[beagleboard] Re: USB hard drive booting

2014-02-11 Thread Rusty Wright
If you're seeing advertisements on the lumpynose site it's because I'm 
using the free version of wordpress.

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[beagleboard] Re: Kernel 3.8 USB host problem

2014-02-11 Thread Bekir Bahadir
Hi,

when I measure the USB Host Voltage on the Interface with no device 
connected, I get 4.81V. 
Can that be the reason for the many USB errors?

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Re: [beagleboard] Xenomai master - BBB RCNelson 3.13-bone5 kernel patches

2014-02-11 Thread David Lewin
Redid clone + checkout am33x-v3.8
Doing so then display:

 david@debian:~/BBB/linux-dev$ patch -p1  ../cds_xenomai.patch
 patching file -p1
 Hunk #1 FAILED at 866.
 Hunk #2 FAILED at 885.
 2 out of 2 hunks FAILED -- saving rejects to file -p1.rej
 patching file -p1
 Hunk #1 FAILED at 158.
 Hunk #2 FAILED at 187.
 2 out of 2 hunks FAILED -- saving rejects to file -p1.rej




2014-02-10 20:49 GMT+01:00 John Syn john3...@gmail.com:


 From: David Lewin dlewin...@gmail.com
 Reply-To: beagleboard@googlegroups.com
 Date: Monday, February 10, 2014 at 5:43 AM

 To: beagleboard@googlegroups.com
 Subject: Re: [beagleboard] Xenomai master - BBB RCNelson 3.13-bone5
 kernel patches

 John,
 from the KERNEL dir :

 patch -p1  cds_xenomai.patch


 outputs error on :

 Can't find file at

 @@ -866,12 +866,40 @@ saucy () {

 Did you checkout the am33x-v3.8 branch?
 git checkout am33x-v3.8
 Place the patch so that it is in the same folder as linux-dev, not in the
 linux-dev folder.
 patch -p1  ../cds_xenomai.patch

 Regards,
 John





 2014-02-09 18:51 GMT+01:00 David Lewin dlewin...@gmail.com:

 OK will give it a try, thanks for the tip.


 2014-02-09 3:39 GMT+01:00 John Syn john3...@gmail.com:


 From: David Lewin dlewin...@gmail.com
 Reply-To: beagleboard@googlegroups.com
 Date: Saturday, February 8, 2014 at 2:15 AM
 To: beagleboard@googlegroups.com
 Subject: Re: [beagleboard] Xenomai master - BBB RCNelson 3.13-bone5
 kernel patches

 I 200% agree : that's why I was refering to it :

 Is it possible to get a same instructions list for the official 
 onehttp://git.xenomai.org/xenomai-2.6.git/tree/ksrc/arch/arm/patches/README
  ?


 anyway with a checkout from any branch, I'm not sure that xenomai will
 be compiled as from docs, blog, forums, book
 it's clearly precise that not all kernel version accept xenomai patches.
 Therefore, from my understanding only 1 commit is currenlty guaranteed to
 work :

  Beaglebone

 1- Checkout the am33x-v3.8 branch in the Robert Nelson repository [3],
 the patch has been tested with commit 
 *3fc8a73d782231ab2750ff29793a760e8fa076bb*
 2- apply beaglebone/ipipe-core-3.8.13-beaglebone-pre.patch
 3- apply ipipe-core-3.8.13-arm-1.patch
 4- apply beaglebone/ipipe-core-3.8.13-beaglebone-post.patch
 5- you can resume to generic installation instructions.



 John: until now I've been just compiled vanilla kernels, -ie no xenomai
 worked- could you please indicate what are these steps you have followed to
 compile it ?

 Way to complicated. Simply clone Robert's linux-dev repo and apply the
 attached patch. Build the kernel as normal.

 Regards,
 John




 2014-02-07 22:36 GMT+01:00 John Syn john3...@gmail.com:


 On 2/7/14, 8:38 AM, Charles Steinkuehler char...@steinkuehler.net
 wrote:

 If you're wanting a Xenomai kernel, you should:
 
 git checkout --track 3.8.13-bone39-xenomai
 
 ...then run the build-kernel.sh script.
 
 If you want a plain kernel, pull from Robert's repository and use one
 of
 the 3.8.13-bone* tags.  It's not a branch so when you checkout the tag
 you'll get a detatched head warning.  You can ignore this (until you
 have changes you want to push back upstream) and just build the kernel
 as usual.
 Why not checkout the am33x-v3.8 branch? That way you can track the
 changes
 Robert makes to his v3.8 branch. I find it easier to patch Robert¹s
 linux-dev repo with your xenomai changes and then I¹m always up to date
 with Robert¹s changes. It might be even easier to have Robert add a
 Xenomai branch.

 Regards,
 John
 
 On 2/7/2014 9:55 AM, David Lewin wrote:
  Therefore, this would need to
 
  - git checkout to branch /3.8.13-bone36 as the emmc flasher kernel
 use
 this
  one
  - build_kernel.sh anew
 
  is that right ?
  if yes, I couldn't retrieve where to set the branch to co.
 
  2014-02-07 Charles Steinkuehler char...@steinkuehler.net:
 
  If you're using my linux-dev repository, you need to check out the
  appropriate branch, master is not intended for actual use.
 
  On 2/7/2014 8:48 AM, David Lewin wrote:
  I've followed :
 
  For the MachineKit Xenomai kernels it's very easy, and identical
 to
  working with Robert Nelson's kernels.  You just work from my
 github
  repository instead of his (I've added the Xenomai patches to the
  laundry-list of BeagleBone patches his scripts apply):
  https://github.com/cdsteinkuehler/linux-dev
  You run the ./build_kernel.sh script, so the BeagleBone and
 Xenomai
  patches will be applied.  You can then edit the configuration as
 desired
  and rebuild the kernel using tools/rebuild.sh
 
 
  which may be wrong, but :
  *git branch  *
  within linux-dev is correctly pointing to master.
 
  What did I've missed
 
 
  2014-02-07 Robert Nelson robertcnel...@gmail.com:
 
 
 
 
  On Fri, Feb 7, 2014 at 8:09 AM, David Lewin dlewin...@gmail.com
  wrote:
 
  Charles,
  My tries didn't succeeded, but I'm sure I've missed the good
 kernel
 :
  I've flashed the
 
 
 
 

[beagleboard] Re: BBB: uboot: issue an i2c command every boot

2014-02-11 Thread Rico
Thanks Vaibhav. I've just found out out how:

In uEnv.txt, add a new line and write:
uenvcmd=u-boot command; '''another command'

for my example above:
uenvcmd=i2c md 24 1

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Re: [beagleboard] Vanilla kernel with real-time patch doesn't build for omap3 BBxM Ubuntu12.04

2014-02-11 Thread hvn052
Op maandag 10 februari 2014 16:34:51 UTC+1 schreef RobertCNelson:




 On Sun, Feb 9, 2014 at 9:34 AM, hvn...@gmail.com javascript: wrote:

 Hi,

 I patched a vanilla kernel for realtime and configured it for omap3 
 beagle. However, after building it using make-kpkg with 
 DEB_HOST_ARCH=armhf CLEAN_SOURCE=no fakeroot make-kpkg --arch=arm 
 --subarch=omap3 --cross-compile=arm-linux-gnueabihf- --initrd 
 --append-to-version -xenomai-2.6.3-omap3 --revision 1.4 kernel_image 
 kernel_headers, synaptic tells me it's armhf but no omap kernel. Despite 
 searching, how should I patch this vanilla kernel for omap3 so it runs on 
 the BBxM ?


 Don't use the subarch flag with make-kpkg, it's for something else, not 
 related to the soc family of arm devices..


I have removed the subarch flag, and now I get the error message Kernel 
. does not match your subarchitecture omap, therefore not writing it 
to flash.. The running kernel (Ubuntu 12.04 omap armv7l) is v3.2.0-55-omap 
from repo. I noticed that the latest stable kernel indeed has a different 
configuration for omap. But I wonder, where does that message about 
subarchitecture omap really come from? The kernel configuration or the 
cross-compilation? 

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[beagleboard] Change Real Screen Resolution

2014-02-11 Thread Efecan Yilmaz


Hi,

I'm trying to use a 5.7 LCD screen with Beaglebone Black. I connected the 
pins and it's working but there is a problem. LCD's resolution is 640x480 
and doesn't have an EEPROM. So Beaglebone is setting itself to its defualt 
resolution, which is 1280x720. I'm trying to change the resolution with:

am display-size 640x480

But it doesn't realy change the resolution. It just configure the 
resolution to look like a 640x480 in a 1280x720 screen. When I look at 
dumpsys with:

dumpsys window

it gives me:

DisplayContents:

Display: mDisplayId=0

*init=1280x720 160dpi* base=640x480 160dpi cur=640x480 ...

I think I need to change that init value. I think  that value is being set 
by communicating with LCD's EEPROM. Because when I connect a LCD3 Cape 
dumpsys window gives init=320x240. Or if LCD doesn't have an EEPROM 
Beaglebone set itself to its default resolution. I need to change that 
default resolution. Is there a adb or shell command I can use? Or should I 
change something in kernel?

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Re: [beagleboard] Control hardware from webserver

2014-02-11 Thread Jack Mitchell
On 10/02/14 21:34, William Hermans wrote:
 Jack,
 
 Ok perhaps I am missing something, and I by no means mean to be
 adversarial here. I am just curious, so If i  am missing something
 please feel free to enlighten me.
 
 What is the difference between using setuid(0) and having a web socks
 app running the app ? 

The web socket doesn't run the app, the app is always running, probably
started as a daemon from the init system, and accepts messages from the
web socket. Therefore there is no direct execution of a setuid binary
from the web interface.

 Here is my thinking. If you write the app/service
 correctly, all anyone is going to be able to do is switch on / off an
 LED. Yes, perhaps you do not want *EVERYONE* doing this, but how will
 this solution solve that specific problem ? Unless I am missing
 something . . . nothing can, short of having a user login screen for the
 web interface.

The issue isn't really with _who_ turns the LED on and off, that is a
application specific decision. The issue is with the ability to control
and execute a setuid binary from a possibly insecure, maybe even on the
open web application.

Cheers,

-- 
  Jack Mitchell (j...@embed.me.uk)
  Embedded Systems Engineer
  Cambridgeshire, UK
  http://www.embed.me.uk
-- 

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[beagleboard] Re: Change Real Screen Resolution

2014-02-11 Thread Vishveshwar
On Tuesday, February 11, 2014 3:14:31 PM UTC+5:30, Efecan Yilmaz wrote:

 Hi,

 I'm trying to use a 5.7 LCD screen with Beaglebone Black. I connected the 
 pins and it's working but there is a problem. LCD's resolution is 640x480 
 and doesn't have an EEPROM. So Beaglebone is setting itself to its defualt 
 resolution, which is 1280x720. I'm trying to change the resolution with:

 am display-size 640x480

 But it doesn't realy change the resolution. It just configure the 
 resolution to look like a 640x480 in a 1280x720 screen. When I look at 
 dumpsys with:

 dumpsys window

 it gives me:

 DisplayContents:

 Display: mDisplayId=0

 *init=1280x720 160dpi* base=640x480 160dpi cur=640x480 ...

 I think I need to change that init value. I think  that value is being set 
 by communicating with LCD's EEPROM. Because when I connect a LCD3 Cape 
 dumpsys window gives init=320x240. Or if LCD doesn't have an EEPROM 
 Beaglebone set itself to its default resolution. I need to change that 
 default resolution.

 

 Is there a adb or shell command I can use? Or should I change something in 
 kernel?

That depends on which kernel you are using. If you have the 3.2 android 
kernel from the TI Android DevKit, you need to tinker with the kernel 
sources. With the community 3.8 kernel you could get by with passing a 
kernel parameter.

Do go through the beagleboard and rowboat forums. You would get your 
answers there.

-Vishveshwar

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[beagleboard] Re: Adding support for the BeagleBone White DVI-D with audio cape

2014-02-11 Thread cde

For the record, the DVI not turning on problem was caused by the excessive 
pruning of the video modes in tilcdc_crtc.c (see below); in addition when 
plugging the cable after the beagle had booted, drm_fb_helper.c would 
ignore any EDID and try to force 1024x768 or any lower resolution. The 
pruning is unnecessary, I'm not sure why it is done since any mode within 
the BB bandwidth works fine (the reduced blanking mode is not an issue at 
all). The attached patch fixes both problems and ensures a 1280x720@60 
resolution at all times.

Another issue was with omaplfb_linux.c provided in SDK 5.01.00.01. 
Compiling with PM_SUPPORT=1 FBDEV=yes is required however compilation fails 
as functions register_vsync_cb() and unregister_vsync_cb() are unknown. I 
commented the two if blocks and everything works fine after running 
/opt/gfxsdkdemos/335x-demo (testing with the raw demos provided in the 
SDK). It's likely those two callbacks are not stricly needed, and will only 
allow synchronizing frame switching with the monitor's vertical sync.

