#raspberrypi IRC Log


IRC Log for 2015-03-07

Timestamps are in GMT/BST.

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[13:50] * RaspberryPiBot (~raspberry@unaffiliated/datagutt/bot/databot) has joined #raspberrypi
[13:50] * Topic is 'Unofficial RaspberryPi IRC channel but "Blessed" by the Foundation as the ONE channel. Logs @ http://srv.datagutt1.com <> Channel Rules as of 6 May '14: http://tiny.cc/h7za1w <> Getting help on IRC: http://tiny.cc/p9za1w'
[13:50] * Set by ShorTie!~Idiot@unaffiliated/shortie on Thu Jan 29 11:49:50 CET 2015
[13:50] <DoctorD90> ground chip to ground rpi
[13:51] <DoctorD90> ah! 3-4chip pin to 3.3 rpi pin with a resistor 10k
[13:51] <Hix_> what is the MAX current draw of a Pi 2 Mofel B on boot please? Got an ST LM7805 powering it using PoE but it seems to drop to 4.89V through the boot sequence. Datasheet states that short circuit current is typ 0.75A
[13:51] <Hix_> Vin of 7805 is 19V so I very much doubt it’s that
[13:51] * ssvb (~ssvb@85-76-169-253-nat.elisa-mobile.fi) has joined #raspberrypi
[13:52] <DoctorD90> no tehy remain: vdd(5v...form rpi or out soorce?), and oscillator in/out pins
[13:52] * Encrypt (~Chuck-nor@AMontsouris-553-1-23-215.w92-151.abo.wanadoo.fr) has joined #raspberrypi
[13:52] <DoctorD90> now they*
[13:52] <ShorTie> that is alot of voltage to drop on that lm7805, hope you have a heat sink on it
[13:52] <ppq> digitsm, no english version, it seems. ok, that might be a problem... also, the only accepted payment method seems to be bank transfer, which is complicated from outside the EU
[13:53] * OffensiveUser (~Offensive@s5144500c.adsl.online.nl) Quit (Ping timeout: 250 seconds)
[13:53] <digitsm> ppq: :))
[13:53] * tristan_c (~tristan_c@ Quit (Ping timeout: 265 seconds)
[13:54] <Hix_> ShorTie: it’s surprisingly not all that warm
[13:55] <pksato> linear vreg on PoE system? waste energy on wires and on vreg. Use LM2696 or similar.
[13:57] <Hix_> running with what I’ve got to hand for now. Interestingly is I use a 16V 3A supply after Cat5 cable its only registering 0.17V
[13:57] <Hix_> s/is/if
[13:58] <ozzzy> hehe... check your connections
[13:58] <Hix_> I have, this happens with 2 different power supplies. The 19V supply is fine though
[13:59] * pixelfilth (~pixelfilt@host-17-94-2-96.midco.net) Quit (Quit: brb)
[13:59] <ozzzy> how long a wire
[13:59] <Hix_> 30m
[14:01] * cgj (~cgj@187-166-190-90.dyn.estpak.ee) Quit (Quit: leaving)
[14:04] <ozzzy> yep... sounds like voltage drop has taken it's toll
[14:05] * cgj (~cgj@187-166-190-90.dyn.estpak.ee) has joined #raspberrypi
[14:06] <Hix_> would have thought 16V would have been ok with that run. strange how 3V makes such a mahosive difference
[14:06] <ShorTie> Hix_, might find this of interest http://www.calculator.net/voltage-drop-calculator.html
[14:06] <ozzzy> the network cable is probably using 28AWG wire
[14:07] * doomlord_1 (~textual@host86-148-72-94.range86-148.btcentralplus.com) Quit (Read error: Connection reset by peer)
[14:07] <ozzzy> at 1 amp over 30m you're dropping 12.77V
[14:08] <Hix_> even with 28AWG it should still give 3.2V
[14:08] <Hix_> not 0.16V
[14:08] <ozzzy> nothing's perfect
[14:08] * dividuum (~dividuum@unaffiliated/dividuum) has joined #raspberrypi
[14:08] <Hix_> nothing’s working ;)
[14:08] <ozzzy> get some real wire
[14:09] <ozzzy> we run 8AWG stranded to run 12V 6m
[14:09] <Hix_> I’m trying to do PoE as it’s a nestbox camera so I want the hardwires network connection to enable streaming
[14:10] <Hix_> and rapidly running out of time as nesting season appears to be earlier this year
[14:11] <pksato> unsing pairs 4,5 and 7,8?
[14:11] <Hix_> so strange how 20.1 drops to 19.35 over the same run of CAT5
[14:11] * CrazyEddy (crazyed@wrongplanet/CrazyEddy) Quit (Ping timeout: 252 seconds)
[14:12] * almarshall (~alexmarsh@pool-108-56-199-251.washdc.fios.verizon.net) Quit (Quit: almarshall)
[14:13] <pksato> http://www.netkrom.com/legado/voltage_loss_over_cat5_calculator.php?re2=cal&item=resources
[14:13] <Hix_> pksato: just ran continuity check. yep 4/5 7/8
[14:14] * [SLB] (~slabua@unaffiliated/slabua) Quit (Ping timeout: 246 seconds)
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[14:15] <pksato> and cable is hot?
[14:15] <Hix_> according to that link the required Vin over 150 feet is 6.5V
[14:15] <Hix_> no, not even warm
[14:16] <pksato> LM78XX need +2 to work propper, 5V need 7V.
[14:17] <Hix_> sure. psu is either 16V 4A or 20V 1A. The 16 drops to 0.16 and the 20 to 19.35
[14:17] * giddles (~i@unaffiliated/giddles) has joined #raspberrypi
[14:17] <pksato> switch mode regulator is better for this use. can buy mounted modules on ebay.
[14:17] <giddles> hey ho
[14:17] <giddles> any pi went here from someone up in smoke? ;) im a little bit scared about some fire
[14:18] <Hix_> but when the pi boots over the 20V the LM7805 seems to drop to 4.89 momentarily. Was trying to get sorted this weekend, as time is fast runnig out
[14:18] <pksato> PSU 16V --> cable -> 0.16V (device)?
[14:18] * Mikelevel (~MoVeWoRk@unaffiliated/mikelevel) has joined #raspberrypi
[14:18] <Hix_> yes pksato I know the psu is good as I use it to charge 5000mAh LiPo packs
[14:19] <Hix_> and they are drawing a pretty hefty load
[14:19] <clever> induction can make a long cable resist sudden changes in current
[14:21] <clever> so you may want to add some extra large filter caps, on both sides of the regulator
[14:21] <Hix_> hmm that explains the 20V dropping the vout to 4.89, but not the 16V dropping the Vin to 0.16
[14:21] <pksato> If have >7V on LM7805 input, and input and output pins have propper decopling capacitor, and have onlu RPi to power (no usb devices), I think, is ok.
[14:22] <giddles> hmhmhm... is a glazed tile the right subfoor for my pi's? @ afraidness of fire
[14:22] <ozzzy> you're afraid of a pi starting a fire?
[14:22] <pksato> and LM7805 is the original version.
[14:22] <giddles> right ozzzy
[14:22] <ozzzy> hmmm
[14:22] <giddles> ill use it as suvelliance camera system
[14:23] <Hix_> pksato: are you asking or stating?
[14:23] <giddles> sometimes it is off ;) sometimes it must work 3 weeks a row ;)
[14:23] <pksato> not a counterfeit. not a some other vreg project marked as LM7805.
[14:23] <giddles> cant sleep very well with knowlegend of a electric fire could start and im not at home
[14:23] <ozzzy> I suppose anything is possible... but it would be pretty hard to start a fire with a pi
[14:23] <giddles> ok
[14:24] <giddles> thans for recommend ozzzy
[14:24] <Hix_> mine are ST micro 7805CV
[14:24] * zokeber (~zokeber@unaffiliated/zokeber) has joined #raspberrypi
[14:24] <ozzzy> my grandson plugged my first one into 12V and all it did was cook the processor a bit
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[14:25] <giddles> im paranoid ;) ill start to put glazed broken ties under the powersupply and the pi itself... most of my furnishings are made of wood
[14:26] <Hix_> hmmm removed the USB WiFi adaptor, bots fine over the 20V, but then camera drops voltage and crashes pi
[14:26] <Hix_> seems it cant keep up with current demand over that run
[14:27] * TheHacke166 (~TheHacker@ppp-141-36.30-151.libero.it) has joined #raspberrypi
[14:28] <clever> Hix_: add more filter caps, and if you can, raise the voltage more
[14:28] <pksato> I not like these new LM78xx chips, I dont know if is original, even from reputable seller.
[14:28] <clever> higher voltages mean lower currents, and the loss is based purely on current
[14:28] <clever> thats part of why UK went with 240v, so they could cheap out on copper :P
[14:28] * day (~yashi@unaffiliated/day) Quit (Ping timeout: 246 seconds)
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[14:29] <clever> half the current, half the copper!, (and double the insulation, which is cheaper)
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[14:30] <Hix_> just found an NCP5662DS33 ldo might give that a try. it’s good for 2A. Only problem is datasheet calls for 150uF filtering and I only have 10uF through holes to hand
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[14:31] <clever> sounds like you dont have near enough decoupling caps
[14:31] <MY123> clever, the caps are always sub-dimensionned
[14:33] <Hix_> reckon 10uF would be up to the task for the 7805?
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[14:36] <pksato> 78xx need a 330nF near input/gnd pins and a 100nF near output/gnd pins. And other uF range capacitor.
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[15:13] <Tenkawa> hi all
[15:16] * Bilby (~bgates@cpe-174-101-47-55.columbus.res.rr.com) has joined #raspberrypi
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[15:21] <Tenkawa> anyone started to work with 4.0-rc on the rpi/rpi2 yet?
[15:21] <Hix_> I just wired up another PSU. It’s a 170W lenovo 20V PSU. Voltage at the other end was 0.34V If you use a chinese <1A powerblock the drop is negligable. Must be something to do with the power and CAT5 not dealing with any serious current
[15:21] <Tenkawa> Hix_: what are you trying to do?
[15:22] <Hix_> PoE using a PSU over 30m. Crap powerpacks are fine but cannot handle the currnt draw of the pi + cam. Good PSU’s drop out to 0.34V at the other end of the CAT5
[15:23] * c00ljs (~c00ljs@ has joined #raspberrypi
[15:23] <Tenkawa> hmm
[15:23] <pksato> Hix_: broken cable/connector?
