#raspberrypi IRC Log


IRC Log for 2014-09-16

Timestamps are in GMT/BST.

[0:00] <oy1r> it was a different version of raspbian tho.
[0:00] <oy1r> (all trough analog audio jack)
[0:00] * shivers (~shivers@ Quit (Quit: My Computer has gone to sleep. ZZZzzz…)
[0:00] * designbybeck__ (~designbyb@x183y152.angelo.edu) Quit (Quit: Leaving)
[0:00] * designbybeck (~designbyb@x183y152.angelo.edu) Quit (Quit: Leaving)
[0:00] * weemsledeux (~textual@unaffiliated/weems) Quit (Client Quit)
[0:01] * tahoemph (~tahoemph@172-2-16-223.lightspeed.sntcca.sbcglobal.net) Quit (Quit: Leaving...)
[0:01] * CDR` (~CDR@unaffiliated/cdr/x-4198819) Quit (Ping timeout: 258 seconds)
[0:02] * pklaus (~pklaus@p200300514516220002C008FFFE88220F.dip0.t-ipconnect.de) has joined #raspberrypi
[0:02] * DJSpaceman (~alphapete@unaffiliated/alphapete) Quit (Quit: Computer has gone to sleep.)
[0:02] * mpmc (~mpmc@unaffiliated/mpmc) Quit (Client Quit)
[0:03] * mpmc (~mpmc@unaffiliated/mpmc) has joined #raspberrypi
[0:03] * darkavenger is now known as sacha16_afk
[0:03] * lupinedk is now known as Lupinedk
[0:04] * govg (~govg@unaffiliated/govg) Quit (Ping timeout: 272 seconds)
[0:06] <niston> oy1r: sudo /etc/init.d/alsa-utils reset
[0:06] <niston> although a reboot should fix any messed up settings, I think
[0:07] <oy1r> i fixed it
[0:07] <oy1r> got audio
[0:07] <niston> the bad audio quality might be an impedance mismatch
[0:07] <oy1r> again.
[0:07] <niston> what was the problem?
[0:08] <oy1r> bad settings in /boot/config.txt
[0:08] <niston> ahh
[0:11] <oy1r> thanks for the help niston
[0:11] * medoix (~medoix@ has joined #raspberrypi
[0:11] <niston> yw
[0:11] * medoix (~medoix@ Quit (Max SendQ exceeded)
[0:14] * clever (~clever@nwcsnbsc03w-142068197081.dhcp-dynamic.FibreOp.nb.bellaliant.net) has joined #raspberrypi
[0:14] <clever> [ 758.988867] mmcblk0: timed out sending r/w cmd command, card status 0x400e00
[0:14] <clever> [ 758.988890] end_request: I/O error, dev mmcblk0, sector 122880
[0:14] <clever> cant seem to get apt-get upgrade to finish
[0:15] * m8 (~m@unaffiliated/m8) Quit (Quit: Sto andando via)
[0:18] * PasNox_ (~pasnox@2a01:e34:ee42:d070:b19a:93b0:2923:949b) has joined #raspberrypi
[0:19] * stepcut (~stepcut@c-24-14-39-248.hsd1.il.comcast.net) Quit (Read error: No route to host)
[0:20] * stepcut (~stepcut@c-24-14-39-248.hsd1.il.comcast.net) has joined #raspberrypi
[0:21] * mike_af (~mike_af@unaffiliated/mike-af/x-5454762) Quit (Remote host closed the connection)
[0:22] <SpeedEvil> your SD card is having issues
[0:23] <clever> its a new 8gig card
[0:23] * ijustam (~u@107-147-14-107.res.bhn.net) has joined #raspberrypi
[0:23] * PasNox_ (~pasnox@2a01:e34:ee42:d070:b19a:93b0:2923:949b) Quit (Quit: Leaving - Cross platform IDE http://monkeystudio.org)
[0:24] <clever> class 10
[0:25] <clever> i dont see why the SD card on a pi is always having so many issues
[0:27] <ijustam> when reading a pinout, what orientation should i be seeing? im not sure which pin is #1 on my b+
[0:28] <SpeedEvil> BBecause most SD cards are not used as proper filesystems
[0:28] * Macuser (~textual@unaffiliated/macuser) has joined #raspberrypi
[0:29] * CDR` (~CDR@unaffiliated/cdr/x-4198819) has joined #raspberrypi
[0:30] <megavoltaire> ijustam http://www.raspberrypi.org/documentation/usage/gpio/
[0:30] <megavoltaire> that's for the B but it's the same idea on the B+, just bigger
[0:31] <megavoltaire> so, pin 1 is the pin closest to the SD card, if that makes sense
[0:32] * oy1r (~bridge@ Quit (Ping timeout: 255 seconds)
[0:33] <ijustam> ahh thats what i was confused about
[0:33] <ijustam> i didnt know if it'd changed
[0:34] <megavoltaire> nope, hasn't changed
[0:34] * Sir_Pony (~boooooo@2606:a000:b484:8500:ac2e:1001:26c9:f40b) has joined #raspberrypi
[0:39] * dollylaggle (~nick@gateway/tor-sasl/dollylaggle) has joined #raspberrypi
[0:41] * Pupeno (~pupeno@pdpc/supporter/active/pupeno) has joined #raspberrypi
[0:41] * morenoh153 (~morenoh14@mce2636d0.tmodns.net) Quit (Ping timeout: 260 seconds)
[0:42] <Pupeno> Is there a way to re-program or upload data to a Raspberry PI remotely? I want to use it to control some lights but over time I want to improve the patterns and the Raspberry PI is going to be installed in a very inconvenient location.
[0:42] <clever> Pupeno: i would just use ssh
[0:42] <niston> or scp/sftp
[0:43] <niston> which runs on top of SSH :P
[0:43] <clever> yep
[0:44] <niston> you could also make a web interface (CGI perhaps, or php or whatever) to upload pattern files
[0:44] * chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) Quit (Quit: Leaving)
[0:45] <Pupeno> I'm happy with ssh, but it would mean having to use wifi to reach it.
[0:45] <niston> well you'll have to have some network connection...
[0:46] <Pupeno> niston: wifi would be the only option. This would actually be outside, high on a wall.
[0:46] <niston> should be fine, no?
[0:46] * Armand (~martin@2a01:9cc0:40:6:fdba:c244:f9f2:9e03) Quit (Quit: Rest in peace, you crazy, funny man.)
[0:47] <Pupeno> Would it be with something like this: http://www.adafruit.com/products/814 ?
[0:47] * MoshinWasTaken (~bangboom@ Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
[0:47] <shiftplusone> What did you have in mind when you said 'remotely'? A network connection seemed to be implied.
[0:47] <niston> pupeno you could use this, yeah.
[0:47] <Pupeno> I'm sorry. By remotely I mean with me not having physical access to the device because it's outside high up a wall.
[0:47] <ijustam> wait
[0:48] <ijustam> pi comes with mathematica?
[0:48] <ijustam> how powerful is this thing
[0:48] <Pupeno> How stable is it? or rather... does pi come with some sort of watchdog?
[0:48] <niston> pupeno yes
[0:48] <shiftplusone> ijustam, as far as mathematica is concerned... not very.
[0:48] <niston> the pi has a hardware watchdog
[0:48] <niston> you program it to reset after N seconds
[0:48] <niston> then you throw it a bone every M seconds
[0:48] <niston> where M < N
[0:48] <Pupeno> Ok... nice.
[0:49] <clever> and there are already software deamons that will only throw it a bone if certain conditions are true
[0:49] <niston> clever yes
[0:49] <clever> so if sshd fails but the system is still up, it would reboot itself
[0:49] * bigx (~bigx@ has joined #raspberrypi
[0:49] <Pupeno> I'm totally new to Raspberry Pi... but since I have a lot of experience coding on Linux, I think this will be a much more convenient solution that Arduino. Specially if I can upload programs remotely.
[0:50] <clever> Pupeno: with ssh, you can login right into the pi, and make it program itself
[0:50] <niston> although when I used the watchdog with a project of mine, I had trouble with the deamon I tried. so I ended up just feeding it from my application.
[0:51] <clever> that also works
[0:51] <niston> funny enough I had one Pi where the watchdog wouldnt work
[0:51] <niston> as in it would always reboot
[0:52] <clever> strange
[0:52] * morenoh153 (~morenoh14@70-36-236-249.dsl.static.sonic.net) has joined #raspberrypi
[0:52] <niston> one out of four I had did this. yeah pretty strange.
[0:52] <clever> i'm just using mine for an RDP client right now
[0:53] <niston> I wonder does USB forwarding work with RDP?
[0:54] <Pupeno> Is there a preferred programming language for the Raspeberry Pi? C?
[0:54] <niston> Pupeno: Some would say Python
[0:54] <clever> niston: didnt know RDP had usb forwarding
[0:54] <niston> but then again, its up to you
[0:54] <clever> niston: but that reminds me, i have seen defcon talks where rdp got a hacked caught
[0:54] <Pupeno> Ok... I'm happy with C, Python, whatever.
[0:55] <niston> I wrote a password cracker for RDP in 2003.
[0:55] <clever> niston: basicaly, the guy used rdp to chain 100's of computers together, nesting rdp sessions
[0:55] <clever> so it was imposible to trace him
[0:55] <niston> 2002 actually. it was the world's first production tool to audit RDP passwords :P
[0:55] <clever> the idiot left printer forwarding enabled in rdp
[0:55] <Pupeno> Where should I get started? I don't need to learn to code, I been coding for 20 years.
[0:55] <clever> niston: so his local printer name was recorded on every system he went thru
[0:55] <niston> haha xD
[0:56] <clever> yeah
[0:56] <niston> Pupeno: I found http://www.learnpython.org/ quite useful
[0:56] <clever> Pupeno: you can use pretty much any language that works on linux
[0:56] <Pupeno> niston: I know Python already.
[0:56] <Pupeno> What distro does it run? a custom one/
[0:57] <clever> python, perl, c, c++, kernel mode c, php, nodejs, bash
[0:57] <niston> oic.
[0:57] <niston> raspbian is popular.
[0:57] <clever> Pupeno: rasbian is a debian fork
[0:57] <Pupeno> Ok.
[0:58] * plugwash wouldn't call it a "fork"
[0:59] * [Saint] (~saint@rockbox/staff/saint) Quit (Read error: Connection reset by peer)
[0:59] * Macuser (~textual@unaffiliated/macuser) Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
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[1:00] * bigx (~bigx@ Quit (Ping timeout: 250 seconds)
[1:00] <ozzzy> a recompile
[1:01] <Pupeno> How do I learn to use the I/O, watchdog, etc?
[1:01] <Pupeno> Is there a good book or tutorial for developers?
[1:02] <niston> theres good info about the watchdog: http://binerry.de/post/28263824530/raspberry-pi-watchdog-timer
[1:02] <niston> as for GPIO, a look at the wiringpi source might be enlightening
[1:03] * bigx (~bigx@ has joined #raspberrypi
[1:03] <niston> as for a book, I wouldn't know. I mostly use the web, these days.
[1:06] <niston> theres also a GPIO lib for python IIRC
[1:06] * Pupeno (~pupeno@pdpc/supporter/active/pupeno) Quit (Disconnected by services)
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[1:06] <Pupeno> niston: well, I already knew about the existence of watchdogs, how do I learn about things that I don't know that exist?