---
1st issue (all monitor modes being rejected by tilcdc_crtc.c when 
hotplugging DVI)
---
Feb  9 14:36:13 beagle kernel: [   33.557776] mode 720x576@50 pixel-clock 
27000 audio false cea true can_output false
Feb  9 14:36:13 beagle kernel: [   33.565925] Pruning mode, only support 
reduced blanking modes
Feb  9 14:36:13 beagle kernel: [   33.572013] mode 640x480@60 pixel-clock 
25175 audio false cea true can_output false
Feb  9 14:36:13 beagle kernel: [   33.580085] Pruning mode, only support 
reduced blanking modes
Feb  9 14:36:13 beagle kernel: [   33.586167] mode 720x480@60 pixel-clock 
27000 audio false cea true can_output false
Feb  9 14:36:13 beagle kernel: [   33.594238] Pruning mode, only support 
reduced blanking modes
Feb  9 14:36:13 beagle kernel: [   33.600338] mode 1024x768@60 pixel-clock 
65000 audio false cea false can_output false
Feb  9 14:36:13 beagle kernel: [   33.608610] Pruning mode, only support 
reduced blanking modes
Feb  9 14:36:13 beagle kernel: [   33.614705] mode 640x480@60 pixel-clock 
25200 audio false cea false can_output false
Feb  9 14:36:13 beagle kernel: [   33.622880] Pruning mode, only support 
reduced blanking modes
Feb  9 14:36:13 beagle kernel: [   33.628969] mode 640x480@67 pixel-clock 
30240 audio false cea false can_output false
Feb  9 14:36:13 beagle kernel: [   33.637141] Pruning mode, only support 
reduced blanking modes
Feb  9 14:36:13 beagle kernel: [   33.643260] mode 800x600@56 pixel-clock 
36000 audio false cea false can_output false
Feb  9 14:36:13 beagle kernel: [   33.651423] Pruning mode, only support 
reduced blanking modes
Feb  9 14:36:13 beagle kernel: [   33.657512] mode 800x600@60 pixel-clock 
4 audio false cea false can_output false
Feb  9 14:36:13 beagle kernel: [   33.665684] Pruning mode, only support 
reduced blanking modes
Feb  9 14:36:13 beagle kernel: [   33.672616] mode 1024x768@60 pixel-clock 
65000 audio false cea false can_output false
Feb  9 14:36:13 beagle kernel: [   33.680995] 1024x768, hbp=160, hfp=24, 
hsw=136, vbp=29, vfp=3, vsw=6
---
2nd issue (failed compilation of module omaplfb.ko from SGX 5.01.00.01)
---
  CC [M] 
 
/root/Graphics_SDK_5_01_00_01/GFX_Linux_KM/services4/3rdparty/dc_ti335x_linux/omaplfb_displayclass.o
  CC [M] 
 
/root/Graphics_SDK_5_01_00_01/GFX_Linux_KM/services4/3rdparty/dc_ti335x_linux/omaplfb_linux.o
/root/Graphics_SDK_5_01_00_01/GFX_Linux_KM/services4/3rdparty/dc_ti335x_linux/omaplfb_linux.c:
 
In function 'OMAPLFBWaitForVSync':
/root/Graphics_SDK_5_01_00_01/GFX_Linux_KM/services4/3rdparty/dc_ti335x_linux/omaplfb_linux.c:710:7:
 
error: implicit declaration of function 'register_vsync_cb' 
[-Werror=implicit-function-declaration]
/root/Graphics_SDK_5_01_00_01/GFX_Linux_KM/services4/3rdparty/dc_ti335x_linux/omaplfb_linux.c:710:30:
 
error: 'vsync_callback_t' undeclared (first use in this function)
/root/Graphics_SDK_5_01_00_01/GFX_Linux_KM/services4/3rdparty/dc_ti335x_linux/omaplfb_linux.c:710:30:
 
note: each undeclared identifier is reported only once for each function it 
appears in
/root/Graphics_SDK_5_01_00_01/GFX_Linux_KM/services4/3rdparty/dc_ti335x_linux/omaplfb_linux.c:710:47:
 
error: expected ')' before 'grpx_irq_wait_handler'
/root/Graphics_SDK_5_01_00_01/GFX_Linux_KM/services4/3rdparty/dc_ti335x_linux/omaplfb_linux.c:716:7:
 
error: implicit declaration of function 'unregister_vsync_cb' 
[-Werror=implicit-function-declaration]
/root/Graphics_SDK_5_01_00_01/GFX_Linux_KM/services4/3rdparty/dc_ti335x_linux/omaplfb_linux.c:716:49:
 
error: expected ')' before 'grpx_irq_wait_handler'
cc1: some warnings being treated as errors
make[4]: *** 
[/root/Graphics_SDK_5_01_00_01/GFX_Linux_KM/services4/3rdparty/dc_ti335x_linux/omaplfb_linux.o]
 
Error 1
make[3]: *** 
[/root/Graphics_SDK_5_01_00_01/GFX_Linux_KM/services4/3rdparty/dc_ti335x_linux] 
Error 2
make[2]: *** [_module_/root/Graphics_SDK_5_01_00_01/GFX_Linux_KM] Error 2



On Sunday, February 9, 2014 1:44:35 PM 

Re: [beagleboard] Control hardware from webserver

2014-02-11 Thread William Hermans
*The web socket doesn't run the app, the app is always running, probably
started as a daemon from the init system, and accepts messages from the web
socket. Therefore there is no direct execution of a setuid binary from the
web interface.*
Yeah sorry. My failed attempt at shorthand speak. IPC app of sorts is
what I meant. Whether nodejs, C/C++, or whatever.

I think I do get the other point though. It is not what other people  can
do with your app that is intentional. It is what others may be  able to do
with your app unintentionally( perhaps intentional exploitation on their
behalf, but  something you did not foresee ).


On Tue, Feb 11, 2014 at 3:16 AM, Jack Mitchell m...@communistcode.co.ukwrote:

 On 10/02/14 21:34, William Hermans wrote:
  Jack,
 
  Ok perhaps I am missing something, and I by no means mean to be
  adversarial here. I am just curious, so If i  am missing something
  please feel free to enlighten me.
 
  What is the difference between using setuid(0) and having a web socks
  app running the app ?

 The web socket doesn't run the app, the app is always running, probably
 started as a daemon from the init system, and accepts messages from the
 web socket. Therefore there is no direct execution of a setuid binary
 from the web interface.

  Here is my thinking. If you write the app/service
  correctly, all anyone is going to be able to do is switch on / off an
  LED. Yes, perhaps you do not want *EVERYONE* doing this, but how will
  this solution solve that specific problem ? Unless I am missing
  something . . . nothing can, short of having a user login screen for the
  web interface.

 The issue isn't really with _who_ turns the LED on and off, that is a
 application specific decision. The issue is with the ability to control
 and execute a setuid binary from a possibly insecure, maybe even on the
 open web application.

 Cheers,

 --
   Jack Mitchell (j...@embed.me.uk)
   Embedded Systems Engineer
   Cambridgeshire, UK
   http://www.embed.me.uk
 --

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[beagleboard] Re: USB audio dropouts and Xruns on BBB

2014-02-11 Thread Michal Šmucr
Is there anybody else, whose setup with class audio USB interface is also 
affected by that dropouts?
Just to exclude, that it is not only issue of my BBB?

Thanks a lot,

Michal

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[beagleboard] Re: Change Real Screen Resolution

2014-02-11 Thread Efecan Yilmaz


Thank you for your answer Vishveshwar. I'm using 3.2 Android kernel from TI 
DevKit. I'll try Rowboat Forums. 

On Tuesday, 11 February 2014 12:17:46 UTC+2, Vishveshwar wrote:

 On Tuesday, February 11, 2014 3:14:31 PM UTC+5:30, Efecan Yilmaz wrote:

 Hi,

 I'm trying to use a 5.7 LCD screen with Beaglebone Black. I connected 
 the pins and it's working but there is a problem. LCD's resolution is 
 640x480 and doesn't have an EEPROM. So Beaglebone is setting itself to its 
 defualt resolution, which is 1280x720. I'm trying to change the resolution 
 with:

 am display-size 640x480

 But it doesn't realy change the resolution. It just configure the 
 resolution to look like a 640x480 in a 1280x720 screen. When I look at 
 dumpsys with:

 dumpsys window

 it gives me:

 DisplayContents:

 Display: mDisplayId=0

 *init=1280x720 160dpi* base=640x480 160dpi cur=640x480 ...

 I think I need to change that init value. I think  that value is being 
 set by communicating with LCD's EEPROM. Because when I connect a LCD3 Cape 
 dumpsys window gives init=320x240. Or if LCD doesn't have an EEPROM 
 Beaglebone set itself to its default resolution. I need to change that 
 default resolution.

  

 Is there a adb or shell command I can use? Or should I change something 
 in kernel?

 That depends on which kernel you are using. If you have the 3.2 android 
 kernel from the TI Android DevKit, you need to tinker with the kernel 
 sources. With the community 3.8 kernel you could get by with passing a 
 kernel parameter.

 Do go through the beagleboard and rowboat forums. You would get your 
 answers there.

 -Vishveshwar


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[beagleboard] Re: McASP Interface on Beaglebone

2014-02-11 Thread eze_rg
Hi Levy,
were you able to interface the ADS1278 with the BBB??
Regards

El jueves, 23 de enero de 2014 11:01:31 UTC-3, levy.o...@gmail.com escribió:

 Hi, Eze_rg,

 I'll take a look at the documents. If I make progress, I'll let you know.

 Thanks for the reply,

 Levy Oliveira

 Em quinta-feira, 23 de janeiro de 2014 11h41min29s UTC-2, eze_rg escreveu:

 Hi Levy,
 I'm in a similar quest, trying to interface the pcm1803 (adc) with the 
 beaglebone. I suggest you read 
 thesehttp://www.cs.fsu.edu/~baker/devices/lxr/http/source/linux/Documentation/sound/alsa/soc
  documents 
 so you become familiar with some of the concepts involved.
 I'm in a early stage of my project (still trying to get alsa to register 
 the adc as a soundcard) but i can tell that you need to write a driver for 
 your codec (ADS1278) and you also need
 to modify the file davinci-evm.c.

 I still don't know if modifying those files is enough to make the adc 
 work...

 Regards



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[beagleboard] PWM and Analog ins on TI Android with BBB and Kernel 3.2

2014-02-11 Thread Ernesto Gigliotti
Hello, I have I2C,SPI and GPIOs working on TI Android with 3.2 Kernel 
(without device tree) but I have no clue about PWM and Analog inputs, I 
don't know where I can start looking. I would appreciate any help.

Thanks

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[beagleboard] Re: chipsee beaglebone lcd/dvi expansion kernel support

2014-02-11 Thread cyberd60
OK, so I get to the login and can get past that to command line.

The only thing I see to run on this image is ./OGLES2Water

Should there be an X server or something?


On Thursday, January 30, 2014 3:43:47 AM UTC-6, xris@googlemail.com 
wrote:

 The previous file share expired. File can now be found at:

 http://www.fileswap.com/dl/pxPvW1nVwM/


 On Monday, January 27, 2014 10:28:06 PM UTC+1, crystal@gmail.comwrote:

 Excellent.  thanks.

 I'll give it a whirl tonight.

 On Thursday, January 23, 2014 12:12:25 PM UTC-6, 
 xris@googlemail.comwrote:

 Hey guys,

 As promised. Ubuntu 12.04 BBB image for the Chipsee 7” 1024x600 LCD 
 touchscreen.

 Grab it here:
 http://www.fileswap.com/dl/sdFGPZoIw6/

 You should find yourself downloading 
 bbb-ubuntu-12.04-for-community.xzhttp://www.fileswap.com/dl/sdFGPZoIw6/bbb-ubuntu-12.04-for-community.xz.html

 Just extract and write that to your SD card (4gb expected) with 
 something like:

 *cat bbb-ubuntu-12.04-for-community.xz | xz -d  /dev/sdX*

 Note it’s a raw sector dump NOT a tarball, so extract straight to your 
 SD card device. (eg.  /dev/sdx, NOT /dev/sdx1) 

 Also note this image doesn’t install or boot from MMC so make sure 
 you’ve got the SD card selected on the boot switch thing.

 Once the extract is complete, simply slap it into the BBB and boot.  It 
 should come up with the Chipsee splash screen but then
 boot into Ubuntu 12.04 after a while. 

 Hope this helps.

 l8r,
 Xris.



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[beagleboard] Re: debian: test images (2014-01-10)

2014-02-11 Thread daworm
On Wednesday, January 29, 2014 4:09:44 PM UTC-5, RobertCNelson wrote:
 

 LCD3/LCD4/LCD7 users, xinput_calibrator is installed by default..  

Can you please compare 3.8.13-bone36 with 3.8.13-bone39 to test 
 Micka's touchcreen fix? 

 I've tried to make it very easy to test via: 

 cd /opt/scripts/tools 
 sudo ./update_kernel.sh --kernel v3.8.13-bone36 
 sudo rm /etc/pointercal.xinput 
 sudo reboot 

 cd /opt/scripts/tools 
 sudo ./update_kernel.sh --kernel v3.8.13-bone39 
 sudo rm /etc/pointercal.xinput 
 sudo reboot 

 So please compare and contrast bone36/bone39, as we really need 
 testing from users.. 

 Found this thread via google search, so I am probably missing something. 
 But I can't run these commands because I don't know the root password. 

I can say that on boot with my LCD7, there is really no difference with the 
Angstrom version.  When the calibrate routine comes up at boot, I can click 
the first target with finger or stylus, but when the second comes up, the 
only way it will click is if I touch about half an inch to the left.  Only 
once have I managed to click the third target.  Usually I get a misclick 
message and it starts over.  If I let it time out, it moves on.  If I then 
touch the screen, the mouse pointer starts shaking.  

I do have a mouse connected, and eventually this build gives me mouse 
control back, which is better than the Angstrom build where I had to press 
reset to get it to stop.

This is my first week with this board, and while I'm a long time Linux 
user, and long time software developer, I am a brand new Linux software 
developer, so I'm still in the steep portion of the learning curve.  I'm 
following Malloy's guides mostly, in a VirtualBox VM so I can move my dev 
image around between work and home.
 

 Does your wifi adapter work? Are we missing it's firmware? 


Wicd finds my network via my USB wifi adapter.  RaLink RT3572.  I can 
connect, then load chromium and surf the net just fine.

I'm a little hesitant to try connman.  If it isn't broke, don't fix it...

Finally one of my classic setup_sdcard.sh. 
 [debian-7.3-lxde-armhf-2014-01-22.tar.xz] 


Is there a place I can learn more about this?

My eventual goal is to strip this down to a non X system running QT 
embedded apps on the framebuffer for an embedded kiosk style system.  Most 
of my peripherals are either USB or serial, so my cape will be more like 
a USB hub than anything else, combining LCD interface and power supplies 
with the hub electronics and USB to serial chips all on the same board. 
 Around four discrete GPIO inputs and a 4x4 matrix keyboard are about it 
for other I/O, so I don't anticipate this being terribly difficult.  I'm 
hoping that the USB serial ports will always come up in the same 
/dev/ttyXXX locations (may have to learn udev for that) but that shouldn't 
be much different than desktop linux.  I really don't see the need for X 
and a full desktop for this.  Wired Ethernet and WLAN (USB) 3G cell modem 
support will be needed, but not WiFi (using that now just because there is 
no cable to my kitchen table).

Jeff.

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[beagleboard] AVS implementation for Beagleboard in conflict with the normal use of PMC

2014-02-11 Thread 汤琼

Dear engineers,

I am a user of the BeagleBoard and PandaBoard. Due to the requirements of 
my project, I want to have a Linux kernel that can support the Adjustable 
voltage scaling (AVS) through Smart Reflex as well as the PAPI (Performance 
Application Programming Interface http://icl.cs.utk.edu/papi/) , which is 
an interface to access the performance monitor counters (PMCs) in ARM 
processor (support Cortex A8 and A9).

