#raspberrypi IRC Log

Index

IRC Log for 2018-02-12

Timestamps are in GMT/BST.

[0:00] <wp> GAH
[0:00] <wp> it seems it is the distance to my router
[0:00] * defsdoor (~andy@cpc120600-sutt6-2-0-cust177.19-1.cable.virginm.net) Quit (Remote host closed the connection)
[0:00] <wp> i put it closer and now it works...
[0:00] <puff> MacGeek, [Saint], capin: I'm partly looking at building these gadgets for some friends who aren't that technical, so I'm looking for an idiotproof mechanism :-). Bonjour/zeroconf is something I've been meaning to look into.
[0:01] <puff> mfa298: You too :-).
[0:03] <MacGeek> puff: the rpi does broadcast its hostname via zeroconf out of the box, so that seems like the easiest way to me
[0:03] * mgottschlag (~quassel@reactos/tester/phoenix64) Quit (Ping timeout: 255 seconds)
[0:03] <wp> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[0:03] <wp> @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
[0:03] <wp> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[0:03] <wp> IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
[0:03] <wp> Someone could be eavesdropping on you right now (man-in-the-middle attack)!
[0:03] <wp> is that something to take seriously?
[0:03] <MacGeek> nope
[0:04] <MacGeek> it just means that since you reinstalled the system
[0:04] * Ben64 (~Ben64@unaffiliated/ben64) Quit (Ping timeout: 248 seconds)
[0:04] <MacGeek> it generated a new ssh key
[0:04] <MacGeek> and since the system you're using to connect to it had stored the old key
[0:04] <shauno> or that IP doesn't go to the same place it did last time. just that something that it doesn't expect to change, did
[0:04] <MacGeek> it's alerting you that the key has changed, since it does not know the reason
[0:05] <wp> ok good
[0:06] <shauno> basically just ask yourself what changed. if this is a server or something, it's about the point you start panicing. if it's a pi that gets messed up twice a day .. you probably know what changed
[0:06] <wp> i used pibakery the last time, seems it failed to set up the pw though
[0:06] <MacGeek> shauno: he reimaged his pi zero w earlier today
[0:07] <shauno> yeah, I guess what I'm saying is don't assume it means "something you can ignore". more "something you can easily explain". the day you can't explain what's changed, then you worry :)
[0:08] <wp> so anyway i guess it is possible to set up the PI so that a certain executable stars running after boot? how do you do that?
[0:08] <wp> and what is the easiest way to "ping" the camera, ie see if it is properly connected
[0:08] <wp> ?
[0:09] <MacGeek> you can start an executable on boot by adding it to /etc/rc.local iirc
[0:10] <MacGeek> as for the camera: https://www.raspberrypi.org/documentation/usage/camera/raspicam/README.md
[0:10] <puff> MacGeek: Ah, cool.
[0:12] <puff> MacGeek: I've never used bonjour/zeroconf/avahi from the client end, how do you normally use that? Or can you point me at a tutorial about it?
[0:14] <MacGeek> puff: as long as the OS supports it, you don't need to do anything: you type the hostname and it will get resolved via multicast DNS
[0:14] <puff> MacGeek: I'm on linux, but I assume my friends will be using windows and maybe mac.
[0:15] <MacGeek> I don't really have experience on windows so I can't tell for sure about that, I do know that it's been working on macs for more than a decade
[0:16] <puff> Ah, cool, that's good. Thanks, I'll look it up.
[0:16] <shauno> windows only supports avahi/zeroconf if itunes is installed, iirc
[0:17] <puff> shauno: Thanks.
[0:17] <puff> I've gotta run but thanks guys.
[0:17] * puff afk
[0:19] * Ben64 (~Ben64@unaffiliated/ben64) has joined #raspberrypi
[0:19] <shauno> I keep thinking that answer should have changed by now. it still sounds silly that apple have the primary zeroconf implementation used on windows
[0:20] <capin> so if the pi is struggling with playing live streams in chromium, which I can't help but think it's probably something flash player related, could I play my stream on my computer, and then access it via the pi?
[0:22] * Kev- (~Kev@donk.hlekkir.is) Quit (Ping timeout: 240 seconds)
[0:23] <[Saint]> capin: which version of chromium are you using?
[0:23] <capin> [Saint]: the latest
[0:23] <capin> on raspbian stretch
[0:23] <[Saint]> chromium proper, or rpi-chromium-mods?
[0:23] * Kev- (~Kev@donk.hlekkir.is) has joined #raspberrypi
[0:23] <[Saint]> 'latest' isn't interesting.
[0:25] * MacGeek (~BSD@95.232.209.204) Quit (Quit: My MacBook has gone to sleep. ZZZzzz…)
[0:25] * malmalmal (~malmalmal@47.61.145.39) Quit (Ping timeout: 240 seconds)
[0:27] <capin> [Saint]: i'm using the `chromium-browser` package via apt-get
[0:27] <[Saint]> There we go. Don't.
[0:31] <capin> [Saint]: what should i be using?
[0:32] <[Saint]> rpi-chromium-mods
[0:32] <capin> [Saint]: can i have both installed at the same time?
[0:33] * Gathis (~TheBlack@unaffiliated/gathis) Quit (Remote host closed the connection)
[0:35] <capin> looks like i already have rp-chromium-mods installed.
[0:36] <[Saint]> Yes, you can, and...aha.
[0:36] <[Saint]> This isn't a pi 1 or 0 by any chance is it?
[0:37] <[Saint]> the *-mods package is just a metapackage to bring in chromium and some requisite magic.
[0:37] <capin> [Saint]: it's a pi3 model b
[0:38] <[Saint]> I see. You're likely looking at the best browser-based streaming you're going to get then.
[0:39] * stiv (~steve@blender/coder/stivs) has joined #raspberrypi
[0:40] <capin> yeah that's unfortunate then, because watching the stream causes the pi to lock up after a certain amount of time. i even increased the size of the swapfile ¯\_(ツ)_/¯
[0:41] * ShorTie Thinkz, pi isn't a super computer
[0:43] <[Saint]> y'know what really helps the performance of an operating system running from an SD card within a USB2 bus?
[0:43] <[Saint]> ...swap!
[0:43] <[Saint]> - said no person, ever. :)
[0:43] * ShorTie snickers
[0:45] <[Saint]> With streaming on a pi you're almost certainly going to have a vastly better experience with a dedicated media distribution making use of inputstream.
[0:45] <[Saint]> ala LibreELEC or so.
[0:45] <[Saint]> Combine it with iptvsimpleclient to get your arbitrary stream destinations.
[0:45] * wildc4rd (~wildc4rd@host86-184-172-79.range86-184.btcentralplus.com) Quit (Ping timeout: 260 seconds)
[0:46] <[Saint]> I have rpi3s as satellite media clients all over the show, and they'll do 1440p all the live long day.
[0:49] <[Saint]> even does 1080/30 or 1440/20 H.265 though you'll see some frameskipping on some media sources.
[0:50] <[Saint]> The raspi is actually a pretty capable device when it's not trying to do the job of a full operating system.
[0:50] <[Saint]> In a targeted system it can be amazingly agile.
[0:52] <ShorTie> Skip-a-dee-doo-dah, skip-a-dee-ay. My, oh my, what a wonderful day.
[0:53] <[Saint]> I just checked, and the closest hardware to me has been playing a 1080p iptv stream for 19 hours and it's dropped three frames.
[0:53] <[Saint]> I'm willing to bet those framedrops were network issues as opposed to hardware capability though.
[0:54] <[Saint]> (yeah, 19 hours, I just leave it running 24/7 and rarely switch channels - it's mainly for the cats anyway)
[0:54] <Foxfir3> Handling wifi from i3? I normally do the lazy thing, where I let Gnome DE provide the tools. Can I access the network manager that ships with Raspian?
[0:54] <Foxfir3> [Saint]: mostly for the cats :D
[0:55] <[Saint]> Heh. I understand that sounds strange. It's just a background noise/comfort thing for when we leave them home alone.
[0:56] <[Saint]> Foxfir3: are you looking to manage multiple APs, or just connect to a single one?
[0:56] <[Saint]> if the latter, just do it withing raspi-config.
[0:56] <[Saint]> *within
[0:57] <[Saint]> Or just hand-edit your wpa_supplicant.conf file by pasting the output of "wpa_passphrase AD PASSWORD" to it.