[1:07] <niston> ic. browsing the forum brings up one thing or another, at times.
[1:07] * antonmpeg (~anton@ Quit (Ping timeout: 240 seconds)
[1:08] * hubutm20 (~hubutm20@ Quit (Quit: Ulliendo)
[1:09] <niston> theres also stuff inside the BCM soc that nobody seems to know it exists. Until gert shows up with a second VGA output via GPIO pins...
[1:10] * bigx (~bigx@ Quit (Ping timeout: 272 seconds)
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[1:13] <mikroskeem> niston: vga output supports gpu or is it another emulation(like those spi lcd panels)?
[1:13] <niston> hardware supported.
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[1:15] <niston> more info here: https://github.com/fenlogic/vga666/blob/master/documents/vga_manual.pdf
[1:15] <mikroskeem> wth
[1:15] <mikroskeem> O.o
[1:17] <clever> looks like a resistor DAC and plain bit-banging
[1:18] <clever> so it wont have dispmanx support, and no omxplayer/opengl
[1:18] <niston> yeah but theres an internal peripheral that does the bit-banging
[1:18] <clever> but software hacking can give X11 support and a normal gui
[1:18] <niston> works with minecraft at least :P
[1:18] <clever> without hw accel
[1:19] <clever> faq in the pdf says its using DPI, not bit-bang, so it wont chew too much cpu
[1:20] <niston> yes.
[1:20] <clever> ah, it may have some omx support, odd
[1:20] <clever> omx and dispmanx
[1:21] <mikroskeem> it's just another video output like hdmi, vout and dsi
[1:21] <mikroskeem> (dsi not used, yet)
[1:22] * chod (~chod@toy-town.demon.co.uk) Quit (Remote host closed the connection)
[1:22] <clever> it would need gpu support to handle dispmanx, and given that its using config.txt, it likely has it
[1:23] <niston> hmm
[1:24] * esas (~esas@unaffiliated/esas) Quit (Read error: Connection reset by peer)
[1:24] <niston> if you could combine V/H Sync or even add these to Green, you could provide analog RGB for projectors.
[1:25] <Pupeno> What do you use to control 220v lamps with a pi?
[1:25] <niston> Pupeno: Solid state relay.
[1:26] * StolenToast (~FNToast@cnut.resist.cc) Quit (Ping timeout: 246 seconds)
[1:26] <plugwash> Pupeno, it depends, if they are only being switched occasionally then there is a lot to be said for good old mechanical relays
[1:26] <Pupeno> Something like this: http://www.amazon.com/SainSmart-8-Channel-Duemilanove-MEGA2560-MEGA1280/dp/B006J4G45G ?
[1:26] <plugwash> if they are being switched rapidly then solid state makes more sense
[1:26] <Pupeno> plugwash: no, I want to make it fliccker.
[1:27] <niston> Pupeno: dimming?
[1:27] <ijustam> i am having so much fun :3
[1:27] <Pupeno> niston: nah... annoying people *grin*
[1:27] <niston> ah :P
[1:27] <niston> cuz if u wanted to dim with PWM, you'd need an SSR without zero crossing detector, I think.
[1:28] <plugwash> If I wanted to dim i'd probablly buy a dimmer
[1:28] <niston> hehe
[1:28] <plugwash> and then build a DMX interface for the pi to control it
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[1:29] <ijustam> cant wait to get this bad boy involved http://imgur.com/iqoDuai
[1:30] <niston> heh. where did you steal that :P
[1:30] * StolenToast (~FNToast@cnut.resist.cc) has joined #raspberrypi
[1:30] <ijustam> craigslist
[1:30] <ijustam> :P
[1:30] <ijustam> cost me $20
[1:30] * Tachyon` is now known as Tach[Eorzea]ish
[1:30] <ijustam> it is likely stolen, haha
[1:30] <ijustam> or government surplus if it was replaced by an led
[1:31] <ijustam> odd fact: the red lense is glass, amber and green are plastic
[1:31] * Kane (~Kane@ADijon-257-1-45-96.w86-204.abo.wanadoo.fr) Quit (Quit: Night all o/)
[1:32] <mikroskeem> i'm off bye
[1:32] * mikroskeem (mikroskeem@50708355.static.ziggozakelijk.nl) has left #raspberrypi
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[1:52] <CoJaBo> ..what the hell is 3-line serial >_>
[1:52] <ShorTie> heck*
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[1:55] <CoJaBo> lol
[1:56] <ShorTie> it even makes more sense, imho
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[2:03] <niston> 3-line serial?
[2:03] <niston> RXD, TXD, GND
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[4:47] <linuxmint> test
[4:49] <linuxmint> Hi, how can I view my posts? Search and FAQ don't say how?
[4:49] <linuxmint> RaspberryPi forum posts that is.
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[4:53] * Tashi_ (~Tashi@p5DDDFF91.dip0.t-ipconnect.de) has joined #raspberrypi
[4:54] <spaceribs> Hi, i’m trying to get usb working with qemu, but lsusb shows the error “unable to initialize libusb: -99” and there doesn’t seem to be anything in /dev/bus/usb
[4:54] <spaceribs> I got as far as this forum post, but I’m having trouble figuring out what they modified to get it working: http://www.raspberrypi.org/forums/viewtopic.php?t=70827&p=514146
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[5:14] <kgrayallday> Hello, i am new to irc, i am new to Raspberrypi and semi new to Linux, i have a very simple project i wish to get started i was wondering if anyone could give me some insight
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[5:17] <zylinx> kgrayallday, greetings
[5:18] <zylinx> what is your project in mind ?
[5:19] <kgrayallday> Hi!
[5:20] <kgrayallday> i am simply trying to develop something for my company that commects two offices in different provinces together, with a monitor/tv, webcam and Raspberry
[5:20] <zylinx> kgrayallday, since you are new to IRC as a whole these "rules of thumb" for IRC might help. don't ask to ask just ask :) and don't always expect immediate responses.
[5:21] <zylinx> ahhh
[5:21] <zylinx> so you want a monitor and webcam at each end or just one way ?
[5:21] <kgrayallday> i have been looking into "VIPs" like VOIP or something but voice and video... connecting two terminals directly while not taxing the CPU of the raspberry too much
[5:21] <kgrayallday> both ends
[5:22] <kgrayallday> its going to be a "window" that will centralize the two offices into one
[5:22] <zylinx> you could always just use VLC
[5:23] <kgrayallday> i read up on a program called "Jitsi" i believe but i had a tough time installing it because i am unsure of the infrastructure so i dont know what package i need
[5:23] <zylinx> are you running debian on the Pi ?
[5:24] <kgrayallday> Yes, Raspian to be exact
[5:24] <zylinx> this might be a long shot but have you watched this ? https://www.youtube.com/watch?v=SjEZ4y0vIUE
[5:25] <kgrayallday> watching...
[5:26] <kgrayallday> in alot of the stuff i have seen streaming is different than unicasting
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[5:29] <linuxmint> Any motion detection software that works on the raspberry pi's camera, like ZoneMinder?
[5:32] <kgrayallday> so i would need some application that would connect two ip's together, like a phone call or a skype call but stype encodes its video and i just want straight basic audio/video back on forth between two raspberrypis
[5:33] <kgrayallday> so it would essentially be a 24/7 window into each office, what i am calling Virtual Presence
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[6:01] <linuxmint> Would there be a way to test if a firewall was blocking a Wi-Fi connection from a Raspberry Pi?
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[6:55] <kgrayallday> i want to connect two raspberry pi across the country from eachother and have them streaming two way video with a usb webcam
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[6:57] <CoJaBo> ..ok?
[6:58] <kgrayallday> help
[6:58] <kgrayallday> please
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[8:29] <skyroveRR> Does the pi support 20x4 HD44780 LCD panels or is it limited to 16x1/16x2 panels only? Via GPIO.
[8:32] <CoJaBo> skyroveRR: There isn't really a specific limit
[8:32] <skyroveRR> Have you tried any?
[8:32] <CoJaBo> I'm trying to get a VFD to work..
[8:32] <skyroveRR> VFD?
[8:32] <CoJaBo> vacuum florescent
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[8:33] <CoJaBo> I can't quite figure out the signalling; the datasheet shows it's a 3-line serial interface, but doesn't go into any detail whatsoever
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[8:51] <gordonDrogon> skyroveRR, there are many libraries that support the panels.
[8:52] <skyroveRR> Ok, just for knowing, have you tried one?
[8:52] <gordonDrogon> I wrote one: http://wiringpi.com/dev-lib/lcd-library/
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[8:53] <gordonDrogon> and https://projects.drogon.net/raspberry-pi/wiringpi/lcd-library/ has a 20x4 running.
[8:53] <skyroveRR> AWESOME!
[8:54] <skyroveRR> Erm.. btw, what's the difference between 4 bit mode and 8 bit mode?
[8:54] <gordonDrogon> 4 bits :)
[8:54] <skyroveRR> No, I mean..
[8:54] <skyroveRR> In general?
[8:54] <gordonDrogon> 8 bit mode needs 8 pins/wires for the data, 4 bit mode only needs 4, but you need 2 cycles to transfer the data.
[8:54] <skyroveRR> So... which one is better?
[8:54] <gordonDrogon> either is fine - I'd use 8-bit mode if you can spare the pins/wires...
[8:55] <skyroveRR> And which program is it using? I mean.. lcd4linux or lcdproc... which one?
[8:55] * dreamon (~dreamon@unaffiliated/dreamon) Quit (Ping timeout: 255 seconds)
[8:56] <gordonDrogon> its not using either - I wrote a library designed to be used by C programs.
[8:56] <skyroveRR> Ok
[8:56] <skyroveRR> But it can show system stats easily with lcd4linux, right? Since that program is in raspbian's repos AFAIK.
[8:57] <gordonDrogon> I've really no idea.
[8:57] <skyroveRR> Ah ok..
[8:57] <gordonDrogon> it would probably be easy to change lcd4linux to use my library directly on a Pi, but it's not something I've ever looked at.
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[8:59] <skyroveRR> Do you attach a dupont connector to the GPIO pin?
[9:00] <gordonDrogon> no idea what that is.
[9:00] <CoJaBo> gordonDrogon: is there any existing lib for a vfd?
[9:00] <skyroveRR> How do you attach the wires to the GPIO?
[9:00] <gordonDrogon> dupont ia chemicals maker as far as I'm aware..
[9:00] <gordonDrogon> CoJaBo, I've seen a VFD with the usual hitachi chip on it..
[9:00] <gordonDrogon> skyroveRR, with wires - look at the pictures on those links I gave..
[9:01] <CoJaBo> gordonDrogon: Controller is a PT6312LQ
[9:01] <skyroveRR> gordonDrogon: what are those wires called?
[9:01] <skyroveRR> I mean the connectors on them?
[9:02] <skyroveRR> gordonDrogon: these are dupont connectors: http://www.ebay.co.uk/itm/200pcs-Dupont-Connector-Housing-Female-2-54mm-1x1P-/150594421255
[9:03] * JlRd (~jlrd@ip68-110-113-182.ph.ph.cox.net) Quit (Ping timeout: 255 seconds)
[9:03] <gordonDrogon> skyroveRR, oh - they're just generic 0.1mm connectors - Dupont is just another company making them - maybe they made them first, who knows. we call them jumper wires and get them ready made.