Firstly, we have found that the PAPI can be supported in any mainline Linux 
kernel version above 3.0(PAPI Results 1), including 3.4.0-rc3 and 
3.6.0-rc5, the two versions which are used to add Smart Reflext support in 
Linux kernel.  Then we followed the post in 
http://lists.infradead.org/pipermail/linux-arm-kernel/2012-May/097920.html , 
to test the AVS on BeagleBoard and Pandaboard. It turns out that both the 
kernel images obtained from the package : mainline-3.4-voltdm-tps-v1 and 
 mainline-3.6-rc5-omap-tps-v2 can support AVS but fails to support PAPI 
(PAPI Results 2). In the next step, we obtained the AVS patch and apply it 
to the Linux mainline kernel version 3.4.0-rc3, 3.4.1 and 3.6.0-rc5, it 
proved that the patched mainline Linux kernel can now support AVS but fail 
to support PAPI.  

To the best of my knowledge, the PAPI functions are successfully inserted 
in all the above cases. But after the AVS patch is applied, PAPI fails to 
return meaningful PMC counts. It seems to me that the implementation of AVS 
 somewhat blocks the normal use of the PMCs in BeagleBoard. I am wondering 
if anybody have been aware of this problem, and it is appreciable if you 
can share your experience  on this issue.

PAPI Results 1 
(BeagleBoard, under Linux mainline above v3.0, including 3.4.0-rc3 and 
3.6.0-rc5):

Added PAPI_L1_DCM
Added PAPI_L1_ICM
Added PAPI_L2_TCM
Added PAPI_TLB_DM
Added PAPI_TLB_IM
Added PAPI_STL_ICY
Added PAPI_BR_TKN
Added PAPI_BR_MSP
Added PAPI_TOT_INS
Added PAPI_LD_INS
Added PAPI_SR_INS
Added PAPI_BR_INS
Added PAPI_TOT_CYC
Added PAPI_L1_DCA
Added PAPI_L1_ICA
Added PAPI_L2_TCA

Event Counts:
PAPI_L1_DCM 64151
PAPI_L1_ICM159362
PAPI_L2_TCM  1883
PAPI_TLB_DM  1835
PAPI_TLB_IM 8
PAPI_STL_ICY 42987476
PAPI_BR_TKN 221854641
PAPI_BR_MSP 91776
PAPI_TOT_INS   2186773029
PAPI_LD_INS 203921167
PAPI_SR_INS 101849208
PAPI_BR_INS 218947812
PAPI_TOT_CYC   1946058572
PAPI_L1_DCA 387448691
PAPI_L1_ICA1228403974
PAPI_L2_TCA220495

multiplex2.c   PASSED


PAPI Results 2 (under  mainline-3.4-voltdm-tps-v1 and 
 mainline-3.6-rc5-omap-tps-v2 ,as well as the mainline version 3.4.0-rc3, 
3.4.1 and 3.6.0-rc5 that are patched with AVS patch):

Added PAPI_L1_DCM
Added PAPI_L1_ICM
Added PAPI_L2_TCM
Added PAPI_TLB_DM
Added PAPI_TLB_IM
Added PAPI_STL_ICY
Added PAPI_BR_TKN
Added PAPI_BR_MSP
Added PAPI_TOT_INS
Added PAPI_LD_INS
Added PAPI_SR_INS
Added PAPI_BR_INS
Added PAPI_TOT_CYC
Added PAPI_L1_DCA
Added PAPI_L1_ICA
Added PAPI_L2_TCA

Event Counts: 
PAPI_L1_DCM 0 
PAPI_L1_ICM 0 
PAPI_L2_TCM 0 
PAPI_TLB_DM 0 
PAPI_TLB_IM 0 
PAPI_STL_ICY 0 
PAPI_BR_TKN 0 
PAPI_BR_MSP 0 
PAPI_TOT_INS 0 
PAPI_LD_INS 0 
PAPI_SR_INS 0 
PAPI_BR_INS 0 
PAPI_TOT_CYC 1950636665 
PAPI_L1_DCA 0 
PAPI_L1_ICA 0 
PAPI_L2_TCA 0

Caution: 15 counters had zero values 
Caution: 14 counter pair(s) had identical values 
multiplex2.c PASSED

Thank you very much.
Qiong

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[beagleboard] run lxde on debootstrap maked UBUNTU

2014-02-11 Thread vinge_ven
Hi all! I make a ubuntu raring rootfs by deboootstrap, and boot the beagle bone 
black correctly.
After apt-get installing the lxde.  I can see the lxdm is runing by ps -aux.
but nothing was show on the hdmi connect to LCD. 
 fbset show that the fb0 is set to 1024x768,but timing is all 0.
 what should I do to make the X correctly and show to hdmi port?

2014-02-11 



vinge_ven 

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[beagleboard] Re: Beaglebone Black Ethernet Phy Not Detected on Boot.

2014-02-11 Thread damon
Can I add in what I'm seeing on a A5C board. 

When the board boots either with or without an ethernet cable connected I 
don't get any lights on the ethernet socket. Whereas my older Beaglebone 
(white version) lights the orange ethernet LED almost immediately after 
power is applied. 

I can plug in different cables and different switches into the ethernet 
port and no go. These cables and switches work fine with the BB white. 

Appropriate dmesg lines are always the same:
[0.762015] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6
[0.762046] davinci_mdio 4a101000.mdio: detected phy mask fffe
[0.763087] libphy: 4a101000.mdio: probed
[0.763120] davinci_mdio 4a101000.mdio: phy[0]: device 4a101000.mdio:00, 
driver SMSC LAN8710/LAN8720
[0.763468] cpsw 4a10.ethernet: NAPI disabled
[5.682733]  gadget: using random self ethernet address
[5.888585] net eth0: initializing cpsw version 1.12 (0)
[5.890892] net eth0: phy found : id is : 0x7c0f1
[5.891109] libphy: PHY 4a101000.mdio:01 not found
[5.896181] net eth0: phy 4a101000.mdio:01 not found on slave 1
[5.960077] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready

Now here comes the crazy part. The *only* way I've managed to get the 
ethernet lights to come on is to plug in an ethernet cable directly from 
the BB white to this BB Black (sometimes this doesn't work first time). 
Then both the orange and green lights come on and stay on on the Black. 
Then I get:
[   17.528196] libphy: 4a101000.mdio:00 - Link is Up - 100/Full
[   17.528261] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

If I set an IPv4 address manually I can't ping between the boards tho. Even 
tho ifconfig is showing some packets flying around:
eth0  Link encap:Ethernet  HWaddr C4:ED:BA:7B:EB:F7  
  inet addr:192.168.5.199  Bcast:192.168.5.255  Mask:255.255.255.0
  UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
  RX packets:41 errors:0 dropped:0 overruns:0 frame:0
  TX packets:105 errors:0 dropped:0 overruns:0 carrier:0
  collisions:0 txqueuelen:1000 
  RX bytes:13493 (13.1 KiB)  TX bytes:30970 (30.2 KiB)
  Interrupt:56 

Craziness does not stop there. About 50% of the time I can then unplug the 
ethernet cable from the BB Black and the ethernet lights (on the now empty 
port) stay lit. I can then plug a cable in between the BB Black and a 
switch and see activity on the green LED (orange LED is still lit). But 
still can't actually get any packets out of it. When I do this no new 
dmesg's appear.

Is this faulty or some symptom similar to what else is in this post? 

I have tried computer USB power, 1A external DC power and a 2.1A USB power 
supply. This was observed with the original eMMC software version and I 
have since flashed it to 2013-09-04 version with no difference. 

regards,
Damon.

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[beagleboard] Re: Availability - how come nobody has any BeagleBone Black to sell?

2014-02-11 Thread dohanchris
They're out of stock already. Expected 07/11/2014.
 
I'll order from Mouser which is expected Feb 28. There is defianetly a 
supply problem. Mouser alone claims it has over 13,000 on order. Sounds 
like demand is higher than anticipated.

On Friday, February 7, 2014 11:11:40 AM UTC-5, Robert Lawrence wrote:



 On Monday, 6 January 2014 21:45:51 UTC-4, Paul Wright wrote:

 I was just curious why none of my usual distributors have any BeagleBone 
 Black boards in stock and most are reporting lead times that are beyond 
 belief.  Has there been some supply chain disturbance I have missed?  
 Shortage of a key component?

 Just seems strange...

 I'm evaluating a potential use but if there are going to be supply issues 
 going forward, that is a concern.

 Does anyone have any information they can offer?

 Regards,

 paul

 they show stock:
 http://www.logicsupply.com/components/beaglebone/



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[beagleboard] simple windows app on beaglebone black

2014-02-11 Thread christianp73
I've compiled a simple program using lib X11 un my unbuntu virtual machine 
and i'd like to port on my BBB but when i compile it i can't link the 
library! I'm new about linux i can install those cross compile libraries 
for angstrom distribution? thanks

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[beagleboard] in 3.11v usb is not working

2014-02-11 Thread ramakrishna
Hi,
  I am builded and loaded image of linux version 3.11 in my 
beaglebone black board.
in the log messages i am seeing only usb-1.0 but not usb-2.0
my usb port on the board is not responding with any device (storage or 
device)

but i am builded 3.8v it is working fine.
i need 3.11v for my work.

Please help on this issue . its urgent required.


Thanks and Regards,
Ramakrishna

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[beagleboard] BBB tilcdc driver for custom lcd panel

2014-02-11 Thread benedict . hewson
I have been using a custom LCD display on a beaglebone black running a 3.8 
kernel using the DA8xx framebuffer.

I am now trying a new kernel with the TILCDC DRM driver.  So I have built a 
new kernel with the TILCDC driver enabled and have disabled DA8xx 
framebuffer support.


I have modified my device tree to include the following.

panel {
compatible =  ti,tilcdc,panel;
pinctrl-names = default;
pinctrl-0 = lcd_pins_s0;
status = okay;
 panel-info {
bpp = 16;
ac-bias = 255;
ac-bias-intrpt = 0;
dma-burst-sz = 16;
fdd = 0x80;
sync-edge = 1;
sync-ctrl = 1;
raster-order = 0;
fifo-th = 0;
invert-pxl-clk;
}; 
display-timings {
native-mode = timing0;
timing0: 480x800 {
bpp = 16; 
clock-frequency = 2800;
hactive = 480;
vactive = 800;
hfront-porch = 1;
hback-porch = 20;
hsync-len = 1;
vback-porch = 11;
vfront-porch = 9;
vsync-len = 10;
hsync-active = 1;
vsync-active = 1;
};
}; 

}; 


The display timings and pinmux settings are the working values from the 
DA8xx framebuffer.
On booting the kernel I get the following snippets.


[1.273229] [drm] Initialized drm 1.1.0 20060810
[1.784763] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[1.791771] [drm] No driver support for vblank timestamp query.

[1.805890] tilcdc 4830e000.lcdc: fb0:  frame buffer device
[1.811792] tilcdc 4830e000.lcdc: registered panic notifier
[1.817647] [drm] Initialized tilcdc 1.0.0 20121205 on minor 0


running fbset gives me the following info



mode 480x800
geometry 480 800 480 800 16
timings 0 0 0 0 0 0 0
accel true
rgba 5/11,6/5,5/0,0/0
endmode

Obviously the timings are wrong.


I have the following listed in /sys/class/drm 

lrwxrwxrwx1 root root 0 Jan 16 07:17 card0 - 
../../devices/ocp.3/4830e000.lcdc/drm/card0/
lrwxrwxrwx1 root root 0 Jan 16 07:17 card0-LVDS-1 - 
../../devices/ocp.3/4830e000.lcdc/drm/card0/card0-LVDS-1/
lrwxrwxrwx1 root root 0 Jan 16 07:17 controlD64 - 
../../devices/ocp.3/4830e000.lcdc/drm/controlD64/

further more.

cat /sys/class/drm/card0-LVDS-1/status 
connected

cat /sys/class/drm/card0-LVDS-1/enabled
disabled

My problem is that it is not enabled.
I am assuming I need to pass some sort of video= to the kernel from 
uboot, but I have no idea what.
Is there some other configuration I am missing ?

Has anyone else got this driver to work with an LCD panel ?



many thanks
Ben



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[beagleboard] MPL115A1 pressure sensor via SPI0 on BBB

2014-02-11 Thread Julien Tréguer-Rivet
Hello everyone,

I have an issue using a MPL115A1 with my BBB.
I found many programs for Arduino but I can't find the libraries and the 
names to adapt the code for my BBB.

Is there any specific data sheet for the SPI0 of BBB ?

One exemple is available at https://www.sparkfun.com/products/9721.

Thank you.

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[beagleboard] BBB as network sniffer

2014-02-11 Thread Milan
Hi,

I've found that AM335x processors did't implement promiscuous mode for 
eth0 ethernet driver TI CPSW and the message which kernel throws is 
Promiscuous mode ignored!. Also, if i run tcpdump (on usb0 port) which is 
usb client on BBB, devices can enter in promisc mode.

Maybe somebody had any experience with USB-to-RJ45 adapters, which could be 
connected to usb host port on BBB and utilize it as network sniffer port?


br
Milan

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Re: [beagleboard] Xenomai master - BBB RCNelson 3.13-bone5 kernel patches

2014-02-11 Thread David Lewin
This doens't work neither :

   - git clone https://github.com/cdsteinkuehler/linux-dev
   - git checkout --track -b 3.8.13-bone39-xenomai

git status :
# On branch 3.8.13-bone39-xenomai
nothing to commit (working directory clean)


   - ./build_kernel.sh :

generates a  *3.11.0-rc1-armv7-d1.zImage*





2014-02-07 17:38 GMT+01:00 Charles Steinkuehler char...@steinkuehler.net:

 If you're wanting a Xenomai kernel, you should:

 git checkout --track 3.8.13-bone39-xenomai

 ...then run the build-kernel.sh script.

 If you want a plain kernel, pull from Robert's repository and use one of
 the 3.8.13-bone* tags.  It's not a branch so when you checkout the tag
 you'll get a detatched head warning.  You can ignore this (until you
 have changes you want to push back upstream) and just build the kernel
 as usual.

 On 2/7/2014 9:55 AM, David Lewin wrote:
  Therefore, this would need to
 
  - git checkout to branch /3.8.13-bone36 as the emmc flasher kernel use
 this
  one
  - build_kernel.sh anew
 
  is that right ?
  if yes, I couldn't retrieve where to set the branch to co.
 
  2014-02-07 Charles Steinkuehler char...@steinkuehler.net:
 
  If you're using my linux-dev repository, you need to check out the
  appropriate branch, master is not intended for actual use.
 
