#raspberrypi IRC Log

Index

IRC Log for 2015-01-29

Timestamps are in GMT/BST.

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[0:56] <niston> <pksato> New stock of rpis on brazilian farnell, A+ US$68, B+ US$106 <--- wtf
[0:57] <niston> is the import fee per IC pin or some whack shit?
[0:59] <niston> you are right, 'Tie ;)
[1:00] <niston> but you have to admit that those prices are pretty ... far out.
[1:00] <ShorTie> true
[1:00] * osxdude|MBP (~osxdude@unaffiliated/osxdude) has joined #raspberrypi
[1:01] <pksato> insane...
[1:01] * NedScott (~nedscott@kodi/staff/nedscott) has joined #raspberrypi
[1:01] <niston> ever thought about moving abroad?
[1:02] <pksato> No.
[1:02] * Tekster (~Tekster@unaffiliated/tekster) Quit (Remote host closed the connection)
[1:03] * wiiguy (fake@unaffiliated/wiiguy) Quit (Quit: I just broke my connection, but no worries, we can rebuild it. We have the technology.)
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[1:05] <abnormal> lol, niston
[1:05] <niston> heh. hi there =]
[1:05] * chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) Quit (Quit: Ex-Chat)
[1:05] <abnormal> yeh, at element is still 20
[1:06] <abnormal> and the B+ is 35
[1:06] <abnormal> and the standard B is back in stock for 35
[1:06] * Noldorin (~noldorin@unaffiliated/noldorin) Quit (Ping timeout: 255 seconds)
[1:06] <abnormal> www.newark.com
[1:06] <niston> yeah but brasil (I take it) has some mad crazy import taxes
[1:07] <abnormal> of course
[1:07] <niston> this also applies to cars, as far as I know
[1:07] <abnormal> they the evil of a country
[1:07] * D-Boy (~D-Boy@unaffiliated/cain) has joined #raspberrypi
[1:08] <abnormal> you have to carry your own gun out in the open down there or you'd get mobbed.
[1:09] <pksato> Probable, if I import direct, pay less taxes or even none. But, need to wait 3 to 6 mouth to customs inspection.
[1:09] <abnormal> they not gunna make it in time for the Olympics.
[1:10] <niston> what about if somebody sends you a package?
[1:10] <niston> like, birthday gift?
[1:10] <niston> still 6 months holdup then?
[1:10] <abnormal> I'd take it out to yard and shoot it
[1:11] <seitensei> <abnormal> you have to carry your own gun out in the open down there or you'd get mobbed.
[1:11] <seitensei> sounds like Detroit
[1:11] <niston> lol
[1:11] <pksato> no exemption if is gift.
[1:11] <niston> i c
[1:11] <niston> or else, everything would be a gift I guess
[1:11] <niston> hehe
[1:11] <abnormal> you wish
[1:12] <seitensei> pksato: I take it there's some amount of smuggling via people who travel into/out of the country
[1:12] <seitensei> owo
[1:12] <niston> electronics --> in, coke --> out
[1:12] <niston> haha
[1:12] <seitensei> unless it's like Vietnam, in which they place "import taxes" on everything, including personal items owned by tourists
[1:12] <seitensei> yay corruption
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[1:13] * Bilby (~bgates@cpe-174-101-47-55.columbus.res.rr.com) has joined #raspberrypi
[1:13] <seitensei> Last time I went to visit family in Vietnam, the customs guy tried to exort about 50USD~ per electronic device in my bags
[1:14] <seitensei> including my arduino :x arduino isn't even worth that much
[1:14] <seitensei> Just imaging having to pay that 'tax' on Raspberry Pis
[1:15] * [SLB] (~slabua@unaffiliated/slabua) Quit (Read error: Connection reset by peer)
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[1:18] <pksato> On November I buy a radio on German site, one month to delivery. DHL.
[1:20] <abnormal> eww
[1:20] <abnormal> DHL sucks big time
[1:21] * ApolloJustice (~Apollo@unaffiliated/apollojustice) Quit (Ping timeout: 240 seconds)
[1:21] * koyal13 (~ayoze@86.Red-81-47-42.dynamicIP.rima-tde.net) Quit (Quit: Konversation terminated!)
[1:22] * scytale (~scytale@gateway/tor-sasl/scytale) Quit (Quit: Leaving)
[1:23] <pksato> and pay US$36 of taxes and other fees.
[1:28] * dj_pi (~dj@c-107-5-228-80.hsd1.mi.comcast.net) has joined #raspberrypi
[1:28] <ali1234> what is the relationship between PWM and audio hardware?
[1:28] <ali1234> i see this quote "The PWM pin available on the GPIO header is shared with the Audio system. This means that you can't use PWM output and play audio through the 3.5mm jack at the same time."
[1:28] <niston> pwm audio is worthless
[1:29] <ali1234> however, there are two different PWM outputs
[1:29] <ali1234> and they can be remapped to different pins
[1:29] <pksato> audio use PWM as DAC.
[1:29] <niston> you can't use the "audio" PWM channel for PWM when you're using it for audio
[1:29] <niston> you can however use the other PWM channel and play audio
[1:29] * bruxC (~bruxC@c-76-118-3-138.hsd1.ma.comcast.net) Quit (Read error: Connection reset by peer)
[1:30] <niston> or you can use both PWM channels and STILL play audio when you add audio hardware
[1:30] <willmore> i2s.
[1:30] <niston> or usb yes
[1:30] <pksato> hdmi
[1:30] <niston> indeed
[1:31] <niston> so it basically means, by default, one of the PWM channels is meant to play audio and thus wired to a 3.5mm jack socket.
[1:31] <ali1234> ugh
[1:32] <ali1234> actually according to the schematic, both PWM are used
[1:32] <ali1234> because its stereo
[1:32] <niston> ah :P
[1:32] * Gazpaxxo (~bizarro_1@160.Red-79-158-46.staticIP.rima-tde.net) Quit (Read error: Connection reset by peer)
[1:32] <niston> makes sense
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[1:32] <niston> so I stand corrected there.
[1:33] <niston> well sort of. you could play mono audio and use the other channel for PWM output :P
[1:33] <ali1234> yeah
[1:33] * jkridner (~jkridner@pdpc/supporter/active/jkridner) has joined #raspberrypi
[1:33] <niston> but you dont want PWM audio anyways.
[1:34] * Gazpaxxo (~bizarro_1@160.Red-79-158-46.staticIP.rima-tde.net) has joined #raspberrypi
[1:34] <ali1234> i don't care much about audio
[1:34] <ali1234> more interested in PWM
[1:36] <willmore> ali1234, ha-haw!
[1:36] <ali1234> the schematic isn't actually very clear
[1:36] <willmore> You found a schematic?
[1:36] <ali1234> PWM0_OUT isn't actually labelled anywhere else that i can see
[1:36] <ali1234> http://www.raspberrypi.org/wp-content/uploads/2012/10/Raspberry-Pi-R2.0-Schematics-Issue2.2_027.pdf
[1:36] <willmore> Ahh, model B.
[1:37] <ali1234> oh wait i see it
[1:37] <ali1234> GPIO40 and GPIO45
[1:37] <willmore> Have we gotten a full schematic for the B+, yet?
[1:37] <ali1234> no idea. it's all the same SoC anyway
[1:37] * Curly (~cybr1d@unaffiliated/cybr1d) has joined #raspberrypi
[1:37] * jkridner (~jkridner@pdpc/supporter/active/jkridner) Quit (Ping timeout: 255 seconds)
[1:37] * willmore wants to look at the power circuitry.
[1:38] <ali1234> true... that would be nice
[1:38] <niston> look at the CMIO schematics
[1:38] * Curly (~cybr1d@unaffiliated/cybr1d) Quit (Client Quit)
[1:39] <niston> it has the same PAMxxxx chip on it I think
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[1:40] <willmore> niston, at the B+ cool.
[1:40] * willmore is reading.
[1:41] <niston> the reverse polarity protection looks kinda funky
[1:41] * bruxC (~bruxC@c-76-118-3-138.hsd1.ma.comcast.net) has joined #raspberrypi
[1:41] <niston> maybe it does some other things too, I don't fully get it
[1:42] <willmore> niston, is that the trick with the MOSFET?
[1:42] * secrettriangle (~dan@gateway/tor-sasl/secrettriangle) has joined #raspberrypi
[1:43] <secrettriangle> Anyone here have node on their pi?
[1:43] * TheKlap (~kvirc@24.178.28.178) Quit ()
[1:43] <niston> willmore: http://www.ti.com/general/docs/lit/getliterature.tsp?baseLiteratureNumber=slva139&fileType=pdf
[1:43] <ali1234> the broadcom documentation has obvious mistakes in it :(
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[1:56] <ali1234> okay, looking at the USB driver now... it's OTG capable for sure, clue is in the name dwc_otg
[1:56] <ali1234> looks like the sense pin might be tied in hardware though
[1:56] <ali1234> sometimes you can software override that anyway
[1:56] <niston> on the CMIO?
[1:56] * Noldorin (~noldorin@unaffiliated/noldorin) has joined #raspberrypi
[1:56] <ali1234> on the raspberry pi
[1:56] <ali1234> model B anyway
[1:56] <ali1234> i don't know what a CMIO is
[1:57] <niston> kinda like an evaluation board for the compute module
[1:57] * taza (~taza@unaffiliated/taza) Quit ()
[1:57] <ali1234> ah okay, i do know what the compute module is
[1:57] <ali1234> the SoC for sure is capable of OTG, it says so in the released documentation
[1:58] <ali1234> so it's a question of how it is wired and what the driver allows
[1:58] * Htbrdd (~Htbrdd@irc.privateirc.com) has joined #raspberrypi
[1:58] <shiftplusone> the usb ports themselves are connected through a hub, so forget it.
[1:58] <niston> ah
[1:59] <niston> yeah the CMIO doesnt have that
[1:59] <shiftplusone> You can disconnect the hub and drop some 0ohm resistor in the magic spot to get around it though
[1:59] <niston> downside is, ethernet will be gone too
[1:59] <shiftplusone> yup
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[2:00] <shiftplusone> so you may as well just get an A+ if you want to play around with getting otg to work.
[2:01] <niston> shiftplusone: I can't find a supplier for the aluminum case for my project :(
[2:01] <shiftplusone> why's that?
[2:02] <niston> they all want me to order like 1k to 5k units min
[2:02] <niston> when all I want at first is like, ten,
[2:02] <niston> maybe 25
[2:02] <shiftplusone> are you looking to get something milled, cast or what?
[2:02] <niston> milled yeah
[2:02] <niston> and cutted I guess?
[2:03] <niston> the case I put my radio in. I want a "custom" version of that.
[2:03] <shiftplusone> Hmm... the way milling was explained to me is that you're really mostly paying for the machine time, so low quantity orders aren't really a problem.
[2:04] <niston> that's what I thought. also, laser cutters don't really require tooling, do they?
[2:04] <shiftplusone> where does laser cutting come in?
[2:04] <willmore> The model A's don't have that, either.
[2:04] <niston> cutting aluminium parts
[2:04] <shiftplusone> hm O_o
[2:04] <niston> like base, cover and backplate
[2:04] <nitri1> anyone know how to reset the gpu if memorey was not freed properly? (without hardware reboot)
[2:05] <willmore> (the hub to get in the way of OTG, that is... Sorry, lagged...
[2:05] <shiftplusone> nitri1, that's not a thing.
[2:05] <nitri1> shiftplusone: ?
[2:06] <shiftplusone> nitri1, it's like asking how to free all the memory used by the linux kernel without restarting while continuing to run your program.