[9:03] <gordonDrogon> *0.1 inch. not mm!
[9:03] <skyroveRR> Ok
[9:03] <gordonDrogon> CoJaBo, can't find a proper data sheet for it - but it looks like an SPI interface.
[9:03] <CoJaBo> ..huh, I've usually seen "dupont" only on flat robbon cables
[9:04] <skyroveRR> It's a pain to find those jumper wires here.
[9:04] <gordonDrogon> just a company name used for a connector - like "molex", etc.
[9:04] <CoJaBo> gordonDrogon: There's 3 lines
[9:04] <gordonDrogon> CoJaBo, clock, data, enable?
[9:04] <gordonDrogon> CoJaBo, that's all you need for SPI output.
[9:04] <skyroveRR> gordonDrogon: BTW, did you solder the jumper wires directly on the LCD?
[9:05] <CoJaBo> gordonDrogon: Clock, data, and STBo
[9:05] <gordonDrogon> skyroveRR, no - I soldered 0.1" pins to it then plugged it into a breadboard - please look at the photos.
[9:05] <skyroveRR> Uh that's what I meant... sorry for not being clear.
[9:05] <CoJaBo> It describes it only as "serial"
[9:05] <gordonDrogon> CoJaBo, yea, spi - serial peripheral interface. It could be rs232 at a push though...
[9:06] <CoJaBo> gordonDrogon: "Strobe"
[9:07] <gordonDrogon> CoJaBo, try this: http://datasheet.elcodis.com/pdf2/82/26/822676/upd16312.pdf
[9:07] <skyroveRR> gordonDrogon: which is that black round thing on the breadboard?
[9:07] <CoJaBo> gordonDrogon: ahhh, there we go
[9:08] <CoJaBo> gordonDrogon: ..but is there a driver for the pi already written for that protocol? I'd prefer not to reinvent the wheel :P
[9:08] <skyroveRR> https://projects.drogon.net/wp-content/uploads/2012/07/lcd4_bb.png <- the one with 3 inputs?
[9:08] <CoJaBo> dunno what it's even called..
[9:09] <gordonDrogon> skyroveRR, it's a potentiometer. gives a variable output voltage. it's used to adjust the contrast.
[9:09] <skyroveRR> gordonDrogon: what's it's value?
[9:09] <gordonDrogon> skyroveRR, 10ĸΩ
[9:10] <skyroveRR> 10K?
[9:10] <skyroveRR> cool.
[9:11] <gordonDrogon> it's all pretty standard off the shelf stuff here - but you said stuff was not easy to get where you are? where's that?
[9:11] <skyroveRR> India.
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[9:12] <gordonDrogon> ok
[9:12] <gordonDrogon> thought it was reasonably ok getting stuff there.
[9:12] <skyroveRR> I do have the potentiometer, though. Just not the jumper wires. Can't find them in the market.
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[9:12] <RahulAN> Hii all
[9:12] <RahulAN> I need to control tv by my Pi, How to get what to send to TV to change channel?
[9:14] <winlu> RahulAN: over what
[9:14] <winlu> cec or ir?
[9:14] <RahulAN> I am trying to use IR transmitter
[9:15] <RahulAN> So that the Pi can act as TV remote
[9:15] <winlu> google ir codes for your tv :)
[9:15] <RahulAN> Ok
[9:16] * snuffeluffegus (~snuff@2001:9b0:10:2104:216:3eff:feb7:f845) Quit (Quit: The force will be with you, always.)
[9:18] <RahulAN> winlu, I got that code
[9:19] * OY1R (~Reggy@ Quit (Read error: Connection reset by peer)
[9:19] <jacekowski> what sort of IR transmitter have you got?
[9:19] <RahulAN> it have 2 pins
[9:20] <jacekowski> how does it look
[9:20] <RahulAN> like LED
[9:20] <jacekowski> that's is a LED then
[9:20] * utack (~utack@mnch-5d867537.pool.mediaWays.net) has joined #raspberrypi
[9:20] <jacekowski> IR LED
[9:21] <jacekowski> i very much doubt you will be able to drive it from RPI correctly
[9:21] <RahulAN> yes i want like that..
[9:21] <jacekowski> you will have to generate 36kHz (or similiar, depending on the tv) carrier and then modulate
[9:21] <jacekowski> all in software
[9:21] <RahulAN> yes
[9:23] <jacekowski> it's unlikely to work
[9:23] <RahulAN> so what i need?
[9:23] <RahulAN> To make my Rpi as remote for my TV
[9:23] <jacekowski> hmm
[9:23] <jacekowski> it might work
[9:23] <jacekowski> http://blog.riyas.org/2014/01/raspberry-pi-ir-blaster-control-your.html
[9:23] <jacekowski> read this
[9:24] <RahulAN> ok
[9:25] * matty_r (~matty_r@bba405173.alshamil.net.ae) Quit (Ping timeout: 272 seconds)
[9:27] <a7x> is there a good RTOS for rpi?
[9:27] <RahulAN> chibios is there easy to understand
[9:28] <RahulAN> a7x, ^ check this
[9:28] <RahulAN> jacekowski, it can work.. :)
[9:28] <RahulAN> jacekowski, but i need to control channels and Volume
[9:28] <jacekowski> a7x: real time linux could be an option
[9:28] <jacekowski> RahulAN: so?
[9:28] <jacekowski> RahulAN: build the hardware first
[9:29] <RahulAN> I am confused in what do i have to send there
[9:29] <jacekowski> RahulAN: then you will have to somehow get your remote codes
[9:29] <RahulAN> http://www.wconnections.com/how-to-program-a-remote-to-control-your-tv/ here i got IR code for my sensui TV
[9:29] <RahulAN> *sansui
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[9:30] <jacekowski> RahulAN: those will not help you
[9:31] <jacekowski> RahulAN: you need actual codes that rpi will have to send
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[10:04] * Gyrth (~Developer@095-097-219-069.static.chello.nl) has joined #raspberrypi
[10:05] <Gyrth> Hello. Again.
[10:08] <Gyrth> I'm trying to turn terminal output to colored php text. But all I can find is examples of turning PHP text to colored terminal output.
[10:11] * phantoxe (~destroy@acarlosss.broker.freenet6.net) has joined #raspberrypi
[10:11] <winlu> Gyrth: where do you output the text, do you run php as a script or cgi with a webserver / browser
[10:12] <Gyrth> A webbrowser.w winlu
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[10:13] <winlu> Gyrth: so you produce html, you can google how to colorize text in html :)
[10:13] <Gyrth> For example I get "[01;34mscripts[0m" back. It should return �scripts� in blue text.
[10:14] <Gyrth> Would it work with a strpos??
[10:14] <winlu> Gyrth: wrap everything in a div with a class which does the default color, search for strings you would like to highlight via regular expressions or something simpler and div around those strings where you set a different color
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[10:17] <winlu> i could use strpos and split at that location maybe, but look into regular expressions for +10 sexiness stats
[10:17] <winlu> -i + you
[10:18] <Gyrth> Right. So could I do a strpos(�[01;34m� . * . �[0m�, $string)
[10:18] <Gyrth> Ah my keyboard doesn want to do quotes anymore.
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[10:22] <RahulAN> jacekowski, Where from do i get those codes
[10:25] * Hydra_ (~Hydra@5751c98f.skybroadband.com) Quit (Quit: HydraIRC -> http://www.hydrairc.com <- Go on, try it!)
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[10:27] <jacekowski> RahulAN: you need IR reciever as well
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[10:27] <jacekowski> RahulAN: and you have to record them from your remote
[10:30] * MushroomKing (~Brian@162-204-48-247.lightspeed.stlsmo.sbcglobal.net) Quit (Ping timeout: 246 seconds)
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[10:35] <Gyrth> winlu, http://pastebin.com/dYcatNMZ How do I get PHP to treat color:yellow as a string?
[10:36] <winlu> ' and "
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[10:36] <winlu> you can wrap quotes that way
[10:37] <winlu> assuming php is the same as every other language
[10:37] * tanuva (~tanuva@HSI-KBW-46-223-74-85.hsi.kabel-badenwuerttemberg.de) Quit (Ping timeout: 260 seconds)
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[10:38] <winlu> http://pastie.heroicdebugging.biz/pastie/view/2
[10:38] <winlu> Gyrth:
[10:40] <RahulAN> jacekowski, means i have to use remote every time?
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[10:42] <Gyrth> winlu, yeej It works! I keep forgetting to put $string = in front of the str_replace. For some reason I assume it writes to $string automatically.
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[10:42] <winlu> Gyrth: good to hear, never did php so i assummed you knew what you are doing :D
[10:43] <Gyrth> winlu, oh I don't.
[10:43] <Gyrth> But that never stopped me.
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[11:09] <jacekowski> RahulAN: no, you have to record the codes once and then use rpi to replay them
[11:10] <RahulAN> jacekowski, Ohkk
[11:10] <RahulAN> So i will buy module today then i will start
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[11:31] <Gyrth> winlu, ha! to prove my point. I put a ) in the wrong place and that made any password valid.
[11:32] <Gyrth> You could litterly smash your face onto the keyboard and you be logged in as a developer.
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[12:24] <Pkunk> Is there an issue with clock_gettime on 3.12.y kernels ? Its returning completely bogus values for me ..
[12:26] * Delboy (~openwrt@141-136-229-81.dsl.iskon.hr) has joined #raspberrypi
[12:26] <Pkunk> Or is it an issue with the Model B+ board ? I used an earlier kernel on the Model B board and the timing was almost perfect
[12:26] <Bhaal> Have there been any reports of sun damage to the pi camera sensor?
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[12:32] <didlix> Is it at all worth doing fun things with LEDs and buzzers with Pi, or should I just learn Arduino?
[12:32] <didlix> I've already forgotten my use case from this morning
[12:33] <gordonDrogon> didlix, it's fun. do it on a Pi.
[12:33] <gordonDrogon> much easier too.
[12:33] <Pkunk> Pi does give you better network connectivity options
[12:33] <didlix> I think I just want to learn some ruby to do it with
[12:34] <didlix> As usual, all I need is money
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[13:32] <Gyrth> When using a div to show text. How do you set the scroll to the end of the div?
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[13:42] <winlu> Gyrth: that question makes 0 sense
[13:42] <winlu> try again with different words
[13:43] * Sir_Pony (~boooooo@2606:a000:b484:8500:ace9:84cf:5b0:3078) has joined #raspberrypi
[13:44] <Gyrth> winlu, hoe laat ik het div venster op de laatste regel focussen?
[13:44] <Gyrth> Better?
[13:44] <Gyrth> :D
[13:45] <pksato> Gyrth: http://stackoverflow.com/questions/838545/div-vertical-scrollbar-show
[13:45] <Gyrth> I need the div window to be scolled all the way down. It looks like I need JavaScript for that.
[13:46] <Gyrth> pksato, I got that. But now it needs to be scrolled down by default.
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[13:49] <gordonDrogon> might want to consider asking on a web type of channel for that sort of stuff though ...
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[13:50] <Gyrth> Ok.
