#raspberrypi IRC Log

Index

IRC Log for 2015-02-12

Timestamps are in GMT/BST.

[0:00] <seitensei> Calculus is not my favorite- it abstracts everything in some way or other :x
[0:00] <phire> Ironically, it turns out that calculus is easier than algebra
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[0:01] <ali1234> calculus is like the java of math. incredibly simple stuff written down in the most complex way possible
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[0:01] <seitensei> ^
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[0:02] <phire> Also, there is a reason we start teaching algebra at age 5.
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[0:03] <phire> "If bob had 5 apples and ate 3, how many apples would bob have?"
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[0:03] <phire> then all of a sudden we replace apples with x
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[0:04] <seitensei> and then calculus
[0:04] <phire> "if bob had 5x and ate 3x, how many Xs would bob have?"
[0:04] * gbaman (~gbaman@89.185.154.123) Quit (Client Quit)
[0:04] <seitensei> "Bob had 5 of something. He ate 3 of it. What did he eat?"
[0:05] <seitensei> and then you use the magic of derivatives
[0:05] <PovAddict> seitensei: ##math
[0:05] <ali1234> "it"
[0:05] <seitensei> ^
[0:05] <seitensei> PovAddict: Nice find
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[0:10] <movic> Hi Guys
[0:11] <movic> Did anyone test a Pi2 with XBMC/KODI?
[0:11] <movic> I'm curious about perfermance.
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[0:11] <Bilby> Lots of people are in the process, i haven't heard any real results yet
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[0:12] <Bilby> To get real results it needs to be set up under a build specifically for the Pi 2
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[0:12] <imbezol> http://imbezol.org/sysinfo/ <-- if anyone has a minute to try this on their pi and give feedback that'd be appreciated
[0:12] <movic> Bilby: thats right
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[0:55] <abnormal> imbezol, what does it do?
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[1:10] <TedTheTechie> Hello !
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[1:10] <ShorTie> Hi
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[2:15] <Stephini> hi
[2:16] <jamesd> hi its speleed "Pi"
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[2:17] <Stephini> any chance there is anyone on with experience cross compiling?
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[2:23] <phire> I'm attempting to setup buildroot right now
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[2:25] <Stephini> if i understand what i'm reading right that's for compiling the kernel?
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[2:31] <phire> it cross compiles a complete lightweight linux system
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[2:35] <imbezol> abnormal: just prints a one-liner showing your system stats
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[2:35] <imbezol> abnormal: there are examples on the page
[2:35] <imbezol> here's from mine pi b+
[2:35] <abnormal> does it do it in terminal?
[2:36] <imbezol> Hostname: piomega - OS: Linux 3.12.24+/armv6l - Distro: Raspbian 7 - CPU: ARMv6 rev 7 (v6l) (700.00 MHz) - Processes: 69 - Uptime: 1d 8h 26m - Users: 1 - Load Average: 0.80 - Memory Usage: 76.62MB/373.89MB (20.49%) - Disk Usage: 3.02GB/7.32GB (41.20%)
[2:36] <imbezol> yeah.. it's just a perl script
[2:36] <abnormal> you mean like the inxi one?
[2:36] <imbezol> not familiar with that one
[2:37] <abnormal> ahh... ok, just a min...
[2:37] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) has joined #raspberrypi
[2:37] <abnormal> System: Host raspberrypi Kernel 3.18.5+ armv6l (32 bit) Desktop LXDE (Openbox 3.5.0)
[2:37] <abnormal> Distro Raspbian GNU/Linux 7
[2:37] <abnormal> this is done by inxi
[2:37] <abnormal> google it
[2:37] <imbezol> https://code.google.com/p/inxi/
[2:38] <imbezol> cool. yeah this is just a quick oneliner
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[2:38] <abnormal> I can also do weather too.. min...
[2:39] <abnormal> Weather: Conditions 30 F (-1 C) - light snow mist Wind From the SSW at 13 MPH Humidity 80%
[2:39] <abnormal> Pressure 29.82 in (1010 mb) Wind Chill 20 F (-6 C)
[2:39] <abnormal> neat eh?
[2:39] <imbezol> the weather is from inxi too?
[2:40] <abnormal> yes
[2:40] <imbezol> nifty
[2:41] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) has joined #raspberrypi
[2:42] <abnormal> you key in ===> /exec -o ./inxi -xxx -W town,state note the dot before the slash which makes the pi go to the directory where inxi resides..
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[2:44] <abnormal> first you have to down load the inxi stuff before you can use it.. either shiftplusone , ShorTie , or [Saint] gave me the apt-get instructions to do it with...
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[2:45] <abnormal> very handy app.. I'll do another one, min...
[2:45] <abnormal> Machine: No /sys/class/dmi; using dmidecode: dmidecode is not installed.
[2:45] <abnormal> lol
[2:45] <abnormal> oops
[2:46] <abnormal> Memory: Using dmidecode: dmidecode is not installed.
[2:46] <abnormal> again?
[2:46] <abnormal> Network: Card Realtek RTL8188CUS 802.11n WLAN Adapter
[2:46] <abnormal> that's my Ourlink dongle from Adafuit.com
[2:47] <abnormal> inxi analysis's almost anything in a linux computer...
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[2:50] <Encapsulation> wtb raspberry pi 35 free ship usa
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[2:52] <ozzzy> nobody ships free
[2:53] <jamesd> Encapsulation: be sure to price the pi 2 b... it seems really interesting... quad core vs 1 core, 1GB vs 512MB
[2:53] * Megaf (~Megaf@unaffiliated/megaf) Quit (Quit: No Ping reply in 90 seconds.)
[2:53] <hinv> Encapsulation of course you do
[2:53] <abnormal> no cuz you have to buy the ships
[2:53] <hinv> so do I
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[2:54] <abnormal> ships cost millions of dollars
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[2:57] <PovAddict> let's see if this patched qemu can emulate the raspi decently
[2:57] * veonik is now known as veonik_
[2:58] <PovAddict> ...it segfaults
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[2:59] <phire> well, the rpi can segfault too...
[2:59] <PovAddict> it segfaults veeeery early
[2:59] <phire> lol
[3:00] <ozzzy> I've only managed to blow away the Pi2 once so far (took it's pic)
[3:00] <hinv> post pic
[3:00] <ozzzy> but hotplugging usb stuff, which would kick the B, doesn't bother it
[3:01] <ozzzy> http://ozzzy.dyndns.org/images/pi2_running.jpg
[3:03] <Stephini> phire, ahh. I'm trying to cross compile specific programs. :P currently emulationstation. 10 mins i sso much better than several hours.
[3:04] <phire> so, first step is you need a toolchain
[3:04] <phire> I built mine using crosstools-ng
[3:04] <phire> some people make pre-made optimised toolchains
[3:04] * chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) Quit (Remote host closed the connection)
[3:04] <phire> which you can download
[3:04] * cceleri (~cceleri@2604:6000:110d:c012:80cf:5899:ce7f:5b3) Quit (Remote host closed the connection)
[3:05] <ozzzy> I compiled HexChat on the Pi2 in about 15 minutes
[3:05] <Stephini> i had gotten openframeworks was able to do everything except for the dependencies.
[3:06] <ozzzy> that was running the autogen.sh script, ./configure, make and make install
[3:06] <Stephini> this is the first error i hit >> sudo apt-get install -y libudev-dev libasound2-dev libdbus-1-dev libraspberrypi0 libraspberrypi-bin libraspberrypi-dev
[3:06] <ozzzy> would have taken a lot longer on the B
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[3:07] <phire> yeah, your host probally won't have libraspberrypi
[3:08] <phire> one thing you can do is setup a raspberry pi system to run inside qemu, which should be faster
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[3:08] <phire> and compile it in there
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[3:08] <PovAddict> phire: I have been trying to do that all day
[3:08] <phire> that will sort out any dependency issues.
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[3:09] <phire> otherwise, you need to cross-compile the dependencies and get the build script to link to those
[3:10] <Stephini> ahh is there a guide to the qemu thing?
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[3:12] <phire> Stephini, http://sentryytech.blogspot.co.nz/2013/02/faster-compiling-on-emulated-raspberry.html
[3:12] <Stephini> to bad there isn't a way to emulate the pi in virtualbox. im sure i'll loose performance emulating inside of an emulator. :P
[3:12] <phire> see plan B
[3:13] <phire> it doesn't emulate the full pi
[3:13] <phire> just userspace
[3:13] <phire> and chroot does the rest
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[3:15] <royster> I'm piping 'raspivid' into ffmpeg to record a video with the camera module and then encode it to a different format, but I'm wondering if I'd be able to tell ffmpeg to wait a specified amount of seconds after raspivid turns the camera module on, before starting to encode?
[3:16] <phire> royster, why?
[3:16] <PovAddict> try the -ss option
[3:16] <PovAddict> or ask #ffmpeg
[3:17] <phire> I'd use a named pipe and start ffmpeg a few seconds later
[3:17] <PovAddict> that won't work, the data will accumulate in the pipe
[3:18] <phire> well, if you aren't encoding it, it's going to accumulate somewhere
[3:18] <royster> @phire - i'm making something where the raspberry pi records a 5 second video every minute, but what i've noticed is that when raspivid turns the camera module on, there's a brief light fluctuation at the start, in the first second, so i want to try and make ffmpeg wait a second and begin recording after the light fluctuation has occured
[3:18] * harish (harish@nat/redhat/x-fshuwoqhodguaikf) has joined #raspberrypi
[3:18] <PovAddict> pass -ss 1 to ffmpeg
[3:18] <phire> oh, skip the first second
[3:19] <phire> yeah that makes sense
[3:19] <royster> PovAddict: thanks, and that should work even if the input into ffmpeg is raspivid, not just a video file on disk?
[3:19] * MasterPiece (~MasterPie@unaffiliated/masterpiece) Quit (Remote host closed the connection)
[3:21] <phire> looks like -ss seeks forwards a number of keyframes
[3:21] <phire> it doesn't jump around
[3:21] <Triffid_Hunter> royster: sure, ffmpeg doesn't need to care where the video comes from to skip the first second, the whole idea of ffmpeg is that it's a swiss army knife of video editing tools so you can use any feature with anything
[3:21] <phire> so it should work
[3:21] <Triffid_Hunter> phire: if you use -ss on the output stream it will skip as expected
[3:21] <Triffid_Hunter> ie -o blah -ss 1 will avoid writing the first second out, after encoding it
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[3:23] <royster> phire, PovAddict, Triffid_Hunter - thanks! i think that worked. I used '-ss 00:00:02.000'
[3:24] * ball (~ball@99-100-253-3.lightspeed.cicril.sbcglobal.net) has joined #raspberrypi
[3:24] <Triffid_Hunter> royster: great! thanks for letting us know :)
[3:24] <ball> Is "Raspbian Wheezy" appropriate for a Model B?
[3:25] <PovAddict> ball: sure
[3:25] <ball> PovAddict: Thanks.
[3:27] <Stephini> >.< why can't linux have an optional password? i as the system owner and administrator should be allowed to make the determination that the non root account does not need a password.
[3:27] <phire> Stephini, you can
[3:27] <phire> for logging into the gui?
[3:27] <phire> or console?
[3:28] <PovAddict> Stephini: I think you can set an empty password
[3:28] * MasterPiece (~MasterPie@unaffiliated/masterpiece) has joined #raspberrypi
[3:28] <PovAddict> but you can't have the console not ask you for one at all
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[3:28] <phire> for for the gui, you can enable auto login
[3:28] <phire> PovAddict, sure you can
[3:28] <Triffid_Hunter> PovAddict: sure you can, just add -l to the getty options in /etc/inittab
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[3:29] * royster (2be02007@gateway/web/freenode/ip.43.224.32.7) Quit (Quit: Page closed)
[3:29] <phire> Triffid_Hunter, no you want -n
[3:29] <Triffid_Hunter> -n is it? right, thanks
[3:30] <Stephini> phire, during install i cant just skip the password and it's annoying.
[3:30] <phire> -n skips login and logs you in as root
[3:30] <Stephini> i litterally had to type " " just to get passed that step
[3:31] <phire> Triffid_Hunter, -a username to login as a user
[3:31] <phire> Stephini, installers don't like people setting unsafe defaults
[3:31] <phire> but linux is very capable of being setup in such a way
[3:32] <phire> my work computer boots straight to desktop
[3:32] <Stephini> yeah post install. i just wish there was a way during install. i mean " " is no less safe than no password.
[3:32] <phire> techincally, it's safer
[3:32] <Stephini> s/no less safe/no more safe
[3:32] <phire> it will at least force someone to pull out a bruteforce attack
[3:33] * simiuskong (~simiuskon@2a01:348:99:158:255:215:77:1) has joined #raspberrypi
[3:33] <Stephini> phire if there is a prompt space is less secure than nothing because very few people would think to try just hitting enter they always try SOMETHING.
[3:33] * MasterPiece (~MasterPie@unaffiliated/masterpiece) Quit (Ping timeout: 250 seconds)
[3:33] <phire> no password means no prompt
[3:33] * RaptorJesus (~RaptorJes@unaffiliated/raptorjesus) Quit (Remote host closed the connection)
[3:33] <Stephini> i've set no password in ubuntu after install before and still had prompts just had to hit enter every time
[3:34] <phire> no password is not the same as a blank password
[3:34] * RaptorJesus (~RaptorJes@unaffiliated/raptorjesus) has joined #raspberrypi
[3:34] <phire> it's possible to set both
[3:34] <Stephini> i concede that i was using the wrong language before. sorry
[3:34] * diytto (~diytto@2a01:4f8:162:124::2) Quit (Quit: Oops, my ZNC appears to have died!)
[3:35] * PovAddict (~nicolas@kde/nalvarez) Quit (Quit: Konversation terminated!)
[3:35] <phire> in which case, a blank password is just as secure as " "
[3:35] <Stephini> blank is what i meant
[3:35] <phire> but why would you want a blank password
[3:35] <phire> just enable auto login
[3:35] * cceleri (~cceleri@cpe-74-76-221-16.nycap.res.rr.com) has joined #raspberrypi
[3:35] <phire> then you aren't prompted at all
[3:35] * RaptorJesus (~RaptorJes@unaffiliated/raptorjesus) Quit (Remote host closed the connection)
[3:35] * ball tries to remember what he was going to ask.
[3:35] <phire> and you can still have a working password for ssh
[3:36] <Stephini> i just want to be able to hit continue in the installer. :P auto login is selected by default anyway. i just dont want to type a password even " " every time i install. :P
[3:36] <phire> ball, just ask a random question
[3:36] * RaptorJesus (~RaptorJes@unaffiliated/raptorjesus) has joined #raspberrypi
[3:36] <ball> phire: I can do that!
[3:36] <ball> Would a TTL console cable give me a login prompt if I boot from Raspbian?
[3:36] <Stephini> i cant even figure out how to ssh into virtualbox. i think the virtual network is blocking it or something.
[3:37] <ball> Stephini: Are you trying to ssh as root?
[3:37] <Stephini> hadn't set up root so i tried my nonroot account
[3:37] <phire> ball, I believe TTL is set (by default) to ask for a password.
[3:37] <Stephini> cross with password compiler
[3:38] <phire> but you can change that behaviour in /etc/inittab
[3:38] <ball> phire: That's fine. Does it give me extra access to anything or is it just like any other terminal line?
[3:38] <Stephini> err maybe you need to install/enable SSH. hadn't thought of that.
[3:38] <phire> ball, good question
[3:39] <phire> It gives access to the kernel debugger
[3:39] <phire> but only if you manage to crash the kernel
[3:39] <ball> That's potentially handy then.
[3:40] <ball> Does the firmware have a command line too?
[3:40] <phire> no
[3:40] <ball> Ah, ok.
[3:40] <phire> it initilizes serial, but never puts anything on it
[3:40] * Tachyon` is now known as Tach[Zzz]
[3:40] <phire> mainly so the early kernel code has working serial logging
[3:40] <ball> phire: That's fair enough. Wasn't sure whether it was like the serial console on a SPARCstation ;-)
[3:41] * Sir_Pony (~rawr@cpe-174-099-005-078.nc.res.rr.com) Quit (Ping timeout: 255 seconds)
[3:42] <phire> that's with the default settings anyway
[3:43] <ball> I'm over at Adafruit shopping for things to plug into my Raspberry Pi,.
[3:43] <phire> oh, apparently you can send a Magic SysRq over serial
[3:43] * c00ljs (~c00ljs@177.142.74.227) Quit (Ping timeout: 245 seconds)
[3:43] <ball> phire: Serial break?
[3:43] <phire> yeah
[3:43] <ball> Nice.
[3:43] <phire> but that just brings it up equal to keyboard
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[3:45] <phire> now, with non-default software...
[3:45] * hid3 (~arnoldas@78.157.71.116) Quit (Ping timeout: 265 seconds)
[3:45] <phire> there are a few bootcode.bins which allow you to upload a program to run on the gpu over serial
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[3:59] <ball> phire: I can't see myself using that but it's interesting to know about.
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[4:23] <dli> couldn't start mathematica on pi2 (raspbian). wondering it's me or the same for all
[4:24] <hinv> can someone point me to the specs of the processor on the Pi2?
[4:24] <phire> hinv, the actual processor core?
[4:24] * xlogik (~xlogik@c-76-118-254-218.hsd1.ma.comcast.net) has joined #raspberrypi
[4:25] * xlogik (~xlogik@c-76-118-254-218.hsd1.ma.comcast.net) Quit (Client Quit)
[4:25] <ball> phire: Am I right in thinking it's built around an SoC?
[4:25] <phire> http://www.arm.com/products/processors/cortex-a/cortex-a7.php
[4:25] <phire> it's a SOC with 4x cortex-a7 processors
[4:25] <ShorTie> cat /proc/cpuinfo
[4:25] * PiZZaMaN2K|away is now known as PiZZaMaN2K
[4:25] * xlogik (~xlogik@c-76-118-254-218.hsd1.ma.comcast.net) has joined #raspberrypi
[4:25] <ball> ShorTie: Perhaps he or she doesn't have one yet.
[4:26] <hinv> phire like primary cache, l2 Cache, etc
[4:26] <ShorTie> sounds like a personal problemo then
[4:26] * RavenII (~Ramsin@c-73-8-61-57.hsd1.il.comcast.net) has joined #raspberrypi
[4:26] <phire> hinv, I don't think there is a spec sheet out there
[4:27] <phire> oh cool, it's got 512kb of L2 cache
[4:28] <ball> I was thinking 512K of RAM, but that's Mbytes.
[4:28] <phire> instead of sharing the GPUs 128kb of L2 cache
[4:28] <ball> Or rather 1G on the new one.
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[4:29] <Stephini> frak sudo apt-get install qemu-kvm-extras
[4:29] <Stephini> err that's not what was int eh clipboard. >.<
[4:29] <Stephini> E: Package 'qemu-kvm-extras' has no installation candidate
[4:29] <hinv> comparing it to http://hardkernel.com/main/products/prdt_info.php?g_code=G141578608433&tab_idx=2
[4:30] <phire> hinv, and 32KB of L1d and 32KB of L1i cache per core
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[4:30] <phire> hinv, same amount of cache
[4:30] <phire> the A7 cores are much better than A5 cores
[4:31] <phire> diffrent gpu
[4:31] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) has joined #raspberrypi
[4:31] <ball> phire: ARM7?
[4:32] <phire> yeah, it's ARM7
[4:32] <phire> the old one was ARM6
[4:32] * ball nods
[4:32] <hinv> big performance boost right there
[4:32] <ball> Do either of the Broadcom chips support Thumb?