[15:23] <Tenkawa> that sounds like bad cable
[15:23] <Hix_> no 3 different psu’s now
[15:23] <Tenkawa> is the psu directly wired in?
[15:23] <pksato> if now hot, not protection activated, bad cabling.
[15:23] <Tenkawa> or anything attached in between
[15:24] <Hix_> only the cheapie one works, until you run the camera, then its bordeline power supply
[15:24] <Hix_> not hot again
[15:24] <SpeedEvil> General switched mode power supplies do not work well with high impedence inputs.
[15:24] * sivteck (~sivteck@unaffiliated/sivteck) Quit (Ping timeout: 252 seconds)
[15:25] <SpeedEvil> This is because they are bistable - that is - what happens is that a slight increase in load will cause an increase in power draw from the input.
[15:25] <SpeedEvil> This increase in current will cause a reduction in voltage, which - in order to maintain the same output power - cause an increase in input current
[15:25] * qubitnerd (~neutrino@unaffiliated/electron/x-8286743) has joined #raspberrypi
[15:25] <Hix_> 240V > Lenovo PSU > 2.5mm barrel > PoE injector > CAT5 > PoE Injector > LM7805 > Pi measuring Vin at the terminals on the LM7805
[15:25] <SpeedEvil> this continues until Vin = voltage dropout voltage
[15:26] <SpeedEvil> In some cases, this happens on startup - meaning it never starts up at all, but sits with the input at a volt or two
[15:27] <SpeedEvil> If there is enough wattage, then you need to enable slow-start on the PSU, and only connect the Pi when the supply voltage hits 5V
[15:27] <Hix_> hi SpeedEvil :) even with no load on the LDO the Vin is showing as ~0.34v
[15:27] <pksato> 0.34V between? Pin 1 and 2 of LM?
[15:27] <SpeedEvil> Hix_: Right - the input power converter has gone into this bistable condition
[15:27] * c00ljs (~c00ljs@ Quit (Remote host closed the connection)
[15:28] <SpeedEvil> What is the cable resistance?
[15:28] * ssvb (~ssvb@85-76-48-74-nat.elisa-mobile.fi) Quit (Ping timeout: 246 seconds)
[15:28] <Hix_> the CAT5?
[15:28] <SpeedEvil> yes
[15:28] <SpeedEvil> An is the power injector a simple connector, or does it have a boost converter in it
[15:28] <digitsm> mgottschlag, Are you sure the github education gift code for digital ocean is only for students at US, UK and EU?
[15:29] * CrazyEddy (crazyed@wrongplanet/CrazyEddy) Quit (Remote host closed the connection)
[15:29] <Hix_> SpeedEvil: injector simple connector
[15:29] <digitsm> I couldn't find a page in digital ocean website regarding this
[15:29] * Muzer (~muzer@cpc72421-sotn15-2-0-cust723.15-1.cable.virginm.net) Quit (Ping timeout: 264 seconds)
[15:30] <pksato> is not fault injector or extractor? if remove the load (LM+RPi), have PSU voltage?
[15:31] <SpeedEvil> Hix_: the capacitors on the output may be sufficient to cause it to go into this condition.
[15:31] <Hix_> seems to be 4.1 ohms
[15:31] <SpeedEvil> Oh - I misread
[15:31] <SpeedEvil> If the PoE issimply a cable, ignore all the above
[15:32] <SpeedEvil> What do you mean by 'goodpowerpacks'
[15:32] <Hix_> laptop psu’s 16V 4A and 20v 4A compared to cheapie powerbrick
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[15:33] <SpeedEvil> Are you sure the laptop PSU will actually provide significant current without feedback from the laptop
[15:33] <SpeedEvil> I know laptops are stpid this way for some newer ones, it would not surprise me it's also been integreated into the PSU
[15:33] <Tenkawa> wow ssd via usb runs like lightning on the pi2..
[15:34] * teclo- (42@unaffiliated/teclo) Quit (Quit: Lost terminal)
[15:35] <Hix_> SpeedEvil: its showing 20.3V at the 2.5mm barrel bugger all at the other end
[15:36] * nimoot (~HomoSapie@unaffiliated/toomin) Quit (Ping timeout: 252 seconds)
[15:36] <pksato> if have 0.34V on input of vreg. not have voltaged on output and not running RPi, right?
[15:36] * sivteck (~sivteck@unaffiliated/sivteck) has joined #raspberrypi
[15:37] <Hix_> yes pksato
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[15:38] <digitsm> mgottschlag, If you came back please reply me thanks
[15:40] <Hix_> seems the laptop PSUs sense when they are connected to something and cut the voltage
[15:40] <mgottschlag> digitsm: idk, try to register
[15:40] <mgottschlag> the code is universal, but digitalocean's registration form isn't iirc
[15:41] <Tenkawa> Hix_: possibly a thermal sensor
[15:41] <Tenkawa> ?
[15:41] <Hix_> doubt it. mst sense resistance or similar
[15:41] * DexterLB (~dex@79-100-7-82.btc-net.bg) Quit (Quit: So long and thanks for all the fish)
[15:42] <Tenkawa> ahh
[15:42] <Tenkawa> time to run and do some shopping.. cheers all
[15:42] * Tenkawa (~arakeen@unaffiliated/tenkawa) Quit (Quit: leaving)
[15:42] * ndrei (~avo@ Quit (Remote host closed the connection)
[15:44] * ukgamer|away is now known as ukgamer
[15:44] <SpeedEvil> Hix_: it is likely - if they are intending to be stupid in the aim of 'safety' that they will provide a few milliamps only initially.
[15:45] <Hix_> who’d have thunk I’d need to resort to a cheapo psu to get things to work….
[15:45] <SpeedEvil> This is enough to boot the embedded controller in the laptop, which can then wake up and talk to the power supply saying 'I'm a laptop' and recognising the PSU model as one that it's OK to power from.
[15:45] <SpeedEvil> Then the PSU turns on the acutal power
[15:45] * Hix_ thinks about t atrip to LIDL
[15:46] * Martin_G4FUI (~Martin_G4@mjrigby.demon.co.uk) has joined #raspberrypi
[15:46] <digitsm> mgottschlag, Hmm, I registered for GitHub education program. It automatically recognized my university from its email. But it said it will take weeks before they email me
[15:46] <SpeedEvil> They've been doing this for batteries for _ages_
[15:46] <SpeedEvil> but it's only 'recently' cautght on for power supplies.
[15:46] <SpeedEvil> I hadn't heard mention of it for power supplies in the other direction though until now
[15:47] <Hix_> the 16V psu works fine on the LiPo charger, so assume it has current sense circuitry to tell psu ok to power up
[15:47] * Muzer (~muzer@cpc72421-sotn15-2-0-cust723.15-1.cable.virginm.net) has joined #raspberrypi
[15:47] <digitsm> mgottschlag, But I still didn't try to register for digital ocean. I feared opening a new account with 10$ code, so I won't become able to enter 100$ code.
[15:47] <pksato> Hix_: or have a short-circuit.
[15:48] <digitsm> mgottschlag, I must wait to receive my github code and then try
[15:48] <Hix_> nope it’s fine with alternative psus on same circuit
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[15:50] <Hix_> strange though that dmm on end of all psus give proper voltage, it’s just when they are connected they drop to 0.34V apart from the ho-fung dodgy powerblock
[15:51] * Hix_ goes to lok at old router power supplies he may have kickiing around, they’re normally cheap crap, probably ideal if the woltage is ok
[15:51] <Hix_> or voltage :D
[15:52] <Hix_> went a bit german there
[15:58] <Hix_> going to give this a break for a while and actually take advantage of a beautiful spring day. Cheers for the help guys
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[16:16] <xreal> Do you want to know the reason, why my RPi (v1) stopped working?
[16:17] <xreal> I've got an �SD card adapter. It deformed itself caused by the heat produced by RPi and the small pins moved away from the card...
[16:18] * Froolap (~Froolap@pool-71-180-136-207.tampfl.fios.verizon.net) has joined #raspberrypi
[16:19] * ARM9 (~ARM9@46-236-101-61.customer.t3.se) Quit (Quit: Leaving)
[16:19] * digitsm (~digitsm@ Quit (Ping timeout: 256 seconds)
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[16:20] <SpeedEvil> Unlikely
[16:20] * peon (~peon@c83-252-182-253.bredband.comhem.se) Quit (Quit: Leaving)
[16:20] <SpeedEvil> More likely the heat produced by the card
[16:21] * Fishy (~fishy@pool-108-15-122-203.bltmmd.fios.verizon.net) Quit (Remote host closed the connection)
[16:22] * willmore (~willmore@c-73-168-181-40.hsd1.in.comcast.net) Quit (Read error: Connection reset by peer)
[16:22] * hadifarn_ (~hadifarno@ Quit (Ping timeout: 264 seconds)
[16:22] * willmore (~willmore@c-73-168-181-40.hsd1.in.comcast.net) has joined #raspberrypi
[16:22] <xreal> SpeedEvil: You're some thousands km away and say "unlikely"?
[16:23] <xreal> SpeedEvil: it worked for a year, when you look at the card, you see the distortion.
[16:23] <xreal> SpeedEvil: When you press in the middle of the card, everything works again.
[16:23] * tiktuk (~tiktuk@0x3ec7a14e.inet.dsl.telianet.dk) Quit (Ping timeout: 252 seconds)
[16:23] <xreal> So stop this unprofessional criticism when users give feedback.
[16:23] * peon (~peon@c83-252-182-253.bredband.comhem.se) has joined #raspberrypi
[16:23] * xreal (~xreal@unaffiliated/xreal) has left #raspberrypi
[16:23] * ppq (~ppq@unaffiliated/ppq) Quit (Remote host closed the connection)
[16:25] <giddles> hmm :)
[16:25] <Foxhoundz> RPI!
[16:25] <Foxhoundz> I figured, through the help of ##linux
[16:25] <Foxhoundz> to control the on-board LEDs
[16:25] <sydney_untangle> How can the RPI make that much heat?
[16:25] <Foxhoundz> !
[16:25] <Foxhoundz> \o/
[16:25] * Natch (~Natch@h-155-122.a444.priv.bahnhof.se) Quit (Ping timeout: 264 seconds)
[16:26] <giddles> the question is is the rpi covered by insurance if it starts a catastrophic causa
[16:32] * SpeedEvil sighs.
