**** BEGIN LOGGING AT Wed Jul 01 02:59:58 2015
Jul 01 03:00:22 <zmatt> vdd_5v can be used to power the board (pmic input)
Jul 01 03:00:33 <zmatt> sys_5v is pmic output
Jul 01 03:16:57 <veremit> sounds right
Jul 01 08:31:47 <Moult> so i bought this temperature sensor http://www.miniinthebox.com/analog-temperature-sensor-module-for-scm-development-red_p991026.html - i'm not quite sure how to convert the value i'm reading into degrees celcius, any ideas?
Jul 01 08:38:30 <nerdboy> get the data sheet
Jul 01 08:39:06 <nerdboy> or find an existing interface
Jul 01 08:39:34 <nerdboy> if it's i2c then bbgpio should work
Jul 01 08:43:19 <Moult> nerdboy: i am reading it via the analog input. still hunting for a data sheet
Jul 01 08:44:42 <nerdboy> can't so much without it
Jul 01 08:44:47 <nerdboy> *do even
Jul 01 08:45:06 <Moult> nerdboy: what's i2c?
Jul 01 08:46:18 * Moult rtfms
Jul 01 08:46:24 <nerdboy> a registered trademark...
Jul 01 08:46:44 <nerdboy> smbus would be a subset
Jul 01 08:47:05 <nerdboy> some others with different names are actually i2c
Jul 01 08:47:52 <nerdboy> Moult: it's a medium-speed "serial" bus
Jul 01 08:48:45 <Moult> nerdboy: can i just randomly plug it into a gpio socket and see what happens?
Jul 01 08:48:49 <nerdboy> gnd/power/clk/data lines
Jul 01 08:49:18 <nerdboy> if it's analog you meed to use the analog i/o
Jul 01 08:50:37 <Moult> nerdboy: sorry, i'm new to all this - you're saying that if i read it as though it weren't an analog value, but instead following a communication protocol, i might get a sane value?
Jul 01 08:51:06 <nerdboy> depends on what the sensor supports
Jul 01 08:51:35 <nerdboy> the vendor had to implement something, could b one or more of several things
Jul 01 08:51:50 <nerdboy> how many pins?  are they labeled?
Jul 01 09:09:25 <Moult> nerdboy: three pins only. OUT, VCC, and GND
Jul 01 09:09:57 <nerdboy> keep looking for a data sheet...
Jul 01 09:10:10 * nerdboy needs sleep...
Jul 01 09:10:25 <Moult> nerdboy: i can read the output using ADC.read() (from the python bindings)
Jul 01 09:11:17 <nerdboy> guessing the transfer function won't be much fun
Jul 01 09:12:37 <Moult> nerdboy: transfer function?
Jul 01 09:51:18 <emorris> Hi, on my Bealgebone Blacks, when I run the latest version of /opt/scripts/tools/update_kernel.sh after doing a git pull, I get "Unable to locate package ti-sgx-es8-modules-3.8.13-bone72". Full output at http://pastebin.com/ZxFzuB9R
Jul 01 09:51:29 <emorris> Anyone else seen this?
Jul 01 12:17:44 <jithendra> hi
Jul 01 12:18:01 <jithendra> any body worked on gpmc configuration
Jul 01 13:19:23 <Abhishek_> Moult: That's a thermistor
Jul 01 13:19:46 <Abhishek_> You'll need to read the analog value and calibrate it against known temperatures
Jul 01 13:21:36 <twist> Is there any guide for building u-boot & rootfs & kernel from source and port it to BBB? Thanks
Jul 01 13:29:48 <LetoThe2nd> twist_: the yocto project quick start guide, with addition of the meta-ti layer does exactly that.
Jul 01 13:30:27 <twist_> @LetoThe2nd: thanks let me see that
Jul 01 14:11:05 <Moult> Abhishek_: so i need to calibrate it myself using another temperature sensor?
Jul 01 14:34:35 <Ibrahim> hello everybody
Jul 01 14:35:08 <Ibrahim> need help downloading stdatomic.h on to beaglebone black
Jul 01 14:35:14 <Ibrahim> any help?
Jul 01 14:45:18 <Abhishek__> Moult: yes
Jul 01 14:50:35 <Ibrahim> any help with stdatomic.h
Jul 01 14:50:58 <agmlego> Ibrahim: What have you tried so far?
Jul 01 14:51:15 <Ibrahim> honestly do know where to start
Jul 01 14:51:28 <agmlego> Ibrahim: Google?
Jul 01 14:51:36 <Ibrahim> just been read through google
Jul 01 14:51:41 <Ibrahim> reply
Jul 01 14:52:19 <agmlego> OK, what search terms were you using?
Jul 01 14:52:54 <Ibrahim> how to download stdatomic.h  on to beaglebone
Jul 01 14:53:09 <agmlego> OK, there is probably a better way, though.