[2:06] <niston> shiftplusone: I know nothing about industrial design or working metals for that matter. so I might be wrong.
[2:07] <niston> I know that you can't solder aluminum without special solder/flux... that's about it :P
[2:07] <nitri1> shiftplusone: no, i don't need to conitnue running the program
[2:07] <shiftplusone> nitri1, yes you do.
[2:07] <shiftplusone> niston, I can ask around. A few people in the office have experience with aluminium cases. (Slice for example)
[2:08] <niston> shiftplusone: I think ATI windows drivers let you restart the GPU
[2:08] <niston> mebbe nitri1 is referring to a similar thing on the berrypi ?
[2:08] <shiftplusone> the pi's GPU is a different beast.
[2:08] <niston> shiftplusone that would be nice of you
[2:08] <shiftplusone> it's required for the correct operation of everything else (for the most part)
[2:08] <ali1234> the pi's GPU isn't just a GPU
[2:08] <niston> I should really buy you a beer one day
[2:09] <shiftplusone> woo... free beer!
[2:09] <niston> hmm so the answer to nitri1's question would be to reset the entire board then, I guess
[2:09] <nitri1> shiftplusone: it has been done, it is mentioned in a comment on the blog about implementing sha256 on the gpu
[2:09] <shiftplusone> nitri1, linky-link?
[2:09] <niston> lol bitcoin mining on a raspberry pi? :P
[2:09] * Tachyon` is now known as Tach[Zzz]
[2:10] <ozzzy> niston, works fine if you're not in a hurry
[2:10] <ozzzy> mind you, so does a paper and pencil
[2:10] <niston> ozzzy: yeah, If you wanna play the galactic lottery
[2:10] <niston> I mean, you MIGHT get lucky.
[2:10] <shiftplusone> ah, that paper and pencil article was interesting
[2:10] <ozzzy> did you see that youtube of the guy showing how to bitmine with graph paper and a pencil?
[2:10] <ozzzy> good video
[2:10] <ozzzy> er... bitcoin mine
[2:11] <shiftplusone> ah yeah, video... I thought it was a write-up... or maybe he did both.
[2:11] * DrBrownBear (~DrBrownbe@gateway/vpn/privateinternetaccess/drbrownbear) has joined #raspberrypi
[2:11] <ozzzy> probably both
[2:11] <ozzzy> I only saw the video... was fascinating in an odd way
[2:11] <niston> pencil/paper approach hmm
[2:11] <shiftplusone> same
[2:11] <ali1234> why do you need graph paper?
[2:11] <nitri1> shiftplusone: https://rpiplayground.wordpress.com/2014/05/21/hacking-the-gpu-for-fun-and-profit-pt-4
[2:11] <ozzzy> it takes a while
[2:11] <ozzzy> ali1234, to keep the numbers all in the right place I guess
[2:11] <nitri1> nitri1: there it mentions that they did an enable/disable gpu while the program was running
[2:11] <niston> is there even a chance you COULD mine a valid block with that?
[2:12] <ozzzy> niston, it's just math
[2:12] <niston> isn't it just too slow?
[2:12] <ozzzy> well... it would take a while
[2:12] <niston> there's new TXes all the time
[2:12] <nitri1> shiftplusone: if a program forgot to call *_release.. the GPU mailbox must have a way to release it back
[2:12] <ali1234> doesn't matter. there's still a none zero chance you pick the right nonce on the first try
[2:12] <niston> yup
[2:13] <niston> galactic lottery
[2:13] <shiftplusone> nitri1, I'm not sure I would read into that comment as anything credible or in any way implying that the memory was reset.
[2:14] * spybert (~spybert@c-50-173-18-125.hsd1.ca.comcast.net) has left #raspberrypi
[2:14] <nitri1> shiftplusone: are you saying that if a program dies with a segfault the kernel driver has no way of telling the GPU to release the memory?
[2:14] <shiftplusone> nitri1, to put it into perspective, there's an OS running on the GPU, with it's own drivers. Imagine resetting all the states randomly without re-initialising everything properly. It's just not designed to be used that way.
[2:14] <shiftplusone> nitri1, nope, that's not what I'm saying
[2:14] <shiftplusone> there should be some way to get the handles to release them
[2:14] * ozzzy is trying to get rid of his handles
[2:14] <shiftplusone> maybe vcmem, vcdbg or vcgencmd might provide the relevant information.
[2:15] * ukgamer is now known as ukgamer|away
[2:16] <nitri1> shiftplusone: how about calling qpu_enable(mb,0) and qpu_enable(mb,1) (from hello_fft/mailbox.c)
[2:17] <shiftplusone> nope, the OS runs on the VPUs
[2:17] <shiftplusone> What are you doing anyway?
[2:17] <nitri1> shiftplusone: well, I am really interested only in the QPUs
[2:17] <ali1234> nitri1: you should ask in #raspberrypi-internals
[2:17] <shiftplusone> If it's something cool, the people at pi towers are more than happy to provide support, I think. If you can describe the problem you're facing, I can ask around.
[2:18] <nitri1> shiftplusone: I wrote a little library and program that allows any program that is written for fftw3 to run using the gpu ffts
[2:18] <nitri1> without changing source code or recompiling
[2:19] <nitri1> it works well, but if the program misbehaves for some reason I need to free
[2:19] <nitri1> the resources at exit or segfault
[2:20] <ali1234> this is a fairly common problem of all GPUs
[2:20] <ali1234> if you write a bad shader you are screwed, there's no way to stop it. not on nvidia, not on AMD, not on anything afaik
[2:20] <shiftplusone> nitri1, are you going to hang around the channel over the next few days?
[2:20] <nitri1> shiftplusone: yes, I can do that
[2:21] <shiftplusone> k
[2:21] <nitri1> you can try the alpha version (it's working) http://github.com/gpu-fftw/gpu_fftw
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[2:22] <niston> ali1234: I played with a neural network library (forgot the name) that had the ability to run on GPU. when it crashed occasionally, the ATI driver would restart the GPU.
[2:23] <ali1234> i've seen fglrx claim to have reset the GPU
[2:23] <ali1234> it normally results in a full system lockup a few minutes later
[2:23] <nitri1> ali1234: on the pi?
[2:23] <ali1234> no, because the pi doesn't use fglrx...
[2:23] <shiftplusone> one of the reasons we don't have kexec working properly on the pi is exactly this problem.
[2:23] <shiftplusone> we can't get the GPU to a clean state, so when kexec boots the new kernel, all the GPU stuff is broken.
[2:24] * Prime326 (~evany@pool-71-161-209-45.burl.east.myfairpoint.net) has joined #raspberrypi
[2:24] * shiftplusone ponders implementing kexec from the firmware side.
[2:25] <ali1234> it wouldn't be kexec then
[2:25] <nitri1> The os that runs on the gpu must have some way of reseting the memory allocation
[2:25] <shiftplusone> as long as it behaves like kexec...
[2:25] <ali1234> by that definition, overwriting the kernel on /boot and then hard reseting is kexec
[2:26] <shiftplusone> er... that's a bit destructive.
[2:26] * hyperair (~hyperair@ubuntu/member/hyperair) Quit (Ping timeout: 245 seconds)
[2:26] <ali1234> but it works
[2:26] <shiftplusone> but... it's not practical.
[2:27] <ali1234> it's what the boot switcher on N900 used to do until we got uboot working
[2:27] <nitri1> what does the firmware do to reset the GPU?
[2:27] * spybert (~spybert@c-50-173-18-125.hsd1.ca.comcast.net) has joined #raspberrypi
[2:27] <nitri1> (or does it simply rely on a power cycle?)
[2:27] <ali1234> nobody knows what the firmware does outside broadcom
[2:28] <ali1234> it uses a proprietary ISA that is barely understood
[2:28] <shiftplusone> I'm thinking more like loading a kernel and initrd to memory, stopping the ARM, moving the kernel and all that to the correct location and starting the ARM again. That should behave exactly like kexec, no?
[2:28] <niston> not sure if I may mention hermanhermitage's work here?
[2:28] <shiftplusone> niston, yes, of course. He's awesome.
[2:29] <niston> there's some reverse engineering going on there: https://github.com/hermanhermitage/videocoreiv/wiki/Getting-started
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[2:29] <shiftplusone> Was
[2:29] <niston> he gave up?
[2:29] <shiftplusone> after getting the instruction sets mostly figured out, he seems to have lost interest.
[2:30] <shiftplusone> But there's enough out there to do serious work on the various GPU processors.
[2:30] <ali1234> there's a few others working on it. they all hang out at #raspberrypi-internals - which is why i said to ask there :)
[2:30] <nitri1> niston: yes, Ive read that
[2:31] <niston> ah the channels :)
[2:31] <ali1234> shiftplusone: that would work like kexec, but you'd still have the problem with dirty hardware state
[2:31] <ali1234> if you can fix that on firmware side, then normal kexec would just work
[2:32] <shiftplusone> ali1234, how so? As far as linux is concerned, it has a clean slate and as far as the firmware is concerned, it's just doing what it was doing.
[2:32] <shiftplusone> hm
[2:32] <ali1234> well i don't know exactly what the problem is to begin with
[2:32] <ali1234> but it sounds like the problem is that the GPU isn't in power on state -> the kernel gets confused
[2:32] <shiftplusone> you may be right... well, I know what I'll be doing over the weekend >.>
[2:33] <ali1234> if you don't care about hardware then kexec should work
[2:33] <ali1234> you might find if you disable absolutely all hardware drivers except uart, kexec does work, and you can access the console
[2:34] <ali1234> cos the miniuart seems to be exclusive to the ARM, and probably is simple enough that hardware state is irrelevant
[2:34] <shiftplusone> linux itself works fine with kexec, it's just that the vchiq stuff gets broken so you lose communications between the firmware and linux.
[2:34] <ali1234> right, that's what i thought
[2:34] <shiftplusone> https://github.com/raspberrypi/linux/issues/27
[2:35] <shiftplusone> I filed that way back in the day, heh.
[2:37] <ali1234> these phone SoCs and their crazy architectures...
[2:38] <shiftplusone> aye
[2:38] <ali1234> reversing the qualcomm stuff was just the same
[2:39] <ali1234> except there the split was more equal... either side could mmap things
[2:39] <ali1234> they still got out of sync all the time though
[2:39] <shiftplusone> How's that different on the pi?
[2:39] <daynaskully> greetings - wondering if someone might help me get my wifi adapter working (AWLL6075) -- it's showing up as a usb device and the mac address shows up; but somereason it wont connect
[2:39] <ali1234> from what i understand the proprietary side on the pi is a lot more restrictive
[2:40] <ali1234> in the old qualcomm chips you just had two ARM cores connected to the same system bus, it was up to the developer to prevent them from stomping each other
[2:41] <ali1234> as i understand it, the pi GPU gets a veto when the ARM core tries to access hardware
[2:41] <shiftplusone> It is my understanding that the same applies to the pi, but they provide a mailbox interface to allocate and map gpu memory safely, letting you use it from the ARM without worrying too much about what the firmware does in the background.
[2:42] <shiftplusone> but as far as the peripherals memory, you can poke pretty much all the registers freely.
[2:42] <ali1234> right, the GPU reads from the mailbox and can say no... afaik
[2:43] <shiftplusone> well, it can, but doesn't without a good reason.
[2:43] * Bilby (~bgates@cpe-174-101-47-55.columbus.res.rr.com) Quit (Ping timeout: 276 seconds)
[2:43] <ali1234> where "good reason" is not defined :)
[2:43] <shiftplusone> and surely you can mmap any part through /dev/mem, it's just that the firmware can trample it because it's not aware of what you're doing.