[16:33] <SpeedEvil> sydney_untangle: The pi - I don't think it can - certainly not in the SD area. however, microSD cards - especially at higher votlages - like the Pi supplies - at high speeds - can get really quite hot indeed
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[16:36] * ssvb (~ssvb@85-76-48-74-nat.elisa-mobile.fi) has joined #raspberrypi
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[16:38] * giddles (~i@unaffiliated/giddles) Quit (Quit: .)
[16:41] * pixelfilth (~pixelfilt@host-17-94-2-96.midco.net) has joined #raspberrypi
[16:43] <sydney_untangle> Ah.
[16:43] * fatalhalt (~fatalhalt@c-71-201-7-76.hsd1.il.comcast.net) Quit (Quit: fatal halt)
[16:44] * Natch (~Natch@h-155-122.a444.priv.bahnhof.se) has joined #raspberrypi
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[16:53] <thescatman> guys just a quick one
[16:53] * TheLostAdmin (~TheLostAd@206-248-153-228.dsl.teksavvy.com) has joined #raspberrypi
[16:53] <thescatman> If I want to edit the file splashscreen.list in the directory /etc , what's the command?
[16:54] * Saphyel (~carlos@ Quit (Ping timeout: 244 seconds)
[16:55] * qubitnerd is now known as Eru
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[16:57] <kallisti5> were the datasheets for the BCM2836 released?
[16:57] * jkridner (~jkridner@pdpc/supporter/active/jkridner) has joined #raspberrypi
[16:58] * sivteck (~sivteck@unaffiliated/sivteck) Quit (Ping timeout: 252 seconds)
[16:58] <Alina-malina> guys how many instances of FF i can open at the same time on rpi2?
[16:58] * n-st (~n-st@2001:470:7272:0:ac2b:8cd2:5ad0:66bf) Quit (Remote host closed the connection)
[16:58] <ARM9> anyone got something like this http://infocenter.arm.com/help/topic/com.arm.doc.qrc0001l/QRC0001_UAL.pdf for armv7?
[16:58] <willmore> kallisti5, no and it doesn't seem likely to ever happen.
[16:58] * Saphyel (~carlos@ has joined #raspberrypi
[16:59] <kallisti5> willmore: ... neat!
[16:59] * Eru (~neutrino@unaffiliated/electron/x-8286743) Quit (Quit: WeeChat 1.1.1)
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[17:00] <kallisti5> willmore: did the internal registers change for the BCM2836 vs the BCM2835?
[17:00] <kallisti5> aka... is gpio at the same spot on the chip
[17:00] * Happzz (void@unaffiliated/ducch) Quit (Quit: ZNC - http://znc.in)
[17:00] <willmore> kallisti5, don't know.
[17:01] <willmore> ARM9, what instructions are you missing?
[17:02] * cameronfr (~cameronfr@ Quit (Client Quit)
[17:02] <Hix_> ha! psu issue solve. Old router power supply @12V 1A working perfectly over 30m CAT5 now :)
[17:03] <kallisti5> http://git.denx.de/?p=u-boot.git;a=blob;f=arch/arm/include/asm/arch-bcm2835/mbox.h;hb=62f3aaf89d01bdc9ff0e67d92f3bf085143edf8c#l41
[17:03] <kallisti5> '
[17:03] <kallisti5> crap... things did move around
[17:03] <Hix_> Though the next hurdle is getting raspivid to stream on headless pi at startup.
[17:03] <IT_Sean> Why do you care if things moved on the chip? They are still in the same spot on the board.
[17:03] <kallisti5> IT_Sean: when you're working with something other than linux it's a pain :P
[17:04] <Hix_> have edited /etc/rc.local and added “#Stream the camera at 720p
[17:04] <Hix_> (sleep 20;su - pi -c "raspivid -o - -t 0 -n -w 1280 -h 720 | cvlc -vvv stream:///dev/stdin --sout '#rtp{sdp=rtsp://:8554/}' :demux=h264")& “
[17:04] <kallisti5> cause now I have to go back and update all of our register locations
[17:04] <Hix_> though it doesn’t seem to start
[17:04] <ARM9> willmore hah nvm it was actually the right one, good eye
[17:04] * Bozza (~Bozza@unaffiliated/bozza) Quit (Remote host closed the connection)
[17:04] <willmore> ARM9, I found one for VFP and one for plain old thumb if you want them.
[17:05] * Bozza (~Bozza@unaffiliated/bozza) has joined #raspberrypi
[17:05] <ARM9> vfp sounds good yes
[17:05] * Noldorin (~noldorin@unaffiliated/noldorin) has joined #raspberrypi
[17:05] <Hix_> added same line to bash.bashrc and that seems to run albeit with the error “su: must be run from a terminal”
[17:05] <willmore> http://infocenter.arm.com/help/topic/com.arm.doc.qrc0007e/QRC0007_VFP.pdf
[17:05] <willmore> Enjoy
[17:05] <Hix_> anyone got any bright ideas?
[17:06] <willmore> Hix_, you don't need the 'su' in rc.local
[17:06] <willmore> Also, you want to put complete paths on command names when running them as root from startup scripts.
[17:07] <willmore> ARM9, let me know if you can find one for ARMv8.
[17:07] <Hix_> so raspivid needs something adding to it?
[17:07] * chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) Quit (Quit: Ex-Chat)
[17:07] <willmore> Yeah, that and cvlc
[17:08] * chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) has joined #raspberrypi
[17:08] <willmore> Oh, you're su'ing this as 'pi', sorry, that part's okay, but it'll need a path to su
[17:08] <Hix_> do you know the default path to su, raspivid and cvlc?
[17:08] * rgl (~rgl@a95-94-80-42.cpe.netcabo.pt) has joined #raspberrypi
[17:09] <willmore> Hix_, just type "whereis clvl"
[17:09] <Hix_> is it /usr/bin or /usr/bin/local?
[17:09] <Hix_> ok cheers
[17:09] <Hix_> cool, gotit
[17:10] * sivteck (~sivteck@unaffiliated/sivteck) has joined #raspberrypi
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[17:15] * dj_pi (~dj@c-107-5-228-80.hsd1.mi.comcast.net) has joined #raspberrypi
[17:18] * XpineX (~XpineX@ Quit (Remote host closed the connection)
[17:19] <Hix_> still doesn’t seem to run on reboot. Not showing in top either
[17:20] * ubik (~ubik@unaffiliated/ubik) Quit (Remote host closed the connection)
[17:20] * nerdboy (~sarnold@gentoo/developer/nerdboy) has joined #raspberrypi
[17:20] <niston> I'm online selling a dell dual core machine w/ 4 gigs of ram. bid so far CHF 1, lol!
[17:20] * XpineX (~XpineX@ has joined #raspberrypi
[17:21] * Bozza (~Bozza@unaffiliated/bozza) Quit (Remote host closed the connection)
[17:21] <Hix_> added “(sleep 20;/bin/su - pi -c "/usr/bin/raspivid -o - -t 0 -n -w 1280 -h 720 | /usr/bin/cvlc -vvv stream:///dev/stdin --sout '#rtp{sdp=rtsp://:8554/}' :demux=h264" )&” to /etc/rc.local but still not working on reboot…..
[17:23] * sdel (~sdel@ip68-108-143-9.lv.lv.cox.net) has joined #raspberrypi
[17:25] * OffensiveUser (~Offensive@5ED3D4A2.cm-7-4d.dynamic.ziggo.nl) has joined #raspberrypi
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[17:29] * pksato (~PEBKAC@unaffiliated/pksato) Quit (Quit: Problem Exists Between Keyboard And Chair)
[17:30] * skylite (~skylite@5401C149.dsl.pool.telekom.hu) Quit (Quit: Textual IRC Client: www.textualapp.com)
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[17:33] * ponA (~Miranda@HSI-KBW-134-3-94-90.hsi14.kabel-badenwuerttemberg.de) Quit (Read error: Connection reset by peer)
[17:36] <Hix_> tried increasing sleep to 60 in case something was stopping it, but hasn’t sloved the issue
[17:40] <willmore> Hix_, have you tried the command just as root?
[17:40] * ubik (~ubik@unaffiliated/ubik) has joined #raspberrypi
[17:40] <Hix_> no, lemme give it a whirl
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[17:42] <willmore> I think you have the su wrong. I think you need the pi at the very end.
[17:43] * Tachyon` is now known as Tach[Eorzea]
[17:43] <willmore> Or not, worked fine both ways here.
[17:44] * Cirrus_Minor (~Cirrus_Mi@CAcert/Cirrus-Minor) has joined #raspberrypi
[17:44] * OffensiveUser (~Offensive@5ED3D4A2.cm-7-4d.dynamic.ziggo.nl) Quit (Ping timeout: 255 seconds)
[17:44] <Hix_> even without /bin/su - pi -c it isn’t starting automatically
[17:44] <willmore> Not the whole command as I don't have a camera.
[17:46] <Hix_> hmmm
[17:46] * danielmahon (~danielmah@108-75-123-187.lightspeed.bcvloh.sbcglobal.net) has joined #raspberrypi
[17:47] <willmore> Hix_, is the kernel module for the camera loaded at that point?
[17:48] <Hix_> after 60 seconds, I would have thought so, though I couldn’t tell you, beyond my skill level I’m afraidf
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[17:57] <Hix_> will top show if a command starts up or do i need to q and top again?
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[17:59] * Syliss (~temp@c-24-23-6-50.hsd1.ca.comcast.net) Quit (Quit: Syliss)
[18:00] <ShorTie> should show up i believe
[18:01] * doomlord_1 (~textual@host86-148-72-94.range86-148.btcentralplus.com) has joined #raspberrypi
[18:01] <Hix_> :/
[18:01] * MY123 (~MY123@unaffiliated/kill--9-1/x-8776976) has joined #raspberrypi
[18:01] * doomlord_1 (~textual@host86-148-72-94.range86-148.btcentralplus.com) Quit (Excess Flood)
[18:01] * chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) Quit (Remote host closed the connection)
[18:01] <Hix_> not happening then…
[18:02] * danielmahon (~danielmah@108-75-123-187.lightspeed.bcvloh.sbcglobal.net) Quit (Quit: Textual IRC Client: www.textualapp.com)
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[18:03] <ShorTie> what cha trying to do if i can ask ??