[13:51] <Gyrth> Ah! I got it.
[13:51] <Gyrth> Stupid mistake. Again...
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[14:08] <Tinkerton> Hi folks
[14:11] <gordonDrogon> afternoon...
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[14:11] <lost_soul> afternoon gordonDrogon
[14:11] <lost_soul> hey Tinkerton
[14:12] <Gyrth> Hellooo
[14:18] <neutrino--> yes Gyrth ?
[14:18] * cumana (~koomahnah@unaffiliated/cumana) Quit (Read error: Connection reset by peer)
[14:19] <Gyrth> neutrino--, just saying hi. We were having a hello party.
[14:20] <neutrino--> hello then !
[14:21] <Gyrth> They're ignoring me in the php channel.
[14:21] <Gyrth> :9
[14:21] <Gyrth> :(
[14:21] * samrat (~samrat@ Quit (Quit: Computer has gone to sleep.)
[14:21] <lost_soul> you'll be okay
[14:21] * Cy-Gor (~Brian@cpe-66-68-46-69.austin.res.rr.com) has joined #raspberrypi
[14:23] <Gyrth> lost_soul, but it hurts.
[14:24] * utack (~utack@mnch-5d867537.pool.mediaWays.net) has joined #raspberrypi
[14:24] <lost_soul> Gyrth: what doesn't kill us makes us stronger.. or some crap like that, right?
[14:26] <neutrino--> Gyrth: well its possible nobody knows or is interested in that at the moment
[14:26] <neutrino--> try again after sometime
[14:27] <neutrino--> post in forums ...
[14:28] * mspe (~mspe@2205ds5-od.0.fullrate.dk) Quit (Remote host closed the connection)
[14:29] <Tinkerton> So, has anyone here made an RPi car computer?
[14:29] * bigx (~bigx@cam44-2-82-235-243-114.fbx.proxad.net) Quit (Ping timeout: 245 seconds)
[14:30] <lost_soul> watched a video of someone who did. I haven't been able to convince my son to take the plunge yet.
[14:30] <Tinkerton> hmm
[14:31] * Sneglen (~Sneglen@dhcp-5-103-55-186.seas-nve.net) Quit (Ping timeout: 245 seconds)
[14:31] <Tinkerton> Ideally I want something that'll act as a media player, but also have a nice looking speedo and G force display and log
[14:32] <Tinkerton> but i've seen nothing that will log speed
[14:32] <chithead> you will need a bunch of extra hardware for this
[14:33] * llorllale (~llorllale@ Quit (Ping timeout: 272 seconds)
[14:33] <chithead> probably better to take apart an android tablet with gyroscope and gps sensor
[14:33] <lost_soul> hahah, sounds like someone wants to monitor a new driver
[14:33] <Tinkerton> lost_soul: nah, i want to monitor laps ;)
[14:33] * diakonos (~diakonos@cpe-76-186-188-20.tx.res.rr.com) has joined #raspberrypi
[14:33] <Tinkerton> chithead: yeah? fair enough. I thought that might be easier
[14:34] <Tinkerton> I've got an old G1 android phone (the very first one) that i'm doing nothing with
[14:34] <Tinkerton> but it takes an age to start up, so not sure that'd be any good
[14:35] <Pkunk> Is there an issue with clock_gettime on 3.12.y kernels ? Its returning completely bogus values for me .. Or is it an issue with the B+ boards ?
[14:35] <gordonDrogon> Pkunk, shoud have nothing to do with board rev. do you have a test program?
[14:36] <chithead> G1 has 192 mb ram, so less than even the first rpi model b
[14:36] <Pkunk> gordonDrogon: curtime.tv_sec=143,curtime.tv_nsec=0 , after 1 second curtime.tv_sec=367,curtime.tv_nsec=0
[14:37] <gordonDrogon> Hm. hang on I'll run a test.. I always use gettimeofday though.
[14:37] * hedmon (~hedmon@ Quit (Quit: hasta luego!)
[14:37] <Pkunk> gordonDrogon: Linux localhost 3.12.28 #4 Tue Sep 16 14:36:49 IST 2014 armv6l GNU/Linux
[14:40] <Pkunk> gordonDrogon: I tried using gettimeofday() and that also gave me similar random values for the seconds
[14:41] <gordonDrogon> Hm. I don't appear to have clock_gettime in my standard C library.
[14:41] <gordonDrogon> ah, -lrt
[14:42] <gordonDrogon> works fine for me, kernels: 3.12.22+ #691 & 3.12.28+ #709
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[14:43] <gordonDrogon> what value of clk_id are you using?
[14:44] <gordonDrogon> gordon@cmpi0:$ ./x
[14:44] <gordonDrogon> tp.tvsec: 1410871322, tp.tv_nsec: 799929921
[14:44] <gordonDrogon> tp.tvsec: 1410871323, tp.tv_nsec: 801325451
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[14:44] <gordonDrogon> there is a sleep(1) in-between those.
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[14:45] <Pkunk> Thanks a lot to confirm that for me . I'm copying the struct timespec to another variable , And I just noticed that variable has correct values , looks like something wonky with the g++ optimization , or memory corruption
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[14:49] <niston> Tinkerton: perhaps you can interface with the CAN bus of the car to read out the speed?
[14:50] <niston> the OBDII port, that is
[14:50] <gordonDrogon> Pkunk, http://unicorn.drogon.net/x.c
[14:50] <gordonDrogon> I compiled with gcc -Ofast -o x x.c -lrt
[14:50] <niston> would also be useful for a nice dash cam
[14:52] <niston> plus you could get engine RPM, oil pressure and what not
[14:53] <Tinkerton> niston: my car doesnt have CAN or OBD, sadly
[14:53] <Tinkerton> it's 23 years old :D
[14:53] <niston> heh
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[14:54] <niston> then use GPS for speed. but no rpm and other fancy for you, then.
[14:55] <niston> unless you're gonna mess with analog signals and speed pulse
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[14:55] <gordonDrogon> I built a car computer some 26+ years ago...
[14:55] <gordonDrogon> 6502 based with LCD display.
[14:55] <niston> MOS 6502 heh
[14:56] <gordonDrogon> It sensed road speed with a pulse sensor driven off the spedometer cable.
[14:57] <gordonDrogon> http://unicorn.drogon.net/6502front.jpg
[14:57] <gordonDrogon> http://unicorn.drogon.net/6502back.jpg
[14:57] <niston> that a rockwell clone?
[14:58] * RahulAN (~RahulAN@ Quit (Quit: Leaving)
[14:58] <gordonDrogon> there was a 2nd board with the IO stuff on it - opto isolators, relays, etc.
[14:58] <gordonDrogon> it'sa 65C02.
[15:01] <gordonDrogon> pretty sure Rockwell made them under license
[15:02] <Pkunk> gordonDrogon: thanks , my code is similar and strace shows the values returned are correct. But due to some gcc bug I cannot trace yet when it fprintfs those values it gives wrong values
[15:02] * matty_r (~matty_r@bba405173.alshamil.net.ae) Quit (Remote host closed the connection)
[15:04] <gordonDrogon> Pkunk, gcc 4.6.3 on my Pi's.
[15:04] <skyroveRR> Which distro do you guys use on your pi?
[15:05] <shiftplusone> right now, minimal buildroot
[15:05] <IT_Sean> I generally use Raspbian. But... it depends on what you want to do with it. What are you looking to do?
[15:05] <Pkunk> skyroveRR: raspbian here , and g++ / gcc 4.7.2 cross-compiler on my ubuntu pc
[15:06] <skyroveRR> IT_Sean: general usage, and some compilation.
[15:06] <skyroveRR> On the pi itself.
[15:06] <shiftplusone> then you want raspbian
[15:06] <IT_Sean> ^ that
[15:06] <skyroveRR> Not heavy compilation... a couple of small C programs, nothing more than that.
[15:06] <IT_Sean> You want raspbian
[15:07] <skyroveRR> Ok, I already use raspbian, just wanted to know. :)
[15:07] <skyroveRR> I actually use a stripped down version of raspbian which a guy was kind enough to post on his web page.
[15:08] <shiftplusone> which version is that?
[15:08] <Pkunk> busybox is a great option for stripping down raspbian
[15:09] <skyroveRR> Uh...
[15:09] <chris_99> So silly question: does anyone know how to inspect the firmware/metadata of an SDcard
[15:09] <skyroveRR> My pi isn't on...
[15:09] <chris_99> so i can work out the model
[15:09] <gordonDrogon> skyroveRR, Raspbian.
[15:09] <shiftplusone> nuh I was just curious where you got the image from
[15:10] <shiftplusone> also, Raspbian. >.>
[15:10] <skyroveRR> HA! From this, raspbian. www.linuxsystems.it/raspbian-wheezy-armhf-raspberry-pi-minimal-image/
[15:11] <shiftplusone> skyroveRR, in the future, look up raspbian-ua-netinst
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[15:11] <skyroveRR> I've heard about that somewhere, shiftplusone
[15:11] * dblessing (~drewb@h210.236.190.173.static.ip.windstream.net) has joined #raspberrypi
[15:12] <skyroveRR> Oh, unattended net installer... I don't really have bandwidth suitable for such installs.. I almost always go for offline installs.
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[17:00] <psyclepath> Hi. I want to run my raspberry pi version B as a mail server. Any suggestions on a good tutorial site ?
[17:01] <psyclepath> I have Rasbian as OS
[17:01] <psyclepath> Raspbian
[17:01] <psyclepath> haha
[17:01] <psyclepath> Raspian
[17:01] <psyclepath> :-)
[17:02] <psyclepath> ghrrr
[17:02] <psyclepath> i can't remember
[17:02] <psyclepath> pb
[17:02] <psyclepath> sorry for te bull
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[17:13] <gordonDrogon> psyclepath, Raspbian is more or less Debian, so google debian mail server and you'll find what you need.
[17:16] * hedmon (~hedmon@ Quit (Quit: see u!)
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[17:19] <shiftplusone> or you could even find out which mail server is popular and look up the documentation for the specific software.
[17:20] <neutrino--> psyclepath: and most isp's dont allow you to maintain a mailserver although there might be ways
[17:20] <IT_Sean> ^ that.
[17:20] * darkavenger is now known as sacha16_afk
[17:20] <IT_Sean> Most ISPs have the necessary ports blocked on home accounts.
[17:23] <psyclepath> cool, thanks
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[17:35] <erebus^> Heya!
[17:35] <erebus^> shouldn't I be able to access my Pi via SSH from the first boot?
[17:36] <nid0> yep
[17:36] <erebus^> ETH and power is all that's connected, it seems to have booted correctly (clean copy of img file), and I can find it's LAN ip
[17:37] <erebus^> But I still get "ssh: connect to host port 22: Connection timed out"
[17:37] <erebus^> Weird
[17:37] * Farioko (51e83d51@gateway/web/freenode/ip. has joined #raspberrypi
[17:38] <erebus^> Using "2014-06-20-wheezy-raspbian.img"
[17:38] <nid0> presumably you are connecting from a local computer in 192.168.0.*?
[17:38] <erebus^> Yup
[17:38] <nid0> does the pi respond to ping on
[17:39] <erebus^> Hm, no
[17:39] <Armand> psyclepath: Just rent a VDS.. easier. :P
[17:39] <erebus^> Bad sign? :p
[17:40] <nid0> how do you know the pi's on exactly, have you statically assigned that in the pi's config, or is it showing as a dhcp lease?