[0:57] <[Saint]> *AP
[0:57] * Ben64 (~Ben64@unaffiliated/ben64) Quit (Quit: Leaving)
[0:57] <[Saint]> (AP and PASSWORD being placeholders if it's not clear)
[0:58] <Foxfir3> [Saint]: wow.. okay. that requires a testrun, but Is certainly better than my old "system"
[0:59] * giddles (~giddles@unaffiliated/giddles) has joined #raspberrypi
[0:59] * swift110 (~swift110@unaffiliated/swift110) Quit (Ping timeout: 248 seconds)
[1:00] * weez17 (~isaac@unaffiliated/weez17) Quit (Remote host closed the connection)
[1:00] * weez17 (~isaac@unaffiliated/weez17) has joined #raspberrypi
[1:02] <[Saint]> "wpa_passphrase MY_AP MY_PASSPHRASE >> /etc/wpa_supplicant/wpasupplicant.conf"
[1:02] <[Saint]> or just 'sudo raspi-config' and push the requisite buttons.
[1:02] <Foxfir3> [Saint]: Thanks. was juuuust about to ask that :D
[1:04] <ShorTie> is it ok to hot plug a sata drive in ??
[1:05] <[Saint]> for varying definitions of OK, it should be, yes.
[1:06] <ShorTie> ok, twas thinkin it be ok with the way the pins are stagered
[1:06] <Foxfir3> [Saint]: cool thing is, Im learning more about linux because of the Pi, than the actual Pi stuff. And thanks for all the tips by the way. Lost a few files, and screamed a few times, but running i3 from TTY now, and docker as well.
[1:07] <Foxfir3> [Saint]: is the Pi a wise next step? to run some simple Rust?
[1:07] <Foxfir3> [Saint]: sorry. The Pi ZERO
[1:08] * jacekowski (jacekowski@jacekowski.org) Quit (Ping timeout: 260 seconds)
[1:08] <[Saint]> IMO Pi Zero is only really logical to use if you happen to have one spare or have some form factor/space constriaints.
[1:08] <[Saint]> If you happen to have one, and it's not doing anything, sure. Use it.
[1:09] <Syliss> needs to have the wireless too
[1:09] * d4re (~d4re@gateway/tor-sasl/d4re) Quit (Remote host closed the connection)
[1:10] * d4re (~d4re@gateway/tor-sasl/d4re) has joined #raspberrypi
[1:10] <Foxfir3> [Saint]: I dont. okay. Thanks. So a second Pi3 is wiser. Thanks :)
[1:14] * theRealGent (~theRealGe@unaffiliated/therealgent) Quit (Ping timeout: 255 seconds)
[1:17] * linuxuser08 (linuxuser0@gateway/vpn/privateinternetaccess/linuxuser08) has joined #raspberrypi
[1:17] * JasonCL (~JasonCL@cpe-2606-A000-4E4D-A300-C1D5-B059-CE58-1469.dyn6.twc.com) Quit (Remote host closed the connection)
[1:18] * linuxuser08 (linuxuser0@gateway/vpn/privateinternetaccess/linuxuser08) Quit (Client Quit)
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[1:18] * JasonCL (~JasonCL@cpe-2606-A000-4E4D-A300-1410-8941-FB04-B860.dyn6.twc.com) has joined #raspberrypi
[1:18] * sir_galahad_ad (~aaron@cpe-76-179-65-199.maine.res.rr.com) Quit (Read error: Connection reset by peer)
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[1:21] * shantorn (~shantorn@184-100-234-79.ptld.qwest.net) Quit (Client Quit)
[1:26] <Foxfir3> [Saint]: great. been looking for that for ages :D so from the termianl I should be able to wpa_passphrase + ssid, and If leaving out the password, it will be read from the configfile. Thats a really painless way of connecting. Next step OpenVPN :)
[1:29] <[Saint]> Foxfir3: you shouldn't need to do anything to connect specifically.
[1:30] <[Saint]> networkd/wpa_supplicant should bring up any configured interfaces automatically.
[1:30] <[Saint]> (it'll even handle WLAN/ETH switching)
[1:31] <Foxfir3> aha. I will connect automatically. sorry. stupid. obviously thats what happens when I unplug my thinkpad.
[1:32] * Codsworth (~Codsworth@176.67.84.242) has joined #raspberrypi
[1:33] * JasonCL (~JasonCL@cpe-2606-A000-4E4D-A300-1410-8941-FB04-B860.dyn6.twc.com) Quit (Ping timeout: 260 seconds)
[1:33] <Codsworth> so what's the best rpi3 case out that provides great cooling?
[1:34] <[Saint]> FLIRC's billet case.
[1:34] <Codsworth> i'l check it out
[1:34] <[Saint]> Damn near indestructible, with a great thermal mass.
[1:34] * JasonCL (~JasonCL@cpe-2606-A000-4E4D-A300-1410-8941-FB04-B860.dyn6.twc.com) has joined #raspberrypi
[1:34] <[Saint]> Once it hits ambient, it's basically a rock.
[1:35] <Codsworth> yea that's the case I was looking at last year people were complaing the heatsink didn't match up perfectly
[1:35] <Codsworth> I'm guessing that issue is fixed now
[1:35] * RoaryTiger is now known as PumpkinHead
[1:35] * davr0s (~textual@host81-153-204-241.range81-153.btcentralplus.com) Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
[1:35] <[Saint]> They've always been fine for me. I dunno. YMMV.
[1:35] <[Saint]> Jam some thermal compound in there and it doesn't really matter.
[1:35] <[Saint]> Honestly though, none of it really matters.
[1:36] <Codsworth> it looks like it has been slightly redesigned now to fix correctly
[1:36] <[Saint]> Pi's perfectly capable of it's own thermal management.
[1:37] <Codsworth> [Saint] my PI shows the thermal icon often
[1:37] <[Saint]> What are you doing to the poor thing?
[1:37] <Codsworth> streaming 1080[
[1:38] <[Saint]> Most of my pis are doing that day in day out on the regular. What operating system are you doing this under?
[1:39] <Codsworth> libreelec / kodi
[1:39] <[Saint]> You overclocking it?
[1:39] <[Saint]> 'cos, I'm doing the same thing, and mine sit at ~62C solid.
[1:39] <Codsworth> no but it does it mostly large movies 8+gb
[1:40] <Codsworth> bluray etc
[1:40] <Codsworth> and of course 4k causes issues.. but I don't try to stream that
[1:41] <[Saint]> 'causes issues' is a weird way to spell 'doesn't work in any shape or form'.
[1:41] <[Saint]> pi just physically can not push that many pixels.
[1:42] <Codsworth> true, but it doesn't stop my wife from attempting to play them lol
[1:42] <[Saint]> if you're using what I think you are, a certain biblically named add-on, you can limit the maximally supported resolution that'll be scraped.
[1:43] <[Saint]> just hard limit it to 1080.
[1:43] <Codsworth> I wish I could disable playback for anything over 1080
[1:43] <Codsworth> or filter the media
[1:44] * JasonCL (~JasonCL@cpe-2606-A000-4E4D-A300-1410-8941-FB04-B860.dyn6.twc.com) Quit (Remote host closed the connection)
[1:45] <Codsworth> thanks for the suggestion on the case, i'll go with that one
[1:47] * bpye (~quassel@unaffiliated/bpye) Quit (Remote host closed the connection)
[1:47] * bpye (~quassel@unaffiliated/bpye) has joined #raspberrypi
[1:47] <[Saint]> I just use them for the few units I have that sit out in the open.
[1:48] <[Saint]> the majority of my pis are just screwed straight to the back of a display panel with one of the VESA mount holes.
[1:48] * vstehle (~vstehle@rqp06-1-88-178-86-202.fbx.proxad.net) Quit (Ping timeout: 255 seconds)
[1:48] * Kev- (~Kev@donk.hlekkir.is) Quit (Ping timeout: 265 seconds)
[1:48] <[Saint]> just hit 'em with some canned air every other month.
[1:49] <[Saint]> they don't thermal limit unless there's a stuck daemon or I'm trying to do something stupid.
[1:49] <Kryczek> there are some cases with VESA mounts :)
[1:50] * Kev- (~Kev@donk.hlekkir.is) has joined #raspberrypi
[1:50] <Codsworth> Id like to get a pi with a touchscreen togeth in a nice case
[1:51] <Codsworth> together*
[1:51] <Codsworth> might buy an extra Pi to do that
[1:51] <[Saint]> Pretty much any Android tablet will be cheaper and more powerful, versatile.
[1:51] <Foxfir3> [Saint]: running iwlist scan. "interface doesnt support scanning" ?
[1:52] <Foxfir3> [Saint]: oh.. video. xserver goes black and freezes and I open a video with VLC. maybe thats the wrong softare for the task in this case?
[1:53] * Ilyas (uid43013@gateway/web/irccloud.com/x-snunuinhkkiryrkx) Quit (Quit: Connection closed for inactivity)
[1:53] <[Saint]> *which* interface? There'll be at leat two.
[1:53] <[Saint]> scanning not supported on eth, or loop, is completely expected for instance.
[1:53] <Codsworth> [Saint] , right now I use an old wifi nexus 7
[1:53] <Codsworth> it doesn't support all the things my pi can do
[1:54] <[Saint]> such as?
