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  • [00:00:36] * Topic is 'http://beagleboard.org/chat has a guide on how to ask questions and links to the logs | never ask to ask, just ask | be patient | pastebin a boot log | http://ahsoftware.de/Beaglebone_Black_Boot_explained.svg | http://beagleboard.org/latest-images | http://beagleboard.org/Support/bone101 | direct bonescript/node.js questions to #beagle-bonescript | books: http://bit.ly/bbb-books'
  • [00:00:36] * Set by KotH!~attila@erica.kinali.ch on Wed Jul 15 13:55:07 UTC 2015
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  • [01:46:25] <twoten> hi, without a micro sd card my BBB does not show an angstrom console, how do I repair it?
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  • [01:47:40] <twoten> I'm following the instructions for the ti sdk, and my micro sd card doesn't show a console either
  • [01:48:06] <twoten> I have to get a usb to serial uart cable first
  • [01:48:29] <twoten> that ti sdk install is pretty complex
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  • [03:21:42] <yates> zmatt: i'm getting a printf("Could not get PHY for %s: addr %d\n", bus->name, addr); in the u-boot phy driver phy.c on u-boot start on our custom board: http://ur1.ca/og6f8 -> http://paste.fedoraproject.org/314332/69204114
  • [03:22:56] <yates> let me back up: i'm not getting a eth0 connection on my custom board using this image.
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  • [03:23:07] <yates> exact same image runs fine on the bbb
  • [03:23:28] <yates> this is like the 3rd line out the debug serial port on boot.
  • [03:23:42] <yates> "Could not get PHY for cpsw: addr 0"
  • [03:23:59] <yates> any ideas?
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  • [03:24:39] <yates> this smells like we have a hardware problem..
  • [03:25:08] <yates> the eth/phy interface was supposed copied verbatim from the bbb
  • [03:25:56] <zmatt> that's unfortunate since the BBB's phy is pretty flaky
  • [03:26:18] <yates> how so?
  • [03:26:19] <zmatt> it seems to be very fickle w.r.t. power and reset timing
  • [03:27:16] <yates> hmm
  • [03:27:16] <zmatt> in particular, if forced to use this phy, I would never have tied its reset to the processor reset but used a GPIO instead
  • [03:27:46] * florian_kc (~fuchs@Maemo/community/contributor/florian) Quit (Ping timeout: 240 seconds)
  • [03:28:52] <zmatt> does the phy behave normally? (its leds initially off, turning on with some auto-negotiation delay when plugging in)
  • [03:29:15] <zmatt> does the remote end see link up?
  • [03:30:00] <yates> lemme take a look
  • [03:32:36] <zmatt> the PGOOD output of the pmic (I'm assuming you've also copied that piece of shit tps65217) is not really suitable for resetting the phy, it doesn't remain asserted long enough. that's presumably why they've put such an absurdly large capacitor on nRESET on the bbb
  • [03:33:03] <zmatt> (the cap also completely muffles nRESET assertion by the cpu on warm reset)
  • [03:34:43] <yates> ok i don't see any indication on my router side when i plug in the board
  • [03:35:21] <zmatt> try resetting your board (not power cycle, reset)
  • [03:35:41] <zmatt> (or more specifically the PHY, but you probably can't do that without resetting the whole board)
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  • [03:37:02] <yates> hang on
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  • [03:40:43] <yates> nothing
  • [03:40:53] <yates> no lights, no indication whatsoever on the router side
  • [03:41:07] <yates> same router port/network cable works on the bbb
  • [03:42:05] <zmatt> to give an impression, here's a powerup sequence of a BBB: https://goo.gl/photos/iyJ7UZKiH3WWTUGU7 yellow = power consumption (shows spikes when caps are charged). the first part shows the sequenced power-up: ddr, 1v8 (blue line), some delay, 3v3 (cyan line), core and mpu, about 20 ms delay, nPOR-release (green) and nRESET-release (orange/brown)
  • [03:42:10] <yates> yup, just verified the light on the router for that port went on when i plugged in the bbb
  • [03:43:02] <yates> perhaps i should check the big things first, like power to the phy?
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  • [03:44:40] <zmatt> might be useful. another tip is: ground EMU0 (on jtag) while powering up, that will keep the CPU in wait-in-reset mode (all I/Os in default state) and lets you measure the PHY with less risk of shorting things, also lets you verify whether all strapping options are pulled correctly
  • [03:45:10] <zmatt> never mind that second part, that requires keeping the phy in reset
  • [03:46:03] <zmatt> actually, that's not a bad idea either: tie reset to ground, then both CPU and PHY have most of their lines high-Z and you can verify the strapping options of the PHY
  • [03:46:28] <yates> what do you mean "the strapping options of the PHY"?
  • [03:46:57] <zmatt> the pull-up/pull-down resistors on many of the phy's pins that are used to configure it
  • [03:48:15] <zmatt> a bunch of them (4 pulldowns and 3 pullups) shown in the topright corner of page 9 of the BBB schematic
  • [03:49:56] <zmatt> I think all 10K resistors on that page are strapping
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  • [03:52:34] <zmatt> also beware of resistors marked DNI, there are quite a few there
  • [03:55:22] <yates> is the "link up" light on the router essentially the state of p5-9 (LED1/REGOFF on the PHY)?
  • [03:56:24] <zmatt> it's both a strapping option (REGOFF) and the link/activity led (LED1)
  • [03:56:51] <zmatt> see phy datasheet
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  • [03:58:02] <zmatt> REGOFF is an unusual strapping option in that it's only sampled at power-up, not at reset
  • [03:58:40] <zmatt> (it determines whether it uses an internal regulator for its core supply or whether an external supply is provided)
  • [03:59:57] <yates> there is no strapping resistor on that line on the bbb schematic - just runs straight to the rj45 connector
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  • [04:00:10] <zmatt> it has internal pull-down in the phy
  • [04:00:26] <zmatt> i.e. it defaults to enabling the internal regulator
  • [04:00:38] <zmatt> verify by measuring VDDCR (pin 6)
  • [04:00:38] <yates> ah
  • [04:01:58] <yates> ok, let me save your information - i want to check a few more things out first. thanks matt
  • [04:02:05] <zmatt> yw
  • [04:03:34] <zmatt> and my condolences on having copied those specific parts of the BBB schematic (pmic and ethernet)...
