#raspberrypi IRC Log


IRC Log for 2015-02-06

Timestamps are in GMT/BST.

[0:00] <traeak> i jumped early on the rpi-b model and sold it right away...too damn unstable
[0:00] <Gadgetoid> shiftplusone: as in, the devices show up in /dev but don't actually detect any i2c devices
[0:01] <pwillard> Is there a good known working Bluetooth 4.0 usb adapter?
[0:01] * goodem (~goodem@gateway/tor-sasl/goodem) has joined #raspberrypi
[0:01] * Hasselsaurus (~broseidon@c-24-3-16-60.hsd1.pa.comcast.net) Quit (Ping timeout: 264 seconds)
[0:02] * IT_Sean is now known as IT_Carryout
[0:03] <clever> ali1234: when i was doing yuv420, i noticed that vc_dispmanx_resource_write_data will zero out the part you dont specify
[0:03] <clever> ali1234: because of API issues, setting the correct width/height only copies the Y field, UV are ignored and wind up zerod
[0:03] <ali1234> huh... i'll stick to RGB565 for now... that works
[0:03] <Cirrus_Minor> traeak: i digress my highest uptime is over 100 days (headless)
[0:03] <clever> if the bits per pixel doesnt match up right, it will copy part of the frame
[0:04] * DJRWolf (~DJRWolf@c-50-165-77-13.hsd1.il.comcast.net) Quit (Quit: Leaving.)
[0:04] <ali1234> sure... i don't see how 1BPP could ever be anything other than black or white though
[0:04] <clever> yeah
[0:04] <clever> so it may be treating it as a different format
[0:04] <Cirrus_Minor> traeak: it would be moar but ... pacman
[0:04] <clever> and the 0x55 winds up being part of the blue field
[0:04] * speeddragon (~speeddrag@gateway/tor-sasl/speeddragon) Quit (Remote host closed the connection)
[0:05] * chipmadness (~chipmadne@75-134-183-81.dhcp.bycy.mi.charter.com) Quit (Quit: Leaving)
[0:05] <clever> ali1234: oh, another idea
[0:05] <Cirrus_Minor> the new pi is darned nice
[0:05] <clever> ali1234: 32bit RGBA, only set the alpha
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[0:05] * Fishy__ (~fishy@pool-108-3-182-143.bltmmd.fios.verizon.net) has joined #raspberrypi
[0:05] <clever> ali1234: so instead of having to set rgb to full to get white, you set alpha to let the background bleed thru or not
[0:07] <traeak> Cirrus_Minor: this was an early model...pushing the video + cpu + network sometimes led to wierd behaviors due to power...and the rpi was slower so i sold to somebody who probably was going to use it more appropriately
[0:07] <clever> 565 is 16 bpp, which is 2 bytes per pixel, more writes
[0:07] * kiely_elsewhere is now known as kiely
[0:07] <traeak> Cirrus_Minor: however the rpi did run jagged alliance pretty well
[0:07] <clever> vs 1 byte of alpha to turn the whole pixel on/off
[0:07] <clever> but the cpu is 32bit, so not sure which would go faster
[0:07] <traeak> Cirrus_Minor: except for when it started to go crazy that is
[0:07] <ali1234> i don't think speed will be an issue
[0:07] * Fishy_ (~fishy@pool-108-3-182-143.bltmmd.fios.verizon.net) has joined #raspberrypi
[0:08] <Cirrus_Minor> traeak: yer mine is early model too, and yer it does require a decent power draw
[0:08] <Gadgetoid> shiftplusone: whatever those i2c baudrate settings are in that dtb, they appear to break i2c
[0:08] <ali1234> i implemented this in python with software surfaces and it worked fine
[0:08] * Fishy__ (~fishy@pool-108-3-182-143.bltmmd.fios.verizon.net) Quit (Read error: Connection reset by peer)
[0:08] <ali1234> on a PC of course but it wasn't a fast one
[0:08] <clever> but that was probly on a multi-ghz system
[0:08] <clever> yeah
[0:08] <ali1234> it was a 2006 era PC
[0:08] * TheWarden (~chatzilla@S010608bd43aaeb24.ss.shawcable.net) Quit (Quit: ChatZilla [Firefox 35.0.1/20150122214805])
[0:09] <ali1234> we'll see anywya... i want to just get it doing 1 packet for now
[0:09] <ali1234> with tuning controls
[0:11] <Gadgetoid> shiftplusone: false alarm, possibly, might be that it's just not plug-n-pray anymore
[0:11] * Mikelevel (~MoVeWoRk@unaffiliated/mikelevel) Quit (Read error: Connection reset by peer)
[0:11] * Sir_Pony (~rawr@cpe-174-099-005-078.nc.res.rr.com) Quit (Ping timeout: 245 seconds)
[0:11] <Gadgetoid> Man that's going to be a hard habit to breal
[0:12] * c^ (~ChipUK@unaffiliated/chipuk) Quit (Remote host closed the connection)
[0:12] <Cirrus_Minor> this is a nice music player for pi works with or without X http://cirrusminor.info/2014/03/22/open-cubic-player/
[0:14] * HerbTarlek (~HerbTarle@adsl-69-210-142-101.dsl.milwwi.ameritech.net) has joined #raspberrypi
[0:16] * nezZario (~nez@unaffiliated/nezzario) Quit (Quit: Changing server)
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[0:17] * Boyne (~cirrus@host-92-22-25-94.as13285.net) has joined #raspberrypi
[0:17] <spudtatoe> Is OSMC compatible for the pi 2?
[0:18] * Herb_Tarlek (~HerbTarle@adsl-69-210-140-12.dsl.milwwi.ameritech.net) Quit (Ping timeout: 264 seconds)
[0:18] * HerbTarlek is now known as Herb_Tarlek
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[0:21] <shiftplusone> spudtatoe, you can find that information on their website.
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[0:33] * Cirrus_Minor (~Cirrus_Mi@CAcert/Cirrus-Minor) Quit (Quit: ◀▬▬ ••••••ᗣ••••••ᗧ•ᗣᗣ••••◀▬▬ We Love You)
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[0:34] * Boyne (~cirrus@host-92-22-25-94.as13285.net) Quit (Quit: Lost terminal)
[0:37] * cave (~various@gateway/tor-sasl/cave) Quit (Remote host closed the connection)
[0:38] * Diaoul (~Diaoul@static-5-51-3-145.ftth.abo.bbox.fr) Quit (Quit: ZNC - http://znc.in)
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[0:43] <spudtatoe> Urhg, I don't think the pi can power the hdd
[0:44] * mang0 is now known as mang0|AFK
[0:45] <seitensei> spudtatoe: it won't, use an external power source ^^
[0:45] <spudtatoe> sounds like lots of money haha
[0:45] * Cirrus_Minor (~Cirrus_Mi@CAcert/Cirrus-Minor) has joined #raspberrypi
[0:45] <Dalboz> spudtatoe, or a powered usb hub
[0:46] <spudtatoe> How would that work?
[0:46] * IT_Carryout is now known as IT_Sean
[0:46] * DrBrownBear (~DrBrownbe@gateway/vpn/privateinternetaccess/drbrownbear) has left #raspberrypi
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[0:48] <spudtatoe> I think what I want is out of my brain capacity lol
[0:50] <spudtatoe> You can use the pi's as a media server right? so the files are on the hdd hooked up to a pi but then accessible from other pc's around the house so you could stream off it?
[0:50] * _Trullo (guff33@90-231-188-142-no124.tbcn.telia.com) Quit (Ping timeout: 245 seconds)
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[0:50] <traeak> why not?
[0:51] <spudtatoe> Ive tried so many guides but I can never do it..
[0:54] * Macuser (~textual@unaffiliated/macuser) Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
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[1:06] <Gadgetoid> Hmm, are there any device tree settings or otherwise related to enabling dma?
[1:06] * ukgamer is now known as ukgamer|away
[1:06] * ant_thomas (~ant_thoma@cpc13-blbn9-2-0-cust272.10-1.cable.virginm.net) Quit (Quit: HydraIRC -> http://www.hydrairc.com <- Would you like to know more?)
[1:07] <DF3D2> spudtatoe, like a usb hdd hooked up to the pie w/ samba or nfs sharing?
[1:07] <DF3D2> seems pretty easy
[1:07] * Wetmelon (~wetmelon@97-82-222-162.dhcp.hckr.nc.charter.com) Quit (Read error: Connection reset by peer)
[1:08] * x1337807x (~x1337807x@207-170-205-178.static.twtelecom.net) Quit (Ping timeout: 264 seconds)
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[1:09] * skyroveRR (~skyroveRR@unaffiliated/skyroverr) Quit (Read error: Connection reset by peer)
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[1:12] <spudtatoe> i'd like the pi to be hooked up to the tv with a hdd in it, but then also be able to watch movies on my desktop with out going and grabbing the hdd
[1:12] <ritek> Would be a Pi2 B+?
[1:13] * mgottschlag (~quassel@reactos/tester/phoenix64) Quit (Ping timeout: 245 seconds)
[1:13] <spudtatoe> mhm
[1:14] <spudtatoe> dunno what more it would offer
[1:14] * chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) Quit (Quit: Ex-Chat)
[1:15] <spudtatoe> DF3D2:I suppose thats what I want
[1:16] <ritek> usb3? ddr3? better gpu?
[1:16] <DF3D2> spudtatoe, what I am doing is I have a dedicated zfs server and use the pi as a front end
[1:17] <ritek> or simply everything other boards have the pi2 b doesn't
[1:17] <DF3D2> I stream video to my pi over the network for my living room
[1:17] <spudtatoe> while were at it lets add a pcie port haha
[1:17] * thomasreggi (~thomasreg@cpe-67-244-101-108.nyc.res.rr.com) Quit ()
[1:17] <spudtatoe> Where the hdd at DF3D2?
[1:17] <DF3D2> spudtatoe, I have an intel xeon server w/ 6x3TB hdd's running Linux w/ ZFS file system
[1:18] <DF3D2> and my rpi2 is just a front end
[1:18] <spudtatoe> jeezus
[1:18] <spudtatoe> Maybe I should just build a htpc
[1:18] <DF3D2> yeah I have one of those also
[1:18] <spudtatoe> I just have a gaming rig and a pi
[1:19] <DF3D2> I was going to get rid of it but the rpi2 has some issues with usb audio
[1:19] <DF3D2> my usb dac sounds like shit when connected to it
[1:19] <exobuzz> 6x3tb? that's a lot of linux isos! :)
[1:19] * DF3D2 ** SysInfo ** Client: HexChat 2.10.2 (x64) ** OS: Microsoft Windows 8.1 Pro N ** CPU: Intel(R) Core(TM) i7-5820K CPU @ 3.30GHz (3.00 GHz) ** RAM: 8087 MB Total (5393 MB Free) ** VGA: AMD Radeon R9 200 Series ** Uptime: 21.00 Hours **
[1:19] * HoloPed is now known as Holo-Csharp-Ped
[1:19] <DF3D2> thats my main rig
[1:19] <DF3D2> exobuzz, yes many linux isos :-)
[1:19] <spudtatoe> how u do that lol
[1:20] * DrBrownBear (~DrBrownbe@gateway/vpn/privateinternetaccess/drbrownbear) has joined #raspberrypi
[1:20] * Holo-Csharp-Ped is now known as Holo-Python-Ped
[1:20] <DF3D2> do what
[1:20] <exobuzz> Uptime: 21.00 Hours - aah yes.. it's running windows ;-)
[1:20] * exobuzz kidding
[1:20] <DF3D2> exobuzz, yes I hate windows
[1:20] <DF3D2> I use it cause I like to play games :-\
[1:20] * Holo-Python-Ped is now known as Holo-EightIsh-Pe
[1:20] <DF3D2> I have linux on all my other computers
[1:20] * Holo-EightIsh-Pe is now known as HoloPed
[1:20] * skyroveRR (~skyroveRR@unaffiliated/skyroverr) has joined #raspberrypi
[1:21] <spudtatoe> how'd u list your specs
[1:21] <DF3D2> oh its a plugin for hexchat irc client
[1:21] <exobuzz> yeh. understand re gaming. although linux users are no longer 3rd class citizens for gaming since steam.. 2nd class still maybe :)
[1:21] <spudtatoe> whats it called?
[1:21] <DF3D2> exobuzz, yeah still second class unfortunately
[1:21] <DF3D2> alright gtg for a bit
[1:21] <exobuzz> but better than a few years ago for sure
[1:22] * DrBrownBear (~DrBrownbe@gateway/vpn/privateinternetaccess/drbrownbear) Quit (Client Quit)
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[1:23] <ali1234> clever: it works!
[1:23] * Brownbear (~DrBrownbe@c-68-42-234-144.hsd1.mi.comcast.net) has joined #raspberrypi
[1:24] <plugwash> exobuzz, last I looked at steam it still looked like distinctly third class
[1:26] <exobuzz> not sure what you mean by that, but my comment was just to illiustrate how gaming on linux has improved.. On steam I have 86 games out of 126 bought in total, although I would admit I have specifically bought a lot of indy/multi platform stuff
[1:27] * BCMM (~BCMM@unaffiliated/bcmm) Quit (Quit: Konversation terminated!)
[1:27] <exobuzz> although many games are still not available on linux, never before did we have as much choice as we do now, and I can certainly get my gaming fix on linux
[1:27] <ali1234> yeah it's really like night and day
[1:27] <spudtatoe> I should have never dumped my g5
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[1:28] * Wetmelon (~wetmelon@97-82-222-162.dhcp.hckr.nc.charter.com) has joined #raspberrypi
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[1:29] <plugwash> From my unscientific surveys it seems that every game on steam supports windows, and there are a lot more games that support windows+mac but not linux than windows+linux but not mac
[1:29] <ali1234> real science: https://docs.google.com/spreadsheet/ccc?key=0Ai0E-WvppW8GdG9leHFsR2pWWVVxbzgwYUtWakVnd0E&usp=sharing#gid=0
[1:29] <ali1234> tl;dr 935 linux 1512 mac 4442 windows
[1:30] <spudtatoe> cheers haha
[1:30] <exobuzz> that's not bad at all.
[1:31] <spudtatoe> If I had my pi in the lounge hooked up to a hdd could I just remote connect to it and stream movies like that?
[1:31] <ali1234> theoretically yes
[1:31] * DrBrownBear (~DrBrownbe@c-68-42-234-144.hsd1.mi.comcast.net) Quit (Remote host closed the connection)
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[1:32] * spudtatoe (73bc7acf@gateway/web/cgi-irc/kiwiirc.com/ip. Quit (Quit: http://www.kiwiirc.com/ - A hand crafted IRC client)
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[1:32] * spudtatoe (~spudtatoe@115-188-122-207.jetstream.xtra.co.nz) has joined #raspberrypi
[1:32] <spudtatoe> okay, sorry what was that?
[1:32] <ali1234> theoretically yes
[1:32] <spudtatoe> but?
[1:33] <ali1234> but it won't do it out of the box
[1:33] <spudtatoe> What would I need to do?
[1:33] <ali1234> i don't know exactly, i never tried it
[1:33] <spudtatoe> what do u use yours for?
[1:33] <ali1234> right now i'm programming it to generate teletext
[1:34] <spudtatoe> ah
[1:34] <ali1234> and i'm also waiting on parts from china to build a robot
[1:34] <plugwash> ali1234, interesting data, looks like the gap between linux and mac is growing slightly in absoloute numbers but shrinking massively as a proportion
[1:34] <ali1234> plugwash: yeah, games now often get a mac and linux port but the old ones are just mac. at least that's my theory
[1:34] <Cirrus_Minor> spudtatoe: simplest way is to set up samba server ( its not difficult)
[1:35] <spudtatoe> @g samba server
[1:35] <spudtatoe> damn
[1:35] <spudtatoe> so bot
[1:35] <spudtatoe> no*
[1:35] <Cirrus_Minor> i have a supybot ( phriks iligitamte son ) but i darent bring it in
[1:36] <spudtatoe> http://www.raspberrypi.org/forums/viewtopic.php?t=56149
[1:36] * speeddragon (~speeddrag@gateway/tor-sasl/speeddragon) Quit (Remote host closed the connection)
[1:36] <spudtatoe> i tried to follow that
[1:36] <spudtatoe> but I can't do the dhcp thingy
[1:37] * DrBrownBear (~DrBrownbe@c-68-42-234-144.hsd1.mi.comcast.net) has left #raspberrypi
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[1:38] <pwillard> It's a bummer that the Pi Forum lends itself to leaving so many questions unanswered.
[1:38] <exobuzz> a lot of the older games can be run under wine anyway. I play freelancer on linux under wine for example
[1:38] <ali1234> forums are that way
[1:38] <ali1234> try raspberry pi stack exchange?
[1:38] <pwillard> actyally... no, not yet
[1:39] <spudtatoe> could someone link me to a good guide?
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[1:40] * shum (~sdothum@ Quit (Quit: WeeChat 1.1.1)
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[1:44] * Cavedude (~Cavedude@unaffiliated/cavedude) Quit (Ping timeout: 264 seconds)
[1:44] <traeak> the problem with linux gaming was that i abandoned windows for good back in 1999 or so and I got trained into not really gaming (well there was neverwinter nights).
[1:46] <ShorTie> i find gaming in C/bash the most fun .. :/~
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[1:48] <pwillard> well, Steam at least tried to have a few Linux games now and then
[1:50] <Cirrus_Minor> who needs games when u got a terminal :P
[1:51] * gbaman_ (~gbaman@ Quit (Ping timeout: 245 seconds)
[1:51] * pwillard hunts down his copy of Colossal Cave
[1:52] <spudtatoe> i don't know what to do with my pi ;-;
[1:52] <pwillard> made a weatherstation yet?
[1:52] <Cirrus_Minor> spudtatoe: if u wanna join geekshed #cirrus ill help ya set up fileserver
[1:53] <Cirrus_Minor> be tomorrow tho im about to fold
[1:53] <spudtatoe> okay
[1:55] <traeak> who needs anything more than nethack anyways ?
[1:57] * entreri (~Michael@CPEbcc81013dfdd-CMbcc81013dfda.cpe.net.cable.rogers.com) Quit (Ping timeout: 265 seconds)
[1:57] <exobuzz> nethack. heh
[1:57] <exobuzz> people showing their age.
[2:00] * sdel (~sdel@ip68-108-143-9.lv.lv.cox.net) Quit (Quit: Leaving)
[2:00] <exobuzz> got lots of games on linux that Ive never played. never find the time
[2:01] <exobuzz> but can never resist a bargain on steam or a hunble bundle etc
[2:01] <exobuzz> humble
[2:01] <traeak> haven't played 'hack in many ages
[2:02] * pwillard *has* played Coloosal Cave on a PDP11 and on a DECsystem 20 http://www.columbia.edu/cu/computinghistory/dec20_3.jpg
[2:03] <exobuzz> nice :)
[2:03] <exobuzz> this channel is full of OAPs!
[2:05] <traeak> the ancient text games...MUD was the pinnacle
[2:05] <traeak> i think the original diablo utterly killed the MUD communities
[2:05] <exobuzz> never got into muds really
[2:05] * Alina-malina (~Alina-mal@unaffiliated/alina-malina) has joined #raspberrypi
[2:06] <traeak> no way: http://freeablo.org/
[2:07] <traeak> oh crap it pulls in boost
[2:09] * turtlehat (~offmode@home.b3nny.eu) Quit ()
[2:10] * basti (~basti@p57BDF67A.dip0.t-ipconnect.de) Quit ()
[2:10] <traeak> i have fond memories of chain lightening my party to death multiple times.
[2:12] <pwillard> lol
[2:12] <traeak> not to mention the hilarity of taking on the butcher or "skeletor" with a low level party
[2:13] * bugzc_ (~bugzc@unaffiliated/bugzc) Quit (Remote host closed the connection)
[2:13] <pwillard> FYI: I can confirm that this is a nice case for a model B (not B+ or Pi 2 B) http://www.sbcshop.co.uk/limited-edition-mediapi-xbmc-case-with-integrated-usb-hub-for-the-raspberry-pi-280-p.asp
[2:14] <pwillard> OMG... memories of the butcher just came flooding back
[2:15] * Macuser (~textual@unaffiliated/macuser) Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
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[2:17] <fred1807> Hello, Is it possible to the raspberry to respond to headphone volume controls (like the apple headhphone) ?