[17:40] * jiuweigui (~jiuweigui@unaffiliated/jiuweigui) has joined #raspberrypi
[17:41] <erebus^> Actually, I scan my net via an app on my phone
[17:41] <erebus^> And it answers on ping from my phone
[17:41] <erebus^> That's weird
[17:42] <nid0> can you ssh to it from the phone?
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[17:43] * osxdude|MBP (~osxdude@unaffiliated/osxdude) Quit (Quit: Smell ya later. Time to sleep. Hold the phone. Don't dial the emergency number.)
[17:43] <erebus^> Yeah I can... hm... I must be typing something wrong
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[17:44] <erebus^> Aaaaah, misstyped the IP
[17:44] * erebus^ facepalm
[17:44] <erebus^> Oh well, problem solved :) thanks
[17:45] <erebus^> I just needed someone to hold my hand
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[17:48] <gordonDrogon> IT_Sean, ISPs in the UK do not generally block incoming ports - running a mail server at home is more an issue to do with dynamic IPs than anything else...
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[17:56] <IT_Sean> ahhhhh
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[18:00] <Farioko> Looks like even if you do a proper graceful shutdown on your raspberry pi, even then, the filesystem can corrupt. Damn bought a €90,00 UPS and thought this should be over.
[18:00] <Farioko> #cry
[18:01] <gordonDrogon> Farioko, that sort of thing hasn't happened for about 2 years now.
[18:01] <gordonDrogon> have you updated/upgraded the bootlaoder/kernel, etc. recently?
[18:01] <gordonDrogon> and bought a reliable SD card from a reputable source...
[18:01] * DoctorBTC is now known as Guest59781
[18:01] <Farioko> Few months a go.
[18:02] <Farioko> ago*
[18:02] <gordonDrogon> and despite the UPS, do you have a good quality PSU?
[18:02] <Farioko> gordonDrogon: the RS one
[18:02] <gordonDrogon> so you should be ticking all the boxes - what exactly do you see happening? just an fsck, or files being moved to lost+found ?
[18:03] * tahoemph (~tahoemph@ Quit (Quit: Leaving...)
[18:03] <Farioko> by now all this money I could have got a nice x86 PC instead, with a trusty filesystem, UFS.
[18:03] <Farioko> gordonDrogon: It booted, and locked at kdb >
[18:03] <gordonDrogon> if you want UFS then you can run freeBSD on the Pi.
[18:04] <gordonDrogon> are you sure that's a file system issue?
[18:04] * sacha16_afk is now known as darkavenger
[18:05] * IT_Sean is now known as IT_Phood
[18:05] <Farioko> gordonDrogon: Could be the SD Card too, haven't had luck with Kingston ever, their SSDs are unstable as hell, usb thumb drives seem crap too, and apparently their SD cards are also crap. Only the RAM they make is ok.
[18:06] * dfguy (dfguy@cpe-174-097-055-064.sc.res.rr.com) has joined #raspberrypi
[18:06] <gordonDrogon> you're not alone in that observation.
[18:06] <gordonDrogon> although I have 2 Kingstons from early on that are still OK. My others are Sandisk and the ones the foundation sells.
[18:06] <winlu> Farioko: i HAD kingston ram, the coolers melted onto the chips
[18:07] <Farioko> winlu: In that case everything they produce is crap, haha :D
[18:07] <winlu> smelled for weeks
[18:07] <winlu> the one from my gf's pc still are fine, but still i thought ram was one of the things you can not really fuck up :/
[18:09] <gordonDrogon> winlu, try to keep it family friendly please.
[18:09] <gordonDrogon> winlu, Channel Rules as of 6 May '14: http://tiny.cc/h7za1w
[18:10] <Farioko> gordonDrogon: sure, but they don't have a release image for it, which means, no binary updates....
[18:10] <winlu> gordonDrogon: oopsi, will try harder next time
[18:11] <gordonDrogon> Farioko, have to say; I dumped *bsd 20 years ago and haven't missed it.
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[18:11] <Farioko> gordonDrogon: very sad to hear that
[18:12] <gordonDrogon> it didn't serve my needs.
[18:12] <gordonDrogon> I'm not sad at all.
[18:13] * GerhardSchr (~GerhardSc@unaffiliated/gerhardschr) has joined #raspberrypi
[18:13] <gordonDrogon> have to say though I might look at it again. two relatively recent event are make me reconsider.
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[18:15] <Farioko> gordonDrogon: Their new package manager is beautiful :) ZFS, Jails, Ports, PF, BHyve, good network stack, documentation++, true UNIX :-) (no systemD)
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[18:17] <gordonDrogon> Farioko, systemd is one of the reasons.
[18:18] <Farioko> gordonDrogon: one of the reasons you wanna try it out again or that you left BSD? :D
[18:19] <gordonDrogon> however the other things you list are neither here nor there for me. I use Linux routers at Gb speeds - the network stack there is more than adequate, as is ext4 for now, and I care zero for the argument that Linux is not Unix. Get over it, etc.
[18:20] * Slippern (~Slippern@76.109-247-208.customer.lyse.net) has joined #raspberrypi
[18:20] <gordonDrogon> I left BSD as Linux performed better, crashed less and had a better set of supprot hardware/graphics/sound, etc. at the time. (c1995)
[18:21] * chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) has joined #raspberrypi
[18:22] <Farioko> gordonDrogon: yea that's a long time, wasn't even on planet earth then. I feel the other way around, it can't beat desktop Linux, but as a server it's superior.
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[18:23] <gordonDrogon> I have 20 Linux servers in a data centre that pay for themselves that says otherwise.
[18:24] <Farioko> gordonDrogon: don't fix if ain't broken
[18:25] <gordonDrogon> systemd is broken IMO. As is the other reason - the attitused of the Debian people towards the Pi.
[18:25] <gordonDrogon> I have considered slackware.
[18:25] <gordonDrogon> however they don't have a hardfp abi for the Pi )-:
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[18:28] <Farioko> gordonDrogon: I don't know about Slackware, I tried it, but having no good package manager is worse than systemD
[18:29] <gordonDrogon> an issue for me is to stick to Raspbian because that's currently the 99% solution on the Pi. However all my other PCs, etc. run Debian, so from that point of view it makes sense.
[18:29] <gordonDrogon> I'm fairly sure the foundation will stick to Raspbian even when it moves to Jessie & systemd.
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[18:30] <Farioko> And there will probably be ways to replace it with OpenRC :)
[18:31] <gordonDrogon> I don't think so.
[18:31] <gordonDrogon> big userland tools now require systemd - at least on the x86 Debian - e.g. gnome3.
[18:32] <gordonDrogon> if I had time I would produce a complete distro using the debian package manager, but not based on debian/systemd.
[18:32] <gordonDrogon> I use file-rc on my virtual servers and embedded systems.
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[18:37] <Farioko> gordonDrogon: BSD already got a solution for that, Linux guys are stealing that now haha http://bsd.slashdot.org/story/14/09/08/0250207/gsoc-project-works-to-emulate-systemd-for-openbsd
[18:37] * dfguy (dfguy@cpe-174-097-055-064.sc.res.rr.com) has left #raspberrypi
[18:37] <gordonDrogon> oddly enough, I read that earlier. weird.
[18:38] <gordonDrogon> I did try gnome3 under Wheezy. didn't like it. moved back to xfve4.
[18:38] <gordonDrogon> *xfce4
[18:38] <gordonDrogon> I run that on my Pi's too.
[18:38] <gordonDrogon> and laptops.
[18:39] <gordonDrogon> however my wife wants a bit more eye-candy - the only reason I looked at G3 in the first place.
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[18:53] <nid0> I cant remember the last time I even saw a linux gui
[18:54] <nid0> probably when I booted an original pi to squeeze before raspbian came out and had to do it with a monitor to drop to shell and enable sshd
[18:55] <gordonDrogon> I've had a unixy desktop for the past 25 years.
[18:56] <gordonDrogon> I dont count the terminals I used on unix box before that as 'desktop' though :)
[18:56] <gordonDrogon> although screen helped...
[18:58] <pepijndevos> I should really try riscos at some point. I wonder if it's useful or just nostalgic.
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[19:00] <pepijndevos> Does it have libc?
[19:00] <gordonDrogon> I used it way back. like 20 years ago.
[19:00] <gordonDrogon> I think there's a port of gcc to it now.
[19:00] <gordonDrogon> how much libc it has is anyones guess.
[19:00] * lazy_prince is now known as killer_prince
[19:00] <gordonDrogon> I abandoned it. Linux just left it behind.
[19:01] <pepijndevos> It seems cooperative multi threading is all the rage these days
[19:01] <pepijndevos> Node on riscos :D
[19:04] <gordonDrogon> I've been looking at putting coroutines into my basic interpreter too.
[19:06] <gordonDrogon> I do lots of stuff on ATmegas using coroutines.
[19:07] <shiftplusone> gordonDrogon, care to weight in as a hardware developer? Pull downs on by default, yay or nay?
[19:07] <pepijndevos> Nice. Hand coded C, or something else?
[19:08] <gordonDrogon> shiftplusone, let the way the user last set them.
[19:08] <shiftplusone> let's say that's not an option
[19:08] <gordonDrogon> shiftplusone, however the bcm manual lists the default power-on states.
[19:09] <gordonDrogon> so leave them at the defaults then when the Pi powers up, peripherals ought to be wired to pins in the appropriate state.
[19:10] <shiftplusone> From what I can see the arm peripherals manual simply says the pins are inputs, no?
[19:10] <gordonDrogon> unless you install a dt-blog.bin of-course.
[19:10] <gordonDrogon> no - the manual states the pull up/down states at power-on time.
[19:10] <shiftplusone> page?
[19:10] <gordonDrogon> 102
[19:10] <gordonDrogon> & 103.
[19:11] <gordonDrogon> the 2nd column.
[19:11] <shiftplusone> aha, thanks
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[19:12] <gordonDrogon> I originally thought the pull up/down settings were preserved over a power cycle, but it seems not
[19:13] <gordonDrogon> the set mechanism seems like you're clocking data into some sort of eeprom due to the timings...
[19:14] <gordonDrogon> actually, the manual says they are preserved over a power cycle.
[19:14] <gordonDrogon> page 100.
[19:14] <gordonDrogon> I thought I'd read that they were too.
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[19:14] * netzfisch (~Thunderbi@e176110120.adsl.alicedsl.de) has joined #raspberrypi
[19:15] <gordonDrogon> I daresay it's possible someone, somewhere is relying on that...
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[19:15] <shiftplusone> interesting
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[19:16] <gordonDrogon> pepijndevos, my coroutines on the ATmega? I have my own task scheduller thingy for it.
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[19:20] <gordonDrogon> hm. let me test it.
[19:22] * klm[_] (milkman@unaffiliated/klm-/x-7727058) Quit (Read error: Connection reset by peer)
[19:22] <gordonDrogon> at halt time, they're removed and the pins float, and at reboot, they're still floating. (ie. input, high impedance)
[19:23] * klm[_] (milkman@unaffiliated/klm-/x-7727058) has joined #raspberrypi
[19:23] <gordonDrogon> it's not halt time, it's power-on/boot time.