  • [04:03:43] <zmatt> :P
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  • [04:05:14] <zmatt> be careful in handling ethernet, it seems the phy might be a bit ESD-sensitive, causing its core logic to lock up
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  • [04:13:34] <yates> heh.
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  • [04:16:25] <yates> are these eth connectors largely the same? i see the pins are a through-hole staggered pattern
  • [04:16:52] <yates> the suspicious thing is that pin 1 on the bbb connector is in a different place than pin 1 on our breadboard
  • [04:17:52] <yates> wait, no, that's not true.
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  • [04:32:55] <zmatt> note that it's not a mere connector but has integrated magnetics (and leds obviously)... no idea if there's any sort of "standard" footprint for these things
  • [04:33:35] <yates> doh!
  • [04:33:47] <yates> i didn't realize there were leds on that side (the bbb)
  • [04:33:54] <yates> are those what you wanted me to look at?
  • [04:34:02] <veremit> you can get all kinds of rj45 .. with/without magnetics and leds
  • [04:34:05] <zmatt> yah
  • [04:34:06] <veremit> all sorts of sizes
  • [04:34:19] <veremit> so I bet there's probabl a hundred or so footprints
  • [04:34:24] <zmatt> veremit: well, except "small" and "with magnetics" probably doesn't combine ;)
  • [04:34:28] <veremit> 10/100 .. 10/100/1000
  • [04:34:35] <veremit> zmatt indeed
  • [04:35:06] <veremit> ok I really should Zzz .. cya tomorra/aka Later I-)
  • [04:35:15] <zmatt> lol
  • [04:35:18] <zmatt> good morning to you too
  • [04:35:53] <zmatt> yates: yeah if the phy is confused then e.g. the link led might stay on while there's no cable inserted or stuff like that
  • [04:36:31] <yates> neither led comes on. dead as a doornail. tried power on and reset.
  • [04:36:42] <zmatt> measured vddcr ?
  • [04:36:43] <yates> with the cable inserted
  • [04:36:57] <yates> ewe - hardware?
  • [04:36:58] <yates> :)
  • [04:37:04] <zmatt> lol
  • [04:37:14] <yates> no. not yet..
  • [04:37:38] <yates> i see, thanks veremit
  • [04:37:41] <yates> good morning.
  • [04:37:50] <yates> where are you? what country?
  • [04:37:55] <yates> i'm usa.
  • [04:38:21] <zmatt> veremit is from UK, so it's way past bedtime ;)
  • [04:38:33] <yates> rather, U.S.M. - United States of Mexico.
  • [04:39:09] <yates> that was probably politically incorrect...
  • [04:39:22] <zmatt> I used to be a software guy too... well, still am, but I have no issue grabbing a scope when needed ( http://gerbil.xs4all.nl/bbb-pmic-testing.jpg )
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  • [04:39:45] <yates> showoff
  • [04:39:48] <yates> 4-channel too.
  • [04:39:49] <zmatt> ;)
  • [04:40:01] <zmatt> yeah unfortunately only 4 channels
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  • [04:40:11] <yates> how do you get those pics uploaded so fast?
  • [04:40:20] <yates> gerbil?
  • [04:40:26] <zmatt> it was already there
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  • [04:40:50] <zmatt> and that's my machine here at home
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  • [04:45:45] <yates> don't throw-up, i'm a pig: http://www.digitalsignallabs.com/lab.png
  • [04:46:11] <zmatt> hehe
  • [04:46:41] <yates> the board just in front of the PS is our custom board
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  • [04:50:55] <zmatt> I'm still a bit fascinated by this... https://goo.gl/photos/i9cemUHz2v9H5Z6R7 when the BAT and BATMON terminals of the pmic aren't connected together it can't really detect the (absent) battery's voltage, and somehow manages to draw current from it anyway
  • [04:51:06] <zmatt> resulting in BAT dropping below 0V and staying there
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  • [04:55:46] <yates> what is VDDCR supposed to be?
  • [04:56:55] <zmatt> ehh, 1.1 ? 1.2 ? I think something like that, check datasheet to be sure
  • [04:57:23] <yates> yeah, it's at 1.2V
  • [04:58:29] <yates> would an incorrectly-connected connector possibly cause the mmii itnerface not to reset
  • [04:59:03] <yates> "Could not get PHY for cpsw: addr 0"
  • [04:59:53] <zmatt> I wouldn't expect trouble on the analog side to cause the phy to become unresponsive on mdio
  • [05:01:59] <yates> so are you saying the nRST into the PHY should be delayed some from the SYS_RESETn input, ideally?
  • [05:03:52] <yates> perhaps our crystal isn't firing..
  • [05:05:32] <yates> just throwing out ideas.
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  • [05:10:10] <yates> going bed-time bye.
  • [05:10:28] <zmatt> you could also just extend SYS_RESETn... though personally I wouldn't connect them at all but use the datasheet-suggested circuit to reset at power on and/or use a gpio to reset the phy in u-boot
  • [05:11:01] <zmatt> but an improperly reset phy should still show activity on leds
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  • [05:11:13] <zmatt> no led activity at all means something worse is going on
  • [05:13:35] <yates> my bet is on a wrong footprint for the connector.
  • [05:14:13] <yates> none, zero, zilch, nada.
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  • [05:43:05] <yates> zmatt: does uboot deal with the device tree in any way?
  • [05:43:34] <zmatt> it loads it, makes minor modifications (e.g. ram size), and passes it to the kernel
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  • [05:44:23] <yates> i've noticed that the bbb's "link up" lights are on at uboot (pressed a space).
  • [05:44:37] <yates> so this probably can't have anything to do with the device tree, can it?
  • [05:45:00] <yates> s/probably/problem/
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  • [05:45:10] <yates> s/problem/probably/
  • [05:46:16] <yates> zmatt: by "loads it", i think you just mean load the structures into memory without acting on it further, right?
  • [05:46:34] <zmatt> weren't you going to bed? :P
  • [05:46:39] * zmatt is a bit support-tired
  • [05:46:56] <yates> actually i was in bed and got up to ask you this!
  • [05:47:22] <yates> oh, is that a hint (re: support-tired).
  • [05:47:29] <yates> ?
  • [05:47:39] <zmatt> yes :P
  • [05:47:52] <yates> never mind then.