[2:18] <ali1234> not without extra electronics
[2:19] * [sk]Ray (~quassel@71-95-197-158.static.mtpk.ca.charter.com) has joined #raspberrypi
[2:20] <abnormal> why? just get a Wolfson sound card for the pi
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[2:25] * Chesticleez (~mbrandt@cpe-174-101-252-50.cinci.res.rr.com) has joined #raspberrypi
[2:25] <Chesticleez> evening
[2:25] * huza (~My@ has joined #raspberrypi
[2:25] <ShorTie> Mornin`
[2:25] <Chesticleez> anyone know where I2pi
[2:25] <Chesticleez> went
[2:25] <Chesticleez> ?
[2:26] <Chesticleez> wow sorry about that
[2:26] <Chesticleez> does anyone know what happened to the downloads for I2Pi?
[2:26] <ShorTie> never heard of it, what is it ??
[2:26] <Chesticleez> I can't find it anywhere and finally had time earlier today to give it a try
[2:27] <exobuzz> if any of you have been seeing black screen with sdl software since latest firmware update (https://github.com/raspberrypi/firmware/issues/354) - you can get updated sdl libraries from http://malus.exotica.org.uk/~buzz/pi/sdl/ (deb packages). they include the fixes from pssc and should make sdl1 a lot more reliable on the pi
[2:27] * kd7jwc (~nonyabusi@174-25-63-219.ptld.qwest.net) Quit (Quit: Leaving)
[2:27] <Chesticleez> an alternative os for the pi that relies on the I2P network rather than the public internet
[2:28] <Chesticleez> actually it's called I2Pberry
[2:28] <Chesticleez> sorry
[2:28] <ShorTie> oh, ok
[2:28] * Vidar_ (~vidar@unaffiliated/vidar/x-4587483) has joined #raspberrypi
[2:29] * osxdude|MBP (~osxdude@unaffiliated/osxdude) has joined #raspberrypi
[2:29] * Dragonkeeper (~dragonkee@cpc2-gill2-0-0-cust69.20-1.cable.virginm.net) has joined #raspberrypi
[2:29] <pwillard> sounds like TorPi :-P
[2:29] <Dragonkeeper> can you give the pi more that 256 gpu memory ?
[2:30] <ali1234> maybe on the pi 2
[2:30] <Dragonkeeper> how much do you think it could use ?
[2:30] <ali1234> 512?
[2:31] <Chesticleez> pwillard, kind of the same but torpi is more of a bridge isn't it?
[2:31] <ali1234> the settings are all powers of 2 and you can't give 100% of memory to the GPU
[2:31] <ShorTie> Chesticleez, maybe try http://sourceforge.net/projects/i2pberry/files/
[2:31] <pwillard> Chesticleez, yeah... pretty much
[2:32] <Dragonkeeper> well it has direct rendering support .. im just curious of what it can do
[2:32] * kiely is now known as kiely_elsewhere
[2:32] <pwillard> I'm pretty I'd want some memory to other stuff with
[2:32] <Chesticleez> ShorTie, I did but there are no files in the directory to download
[2:32] * utack (~utack@ip9234cb8c.dynamic.kabel-deutschland.de) Quit (Remote host closed the connection)
[2:32] <fred1807> can I make something like a reverse tunell / External web server, to control Raspberry Volume? What I cannot do is use local adress of port forwarding, it must work out of the box (raspberry will have dhcp)
[2:36] * qubitnerd (~neutrino@unaffiliated/electron/x-8286743) has joined #raspberrypi
[2:36] * huza (~My@ Quit (Quit: WeeChat 0.3.8)
[2:36] * IT_Sean (~it_sean@applefritter/IRCStaff) Quit ()
[2:37] * Chesticleez (~mbrandt@cpe-174-101-252-50.cinci.res.rr.com) Quit (Quit: Ex-Chat)
[2:38] * dj_pi (~dj@c-107-5-228-80.hsd1.mi.comcast.net) Quit (Ping timeout: 256 seconds)
[2:39] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) has joined #raspberrypi
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[2:39] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) has joined #raspberrypi
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[2:40] <niston> fred1807: you want to control it from the internet ?
[2:41] * RaptorJesus (~RaptorJes@gateway/tor-sasl/raptorjesus) has joined #raspberrypi
[2:42] <fred1807> niston: Yes... People may log to the control website, and get access to the volume control. But it wont be possible to use localadress or port forwarding,, so it should be somehting like reverse tunnel, but only for the volume control
[2:43] <niston> have the raspi connect to the webserver then.
[2:44] <fred1807> yes, because before shipping I can easily configure a server ip, where the rasPI will "phone home" to get volume settings.
[2:44] <niston> tip: use a DNS name instead of an IP
[2:44] * kiely_elsewhere is now known as kiely
[2:45] <niston> this way you wont have to update firmware of bunches of deployed devices when you have to switch the hosting provider
[2:45] * aural (~aural@unaffiliated/necrodearia) has joined #raspberrypi
[2:46] * Brunetty (~Brunetty@unaffiliated/brunetty) Quit (Ping timeout: 245 seconds)
[2:46] * Psybur (~chympara_@2601:a:5300:aa89:942b:ecc:d98e:ac5e) has joined #raspberrypi
[2:46] <fred1807> The raspberry will be playing video at an Event. Many different people will be working on the event, none of them can mess with playlists and etc. But they must have access to volume control. (they wont have access to hardware installations). So I need a way to give them easy instructions, like: Go to event.mydomain.com and there is you adjust the volume
[2:46] <Psybur> Do you guys do a lot of stuff with bluetooth? I cant seem to find anyone to ask about some bluetooth questions... #bluetooth is kill
[2:47] <Psybur> And my google fu is failing me
[2:47] <plugwash> fred1807, what you proper is perfectly possible
[2:47] <niston> fred1807: you could use something like stunnel
[2:47] <Psybur> My pi is in the mail and I want to eventually have it listening to a bluetooth master that checks for button presses by bluetooth slaves
[2:47] <plugwash> as long as you have a machine with a public ip that can act as the "server" to the pis
[2:47] <pwillard> I agree... I've had a lot of issues getting bluetooth working...
[2:48] <Psybur> Problem is I dont even know what a good slave would be. Only cheap bluetooth buttons I can find are those shutter things for smart phones.
[2:49] <pwillard> though... oddly enough... bluetooth worked instantly when I build my openelec server.
[2:49] <ShorTie> Bummer, RadioShack Files for Chapter 11 Bankruptcy Protection
[2:49] <pwillard> I know, right...
[2:50] <ShorTie> poof there goes another in our booming economy
[2:51] <pwillard> yeah
[2:51] <pwillard> Lies... damn lies
[2:52] <ShorTie> guess i better go raid the perf board supplies .. :/~
[2:52] * cceleri (~cceleri@cpe-74-76-221-16.nycap.res.rr.com) Quit (Remote host closed the connection)
[2:52] * cceleri (~cceleri@2604:6000:110d:c012:41ac:1980:2144:e642) has joined #raspberrypi
[2:52] <spudtatoe> I just set the PI up as nas and its all working now lol
[2:53] <spudtatoe> can you get vlc on the pi?
[2:54] * utack (~utack@ip9234cb8c.dynamic.kabel-deutschland.de) has joined #raspberrypi
[2:54] <fred1807> niston: Thanks
[2:54] <fred1807> plugwash: Thanks
[2:56] * Kirito (~Kirito@pdpc/supporter/student/kirito) Quit (Ping timeout: 264 seconds)
[2:56] * Moshin (~bangboom@ Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
[3:02] * Mr_Sheesh (~mr_s@unaffiliated/mr-sheesh/x-0757054) Quit (Read error: Connection reset by peer)
[3:04] * utack (~utack@ip9234cb8c.dynamic.kabel-deutschland.de) Quit (Remote host closed the connection)
[3:05] <ali1234> https://github.com/ali1234/raspi-teletext
[3:05] * Mr_Sheesh (~mr_s@unaffiliated/mr-sheesh/x-0757054) has joined #raspberrypi
[3:09] * taza (~taza@unaffiliated/taza) Quit ()
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[3:11] <exobuzz> ali1234, nice - have to try that :)
[3:12] <ali1234> no more slow AVR... this should be able to do full frame teletext fairly easily
[3:12] * atomi (~atomi@71-83-179-177.dhcp.lnbh.ca.charter.com) has joined #raspberrypi
[3:13] <exobuzz> what's the data rate for teletext - to say change the whole screen.
[3:13] <exobuzz> i have no clue regarding teletext . so apologies if my question is dumb
[3:13] <atomi> [A
[3:13] <atomi> [A
[3:13] <atomi> [A
[3:13] <atomi> [A
[3:13] <exobuzz> just thinking about picture/video conversion to teletext ;-)
[3:13] <atomi> oops sorry
[3:14] <ali1234> exobuzz: assuming you;re familiar with using teletext right?
[3:14] <exobuzz> im not :)
[3:14] <ali1234> you never used teletext??
[3:14] <exobuzz> well. yes. but..
[3:14] <ali1234> you know what it *looks* like though...
[3:14] <exobuzz> long time ago! heh
[3:15] <exobuzz> yeh
[3:15] <exobuzz> i used to do a bunch of stuff with mode 7 on the bbc micro ;-)
[3:15] <ali1234> right, it's the same chipset
[3:15] <ali1234> SAA5050 originally
[3:16] <ali1234> you have 25 rows, each 40 characters
[3:16] <exobuzz> reading the data transmission page on wikipedia now.
[3:16] <exobuzz> yeh
[3:16] <ali1234> each one of those rows is a line of pixels
[3:16] <ali1234> also known as a packet
[3:16] <ali1234> in mixed mode you get 32 packets per frame
[3:17] <exobuzz> The teletext signal is digitally coded as 45-byte packets, so the resulting rate is 7,175 bits per second per used lines (41 7-bit 'bytes' per line, on each of 25 frames per second).
[3:17] <exobuzz> aah ok
[3:17] <ali1234> so you can just a bit more than 25 FPS
[3:17] <ali1234> the packets are 3 bytes run in, 2 bytes address bits, and 40 bytes data
[3:17] <exobuzz> 25fps is fine. now just need an sdl backend for it ;-)
[3:17] <exobuzz> hehe
[3:17] <ali1234> also you don't have to send whole pages, you can just send theparts that changed
[3:17] * pwillard (~pwillard@c-73-184-136-133.hsd1.ga.comcast.net) Quit (Quit: Leaving)
[3:18] <ali1234> so in fact with clever algorithms you can achieve 50FPS
[3:18] <ali1234> the block characters are 2x3 so that's... 80x75 and you get 8 colours
[3:18] <Triffid_Hunter> I've done stuff like that with mplayer's libcaca
[3:19] <Triffid_Hunter> matrix looks pretty epic in full colour ascii ;)
[3:19] <ali1234> should be easy enough to wire up
[3:19] * D-Boy (~D-Boy@unaffiliated/cain) Quit (Excess Flood)
[3:19] <exobuzz> yeh. ascii output is fun
[3:19] <exobuzz> i love stuff like this..
[3:19] * kiely is now known as kiely_elsewhere
[3:19] <exobuzz> it may not be sensible, but it's amusing/funny
[3:19] <ali1234> the best part though is you can put the decode in full frame mode... then you can send 576+ lines per frame
[3:20] <ali1234> so you can have a different animation playing on different subpages
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[3:20] * UKn0Me (~UKn0Me@CPE-60-228-32-46.lns6.ken.bigpond.net.au) has joined #raspberrypi
[3:20] <exobuzz> nice
[3:21] * shivers (~shivers@c80-216-59-240.bredband.comhem.se) has joined #raspberrypi
[3:24] * argakiig_lost is now known as argakiig
[3:25] <clever> ali1234: i'll have to play with that on my NTSC tv soon and fix that
[3:25] <clever> shouldnt be too hard now that youve got data outputing
[3:25] <ali1234> you'll have to adjust the scaling
[3:26] * DimeBag (~llorllale@ Quit (Ping timeout: 252 seconds)
[3:26] * argakiig is now known as argakiig_lost
[3:26] <ali1234> you can brute force it though, just make it try all the reasonable values in a loop, that's what i did
[3:26] * shivers (~shivers@c80-216-59-240.bredband.comhem.se) Quit (Read error: Connection reset by peer)
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[3:26] <clever> ah
[3:27] <ali1234> it's the 10, 700 values you need to adjust
[3:27] <clever> my framegrabber isnt connected up right now, so i cant use it
[3:27] <clever> ive got both a pvr-150, and a much older framegrabber only card
[3:27] <clever> hmmm, but do i have anything with pci now? lol
[3:28] <ali1234> bt878 is best for VBI
[3:28] <clever> let me see where it went
[3:28] <ali1234> although alevt won't work with this demo cos it only sends one header and alevt only shows pages
[3:29] <ali1234> bt878 can of course do PAL... i expect most PC capture cards can
[3:30] * D-Boy (~D-Boy@unaffiliated/cain) has joined #raspberrypi
[3:30] <clever> not sure where the framegrabber went, but i found the one with mpeg2 encoding
[3:30] <clever> it has a framegrabber mode
[3:31] <Psybur> Has anybody used ubertooth with the pi?
[3:31] <Psybur> If I want to repurpose a bluetooth device for my own purposes without having the appropriate driver I would have to bluetooth packet sniff right
[3:32] <ali1234> all bluetooth devices should work in linux
[3:32] <ali1234> there's only a few different types
[3:32] <ali1234> regular consumer ones anyway
[3:32] <clever> ali1234: hmmm, i also have the scope, so i could just ram the VBI data right to the start&end of each line
[3:32] <clever> and not need to guess it at all
[3:33] <ali1234> clever: isn't not supposed to be like that
[3:33] <clever> ah, how much of a gap does it need on each side?
[3:33] <ali1234> it has a specific defined bitrate
[3:33] <Psybur> ali1234, so you think I could get a pi to listen to presses made by http://phonepartsusa.com/selfie-bluetooth-remote-shutter-for-ios-android-black-acc-zed-634
[3:33] <clever> ali1234: the on/off at the start, what freq should it be?
[3:33] <ali1234> the horizontal position is not as important as the scale factor used
[3:33] <ali1234> just as long as it all fits
[3:34] <ali1234> Psybur: i don't see why not
[3:35] <clever> ali1234: where was that sample png file again?
[3:35] <ali1234> http://al.robotfuzz.com/~al/random/good.png
[3:36] <ali1234> but that's PAL
[3:36] <ali1234> NTSC will be different
[3:36] <clever> ali1234: i see a 101010 patern at the start to help the clock detection, what freq is that?
[3:36] <clever> if i know the freq for NTSC, i can just tune it to that easily
[3:36] * pksato (~PEBKAC@unaffiliated/pksato) Quit (Quit: Problem Exists Between Keyboard And Chair)
[3:37] * Psybur (~chympara_@2601:a:5300:aa89:942b:ecc:d98e:ac5e) Quit (Read error: Connection reset by peer)
[3:37] <ali1234> for pal the bit rate is 6.9375 Mbit/s
[3:37] <ali1234> "+- 25 ppm"
[3:37] <ali1234> http://www.etsi.org/deliver/etsi_i_ets/300700_300799/300706/01_60/ets_300706e01p.pdf - page 15
[3:38] <clever> ah
[3:38] <ali1234> honestly the easiest way is to just re-add the overlay with each scaling size until it works
[3:39] <ali1234> and a sleep
[3:39] <ali1234> hit ctrl c when you see the text
[3:39] <niston> Psybur: this might help you http://stackoverflow.com/questions/27801452/how-to-monitor-all-input-from-a-bluetooth-hid-gadget
[3:39] <ali1234> then you know the right sizes
[3:39] <clever> ah, page 16 shows the gap between color burst and clock run-in
[3:39] * niston can't sleep >:/
[3:39] <ali1234> yep
[3:39] * Psybur (~chympara_@2601:a:5300:aa89:942b:ecc:d98e:ac5e) has joined #raspberrypi
[3:40] <clever> i remember ethernet&wifi having similar start, but its called pre-amble there
[3:40] <Psybur> Im just going to spend the $5 and experiment on the selfie button then, might as well since I cant find a cheaper alternative
[3:40] <clever> and it serves a similar purpose to thecolor burst as well
[3:41] <ali1234> Psybur: you can get some real cheap stuff from china on ebay and amazon
[3:41] <Psybur> Yes, on amazon I see these things for like 3 bucks
[3:41] <Psybur> If this works I suppose I could buy in bulk
[3:41] <ali1234> http://www.ebay.co.uk/itm/Wireless-Bluetooth-Remote-Shutter-Button-For-Selfie-Stick-Monopod-Phone-Pole-/331455579911?pt=UK_SportingGoods_OtherSports&var=&hash=item4d2c4ac707
[3:41] <Psybur> But at that point I might just call up a manufacturer and give'm a pitch xD
[3:42] <clever> brb
[3:42] * Cirrus_Minor (~Cirrus_Mi@CAcert/Cirrus-Minor) Quit (Quit: ◀▬▬ ••••••ᗣ••••••ᗧ•ᗣᗣ••••◀▬▬ We Love You)
[3:42] <Psybur> "Why u no market cheap bluetooth buttons for DIY projects!?"
[3:42] * plugwash (~plugwash@97e3d8fe.skybroadband.com) Quit (Read error: Connection reset by peer)
[3:42] <niston> Psybur: also http://stackoverflow.com/questions/873975/how-to-capture-raw-hid-input-on-linux?rq=1
[3:42] <ali1234> Psybur: they clone everything adafruit and sparkfun makes...
[3:43] <Psybur> So I should look for bluetooth hid button?
[3:44] <ali1234> if that's what you want...
[3:44] <ali1234> if you want a proper breakout there's this: http://www.ebay.co.uk/itm/NRF8002-Breakout-Board-Bluetooth-Low-Energy-BLE-/201024813997?pt=LH_DefaultDomain_0&hash=item2ece033bad
[3:44] <ali1234> BLE is a bit different to normal bluetooth though
[3:45] <Psybur> Im looking for something to use in a small classroom so a full 30 feet might not be necessary
[3:45] * gbaman (~gbaman@ Quit (Remote host closed the connection)
[3:45] <ali1234> Psybur: infra red remote control is cheap and easy
[3:45] <Psybur> Thats an interesting idea, didnt think of IR
[3:47] <Psybur> https://www.sparkfun.com/products/241 something like this?
[3:47] <Psybur> 50mA not sure what kind of range that is
[3:48] <ali1234> that won't be easy to interface to the pi on it's own
[3:48] <Psybur> Also I dont know if I have it in me to figure out how to prevent clashing with just IR
[3:48] * bugzc_ (~bugzc@unaffiliated/bugzc) has joined #raspberrypi
[3:48] <Psybur> bluetooth has that already figured out right? Does each device have its own mac or something
[3:49] <ali1234> it does yeah
[3:49] <niston> as for IR remote you could use an MCE remote control
[3:49] <ali1234> http://www.amazon.com/SANOXY%C2%AE-Wireless-Remote-Control-Mouse/dp/B0050PUGZE/ref=sr_1_5?ie=UTF8&qid=1423190952&sr=8-5&keywords=USB+ir
[3:49] * Tachyon` is now known as Tach[Zzz]
[3:50] * cceleri (~cceleri@2604:6000:110d:c012:41ac:1980:2144:e642) Quit (Remote host closed the connection)
[3:50] <ali1234> you can also get cheap wireless keyboards
[3:50] * MagicalTwix (~Rattus.bi@35.152-253-62.static.virginmediabusiness.co.uk) has joined #raspberrypi
[3:50] * ChanServ sets mode +o MagicalTwix
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[3:50] <Psybur> I would need around 10-20 devices, one for each student or possibly one that has two buttons for students who sit next to each other
[3:50] <Psybur> I think bluetooth has an 8 device limit
[3:51] <ali1234> well
[3:51] <ali1234> get 20 USB IR remote controls, and pull off all but one button on each remote :)
[3:51] <clever> (doh), rootfs is full
[3:52] * RaTTuS|BIG (~Rattus.bi@35.152-253-62.static.virginmediabusiness.co.uk) Quit (Ping timeout: 245 seconds)
[3:52] <Psybur> Haha, getting a pi to have to handle 20 usb receivers would be a bit unwieldy eh
[3:52] <ali1234> you only need one and 20 remotes
[3:52] * echelon (~echelon@gateway/tor-sasl/harel) Quit (Ping timeout: 250 seconds)
[3:52] <ali1234> for infrared anyway
[3:52] <clever> and it doesnt even have to be usb
[3:52] <clever> i helped with the lirc module
[3:53] <clever> just pop an ir receiver on a gpio pin, done
[3:53] <ali1234> that works?