[19:24] * netzfisch (~Thunderbi@e176110120.adsl.alicedsl.de) Quit (Ping timeout: 255 seconds)
[19:24] <gordonDrogon> pi halted & powered on retains the previous state, Pi powered on resets them. lets see if it's gpu boot or Sd boot...
[19:25] * taza (~taza@unaffiliated/taza) Quit (Read error: Connection reset by peer)
[19:25] <gordonDrogon> its boot-code on the SD card. without the SD card plugged in, the pins go to their previous pull up/down state.
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[19:46] <niston> gordonDrogon: whats your basic interpreter?
[19:46] <niston> got a page for it or something?
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[19:51] <gordonDrogon> niston, https://projects.drogon.net/rtb/
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[19:52] <niston> nice
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[19:53] * niston approves
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[20:10] <krabban> I have a plexgear mediatrack edge wireless keyboard with swedis keyboard layout and built in trackpad. I try to reconfigure my keyboard layout but i don't get it right
[20:10] <krabban> I tried the Generic 105 (Intl) keyboard model but it doesn't map the keys right.
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[20:12] <gordonDrogon> niston, it seemed like a good idea at the time :-)
[20:12] <shiftplusone> Bah, what a waste of $200 http://www.bbc.co.uk/news/29210991
[20:13] <ppq> krabban, try in a terminal: setxkbmap se
[20:13] <ppq> krabban, note that this will affect X only
[20:13] <shiftplusone> Could've got a nice bag of pis and a free meal instead.
[20:13] <niston> I think BASIC is very nice for kids to learn to code
[20:13] <niston> and for grown-ups too :)
[20:13] <gordonDrogon> shiftplusone, yup - but then again, what a great opportunity for the doc who did the op!
[20:14] <krabban> ppq: i'm trying to configure it in terminal. i use dpkg-reconfigure keyboard-configuration
[20:14] <shiftplusone> How would you even know if the fish is now brain damaged >.>
[20:14] <shiftplusone> It's swimming around all day like an idiot normally anyway
[20:14] <gordonDrogon> niston, I agree - however it has such a negative "vibe" about it - mostly from old timers who are now a bit too ... "snobbish" for it... (maybe not the right word, but you get the drift)
[20:14] <shiftplusone> anyway... home time >.>
[20:15] <shiftplusone> Though to weigh in on the BASIC thing... it just seems ugly compared to C.
[20:15] <gordonDrogon> try teaching a kid C from day one ... )-:
[20:15] <shiftplusone> bah... repeat until try$ <> "y"
[20:15] <gordonDrogon> you're looking at the symbols not the concept.
[20:15] <shiftplusone> aye
[20:16] <ppq> basic is often taught with a really bad style, like doing everything with GOTO. i wonder why
[20:16] <gordonDrogon> I can replace <> with != or # - they're just symbols.
[20:16] <niston> gordonDrogon: yeah I remember that all too well from my VB6 days.
[20:16] <ppq> (i'm not talkign about the original basic here)
[20:16] <niston> especially linux people would make derrogatory comment about visual basic.
[20:16] <krabban> i will try to reboot
[20:16] <shiftplusone> When I have a kid, I'll make sure they're raised in a proper C household.
[20:16] <gordonDrogon> ppq, take away the line numbers and remove labels -> no goto possible...
[20:17] <gordonDrogon> just remember that there are more basic programs and programmers than python programs and programmers out there today.
[20:17] <shiftplusone> is that counting visual basic?
[20:17] <gordonDrogon> yup.
[20:17] <gordonDrogon> and VBA
[20:17] <shiftplusone> and if you don't count it?
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[20:18] <gordonDrogon> they're still vaid programming languages although I'm not a fan of them myself.
[20:18] <niston> well I was more thinking of CBM basic in my original statement
[20:18] <shiftplusone> vb is a bit of a different beast to what most people would consider basic.
[20:18] * tanuva (~tanuva@2a02:8071:29c1:7500:7939:524c:81a5:ef7d) Quit (Quit: Leaving.)
[20:18] <niston> but back then, almost nobody had an idea about computers anyways, so no derrogatory comments :>
[20:18] <shiftplusone> anyway... bye
[20:18] <gordonDrogon> enjoy!
[20:18] <niston> bb
[20:19] <niston> and CBM basic was really easy to learn
[20:19] <krabban> Now it works. I just had to restart my Pi
[20:19] <gordonDrogon> what I found intersting doing some research was the basic was evolving nicely then the 8-bit micros sort of took over and due to their limitations compared to the minis/mainframes the language changed a little - maybe not for the best.
[20:19] <gordonDrogon> however it was a fantastic success in the late 70's/80's to get more people into programming.
[20:19] <niston> probably even in the 90s :)
[20:20] <gordonDrogon> I started in 77/78.
[20:20] <niston> that when I was born, heh
[20:20] <niston> 1978¨
[20:20] <gordonDrogon> well I was 16 then.
[20:20] <niston> I often wished to be older too, back then.
[20:20] * tanuva (~tanuva@HSI-KBW-046-005-002-099.hsi8.kabel-badenwuerttemberg.de) has joined #raspberrypi
[20:21] <niston> *I was*
[20:21] <gordonDrogon> http://unicorn.drogon.net/lode.jpg
[20:21] <Armand> gordonDrogon: How dare you start something around the time I was born!
[20:21] <gordonDrogon> an Apple II - from 1978.
[20:21] <Armand> Old git. :P
[20:21] <gordonDrogon> only 51. not that old! 51 is the new 21
[20:21] <Armand> Hehe
[20:21] <niston> hahaha =)
[20:21] * desikitteh{HH}[t (~desi@unaffiliated/desikittehgh/x-1509123) Quit (Ping timeout: 250 seconds)
[20:21] <Armand> I wouldn't know.. I'm 36 next month.
[20:21] <niston> me too
[20:22] <Armand> Feels like the new 86 to me. :P
[20:22] <gordonDrogon> just don't stop. that's my plan.
[20:22] <gordonDrogon> keep the little grey cells active.
[20:23] <gordonDrogon> here's a bigger example in RTB: http://unicorn.drogon.net/snake.rtb
[20:23] <niston> hmm I cant reach my Pi oO
[20:23] <niston> Appears to boot but doesnt come up on the network -.-
[20:23] <gordonDrogon> https://projects.drogon.net/lmc/ <- Little Man computer - written in RTB :)
[20:23] <gordonDrogon> niston, no ping?
[20:23] <gordonDrogon> is it plugged in, etc.
[20:24] <niston> yup. will have to hook it to a display
[20:24] <niston> it worked yesterday
[20:24] <niston> didnt touch it since
[20:24] <niston> ah
[20:24] <niston> now wheres that HDMI/VGA adapter....lol
[20:25] <gordonDrogon> did you see that it's possible to do VGA directly off a B+ now?
[20:25] <niston> yüp
[20:25] <gordonDrogon> might have to wait until someone starts to make the PCBs.
[20:25] <niston> thats old school style, that VGA board
[20:25] <niston> hackery@#!
[20:26] <gordonDrogon> yes. it's 3 x 6-bit DACs implemented in resistors.
[20:26] <niston> now I need to find a free mains receptacle
[20:26] <gordonDrogon> back inna tick.
[20:26] <niston> yeah and it doesnt use much CPU either, soo neat.
[20:29] * MikeJ1971 (~MikeJ1971@vpn-user-249-157.nomadic.bris.ac.uk) Quit (Quit: Bye!)
[20:29] <niston> interesting
[20:29] <niston> eth0 lost its ip address
[20:31] <Armand> Check down the back of the sofa
[20:32] <niston> omg teh nsa stoel it!
[20:32] <Armand> Haha
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[21:03] <CoJaBo> Is there code for the pi to write to a serial-with-strobe-line?
[21:04] <gordonDrogon> sounds like SPI.
[21:06] * lost_soul (~noymfb@cpe-67-246-98-246.twcny.res.rr.com) has joined #raspberrypi
[21:07] <CoJaBo> gordonDrogon: SPI has a strobe line?
[21:08] <gordonDrogon> it has a chip-enable sort of line and a clock line.
[21:08] <gordonDrogon> so you start a transaction, the CE line goes low, the clock it toggled with each data bit sent out, then the CE line goes high again.
[21:08] <gordonDrogon> CE might be the other way round, I can't remember)
[21:09] * esas (~esas@unaffiliated/esas) Quit (Read error: Connection reset by peer)
[21:09] <lost_soul> does anyone else have an issue with a ssh error of something broken pipe when they leave a session idle for to long?
[21:09] <lost_soul> I'm using Raspbian btw
[21:09] <CoJaBo> gordonDrogon: ah, it looks like it might be.. the names are just different
[21:10] <gordonDrogon> lost_soul, going via a NAT gateway or direct? or wired or via Wi-Fi?
[21:10] <gordonDrogon> CoJaBo, talking to a peripheral of some sort?
[21:11] <CoJaBo> gordonDrogon: A VFD display
[21:11] <lost_soul> gordonDrogon: NAT, hardwired
[21:11] <lost_soul> gordonDrogon: it's also worth noting that other systems on the same network don't experience this issue
[21:12] <lost_soul> I googled and added ClientKeepAlive 60 or some such similar to my sshd_config
[21:12] <knob> lost_soul, I have that problem... yet that is because of my net connection
[21:13] <knob> I either leave my sessions in top
[21:13] <knob> or I did what you said with the sshd_config yet I place it at 30 seconds
[21:13] <lost_soul> other recommendations on the same link I found the first said to turn TCP keepalive to off but I have not yet done that as another poster said that didn't work for them
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[21:14] <lost_soul> knob: the odd thing is that it will do it well after the sixty seconds.. At times it will work for hours without an issue and then all of a sudden it happens
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[21:14] <gordonDrogon> CoJaBo, oh that - yes, use SPI.
[21:15] <CoJaBo> gordonDrogon: Is there a way to control it from, something other than C? >_>
[21:15] * Anderson69s (~Anderson6@i16-les02-ix2-176-180-132-109.sfr.lns.abo.bbox.fr) has joined #raspberrypi
[21:15] <mikroskeem> hey is that true every rpi has eth0 mac address "b8:27:eb:6a:25:19" ?
[21:15] <gordonDrogon> yea, nat gateway - timeouts is what I'd suggest looking at...
[21:15] <lost_soul> I will try to adjust the timing to 30 before I reboot next and see if that helps. I must say I doubt it though as, like I said, at times it works for a few hours before it borks on me.
[21:15] * iceCalt_ (~iceCalt@p5DDCCD17.dip0.t-ipconnect.de) has joined #raspberrypi
[21:15] <niston> heh
[21:15] <niston> http://blogs.msdn.com/b/brunoterkaly/archive/2014/06/11/mono-how-to-install-on-a-raspberry-pi.aspx
[21:15] <gordonDrogon> mikroskeem, no. the bottom 6 digits are unique to each Pi
[21:15] <knob> lost_soul, sounds more like something on the network?
[21:15] <niston> msdn has a raspberry pi entry
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[21:16] <mikroskeem> gordonDrogon: very good :)
[21:16] <Armand> niston: Only says "huh?"