  • [05:47:53] <zmatt> analyze led behaviour in more detail.. normally a phy comes up without needing any software configuration
  • [05:48:02] <zmatt> (as soon as it's released from reset)
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  • [07:42:34] <SmallBone> Hi
  • [07:42:45] <SmallBone> I am getting error while connecting to cloude
  • [07:42:50] * florian (~fuchs@Maemo/community/contributor/florian) Quit (Ping timeout: 256 seconds)
  • [07:43:29] <SmallBone> I don't have not connected any sensors. Just wanted to send some mock data
  • [07:44:01] <SmallBone> The tutorial I used is http://www.instructables.com/id/Connect-Beaglebone-to-the-Cloud-and-Visualize-Your/?ALLSTEPS#step1
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  • [07:44:54] <SmallBone> On https://s2c.io/ it never showed connected.
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  • [07:45:09] <tbr> hm
  • [07:45:46] * tbr has no idea about this s2c thing
  • [07:45:52] <SmallBone> ok
  • [07:46:13] <SmallBone> Any other cloud connection that you might have tried?
  • [07:46:31] <SmallBone> I just want to get a feel of it.
  • [07:47:34] <SmallBone> From the tutorial it looked like quite easy though.
  • [07:48:11] <tbr> the cloud aspect seems to be fairly generic and not related to the BBB
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  • [11:10:54] <LordSAK> hi all
  • [11:11:07] <LordSAK> i have a issue with my beagle bone
  • [11:11:11] <LordSAK> any expert here
  • [11:11:12] <LordSAK> ??
  • [11:11:20] <LordSAK> i am noob actually
  • [11:15:37] <tbr> well what _is_ your issue?
  • [11:15:47] <tbr> don't expect answers before you actually explain it
  • [11:15:52] <zmatt> LordSAK: tip: phrasing things this way makes it sound like you're seeking a personal tutor and will therefore greatly diminish your chance of getting help
  • [11:16:37] <LordSAK> well. sorry for incovnience guys
  • [11:16:55] <zmatt> as tbr said, just ask your question and be patient... plenty of knowledgable people here but they're not continuously staring at IRC eagerly waiting for someone with an issue they can help with
  • [11:17:56] <zmatt> no need to apologize, it's just an easily overlooked cultural difference between IRC help channels and the Real World™
  • [11:18:25] * muthu_w (~muthu@122.183.135.102) Quit (Ping timeout: 245 seconds)
  • [11:20:44] <LordSAK> issue is i was trying to use SD Card memory for my BBB which already had Debian. for that i used Disk Utility and was formatting my SD card. but think i accidently formatted something else. we tried to connect board via USB and only Power LED was on, rest was off. we tried to write new image and boot it, but this time only USER0 and USER1 LEDs turend on solid. no heartbeat pattern for USER0. CPU and eMMC lights are off. we tried to
  • [11:21:05] <LordSAK> out. We are out of ideas and google is not helpful too.
  • [11:21:27] <LordSAK> Please let me know any furthur details you guys might need. Thanks
  • [11:21:32] <zmatt> your line got cut off... "CPU and eMMC lights are off. we tried to"
  • [11:21:59] <LordSAK> we tried to connect it via ssh, but it timed out
  • [11:22:12] <zmatt> if it doesn't boot then ssh obviously won't work
  • [11:22:35] <zmatt> only power led on is typical for not-booting
  • [11:22:44] <LordSAK> ok
  • [11:22:55] <zmatt> only usr0 and usr1 on is however... odd..
  • [11:22:59] <tbr> for the future, consider buying a "3.3V ftdi cable" to connect to the UART port
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  • [11:23:13] <LordSAK> ok
  • [11:23:22] <tbr> are you holding down S2 when powering up the board?
  • [11:23:23] <zmatt> tbr: 5V is fine too actually, the uart buffer acts as a level shifter
  • [11:23:37] <tbr> k
  • [11:23:52] <zmatt> tbr: though 3.3V is a safer choice with modern electronics
  • [11:24:17] <LordSAK> yes we are holding s2 button
  • [11:24:56] <tbr> it's important that you hold it down before you connect USB or power to the board
  • [11:25:04] <LordSAK> only in that case USER0 and USER1 lit ip
  • [11:25:15] <zmatt> (and you can release it once the power led goes on)
  • [11:25:27] <LordSAK> yes we are following that procedure
  • [11:25:27] <tbr> ok, sounds like it's getting stuck somewhere. probably in U-boot
  • [11:25:36] <tbr> what image did you write to the card?
  • [11:25:43] <zmatt> ok, assuming the u-boot script hasn't changed much, usr0 is set very early in u-boot and basically just means "hi! u-boot here!"
  • [11:26:42] <LordSAK> well debian 7.9 image we downloaded from beagleboard(dot)org
  • [11:27:19] <zmatt> I'd recommend something more recent like http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#Jessie_Snapshot_lxqt
  • [11:27:23] <LordSAK> ok. so seems like it is stuck at U-boot
  • [11:27:41] <LordSAK> ok zmatt
  • [11:27:57] <LordSAK> we will be back again. let me try using this image
  • [11:28:00] <LordSAK> thanks
  • [11:28:00] * j12t (~j12t@c-50-136-206-246.hsd1.ca.comcast.net) Quit (Ping timeout: 245 seconds)
  • [11:28:02] <zmatt> (if you have rev C you can use either the 4gb one or the 2gb one to install less crud and have more free space, if you have older than rev C you need the 2gb one)
  • [11:28:03] <tbr> make sure your card is large enough for it
  • [11:28:07] <zmatt> be sure to download the flasher
  • [11:28:11] <zmatt> that too
  • [11:28:30] <LordSAK> yes i will keep that in mind
  • [11:28:59] <zmatt> usr1 is set when it has detected the card presence
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  • [11:30:28] <costin_> hello
  • [11:30:30] <zmatt> usr2 is set when it has loaded either /uEnv.txt or /boot/uEnv.txt
  • [11:30:33] <costin_> ple, urgent helpȘ
  • [11:30:50] <zmatt> so it's failing quite early and quite badly
  • [11:30:52] <costin_> i have a BBB and i need to disable g_multi and enable gadgetfs
  • [11:31:06] <costin_> in order to have dev type gadgetfs
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  • [11:31:13] <zmatt> anyway, I'm afk
  • [11:32:11] <costin_> i don;t need usb eth or mass storage device, anything like that. i'm using spi0, 2 uart and i need usb to work in proxy mode
  • [11:32:31] <costin_> and for that, i;m using dominicgs project USBproxy
  • [11:33:02] <costin_> it was compiled succesfully but when i'm starting it, it says that i don't have gadgetfs tpe
  • [11:33:23] <costin_> whem i type lsmod, i see i have it
  • [11:33:51] <costin_> i type modprobe gadgetfs, i don;t receive any errors, but i doesn;t do anything
  • [11:34:08] <costin_> and i read somewhere that is because g_multi is enabled
  • [11:34:17] <costin_> so, please help....