[1:55] <Codsworth> wireless network auditing and compatibility with network adapters
[1:55] <Codsworth> no usb ports to acess data, unless I use usb2go
[1:55] <[Saint]> It's absolutely compatible with external network adapters.
[1:56] <[Saint]> and auditing if the chipset supports it.
[1:56] <[Saint]> I think you're conflating android problems with hardware problems. You can shroot a full debian distro on this thing if you want to.
[1:56] <[Saint]> *chroot
[1:57] <Codsworth> I admit i
[1:57] <Codsworth> im not that experienced with android
[1:57] <Foxfir3> [Saint]: sorry. I get It now :) not as magical as I expected.
[1:57] * JasonCL (~JasonCL@cpe-2606-A000-4E4D-A300-2C16-2633-25EF-A8E8.dyn6.twc.com) has joined #raspberrypi
[1:58] <Foxfir3> I never got video to work on the Pi3. when opening with VLC screen goes black. no prompt.
[1:59] <Codsworth> [Saint] , what would reccomend? for what I described
[1:59] <Codsworth> as far as tablets go
[2:00] * ChunkzZ1 (uid233645@gateway/web/irccloud.com/x-knneqwkqpdiqfdaq) Quit (Quit: Connection closed for inactivity)
[2:00] <Codsworth> I want something with a compatible chipset but to do that it seems like you always have to buy old devices or use usb2go with a network adapter
[2:02] <[Saint]> IS that N7 2012 or 2013?
[2:02] <[Saint]> *Is
[2:02] * JasonCL (~JasonCL@cpe-2606-A000-4E4D-A300-2C16-2633-25EF-A8E8.dyn6.twc.com) Quit (Ping timeout: 252 seconds)
[2:02] <Codsworth> 2012
[2:02] <Codsworth> wifi only
[2:02] <[Saint]> Then your internal wireless supports monitor mode just fine.
[2:03] <[Saint]> Go play with the Kali nethunter package for N7
[2:03] <Codsworth> yea, that's why I've been using it but it's getting pretty old, needs a new battery and just cant keep up with the newer tablets
[2:03] * akk (~akkana@75-161-91-17.albq.qwest.net) Quit (Quit: +++)
[2:03] * Syliss (~Hobomobo@asa1.digitalpath.net) Quit (Remote host closed the connection)
[2:03] <Codsworth> I need to install the newest nethunter though, my copy is about a year old
[2:03] * phirephly (~kenneth@44.4.17.2) Quit (Ping timeout: 265 seconds)
[2:04] <Codsworth> kali just released the first update for 2018 a few days ago, looks like
[2:06] <[Saint]> I don't really have any recommendations for modern Android tablet hardware for this use case. My suggestion was likely to be the N7 wifi.
[2:06] <[Saint]> The tablet market kinda died.
[2:06] * HalfMadDad (~patrick@184-175-23-21.dsl.teksavvy.com) Quit (Quit: Leaving)
[2:06] <Aenid> [Saint]: Really?
[2:06] <[Saint]> With phones being ~6.5"+ now, there's not much of a market for them.
[2:07] <Aenid> Ah wow, I see.
[2:07] <[Saint]> outside of the productivity/gaming specific ones.
[2:07] <Aenid> I guess the mobile platform as a whole had to evolve.
[2:07] <[Saint]> My current phone is larger then my first ever "tablet" was. It amuses me no end.
[2:08] <Aenid> To find the best screen size. Now they can all merge.
[2:08] <Aenid> [Saint]: Haha, interesting.
[2:08] <Codsworth> any phones able to do what I'm looking for?
[2:08] <Codsworth> I'm actually in the market for a phone upgrade as well
[2:08] <Aenid> I've got a 7 inch tab that I still use for development.
[2:08] <Aenid> Maybe I'll go with one of these phones next time.
[2:09] <Aenid> Way more portable, at least.
[2:09] <Codsworth> [Saint] , I'm upgrading my nethunter right now :)
[2:09] <Codsworth> I might just buy a new battery for my N7 , it's been reliable and it's still in good shape no cracks or anything
[2:10] * NullMoogleCable (NullMoogle@cpe-45-46-192-219.rochester.res.rr.com) has joined #raspberrypi
[2:11] <[Saint]> I haven't really looked at modern mobile hardware in this sense for a long time.
[2:11] <Aenid> I notice the Galaxy S8 is 6.2 inches.
[2:11] <[Saint]> I use WiFi Pineapple/PineAP paired with my phone for my spectro-anarchy pentesting needs.
[2:11] <[Saint]> But that's a little expensive if you want something less targeted.
[2:12] <Codsworth> speaking of expensive.. i've been wanting a hackrf for a while but I just cant bring myself to getting one
[2:13] <[Saint]> Aenid: that'll be the S8+, S8 is 5.8"
[2:15] <[Saint]> 1440 x 2960 6.2" 18.5/9
[2:15] <Kryczek> Codsworth: HackRF and such new SDRs are actually very cheap compared just before when one needed to shell out $2000+ to do the same with an USRP
[2:15] <Kryczek> ...which was already the cheap option compared to National Instruments stuff etc
[2:16] <Codsworth> Kryczek , I remember when they were over 1k but as a hobbist it's still hard to spend $400-500 :/
[2:16] <Codsworth> I just bought a new scope before christmas set me back $600
[2:16] <[Saint]> consumer SDR market really shook things up a bit.
[2:16] <Codsworth> what i'm pissed over right now is the shortage of gfx cards
[2:17] <Kryczek> Codsworth: £200 here in the UK; maybe there are better prices for the HackRF in a different shop for your region?
[2:17] <[Saint]> before it was kinda like medical hardware. exorbitant prices, 'cos, where else were you gonna get the hardware from?
[2:17] <Codsworth> I really need a new one but the prices are thru the roof
[2:17] <Codsworth> Kryczek , if I could get for for $200 usd Id be happy
[2:18] <[Saint]> If ifs and buts were haves and musts, we'd all be kings and queens.
[2:18] <Kryczek> Codsworth: hah yeah, tell me about it... I saw 1080Ti's for £580 one day on Amazon, I added them to my basket... thought it can probably wait until the evening... and nope
[2:18] <[Saint]> - thanks, you just turned me into my mother.
[2:18] <Codsworth> lol
[2:19] <Codsworth> I want a 1080ti bad
[2:19] <Kryczek> Codsworth: I ended up buying a Titan Xp from nVidia directly, that's the only place still selling at MSRP
[2:19] <Codsworth> the card im using now doesn't even get updates anymore
[2:19] <Codsworth> last update was like 2015
[2:20] <Kryczek> so? the last drivers for it must have been perfect, no? :P
[2:20] <Codsworth> If only... lol
[2:21] <Kryczek> I don't understand why GPU drivers adapt to games now, instead of the other way around
[2:21] <[Saint]> $$$$
[2:21] <Codsworth> ^
[2:21] <[Saint]> that's why.
[2:21] <Kryczek> care to elaborate?
[2:21] * darkdrgn2k (~darkdrgn2@unaffiliated/darkdrgn2k) has joined #raspberrypi
[2:21] * rorro (~rorro@h-170-152-58.A163.priv.bahnhof.se) Quit (Ping timeout: 248 seconds)
[2:21] <darkdrgn2k> hi all
[2:21] <darkdrgn2k> im trying to set my audio output to be over usb (card 1) but recording from onboard (card0)
[2:21] <darkdrgn2k> any one kno whow to do it?
[2:22] * BitEvil (~quassel@tor/regular/SpeedEvil) has joined #raspberrypi
[2:22] * SpeedEvil is now known as Guest72866
[2:22] <Kryczek> the RPi has a microphone?
[2:22] <[Saint]> No.
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[2:23] <Kryczek> ...input, but yeah I just checked
[2:23] <Kryczek> darkdrgn2k: no audio in
[2:24] <[Saint]> Presumably they are running an external DAC/capture card.
[2:24] <darkdrgn2k> Kryczek: yes granted, lets call it card 3 then
[2:24] <Kryczek> darkdrgn2k: did you mean the other way around maybe?
[2:24] <darkdrgn2k> or rather card2
[2:25] <darkdrgn2k> how do i do out on card 1 but in on card 2
[2:25] <darkdrgn2k> for out i tried "defaults.pcm.card 1
[2:25] <darkdrgn2k> " which worked
[2:26] <darkdrgn2k> pcm.!default { type hw card 1 }
[2:26] <darkdrgn2k> works also but i have to specify channels in speaker test
[2:26] <[Saint]> Kryczek: to answer the question, so they can claim "runs best on *" and the like. Artificial exclusivity.
[2:27] <darkdrgn2k> but not sure how to configure the mic
[2:27] <gamma-x> i have a systemd service that is enabled but not running can anyone help?