[21:16] * mikroskeem (mikroskeem@50708355.static.ziggozakelijk.nl) has left #raspberrypi
[21:16] <lost_soul> knob: I'll look at the network again.. just seems strange the other systems don't experience the issue
[21:16] <gordonDrogon> mikroskeem, the bottom 6 digits are the Pi's serial number - see it in /proc/cpuinfo too.
[21:16] <knob> true
[21:16] <gordonDrogon> CoJaBo, there are python SPI libraries...
[21:17] <gordonDrogon> CoJaBo, although driving SPI from a program is relatively easy in any language that can open files.
[21:17] <CoJaBo> O it's just a device file..
[21:18] <gordonDrogon> CoJaBo, after the spi device driver has been loaded you have /dev/spidev0.0 and /dev/spidev0.1. Pi has 2 SPI CE lines.
[21:18] * H4ckc0d3 (~H4ckc0d3@ Quit (Remote host closed the connection)
[21:18] <gordonDrogon> CoJaBo, look at wiringPiSPI.c if you want an example of how it's done - it's not difficult and I'm sure that would translate to other languages.
[21:18] <lost_soul> actually I'll adjust the setting in sshd_config now and test it.. no time like the present, brb
[21:18] * lost_soul (~noymfb@cpe-67-246-98-246.twcny.res.rr.com) Quit (Quit: leaving)
[21:19] * iceCalt (~iceCalt@p5DDCFD21.dip0.t-ipconnect.de) Quit (Ping timeout: 272 seconds)
[21:19] <CoJaBo> gordonDrogon: Is there a standard/common lib in Python?
[21:19] <gordonDrogon> CoJaBo, Python? what's that? a snake on a Pi?
[21:20] <CoJaBo> I hate Python, but I hate C more.. lol
[21:20] <gordonDrogon> I only program in C (& RTB) these days...
[21:20] <gordonDrogon> Python is read-only.
[21:20] * averagecase (~anon@cl-6544.cgn-01.de.sixxs.net) has joined #raspberrypi
[21:21] <CoJaBo> RTB?
[21:21] * lost_soul (~noymfb@cpe-67-246-98-246.twcny.res.rr.com) has joined #raspberrypi
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[21:23] <gune> Hey again guys. So i got a heatsink for the rpi(i know it might not be needed, but it was cheap so). Anyway, im getting 50-70C on the CPU during openElec navigation/playback, is this ok?
[21:23] * Hydra_ (~Hydra@5751c98f.skybroadband.com) Quit (Quit: HydraIRC -> http://www.hydrairc.com <-)
[21:25] <TheHacker66> gune: don't think so
[21:25] <NedScott> gune: seems kinda high
[21:25] <gordonDrogon> CoJaBo, Return to Basics
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[21:27] <lost_soul> gune: I've only seen in the low 60's on mine even without a heatsink
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[21:28] <lost_soul> generally mid to high 50's if memory serves (I don't check it very often anymore)
[21:28] <NedScott> gune: internets tell me that is within acceptable range for the SoC
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[21:29] <gune> Alright cool. although, the 70C i only get during idle on the home screen
[21:29] <gune> i think its due to a bug in the theme or something the theme is doing
[21:29] * Farioko (51e83d51@gateway/web/freenode/ip. Quit (Quit: Page closed)
[21:30] <NedScott> what skin are you using?
[21:30] <TheHacker66> It's still weird tho, I got 55° max while streaming 1080p movies, no heatsinks
[21:30] <NedScott> and is the RSS feed on?
[21:30] * morenoh153 (~morenoh14@173-228-123-196.dsl.dynamic.sonic.net) has joined #raspberrypi
[21:30] <gune> on the system summary page its at 50C, during playback of a 10GB 1080p movie its at 52C
[21:30] <NedScott> XBMC is funky with scrolling text
[21:30] <gune> 60-62C, not 52
[21:30] <winlu> hell i never got near 70 even with overclocking, a case, and no cooling :/
[21:30] <gune> and Quartz is the theme
[21:30] * sphenxes (~sphenxes@91-119-125-91.dynamic.xdsl-line.inode.at) Quit (Quit: Leaving)
[21:30] <gune> this is with a case
[21:30] * chaotic (~chaotic@unaffiliated/chaotic) Quit (Ping timeout: 258 seconds)
[21:31] <winlu> since i don't do overclocking anymore i don't even break 50 most of the time :/
[21:31] <lost_soul> TheHacker66: streaming content seems to not work the cpu like browsing the interface. I've noticed lower temps and cpu usage while playing video in comparison to browsing the interface
[21:31] <nid0> your temp is high but perfectly acceptable
[21:31] <gune> alright cool. just wondering if i should worry yet. i might try the default openelec theme and see if theres a differance
[21:32] <gune> but yea, streaming/playback is much cooler, for whatever reason
[21:32] <gune> not that i complain
[21:32] <TheHacker66> lost_soul: oh, I thought streaming would cause more heat, but yeah, I noticed major slowdowns during library updates
[21:32] <TheHacker66> and scrolling too
[21:32] <gune> Yea same here, i had to run a library update on 1,300 episodes and some 70 movies :/
[21:33] <TheHacker66> jesus
[21:33] <lost_soul> TheHacker66: have top running in a ssh terminal both when you're browsing around the interface and playing a movie.. do same with the temp.. it's unreal
[21:34] <gune> agreed, i was suprised as well
[21:34] <gune> dodgy programming? not sure
[21:35] <TheHacker66> I remeber having to restart xbmc because it was using 100% cpu while doing exactly nothing, judging from the debug logs and top
[21:35] <NedScott> yeah, video playback is done by the VPU
[21:35] <winlu> video playback is not done by cpu guys...
[21:35] <NedScott> otherwise there's no way you could do 1080 on the Pi :)
[21:35] * psyclepath (~psyclepat@unaffiliated/psyclepath) Quit (Quit: cya)
[21:36] <TheHacker66> boadcom VideoCore IV kicks ass
[21:36] <TheHacker66> broadcomé
[21:36] <TheHacker66> shitty keyboard
[21:37] <gune> alright, 52C at system summary right now, without case. gonna try the home screen, just for fun
[21:37] <CoJaBo> gordonDrogon: ..probably stupid question, but is there documentation on which pins the thing is actually on? >_>
[21:37] <TheHacker66> have u seen the new b+ model? too bad microsd substitutes the sd slot, I would have loved another usb port
[21:38] <CoJaBo> TheHacker66: I have one =D
[21:38] <lost_soul> how does one relate to the other? I actually prefer microsd
[21:38] <TheHacker66> kewl
[21:39] <CoJaBo> The biggest advantage is the thing doesn't stick out 3 miles. heh.
[21:39] <gune> lol, 60C
[21:39] <lost_soul> yea
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[21:39] <gune> 10 degrees+
[21:39] <TheHacker66> Has anyone tried using a usb hub? don't know if the pi could handle it
[21:39] <CoJaBo> I hate how far the A/V jack sticks out tho, ugh..
[21:39] <lost_soul> a lot of ppl use powered hubs
[21:39] <CoJaBo> TheHacker66: The B+ seems to have ample power on the USB
[21:40] <CoJaBo> I plugged 4 things into it, and it had no issues
[21:40] * Encrypt (~Chuck-nor@AMontsouris-553-1-77-251.w92-151.abo.wanadoo.fr) has joined #raspberrypi
[21:40] <TheHacker66> amazing
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[21:41] <CoJaBo> Someone else managed to power 2 other pis from the B+, tho it needed a software/firmware hack
[21:41] <TheHacker66> ah, I also forgot to mention I have wallpapers rotating on the main screen, both for tv series and movies sections
[21:41] <NedScott> probably not a "hack", but just setting the output power to high
[21:41] <gune> I dont, just thumbnails
[21:41] <NedScott> max_usb_current=1 in config.txt
[21:41] <CoJaBo> NedScott: Yeh
[21:41] <gune> TheHacker66 -> http://www.mirrorservice.org/sites/addons.superrepo.org/addons/frodo/skin.quartz/fanart.jpg
[21:42] <CoJaBo> NedScott: It must've been an older revision tho, it was a bit more hacky than that
[21:42] <TheHacker66> CoJaBo: Heh, you should see the Rpi cluster
[21:42] <NedScott> hmm
[21:42] * CoJaBo is trying to get a VFD to work right now
[21:42] <NedScott> I got an ODRIOD-W the other day
[21:42] * jiuweigui (~jiuweigui@unaffiliated/jiuweigui) Quit (Quit: I gotta run. I've got universe to master.)
[21:42] * CoJaBo starting to worry the PSU might be toast tho :/
[21:43] <TheHacker66> http://4.bp.blogspot.com/-kh_yH3Ssw3M/USTI_rkrpFI/AAAAAAAADJk/OsVFC75pAio/s1600/rpi-cluster.png
[21:43] <NedScott> plugged an R-Pi TFT display into it and used the same microsd card and it worked great
[21:43] <TheHacker66> that's some serious stuff
[21:43] <Encrypt> I've made a cluster too :)
[21:43] <CoJaBo> If this PSU is fried, I'm probably done <_<
[21:43] <Encrypt> With 5 RPis
[21:43] * bearpaws (~nuclearbe@host-78-147-248-125.as13285.net) Quit (Quit: Leaving)
[21:43] <NedScott> I want to see a compute module cluster
[21:44] <Encrypt> NedScott, +1
[21:44] <TheHacker66> and that's a small one
[21:44] <Encrypt> I might design one if I have time...
[21:44] <gune> i remember some dude doing a rpi cluster for bitcoin stuff
[21:44] <CoJaBo> What does one do with a pi=cluster? rofl
[21:44] <TheHacker66> http://regmedia.co.uk/2012/09/12/supercomputer_raspberry_pi_2.jpg
[21:44] <TheHacker66> that's the big brother
[21:44] <NedScott> I would hope they're not actually using it as a cluster, but just as a rack of Pis
[21:44] <Encrypt> CoJaBo, A low power with medium charge web server
[21:45] <NedScott> since it really wouldn't be worth it power/CPU wise
[21:45] <gune> Yepp, switched to the Confluence(default) theme and cpu went from 63C at idle to 52C
[21:45] <gune> :/
[21:45] <TheHacker66> blame the dev
[21:45] <gune> 51C* still going down
[21:45] <gune> lol
[21:46] <TheHacker66> you can go on the xbmc plugin wiki and edit the quartz skin page
[21:46] <gune> Oh im a developer myself, and crappy code does piss me off a bit
[21:46] <gune> already asked in their forums
[21:46] <TheHacker66> add "Quartz SUCKZ"
[21:46] <TheHacker66> no offence meant
[21:47] <TheHacker66> just a bit
[21:47] <TheHacker66> by the way, I don't think that rack is using much power
[21:47] <gune> yea its just too bad, theme looks good
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[21:52] <mikroskeem> gordonDrogon: do you get i/o errors on pcf8574 with rpi?
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[22:09] <The_HunterT> Anyone know how to run two servos off one raspberry pi?