[3:53] <clever> yep
[3:53] <ali1234> hmm... there you go then
[3:53] <Psybur> Do those remotes prevent clashing?
[3:53] <Psybur> Also, why would this be retired https://www.sparkfun.com/products/retired/11926
[3:54] <Psybur> I see the FCC thing but damn
[3:54] <ali1234> no, IR will probably have problems if all the kids press al the buttons all the time. which they probably will
[3:54] <ali1234> and stuff gets retired because no-one bought it or the chip is no longer available
[3:55] <Psybur> Haha, I'm a JEE trainer and I'm training what I believe are adults
[3:56] <clever> yeah
[3:56] <clever> ali1234: you could use different carrier freq for the remotes, but i still expect problems if too many hit it at once
[3:56] <ali1234> that will be a problem for anything simple though
[3:57] <ali1234> you need digital radios to avoid it
[3:57] * Dalboz (~DarkSide@unaffiliated/dalboz) Quit (Quit: bb)
[3:57] <clever> i have seen hackaday articles before on RF voting systems for classromes
[3:57] <ali1234> which means bluetooth or zigbee or something
[3:57] <clever> it was a very cheap rf system
[3:57] <clever> the guy hacked his to listen to the group vote, then mirror it
[3:57] <clever> so he always votes what the rest of the class does :P
[3:57] <ali1234> http://www.amazon.co.uk/Vktech-NRF24L01-Antenna-Wireless-Transceiver/dp/B00J7I0NU8/ref=sr_1_3?ie=UTF8&qid=1423191461&sr=8-3&keywords=NRF+module
[3:58] <ali1234> says it does multipoint
[3:58] <ali1234> £1 each
[3:58] <clever> root@rdpclient:/var/cache/apt/archives# rm *.deb
[3:58] <clever> there, enough free space to clone your repo
[4:00] * ch007m (~chm@ip-213-49-88-6.dsl.scarlet.be) Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
[4:03] * Psybur (~chympara_@2601:a:5300:aa89:942b:ecc:d98e:ac5e) Quit (Read error: Connection reset by peer)
[4:03] <clever> ali1234: ran tvctl and then teletext on an NTSC system, i now have left/right jitter
[4:03] <clever> the VBI data is visible at the top, and the text isnt apearing
[4:03] <ali1234> to be expected
[4:03] <ali1234> shift of -16 is probably too much for NTSC
[4:04] <clever> and i'm guessing each run of tvctl stacks?
[4:04] <ali1234> yes
[4:04] <clever> so i'll have to 0 1 0 -1 to undo it step by step
[4:04] <ali1234> yeah
[4:04] * gbaman (~gbaman@ has joined #raspberrypi
[4:04] <ali1234> although if you tried to take it negative...
[4:04] <clever> a single point solved all jitter
[4:04] <ali1234> i will make this more user friendly later
[4:05] <ali1234> detect current mode and just have an on/off switch
[4:05] <clever> i can see the last few bits of the data ticking
[4:05] <clever> it appears to be counting slowly in binary
[4:05] <ali1234> yeah it's a clock
[4:05] * echelon (~echelon@gateway/tor-sasl/harel) has joined #raspberrypi
[4:05] <clever> how far should it be from the right edge?
[4:05] <clever> it may be clipping
[4:05] <ali1234> it is touching it on my TV
[4:06] <clever> hard to tell if its clipping, since i dont know what the tail end should look like
[4:06] <ali1234> it doesn't matter even if it is
[4:06] <ali1234> remember visible area is smaller than the real line length
[4:06] <ali1234> always
[4:06] <clever> clock run-in is ~3.57mhz
[4:07] <ali1234> well i don't know what frequency it is meant to be for NTSC
[4:07] <clever> maybe 3.33mhz
[4:07] <clever> the scope is a bit twichy and i'm not zoomed in enough
[4:07] <clever> ah, 4k mode helps
[4:08] <ali1234> the wikipedia page seems to have the timings
[4:08] <clever> ~3.5mhz
[4:08] * kiely_elsewhere is now known as kiely
[4:08] <ali1234> NTSC text is only 32 characters per row...
[4:09] <ali1234> and there's multiple "standards"
[4:09] <clever> i do remember the older CRT tv having multiple choices for which standard to obey
[4:09] * Moshin (~bangboom@ has joined #raspberrypi
[4:10] <ali1234> http://en.wikipedia.org/wiki/Teletext#Data_transmission - clues
[4:10] <clever> ah, those pages really allow some complicated things
[4:11] * darkbasic (~quassel@niko.linuxsystems.it) Quit (Read error: Connection reset by peer)
[4:12] <clever> the bit rates there are double the freq i'm seeing
[4:12] <clever> but the 101010 patern, i'm measuring 1 to 1, so that may be why
[4:12] * darkbasic (~quassel@niko.linuxsystems.it) has joined #raspberrypi
[4:12] <ali1234> yes
[4:12] <ali1234> it's NRZ signal
[4:12] <clever> so my 3.5mhz becomes 7mhz, too high
[4:12] <ali1234> so 10101010 is 8 bits
[4:13] * skyroveRR (~skyroveRR@unaffiliated/skyroverr) Quit (Ping timeout: 245 seconds)
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[4:13] <clever> i want ~2.8635mhz on the 10101010 clock, so i need to make it wider
[4:13] <ali1234> right
[4:13] * _BigWings_ (~Thunderbi@modemcable033.54-130-66.mc.videotron.ca) Quit (Read error: Connection reset by peer)
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[4:14] * _BigWings_ (~Thunderbi@modemcable033.54-130-66.mc.videotron.ca) has joined #raspberrypi
[4:17] * gbaman (~gbaman@ Quit (Ping timeout: 264 seconds)
[4:17] <clever> ali1234: there, 2.816mhz, but
[4:17] <clever> display is 720x480, and i made it render at 830 pixels wide
[4:18] <clever> clearly going to clip at the dispmanx level
[4:18] <ali1234> yeah, that's why you only get 32 characters per line instead of 40 :)
[4:18] * SlackMaster (~SlackMast@pool-96-226-76-62.dllstx.fios.verizon.net) has joined #raspberrypi
[4:18] <clever> and i suspect the packet needs a proper tail at the end
[4:18] <clever> so clipping it makes it corrupt
[4:19] <clever> youll have to edit it to output less bits per packet so it doesnt cut it off
[4:19] <clever> then i can re-test things
[4:19] * DrBrownBear (~DrBrownbe@gateway/vpn/privateinternetaccess/drbrownbear) has joined #raspberrypi
[4:19] * DrBrownBear (~DrBrownbe@gateway/vpn/privateinternetaccess/drbrownbear) has left #raspberrypi
[4:20] * gbaman_ (~gbaman@ Quit (Remote host closed the connection)
[4:20] * cceleri (~cceleri@cpe-74-76-221-16.nycap.res.rr.com) has joined #raspberrypi
[4:21] * akar (~spot@ Quit (Quit: leaving)
[4:21] <ali1234> clever: just change the width of the source image
[4:22] <ali1234> change width = 360; to width = 296;
[4:22] * kiely is now known as kiely_elsewhere
[4:22] <clever> ah, and the teletext code knows to put less bits in?
[4:22] <ali1234> er... sort of
[4:22] <ali1234> it's just a for loop
[4:23] <ali1234> tis is just a proof of concept
[4:23] <ali1234> oh
[4:23] * kiely_elsewhere is now known as kiely
[4:23] <ali1234> also change for(x = 0;x < 45; x+=1) 45 -> 37
[4:24] * gbaman (~gbaman@ has joined #raspberrypi
[4:24] <clever> now i need to re-adjust the scaling since the source image is smaller
[4:24] <clever> shouldnt clip this time
[4:25] <ali1234> yes
[4:25] <ali1234> although to be honest the clipping probably doesnt matter and it probably still won't work
[4:25] <ali1234> this is 70s technology
[4:25] <ali1234> it's not smart at all
[4:26] * gbaman (~gbaman@ Quit (Remote host closed the connection)
[4:27] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) Quit (Remote host closed the connection)
[4:27] <clever> 2.816mhz, and i think its not clipping anymore, but nothing yet
[4:27] <clever> let me analyze the code more
[4:27] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) has joined #raspberrypi
[4:29] <ali1234> when i put my TV into NTSC mode the code works unmodified
[4:29] <ali1234> decoder probably doesn't care
[4:29] <clever> yeah, more of a universal decoder
[4:29] <clever> probly handles invalid pal teletext on ntsc video
[4:29] * marcdel (~marcdel@gateway/vpn/privateinternetaccess/marcdel) has joined #raspberrypi
[4:29] <ali1234> it's an old CRT
[4:30] <ali1234> so the decoder is probably SAA5243 dumb logic
[4:30] <ali1234> i do get 40 characters as well
[4:31] <ali1234> and actually i didn't even need to shift the output!
[4:31] * zokeber (~zokeber@unaffiliated/zokeber) Quit (Remote host closed the connection)
[4:31] <ali1234> so it's still looking in the PAL line numbers too
[4:31] <ali1234> probably only get a couple of lines though
[4:32] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) Quit (Remote host closed the connection)
[4:32] * spudtatoe (~spudtatoe@115-188-122-207.jetstream.xtra.co.nz) Quit (Quit: I'll be back sooner than you think ;)
[4:35] * MrMobius (~Joey@c-68-45-16-225.hsd1.nj.comcast.net) Quit (Disconnected by services)
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[4:36] * platta_ (~platta@pool-173-54-179-6.nwrknj.fios.verizon.net) has joined #raspberrypi
[4:37] <clever> ali1234: hmm, i wonder if my cable box outputs teletext
[4:37] <clever> though the input is pure digital, ethernet based
[4:37] <ali1234> it's possible but unlikely
[4:38] * platta_ (~platta@pool-173-54-179-6.nwrknj.fios.verizon.net) Quit (Client Quit)
[4:38] <clever> not sure where else i would get a working sample from to compare
[4:38] <ali1234> probably nowhere... teletext was never widely used in north america from what i understand
[4:38] <clever> it used to be available on all channels a year or 2 ago
[4:39] <ali1234> if you have VHS recordings, they do record the VBI
[4:39] <clever> the player with hi-fi audio crapped out years ago
[4:39] <clever> so now half my tapes have no audio on them, the older player cant decode it
[4:41] * Noldorin (~noldorin@unaffiliated/noldorin) Quit (Quit: –)
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[4:45] <DF3D2> anyone here use the pi2 with usb dac?
[4:45] <clever> ali1234: with the cable box 'off', i see what looks like maybe teletext in the very final scanline before image
[4:45] <ali1234> that's probably the WSS
[4:45] * pklaus (~pklaus@p20030051451B610002C008FFFE88220F.dip0.t-ipconnect.de) Quit (Ping timeout: 250 seconds)
[4:45] * pandather (~Marque@pool-96-226-34-233.santtx.dsl-w.verizon.net) has joined #raspberrypi
[4:46] <clever> i see the clock run-in, then 3 bits, but a lot of low period
[4:46] <clever> probly not NRZ?
[4:46] <pandather> Hello, where's a US vender with the cheapest shipping for the Rasp Pi 2?
[4:47] <clever> i also see something off on the line before that
[4:47] <clever> let me turn it on
[4:47] <pandather> And will the RPi 2 have issues playing files with DTS audio encoding?
[4:47] <clever> ali1234: with the STB on, that final scan line has a lot of data on it
[4:48] * githogori (~githogori@ Quit (Ping timeout: 250 seconds)
[4:49] <clever> ali1234: the clock is a perfect sine wave, at 0.5mhz
[4:49] <ali1234> it's a different standard then, or something else entirely
[4:50] <clever> yeah
[4:50] <clever> and its only on a single scan-line
[4:50] <clever> let me get some photos
[4:50] * Moshin (~bangboom@ Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
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[4:55] * Bozza_ (~Bozza@unaffiliated/bozza) Quit (Ping timeout: 264 seconds)
[4:55] * [secrettriangle] (~dan@gateway/tor-sasl/secrettriangle) Quit (Ping timeout: 250 seconds)
[4:56] * chipmadness (~chipmadne@75-134-183-81.dhcp.bycy.mi.charter.com) Quit (Quit: Leaving)
[4:56] <pandather> Or should I just use MCM?
[4:58] <clever> ali1234: https://www.dropbox.com/sh/gk3b246c06nrh72/AAAxcYD48B9YOvwDmX5PttKPa?dl=0
[4:59] * Datalink (~Datalink@unaffiliated/datalink) has joined #raspberrypi
[4:59] <ali1234> well that certainly looks like something
[5:00] <clever> first is the entire v-sync area, second is the last 2 scan-lines before image data, image is he 3rd which is cut off
[5:00] <clever> the first part after color burst is a perfect 0.5mhz sine wave, the data is rapidly changing
[5:01] * [sk]Ray (~quassel@71-95-197-158.static.mtpk.ca.charter.com) Quit (Ping timeout: 250 seconds)
[5:02] <clever> and i have no idea what channel its on or what the tv would do with this signal
[5:02] <clever> somebody is busy using the ps3, lol
[5:02] <ali1234> channel?
[5:02] <clever> i just turned the cable box on, no clue what channel its on
[5:03] <ali1234> ah
[5:03] <clever> let me try video
[5:03] * [sk]Ray (~quassel@71-95-197-158.static.mtpk.ca.charter.com) has joined #raspberrypi
[5:04] * dustinm`` (~dustinm@ Quit (Ping timeout: 252 seconds)
[5:07] <clever> ali1234: same link as before, added an mp4 of it running
[5:08] <ali1234> that only seems like a few bytes
[5:08] <clever> oh, this is a DVR
[5:08] <clever> what happens if i hit pause
[5:08] <clever> the data changes, and freezes
[5:09] <clever> 3 peaks, but clearly not NRZ
[5:10] <clever> same 3 peaks any time i pause, like its a hold or nop signal
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[5:13] * day- (~day@unaffiliated/day) Quit (Ping timeout: 246 seconds)
[5:14] <clever> that hold patern is also present when the box is 'off'
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[5:33] <clever> wikipedia8
[5:33] <clever> ali1234: from looking over youtube, i dont think the north american standards are anywhere near as complex or powerfull
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[6:06] * killer_prince is now known as lazy_prince
[6:07] <xxValiumxx> does this channel have a requirement to be logged in with nickserv?
[6:12] * mike_t (~mike@ has joined #raspberrypi
[6:15] * Lupinedk is now known as lupinedk
[6:15] <abnormal> I think so, not sure... do you have code to register?
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[6:25] * lazy_prince is now known as killer_prince
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[6:28] * [sk]Ray (~quassel@71-95-197-158.static.mtpk.ca.charter.com) has joined #raspberrypi
[6:29] <xxValiumxx> abnormal oh, I'm registered already, just that my autojoin script doesn't like joining this channel, it seems.
[6:30] * killer_prince is now known as lazy_prince
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[6:39] <abnormal> ok then at the server tab you may need to identify your nick
[6:41] <abnormal> like /msg nickserv identify xxValiumxx password
[6:42] <abnormal> and in the setup window of the client you use you need to do it in there to be able to autolog in and autojoin
[6:47] <abnormal> xxValiumxx, you get the msgs??? ^^^^^
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[7:23] <Foxhoundz> How long is the back order for the RPi 2
[7:23] <Foxhoundz> I just saw one for 09/02/2015
[7:24] <Foxhoundz> September 2, 2015?
[7:24] <Foxhoundz> lolwut?
[7:24] <Foxhoundz> Or is it Feburary 9th, 2015
[7:25] <Triffid_Hunter> Foxhoundz: heh, what sort of crazy country would put the month first?
[7:26] * oldtopman (~oldtopman@unaffiliated/oldtopman) Quit (Quit: *pouf*)
[7:26] <Triffid_Hunter> Foxhoundz: http://i.imgur.com/LW8EOXP.jpg :P
[7:28] <abnormal> lol I like that, Triffid_Hunter
[7:28] <abnormal> good one...
[7:28] <Foxhoundz> What do you guys think of the Odroid series of SoCs?
[7:28] * x1337807x (~x1337807x@c-76-115-7-194.hsd1.or.comcast.net) Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
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[7:30] <Triffid_Hunter> Foxhoundz: I've had several people tell me that the odroid C1 is excellent, better performance than the RPi2 for similar price point
[7:30] <Triffid_Hunter> haven't tried one myself though
[7:31] * mike_t (~mike@ Quit (Ping timeout: 255 seconds)
[7:34] <xxValiumxx> I want something with that intel quad core atom chip
[7:34] * lupinedk is now known as Lupinedk
[7:34] <xxValiumxx> I have a tablet that's powered by it, and it's quite excellent
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[7:52] * SlackMaster (~SlackMast@pool-96-226-76-62.dllstx.fios.verizon.net) has joined #raspberrypi
[7:56] * SlackMaster (~SlackMast@pool-96-226-76-62.dllstx.fios.verizon.net) Quit (Client Quit)
[7:56] * osxdude|MBP (~osxdude@unaffiliated/osxdude) Quit (Quit: bye lol)
[8:00] * Vidar_ (~vidar@unaffiliated/vidar/x-4587483) Quit (Ping timeout: 256 seconds)
[8:02] * amigojapan (~amigojapa@c119045.net21845.cablenet.ne.jp) has joined #raspberrypi
[8:02] * Textmode (~boneidle@adsl-1-au-2-174.ozonline.com.au) Quit (Read error: Connection reset by peer)
[8:05] * dreamon (~dreamon@unaffiliated/dreamon) Quit (Ping timeout: 264 seconds)
[8:05] * marcdel (~marcdel@gateway/vpn/privateinternetaccess/marcdel) has joined #raspberrypi
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[8:12] * ch007m (~chm@ip-213-49-88-6.dsl.scarlet.be) Quit (Read error: Connection reset by peer)
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[8:15] * SlackMaster (~SlackMast@pool-96-226-76-62.dllstx.fios.verizon.net) has joined #raspberrypi
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[8:17] * HerbTarlek is now known as Herb_Tarlek
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[8:22] * genbattle (~genbattle@122-59-87-87.jetstream.xtra.co.nz) Quit (Ping timeout: 250 seconds)
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[8:40] * abnormal (~abnormal@184.sub-70-209-136.myvzw.com) Quit (Quit: Leaving)
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[8:56] * [sk]Ray_ (~quassel@71-95-197-158.static.mtpk.ca.charter.com) Quit (Remote host closed the connection)
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[9:27] <balor> RPi's enable us do run our code club in Eastbourne, UK http://bit.ly/1Km9zzz Yet another good news story brought to you by raspberry pi. We couldn't run our code club without 'em.
[9:29] * leichtgewicht (~leichtgew@softbank126060230058.bbtec.net) Quit (Remote host closed the connection)
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[10:58] <tomflint> does anyone know how to install NTP in Snappy on a RPI2?
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[11:08] <spudtatoe> noap
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[11:26] <echo083> hello !
[11:26] * Brunetty (~Brunetty@unaffiliated/brunetty) Quit (Ping timeout: 255 seconds)
[11:27] <echo083> the raspberry pi 2 is out is it compatible with most raspberry distribution currently compatible with the b+ ? (i'm beginner)
[11:27] * k6wlr (~jvbenavi@172-2-144-218.lightspeed.sntcca.sbcglobal.net) has joined #raspberrypi
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[11:28] * govg (~govg@unaffiliated/govg) Quit (Quit: leaving)
[11:28] <shiftplusone> echo083, which distro are you thinking of?
[11:28] <echo083> noobs
[11:28] <echo083> rapsbian
[11:28] <Ben64> pi 2 is fully compatible with everything b+ can do
[11:28] <shiftplusone> no, hang on.
[11:28] <echo083> Ben64, ok cool
[11:28] <Ben64> its true though
[11:29] <Ben64> but it is a newer core, so there could be improvements
[11:29] <shiftplusone> no, it isn't.
[11:29] <shiftplusone> It can't runt he old kernel.img, for example.
[11:29] <echo083> Ben64, can you recommend me the most compatible wifi dongle ?