[2:44] <ali1234> not necessarily, but i don't know for sure (for obvious reasons)
[2:44] <shiftplusone> then there's DMA which definitely gives you free reign.
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[2:47] <ali1234> as weird as the architecture is.... it does work
[2:48] <ali1234> qualcomm chips never got good support for anything but kang'd roms
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[2:53] <niston> "better call saul" premiere soon :D
[2:54] <niston> althought I'd really have loved to see a series about jesse pinkman :>
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[3:19] <tblake3> I need help remembering how to bash script... "for i in *.mp4 do echo $i done" should list every mp4 file in a directory... but it doesn't. What am I missing?
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[3:19] <ali1234> semicolons?
[3:19] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) has joined #raspberrypi
[3:20] <ali1234> also it won't work properly if you have filenames with spaces
[3:21] <tblake3> No files names with spaces. How would I type that in one line and make it work?
[3:22] <Riviera_> ls *.mp4 or printf '%s\n' *.mp4 or for i in *.mp4; do printf '%s\n' "$i"; done I often find it useful to prefix the pattern with ./ as in ./*.mp4
[3:24] <tblake3> To be fair, the end goal isn't actually to list mp4's in a directory. I am converting them using ffmeg from one format to another. I was just starting with echo to make sure I had the formatting of the do loop right.
[3:24] <ali1234> find -maxdepth 1 -iname #*.mp4' -exec echo {} \;
[3:24] <ali1234> find -maxdepth 1 -iname '*.mp4' -exec echo {} \;
[3:25] <Riviera_> Because -print isn't good enough, eh. 8)
[3:25] <ali1234> well if you want to run some other command
[3:26] <Riviera_> okay, good point :)
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[3:33] <tblake3> Got that part figured out. Thanks to Riviera's do with appropriately placed semicolons. Now, is there a quick and easy un-rm command?
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[3:36] <ali1234> looking at the compute module schematic... it brings out USBOTGID onto the connector which means you can choose which mode you want for it
[3:37] <ali1234> so it's just a question of whether you can override that pin
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[3:53] <ali1234> ah-ha... the driver can be compiled for host-only or peripheral-only modes
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[3:56] <ali1234> /sys/devices/platform/bcm2708_usb/mode tells you the current mode but is read-only
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[4:40] <ali1234> https://github.com/raspberrypi/linux/blob/rpi-3.18.y/drivers/usb/host/dwc_otg/dwc_otg_regs.h#L297
[4:41] <ali1234> theoreticaly this register can be written from the sysfs interface
[4:44] <daynaskully> is it at all curious that out of 4 usb ports on the pi; only one of them will work with my wifi dongle
[4:44] <ali1234> yes
[4:44] <daynaskully> would that be more related to hardware or software you think/
[4:45] <ali1234> hardware
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[5:29] <secrettriangle> Anyone here have node on their rpi?
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[5:39] <seitensei> secrettriangle: i do
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[5:40] <secrettriangle> seitensei: mind a PM?
[5:40] * giddles (~i@unaffiliated/giddles) Quit (Quit: .)
[5:41] <seitensei> secrettriangle: Something that can't be discussed here?
[5:41] <secrettriangle> No problem, just don't want to bother the main channel with it
[5:41] <seitensei> If it's related to the rpi, someone else could benefit from it
[5:42] <secrettriangle> Well, can you help me test something? I don't have an rpi so I can't test how fast it is on an rpi
[5:42] <seitensei> sure
[5:43] <secrettriangle> seitensei: OK, so I'm writing a text editor and people with rpis reported slowness, so I'm trying to improve the speed
[5:43] <secrettriangle> seitensei: (sudo) npm install -g slap, that's the current, slow, version
[5:44] <secrettriangle> Run like `slap file.c`
[5:44] * Moshin (~bangboom@udp000088uds.hawaiiantel.net) has joined #raspberrypi
[5:44] <secrettriangle> The fast branch: `sudo npm install -g secrettriangle/slap#text-buffer`
[5:44] * lazy_prince (~killer_pr@122.172.217.210) Quit (Ping timeout: 245 seconds)
[5:44] <secrettriangle> Should work the same, just faster
[5:45] <secrettriangle> Wondering by how much
[5:46] * Rootert (~Rootert@54694E34.cm-12-2b.dynamic.ziggo.nl) Quit (Ping timeout: 264 seconds)
[5:46] <secrettriangle> So, seitensei, can you do that?
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[5:46] <seitensei> Yeah. Is there a github repo I can see?
[5:47] <secrettriangle> seitensei: https://github.com/slap-editor/slap
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[5:51] <seitensei> secrettriangle: yep, it's pretty slow, even over ssh
[5:51] <secrettriangle> seitensei: the old version?
[5:51] <seitensei> ssh/cli without a de
[5:51] <seitensei> yeah
[5:51] <secrettriangle> OK, try with the new version
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[6:06] <Theorist> powering items which draw small amounts of current such as multi channel relay boards from the pis 5v pins, whats the verdict?
[6:07] <Theorist> burnt pi or tasty pi
[6:09] <hybr1d8> as long as draw is low and the power supply is decent it should be fine
[6:09] <hybr1d8> Have done that sort of thing myself in the past without issue
[6:10] <ShorTie> 'small amounts of current' is not adaquitly defined to answer that
[6:10] <seitensei> secrettriangle: new one just doesn't work at all
[6:10] <seitensei> module.js:340 throws err- can't find module 'text-buffer'
[6:13] * seitensei is now known as stnsi|sleep
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[6:17] <secrettriangle> stnsi|sleep: you still there? trying to figure out why it works here but not on my VPS
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[6:29] <secrettriangle> stnsi|sleep: if you're still around, try again, I fixed it (I had `text-buffer` installed via `npm ln` so it was global)
[6:30] <secrettriangle> Works a lot faster on my VPS, curious to see how a pi can hold up
[6:30] * t0mab (~t0mab@stakhanov.u-strasbg.fr) Quit (Remote host closed the connection)
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[6:44] * eatyourguitar (~User@pool-72-87-122-75.prvdri.fios.verizon.net) has joined #raspberrypi
[6:45] <[Saint]> *|sleep is likely a fairly decent indicator of presence I would posit
[6:45] <secrettriangle> Yeah :/
[6:45] <secrettriangle> Anyone have node on their rpi?
[6:45] <abnormal> node?
[6:46] <secrettriangle> NodeJS
[6:46] <abnormal> what does it do?
[6:46] <secrettriangle> abnormal: it's a programming language
[6:47] <abnormal> oh, ok.. then I have not done it...
[6:47] <secrettriangle> OK
[6:47] <abnormal> maybe [Saint] has, but you have to ask him
[6:49] <[Saint]> I wouldn't touch NodeJS if I was paid to.
[6:50] <[Saint]> And several people have tried to do so.
[6:50] * hubutm20 (~hubutm20@79.114.15.189) has joined #raspberrypi
[6:50] <abnormal> for what purpose do they use it for?
[6:51] <ShorTie> is this not all speculation both for us and you `I don't have an rpi` ??
[6:51] * eatyourguitar (~User@pool-72-87-122-75.prvdri.fios.verizon.net) Quit (Quit: Leaving)
[6:51] * Moshin (~bangboom@udp000088uds.hawaiiantel.net) has joined #raspberrypi
[6:52] <[Saint]> many things. primarily easily scalable server-side apps.
[6:52] <secrettriangle> I'm using NodeJS for a CLI text editor
[6:52] <abnormal> I see...
[6:52] <abnormal> on a pi?
[6:53] <secrettriangle> abnormal: I know some people that use it on an rpi, yes
[6:53] <abnormal> or in another computer?
[6:53] <abnormal> ok
[6:53] <secrettriangle> I use it on my VPS :P
[6:53] <abnormal> what benefit is of node
[6:53] <[Saint]> I imagine NodeJS would suck quite massively on a Pi.
[6:54] * NedScott (~nedscott@kodi/staff/nedscott) has left #raspberrypi
[6:54] <secrettriangle> Well, I'd love to find out
[6:54] <[Saint]> cross platform, scaleable, event driven, etc.
[6:54] * ShorTie thinkz, buy a pi then and try it
[6:54] <abnormal> too slow, or incompatible?
[6:54] <[Saint]> the former.
[6:54] <abnormal> ahh...
[6:55] <[Saint]> Its fairly resource intensive.
[6:55] <abnormal> hmmm don't want that
[6:55] <secrettriangle> Nah, NodeJS is extremely fast
[6:55] <simiuskong> You sure the bottleneck isn't the IO on the sd card?
[6:56] <simiuskong> With whatever it is you're doing?
[6:56] <secrettriangle> simiuskong: you're asking me?
[6:57] <secrettriangle> I'm pretty sure the problem was with my implementation of a text buffer
[6:57] <abnormal> looks like it
[6:57] * skyroveRR (~skyroveRR@unaffiliated/skyroverr) Quit (Read error: Connection reset by peer)
[6:57] <secrettriangle> I'm using Github Atom's text buffer which is a lot faster on my VPS, wondering if it's more or less usable on an rpi
[6:57] * xxValiumxx (~xxValiumx@c-67-182-160-118.hsd1.ca.comcast.net) Quit (Ping timeout: 240 seconds)
[6:58] <abnormal> well you are the new tester now...
[6:58] <secrettriangle> Except I don't have an rpi :P
[6:58] <[Saint]> I'm not sure I'd be too willing to call NJS 'extremely fast'
[6:58] <abnormal> lol
[6:58] * ShorTie thinkz, buy a pi then and try it
[6:58] * xxValiumxx (~xxValiumx@c-67-182-160-118.hsd1.ca.comcast.net) has joined #raspberrypi
[6:58] <[Saint]> and resource intensive != slow, fwiw
[6:59] <[Saint]> just...hungry
[6:59] <abnormal> what are you using NodeJS on now?
[6:59] <[Saint]> [29:01:15 18:52:25] <secrettriangle> I'm using NodeJS for a CLI text editor
[6:59] <ShorTie> talking about troll'n, lol.
[6:59] <secrettriangle> NodeJS is within an order of magnitude of C: http://benchmarksgame.alioth.debian.org/u32/compare.php?lang=v8&lang2=gcc
[7:00] <abnormal> what are you using NodeJS on now?
[7:00] <[Saint]> Do we need to go for a third time?
[7:01] <abnormal> must be
[7:01] <abnormal> dunno
[7:01] <secrettriangle> Anyway
[7:01] <secrettriangle> Does anyone here have node on their rpi?
[7:01] <[Saint]> I'm talking to you, its been answered twice. Once by OP, and once repeated by me.
[7:01] <[Saint]> We can try for three if you want.
[7:03] <abnormal> well I'll give secrettriangle a hint: look in www.raspberrypi.org and in the forums
[7:03] <secrettriangle> abnormal: thanks, will do
[7:03] <abnormal> yw
[7:03] <[Saint]> That doesn't really answer his question.
[7:04] <[Saint]> s/really//g
[7:04] * v0lt_ (~textual@unaffiliated/v0lt/x-7782577) Quit (Quit: gone)
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[7:08] * jlf (~user@pdpc/supporter/active/jlf) Quit (Remote host closed the connection)
[7:09] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) Quit (Read error: Connection reset by peer)
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[7:09] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) has joined #raspberrypi
[7:09] <abnormal> well I'm sorry it does not please you... at least I directed him to an area where maybe someone has some experience in that field...
[7:11] * jlf (~user@pdpc/supporter/active/jlf) has joined #raspberrypi
[7:15] <abnormal> and if it is true, he may have been looking for someone who has done it to see if it was worth buying the pi in first place..