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[22:11] <CoJaBo> The_HunterT: There's supposed to be a way to do PWM in software
[22:11] <CoJaBo> Otherwise, you'd probably need a controller
[22:12] * bart_b (~bart_b@unaffiliated/bart-b/x-7974760) Quit (Ping timeout: 245 seconds)
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[22:16] <teepee> The_HunterT: https://learn.adafruit.com/adafruits-raspberry-pi-lesson-8-using-a-servo-motor/the-pwm-and-servo-kernel-module
[22:16] * shivers (~shivers@ Quit (Quit: My Computer has gone to sleep. ZZZzzz…)
[22:17] <gordonDrogon> mikroskeem, I never have...
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[22:18] <gordonDrogon> The_HunterT, the B+ has both PWM outptus accessible. don't do it in software, use servoblaster which (ab)uses the dma engine...
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[22:34] <gune> Seems the culprit causing the high CPU load at idle might be text scrolling in the menu items
[22:35] * hurgh_afk (~Hurgh@2001:44b8:417c:1a00::3) has joined #raspberrypi
[22:36] <niston> attempting to design a small software plc for the pi
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[22:36] <niston> im not sure on how to handle pin directions..
[22:36] * The_HunterT (~hunter@ Quit (Ping timeout: 258 seconds)
[22:36] <niston> if I have an Object "GPIO" with a number of Pins, and each pin has a direction (Input/Output)
[22:36] <niston> I think it will lead to confusion
[22:37] <niston> if I want to link it to another Object "NAND", again with a number of Pins etc
[22:37] * Squarepy (~Squarepy_@unaffiliated/squarepy) Quit (Quit: Leaving)
[22:37] <niston> the "GPIO" input pin would actually be an output
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[22:37] <niston> outputing to the "NAND" input Pin
[22:38] <niston> confusing. need a better system.
[22:40] <mikroskeem> gordonDrogon: how!? i get randomly Input/Output error
[22:41] <mikroskeem> is power it over 3,3v
[22:41] <mikroskeem> s/is/i/
[22:41] <mikroskeem> do i need to ground address pins?
[22:42] * mspe (~mspe@2205ds5-od.0.fullrate.dk) Quit (Remote host closed the connection)
[22:44] <gordonDrogon> mikroskeem, you need ground plus the 2 I2C pins to the device.
[22:44] <gordonDrogon> power from the Pi or external power.
[22:44] <mikroskeem> year i know that
[22:45] <mikroskeem> but problem is that those io error messages come randomly
[22:45] <mikroskeem> sometimes chip works, but then it spits out those errors .-.
[22:45] <gordonDrogon> what driver software are you using - wiringPi, or ?
[22:46] <mikroskeem> bare sysfs
[22:46] <mikroskeem> tried with wiringpi and smbus
[22:46] <mikroskeem> same problem
[22:46] <gordonDrogon> sysfs? for i2c ?
[22:46] <gordonDrogon> hm.
[22:46] <mikroskeem> don't you remember? i even gave link
[22:46] <gordonDrogon> how long are the wires?
[22:47] <gordonDrogon> mikroskeem, er.. sorry.
[22:47] <mikroskeem> w8 le me measure them
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[22:47] <mikroskeem> about 14cm
[22:48] <mikroskeem> ah i think i fixed it
[22:48] <mikroskeem> i had to ground address pins
[22:48] <gordonDrogon> ah, the address select pins on the pcf8574 .. right.
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[22:49] <gordonDrogon> maybe it was changing address due to noise or something ...
[22:49] <mikroskeem> gordonDrogon: https://github.com/notro/rpi-source/wiki/Examples-on-how-to-build-various-modules#pcf8574
[22:49] * Gazpaxxo (~bizarro_1@40.Red-83-53-193.dynamicIP.rima-tde.net) has joined #raspberrypi
[22:49] <mikroskeem> there's info about pcf8574 with sysfs
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[22:51] <gordonDrogon> mikroskeem, ah, of-course - earlier today. yes, sorry.
[22:51] <mikroskeem> no problem :p
[22:51] <mikroskeem> i tought problem was in i2c bus speed
[22:51] <mikroskeem> *thought
[22:51] <gordonDrogon> it's obviously been a long day :)
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[22:51] <gordonDrogon> I run it at 400Khz for a lot of things, but the signal quality leaves a lot to be desired on a scope.
[22:52] <mikroskeem> normal speed is 100khz?
[22:52] * jlf`` (~user@pdpc/supporter/active/jlf) has joined #raspberrypi
[22:52] <gordonDrogon> yes.
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[22:52] <gordonDrogon> unload the I2c kernel module, then gpio load i2c 400
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[22:53] <mikroskeem> meh, i haven't gpio utility installed yet
[22:53] <gordonDrogon> it's part of wiringPi.
[22:54] <gordonDrogon> I've tried at 1Mhz and beyond ... unusable, but I did get the PiGlow to work at 800Khz.
[22:54] * wiiguy (~fake@unaffiliated/wiiguy) Quit (Quit: I just broke my connection, but no worries, we can rebuild it. We have the technology.)
[22:54] <mikroskeem> ah right
[22:54] <mikroskeem> it is part of wiringpi
[22:55] * NedScott shakes fists at this TFT screen
[22:55] <NedScott> I bought it cheap off of ebay, figuring I could wire it up
[22:55] <mikroskeem> also has anyone tried i2c gpio bitbang module?
[22:55] <NedScott> I finally broke down and bought one that was specifically wired up for the Pi, and I love it, but I figured I'd give this guy a chance again
[22:56] <NedScott> no, but I feel smart because I think I know what that is :)
[22:56] <NedScott> (maybe)
[22:56] <mikroskeem> i want to try that out
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[22:58] <NedScott> gune: yeah, XBMC is oddly wacky about scrolling text. Probably some code left over from the original xbox days
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[23:00] <gune> might be yea. dont have the rpi here atm but will try to disable when i have it
[23:01] <gordonDrogon> mikroskeem, I've not done it on a Pi.
[23:01] <gordonDrogon> mikroskeem, it might work... maybe... :)
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[23:13] * Armand (~martin@2a01:9cc0:40:6:c5a:1d99:d8ce:5d06) Quit (Quit: Rest in peace, you crazy, funny man.)
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[23:15] <mikroskeem> i bought pcf8574 for expanding gpio pins for my router
[23:15] <gordonDrogon> they're cheap & simple for an 8-bit port.
[23:16] <mikroskeem> but i broke my router and i had nothing to do with it
[23:16] <gordonDrogon> actually, read he data sheet - they're very weird when it comes to input mode!
[23:16] <mikroskeem> hmm okay
[23:17] <gordonDrogon> you need to set them high as outputs to read them as inputs...
[23:17] * ppq (~ppq@unaffiliated/ppq) Quit (Quit: Leaving)
[23:17] <mikroskeem> wth
[23:17] <gordonDrogon> they are failry weakly driven high - if you want to drive LEDs with them, then get them to sink the current - ie. set output to 0 to make LED light up.
[23:18] <gordonDrogon> so 3.3v -> R -> LED -> pin
[23:18] <gordonDrogon> it's jus an "optiisation" on the chip (ie. cheapness :-)
[23:18] * chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) Quit (Quit: Leaving)
[23:18] <mikroskeem> cheap things are weird
[23:18] <CoJaBo> gordonDrogon: I saw something that went into a LOT more detail even than that lol..
[23:19] <CoJaBo> Conductivity of N vs P or something
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[23:20] <mikroskeem> device tree seems nice
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[23:21] <mikroskeem> i could define pcf expander into device tree, so i dont have to run commands every time to detect pcf
[23:21] * mspe (~mspe@2205ds5-od.0.fullrate.dk) Quit (Remote host closed the connection)
[23:21] <mikroskeem> *to detect it
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[23:28] <willmore> Anyone know if there is any hardware crypto in the rPi? I'm looking at speed comparisons between the rPi and the Intel Quark processor on the arduino board. The speed increase in AES is way higher than in any of the other crypto functions in openssl that I see.
[23:29] <willmore> Maybe the ARM code for AES is just really good. The rPi does better at smaller block sizes compared to the quark. up to 9x vs 6x at large blocks.
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[23:29] <willmore> Come to think of it, that doesn't sound like hardware acceleration at all. Generally those do horribly at small blocks because key setup is still done by the CPU.
[23:30] * lupinedk is now known as Lupinedk
[23:30] <willmore> Here's a link to my data: https://docs.google.com/spreadsheets/d/12wDM-puCH1q_2hNN_2ohxEZeM78HKaDWk5HKmRUo_Og/edit?usp=sharing
[23:31] <willmore> B940 is my laptop (2.0 GHz sandybridge era chip) quark is obvious and the next lines are an rPi B+ at various overclocks on raspbian.
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[23:38] <gordonDrogon> all I know is that scp is pretty slow.
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[23:41] <zylinx> has anyone found an efficient way to use the RPi as a host for network screen?
[23:41] <zylinx> to stream my screen to the pi
[23:41] <zylinx> vnc is so slow
[23:42] <SpeedEvil> Pi is too slow
[23:42] <SpeedEvil> At least - unless you push it a h.264 stream
[23:42] <SpeedEvil> That might work
[23:45] <niston> how does piwall do it?
[23:45] <niston> or does that require the same file on each tile Pi ?
[23:46] * longbeach (~mike@AFontenayssB-152-1-58-166.w82-121.abo.wanadoo.fr) Quit ()
[23:46] <SpeedEvil> I dunno.
[23:46] <niston> and is really just a player with fancy network sync and cropping ?
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[23:46] <SpeedEvil> I would have thought that's how it's done - or it's using the GPU to only play a window of a streamed file
[23:46] <willmore> Updated the sheet to have some better description of WTF it is.
[23:46] <SpeedEvil> That woud be 'free' if the GPU cand oi t
[23:46] <niston> willmore: ops per second?
[23:47] <willmore> niston, only for the RSA/DSA. The rest is bytes/s
[23:47] <niston> oic
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[23:47] <Tinkerton> Hi folks
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[23:47] <willmore> Regardless, higher is better. :) The stuff off to the side--which I didn't describe are relative values based on the quark.
[23:48] <willmore> Hmm, anyone got data on the Yun?
[23:49] <niston> SpeedEvil: so you could create a h.264 stream on say, a server machine with a frame grabber, and distribute it to the Pis, and have each videocore show a portion of that stream?
[23:50] <SpeedEvil> niston: I don't know how the piwall waorks
[23:50] <SpeedEvil> it may rely on segmenting the video first
[23:50] <niston> no I mean per your suggestion.
[23:50] <SpeedEvil> Well - assuming the GPU can do that
[23:50] <SpeedEvil> I don't know it can
[23:50] <niston> ah, there's that :)
[23:50] <SpeedEvil> Or rather - that that capability has been exposed
[23:50] <SpeedEvil> (if it can)
[23:51] <niston> however if it just was one stream with the full image, and you had a large number of screens, the resolution of the source stream must be ultra super high
[23:51] <niston> unless it could rescale on the fly, that is
[23:52] <SpeedEvil> I don't off-hand know if the pi can rescale (say) a 120*160 h.264 image over fullscreen
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[23:58] <Matt> SpeedEvil: I don't have concrete evidence, but empirical evidence would say yes it can
[23:59] * SpeedEvil wants concrete.
[23:59] <Matt> specifically, I have a pi running openelec attached to a 1080p TV, and I can play 320p video fullscreen
[23:59] <SpeedEvil> (specifically about 3m^3 around his pond

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