  On 2/7/2014 8:48 AM, David Lewin wrote:
  I've followed :
 
  For the MachineKit Xenomai kernels it's very easy, and identical to
  working with Robert Nelson's kernels.  You just work from my github
  repository instead of his (I've added the Xenomai patches to the
  laundry-list of BeagleBone patches his scripts apply):
  https://github.com/cdsteinkuehler/linux-dev
  You run the ./build_kernel.sh script, so the BeagleBone and Xenomai
  patches will be applied.  You can then edit the configuration as
 desired
  and rebuild the kernel using tools/rebuild.sh
 
 
  which may be wrong, but :
  *git branch  *
  within linux-dev is correctly pointing to master.
 
  What did I've missed
 
 
  2014-02-07 Robert Nelson robertcnel...@gmail.com:
 
 
 
 
  On Fri, Feb 7, 2014 at 8:09 AM, David Lewin dlewin...@gmail.com
  wrote:
 
  Charles,
  My tries didn't succeeded, but I'm sure I've missed the good kernel :
  I've flashed the
 
 
 http://rcn-ee.net/deb/testing/2014-02-05/BBB-eMMC-flasher-debian-7.3-2014-02-05-2gb.img.xz
  which could boot and run.
  It use currently : 3.8.13-bone36
  I then build the linux-dev where /deploy/3.11.0-rc1-armv7-d1.zimage
 to
  overwrite the bbb /boot/uboot
  which lead me to a wrong boot : 4 leds fixed.
 
  Therefore, please where to get the correct kernel to swap from ?
 
 
  If you built/installed 3.11.0-rc1-armv7-d1.zimage then you didn't
  follow
  the directions posted, as that would have been the master branch of
  linux-dev..
 
  Regards,
 
  --
  Robert Nelson
  http://www.rcn-ee.com/
 
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Re: [beagleboard] Re: Availability - how come nobody has any BeagleBone Black to sell?

2014-02-11 Thread Gerald Coley
Yes, the demand is higher than the distributors anticipated. We
are basically keeping up with the backlog. If you wait until
a distributor shows stock to order, odds are you won't get it.

Gerald



On Mon, Feb 10, 2014 at 9:54 PM, dohanch...@gmail.com wrote:

 They're out of stock already. Expected 07/11/2014.

 I'll order from Mouser which is expected Feb 28. There is defianetly a
 supply problem. Mouser alone claims it has over 13,000 on order. Sounds
 like demand is higher than anticipated.

 On Friday, February 7, 2014 11:11:40 AM UTC-5, Robert Lawrence wrote:



 On Monday, 6 January 2014 21:45:51 UTC-4, Paul Wright wrote:

 I was just curious why none of my usual distributors have any BeagleBone
 Black boards in stock and most are reporting lead times that are beyond
 belief.  Has there been some supply chain disturbance I have missed?
 Shortage of a key component?

 Just seems strange...

 I'm evaluating a potential use but if there are going to be supply
 issues going forward, that is a concern.

 Does anyone have any information they can offer?

 Regards,

 paul

 they show stock:
 http://www.logicsupply.com/components/beaglebone/

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[beagleboard] AVS implementation for Beagleboard in conflict with the normal use of PMC

2014-02-11 Thread 汤琼

Hello every, 

I am a user of the BeagleBoard and PandaBoard. Due to the requirements of 
my project, I want to have a Linux kernel that can support the Adjustable 
voltage scaling (AVS) through Smart Reflex as well as the PAPI (Performance 
Application Programming Interface http://icl.cs.utk.edu/papi/) , which 
is an interface to access the performance monitor counters (PMCs) in ARM 
processor (support Cortex A8 and A9). 

Firstly, we have found that the *PAPI can be supported* in any mainline 
Linux kernel version above 3.0(PAPI Results 1), including 3.4.0-rc3 and 
3.6.0-rc5, the two versions which are used to add Smart Reflext support 
in Linux kernel.  Then we followed the post in 
http://lists.infradead.org/pipermail/linux-arm-kernel/2012-May/097920.html , to 
test the AVS on BeagleBoard and Pandaboard. It turns out that both the 
kernel images obtained from the package : 
mainline-3.4-voltdm-tps-v1https://gitorious.org/omap-pm/omap-pm-work/source/fe55d2d3d7b996d67303f73a47b21eb157e9b9ed:#
 and  
mainline-3.6-rc5-omap-tps-v2https://gitorious.org/omap-pm/omap-pm-work/source/e5c892271258e94b06a22b51dc7e6e5e6a4bd090:#
 can support AVS but fails to support PAPI (PAPI Results 2). In the next 
step, we obtained the AVS patch and apply it to the Linux mainline kernel 
version 3.4.0-rc3, 3.4.1 and 3.6.0-rc5, it proved that the patched mainline 
Linux kernel can now support AVS but fail to support PAPI.  

To the best of my knowledge, the PAPI functions are successfully inserted 
in all the above cases. But after the AVS patch is applied, PAPI fails to 
return meaningful PMC counts. It seems to me that the implementation of AVS 
 somewhat blocks the normal use of the PMCs in BeagleBoard. I am wondering 
somebody have been aware of this problem, and it is appreciable if you can 
share 
your experience  on this issue. 

PAPI Results 1 
(BeagleBoard, under Linux mainline above v3.0, including 3.4.0-rc3 and 
3.6.0-rc5): 

Added PAPI_L1_DCM
Added PAPI_L1_ICM
Added PAPI_L2_TCM
Added PAPI_TLB_DM
Added PAPI_TLB_IM
Added PAPI_STL_ICY
Added PAPI_BR_TKN
Added PAPI_BR_MSP
Added PAPI_TOT_INS
Added PAPI_LD_INS
Added PAPI_SR_INS
Added PAPI_BR_INS
Added PAPI_TOT_CYC
Added PAPI_L1_DCA
Added PAPI_L1_ICA
Added PAPI_L2_TCA

Event Counts:
PAPI_L1_DCM 64151
PAPI_L1_ICM159362
PAPI_L2_TCM  1883
PAPI_TLB_DM  1835
PAPI_TLB_IM 8
PAPI_STL_ICY 42987476
PAPI_BR_TKN 221854641
PAPI_BR_MSP 91776
PAPI_TOT_INS   2186773029
PAPI_LD_INS 203921167
PAPI_SR_INS 101849208
PAPI_BR_INS 218947812
PAPI_TOT_CYC   1946058572
PAPI_L1_DCA 387448691
PAPI_L1_ICA1228403974
PAPI_L2_TCA220495

multiplex2.c   PASSED


PAPI Results 2 (under  
mainline-3.4-voltdm-tps-v1https://gitorious.org/omap-pm/omap-pm-work/source/fe55d2d3d7b996d67303f73a47b21eb157e9b9ed:#
 and  
mainline-3.6-rc5-omap-tps-v2https://gitorious.org/omap-pm/omap-pm-work/source/e5c892271258e94b06a22b51dc7e6e5e6a4bd090:#
 ,as 
well as the mainline version 3.4.0-rc3, 3.4.1 and 3.6.0-rc5 that are 
patched with AVS patch): 
Added PAPI_L1_DCM
Added PAPI_L1_ICM
Added PAPI_L2_TCM
Added PAPI_TLB_DM
Added PAPI_TLB_IM
Added PAPI_STL_ICY
Added PAPI_BR_TKN
Added PAPI_BR_MSP
Added PAPI_TOT_INS
Added PAPI_LD_INS
Added PAPI_SR_INS
Added PAPI_BR_INS
Added PAPI_TOT_CYC
Added PAPI_L1_DCA
Added PAPI_L1_ICA
Added PAPI_L2_TCA

Event Counts: 
PAPI_L1_DCM 0 
PAPI_L1_ICM 0 
PAPI_L2_TCM 0 
PAPI_TLB_DM 0 
PAPI_TLB_IM 0 
PAPI_STL_ICY 0 
PAPI_BR_TKN 0 
PAPI_BR_MSP 0 
PAPI_TOT_INS 0 
PAPI_LD_INS 0 
PAPI_SR_INS 0 
PAPI_BR_INS 0 
PAPI_TOT_CYC 1950636665 
PAPI_L1_DCA 0 
PAPI_L1_ICA 0 
PAPI_L2_TCA 0 

Caution: 15 counters had zero values 
Caution: 14 counter pair(s) had identical values 
multiplex2.c PASSED 

Thank you very much.
Qiong

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Re: [beagleboard] AVS implementation for Beagleboard in conflict with the normal use of PMC

2014-02-11 Thread Gerald Coley
Any chance you can let everyone know which of the four BeagleBoards you are
using?

Gerald



On Tue, Feb 11, 2014 at 5:18 AM, 汤琼 qiongtanglu...@gmail.com wrote:


 Hello every,

 I am a user of the BeagleBoard and PandaBoard. Due to the requirements of
 my project, I want to have a Linux kernel that can support the Adjustable
 voltage scaling (AVS) through Smart Reflex as well as the PAPI
 (Performance Application Programming Interface http://icl.cs.utk.edu/papi/) , 
 which
 is an interface to access the performance monitor counters (PMCs) in ARM
 processor (support Cortex A8 and A9).

 Firstly, we have found that the *PAPI can be supported* in any mainline
 Linux kernel version above 3.0(PAPI Results 1), including 3.4.0-rc3 and
 3.6.0-rc5, the two versions which are used to add Smart Reflext support
 in Linux kernel.  Then we followed the post in http://lists.infradead.org/
 pipermail/linux-arm-kernel/2012-May/097920.html , to test the AVS on
 BeagleBoard and Pandaboard. It turns out that both the kernel images
 obtained from the package : 
 mainline-3.4-voltdm-tps-v1https://gitorious.org/omap-pm/omap-pm-work/source/fe55d2d3d7b996d67303f73a47b21eb157e9b9ed:#
  and  
 mainline-3.6-rc5-omap-tps-v2https://gitorious.org/omap-pm/omap-pm-work/source/e5c892271258e94b06a22b51dc7e6e5e6a4bd090:#
  can support AVS but fails to support PAPI (PAPI Results 2). In the next
 step, we obtained the AVS patch and apply it to the Linux mainline kernel
 version 3.4.0-rc3, 3.4.1 and 3.6.0-rc5, it proved that the patched
 mainline Linux kernel can now support AVS but fail to support PAPI.

 To the best of my knowledge, the PAPI functions are successfully inserted
 in all the above cases. But after the AVS patch is applied, PAPI fails to
 return meaningful PMC counts. It seems to me that the implementation of AVS
  somewhat blocks the normal use of the PMCs in BeagleBoard. I am wondering
 somebody have been aware of this problem, and it is appreciable if you can 
 share
 your experience  on this issue.

 PAPI Results 1
 (BeagleBoard, under Linux mainline above v3.0, including 3.4.0-rc3 and
 3.6.0-rc5):

 Added PAPI_L1_DCM
 Added PAPI_L1_ICM
 Added PAPI_L2_TCM
 Added PAPI_TLB_DM
 Added PAPI_TLB_IM
 Added PAPI_STL_ICY
 Added PAPI_BR_TKN
 Added PAPI_BR_MSP
 Added PAPI_TOT_INS
 Added PAPI_LD_INS
 Added PAPI_SR_INS
 Added PAPI_BR_INS
 Added PAPI_TOT_CYC
 Added PAPI_L1_DCA
 Added PAPI_L1_ICA
 Added PAPI_L2_TCA

 Event Counts:
 PAPI_L1_DCM 64151
 PAPI_L1_ICM159362
 PAPI_L2_TCM  1883
 PAPI_TLB_DM  1835
 PAPI_TLB_IM 8
 PAPI_STL_ICY 42987476
 PAPI_BR_TKN 221854641
 PAPI_BR_MSP 91776
 PAPI_TOT_INS   2186773029
 PAPI_LD_INS 203921167
 PAPI_SR_INS 101849208
 PAPI_BR_INS 218947812
 PAPI_TOT_CYC   1946058572
 PAPI_L1_DCA 387448691
 PAPI_L1_ICA1228403974
 PAPI_L2_TCA220495

 multiplex2.c   PASSED


 PAPI Results 2 (under  
 mainline-3.4-voltdm-tps-v1https://gitorious.org/omap-pm/omap-pm-work/source/fe55d2d3d7b996d67303f73a47b21eb157e9b9ed:#
  and  
 mainline-3.6-rc5-omap-tps-v2https://gitorious.org/omap-pm/omap-pm-work/source/e5c892271258e94b06a22b51dc7e6e5e6a4bd090:#
  ,as
 well as the mainline version 3.4.0-rc3, 3.4.1 and 3.6.0-rc5 that are
 patched with AVS patch):
 Added PAPI_L1_DCM
 Added PAPI_L1_ICM
 Added PAPI_L2_TCM
 Added PAPI_TLB_DM
 Added PAPI_TLB_IM
 Added PAPI_STL_ICY
 Added PAPI_BR_TKN
 Added PAPI_BR_MSP
 Added PAPI_TOT_INS
 Added PAPI_LD_INS
 Added PAPI_SR_INS
 Added PAPI_BR_INS
 Added PAPI_TOT_CYC
 Added PAPI_L1_DCA
 Added PAPI_L1_ICA
 Added PAPI_L2_TCA

 Event Counts:
 PAPI_L1_DCM 0
 PAPI_L1_ICM 0
 PAPI_L2_TCM 0
 PAPI_TLB_DM 0
 PAPI_TLB_IM 0
 PAPI_STL_ICY 0
 PAPI_BR_TKN 0
 PAPI_BR_MSP 0
 PAPI_TOT_INS 0
 PAPI_LD_INS 0
 PAPI_SR_INS 0
 PAPI_BR_INS 0
 PAPI_TOT_CYC 1950636665
 PAPI_L1_DCA 0
 PAPI_L1_ICA 0
 PAPI_L2_TCA 0

 Caution: 15 counters had zero values
 Caution: 14 counter pair(s) had identical values
 multiplex2.c PASSED

 Thank you very much.
 Qiong

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[beagleboard] Kaoss-bone. Project idea.

2014-02-11 Thread davidmronan
Hi guys,

I'm taking a module in real-time dsp at my uni. I'm trying to come up with 
an idea for a final project. I was thinking of creating my own very simple 
Kaoss pad. For those of you who don't know what one is, here's a 
link http://www.youtube.com/watch?v=owkeBOcC-AQ. I just want to do simple 
FX processing. I have an audio cape for my board.

I also have a broken Mac book pro and was planning to use the multi-touch 
track pad as a controller for the fx. If I could get that working I could 
have a lot of fun, but I've no idea how difficult it would be to hack this. 
Dose anyone have any experience with this? Maybe the project is a bit too 
ambitious...