[7:15] <abnormal> since he stated he don't have one yet...
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[8:12] * [sk]Ray (~quassel@71-95-197-158.static.mtpk.ca.charter.com) Quit (Read error: Connection reset by peer)
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[8:59] * _BigWings_ (~Thunderbi@modemcable167.12-130-66.mc.videotron.ca) Quit (Ping timeout: 246 seconds)
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[11:10] * PiPower (~PiPower@kulnet-nat-2.kulnet.kuleuven.be) has joined #raspberrypi
[11:10] <PiPower> Hello
[11:10] <PiPower> How can the Pi be overclocked above 1500MHz?
[11:10] * ukgamer|away is now known as ukgamer
[11:11] * skyroveRR (~skyroveRR@unaffiliated/skyroverr) has joined #raspberrypi
[11:11] <PiPower> I can hit 1500MHz with 1.65V but I think there is potential to go higher
[11:11] <ShorTie> Y 4 U want to do that and void any warrenty ??
[11:11] <PiPower> Experiment
[11:12] <PiPower> Actually, the warranty bit is unset, since the pi is set to overvolt 0 and the core voltage is supplied externally :)
[11:12] <PiPower> 1.75V, sorry
[11:12] <ShorTie> basicaly, using anything other then what is in raspi-config sets a non-resetable bit
[11:14] <PiPower> Untrue, from raspi forum: The warranty void condition is (force_turbo || current_limit_override || temp_limit>85) && over_voltage>0
[11:14] <PiPower> since over_voltage is 0 in my config it doesn't set the bit
[11:14] <ShorTie> might be better to get a different board now before you smoke the pi, but that is just mho
[11:14] * pksato (~PEBKAC@unaffiliated/pksato) has joined #raspberrypi
[11:15] <PiPower> but of course I will not try returning it (it is already damaged so it doesn't really matter if it dies)
[11:15] <ShorTie> but to tell you the truth, i'm really of no help because the most i push it is turbo mode
[11:20] * ech0s7 (~ech0s7@93-42-6-31.ip84.fastwebnet.it) Quit (Quit: Sto andando via)
[11:26] <poolson> they are cheap
[11:26] <poolson> so no big deal
[11:26] <poolson> hey i have these nrf24l01 modules that i was using on a pi
[11:26] <poolson> now on a banana pi
[11:26] <poolson> and i cant seem to send anything with them ... receive is ok tho
[11:26] <poolson> any thoughts about thwats going on?
[11:27] <poolson> whats going on ?
[11:28] * patteh (~patteh@unaffiliated/patteh) has joined #raspberrypi
[11:28] <ShorTie> sorry, got me, never used 1 before
[11:28] <ShorTie> did you check the forums ??
[11:29] * patteh (~patteh@unaffiliated/patteh) Quit (Remote host closed the connection)
[11:29] * patteh (~patteh@unaffiliated/patteh) has joined #raspberrypi
[11:30] <ShorTie> maybe goto google and try 'nrf24l01 site:raspberrypi.org'
[11:30] <poolson> well yeah
[11:31] <poolson> theres some crap here or there
[11:31] <poolson> was looking for anything else
[11:31] <ShorTie> stuff*
[11:31] <ShorTie> read the topic much ??
[11:31] * c00ljs (~c00ljs@201.76.171.30) has joined #raspberrypi
[11:32] <poolson> never. you?
[11:32] * patteh (~patteh@unaffiliated/patteh) Quit (Client Quit)
[11:33] * patteh (~patteh@unaffiliated/patteh) has joined #raspberrypi
[11:33] <ShorTie> Yuppers ... :)
[11:33] <ShorTie> want to try ??
[11:34] <poolson> nope
[11:36] <ShorTie> hmmm, /topic #raspberrypi poolson You're not a channel operator
[11:36] <poolson> forget about it dude
[11:36] * ChanServ sets mode +o ShorTie
[11:36] <ShorTie> na
[11:36] * ShorTie changes topic to 'poolson'
[11:37] <ShorTie> blaa
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[11:46] <qubitnerd> wtf
[11:48] * Tach[Zzz] is now known as Tachyon`
[11:49] * ShorTie changes topic to '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'
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[12:08] * ShorTie sets mode -o ShorTie
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[13:21] <Gadgetoid__> Has anyone run into problems with Python-Spidev against the new DT 3.18+ Kernel?
[13:22] <ShorTie> not i, but i don't use it, but i do believe it does have problems
[13:22] <ShorTie> somekind of ioctl thingy
[13:23] * thor77 (~thor77@2a00:f48:1003:1::2d12:dbaa) has left #raspberrypi
[13:23] * protomouse (~protomous@burai.protomou.se) Quit (Client Quit)
[13:23] <ShorTie> might try reading spidev.h
[13:24] <Gadgetoid__> Am I going bonkers, or has spidev.h gone? https://github.com/raspberrypi/linux/tree/rpi-3.18.y/include/linux/spi
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[13:24] <Gadgetoid__> Yeah, it's an ioctl nightmare
[13:24] * arrakian is now known as facedancer
[13:24] <Gadgetoid__> It definitely has problems, not helped at all by the fact python-spidev isn't well maintained
[13:24] <ShorTie> it's still there, try 'locate spidev.h' maybe
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[13:27] <Gadgetoid__> Sneaky header
[13:30] * qubitnerd (~neutrino@unaffiliated/electron/x-8286743) Quit (Ping timeout: 252 seconds)
[13:31] * lupinedk is now known as Lupinedk
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[13:32] * ShorTie could only learn howto spell
[13:32] <ShorTie> 'smathost' doesn't work to well for 'smarthost'
[13:32] <ShorTie> Laughs Out Loud
[13:33] <Gadgetoid__> Better than smuthost!
[13:33] * shum (~sdothum@207.112.100.227) has joined #raspberrypi
[13:33] <ShorTie> isn't diff a wonderfull utility
[13:34] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) has joined #raspberrypi
[13:35] <Gadgetoid__> Hurrah, working SPI
[13:35] * facedancer is now known as arrakian
[13:35] <ShorTie> Cool
[13:36] <ShorTie> good job
[13:37] * NullMoogleCable (~NullMoogl@cpe-74-74-136-123.rochester.res.rr.com) Quit (Ping timeout: 246 seconds)
[13:38] <Gadgetoid__> Hurrah, broke it again!
[13:38] * protomouse (~protomous@burai.protomou.se) Quit (Ping timeout: 245 seconds)
[13:38] <ShorTie> bad boy, lol.
[13:38] * ponA (~Miranda@HSI-KBW-134-3-94-90.hsi14.kabel-badenwuerttemberg.de) Quit (Read error: Connection reset by peer)
[13:39] <Gadgetoid__> Just confirming a recent pull-request is necessary
[13:39] * leichtgewicht (~leichtgew@p32075-ipngnfx01osakakita.osaka.ocn.ne.jp) Quit (Read error: Connection reset by peer)
[13:39] <ShorTie> oh
[13:40] <Gadgetoid__> Means I'll have to forsake spidev in pypi and make my own package
[13:40] <ShorTie> well atleast it should be easy fix
[13:41] * shum (~sdothum@207.112.100.227) Quit (Quit: WeeChat 1.1.1)
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[13:41] * poolson (~dddd@c-24-17-73-220.hsd1.wa.comcast.net) Quit (Ping timeout: 256 seconds)
[13:41] * yohnnyjoe (~yohnnyjoe@c-69-251-73-211.hsd1.md.comcast.net) Quit (Quit: My Mac has gone to sleep. ZZZzzz…)
[13:42] <ShorTie> if not in real hurry, i'd give it some time to see what works thru the grape vines, but atleast for now you can play
[13:42] * shum (~sdothum@207.112.100.227) has joined #raspberrypi
[13:42] <Gadgetoid__> Appears so, take charge!
[13:42] <Gadgetoid__> I think I'll probably have to take charge of this Python package, or it'll change glacially slowly
[13:43] <Gadgetoid__> Last upload to pypi was 2012!
[13:43] <ShorTie> interesting, rpi-clone doesn't like NOOBS
[13:43] <gordonDrogon> I have working spi too.
[13:43] <Gadgetoid__> gordonDrogon, that's with wiringPi?
[13:43] <gordonDrogon> yes
[13:44] <Gadgetoid__> Aye I thought you would!
[13:44] <gordonDrogon> it was broke until yesterday though.
[13:44] * shum (~sdothum@207.112.100.227) Quit (Client Quit)
[13:44] <gordonDrogon> well - brown in 3.18. fine in 3.12
[13:44] <gordonDrogon> *brok
[13:44] <gordonDrogon> e
[13:44] <Gadgetoid__> I rely on the Python-spidev module specifically for stuff like Display-o-Tron
[13:44] * shum (~sdothum@207.112.100.227) has joined #raspberrypi
[13:44] <gordonDrogon> make sure it zeros the structure if using ioctl access.
[13:44] <Gadgetoid__> Yeah the change to API was in 3.15 I think, so those are both sides of the coin
[13:44] <gordonDrogon> wiringPi wasn't - neither was(is) the demo program in the kernel Docs )-:
[13:45] <Gadgetoid__> Ha!
[13:45] <gordonDrogon> but the header suggests you need to zero the structure.
[13:45] <gordonDrogon> standard read/writes are fine - but obviously one-way data xfers.
[13:45] <Gadgetoid__> What does that even meeaan! Haha
[13:46] <Gadgetoid__> I'm running on luck and random chance here ;)
[13:46] <gordonDrogon> if you open the /dev/spi... then use read/write then it's fine.
[13:46] <gordonDrogon> but if you want to do a simultaneous write/read over the SPI bus - to e.g. send a command to an ADC and read the data back then you need to use the opctl method.
[13:46] <gordonDrogon> *ioctl
[13:47] <Gadgetoid__> There's a slightly better maintained pure Python SPI library I should probably look into also
[13:47] <Gadgetoid__> Oh Python-spidev is using the ioctl method
[13:47] <Gadgetoid__> The stuff I'm doing is write-only anyway
[13:47] * yohnnyjoe (~yohnnyjoe@c-69-251-73-211.hsd1.md.comcast.net) has joined #raspberrypi
[13:48] <gordonDrogon> you might as well just open the /dev/spi.. device and use write() on it then
[13:48] * Macuser (~textual@unaffiliated/macuser) Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
[13:48] * rigid (~rigid@unaffiliated/rigid) Quit (Quit: NO WINE, NO WIFE, NO CARRIER)
[13:49] * niston is making hot dogs
[13:49] * shum (~sdothum@207.112.100.227) Quit (Client Quit)
[13:49] <niston> o nom nom
[13:49] <Gadgetoid__> gordonDrogon, I'll look into that!
[13:49] * shum (~sdothum@207.112.100.227) has joined #raspberrypi
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[13:49] <Gadgetoid__> Thanks!
[13:50] <gordonDrogon> hm/ bread.