[4:32] * c00ljs (~c00ljs@177.142.74.227) Quit (Remote host closed the connection)
[4:33] <phire> the A7 cores are the little half of the new Big.little smartphone configurations
[4:33] <phire> so the A7 supports every single feature that the A15 cores do
[4:33] <hinv> or like in the XU3
[4:33] <hinv> http://hardkernel.com/main/products/prdt_info.php?g_code=G140448267127
[4:34] * ApolloJustice (~Apollo@unaffiliated/apollojustice) Quit (Ping timeout: 265 seconds)
[4:34] * ApolloJustice_ is now known as ApolloJustice
[4:34] * utack (~utack@ip9234cb8c.dynamic.kabel-deutschland.de) Quit (Remote host closed the connection)
[4:34] <phire> yeah, so that one actually has the big half (A15), so it should be much faster
[4:35] <hinv> what is the graphics on the Pi2?
[4:36] <eXtremo> mali450
[4:36] <hinv> MP2?
[4:36] <phire> same as the Pi1
[4:36] <phire> 100% identical
[4:37] <hinv> I thought the Pi1 was Mali 400
[4:37] <phire> it's not
[4:37] <phire> videocore
[4:37] * ball tries to remember the name of the company who made the GPU in the new Atom chips.
[4:37] * intothev01d (~intothev0@unaffiliated/intothev01d) Quit ()
[4:37] <ball> PowerVR?
[4:38] <hinv> so the opensouced code for the Pi is good for the Pi2?
[4:38] <phire> yeah
[4:38] <hinv> is there anything still closed in the Pi2?
[4:38] <phire> the firmware
[4:38] <phire> also the open source 3d driver is still being developed
[4:38] <ball> hinv: Register-level documentation for the broadcom chip, perhaps?
[4:38] <hinv> that will definitely help things when that is done
[4:39] <hinv> phire, is the firmware in on-chip flash or ROM or off-chip?
[4:39] <phire> it's on the SD card
[4:39] <phire> it's also the bootloader
[4:39] <phire> (and it's massive)
[4:40] <hinv> oh
[4:40] <hinv> forgot that option
[4:40] <hinv> any plans to open that up?
[4:40] <phire> no public plans
[4:41] <plugwash> hinv, AIUI the only part of the GPU stuff opened up was the 3D core
[4:41] <hinv> what is the addressable memory on the new chip that the Pi2 uses?
[4:41] <hinv> AIUI?
[4:41] <ball> As I Understand It
[4:41] <hinv> gotcha
[4:41] <plugwash> the VPU, the camera stuff, the video processing stuff etc all still reamain closed
[4:42] <ball> Are the Broadcom GPUs from PowerVR?
[4:43] <phire> no
[4:43] <phire> broadcom make their own gpu
[4:43] <ozzzy> and their gpus are pretty damned good
[4:44] <phire> and they released documentation: http://www.broadcom.com/docs/support/videocore/VideoCoreIV-AG100-R.pdf
[4:44] <RavenII> I'm sure this has been beaten to death...but now that the B2 is out...Ubuntu?
[4:44] <ozzzy> why bother... nothing wrong with Raspbian
[4:45] <RavenII> So that's a no. Got it.
[4:46] <RavenII> Is there just no interest? or is it still a compatibility issue?
[4:46] <ozzzy> it's not a no... just wondering
[4:46] * RaptorJesus (~RaptorJes@unaffiliated/raptorjesus) Quit (Remote host closed the connection)
[4:46] <ozzzy> I've never been a fan of 'distros from everywhere'
[4:46] <ozzzy> a failing of mine
[4:46] <Stephini> could have sworn when i was looking at the rpi2 product page that it specifically stated there was a compatible arm ubuntu ravenii
[4:47] * benighted (~Adam@dhcp-1c-7e-e5-45-5c-af.cpe.wightman.ca) Quit (Quit: Leaving)
[4:47] <RavenII> Stephini, oh, nice.
[4:47] <phire> it should be possible
[4:47] * ApolloJustice (~Apollo@unaffiliated/apollojustice) Quit (Read error: Connection reset by peer)
[4:47] <RavenII> I just got mine today, and Openelec/OSMC run like crap on it...
[4:47] <RavenII> so...I just thought I'd try another distro
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[4:47] <phire> I'm not sure if ubuntu has support for the raspberry pi's gpu in it
[4:47] <RavenII> Aside from Raspbian.
[4:47] <phire> but that's not the hardest thing to add
[4:47] <ball> phire: It's nice to know that the GPU is documented.
[4:47] <ball> (for 2D and 3D?)
[4:48] <phire> yeah both 2d and 3d
[4:48] <phire> really fun to play with
[4:48] <ball> ...including hardware video acceleration?
[4:48] <phire> not hardware video
[4:48] <Stephini> Because it has an ARMv7 processor, it can run the full range of ARM GNU/Linux distributions, including Snappy Ubuntu Core, as well as Microsoft Windows 10.
[4:48] <Stephini> right from the product page
[4:48] <phire> also nothing about how to get things onto the screen
[4:48] <phire> documentation just covers the 3d pipeline
[4:49] <phire> which is actually a small part of the total GPU
[4:49] <Stephini> is that what you were looking for RavenII? or am i missreading that
[4:49] <RavenII> Stephini, yep, I just found the download, thank you
[4:49] <dli> pi2 seems to be more than 6 times faster than pi B+, for Mathematica
[4:50] <Stephini> i'm wondering if edubuntu has arm support. if so i could finally build my daughter a cheap edubuntu box.
[4:50] * shum (~sdothum@207.112.100.227) Quit (Remote host closed the connection)
[4:51] <Stephini> er wait. if it supports ubuntu i could just install the edubuntu upgrade package from in ubuntu. :P
[4:51] <ball> Stephini: You could, but you'd build it around an Atom chip, probably.
[4:51] <phire> assuming the edubuntu packages have been built for arm
[4:51] * MasterPiece (~MasterPie@unaffiliated/masterpiece) has joined #raspberrypi
[4:52] * ozzzy has a minicomputer built around an Atom... it's great
[4:53] <phire> http://en.wikipedia.org/wiki/Minicomputer
[4:54] * Bozza (~Bozza@unaffiliated/bozza) has joined #raspberrypi
[4:54] <ozzzy> http://ozzzy.dyndns.org/images/minitoga.jpg <--- minicomputer
[4:54] * MageJames (~Magejames@cpe-071-075-059-040.carolina.res.rr.com) Quit (Remote host closed the connection)
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[4:55] <phire> smallest minicomputer I've ever seen
[4:55] <phire> actually fits on a desk
[4:56] <ozzzy> yep... it's mini and will run rings around the PDP11 I had
[4:56] * Bozza_ (~Bozza@unaffiliated/bozza) Quit (Ping timeout: 256 seconds)
[4:57] <Stephini> hrm i was hoping that edubuntu would be sort of like windows apps. the os does most of if not all the talking to hardware so the app just needs to know how to talk to the os and it's libraries.
[4:58] <phire> interesting, the A7 uses half the power of the A9 yet has 90% of the performance
[4:58] <phire> the cortex A9 was once the top of the line arm processor
[4:58] <plugwash> where did that "90% of the performance" claim come from?
[4:59] <phire> Arm's marketing infomation
[4:59] * plugwash would take that with a serious grain of salt
[4:59] <phire> http://www.arm.com/products/processors/cortex-a/cortex-a7.php performance tab
[4:59] <Stephini> so saying arm7 is not the same as saying like pentium 3 i take it. cause i'm pretty sure the arm7 in the gba wasn't quadcore.
[4:59] <plugwash> arm7 != armv7
[4:59] <phire> Stephini, don't confuse arm7 with armv7
[4:59] * wcfields (~keynull@209.36.40.50) Quit (Quit: Leaving)
[4:59] <plugwash> yes this is very confusing
[4:59] <Stephini> ahh i missed a letter
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[5:00] <phire> arm have really messed up with their naming
[5:00] <hinv> without USB load, how much power does the Pi2 use pegging all of the processors & gpu?
[5:00] <plugwash> phire, note that the "performance" line on that graph does not say whether the cores were running at the same speed or whether they assume a higher clockspeed for the newer A7 core
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[5:02] <phire> plugwash, you are right to be suspicious about those numbers
[5:02] <phire> the A9 is OoO
[5:03] <phire> although, not very good OoO
[5:03] * RavenII (~Ramsin@c-73-8-61-57.hsd1.il.comcast.net) has left #raspberrypi
[5:03] <hinv> OoO?
[5:04] <phire> only 3 execution ports (technically the A7 has 5 execution ports)
[5:04] <phire> Out of Order
[5:05] <phire> thanks wikipedia, who cares if the A7 has 5 "execution ports"
[5:05] <phire> it can only dispatch one or two instructions per cycle
[5:06] <ball> Out of Order doesn't sound very RISC ;-)
[5:06] <phire> RISC only describes the external instruction set
[5:06] <hinv> well MIPS does 5x OoO and it is RISC
[5:06] <hinv> R10000, I am referring to
[5:07] * RaptorJesus (~RaptorJes@unaffiliated/raptorjesus) has joined #raspberrypi
[5:07] <phire> infact, I don't think there are any OoO CISC processors
[5:08] <phire> (we don't count x86 as CISC anymore)
[5:08] <plugwash> phire, why not? it sure as hell has a complex intstruction set
[5:08] <hinv> phire x86 is a cluster
[5:09] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) Quit (Remote host closed the connection)
[5:09] * amigojapan (~amigojapa@c119045.net21845.cablenet.ne.jp) has joined #raspberrypi
[5:10] <blib> I'm looking for a good compact usb powered - speaker/mic for the pi - any recommendations?
[5:10] * ball (~ball@99-100-253-3.lightspeed.cicril.sbcglobal.net) Quit (Quit: leaving)
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[5:18] <hinv> http://hsto.org/files/b69/4d3/6a4/b694d36a480d4626adc9c85438d9cb01.jpg
[5:19] <Stephini> wait. qemu is available for windows? so could i just not do the virtualbox ubuntu for cross compiling or is there some reason i should use ubuntu?
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[5:23] <blib> hinv: thanks. :)
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[5:33] <seitensei> blib: good can be very subjective
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[5:39] <blib> seitensei: I can't find one !
[5:39] * Mrloafbot_ (~Mrloafbot@d199-74-229-81.try.wideopenwest.com) Quit (Quit: Leaving)
[5:40] <seitensei> Depends on how you define 'good'
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[5:40] * dli (~dli@216.165.211.97) Quit (Ping timeout: 240 seconds)
[5:40] <blib> seitensei: show me one that works?
[5:41] <blib> Forget good for now :)
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[5:42] <seitensei> https://www.ihomeaudio.com/iBT16LC/
[5:43] <seitensei> Charges/powered via USB, and has aux
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[5:48] <blib> seitensei: doesn't have mic?
[5:49] <seitensei> just speaker
[5:49] * MageJames (~Magejames@cpe-071-075-062-008.carolina.res.rr.com) Quit (Client Quit)
[5:49] <blib> seitensei: does that work with the pi? I was hoping to find a combo. mic + speaker. But I could settle for separate items
[5:49] <seitensei> blib: It'll work with anything- audio using the 3.5mm
[5:50] <seitensei> when you say 'usb powered', I'm assuming that you just want usb to provide power to it
[5:50] <blib> yes
[5:52] <blib> and this one violates that - and gets its weight higher than necessary
[5:52] * utack (~utack@ip9234cb8c.dynamic.kabel-deutschland.de) Quit (Remote host closed the connection)
[5:54] <seitensei> blib: Adafruit has speakers- USB powered, no battery- so you can strip the casing if you want
[5:54] <seitensei> https://www.adafruit.com/products/1363
[5:55] <seitensei> also these https://www.adafruit.com/products/1475
[5:56] <ali1234> Stephini: qemu for windows - qemu has two different modes of operation. one is a full system emulator, the other just emulates CPU and uses the native linux kernel for syscalls. that is a lot faster, and that is the mode used for cross compiling. cross compiling in a full qemu system emulation is slower than just compiling on the pi.
[5:56] <ali1234> Stephini: virtualization on the other hand is not emulation, it is running two operating systems at the same time. so it is near native speed.
[5:56] <ali1234> so in short, carry on using ubuntu in virtualbox
[5:59] <blib> seitensei: 1475 looks good. All I need after that is a light weight microphone and speakers
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[6:42] <Stephini> ali1234, thanx for the info.
[6:43] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) has joined #raspberrypi
[6:46] <Stephini> ali1234, the article i'm looking at is saying emulating the pi in qemu is slow so i'm guessing that isn't the right guide to cross compile then. >> http://sentryytech.blogspot.co.nz/2013/02/faster-compiling-on-emulated-raspberry.html
[6:46] <Stephini> is there a better guide then?
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[6:51] <ShorTie> what model pi may i ask ??
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[6:58] <dunkel2> hello
[7:01] <Stephini> ShorTie, me?
[7:01] <ShorTie> sorry, yes sir
[7:01] <Stephini> i have a b+1
[7:01] <Stephini> plan to get a 2 but the b+1 is all i got.
[7:02] <ShorTie> ok, what cha compiling ??
[7:02] <dunkel2> hello
[7:02] <Stephini> emulationstation
[7:02] <ShorTie> Hi
[7:02] <dunkel2> have you used archlinux on the raspberry pi?
[7:02] <ShorTie> Yes
[7:03] <dunkel2> im having a little issue with usb
[7:03] <dunkel2> i connect a usb but i dont see the ttyUSB on /dev
[7:04] <ShorTie> have you looked in dmesg ??
[7:04] <dunkel2> yes
[7:04] <dunkel2> i also did udevadm monitor --environment
[7:05] <dunkel2> and i see it appears on /dev/bus/usb/001/005
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[7:09] <ShorTie> not real sure
[7:10] <ShorTie> sortta sounds like a driver is needed
[7:10] <dunkel2> mm let me check
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[7:11] <Stephini> ShorTie, did you have some ideas for my needs or were you just curious?
[7:12] * solrize (~solrize@unaffiliated/solrize) Quit (Ping timeout: 250 seconds)
[7:13] <ShorTie> just sortta wondering why not compile on the pi, i guess
[7:14] <Stephini> cause that takes hours and i need to compile several times after small edits to be sure the edits stick right.
[7:14] <Stephini> if i can use 4 cores and 5 gigs of ram it'll go alot faster. :P
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[7:16] <ShorTie> retropie is no good ??
[7:17] <Stephini> I'm of the mind if you are going to use open source software you need to make it your own. if you just want to install a repack and call it a day you may as well own a mac.
[7:18] <Stephini> s/need to make it your own/may as well make it your own
[7:18] <dunkel2> damn i cant find how to install the drivers for that usb
[7:20] <ShorTie> ok, sounds reasonable
[7:20] <dunkel2> but i think i already have them
[7:20] <dunkel2> look /lib/modules/3.18.6-2-ARCH/kernel/drivers/usb/serial/pl2303.ko.gz
[7:20] <ShorTie> shiftplusone is like the crosscompile guru, but his like away
[7:21] <ShorTie> he has answered the crosscompiling question many a times
[7:21] <ShorTie> search the logs fir it is about all i can
[7:22] <ShorTie> s/fir/for
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[8:42] <pppingme> Do raspberry pi's do PXE?
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[8:44] <SpeedEvil> No
[8:44] <SpeedEvil> Well - you could use it as a server
[8:44] <SpeedEvil> But as a client, it neds a SD card
[8:44] <SpeedEvil> to bot at all, with something to implement PXE
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[8:50] <pppingme> ok, of course by the time you have to use an SD card, pxe becomes mostly pointless.
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[8:55] <Stephini> if i understand right the PXE could be used if you can only get your hands on an SD card that's too small for what you need. no?
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[9:00] <SpeedEvil> Sure
[9:00] <SpeedEvil> So could NFS boot or whatever
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[9:28] <kushal> Just wondering if anyone has a list of applications for school kids which run well on rpi?
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[9:33] * djsxxx_away is now known as djsxxx
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[9:34] * ch007m (~chm@ip-213-49-111-238.dsl.scarlet.be) has joined #raspberrypi
[9:35] <anahumar> is it possible connect raspberry to my laptop's monitor or tablet or do I have to buy a monitor?
[9:36] <PaulVern> anahumar, is remote access software like ssh or VNC an option?
[9:37] * Viper-7 (~viper7@ppp121-44-9-186.lns20.syd4.internode.on.net) Quit (Read error: Connection reset by peer)
[9:39] * kzard (~kzard@41.85.12.100) Quit (Ping timeout: 265 seconds)
[9:40] <Stephini> anahumar if you have an HDMI(did they all have HDMI or just the Bs?) model and an HDMI tv you can do that.
[9:45] * figment (~9@unaffiliated/skarn) Quit (Remote host closed the connection)
[9:45] * ctarx (~ctarx@p508FFF07.dip0.t-ipconnect.de) has joined #raspberrypi
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[9:51] * Viper-7 (~viper7@ppp121-44-80-253.lns20.syd4.internode.on.net) has joined #raspberrypi
[9:52] * djsxxx is now known as djsxxx_away
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[9:58] <Stephini> gahh... qemu wont even let me apt-get. >.<
[9:58] * sdel (~sdel@ip68-108-143-9.lv.lv.cox.net) Quit (Quit: Leaving)
[9:58] <Stephini> clear
[9:58] * skylite (~skylite@BC064339.dsl.pool.telekom.hu) has joined #raspberrypi
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[10:00] * djsxxx_away is now known as djsxxx
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[10:09] * anahumar (~mike@93.89.63.173) Quit (Ping timeout: 250 seconds)
[10:10] <kushal> Stephini, are you using the rpi image with qemu?
[10:10] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) has joined #raspberrypi
[10:13] * skarn (skarn@unaffiliated/skarn) Quit (Killed (orwell.freenode.net (Nickname regained by services)))
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[10:17] * TheKlap (~TheKlap@24.178.28.178) Quit (Read error: Connection reset by peer)
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[10:18] * owen_ (~owen@180.200.159.74) Quit (Quit: Konversation terminated!)
[10:18] * Alina-malina (~Alina-mal@unaffiliated/alina-malina) Quit (Read error: Connection reset by peer)
[10:20] * Lupinedk is now known as lupinedk
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[10:25] <Stephini> kushal i'm using 2.5 of retropie. already had it so i wouldn't hafta wait an hour for it to download.
[10:27] <Stephini> every time i try any commands i get> qemu: uncaught target signal 4 (Illegal instruction) - core dumped
[10:27] <Stephini> exit
[10:28] * harish (harish@nat/redhat/x-fshuwoqhodguaikf) Quit (Ping timeout: 245 seconds)
[10:34] * skylite_ (~skylite@business-178-48-4-145.business.broadband.hu) has joined #raspberrypi
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[10:39] * cellardoor (~quassel@unaffiliated/cellardoor) Quit (Quit: http://quassel-irc.org - Chat comfortably. Anywhere.)
[10:44] <kushal> oh
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[10:44] * darkbasic (~quassel@niko.linuxsystems.it) Quit (Read error: Connection reset by peer)
[10:45] <kushal> Stephini, I am trying the raspbian image, it is directly getting into a root shell
[10:48] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) Quit (Remote host closed the connection)
[10:48] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) has joined #raspberrypi
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[10:53] * granden (~granden@c-6e3d70d5.013-613-73746f28.cust.bredbandsbolaget.se) has left #raspberrypi
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[10:59] <Stephini> kushal i'll hafta try that.i'm in a root shell though i just can't issue any commands.
[11:04] * GentileBen (GentileBen@cpc5-lutn10-2-0-cust681.9-3.cable.virginm.net) Quit ()
[11:07] * BluRaf (~BluRaf@093105018083.lowicz.vectranet.pl) has joined #raspberrypi
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[12:13] <Stephini> maybe it's because i'm doing it in a terminal window in unity? or because i named the computer crosscompiler and the user crosscompiler and that's not what's on the default image? or because the guide is out dated?
[12:14] <ShorTie> did you search the logs ??