  • [11:34:58] <costin_> anyone ?
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  • [11:38:41] <costin_> up
  • [11:38:44] <costin_> anyone ?
  • [11:40:25] <costin_> help ? :(
  • [11:47:05] <tbr> costin_: didn't I tell you the other day to look at the scripts in /opt?
  • [11:48:03] <costin_> nope, i must have been afk... i posted the question an didn;t receive the answer for almost an hour and got off the keyboard
  • [11:48:07] <costin_> sorry
  • [11:48:52] <costin_> yes, i know about /opt/scripts/boot section
  • [11:49:07] <costin_> but i don;t know what and how to modify it to bring gadgetfs online
  • [11:49:36] <costin_> i comment the line with g_multi
  • [11:49:47] <costin_> but how can i enable gadgetfs ?
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  • [12:29:01] <funkrusha_> hi @all
  • [12:30:38] <tbr> http://www.catb.org/esr/faqs/smart-questions.html
  • [12:30:51] <funkrusha_> maybe someone can help me with a tiny gpio problem... i'm writing a kernel module, but i did not get access to the gpio...i already get "Device or resource busy" (latest debian image 4.1.12-ti-r29, BBB)
  • [12:34:22] <funkrusha_> i also tried to unexport the specific gpio, but there i get a "write error: Invalid argument" (echo 45 > /sys/class/gpio/unexport)
  • [12:35:18] <funkrusha_> do someone have an idea, where i did something wrong?
  • [12:36:08] <funkrusha_> it failed at: gpio_request_one(_pin, GPIOF_OUT_INIT_HIGH, "mymodule");
  • [12:44:46] <tbr> are you sure that the gpio pin is properly muxed through a device tree entry?
  • [12:51:10] <funkrusha_> it should, but i'm not sure ;-)
  • [12:53:33] <filt3r> well to me it looks like the pin is already in use, so you chould check in the devicetree if pin 0x834 (0x34 without the new AM36XX_IOPAD macro) is used by something else or not set to MODE7
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  • [13:12:27] <torpico> hi people. I have some questions about bbandroid. is here the right place to ask? I want to change the start logo while we power on beaglebone black. besides I want to change UI of bbbandroid. I ma not sure where I should make these changes? in bbbandroid source code?
  • [13:13:01] <tbr> not many people here bother with android, no
  • [13:13:18] <tbr> replacing the startup animation on android is a well documented procedure
  • [13:13:47] <tbr> also creating a custom launcher or customizing the default launcher is probably somewhat documented
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  • [13:19:51] <torpico> tbr: yes I found the documentation for logo changing. but did not find documents for changing User Interface
  • [13:21:01] <tbr> look for "custom launcher". I'm sure you'll find something.
  • [13:21:28] <tbr> Also I have a hunch, that your questions will get much more attention if you chose the right section of the XDA ph0rumz.
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  • [13:38:00] <Spidler> Question, how do I/(can I) enable a serial TTY debugging over USB for the BBB? Rather than the USB network on the OTG.
  • [13:40:33] <tbr> the default images expose a network interface, a tty, and a mass storage device over USB
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  • [14:24:16] <dwery> hello. since which version gpioN became gpioN-1 in the dts files?
  • [14:24:47] <zmatt> gpios used to be 1-based? eww
  • [14:25:19] <dwery> I mean the GPIO banks
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  • [14:26:46] <zmatt> yeah, annoyingly TI sometimes uses 1-based numbering for some stuff (but inconsistently so)
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  • [14:30:21] <zmatt> woohoo! my code managed to trigger an internal compiler error in gcc
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  • [14:43:52] <filt3r> zmatt: i actually managed to get the simple-audio-card to work, but i still had to use the spdif transmitter codec, because the buildin dummy codec has no dt bindings
  • [14:44:31] <filt3r> but for anithing more advanced you probably want to write your own driver anyway
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  • [14:44:47] <filt3r> thats porbably the reason why its called "simple" :D
  • [14:45:05] <Spidler> tbr: I'm well aware about that. I'm just trying to figure out if it's _possible_ to expose it as a Serial device.
  • [14:45:30] <tbr> Spidler: what do you want to expose?
  • [14:45:44] <zmatt> filt3r: well I am writing my own driver indeed... in userspace, via uio, so I can toss that whole ASoC crap in the trash
  • [14:46:01] <Spidler> I want the usb OTG port to act as a serial device with a serial console to the end user
  • [14:46:23] <Spidler> or want. "I would like"
  • [14:46:36] <Spidler> If it's not possible it isn't possible and I'll have to figure out another way.
  • [14:46:45] <zmatt> the usb ports can also actually be configured as uarts (D+/D- being rxd/txd or other way around)
  • [14:47:44] <Spidler> oh, fancy. would require some cabling work and a local USB->serial device to interact, but could work.
  • [14:48:12] <filt3r> zmatt: so you are not using alsa at all, or have you written an userpace alsa plugin to interface with the hardware (i've actually never heard of uio)
  • [14:48:28] <zmatt> filt3r: it would entirely bypass alsa
  • [14:48:46] <filt3r> ahh ok
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  • [14:49:18] <zmatt> (I already similarly bypass the kernel for gpio, pwm, adc, and so on)
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  • [14:52:58] <filt3r> thats an interesting approach, i actually never used uio, but it might come in handy sometime in the future
  • [14:53:29] <zmatt> yeah most of my code still uses /dev/mem actually, but I'm trying to slowly migrate to uio
  • [14:53:40] <zmatt> avoids the need for root perms, slightly safer, and allows irq delivery
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  • [15:29:37] <twoten> Hi - anyone familiar with the ti ezsdk?