[2:28] <darkdrgn2k> gamma-x, systemctl enable servicename.service
[2:28] <[Saint]> "that is enabled but ..."
[2:28] <linuxuser08> systemctl start ...
[2:28] <gamma-x> i did that. it shows up as enabled.
[2:28] <gamma-x> but upon reboot.... no service running. it will start if i do systemctl start foo.service
[2:28] <darkdrgn2k> did you check your logs?
[2:29] <darkdrgn2k> why it didnt boot
[2:29] <[Saint]> gamma-x: it sounds likely that you're not defining the prerequisite conditions in the service definition.
[2:29] <[Saint]> ie. service wants network, but is being enabled before networkd as the definition doesn't have wantsnetwork.
[2:29] <[Saint]> etc.
[2:29] <gamma-x> https://pastebin.com/wt8nxUkp heres the service
[2:29] <[Saint]> it works after boot because the prerequisite services are already up.
[2:29] <[Saint]> thats my running theory.
[2:29] <[Saint]> but we need logs if you don't want us to speculate.
[2:30] <gamma-x> [Saint], thats a possibility.
[2:30] * Dimik (~Dimik@ool-182e2df5.dyn.optonline.net) Quit (Ping timeout: 252 seconds)
[2:32] <gamma-x> [Saint], seems to be right https://pastebin.com/xtyCmX0Y
[2:32] <[Saint]> Dear diary, today I was right about something.
[2:33] <gamma-x> lol
[2:33] <gamma-x> how can i have this be called last?
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[2:36] <shauno> it should be that you put "After=network.target" in the Unit section, but .. your unit doesn't have a unit section :|
[2:36] <[Saint]> see https://www.digitalocean.com/community/tutorials/understanding-systemd-units-and-unit-files
[2:36] <[Saint]> shauno beat me to it, you'd use the "After" unit descriptor
[2:37] <[Saint]> and/or wants/requires.
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[2:38] <shauno> yeah, I shouldn't say "should be". what I mean is "I do ..". I'm pretty much winging it too, but mine works
[2:38] <gamma-x> [Saint], i found this "Type=idle" waits for system to cool down first...
[2:38] <HermanDE> Morning Folks.... I'm looking for some suggestions for putting large graphics and text on an HDMI monitor without XWindows.
[2:39] <[Saint]> 'idle' may not ever actually happen on any given system.
[2:39] <shauno> my unit looks like http://paste.debian.net/1009823/
[2:39] <HermanDE> I've been unsuccessful with pygame, SDL and openGL.
[2:40] <[Saint]> honestly it looks as though you could very well be doing this with just start-stop-daemon.
[2:40] <[Saint]> from your service file you don't have any exotic requirements.
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[2:41] <[Saint]> I don't want to complicate things either, but, I'm not certain you want to be running this as root.
[2:42] <[Saint]> principles of least operation, and all the jaz.
[2:42] <[Saint]> should be a dedicated user with minimal permissions/groupset.
[2:42] <gamma-x> changed it to thi https://pastebin.com/90JQwcP1
[2:43] <[Saint]> I just looked at what the service you're actually starting is...and, yeah. Get it running first, then look at transitioning to a minimally permissive user association.
[2:43] <gamma-x> [Saint], i agree... this was just a simple way to get rolling without complication of exact paths. etc.
[2:44] <gamma-x> im gonna reboot it and see how it goes
[2:44] <gamma-x> its only purpose is to run that one thing... im in love with the pi zero though! cant believe its capabilities. is there any sites showing what its capable is?
[2:45] <[Saint]> you probably don't want restart=always, but it probably won't hurt you too much.
[2:45] <[Saint]> on-failure is a saner default IMO.
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[2:45] <gamma-x> ok
[2:46] <[Saint]> Sometimes I miss sysvinit.
[2:47] <[Saint]> ...but then I think about that for a second, and punch myself in the muffin.
[2:48] * dreamon__ (~dreamon@unaffiliated/dreamon) Quit (Ping timeout: 248 seconds)
[2:50] <gamma-x> [Saint], xlinkkai.service loaded failed failed Xlink Kai Engine
[2:50] <gamma-x>
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[2:52] <gamma-x> still no worky https://pastebin.com/c3n7Udwj
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[2:55] <gamma-x> whats killing me is that when i start it with sysytemctl it works every time
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[3:04] <shauno> makes sense. it's dying because it can't reach dns. I assume by time you start it by hand, dns is reachable
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[3:05] <gamma-x> is there another thing i can do to make it wait like 10 seconds?
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[3:05] <gamma-x> shauno, basicly... how can i get it to wait longer? i have it to wait after net
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[3:08] <shauno> I'm not sure why Restart on-failure isn't kicking it
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[3:42] <prototron> Hey
[3:43] <prototron> I have to setup an environment variable for a certain application to work as it should
[3:43] <prototron> So I set it up in /etc/bash.bashrc
[3:43] <prototron> The program works fine when I run it as current user, but not I run it as a service
[3:43] <prototron> any idea why?
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[3:47] <GrandPa-G> Is there any virtual keyboard built into the pi that I could use with a touch screen or better invoke it from a python program?
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[3:50] <[Saint]> prototron: bashrc is only read by interactive shells
[3:51] <shauno> the 'invocation' chapter in the bash manual never fails to boggle.
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[3:53] <prototron> humm ok
[3:53] <prototron> Actually, this var is only needed for a single service. Is there a way to make that single program use that var?
[3:54] <shauno> I normally give up and write a small wrapper for the binary before I get that far (the lazy, ugly solution)
[3:54] * rorro (~rorro@h-170-152-58.A163.priv.bahnhof.se) Quit (Ping timeout: 248 seconds)
[3:55] <[Saint]> that's not really 'giving up', that's basically the accepted solution.
[3:55] <[Saint]> it's not even clear if the unnamed service even calls a shell to source from.
[3:56] <[Saint]> prototron: add the following or a personalized variation of it to your service descriptor
[3:57] <[Saint]> "ExecStartPre=/bin/bash --login -c 'env > /etc/bash.bashrc"
[3:58] <shauno> oh, that actually reminds me
[3:58] <gamma-x> shauno, i added restartSec=8 and it worked perfectly. thanks for the help!
[3:59] <[Saint]> You /may/ also need to add an enviromentfile
[3:59] <shauno> http://paste.ubuntu.com/=PffYQYQWQ3/ is the systemd unit I'm using for plex server. that has a bunch of envars set
[3:59] <[Saint]> EnvironmentFile=-/etc/bash.bashrc
[3:59] <prototron> [Saint]: there is one already...
[4:00] <[Saint]> the "-" before the path means "shhhh baby, it's OK, we don't care if that file isn't there" which can be necessary if your service is creating the file itself.
[4:00] <[Saint]> You've just said 'service', so, I dunno what you're doing.
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[4:01] <[Saint]> But, yeah - assuming you're using systemd, execstartpre is your friend here.
[4:01] <prototron> I mean, there's alwady a EnvironmentFile line.
[4:01] <prototron> systemd indeed
[4:01] <prototron> anyway i'll try a second EnvironmentFile
[4:01] <[Saint]> No. Not a second one.
[4:02] <[Saint]> Just ensure execstartpre is defined and sources the environment you desire.
[4:02] <prototron> ok
[4:02] <[Saint]> It's no use defining an environmentfile if the service has already started before we need it.
[4:02] <[Saint]> it's already too late then.
[4:03] <[Saint]> startpre is "do this stuff before exec", which is exactly what you need to do to ensure it's run in the environment you desire.
[4:03] <prototron> ok thanks!
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[4:04] <[Saint]> For your use case just adding:
[4:04] <[Saint]> "ExecStartPre=/bin/bash --login -c 'env > /etc/bash.bashrc" to the [Service] definition block in your service descriptor shoud be fine.
[4:05] <[Saint]> sorry, I dropped a '.
[4:05] * Geekologist (~me@unaffiliated/geekologist) Quit (Remote host closed the connection)
[4:05] <[Saint]> should be reasonably obvious where it's supposed to live.
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[7:07] <Maai> lowly human resides
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[9:32] <Foxfir3__> what are the optimal overclock settings for the pi3? I lost data, and had few crashes. just running the cpu at 1350Mhz now, and ignoring other settings, but the system doesnt feel smooth
[9:33] <k_sze[work]> Does anybody know of a webcam server software that works on the Raspberry Pi and that can stream the the MJPEG stream directly from a USB camera?
[9:33] * dreamon_ (~dreamon@unaffiliated/dreamon) has joined #raspberrypi
[9:34] <k_sze[work]> I mean, my USB camera can return video encoded as MJPEG over V4L2, I wand the webcam server to stream that over the web directly.
[9:34] <k_sze[work]> s/wand/want/
[9:35] <k_sze[work]> motion-project can stream MJPEG, but it add a redundant decode-encode cycle.
