't make sense...
[23:44] * aphadke (~Adium@2620:101:8003:200:b5c6:bea5:2053:8e42) has joined #raspberrypi
[23:44] <baseline> well that's what I'm asking really
[23:45] <baseline> I want to take my root fs off of an sd card and put it on my usb hdd
[23:45] <gordonDrogon> you *will* overwrite the usb hdd.
[23:45] <baseline> ok
[23:45] <gordonDrogon> you have to - how else will it be there?
[23:45] <baseline> so I guess I should do that first and then expand it
[23:45] <gordonDrogon> you're not really making sense.
[23:45] * Orion___ (~Orion_@161.28.2.199) has joined #raspberrypi
[23:46] <gordonDrogon> if you want to use a USB HDD as the root partition for the Pi, you'll need to create a partition on it, format it ext4, then copy the current root over to it.
[23:46] <baseline> basically I think I need to dd if=/dev/mmb.. of="backup-file", then if="backup-file" of="empty-ext4-partition"?
[23:46] <gordonDrogon> you don't need to use DD to do that.
[23:46] <baseline> oh
[23:46] <gordonDrogon> I'd use rsync.
[23:47] <baseline> ahh ok
[23:47] <gordonDrogon> so if you have an empty partition that's big enough, just rsync it over.
[23:47] <baseline> fantastic
[23:47] <gordonDrogon> it'll be faster and the partition size can be different.
[23:47] <baseline> thankyou!
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[23:47] <baseline> I've never had to do this before
[23:48] <gordonDrogon> I question the saniy of having root on a usb device, but others seem to do it.
[23:48] <gordonDrogon> just seems one more thing to go wrong to me.
[23:48] * DEac- (~deac@1360029782.d-dsl.at) has joined #raspberrypi
[23:48] <baseline> it's cheap mass storage, basically
[23:48] * Orion__ (~Orion_@205.118.211.29) Quit (Ping timeout: 268 seconds)
[23:49] <baseline> it's the same reason a lot of people are attracted to the pi
[23:49] <baseline> it's affordable
[23:49] <gordonDrogon> sure - just make sure its powered up and plugged in every time you want to use the Pi
[23:49] <gordonDrogon> I use NFS myself.
[23:49] <gordonDrogon> so all my stuff is on a server that all my devices then use.
[23:50] <baseline> my pi is the server
[23:50] <baseline> running netatalk for all the macs
[23:50] <gordonDrogon> bit slow, isn't it?
[23:50] <baseline> it's good enough for streaming video
[23:51] <gordonDrogon> yea, I guess so. the single USB is the bottleneck though.
[23:51] <baseline> it would be awful as an office file server, but for casual shared files at home it's great
[23:52] <baseline> Can I run the rsync command by you please gordonDrogon?
[23:52] <gordonDrogon> ok
[23:52] <gordonDrogon> I can give you a slightly better way though - might be easier, but it's an ancient command...
[23:53] <baseline> rsync --progress --recursive -R . /dev/sdxx ?
[23:53] <gordonDrogon> if you have the usb mounted at - e.g. /mnt/newroot, then: cd / ; find . -xdev | cpio -pm /mnt/newroot
[23:53] * [SkG] (~sconde@unaffiliated/skg/x-897332) Quit (Quit: Saliendo)
[23:53] <baseline> ah of course
[23:53] <baseline> duh
[23:53] <baseline> that seems more complicated than rsync
[23:54] <gordonDrogon> you'd need to use the -x flag in rsync to tell it to stay on the same filesystem. my runes for rsync would be: cd / ; rsync -aHx --whole-file . /mnt/newroot
[23:54] <gordonDrogon> you need to mount it as rsync works on files, not block devices.
[23:54] <baseline> yeah, that was my 'duh' :)
[23:55] <gordonDrogon> I was using cpio before rsync was invented... some old stuff sticks.
[23:56] <baseline> thankyou gordonDrogon. I'm sure I'll be back in a bit.
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