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  • [15:40:06] <twoten> when I boot my BB Black without a mirco SD card, I get an Angstrom login prompt, then this error: tilcdc 4830e000.fb: timeout waiting for framedone
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  • [16:07:08] <twoten> has anyone ever answered a question here?
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  • [16:11:49] <filt3r> i think you can ignore this error, at least i always ignored it :D
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  • [16:16:22] <vagrantc> twoten: yes.
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  • [16:26:25] <twoten> I'm going through the very difficult install of the ironically named ezsdk, and I don't have a serial uart cable yet. Do I really need one?
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  • [16:28:31] <filt3r> i never used the ezsdk, but i strongly recommend having a serial connection for debugging, etc.
  • [16:30:34] <twoten> I like qt creator myself but I need to use the pru on my project and the sdk offers that. Should I just find a pru addon and use that?
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  • [16:56:57] <Spidler> Anything new about the X15?
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  • [17:27:31] <zmatt> Spidler: something about pcb requiring tweaks due to failing FCC tests
  • [17:27:50] <Spidler> Okay.
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  • [17:32:42] <Spidler> Meh meh and double meh.
  • [17:32:56] <Spidler> Okay, Enough whining, I'm off for the day. HAve a great night!
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  • [18:13:18] <vagrantc> huh. with a usb-powered esata adapter, u-boot is able to see the eSATA on the beagle-x15 ... but mainline linux is still having issues
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  • [18:32:59] <Jeeves_Moss> what is the default webserver on the debian image? I need to uninstall it to use apache
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  • [18:39:17] <Jonnyw2k> zmatt, did I tell you I sorted out my booting?
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  • [19:44:54] <citylight2> rcn-ee: I need your help with adc
  • [19:45:52] <rcn-ee> i don't know a whole lot about the adc.. (besides enable/disable)
  • [19:46:02] <citylight2> I am using your lxde image with 4.1.13-ti-r35
  • [19:46:14] <citylight2> right, I need to enable it
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  • [19:47:06] <citylight2> I do not understand how to use config-pin to enable the adc?
  • [19:47:07] <rcn-ee> citylight2, sudo sh -c "echo 'BB-ADC' > /sys/devices/platform/bone_capemgr/slots"
  • [19:47:15] <rcn-ee> should be all you need..
  • [19:47:36] <citylight2> sh: echo: I/O error
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  • [19:47:46] <rcn-ee> citylight2, "dmesg | grep bone"
  • [19:47:59] <rcn-ee> dmesg | grep bone | pastebinit ;)
  • [19:48:10] <citylight2> [ 7128.429743] bone_capemgr bone_capemgr: slot #5: BB-ADC conflict P9.31 (#4:univ-emmc)
  • [19:48:10] <citylight2> [ 7128.463113] bone_capemgr bone_capemgr: slot #5: Failed verification
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  • [19:48:37] <rcn-ee> citylight2, ah.. /boot/uEnv.txt remove "cape_universal=enable" text...
  • [19:48:42] * NulL``` (~bleh1@178.16.4.144) Quit (Ping timeout: 250 seconds)
  • [19:49:00] <rcn-ee> (and reboot to clear it out)
  • [19:49:49] <Jonnyw2k> rcn-ee, what dtb do I need to enable HDMI on a BBB?
  • [19:50:09] <rcn-ee> Jonnyw2k, it's enabled by default in 4.1.x/4.4.x
  • [19:50:17] * abferm (~abferm@72.29.168.106) has joined #beagle
  • [19:50:29] <rcn-ee> (aka use the default one)
  • [19:51:07] <Jonnyw2k> maybe my hdmi is broken, although I had issues getting it to boot with the new image (had to manually add the UUID to uEnv.txt)
  • [19:51:42] <rcn-ee> Jonnyw2k, ah that's something different.. Usually just a ground path issues to your monitor..
  • [19:51:53] <citylight2> grep cape_universal /boot/uEnv.txt is empty
  • [19:51:55] <rcn-ee> (aka hardware issue, board vs cable vs tv)
  • [19:52:17] <citylight2> let me upgrade
  • [19:52:18] <Jonnyw2k> rcn-ee, got a BBB running an old image, and it displays ok using same cable and monitor
  • [19:52:32] <Jonnyw2k> so I thought I had isolated it to this BBB
  • [19:52:58] <rcn-ee> citylight2, just cd /opt/scripts ; git pull
  • [19:53:25] <rcn-ee> citylight2, cape-universal only gets enabled when the cmdline has: cape_universal=enable in /boot/uEnv.txt
  • [19:55:20] <citylight2> ok, let me try to reboot, I also had to modprobe ti_am335x_adc
  • [19:55:41] <rcn-ee> Jonnyw2k, back in 3.8.x somethings where run out of spec.. give sudo apt-get install linux-image-4.1.15-ti-rt-r43 a try, as ti pushed a big change last week..http://git.ti.com/gitweb/?p=ti-linux-kernel/ti-linux-kernel.git;a=commit;h=5e1dfcc82e4708846e91f6206b454746be1074e9
  • [19:55:58] <rcn-ee> citylight2, when you echo that cape, it'll load up that module..
  • [19:57:06] <citylight2> o
  • [19:57:16] <Jonnyw2k> Linux beaglebone 4.1.15-ti-rt-r41 #1 SMP PREEMPT RT Thu Jan 14 20:33:29 UTC 2016 armv7l GNU/Linux
  • [19:57:24] <Jonnyw2k> is on the BBB without HDMI
  • [19:57:32] <rcn-ee> Jonnyw2k, that was the week prior...
  • [19:58:04] <Jonnyw2k> ahh ok
  • [19:59:18] <Jonnyw2k> I'm not too worried, it's my a Rev A5A with missing uSD slot, so aslong as I can SSH to it I am happy
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  • [20:12:53] <yates> since the cape mgr seems to change quickly, can someone point me to the latest docs? i'm running 4.4.0-bone2
  • [20:13:17] <abferm> Hey guys, I have a board that is loading a saved uboot environment from somewhere. This is really confusing to me, as I just re-imaged the device. So, it shouldn't have anywhere to load saved values from.
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  • [20:13:52] <yates> abferm: probably from your on-board emmc. did you hold the boot button while booting?
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  • [20:15:51] <abferm> the emmc is what I just over-wrote, there is no SD card present, and I am flashing over USB using a method I have used on numerous occasions.