[13:50] <Gadgetoid__> Lots of guides for using spidev though, hmm
[13:50] * rcombs (~rcombs@rcombs.me) Quit (Ping timeout: 245 seconds)
[13:50] <Gadgetoid__> If it doesn't get updated, lots of stuff is going to suddenly and unexpectedly break
[13:51] * t0x0sh (~tosh@t0x0sh.org) Quit (Quit: leaving)
[13:51] <Gadgetoid__> So I figure I'll make an identical package with fixes, and just recommend it as a drop-in replacement
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[14:00] * Aldem|AFK is now known as Aldem
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[14:07] <Gadgetoid__> Hmm, odd
[14:07] * t0x0sh (~tosh@t0x0sh.org) Quit (Client Quit)
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[14:31] * ch007m (~chm@ip-213-49-111-125.dsl.scarlet.be) Quit (Ping timeout: 252 seconds)
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[14:33] * ch007m (~chm@ip-83-134-181-198.dsl.scarlet.be) has joined #raspberrypi
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[14:36] <Gadgetoid__> Pure Python SPI is horribly, horribly slow
[14:37] * teff_ (~teff@181.24.199.146.dyn.plus.net) Quit (Ping timeout: 264 seconds)
[14:37] * simiuskong (~simiuskon@nyc.tunnelr.com) Quit (Remote host closed the connection)
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[14:41] <ShorTie> interesting, any body else notice that 3.18.4+ brings the screen back to life on it's own ??
[14:42] * simiuskong (~simiuskon@nyc.tunnelr.com) Quit (Ping timeout: 245 seconds)
[14:44] * PiZZaMaN2K is now known as PiZZaMaN2K|away
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[14:52] <pgpgpg> Hello, can someone help me with this? http://pastebin.com/Y9W1jjHQ (FYI I'm using a B+ if it can helps)
[14:52] <ppq> pgpgpg, well, have you tried apt-get -f install?
[14:53] <ShorTie> don't forget the sudo part
[14:54] <pgpgpg> damn it's because I typed "sudo apt-get update -f install" that it was not working
[14:54] <pgpgpg> looks like it's fixing the problem
[14:55] <ShorTie> ok, me sorry
[14:55] * SirLagz (~SirLagz@ppp174-176.static.internode.on.net) Quit (Ping timeout: 245 seconds)
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[14:59] <pgpgpg> brb
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[15:16] * Slippern (~Slippern@76.109-247-208.customer.lyse.net) Quit (Ping timeout: 264 seconds)
[15:18] * Bilby (~bgates@cpe-174-101-47-55.columbus.res.rr.com) has joined #raspberrypi
[15:19] * StrawMachie (4fb294b5@gateway/web/freenode/ip.79.178.148.181) has joined #raspberrypi
[15:19] <StrawMachie> Hi
[15:19] <StrawMachie> I need help
[15:19] <Bilby> most of us do, in one way or another.
[15:19] <StrawMachie> Connecting raspberry pi with laptop
[15:19] <StrawMachie> I don't know what is the problem
[15:20] <StrawMachie> There is no inner address and raspberry pi cannot ping laptop neither laptop and when i connected raspberry pi to router it worked fine
[15:20] * designbybeck__ (~designbyb@x172y117.angelo.edu) has joined #raspberrypi
[15:20] <StrawMachie> But I want to make only 2 connections(laptop with rasppberry)
[15:20] * Slippern (~Slippern@76.109-247-208.customer.lyse.net) has joined #raspberrypi
[15:21] <StrawMachie> Do I need static ip address?
[15:21] <StrawMachie> I don't understand why
[15:21] <Bilby> you want to connect raspberry pi and laptop with networking cord, but only to each other?
[15:22] <StrawMachie> it doesnt matter just both will be in connection
[15:22] <StrawMachie> using cable
[15:22] <StrawMachie> cable internet rj-45
[15:22] <Bilby> If you're going to connect them to each other directly you need to set a static IP on both
[15:23] <Bilby> and probably either use a 'crossover' type ethernet cord or put a switch between them
[15:23] <StrawMachie> Why?
[15:23] <StrawMachie> I don't understand it
[15:25] <StrawMachie> In howtogeek it say that it prevent ip address to conflict, but why?
[15:25] <Bilby> Network cable is wired to go computer <-> switch
[15:25] <Bilby> if you go computer <-> computer you have to flip the send/receive pairs in the wire (called a crossover cable)
[15:25] <StrawMachie> What?
[15:26] <Bilby> Ah... communication
[15:26] <StrawMachie> How is it different from connecting it to router ?
[15:26] <Bilby> Are you trying to connect pi to laptop with network so it's just the two of them?
[15:26] <StrawMachie> Yes
[15:26] <Bilby> Or are you trying to connect pi and laptop on network with router (for internet)
[15:26] <StrawMachie> And im trying it over hour
[15:26] <Bilby> Okay
[15:26] <niston> hmm
[15:26] <StrawMachie> laptop with raspberry pi
[15:27] <niston> most ethernet ports nowadays should have auto MDI-X
[15:27] <Bilby> for normal network, with router, router gives out IP addresses
[15:27] <Bilby> niston yeah i thought about that
[15:27] <Bilby> StrawMachie so it says "you are machine 1, you are machine 2"
[15:27] <Bilby> without router, nothing to give out IP addresses, no computer knows who it is or who anyone else is
[15:28] * ppq (~ppq@unaffiliated/ppq) Quit (Ping timeout: 272 seconds)
[15:28] <Bilby> so you have to set static on all machines, manually tell them "you are machine 1, you are machine 2"
[15:28] <Bilby> make sense?
[15:28] <StrawMachie> ah
[15:28] <StrawMachie> w8
[15:28] <ali1234> or just install avahi-daemon on all machines and don't worry about it
[15:28] <Bilby> shh, don't confuse the poor lad/lass
[15:28] <Bilby> :P
[15:29] <StrawMachie> so it's like i have no router?
[15:29] <StrawMachie> or dhcp?
[15:29] <Bilby> That's what you want, right? Only laptop and pi, no router, no other netwowrk
[15:29] <StrawMachie> no experience in networking
[15:30] <Bilby> It's okay
[15:30] * jeeshofone (~Adium@2001:18e8:2:1009:4038:fd84:7e8b:48d5) has joined #raspberrypi
[15:30] <StrawMachie> yes
[15:30] <StrawMachie> for now
[15:30] * iamjarvo (~textual@c-69-249-187-177.hsd1.nj.comcast.net) has joined #raspberrypi
[15:30] <Bilby> right. a router has a DHCP server. a DHCP server is like a man in charge of giving out addresses
[15:30] <StrawMachie> for now i want both
[15:30] <Bilby> with no man in charge, no one knows who they are unless you tell them (manual IP)
[15:31] <StrawMachie> but in windows 8 it generated ip (ipv4)
[15:31] * e2k (hwikholm@gateway/shell/tkk.fi/x-ydpsdsqubbuwnyac) Quit (Remote host closed the connection)
[15:31] <Bilby> if windows can't find a DHCP server it gives itself an address starting 169.*
[15:31] <niston> yep
[15:31] <StrawMachie> yes
[15:31] <Bilby> but it doesn't really mean anything
[15:31] <niston> its MS APIP
[15:31] * troulouliou_dev (~troulouli@unaffiliated/troulouliou-dev/x-4757952) Quit (Quit: Leaving)
[15:31] <StrawMachie> why linux dont do that?
[15:32] <StrawMachie> just 127.0.0.1
[15:32] <Bilby> you should set static IP to something that makes sense on a local network. like set computer to 192.168.0.101/255.255.255.0 and pi to 192.168.0.102/255.255.255.0
[15:32] <niston> Bilby: I believe its actually 169.254.*.*
[15:32] <Bilby> niston you know the thought process on that? and yeah, 169.254.somethingorother
[15:33] <StrawMachie> i barely understand why i need static ip for rpi
[15:33] <niston> Bilby: you mean, like why they devised that?
[15:33] * Mrloafbot_ (~Mrloafbot@63-148-120-34.dia.static.qwest.net) has joined #raspberrypi
[15:33] <Bilby> StrawMachie 127.0.0.1 is called loopback, it is an IP that the computer uses to say "i am me". never used on a network
[15:33] <Bilby> niston yeah
[15:33] <niston> MS APIPA actually its called, sorry
[15:34] <niston> the idea was that you could set up a simple network with windows machines
[15:34] <StrawMachie> dont i need like dhcp?
[15:34] <Bilby> StrawMachie without router giving out addresses, unless you give pi a static IP it doesn't know what its address is
[15:34] <niston> by simply joining them through a switch or even a crossover cable
[15:34] <Bilby> ahaha
[15:34] <ali1234> StrawMachie: what OS do you use on your computer?
[15:34] <Bilby> wow, what a great concept
[15:34] <StrawMachie> windows 8.1
[15:34] <Bilby> ... that no one ever implemented
[15:36] * venmx (~pactadmin@hertz.phys.susx.ac.uk) has joined #raspberrypi
[15:36] <StrawMachie> i found tutorials and all said i need static ip address for my raspberry
[15:37] <Bilby> right
[15:37] <Bilby> no router means nothing is telling the pi what its address is
[15:37] <Bilby> so you have to do it
[15:37] <niston> you could set up a DHCP server on the windows box
[15:37] <niston> but just using static IPs will do as well
[15:38] <Bilby> it sounds like he has a router but wants to connect the pi directly for the moment
[15:38] <niston> especially if there's only 2 machines on that particular network :)
[15:38] * leichtgewicht (~leichtgew@pw126152042048.10.panda-world.ne.jp) Quit (Remote host closed the connection)
[15:38] <StrawMachie> raspberry pi->cable <- laptop
[15:39] * ssvb (~ssvb@85-76-74-251-nat.elisa-mobile.fi) Quit (Ping timeout: 252 seconds)
[15:39] <Bilby> right
[15:39] * leichtgewicht (~leichtgew@pw126152042048.10.panda-world.ne.jp) has joined #raspberrypi
[15:40] <StrawMachie> please help
[15:40] <niston> do as Bilby suggested
[15:40] <niston> use 192.168.0.101/255.255.255.0 on machine 1 and 192.168.0.102/255.255.255.0 on the other
[15:41] * Elek101 (~textual@diagenode.socext.ulg.ac.be) has joined #raspberrypi
[15:41] * Elek101 (~textual@diagenode.socext.ulg.ac.be) Quit (Client Quit)
[15:41] * Olipro (~Olipro@uncyclopedia/pdpc.21for7.olipro) Quit (Ping timeout: 245 seconds)
[15:41] <StrawMachie> how
[15:41] <Bilby> StrawMachie what is your first language, i'll try to find you a guide in that language :)
[15:41] <StrawMachie> hebrew
[15:41] <Bilby> d'oh! I opened my big mouth XD
[15:41] * Slippern (~Slippern@76.109-247-208.customer.lyse.net) Quit (Ping timeout: 245 seconds)
[15:41] * pii4 (~pii4__@unaffiliated/pii4) Quit (Ping timeout: 245 seconds)
[15:41] * [SLB] (~slabua@unaffiliated/slabua) Quit (Quit: Close the world, Open the nExt)
[15:42] <Bilby> Okay, give me a few minutes
[15:42] * woox2k (~error@178.23.118.249) has joined #raspberrypi
[15:42] <woox2k> hello
[15:42] <StrawMachie> this isnt help: https://www.modmypi.com/blog/tutorial-how-to-give-your-raspberry-pi-a-static-ip-address
[15:42] <niston> how about this: http://www.instantsupportsite.com/self-help/raspberry-pi/raspberry-configure-static-ip-eth0/
[15:43] * harish (~harish@14.100.135.113) Quit (Ping timeout: 245 seconds)
[15:43] * SebSemmi (~SebSemmi@p4FF7755C.dip0.t-ipconnect.de) has joined #raspberrypi
[15:43] <StrawMachie> and in windows?