[12:14] <ShorTie> like i suggested
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[12:16] * fengling (~fengling@60.14.88.170) Quit (Quit: WeeChat 1.0)
[12:16] <Stephini> not yet. not even sure how. are they stored somewhere? i'm sure my logs don't go far enough back.
[12:16] * fengling (~fengling@60.14.88.170) has joined #raspberrypi
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[12:18] <ShorTie> go to google "shiftplusone cross site:http://srv.datagutt1.com"
[12:20] * xlogik (~xlogik@c-76-118-254-218.hsd1.ma.comcast.net) Quit (Ping timeout: 244 seconds)
[12:21] * cceleri (~cceleri@cpe-74-76-221-16.nycap.res.rr.com) has joined #raspberrypi
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[12:27] <ShorTie> you can add compile in there too...
[12:27] <ShorTie> or more i guess
[12:27] <ShorTie> if you want
[12:28] * bdavenport (~bdavenpor@aether.mindlesstux.com) Quit (Remote host closed the connection)
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[12:44] <cehteh> hi
[12:44] <cehteh> has the boot process somehow the option to select from differrnt kernels/initrds? i am too stupid to find documentation about that
[12:46] * cyanide (~cyanide@unaffiliated/cyanide) has joined #raspberrypi
[12:47] <cyanide> question. can the pi only be powered by the micro-usb port? or is there another way to supply the required 5v?
[12:47] * sphenxes01 (~sphenxes@193-81-146-21.adsl.highway.telekom.at) Quit (Quit: Leaving)
[12:47] * Y0sh1 (~Y0sh1@TiP01.theinternets.nl) Quit (Quit: OK, Doei!)
[12:48] <cyanide> the pi 2, in case that's relevant in any way
[12:48] * Y0sh1 (~Y0sh1@TiP01.theinternets.nl) has joined #raspberrypi
[12:49] <Lartza> cyanide: Only microUSB
[12:50] <cehteh> just guessing you can still feed 5V over the power rail on the pinheaders, may have less protection there. are the circruit diagrams of the pi2 available anywhere? that should make it clear
[12:50] <Lartza> And it also needs 2A besides that 5V if you start hacking :)
[12:50] <cyanide> not worried about protection. can do that upstream
[12:51] <cyanide> just can't find a good 2a adapter here
[12:51] * nerdboy (~sarnold@gentoo/developer/nerdboy) Quit (Ping timeout: 264 seconds)
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[12:51] <Lartza> I don't think power has changed that much in any version of the Pi so if there's diagrams for any version then
[12:51] <cyanide> all looks rubbish. might as well just use a bench smps
[12:52] <cehteh> https://www.adafruit.com/datasheets/pi2schem.pdf
[12:52] * BluRaf (~BluRaf@093105018083.lowicz.vectranet.pl) Quit (Quit: See ya!)
[12:53] <Lartza> I thought there was one of those since I saw one for the previous models
[12:53] <Lartza> Just couldn't find it :)
[12:53] <cyanide> pins 2,4 of the gpio port connected to 5v
[12:53] <cyanide> can use that
[12:53] <cehteh> yes
[12:54] <cyanide> cheers, thanks!
[12:54] <cyanide> i'll just use my bench power supply
[12:54] <cehteh> not fused but should work otherwise, happy frying :)
[12:55] <Lartza> Well he said he can do protection so :)
[12:55] * hadifarnoud (~hadifarno@162.13.47.212) Quit (Ping timeout: 264 seconds)
[12:55] <cyanide> the power adapters available here arent worth their weight of the outer rubbish plastic cover
[12:55] <Lartza> But yeah no fuse so you can fry the BCM
[12:55] * NullMoogleCable (~NullMoogl@cpe-74-74-136-123.rochester.res.rr.com) Quit (Ping timeout: 245 seconds)
[12:55] <cyanide> i'll use a 3a fuse
[12:56] <cehteh> ah at least the fuses on the (output) usb ports got completely removed
[12:57] <cehteh> on my old pi i had to bridge them :D
[12:58] * BluRaf (~BluRaf@093105018083.lowicz.vectranet.pl) has joined #raspberrypi
[13:00] <cyanide> anyone here used gentoo on the pi?
[13:03] <cyanide> Lartza, i see you have
[13:05] * Encapsulation (~Astoundin@c-75-67-50-34.hsd1.nh.comcast.net) has joined #raspberrypi
[13:05] <Encapsulation> why does my pi lose wifi and not reconnect?
[13:05] <Encapsulation> acting as the brains of my product that cant happen
[13:05] * MasterPiece (~MasterPie@unaffiliated/masterpiece) has joined #raspberrypi
[13:06] <cehteh> its wifi :D
[13:06] <cehteh> if you want something reliable then use a dedicated cable
[13:07] <cehteh> anyways .. you may check the logs/dmesg to see what happened
[13:07] <Encapsulation> my 2nd prototype has ethernet passed through the outside of the case
[13:07] <Encapsulation> I'll look at the logs to see if I can determine what happened
[13:07] <Encapsulation> once I disassemble to reconnect =D
[13:11] * user1138 (~user1138@unaffiliated/user1138) has joined #raspberrypi
[13:12] * MasterPiece (~MasterPie@unaffiliated/masterpiece) Quit (Remote host closed the connection)
[13:14] * devl547 (~Miranda@109.188.125.16) Quit (Quit: Miranda NG! Smaller, Faster, Easier. http://miranda-ng.org/)
[13:15] * PiZZaMaN2K is now known as PiZZaMaN2K|away
[13:16] <Lartza> cyanide: I did, what about it? :)
[13:19] <Datalink> blah, I hate it when I forget logins, I can't remember my login for Farnel...
[13:22] * MasterPiece (~MasterPie@unaffiliated/masterpiece) has joined #raspberrypi
[13:26] <Jck_true> Datalink: password123456
[13:26] * clever (~clever@nwcsnbsc03w-047054168014.dhcp-dynamic.FibreOP.nb.bellaliant.net) has joined #raspberrypi
[13:26] <Datalink> I need to change the password on my luggage... brb
[13:27] <Jck_true> Datalink: That password has worked for me years - And my friends and family are happy for all the email I send them :)
[13:27] <clever> was it 12345 ?
[13:27] <Jck_true> Whit links to all sorts of stuff
[13:28] <Datalink> clever, I was complaining I forgot my login for Farnel (Newark in the US) and he was suggesting a password :P
[13:29] * Macuser (~textual@unaffiliated/macuser) has joined #raspberrypi
[13:30] <Stephini> Datalink is your name scroob by chance? :P
[13:30] <clever> lol
[13:30] <Datalink> nope
[13:30] <Datalink> I'll figure it out
[13:30] <clever> i should probly shut this box off now, the UPS is getting low
[13:30] <Stephini> I cant believe i've actually met people who have never even heard of that movie or mel brooks. does that mean i'm old?
[13:30] <clever> its -16c outside, and the power just failed
[13:31] <clever> or not
[13:31] * xace (~noname@unaffiliated/xace) Quit (Quit: leaving)
[13:31] * Sir_Pony (~rawr@cpe-174-099-005-078.nc.res.rr.com) has joined #raspberrypi
[13:32] * maumushi (elia@faeroes.sdf.org) has joined #raspberrypi
[13:32] * darenasc (~darenasc@200-28-225-56.baf.movistar.cl) has joined #raspberrypi
[13:32] * ssvb (~ssvb@85-76-20-37-nat.elisa-mobile.fi) Quit (Ping timeout: 240 seconds)
[13:32] <Datalink> Stephini, it's sad people have not gotten the pleasure that is Mel Brooks' comedic mastery
[13:32] * c00ljs (~c00ljs@186.228.96.189) has joined #raspberrypi
[13:33] <Stephini> indeed.
[13:34] * ctarx (~ctarx@p508FE0AF.dip0.t-ipconnect.de) has joined #raspberrypi
[13:34] <Armand> Datalink: I was watching Spaceballs just the other night. :)
[13:34] * lupinedk is now known as Lupinedk
[13:35] <Armand> John Candy. ;_;
[13:35] <Datalink> it's great how a reference to changing the password on my luggage can induce nostalgia :D
[13:35] <Datalink> yeah ;.;
[13:37] * LucaS05 (~lucas05@host63-7-dynamic.58-82-r.retail.telecomitalia.it) has joined #raspberrypi
[13:38] * shum (~sdothum@207.112.100.227) has joined #raspberrypi
[13:40] <Stephini> gah. i swear i'll loose what little mind i have left before i figure out this cross compiling crap. every guide i find is outdated. either packages are not hosted where the guide claims anymore, steps are skipped or the packages just aren't available to ubuntu 14.04... >.<
[13:40] * ThKo (~ThKo@p4FED4AEA.dip0.t-ipconnect.de) has joined #raspberrypi
[13:41] * JlRd (~jlrd@ip68-110-113-182.ph.ph.cox.net) has joined #raspberrypi
[13:42] <Stephini> "Package 'blah' has no installation candidate" always fun to get. Basically "yeah we have what you want but your OS is to new so go frell yourself"
[13:42] * hadifarn_ (~hadifarno@31.59.86.30) Quit (Ping timeout: 246 seconds)
[13:43] <Datalink> Stephini, yeah, I hate cross compiling
[13:43] * hadifarnoud (~hadifarno@162.13.47.212) has joined #raspberrypi
[13:43] <Armand> I hate compiling. :P
[13:43] * m8 (~m@unaffiliated/m8) Quit (Quit: Sto andando via)
[13:43] <Stephini> Datalink, I dont think i'd mind cross compiling. it's settign up the blasted environment that is a PITA.
[13:44] <Datalink> I had a script aliased to make that'd adjust a BlinkM LED to light during the compile... and turn green when successful, was intending to make it go red when failed to tell me how the compile went
[13:44] <Datalink> but I've since lost my BlinkM :/
[13:44] <clever> and for some unknown reason, windows now refuses to boot
[13:44] <clever> power outage in the middle of a game, and now its unbootable
[13:45] * Macuser (~textual@unaffiliated/macuser) Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
[13:45] <Stephini> Datalink. I suppose that'd work if I didn't have a 3 year old who wanted to play on the pi most of the bloody day. sucks that emulationstation takes more time to compile than she sleeps.
[13:47] <clever> for some reason, it now has a 3rd harddrive, which it didnt have before
[13:47] <Datalink> Stephini, second one to compile?
[13:47] * utack (~utack@ip9234cb8c.dynamic.kabel-deutschland.de) has joined #raspberrypi
[13:47] <Datalink> clever, sounds like something happened to the file allocation table o.O
[13:47] * _Ulan (~Thunderbi@2.26.82.231) has joined #raspberrypi
[13:47] <Stephini> cant afford a second one. i actually just had to pay a 400 dollar bill after a 100$ paycheck.
[13:48] * _Ulan (~Thunderbi@2.26.82.231) Quit (Client Quit)
[13:48] <clever> Datalink: i edited the grub entry and now it boots, so its not FS level, its disk level
[13:48] <Datalink> clever, okay, MBR/GUID table...
[13:49] <clever> nope, it was hd2 -> hd2 in grub
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[13:49] <clever> hd2 -> hd1
[13:49] <clever> not the partition number within the hd
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[14:03] <kushal> Anyone here using retropi?
[14:03] <Stephini> kushal i am.
[14:04] <kushal> Stephini, going to try out for the first time, do you know if I can use a keyboard to play games?
[14:06] <Stephini> i'm guessing you dont have any controllers? you can use the keyboard in games but you can't navigate emulationstation with it.
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[14:16] <LucaS05> hi. sorry connection problems. As i've said is it possible to protype raspberry via software? like emulating all the components that i need for my project?
[14:17] <kushal> Stephini, yeah, also wondering which controller to buy
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[14:28] <Shapeshifter> Hi. I would like to control a small 12V pump using the raspberry pi. So far I've found out that I will need a mosfet, a gate resistor, a flyback diode and I will need to connect the ground of the rpi to the ground of the pump power supply. My question is wether this last bit is okay to do. basically, I would need to connect the GND pin of the rpi to the neutral cable of the 12V PSU. Sounds scary.
[14:28] <Matt> no, you don't want to do that :)
[14:29] <Matt> you don't want to hook things up to the mains/line side of a PSU under normal operation
[14:29] <Matt> you actually need to tie the gnd of the pi to gnd of the pump's PSU output
[14:30] <Stephini> kushal if you already have an xbox controller and adapter for use on the PC there are excelent drivers for that.
[14:30] <Matt> Stephini: ooh, I have one od those
[14:30] <Matt> I may have to play with retropi :)
[14:30] <kushal> Stephini, the wired one?
[14:30] <pksato> Shapeshifter: safe way (for beginers) is to use a relay. isolates pi and device on control.
[14:30] <Matt> pksato: I was about to suggest that :)
[14:30] <Stephini> a wired controller would work without an adapter. the wireless needs the adapter
[14:31] <Encrypt> Shapeshifter, Use an optocoupler ;)
[14:31] <Stephini> both work with both drivers but only xboxdrv supports the lights properly. with the out of the box one the lights will just blink.
[14:31] <pksato> have lots os relay modules for arduindo that work on RPi, after some adjusts (hw or software)
[14:31] <Shapeshifter> Matt: Yes, not the mains/line side of the PSU, I meant the V0 part of the 12V supply line coming from the power adaptor.
[14:31] <Encrypt> Shapeshifter, https://en.wikipedia.org/wiki/Opto-isolator
[14:32] <pksato> or a DC SSR.
[14:32] <Matt> also avoids any potential issues with ground loops and the like
[14:32] <Matt> SSR == Solid State Relay
[14:32] <Encrypt> Bistable relay :]
[14:32] <Stephini> the driver that comes with retropie works tho kushal even if the blinking lights are ugly as sin. switching to xboxdrv is also very easy and i could walk you through that.
[14:32] <Matt> and for switching a big inductive load like a pump, I'd be tempted to go that route
[14:32] <Encrypt> Good idea indeed
[14:33] <Shapeshifter> I see, so I go with an SSR and then I don't need the flyback diode anymore.
[14:33] <Matt> correct
[14:33] <Shapeshifter> thanks
[14:33] <kushal> Stephini, Thanks, I will try to get one controller as soon as possible
[14:33] <Matt> it also means you don't need to ensure the pump and the pi are the same power segment
[14:34] <kushal> Stephini, something like http://www.flipkart.com/microsoft-wired-controller-windows/p/itmdkzhyfgpm349g?pid=ACCDYH2ZFYHY5H9N&otracker=from-search&srno=t_1&query=xbox+controller+&ref=33813e7f-9ef0-4e0e-babe-0dee8fb51242 will do?
[14:35] <pksato> Shapeshifter: but, yes, need to connect GND (or commom) to some line on 12V power line. to +12V or 0V. depending that is commom reference.
[14:35] <Stephini> yeah that would work. i have no idea of 25 hundred Rs is a good deal. :P my currency of choice is USD and i personally wouldn't go above 20 for a wired. especially not since it's a generation old.
[14:36] <Shapeshifter> pksato: Do I still need to do this if I use a relay?
[14:36] <Matt> Shapeshifter: no, if you use a relay, you don't need to common reference
[14:36] <pksato> ah... yes and no.
[14:36] <Matt> a relay is basically an electricly/electronicaly controlled switch
[14:37] <pksato> yes: need to connect coil of relay to RPi, but, rpi not have power to drive.
[14:38] <Matt> traditional relays are just an electromagnet that controls a spring-loaded switch
[14:38] <Matt> energise the coil, and the switch closes
[14:38] <Matt> de-energise it, and the switch opens again
[14:38] <pksato> have a lot of blog about this subject.
[14:39] <kushal> Stephini, $20 is around Rs. 1200
[14:39] <Matt> but as pksato says, the gpio pins on the pi don't have enough grunt to drive a relay coil
[14:39] <Matt> but if you're using a decent 5V supply for the pi, it probably does
[14:40] <Matt> so you have the gpio pin feed a transistor, which drives the relay
[14:40] <Stephini> ahh then according to my local market and my personal value judgements it's a ripoff. but your local market and your determination could easily be different.
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[14:42] <Shapeshifter> But an opto-coupler doesn't need as much "grunt"
[14:42] <pksato> http://www.reuk.co.uk/OtherImages/connect-raspberry-pi-to-a-relay.jpg
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[14:42] <pksato> this is a basic way to controle relay or very small motor.
[14:43] <kushal> Stephini, :) Non microsoft ones are cheaper
[14:46] <Stephini> of course going 3rd party runs the risk that the drivers may not be compatible. though from what i read the drivers have strong third party support.
[14:50] * Lupinedk is now known as lupinedk
[14:51] <Payo> anyone try subsonic on the pi 2 yet ?
[14:51] <Payo> I'm trying right now with 2 users transcoding flac and it's working :O
[14:52] <Payo> I also tried 1 transcode while playing a full hd video in kodi, also works
[14:52] <Payo> :D
[14:52] <Shapeshifter> So, am I understanding this correctly that an opto-coupler would not work for me (controlling a 12V water pump) because the load current of the "output" side of the opto coupler doesn't support as much current (seens something like 20-100 mA).
[14:52] <Stephini> oh kushal in case your interested retropie has it's own irc over at #retropie where you can ask any retropie specific questions you may have.
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[14:53] <Shapeshifter> The pump probably draws more power, hence I need a relay?
[14:53] <SpeedEvil> Shapeshifter: yes
[14:53] <SpeedEvil> Shapeshifter: or some amplifier after the optoisolator
[14:53] <clever> you could also use a power mosfet after the optoisolator
[14:53] <clever> the mosfet would be operating on the motor gnd, isolated from the pi gnd by the optoisolator
[14:54] <Shapeshifter> clever: couldn't the optoisolator output side still be fried by a spike in this case?
[14:54] <clever> possibly, so i would keep the flyback diode
[14:55] <clever> and anyways, the opto is much cheaper then a pi, so you can easily replace it
[14:55] <Shapeshifter> yep
[14:55] <clever> its common to use cheap parts to protect a more expensive part
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[15:06] <Jck_true> Shapeshifter: Draws alot of power - And even more once it gets started
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[15:08] <clever> and there goes the power again
[15:10] <Jck_true> clever: People always seem to be short of power don't they?=
[15:10] <clever> and this time, the desktop was on a UPS
[15:10] <clever> so i can keep playing my games, lol
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[15:11] <Jck_true> I ruined my aluminium enclosure attempting to cut holes for my Pi :(
[15:11] <WACOMalt-web> Hey folks. If I have two disk images of different RasPi installs, is there any way to make them dual boot?
[15:11] <clever> dang, speakers are on the other socket though
[15:12] <WACOMalt-web> I have a Piratebox (Arch) and RasPlex (OpenELEC) image I want to be able to choose between
[15:12] <Jck_true> clever: I will stap you if you run your speakers off a UPS...
[15:12] <Stephini> WACOMalt-web, i think i heard of something called berryboot that does something like that.
[15:12] <clever> Jck_true: no need, the monitor has some internal speakers
[15:12] <clever> just had to move a speaker cord
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[15:12] <clever> and theres the low battery chirp
[15:13] <WACOMalt-web> berryboot, I've heard of that. wonder if it works with the img files or if I need the extracted contents of them
[15:13] <Stephini> it needs some special kind of image.
[15:13] <Stephini> but maybe you could figure out how to build them without to much work.
[15:13] <WACOMalt-web> Ok, I'll look into it. Thanks!
[15:13] <clever> i'm guessing it needs the rootfs, without the /boot
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[15:14] <clever> if you run losetup with -P you can access the partitions inside a .img
[15:14] <clever> and copy just the root one
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[15:14] <Stephini> i'm sure berryboot has a wiki that outlines what goes into making an image for it.
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[15:19] <Shapeshifter> Why does this guy use a transistor (MPS2222A) in this schematic between the GPIO port and the optoisolator? https://www.youtube.com/watch?v=pYENAGK8qH4 I mean, the GPIO provides 3.3V and the optoisolator draws 1.2V, why not just put a resistor between GPIO and the optocoupler and connect the optocoupler to ground?