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  • [20:19:54] <rcn-ee> yates, everything above v4.0.x is the same. ;) v4.0.x -> v4.5.x the only difference more things work on later kernels i backport things too..
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  • [20:21:05] <abferm> I haven't flashed this particular board in a while, and I'm assuming someone(probably me) executed saveenv without knowing what they were doing. Where exactly does the environment get saved/loaded from?
  • [20:21:30] <rcn-ee> saveenv is disabled on factory boards...
  • [20:21:52] <rcn-ee> (breaks the beaglebone white, when it tries to read the non-existent eMMC)
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  • [20:27:50] <abferm> rcn-ee: I build my own uboot, and it isn't disabled on my build, I guess I'm just going to dig into the source code
  • [20:27:53] * Jeeves_Moss (~Jeeves_Mo@24.244.23.125) has joined #beaglebone
  • [20:28:12] <Jeeves_Moss> how can I get my BBB to boot to the SD card each time without holding the boot button?
  • [20:29:52] * Maxz (~felipe@190.162.113.60) Quit (Quit: Textual IRC Client: www.textualapp.com)
  • [20:30:43] <rcn-ee> abferm, u-boot upstream sticks it on eMMC by default..
  • [20:32:13] * eFfeM (~frans@c73189.upc-c.chello.nl) Quit (Quit: Leaving.)
  • [20:32:54] <twoten> I'm going to write the latest Debian image onto my microSD, should I erase and format it first? Will the image create the partition?
  • [20:37:21] <abferm> rcn-ee: do you know what address?
  • [20:37:53] <rcn-ee> twoten, no reason too..
  • [20:38:36] <twoten> ok
  • [20:40:01] <rcn-ee> abferm, right here: http://git.denx.de/?p=u-boot.git;a=blob;f=include/configs/am335x_evm.h;h=6ebe0b3866f9b137472cc080c9eb8f1e38233186;hb=HEAD#l461
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  • [20:41:52] <zmatt> abferm: env is stored in one of the two semi-hidden boot partitions of eMMC
  • [20:48:24] <citylight2> rcn-ee: after upgrade the adc loads ok
  • [20:49:55] <citylight2> rcn-ee: is there a place in the ee-wiki for the page in http://processors.wiki.ti.com/index.php/Linux_Core_ADC_User's_Guide
  • [20:50:24] <citylight2> I mean , I was looking for info on ADC on the newer kernel, and barly found info
  • [20:52:00] <rcn-ee> citylight2, i've been shoving examples in the bb.org-overlays repo: https://github.com/beagleboard/bb.org-overlays/tree/master/examples
  • [20:52:26] <rcn-ee> if you want to create a BB-ADC with atleast a readme.md doc pointing to ti's page, or even a basic shell script..
  • [20:52:50] <rcn-ee> for w1, i threw together a really simple example: https://github.com/beagleboard/bb.org-overlays/blob/master/examples/BB-W1-P9.12/example.sh
  • [20:52:51] <citylight2> yes, I will start using it and post back
  • [20:53:48] <citylight2> did the x15 take all your focus lately?
  • [20:54:58] <rcn-ee> citylight2, actually last week most of my focus was on unifying all my "4.4.x + 4.5.x" tree's on the exact same overlay patchset ;)
  • [20:55:26] <citylight2> I see
  • [20:55:53] <rcn-ee> right now i'm playing with rs232, trying to get rts/cts to work with the new patches that hit linux-omap last week..
  • [20:55:54] <citylight2> wish someone would interview you and post a beaglebone status newsletter
  • [20:55:56] * Bumsik (~Thunderbi@adm-129-49-101-3.wi-fi.stonybrook.edu) Quit (Ping timeout: 250 seconds)
  • [20:56:16] <rcn-ee> jason does at some point.. ;)
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  • [21:05:59] <zmatt> rcn-ee: hmm, since you include uio by default maybe I should make an ADC example The UIO Way™ :)
  • [21:08:27] * jamesaxl (~jamesaxl@adsl196-210-20-217-196.adsl196-9.iam.net.ma) Quit (Ping timeout: 250 seconds)
  • [21:08:51] <rcn-ee> zmatt, did the ti tilcd merge last week fix your lcd?
  • [21:09:51] <rcn-ee> zmatt, here's the ti commit compare: https://github.com/RobertCNelson/ti-linux-kernel/compare/e1b000ce0138a66f23815d819ef4fc79be49f503...5e1dfcc82e4708846e91f6206b454746be1074e9
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  • [21:12:56] <istvan> i'm looking just for an example of accessing main memory from the PRU
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  • [21:13:28] <veremit> just a few commits there ..
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  • [21:13:33] <vignesh> hello every one, this is vignesh from india
  • [21:13:49] <twoten> hi vignesh
  • [21:13:56] <zmatt> rcn-ee: I don't think that compare worked well (github often seems to have trouble with those)
  • [21:14:16] <zmatt> but I don't have any functional setup with lcd right now, so I can't test right away
  • [21:14:27] <abferm> zmatt: do those point to specific locations on /dev/mmcblk0, or are they separate entities? I've been writing my images over mmcblk0, and they should cover the entire disk(leaving no-where for the environment to hide).
  • [21:14:34] * dwery (~dwery@nslu2-linux/dwery) has joined #beagle
  • [21:14:38] <rcn-ee> zmatt, yeah it's the raw compare, just the edma, tilcd, omapdss, that's all ti pushed last week..
  • [21:14:39] <veremit> zmatt: time to sponsor you another BBB ... :p
  • [21:15:00] <zmatt> abferm: mmcblk0 is just the main partition
  • [21:15:09] <zmatt> mmcblk0boot* live outside it
  • [21:15:20] <abferm> I thought that was p0
  • [21:15:37] <zmatt> ... long story
  • [21:15:46] <veremit> are block* ever used zmatt?
  • [21:15:52] <veremit> boot***
  • [21:15:58] <zmatt> maybe there should be a wiki page explaining MMC partitions
  • [21:16:17] <veremit> yes really .. and the whole mmcblk0/1 issue
  • [21:16:19] <zmatt> veremit: yes, uboot grabs its env there :P which is not what they were meant for
  • [21:16:26] <veremit> zmatt: nice.