Jul 01 14:53:23 <agmlego> C headers are generally provided through your distribution's package manager.
Jul 01 14:53:35 <agmlego> So, maybe try for "debian stdatomic.h"
Jul 01 14:53:49 <agmlego> It will usually be a *-dev package.
Jul 01 14:53:49 <Ibrahim> thanks
Jul 01 15:51:27 <mistawright> hi guys has anyone used blacklib with the beaglebone black? I have been able to get motor control to work fine using the library but I am unsure about how to use it with a servo. Dont want to kill another $15 dollar futaba servo out of stupidity
Jul 01 17:27:15 <fishey1> Hi all, I'm trying to get non-tearing output in Qt5 eglfs to work with the SGX driver. Right now, using FRONT renders but has tears. BLIT similarly tears. FLIP doesn't tear, but seems to massively reduce the framerate (dragging a series of images horozontally induces a noticable of lag)
Jul 01 17:27:55 <fishey1> I noticed that `sgx_flip_test` always fails with "TOOMANYBUFFERS", so I think the issue might be that sgx doesn't think it has enough vram
Jul 01 17:28:29 <fishey1> Increasing just `vram=32M` or `vram=40M` on the kernel command line doesn't appear to change behavior.
Jul 01 17:28:51 <rcn-ee> fishey1, bump the cma ram value, usually it's at 24Mb..
Jul 01 17:28:53 <fishey1> And I don't have omapfb, so setting omapfb.vram=0:32M doesn't do anything.
Jul 01 17:29:01 <fishey1> rcn-ee: where? device tree?
Jul 01 17:29:05 <rcn-ee> kernel .conf
Jul 01 17:29:58 <fishey1> ack, I'll hunt down that option and report back.
Jul 01 17:30:45 <rcn-ee> CONFIG_CMA_SIZE_MBYTES=
Jul 01 17:31:03 <fishey1> and I've apparently got it set to 16M :|
Jul 01 17:31:20 <rcn-ee> bump it to 24, ti does that in their 3.14 tree..
Jul 01 17:32:45 <rcn-ee> fishey1, here's the change, they reference sgx.. http://git.ti.com/gitweb/?p=ti-linux-kernel/ti-linux-kernel.git;a=commit;h=899bf6375a5834e799edcf6c0ac0cc9d98b11b2d
Jul 01 17:55:06 <fishey1> hrm, it doesn't seem like that did anything for me. Still seeing sgx_flip_test fail with TOOMANYBUFFERS https://gist.github.com/e8a4902e4ae33ef6ed49 and my Qt5 app using eglfs has lots of latency (and some strange brightness distortion) when FLIP is set in /etc/powervr.ini
Jul 01 17:56:06 <fishey1> I have a fairly small screen (480x272) so I'm not even sure if the default memory size should be an issue at all, it was just a guess based on sgx_flip_test's error
Jul 01 17:57:04 <fishey1> From some of the output of sgx_flip_test, I'd guess that I need "MaxSwapChainBuffers:2" to be some value greater than 2. Anyone know how that is calculated by the driver?
Jul 01 18:41:00 <Spirilis> hmm.  anyone know of a bluetooth + BLE type of cape that works with the BBB?  sounds like there's a TI WL1835 cape out there but it uses the eMMC pins
Jul 01 19:10:44 <tbr> Spirilis: usb dongle would be probably much smarter move
Jul 01 19:14:15 <Spirilis> ah k
Jul 01 19:14:16 <Spirilis> thx
Jul 01 19:40:36 <orbisvicis> can the hdmi interface provide 0.3A ?
Jul 01 19:41:50 <orbisvicis> for, say: http://www.luxielectronics.com/attachments/File/Luxi_AHD-111_specs.pdf
Jul 01 19:46:56 <orbisvicis> on the bone
Jul 01 20:06:14 <orbisvicis> nevermind... that is one overpriced device
Jul 01 21:36:52 <angelcarmo> hello?
Jul 01 22:34:27 <TimeWaster> I have a problem with controlling GPIO pins using uEnv.txt. I have an A5C board, stock everything.
Jul 01 22:34:58 <TimeWaster> I have basic understanding of U-Boot boot process, "bootcmd", etc.
Jul 01 22:35:18 <TimeWaster> My problem is that there are TWO uEnv.txt files on the file system.
Jul 01 22:35:28 <TimeWaster> 1. /boot/uEnv.txt
Jul 01 22:35:42 <TimeWaster> 2. /media/BEAGLEBONE/uEnv.txt
Jul 01 22:35:51 <TimeWaster> Which of these two should I be using?
Jul 01 22:36:11 <TimeWaster> Also, if I make changes to uEnv.txt, will my changes be acknowledge by U-Boot?
**** ENDING LOGGING AT Thu Jul 02 02:59:59 2015