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Re: [beagleboard] Xenomai master - BBB RCNelson 3.13-bone5 kernel patches

2014-02-11 Thread Robert Nelson
On Tue, Feb 11, 2014 at 8:12 AM, David Lewin dlewin...@gmail.com wrote:

 This doens't work neither :

- git clone https://github.com/cdsteinkuehler/linux-dev
- git checkout --track -b 3.8.13-bone39-xenomai

 git status :
 # On branch 3.8.13-bone39-xenomai
 nothing to commit (working directory clean)


- ./build_kernel.sh :

 generates a  *3.11.0-rc1-armv7-d1.zImage*


Lets... see..

https://github.com/cdsteinkuehler/linux-dev/blob/3.8.13-bone39-xenomai/version.sh#L32

branch/tag: 3.8.13-bone39-xenomai
build: BUILD=bone39

Just checkout the branch like a normal user.


   - git clone https://github.com/cdsteinkuehler/linux-dev
   - git checkout origin/3.8.13-bone39-xenomai -b
   some_local_temp_branch_name


Regards,

-- 
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http://www.rcn-ee.com/

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Re: [beagleboard] run lxde on debootstrap maked UBUNTU

2014-02-11 Thread Robert Nelson
On Mon, Feb 10, 2014 at 11:17 PM, vinge_ven vinge_...@163.com wrote:

  Hi all! I make a ubuntu raring rootfs by deboootstrap, and boot the
 beagle bone black correctly.
 After apt-get installing the lxde.  I can see the lxdm is runing by ps
 -aux.
 but nothing was show on the hdmi connect to LCD.
  fbset show that the fb0 is set to 1024x768,but timing is all 0.
  what should I do to make the X correctly and show to hdmi port?


Setup an xorg.conf overide


http://eewiki.net/display/linuxonarm/BeagleBone+Black#BeagleBoneBlack-HDMI

Regards,

-- 
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http://www.rcn-ee.com/

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Re: [beagleboard] in 3.11v usb is not working

2014-02-11 Thread Robert Nelson
On Tue, Feb 11, 2014 at 12:18 AM, ramakris...@watchy.in wrote:

 Hi,
   I am builded and loaded image of linux version 3.11 in my
 beaglebone black board.
 in the log messages i am seeing only usb-1.0 but not usb-2.0
 my usb port on the board is not responding with any device (storage or
 device)

 but i am builded 3.8v it is working fine.
 i need 3.11v for my work.

 Please help on this issue . its urgent required.


Use mainline v3.12.x/v3.13.x for usb working out of the box on this board..

Regards,

-- 
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http://www.rcn-ee.com/

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Re: [beagleboard] Re: debian: test images (2014-01-10)

2014-02-11 Thread Robert Nelson
On Mon, Feb 10, 2014 at 8:59 PM, daw...@gmail.com wrote:

 On Wednesday, January 29, 2014 4:09:44 PM UTC-5, RobertCNelson wrote:


 LCD3/LCD4/LCD7 users, xinput_calibrator is installed by default..

 Can you please compare 3.8.13-bone36 with 3.8.13-bone39 to test
 Micka's touchcreen fix?

 I've tried to make it very easy to test via:

 cd /opt/scripts/tools
 sudo ./update_kernel.sh --kernel v3.8.13-bone36
 sudo rm /etc/pointercal.xinput
 sudo reboot

 cd /opt/scripts/tools
 sudo ./update_kernel.sh --kernel v3.8.13-bone39
 sudo rm /etc/pointercal.xinput
 sudo reboot

 So please compare and contrast bone36/bone39, as we really need
 testing from users..



First, there is a newer release of this test image posted here:

https://groups.google.com/d/msg/beagleboard/D1ioNrzzXfQ/LdfJ2ccuiY4J



 Found this thread via google search, so I am probably missing something.
  But I can't run these commands because I don't know the root password.


The root password is blank, the default user's debian password is
temppwd this should be detailed on the serial prompt login.



 I can say that on boot with my LCD7, there is really no difference with
 the Angstrom version.  When the calibrate routine comes up at boot, I can
 click the first target with finger or stylus, but when the second comes up,
 the only way it will click is if I touch about half an inch to the left.
  Only once have I managed to click the third target.  Usually I get a
 misclick message and it starts over.  If I let it time out, it moves on.
  If I then touch the screen, the mouse pointer starts shaking.


Please retry with last week's image, there was a few xinput fixes pulled
in..




 I do have a mouse connected, and eventually this build gives me mouse
 control back, which is better than the Angstrom build where I had to press
 reset to get it to stop.

 This is my first week with this board, and while I'm a long time Linux
 user, and long time software developer, I am a brand new Linux software
 developer, so I'm still in the steep portion of the learning curve.  I'm
 following Malloy's guides mostly, in a VirtualBox VM so I can move my dev
 image around between work and home.


 Does your wifi adapter work? Are we missing it's firmware?


 Wicd finds my network via my USB wifi adapter.  RaLink RT3572.  I can
 connect, then load chromium and surf the net just fine.

 I'm a little hesitant to try connman.  If it isn't broke, don't fix it...

 Finally one of my classic setup_sdcard.sh.
 [debian-7.3-lxde-armhf-2014-01-22.tar.xz]


 Is there a place I can learn more about this?


./setup_sdcard.sh --help

More docs here:
http://elinux.org/BeagleBoardDebian#Debian_Stable_.28wheezy.29



 My eventual goal is to strip this down to a non X system running QT
 embedded apps on the framebuffer for an embedded kiosk style system.  Most
 of my peripherals are either USB or serial, so my cape will be more like
 a USB hub than anything else, combining LCD interface and power supplies
 with the hub electronics and USB to serial chips all on the same board.
  Around four discrete GPIO inputs and a 4x4 matrix keyboard are about it
 for other I/O, so I don't anticipate this being terribly difficult.  I'm
 hoping that the USB serial ports will always come up in the same
 /dev/ttyXXX locations (may have to learn udev for that) but that shouldn't
 be much different than desktop linux.  I really don't see the need for X
 and a full desktop for this.  Wired Ethernet and WLAN (USB) 3G cell modem
 support will be needed, but not WiFi (using that now just because there is
 no cable to my kitchen table).


Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/

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Re: [beagleboard] Re: SGX drivers on Kernel 3.8.13

2014-02-11 Thread jan . weber . wf

Hi,

just to be sure and i am not totally wrong, kernel 3.8.13-bone40.1 is 
working with Graphics SDK 4.10.00.01 ?

Cause it doesnt work at my bbb :(

I build the kernel with standard config. - no problem
than i build SDK with  make OMAPES=8.x FBDEV=yes SUPPORT_XORG=0 - no 
problem
make install 

at the BBB i execute /etc/init.d/335x-demo 
restart
after restart i execute /etc/init.d/rc.pvr wich gives:
root@arm:~# /etc/init.d/rc.pvr start
Module pvrsrvkm failed to load. Retrying.
Running /sbin/depmod
/usr/local/bin/pvrsrvctl: SrvInit failed (already initialized?) (err=4)


am i missing something ?

which distribution are you working with ? 
i took ubuntu minimal image. with no extra packages

thx for any help

Jan







Am Mittwoch, 5. Februar 2014 19:02:22 UTC+1 schrieb RobertCNelson:

 On Wed, Feb 5, 2014 at 10:22 AM, Charles Steinkuehler 
 cha...@steinkuehler.net javascript: wrote: 
  Great news!  So this _is_ for the BeagleBone (with the HDMI and other 
  BeagleBone kernel patches) or just for the plain AM335x kernel? 

 They seem to be setup for our patchset.. 

 Just pushed them: 

 https://github.com/RobertCNelson/linux-dev/commit/c29ded356595c216ab534417f44528c27464
  

 Regards, 

 -- 
 Robert Nelson 
 http://www.rcn-ee.com/ 


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Re: [beagleboard] Knee Brace Project planted with 6 Accelerometers and BBB

2014-02-11 Thread stkoby
It works for me, I'm now trying to make work with c++ :(
(PYTHON)
tilt = bus.read_byte_data(DEVICE_ADDRESS, DEVICE_REGISTER), that's all. All 
you need to do is find out the correct addresses at datasheet :) mine is: 
DEVICE_ADDRESS = 0x53 and DEVICE_REGISTER (DATA) = 0x32 to 0x37 (LSB,MSB), 
but you can use bus.read_word_data(DEVICE_ADDRESS, DEVICE_REGISTER) to read 
LSB and MSB together.

Good lucky

On Tuesday, November 19, 2013 6:41:30 PM UTC-2, Zain Dar wrote:

 Oh yeah I've seen this one but then I turned away from it since it worked 
 with the raspberry pi. I'll give this one a try too, maybe it should work 
 with it. 
 I also have another question: I need to record or save the voltage 
 readings into a file for the sd card of the beaglebone. What is the lines 
 of code that I need to add and which part of the code I should add it in? 
 Thanks for the help!


 On Tue, Nov 19, 2013 at 8:48 AM, Seth transis...@gmail.com 
 javascript:wrote:

 Have you seen this library https://github.com/pimoroni/adxl345-python?
  
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[beagleboard] Account privileges

2014-02-11 Thread Alastair Gilmore
Hi, 
I've got Ubuntu installed on the BBB and have compiled a C++ Hellow 
World on Eclipse and a Ubuntu PC. I can SSH the program to my account on 
the BBB, and it runs ok. I then SSH a program to flash the LED (from Derek 
Molloy's tutorial) and although the terminal messages appear the LED 
doesn't flash. I understand that my BBB account doesn't have 'write' 
privileges for the LED, only Root has, but don't know how to make the 
program work or change these privileges. I've tried SUDO but that doesn't 
work either. Can anyone help me please.
Thanks
Alastair

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Re: [beagleboard] Re: Availability - how come nobody has any BeagleBone Black to sell?

2014-02-11 Thread Dan
Try a Wandboard as an alternative to the Beagle Bone Black until supply 
catches up with demand:

http://www.wandboard.org/

If you are looking to go into production there is a path forward with 
Wandboard (7-10 lifespan and supply guarantee) 

On Tuesday, February 11, 2014 8:13:47 AM UTC-6, Gerald wrote:

 Yes, the demand is higher than the distributors anticipated. We 
 are basically keeping up with the backlog. If you wait until 
 a distributor shows stock to order, odds are you won't get it.

 Gerald



 On Mon, Feb 10, 2014 at 9:54 PM, dohan...@gmail.com javascript: wrote:

 They're out of stock already. Expected 07/11/2014.
  
 I'll order from Mouser which is expected Feb 28. There is defianetly a 
 supply problem. Mouser alone claims it has over 13,000 on order. Sounds 
 like demand is higher than anticipated.

 On Friday, February 7, 2014 11:11:40 AM UTC-5, Robert Lawrence wrote:



 On Monday, 6 January 2014 21:45:51 UTC-4, Paul Wright wrote:

 I was just curious why none of my usual distributors have any 
 BeagleBone Black boards in stock and most are reporting lead times that 
 are 
 beyond belief.  Has there been some supply chain disturbance I have 
 missed?  Shortage of a key component?

 Just seems strange...

 I'm evaluating a potential use but if there are going to be supply 
 issues going forward, that is a concern.

 Does anyone have any information they can offer?

 Regards,

 paul

 they show stock:
 http://www.logicsupply.com/components/beaglebone/

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[beagleboard] Re: McASP Interface on Beaglebone

2014-02-11 Thread levy . oliveira
Hi, Eze_rg,

In linux, not yet! I am trying to achieve my goals with starterware first! 
After that I will try it with linux!

Regards

Em terça-feira, 11 de fevereiro de 2014 11h29min12s UTC-2, eze_rg escreveu:

 Hi Levy,
 were you able to interface the ADS1278 with the BBB??
 Regards

 El jueves, 23 de enero de 2014 11:01:31 UTC-3, levy.o...@gmail.comescribió:

 Hi, Eze_rg,

 I'll take a look at the documents. If I make progress, I'll let you know.

 Thanks for the reply,

 Levy Oliveira

 Em quinta-feira, 23 de janeiro de 2014 11h41min29s UTC-2, eze_rg escreveu:

 Hi Levy,
 I'm in a similar quest, trying to interface the pcm1803 (adc) with the 
 beaglebone. I suggest you read 
 thesehttp://www.cs.fsu.edu/~baker/devices/lxr/http/source/linux/Documentation/sound/alsa/soc
  documents 
 so you become familiar with some of the concepts involved.
 I'm in a early stage of my project (still trying to get alsa to register 
 the adc as a soundcard) but i can tell that you need to write a driver for 
 your codec (ADS1278) and you also need
 to modify the file davinci-evm.c.

 I still don't know if modifying those files is enough to make the adc 
 work...

 Regards



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[beagleboard] Computer vision camera with beaglebone black

2014-02-11 Thread ahmed . alkabary
Hello everyone , 

I want to make a smart drone that avoids obstacles using a camera and 
opencv with beaglebone black , i am wondering which camera would you 
recommend for this kind of project ?


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Re: [beagleboard] Vanilla kernel with real-time patch doesn't build for omap3 BBxM Ubuntu12.04

2014-02-11 Thread Robert Nelson
On Tue, Feb 11, 2014 at 3:38 AM, hvn...@gmail.com wrote:

 Op maandag 10 februari 2014 16:34:51 UTC+1 schreef RobertCNelson:




 On Sun, Feb 9, 2014 at 9:34 AM, hvn...@gmail.com wrote:

 Hi,

 I patched a vanilla kernel for realtime and configured it for omap3
 beagle. However, after building it using make-kpkg with
 DEB_HOST_ARCH=armhf CLEAN_SOURCE=no fakeroot make-kpkg --arch=arm
 --subarch=omap3 --cross-compile=arm-linux-gnueabihf- --initrd
 --append-to-version -xenomai-2.6.3-omap3 --revision 1.4 kernel_image
 kernel_headers, synaptic tells me it's armhf but no omap kernel. Despite
 searching, how should I patch this vanilla kernel for omap3 so it runs on
 the BBxM ?


 Don't use the subarch flag with make-kpkg, it's for something else, not
 related to the soc family of arm devices..


 I have removed the subarch flag, and now I get the error message Kernel
 . does not match your subarchitecture omap, therefore not writing it
 to flash..


Okay.. not writing it to flash  your dealing with ubuntu's flash-kernel
script. So when you install a *.deb, dpkg calls flash-kernel...

It's a middle layer script that ubuntu wrote to generically install the
boot files to the correct location for a bunch of devices.  Unless you run
ubuntu's kernel, it just gets in the way..