  • [21:16:48] <vignesh> someone please help me out on "how to start with kernels"
  • [21:16:52] <zmatt> they were meant to allow ROM to easily load the secondary bootloader and to allow it to be updated atomically
  • [21:17:10] <wmat> http://elinux.org/BeagleBoardNAND
  • [21:17:24] <zmatt> since there are two partitions, and you can toggle a single bit to indicate which one will be served using the boot protocol
  • [21:17:28] <wmat> perhaps not completely current, but not bad info
  • [21:17:52] <zmatt> wmat: that's raw nand, not emmc
  • [21:18:00] <veremit> wmat+
  • [21:18:12] <zmatt> wmat: i.e. not remotely applicable
  • [21:18:17] <tbr> vignesh: you want to get into kernel programming or what?
  • [21:18:41] <wmat> zmatt: yes, but it it's helpful-ish
  • [21:18:56] <vignesh> yes @tbr
  • [21:19:08] <wmat> we can't have #exactsteps for everything, can we?
  • [21:19:09] <tbr> vignesh: look at the eudyptula challenge
  • [21:19:22] <zmatt> veremit: unfortunately the AM335x ROM doesn't use the boot protocol at all
  • [21:19:31] <zmatt> even though it's much easier than normal MMC access
  • [21:19:47] <veremit> zmatt: why do things the *correct* way :P
  • [21:19:50] <zmatt> (boot protocol = hold cmd low, start clocking and after a bit data blocks get sent your way)
  • [21:20:01] <veremit> FARRR too simple
  • [21:20:18] <yates> rcn-ee: ok, thanks for the clarifications.
  • [21:20:27] * TheoMurpse (~TheoMurps@72.191.48.158) Quit (Quit: This computer has gone to sleep)
  • [21:20:30] <zmatt> yes, and atomic upgrades are far too convenient for reliability
  • [21:21:27] <vignesh> is that a competition @tbr
  • [21:21:31] <vignesh> ??
  • [21:21:55] <tbr> vignesh: no, it's a set of challenges to support your learning process
  • [21:22:27] <vignesh> thats awesome thank you @tbr
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  • [21:22:41] <vignesh> let me check it out !!
  • [21:25:47] <vignesh> http://eudyptula-challenge.org/ <--- this doesnt work please help me out @tbr
  • [21:26:21] * jamesaxl (~jamesaxl@adsl196-210-20-217-196.adsl196-9.iam.net.ma) Quit (Remote host closed the connection)
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  • [21:26:56] <abferm> zmatt: Any way I can over-write that from linux? I just tried to zero it with dd, but I got an error: "dd: error writing '/dev/mmcblk0boot1': Operation not permitted"
  • [21:27:37] <tbr> vignesh: try this http://web.archive.org/web/20160121200018/http://eudyptula-challenge.org/
  • [21:28:24] <vagrantc> rcn-ee: so, interestingly enough, using an eSATA adapter that pulls power from a USB port, u-boot recognizes the eSATA. but using one that's only powered off of eSATA, u-boot doesn't recognize it
  • [21:28:41] <vagrantc> rcn-ee: but neither work with mainline linux
  • [21:29:06] <zmatt> abferm: there's a bit you need to flip in sysfs to unprotect it
  • [21:29:13] <abferm> zmatt: I just answered my own question... https://www.kernel.org/doc/Documentation/mmc/mmc-dev-parts.txt
  • [21:29:43] <zmatt> yeah that
  • [21:30:26] <rcn-ee> vagrantc, did you run "usb scan/init" before "scsi scan/init" usb turns on the power rail for the esata connector ;)
  • [21:30:55] <vagrantc> rcn-ee: i didn't, and neither did the normal boot process
  • [21:31:29] <vagrantc> seems like it would be worth reordering that...
  • [21:31:46] <rcn-ee> i had that enabled about a month ago, but usb "3.0" broke with that (usb 2.0 was fine)..
  • [21:31:59] <rcn-ee> (now usb/scsi i leave disabled in u-boot)
  • [21:31:59] <zmatt> rcn-ee: but which kernel(s) has this been applied to?
  • [21:32:00] <vagrantc> fix one thing, break another...
  • [21:32:09] <zmatt> rcn-ee: (so I know which one to test when I have a moment)
  • [21:32:10] <rcn-ee> zmatt, since last week..
  • [21:32:16] <rcn-ee> r43..
  • [21:32:19] <zmatt> rcn-ee: which branch?
  • [21:32:25] <zmatt> 4.4-ti ?
  • [21:32:37] <rcn-ee> 4.1.x-ti/4.1.x-rt-ti
  • [21:32:43] <zmatt> check
  • [21:33:15] <vignesh> thanks bro i got it @ tbr
  • [21:33:40] <vagrantc> trying to use USB from u-boot causes an instant system reset for me ... but who knows, i'm using 2016.01 with ti-u-boot patches from 2015.07 or something
  • [21:34:00] <rcn-ee> vagrantc, some boards where doing that too..
  • [21:34:59] <zmatt> rcn-ee: I noticed that in 4.4 edma finally has the ability to reserve EDMA slots via DT, I hope that's in 4.1 now also since that's going to be quite important for me when I start using McASP from userspace
  • [21:35:23] <rcn-ee> zmatt, yeap, that got merged back to 4.1.x last week too .;)
  • [21:35:32] <zmatt> w00t
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  • [21:38:18] <zmatt> although at low channel count the cpu *ought* to be able to manage on the McASP's fifo + irqs alone, certainly on an RT kernel, but I'd rather not take chances
  • [21:38:33] <zmatt> audio is rather unforgiving w.r.t. being slightly late
  • [21:39:55] <zmatt> I'm also still investigating the best way to patch the kernel to make /dev/mem and uio use "Device"-type mappings for peripherals and "Normal uncacheable" for memory, instead of using performance-killing Strongly-ordered for everything
  • [21:40:31] <istvan> if I run /sbin/modprobe uio_pruss extram_pool_sz=SOMENUMBER, how do I know what address to write to in the PRU?
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  • [21:54:57] <vignesh> when will i get the reply from little@eudyptula-challenge.org ?? @tbr
  • [21:55:18] * Bumsik (~Thunderbi@adm-129-49-101-3.wi-fi.stonybrook.edu) Quit (Ping timeout: 250 seconds)
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  • [21:55:35] <veremit> does anyone know a tolerable interface to google groups?