[9:39] * wp (~wp@ua-84-219-215-81.cust.bredbandsbolaget.se) Quit (Quit: Leaving)
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[10:41] <gordonDrogon> Foxfir3, optimal settings are the ones it comes with - ie. none ...
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[11:31] <ssdf> what would be a good abstract name for any device that can take pictures? that is, not only a camera but for example also a radar or ultrasound device creates an image
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[11:32] * v01d4lph4 (~silent_fr@103.248.86.222) Quit (Read error: Connection reset by peer)
[11:32] <ssdf> ImageProvider sounds poor
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[11:34] <BurtyB> ssdf, imager?
[11:35] * iLike (~iLike@unaffiliated/ilike) Quit (Ping timeout: 264 seconds)
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[11:36] <gordonDrogon> audiolectromagnetic imager ...
[11:39] <gordonDrogon> Sire, it be an imageing device that utilises ye bat ping, and micro miniature wibbly wobbly stuff that are both visible and invisible to us...
[11:40] <ssdf> Imager is perhaps good
[11:40] <ssdf> ImagingDevice
[11:40] <gordonDrogon> magic eye.
[11:40] * DrJ (DrJ@gateway/vpn/privateinternetaccess/drj) Quit (Disconnected by services)
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[11:41] <gordonDrogon> and on that note, I have to briefly shut down, back soon.
[11:41] * gordonDrogon (~gordon@2001:4d48:ad51:8901::3) Quit (Quit: Where's the Kaboom?)
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[11:54] <darsie> Does the pi0(w) has 1/4 the computing power as a pi3?
[11:54] <darsie> have
[11:55] <Habbie> no
[11:55] <Habbie> why?
[11:55] <dan2wik> The Pi3 has a bit more performance per core than the Pi0.
[11:55] <darsie> Cause we're thinking to replace pi3 with pi0.
[11:55] <Habbie> darsie, 'just a bit'
[11:55] <HrdwrBoB> depends what you're doing
[11:55] <Habbie> darsie, then you should test
[11:55] <darsie> To decode qr codes.
[11:55] <Habbie> that sounds doable
[11:55] <Habbie> with the right software
[11:55] <darsie> mhm
[11:55] <HrdwrBoB> darsie: pi zero is cheap
[11:55] <HrdwrBoB> test it
[11:55] <darsie> ok
[11:56] <HrdwrBoB> only way to be absolutely sure
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[11:56] <darsie> Ahh, camera socket?
[11:56] <Habbie> is different apparently
[11:57] <darsie> Works with the same camera?
[11:58] * lemonshark (~phil@2a00:23c5:8507:3d00:1c8c:4ce6:ec3c:849) has joined #raspberrypi
[11:58] * mjgardner_ (sid182628@gateway/web/irccloud.com/x-rymiujxqibcebsyc) Quit ()
[11:58] <Habbie> as i understand it
[11:58] <Habbie> i just read some discussion about it over the weekend
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[12:08] <darsie> Ahh, seems to require a different cable: http://www.richardcastera.com/wp-content/uploads/2017/03/camera-connected-768x768.jpg
[12:09] <darsie> Looks like not all pin are connected.
[12:09] <darsie> pins
[12:09] <Habbie> these are both things i've heard over the weekend :)
[12:11] * AntiComposite (~AntiCompo@wikipedia/AntiCompositeNumber) Quit (Ping timeout: 265 seconds)
[12:13] * drewmcmillan (~drewmcmil@drm6.pip.aber.ac.uk) has joined #raspberrypi
[12:13] <darsie> Or they are all connected, but there are more pins on the connector: https://cdn.shopify.com/s/files/1/0174/1800/products/Camera_cable_3_of_3_-2_1024x1024.JPG?v=1463152036
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[13:56] <RaTTuS|BIG> https://shop.pimoroni.com/products/camera-cable-raspberry-pi-zero-edition Pi0 use the smaller camera conenctor [found on the CM module boards]
[13:56] * sdoherty (sdoherty@nat/redhat/x-xpicakfleoiowajp) has joined #raspberrypi
[13:58] * zoitub (~zoitub@66.129.50.30) Quit (Ping timeout: 260 seconds)
[13:58] <RaTTuS|BIG> they are just as functional as the full size ones - nothign is omitteded that is used on any camera
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[13:59] * ChanServ sets mode -o RaTTuS|BIG
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[14:03] * mbutz (~mbutz@unaffiliated/mbutz) Quit (K-Lined)
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[14:04] <audiofile> Is it a bad idea to expose my pi's IP to the Internet ?
[14:04] * Kev- (~Kev@donk.hlekkir.is) Quit (Ping timeout: 265 seconds)
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[14:04] <Habbie> audiofile, at least change the default ssh password if you do
[14:04] <acresearch> hello people, which CLI linux can i add into the raspberry pi?
[14:05] * Kev- (~Kev@donk.hlekkir.is) has joined #raspberrypi
[14:05] <MacGeek> raspbian lite is a version of raspbian without the gui.
[14:05] <acresearch> MacGeek: nice
[14:05] <Habbie> highly recommended
[14:06] <audiofile> sure, thanks
[14:06] * immibis (~chatzilla@122-59-200-50.jetstream.xtra.co.nz) Quit (Ping timeout: 240 seconds)
[14:08] <audiofile> Sooo, I can connect a bunch of external harddisks to my pi and access them from the Internet using SSH?
[14:08] <Habbie> yes
[14:08] <audiofile> COOL!
[14:08] <audiofile> I think I don't need samba
[14:10] <mfa298> samba is definetly one of those things you probably shouldn't expose to the internet (and may well be blocked by various people on the network edge)
[14:10] <Habbie> if you do, put it inside a VPN
[14:11] * zoitub (~zoitub@66.129.50.30) has joined #raspberrypi
[14:11] <audiofile> huh? samba for local network access and SSH for accessing mounted HDD's from Internet. Is that a bad combo?
[14:12] <audiofile> I have a bunch of pc's on my local network
[14:13] * drewmcmillan (~drewmcmil@drm6.pip.aber.ac.uk) has joined #raspberrypi
[14:13] <mfa298> that's potentially a reasonable setup.
[14:14] <mfa298> the other option to consider for internet access is webdav,
[14:16] <audiofile> hmm never heard of it. Will check it out
[14:16] <audiofile> thanks :)
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[14:21] <mfa298> its a bit more effort to setup (particularly to be secure), but might provide a nicer interface to users, ssh/scp is just there and works fairly well
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[14:29] <_Jordan> Hey there I have a problem with activating a shell script on boot.The shell script runs a pyhton script after a 60 second sleep
[14:29] <_Jordan> The cron job does run the sh script on boot but the shell script doesnt call the python script.
[14:32] <audiofile> oh, I'm not one for fancy ui's :) webdav is a server?
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[14:51] <_Jordan> difference between running a cron job with sudo crontab -e and running without sudo?
[14:51] <gordonDrogon> with sudo you edit roots crontab, without, you edit your own.
[14:52] <_Jordan> Which one do I want to be using?
[14:52] <gordonDrogon> no idea - what are you trying to do?
[14:52] <_Jordan> run a python script on boot
[14:52] <_Jordan> sorry for being so undescriptive, this is out of my field
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[14:53] <gordonDrogon> you probably want to look at creating a systemd service - which I don't know how to do as I don't use systemd, but many others do.
[14:53] <gordonDrogon> the crude way is to call it from /etc/rc.local
[14:53] <gordonDrogon> so e.g. in /etc/rc.local put: /path/to/my/script &
[14:54] <_Jordan> I know i got told to RTFM when i asked about systemd.
[14:54] <_Jordan> some real butts on the IRC sometimes.
[14:54] <gordonDrogon> systemd does that to people.
[14:54] <_Jordan> So it seems
[14:55] <_Jordan> So my cron works.
[14:55] <gordonDrogon> did you use @reboot in the crontab?
[14:55] <_Jordan> It just worked. and i changed nothing
[14:55] <_Jordan> yeah
[14:55] <_Jordan> problemo solved for now
[14:55] <gordonDrogon> there's always more than one way to do something in unix.
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[14:58] <_Jordan> cheers for your help mate
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[15:42] <gordonDrogon> Anyone used any of the cheap HDMI switches with their Pi's? e.g. https://www.amazon.co.uk/GANA-Switcher-Splitter-Supports-HD1080p/dp/B075R2DFJ1
[15:42] <redrabbit> you can run anything from crontab
[15:42] <redrabbit> there's a little trick..
[15:43] <redrabbit> call your .profile and sleep for like 5 seconds
[15:44] <redrabbit> @reboot (. ~/.profile; sleep 5 && YOUR_COMMANDS/SCRIPT)
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[15:57] <gordonDrogon> well I ordered one anyway, so will wait & see ...