With my images:
http://elinux.org/BeagleBoardUbuntu#Demo_Image

I disable flash-kernel outright, as it always makes the wrong assumptions.

via:
https://github.com/RobertCNelson/omap-image-builder/blob/master/scripts/chroot.sh#L261

The running kernel (Ubuntu 12.04 omap armv7l) is v3.2.0-55-omap from repo.
 I noticed that the latest stable kernel indeed has a different
 configuration for omap. But I wonder, where does that message about
 subarchitecture omap really come from? The kernel configuration or the
 cross-compilation?


So good luck with dealing with the flash-kernel script..

Regards,

-- 
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http://www.rcn-ee.com/

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[beagleboard] Re: Account privileges

2014-02-11 Thread Rusty Wright
This is perhaps a more long-winded reply than you might want but in the 
general case I'm wondering why
the BBB is shipped with the device nodes in /dev for LEDs, and any other 
i/o stuff, set to be owned and
writable only by root.  It seems to me that it would be nicer if there was 
a unix group that had write permission
to the device nodes and a udev rule that set up the devices to have write 
permission by that group.  Different
devices could have different groups if you want to keep things narrowed 
down.

http://www.linux.com/news/hardware/peripherals/180950-udev

Then just add your account and any others to that group that need write 
access.  (And read access as
well for the devices that are readable.)


On Tuesday, February 11, 2014 8:22:14 AM UTC-8, Alastair Gilmore wrote:

 Hi, 
 I've got Ubuntu installed on the BBB and have compiled a C++ Hellow 
 World on Eclipse and a Ubuntu PC. I can SSH the program to my account on 
 the BBB, and it runs ok. I then SSH a program to flash the LED (from Derek 
 Molloy's tutorial) and although the terminal messages appear the LED 
 doesn't flash. I understand that my BBB account doesn't have 'write' 
 privileges for the LED, only Root has, but don't know how to make the 
 program work or change these privileges. I've tried SUDO but that doesn't 
 work either. Can anyone help me please.
 Thanks
 Alastair


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[beagleboard] Re: Control hardware from webserver

2014-02-11 Thread Rusty Wright
Having to be root to diddle with the i/o pins seems questionable to me from 
a unix security standpoint.

Repeating my response to a similar question:

This is perhaps a more long-winded reply than you might want but in the 
general case I'm wondering why
the BBB is shipped with the device nodes in /dev for LEDs, and any other 
i/o stuff, set to be owned and
writable only by root.  It seems to me that it would be nicer if there was 
a unix group that had write permission
to the device nodes and a udev rule that set up the devices to have write 
permission by that group.  Different
devices could have different groups if you want to keep things narrowed 
down.

http://www.linux.com/news/hardware/peripherals/180950-udev

Then just add your account and any others to that group that need write 
access.  (And read access as
well for the devices that are readable.)


On Friday, February 7, 2014 1:28:22 PM UTC-8, Jake Swensen wrote:

 OS Image: Ubuntu Precise 12.04.3 LTS

 I'm attempting to control LEDs from a webpage (and eventually other 
 hardware from the device tree overlay).  I've written a C program to toggle 
 the onboard LED based on the arguments passed to it. This only works if you 
 run it as root however.  I've also installed lighttpd and have a php page 
 running with a link to toggle the LED based on button press.  To work 
 around running as root, I added a setuid(0) to the C program and changed 
 the ownership of the gcc output binary to root, then made the binary 
 readable and executable by any user.  The result is that the php page can 
 control the LED, but I'm uncertain of how safe this set up is.

 Is there a better (safer) way for me to be controlling hardware from a 
 webpage with C?  If not, what are my other options?

 Let me know if I can provide you with any additional details.

 Thanks,
 Jake


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Re: [beagleboard] Re: Control hardware from webserver

2014-02-11 Thread Robert Nelson
On Tue, Feb 11, 2014 at 12:34 PM, Rusty Wright rusty.wri...@gmail.comwrote:

 Having to be root to diddle with the i/o pins seems questionable to me
 from a unix security standpoint.

 Repeating my response to a similar question:

 This is perhaps a more long-winded reply than you might want but in the
 general case I'm wondering why
 the BBB is shipped with the device nodes in /dev for LEDs, and any other
 i/o stuff, set to be owned and
 writable only by root.


Well, all it takes is a patch today and this will be fixed in the next
release.

You can see a udev rule we setup for spidev here:
https://github.com/beagleboard/image-builder/blob/master/scripts/chroot.sh#L492

So give me a one line patch for the led's and i'll add it..

Regards,

-- 
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http://www.rcn-ee.com/

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Re: [beagleboard] Xenomai master - BBB RCNelson 3.13-bone5 kernel patches

2014-02-11 Thread John Syn

From:  Robert Nelson robertcnel...@gmail.com
Reply-To:  beagleboard@googlegroups.com
Date:  Tuesday, February 11, 2014 at 6:26 AM
To:  Beagle Board beagleboard@googlegroups.com
Subject:  Re: [beagleboard] Xenomai master - BBB RCNelson 3.13-bone5 kernel
patches

 
 
 
 On Tue, Feb 11, 2014 at 8:12 AM, David Lewin dlewin...@gmail.com wrote:
 This doens't work neither :
 * git clone https://github.com/cdsteinkuehler/linux-dev
 * 
 * git checkout --track -b 3.8.13-bone39-xenomai
 git status : 
 # On branch 3.8.13-bone39-xenomai
 nothing to commit (working directory clean)
 
 * ./build_kernel.sh :
 generates a  3.11.0-rc1-armv7-d1.zImage
 
 Lets... see..
 
 https://github.com/cdsteinkuehler/linux-dev/blob/3.8.13-bone39-xenomai/version
 .sh#L32
 
 branch/tag: 3.8.13-bone39-xenomai
 build: BUILD=bone39
 
 Just checkout the branch like a normal user.
 
 * git clone https://github.com/cdsteinkuehler/linux-dev
 * git checkout origin/3.8.13-bone39-xenomai -b some_local_temp_branch_name
Hi Robert,

This would be the easiest solution, but Charles doesn¹t always keep up to
date with your latest patches. Last I checked, Charles was still at bone36
when you were at bone41. The way I do this is to checkout both your
linux-dev and Charles linux-dev and then use BeyondCompare to update your
repo with the xenomai changes from Charles repo. I only have to do this once
and thereafter, I simply pull from your updates and I get the latest
updates. 

I understand that I should be able to track both repos using GIT, and get
updates from both, but I don¹t know how to do this.

Regards,
John 
 
 Regards,
 
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Re: [beagleboard] BBB as network sniffer

2014-02-11 Thread Don deJuan
On 02/11/2014 05:23 AM, Milan wrote:
 Hi,

 I've found that AM335x processors did't implement promiscuous mode
 for eth0 ethernet driver TI CPSW and the message which kernel throws
 is Promiscuous mode ignored!. Also, if i run tcpdump (on usb0 port)
 which is usb client on BBB, devices can enter in promisc mode.

 Maybe somebody had any experience with USB-to-RJ45 adapters, which
 could be connected to usb host port on BBB and utilize it as network
 sniffer port?


 br
 Milan
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I can bring up the Ethernet adapter in promisc mode just fine. Though I
do not use Ubuntu or Debian..

Should be as simple as

ip link set dev eth0 promisc on

Or the equivilent for your OS. If you're on systemd you can easily set
it to do this at boot with
ExecStart=/usr/bin/ip link set dev %i promisc on

this brings you from output like this.. snipped
eth0: BROADCAST,MULTICAST,UP,LOWER_UP mtu 1500 qdisc pfifo_fast

to this with it on.. snipped
eth0: BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP mtu 1500 qdisc pfif


Have no issues with Kernel or anything. Tested on 3.8.13 and 3.12.8 with
Arch

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[beagleboard] Understanding i2c on BBB: a different approach : help needed

2014-02-11 Thread Ritu Sharma
Hi All,

I'm an experienced rtos driver developer but new to linux i2c subsystem :)

For quite some time I was trying to learn i2c subsystem by looking at 
sources... but may be its way too much for me to understand the 
terminologies : bus driver/adapters/clients... I keep confusing between 
them... which is i2c controller driver out of them... what are adapters 
so on and so forth.

I decided to work on it practically and understand it completely for once 
and all ofcourse with community support.
Below is the plan I have for this:

1. remove i2c support from BBB kernel sources
2. add one by one after understanding what is being added
3. final aim is to make one RTC and eeprom over i2c to work with BBB

For step 1, I would be grateful if some one could tells us what files I 
need to remove and what those files do an outline.

I think this sort of understanding many newbies in kernel would like to 
have. I call upon them to add on this thread with related info.

Cheers
Ritu  

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[beagleboard] Re: Availability - how come nobody has any BeagleBone Black to sell?

2014-02-11 Thread areski . alibacha


Le mardi 7 janvier 2014 02:45:51 UTC+1, Paul Wright a écrit :

 I was just curious why none of my usual distributors have any BeagleBone 
 Black boards in stock and most are reporting lead times that are beyond 
 belief.  Has there been some supply chain disturbance I have missed?  
 Shortage of a key component?

 Just seems strange...

 I'm evaluating a potential use but if there are going to be supply issues 
 going forward, that is a concern.

 Does anyone have any information they can offer?

 Regards,

 paul





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[beagleboard] Re: Availability - how come nobody has any BeagleBone Black to sell?

2014-02-11 Thread areski . alibacha


 Hello Mister COLEY,

 Why don't you think sell BeagleBone Black to profesionnal customers too? 
 It seems there is a market.
 I think there are companies with small knowledge in embedded systems, 
 which want to add connectivity and BBB features on their systems with small 
 development phase and cost.

 Sorry for my English, I'm French :-)


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[beagleboard] Re: Availability - how come nobody has any BeagleBone Black to sell?

2014-02-11 Thread areski . alibacha
Hello Mister COLEY,

Why don't you think sell BeagleBone Black to profesionnal customers too? It 
seems there is a market.
I think there are companies with small knowledge in embedded systems, which 
want to add connectivity and BBB features on their systems with small 
development phase and cost.

Sorry for my English, I'm French :-)

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[beagleboard] Re: Availability - how come nobody has any BeagleBone Black to sell?

2014-02-11 Thread areski . alibacha


 Hello Mister COLEY,

 Why don't you think sell BeagleBone Black to profesionnal customers too? 
 It seems there is a market.
 I think there are companies with small knowledge in embedded systems, 
 which want to add connectivity and BBB features on their systems with small 
 development phase and cost.

 Sorry for my English, I'm French :-)


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Re: [beagleboard] Re: Availability - how come nobody has any BeagleBone Black to sell?

2014-02-11 Thread Gerald Coley
We are focused on the community. Fell free to build it yourself however.
All the materials to build it are provided for free and you don't have to
pay any development costs.


Gerald



On Tue, Feb 11, 2014 at 11:54 AM, areski.aliba...@gmail.com wrote:

 Hello Mister COLEY,

 Why don't you think sell BeagleBone Black to profesionnal customers too?
 It seems there is a market.
 I think there are companies with small knowledge in embedded systems,
 which want to add connectivity and BBB features on their systems with small
 development phase and cost.

 Sorry for my English, I'm French :-)

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Re: [beagleboard] Re: Availability - how come nobody has any BeagleBone Black to sell?

2014-02-11 Thread Gerald Coley
We are focused on the community. Feel free to build it yourself however.
All the materials to build it are provided for free and you don't have to
pay any development costs.


Gerald


On Tue, Feb 11, 2014 at 1:54 PM, Gerald Coley ger...@beagleboard.orgwrote:

 We are focused on the community. Fell free to build it yourself however.
 All the materials to build it are provided for free and you don't have to
 pay any development costs.


 Gerald



 On Tue, Feb 11, 2014 at 11:54 AM, areski.aliba...@gmail.com wrote:

 Hello Mister COLEY,

 Why don't you think sell BeagleBone Black to profesionnal customers too?
 It seems there is a market.
 I think there are companies with small knowledge in embedded systems,
 which want to add connectivity and BBB features on their systems with small
 development phase and cost.

 Sorry for my English, I'm French :-)

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[beagleboard] Re: BBB with ROS Training Class February 15th -- Mountain View, CA

2014-02-11 Thread Venkat Bommakanti
Hi Greg,

What are the pre-requisites to attend this course ?

thanks,
/venkat

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[beagleboard] Build server

2014-02-11 Thread Carl-Fredrik Sundström


If I want to build a armhf based debian image that is custom to flash onto 
the beaglebone black without cross compiling. 

What is the best h/w to do that ? 
What is the fastest h/w that I can get for the compilation ? 
Is it the panda2 or could I use for example an odroid-u3 ? 
Would the fpu be compatible using an arm from samsung?

What are you guys that are compiling all of these images using ? Its not 
done on the beagle bone itself I assume ?
Maybe you are cross compiling from intel machine ?

Carl 

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Re: [beagleboard] Build server

2014-02-11 Thread Don deJuan
On 02/11/2014 12:14 PM, Carl-Fredrik Sundström wrote:


 If I want to build a armhf based debian image that is custom to flash
 onto the beaglebone black without cross compiling. 

 What is the best h/w to do that ? 
 What is the fastest h/w that I can get for the compilation ? 
 Is it the panda2 or could I use for example an odroid-u3 ? 
 Would the fpu be compatible using an arm from samsung?

 What are you guys that are compiling all of these images using ? Its
 not done on the beagle bone itself I assume ?
 Maybe you are cross compiling from intel machine ?

 Carl 
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If you want to do hardware compiling instead of cross you should look
into Distcc

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Re: [beagleboard] Build server

2014-02-11 Thread Robert Nelson
On Tue, Feb 11, 2014 at 2:14 PM, Carl-Fredrik Sundström
audio...@gmail.comwrote:



 If I want to build a armhf based debian image that is custom to flash onto
 the beaglebone black without cross compiling.

 What is the best h/w to do that ?
 What is the fastest h/w that I can get for the compilation?


Well... best/fastest is all relative, what is your hobby hardware
budget?


 Is it the panda2 or could I use for example an odroid-u3 ?
 Would the fpu be compatible using an arm from samsung?


Personally, i'd stay away from Samsung hardware until they address their
lack of mainline support. Otherwise that hardward ends up in the
unused/brick pile..



 What are you guys that are compiling all of these images using ? Its not
 done on the beagle bone itself I assume ?
 Maybe you are cross compiling from intel machine ?


Now-days it's pretty easy to get a cheap multi-core arm with on-board sata
and lots of ram, where native compiling is relatively fast.

Regards,

-- 
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http://www.rcn-ee.com/

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[beagleboard] Re: Build server

2014-02-11 Thread Carl-Fredrik Sundström

I could see myself spending ~ $500 but the budget is flexible.