[18:03] * sivteck (~sivteck@unaffiliated/sivteck) Quit (Ping timeout: 256 seconds)
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[18:10] * Natch (~Natch@h-155-122.a444.priv.bahnhof.se) has joined #raspberrypi
[18:11] <Hix_> ShorTie: I’m trying to get raspivid to stream through vlc automatically at startup
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[18:15] <ShorTie> oh, does it have to be that way ??
[18:15] <ShorTie> i might suggest https://github.com/silvanmelchior/RPi_Cam_Web_Interface
[18:15] <ShorTie> if not
[18:16] * sivteck (~sivteck@unaffiliated/sivteck) has joined #raspberrypi
[18:16] * tristan_c (~tristan_c@ Quit (Remote host closed the connection)
[18:16] <Hix_> ShorTie: nice. will have a play with this. Thanks very much, not seen that before, despite trawling for days
[18:17] * mike_t (~mike@ Quit (Remote host closed the connection)
[18:17] * aaronj is now known as jonesinator
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[18:18] <ShorTie> as peeps on the forums say, it just works
[18:19] <Hix_> :D
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[18:52] <atouk> does anyone have a way to wakeup the desktop via ssl?
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[18:53] <willmore> atouk, http://xmodulo.com/simulate-key-press-mouse-movement-linux.html
[18:53] <willmore> That might work.
[18:54] * ssvb (~ssvb@85-76-48-74-nat.elisa-mobile.fi) Quit (Ping timeout: 246 seconds)
[18:54] <atouk> or even keeping it awake
[18:54] <willmore> Disable the screen saver or the console blanking.
[18:54] <willmore> xset
[18:55] <SpeedEvil> Or wake-on-lan
[18:55] <willmore> That shouldn't touch the console only the device power down state.
[18:56] <willmore> Which rpi doesn't have.
[18:56] * abnormal (~abnormal@ip-64-134-241-200.public.wayport.net) has joined #raspberrypi
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[18:57] * Hix_ (~Hix@97e05725.skybroadband.com) Quit (Quit: Hix_)
[18:57] <atouk> my googlefu pointed me to /etc/xdg/lxsession/LXDE/autostart with xset
[18:57] <atouk> i'll try that
[18:57] * foobrew (~foobrew@ip68-7-240-112.sd.sd.cox.net) has joined #raspberrypi
[18:57] <movic> hi guys
[18:58] <movic> i have prolem with " mark in /etc/wpa_supplicant/wpa_supplicant.conf
[18:58] <movic> when type it from keyboard it doesnt work, i need to copy/paste it then everything is ok
[18:59] * iamjarvo (~textual@c-69-249-187-177.hsd1.nj.comcast.net) Quit (Quit: My MacBook has gone to sleep. ZZZzzz…)
[18:59] <movic> is it some problem with encoding
[18:59] <movic> ?
[18:59] <atouk> did yo set yoru keyboard localization?
[19:00] <Aboba> Question, if I throw a voltage protection circuit (3.3v Zener) onto a GPIO with a 10k resistor, am I relatively safe from an RC car control chip?
[19:00] * CrazyEddy (crazyed@wrongplanet/CrazyEddy) Quit (Remote host closed the connection)
[19:01] <movic> atouk: in rpi config?
[19:01] * CrazyEddy (crazyed@wrongplanet/CrazyEddy) has joined #raspberrypi
[19:01] <movic> you mean, keyboard remaping thing
[19:01] <movic> ?
[19:01] <abnormal> what makes xchat multiopen?
[19:03] * sivteck (~sivteck@unaffiliated/sivteck) Quit (Ping timeout: 240 seconds)
[19:04] <atouk> raspi-config
[19:04] * ctarx (~ctarx@ has joined #raspberrypi
[19:04] <ARM9> how do I access the "bios" looking screen again after first boot?
[19:05] <atouk> raspi-config
[19:05] <ARM9> ah, that\s convenient, cheers
[19:06] * sivteck (~sivteck@unaffiliated/sivteck) has joined #raspberrypi
[19:06] * Dalboz (~DarkSide@unaffiliated/dalboz) Quit (Quit: *plop*)
[19:07] <movic> atouk: thanks man, simple things are the hardest ;0
[19:07] <movic> :)
[19:08] <atouk> did taht fix it?
[19:08] <movic> yes
[19:08] <movic> locale, etc everythign was set up but i missed that little thing in raspi-cofnig
[19:08] <movic> thanks
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[19:27] <jcutrell> Hey folks! Just wanted to come share what I did with my Pi over the last day or so.
[19:27] <abnormal> yes?
[19:27] <jcutrell> Installed Mopidy and Mopify, then managed to cobble together a little Pythonista script that will start music.
[19:27] <abnormal> and?
[19:27] * Aboba (~Bob@S010648f8b347f46d.gv.shawcable.net) Quit (Ping timeout: 245 seconds)
[19:27] <abnormal> cool
[19:28] <jcutrell> Also planning to set it up with a BLE beacon and the Beecon app to run the post request to the local server whenever I enter my home.
[19:29] <jcutrell> What’s amazing is, it took probably 10 lines of code to actually do it. I had to go through apt-get stuff (and get gcc running on the pi, etc), but overall, it’s pretty awesome how simple things like that can be.
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[19:30] <Froolap> I could never get a speaker connected to my pi.
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[19:35] <abnormal> you can, buy the add on board, the Wolfson board
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[19:41] <Froolap> i could, doesn't mean I would ever figure out how to use it.... if I can't get sound from the "audio" port
[19:41] <Froolap> or maybe I'm getting sound and not connected properly,
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[19:43] <atouk> speaker, or amplified speaker
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[20:11] <alchemistswl> Good day everyone. Have a quick quetion regarding filesystems. I have raspbmc up and running and want to connect a 500GB HDD to it, what filesystem should I format it with? NTFS causes the CPU to be on high thats why I'm asking. Thanks in advance!
[20:12] * ratapaca (~ratapaca@host-92-30-24-66.as13285.net) has joined #raspberrypi
[20:12] <jcutrell> Froolap I’m using HDMI. I’ve got my pi set up with XBMC, so it was a natural fit as a music server too.
[20:13] <jcutrell> There’s also a setting for selecting the audio out, but I don’t remember off the top of my head what it was.
[20:14] <Froolap> alchemistswl: I would use an ext2 or ext4 flavor of filesystem...
[20:15] <alchemistswl> I see. Do you maybe know if xbmc will support ext2/ext4?
[20:15] <mgottschlag> alchemistswl: and, if the HDD is supposed to be used with Windows as well, I've been told that UDF is a rather good option
[20:16] <mgottschlag> (at least better than FAT32 or NTFS)
[20:16] <alchemistswl> No I just want to use it with the PI as XBMC and streaming server to my tv
[20:16] <alchemistswl> But thank you anyways.
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[20:29] <jalnt> alchemistswl: I have a 1TB external had drive formatted as NTFS that I'm using as storage for OSMC
[20:29] <jalnt> And it works fine
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[20:29] <jalnt> The drawback of using FAT is I think there's a maximum individual file size of 4GB
[20:30] <jalnt> And with ext, it's not Windows compatible
[20:30] <Ryccardo> or try exfat, which I'd normally stay well clear of but allegedly got decent Linux compatibility
[20:31] <Ryccardo> also: http://www.ext2fsd.com/ :)
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[20:38] <jamesaxl> h
[20:38] * charlie_sanders (~q@user-0ccsp10.cable.mindspring.com) has joined #raspberrypi
[20:39] <jamesaxl> there is no example to get the output of POT using python ?
[20:41] <atouk> anyone know the differences/advantages between xbmc and openelec?
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[20:42] <charlie_sanders> atouk, xbmc is a program, you mean RaspBMC which is now OSMC ?
[20:42] <atouk> yes
[20:42] <charlie_sanders> I use OSMC and love it, super simple install, everything just works - have never used openelec however
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[20:43] <charlie_sanders> im currentlty struggling to get wifi working on raspbian :/
[20:43] <Payo> openelec is a very light distribution that runs kodi (xbmc) atouk
[20:43] <charlie_sanders> OSMC just loaded it no problem
[20:43] <Payo> osmc is a heavier distribution (based on debian afaik) that runs kodi
[20:44] <atouk> haven't played with any of the flavors, and just was curious which one to start with
[20:44] <atouk> pi2
[20:44] <Payo> it depends what you want to do
[20:44] <Payo> if you just want kodi, i'd go for openelec
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[20:45] <charlie_sanders> or OSMC, which also is basically just for running kodi
[20:45] <Payo> no it's not, it's a full distribution
[20:46] <Payo> and OE is a lot more used too from what I've seen
[20:46] <Payo> so easier support
[20:47] * rak[f00d] is now known as rak[1]
[20:47] <Payo> and right now osmc is in alpha
[20:47] <charlie_sanders> true
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[20:49] <Payo> if you want a full distribution you can also use raspbian and install kodi on it
[20:49] <Payo> that's what I use
[20:50] <charlie_sanders> im downloading snappy ubuntu at the moment - anyone using that ?
[20:52] <Ryccardo> no, as it's not available for arm6hf :)
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[21:04] <MY123> Another ThreadX device , finally.
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[21:06] <jalnt> Has anyone here managed to get samba working in OSMC?
[21:07] <jalnt> Specifically, I want to have a samba server running on my media centre raspberry pi that I can access from the network and move files between different copmuters
[21:07] <jalnt> *computers
[21:10] <sraue> jalnt, why not use OpenELEC, its avaible for RPi1 and RPi2, works well for many hundredthoiusand users and has samba installed, enabled and configured by default
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[21:12] <jalnt> sraue: It's not based on any distro
[21:12] <jalnt> I
[21:12] <jalnt> I'd rather something debian or ubuntu based
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[21:13] <sraue> it must not be based on any distro, because its a distro :-)
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[21:13] <jalnt> You know what I mean
[21:14] <jalnt> I want a debian or ubuntu fork
[21:14] <Payo> I use raspbian + kodi jalnt
[21:14] <Payo> you can install samba just like on any regular debian
[21:14] <jalnt> I was trying to get kodi working with raspbian the other day but couldn't
[21:14] <sraue> question is why it must be debian based... only because? or because you want do something which only works if its debian based?