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[15:21] <clever> Shapeshifter: havent seen the video yet, but things cant draw voltage
[15:21] <clever> they draw current
[15:21] <Shapeshifter> yes, sorry.
[15:21] <Jck_true> Shapeshifter: Is there a datasheet for the optoisolator?
[15:22] <clever> depending on how much current the opto takes, you may need a transistor to help boost it
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[15:22] <Stephini> i've been wondering if the RPI can't handle 5v in the GPIO why does it have 5v outputs?
[15:22] <Shapeshifter> http://pdf.datasheetcatalog.com/datasheet/Sharp/mXruvuu.pdf
[15:23] <Jck_true> Stephini: Because there's 5V on the board for USB - And the chip runs at 3V3
[15:23] <clever> Stephini: the only 5v output it has is directly connected to the 5v input
[15:23] <Shapeshifter> clever: current is 20mA
[15:23] <clever> Stephini: i often use the 5v 'output' on the gpio header to run the whole pi, bypassing the usb port
[15:23] <Jck_true> Shapeshifter: 16mA is max draw from a GPIO pin - With 50mA across all pins
[15:24] <Stephini> i've been trying to figure out how to wire up a db9 for use with atari and genesis controllers and everything i read says that if i wire a 5v to it i'll fry my pi but apparently the controllers need a 5v input. so i am stumped and no guides online seem to exist for db9 just for nes and snes.
[15:25] <Jck_true> Stephini: Get a level converter - They are pretty cheap in China :)
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[15:25] <Stephini> so i need a chip? there is no way to just do a direct wire like with the nes/snes?
[15:26] <clever> Stephini: the cheap answer, try running everything on 3.3v and see if it works
[15:26] * devyani7 (~devyani7_@110.227.5.60) Quit (Ping timeout: 240 seconds)
[15:27] <Jck_true> Stephini: The daredevil way is run it at 5V and pray it doesn't fry your pi :)
[15:27] <ozzzy> put a divider on all the pins on the pi that will be inputs
[15:27] <Stephini> another thing that has been a real head scratcher for me is am i allowed to use the named gpio ports for my own thing or does it mess things up to use them for things they aren't intended for?
[15:27] <clever> if you run everything on 3.3v, there is no where for the 5v to come from, so you just cant fry it
[15:27] <Jck_true> Stephini: What you mean? :)
[15:27] <clever> Stephini: depends on which one, some have special functions
[15:27] <clever> Stephini: name one
[15:27] <Stephini> yeah the special function ones are the named ones i mean
[15:28] <Stephini> the ones that aren't just gpio##
[15:28] <Stephini> looking up the pinout now
[15:28] <Stephini> i2c, uart, spi
[15:28] <clever> gpio 14/15 are the serial port, which is enabled by default, you would have to switch the alt function before you can use them as gpio
[15:29] <Jck_true> Stephini: Most of them can be used as regular GPIO pins - But you need to read the comments for those specific pins :)
[15:29] <clever> gpio 0/1 are for the i2c port, and have pull-up resistors on the board
[15:29] <clever> everything else i believe defaults to gpio mode, and you have to modify config.txt to use the alternate modes
[15:30] <Stephini> ok 14/15 is UART so that's serial port... i'm not seing 0/1 though
[15:30] <WACOMalt-web> clever what is losetup?
[15:31] <clever> WACOMalt-web: loopback device setup, a linux util to make it treat files as disk drives
[15:31] <clever> Stephini: they are labeled as SDA and SCL
[15:31] <Stephini> oh wait. 0/1 are on B but not A/B rev 2 or B+
[15:31] <clever> i have an old copy of the gpio list printed out
[15:31] <WACOMalt-web> So Id do this from inside the pi, or on a linux PC?
[15:31] <clever> WACOMalt-web: any linux pc would work
[15:32] <Stephini> http://raspi.tv/wp-content/uploads/2014/07/Raspberry-Pi-GPIO-pinouts.png << the pinout i'm reading from
[15:32] <clever> including the pi if you have a .img on the pi
[15:32] <WACOMalt-web> 00000000000000
[15:32] <clever> Stephini: ah, 2/3 there
[15:33] <WACOMalt-web> My pi cant get internet (at work) and so I cant download any OSes
[15:33] <Stephini> ok so SPI defaults to gpio you said?
[15:33] <clever> the SPI and i2c can be used as gpio without any changes
[15:33] <clever> you need to enable spi in config.txt now
[15:33] <clever> yeah
[15:33] <WACOMalt-web> can anyone with berryboot and an OS isntalled to it give me a screenshot of the directory structure?
[15:33] <clever> if its not enabled, the pins default to GPIO
[15:33] <Stephini> ok so then UART is the only one that i need to avoid when wiring my controllers.
[15:33] <clever> Stephini: you can also switch the uart to gpio if you wanted to
[15:34] <clever> if your short on pins and need every last one
[15:34] <clever> i2c is the only part that may have problems, there are pull-up resistors on the board
[15:34] <clever> so you cant use pull-down on your controller
[15:34] <Stephini> uart wouldn't be enough pins for me to make a ps2 addapter over serial would it? i think ps2 uses 6 pins for it's serial coneection assuming one is voltage and one is ground that's still 2 to many pins. no?
[15:35] <WACOMalt-web> ah, I found "copy OS from USB stick"
[15:35] <WACOMalt-web> looks for an img file
[15:35] <WACOMalt-web> ok, so new question, how can I shrink and img that used to take the whole card, to remove it's empty space.. and do it from a windows machine?
[15:35] <clever> Stephini: one min
[15:36] <clever> WACOMalt-web: either boot the image up on a pi, or install linux in a virtual machine
[15:36] <clever> all of the shrink tools are linux only as far as i know
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[15:36] <Stephini> oh i was wrong. 9 pins. way to many.
[15:36] <clever> Stephini: reading a page with instructions...
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[15:37] <Jck_true> Stephini: Depends what sort of UART... 95% of the time you only need GND, RX and TX
[15:37] <Stephini> WACOMalt-web could use virtualbox to run ubuntu and shrink the images. no?
[15:37] <clever> Stephini: the grey wire is for the vibration motor, the GPIO cant power that and you may not want it
[15:37] <clever> red is power, it may work only on 3.3v, lucky
[15:38] <clever> black is gnd
[15:38] <Jck_true> Stephini: Otherwise I linked you to china level converter in a /msg
[15:38] <clever> yellow, activate signal, green ack, brown data, blue clock
[15:38] <Stephini> ok with a light i can see my controller is missing pin 8. so that's another one we wouldn't need.
[15:38] <clever> Stephini: so you only need 4 GPIO to talk to it i believe
[15:39] <clever> http://store.curiousinventor.com/guides/PS2
[15:39] <Stephini> it would requre a more sophistocated script than jsut "when these circuit is completed do x" though right? :P
[15:39] <clever> yeah
[15:39] <clever> you have to clock out each bit
[15:39] <clever> but i suspect you could use the SPI port
[15:40] <Payo> anyone tried the debian jessie image yet ?
[15:41] <Stephini> so if i want to later expand to PS2 i should probably stick to nonspecial GPIO so long as i'm not hurting for pins.
[15:41] <clever> Stephini: ah, missed the command wire, so 5 GPIO needed
[15:41] * Fishy__ is now known as Fishy
[15:41] <clever> from a quick glance at this page, i think you could use the SPI interface, but you would need some testing to confirm that
[15:42] <Stephini> worst case scenario nes takes 5 per controller. so 10 and db9 takes if i recall only 5 or 6. so 22 worst case scenario.
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[15:42] <clever> another option, use the same set of GPIO for every controller port
[15:43] <clever> so the ps2 and snes both go to the same gpio pins
[15:43] <Stephini> wow guess i'm hurting for pins. no ps2 for me i guess.
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[15:43] <clever> as long as you only plug one in at a time, it works fine
[15:43] <clever> just re-configure the software to use the right protocol
[15:43] <Stephini> hrm that's a thought. there would be no way for the software to detect what i'm plugging though would there?
[15:43] <clever> depends on how you wire it up
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[15:45] <Stephini> oh shoot i forgot i wanted to wire the power switch to the pi to act as a keep alive signal so 2 pins are taken for that. i assume one will be ground though.
[15:45] * [-clever-]`ca (bishop@167.114.21.162) has joined #raspberrypi
[15:45] <[-clever-]`ca> Stephini: i think a UPS died on me
[15:46] <[-clever-]`ca> one way you can do it, route 3.3v, gnd, and ~7 GPIO to a DB9 connector
[15:46] <Stephini> ah only thing i said while you were away was <Stephini> oh shoot i forgot i wanted to wire the power switch to the pi to act as a keep alive signal so 2 pins are taken for that. i assume one will be ground though.
[15:46] <[-clever-]`ca> and then make several adapter boards, each one has DB9 on one side, and say PS2 on the other
[15:46] <[-clever-]`ca> and each one has a different non-protocol pin held high/low with resistors
[15:46] <[-clever-]`ca> so you can read the non-protocol pins to identify the adapter board
[15:46] * darenasc (~darenasc@200-28-225-56.baf.movistar.cl) Quit (Quit: darenasc)
[15:47] <Stephini> i kinda want plugging to be as natural as it can be. like you sit down in front of the RES(retro fitted NES to be a Retro Entertainment Center) plug in the controller for the emulator you are about to load up and play the game the way it's meant to be played. no fiddling with adapters. :P
[15:47] <[-clever-]`ca> ok, plan b
[15:47] <[-clever-]`ca> chop the connector off every controller
[15:47] <[-clever-]`ca> put db9's on all of them
[15:47] <[-clever-]`ca> then do what i said inside the db9
[15:48] <[-clever-]`ca> no adapter, but still the same ID system
[15:48] * ByteCrunch (~bitecrunc@bytecrunch.de) Quit (Max SendQ exceeded)
[15:48] <Stephini> it's definatly something to think about.
[15:48] <[-clever-]`ca> as an example, 2 pins dedicated to ID, gets you 4 unique codes
[15:48] <[-clever-]`ca> 00 01 10 11
[15:48] * clever (~clever@nwcsnbsc03w-047054168014.dhcp-dynamic.FibreOP.nb.bellaliant.net) Quit (Ping timeout: 240 seconds)
[15:49] <[-clever-]`ca> tie the ID0 and ID1 pin to gnd/3.3v with resistors, set the pi to input, and read the code
[15:49] <[-clever-]`ca> another thought
[15:49] <[-clever-]`ca> use the i2c pins for ID
[15:49] <[-clever-]`ca> the raspberry has pull-ups on the board, so if nothing is plugged in, you get 11
[15:50] <[-clever-]`ca> though you loose a code
[15:50] * ByteCrunch (~bitecrunc@bytecrunch.de) has joined #raspberrypi
[15:50] <Stephini> what are the DNC pins btw? i assume "do not connect" but if you aren't supposed to use them in ANY job why have them on the board?
[15:50] <[-clever-]`ca> the one between 5v and gnd was a 2nd ground pin
[15:51] <[-clever-]`ca> but now its more as a safety, so if you bend the 5v pin, it cant hit gnd and short out the board
[15:51] <Stephini> i dont see a DNC near the 5v pins.
[15:51] <Stephini> the ones i see are clear down at 27/28
[15:52] <[-clever-]`ca> ah, i'm looking at the b pinout
[15:52] <[-clever-]`ca> another plan, https://www.sparkfun.com/products/525
[15:52] <[-clever-]`ca> i2c eeprom, 256kbyte of storage
[15:52] <[-clever-]`ca> put one of those in the db9 for each controller
[15:52] <[-clever-]`ca> then you cant ever run out of ID's for different controllers
[15:54] <Jck_true> Should be enough storage for savegames also ;)
[15:54] * maumushi (elia@faeroes.sdf.org) Quit (Quit: leaving)
[15:55] <Jck_true> Stephini: Remember to put all this on Github when you are done on monday :)
[15:56] <[-clever-]`ca> hmmm, i got an hour left before the laptop battery goes flat
[15:57] <Jck_true> My boss just spend around 500$ on equipment to make our own PCB's (UV' lights and everything)
[15:57] * Kuunsi (kunsmannf@unaffiliated/kunsi) Quit (Ping timeout: 264 seconds)
[15:57] <Jck_true> ... Why can't he just use an Online PCB prototype service like everybody else sane...
[15:57] <[-clever-]`ca> depends on the volume your doing
[15:57] * WACOMalt-web (42cb1238@gateway/web/freenode/ip.66.203.18.56) has joined #raspberrypi
[15:58] * [-clever-]`ca is now known as clever
[15:58] <Jck_true> China does what.. 10 boards for what 50 USD?
[15:58] <clever> and you can probly get it at half that if you make it yourself
[15:58] * simiuskong (~simiuskon@2a01:348:99:158:255:215:77:1) Quit (Remote host closed the connection)
[15:58] <clever> $2.5 savings per board,
[15:58] <Jck_true> And spend how many hours on it?
[15:58] <clever> /e $calc(500/2.5) == 200
[15:59] <clever> so after 200 boards, you break even
[15:59] <RaTTuS|BIG> and how to to wait for the chinese boards to arrive
[15:59] <Jck_true> RaTTuS|BIG: That is of course the main thing
[15:59] <Jck_true> easy prototyping
[15:59] <clever> a lot of the sites i use will do full panel runs
[15:59] <clever> but your board doesnt fill a panel
[15:59] <Stephini> i personally want to etch my own boards because i'm a tactile person. i like doing things with my hands rather than buying stuff. :P
[15:59] <Jck_true> clever: So you request 10
[15:59] <clever> so you have to wait until other users submit enough to fill the panel, then they batch it
[16:00] <clever> Jck_true: then your costs go up to 10x what they where!
[16:00] <Jck_true> But with the salary of my boss.. It really doesn't add up...
[16:00] * mgottschlag (~quassel@reactos/tester/phoenix64) has joined #raspberrypi
[16:01] <Jck_true> My only legit is really fast prototyping
[16:01] <Jck_true> reason*
[16:01] <clever> yeah, you can pre-cut the board, and make smaller faster runs
[16:01] * BigShip (~mael@unaffiliated/bigship) has joined #raspberrypi
[16:01] <clever> but you dont need the UV stuff, just a laser printer, or even a laser cutter would do
[16:02] <clever> ive also recently seen mill based pcb runs
[16:02] <clever> using a cnc drill to carve up the copper layer
[16:02] <Jck_true> Seeedstudio.com does 10 PCB's 50x50mm 2 layer boards for $9.99
[16:03] <Jck_true> I wonder if I can sneak the design file off his computer and put in an order..
[16:03] <Jck_true> See if I can have the boards before he got his UV light stuff worked out...
[16:03] <clever> lol
[16:03] * fengling (~fengling@60.14.88.170) Quit (Ping timeout: 255 seconds)
[16:04] * Kuunsi (kunsmannf@unaffiliated/kunsi) has joined #raspberrypi
[16:04] <Bilby> well dang
[16:05] <Bilby> I installed 14 rasbperry pis on wall-mount monitors for a client, they've been having nonstop problems with corrupt SD cards
[16:05] * iyogeshjoshi (~iyogeshjo@110.227.5.60) Quit (Ping timeout: 252 seconds)
[16:05] <cyanide> lol
[16:05] <Bilby> both they and I came to the same hypothesis by different means - power - and sure enough a test rig running on a good PSU has been totally stable
[16:06] * darenasc (~darenasc@mail.formulisa.cl) has joined #raspberrypi
[16:06] <clever> Bilby: my main fix for sd corruption, mount the fs read-only
[16:06] * fengling (~fengling@60.14.88.170) has joined #raspberrypi
[16:06] <clever> if your never starting a write, you cant corrupt it
[16:06] <Bilby> the pis are powered by one of those USB outlets and they even bought the larger amperage, but that seems to be it
[16:06] <Bilby> clever they've been in read-only since october or so, didn't help
[16:06] <clever> weird
[16:06] <Bilby> also tried different brands and better quality SD cards. eats them like cookie monster
[16:06] <clever> i think the b+'s have a low power warning ont he display as well
[16:07] <Jck_true> Bilby: Check the cable also - Cheap cable will drop a considerable amount of voltage :)
[16:07] * t0x0sh (~tosh@t0x0sh.org) has joined #raspberrypi
[16:08] * renegade8164 (~renegade8@h197n8-vn-a11.ias.bredband.telia.com) has joined #raspberrypi
[16:10] * GentileBen (GentileBen@cpc5-lutn10-2-0-cust681.9-3.cable.virginm.net) has joined #raspberrypi
[16:13] * lazy_prince is now known as killer_prince
[16:13] * clever starts planning alternate heating solutions
[16:13] * NGC3982 read 'beating'
[16:15] <clever> furnace needs 7 amps at 120vac to run
[16:15] <clever> inverter supplies 1500 watts
[16:15] <clever> /e $calc(120*7) == 840
[16:15] <clever> just barely fits
[16:15] * WACOMalt-web (42cb1238@gateway/web/freenode/ip.66.203.18.56) Quit (Ping timeout: 246 seconds)
[16:18] <Bilby> Jck_true cables are ~8" long
[16:18] <Bilby> plus the test rig is using the same one :) only variable we changed was the power supply
[16:19] <Bilby> clever what are you doing with an inverter and a furnace?
[16:19] * Wegz (~Shittlemi@cpe-98-144-123-251.wi.res.rr.com) has joined #raspberrypi
[16:20] <clever> Bilby: the power is out
[16:20] <Bilby> :(
[16:20] <clever> and the furnace needs 110 to run
[16:20] <Bilby> 7A @ 120VAC sounds low for furnace and blower...
[16:20] <Bilby> I'm assuming it's gas or propane
[16:20] <clever> it says ~5.6 amps on the side of the blower
[16:21] <clever> and ~0.7 amps on the water pump
[16:21] <Bilby> Most motors are going to have a higher start-up current, inverters don't like motors :/ Worth a try maybe
[16:21] <clever> round up, add, 7amps
[16:21] <Bilby> what can you run the inverter from? idle a car?
[16:21] <clever> yeah, the fridge gave the inverter trouble last time
[16:21] <clever> yep
[16:22] <clever> the inverter would kick out every time the fridge tried to start up
[16:22] <clever> last summer when the 48 hour outage happened
[16:23] * hadifarn_ (~hadifarno@31.59.86.30) has joined #raspberrypi
[16:25] * simiuskong (~simiuskon@2a01:348:99:158:255:215:77:1) has joined #raspberrypi
[16:25] <clever> and nobody bothered to label the breaker for the furnace
[16:25] <clever> last thing i want is for them to turn the power on when i got my hands in it :P
[16:26] * hadifarnoud (~hadifarno@162.13.47.212) Quit (Ping timeout: 246 seconds)
[16:27] * taza (~taza@unaffiliated/taza) has joined #raspberrypi
[16:29] * krnlyng (~liar@83.175.90.24) has joined #raspberrypi
[16:29] <clever> Bilby: ok, ive got a 120v plug off an old cord, rated at 15 amps
[16:29] * manitou (~manitou@unaffiliated/manitou) has joined #raspberrypi
[16:29] <clever> the inverter and jumper cables are located
[16:30] <clever> jeep is already by the window
[16:30] <clever> nothing left to do but wait until it hits 10 degrees indoors, lol
[16:31] <Bilby> hah
[16:31] <Bilby> you should be fine, just make sure your breaker for the furnace (and preferably for the house) is OFF
[16:32] <Bilby> how are you internetting? mobile data + battery?