[15:43] <niston> make raspberry pi 192.168.1.10 just like in the tutorial, then set windows to 192.168.1.1
[15:44] <niston> windows can be anything from 192.168.1.1 to 192.168.1.254, with the exception of 192.168.1.10 (because thats used for raspberry pi already)
[15:44] * Elek101 (~textual@193.190.125.30) has joined #raspberrypi
[15:44] * leichtgewicht (~leichtgew@pw126152042048.10.panda-world.ne.jp) Quit (Ping timeout: 264 seconds)
[15:44] * Slippern (~Slippern@76.109-247-208.customer.lyse.net) has joined #raspberrypi
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[15:44] <woox2k> is there an app for rpi that allows me to change webcam settings like flicker freq, gain and so on?
[15:45] * iamjarvo (~textual@c-69-249-187-177.hsd1.nj.comcast.net) Quit (Quit: My MacBook has gone to sleep. ZZZzzz…)
[15:45] * denete (~denete@216.143.242.112) has joined #raspberrypi
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[15:46] <woox2k> commandline application i mea
[15:46] <woox2k> mean*
[15:46] <niston> woox2k: for USB webcam?
[15:46] <woox2k> yes
[15:46] * cybr1d (~cybr1d@unaffiliated/cybr1d) Quit (Ping timeout: 240 seconds)
[15:46] <niston> I doubt it
[15:46] <woox2k> i'm using guvcview in my pc but that's a GUI program
[15:46] <woox2k> pi is headless
[15:47] * Encrypt (~Chuck-nor@AMontsouris-553-1-57-169.w92-151.abo.wanadoo.fr) has joined #raspberrypi
[15:47] * cybr1d (~cybr1d@unaffiliated/cybr1d) has joined #raspberrypi
[15:47] <Bilby> StrawMachie these steps are for windows 7 but should work for windows 8 too http://iw.stealthsettings.com/cum-sa-setam-un-ip-static-in-windows-7-tcpip-settings.html
[15:48] <niston> hmmm
[15:48] <niston> woox2k: maybe this helps: http://www.raspberrypi.org/forums/viewtopic.php?f=38&t=46255 ?
[15:49] * Olipro (~Olipro@uncyclopedia/pdpc.21for7.olipro) has joined #raspberrypi
[15:49] * SiC (~Simon@193.37.225.144) Quit (Ping timeout: 276 seconds)
[15:49] <woox2k> not really :(
[15:49] <woox2k> it's for capturing video from it, i got that covered
[15:49] <niston> if the Pi is headless you'll somehow have to stream the video
[15:49] <niston> to a workstation with a console
[15:49] <woox2k> "motion" does that
[15:49] <Bilby> woox2k it's all going to depend on what function is built in the driver, and i have no idea on that
[15:50] <woox2k> but i have a camera that fails to autoset it's settings
[15:51] <niston> http://wolfpaulus.com/jounal/embedded/raspberrypi_webcam/
[15:51] <woox2k> on my desktop i just open up guvcview to set the correct settings and after that webcam works correctly with any probram
[15:51] <niston> UVC webcam grabber lets you pass some parameters
[15:51] <woox2k> only until i power off or unplug the usb though
[15:52] <woox2k> no the setting i need
[15:53] <niston> dunno then sorry
[15:53] <woox2k> for some reason it wants me to set powerline freq to 50hz for it to work correctly (setting that's used to avoid light flicker on camera)
[15:53] <StrawMachie> permission denied
[15:53] <StrawMachie> ??
[15:54] <StrawMachie> i cant su ...
[15:54] <Bilby> no sudo?
[15:54] <StrawMachie> not sure
[15:54] <StrawMachie> took me 5 mintues to write all
[15:55] * zoktar (~zoktar@unaffiliated/zoktar) Quit (Quit: -)
[15:55] <niston> sudo make me a sandwich :>
[15:55] * Bilby goes to make niston
[15:55] * ssvb (~ssvb@85-76-74-251-nat.elisa-mobile.fi) has joined #raspberrypi
[15:55] <Bilby> *... a sandwhicih
[15:55] <niston> ^^
[15:55] <Bilby> ... dangit. need more coffee
[15:56] <niston> woox2k: libuvc seems to have a parameter for the setting you're looking for
[15:57] <niston> ~power_line_frequency (int, default: 0)
[15:57] <niston> Power line frequency anti-flicker processing. Possible values are: Disabled (0): Disabled, Freq_50 (1): 50 Hz, Freq_60 (1): 60 Hz
[15:57] <woox2k> ahah
[15:58] <woox2k> but it's a library? :D
[15:58] * zoktar (~zoktar@unaffiliated/zoktar) has joined #raspberrypi
[16:00] * zokeber (~zokeber@unaffiliated/zokeber) Quit (Ping timeout: 240 seconds)
[16:01] <niston> hmm this is kinda weird
[16:01] <niston> nightly won't search no more
[16:01] * amigojapan (~amigojapa@c119045.net21845.cablenet.ne.jp) has joined #raspberrypi
[16:01] <niston> neither by search box nor on google page
[16:01] <niston> time to restart browser I think!
[16:02] * krelo_ (~krelo@dsl3-209.uninet.ee) has joined #raspberrypi
[16:02] <niston> its always starting to act weird if there's an update pending
[16:02] <niston> no idea why. maybe perhaps to force the user to apply the update?
[16:03] * designbybeck_ (~designbyb@x172y117.angelo.edu) Quit (Remote host closed the connection)
[16:03] * designbybeck__ (~designbyb@x172y117.angelo.edu) Quit (Remote host closed the connection)
[16:05] * krelo (~krelo@dsl3-209.uninet.ee) Quit (Ping timeout: 265 seconds)
[16:06] * harish (~harish@ip-188-118-19-20.reverse.destiny.be) has joined #raspberrypi
[16:07] * leichtgewicht (~leichtgew@pd284e95d.osaknt01.ap.so-net.ne.jp) has joined #raspberrypi
[16:10] * utack (~utack@ip9234cb8c.dynamic.kabel-deutschland.de) Quit (Remote host closed the connection)
[16:10] * jazzzu (~jazzzu@D97B7B1C.cm-3-4b.dynamic.ziggo.nl) has joined #raspberrypi
[16:11] * StrawMachie (4fb294b5@gateway/web/freenode/ip.79.178.148.181) Quit (Quit: Page closed)
[16:16] * phantoxe (~destroy@acarlosss.broker.freenet6.net) Quit (Remote host closed the connection)
[16:18] <Bilby> just got off the phone with a guy named Ismail. I kept wanting to ask him if qwiqueg was around
[16:19] * dreamon (~dreamon@unaffiliated/dreamon) Quit (Ping timeout: 245 seconds)
[16:21] <niston> Scully's dog?
[16:21] * Thieve (~Probably@unaffiliated/thieve) Quit (Ping timeout: 264 seconds)
[16:21] * iamjarvo (~textual@pool-98-115-181-52.phlapa.fios.verizon.net) has joined #raspberrypi
[16:22] <Bilby> lol
[16:24] * Noldorin (~noldorin@unaffiliated/noldorin) has joined #raspberrypi
[16:25] <ozzzy> Scully?
[16:25] * zokeber (~zokeber@unaffiliated/zokeber) has joined #raspberrypi
[16:26] <niston> Agent Dana Scully.
[16:26] * Lupinedk is now known as lupinedk
[16:26] <niston> err Special Agent.
[16:27] <Bilby> Mmmmmm, Gillian Anderson :3
[16:28] * kamdard (~kamdard@pool-173-57-39-202.dllstx.fios.verizon.net) has joined #raspberrypi
[16:29] <Gadgetoid__> What's the practical upshot of shorting an Output HIGH GPIO pin, to an Output LOW GPIO pin?
[16:31] * oldtopman (~oldtopman@unaffiliated/oldtopman) has joined #raspberrypi
[16:32] * zokeber (~zokeber@unaffiliated/zokeber) Quit (Ping timeout: 264 seconds)
[16:33] <Bilby> Gadgetoid__ it's an effective short to ground
[16:33] <Gadgetoid__> Bilby, has surprisingly little effect
[16:34] <Bilby> The GPIO pins are current limited (i think?) which may be why
[16:34] <Gadgetoid__> I've just adjusted a multiplexed circuit driving buttons/LEDs from the same pin to use a GPIO pin as supply/sink
[16:34] <Gadgetoid__> Yeah I think they're limited to 16mA, or at least that's the maximum you're supposed to pull from them
[16:37] <Bilby> yeah not 100% sure on that
[16:37] <Bilby> aaaand i just programmed myself into a corner
[16:37] <Gadgetoid__> Wondering if output impedance simply keeps them from going pop
[16:38] * blib (~kp@c-68-35-250-254.hsd1.fl.comcast.net) Quit (Read error: Connection reset by peer)
[16:39] <Bilby> yeah, must be on the high side, anything on the low side could possibly cause issues for circuits looking for true ground parity
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[16:40] <Gadgetoid__> An LED will stay lit, too, suggesting that impedence is high enough that it's certainly not a dead short
[16:40] <Gadgetoid__> *dimly* lit
[16:41] <Bilby> daaaaaaammmiiiiiiiit i hate having dead end errors but without creating an entirely new page I'm going to have too :/
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[16:42] <Bilby> really? I'd expect it to be bright assuming a ~3.3v LED
[16:42] <ShorTie> gpio pins are not limited to 16ma, but that is like the recommend max you should draw on them
[16:42] <Bilby> 16ma is pretty decent
[16:42] <Gadgetoid__> Depends on drive strength it would seem
[16:43] <Bilby> hmm
[16:43] <Gadgetoid__> I've found a "calculated" impedence of 161 at 2 drive strength, which pulls ~20.8mA at a dead short
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[16:53] <Gadgetoid__> Hmm, the impedance of both the input and output would add up
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[16:58] <Gadgetoid__> It's 32.5mA
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[17:03] <gordonDrogon> Gadgetoid__, you can reboot a Pi that way
[17:04] <gordonDrogon> assuming it reboots before the pin driver overheats.
[17:04] <Gadgetoid__> gordonDrogon, Haha
[17:04] <Gadgetoid__> gordonDrogon, but I'm connecting two PINS, not one to ground, so the impedance adds up
[17:04] <gordonDrogon> I've pulled 35mA from a Pi's gpio pin in the past. I do not recommend this.
[17:04] <Gadgetoid__> Net result, between 32-33mA
[17:04] <gordonDrogon> you can up the drive power - gpio drive 0 7
[17:05] <Gadgetoid__> Yeah that would be bad
[17:05] <Gadgetoid__> The circuit doesn't do this intentionally, but when you press a button while an LED is lit, you're basically shorting between the two pins
[17:05] <gordonDrogon> the default is 8mA - but that's calculated to be 8mA while keeping the output voltage at a level that guarantees a logic '1' to 3.3v digital electronics.
[17:06] * darkavenger is now known as darkavenger_afk
[17:06] <clever> gordonDrogon: do you happen to know anything about the SMI interface?
[17:06] <gordonDrogon> I put together a multiplexed thing for the Pi that had 4x4 RGB LEDs and 5 buttons.
[17:06] <Gadgetoid__> gordonDrogon, It dips to about 2.89v
[17:07] <Gadgetoid__> gordonDrogon, Came across a really weird problem with our big blue LEDs, they were causing the next button in line to trigger
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[17:07] <Gadgetoid__> gordonDrogon, https://github.com/raspberrypilearning/babbage-lights-n-sounds/issues/1
[17:07] <gordonDrogon> clever SMI ? (ie. no - I've googled it, but not used it)
[17:08] <clever> gordonDrogon: ah, ive been wanting to try it out on one of my projects
[17:08] <gordonDrogon> Gadgetoid__, enable the internal pull-ups on the button?
[17:08] <clever> but the docs barely exist
[17:08] <Gadgetoid__> gordonDrogon, in this instance, the button is connected to the same pins as the LED
[17:08] <gordonDrogon> Gadgetoid__, Ah.