[15:57] <Habbie> i have one.. somewhere
[15:57] <Habbie> didn't try it with pi i think
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[16:01] <gordonDrogon> I went with the "4K" one - only 50p more, so maybe better quality, maybe just hype.
[16:02] <gordonDrogon> but not really going to complain too much for a 7 quid product...
[16:04] <Draylor> cant go wrong at £7
[16:05] <Draylor> besides, its amazon, not like they argue over returns!
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[16:10] <redrabbit> id use one with external psu
[16:11] <redrabbit> might work fine without it on the rpi3
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[16:33] <redrabbit> anyone using the Huawei E3531 in modem mode here
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[16:34] <redrabbit> atm i just use the regular nat with og firmware
[16:34] <redrabbit> works fine, i can use sms
[16:34] <redrabbit> wondering if i can cut power use without the middleman/nat
[16:35] * voltagex (sid133004@gateway/web/irccloud.com/x-palhkcayhgezbezp) Quit ()
[16:36] <redrabbit> ah all howtos use GPRS
[16:36] <redrabbit> that modem has 3G
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[16:36] <redrabbit> https://github.com/EMnify/doc/wiki/How-to-use-a-Huawei-E3531-in-Modem-Mode
[16:36] <redrabbit> would be dumb to stick to GPRS if 3G is available though
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[16:37] <redrabbit> not sure how that part works
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[16:37] <redrabbit> atm it uses 3G i get like 6/7mbps is decent for a failover/remote link
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[16:44] <gordonDrogon> redrabbit, there will be my intel desktop plus 1 or 2 Pi's on it - hopefully out of the 3 it'll get enough power.. although I really don't see why they can't just be a big mechanical switch, but maybe I'm missing something...
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[16:46] <redrabbit> costs less with electronics
[16:47] <redrabbit> quite a lot of pins to switch for mechanical
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[17:11] <gordonDrogon> that simply insane..
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[17:25] <shauno> you haven't priced out a 20way rotary switch lately?
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[17:30] <shauno> actually the datasheet for the tmds261b is interesting. seems there's some clock detection stuff going on too. wonder if that's like the zero-crossing stuff on analogue
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[17:34] <BurtyB> prob quite a high frequency to be switching through a clunker too
[17:39] <shauno> much easier to automate smd production too. one surface mount chip, two surface mount hdmi sockets. an led, a button, and your power socket.
[17:39] <shauno> that'd zap through a production line lickety-spit
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[19:16] <ali1234> what happens if you put "dtoverlay=dwc2" in config.txt and then boot on a rpi3?
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[19:28] <tempate> Hello. I just installed the latest version of Raspbian Stretch into a microsd and connected it to the rpi. Unfortunately I don't have an HDMI display available. Is it at all possible to use a pc or a mac as the display?
[19:29] <tempate> I do own an Asus that has an HDMI port. May I use that?
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[19:31] <xqb> you can try
[19:31] <xqb> and change the output with xrandr
[19:31] <xqb> I think raspbian doesn't come with xorg though
[19:31] <xqb> look it up online maybe there's another way to change output
[19:32] <xqb> so installing xorg may take some time
[19:32] <xqb> keep that in mind
[19:32] <xqb> especially on the sd card
[19:32] <xqb> of course there's always ssh
[19:33] <tempate> may I connect to it through ssh without any configuration?
[19:33] <xqb> I think so
[19:33] <xqb> but, try it and see
[19:33] <xqb> :)
[19:33] * tempate tries and sees
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[19:37] <Stromeko> tempate: You may to drop an (empty) file named ssh onto the boot partition for that to work.
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[19:40] <tempate> Stromeko & xqb: "ssh: connect to host 192.168.1.115 port 22: Connection refused"
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[19:42] <tempate> Stromeko, I have no idea how to do that, tbh
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[19:43] <redrabbit> look it up
[19:44] <current_user> hello, hows it goin, I'm trying to install minibian on my pi3 b 1.2 with the 3-12-16 jessie release. I'm following this guide: https://www.htpcguides.com/lightweight-raspbian-distro-minibian-initial-setup/ I'm actually stuck on the first bit. I can't any environment to show up on a monitor. I also can't see an ip when I connect the ethernet cable to it and go to my routers network map. I've restarted my pi and router
[19:44] <current_user> and modem and checked the hardware it all seems good to me.
[19:45] <Habbie> does raspbian work?
[19:45] <current_user> is that for me?
[19:45] * v01d4lph4 (~silent_fr@180.151.192.247) Quit (Ping timeout: 255 seconds)
[19:45] <Habbie> current_user, yes
[19:46] <current_user> well I had noobs on there and all was connecting fine
[19:46] <tempate> redrabbit, I just did. Most online content isn't very helpful as it assumes previous access to the rpi. I've port scanned it and all ports are closed.
[19:46] <Stromeko> The first partition on your SD card is FAT32, so you can just mount it and create a file with that name.
[19:46] <current_user> I also deleting all the partitions and formated to fat32
[19:46] <Stromeko> tempate: ^
[19:47] <current_user> *deleted
[19:47] <tempate> Stromeko, let me try, brb
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[19:48] <Habbie> current_user, so why do you want to run a two year old raspbian fork?
[19:48] <current_user> I'm making it into a backup server
[19:48] * vstehle (~vstehle@rqp06-1-88-178-86-202.fbx.proxad.net) Quit (Ping timeout: 260 seconds)
[19:48] <current_user> 2016 is the newest
[19:48] <Habbie> yes
[19:48] <Habbie> so why not just run raspbian?
[19:49] <current_user> because I don't understand how to make a backup server using raspbian
[19:49] <Habbie> then minibian won't be any easier
[19:50] <Stromeko> tempate: I'm not sure, but itis probably only effective on first boot, so you may have to write the image to SD again.
[19:50] <current_user> yeah but theres a guide at least
[19:50] <Habbie> that guide should work on raspbian
[19:50] <tempate> Stromeko, I just mounted the system back again to my pc.
[19:51] <tempate> Stromeko, it looks like it's created a root user having all the usual repositories. Should I just "touch ssh"?
[19:51] <current_user> well after minibian there is the other one that actually does the backup part - openmediavault
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[19:51] <tempate> Stromeko, I also have a different partition called "boot" instead of the other that's called "rootfs"
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[19:52] <current_user> https://www.htpcguides.com/install-openmediavault-raspberry-pi-nas-server-minibian/ this is the guide I'm following
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[19:53] <Habbie> if that works on minibian, it works on raspbian
[19:53] <current_user> oh okay
[19:54] <current_user> *flashing raspbian
[19:56] <tempate> Stromeko, it worked. Thank you so much!
[19:59] <Stromeko> tempate: OK, have fun then!
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[20:02] <tempate> will do
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[20:05] <pos> Is there a way to set the wifi mac address in cmdline.txt as with the wired one?
[20:07] <Stromeko> pos: No, but you can drop a wpa_supplicant.conf onto the boot partition.
[20:07] <Stromeko> Oh wait, you said MAC address.
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[20:11] <Stromeko> If the driver allows it it should be possible from the kernel cmdline. But I think the device gets activated only later, so that would be no use. You can alter module parameters by placing a corresponding file in /etc/modprobe.d I think.
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[20:12] <current_user> I have successfully booted into raspbian thanks Habbie
[20:13] <Habbie> current_user, yay
[20:15] <current_user> now I just have to figure out getting open media vault on there. I fee like I missed a step, I wanted to go through the install process and encrypt, but now Im in what looks like noobs
[20:17] <current_user> and bluetooth doesnt work
[20:20] * TehTreag (d02e6a05@gateway/web/freenode/ip.208.46.106.5) has joined #raspberrypi
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[20:23] <xMopx> is it possible to power on/off the raspi from the serial console or other GPIO wizardry?
[20:23] <gordonDrogon> there is no on-board power off circuitry on the Pi.
[20:23] <gordonDrogon> you can halt it when it will draw less power, but it's not turned off.
[20:24] * collyrium (~godlessfa@unaffiliated/godlessfather) Quit (Quit: WeeChat 2.1-dev)
[20:24] <xMopx> alright, thanks
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[20:26] <Habbie> current_user, how can you be in noobs if you imaged raspbian?
[20:27] <xMopx> gordonDrogon: hmm, this looks like the right direction: https://raspberrypi.stackexchange.com/questions/19554/is-it-safe-to-use-the-gpio-p6
[20:27] <current_user> idk it just looks a lot like noobs. like exactly like noobs.
[20:27] <gordonDrogon> xMopx, that's just the reset switch.
[20:28] <xMopx> gordonDrogon: sounds like it will power up the device from a wake state too, exactly what im looking for
[20:28] <gordonDrogon> it will.
[20:28] <xMopx> err, halt state
[20:28] <xMopx> perfect!
[20:28] <gordonDrogon> as will shorting one of the I2C pins to 0v too.