[21:15] <jalnt> The only site I could find that supposedly has a precompiled kodi binary for raspbian is down
[21:15] <Payo> there's a guy that has repos for raspbian with kodi jalnt
[21:15] <Payo> http://michael.gorven.za.net/
[21:15] <Payo> site is down right now though
[21:15] <jalnt> And I couldn't get it to compile properly
[21:15] <jalnt> Yeah that's the one Payo
[21:15] <Payo> it's been down for a few days but before that it worked fine
[21:15] <Payo> I can give you the repo link if you want i think they still work
[21:15] <jalnt> sraue: I like the package manager
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[21:16] <Payo> deb http://archive.mene.za.net/raspbian wheezy contrib
[21:16] <jalnt> And there always seems to be more packages available for debian and ubuntu forks
[21:16] <Payo> it's up
[21:16] <jalnt> I don't want to have to compile eveything myself
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[21:18] <abnormal> what makes xchat multiopen?
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[21:20] <jalnt> Payo: http://archive.mene.za.net/raspbian/pool/contrib/k/kodi/
[21:20] <jalnt> One of those files should be what I want right>
[21:20] <jalnt> ?
[21:20] <Payo> yeah but you'll need the dependencies too
[21:20] <jalnt> kodi_14.1-1~wheezy_all.deb looks right
[21:21] <Payo> why not just add the repo ?
[21:21] <Payo> and get autoupdates etc
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[21:21] <jalnt> How do I do that? I'm not that new to Linux but I haven't played around with repos in a long time
[21:22] <jalnt> Is that link you gave me a repo?
[21:22] <Payo> yes
[21:22] <Payo> just add that line to /etc/apt/sources.list
[21:22] <Payo> only thing is you need the signature key and it's on the website ... wich is down
[21:23] <jalnt> Brilliant
[21:23] <Payo> apt will throw and error if you don't add it
[21:23] <Payo> an* error
[21:24] <jalnt> Is there a way to install kodi from that and then just add the repo later when (or if) the site comes back up so I can get updates?
[21:25] <Payo> you should be able to install it dispite the errors in apt
[21:25] <Payo> apt-get update && apt-get install kodi
[21:25] <Payo> then edit /etc/default/kodi to enable autostart
[21:25] * bosnjak (~bosnjak@dh207-39-230.xnet.hr) has joined #raspberrypi
[21:25] <bosnjak> hi all
[21:25] <bosnjak> what do you suggest to use with Python to play sound on RP?
[21:26] <jalnt> Thanks man
[21:27] <jalnt> I just gotta wipe osmc and reinstall raspbian now
[21:27] <ARM9> maybe pygame
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[21:36] <bosnjak> ARM9: would that be a bit overkill, to use the whole pygame just for audio? Maybe pygame is really lightweight?
[21:36] <bosnjak> ARM9: maybe some sdl python wrapper exists?
[21:37] <MY123> Is "<UNDEFINED> instruction: 0x27b
[21:37] <MY123> d0030
[21:37] <MY123> " normal behavour?
[21:37] <MY123> or is binutils going wrong?
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[21:38] <Ryccardo> bosnjak: if you really want something that adds little to your program, use the equivalent of "system("mpg123 whatever.mp3")" :P
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[21:41] <ARM9> bosnjak, pygame is an sdl wrapper
[21:42] <bosnjak> ARM9: yes, I expressed wrong, I men't something that uses only sdl_audio if that is possible, not to include the drawing parts
[21:42] <bosnjak> Ryccardo: yes, for now I'm using aplay with subprocess, but was looking for more python way, to have more control
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[21:45] <Ryccardo> from the extremely little I heard of python, there's a "from X import Y" instruction...
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[21:48] <latemau5> Hello.
[21:49] <jalnt> Gday
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[21:50] <latemau5> Going to set my pi up soon and attempt something interesting.
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[21:51] <jalnt> Nice, what are you gonna do?
[21:51] * Ryccardo (~riki@adsl-ull-83-74.42-151.net24.it) has joined #raspberrypi
[21:51] <latemau5> jalnt, that, I don't know, hahaha.
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[21:51] <latemau5> jalnt, I have some fantasy of building a carputer. Have most of the parts, just need to decide on a strategy for the project...
[21:52] <latemau5> Any input for such a project (carputer) would be appreciated, room :D
[21:52] <jalnt> A carputer, like a little dashboard computer in your car?
[21:52] <latemau5> jalnt, that's right.
[21:52] <jalnt> Sounds cool, I've seen a few videos about stuff like that
[21:53] <jalnt> People do some crazy stuff with the rpi
[21:53] <latemau5> jalnt, want to use it as a media centre, for diagnostics and information (via vehicle OBDII port),
[21:53] <jalnt> Like controlling suspension, fuel intake etc
[21:53] * wcypierre is now known as zz_wcypierre
[21:53] <jalnt> Nice
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[21:54] <latemau5> jalnt, haha, that sounds insane. I wasn't planning on doing anything to change vehicle performance. More for media and info display. Maybe GPS and mobile phone connectivity.
[21:54] <jalnt> Should be doable
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[21:55] <latemau5> jalnt, only thing is, I'm pretty much a n00b. I've screwed around with arduino, and I'm a heavy linux user. But, I have no clue about how to program my desired interface, or how to interface through the GPIO
[21:55] <CoJaBo> I wonder if there's anything in mine that could be usefully controlled by OBD..
[21:55] <jalnt> Yeah I'm new as well
[21:56] <jalnt> But there are tonnes of resources out there
[21:56] <latemau5> CoJaBo, in your what?
[21:56] <CoJaBo> I was planning to use a pi as a mediaplayer once the Sirius subscription ran out, but it never did
[21:56] <jalnt> I'm sure there's an intructables tutorial or something could give you some ideas
[21:57] <CoJaBo> I dunno if they have multi-year packages, or maybe it's a lifetime one or soemthing, so I dunno if it ever will
[21:57] <CoJaBo> latemau5: it's an '08 Sebring
[21:58] * dj_pi (~dj@c-107-5-228-80.hsd1.mi.comcast.net) Quit (Ping timeout: 250 seconds)
[21:58] <latemau5> Mine's and 2006 Ford Focus. Has a lot of toys already (cruise control, auto wipers, autolights, etc)
[21:58] <latemau5> But unlike all new modern cars, doesn't have a lovely wee screen upfront!
[21:59] <latemau5> The XBMC OS looks ideal.
[21:59] <latemau5> But not sure if it's as easy to program your own functionality into it...
[21:59] <latemau5> Xbian
[21:59] <CoJaBo> Mine has everything but the backup camera
[21:59] * tombrough (~tom@cpc3-newt3-0-0-cust165.19-3.cable.virginm.net) Quit (Quit: Leaving.)
[21:59] <latemau5> CoJaBo, sounds good...
[22:00] <jalnt> You know what I've been thinking about for a while now?
[22:00] <jalnt> I don't know how secure this would be but...
[22:00] * danielmahon (~danielmah@108-75-123-187.lightspeed.bcvloh.sbcglobal.net) Quit (Quit: Textual IRC Client: www.textualapp.com)
[22:00] <CoJaBo> My last one was a '00 Grand Am, but that didn't have much OBD functionality; most of the monitoring stuff in my phone app wasn't even supported lol
[22:00] <latemau5> Go on..
[22:00] <jalnt> Imagine if you could rig something up in your car so that you could unlock your car door remotely
[22:00] <jalnt> Sorry, slow typer
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[22:01] <jalnt> I mean, if your car doesn't have remote unlocking already
[22:01] <jalnt> Which mine doesn't
[22:01] <CoJaBo> If it's got power locks, all you need is 1 relay
[22:01] <latemau5> jalnt, ah. Well yeah, you can get central locking kits aftermarket for a car. Pretty cheap and easy to fit.
[22:02] <jalnt> Like if I could rig something up so that if my phone or my keys come within a certain range, or maybe I could use an app on my phone to interact via bluetooth with my car doors
[22:02] <CoJaBo> Pair the pi with bluetooth
[22:03] <CoJaBo> Have it toggle a GPIO when the phone connects, and you have yourself a Tesla :P
[22:04] <jalnt> I'd just need an actual locking mechanism though :P
[22:04] <latemau5> Ah, like keyless entry.
[22:04] <jalnt> Yeah
[22:04] <latemau5> Cool project, but I have to tell you, keyless entry is a PAIN in the ass lol.
[22:04] <CoJaBo> Does it have power locks or mechanical? If it's the latter, it would be a more major project
[22:04] <latemau5> My girlfriend has a Renault Megane 2006, and it has keyless entry, and it's just so much hassle.
[22:04] <jalnt> I was thinking of it because a few months back I locked my keys in my car with the car running, about a 20 min drive from my house
[22:05] <latemau5> My best friend works in a car sales place, and he says the keyless entry systems on French cars cause him untold minutes of misery every day lol
[22:05] <jalnt> Had to wait an hour and a half for someone to come and get it open for me
[22:05] <latemau5> jalnt, well, believe it or not, my girlfriend's keyless entry car has done the same thing.
[22:05] <latemau5> janlt, a few weeks ago she started her engine, then got out to scrape ice/snow off her car.
[22:05] <CoJaBo> Mine has a button that puts the windows down too, which is neat; you could probably add that on too with just another few relays :P
[22:05] <latemau5> When she closed the door, the car locked itself, with engine running.
[22:06] <CoJaBo> lol
[22:06] <jamesaxl> I'd like to read an analog signal from a photoresistor, or a potentiometer :(
[22:06] <jalnt> haha
[22:06] * hadifarn_ (~hadifarno@cisco.tnet247.com) Quit (Ping timeout: 255 seconds)
[22:06] <CoJaBo> I saw a post about someone doing a really simple remote-start even too
[22:06] <jalnt> My doors have mechanical locks
[22:06] <CoJaBo> (that's usually epicly non-trivial)
[22:07] <latemau5> jalnt, we had a spare key, but no battery in it! You can take the keycards apart and there's a physical key, but it's a pain in the ass to find where it goes into the car lol... because it's designed with keyless entry, so they don't make it easy to get in manually.
[22:07] <jalnt> Actually I don't know if I worry about doing it for this car
[22:07] <jalnt> It's a piece of shit
[22:07] <jalnt> 1997 Ford Laser
[22:07] <latemau5> Fair enough!