[17:08] <Gadgetoid__> gordonDrogon, So to drive an LED it puts GPIO 27 HIGH, and pulls the button/LED pin LOW
[17:09] <gordonDrogon> ok
[17:09] <Gadgetoid__> gordonDrogon, And to read a button it drives GPIO 27 LOW and sets the button/LED to an input with pullup
[17:09] <gordonDrogon> riiiight ...
[17:09] <gordonDrogon> woo hoo - snow...
[17:09] <gordonDrogon> no, wait. it's hail.
[17:10] <Gadgetoid__> It's finally stopped here, I think
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[17:42] <Gadgetoid__> I'm on a quest for Python-spidev now, har!
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[17:46] <clever> gordonDrogon: can the gpio utility change the alt function of pins?
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[17:57] <gordonDrogon> clever, yes.
[17:57] <gordonDrogon> gpio mode 0 alt4
[17:57] <gordonDrogon> for example.
[17:58] <clever> ah
[17:58] <clever> and will that take bcm or wiringpi pin numbers?
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[17:59] <gordonDrogon> all 3. wiringPi by default, -g for bcm_gpio and -1 for physical pins.
[17:59] <clever> ah thanks
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[17:59] <clever> root@rdpclient:~/hello_smi# gpio -g mode 4 alt1
[18:00] <clever> if i'm poking the right registers, i should get something, hmmm
[18:00] <clever> nothing on the scope
[18:00] <clever> oh, forgot to move the probe, (facepalm)
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[18:01] <gordonDrogon> you want to use a clock on that pin?
[18:01] <clever> the SMI function, SA1
[18:01] <gordonDrogon> ah. ok.
[18:01] <clever> i think i found part of its driver in the old gpu source that was released
[18:01] <clever> but the pin isnt changing
[18:02] <clever> #define BCM2708_PERI_BASE 0x20000000
[18:02] <clever> #define SMI_BASE (BCM2708_PERI_BASE + 0x600000) /* GPIO controller */
[18:02] <clever> and then a mmap on /dev/mem at SMI_BASE
[18:02] <clever> gordonDrogon: does that sound right?
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[18:07] <gordonDrogon> I think so.
[18:07] <gordonDrogon> it's been some time (4 hours) since I last looked at my code...
[18:07] <clever> heh
[18:07] <clever> and then i have some defines like this #define SMIDSW1 0x1C
[18:07] <gordonDrogon> assuming 0x0600000 is the right address
[18:08] <clever> smi[SMIDSW1] = 0x3f3f7f7f;
[18:08] <clever> and fill things in like that, using the volatile pointer
[18:08] <gordonDrogon> yes, volatile.
[18:08] <clever> brcm_usrlib/dag/vmcsx/vcinclude/hardware_vc4.h: #define SMI_BASE 0x7E600000
[18:08] <clever> the bare define from the gpu source
[18:08] <gordonDrogon> I'd need to read the manual to see how the SMI hardware works. (and what it does)
[18:09] <clever> its behind the NDA wall
[18:09] <gordonDrogon> ah.
[18:09] <gordonDrogon> what are you going to use it for?
[18:09] <clever> and gert has said on the forums that the docs arent even that good
[18:09] <clever> i'm trying to make a high speed connection to an FPGA
[18:09] <gordonDrogon> can't you bit-bang it - or are you looking for much higher speed?
[18:10] <clever> much higher speeds
[18:10] <clever> brcm_usrlib/dag/vmcsx/vcinclude/bcm2708_chip/smi.h:#define SMI_BASE 0x7e600000
[18:10] <clever> brcm_usrlib/dag/vmcsx/vcinclude/bcm2708_chip/register_map_macros.h: #define SMICS HW_REGISTER_RW(SMI_BASE + 0x00)
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[18:10] <clever> so going by these 2 defines, would an mmap of 0x20000000 + 0x600000 hit the module, and then [0x00] hit this register?
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[18:11] <clever> whats the difference between 0x20 and 0x7e?
[18:11] <gordonDrogon> 5e
[18:11] <clever> in terms of the broadcom hardware
[18:11] <gordonDrogon> I think one is where it is in phycial memory and one is where it's mapped for the ARM to see it.
[18:12] <gordonDrogon> the 0x2... base is where the ARM can see it.
[18:12] <clever> brcm_usrlib/dag/vmcsx/vcinclude/bcm2708_chip/gpio.h:#define GP_BASE 0x7e200000
[18:12] <clever> ah
[18:12] <clever> and i'm seeing a similar offset for the gpio stuff
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[18:14] <clever> so either i'm completely wrong on how to use this hardware, it expects some kind of ack signal from the scope, or i forgot an enable bit somewhere
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[20:00] <gordonDrogon> ok. any requests for additions into the gpio command before I push out a new version...
[20:02] * irc_smirk (17f24525@gateway/web/freenode/ip.23.242.69.37) has joined #raspberrypi
[20:02] <irc_smirk> hello all
[20:02] * osxdude|MBP (~osxdude@unaffiliated/osxdude) Quit (Quit: bye lol)
[20:02] <irc_smirk> amazon is having a deal on fully decked out raspberry pi for $50!
[20:02] <irc_smirk> http://www.amazon.com/gp/product/B00L87YMGM/
[20:02] <irc_smirk> i am not affiliated with this offer. i just read this on reddit
[20:02] <irc_smirk> b+
[20:02] * Slippern (~Slippern@76.109-247-208.customer.lyse.net) has joined #raspberrypi
[20:03] <irc_smirk> and i see the $75 has everything
[20:04] * ctarx (~ctarx@p508FF81C.dip0.t-ipconnect.de) has joined #raspberrypi
[20:05] <irc_smirk> can someone find something wrong with this deal? are teh components bad?
[20:06] <gordonDrogon> looks like a reasonable deal for all that kit to me - however it's US $ prices, so I've really no idea what that translates to in � prices though.
[20:07] * D-Boy (~D-Boy@unaffiliated/cain) has joined #raspberrypi
[20:08] <irc_smirk> is there a new pi coming out? seems awfully cheap?
[20:11] <CoJaBo> irc_smirk: That AC adaptor is almost certainly trash; the rest of the kit, yeh, you could find for about $20, so it isn't that crazy of a deal.
[20:11] * Xano (~bart@a92136.upc-a.chello.nl) Quit (Quit: Xano)
[20:12] <irc_smirk> is that case crap too?
[20:12] <ShorTie> looks good to me 2 irc_smirk
[20:13] <irc_smirk> Want it TODAY, Jan. 29? Order within 46 mins and choose Same-Day Delivery at checkout. Details
[20:13] <irc_smirk> thats crazy
[20:13] <ShorTie> i'd throw the heat sinks in a draw though
[20:14] <CoJaBo> I have a drawer of heatsinks already lol
[20:14] <irc_smirk> does that breakout board look legit?
[20:15] <ShorTie> don't see no breakout board there
[20:16] <gordonDrogon> looks like the ones I use.
[20:16] <ozzzy> yeah... the heat sinks are just eye candy
[20:16] <gordonDrogon> ShorTie, you need to select the top range option.
[20:16] <irc_smirk> now we just need radio shack to go bankrupt and scoop up lots of cheap sensors
[20:17] <ShorTie> oh, i considered that the pi, not a breakout board, sorry
[20:17] <CoJaBo> ..tempted to buy that Ultimate one just for the breakout board
[20:17] <CoJaBo> I couldn't find any of those in-stock as a single part
[20:18] <CoJaBo> Does it say what size those heatsinks are?
[20:20] * Xano (~bart@a92136.upc-a.chello.nl) has joined #raspberrypi
[20:21] <ShorTie> pi don't need no heatsinks, can cause more harm then good
[20:21] * theBestNunu (~theBestNu@unaffiliated/thebestnunu) Quit (Quit: Leaving)
[20:22] <abnormal> *than
[20:22] <ozzzy> my pi runs hotter'n normal... but the sinks never helped
[20:23] <abnormal> reduce the proc speed
[20:23] * Xano (~bart@a92136.upc-a.chello.nl) Quit (Client Quit)
[20:23] * ch007m_2 (~chm@ip-83-134-181-198.dsl.scarlet.be) has joined #raspberrypi
[20:23] <ozzzy> it's at normal
[20:24] * ch007m (~chm@ip-83-134-181-198.dsl.scarlet.be) Quit (Ping timeout: 252 seconds)
[20:24] * ch007m_2 (~chm@ip-83-134-181-198.dsl.scarlet.be) Quit (Client Quit)
[20:24] <CoJaBo> ShorTie: Id need to find something else to use them for, hence wondering the size :P
[20:25] * Xano (~bart@a92136.upc-a.chello.nl) has joined #raspberrypi
[20:25] * CoJaBo might get 2 of those kits even
[20:25] <irc_smirk> i dont need the camera
[20:25] * ch007m (~chm@ip-83-134-181-198.dsl.scarlet.be) has joined #raspberrypi
[20:29] * darkavenger_afk is now known as darkavenger
[20:30] * Xano (~bart@a92136.upc-a.chello.nl) Quit (Quit: Xano)
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[20:41] * n-st (~n-st@2001:470:7272:0:b164:eb84:be08:d05d) has joined #raspberrypi
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[20:51] * speek1984 (~speek1984@5ED001C0.cm-7-1a.dynamic.ziggo.nl) has joined #raspberrypi
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[20:55] * Vialas (~Vialas@14-203-235-228.static.tpgi.com.au) Quit (Ping timeout: 276 seconds)
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[20:56] * starkn (~starkn@host-85-27-49-202.dynamic.voo.be) Quit (Ping timeout: 264 seconds)
[20:56] * hadifarn_ (~hadifarno@31.59.80.155) has joined #raspberrypi
[20:57] * darkavenger is now known as darkavenger_afk
[20:57] * DrBrownBear (~DrBrownbe@gateway/vpn/privateinternetaccess/drbrownbear) has joined #raspberrypi
[20:57] * kevireilly (~kevireill@c-98-210-249-9.hsd1.ca.comcast.net) has joined #raspberrypi
[20:57] * treeherder (~hive_quee@veles.packetfire.org) has joined #raspberrypi
[20:57] * iamtew (~iamtew@stupid.systems) has joined #raspberrypi
[20:58] * teepee (~teepee@gateway/tor-sasl/teepee) Quit (Ping timeout: 250 seconds)
[20:58] * teepee_ is now known as teepee
[20:58] * mgottschlag (~quassel@reactos/tester/phoenix64) Quit (Ping timeout: 272 seconds)
[20:58] * hadifarnoud (~hadifarno@31.59.93.201) Quit (Ping timeout: 240 seconds)
[21:00] * Guest8426 (~digifiv5e@unaffiliated/daynaskully) has joined #raspberrypi
[21:00] * ch007m (~chm@ip-83-134-181-198.dsl.scarlet.be) Quit (Quit: Textual IRC Client: www.textualapp.com)
[21:00] <ozzzy> I'm sure this pi used to run about 52C
[21:01] <abnormal> that's normal
[21:01] * ShapeShifter499 (~Raansu@unaffiliated/shapeshifter499) Quit (Ping timeout: 265 seconds)
[21:02] * Guest8426 is now known as guyz
[21:02] <ozzzy> 72C now
[21:02] <ozzzy> idling
[21:03] <abnormal> now that is hot.
[21:03] <ozzzy> yep
[21:03] <abnormal> something is not right
[21:03] <ozzzy> yep
[21:05] <shiftplusone> PiPower: a bit late, but no you can't overclock above 1.5GHz... you can't even overclock above 1.2GHz (please don't argue about it)
[21:07] <shiftplusone> actually, maybe argue about it... I'm just going off what one of the engineers said and that's that the internal clocks won't go above 1.2GHz. So maybe do a benchmark at 1.2 and 1.5 and see if there's actually a difference.