[20:29] <gordonDrogon> but if you're loking for very low power when halted then this is not the right solution. you're almost better off just leaving it on.
[20:29] <xMopx> oh it's now power im worried about. I want to be able to remotely reset my PIs
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[20:30] <xMopx> this + serial console seems like a nice combination
[20:30] <xMopx> I want to build more or less an ipkvm. One master pi that I can ssh to and access serial consoles of many other PIs. Or reset the other pis
[20:30] <Stromeko> xMopx: you might want to use one of these: https://shop.pimoroni.com/collections/raspberry-pi/products/onoff-shim
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[20:31] <xMopx> hmm nice device but not quite what im on about
[20:31] <Stromeko> The rough way is to use one of those IP-enabled power outlets.
[20:32] <Stromeko> Yes, not exactly, but that place where you can solder a button to you can also put a GPIO from another rPi or an ESP8266 or whatever.
[20:32] <xMopx> what I do like about that shim is that it gives me a rear-facing USB power plug, hmmm
[20:33] <xMopx> Ah yeah
[20:33] <xMopx> I think the reset header is sufficient for my uses
[20:34] <Stromeko> Then that's already there… :-)
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[20:35] <Stromeko> I'd still program something to monitor a GPIO to at least attempt a clean shutdown before doing the hard reset.
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[20:35] <xMopx> i want to expose both options to the user, sorta like an IP KVM
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[20:45] <gordonDrogon> Stromeko, it's a 2-line shell script.
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[20:47] <gordonDrogon> http://lion.drogon.net/buttonBoot
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[20:49] <gordonDrogon> you can monitor the run state by looking at the output of the serial Tx line - it will go low when the Pi has halted.
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[20:54] <wp> mmal: Camera is not enabled in this build. Try running "sudo raspi-config" and ensure that "camera" has been enabled
[20:54] <wp> i did that - it is enabled now but still the same problem
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[20:54] <wp> how can i debug?
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[21:03] <MacGeek> maybe it needs a reboot?
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[21:03] <wp> aha
[21:05] <wp> it worked!
[21:07] <Stromeko> gordonDrogon: Thanks, I didn't think it was complicated, but it's good one can just pull it from a repo. Btw, "pulling TX low" is otherwise known as "sending BREAK". :-)
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[21:13] <wp> what is the recoomended library for using the camera from C/C++?
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[21:23] <wp> are python and C programs just using shell commands fro the camera or is there a progrmamign interface to it?
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[21:26] <shauno> I think they're using mmal? but you may find interesting https://github.com/raspberrypi/userland/tree/master/host_applications/linux/apps/raspicam/
[21:27] <shauno> ("use the source, luke" used to sound like a term of empowerment. These days it's just admitting that most of my dayjob involves copy'n'pasting stuff off google results)
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[21:34] <red9> shauno, Maybe another language would allow you to express functionality more and reduce the copy&paste ?
[21:34] <red9> LISP etc supposedly is way more powerful, but hard to learn.
[21:36] <wp> anyone know a good guide to work with C code and the camera(mmal or whatever)?
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[21:37] <red9> I think the foundation have a description (on camera use)
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[21:37] <stiv> you don't want lisp. you want something with bindings to talk to the hardware (like python) or that can do it directly like C
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[21:39] <red9> Except Pythin is totally nazi when it comes to code formatting (indentation..)
[21:40] <[Saint]> Strictly enforced human readability measures are a Good Thing(TM).
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[21:41] <stiv> that's your objection to it? thanks for playing
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[21:49] -tomaw- [Global Notice] There'll be a brief NickServ and ChanServ downtime in around 20 minutes while we move them back to their native location.
[21:50] <red9> Humans are not a deterministic quantity. And different situations call for different solutions (to readabilit) so any One-Solution-One-People etc.. is a bad idea.
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[21:52] <red9> If people can't handle programming. Maybe they shouldn't do it for a living. Just like not everybody is suited to be surgeon.
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[22:03] <gordonDrogon> Stromeko, no - don't pull Tx low - listen to the Pi's Tx line - when it goes low it means the Pi has completed the halt sequence and it's safe to pull the plug.
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[22:15] -tomaw- [Global Notice] All's back up and running now! Thanks for flying freenode :)
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[22:19] <Greg-J> What would be the most cost effective way to get audio out of a compute module 3 if all the original 40 pins GPIO are being used to run a DPI display, making PWM0 and PWM1 inaccessible?
[22:20] * Silversword (silverswor@gateway/vpn/privateinternetaccess/silversword) has joined #raspberrypi
[22:21] <Greg-J> Oh wait a second, the original 40 pins only actually go up to GPIO27 right? So does that mean I could use the ALT0 functionality of GPIO40 and GPIO41 as PWM0 and PWM1 respectively?
[22:22] <wp> expected �char * const*� but argument is of type �const char *�
[22:22] <wp> <. what the hell is a char* const* ?
[22:22] <shauno> I *think* DPI should live entirely on bank0, so you should still have pwm0 & pwm1 on bank1
[22:28] <shauno> curious, do you have a cmio board? it's starting to sound like you're getting a board made entirely on faith
[22:32] <Greg-J> I don't have a MCIO board shauno, no. Right now I'm experimenting with some ideas. I have a guy working with me who has been doing PCB design for 13 years and am leaning on his expertise. But I like to try to figure it out as best I can myself before going to him.
[22:32] <Greg-J> MCIO*
[22:32] <Greg-J> CMIO*
[22:32] <Greg-J> Jesus
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[22:33] <Greg-J> At this point I'm just pouring over all available CM3 documentation, the CMIO schematics, and any relevant projects that have info on them.
[22:34] <Greg-J> I'm also designing two projects/boards simultaneously and up until now I haven't explored video output options for the 2nd project.
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[22:35] <Greg-J> I don't think I need to use bank0 on that project for anything else, so using it as DPI would be ideal.
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[22:42] <wp> is the re a smart way to name a file the same timestamp as it has automatically?
[22:42] * LudusLight (~lightamaz@104.131.37.45) Quit (Ping timeout: 240 seconds)
[22:42] <Greg-J> wp, there is a ton of software that does this
[22:43] <Greg-J> I don't know of any on *nix off the top of my head, but I use one called Advanced Renamer on windows.
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[22:43] <Greg-J> https://www.advancedrenamer.com/
[22:44] <Greg-J> If you want to do it programatically, that's easy as well and I can help with that if you tell me what language you'r wanting to use.
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[22:52] <shauno> this is why you never ask Shaun: for FILENAME in *; do mv "$FILENAME" $(date +'%Y%m%d_%H%M%S' --date=@$(stat --format='%Z' "$FILENAME"))_"$FILENAME"; done
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[22:53] <ldiamond> Where can I find specific information about the Raspberry pi zero w bluetooth.
[22:54] <ldiamond> I want to know if there's a binary blob, if not I want to look at the driver
[22:55] <[Saint]> shauno: if I read the question correctly I believe they're wanting to rename the file as the original creation timestamp.
[22:55] <Greg-J> That would have been an acceptable answer shauno, I just assumed if they were asking that question in that manner, they weren't going to do it in shell.
[22:56] <shauno> it was more intended to be messy than serious ;)
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[22:58] <[Saint]> wp: the "real" answer is....
[22:58] <[Saint]> "It's complicated".
[22:58] <Greg-J> It's super not though.
[22:59] <[Saint]> Greg-J: that's either very shortsighted or naive. Not sure which.
[22:59] <[Saint]> The system may not be able to determine the creation date of any given file.
[22:59] <shauno> if the file has exif, head -n%Y%m%d-%H%M%S *.jpg (random guess based on previous answers being about the camera)
[22:59] <wp> i want to do it from C code
[22:59] <shauno> ugh, *jhead, not head
[22:59] <wp> will using MMAL be faster than using shell commands from C?
[22:59] <shauno> the real answer is simply "yes". answer gets more detailed as the question gets more detailed
[23:00] <[Saint]> shauno: yes, that's a fair assessment.
[23:00] <Greg-J> [Saint], no part of renaming a file based on creation date is difficult. It gets a bit messy when you have dates stored differently, but it's not difficult.
[23:01] <[Saint]> Greg-J: you're failing to understand that the creation date may not even be known or accessible.
[23:01] * ShapeShifter499 (~ShapeShif@unaffiliated/shapeshifter499) Quit (Remote host closed the connection)
[23:01] <[Saint]> Look, here's an example:
[23:01] <[Saint]> File: .bash_history
[23:01] <[Saint]> Size: 4015 Blocks: 8 IO Block: 4096 regular file
[23:01] <[Saint]> Device: b302h/45826d Inode: 141523 Links: 1
[23:01] <[Saint]> Access: (0600/-rw-------) Uid: ( 1001/ saint) Gid: ( 1001/ saint)
[23:01] <[Saint]> Access: 2018-02-02 17:46:21.039967789 +1300
[23:01] <[Saint]> Modify: 2018-02-13 08:10:51.918357653 +1300
[23:01] <[Saint]> Change: 2018-02-13 09:38:21.954732054 +1300
[23:01] <Greg-J> Date Created is literally the creation date of a file. That doesn't mean it is when the photo was taken or video recorded, but it means that's the date the system created the date.