[16:33] * krelo (~krelo@dsl3-209.uninet.ee) Quit (Quit: ZZZzzz…)
[16:34] <clever> Bilby: the wireless router has a normal UPS on it along with the router itself
[16:34] <clever> and the modem has a built-in battery, for 911 service to work during outages
[16:35] * zburns (~zburns@mail.katzmidas.com) has joined #raspberrypi
[16:35] <clever> internet/phone/tv all comes in over a single fiber modem
[16:35] <clever> so the phones are running off my own power, not the phone co's
[16:35] <clever> and to maintain 911 during an outage, the voip box has its own battery
[16:36] <clever> i also discovered, when the battery runs low, it disables the internet, to ensure the phone keeps working
[16:36] * SiC (~Simon@193.37.225.144) has joined #raspberrypi
[16:36] <clever> i also happen to be accessing IRC in the most round-about way possible
[16:36] <clever> i had VNC open to a windows server on the web, lol
[16:37] <clever> so when things do finaly fail, this connection will stay up, i just wont be able to reply
[16:37] * Datalink (Datalink@unaffiliated/datalink) Quit (Read error: Connection reset by peer)
[16:38] <clever> every breaker that isnt labeled has already been shut off, so the furnace is dead dead now
[16:38] <BigShip> clever: did you shut the water off to flush the pipes?
[16:39] <Bilby> Cool
[16:39] <clever> BigShip: nope, and the handle is missing on that valve
[16:40] <clever> and its burried behind the dryer
[16:40] * amigojapan (~amigojapa@c119045.net21845.cablenet.ne.jp) Quit (Quit: amigojapan)
[16:40] * hadifarnoud (~hadifarno@162.13.47.212) has joined #raspberrypi
[16:40] <BigShip> clever: pull out the dryer and grab a wrench. You're going to seriously regret not turning it off if you don't have heat
[16:40] <clever> it also leaks massively when you turn the stem
[16:41] <BigShip> clever: get a bucket?
[16:41] <clever> its inside a finished wall, a bucket wont fit
[16:41] * hadifarn_ (~hadifarno@31.59.86.30) Quit (Ping timeout: 264 seconds)
[16:41] <clever> somebody wasnt thinking ahead when they finished the basement
[16:41] * darenasc (~darenasc@mail.formulisa.cl) Quit (Quit: darenasc)
[16:42] * n-st (~n-st@2001:470:7272:0:3807:45bd:da3:935e) Quit (Remote host closed the connection)
[16:42] * githogori (~githogori@c-50-156-63-248.hsd1.ca.comcast.net) has joined #raspberrypi
[16:42] * BigShip head hits desk
[16:43] * SpeedEvil is now known as Guest1767
[16:43] * BitEvil (~quassel@tor/regular/SpeedEvil) has joined #raspberrypi
[16:43] * clever_ (~clever@nwcsnbsc03w-047054168014.dhcp-dynamic.FibreOP.nb.bellaliant.net) has joined #raspberrypi
[16:43] * Guest1767 (~quassel@tor/regular/SpeedEvil) Quit (Ping timeout: 245 seconds)
[16:43] <clever_> mirc is just too painfull to use long-term, lol
[16:43] <BigShip> clever: try setting your RPi up with irssi in a screen. Pis make great always on IRC boxes :)
[16:44] <clever_> BigShip: i was doing exactly that with a desktop downstairs, which also ran many other services
[16:44] * nimoot (~HomoSapie@unaffiliated/toomin) has joined #raspberrypi
[16:44] <clever_> the UPS failed mid-sentence
[16:44] * clever is now known as clever`afk
[16:44] * clever_ is now known as clever
[16:45] <BigShip> clever: do what I do and stick your RPi in a hidden corner at a university (where they tend not to lose power)
[16:45] <clever> the pi's keep getting taken apart for various expriments, so its not good for long-term stuff
[16:45] <clever> i have a server online that could also run the irssi stuff, but i try to keep irssi local for latency reasons
[16:45] <clever> line-editing gets tricky under high lag
[16:46] <clever> hmmm, have to fix the dns config now
[16:46] <clever> the irssi box i mentioned also ran dns for the LAN
[16:47] * Qatz (~DB@2601:6:4a80:5d6::90) Quit (Remote host closed the connection)
[16:47] * ByteCrunch (~bitecrunc@bytecrunch.de) Quit (Ping timeout: 264 seconds)
[16:49] <clever> kindle fixed
[16:49] * DexterLB (~dex@79-100-23-137.btc-net.bg) Quit (Read error: Connection reset by peer)
[16:51] <clever> half an hour left on the laptop, and the brightness controls are broken
[16:54] * DexterLB (~dex@77-85-7-160.btc-net.bg) has joined #raspberrypi
[16:55] * UKn0Meh (~UKn0Me@CPE-120-145-133-160.lnse2.pie.bigpond.net.au) has joined #raspberrypi
[16:56] * UKn0Me (~UKn0Me@CPE-60-228-32-46.lns6.ken.bigpond.net.au) Quit (Ping timeout: 272 seconds)
[16:58] * moyish (53f92a85@gateway/web/freenode/ip.83.249.42.133) has joined #raspberrypi
[16:59] * darkbasic (~quassel@niko.linuxsystems.it) Quit (Quit: No Ping reply in 180 seconds.)
[17:00] <moyish> Ive a few questions regarding using a fan with the raspberry pi 2, if anyone with knowledge would care to help. I just purchased a 5V, 0.2A fan and mounted it on top of the CPU and it works great so far, running around 31C
[17:00] * Bozza (~Bozza@unaffiliated/bozza) Quit (Remote host closed the connection)
[17:00] * darkbasic (~quassel@niko.linuxsystems.it) has joined #raspberrypi
[17:01] <moyish> However, my questions are a) could this harm the GPIO pins (I read that somewhere on the forums) and b) the fan is running at fullspeed, is it possible to somehow script it in a way, not to use fullspeed unless the temp goes above 50C or so
[17:01] <ali1234> how did you connect it up?
[17:01] <Encrypt> +1
[17:02] * Delboy (~openwrt@214-12.dsl.iskon.hr) Quit (Ping timeout: 246 seconds)
[17:02] <moyish> Like this: http://g04.a.alicdn.com/kf/HTB1gFYrHXXXXXc8XVXXq6xXFXXXe/201953843/HTB1gFYrHXXXXXc8XVXXq6xXFXXXe.jpg
[17:02] <moyish> It has 2 pins
[17:02] <Encrypt> Oh, directly to the 5V and GND pins
[17:02] <ali1234> so directly to 5V and GND
[17:02] <moyish> yeah
[17:02] <Encrypt> No problem then
[17:02] <moyish> oh, nice
[17:02] <ali1234> it will probably be okay, as long as you don't plug loads of stuff in to the USB
[17:03] <ali1234> but you can't control the speed
[17:03] <moyish> Yeah, I only got an external HDD connected to it which has its own source of power
[17:03] <moyish> Oh, I cant?
[17:03] <ali1234> no you would have to use different pins for that
[17:03] <skyroveRR> Nope.
[17:03] <moyish> Perhaps I could connect it to a 3.3V pin and a GND?
[17:03] <ali1234> NO
[17:03] <Encrypt> Nope nope nope!
[17:03] <moyish> oh
[17:03] <Encrypt> moyish, That would fry the Broadcom chip
[17:04] <moyish> I see, thanks for the heads up
[17:04] <Encrypt> That's almost a shortcut
[17:04] <ali1234> also if you want it to run slower you should use PWM
[17:04] <skyroveRR> moyish: 3.3V won't cool your pi.. the speed will be inadequate.
[17:04] <Encrypt> moyish, But you can make an electronics circuit
[17:04] <moyish> power width modulation
[17:04] <moyish> but how?
[17:04] <clever> pulse!
[17:04] <Sonny_Jim> moyish: It's very, very unlikely that you actually need the fan
[17:04] <Encrypt> Using a transistor to switch the 5V
[17:04] * bombuzal (~dani@unaffiliated/bombuzal) has joined #raspberrypi
[17:04] <moyish> PULSE** sorry
[17:04] <moyish> :P
[17:04] <Encrypt> (Or a mosfter)
[17:04] <Encrypt> mosfet*
[17:05] * eXtremo (~eXtremo@unaffiliated/extremo) Quit (Read error: Connection reset by peer)
[17:05] <Sonny_Jim> Unless you are seeing chip temperatures above 85c it's not doing anything
[17:05] <moyish> something like this? http://www.raspberrypi.org/forums/download/file.php?id=5242
[17:05] <clever> some fans have a dedicated pwm pin, seperate from the power pin
[17:05] <clever> but they may not be easy to find
[17:05] <Encrypt> BTW moyish :p
[17:05] <ali1234> moyish: basically yes but you do need a couple of other components in that circuit
[17:05] <Encrypt> 5V @0.2A = 1W
[17:05] <Encrypt> The Pi approximately consumes 3W
[17:06] <moyish> Yeah, thats correct
[17:06] <moyish> ok
[17:06] <Encrypt> So, that is 25% of the power to cool the chip x)
[17:06] * eXtremo (~eXtremo@unaffiliated/extremo) has joined #raspberrypi
[17:06] <Encrypt> Not that worth
[17:06] <moyish> Well my power source has a total of 10W (5v * 2 A)
[17:06] <ali1234> moyish: you should use multimeter to measure the stall current of that fan as well
[17:07] <ali1234> if PWM'd it will use less power of course
[17:07] <moyish> I see
[17:07] <moyish> theres no way to control it though, with a python script or similar?
[17:07] <ali1234> not without extra components no
[17:07] <moyish> Like, if it hits 50C, turn on the GPIO pins or something similar
[17:07] <ali1234> sure you can do that
[17:08] <ali1234> GPIO pin cannot supply enough power to drive a fan though
[17:08] <moyish> alright
[17:08] <moyish> so it seems I would be better off, not using a fan?
[17:08] <ali1234> yeah
[17:08] * Delboy (~openwrt@89-164-127-39.dsl.iskon.hr) has joined #raspberrypi
[17:08] <omfgtora_work> yeah
[17:09] <moyish> tbh my plan was to fool around a little, and try OC the cpu to frequencies around 1200 MHz and thought I would need a fan to keep the temps down
[17:09] * ethlor (~ethlor@75-172-66-224.tukw.qwest.net) has joined #raspberrypi
[17:09] <moyish> but perhaps its not worth it
[17:09] <Encrypt> Eh eh :p
[17:09] <moyish> :P
[17:09] * Lasliedv (~kvirc@94-21-127-117.pool.digikabel.hu) Quit (Quit: KVIrc 4.2.0 Equilibrium http://www.kvirc.net/)
[17:09] <Encrypt> Then, a heatsink with the fan would be a good idea
[17:09] <omfgtora_work> heatsink?
[17:09] <omfgtora_work> external fan?
[17:09] <moyish> Yeah, I have both currently
[17:09] <moyish> but not externally, no
[17:10] <moyish> Oh, what about this..
[17:10] <Encrypt> omfgtora_work, http://www.kiwi-electronics.nl/image/cache/data/products/raspberry-pi/raspberry-pi-heat-sink-kit-3-800x533.jpg
[17:10] * PovAddict (~nicolas@kde/nalvarez) has joined #raspberrypi
[17:10] <omfgtora_work> mineral bath?
[17:10] <moyish> I have an old rpi 1 B, perhaps that one could supply the fan ;)
[17:10] <PovAddict> morning
[17:11] <clever> !ping
[17:11] <clever`afk> clever: Pong!
[17:11] <clever`afk> [clever PING reply]: 27799milisec
[17:11] * ethlor (~ethlor@75-172-66-224.tukw.qwest.net) Quit (Max SendQ exceeded)
[17:12] <clever> and low battery, bye all
[17:12] * clever (~clever@nwcsnbsc03w-047054168014.dhcp-dynamic.FibreOP.nb.bellaliant.net) Quit (Quit: leaving)
[17:12] <turtlehat> is it possible to set the search provider in the default web browser in raspbian?
[17:13] <Encrypt> moyish, You may want that: http://regmedia.co.uk/2013/05/07/wet_pi.jpg
[17:13] <Encrypt> :D
[17:13] * darkelda (~darkelda@unaffiliated/darkelda) has joined #raspberrypi
[17:14] <moyish> Encrypt, that looks slightly disturbing..
[17:14] <Encrypt> :D
[17:14] <moyish> the "wet" pi
[17:14] <moyish> with pink liquid
[17:14] <omfgtora_work> http://www.overclock.net/t/1404207/extreme-cooled-raspberry-pi
[17:15] <moyish> ive seen that thread in the past
[17:16] <Encrypt> moyish, Or even: https://www.youtube.com/watch?v=dKA2PLR_kp4
[17:16] <Bilby> w.... why?
[17:16] <Bilby> looks very "because I can"
[17:16] <omfgtora_work> i mean, it sounds simple
[17:17] <Encrypt> Bilby, The question is not "why?" but "why not?" :D
[17:17] <Bilby> ah, obviously. :P
[17:17] <omfgtora_work> fill up something that can be attached to the pi with liquid dust remover
[17:17] <moyish> theres no better motto than "because I can"
[17:17] <omfgtora_work> sounds much easier than trying to get another pi to run a fan
[17:17] * v0lt_ (~textual@unaffiliated/v0lt/x-7782577) has joined #raspberrypi
[17:19] * Syliss (~temp@dpncorp1.digitalpath.net) has joined #raspberrypi
[17:19] <Bilby> the real question is, why hasn't anyone done a mineral oil submersion build yet
[17:19] * darkelda (~darkelda@unaffiliated/darkelda) Quit (Ping timeout: 252 seconds)
[17:20] * turtlehat (~dingus@home.b3nny.eu) Quit (Remote host closed the connection)
[17:20] * cyanide (~cyanide@unaffiliated/cyanide) Quit (Quit: you guys suck)
[17:20] * Keanu73 (~Keanu73@unaffiliated/keanu73) has joined #raspberrypi
[17:21] * turtlehat (~dingus@home.b3nny.eu) has joined #raspberrypi
[17:21] <turtlehat> can anyone ever truly change the default search provider in "web browser" in raspbian?
[17:22] * felixjet_ (~felixjet@210.Red-79-155-49.dynamicIP.rima-tde.net) has joined #raspberrypi
[17:25] * felixjet (~felixjet@210.Red-79-155-49.dynamicIP.rima-tde.net) Quit (Ping timeout: 250 seconds)
[17:26] <omfgtora_work> turtlehat: no idea, never attempted it
[17:27] * Aboba (~Bob@201-085.camosun.bc.ca) has joined #raspberrypi
[17:29] * abnormal (~abnormal@ip-64-134-71-183.public.wayport.net) has joined #raspberrypi
[17:29] * a5m0 (~a5m0@unaffiliated/a5m0) Quit (Read error: Connection reset by peer)
[17:29] * a5m0 (~a5m0@unaffiliated/a5m0) has joined #raspberrypi
[17:29] <woodyj21> Bilby: like this? www.thingiverse.com/thing:296414
[17:29] * argakiig_lost (~argakiig@unaffiliated/argakiig) Quit (Ping timeout: 265 seconds)
[17:30] * Smrtz (~Smrtz@unaffiliated/smrtz) has joined #raspberrypi
[17:30] * LazyLausi is now known as LazyLausi|Away
[17:30] <woodyj21> although upon inspection, it might be heat sealed :(
[17:30] <omfgtora_work> yes!
[17:31] <omfgtora_work> awww..
[17:31] <woodyj21> coulda swore I saw an actual submersion project awhile back tho
[17:31] * argakiig (~argakiig@unaffiliated/argakiig) has joined #raspberrypi
[17:32] * bortzmeyer (~stephane@2a01:e35:8bd9:8bb0:21e:8cff:fe76:29b6) has joined #raspberrypi
[17:32] * simiuskong (~simiuskon@2a01:348:99:158:255:215:77:1) Quit (Remote host closed the connection)
[17:32] <woodyj21> liquid-cooling.org/catagory/liquid-immersion-cooling/ then there's this
[17:33] <Bilby> page not found?
[17:33] * markfletcher (~markfletc@38.99.193.90) has joined #raspberrypi
[17:33] <Bilby> category
[17:34] <Encrypt> Do you know is the guy who made a weather station with a Raspberry Pi is here?
[17:34] <Encrypt> He sent a picture here about a year ago I'd say, and I was really impressed :)
[17:35] * cave (~various@h081217074129.dyn.cm.kabsi.at) has joined #raspberrypi
[17:35] <anunnaki> is there a default password for root when you ssh into your pi? i know default pw for user pi is raspberry
[17:35] <abnormal> yes, and they are in magazines now
[17:35] <Encrypt> It was using a eink display
[17:35] <Encrypt> abnormal, There is no default password
[17:35] <Encrypt> You have to set it if you want to use the root access
[17:37] * tiktuk (~tiktuk@4507ds4-ynoe.0.fullrate.dk) has joined #raspberrypi
[17:37] <Bilby> anunnaki most modern linux builds have a random root password because it's such a security risk logging in as root
[17:38] <Bilby> you can type sudo passwd if you want to set one
[17:38] * basti (~basti@p57BDF67A.dip0.t-ipconnect.de) has joined #raspberrypi
[17:39] <anunnaki> i think i locked myself out of root/sudo access on my visudo file.. anyway i can edit that file as user?
[17:41] * manitou (~manitou@unaffiliated/manitou) Quit (Ping timeout: 252 seconds)
[17:41] * Giddles (~i@unaffiliated/giddles) has joined #raspberrypi
[17:41] <Giddles> ehm hey
[17:41] <Giddles> ppl who helped me maniac to install motion and pi's and so on
[17:42] <Giddles> is a higher widght and height for the picture using my motion bad for camera health?
[17:42] * simiuskong (~simiuskon@2a01:348:99:158:255:215:77:1) has joined #raspberrypi
[17:42] <woodyj21> Bilby: thanks, hand-copying urls :(
[17:43] * GerhardSchr (~GerhardSc@unaffiliated/gerhardschr) has joined #raspberrypi
[17:44] * PhotoJim (jim@2001:4978:116::222:2) has joined #raspberrypi
[17:44] * moyish (53f92a85@gateway/web/freenode/ip.83.249.42.133) Quit (Quit: Page closed)
[17:45] * BitEvil is now known as SpeedEvil
[17:46] <Bilby> I feel your pain
[17:46] <Bilby> usually have 2+ computers and a mobile device, and always end up with a string on the 'wrong' system
[17:47] <woodyj21> yup.
[17:47] * darkbasic (~quassel@niko.linuxsystems.it) Quit (Quit: No Ping reply in 180 seconds.)
[17:47] * darkbasic (~quassel@niko.linuxsystems.it) has joined #raspberrypi
[17:49] * BluRaf (~BluRaf@093105018083.lowicz.vectranet.pl) Quit (Quit: See ya!)
[17:49] * simiuskong (~simiuskon@2a01:348:99:158:255:215:77:1) Quit (Remote host closed the connection)
[17:50] * Noldorin (~noldorin@unaffiliated/noldorin) has joined #raspberrypi
[17:50] <abnormal> Encrypt, I was talking about the weather station you mentioned...
[17:51] <Encrypt> abnormal, Oh, it is in a magazine?
[17:51] * manitou (~manitou@unaffiliated/manitou) has joined #raspberrypi
[17:51] <Encrypt> Which one?
[17:52] <abnormal> many of them can't remember which ones, I have so many pi mags it ain't funny...lol
[17:52] * Mikelevel (~MoVeWoRk@unaffiliated/mikelevel) has joined #raspberrypi
[17:52] * markit (~marco@host179-38-static.243-95-b.business.telecomitalia.it) Quit (Quit: Konversation terminated!)
[17:52] <abnormal> try the raspberry pi geek mag first...
[17:53] * rodrigograca31 (uid41821@gateway/web/irccloud.com/x-ygatxwafbuhngosg) has joined #raspberrypi
[17:53] * HerpTheDerpyWhal (~UKn0Me@indigo.hybridragon.net) has joined #raspberrypi
[17:53] <rodrigograca31> Hi!