[21:07] * IT_Sean (~IT_Sean@applefritter/IRCStaff) has joined #raspberrypi
[21:08] <shiftplusone> http://www.raspberrypi.org/forums/viewtopic.php?f=41&t=76294#p545005
[21:08] * D-Boy (~D-Boy@unaffiliated/cain) has joined #raspberrypi
[21:08] * ChanServ sets mode +o IT_Sean
[21:09] * thomasreggi (~thomasreg@cpe-67-244-101-108.nyc.res.rr.com) Quit (Remote host closed the connection)
[21:09] * IT_Sean has a look around
[21:10] * hadifarn_ (~hadifarno@31.59.80.155) Quit ()
[21:10] * thomasreggi (~thomasreg@cpe-67-244-101-108.nyc.res.rr.com) has joined #raspberrypi
[21:10] <shiftplusone> around what?
[21:10] <abnormal> globe
[21:11] * wiiguy (fake@unaffiliated/wiiguy) Quit (Quit: I just broke my connection, but no worries, we can rebuild it. We have the technology.)
[21:11] * ZacharyIgielman (~ZacharyIg@86.90.90.146.dyn.plus.net) Quit (Quit: Leaving)
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[21:13] * utack (~utack@ip9234cb8c.dynamic.kabel-deutschland.de) Quit (Read error: Connection reset by peer)
[21:16] * GentileBen (GentileBen@cpc5-lutn10-2-0-cust681.9-3.cable.virginm.net) Quit ()
[21:17] <Armand> Mmmmm.... Globes.
[21:19] <IT_Sean> (O_o)
[21:19] <Bilby> O_o
[21:19] * carlsimpson (~carlsimps@cpc21-ward9-2-0-cust32.10-2.cable.virginm.net) has joined #raspberrypi
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[21:22] * torchic________ (~soemgirl@gateway/tor-sasl/soem-girl) has joined #raspberrypi
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[21:51] * Encrypt (~Chuck-nor@AMontsouris-553-1-57-169.w92-151.abo.wanadoo.fr) has joined #raspberrypi
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[21:59] * shum (~sdothum@207.112.100.227) Quit (Client Quit)
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[22:01] * l0rd_hex (~zoltar@SpaceWolf.uhall.ualberta.ca) has joined #raspberrypi
[22:01] * tombrough (~tom@cpc3-newt3-0-0-cust165.19-3.cable.virginm.net) has joined #raspberrypi
[22:01] <l0rd_hex> there can be only one.... channel
[22:02] * Textmode (~boneidle@adsl-1-au-2-174.ozonline.com.au) has joined #raspberrypi
[22:02] * kd7jwc (~nonyabusi@174-25-63-219.ptld.qwest.net) has joined #raspberrypi
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[22:03] * igordcard (~igordcard@21.136.54.77.rev.vodafone.pt) has joined #raspberrypi
[22:03] * killer_prince (~killer_pr@122.171.72.20) Quit (Ping timeout: 276 seconds)
[22:03] <l0rd_hex> I'm trying to play with PWM on my Pi (B, rev 1), I noticed on here: http://raspi.tv/2013/rpi-gpio-0-5-2a-now-has-software-pwm-how-to-use-it that it seems like the author picked a GPIO pin at random
[22:03] * shum (~sdothum@207.112.100.227) Quit (Client Quit)
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[22:04] * killer_prince is now known as lazy_prince
[22:04] <Bilby> If you're doing software pwm it doesn't matter what pin iirc
[22:05] <l0rd_hex> ohh, ok that was basically my question is there was specific pwm hardware pins vs emulating in software
[22:05] * zokeber (~zokeber@unaffiliated/zokeber) Quit (Remote host closed the connection)
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[22:06] * omfgtora (~omfgtora@216.158.241.62) Quit (Read error: Connection reset by peer)
[22:06] <l0rd_hex> is there an advantage to using hardware pwm? I'm using a L293D to drive two motors
[22:06] * omfgtora (~omfgtora@216.158.241.62) has joined #raspberrypi
[22:06] <l0rd_hex> currently I'm just doing on-off kinda stuff but I'd like to give variable performance
[22:06] * eatyourguitar (~User@pool-72-87-122-75.prvdri.fios.verizon.net) Quit (Quit: Leaving)
[22:06] <shiftplusone> I would imagine that there would be less/no jitter and no cpu usage hit.
[22:07] <l0rd_hex> since the freq generating etc would be offloaded?
[22:10] * DrBrownBear (~DrBrownbe@gateway/vpn/privateinternetaccess/drbrownbear) Quit (Ping timeout: 255 seconds)
[22:11] * nimoot (~HomoSapie@unaffiliated/toomin) Quit (Ping timeout: 244 seconds)
[22:12] <shiftplusone> since you're not stuck in a loop flipping bits. You just fire it off and it goes without the CPU actively doing anything.
[22:12] <shiftplusone> Mind you I haven't used PWM on a low level myself, so I don't know the specifics. Speaking very generally here.
[22:13] * GerhardSchr (~GerhardSc@unaffiliated/gerhardschr) Quit (Quit: GerhardSchr)
[22:15] * ShapeShifter499 (~Raansu@unaffiliated/shapeshifter499) has joined #raspberrypi
[22:16] * koyal13 (~ayoze@86.Red-81-47-42.dynamicIP.rima-tde.net) has joined #raspberrypi
[22:18] * teff (~teff@239.169.189.80.dyn.plus.net) Quit (Ping timeout: 245 seconds)
[22:19] * Hoogvlieger (~Hoogvlieg@ip41-37-211-87.adsl2.static.versatel.nl) Quit (Ping timeout: 255 seconds)
[22:20] * teff (~teff@228.30.189.80.dyn.plus.net) has joined #raspberrypi
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[22:23] <jedahan> whats the easiest way to use the 'ip' command to manually assign the correct address so I can ssh into my pi?
[22:23] <jedahan> im on a pretty barebones linux distro so the enp0s25 ethernet interface is just self-assigning a 169.... address
[22:24] * wiiguy (fake@unaffiliated/wiiguy) has joined #raspberrypi
[22:24] * Moshin (~bangboom@174.47.77.2) has joined #raspberrypi
[22:25] <jedahan> alternatively, can the microusb port work with screen? can i screen /dev/ttyS0 38400?
[22:25] * vulu (~drinker@gateway/tor-sasl/drinker) has joined #raspberrypi
[22:26] <IT_Sean> the microUSB port is only for powah
[22:26] <shiftplusone> (but you can use serial with a usb adapter)
[22:27] <l0rd_hex> thanks shiftplusone, Bilby
[22:27] * ShapeShifter499 (~Raansu@unaffiliated/shapeshifter499) Quit (Ping timeout: 245 seconds)
[22:30] * mgottschlag (~quassel@reactos/tester/phoenix64) Quit (Remote host closed the connection)
[22:31] <jedahan> yeah i don't have one with me
[22:31] <jedahan> all i have is the pi, microusb, and ethernet to my laptop
[22:31] <jedahan> i wanna just run a dhcp server on enp0s25
[22:31] * speek1984 (~speek1984@5ED001C0.cm-7-1a.dynamic.ziggo.nl) Quit (Read error: Connection reset by peer)
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[22:38] * BluRaf (~BluRaf@093105018083.lowicz.vectranet.pl) Quit (Quit: See ya!)
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[22:39] <niston> hmm
[22:39] <niston> does anyone use Pi decimal places to create a one time pad key?
[22:39] <abnormal> huh?
[22:40] <niston> decimal places of Pi are endless and never repeating
[22:40] <abnormal> what the heck is that?
[22:40] <niston> Pi the number
[22:40] <niston> not the SBC :)
[22:40] <abnormal> ahh
[22:40] <abnormal> sillie
[22:40] <abnormal> only one
[22:40] <niston> OTP relies on non-repeating key sequence
[22:40] <abnormal> one decimal
[22:40] <niston> so
[22:40] * jazzzu (~jazzzu@D97B7B1C.cm-3-4b.dynamic.ziggo.nl) Quit (Ping timeout: 265 seconds)
[22:41] <abnormal> 3.14
[22:41] <niston> you could give the starting digit as an initialization vector
[22:41] * thomasreggi (~thomasreg@cpe-67-244-101-108.nyc.res.rr.com) has joined #raspberrypi
[22:41] <niston> and have it generate the rest from there on
[22:41] * Datalink (Datalink@unaffiliated/datalink) Quit (Quit: Datalink offline)
[22:41] <abnormal> if you like
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[22:45] <l_r> abnormal, https://www.youtube.com/watch?v=yH97lImrr0Q
[22:49] * carlsimpson is now known as crazyLoco
[22:49] <abnormal> ok, what about that vid?
[22:50] <l_r> "abnormal"...
[22:50] <l_r> that movie came to my mind :D
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[22:51] <abnormal> lol
[22:52] <abnormal> I loved that movie
[22:52] <abnormal> and yes, it does represent me...
[22:54] * skyroveRR (~skyroveRR@unaffiliated/skyroverr) Quit (Read error: Connection reset by peer)
[22:54] <abnormal> that's why my brain is inside/out....
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[23:41] <cyberpolice> my rootfs drive (usb flash drive) died. but i have tar.gz backup of it. what should i do to get back up running with a new flash drive?
[23:41] <cyberpolice> i had /boot on the sdcard and /mnt/sdcard for remaining space on the sdcard ... and / was the usb drive
[23:42] <cyberpolice> do i need to start all over again or cna i make use of the tar
[23:43] <abnormal> you have a windows PC?
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[23:49] <cyberpolice> im on ubuntu abnormal
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[23:50] <abnormal> ok... do you have an imager app in there to take that tar.gz to burn to USB??
[23:52] * ShapeShifter499 (~Raansu@unaffiliated/shapeshifter499) Quit (Ping timeout: 264 seconds)
[23:52] <cyberpolice> not really. do u know what i should use
[23:52] <cyberpolice> but why do i need to burn? its just a tar file with the contents
[23:53] * omfgtora (~omfgtora@216.158.241.62) Quit (Read error: Connection reset by peer)
[23:53] <abnormal> ok what OS are you using?
[23:53] <cyberpolice> ubuntu
[23:53] <abnormal> no on the pi
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[23:54] <cyberpolice> raspbian lol
[23:54] <cyberpolice> sorry
[23:54] * guyz is now known as daynaskully
[23:55] <abnormal> ok then re-download the torrent and then burn it to the USB drive
[23:55] <cyberpolice> what do i do about my micrsd card
[23:55] <cyberpolice> and do i need to use the same version of raspbian so everything works?
[23:55] <abnormal> well I would burn to that so pi would boot
[23:56] <abnormal> don't matter... updated should work for older versions
[23:57] <abnormal> other wise ask shiftplusone or ShorTie or [Saint] and they can walk you through the process
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[23:58] <cyberpolice> alright. thanks man
[23:58] <cyberpolice> i think ill do what you said: ill use a new raspbian image (latest) and install it to the microsd
[23:58] <cyberpolice> then do a change so it uses / on the usb
[23:59] <cyberpolice> and then paste my files into the usb... and hope it works???
[23:59] <cyberpolice> good/bad plan?
[23:59] <abnormal> wise thing to do... yes and yes, lol never hurts to try, and if not good, do it again until you succeed.
[23:59] * eggbeater (~Thunderbi@host-69-95-14-59.roc.choiceone.net) has joined #raspberrypi

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