[22:07] <jalnt> Maybe when I get a better one I'll do it
[22:07] <latemau5> I would love a piece of shit car to experiment on lol
[22:07] <CoJaBo> jalnt: Yeh, that'd be difficult; the mechanical part would probably not worth the effort. If it had power locks, it wouldn't be that hard
[22:07] <latemau5> I wish I had my first car to strip apart for fun. 1.1L Peugeot 106 lol
[22:07] <latemau5> It has an analogue clock where the rev meter should be...
[22:07] <latemau5> 1997
[22:08] <jalnt> Yeah you've got a point
[22:09] <jalnt> I don't wanna go through the hassle only to have to rip it all out in a year when my car decides to finally die
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[22:09] <latemau5> lol
[22:09] <latemau5> fair enough
[22:11] <McBride36> i hear using embedded stuff in cars is tricky because of the power regulation, this true?
[22:12] <McBride36> and jamesaxl if you want analog input on the rpi, you'll need an ADC chip
[22:12] <latemau5> McBride36, well, cars have a 12v DC battery, and voltages/currents to additional equipment does vary considerably with engine RPM, etc.
[22:12] <Ryccardo> not much more than a regular power supply for home use, just use a bigger capacitor on its output
[22:12] <latemau5> McBride36, so aye, there's power issues to consider. I think for something as simple as the RPI, it should be enough.
[22:12] <Ryccardo> my car even has a stabilized +12 line
[22:13] <latemau5> Yeah, a few new cars have 230V outputs these days...
[22:13] <McBride36> depends on model then?
[22:13] <latemau5> The Vauxhall Mocca comes with one as standard. Think there's a considerable amp limit though.
[22:13] <McBride36> i got a POS toyota camry
[22:13] <McBride36> so
[22:14] <Ryccardo> get a giant 6V or so capacitor, put it in parallel to output of USB car charger, there it is
[22:14] <Froolap> Just get one of those dc to ac inverters and then plug the pi's power supply into 110V. :)
[22:14] <jalnt> I think if your car can power stuff like your radio, speakers, gps, etc it can power an rpi
[22:15] <Froolap> I used to have a small one that had just enough juice to run my laptop
[22:16] <latemau5> Froolap, but rpi runs DC, not AC?
[22:16] <Froolap> Yes, but the Pi
[22:16] <Ryccardo> Froolap: was it this one? ludens.cl/Electron/chinverter/chinverter.html ;)
[22:16] <Froolap> has an AC wall wart power supply
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[22:16] <latemau5> Froolap, yeah. So you'd be going DC -> AC -> DC lol
[22:17] <latemau5> I was planning on just wiring an rpi up to the DC car battery directly.
[22:17] <Ryccardo> o.o
[22:17] <Froolap> Yup, but it works and no fear of throwing bad voltage.
[22:17] <latemau5> Fair enough.
[22:17] <latemau5> My car hasn't got the 110V though :(
[22:18] <Froolap> No, it wasn't THAT one, but that's close to what I had. mine was 110v
[22:19] <Froolap> No, but for about 50 bucks you can get a decent inverter that will give you the AC
[22:19] <Froolap> Or for about 12 bucks you can get a cigerette lighter to USB charger.
[22:19] * dreamon (~dreamon@unaffiliated/dreamon) Quit (Ping timeout: 256 seconds)
[22:20] * Yoofie (~chatzilla@75-114-203-47.res.bhn.net) Quit (Ping timeout: 252 seconds)
[22:21] <Froolap> I figure that if the lighter to usb charger is good enough to recharge an Ipad, then it's good enough to run the raspberry
[22:21] <Froolap> for what it's worth.
[22:22] <Froolap> since the car is 12v and the pi is 5v you are going to need to have something inbetween unless you want to enjoy a very short light display.
[22:23] <jalnt> Payo: I'm installing Kodi now
[22:23] <jalnt> Payo: From that repo you linked me
[22:23] * jcutrell (~jcutrell@ Quit (Quit: jcutrell)
[22:23] <Froolap> sparks, smoke, WOW, lets get another one. That was cool.
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[22:25] <atouk> odi install was painless. now I have to buy another raspi2
[22:25] <atouk> (kodi)
[22:26] <jalnt> atouk: What OS are you running?
[22:27] <atouk> i grabbed the openelec pi2 image
[22:27] * abnormal (~abnormal@ip-64-134-241-200.public.wayport.net) Quit (Quit: Leaving)
[22:28] <atouk> http://openelec.tv/get-openelec
[22:28] <jalnt> That has kodi preinstalled doesn't it?
[22:29] <atouk> yup. burn and boot
[22:30] <jalnt> Well that's why it was easy then haha
[22:30] <jalnt> I'm trying to install it on raspbian
[22:30] <ApolloJustice> it isn't debian based tho, that's a huge downside for me
[22:30] <atouk> only odd thing was that it didn't see my wifi until i plugged internet in. then it found the dongle.
[22:30] <atouk> worked fine after a reboot
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[22:31] <atouk> with the adnroid app, it's really nice
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[22:37] <DoctorD90> guys, im looking for rpi camera; the difference between normal camera and NOIR camera is only the 'IR cut filter' not present? ....can i find ! and apply it to NOIR camera if i need of a normal camera? or it isnt the same?
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[22:39] * god_mode (~anon@37-144-25-58.broadband.corbina.ru) has joined #raspberrypi
[22:41] <pksato> DoctorD90: yes, you can use other optical filters with NOIR cam.
[22:41] <jalnt> Sweet
[22:41] <jalnt> Got Kodi working in raspbian on my RPi2
[22:41] <DoctorD90> pksato, so if i use some other optical filter, i can get the same of normal camera module? :D
[22:42] <pksato> problem, optical filters are expensive. :)
[22:42] <jalnt> Using this guide if anyone is interested: http://www.raspberrypi.org/forums/viewtopic.php?f=66&t=99866
[22:42] <jalnt> Thanks Payo for the help
[22:42] * Muzer (~muzer@cpc72421-sotn15-2-0-cust723.15-1.cable.virginm.net) Quit (Ping timeout: 264 seconds)
[22:42] <pksato> DoctorD90: yes.
[22:42] * eMaks (eMaks@y46.ip6.netikka.fi) has left #raspberrypi
[22:43] <latemau5> jalnt, whats your plan for the pi with kodi?
[22:43] <DoctorD90> so i can jus purchase NOIR, and at day i use filter, and of nigth(using infrared leds) i can see ....very cool :) thx pksato :)
[22:44] <DoctorD90> pksato, is "easy" to fidn out this 'IR cut filter' ?
[22:45] <DoctorD90> (if you know...obvious)
[22:45] <jalnt> latemau5: Just for watching movies, tv shows
[22:45] <jalnt> Torrenting
[22:46] <jalnt> As far as Kodi goes
[22:46] <jalnt> I'm going to be running other things on the pi too
[22:46] <jalnt> Like a 24/7 IRC session that I can connect to from other computers
[22:47] <jalnt> I had a minecraft server running on it yesterday and was playing with my little brother
[22:47] <jalnt> Worked pretty well
[22:47] <latemau5> cool
[22:49] <latemau5> jalnt, thats a lot of instructions just to install a media center software lol!
[22:50] <jalnt> haha yeah well I'm installing kodi on top of raspbian
[22:50] <Payo> np jalnt :)
[22:50] <jalnt> Most people just go with raspbmc/osmc or openelec I think and save themselves the hassle
[22:51] <jalnt> But I needed raspbian for doing other things apart from being a media center
[22:52] <latemau5> jalnt, yeah, i just figured it wouldnt be anymore difficult to install on raspbian as on, say, ubuntu
[22:53] <latemau5> on ubunmtu its just... sudo apt-get install kodi
[22:53] <latemau5> with some ppa to add first
[22:54] <latemau5> but, for some reason it is... wonder why
[22:57] * ahop (ahop@ has joined #raspberrypi
[22:57] <ahop> Hi!
[22:57] <ahop> Some of you use "extension card" (I don't know it is called)
[22:57] <ahop> on the RPi
[22:57] <ahop> ?
[22:58] <Xark> ahop: A HAT?
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[22:59] <Xark> ahop: E.g., http://www.raspberrypi.org/introducing-raspberry-pi-hats/
[23:00] <jalnt> latemau5: Yeah I dunno, but it's working at least haha *touch wood*
[23:00] <ahop> oh yes, a HAT, thanks!
[23:00] <ahop> Have you tried audio HATs?
[23:01] <Xark> ahop: I have not personally, but I believe there are a few (including one that is supposed to be "high fidelity")./
[23:01] * xenoxaos (xenoxaos@2600:3c02::f03c:91ff:feae:2da1) Quit (Remote host closed the connection)
[23:01] <Xark> ahop: E.g. (random google search) -> http://iqaudio.com/
[23:02] <shauno> I have one of 'hifiberry's. I haven't tried it yet, but can at least claim they exist
[23:02] <Xark> ...or https://www.hifiberry.com/dacplus/ ... or https://www.adafruit.com/product/1761 ...
[23:03] <Xark> shauno: Thanks, always a plus. :)
[23:03] <niston> the iqaudio one is really good
[23:03] * EastLight (~n@ has joined #raspberrypi
[23:03] <niston> i suppose so is the hifiberry one, but I've only worked with the iqaudio product
[23:04] <ahop> niston I don't find the price, nor the shop on their website
[23:04] <niston> tindie.com
[23:04] <niston> https://www.tindie.com/search/?q=pidac
[23:04] <ahop> strange that they don't like to the shop in their website :s
[23:05] <Xark> ahop: Tindie is a pretty good site for small makers.
[23:05] <niston> yeah. they should really place a "buy" link to tindie in the menu
[23:06] <ahop> sorry I meant : strange that they don't *link* to the shop (not *like*)
[23:06] <niston> I'll drop them a line to see about it
[23:06] <ahop> The noise floor is very high with the standard audio chip
[23:06] <ahop> don't you think so ?
[23:07] <acidjazz> god i dont get it, i messed with and commented out / added all sorts of stuff to /etc/xdg/lxsession/LXDE/autostart and LXDE-pi/autostart and it just completely ignores them
[23:07] * t0x0sh (~tosh@t0x0sh.org) Quit (Ping timeout: 255 seconds)
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[23:09] <ahop> niston have you already used Python on RPi ?
[23:09] <niston> yeah
[23:10] <ahop> with audio applications?