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Re: [beagleboard] Control hardware from webserver

2014-02-11 Thread Jake Swensen
I'm new to web applications as well, hence the question.  Clarification 
question: When using the web sockets protocol, the client and server are 
running on two different pieces of hardware, correct?  If so, that's great, 
because this is the general direction I am heading in with this exercise, 
however (and I should have been clear on this) my current situation is that 
I am hosting the php page on the bbb in the /home/ubuntu/public_html folder 
with the binary executable in that folder as well.  In this case, would it 
be best to do what Rusty suggested and create a group with write 
permissions to the device nodes and a udev rule that set up the devices to 
have write permission by that group?

I would like to explore both options.  After a quick Google search on web 
sockets, I came across libwebsockets.  Would this project implement the web 
socket protocol you mentioned?

Any suggested reading material (even if I need to buy it) would also be 
appreciated. 

Thanks again!
Jake

On Tuesday, February 11, 2014 4:16:47 AM UTC-6, Jack Mitchell wrote:

 On 10/02/14 21:34, William Hermans wrote: 
  Jack, 
  
  Ok perhaps I am missing something, and I by no means mean to be 
  adversarial here. I am just curious, so If i  am missing something 
  please feel free to enlighten me. 
  
  What is the difference between using setuid(0) and having a web socks 
  app running the app ? 

 The web socket doesn't run the app, the app is always running, probably 
 started as a daemon from the init system, and accepts messages from the 
 web socket. Therefore there is no direct execution of a setuid binary 
 from the web interface. 

  Here is my thinking. If you write the app/service 
  correctly, all anyone is going to be able to do is switch on / off an 
  LED. Yes, perhaps you do not want *EVERYONE* doing this, but how will 
  this solution solve that specific problem ? Unless I am missing 
  something . . . nothing can, short of having a user login screen for the 
  web interface. 

 The issue isn't really with _who_ turns the LED on and off, that is a 
 application specific decision. The issue is with the ability to control 
 and execute a setuid binary from a possibly insecure, maybe even on the 
 open web application. 

 Cheers, 

 -- 
   Jack Mitchell (ja...@embed.me.uk javascript:) 
   Embedded Systems Engineer 
   Cambridgeshire, UK 
   http://www.embed.me.uk 
 -- 


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Re: [beagleboard] Re: Control hardware from webserver

2014-02-11 Thread Rusty Wright
Can someone who uses the LEDs provide the patch?  I don't do any of this 
hardware diddling; I'm just trying to make
a bread and butter unix server.

On Tuesday, February 11, 2014 10:39:31 AM UTC-8, RobertCNelson wrote:




 On Tue, Feb 11, 2014 at 12:34 PM, Rusty Wright 
 rusty@gmail.comjavascript:
  wrote:

 Having to be root to diddle with the i/o pins seems questionable to me 
 from a unix security standpoint.

 Repeating my response to a similar question:

 This is perhaps a more long-winded reply than you might want but in the 
 general case I'm wondering why
 the BBB is shipped with the device nodes in /dev for LEDs, and any other 
 i/o stuff, set to be owned and
 writable only by root.


 Well, all it takes is a patch today and this will be fixed in the next 
 release.

 You can see a udev rule we setup for spidev here:

 https://github.com/beagleboard/image-builder/blob/master/scripts/chroot.sh#L492

 So give me a one line patch for the led's and i'll add it..

 Regards,

 -- 
 Robert Nelson
 http://www.rcn-ee.com/ 


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[beagleboard] Re: microSD card reader snapped off one side, bad solder joints?

2014-02-11 Thread Tony DiCola
The card was just being inserted like normal--no excessive force.  Like I 
said even before it broke the SD reader wasn't working.  When I held the 
boot button down and applied power the Beaglebone never flashed any lights 
to show it go through booting (even after waiting 10+ seconds with the 
button held down).  After fixing the solder joints on the SD reader the 
exact same SD card booted up just fine on the first try.  Clearly there was 
something wrong with the joint before it broke.

Also for what it's worth I'm noticing wonkiness with the USB connector 
which is near the SD card reader.  When I plug devices like mice, etc. in 
and run lsusb I don't see any new USB devices.  Going to try testing the 
USB connections with a multimeter to see if they're all connected.

On Tuesday, February 11, 2014 12:39:00 PM UTC-8, rh_ wrote:

 On Tue, 11 Feb 2014 08:17:07 -0600 
 Gerald Coley ger...@beagleboard.org javascript: wrote: 

  Takes a lot of force to rip a connector out of a solder pool that 
  deep. 

 Yeah, was thinking that myself, that looks like someone doesn't know 
 how to use SD card slots. If you're applying that much force to rip that 
 out and continue to apply the force then you need to understand that 
 forcing anything mechanical almost always leads to breakage. 



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[beagleboard] Re: Build server

2014-02-11 Thread Carl-Fredrik Sundström


Would this be a good option ?

http://utilite-computer.com/web/utilite-pro-specifications

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Re: [beagleboard] Re: Build server

2014-02-11 Thread Robert Nelson
On Tue, Feb 11, 2014 at 2:39 PM, Carl-Fredrik Sundström
audio...@gmail.comwrote:


 I could see myself spending ~ $500 but the budget is flexible.


Ah, then the fancy exotic arm server hardware is out of the question.. ;)

Take a look at these.. (i'm personally migrating from my quad core a9's to
the ti dual a15's..)

Cortex-A15:
OMAP5432 EVM, Dual Core A15 1.5Ghz, 2GB ram, sata (this is what the
PandaBoard 2 would have been, before it got canned)

Cortex-A9:
Many (wand/boundary/i-cube/utilte/etc) i.mx6 based Quad Core A9, 1.2GHz,
2GB ram, sata..

Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/

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Re: [beagleboard] Re: Build server

2014-02-11 Thread Robert Nelson
On Tue, Feb 11, 2014 at 3:01 PM, Carl-Fredrik Sundström
audio...@gmail.comwrote:



 Would this be a good option ?

 http://utilite-computer.com/web/utilite-pro-specifications


That one is under my desk at work.. The onboard 32gb ssd is a little
limited.. It does get warm, no good way to cool it at work, like my arm
farm at home..

Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/

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Re: [beagleboard] Re: Build server

2014-02-11 Thread Don deJuan
On 02/11/2014 01:02 PM, Robert Nelson wrote:



 On Tue, Feb 11, 2014 at 2:39 PM, Carl-Fredrik Sundström
 audio...@gmail.com mailto:audio...@gmail.com wrote:


 I could see myself spending ~ $500 but the budget is flexible.


 Ah, then the fancy exotic arm server hardware is out of the question.. ;)

 Take a look at these.. (i'm personally migrating from my quad core
 a9's to the ti dual a15's..)

 Cortex-A15:
 OMAP5432 EVM, Dual Core A15 1.5Ghz, 2GB ram, sata (this is what the
 PandaBoard 2 would have been, before it got canned)

 Cortex-A9:
 Many (wand/boundary/i-cube/utilte/etc) i.mx6 based Quad Core A9,
 1.2GHz, 2GB ram, sata..

 Regards,

 -- 
 Robert Nelson
 http://www.rcn-ee.com/
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Why not something like the ODroid-XU then? You get Big Little with it as
well and the same/similar specs sata connections and all

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Re: [beagleboard] Re: Build server

2014-02-11 Thread Robert Nelson

 Why not something like the ODroid-XU then? You get Big Little with it as
 well and the same/similar specs sata connections and all


I explained this previously, so here something deeper... Unless it works
perfectly out of the box, that hardware is going to be hard to work with
due to lack of focus on a mainline kernels by both the manufacture of that
board and the silicon vendor.

So if you want to throw money away, go for it..

Regards,

-- 
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http://www.rcn-ee.com/

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Re: [beagleboard] Re: Build server

2014-02-11 Thread Don deJuan
On 02/11/2014 01:16 PM, Robert Nelson wrote:

 Why not something like the ODroid-XU then? You get Big Little with
 it as well and the same/similar specs sata connections and all


 I explained this previously, so here something deeper... Unless it
 works perfectly out of the box, that hardware is going to be hard to
 work with due to lack of focus on a mainline kernels by both the
 manufacture of that board and the silicon vendor.

 So if you want to throw money away, go for it..

 Regards,

 -- 
 Robert Nelson
 http://www.rcn-ee.com/
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Hmm thanks for that info.

Have not run into any issues with mine running Arch. While there is no
version of you for the ODroid not sure I would agree its just wasting
money.

Have mine in a mixed ARM farm distributed build system, guess I should
keep a closer eye on them to see if there is stuff I have missed.

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[beagleboard] Re: microSD card reader snapped off one side, bad solder joints?

2014-02-11 Thread Tony DiCola
Looks like the USB issue is just this software 
problem: https://groups.google.com/forum/#!topic/beagleboard/uWMNdBv_aPg 
 Booting up with the device in the USB host port seemed to work.  Yikes, 
that's really a nasty bug that hotplug doesn't work.

On Tuesday, February 11, 2014 12:59:52 PM UTC-8, Tony DiCola wrote:

 The card was just being inserted like normal--no excessive force.  Like I 
 said even before it broke the SD reader wasn't working.  When I held the 
 boot button down and applied power the Beaglebone never flashed any lights 
 to show it go through booting (even after waiting 10+ seconds with the 
 button held down).  After fixing the solder joints on the SD reader the 
 exact same SD card booted up just fine on the first try.  Clearly there was 
 something wrong with the joint before it broke.

 Also for what it's worth I'm noticing wonkiness with the USB connector 
 which is near the SD card reader.  When I plug devices like mice, etc. in 
 and run lsusb I don't see any new USB devices.  Going to try testing the 
 USB connections with a multimeter to see if they're all connected.

 On Tuesday, February 11, 2014 12:39:00 PM UTC-8, rh_ wrote:

 On Tue, 11 Feb 2014 08:17:07 -0600 
 Gerald Coley ger...@beagleboard.org wrote: 

  Takes a lot of force to rip a connector out of a solder pool that 
  deep. 

 Yeah, was thinking that myself, that looks like someone doesn't know 
 how to use SD card slots. If you're applying that much force to rip that 
 out and continue to apply the force then you need to understand that 
 forcing anything mechanical almost always leads to breakage. 



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Re: [beagleboard] Re: microSD card reader snapped off one side, bad solder joints?

2014-02-11 Thread Gerald Coley
Yes, the issue is not that USB connector. Hot plug has been
talked about for a very long time. If adding an extra drop solder would fix
that, I would certainly make that happen.

Gerald



On Tue, Feb 11, 2014 at 3:23 PM, Tony DiCola t...@tonydicola.com wrote:

 Looks like the USB issue is just this software problem:
 https://groups.google.com/forum/#!topic/beagleboard/uWMNdBv_aPg  Booting
 up with the device in the USB host port seemed to work.  Yikes, that's
 really a nasty bug that hotplug doesn't work.


 On Tuesday, February 11, 2014 12:59:52 PM UTC-8, Tony DiCola wrote:

 The card was just being inserted like normal--no excessive force.  Like I
 said even before it broke the SD reader wasn't working.  When I held the
 boot button down and applied power the Beaglebone never flashed any lights
 to show it go through booting (even after waiting 10+ seconds with the
 button held down).  After fixing the solder joints on the SD reader the
 exact same SD card booted up just fine on the first try.  Clearly there was
 something wrong with the joint before it broke.

 Also for what it's worth I'm noticing wonkiness with the USB connector
 which is near the SD card reader.  When I plug devices like mice, etc. in
 and run lsusb I don't see any new USB devices.  Going to try testing the
 USB connections with a multimeter to see if they're all connected.

 On Tuesday, February 11, 2014 12:39:00 PM UTC-8, rh_ wrote:

 On Tue, 11 Feb 2014 08:17:07 -0600
 Gerald Coley ger...@beagleboard.org wrote:

  Takes a lot of force to rip a connector out of a solder pool that
  deep.

 Yeah, was thinking that myself, that looks like someone doesn't know
 how to use SD card slots. If you're applying that much force to rip that
 out and continue to apply the force then you need to understand that
 forcing anything mechanical almost always leads to breakage.

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Re: [beagleboard] Re: Build server

2014-02-11 Thread Robert Nelson


 Hmm thanks for that info.

 Have not run into any issues with mine running Arch. While there is no
 version of you for the ODroid not sure I would agree its just wasting
 money.


I have every variant hardkernel has made in a box, the best supported on
mainline is the exynos4412 odroid-x, but it only has mmc/usb..



 Have mine in a mixed ARM farm distributed build system, guess I should
 keep a closer eye on them to see if there is stuff I have missed.


Regards,

-- 
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http://www.rcn-ee.com/

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[beagleboard] Re: Account privileges

2014-02-11 Thread Jake Swensen
Are you using the stock user account 'ubuntu' or did you create your own? 
 If you are using the 'ubuntu' account, sudo ./helloWorld should work as 
long as you are in the directory helloWorld is in.  If it doesn't, you may 
have typed something wrong in your code and we would need to look at it. 
 If you created your own account, can you sudo anything?  Make sure the 
account is a part of the group 'sudo' by typing 'groups' in the terminal. 
 If not, add it with the command (run from root or sudoer account) 'usermod 
-a -G sudo username'

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[beagleboard] Re: Empty files in FAT partition (2013.09.04 image)

2014-02-11 Thread helio . rios . 91
I just got my  brand new BBB. first thing i do is plugged to my computer 
and  im seeing exactly the same empty files. Im guessing this is not normal 
since 
according to the initial set up we need to click on the START.htm to 
install drivers. any help?

On Monday, September 23, 2013 11:31:25 AM UTC-5, Chris Ross wrote:

 So, after reflashing my BBB using instructions on the wiki's Updating The 
 Software 
 pagehttp://circuitco.com/support/index.php?title=Updating_The_Software, 
 I found that the FAT partition on the BBB has many empty files in it.  The 
 directory structure seems to be correct, and have all of the entries, but 
 many of the files are 0-bytes, both as exported as a USB flash drive, and 
 when viewed from the Angstrom on the BBB itself.