[17:54] <Bilby> Hieeeeee! ^___^
[17:54] <Bilby> kawaii!!!!
[17:54] <Bilby> *cough* sorry, I had a little neko in my throat
[17:55] <abnormal> lol
[17:55] <abnormal> wb
[17:55] <PovAddict> meow Bilby
[17:55] * UKn0Me (~UKn0Me@cpe-120-145-133-160.lnse2.pie.bigpond.net.au) has joined #raspberrypi
[17:55] <abnormal> roar, Bilby
[17:56] * qubitnerd (~neutrino@unaffiliated/electron/x-8286743) has joined #raspberrypi
[17:56] * bombuzal (~dani@unaffiliated/bombuzal) Quit (Ping timeout: 245 seconds)
[17:57] * UKn0Meh (~UKn0Me@CPE-120-145-133-160.lnse2.pie.bigpond.net.au) Quit (Ping timeout: 272 seconds)
[17:57] <rodrigograca31> I have a .img file with 8GBs... but I want to write it to a 4GB sdcard... It has 8GB because was created using "dd" and copied the blank space... so, how can I remove this blank space?
[17:58] * HerpTheDerpyWhal (~UKn0Me@indigo.hybridragon.net) Quit (Ping timeout: 272 seconds)
[17:58] <abnormal> gparted?
[17:59] * clever (~clever@nwcsnbsc03w-047054168014.dhcp-dynamic.FibreOP.nb.bellaliant.net) has joined #raspberrypi
[17:59] <PovAddict> yeah it's non-trivial, you need to resize the filesystem properly and edit the partition table
[17:59] <clever> Bilby: and it seems i was not 'safe' by shutting off every unknown breaker
[17:59] <clever> the furnace came to life while i was on the couch, its on the same breaker as the sockets
[18:00] <abnormal> wow, I'd redo that circuit.
[18:00] <abnormal> put furnace on it's own circuit
[18:01] <clever> power is still unstable
[18:01] <clever> its reading between 100 and 104 volts
[18:01] <abnormal> that is very dangerous... call electrician asap
[18:01] <PovAddict> eh
[18:02] <abnormal> anything below 115V is not acceptable.
[18:02] <clever> 106
[18:02] <clever> any time it gets near 100, the UPS downstairs chirps
[18:02] <SpeedEvil> Unless you're in Japan
[18:02] <PovAddict> I get low voltage regularly
[18:02] <clever> canada
[18:03] * djhworld (~djhworld@gatek.thls.bbc.co.uk) Quit (Quit: My Mac has gone to sleep. ZZZzzz…)
[18:03] <PovAddict> should get 220v, can get down to 190v if the weather is hot and the whole city is using air conditioners
[18:03] <abnormal> get some solar panels up and batteries in place
[18:03] <rodrigograca31> PovAddict: how can I do that? It's using Gparted? I don't see any option for that....
[18:03] <clever> abnormal: there is 4 feet of snow in the yard
[18:03] <abnormal> I have 2.4 feet
[18:04] * graungaard (~graungaar@93-164-171-26-static.dk.customer.tdc.net) has joined #raspberrypi
[18:04] <abnormal> in NY
[18:04] <clever> as for batteries, a simple 2 hour outage managed to kill every UPS in the house
[18:04] <abnormal> of courst
[18:04] <clever> first the gaming rig, then the 2 servers
[18:04] <rodrigograca31> PovAddict: I don't gave the original "system" only the .img with the blank space...
[18:04] <PovAddict> my UPS only lasts like 15 minutes, it's just enough to let me shutdown cleanly
[18:04] <clever> and the power came back on right as the router UPS was starting to loose its voice from chirping solid for 20mins
[18:05] <abnormal> lol
[18:05] <abnormal> lucky
[18:05] <clever> the once solid chirp was starting to waver
[18:05] <clever> i think the internal power source was unstable
[18:05] <Bilby> clever i'd turn off the mains and just wait. as they turn things on the power is gonna be weird
[18:06] <clever> yeah, it was already glitching out before this second outage
[18:06] <clever> short bumps that made the lights blink
[18:06] <clever> looks like its slowly ramping up, 110
[18:06] <abnormal> get a Generac back up unit
[18:07] <Bilby> I want two gensets - a little inverter rig for quiet / small stuff and a big-assed one for "it's gonna be a week"
[18:07] <clever> i was just going to hotwire the the furnace into an inverter, and then wire it to an idling car
[18:07] * jlf (~user@pdpc/supporter/active/jlf) Quit (Ping timeout: 240 seconds)
[18:08] * nimoot (~HomoSapie@unaffiliated/toomin) Quit (Ping timeout: 250 seconds)
[18:09] <abnormal> are the wires in ground or on poles up there?
[18:09] <clever> for an hours drive in any direction
[18:09] <clever> above-ground, but the map shows the entire region dead
[18:09] <abnormal> wow
[18:10] <clever> ~2 hours if you go east
[18:10] <Bilby> clever if you do that make sure the main power is off! if you electrocute an electrician you're gonna have a bad time
[18:10] <abnormal> so you'd better get a Generac back up unit in place...
[18:10] <clever> Bilby: i was going to fully disconnect the furnace from the wall, and put a normal 120 plug on it
[18:10] <Bilby> I'm sure every hardware store between him and I is out of generators right now lol
[18:10] <clever> then just hook it into an extension cord running to the inverter
[18:10] <Bilby> okay, that would be safe
[18:11] <Bilby> every year in snow areas there's some idiot who back-wires a house's breaker box and zaps some poor lineman :()
[18:11] <clever> now i know, breaker 11 is the furnace, the one labeled 'basement'
[18:11] <abnormal> lol
[18:11] <clever> which also powers atleast 1 UPS (it chirped when i checked it)
[18:12] <clever> i should probly flip the rest of the breakers on now
[18:12] <clever> up to 113 volts
[18:12] <Bilby> that's within tolerance
[18:12] <Bilby> ... ish
[18:12] <clever> 111
[18:13] <clever> next up, anybody remember how to turn the dpms on/off without X?
[18:13] <abnormal> is the wiring in your house ok?
[18:13] <clever> abnormal: 100 amp service, and there is hockey stick tape on a few of the junctions
[18:13] <abnormal> lol
[18:13] <clever> the lights always dim when the furnace kicks in
[18:13] <abnormal> yeh, time to upgrade
[18:14] * TAOE (~TAOE@c-75-75-8-2.hsd1.va.comcast.net) has joined #raspberrypi
[18:14] <clever> the garage has its own 200 amp service
[18:14] <clever> previous owner did a lot of welding
[18:14] <abnormal> lol
[18:14] <rodrigograca31> PovAddict: ?
[18:14] <clever> the garage is also fuse based
[18:14] <clever> totaly backwards
[18:14] <abnormal> switch the service entrance breaker boxes
[18:14] * dreamon (~dreamon@unaffiliated/dreamon) Quit (Ping timeout: 246 seconds)
[18:14] * PovAddict (~nicolas@kde/nalvarez) Quit (Quit: Konversation terminated!)
[18:14] <abnormal> brb
[18:15] <clever> abnormal: seperate building, at the other end of the yard
[18:15] <clever> i would need 20 or 30 meters of 2 phase 200 amp cable
[18:16] * rambo123456 (~user@192.241.195.251) has joined #raspberrypi
[18:16] * dreamon (~dreamon@unaffiliated/dreamon) has joined #raspberrypi
[18:17] <anunnaki> is there a recovery mode for the pi that allows you to drop to root shell?
[18:17] <Bilby> 100A isn't bad for a house, it's been the default for a long time and it's not like he has to run multiple AC units :P
[18:18] <clever> anunnaki: i think the kernel-rescue file in /boot does that, but you need to edit config.txt to select it
[18:18] <clever> Bilby: zero AC units, its northern canada :P
[18:18] <Bilby> exactly :P
[18:19] * Keanu73 (~Keanu73@unaffiliated/keanu73) Quit (Quit: Leaving)
[18:19] <Bilby> my mother's house in Texas had 100A main and 3 central air units, so it was pretty stressed. Canada? not so much, assuming gas heat and decent insulation
[18:19] <clever> oil heating, and horid insulation
[18:19] * djsxxx is now known as djsxxx_away
[18:19] <Bilby> ouch. so you're paying more for heat than basically anything else
[18:20] <clever> basement lost ~3 degrees over 2 hours
[18:20] <clever> i checked the stickers on the blower and water pump, it totals to about 7 amps
[18:20] <clever> single phase
[18:21] <clever> it also doubles as the hot water heater, so there is no need to blow electricity on that
[18:22] * Keanu73 (~Keanu73@unaffiliated/keanu73) has joined #raspberrypi
[18:23] <ozzzy> northern canada means nothing... we had a 5 ton unit at work in Fort Simpson and it struggled to keep up
[18:23] * dreamon (~dreamon@unaffiliated/dreamon) Quit (Ping timeout: 240 seconds)
[18:24] * ukgamer is now known as ukgamer|away
[18:24] <anunnaki> what does one do if you lock user pi from using sudo? right now all the fixes on google require root access which i cant get atm
[18:25] <clever> anunnaki: mount the card on another linux system where you do have root
[18:25] <clever> the pi can be used, if you have a second working card and a usb reader
[18:25] <anunnaki> ah totally forgot about my card reader
[18:26] * manitou (~manitou@unaffiliated/manitou) Quit (Quit: Konversation terminated!)
[18:26] * manitou (~manitou@unaffiliated/manitou) has joined #raspberrypi
[18:26] <clever> plan a, mount the card, repair sudoers, umount, done
[18:27] <clever> plan b, chroot it and then you can do anything, including setting a root pw so you can fix it more easily next time
[18:29] <clever> brb
[18:29] * skyroveRR (~skyroveRR@unaffiliated/skyroverr) Quit (Read error: Connection reset by peer)
[18:30] * kisak (~kisak@unaffiliated/kisak) has joined #raspberrypi
[18:30] * clever (~clever@nwcsnbsc03w-047054168014.dhcp-dynamic.FibreOP.nb.bellaliant.net) Quit (Remote host closed the connection)
[18:30] * skyroveRR (~skyroveRR@unaffiliated/skyroverr) has joined #raspberrypi
[18:32] * clever (~clever@nwcsnbsc03w-047054168014.dhcp-dynamic.FibreOP.nb.bellaliant.net) has joined #raspberrypi
[18:32] <abnormal> just bought the new raspberry pi geek mag... he heh
[18:32] <clever> (doh), ran shutdown on the wrong box!
[18:32] * skyroveRR (~skyroveRR@unaffiliated/skyroverr) Quit (Read error: Connection reset by peer)
[18:32] <clever> was trying to get the dual-boot into linux
[18:32] <abnormal> I have all the issues since 1st one... heh heh..
[18:33] <clever> hit the server instead
[18:33] * skyroveRR (~skyroveRR@unaffiliated/skyroverr) has joined #raspberrypi
[18:35] <abnormal> aww, dang... sorry
[18:35] <clever> i havent restarted any services yet
[18:37] <abnormal> yeh, better get a Generac back up unit asap... you'd be a lot happier...
[18:38] <clever> "2015-02-12 13:38:40 bedroom temp: 19.75c(67.55f), kitchen: 21.25c(70.25f), living room: 21.62c(70.93f), outdoor: -8.69c(16.36f) VCC: over 4.5 volts portb: 00000000"
[18:38] * veonik_ is now known as veonik
[18:38] <clever> cacti graphs for room temp should be up again
[18:39] <clever> windows hates the screen shortcuts
[18:39] <clever> i cant ctrl+a,tab at my usual speed
[18:39] <abnormal> wow
[18:39] <abnormal> critical
[18:39] <clever> it drops the tab
[18:40] * nitdega (~nitdega@2602:306:2421:bc81:511c:3fe6:5b81:eccc) Quit (Ping timeout: 245 seconds)
[18:41] <clever> i think thats all of the services
[18:41] <rodrigograca31> abnormal: I'm using GParted like "gksu gparted /dev/loop0" or "sudo gparted /dev/loop0" when I try to aply the changes it says: "you must have r/w access to the filesystem or be root" (i've done "sudo chown root:root file.img" and it's the sma eresult..)
[18:41] <clever> the permissions on the file.img dont matter, its going by the ownership of loop0
[18:42] <clever> though you ran it with sudo, so it should have worked
[18:42] * Aboba (~Bob@201-085.camosun.bc.ca) Quit (Ping timeout: 252 seconds)
[18:42] * nitdega (~nitdega@2602:306:2421:de11:8103:c527:e6f4:898a) has joined #raspberrypi
[18:43] <kisak> anyone recall how long it took from release for the RPi B+ to have stock available at a reasonable price?
[18:45] * mike_t (~mike@80.234.79.82) Quit (Remote host closed the connection)
[18:45] <kisak> (or how long it took for the pre-ordering to end)
[18:45] <abnormal> they should be in stock at www.newark.com or www.adafruit.com
[18:46] * GentileBen (GentileBen@cpc5-lutn10-2-0-cust681.9-3.cable.virginm.net) Quit ()
[18:46] * Xano (~bart@092-111-222-050.static.chello.nl) Quit (Quit: Xano)
[18:46] <kisak> right, I'm asking so I can make a reasonable guess as to how long I should wait until actively looking for a RPi2
[18:48] <abnormal> you can wait if you like... I am not going to buy one for a long time to make sure there are no problems with them.. Or at least a next revision of the B-2
[18:48] * Saphyel (~charlie@81.202.153.234.dyn.user.ono.com) Quit (Remote host closed the connection)
[18:49] <clever> abnormal: like the laser reboot issue
[18:49] <abnormal> they seem to be ok as long as you don't use flash that causes them to reboot
[18:49] <abnormal> yes
[18:49] <clever> even a laser pointer can do it
[18:50] <abnormal> some ppl have been putting bubble gum over the chip, lol
[18:50] * cranvil (~cranvil@2a02:8108:9640:13dc:cda8:9ae9:8347:7683) has joined #raspberrypi
[18:51] <clever> that chip was probly never designed to be so naked, it was meant to have a case
[18:51] * carlsimpson (~carlsimps@cpc21-ward9-2-0-cust32.10-2.cable.virginm.net) Quit (Ping timeout: 264 seconds)
[18:51] * cyanide (~cyanide@unaffiliated/cyanide) has joined #raspberrypi
[18:51] <kisak> yeah, that fun little quirk doesn't bother me
[18:51] <abnormal> yes as some say, put an opaque case on those pi's
[18:51] * blaz000 (~blaz000@213.249.204.2) Quit (Quit: Leaving)
[18:52] * NullMoogleCable (~NullMoogl@cpe-74-74-136-123.rochester.res.rr.com) has joined #raspberrypi
[18:53] <kisak> is it just the BCM2836 that has the bad reaction, or is it an overall design thing?
[18:53] <cyanide> i think that's a feature
[18:54] <abnormal> just the one chip.. not the rest of it.. the pi is ok if you use a black case over it.. It will be just fine..
[18:55] <clever> kisak: its the 3.3v regulator, not the cpu
[18:55] * Keanu73 (~Keanu73@unaffiliated/keanu73) Quit (Quit: Leaving)
[18:55] <clever> the tiny shiny chip near the usb input
[18:55] <clever> its shiny because thats a naked hunk of silicon!
[18:55] * dreamon (~dreamon@unaffiliated/dreamon) has joined #raspberrypi
[18:55] * carlsimpson (~carlsimps@cpc21-ward9-2-0-cust32.10-2.cable.virginm.net) has joined #raspberrypi
[18:56] <cyanide> so is the bcm chip running on 3.3v?
[18:56] * BluRaf (~BluRaf@93.105.18.83) has joined #raspberrypi
[18:56] <abnormal> even a piece of black electrical tape over it will protect it
[18:56] * veonik is now known as veonik_
[18:56] <clever> cyanide: 3.3 and 1.8 i think
[18:56] <clever> 1.8 for the cpu core, 3.3 for the final io outputs
[18:57] <cyanide> ok
[18:57] <kisak> interesting, happen to know the label on the board? U3?
[18:57] <clever> kisak: U16 i believe
[18:57] <ali1234> U16
[18:57] <sivteck> u15
[18:58] * ssvb (~ssvb@85-76-20-37-nat.elisa-mobile.fi) Quit (Ping timeout: 252 seconds)
[18:58] <sivteck> u16*
[18:58] <clever> and the majority vote says 16!
[18:58] * githogori (~githogori@c-50-156-63-248.hsd1.ca.comcast.net) Quit (Ping timeout: 252 seconds)
[19:00] <Sonny_Jim> From what I recall, everything on the Pi runs at 3.3v
[19:00] <clever> except the network chip and the usb port
[19:01] <clever> and there is a minor complication with the 1.8v cpu core voltage
[19:01] <clever> the diode drop of a normal regulator, to go from 3.3v->1.8v is too steep, your loosing half your power almost
[19:01] <rodrigograca31> abnormal: ?
[19:01] <pksato> not only 5v and 3v3, have 1v8, 1v3 and variable.
[19:02] <clever> so the bcm2835 takes 5v directly in, and has an internal switching regulator to generate the 1.8v core
[19:02] <clever> ah, so its the 1.8 and 1.3 that are made the way i just described
[19:03] * carlsimpson (~carlsimps@cpc21-ward9-2-0-cust32.10-2.cable.virginm.net) Quit (Ping timeout: 246 seconds)
[19:03] <abnormal> yes?
[19:03] <abnormal> I'm here
[19:04] * rambo123456 (~user@192.241.195.251) Quit (Remote host closed the connection)
[19:04] <clever> Bilby: up to 117, nearly back to normal
[19:04] * carlsimpson (~carlsimps@cpc21-ward9-2-0-cust32.10-2.cable.virginm.net) has joined #raspberrypi
[19:04] <abnormal> nice
[19:05] * GerhardSchrr (~GerhardSc@unaffiliated/gerhardschr) has joined #raspberrypi
[19:05] <abnormal> my dad wanted to get the army generator like the ones in the Mash show.. they run on diesel...
[19:06] <clever> hmmm, is ipv6 back up...
[19:06] <clever> forgot to even run the up script, lol
[19:06] * UKn0Meh (~UKn0Me@CPE-121-215-1-28.lnse1.pie.bigpond.net.au) has joined #raspberrypi
[19:07] <clever> and the http box isnt on yet...
[19:08] * GerhardSchr (~GerhardSc@unaffiliated/gerhardschr) Quit (Ping timeout: 265 seconds)
[19:08] <Bilby> clever yay power!
[19:08] <Bilby> do you have a tractor with a PTO shaft?
[19:08] <Bilby> those are the best generators
[19:08] * simiuskong (~simiuskon@2a01:348:99:158:255:215:77:1) has joined #raspberrypi
[19:08] * rambo123456 (~rambo1234@32.97.110.53) has joined #raspberrypi
[19:08] <abnormal> WW one generator
[19:09] <abnormal> lol
[19:09] * SiC (~Simon@193.37.225.144) Quit (Ping timeout: 245 seconds)
[19:10] * githogori (~githogori@69.181.171.157) has joined #raspberrypi
[19:10] * UKn0Me (~UKn0Me@cpe-120-145-133-160.lnse2.pie.bigpond.net.au) Quit (Ping timeout: 272 seconds)
[19:10] <ali1234> clever: ooh, an update
[19:10] * ukgamer|away is now known as ukgamer
[19:10] <clever> bios battery is shot
[19:10] <clever> so the bios wanted me to confirm settings
[19:11] <clever> there was no monitor plugged in!
[19:11] <ali1234> what does rpi-update actually do?
[19:11] <clever> ali1234: it fetches new firmare and kernel, along with the modules
[19:11] <clever> and overwrites all of /opt/
[19:11] * sudormrf (~sudormrf@unaffiliated/sudormrf) has joined #raspberrypi
[19:11] * chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) Quit (Remote host closed the connection)
[19:11] <clever> i sometimes make changes to the demo app, then loose them to it
[19:11] <sudormrf> any of you guys know anything about the lead time for raspi2's from AE?