[11:29] <shiftplusone> echo083, http://thepihut.com/blogs/raspberry-pi-tutorials/16982376-updating-raspian-on-your-microsd-for-the-raspberry-pi-2
[11:29] <echo083> shiftplusone, ok let me see
[11:30] <echo083> shiftplusone, raspberrypi-ui-mods seems to be the new package to install
[11:30] <spudtatoe> you can run any xmbc besides osmc or what ever its called
[11:30] <spudtatoe> cant run*
[11:30] <ShorTie> any wifi dongle that has linux drivers should work, as long as it's getting enough power that is
[11:30] * Brunetty (~Brunetty@unaffiliated/brunetty) has joined #raspberrypi
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[11:30] * Dragonkeeper (~dragonkee@cpc2-gill2-0-0-cust69.20-1.cable.virginm.net) Quit (Quit: WeeChat 0.4.3)
[11:31] <echo083> ShorTie, ok i'll take the cheapest ;)
[11:31] <echo083> while i'm here which is the best xbmc distribution with raspberry pi ?
[11:32] * saint-ron (~rons@bb219-74-71-79.singnet.com.sg) has joined #raspberrypi
[11:32] <echo083> xbian ? raspbmc ? openelec ? other ?
[11:32] <shiftplusone> depends on your needs
[11:32] <shiftplusone> my answer is openelec
[11:32] <echo083> shiftplusone, what about xbian they say it's the most performant ?
[11:33] <echo083> openelec has a nice support so i would agree with you
[11:33] <shiftplusone> haven't used xbian. I don't see how it could have better performance than openelec
[11:33] * saint-ron (~rons@bb219-74-71-79.singnet.com.sg) Quit (Client Quit)
[11:33] <echo083> shiftplusone, they say it's optimized with the minimum required
[11:34] <shiftplusone> If that was true, it wouldn't be built on debian.
[11:34] <shiftplusone> I think you should try all the options and decide for yourself
[11:34] <echo083> shiftplusone, ok ok so you use openelec and raspbmc any opinion ?
[11:35] * jjido (~jjido@ has joined #raspberrypi
[11:35] <shiftplusone> I'm not a fan of raspbmc, but only because of negative experience early on. OpenELEC has always been solid.
[11:36] <spudtatoe> i reckon openelec
[11:36] <echo083> ok i'll use it then and about video support i've some mkv it works fine ?
[11:36] <spudtatoe> when it comes out for the pi 2 though'
[11:36] <echo083> shiftplusone, i won't annoy you with more questions :p
[11:37] <shiftplusone> I'm not that easy to annoy.
[11:37] * Xark links http://openelec.tv/news/22-releases/154-openelec-5-0-1-released <- RPi2 support
[11:37] <shiftplusone> but mkv is a container, so that doesn't say much
[11:38] <echo083> shiftplusone, were you enable to read some videos ?
[11:38] <spudtatoe> wheres the DL link!??!!?
[11:38] <spudtatoe> i need openelec
[11:38] <spudtatoe> nvm haha
[11:39] <echo083> spudtatoe, don't worry
[11:39] <shiftplusone> spudtatoe, THE BIG BUTTON AT THE TOP! =P
[11:39] <echo083> spudtatoe, http://www.raspberrypi.org/downloads/
[11:39] <spudtatoe> ik. blonde moment
[11:39] <spudtatoe> do I get the diskimage one or the other?
[11:39] <spudtatoe> echo083, thats for the pi 1 not pi 2
[11:40] <shiftplusone> echo083, http://kodi.wiki/view/Raspberry_Pi_FAQ#Formats
[11:40] <shiftplusone> spudtatoe, disk image is more beginner-friendly.
[11:40] <spudtatoe> ok
[11:40] <echo083> spudtatoe, ah didn't know there was a specific openelec release for the pi2
[11:40] <echo083> shiftplusone, cool thanks
[11:41] <spudtatoe> yah, must have been why when I tried I was getting a rainbow screen
[11:44] <spudtatoe> with open elec, I can have the files on the pi and still access them from my desktop right?
[11:44] <echo083> spudtatoe, where is the image for the raspberry pi 2 ... ? :p
[11:44] <echo083> spudtatoe, blonde super time
[11:44] <spudtatoe> http://releases.openelec.tv/OpenELEC-RPi2.arm-5.0.1.img.gz
[11:44] <echo083> spudtatoe, thanks !
[11:44] <spudtatoe> np
[11:44] * jacobt (~jacob@h209n6-s-oev-d2.ias.bredband.telia.com) has left #raspberrypi
[11:44] * jacobt (~jacob@h209n6-s-oev-d2.ias.bredband.telia.com) has joined #raspberrypi
[11:46] <spudtatoe> echo083, have u ever used it b4?
[11:46] <echo083> spudtatoe, no i'm just gathering information
[11:46] <spudtatoe> mk
[11:46] <echo083> spudtatoe, it costs 35$ for you but here it's 45�
[11:46] <spudtatoe> It cost me $55 NZD
[11:46] <spudtatoe> :P
[11:47] <echo083> spudtatoe, i should find a way to buy in america
[11:47] <echo083> spudtatoe, but i'm afraid about transport
[11:47] <spudtatoe> ah
[11:47] * Tach[Zzz] is now known as Tachyon`
[11:47] <spudtatoe> i ordered mine from a australian copmany
[11:47] <spudtatoe> they shipped it to nz for me
[11:48] <echo083> spudtatoe, i'll use amazon i imagine they'll do it for me
[11:48] <spudtatoe> yeah probably
[11:48] <spudtatoe> try element14
[11:49] <spudtatoe> shiftplusone, do I need the net to install it?
[11:49] <echo083> spudtatoe, ok i'll see that thanks
[11:49] * shiftplusone hides
[11:50] <spudtatoe> lol
[11:51] * cceleri (~cceleri@cpe-74-76-221-16.nycap.res.rr.com) Quit (Remote host closed the connection)
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[11:52] * shum1 (~sdothum@ Quit (Remote host closed the connection)
[11:53] <turtlehat> has any of you experienced win32diskimager not working in win8.1x64?
[11:53] <spudtatoe> no
[11:53] <spudtatoe> i just used it tho lol
[11:54] <turtlehat> :|
[11:54] <turtlehat> apparently it does the job if i set it to win7 compatibility mode
[11:54] <turtlehat> at least so far
[11:55] * cceleri (~cceleri@2604:6000:110d:c012:94c6:37d3:bfe1:a44f) Quit (Read error: No route to host)
[11:55] * cceleri (~cceleri@cpe-74-76-221-16.nycap.res.rr.com) has joined #raspberrypi
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[12:01] <spudtatoe> just put openelec on the pi 2
[12:01] <spudtatoe> was playing a movie off my hdd
[12:01] <spudtatoe> siqqq
[12:02] * ShorTie (~Idiot@unaffiliated/shortie) Quit (Ping timeout: 252 seconds)
[12:03] <echo083> spudtatoe, coooool :p
[12:04] <spudtatoe> holy shit
[12:04] <spudtatoe> this is amazing
[12:04] <spudtatoe> lol
[12:04] <echo083> spudtatoe, i want it !
[12:04] <echo083> spudtatoe, do you have a remote controller ?
[12:04] <spudtatoe> nah
[12:04] <spudtatoe> keybaord and mouse
[12:05] <echo083> spudtatoe, maybe i'll take a keyboard
[12:05] <spudtatoe> got the app though
[12:05] <spudtatoe> imma just have the pi hooked to my tv
[12:06] <echo083> https://www.modmypi.com/raspberry-pi-accessories/keyboards-and-mice
[12:06] <echo083> the second one with mouse integrated
[12:06] * Moshin (~bangboom@udp000088uds.hawaiiantel.net) Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
[12:06] <spudtatoe> is there a client for windows?
[12:07] <echo083> i don't know
[12:07] <echo083> but i found a cheap remote controller
[12:07] <echo083> https://www.modmypi.com/raspberry-pi-accessories/raspberry-pi-xbmc-and-sound
[12:07] <antoon> Oh yeah, I have "that" keyboard, echo083
[12:07] <antoon> Works splendid
[12:07] <echo083> antoon, cool any other remote controller ?
[12:07] <antoon> No, only the keyboard thingie. :(
[12:07] * Armand (~armand@2a01:9cc0:40:6:9d49:4f37:88d6:ac90) has joined #raspberrypi
[12:07] <echo083> what about the flirc ?
[12:07] <echo083> it's cheap
[12:08] <pksato> CEC?
[12:08] <antoon> That's actually where i ordered my rpi2 from
[12:09] <echo083> what's cec ?
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[12:10] <pksato> Consumer Electronics Control, a part of the HDMI interface specification
[12:10] <antoon> "Consumer Electronics Control (CEC) is an HDMI feature designed to allow the user to command and control up-to 15 CEC-enabled devices, that are connected through HDMI,[63][64] by using only one of their remote controls (for example by controlling a television set, set-top box, and DVD player using only the remote control of the TV)"
[12:10] <antoon> so basically some sort of universal controller?
[12:11] <echo083> pksato, ok ok never heard talk thanks
[12:11] <Payo> you use your tv remote to control the pi
[12:11] <Payo> it doesn't work with all tvs
[12:11] <echo083> antoon, i've no opinion sorry :(
[12:11] <antoon> well, I'm not using my rpi as a media center so. :p
[12:11] <Payo> mine works but the remote is pretty slow so it's not that good
[12:11] <antoon> maybe some other electronics interfering with it, Payo?
[12:12] <pksato> and have other wireless ways to controle rpi media centre
[12:12] <echo083> someone tried flirc ?
[12:12] <Payo> i don't think so, for example it doesn't repeat presses when you keep it pressed
[12:12] <Payo> so to go through movies you have to press a billion times
[12:12] <Payo> yeah I have a flirc echo083
[12:12] <Payo> with a logitech harmony
[12:12] <Payo> works great
[12:12] <echo083> Payo, cool to know do you know any "open source" remote controller ?
[12:13] <Payo> it acts like a keyboard so you can plug it in basically anything and it just works
[12:13] <Payo> nop I have a harmony :(
[12:13] <echo083> Payo, ok !
[12:14] <Payo> pi 2 + flirc + harmony is awesome
[12:14] <Payo> super fast
[12:14] <Payo> :)
[12:14] <echo083> Payo, i'm just on the home page ... it seems to be a very sophisticated thing i just need to browse in my video
[12:14] <Payo> yeah it's a universal remote
[12:14] <echo083> 120$ :(
[12:15] <Payo> there are cheap IR remotes too but i've never tried one
[12:15] <Payo> yeah you can program it to turn on all your stuff at once etc
[12:16] <echo083> Payo, i'm not making advertising but look here https://www.modmypi.com/raspberry-pi-accessories/raspberry-pi-xbmc-and-sound
[12:16] <echo083> Payo, the remote controller is only 2L
[12:16] <echo083> �
[12:16] <Payo> yep I know
[12:16] <echo083> Payo, so the choice for my wallet is done lol
[12:16] <Payo> :]
[12:17] <Payo> the harmony is a different thing, it can replace all the remotes in your home ^^
[12:17] * qubitnerd (~neutrino@unaffiliated/electron/x-8286743) Quit (Ping timeout: 240 seconds)
[12:17] <echo083> Payo, i'll think about it
[12:18] <Payo> do you have a smartphone ?
[12:18] <Payo> you can also use that to control kodi
[12:18] <echo083> Payo, yes i've a smartphone but it's not handy i think to control a media center
[12:19] <Payo> the kodi apps are pretty awesome
[12:19] <Payo> they show you movie posters etc
[12:19] <Payo> you don't even have to use the kodi menus, just the app
[12:19] <echo083> Payo, does it download movie poster or is it extracted from movie files ?
[12:19] <Payo> it downloads them from your kodi install i think
[12:19] <pksato> if have a ir remote sensor, any spare controller can be used with LIRC.
[12:20] <antoon> I'd personally go for the cheaper usb-thingie if the goal was only to control rpi. though, if I had a bounch of other equipment (dvd, bluray, etcetcetc) i'd prolly go for the harmony
[12:20] <echo083> antoon, yes
[12:21] <antoon> but then again, i'm not using my rpi as a media center so, can't really get myself into the same situation
[12:21] <spudtatoe> does anyone know if there is a openelec client?
[12:21] <Payo> the harmony does stuff like press one button and it turns on your speakers, your tv, and switches to the HDMI 1 source for example
[12:21] <spudtatoe> raspmc has one doesn't it?
[12:22] <Payo> openelec client ? what do you mean ?
[12:22] <pksato> http://www.lirc.org/ https://learn.adafruit.com/using-an-ir-remote-with-a-raspberry-pi-media-center/lirc
[12:22] <Payo> openelec is a distribution
[12:22] <Payo> running kodi
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[12:35] <pepijndevos> I want to do SPI slave at 8KHz, would this be doable, or am I better off putting an Arduino in the middle? I could bit-bang SPI, but I'm not sure about the speed/latency.
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[12:42] <shiftplusone> agh.... kernel headers package isn't working as expected when cross-compiled =/
[12:48] <[nine]> anyone used hdmi_mode 84 much?
[12:49] <[nine]> had a pi on tv @1920x1080 for ages. back in 2012, if i plugged it into a dell monitor that supported 2048x1152, it happily displayed 2048x1152. first time in ages, gone back to the dell monitor and it displays 1920x1152 centred in the 2048x1152 mode.
[12:50] <[nine]> thought it might be a max pixel clock thing, but the edid reports pixel clock of 156, which is within the upper limit of 162MHz.
[12:54] <[nine]> vcdbg log msg shows hdmi selecting hdmi_mode 84 and switching correctly, but the kernel cmdline still has fbwidth=2048
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[13:15] <Gadgetoid_> Does anyone know a) If the physical PWM FIFO addr has change on the Pi 2 and b) Where?
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[13:51] <cardiel> can i use the same case and power supply to the new rpi 2 as i have used on rpi b?
[13:52] <shiftplusone> probably
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[13:58] <ozzzy> the B+ case is the same
[13:58] <ozzzy> the B case isn't
[13:59] <shiftplusone> ah, I didn't see the 'b' and assumed he was asking about a b+, sorry.
[13:59] <ozzzy> don't want him confused =)
[13:59] <shiftplusone> ozzzy, some b+ cases don't fit a pi 2.
[14:00] <Yohio> http://www.ebay.com/itm/Transparent-Clear-Acrylic-Case-Box-Enclosure-For-Raspberry-Pi-B-PLUS-Model-Hi-Q-/171253380048?pt=AU_Components&hash=item27df7f33d0 I wonder if these fit
[14:00] <Yohio> a bit flimsy but cheap
[14:00] <ozzzy> doesn't the B+ have 4 USB ports
[14:01] <shiftplusone> yeah the pics there are for a b, not a b+.
[14:01] <shiftplusone> but if there's a b+ version of that case, it would fit a pi 2
[14:01] <Yohio> http://www.ebay.com/itm/New-DIY-Acrylic-Shell-Collect-Case-Box-for-Raspberry-Pi-3-B-512-Rev3-RPI3-Model-/261733085901?pt=LH_DefaultDomain_0&hash=item3cf081f2cd this one looks better
[14:01] <shiftplusone> since it's more of a box than a case.
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[14:01] <shiftplusone> yeah, that'll fit
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[14:03] <shiftplusone> but if you use that, you may as well cut some holes in the box the pi came in >.>
[14:03] <ozzzy> http://goo.gl/dli9Sm <-- I ordered 2 of these
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[14:04] <shiftplusone> http://kjf.org.uk/tiger/2012-06-12%2019.58.05.jpg
[14:04] <shiftplusone> ozzzy, oh, that's not bad.
[14:04] <shiftplusone> Though I like the pimoroni coupe right now, since it's a proper case and still gives access to the gpio header.
[14:04] <ozzzy> no... not bad at all
[14:04] <pksato> nice case... and cheap.
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[14:07] <ozzzy> I do think I'll put it on the drill press and mill a set of holes over the cpu to allow heat out
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[15:02] <mk2soldier> Hi guys, does anyone has some experience with cross-compiling packages for the raspberry-pi on an Intel x86 machine? I would like to install rtorrent (it requires some dependencies to be satisfied: libtorrent, zlib, openssl, ncurses, libsigc++, xmlrpc-c, cURL) how can I cross-compile all these packages/libraries on my host system and then tranfer the resulting binaries to the raspberry-pi? Sorry for my bad english..
[15:02] <mk2soldier> have*
[15:04] * _Ulan (~Thunderbi@ has joined #raspberrypi
[15:04] <shiftplusone> https://github.com/bmanojlovic/rpi-cross-compile
[15:04] <mk2soldier> I have already set-up a cross-compile toolchain like described here: http://hertaville.com/2012/09/28/development-environment-raspberry-pi-cross-compiler/
[15:05] * SlackMaster (~SlackMast@pool-96-226-76-62.dllstx.fios.verizon.net) has joined #raspberrypi
[15:05] <godhatesfacts> So my rpi came with an ESD package
[15:05] <godhatesfacts> bag
[15:06] <godhatesfacts> what's the point in grounding myself at place X before opening an ESD packed component when the component was grounded somewhere else with another potential? Me and the component will have different potentials
[15:06] * bugzc_ (~bugzc@unaffiliated/bugzc) Quit (Ping timeout: 265 seconds)
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[15:07] * mave_ (~irc@2a02:2308::216:3eff:fe6d:e551) Quit (Quit: WeeChat 1.1.1)
[15:07] <ShorTie> gpio pins are very static sensitive
[15:08] <godhatesfacts> yeah, I know. So what do you do about it?
[15:08] <mk2soldier> shiftplusone: Thank you shiftplusone, but with that script will I be able to cross-compile also the required dependencies? Could you please point me on how to do it?
[15:08] <ShorTie> making sure yourself is discharged, by like touching a pc, should be good enough to discharge yourself if you got any static in ya
[15:08] * djsxxx (djsxxx@heatman.nbounce.com) has joined #raspberrypi
[15:08] <mk2soldier> shiftplusone: I've also found this http://hacksr.blogspot.it/2013/10/raspberry-pi-crosscompile-setup.html
[15:10] * _Ulan (~Thunderbi@ Quit (Ping timeout: 252 seconds)
[15:11] <ShorTie> for safety, touch the gpio pins as little as posible, if your gonna, just slap your pc first, lol.
[15:11] * Datalink (~Datalink@unaffiliated/datalink) Quit (Ping timeout: 246 seconds)
[15:11] <ShorTie> or any other metal object that is grounded
[15:14] <shiftplusone> godhatesfacts, https://www.youtube.com/watch?v=imdtXcnywb8
[15:15] <ShorTie> what is the major draw back from compiling on the pi, if i can ask ??
[15:15] <shiftplusone> ShorTie, time
[15:16] * mave_ (~irc@2a02:2308::216:3eff:fe6d:e551) has joined #raspberrypi
[15:16] * qubitnerd (~neutrino@unaffiliated/electron/x-8286743) Quit (Ping timeout: 264 seconds)
[15:16] <godhatesfacts> shiftplusone: thanks. Seen that one. That guy is great.
[15:16] * Alina-malina (~Alina-mal@unaffiliated/alina-malina) Quit (Ping timeout: 252 seconds)
[15:16] <shiftplusone> godhatesfacts, ah, then you might want to check out the amp hour podcast as well. They had a pi episode recently.
[15:17] <ShorTie> get a rpi2, hehe.
[15:17] <shiftplusone> rpi2 is not faster than my i7
[15:17] <ShorTie> i understand that if doing major compiling, but for like 1 thing, you'll spend more time setting it up the the compiling it, imho
[15:18] <shiftplusone> but I am switching from cross-compiling to native now, since I can't get a proper kernel header package sorted out when cross-compiling.
[15:18] * fred1807 (~dasgalaxi@ has joined #raspberrypi
[15:18] <ShorTie> ya, but your a compiling nut
[15:18] * ShorTie snickers
[15:18] <fred1807> is there any place I can buy bulk orders of (20,30...) rasPI units , for a lowers price ?
[15:18] <shiftplusone> >=/
[15:19] <shiftplusone> fred1807, RS and Farnell tend to have bulk discounts
[15:19] <ali1234> shiftplusone: got any hints about VC_IMAGE_1BPP?