[23:01] <[Saint]> Birth: -
[23:01] <[Saint]> ...where's your God now, Greg-J?
[23:02] <[Saint]> Greg-J: see above.
[23:02] <[Saint]> How helpful is "-" in determining the creation date, do you think, Greg-J?
[23:02] <Greg-J> Are you really making the argument that you can't rename a file based on created date because you can't sure if created date is accurate?
[23:02] <Greg-J> Okay, then it's not accurate. But you can still do it based on the information you have.
[23:03] <[Saint]> Nice backpedal.
[23:03] <Greg-J> My god, you must me a treat in person.
[23:03] <wp> cant i just install opencv and my programs on the PI when i flash it?
[23:04] * TheSin (~TheSin@gateway.bluefalls.ca) Quit (Quit: Client exiting)
[23:05] <[Saint]> Greg-J: Christ dude, chill. There's no fault in admitting you're wrong about something or that your understanding is flawed.
[23:05] <Greg-J> My point is you're being pedantic about a very straight-forward function of the file-system.
[23:06] <[Saint]> It's not pedantry, the dude wants the creation date, if that's _not even known_, which can indeed be the case as evidenced, then obviously the solution is unworkable.
[23:07] <Greg-J> In any event, if it were me, I would loop through EXIF data and trust dates based on common sense looking for the oldest date. If no EXIF is present, take the oldest date between Created and Modified. This is going to get you exactly what you're looking for.
[23:07] <Gamma-X> IRC FIGHT!
[23:07] <Greg-J> If one of my guys
[23:07] <ldiamond> In the meantime, anyone know where to find very detailed information about the pi zero w bluetooth?
[23:08] <[Saint]> "take the oldest date between creation and modified"
[23:08] <[Saint]> ...holy shit, what is it that you're not getting about creation date not always being a known metric?
[23:08] <[Saint]> This isn;t a diffcult concept.
[23:08] <Greg-J> What is it you're not getting about providing a solution that provides the best possible outcome?
[23:09] <shauno> this is why he needs to explain what he's actually trying to do. half an hour ago he was trying to manipulate the camera. chances are he can know the creation date, simply by recording the date when he takes the picture
[23:09] <Greg-J> You're saying "you can't be 100% sure, so you shouldn't even try" which is asinine.
[23:09] <[Saint]> Greg-J: where exactly did I say that?
[23:09] <gordonDrogon> Linux and historically Unix has never stored the creation date of a file.
[23:09] <[Saint]> gordonDrogon: thank you. some sense.
[23:10] <Greg-J> In any event, I really don't have the time to make you feel better about your approach on this. He asked how to do it, not if it was 100% accurate.
[23:10] <Gamma-X> exif data for the win. unless date is reset somehow
[23:10] <[Saint]> Greg-J: are you just totally incapable of admitting that you're wrong, or what?
[23:11] <gordonDrogon> just as easy to construct the filename to contain the date - iso8601, etc.
[23:11] <[Saint]> You're taking this as a personal affront, and it's amusing as almighty hell.
[23:11] <shauno> heh, I hate exif dates. my wedding photos are spread over a 10 year span, because we grabbed them from everyone's camera, and I seemed to be the only correct date there
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[23:12] <[Saint]> gordonDrogon provides the most workable and obvious solution, handle this at the time of creation.
[23:12] <Gamma-X> ouch. you can use grub and change date times with known times of certain photos?
[23:12] <[Saint]> attempting to do it after the fact is going to get you a guess between last accessed and modified times.
[23:12] <[Saint]> I certainly read the initial question as wanting it to be specific, not a best estimate guess.
[23:13] <gordonDrogon> last-accessed is fairly moot these days with atime mounts though.
[23:13] <[Saint]> Yes. Indeed.
[23:13] <gordonDrogon> rather noatime ...
[23:13] <[Saint]> I knew what you meant. :)
[23:14] <ldiamond> BCM43438 ?
[23:14] <shauno> seriously. find out what he's actually trying to do, and this will all seem suddenly very silly
[23:14] <gordonDrogon> ldiamond, it's all supposed to work through the usual linux kernel drivers, however I've never used bluetooth, so can't really help there
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[23:18] <[Saint]> wp: MMAL is just a hardware abstraction layer, any solution is going to be just as fast as any other solution as long as the language or code structure isn't introducing delays.
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[23:19] <[Saint]> You could do it in bash, C, python, hell do it in cobol if you want.
[23:20] * gormenghast (~gormengha@samuelviel.fr) Quit (Quit: Quit)
[23:20] <[Saint]> Do it in BF if you really hate yourself.
[23:22] <wp> [Saint], isnt there a dealy when starting a sheell for example? so mayeb direct code access is faster?
[23:24] <shauno> seems a silly roundabout way, to be honest. those shell commands .. aren't magic. they're using mmal from C. so instead of using mmal from C, you want to fork a shell to fork a process to ... use mmal from C? surely the question of which is faster is pretty obvious at that point
[23:25] <shauno> one will be faster to write, the other will be faster to execute. you get to pick your own priorities
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[23:40] <[Saint]> wp: there's not really any such thing as "direct code access" with a HAL. It's kind of the point of an abstraction layer.
[23:41] <wp> [Saint], yeah well if you add the sheel thats yet another layer/program
[23:41] * dansan (~daniel@2600:1700:be30:d00::49) Quit (Remote host closed the connection)
[23:41] <wp> i know what a hal is, have writtten some
[23:41] <[Saint]> wp: so would a C binary be.
[23:41] <[Saint]> Or, any binary.
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[23:42] <wp> raspistillyuv does nothing...
[23:42] <[Saint]> The absolute fastest way to interact with the hardware is always going to be on the metal.
[23:42] <[Saint]> But you don't really have this option here.
[23:42] <[Saint]> There's always going to be an intermediary service.
[23:43] * SAXiao (~Aimann@2607:fea8:5ac0:a12:1121:42b:ab87:fdb2) has joined #raspberrypi
[23:43] <[Saint]> How efficient that is or isn't is largely determined by the skill of the person implementing it.
[23:43] <wp> oh well it is good enough calling shell commands from C code
[23:44] <wp> now i will hook it up with OpenCV and detect burglars!
[23:44] * SAXiao (~Aimann@2607:fea8:5ac0:a12:1121:42b:ab87:fdb2) Quit (Client Quit)
[23:45] <wp> cant i just install opencv and my programs on the PI when i flash it?
[23:48] * TheWarden (~chatzilla@184.69.56.146) Quit (Quit: ChatZilla 0.9.93-rdmsoft [XULRunner 41.0.2/20180204095638])
[23:48] <[Saint]> Don't reinvent the wheel.
[23:48] <[Saint]> https://github.com/ccrisan/motioneyeos/wiki/Installation
[23:49] <[Saint]> It's pretty highly unlikely that you're going to be able to create a more efficient or rounded service than those already available.
[23:51] <[Saint]> If you need the device to be multi-purpose, seek out the documentation on motion directly. If you just want this to serve a specific purpose of semi-automated motion-capture detection/monitoring, motioneyeOS is your friend.
[23:52] * optimist (~hdtodd@c-75-68-175-17.hsd1.vt.comcast.net) Quit ()
[23:54] <[Saint]> wp: motionEyeOS is basically a JEOS spun using buildroot, with a motion backend and motionEye frontend.
[23:55] <[Saint]> opencv is really only interesting if you're wanting to do some very specific detection/object recognition.
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[23:56] <wp> i am doing the project to learn C++, Linux and the raspberry pi
[23:56] <wp> the application itself is less interesting
[23:56] <[Saint]> Ah. OK. Fair enough I guess. That part wasn't clear to me.
[23:57] * akk (~akkana@75-161-91-17.albq.qwest.net) has joined #raspberrypi
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[23:58] <mfa298> wp: Is there a particular reason for C++, for most things there are plenty of other (often better) languages.
[23:58] <[Saint]> wp: did you have a specific need or want to do this with opencv? It feels like overkill to me, but I guess I don't fully understand the scope of the project now I know it's for education purposes.
[23:58] <[Saint]> wp: I feel like you'd be better off doing frame based comparison w/ difference.
[23:59] <[Saint]> ffmpeg can do this, and I imaging you're probably going to want to use ffmpeg anyway for post processing and image stitching.
[23:59] <[Saint]> timelapse, transcoding, etc.

These logs were automatically created by RaspberryPiBot on irc.freenode.net using the Java IRC LogBot.