[19:12] <ali1234> so is it reversible?
[19:12] <clever> Bilby: no trackor, my best option is a 1500 watt inverter on an idling car
[19:12] <clever> ali1234: it doesnt make any backups, but you could make note of the old revision and then tell rpi-update to downgrade you
[19:12] <ali1234> i mean can i go back to just using apt?
[19:12] * manitou (~manitou@unaffiliated/manitou) Quit (Ping timeout: 246 seconds)
[19:13] <clever> yeah
[19:13] <clever> next time apt has an update, it will overwrite what rpi-update did
[19:13] <clever> you could also possibly tell apt to re-install the firmware files
[19:13] <ali1234> you can tell apt to force reinstall
[19:14] <clever> i recently hosed my last remaining apt box in the house
[19:14] <clever> i had the entire dpkg database on lvm
[19:14] * atomi (~atomi@71-83-179-177.dhcp.lnbh.ca.charter.com) Quit (Remote host closed the connection)
[19:15] <clever> and one of the drives failed :P
[19:15] <clever> so now apt has no clue what version everything is
[19:15] <abnormal> oops
[19:15] <abnormal> shudda wrote it down
[19:15] <clever> too many version numbers!
[19:15] <abnormal> I know
[19:15] <abnormal> hard to keep track
[19:16] <ali1234> clever: if you missed it, i finished the teletext app: https://www.youtube.com/watch?v=G39IF8Ul9oU & https://www.youtube.com/watch?v=iRK2mItOT70
[19:16] <sudormrf> guess not
[19:17] <abnormal> I bought a blank book and write in it all the stuff for linux and rpi's called the Linux bible..
[19:18] * Aldem (~Aldem@unaffiliated/aldem) Quit (Quit: Leaving)
[19:18] * _Trullo (guff33@90-231-188-142-no124.tbcn.telia.com) has joined #raspberrypi
[19:18] <clever> ali1234: nice
[19:18] <_Trullo> VL-62754 - MIPS® Creator CI20 shipped.
[19:19] <ali1234> my 18650 charger box arrived to day so i might be back to doing robot stuff for a bit :)
[19:20] <Sonny_Jim> A teletext app?
[19:20] <Sonny_Jim> O_o
[19:20] <Sonny_Jim> Can it play Bamboozle?
[19:20] <ali1234> Sonny_Jim: yes
[19:21] <Sonny_Jim> Can I cheat by pressing the red/green/blue/yellow buttons quickly?
[19:21] <ali1234> yes
[19:21] <Sonny_Jim> Then it's 100% compatible :-)
[19:21] <clever> lol
[19:21] * BluRaf (~BluRaf@93.105.18.83) Quit (Quit: See ya!)
[19:21] <ali1234> yes, it is
[19:21] * atomi (~atomi@71-83-179-177.dhcp.lnbh.ca.charter.com) has joined #raspberrypi
[19:21] <clever> ali1234: that live output seemed to be loaded with jitter
[19:21] <ali1234> in fact it can replay any teletext broadcast and also do unintended things like crash your TV
[19:21] <clever> was that the capture system?
[19:22] <ali1234> clever not sure, i don't see any jitter
[19:22] <clever> second video
[19:22] <ali1234> oh, no that's the idle filler function
[19:22] * wiiguy (fake@unaffiliated/wiiguy) has joined #raspberrypi
[19:22] * dli (~dli@tamaggo-fw.isp.ip4b.net) has joined #raspberrypi
[19:22] <ali1234> it's only sending a couple of pages so it is idle most of the time
[19:22] <clever> when you ran showlive.py
[19:22] <ali1234> yes
[19:23] <ali1234> if you mean the horizontal offset, that's a design limitation of the bt878 VBI capture
[19:23] <clever> ah
[19:23] * MasterPiece (~MasterPie@unaffiliated/masterpiece) Quit (Remote host closed the connection)
[19:23] * simiuskong (~simiuskon@2a01:348:99:158:255:215:77:1) Quit (Remote host closed the connection)
[19:23] <ali1234> it's actually mentioned in the datasheet :)
[19:23] <clever> ive noticed a weird issue with my pvr-150 card
[19:24] <clever> about 80% of the way to the right, there is 2 dashed lines, from the top of the screen right to the bottom
[19:24] <clever> its like the card only has enough buffer for ~6 scan-lines, and a few of the bytes are damaged
[19:24] * simiuskong (~simiuskon@2a01:348:99:158:255:215:77:1) has joined #raspberrypi
[19:24] <clever> so as the image flows thru that 6 line buffer, it draws a dashed line on the image
[19:25] <ali1234> could be
[19:25] <imbezol> has anyone ever seen a solution to see the video output of a pi over IP?
[19:25] <imbezol> it'd be neat to be able to virtually connect a monitor to a remote pi
[19:26] <imbezol> like pipe video output to vnc or something
[19:26] <ali1234> imbezol: it should be possible if you have the magic drivers
[19:26] <clever> imbezol: ive seen a vnc server on the forums that uses dispmanx_snapshot to get the post-compositing result
[19:26] <ali1234> dispmanx could write to the GPU video encoder, instead of the pixel valve
[19:26] <ali1234> and then you stream it the same way you would stream the camera
[19:26] <clever> a userland app could also just constantly screen-shot with dispmanx_snapshot, and then feed the encoder
[19:27] <clever> but it would use more cpu power
[19:27] <ali1234> the hardware should be capable of this in theory, but of course you won't be able to do it unless broadcom is feeling cooperative
[19:27] <imbezol> i wish the pi had something built in for this
[19:27] <imbezol> so that you could even see it during bios, or when the os won't boot
[19:27] <ali1234> it doesn't have a bios
[19:27] <imbezol> is it efi?
[19:27] * Aldem (~Aldem@unaffiliated/aldem) has joined #raspberrypi
[19:28] <ali1234> no, it is proprietary
[19:28] <imbezol> don't know much about the boot process
[19:28] <clever> the rom on the chip will load bootcode.bin from the SD card into the L1 cache
[19:28] <imbezol> i'd like to colo a large number of pis..
[19:28] <clever> bootcode.bin turns on the ram, and loads start.elf
[19:28] <imbezol> trying to think how i'd manage them remotely later
[19:28] <clever> start.elf then loads the kernel
[19:28] <imbezol> i can have them boot from lan
[19:28] <clever> start.elf is responsible for the rainbow pattern, linux handles all of the graphics&text generation
[19:28] <imbezol> would need to figure out how to at the very least power cycle them
[19:29] <imbezol> should be able to do that with a master controller pi that operates a series of relays
[19:29] <ali1234> what is the difference between start.elf and start_x.elf?
[19:29] <ali1234> and start_cd.elf?
[19:29] <clever> not sure, just different versions for special cases
[19:29] <clever> i think they arent used anymore
[19:30] <clever> pretty sure you have to rename them to activate, bootcode.bin isnt smart enough to ask
[19:30] <imbezol> i'm thinking it would be fun to take a 4U server case.. hollow it out except for a power supply.. bolt in a gigabit switch, and a couple dozen pis
[19:30] <imbezol> then colo the 4U case :)
[19:30] <clever> imbezol: rather then power cycle, i would use the reset pin
[19:30] <imbezol> one pi could be the control station.. another the router
[19:30] <clever> much lower power, and you can likely tie all of the reset pins to the gpio on a master
[19:30] <imbezol> clever: ya that would work
[19:31] * abnormal (~abnormal@ip-64-134-71-183.public.wayport.net) Quit (Ping timeout: 246 seconds)
[19:31] <ali1234> ugh... this rpi-update thing is messing with files in /lib too
[19:31] * abnormal (~abnormal@ip-64-134-71-183.public.wayport.net) has joined #raspberrypi
[19:31] <imbezol> it'd be funny to essentially colo 24 systems in one server's case
[19:31] * bizarro_1 (~bizarro_1@199.Red-88-19-178.staticIP.rima-tde.net) has joined #raspberrypi
[19:31] * punzada (~pi@ool-43523a33.dyn.optonline.net) has joined #raspberrypi
[19:32] * doomlord_1 (~textual@host31-51-108-109.range31-51.btcentralplus.com) has joined #raspberrypi
[19:32] <imbezol> 24 might be optimistic for a 4U case
[19:33] * Dragonkeeper (~dragonkee@cpc2-gill2-0-0-cust69.20-1.cable.virginm.net) Quit (Ping timeout: 246 seconds)
[19:34] <ali1234> i'm pretty sure you could fit 24 raspis in a 1U case
[19:34] * CustosL1men (~CustosLim@unaffiliated/cust0slim3n) Quit (Ping timeout: 245 seconds)
[19:34] * rambo123456 (~rambo1234@32.97.110.53) Quit (Remote host closed the connection)
[19:35] <imbezol> 4U you mean?
[19:35] <ali1234> no, 1U
[19:35] <imbezol> and a switch?
[19:35] <imbezol> and power supply big enough to run them all?
[19:36] <ali1234> it might be tight with that stuff but i think it is doable
[19:36] * Aldem (~Aldem@unaffiliated/aldem) Quit (Quit: Leaving)
[19:36] <Armand> Sounds doable.
[19:36] <Armand> Probably a tight squeeze though.
[19:37] <imbezol> the place i'm thinking charges the same for 1U to 4U so no biggy
[19:37] <imbezol> anything over 4U there's as surcharge
[19:37] <Armand> Shame we only do colo for big clients.
[19:37] <clever> how is maintaince handled when doing colo?
[19:37] <Armand> ^ Contracts
[19:37] <clever> or even something as simple as oops i did shutdown -h
[19:38] <clever> can you push the on button? :P
[19:38] <imbezol> depends on the place
[19:38] <Armand> Indeed.
[19:38] <imbezol> some have control of your power port with a login
[19:38] <Armand> Most of the colos we use are local.
[19:38] <imbezol> you could cycle it
[19:38] * Aldem (~Aldem@unaffiliated/aldem) has joined #raspberrypi
[19:38] <Armand> So it's fairly quick to just drive/walk and push the button. :)
[19:38] <imbezol> you'd generally set up a server to turn on when it gets power
[19:38] <clever> and if the bios is setup to boot after power loss, cycling the socket works
[19:39] <clever> all of my systems downstairs are set that way
[19:39] <clever> but the stupid bios keeps asking me to fix the date/time
[19:39] * Keanu73 (~Keanu73@unaffiliated/keanu73) has joined #raspberrypi
[19:39] <Armand> I don't know if DRAC enables remote powerup ?
[19:40] <imbezol> yeah it does
[19:40] * lucasub (~luca@host14-177-dynamic.0-87-r.retail.telecomitalia.it) has joined #raspberrypi
[19:41] <Armand> I don't play with DRAC often, little need. :)
[19:41] * lucasub (~luca@host14-177-dynamic.0-87-r.retail.telecomitalia.it) has left #raspberrypi
[19:42] <imbezol> http://www.raspberrypi.org/forums/viewtopic.php?f=98&t=74447
[19:42] <imbezol> that guy talks about putting 120 of them in a 1U case
[19:42] <imbezol> but that'd never work because they are taller on their side than a 1U casve
[19:43] <Armand> And of course, horizontal space wouldn't fit into a rack either.
[19:43] <imbezol> can only be 19" wide
[19:43] <Armand> 1U is too short for two layers.
[19:44] * exobuzz (~xbuzz@2001:470:1f09:1970:10f5:a9c2:76c4:c901) has joined #raspberrypi
[19:44] <imbezol> i'd just use a 4U because then i could put in fans and keep everything cool
[19:44] <Armand> ^ +++++++++
[19:44] <imbezol> have room to actually run networking and power etc
[19:44] <Armand> That's my plan for the ODroid cluster.
[19:44] <imbezol> bbiab, lunch
[19:44] <Armand> .o/
[19:45] * Lasliedv (~kvirc@94-21-127-117.pool.digikabel.hu) has joined #raspberrypi
[19:46] * mythos (~mythos@unaffiliated/mythos) Quit (Ping timeout: 264 seconds)
[19:46] * graungaard (~graungaar@93-164-171-26-static.dk.customer.tdc.net) Quit (Remote host closed the connection)
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[19:55] <clever> (doh), fridge still lacks power
[19:56] <Armand> clever: You forgot to feed the hamsters ?
[19:56] <kisak> get some minions on generator bikes
[19:56] <clever> forgot to turn its breaker back on
[19:57] <clever> i had shut off every unlabeled breaker, so i could hotwire the furnace without them turning the power on with my hands in it
[19:57] <clever> turns out, the furnace is on the breaker labeled 'basement', along with several computers
[19:57] <clever> one of the few i left on
[19:58] <kisak> hvac on the same circuit as computers? that's asking for trouble
[19:59] <clever> it does solve the question of why the UPS often chirps when the blower kicks in
[19:59] * ch007m_2 (~chm@ip-213-49-111-238.dsl.scarlet.be) has joined #raspberrypi
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[20:00] <clever> kisak: and hvac doesnt apply, it lacks AC and ventilation, lol
[20:00] * ch007m_2 (~chm@ip-213-49-111-238.dsl.scarlet.be) Quit (Client Quit)
[20:00] <clever> its heat only
[20:02] * ch007m (~chm@ip-213-49-111-238.dsl.scarlet.be) Quit (Ping timeout: 252 seconds)
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[20:06] * ch007m (~chm@ip-213-49-111-238.dsl.scarlet.be) Quit (Client Quit)
[20:08] * Encrypt (~Chuck-nor@AMontsouris-553-1-72-10.w92-151.abo.wanadoo.fr) Quit (Quit: Eating time!)
[20:11] * BluRaf (~BluRaf@093105018083.lowicz.vectranet.pl) has joined #raspberrypi
[20:11] * UKn0Me (~UKn0Me@CPE-121-215-1-28.lnse1.pie.bigpond.net.au) Quit (Ping timeout: 246 seconds)
[20:11] * Armen (~Armen138@i.am.armen138.com) has joined #raspberrypi
[20:11] * TheWarden (~chatzilla@S010608bd43aaeb24.ss.shawcable.net) has joined #raspberrypi
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[20:17] <Armen> hi
[20:18] * mythos (~mythos@unaffiliated/mythos) has joined #raspberrypi
[20:18] <Armen> where would one go to buy a raspberry pi in a brick+mortar store in the US?
[20:18] * Obzy_ (~Obzy@unaffiliated/obzy) Quit (Ping timeout: 245 seconds)
[20:19] * RaTTuS|BIG (~Rattus.bi@35.152-253-62.static.virginmediabusiness.co.uk) Quit (Read error: Connection reset by peer)
[20:19] * githogori (~githogori@69.181.171.157) Quit (Ping timeout: 245 seconds)
[20:19] <punzada> Armen: MicroCenter is a good spot if you have a local one
[20:20] <Sonny_Jim> Radioshack!
[20:20] <Sonny_Jim> (sorry)
[20:20] <Armand> lol
[20:20] * Obzy_ (~Obzy@unaffiliated/obzy) has joined #raspberrypi
[20:20] <Armand> Radioshack is dead now ?
[20:20] <Armen> punzada: I'll be in the US on vacation next month, since taxes+shipping up here (Canada) seems to double the price, I thought I'd pick a couple up while I'm down there
[20:20] <Armand> Or, at least on the way out ?
[20:20] <Sonny_Jim> Pretty sure you can get Pi's in Canada
[20:21] * m8 (~m@unaffiliated/m8) has joined #raspberrypi
[20:21] <Sonny_Jim> Or at least, I'd be amazed if there wasn't a Canadian distributor
[20:21] <Armand> I'm hoping my wife can pick me up some kit before she leaves the US.. Screw import tax. :P
[20:21] <Armen> Sonny_Jim: of course there is, at 70$ for the B+
[20:21] * ch007m (~chm@ip-213-49-111-238.dsl.scarlet.be) has joined #raspberrypi
[20:21] <Sonny_Jim> How much is the US price?
[20:22] <Armen> 40 I think
[20:22] <Sonny_Jim> Oh ok
[20:22] <Armen> I have an old model B, but it's busy monitoring my garage door and I miss something to tinker with
[20:23] <doomlord_1> any of you have a 'banana-pi' ?
[20:23] <Armand> Yup
[20:23] <Armand> Sorry, *know of.
[20:23] * punzada (~pi@ool-43523a33.dyn.optonline.net) Quit (Remote host closed the connection)
[20:23] <Armand> One of my colleagues has one
[20:25] * hadifarnoud (~hadifarno@162.13.47.212) Quit ()
[20:27] <seitensei> procrastination....
[20:30] * markfletcher (~markfletc@38.99.193.90) has left #raspberrypi
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[20:38] * tiktuk (~tiktuk@4507ds4-ynoe.0.fullrate.dk) Quit (Read error: Connection reset by peer)
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[20:39] * ChanServ sets mode +o MagicalTwix
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[20:42] <jahumada> jelo!
[20:43] * Aldem (~Aldem@unaffiliated/aldem) has joined #raspberrypi
[20:43] <jahumada> i've a question, there is a possibility to burn raspberry connected to a protoboard?
[20:43] * tiktuk (~tiktuk@4507ds4-ynoe.0.fullrate.dk) Quit (Ping timeout: 264 seconds)
[20:43] * Keanu73 (~Keanu73@unaffiliated/keanu73) Quit (Ping timeout: 252 seconds)
[20:44] <SpeedEvil> how?
[20:44] <SpeedEvil> And what do you mean.
[20:44] <SpeedEvil> yes, in general, there is little if any protection on many pins of the PI, and overloadin them or connecting to wrong voltages can kill the PI
[20:46] * chiggins (~chiggins@unaffiliated/chiggins) has joined #raspberrypi
[20:47] <chiggins> For the new Raspberry Pi 2, what kind of SD cards are recommended
[20:47] <SpeedEvil> No diferent than the 1
[20:47] <pksato> microSD
[20:47] <SpeedEvil> Well, other than that.
[20:47] <chiggins> lol
[20:47] <chiggins> Alright cool, wasn't sure if there would be much of a difference
[20:48] <jahumada> thanks SpeedEvil
[20:48] <SpeedEvil> There is allegedly a few percent speed difference.
[20:48] <SpeedEvil> But it's only a few percent.
[20:48] <jahumada> i've this fear of killing the PI, so i'll read basic electronic reference before connecting to a protoboard. do you know some recommended reading before working on electronics with PI?
[20:49] * psil (~krwlisp@c-83-233-75-9.cust.bredband2.com) Quit (Ping timeout: 250 seconds)
[20:49] <SpeedEvil> General points.
[20:50] <SpeedEvil> Connecting every input and output through a 1K resistor makes it lots harder to kill.
[20:50] <SpeedEvil> Take antistatic precautions.
[20:50] <SpeedEvil> make sure you connect any power supplies round the right way - and you have ground connected to the pi and the thing you're connet
[20:51] <SpeedEvil> connecting it to before plugging it in
[20:52] <Aldem> Sorry for the in and outs
[20:53] <Aldem> Was debuging an hardware problems with ##hardware folks
[20:53] <pksato> jahumada: you can build a protector to GPIOs like this http://www.thebox.myzen.co.uk/Raspberry/Breakout.html
[20:53] * SiC (~Simon@cpc12-aztw24-2-0-cust193.aztw.cable.virginm.net) has joined #raspberrypi
[20:53] <pksato> I not know if have industrialized version.
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[20:57] <jahumada> ok thank you for your comments!
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[21:10] <clever> ali1234: http://www.cbc.ca/news/canada/new-brunswick/nb-power-outages-hit-15k-in-northern-new-brunswick-1.2954758
[21:11] * superjudge (sid16781@gateway/web/irccloud.com/x-rglubqzdtqgopvaz) Quit (Ping timeout: 252 seconds)
[21:11] <ali1234> clever wrong link?