[15:19] * Tachyon` is now known as Tach[Away]
[15:19] <shiftplusone> nope
[15:20] <ali1234> :<
[15:20] <godhatesfacts> the pi gpu.. what is it? does it have it's own vram and can do rendering stuff with short commands?
[15:20] <godhatesfacts> is it just a general CPU or a dedicated GPU?
[15:20] <ali1234> godhatesfacts: it's a GPU, no it shares system RAM, yes
[15:20] * netzvieh (~nerd@static. Quit (Quit: my bear is out of nuclear vodka)
[15:20] <fred1807> Do you consider important to get those "certified" power bricks (from modmypi) or any chinese 5v 2A does the trick (for music play PI)
[15:21] <ali1234> godhatesfacts: it's both and more
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[15:21] * Hypnotizes (~Hypnotize@unaffiliated/hypnotizes) Quit (Ping timeout: 250 seconds)
[15:21] <shiftplusone> fred1807, avoid no name power supplies. They're unlikely to work reliably and may possible electrocute you or burn your house down.
[15:21] <godhatesfacts> the cpu must have a cache then? Shared ram means that the GPU and CPU can't do work both at the same time
[15:21] <shiftplusone> *possibly
[15:21] <godhatesfacts> unless there's a cache or a really fast ram
[15:21] * Aldem (~Aldem@unaffiliated/aldem) has joined #raspberrypi
[15:22] <ali1234> godhatesfacts: correct, the GPU can preempt the CPU, i dunno about caches though
[15:22] <ali1234> the ARM CPU that is
[15:22] <fred1807> shiftplusone: Do you have a recommendation for trustable but cheap source of power bricks ? (also 20, 30 bulks)
[15:23] <shiftplusone> http://swag.raspberrypi.org/collections/pi-kits/products/raspberry-pi-universal-power-supply
[15:23] <ali1234> the GPU actually has multiple different computing cores aside from the ARM one
[15:23] * woodyj21 (~woody@pcp140729pcs.unl.edu) has joined #raspberrypi
[15:23] <fred1807> shiftplusone: thx
[15:24] <ali1234> shiftplusone: that "nope" - is it because you just don't know or is 1BPP unsupported?
[15:25] <godhatesfacts> ali1234: the reason the GPU can preempt the CPU (and not the reverse) is that the GPU has a small cache (but the CPU doesn't). How did you know that the GPU can preempt the CPU?
[15:25] <shiftplusone> ali1234, don't know
[15:25] <arrakian> Anyone able to tell me if RPI is saving older version of firmware and how to find it?
[15:25] <ali1234> godhatesfacts: someone said it yesterday - and the architecture is such that the GPU is really the "main" processor on the chip, and ARM is just a co-processor, basically
[15:25] <ali1234> shiftplusone: okay, cheers
[15:25] * Datalink (~Datalink@unaffiliated/datalink) has joined #raspberrypi
[15:26] <godhatesfacts> ali1234: yeah, I just realized that. Apparently the GPU and the CPU share the cache.. this is getting confusing. The rpi architecture is weirder than I thought :p
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[15:27] * denete (~denete@ Quit (Remote host closed the connection)
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[15:27] <godhatesfacts> oh, it's some SoC with GPU/CPU and everything.
[15:27] <ali1234> godhatesfacts: i said the other day, it's really weird - but it works well
[15:27] * Hypnotizes (~Hypnotize@unaffiliated/hypnotizes) has joined #raspberrypi
[15:28] <ali1234> which is more than you can say about the rubbish BSPs for other ARM dev boards
[15:28] * Hypnotizes (~Hypnotize@unaffiliated/hypnotizes) Quit (Max SendQ exceeded)
[15:28] <godhatesfacts> it's not the typical integrated computer where you just place some generic ram and generic CPU on the same board
[15:28] <ali1234> not at all no
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[15:34] * amigojapan (~amigojapa@c119045.net21845.cablenet.ne.jp) Quit (Quit: amigojapan)
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[15:38] <ali1234> hmm i think 1BPP might be a palettised format
[15:38] <mave_> is blank screen a new feature of the pi2 after a while of inactivity?
[15:39] * ssvb (~ssvb@85-76-41-68-nat.elisa-mobile.fi) has joined #raspberrypi
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[15:40] <ali1234> mave_: no, pi 1 does it too
[15:41] * Datalink (~Datalink@unaffiliated/datalink) has joined #raspberrypi
[15:42] <ali1234> ah, maybe i want VC_IMAGE_TF_1BPP
[15:43] <mave_> it's quite annoying ali1234, i'm running openelec on it which stays on and i get a blank screen if i want to use it again
[15:43] <ali1234> mave_: i haven't figured out how to fix it yet
[15:43] <mave_> i can hear openelec menu sounds but no screen
[15:43] <mave_> when i switch HDMI inputs i get screen again
[15:43] <mave_> ah i see
[15:49] * Mikelevel (~MoVeWoRk@unaffiliated/mikelevel) has joined #raspberrypi
[15:49] <Payo> is there any way to get flash working on raspbian with the pi 2 ?
[15:50] * fengling (~fengling@ Quit (Quit: WeeChat 1.0)
[15:50] <ali1234> ah... 1BPP mode does work, but instead of black/white i get black/dark blue... so it is palettised
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[15:59] * godhatesfacts (~drinker@gateway/tor-sasl/drinker) Quit (Quit: godhatesfacts)
[15:59] <Pip> How does the Raspberry Pi 2 Model B work?
[16:00] <mortal> waiting mine
[16:00] <shiftplusone> Pip, magic
[16:01] <Pip> Like a normal computer?
[16:01] * Kirito (~Kirito@pdpc/supporter/student/kirito) Quit (Ping timeout: 264 seconds)
[16:01] <Pip> 6 times faster than B+?
[16:02] <shiftplusone> Like a quad core arm a7 SBC running at 900MHz.
[16:02] * marcdel (~marcdel@cpe-107-184-225-255.socal.res.rr.com) has joined #raspberrypi
[16:03] <shiftplusone> (But yes, it feels very snappy. I don't know what 'normal computer' means to you though, so I can't answer that part)
[16:04] <Pip> Doesn't glitch
[16:05] <shiftplusone> You can't open up chrome with 10 tabs playing youtube videos with steam and crysis running.
[16:05] <ali1234> you can't do that on any computer
[16:06] * dreamreal (~jottinge@unaffiliated/dreamreal) has left #raspberrypi
[16:06] <Pip> lol
[16:06] * SlackMaster (~SlackMast@pool-96-226-76-62.dllstx.fios.verizon.net) Quit (Quit: My Mac has gone to sleep. ZZZzzz…)
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[16:58] <Obzy_> suddenly turning on my raspberry pi today i found no leds working , and the bottom on the power socket is heating. any ideas ?
[16:59] * ijustam (~ijustam@107-147-14-107.res.bhn.net) has joined #raspberrypi
[16:59] <traeak> cool looks like void linux is about ready for rpi2
[16:59] <traeak> you too can be systemd-less
[17:00] * PasNox (~pasnox@2a01:e34:ee42:d070:d0b3:ef26:e793:dade) has joined #raspberrypi
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[17:43] <clever> ali1234: VC_IMAGE_TF_1BPP is a texture format, one of the v3d ones
[17:44] <ali1234> yeah
[17:44] <clever> ali1234: it likely isnt in the linear layout your expecting
[17:44] <ali1234> 1BPP actually works you just can't control what colour it is
[17:44] * sphenxes (~sphenxes@194-166-107-139.adsl.highway.telekom.at) Quit (Quit: Leaving)
[17:44] <ali1234> it's palettised i assume, but you can only set palette on 4BPP and 8BPP
[17:44] <clever> a ticket on the firmware repo may have an answer
[17:44] <ali1234> already done
[17:44] <clever> ah
[17:45] <ali1234> https://github.com/raspberrypi/userland/issues/216
[17:46] <ali1234> is there a webpage somewhere with the vc_dispmax function prototypes nicely formatted for easy reading?
[17:46] <clever> not that i know of
[17:46] <ali1234> so far i've got this cat vc_dispmanx.h | indent -l1000 | grep '^\(. VCHPRE_\|//\)' | sed -e 's/VCHPRE_//g' -e 's/VCHPOST_//g'
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[17:49] <traeak> http://forum.odroid.com/viewtopic.php?f=111&t=9174
[17:49] <traeak> fun, performance testing
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[17:51] <clever> traeak: hard to get a feel for the o-droid with all the console output disabled
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[17:53] <traeak> yeah
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[17:53] <traeak> but the thread isn't very biased so some good info
[17:53] <clever> also, i would use bonnie, not pv for disk speed
[17:54] <clever> bonnie does random seeks and all kinds of other stuff
[17:54] <clever> which simulates a real os more
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[17:56] <traeak> i think the rpi2 is cheaper to get started so that's easy enough
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[17:57] <clever> also if you care about boot speed for a specialized setup
[17:57] <clever> you can replace /sbin/init with a bash script
[17:57] <clever> or even drop root entirely and go with an initrd based system
[17:58] <traeak> all depends
[17:58] <traeak> i know void linux with runit boots very fast
[17:58] <traeak> avoiding systemd is a good thing :-p
[17:58] <Armand> ^ ++++
[17:59] <clever> i dont mean systemd alone, i mean all forms of init :P
[17:59] <traeak> i have several arch x86 based systems
[17:59] <Armand> traeak: you mean 'skynetd' ?
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[17:59] <clever> you can replace init with a custom bash script, that just runs your app and sleeps
[17:59] <traeak> running iotop a ton of crap bounces around
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[18:00] <traeak> running iotop on the laptop with void the display never changes...well i have firefox open and that very occaionally shows up on iotop
[18:00] * polarburn (polar@thebes.openshells.net) Quit (Ping timeout: 264 seconds)
[18:01] <traeak> so i can only assume something evil with systemd is constantly doing IO...it seems to be "needy" like windows is
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[18:02] <Armand> traeak: skynetd is a bug, as far as I can tell.. The feature-creep is scary.
[18:02] <clever> traeak: do you know about /proc/sys/vm/block_dump ?
[18:03] <traeak> clever: nah...someplace to look for that?
[18:03] <clever> traeak: just echo a 1 to that, as root
[18:03] <clever> and youll get a list of every IO access on the system
[18:03] <clever> check dmesg
[18:03] <traeak> k
[18:03] <clever> echo 0 to it to turn it back off
[18:03] <clever> it lists the files every app is touching, and the raw block index on the disk for some access
[18:04] <clever> my x86 laptop happens to use systemd, and i dont see a single hit from systemd
[18:07] <clever> and on my pi, screen caused more activity then systemd (1 vs 0, lol)
[18:07] <traeak> it's just "kworker" doing it
[18:07] <clever> thats mostly flushing things, it spams things up
[18:08] <clever> grep it out and youll see the real cause
[18:08] <clever> grep -v to hide things
[18:08] <clever> [ 213.319205] xargs(2528): READ block 2932848 on mmcblk0p2 (40 sectors)
[18:08] <clever> thats odd....
[18:09] <clever> i ran watch, so why did xargs run?
[18:09] <clever> [ 213.263791] openssh-server(2521): READ block 2195456 on mmcblk0p2 (32 sectors)
[18:09] <clever> [ 213.293289] invoke-rc.d(2524): READ block 530888 on mmcblk0p2 (8 sectors)
[18:09] <clever> and what was this?
[18:10] * nefarious (~Nef@unaffiliated/nefarious) Quit (Quit: ZNC - http://znc.in)
[18:11] <clever> traeak: another minor problem, turn syslog off
[18:11] <clever> syslog logs all access, which creates more events
[18:11] <traeak> yeah...or run metalog
[18:11] <traeak> to at least reduce writes
[18:11] <clever> and a tip after that, cat /proc/kmsg
[18:12] <clever> thats like a fifo, the source of all events for syslog
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[18:14] <pepijndevos> How fast do you think I can bitbang SPI slave? I suppose with an interrupt on the clock line and some bit magic.
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[18:15] <clever> polarburn: 20mhz would be the upper limit where you run into problems, so something lower then that
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[18:16] <pepijndevos> I only need 8KHz, so that should be fine then.
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[18:17] <clever> that would be easy
[18:17] <pepijndevos> Great. I was worried latency and other processes could interfere.
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[18:18] <traeak> clever: thanks...definitely looks like systemd spamming on that one box
[18:18] <clever> at 8khz, it shouldnt be much of a problem
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[18:18] <clever> traeak: does it also list which file systemd is accessing?
[18:18] <pepijndevos> clever, great. So I can talk with my Game Boy :D
[18:19] * qubitnerd (~neutrino@unaffiliated/electron/x-8286743) Quit (Quit: WeeChat 1.1.1)
[18:19] <clever> pepijndevos: that gives me an idea, would the gameboy printer also work via SPI?
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[18:20] <pepijndevos> clever... the what?!
[18:20] <traeak> iotop -boqqq is interesting as well
[18:21] <clever> pepijndevos: http://en.wikipedia.org/wiki/Game_Boy_Printer
[18:21] <pepijndevos> If it uses the link cable, quite possibly. though apparently it also talkes some other protocols...
[18:21] <clever> yeah, normal link cable
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[18:22] <clever> hmmm, http://milesburton.com/Gameboy_Printer_with_Arduino
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[18:26] <pepijndevos> sweet
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[19:10] * jhford (sid15926@gateway/web/irccloud.com/x-yljmcbdgrtwzsbfm) has joined #raspberrypi
[19:10] <jhford> hi. i just got my new raspberry pi 2 today and i'm having trouble getting it to boot. I have used many different usb power supplies and two different sd cards
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[19:11] <jhford> both power and activity leds are on solid
[19:11] <jhford> My sd card was formatted with the sdformatter recommend and I have the noobs zip as the only file in the root of the sd card
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[19:12] <NGC3982> jhford: Did the manual tell you to put the zip file in the root of the SD card?
[19:12] <jhford> I've searched for this, but all of the sites I've found were about the previous model
[19:12] <jhford> NGC3982: thanks. i reread the instructions and now I see that I should extract it... sorry for the bother
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[19:13] <NGC3982> :-)
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[19:13] <jhford> it would be great if the device would show "cannot read SD card" when the SD card isn't setup right, instead of just being an ineffective paperweight
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[19:26] <abnormal> lol
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[19:26] <abnormal> you wish it be that easy, eh/
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[19:38] <Engin> i'm trying to decide which board to buy, from documentation, it looks like RP can't boot without an SD card?
[19:39] <Engin> doesn't it have an internal flash or anything?
[19:39] * tonsofpcs (~mythbuntu@rivendell/member/tonsofpcs) has joined #raspberrypi
[19:40] <tonsofpcs> Does the B2 have MPEG2 decoding on-chip? If so, what's the licensing like?
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[19:41] <pksato> B2? :)
[19:41] <tonsofpcs> 2B?
[19:41] <pksato> Probable RPi2 B+ have same licencing as older versions.
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[19:46] <abnormal> Engin, if you want, you can buy the Beaglebone Black, it has a chip on board and will boot from that.
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[19:47] <patchie> hey, how can i take timelapse photos and make filename with time and date of each photo? is that possible?
[19:47] <patchie> i just manage to make it store the filename as the time and date when i start the script
[19:48] <patchie> now=$(date +"%d.%m.%Y_%H:%M:%S")
[19:48] <patchie> raspistill -o /home/pi/webcam/image_$now.jpg -n -tl 6000 -t 0
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[19:49] <abnormal> you should find some hints in the rpi forums as I do not know anything about this..
[19:49] <tonsofpcs> patchie: colons are a bad idea but otherwise yes.
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[19:50] <clever> : works on linux, but not on windows
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[19:50] <clever> ive run into that often, my screenshot tools default to 14:50 for time, then dropbox cant sync it to windows
[19:50] <tonsofpcs> honestly, I'd do YYYYMMDDhhmmssZtztz
[19:50] <patchie> ahh, i can change the colon's yes...filezilla renamed colons to _
[19:51] <tonsofpcs> as then it will sort alphanumerically the same as by date
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[19:51] <clever> i would go with YYYY-MM-DD-hhmmss myself
[19:51] <clever> less of a random blob of numbers for the people who didnt make it
[19:51] <patchie> but back to the problem....cant i make it save the files as the current time? or can i only save files the time of when the script is started?
[19:52] <clever> oh, i think i see the problem
[19:52] <tonsofpcs> clever: right, separators don't terribly change it, but that order is the key
[19:52] <clever> -tl re-saves more files, but doesnt re-run the bash script
[19:52] <patchie> yeah
[19:52] <clever> all i can think of, dont use -tl
[19:52] <clever> use a bash loop
[19:52] <tonsofpcs> patchie: oh, I had a friend run into that... I think he ended up with a cron job, not sure
[19:53] <patchie> hehe, yeah...but cant i just enter time and date into the same line?
[19:53] <clever> cron would also do
[19:53] <clever> it would still only run once
[19:53] <patchie> or must i make a string and attach that?
[19:53] <pksato> patchie: show us entire script.
[19:53] <clever> -tl is internal to raspistill, so everything fed in is useless
[19:53] <pksato> use some paste site.
[19:53] <tonsofpcs> it doesn't matter if you do it on the same line, it's still fed in just once
[19:53] <patchie> that was the entire script :P pksato
[19:53] <pksato> ah?
[19:53] <patchie> tonsofpcs: ahh
[19:54] <pksato> so, all time that run, have a new date.
[19:54] <clever> while true;do now=$(date +"%d.%m.%Y_%H:%M:%S"); raspistill -o /home/pi/webcam/image_$now.jpg -n -t 0;sleep 6000;done
[19:54] <pksato> humm, raspistill not end.
[19:54] <clever> patchie: i havent tested it, but i think the above script will do what you want
[19:54] * darkbasic_ (~quassel@niko.linuxsystems.it) Quit (Quit: No Ping reply in 180 seconds.)
[19:54] <patchie> clever: ohh..thanks..will test it! :)
[19:55] <patchie> linechange at ; ?
[19:55] <benighted> Friday fun - "The thinking of thinking evolves your thinking..." http://bit.ly/1v5GTlw
[19:55] * darkbasic (~quassel@niko.linuxsystems.it) has joined #raspberrypi
[19:55] <clever> but you may get some drift because of the run-time of raspistill
[19:55] <clever> patchie: you can run that as a single line, bash is flexible like that
[19:55] * bigx (~bigx@cam44-2-82-235-243-114.fbx.proxad.net) has joined #raspberrypi
[19:55] <clever> but you can also break each line up at the ;
[19:58] <pksato> -o image%04d.jpg create a numbered file name.
[19:58] <clever> though it wont be timestamped?
[19:59] <pksato> lazy programer. :)
[20:00] <patchie> clever: have a look here: http://www.stuffaboutcode.com/2013/05/time-lapse-video-with-raspberry-pi.html
[20:00] <patchie> go down to the section called: Run the script at start-up
[20:00] <tonsofpcs> there will be a datestamp on the file, you can rename them after they write...
[20:01] <patchie> when i do start now...the cam led is high for 6 sec...then it turns off...
[20:02] <clever> yeah, because it re-runs raspistill each time
[20:02] <clever> with a new filename (containing the current time)
[20:02] <patchie> but it only makes one image..and never lights up the led again
[20:03] <clever> which is about 2 hours
[20:03] <clever> i set the delay to 6000 seconds
[20:03] <clever> you need to wait more :P (or reduce the delay)
[20:04] * Mrloafbot_ (~Mrloafbot@63-148-120-34.dia.static.qwest.net) has joined #raspberrypi
[20:04] * DrBrownBear (~DrBrownbe@gateway/vpn/privateinternetaccess/drbrownbear) Quit (Quit: Leaving)
[20:04] <patchie> ahh..now it seems to work
[20:05] <clever> only issue i can see, the delay between each run will vary, from 6000 to 6005 for example
[20:05] <patchie> but when i do sudo /etc/init.d/startupscript start ....it dowsnt finish...so i cannot do stop untill i use ctrl + c
[20:06] <clever> you need to modify that to run the loop script with &
[20:06] <clever> to it goes into the background
[20:07] <patchie> like that?
[20:07] <patchie> .. /home/pi/webcam/timelapse.sh
[20:07] <patchie> .. /home/pi/webcam/timelapse.sh &
[20:07] <patchie> the last line
[20:07] <clever> yep
[20:07] * kiely is now known as kiely_elsewhere
[20:07] <clever> and the stop action also needs to change, killing raspistill wont work anymore
[20:08] <patchie> wow..it works!