  • [21:55:41] <veremit> I *hate* them .. lol
  • [21:55:41] <tbr> vignesh: no clue. I am not affiliated with this service in any way.
  • [21:55:49] <tbr> veremit: email?
  • [21:55:57] <veremit> tbr: ffs this is the 21stC
  • [21:56:15] * tbr always subscribes to google groups using his email...
  • [21:56:18] * NulL` (~bleh1@87.254.64.176) has joined #beagle
  • [21:56:59] <veremit> And no, I'm not an emacs/vi user. Sod that and all its crap lol
  • [21:57:12] <rcn-ee> veremit, mutt!
  • [21:57:23] <veremit> rcn-ee: I'll let mutt fly ... :P
  • [21:57:50] <veremit> but I do use nano/minicom regularly .. so ..
  • [21:57:58] <citylight2> what does it mean I see /sys/class/gpio/gpio2 does not exist?
  • [21:58:12] <veremit> echo 2 >/sys/class/gpio/export ?
  • [21:58:20] <zmatt> veremit: well the main google groups interface is tolerable compared to the icky embedded one on the beagleboard.org website
  • [21:58:30] <veremit> zmatt: omg, there's WORSE?!
  • [21:58:37] * veremit stabs himself with a rusty nail
  • [21:58:40] <zmatt> http://beagleboard.org/Community/Forums
  • [21:59:16] <zmatt> and as tbr pointed out you can use email
  • [21:59:24] <citylight2> veremit, this used to exist afer booting
  • [21:59:27] <citylight2> odd
  • [21:59:52] <veremit> citylight2: something didn't load right, then
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  • [22:18:26] <zmatt> bbl, train
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  • [22:19:30] <citylight2> rcn-ee: seems I can load the adc but the cape-universala is not loaded on boot
  • [22:19:57] <citylight2> so I can not run /usr/local/bin/config-pin P8_43 in_pu to use the on board button
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  • [22:20:22] <citylight2> can't I run the universal cape and the adc overlay?
  • [22:22:17] <rcn-ee> you can, if you disable the adc pins in cape universal, or load cape universal and then use config-pin for the adc's..
  • [22:22:28] <rcn-ee> i just assumed you wanted to use the adc and that was it..
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  • [22:27:30] <citylight2> doesnt the cape universal allow me to use the adc pins as adc?
  • [22:27:57] <citylight2> what to do now to get cape universal and adc at the same time?
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  • [22:51:22] <PF> hi: i need to use 4 serializers of mcasp with 4 channels on each... i configured tdm-slots=<4> adn added 4 active serializers, but arecord command only let me record 4 channels... am i doing it all right?
  • [22:52:59] <veremit> rcn-ee: how do you submit a proposal for a x15 project - can't find any web pages/ posts anywhere?
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  • [22:53:30] <filt3r> PF: just out if curiosity can you poste the mcasp part of your device tree
  • [22:53:52] <PF> yes... wait a sec
  • [22:54:26] <PF> &mcasp0 { pinctrl-names = "default"; pinctrl-0 = <&mcasp0_pins>; status = "okay"; op-mode = <0>; /* MCASP_TDM_MODE */ tdm-slots = <4>; num-serializer = <16>; serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */ 1 1 2 2 0 0 0 0 0 0 0 0 0 0 0 0 >; tx-num-evt = <1>; rx-num-evt = <1>; };
  • [22:54:40] <PF> mmm... should i post line by line?
  • [22:55:03] <PF> ?
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  • [22:55:18] <rcn-ee> veremit, https://groups.google.com/d/msg/beagleboard-x15/mqAF6V5fVWs/142Dze21CQAJ
  • [22:55:32] <veremit> rcn-ee: tyvm
  • [22:56:56] <filt3r> nah its fine, ok so with this config you should be able to play 8 and record 8 channels, can you check the channels_max properties in your platform driver, your codec and the davinci-mcasp.c (older versions of the mcasp drivers used a lower channes_max value as far as i know)
  • [22:59:24] <PF> filt3r: Thanks for answering. I've checked that, in my version channel_max is 32
  • [22:59:57] <PF> filt3r: if i use tdm-slots=<8> it let me arecord more channels
  • [23:00:13] <filt3r> huh thats interesting
  • [23:00:19] <PF> but that would mean 8 tdm-slots on each serializer... i need 4 on each
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  • [23:01:59] <filt3r> hmm ok, i've never used more than one input and one ouput serializer, so i have no idea how this would work together with alsa
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  • [23:04:37] <PF> oh... ok, thanks anyway! any idea where could i ask this? perhaps is not supported? alsa mailist wont answer, neither #alsa irc channel
  • [23:06:49] * j12t (~j12t@c-50-136-206-246.hsd1.ca.comcast.net) Quit (Remote host closed the connection)
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  • [23:12:00] <Jonnyw2k> whats the "arduino" dtb ?
  • [23:13:44] * jzaw (~jzaw@loki.dzki.co.uk) Quit (Ping timeout: 250 seconds)
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  • [23:23:07] <rcn-ee> Jonnyw2k, google "arudino tre" lots of info, hasn't been officially released..
  • [23:23:12] * rcn-ee (~voodoo@64.77.213.245) Quit (Quit: Leaving)
  • [23:25:34] <Jonnyw2k> I feel it should have more beagle branding :P
  • [23:26:37] * PF (be5dc7e8@gateway/web/freenode/ip.190.93.199.232) Quit (Ping timeout: 252 seconds)
  • [23:31:04] * [Butch] (~butch@169.145.89.207) Quit (Ping timeout: 272 seconds)
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  • [23:41:58] <filt3r> hmm no PF is gone . . .
  • [23:45:24] <Zephyr1138> What is the IP address of the BBB when connecting via USB?
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  • [23:57:20] <Zephyr1138> found it: 192.168.7.2
  • [23:57:52] <yates> in bb-kernel/KERNEL/arch/arm/boot/dts/am335x-bone-common.dtsi, i assume the "baseboard_eeprom" used by the kernel to read the baseboard eeprom. we have removed the baseboard eeprom on our custom board, so should this dtsi node be removed?
  • [23:58:41] <yates> what i don't understand is the interface between the kernel and the device tree - i.e., if it expects a certain named device (e.g., baseboard_eeprom) to be there and it's not, what does the kernel do?
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