[21:11] <clever> correct link, thats why i was without power for 2 hours
[21:11] <ali1234> i didn't know you were without power for 2 hours
[21:12] <clever> you caught me right after it came back on
[21:12] <ali1234> oh i see
[21:12] <clever> as the final battery was about to give out
[21:13] <ali1234> so i tested the firmware update - it clears the callback on exit now, but still only one program can have a callback and all the other buggy behaviour is still there
[21:13] * Sir_Pony (~rawr@cpe-174-099-005-078.nc.res.rr.com) has joined #raspberrypi
[21:13] <clever> ah
[21:13] * ritek (sid22312@gateway/web/irccloud.com/x-wldhhvbtslgqzagr) Quit (Ping timeout: 265 seconds)
[21:13] <clever> i could maybe implement a multiplexer for it in-kernel, but the extra latency may just make it miss sync
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[21:16] <ali1234> the firmware seems to be able to handle multiple events, it just isnt routing them correctly
[21:16] <ali1234> i dunno. i don't understand all these wrapper layers
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[21:17] <clever> it gets rather complex
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[21:17] <clever> from what i can tell, the userland lib will use ioctl to open a connection to the firmware
[21:18] <clever> and the kernel half is just a blind proxy, which barely even passes PID over, as far as i can tell
[21:18] <clever> and that connection token is used to route replies back, or to atleast select which event queue to block on
[21:18] <ali1234> and the connection is a mailbox tye interface?
[21:18] <ali1234> ie a two way fifo
[21:18] * aykut (~aykut@unaffiliated/aykut) Quit (Quit: I will not be a memory)
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[21:19] <clever> i think everything goes thru that one mailbox
[21:19] * oxhak (~OxHaK@unaffiliated/oxhak) Quit (Remote host closed the connection)
[21:19] <clever> opengl, dispmanx
[21:19] * cranvil (~cranvil@2a02:8108:9640:13dc:cda8:9ae9:8347:7683) Quit ()
[21:19] <clever> and all the other stuff
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[21:21] <nirokato> does anyone know of a good coating that can be applied to the raspberry pi? I don't need it to be water proof, but moisture resistant. I'm putting it in a pelican case, but I don't want to rely on just the case for protection.
[21:21] <clever> ali1234: let me check the sources we do have access to
[21:22] <ali1234> nirokato: the google search you need is "conformal coating"
[21:22] <plugwash> nirokato, plenty of electronics supplies sell conformal coatings which are designed to be safe on electronics
[21:23] <plugwash> the problem is what to do about the connectors, coating them with an insulating waterpoof layer tends to render them non-functional......
[21:23] <nirokato> plugwash: got that covered, http://www.adafruit.com/product/744
[21:23] <nirokato> ali1234, thanks, that was the word I was looking for
[21:23] * Keanu73 (~Keanu73@unaffiliated/keanu73) has joined #raspberrypi
[21:23] <clever> plugwash: the service testing jack for my telephone setup has a re-enterable goop in it
[21:24] <clever> plugwash: its extremely sticky, but if you jam a phone cord in, you can still make a connection
[21:24] <clever> but its so gummed up, you cant short it with water alone
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[21:26] * saedelaere (~quassel@unaffiliated/saedelaere) Quit (Remote host closed the connection)
[21:29] <nirokato> ali1234: are there any PU resins that you'd recommend? I may want to make this a permanent fixture. I'm worried about the pi getting too hot though.
[21:29] <nirokato> s/PU/polyurethane/
[21:29] * plugwash would tend to preffer something non-solid, less stress on the components and means you can regain access if you have to
[21:30] <nirokato> plugwash, any recommendations?
[21:31] <plugwash> not sure, it's not something I have too much experiance with myself
[21:31] * SirLagz (~SirLagz@ppp174-176.static.internode.on.net) Quit (Ping timeout: 256 seconds)
[21:31] <clever> https://github.com/raspberrypi/userland/blob/master/interface/vmcs_host/vc_vchi_dispmanx.c#L1286
[21:31] <plugwash> but i'd probablly be looking at something like silocone grease
[21:31] <clever> ali1234: it looks like the event_wait function is blocking
[21:32] * qubitnerd (~neutrino@unaffiliated/electron/x-8286743) Quit (Ping timeout: 252 seconds)
[21:32] <clever> https://github.com/raspberrypi/userland/blob/master/interface/vcos/pthreads/vcos_platform.h#L556
[21:32] <clever> and its an inline function, so it basicaly copy/pastes this code into every use
[21:33] <nirokato> plugwash: well I found something else important that I think I'll need. Liquid electrical tape!
[21:33] <clever> ali1234: hmmm, ok, now this is puzzling, its using normal semaphore stuff, so how does it get an event? ...
[21:34] * abnormal (~abnormal@ip-64-134-71-183.public.wayport.net) Quit (Ping timeout: 250 seconds)
[21:35] <ali1234> clever it's all a series of tubes...
[21:36] <clever> thats the internets!
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[21:36] <clever> ok, so its waiting on a semaphore inside the event it was given, its just a wrapper to allow doing things on a non-pthread system
[21:37] <clever> so what is dealing with dispmanx_notify_available_event
[21:38] * Giddles (~i@unaffiliated/giddles) Quit (Quit: .)
[21:38] <clever> a few points, line 165 creates the event structure, 193 sets it up with notify_callback and service_open on 204, and 252 deals with shutdown
[21:39] <clever> ali1234: aha, so dispmanx_notify_callback on line 1131 is ran by 'something', which uses a semaphore to wake up the thread we had investigated before
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[21:42] <clever> and service_open just forwards the callback to create_service
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[21:44] <clever> ali1234: hmmm, the function pointer with that callback eventualy gets packaged up and dumped into an ioctl
[21:45] <Yugnoswam> Evening, is there any storage size limitation on the SD card for the RPi 2 Model B? For example will it work with any SD card from say 8GB - 256GB
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[21:46] <plugwash> I'm not aware of any limits imposed by the pi itself.
[21:47] <plugwash> be aware that all cards above a certain size (think it's 64G or higher) will be branded as SDXC and formatted as exfat by default. If you are using raw images this doesn't matter as you will blow it all away when you image, but if you are planning to use noobs you will need to reformat the card first.
[21:48] <clever> ali1234: nope, no obvious place for it to run the callback, so down the rabbit hole i go!
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[21:49] <Yugnoswam> plugwash, I'm going to be flashing whatever I get with OpenElec anyway
[21:49] <Yugnoswam> thanks for your help :0
[21:49] <Yugnoswam> :) *
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[21:51] <clever> ali1234: have a look at this comment, https://github.com/raspberrypi/linux/blob/rpi-3.18.y/drivers/misc/vc04_services/interface/vchiq_arm/vchiq_arm.c#L271
[21:52] <ali1234> clever: yes, the update callbacks *have* to go to the right client
[21:52] <ali1234> and they were broken
[21:52] <ali1234> and today's firmware supposedly fixed those too
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[21:53] <clever> https://github.com/raspberrypi/userland/blob/master/interface/vmcs_host/vc_vchi_dispmanx.c#L175
[21:53] <clever> i also found this, it opens 2 seperate connections
[21:53] <clever> with with client_name and one with notify_name
[21:53] <clever> which are likely routed to different areas
[21:54] <clever> i believe client is for the actual dispmanx calls, and notify is for the callbacks
[21:54] <clever> but i dont see how notify runs callbacks yet
[21:55] <ali1234> it runs in a loop on a thread, and polls the mailbox for messages
[21:55] <clever> notify_func doesnt even touch mailbox, i just found that out
[21:55] <clever> its waiting on a pthread semaphore
[21:55] <ali1234> it uses vcos_event_wait and vchi_msg_dequeue
[21:56] <clever> vcos_event_wait is just a pthread semaphore
[21:56] <clever> which is waken up by a callback on another thread
[21:56] <clever> so some thread we dont know about is getting the real event, and then telling vcos_event_wait to stop blocking
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[21:57] <ali1234> right, and then vchi_msg_dequeue fetches the message from notify_handle[0]
[21:57] <clever> yeah
[21:57] <clever> https://github.com/raspberrypi/userland/blob/master/interface/vmcs_host/vc_vchi_dispmanx.c#L1122
[21:57] <clever> this is ran on some unknown thread, by unknown code, and wakes up the notify_func
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[21:57] <clever> and i believe its a-sync, so it can return to its own event loop even if your v-sync blocks
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[22:01] <clever> time to hit it with gdb
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[22:04] <clever> ali1234: http://pastebin.com/nSHa2X38
[22:05] <Payo> anyone know why I get this: http://pastie.org/9942919 when trying to compile xbmc ? :(
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[22:06] <clever> ali1234: https://github.com/raspberrypi/userland/blob/master/interface/vchiq_arm/vchiq_lib.c#L1524
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[22:06] <clever> this is what actualy blocks waiting for v-syncs
[22:06] <ali1234> nice one
[22:06] <ali1234> so this really is a userland bug after all?
[22:06] <clever> it will then run the callback setup in https://github.com/raspberrypi/userland/blob/master/interface/vmcs_host/vc_vchi_dispmanx.c#L187
[22:07] <clever> nope, userland cant run callbacks in another thread
[22:07] <clever> so the VCHIQ_IOC_AWAIT_COMPLETION call goes into the kernel, to wait for v-sync
[22:07] <ali1234> okay what i mean is it's not a firmware bug
[22:07] <clever> and the firmware wakes up the wrong process waiting on that
[22:07] <clever> its clearly firmware side
[22:07] <ali1234> why is firmware waking processes?
[22:07] <clever> the kernel shim is too simple to have this logic
[22:07] <plugwash> not kernel side?
[22:08] * Smrtz (~Smrtz@unaffiliated/smrtz) Quit (Read error: Connection reset by peer)
[22:08] <clever> the processes all block in a VCHIQ_IOC_AWAIT_COMPLETION ioctl, waiting for the firmware to signal that something is complete
[22:08] <ali1234> instead of using dispmanx callback, can i just use that ioctl directly in my program?
[22:08] <clever> the firmware then wakes up the right one on-demand
[22:08] <clever> youll need access to several private variables, and i dont know what else is being routed thru this path
[22:09] <clever> in theory, i can create a custom driver that will just work, let me see
[22:09] <clever> hmmm, not enough disk space for a dkms setup, lets fix nfs
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[22:16] <clever> ali1234: aha, thats where half my disk space went, i still have 3.10 kernel modules
[22:16] <clever> 171mb free now, much better
[22:17] <Bilby> rawr
[22:17] <clever> Bilby: 119, almost back to spec!
[22:17] <Bilby> \o/
[22:18] * woodyj21 (~woody@129.93.96.90) Quit (Quit: home to lab!)
[22:18] <clever> Bilby: and it hit a news site, http://www.cbc.ca/news/canada/new-brunswick/nb-power-searches-for-cause-of-major-outage-in-north-1.2954758
[22:18] <Bilby> some poor sonofagun at the power station has his arm on a hand-crank generator and is pumping like mad
[22:18] <clever> lol
[22:18] <Bilby> wow, that's crazy
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[22:22] <clever> now lets see if i can remember how to force dkms into life again
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[22:57] <clever> ali1234: still doing up a test module
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[22:59] <RoyK> hi all
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[23:13] <l_r> what's up
[23:13] <ShorTie> the sky
[23:13] <l_r> will be there a cm 2?
[23:14] <ShorTie> who knows, most likely, but when would be the real ??
[23:14] <l_r> what do you think
[23:14] <l_r> i think not before the next year
[23:15] <ShorTie> don't really think about things i have no control over
[23:16] <ShorTie> since the rpi2 is coming out in 2017, ......
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[23:19] <benighted> anyone else feeling like the B+ v2 is a bit half baked?
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[23:19] <ShorTie> half baked ??
[23:19] <clever> benighted: in what way?
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[23:20] <benighted> I've been trying to get old images updated and working on it, and the new images seem buggy
[23:20] <benighted> maybe I got a lemon?
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[23:21] <benighted> apparently 1.2A minimum for it right?
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[23:21] <CoJaBo> New firmware is pretty likely to be buggy
[23:21] <ShorTie> you doing apt-get dist-upgrade too ??
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[23:22] <ShorTie> actually, updating old Linux has always been buggy to me
[23:23] <ShorTie> my feelings is it is just best to start over
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[23:23] <benighted> ShorTie, yeah on the old B+ logged in and "apt-get update && apt-get -y upgrade && apt-get -y dist-upgrade && apt-get autoclean && apt-get autoremove && shutdown -h now" unplugged, popped card out and into new - no boot
[23:23] <clever> benighted: does it have a kernel7.img in /boot/ ?
[23:24] <Mr_005> hey guys, does anyone know anything about using RGB led strips with the pi? Mine is digital.
[23:24] <ShorTie> if he did that, ya i believe so
[23:24] <benighted> ShorTie, also trying noobs - is there a process to update noobs and keep the images?
[23:24] <ShorTie> noobs is a problemo from the n, imho
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[23:25] <ShorTie> it's a os player, once you get sumfin you sortta like, write an image of it to a sdcard
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[23:30] <clever> make: *** No rule to make target `include/config/auto.conf', needed by `include/config/kernel.release'. Stop.
[23:30] <clever> cant seem to figure out what the cause of this is
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[23:31] <Klaus_Dieter> hello world
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[23:41] <Klaus_Dieter> I have a raspberry pi model b and I am trying to use it with two usb devices: a wlan stick and an arduino nano. I am experiencing weird crashes after a while so I thought maybe it is an issue having to do with power. the wifi stick will draw up to 240mA, the arduino uses 6 gpio-pins + voltage + ground => 6*40mA per port + 25mA for the controller = 285mA - this is above the 500mA that are allowed for USB on one bus.
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[23:42] <Klaus_Dieter> can I use one of the 5v pins on the raspberry pi and connect it to one of the 5v pins on the arduino to circumvent the problem?
[23:42] <Klaus_Dieter> or will that break both devies?
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[23:42] <Klaus_Dieter> it looks to me like I might be having this issue: http://hackaday.com/2012/09/04/problems-powering-raspberry-pi-from-gpio-header/
[23:42] <diffra> What's powering the pi?
[23:43] <Klaus_Dieter> it is 5v power supply that is specified to output 2A
[23:43] <ali1234> Klaus_Dieter: 40mA is the maximum rating of the arduino gpio
[23:43] <Mr_005> is there only 1 output on the supply?
[23:43] <ali1234> it is not how much it uses in normal use
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[23:43] <Klaus_Dieter> ali1234: the way I am reading this is 40mA per pin. I am using 6
[23:44] <Klaus_Dieter> Mr_005: yes.
[23:44] <ali1234> Klaus_Dieter: there is also maximum total current rating
[23:44] <Klaus_Dieter> ali1234: ok. it might be a worst-case calculation.
[23:44] <ali1234> Klaus_Dieter: if you are reading arduino docs, be aware they are full of errors
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[23:44] <ali1234> always check the atmel datasheet
[23:44] <Klaus_Dieter> oh also part of the symptom: sometimes the arduino is discovered as a usb device, sometimes it is not visible
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[23:45] <Klaus_Dieter> ali1234: thanks for the hint. I am just starting to play with arduino
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[23:46] <ali1234> Klaus_Dieter: what do you have connected to the gpio?
[23:47] <Klaus_Dieter> ali1234: I forgot to mention that. currently I only have 443mhz chip connected to the gpio of the raspi
[23:47] <PovAddict> meow all
[23:47] <Klaus_Dieter> to the gpio of the arduino I have CC1101 module
[23:47] <ali1234> and what powers that module?
[23:47] <Klaus_Dieter> the 433mhz module is powerd by the raspberrypi
[23:47] <Klaus_Dieter> the arduino is powered by the usb of the raspi
[23:48] <Klaus_Dieter> the arduino powers the cc1101 module.
[23:48] <Klaus_Dieter> and the raspi powers the wifi-usb-stick
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[23:48] <ali1234> all that will add up
[23:48] <Klaus_Dieter> yeah. but I doubt it will add up to 2A
[23:48] <ali1234> just get a better power supply
[23:49] <ali1234> CC1101 claims to use 22mA
[23:50] <ali1234> i doubt all that stuff even adds up to 1A let alone 2A
[23:50] <Klaus_Dieter> yeah. that is my point. My guess is that the arduino + cc1101 + wifi-dongle use more than 500mA overloading the usb of the raspi
[23:51] <ali1234> the raspi USB can supply more than 500mA
[23:51] <Klaus_Dieter> and I am guessing this is causing the symptom that sometimes the wifi dongle or the arduino is nore recognized
[23:51] <Klaus_Dieter> and it might even account for the freezes
[23:51] <Klaus_Dieter> but it is just a guess
[23:52] <ali1234> wait is it a B or a B+?
[23:52] <ali1234> the B+ is supposed to be better at this
[23:52] <Klaus_Dieter> this is a B
[23:52] <ali1234> maybe that's the trouble then
[23:52] <Klaus_Dieter> hm
[23:53] <ali1234> although my arduino uses <20mA and my wifi USB uses <100mA
[23:53] <Klaus_Dieter> will I break the boards when connecting the 5v pin of the arduino to the 5v gpio of the raspi?
[23:53] <ali1234> no
[23:54] <ali1234> you might confuse the USB chip though
[23:54] <Klaus_Dieter> ok. I will try that. I also thought about getting rid of the usb-connection between pi and arduino and using a serial console directly
[23:54] <Klaus_Dieter> but I have not done my research yet on whether this is even possible
[23:54] <ali1234> get rid of the arduino and connect the module directly to the pi gpio?
[23:54] <clever> you can also connect the arduino to the ttl uart on the gpio header
[23:55] <clever> and bypass the usb layer
[23:55] <ali1234> that wnt save any power though
[23:55] <Klaus_Dieter> ali1234: thought about that too. but the module does not have a macro controller- that means I would have to port the firmware on the arduino to the raspberry pi
[23:55] <clever> ali1234: but it will bypass the poly fuses on the usb port
[23:55] * Sir_Pony (~rawr@cpe-174-099-005-078.nc.res.rr.com) Quit (Read error: Connection reset by peer)
[23:55] <Klaus_Dieter> and that the raspi needs to use its cpu to clock the chip and emulate the homematic protocol
[23:55] <clever> and make it simpler to wire the arduino to the psu directly
[23:56] <Klaus_Dieter> and I doubt this will work when the pi is otherwise occupied
[23:56] <ali1234> it will if you use SPI instead of bit banging
[23:56] <ali1234> and DMA
[23:56] * factor (97c1d518@gateway/web/freenode/ip.151.193.213.24) has joined #raspberrypi
[23:56] <factor> Do any of the images come in 4 gig fat32
[23:57] <clever> why do you need a 4gig image?
[23:57] <Klaus_Dieter> clever: http://developer-blog.net/wp-content/uploads/2013/09/raspberry-pi-rev2-gpio-pinout.jpg this should be pins 14 and 15 on this picture, right? also 5V and GND would need to be connected
[23:57] <Klaus_Dieter> is taht correct?
[23:58] <ali1234> raspbian works fine on 4G but it isn't fat32
[23:58] <clever> Klaus_Dieter: yeah, 14/15 are the serial port, but you need to make sure the ardruino is also running at 3.3v
[23:58] <Klaus_Dieter> clever: sorry. pins 8 and 10 - gpio 14 and gpio15
[23:58] <clever> yep, that pair
[23:58] <clever> tx on the pi goes to rx on the ardruino
[23:58] <clever> and rx on the pi goes to tx on the arduino
[23:59] <clever> not sure if the ftdi chip will get in the way or not, just do whatever the guides say for using the hardware serial against a sheild
[23:59] <factor> oh ok glad its not fat32, making a new load for a LAMP system with a 32 gig sd card. I do have to have a fat32 boot sector?
[23:59] <factor> ali1234: ^

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