[20:08] * Moshin (~bangboom@ has joined #raspberrypi
[20:08] <patchie> ahh..yeah...should do killall timelapse.sh ?
[20:08] <clever> try it in a shell and see if it stops
[20:09] <patchie> works perfect :)
[20:09] <patchie> thanks a lot
[20:09] <pksato> if [ -f /tmp/killme ]; then exit; fi
[20:10] <pksato> on some place of main loop
[20:10] <clever> thats another way, more latency though
[20:10] <pksato> to kill touch /tmp/killme
[20:10] <clever> and if you try to restart, youll have to delete the file on start
[20:10] <clever> and the old instance may not have seen it in time
[20:11] <clever> pid is better
[20:11] * Xethron (~Xethron@unaffiliated/xethron) has joined #raspberrypi
[20:11] <ali1234> write a systemd unit
[20:11] <clever> when you run something using &, the pid is stored in $$
[20:11] <pksato> if [ -f /tmp/killme ]; then /bin/rm /tmp/killme; exit; fi
[20:11] <clever> so you could do /home/pi/webcam/timelapse.sh &
[20:11] <clever> echo $$ > /tmp/timelapse.pid
[20:11] <clever> then at a later time, kill by pid
[20:12] <clever> pksato: the 2nd instance made by restart would suicide instantly, and the old instance you meant to kill then wont find the file
[20:12] <pksato> yes, need a way to detect previos instance.
[20:12] <ali1234> http://jason.the-graham.com/2013/03/06/how-to-use-systemd-timers/
[20:13] <clever> pksato: pid is the best option, thats how most services do it
[20:13] <clever> lets you run many of the same app, and kill the right one
[20:14] * darkbasic_ (~quassel@niko.linuxsystems.it) has joined #raspberrypi
[20:14] * dj_pi (~dj@c-107-5-228-80.hsd1.mi.comcast.net) Quit (Ping timeout: 246 seconds)
[20:14] * darkbasic (~quassel@niko.linuxsystems.it) Quit (Read error: Connection reset by peer)
[20:15] * pwillard (~pwillard@c-73-184-136-133.hsd1.ga.comcast.net) has joined #raspberrypi
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[20:18] * speeddragon (~speeddrag@gateway/tor-sasl/speeddragon) Quit (Remote host closed the connection)
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[20:20] * pksato (~PEBKAC@unaffiliated/pksato) Quit (Ping timeout: 256 seconds)
[20:20] <GivenToCode> anyone making a robot kit for the pi?
[20:20] <GivenToCode> google came up with 1 but it's in the uk. I'm in the US
[20:22] <abnormal> go to radio shack and get the robot kit.
[20:22] * pksato (~PEBKAC@unaffiliated/pksato) has joined #raspberrypi
[20:22] <pwillard> lol... before they all gone
[20:22] <ShadowJK> (before they close all shops)
[20:23] <abnormal> GivenToCode, also, look in www.makezine.com
[20:24] * Xethron (~Xethron@unaffiliated/xethron) Quit (Ping timeout: 250 seconds)
[20:25] <GivenToCode> abnormal, got a link? cant seem to find it
[20:25] * XpineX (~XpineX@ Quit (Ping timeout: 252 seconds)
[20:25] * Xethron (~Xethron@unaffiliated/xethron) has joined #raspberrypi
[20:26] * lucasub (~luca@host221-161-dynamic.58-82-r.retail.telecomitalia.it) Quit (Ping timeout: 252 seconds)
[20:27] * Obzy_ (~Obzy@unaffiliated/obzy) Quit (Ping timeout: 264 seconds)
[20:27] <abnormal> ok just a min...
[20:27] * mils (~mils@unaffiliated/mils) Quit (Max SendQ exceeded)
[20:28] * mils (~mils@unaffiliated/mils) has joined #raspberrypi
[20:28] * sunkawakan (~sunkawaka@gateway/tor-sasl/sunkawakan) Quit (Quit: Leaving)
[20:28] <abnormal> http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0CD8QFjAA&url=http%3A%2F%2Fwww.raspberrypi.org%2Ftag%2Frobots%2F&ei=whXVVLuOOfLfsASn24LoAw&usg=AFQjCNEosbfM5ETYTMQhW3p8FnpfoF-vtA&bvm=bv.85464276,d.cWc
[20:28] * Tach[Away] is now known as Tachyon`
[20:29] * gordonDrogon (~gordon@2001:4d48:ad51:8901::2) Quit (Quit: Where's the Kaboom?)
[20:30] <abnormal> http://www.superdroidrobots.com/shop/category.aspx/robots-robot-kits/74/?gclid=CJDvk-yGzsMCFVQ2gQodzhsAqw
[20:30] <abnormal> http://www.amazon.com/GoPiGo-Robot-Kit-Raspberry-Pi/dp/B00NYB3J0A/ref=sr_1_1?ie=UTF8&qid=1423251020&sr=8-1&keywords=raspberry+pi+robot+kit
[20:30] <abnormal> need more?
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[20:34] * Xethron (~Xethron@unaffiliated/xethron) Quit (Ping timeout: 246 seconds)
[20:37] <pwillard> Anyone have any experience with PNY MicroSDHC 32GB class 10?
[20:37] * djhworld (~djhworld@ has joined #raspberrypi
[20:38] <abnormal> no but I have good luck with 4, 8, and 16 gb PNY SD cards... no probs with them...
[20:38] <pwillard> Cool, thanks
[20:39] * doomlord_1 (~textual@host31-51-108-109.range31-51.btcentralplus.com) has joined #raspberrypi
[20:41] * lucasub (~luca@host53-187-dynamic.4-87-r.retail.telecomitalia.it) has joined #raspberrypi
[20:41] * random4224 (~random422@gateway/tor-sasl/random4224) has joined #raspberrypi
[20:41] <abnormal> you really don't need high class fancy SD cards for the pi... just so long it's class 4 or higher, also look in www.raspberrypi.org and in SD card recommendations and in forums if you like to find more info of them.
[20:42] <ali1234> clever: what is vc_image_ptr for?
[20:42] <clever> ali1234: in which file?
[20:42] <ali1234> hello_dispmanx
[20:43] <clever> *looks*
[20:43] <ali1234> specifically the last argument of vc_dispmanx_resource_create
[20:43] <clever> ah, that one isnt used
[20:43] <clever> doesnt work
[20:43] <ali1234> doesn't work? what do you expect it to do?
[20:43] <clever> i would expect it to return the physical memory address of the resource
[20:43] <clever> but it doesnt return anything
[20:44] <ali1234> okay
[20:44] <clever> you can still fetch that manualy
[20:44] <clever> https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface#get-dispmanx-resource-mem-handle
[20:44] <ali1234> what can i do with it?
[20:44] <clever> this will turn a resource handle (from vc_dispmanx_resource_create) into a memory handle
[20:44] <clever> https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface#lock-memory
[20:44] <clever> this then turns a memory handle into a physical address
[20:44] <clever> mmap that thru /dev/mem and you can draw directly to the resource
[20:45] <clever> without having to use resource_write_data
[20:45] <ali1234> is there any point in going through all that rather than just using resource_write_data?
[20:45] <clever> faster
[20:45] * mortale (~mortale@gateway/tor-sasl/mortale) Quit (Ping timeout: 250 seconds)
[20:45] <clever> once you mmap it, you can write directly to the buffer, without having to wait for resource_write_data to copy the entire frame
[20:45] <ali1234> and then you send a notify_changed?
[20:45] <clever> nope, its instant
[20:45] <clever> any writes instantly appear on screen
[20:46] * ctarx (~ctarx@p508FFCF2.dip0.t-ipconnect.de) Quit (Quit: My MacBook has gone to sleep. ZZZzzz…)
[20:46] <clever> this is exactly how /dev/fb0 works
[20:46] <ali1234> i see
[20:46] <ali1234> what is element_changed for then?
[20:46] <ali1234> element_modified sorry
[20:46] <clever> not sure
[20:46] <ali1234> okay
[20:46] <clever> with the above method, you will get tearing
[20:46] <clever> because your modifying what is currently on-screen
[20:47] <ali1234> unless the resource isn't actually on screen
[20:47] <clever> http://ext.earthtools.ca/videos/vo_dispmanx.c
[20:47] <clever> look at doFlip()
[20:47] <clever> this one doesnt direct render, but the idea will help
[20:47] <ali1234> in any case, using 8BPP images i only need to send 11.5kb per frame
[20:47] <clever> make 2 resources, and 1 element
[20:47] <clever> then swap the resource behind an element
[20:47] * irc_smirk (17f24525@gateway/web/freenode/ip. has joined #raspberrypi
[20:47] <irc_smirk> hello
[20:48] * ctarx (~ctarx@p508FFCF2.dip0.t-ipconnect.de) has joined #raspberrypi
[20:48] <ali1234> clever: yeah i get all that. how should i synchronize the main thread filling the buffers with the vsync callback though? i assume it's on a different thread
[20:49] <ali1234> i would rather not have it spinning on a mutex all the time
[20:49] <clever> about all i can think of is a fifo with proper thread protections
[20:49] <clever> so you can push packets into a queue
[20:49] <ali1234> yeah
[20:49] <clever> and the vsync will consume them
[20:50] <clever> if it runs out, throw up a NOP resource
[20:50] <ali1234> even so, you have to protect the fifo pointers somehow
[20:50] <clever> also, how are you capturing the vsync interupt?
[20:50] <ali1234> i implemented exactly this in my AVR inserter
[20:50] <ali1234> clever: there's a callback for it
[20:50] <ali1234> let me throw up my processed header
[20:51] <ali1234> http://al.robotfuzz.com/~al/random/vc_dispmanx.html#vc_dispmanx_vsync_callback
[20:52] <clever> and this is where i say, 'luke, use the source!'
[20:52] <ali1234> that *is* the source
[20:52] <clever> https://github.com/raspberrypi/userland/blob/master/interface/vmcs_host/vc_vchi_dispmanx.c#L1059
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[20:53] <traeak> so i'm reading that multiple sdl2 surfaces on the rpi using gl as a backend isn't very stable
[20:54] <clever> ali1234: ok, so your vsync callback is ran on line 1305
[20:55] <ali1234> vcos_thread_create
[20:55] <clever> ali1234: and line 212 reveals that its a dedicated thread made by the vcos libs
[20:55] <clever> i'm guessing it maps to pthread on the arm side
[20:55] <clever> so you can just use normal pthread protections on the fifo
[20:55] <clever> lock, update, unlock
[20:55] <ali1234> okay. i've seen people using pthread_mutex for this
[20:55] * mortale (~mortale@gateway/tor-sasl/mortale) has joined #raspberrypi
[20:55] <clever> so if both threads try to touch it together, one of them will stall until the other is done
[20:55] <clever> you may want try_lock though
[20:56] <ali1234> ah, now we're getting somewhere
[20:56] <clever> http://stackoverflow.com/questions/9258308/how-to-use-pthread-mutex-trylock
[20:56] <clever> the reason for that
[20:56] <clever> you dont want the vsync callback to stall and leave the packet up for several frames
[20:56] <ali1234> so try_lock(), if it fails in the vsync send filler, if it fails in the fifo just sleep for a bit
[20:56] <clever> you want to test, and then fail out with a NOP packet
[20:56] <ali1234> got it
[20:56] <clever> for the fifo push, dont use try lock
[20:56] <clever> use the normal lock function, that will sleep for you
[20:56] <ali1234> right, because the vsync should be fast anyway
[20:57] <ali1234> oh, lock sleeps? okay then. i thought it just polled at maximum speed
[20:57] <clever> these functions also have inter-thread wakeup built in
[20:57] <clever> it goes to sleep, and the unlocking thread wakes it up later
[20:57] <clever> so it doesnt burn cpu
[20:57] <ali1234> ah, cool
[20:57] <ali1234> so basically it just works efficiently by default?
[20:58] <clever> yep
[20:58] <clever> what your thinking of is a spinlock, which is only found in the kernel
[20:58] <ali1234> yeah
[20:58] <clever> it was also important to confirm its threaded
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[20:59] <clever> because if it was signal based, it may suspend some of the code mid-lock
[20:59] <clever> and then attempt to lock it again
[20:59] <clever> then wait for the code it suspended, which will never resume
[20:59] <ali1234> so i only have one remaining question: does it fire vsync on odd field, even field, or both?
[20:59] * PasNox (~pasnox@2a01:e34:ee42:d070:d0b3:ef26:e793:dade) Quit (Quit: Leaving - Cross platform IDE http://monkeystudio.org)
[21:00] <ali1234> stupid nvidia hardware fires on both, it's horrible
[21:00] <clever> both is easy to detect, increment a number on each firing
[21:00] <ali1234> and there's no way to know which either
[21:00] <clever> and then measure the rate of increase
[21:00] <clever> 30 or 60
[21:00] <ali1234> sure
[21:00] <clever> even/odd is harder to detect
[21:00] <clever> and the pi will slice your image up into even&odd fields
[21:01] <ali1234> yeah... if you get it wrong though, the fieldsplay in reverse order
[21:01] <ali1234> i could use that to detect it
[21:01] <ali1234> just put up a horizontal sweeping bar
[21:01] <ali1234> if it judders... i got it wrong
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[21:01] <Splintor> allo folks :)
[21:02] * darkbasic (~quassel@niko.linuxsystems.it) has joined #raspberrypi
[21:02] <ali1234> oh actually one more question: how to make sure my overlay is always the topmost one? i assume with the layer?
[21:02] <clever> ali1234: yep
[21:02] <clever> ali1234: one min
[21:02] <ali1234> higher number = higher priority?
[21:03] * darkbasic_ (~quassel@niko.linuxsystems.it) Quit (Ping timeout: 252 seconds)
[21:03] <clever> digging thru the sources
[21:04] * dustinm` (~dustinm@ Quit (Ping timeout: 252 seconds)
[21:05] <clever> ali1234: the omxplayer subtitles are done at layer 1
[21:05] <clever> not sure yet what layer video or fb0 are on
[21:06] * lucasub (~luca@host53-187-dynamic.4-87-r.retail.telecomitalia.it) Quit (Ping timeout: 245 seconds)
[21:06] <clever> ali1234: layer appears to allow negatives
[21:06] <clever> ali1234: https://github.com/raspberrypi/firmware/issues/41#issuecomment-21415602
[21:08] <clever> if i'm reading this right, fb0 is layer -127 and this guy was turning on alpha so the -128 layer would bleed thru
[21:08] <clever> so 100 shows over 0, which shows over -100
[21:10] * Affix (~Affix@fedora/Affix) has joined #raspberrypi
[21:10] <Affix> Hey guys
[21:11] <Affix> I got my Pi2 today
[21:11] * doomlord_1 (~textual@host31-51-108-109.range31-51.btcentralplus.com) Quit (Ping timeout: 252 seconds)
[21:11] <Affix> With a Sandisk 8GB MicroSDHC
[21:11] <Affix> Its formatted perfectly fine and my Model B boots from it (with the adapter) perfectly fine
[21:11] <Affix> however my 2 wont
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[21:12] <clever> did you update the firmware yet?
[21:13] <ali1234> clever: got it, thanks
[21:13] <Affix> clever: you talking to me?
[21:14] * Mr_Sheesh (~mr_s@unaffiliated/mr-sheesh/x-0757054) Quit (Quit: reboot, brb)
[21:14] * pksato (~PEBKAC@unaffiliated/pksato) Quit (Quit: Problem Exists Between Keyboard And Chair)
[21:14] <clever> Affix: yes
[21:14] <Affix> No I didn't know i had to
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[21:15] <clever> do apt-get update and upgrade on the old model
[21:15] * ShorTie (~Idiot@unaffiliated/shortie) has joined #raspberrypi
[21:15] <Affix> Its pidora
[21:16] <clever> may need rpi-update then
[21:16] <Splintor> question folks, got a pi today,A + i believe? for the initial setup, will i have to use a keyboard/mouse and monitor to setup or can i drop an OS onto an SD and then ssh into it?
[21:17] <Affix> If you know the IP you should be able to SSH in Splintor
[21:17] * abnormal (~abnormal@ip-64-134-71-183.public.wayport.net) Quit (Ping timeout: 252 seconds)
[21:17] <Splintor> well i can grab the IP off my router's device list anyway
[21:17] <Splintor> will i just stick rasbian on the SD card and see how it goes?
[21:18] <Affix> Yeah :)
[21:18] <Affix> Good luck!
[21:19] * kiely_elsewhere is now known as kiely
[21:19] <Splintor> cheers!
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[21:30] <ali1234> actually... i bet i can port my AVR code directly
[21:30] <ali1234> the fifo stuff anyway
[21:30] <irc_smirk> anyone try pi 2 web browsing?
[21:30] <irc_smirk> id like to know if we can finally play youtube videos with it
[21:32] <pepijndevos> ali1234, I wonder if it'd be possible to run Arduino code on Raspi, like other Arm and Intel boards. But I guess a linux kernel is kind of a different target.
[21:32] <pepijndevos> irc_smirk I heard it's much better. Not sure how much.
[21:32] <irc_smirk> but is youtube doable yet or not?
[21:33] <ali1234> pepijndevos: linux cannot give you real time guarantees, so low level AVR stuff is tricky. but most arduino code doesn't rely on it
[21:33] * veonik_ is now known as veonik
[21:35] <pepijndevos> Yea, you'd just have to implement the API's on top of bcm2835
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[21:47] * veonik is now known as veonik_
[21:48] * mrclarinet (~mrclarine@016.237-93-216-nokia-dsl.dynamic.surewest.net) has joined #raspberrypi
[21:49] <pwillard> why on earth would you want to cripple a pi?
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[21:51] <abnormal> something to do...
[21:51] <traeak> because it's running too fast and you want to eat it before it spoils?
[21:52] <abnormal> like drill a hole in middle of it and install a clock mechanism on it.
[21:52] <abnormal> then hang it on the wall...
[21:54] * kiely is now known as theodore
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[21:57] <ShadowJK> eh, an arduino wrapper on pi would be rather negligible perf
[21:57] <clever> i think you could do it with just a #define and wiringpi
[21:57] <ShadowJK> Since the arduino lib is pretty thin to start with, it shouldn't make things much slower than "native" gpio on rpi
[21:58] <clever> just remap the digitalWrite to wiringpi
[21:58] <ShadowJK> I was going to suggest making digitalWrite write stuff into /sys/....gpio whatever
[21:59] <clever> open/write/close is slower then mmaping /dev/mem, but it would probly still be faster then a real avr
[22:00] <ali1234> i wouldn't be so sure of that
[22:00] <ShadowJK> nah
[22:01] <ShadowJK> The general trend is, the faster and fancier CPU, the slower it's at bitbanging (gpio)
[22:01] * veonik_ is now known as veonik
[22:01] * krnlyng (~liar@ Quit (Remote host closed the connection)
[22:01] <ali1234> AVR can turn flip a GPIO in like 8 cycles
[22:01] <clever> ShadowJK: yeah, ive already found that the gpio maxes our near i think 20mhz when bit-banging a square wave
[22:01] <clever> and it was filled with jitter
[22:02] <clever> ali1234: i think you could make an avr change a gpio once on every clock cycle, but it wouldnt do anything usefull
[22:02] * Moshin (~bangboom@ has joined #raspberrypi
[22:02] <clever> you would have to hard-code a series of gpio writes in assembly, without even a loop
[22:02] <ShadowJK> 20MHz is kinda exceptionally good for a Pi class cpu
[22:03] <ali1234> i'm pretty sure the write instruction is at least 2 cycles...
[22:03] <clever> ShadowJK: jitter is the main issue at that speed, it will hand randomly at any point in the signal
[22:03] * nefarious (~Nef@unaffiliated/nefarious) Quit (Quit: ZNC - http://znc.in)
[22:03] <clever> ali1234: i remember every AVR instruction being single cycle
[22:03] <ali1234> nope
[22:03] <ali1234> you're thinking of some other arch
[22:03] * Mikelevel (~MoVeWoRk@unaffiliated/mikelevel) Quit (Ping timeout: 252 seconds)
[22:04] <ali1234> https://github.com/ali1234/avr-teletext/blob/master/isrs.S#L132 <- those comments are cycle counts
[22:04] * netzfisch (~Thunderbi@e176098248.adsl.alicedsl.de) has joined #raspberrypi
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[22:05] <clever> ah
[22:06] <ali1234> actually, sts is one cycle
[22:06] * irc_smirk (17f24525@gateway/web/freenode/ip. Quit (Quit: Page closed)
[22:06] <ali1234> but you need an instruction to change the value in the register
[22:06] <clever> from what ive read, the pi ARM cpu will stall for ~40ns if you attempt to do GPIO
[22:06] <ali1234> i don't think there's an immediate store instruction
[22:06] <clever> and after that, it will resume running at the 700mhz or whatever you set it to
[22:07] * SlackMaster (~SlackMast@pool-96-226-76-62.dllstx.fios.verizon.net) Quit (Quit: My Mac has gone to sleep. ZZZzzz…)
[22:07] <pwillard> o.O ?? what is device tree? in Raspi-config?