[23:10] <niston> and the noise floor of the PCM5122 is very low
[23:10] <niston> ahop: no I've used c# for my audio app
[23:10] <niston> python for network related things
[23:11] <ahop> niston do you mean the standard audio chip has few noise?
[23:11] <niston> no
[23:11] * moei (~moei@softbank221078042071.bbtec.net) has joined #raspberrypi
[23:11] <niston> what do you mean by standard audio chip?
[23:11] * bdavenport (~davenport@aether.mindlesstux.com) Quit (Ping timeout: 252 seconds)
[23:11] <niston> the pcm output on the raspberry board?
[23:12] <niston> that one's crap. yes.
[23:12] <ahop> you said PCM5122
[23:12] * iamjarvo (~textual@c-69-249-187-177.hsd1.nj.comcast.net) Quit (Quit: My MacBook has gone to sleep. ZZZzzz…)
[23:12] <ahop> what is it?
[23:13] * bdavenport (~davenport@aether.mindlesstux.com) has joined #raspberrypi
[23:13] <niston> tzhe chip on the pidac (iqaudio sound hat)
[23:13] * deww (dc2@unaffiliated/deww) Quit (Quit: fuck)
[23:13] <niston> its a texas instruments audio dac
[23:13] <niston> formerly burr-brown (maker of legendary dacs)
[23:13] <ahop> ohhh ok
[23:13] <niston> its pretty good
[23:13] <ali1234> can you get a sound board with both audio in and audio out?
[23:14] <niston> not yet I think
[23:14] <niston> well
[23:14] <niston> hmm there might be something
[23:14] * abnormal (~abnormal@25.sub-70-209-133.myvzw.com) has joined #raspberrypi
[23:14] <niston> but I don't remember what it was called
[23:14] <ahop> niston could you try a little thing for me
[23:14] <ahop> here it is : http://pastebin.com/7Hg9wKaW
[23:14] <niston> it has two 3.5mm jacks for audio in out
[23:14] <shauno> I think the wolfson one has in+out ?
[23:14] <shauno> they've at least populated it with ping+green, so if it doesn't, slap them
[23:14] <niston> ahop what's that
[23:15] <Bilby> yep, wolfson has a full array of IO
[23:15] * RaptorJesus (~RaptorJes@unaffiliated/raptorjesus) Quit (Remote host closed the connection)
[23:16] <ahop> niston: it's a callback that should play sound
[23:16] <ahop> here just an array full of zeros, so it should play silent audio
[23:16] <ahop> Here's my problem:
[23:16] <ahop> When I launch it, I hear some noise (but it's ok)
[23:16] <ahop> and after 4 or 5 seconds, the noise is stuttering like when Buffer size is set too low :s
[23:17] <ahop> I would like to know if you have similar problem
[23:17] <niston> can't test it
[23:17] <niston> no Pi here
[23:17] <niston> and besides
[23:17] <ali1234> i can test it on a PC
[23:18] <niston> thanks
[23:18] <niston> :)
[23:18] * xenoxaos (xenoxaos@2600:3c02::f03c:91ff:feae:2da1) has joined #raspberrypi
[23:18] <ahop> ali1234 on PC it works fine
[23:18] <ahop> already tested
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[23:19] <acidjazz> lol a .config/ in my ~ exists
[23:20] <acidjazz> that overrides /etc/
[23:20] <acidjazz> freaking jessie
[23:20] <anunnaki> hey any pros/cons to choosing kodibuntu over raspian with xbmc/kodi?
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[23:21] <ali1234> ah there's your problem
[23:21] <ali1234> pyaudio needs portaudio needs jack
[23:21] <ali1234> try using something a bit lighter, like SDL
[23:22] * Delboy (~openwrt@141-136-197-96.dsl.iskon.hr) Quit (Ping timeout: 246 seconds)
[23:22] <Ryccardo> Can you map a GPIO to be the console beep?
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[23:23] * rgl (~rgl@a95-94-80-42.cpe.netcabo.pt) Quit (Ping timeout: 244 seconds)
[23:23] <ali1234> Ryccardo: should be possible in theory, i mean originally it was an actual bell
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[23:24] <ahop> ali1234 what do you mean?
[23:24] <ahop> SDL?
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[23:25] <ahop> ali1234 here is the question http://raspberrypi.stackexchange.com/questions/28431/strange-audio-behaviour
[23:25] <Ryccardo> ahop: so it only happens with that software?
[23:26] * tiktuk_ (~tiktuk@x1-6-28-c6-8e-44-ce-e2.cpe.webspeed.dk) has joined #raspberrypi
[23:27] <ali1234> your code is wrong also
[23:27] <ali1234> try using the example code from pyaudio
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[23:28] <ahop> ali1234: no, I'm using code with callback
[23:28] <ahop> instead of code without callback
[23:28] <ahop> what is wrong?
[23:29] <ahop> It's really amazing that they didn't improve the audio chip on B+ , nor on RPi2 :(
[23:29] <ahop> i really hoped that...
[23:30] <ali1234> you never started the stream
[23:30] * Hix_ (~Hix@97e05725.skybroadband.com) has joined #raspberrypi
[23:30] <ahop> If someone could test that it would be super great for me..... Can you play this http://gget.it/5kyzwkp9/20secsilence.wav on RPi with headphones with "aplay 20secsilence.wav"
[23:30] <ahop> and tell me if you also have noise floor volume increasing when playing starts?
[23:31] <ahop> (this file is just 20 seconds of silence, ie real silence in .WAV)
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[23:32] * puzzola (~puzzola@c-98-195-204-191.hsd1.tx.comcast.net) has joined #raspberrypi
[23:32] <IRCExtremist> Video playback
[23:32] <IRCExtremist> Is it any good with the Pi2?
[23:32] <Bilby> It's excellent, in fact
[23:32] <IRCExtremist> It is?
[23:32] <IRCExtremist> What software?
[23:33] <IRCExtremist> Planning on 1080p videos
[23:33] <Bilby> Certainly, for file types that are supported in the hardware procesor
[23:33] <IRCExtremist> Would it suffice or would I need a fan?
[23:33] <Bilby> Kodi works well
[23:33] <Bilby> hahaha
[23:33] <IRCExtremist> lol
[23:33] <Bilby> no, you don't need a fan
[23:33] <ozzzy> IRCExtremist, what would a fan have to do with it
[23:33] <IRCExtremist> Cool the fucker down
[23:33] <IRCExtremist> hehe
[23:33] <ozzzy> they don't run hot
[23:33] * MageJames (~Magejames@cpe-071-075-062-008.carolina.res.rr.com) has joined #raspberrypi
[23:34] <IRCExtremist> Isn't it what's love GOT to do?
[23:34] * Mikelevel (~MoVeWoRk@unaffiliated/mikelevel) has joined #raspberrypi
[23:34] <latemau5> It is.
[23:34] <latemau5> Song quote fail.
[23:34] <IRCExtremist> hehe
[23:34] <latemau5> Everybody point and laugh.
[23:34] <latemau5> ->
[23:34] <Bilby> IRCExtremist i jammed pis behind LCD monitors x14 and have had zero heat problems
[23:34] <latemau5> ha
[23:34] <Bilby> G'ah
[23:34] <ozzzy> fail is a verb
[23:34] * IRCExtremist points at Bilby and laughs his tits off
[23:34] <latemau5> I'm trying to put Raspbian on an SD card, but all my SD cards are mounting read only :@ :@ :@
[23:34] * Hix_ (~Hix@97e05725.skybroadband.com) Quit (Ping timeout: 256 seconds)
[23:34] <Bilby> bee tee dubs this is a "family safe" channel (hypothetically) so easy on the language
[23:34] <ahop> ali1234, I tested with the oriinal PyAudio code
[23:34] <ahop> it's the same
[23:34] <IRCExtremist> K
[23:35] <IRCExtremist> Back on topic
[23:35] <ahop> after 10 seconds, the noise starts stuttering
[23:35] <Ryccardo> latemau5: probably the sensor for the write lock switch is bad
[23:35] <IRCExtremist> videos
[23:35] <ali1234> ahop: then pi is too slow, not really surprising
[23:35] <Bilby> What are you trying to do?
[23:35] * Froolap (~Froolap@pool-71-180-136-207.tampfl.fios.verizon.net) Quit (Ping timeout: 240 seconds)
[23:35] <IRCExtremist> I haven't even bought one because not sure on formats played
[23:35] <Bilby> video display board? playing movies and such?
[23:36] <ahop> ali1234: to play just silence, with an array full with 0?
[23:36] <ali1234> yes
[23:36] * ARM9 (~ARM9@46-236-101-61.customer.t3.se) Quit (Quit: swi 0x06)
[23:36] <IRCExtremist> Yeah bilby
[23:36] <ahop> then how would it play 1080p video ?
[23:36] <ozzzy> ahop, playing a 0 is the same as playing any other value
[23:36] <ali1234> amazingly enough, it doresn't actually matter whether you play a 1 or a 0, it uses the same amount of CPU
[23:36] * AutoStatic (~AutoStati@unaffiliated/autostatic) has joined #raspberrypi
[23:37] <ali1234> it has a hardware video decoder
[23:37] <ali1234> which you are not using
[23:37] <ahop> I have "top" running , showing that only 3% CPU is used
[23:37] <Bilby> if you're trying to do a home media thing do Kodi or OpenELEC
[23:37] <Ryccardo> `sleep 60; dd if=/dev/hda of=/dev/dsp` -- run like hell
[23:37] <jalnt> I'm running Kodi on my Raspberry Pi 2 right now, plays 1080p video really good
[23:37] * iamjarvo (~textual@c-69-249-187-177.hsd1.nj.comcast.net) has joined #raspberrypi
[23:37] * god_mode (~anon@37-144-25-58.broadband.corbina.ru) Quit (Quit: god_mode)
[23:37] <jalnt> No lag at all and no heat problems
[23:38] <ahop> Ryccardo what is this code ?
[23:38] <Xark> jalnt: Ahh, a black confetti shooter. :)
[23:38] <Ryccardo> ahop: random sound, basically (if you use OSS audio system)
[23:38] <Xark> Er, Ryccardo :)
[23:38] <jalnt> Huh?
[23:38] <ahop> Ryccardo what is OSS again ?
[23:39] <jalnt> open source software?