[22:08] <clever> pwillard: arm stuff to configure the kernel at boot time
[22:08] <clever> in this case, it lets you turn i2c/spi on or off when booting
[22:08] <clever> so you dont have to disable the drivers
[22:08] <pwillard> Important? useful? Enable it?
[22:08] <ali1234> it replaces the hardcoded platform definitions for every board in the kernel
[22:08] <pwillard> ah cool
[22:08] <pwillard> good to know
[22:08] * woodyj21 (~woody@pcp140729pcs.unl.edu) Quit (Quit: leaving)
[22:09] <clever> with a minor patch, it would also let you configure things like the mpr121 cap touch sensor as a keyboard
[22:09] <pwillard> sweet.
[22:09] <clever> once the kernel is patched, you can set that up without any kernel changes
[22:09] <clever> device tree wasnt working at the time, so i didnt get that patch done
[22:10] * pksato (~PEBKAC@unaffiliated/pksato) has joined #raspberrypi
[22:10] <clever> because i had no device tree, i had to write this kernel module and load it, http://pastebin.com/WiwVRV1U
[22:10] <pwillard> forgive my noobishness... I'd been running on an older release and just got my Pi 2 a few minutes ago... so just did a new distro download.
[22:10] <ali1234> clever: do you think i should use read or fread to fill my fifo?
[22:10] <clever> all it does is say tha a device is at addr 0x5a and the 1st element is enter
[22:10] * SlackMaster (~SlackMast@pool-96-226-76-62.dllstx.fios.verizon.net) has joined #raspberrypi
[22:11] <clever> ali1234: i wouldnt use a linux fifo, but just an array or ring buffer within the app
[22:11] <ali1234> i am doing
[22:11] <ali1234> but i want to read the data from stdin
[22:11] <clever> ah
[22:11] <ali1234> sorry forgot to mention that
[22:11] <ali1234> i want to pipe teletext in from another app, or maybe netcat
[22:11] <clever> fread, read, and >> all work, just depends on what you know best
[22:12] <clever> select may be required though
[22:12] <ali1234> i know how to read from a 1 byte uart with avr assembly :S
[22:12] <clever> if you have c++, just do this
[22:12] <clever> std::string line; stdin >> line;
[22:12] <clever> and you have the whole line in the variable
[22:12] <ali1234> the data isn't text
[22:13] <ali1234> it's binary
[22:13] <clever> fixed size packets?
[22:13] <ali1234> i want to read 42 bytes from stdin and block until it all arrives
[22:13] <ali1234> yes
[22:13] <clever> read or fread then
[22:13] <ali1234> right, which? ;)
[22:13] <ShadowJK> is there a flread or fnread
[22:13] * ShadowJK forgets
[22:13] <clever> read is much lower level, directly calls the kernel
[22:13] <ali1234> shall i just toss a coin?
[22:13] <clever> fread has some buffers within the userspace
[22:13] <ShadowJK> and yeah, you probably want f*
[22:14] <clever> and may read more then you asked, then just throw it at you and skip the kernel
[22:14] <clever> so fread may perform faster for high traffic
[22:14] <ali1234> fread it is then
[22:14] <ShadowJK> read can return "I'm tired, try later", "I have a headache, here's 1 byte"
[22:14] * XpineX (~XpineX@ Quit (Ping timeout: 250 seconds)
[22:14] <ali1234> lol
[22:14] <clever> and there is already a handle for stdin, one sec
[22:14] <ali1234> yeah "stdin"
[22:15] <ali1234> and STDIN_FILENO for read
[22:15] <clever> nope, thats a c++ iostream
[22:15] <clever> and thats a int, not a FILE*
[22:15] <clever> ah wait no, mixing things up
[22:15] <clever> stdin is a FILE*
[22:15] <clever> cin is the c++ iostream
[22:15] <ali1234> i have actually read both man pages before asking the question :)
[22:15] <clever> and STDIN_FILENO is just 0, an int
[22:15] <ShadowJK> mixing C and C++ IO is probably a bad idea, btw
[22:15] <clever> i'm a bit rusty
[22:15] <clever> yeah
[22:15] <ali1234> yeah this is not C++
[22:16] <clever> fread and cin both buffer
[22:16] <clever> which would leave the bare read call skipping data
[22:16] * ShadowJK ended up as a C person because C++ didn't have manpages
[22:16] <traeak> heh
[22:16] <traeak> cppreference.com :-p
[22:17] <clever> the bookshelf in my room :P
[22:17] <traeak> really old skool. i abandoned books back in the late 90s when i realized technology was moving way too fast.
[22:18] <clever> yeah, google is faster then the book index
[22:18] <clever> havent touched most of those books in years
[22:18] <ShadowJK> google didn't exist when I started using C
[22:18] <ali1234> i used to have a CDROM full of API reference webpages i spidered
[22:18] <traeak> i worked in a place that resembled a huge concrete bunker for my early career
[22:19] <ali1234> in like 1997
[22:19] <ShadowJK> and I didn't have internet+cpu that makes online references as fast as manpage until very recently
[22:19] <ali1234> *CDR
[22:19] <ShadowJK> I did have Java reference spidered to hd, but viewing it was magnitude slower than manpage
[22:20] <traeak> a java book was the last one i bought
[22:20] <ShadowJK> I bought of Knuth's books
[22:20] <ShadowJK> +two
[22:20] <traeak> then i worked with some java and realized it didn't really deliver on everything it promised
[22:21] <traeak> and of course it changed fast too
[22:21] <clever> ive used java on desktops and android
[22:21] <clever> and on a server in one spot
[22:21] <clever> desktop java, the GUI is just painfull
[22:21] <clever> android java, works great
[22:22] <clever> one thread per user!
[22:22] <clever> server java, surprise, you have no non-blocking io!!
[22:22] <traeak> late 90's and early 2000's ... had to deploy java and VM together
[22:22] <traeak> change the VM or different platform and you were probably toast
[22:22] <ShadowJK> Java is all about having threads really
[22:23] * Habbie (peter@shannon.7bits.nl) has joined #raspberrypi
[22:23] <Habbie> hello! what distributions that run on the pi2 will give me x11, besides raspbian?
[22:23] <Habbie> looking to see if a whole armv7 userland is worth anything
[22:23] <Habbie> and also just curious about the options
[22:23] <ShadowJK> Dunno the current state, because I haven't really done any serious linux programming for quite some time, but aio also needed threading for some operations to guarantee to not block
[22:23] <Habbie> because i have the impression ubuntu snappy won't give me x11 (but i could be wrong)
[22:24] <traeak> with c++11 things are somewhat easy
[22:24] <traeak> i just thread pool generally
[22:24] <ali1234> Habbie: snappy won't give you x11
[22:24] <Habbie> ali1234, thought so :)
[22:24] <traeak> that's how i slam to death 64+ cores and hog tons of ram
[22:24] <clever> Habbie: most of the current distros run an armv6 userland on the pi2, with an armv7 kernel
[22:24] <Habbie> clever, armv6+hf, i presume
[22:24] <clever> so the userland doesnt get any speed boost, only the kernel and threads
[22:24] <Habbie> clever, like raspbian
[22:24] <clever> more cores
[22:25] <Habbie> understood
[22:25] <Habbie> and that's a neat speedup already, this much is abundantly clear
[22:25] <clever> making an armv7 userland would break compatability with the older pi's
[22:25] * pwnd (~pwnd@gateway/tor-sasl/pwnd) has joined #raspberrypi
[22:25] <Habbie> yes
[22:25] <clever> force them to maintain 2 sets of packages, and you cant swap the card about
[22:25] <Habbie> i did see some guy post a 'stock debian' plus raspi 7 kernel
[22:25] <Habbie> indeed
[22:25] <clever> start.elf has support to auto-load the right kernel
[22:25] <clever> kernel.img or kernel7.img
[22:25] <traeak> wouldn't it be easier to put the rpi2 into the armv7 family of machines like beaglebone, etc ?
[22:25] <Habbie> i can see why it's not happening in the major images yet
[22:26] <Habbie> traeak, it -is- in that family
[22:26] <pwnd> where to buy raspberry pi for 35$ as they said?
[22:26] <traeak> not if its shipping an armv6 userspace
[22:26] <pwnd> * raspberry pi 2
[22:26] <Habbie> traeak, but the images on raspberrypi.org don't do it for userland - for reasons clever mentioned
[22:26] <Habbie> pwnd, what country?
[22:26] <pwnd> Habbie Serbia
[22:26] <clever> i wonder, could you grab the buildroot scripts for rasbian, and build your own armv7 userland?
[22:27] <traeak> Habbie: gotcha...but that doesn't stop arch or whoever else from treating treating it like an armv7
[22:27] <Habbie> clever, there should be no need - debian.org offers that userland
[22:27] <clever> just change the compiler and flags, and click go
[22:27] <Habbie> traeak, absolutely
[22:27] <clever> ah yeah
[22:27] <Habbie> pwnd, i don't know then, sorry
[22:27] <clever> Habbie: so you would only have to throw in the vc4 shims
[22:27] <pwnd> np
[22:27] <Habbie> ok, raspbian x11 question then, how do i add chromium to the top bar?
[22:27] <clever> stock armv7 debian + vc4 shims for mesa&dispmanx
[22:28] <Habbie> right, the videocore, that's a thing of couse
[22:28] <Habbie> course
[22:28] * veonik is now known as veonik_
[22:28] <clever> source and build scripts are on github, so you can build the shim on any distro
[22:29] <Habbie> i guess it will only be some time before pure armv7 dists with x11 show up
[22:29] <Habbie> with the vc4 stuff
[22:29] <Habbie> any idea how much it would help performance if userland is armv7?
[22:29] * Xethron (~Xethron@unaffiliated/xethron) Quit (Ping timeout: 252 seconds)
[22:29] <clever> dont need vc4 for x11
[22:29] <clever> the kernel provides a framebuffer at /dev/fb0
[22:29] <Habbie> vc4 doesn't speed up x11? i recall reading something about that
[22:29] <Habbie> a long time ago
[22:29] <traeak> reports are the frame buffer is too slow for x11 to be very useful though
[22:29] <Habbie> so i might be wrong :)
[22:30] <Habbie> now ircing from the pi2
[22:30] <clever> so you have to patch xorg
[22:30] <clever> Habbie: custom ioctl on /dev/fb0 that does dma blits and copies
[22:30] <Habbie> this is a very snappy machine (no ubuntu pun intended) compared to the pi
[22:30] <Habbie> clever, ah
[22:30] <clever> entirely seperate from vc4
[22:30] <Habbie> clever, and a strict v7 pi-unaware build might not have those smarts?
[22:30] <clever> correct
[22:30] <clever> it would use the older fb0 stuff
[22:30] <Habbie> thanks
[22:31] <Habbie> now pondering raspbian x11 + otherwise armv7 userland :)
[22:31] <clever> but also with 4 cores, one core can slowly copy, while the other 3 run user-apps
[22:31] <clever> so its less noticable
[22:31] <Habbie> sure
[22:31] <clever> more clock as well, 900mhz i think by default
[22:31] <Habbie> the pi2 makes everything so much better already
[22:31] <traeak> where's that git page?
[22:31] <Gadgetoid> Except HATs :D
[22:32] <Habbie> [ 2.346555] bcm2835-cpufreq: min=600000 max=900000
[22:32] <Habbie> 900 it is
[22:32] <Habbie> some of the time anyway ;)
[22:32] <Gadgetoid> Anyone know where the offset for the PWM hardware fifo is on Pi 2? I think it might be the thing that's eluding me
[22:32] <Habbie> i love how the 2835-drivers work for it
[22:32] <ali1234> Gadgetoid: i don't know but i know how you could find it
[22:33] <Gadgetoid> ali1234: random attempts?
[22:33] <ali1234> reads, yes
[22:33] <clever> Habbie: from what ive heard, the best performance gain is from things like wayland
[22:33] <ali1234> if you read an invalid address in a peripheral region, it returns an ID for the peripheral
[22:34] <clever> Habbie: its using dispmanx to basicaly create more framebuffers, at any point on the screen
[22:34] <Habbie> clever, ah
[22:34] * djhworld (~djhworld@ Quit (Ping timeout: 255 seconds)
[22:34] <Habbie> clever, and presumably this is coming up in raspbian? or in some other image?
[22:34] <ali1234> Gadgetoid: you can use al.robotfuzz.com/~al/wizard/devmem3.c to read from /dev/mem
[22:34] <clever> Habbie: each window would have its own dedicated buffer, of the correct width
[22:34] <Habbie> hmm, numpad doesnt work
[22:34] <Gadgetoid> ali1234: basically trying to get this running on Pi 2: https://github.com/pimoroni/UnicornHat/blob/master/python/ws2812/lib/ws2812-RPi.c
[22:34] <clever> so you can memcpy without having to care for stride
[22:34] <clever> Habbie: it also composites windows together instantly, no need for xorg to copy 5 different windows into a single fb0
[22:35] <Habbie> clever, nice
[22:35] <Gadgetoid> Map... EVERYTHING!
[22:35] <Habbie> clever, when do we get this? ;)
[22:35] <ali1234> Gadgetoid: for example: sudo ./devmem3 0x20200000 0xfff | hexdump -C
[22:35] * BluRaf (~BluRaf@093105018083.lowicz.vectranet.pl) Quit (Quit: See ya!)
[22:35] <clever> Habbie: its already out, but i dont think it uses the xorg protocol
[22:35] <Habbie> ah yes
[22:35] <clever> Habbie: so you have to rewrite the gui clients
[22:35] <Habbie> that would be a problem
[22:35] <ali1234> Gadgetoid: what's the gpio address in pi 1?
[22:35] <Habbie> bah, google play music complains about outdated flash - any hints?
[22:35] <clever> Habbie: omxplayer and raspistill also use dispmanx for their output
[22:35] <clever> bypass the gui apps entirely
[22:36] <Habbie> nea
[22:36] <Habbie> t
[22:36] <clever> it behaves in a similar way to XV on x86 machines
[22:36] <clever> but you have more layers
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[22:36] <Gadgetoid> ali1234: base offset in Pi 1 is 0x20200000 and Pi 2 is 0x3F200000 I believe
[22:36] <ali1234> thought so
[22:37] <traeak> woudl sdl2 need a patch to back end into it this way as well?
[22:37] <clever> Gadgetoid: thats the gpio location, not the base
[22:37] <ali1234> Gadgetoid: when i run that command i gave above on rpi 1 i get this: http://paste.debian.net/144348/
[22:37] <Gadgetoid> Currently looking for the FIFO at 0x7e20c018 assuming I have any idea what I'm talking about
[22:37] <ali1234> Gadgetoid: notice how it says "oipg" or gpio backwards
[22:38] <Gadgetoid> Haha, that's... subtle :D
[22:38] <Aldem> Raspeberry + Battery + LCD Touch screen = Portable music player ? ^^
[22:38] <ali1234> all the peripherals do this
[22:38] <Gadgetoid> Oooooh
[22:38] <ali1234> pixel valve has "vxip" etc
[22:38] <clever> ali1234: ah, neat
[22:38] <clever> i should check the SMI to confirm i'm in the right area
[22:38] <ozzzy> well... My Pi2s shipped
[22:38] <ali1234> the codes are actually documented for PI 1
[22:39] <ali1234> eg https://github.com/msperl/rpi-registers/blob/master/md/Region_PIXELVALVE2.md
[22:39] <clever> ali1234: i think its backwards because your using the wrong byte order though
[22:39] <clever> ali1234: if you treat it as a char[4], it will come out correctly
[22:39] <ali1234> clever: yes
[22:39] <clever> but an uint32 prints it in hex backwards
[22:39] <ali1234> indeed
[22:39] <Habbie> chromium is rendering diagonally
[22:39] <Habbie> oh, a resize helped
[22:39] <clever> i'll have to use that on my pi to verify the SMI is right
[22:40] <Gadgetoid> Ha, read past the end of the memory and kablooied my Pi or something :D
[22:40] <Gadgetoid> That is a technical term... right
[22:40] <ali1234> yeah be careful, you are reading physical memory
[22:40] <Habbie> Gadgetoid, it absolutely is ;)
[22:40] <ali1234> also don't read more than 0xfff bytes at once
[22:40] <clever> ali1234: i already wrote data to this area
[22:41] <clever> it didnt do anything
[22:41] <Gadgetoid> ali1234: the first thing I did was change that to 0xffff because I'm a menace to society
[22:41] <ali1234> hah. well it shouldn't normally hurt anything
[22:41] <clever> ali1234: nada, let me try hex
[22:41] <ali1234> but the output might be wrong if you do
[22:42] <ali1234> 0x1000 is a 4096 byte page
[22:42] * teepee_ (~teepee@gateway/tor-sasl/teepee) has joined #raspberrypi
[22:42] <ali1234> i think i have a fence post error in the code
[22:42] * teepee (~teepee@gateway/tor-sasl/teepee) Quit (Ping timeout: 250 seconds)
[22:42] * teepee_ is now known as teepee
[22:42] <ali1234> and reading more than one page also seems broken
[22:42] * veonik_ is now known as veonik
[22:44] <clever> ali1234: http://pastebin.com/v6djCdix i must be doing something wrong
[22:44] <ali1234> oh yeah, as i was saying - https://github.com/msperl/rpi-registers/blob/master/md/Region_PIXELVALVE2.md - id 0x70697876 is "pixv" as a 32bit int
[22:45] <ali1234> clever: i dunno what you expect that to do?
[22:45] * Moshin (~bangboom@ Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
[22:45] <clever> ali1234: its should be the SMI interface, so i was expecting some ascii like smi
[22:45] <ali1234> remember the ID only shows up in invalid, undefined registers within the peripheral range
[22:45] <clever> #define SMI_BASE (BCM2708_PERI_BASE + 0x600000) /* GPIO controller */
[22:45] <clever> reading from this addr
[22:46] <ali1234> that is a valid register
[22:46] <ali1234> so you get the value of that register
[22:46] * freebeer (~freebeer@gateway/tor-sasl/freebeer) Quit (Ping timeout: 250 seconds)
[22:46] <ali1234> try SMI_BASE+0x44
[22:46] <ali1234> nothing is defined there
[22:47] * freebeer (~freebeer@gateway/tor-sasl/freebeer) has joined #raspberrypi
[22:47] <clever> ah yeah
[22:47] <ali1234> http://paste.debian.net/144349/
[22:47] <ali1234> smi_
[22:47] <clever> i see, every single invalid register has it
[22:47] <ali1234> exactly
[22:47] <clever> a default for unhandled addresses
[22:47] <ali1234> it's like the default value if nothing is wired up, or the register is write-only
[22:47] * Fishy__ (~fishy@pool-108-3-182-143.bltmmd.fios.verizon.net) has joined #raspberrypi
[22:47] <clever> yeah
[22:47] <clever> ive done fpga, and undefined signals can wreak havoc
[22:48] <Habbie> does anybody know how to make the numpad work?
[22:49] <clever> ali1234: ah, theres my problem, smi isnt 8bit wide
[22:49] <clever> so [0x44] isnt byte 0x44
[22:49] <ali1234> oh?
[22:50] <ali1234> it looks like it is in my dump
[22:50] <clever> yours is right
[22:50] <clever> my code is wrong
[22:50] <ali1234> i've seen hardware like that before though
[22:51] <ali1234> reading an int from 0x0 would give different values that reading 4 chars from 0x0, 1, 2, 3
[22:51] <ali1234> specifically the omap730 rtc does this
[22:51] <ali1234> i don't remember the details though
[22:51] <clever> works now, i get _ims
[22:51] <clever> so the smi is powered on
[22:51] * djhworld (~djhworld@ has joined #raspberrypi
[22:51] <clever> and i have the right addr
[22:51] <ali1234> what makes you say that?
[22:52] * Fishy__ (~fishy@pool-108-3-182-143.bltmmd.fios.verizon.net) Quit (Ping timeout: 252 seconds)
[22:52] <ali1234> cos you turned it on?
[22:52] <clever> it must already be on
[22:52] <ali1234> why?
[22:52] <clever> i remember v3d returning invalid data when it was off
[22:52] <clever> all reads returned the same value
[22:52] <ali1234> hmm
[22:52] <Gadgetoid> Right, I think I've caused enough kernel panics for one night :D
[22:52] <clever> the entire module was off and disconnected from the addr/data bus
[22:52] <clever> the fact that i get _ims means its enabled
[22:53] <ali1234> hmm... if you say so :)
[22:54] * cceleri (~cceleri@cpe-74-76-221-16.nycap.res.rr.com) Quit (Remote host closed the connection)
[22:54] <clever> ali1234: how did you do that dump?, dd and hexdump?
[22:54] <ali1234> sudo dm3 0x20600000 0xfff | hexdump -C
[22:54] <ali1234> dm3 = devmem3.c
[22:54] <clever> ah
[22:54] <clever> dont have that feature in my copy
[22:55] <ali1234> uh... you do if you downloaded it from my website
[22:55] <ali1234> you might be using the other tool called devmem3 which is totally different
[22:55] <ali1234> we both forked from devmem2
[22:56] <ali1234> or... the other one might be a rewrite actually
[22:56] <Habbie> confusing :)
[22:56] * speeddragon (~speeddrag@gateway/tor-sasl/speeddragon) has joined #raspberrypi
[22:56] <pwillard> Pi 2 is nice... wheee
[22:56] <ali1234> yeah, the other devmem3 didn't exist when i made mine
[22:56] <Habbie> pwillard, it sure is!
[22:57] <pwillard> I'm particularly liking fast windows gui
[22:59] * user1138 (~user1138@unaffiliated/user1138) has joined #raspberrypi
[23:00] <clever> ali1234: i took the composite out of my cable box, fed it back into the tv
[23:00] <clever> and it has closed captioning
[23:00] <clever> so thats what the data i saw was
[23:00] <clever> but its likely a totally diff protocol
[23:00] <ali1234> ah... in the US there is a special protocol just for that, it's quite low bit rate
[23:00] <ali1234> in UK/EU subtitles are done as part of teletext
[23:00] <clever> that would explain why i never saw 2000 page stuff here
[23:00] <clever> and why its only 1 scan-line
[23:01] <ali1234> yeah
[23:01] <Cirrus_Minor> tmux select-window -t 1
[23:01] * [sk]Ray (~quassel@71-95-197-158.static.mtpk.ca.charter.com) Quit (Read error: Connection reset by peer)
[23:01] <clever> ali1234: so somebody will have to write a different program for the ntsc cc
[23:01] <ali1234> well, it will certainly need many tweaks
[23:02] <clever> yeah
[23:02] <clever> first step is finding the right protocol
[23:02] <ali1234> i'm piping the data on stdin so i can put the encoding logic into another program and just deal with rendering a bitstream
[23:02] <ali1234> so the actual business end could be mostly the same, just different timings
[23:02] <clever> and grey levels
[23:02] <clever> my signal has a perfect 0.5mhz sine wave
[23:03] <clever> so its encoding a sine wave into grey levels, black to white
[23:03] <ali1234> yeah i probably won't support that
[23:03] <ali1234> but with 8BPP textures it would be possible
[23:03] <clever> the clock run-in can be hard coded into your encoder app
[23:03] <clever> and just pass -pal or -ntsc
[23:03] <clever> then skip that on the packets
[23:04] * spudtatoe (~spudtatoe@115-188-122-207.jetstream.xtra.co.nz) has joined #raspberrypi
[23:04] * pwillard (~pwillard@c-73-184-136-133.hsd1.ga.comcast.net) Quit (Quit: Leaving)
[23:04] * denete_ (~denete@ has joined #raspberrypi
[23:05] <clever> ali1234: have you checked vsync yet?
[23:06] <ali1234> not yet
[23:06] * Sir_Pony (~rawr@cpe-174-099-005-078.nc.res.rr.com) Quit (Read error: Connection reset by peer)
[23:06] <ali1234> still implementing the fifo
[23:06] <clever> i also had another idea for vsync
[23:06] <clever> flip a gpio every time vsync happens
[23:06] <clever> i can then put the scope on composite and gpio, and compare
[23:06] <spudtatoe> How do you setup nas on openelec?
[23:08] <ali1234> clever: actually i could just wire up an lm1881 to my pi and read from it's field output
[23:08] * denete_ (~denete@ Quit (Ping timeout: 245 seconds)
[23:08] * skylite (~skylite@5401B00C.dsl.pool.telekom.hu) has joined #raspberrypi
[23:08] <ali1234> well i could if it wasn't a 5v part
[23:08] <clever> ali1234: that may not give you the scanline details
[23:08] <ali1234> don't need them
[23:08] <clever> where in the field it fires
[23:09] * veonik is now known as veonik_
[23:09] <clever> depending on where it fires, you may not have enough time to process
[23:09] <ali1234> it has a line that goes high during one field and low during the other
[23:10] <clever> hmmm, let me whip up an example
[23:12] <ali1234> for extra complication, NTSC is even field first, and PAL is odd field first :)
[23:13] * utack (~utack@ip9234cb8c.dynamic.kabel-deutschland.de) has joined #raspberrypi
[23:14] <ali1234> http://paste.ubuntu.com/10075529/ <- PAL has the even field in the _EVEN registers
[23:14] <ali1234> and NTSC has the ODD field in the EVEN registers :)
[23:14] <clever> lol
[23:15] <ali1234> so really those registers must mean first and second field
[23:15] <ali1234> bad naming \o/
[23:16] <ali1234> and presumably for progressive scan the _EVEN registers are not used at all
[23:18] * GerhardSchr (~GerhardSc@unaffiliated/gerhardschr) Quit (Remote host closed the connection)
[23:19] * Armand (~armand@2a01:9cc0:40:6:9d49:4f37:88d6:ac90) Quit (Quit: Leaving)
[23:19] <clever> ok, i now have vsync pulses on the scope
[23:20] <clever> thats very very weird
[23:21] <clever> ali1234: http://pastebin.com/iQj7jZqC
[23:21] <clever> i'm getting a series of pulses, about 2khz apart, in bursts
[23:21] <ali1234> fsync?
[23:21] <clever> fclose syncs
[23:21] <ali1234> are you sure about that?
[23:22] <clever> yes
[23:22] <clever> each burst of pulses is at 60hz intervals
[23:22] <ali1234> that's just odd...
[23:22] <clever> it appears to be running the callback ~7 times for every frame
[23:23] <ali1234> lol
[23:23] <clever> field actualy
[23:23] <ali1234> yeah 60Hz would be fields
[23:23] <ali1234> which sucks
[23:23] <clever> http://pastebin.com/a9aUDpmK
[23:24] <clever> what fopen/fwrite do behind the scenes
[23:24] * Kealper (~Kealper@asgard.kealper.com) has joined #raspberrypi
[23:24] <clever> its just a wrapper around the c api, with some buffering
[23:24] <Bozza> can the RPI decrypt encrypted DVB through the GPU?
[23:24] <Bozza> or is it CPU only?
[23:24] <clever> Bozza: i suspect the cpu would be plenty powerfull
[23:24] * cceleri (~cceleri@cpe-74-76-221-16.nycap.res.rr.com) has joined #raspberrypi
[23:24] <clever> if i had the keys, i could decrypt my own DVB and replace the crappy cable boxes
[23:25] <Bozza> are you based in the us?
[23:25] <Bozza> in europe we use smart cards
[23:25] <clever> canada
[23:25] <clever> already ripped my box open, no cards
[23:25] <clever> i suspect its software based
[23:25] <Bozza> yea
[23:25] <Bozza> sounds like it
[23:26] <clever> its windows CE based as well
[23:26] <Bozza> any serial ports on your box you can use to connect to the pc?
[23:26] <Bozza> oh wow
[23:26] <Bozza> that is kind of strange
[23:26] <clever> i can see the bootloader messages on the serial port
[23:26] <Kealper> you'd be surprised how many things actually run WinCE lol
[23:26] <acidjazz> wheres my pi 2
[23:26] <acidjazz> shipshipshpiship
[23:26] <acidjazz> cmoooon SHIP
[23:27] <Bozza> probably why my toaster keeps turning itself off
[23:27] <Bozza> clever what make is the box?
[23:27] <Kealper> Bozza: Toast.exe has encountered a problem and needs to close.
[23:27] <Bozza> haha ea
[23:27] <Bozza> yea
[23:27] <clever> Bozza: motorola
[23:28] <clever> Bozza: http://pastebin.com/djdthTFX my notes on the serial port
[23:28] <Kealper> i've actually had my GPS' navigation software crash on me before, showing a nice Windows Classic themed error box
[23:28] <ali1234> clever there is actually a way to mitigate the effect of not knowing which field is which, it's called double weave
[23:28] <ali1234> and it relies on vsync per field too
[23:28] <ali1234> so i'll just do that
[23:29] <Bozza> lol WinCE .. that is quite funny clever
[23:29] <Bozza> oh wow Kealper
[23:29] <Bozza> haha
[23:29] <clever> ali1234: one sec
[23:29] <Kealper> i might still have the picture i took of it lol
[23:30] <clever> ali1234: the first vsync callback is about 10 scanlines before the actual v-sync
[23:30] <clever> possibly after the final dispmanx buffer line
[23:31] * [sk]Ray (~quassel@71-95-197-158.static.mtpk.ca.charter.com) has joined #raspberrypi
[23:31] <ali1234> probably, you want to get it as soon as the buffer is free
[23:31] <Kealper> oh man that has all the grainy-image but http://i.imgur.com/Q53e1sB.jpg
[23:31] <clever> ali1234: so this gives you a narrow window within the v-sync area to do the update
[23:31] <clever> clearly meant for element changing, not drawing
[23:31] * SlackMaster (~SlackMast@pool-96-226-76-62.dllstx.fios.verizon.net) Quit (Quit: My Mac has gone to sleep. ZZZzzz…)
[23:31] <ali1234> nah, i have the whole field, double buffering :)
[23:32] * cceleri (~cceleri@cpe-74-76-221-16.nycap.res.rr.com) Quit (Remote host closed the connection)
[23:32] <clever> let me try changing the vsync callback
[23:32] <ali1234> for the element flip, sure
[23:32] * cceleri (~cceleri@cpe-74-76-221-16.nycap.res.rr.com) has joined #raspberrypi
[23:32] <clever> nope
[23:32] <ali1234> i can just stuff in 16 lines and double the height
[23:32] <Bozza> clever: have you looked through microsofts winCE documentation?
[23:32] <Bozza> https://msdn.microsoft.com/en-us/library/aa450604.aspx
[23:32] <clever> Bozza: not yet
[23:32] <ali1234> doesn't actually matter which field it goes out on
[23:33] <ali1234> cos next field i will update it
[23:33] * abnormal (~abnormal@ip-64-134-71-183.public.wayport.net) Quit (Quit: Leaving)
[23:33] <clever> Bozza: there is code signing active on the system
[23:33] <clever> Bozza: the main file has sha1 hash of everything, and itself is signed with something else
[23:34] <Bozza> oh wow
[23:34] <Bozza> so you already made a dump?
[23:34] <clever> it has a sata hdd for the DVR recordings
[23:34] <clever> i just yanked it out :P
[23:34] <Bozza> fair enough
[23:34] <clever> but there is another model that has no hdd
[23:34] <Bozza> the hdd will probably not contain the soft cam
[23:34] <clever> it downloads the entire os over bare http, every time it boots
[23:34] * genbattle (~genbattle@122-59-87-87.jetstream.xtra.co.nz) has joined #raspberrypi
[23:35] <Bozza> is the OS also encrypted while it downloads?
[23:35] <clever> every single bare http call is a blob of base64 text
[23:35] <clever> with no-once and signature base64 blobs in the http headers
[23:35] <clever> they invented their own crypto...
[23:36] <clever> the only thing i can see is the method names in the http path
[23:37] * spudtatoe (~spudtatoe@115-188-122-207.jetstream.xtra.co.nz) Quit (Ping timeout: 252 seconds)
[23:37] <clever> Bozza: i have seen some research papers, known plaintext rainbow table hacks on DVB crypto
[23:37] <clever> the smartcard is fed an encrypted stream with a custom protocol, it then gives out a short (24bit?) key that changes often
[23:37] <clever> that 24bit key gives a bitstream for xor and decrypt
[23:38] <ali1234> clever: what's the prototype for the vsync callback?
[23:38] <clever> void vsync(DISPMANX_UPDATE_HANDLE_T u, void* arg) {
[23:38] <ali1234> cheers
[23:38] <Bozza> sounds like you really know a lot about this topic
[23:38] <clever> Bozza: because of how h264 works, there will often be pure null packets
[23:39] * spudtatoe (~spudtatoe@115-188-122-207.jetstream.xtra.co.nz) has joined #raspberrypi
[23:39] <Bozza> dvb is mpeg2?
[23:39] <clever> due to the xor, those all have the same ciphertext
[23:39] <clever> dvb can be anything
[23:39] <ali1234> can be yeah
[23:39] <clever> its just a container, like mkv
[23:39] <ali1234> it's mpeg-ts
[23:39] <clever> find 2 packets with the same ciphertext, and you can assume its pure null
[23:39] <clever> lookup its key in a rainbow table (which takes months to generate, and hours to scan)
[23:39] <Bozza> yea true. it is mpeg-ts
[23:39] <clever> and you get the key for that chunk
[23:40] <clever> in theory, it works
[23:40] <clever> but in practice, it aint gonna give you live :P
[23:40] <Bozza> from what i know is that the smart card or the soft cam (in your case)
[23:40] <Bozza> contains a key
[23:40] <Bozza> which doesn't change very often
[23:41] <Bozza> from this key more keys are generated that change by the second
[23:41] <clever> mpeg-ts is a container to send multiple streams, in my case, audio+audio+video+????
[23:41] <clever> that ???? is fed into the smartcard, which then does whatever it wants
[23:41] <clever> possibly including remote firmware updates
[23:41] <clever> and it will spit out a 24bit key every now and then
[23:42] <clever> every vendor is free to format ???? their own way, and to use their own encryption scheme
[23:42] <Bozza> yep
[23:42] <clever> ive heard stories of sat vendors shipping a multi-part virus over several weeks
[23:43] <clever> and then sending the activate code
[23:43] <clever> and the startcard runs the code, assembles the whole thing, and bricks the fake cards
[23:43] <Bozza> oh wow
[23:43] <clever> so the hackers dont know what it is, until it assembles itself
[23:43] <clever> and by then, its too late
[23:43] <Bozza> that is really clever
[23:44] <Bozza> maybe they just update the legit cards to close a glitch
[23:44] <Bozza> leaving all the hacked cards in the dark
[23:44] <clever> i seem to remember them bricking the fake cards, making them useless
[23:44] <Bozza> it is interesting because the hacked cards don't usually contain clones of the crypt itself
[23:44] <clever> so the hackers would have to buy new ones, re-crack it, and re-flash all of them
[23:44] <clever> and ship them out again
[23:45] <Bozza> quite possibly
[23:45] <Bozza> many different sat providers
[23:45] <Bozza> what is interesting is that the fake cards don't clone the crypt
[23:45] <Bozza> they just contain the key
[23:45] <Bozza> (not in all cases ofc)
[23:45] <Bozza> i am sure there are cards where the crypt has been hacked and cloned
[23:46] <clever> the design allows a full micro-controller in the card
[23:46] <clever> and remote firmware updates
[23:46] <Bozza> yea
[23:46] <Bozza> yep
[23:46] <Bozza> the crypt in the micro controller works out the keys from the master key
[23:46] <clever> yeah
[23:47] <clever> its also possible that there are 20 master keys
[23:47] <clever> with 20 different encrypted packets going out at regular intervals
[23:47] <clever> so only 1/20th of the customers share a key
[23:47] <Bozza> if you have access to the keys you can just send them to your RPI without worrying to much about the crypt
[23:48] <clever> if you had those master keys, you would still have to decrypt the ???? part to get the real key
[23:48] <clever> then you can decrypt the audio/video tracks and fire them at omxplayer
[23:48] <Bozza> yea in that case you would have to worry
[23:49] * manitou (~manitou@unaffiliated/manitou) Quit (Quit: Konversation terminated!)
[23:49] <Bozza> i can give it a go with my raspberry pi
[23:49] <clever> ali1234: https://www.dropbox.com/s/d4na2naqjlidrzm/20150206_184717.jpg?dl=0
[23:49] <Bozza> with smart cards it is easy to share the keys
[23:49] * spudtatoe (~spudtatoe@115-188-122-207.jetstream.xtra.co.nz) Quit (Read error: No route to host)
[23:49] <clever> ali1234: the actual v-sync is the dip above DET in peakdet
[23:50] <Bozza> i wondered if the CPU in the pi was powerful enough to do this.
[23:50] <Bozza> i read the broadcom made the PI gpu open source?
[23:50] <clever> Bozza: xor on the h264 is cheap, not much more then loading it from disk
[23:50] <Bozza> cool
[23:50] <Bozza> xor on mpeg 2 also?
[23:50] <clever> Bozza: only the 3d core, which has tons of buffering and is overkill for this
[23:50] * taza (~taza@unaffiliated/taza) Quit ()
[23:50] <Bozza> fair enough
[23:50] <clever> i believe mpeg-ts uses xor to protect everything
[23:51] <Bozza> cool
[23:51] * Trice (~Greg@host-2-97-211-237.as13285.net) has joined #raspberrypi
[23:51] * spudtatoe (~spudtatoe@115-188-122-207.jetstream.xtra.co.nz) has joined #raspberrypi
[23:51] <clever> Bozza: http://pastebin.com/CbTRTuVy
[23:51] <clever> a dump of my mpeg-ts
[23:52] <Bozza> nice
[23:52] * netzfisch (~Thunderbi@e176098248.adsl.alicedsl.de) Quit (Quit: netzfisch)
[23:52] <clever> pid 22 is h264 video, 20 is ac3 audio, 21 is mp3 audio i believe
[23:52] <clever> all 3 are encrypted with a key found in ???? which is located in pid 0x1fe0
[23:52] <clever> so 0x1feo gets routed to the softcam, which spits out the real key
[23:52] <Bozza> if you could somehow figure out how to back up your box
[23:53] <clever> then that real key decrypts those 3 streams
[23:53] <Bozza> to dump and re write your firmware
[23:53] <clever> it appears to re-download the firmware on every bootup
[23:53] <clever> i'm guessing the bootloader has keys for decrypting that
[23:53] <Bozza> ahh yes you are absolutely right
[23:53] <Bozza> 0x1feo
[23:54] <clever> mpegts also has support for wrapping multiple channels on a single transport stream
[23:54] <clever> so you could have 8 audio and 8 video, plus 8 crypto streams
[23:54] <Bozza> you would want to get a dump of the boot loaders and partitioning at least
[23:54] <clever> then run that bootloader under an ARM virtual machine
[23:54] <Bozza> if you were to try and change anything inside your box
[23:54] <clever> and dump the post-decryption version
[23:54] <Bozza> or that !
[23:55] <Bozza> is your broadcom chip ARM or MIPS?
[23:55] <clever> i see BCM97405B1_B2 in the bootloader output
[23:55] <clever> and BRCM74050011
[23:55] * t0x0sh (~tosh@t0x0sh.org) Quit (Ping timeout: 264 seconds)
[23:58] <clever> Bozza: in my case, the mpegts isnt coming in over cable or sat
[23:58] <clever> its coming in over ethernet
[23:58] <Bozza> wow that is interesting
[23:58] <clever> the pi can capture it without any hardware
[23:59] <Bozza> here is a data sheet about your box http://www.dssz.com/userinfo/5354-2255750.html
[23:59] <clever> the first layer is multicast, which helps them save bandwidth
[23:59] <Bozza> hold on
[23:59] <Bozza> it isn't downloading
[23:59] <clever> you join a multicast group, and it will subscribe to it on the routers/switches

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