[23:39] <Xark> Linux audio API
[23:39] <Ryccardo> predecessor to ALSA in popularity over year
[23:39] <jalnt> Don't forget to FLOSS
[23:39] <ozzzy> Open Sound System
[23:39] * peon (~peon@c83-252-182-253.bredband.comhem.se) has joined #raspberrypi
[23:39] <ahop> what's the lightest sound API to use on Pi?
[23:39] <ahop> with Python
[23:39] <ali1234> nothing is light with python
[23:39] <IRCExtremist> jalnt: no lag?
[23:40] <IRCExtremist> Kodi you say?
[23:40] <ahop> I need to have a callback, and to write 1024 samples each time
[23:40] <jalnt> None at all
[23:40] <ahop> buffer
[23:40] <jalnt> It's really good
[23:40] <ahop> or not python, let's say C
[23:40] <IRCExtremist> what media/
[23:40] <IRCExtremist> ?
[23:40] <IRCExtremist> Hard drive or USB?
[23:40] <ahop> which library should I use to play audio to audio out
[23:40] <ali1234> use SDL
[23:40] <jalnt> USB hard drive
[23:40] <IRCExtremist> 3.0?
[23:41] <IRCExtremist> I've got one
[23:41] <ozzzy> Pis don't do USB3
[23:41] <jalnt> Nah I think it's just 2.0
[23:41] <IRCExtremist> Damn
[23:41] <ahop> ali1234 how? do you have a small example?
[23:41] <IRCExtremist> Problemo
[23:41] <ozzzy> USB2 works fine
[23:41] <Bilby> ^
[23:41] <Bilby> You can also grab from the network
[23:41] <jalnt> I don't think you'd get any videos that would need anything more than USB2 provides
[23:41] <ali1234> ahop: http://www.libsdl.org/release/SDL-1.2.15/docs/html/guideaudioexamples.html
[23:41] <ozzzy> even full 1080p won't saturate a USB2 link
[23:41] <IRCExtremist> I've got some good rips
[23:42] <IRCExtremist> And thought it'd be good to play on that
[23:42] <ozzzy> should be
[23:42] <ali1234> you should use SDL2. audio hasn't changed
[23:42] <IRCExtremist> Better than buying some hd viewer or setop box
[23:42] * iamjarvo (~textual@c-69-249-187-177.hsd1.nj.comcast.net) Quit (Quit: My MacBook has gone to sleep. ZZZzzz…)
[23:42] <ozzzy> they'd be purpose built... not general purpose computers
[23:42] <IRCExtremist> Is it an OS or software?
[23:43] <jalnt> It works great as a media center
[23:43] * tiktuk_ (~tiktuk@x1-6-28-c6-8e-44-ce-e2.cpe.webspeed.dk) Quit (Quit: Bye…)
[23:43] <IRCExtremist> But as a single boot option?
[23:43] <jalnt> Is what an OS or software?
[23:43] <IRCExtremist> Kodi
[23:43] <jalnt> It's software
[23:43] <ahop> ali1234 can you remind me ALSA / OSS / Jack / PortAudio, (is there another one) ? Which one is on top of which other?
[23:43] <IRCExtremist> What Os?
[23:43] <ahop> I never really knew
[23:43] <Bilby> Kodi is built on top of raspibian iirc
[23:43] <ozzzy> OSS is old and probably not up to date
[23:43] <Bilby> but it's a full image, you just write to SD card and book
[23:43] <IRCExtremist> I'm a noob, if you haven't already figured it out
[23:43] <Bilby> *boot
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[23:43] <jalnt> It's a media center application that's installed on top of whatever OS you choose
[23:43] <ali1234> ahop: ALSA is the lowest level. OSS is not used. portaudio is a wrapper around ALSA and OSS. Jack is a crazy sound server which is a bit like pulseaudio except even more insane
[23:44] <jalnt> I'm running it on top of Raspbian
[23:44] <IRCExtremist> Cool
[23:44] <ozzzy> ugh... pulseaudio
[23:44] <IRCExtremist> Run from boot
[23:44] * Stephini (~Steph@ Quit (Ping timeout: 252 seconds)
[23:44] <ozzzy> [shudder]
[23:44] <IRCExtremist> Sickage
[23:44] <ahop> sorry was disconnected
[23:44] * KindOne (kindone@colchester-lug/silly-fool/donut) Quit (Ping timeout: 256 seconds)
[23:44] <IRCExtremist> Thanks folks
[23:44] <IRCExtremist> Going to hold out for one of their offers
[23:44] <Bilby> IRCExtremist - OSMC is the Raspi port of Kodi. Look Here --> https://osmc.tv/about/
[23:44] <ahop> ali1234 what do you mean by OSS is not used?
[23:44] <jalnt> There are popular OS's that come with Kodi preinstalled and it boots straight into it
[23:45] <ali1234> ahop: nobody uses OSS, portaudio, or jack
[23:45] <jalnt> Yeah like OSMC, or Openelec
[23:45] <jalnt> OSMC is nice
[23:45] <ali1234> ahop: everybody uses ALSA, SDL, and pulseaudio instead
[23:45] * cave (~various@h081217074129.dyn.cm.kabsi.at) Quit (Remote host closed the connection)
[23:46] * Syliss (~temp@c-24-23-6-50.hsd1.ca.comcast.net) Quit (Quit: Syliss)
[23:47] <IRCExtremist> Cheers guys
[23:47] <Bilby> I know the NOOBS build came with RaspBMC, I'm assuming they updated it to OSMC now
[23:47] <Bilby> hasta
[23:47] <IRCExtremist> Will prob be back when I get myself a Pi2
[23:47] <IRCExtremist> Laters
[23:47] <Bilby> dooo eeet
[23:47] * IRCExtremist (IRCExtremi@ has left #raspberrypi
[23:47] <ahop> ali1234 what do you think about using ALSA ?
[23:47] <ahop> why is SDL better?
[23:47] <ahop> I found this: http://pyalsaaudio.sourceforge.net/index.html#
[23:47] <ali1234> because SDL is significantly easier to use than using ALSA directly, and add no additional overhead
[23:48] <ozzzy> why does everything have to be wrapped up with python these days
[23:48] <Ryccardo> ^^^^
[23:48] <Xark> ahop: SDL is a complete "engine" for crossplatform audio, graphics, networking, filesystem etc. (designed for games).
[23:49] <ali1234> SDL could not be accurately described as an engine
[23:49] <ali1234> that is the one thing it does not contain
[23:49] <Xark> ali1234: Hence the quotes, but it is related. :)
[23:49] <ali1234> it has no scene graph, no world logic, etc
[23:49] <Xark> ali1234: Not all engines need those.
[23:49] <ali1234> engines don't need world logic?
[23:50] <ali1234> that's rather avant garde approach to game design, even these days
[23:50] <Xark> ali1234: You can make a game with SDL without any "engine" (depending on the game).
[23:50] <ali1234> yeah, no
[23:51] <ahop> ali1234, I would need to do in with Python
[23:51] <Xark> ali1234: Anyways, to be pedantic "Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D."
[23:51] * ctarx (~ctarx@ Quit (Quit: My MacBook has gone to sleep. ZZZzzz…)
[23:51] <ahop> with C, I wouldn't be able to do it.
[23:51] * ctarx (~ctarx@ has joined #raspberrypi
[23:51] <ahop> Or I will give up after spending 10 hours on a string concatenation problem
[23:52] * ctarx (~ctarx@ Quit (Client Quit)
[23:52] <ahop> because I will forget to free malloc memcpy
[23:52] <ahop> ;)
[23:52] <ali1234> you will never get blitch-free sound synthesis with python on the rpi
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[23:52] <ali1234> you just won't
[23:52] <ahop> ali1234 even with RPi2?
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[23:53] <ali1234> no
[23:53] <ahop> I bought RPi2 (and received it today) because it was said 6x faster than Rpi B!
[23:53] <ali1234> it's only 6x faster if you run 4 copies of your program at the same time
[23:53] <ahop> ? really?
[23:53] <ali1234> yes really
[23:54] <ahop> so my RPi B is more or the same than my RPi 2 that I got today ?
[23:54] <ahop> :s
[23:54] <ozzzy> now... you could write multi-threaded code to run on it
[23:54] <Xark> ahop: Each core is still 2x as fast (or more depending on code).
[23:54] <Xark> ahop: (or less, but usually >60% faster IME)
[23:54] * latemau5 (~garrie@host31-49-195-34.range31-49.btcentralplus.com) Quit (Remote host closed the connection)
[23:54] <ali1234> argh
[23:55] <ahop> ali1234 but how can you explain my audio callback works great for 10 seconds, and begins to stutter after 10 seconds?
[23:55] <ozzzy> mine runs real nice at 1GHz too
[23:55] <Xark> ahop: 6x is a number plucked out of the air assuming using 4 cores.
[23:55] <Ryccardo> the VRAM is still user selectable, right?
[23:55] <ali1234> ahop: buffer starvation
[23:55] <Xark> ahop: There have been documented cases of single core things running 20x faster (taking advantage of NEON etc.)
[23:55] <ahop> if CPU wasn't able to handle it, why would it work during 10 seconds
[23:55] <ali1234> because you have abuffer
[23:55] <Xark> ahop: I will mention audio processing is a good candidate for NEON....
[23:55] <ozzzy> sounds like your buffer is depleted
[23:56] <ahop> ali1234 no, impossible, because I'm playing *realtime* with MIDI keyboard
[23:56] <ahop> and during 10 seconds, all is working great
[23:56] <Xark> ahop: That is when "underflow" occurs
[23:56] <ahop> with my sampler : https://github.com/josephernest/OpenSampler
[23:56] <ali1234> you are playing silence with your midi keyboard?
[23:56] <ali1234> avant garde everywhere tonight?
[23:56] <ahop> no no sorry silence is a stripped-down example to exhibit stuttering problem
[23:56] <ahop> ;)
[23:57] <ahop> here is the stripped-down version of a bigger sampler software that I'm writing : https://github.com/josephernest/OpenSampler
[23:57] <Xark> ahop: Yes, so nothing to do with keyboard, you just can't play audio "fast enough" sounds like.
[23:57] <ahop> it works on the RPi B for 10 seconds
[23:57] <ahop> no no, I can play 100 notes in 10 seconds with my pianist hands ;)
[23:58] <ahop> so if the Pi is able to handle the first 10 seconds, it should be able to do it the next 10 seoncds, don't you think so ?
[23:59] <ali1234> no

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