 Has anyone else seen this issue?

 drwxrwxrwx  1 cross  512 Mar 18  2013 App
 drwxrwxrwx  1 cross 2048 Mar 18  2013 Docs
 drwxrwxrwx  1 cross  512 Mar 18  2013 Drivers
 -rwxrwxrwx  1 cross0 Mar 18  2013 ID.txt
 -rwxrwxrwx  1 cross0 Mar 18  2013 LICENSE.txt
 -rwxrwxrwx  1 cross99976 Mar 18  2013 MLO
 -rwxrwxrwx  1 cross0 Mar 18  2013 README.md
 -rwxrwxrwx  1 cross0 Mar 18  2013 START.htm
 -rwxrwxrwx  1 cross0 Mar 18  2013 autorun.inf
 -rwxrwxrwx  1 cross   379428 Mar 18  2013 u-boot.img
 -rwxrwxrwx  1 cross   26 Mar 18  2013 uEnv.txt




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Re: [beagleboard] Re: Empty files in FAT partition (2013.09.04 image)

2014-02-11 Thread Robert Nelson
On Tue, Feb 11, 2014 at 3:21 PM, helio.rios...@gmail.com wrote:

 I just got my  brand new BBB. first thing i do is plugged to my computer
 and  im seeing exactly the same empty files. Im guessing this is not normal
 since
 according to the initial set up we need to click on the START.htm to
 install drivers. any help?


well the drivers are also available from

https://github.com/beagleboard/beaglebone-getting-started/tree/master/Drivers

Regards,

-- 
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http://www.rcn-ee.com/

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Re: [beagleboard] Re: Empty files in FAT partition (2013.09.04 image)

2014-02-11 Thread Gerald Coley
This seems to happen every now and then due to a flaky flasher. I suggest
that you reflash the image. It should take care of the issue.

http://www.elinux.org/Beagleboard:Updating_The_Software

Gerald



On Tue, Feb 11, 2014 at 3:21 PM, helio.rios...@gmail.com wrote:

 I just got my  brand new BBB. first thing i do is plugged to my computer
 and  im seeing exactly the same empty files. Im guessing this is not normal
 since
 according to the initial set up we need to click on the START.htm to
 install drivers. any help?


 On Monday, September 23, 2013 11:31:25 AM UTC-5, Chris Ross wrote:

 So, after reflashing my BBB using instructions on the wiki's Updating
 The Software 
 pagehttp://circuitco.com/support/index.php?title=Updating_The_Software,
 I found that the FAT partition on the BBB has many empty files in it.  The
 directory structure seems to be correct, and have all of the entries, but
 many of the files are 0-bytes, both as exported as a USB flash drive, and
 when viewed from the Angstrom on the BBB itself.

 Has anyone else seen this issue?

 drwxrwxrwx  1 cross  512 Mar 18  2013 App
 drwxrwxrwx  1 cross 2048 Mar 18  2013 Docs
 drwxrwxrwx  1 cross  512 Mar 18  2013 Drivers
 -rwxrwxrwx  1 cross0 Mar 18  2013 ID.txt
 -rwxrwxrwx  1 cross0 Mar 18  2013 LICENSE.txt
 -rwxrwxrwx  1 cross99976 Mar 18  2013 MLO
 -rwxrwxrwx  1 cross0 Mar 18  2013 README.md
 -rwxrwxrwx  1 cross0 Mar 18  2013 START.htm
 -rwxrwxrwx  1 cross0 Mar 18  2013 autorun.inf
 -rwxrwxrwx  1 cross   379428 Mar 18  2013 u-boot.img
 -rwxrwxrwx  1 cross   26 Mar 18  2013 uEnv.txt


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Re: [beagleboard] Re: Account privileges

2014-02-11 Thread Don deJuan
On 02/11/2014 01:35 PM, Jake Swensen wrote:
 Are you using the stock user account 'ubuntu' or did you create your
 own?  If you are using the 'ubuntu' account, sudo ./helloWorld should
 work as long as you are in the directory helloWorld is in.  If it
 doesn't, you may have typed something wrong in your code and we would
 need to look at it.  If you created your own account, can you sudo
 anything?  Make sure the account is a part of the group 'sudo' by
 typing 'groups' in the terminal.  If not, add it with the command (run
 from root or sudoer account) 'usermod -a -G sudo username'
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visudo should be used to edit the sudoers file.

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Re: [beagleboard] Re: Account privileges

2014-02-11 Thread Jake Swensen


 visudo should be used to edit the sudoers file. 


Correct, it can be used, but I thought usermod (existing user) or adduser 
(new user) was also an acceptable method to add a user to the 'sudo' group. 
 
Sourcehttps://help.ubuntu.com/community/RootSudo#Allowing_other_users_to_run_sudo,
 
Source2http://askubuntu.com/questions/7477/how-can-i-add-a-new-user-as-sudoer-using-the-command-line.
 
 Is it not?

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[beagleboard] Re: chipsee beaglebone lcd/dvi expansion kernel support

2014-02-11 Thread Jaymes Berkly
No you have to install your own. If you are looking for a desktop 
environment you have to install that yourself as well. I tried LXDE and 
everything worked, including the touch input.

On Monday, February 10, 2014 10:39:43 PM UTC-5, cybe...@gmail.com wrote:

 OK, so I get to the login and can get past that to command line.

 The only thing I see to run on this image is ./OGLES2Water

 Should there be an X server or something?


 On Thursday, January 30, 2014 3:43:47 AM UTC-6, xris@googlemail.comwrote:

 The previous file share expired. File can now be found at:

 http://www.fileswap.com/dl/pxPvW1nVwM/


 On Monday, January 27, 2014 10:28:06 PM UTC+1, crystal@gmail.comwrote:

 Excellent.  thanks.

 I'll give it a whirl tonight.

 On Thursday, January 23, 2014 12:12:25 PM UTC-6, 
 xris@googlemail.comwrote:

 Hey guys,

 As promised. Ubuntu 12.04 BBB image for the Chipsee 7” 1024x600 LCD 
 touchscreen.

 Grab it here:
 http://www.fileswap.com/dl/sdFGPZoIw6/

 You should find yourself downloading 
 bbb-ubuntu-12.04-for-community.xzhttp://www.fileswap.com/dl/sdFGPZoIw6/bbb-ubuntu-12.04-for-community.xz.html

 Just extract and write that to your SD card (4gb expected) with 
 something like:

 *cat bbb-ubuntu-12.04-for-community.xz | xz -d  /dev/sdX*

 Note it’s a raw sector dump NOT a tarball, so extract straight to your 
 SD card device. (eg.  /dev/sdx, NOT /dev/sdx1) 

 Also note this image doesn’t install or boot from MMC so make sure 
 you’ve got the SD card selected on the boot switch thing.

 Once the extract is complete, simply slap it into the BBB and boot.  It 
 should come up with the Chipsee splash screen but then
 boot into Ubuntu 12.04 after a while. 

 Hope this helps.

 l8r,
 Xris.



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Re: [beagleboard] Re: debian: test images (2014-01-10)

2014-02-11 Thread daworm
On Tuesday, February 11, 2014 9:35:48 AM UTC-5, RobertCNelson wrote:

 The root password is blank, the default user's debian password is 
 temppwd this should be detailed on the serial prompt login.

 For some reason, when I tried that on the terminal (via keyboard on the 
board itself) it kept asking for password, but I tried via SSH and it 
worked.
 

 Please retry with last week's image, there was a few xinput fixes pulled 
 in..


Will try this tomorrow.  We're likely to have a snow day tomorrow and I'll 
be at loose ends at home.
 

 Is there a place I can learn more about this?


 ./setup_sdcard.sh --help

 More docs here:
 http://elinux.org/BeagleBoardDebian#Debian_Stable_.28wheezy.29
  


Will also give this a go tomorrow as well.
 
 Jeff.

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[beagleboard] BeagleBone Black getting started on OpenCV

2014-02-11 Thread Jonathan Potes
Hi, My name is Jonathan Potes.

In this link http://beagleboneblack-opencv.blogspot.com/, I am going to 
explain about  installing OpenCV on BeagleBone Black. I am going to  show 
basic projects and examples about Image processing in OpenCV running on BBB.

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Re: [beagleboard] Not Impressed - Network Issues

2014-02-11 Thread Scott Macri
Lets try this again --
http://article.gmane.org/gmane.comp.hardware.beagleboard.user/27473/match=beaglebone+rev+a4+ethernet+issue



No luck with this.


On Sat, Feb 8, 2014 at 9:16 AM, Scott Force scooby.fo...@gmail.com wrote:

 Lets try this again --
 http://article.gmane.org/gmane.comp.hardware.beagleboard.user/27473/match=beaglebone+rev+a4+ethernet+issue



 On 7 February 2014 17:05, Scott Macri scottma...@gmail.com wrote:

 Scott,

 That link gives me a missing article error.


 On Fri, Feb 7, 2014 at 9:14 AM, Scott Force scooby.fo...@gmail.comwrote:

 This sounds like an issue that some other people are having. Take a look
 at the postings with a subject of BeagleBone Rev. A4 ethernet 
 issuehttp://news.gmane.org/find-root.php?message_id=e55f5117%2de59e%2d4d4e%2d9673%2d5d416bc6a1c4%5f%5f32795.836984%241327625928%24gmane%24org%40c6g2000vbk.googlegroups.com
 



 On Friday, 7 February 2014 08:55:53 UTC-5, sels...@gmail.com wrote:

 On 07/02/14 02:51, hacktorious wrote:

  Why on earth is my BBB obtaining an ip from an external source when
  connected via eth0???

 It's not. It's providing it's own address. You likely want it to get an
 address from an external source - the DHCP server on your router..

  Internally dhcp is distributing 192.168 something, but the BBB is
 getting
  169. something.  I'm not able to get internet access from the BBB,
 but if I
  visit the ip address I can see my BBB's website WTF?
  This is
  total insanity!!!

 169.254.x.x are IPv4 link-local autoconfigured addresses. i.e. the BBB
 didn't get a DHCP response and picked a random 169.254.x.x address
 itself
 instead.
 It should still broadcast for DHCP, so if your DHCP server ever starts
 handing out addresses it should pick one up and start working.

 See http://tools.ietf.org/html/rfc3927 for an explanation of IPv4 link
 local
 addresses.


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Re: [beagleboard] Re: Build server

2014-02-11 Thread liyaoshi
Ti omap5 GLSDK will merge to wayland (how to support in ubuntu ?)

I serch the kernel and Reference manual . not found how they support audio
over hdmi .

iMX6 gpu driver from vivante  always sux,and no dma support in current
kernel and feature kernel 3.10.17 in spi/i2c

Samsung 4412 have a huge bug on eMMC will cause brick (see 9300 brick) ,Do
some one here have samsung bootloader code ?

Allwinner  A31s  have Cortex A7 with 4cores @1G  mali400mp and with 1G ram
7inch 1280x800 8G eMMC only for 400RMB ,about 70 US$





2014-02-12 9:28 GMT+08:00 Sid Boyce sbo...@blueyonder.co.uk:

  Hi Robert,
 That's news to me as the ODROID-X has hardkernel specific extensions and I
 have never found a mainline kernel that will boot on it.
 Regards
 Sid.


 On 11/02/14 21:25, Robert Nelson wrote:


 Hmm thanks for that info.

 Have not run into any issues with mine running Arch. While there is no
 version of you for the ODroid not sure I would agree its just wasting
 money.


  I have every variant hardkernel has made in a box, the best supported on
 mainline is the exynos4412 odroid-x, but it only has mmc/usb..



  Have mine in a mixed ARM farm distributed build system, guess I should
 keep a closer eye on them to see if there is stuff I have missed.


  Regards,

  --
 Robert Nelson
 http://www.rcn-ee.com/
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 --
 Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
 Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
 Senior Staff Specialist, Cricket Coach
 Microsoft Windows Free Zone - Linux used for all Computing Tasks

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Re: [beagleboard] Not Impressed - Network Issues

2014-02-11 Thread Scott Macri
This doesn't look good:

ifup eth0
ifup: can't open '/etc/network/interfaces': No such file or directory


On Tue, Feb 11, 2014 at 9:13 PM, Scott Macri scottma...@gmail.com wrote:

 Lets try this again --
 http://article.gmane.org/gmane.comp.hardware.beagleboard.user/27473/match=beaglebone+rev+a4+ethernet+issue
 


 No luck with this.



 On Sat, Feb 8, 2014 at 9:16 AM, Scott Force scooby.fo...@gmail.comwrote:

 Lets try this again --
 http://article.gmane.org/gmane.comp.hardware.beagleboard.user/27473/match=beaglebone+rev+a4+ethernet+issue



 On 7 February 2014 17:05, Scott Macri scottma...@gmail.com wrote:

 Scott,

 That link gives me a missing article error.


 On Fri, Feb 7, 2014 at 9:14 AM, Scott Force scooby.fo...@gmail.comwrote:

 This sounds like an issue that some other people are having. Take a
 look at the postings with a subject of BeagleBone Rev. A4 ethernet
 issuehttp://news.gmane.org/find-root.php?message_id=e55f5117%2de59e%2d4d4e%2d9673%2d5d416bc6a1c4%5f%5f32795.836984%241327625928%24gmane%24org%40c6g2000vbk.googlegroups.com
 



 On Friday, 7 February 2014 08:55:53 UTC-5, sels...@gmail.com wrote:

 On 07/02/14 02:51, hacktorious wrote:

  Why on earth is my BBB obtaining an ip from an external source when
  connected via eth0???

 It's not. It's providing it's own address. You likely want it to get
 an
 address from an external source - the DHCP server on your router..

  Internally dhcp is distributing 192.168 something, but the BBB is
 getting
  169. something.  I'm not able to get internet access from the BBB,
 but if I
  visit the ip address I can see my BBB's website WTF?
  This is
  total insanity!!!

 169.254.x.x are IPv4 link-local autoconfigured addresses. i.e. the BBB
 didn't get a DHCP response and picked a random 169.254.x.x address
 itself
 instead.
 It should still broadcast for DHCP, so if your DHCP server ever starts
 handing out addresses it should pick one up and start working.

 See http://tools.ietf.org/html/rfc3927 for an explanation of IPv4
 link local
 addresses.


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Re: [beagleboard] Re: BBB with ROS Training Class February 15th -- Mountain View, CA

2014-02-11 Thread edward arreola
Hi Greg,

Is there more training  days like this planned in later months ?
do you have a schedule I would be very interested in knowing when the next
training day is out side of feb and march .

Thanks

Edward.



On Tue, Feb 11, 2014 at 2:00 PM, Venkat Bommakanti achar...@gmail.comwrote:

 Hi Greg,

 What are the pre-requisites to attend this course ?

 thanks,
 /venkat

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[beagleboard] Re: PWM and Analog ins on TI Android with BBB and Kernel 3.2

2014-02-11 Thread Vishveshwar
On Tuesday, February 11, 2014 4:15:52 AM UTC+5:30, Ernesto Gigliotti wrote:

 Hello, I have I2C,SPI and GPIOs working on TI Android with 3.2 Kernel 
 (without device tree) but I have no clue about PWM and Analog inputs, I 
 don't know where I can start looking. I would appreciate any help.

 Thanks


LCD backlight uses PWM, that should get you started.
Not sure about analog inputs. Touchscreen uses the same subsystem though. 

You can try the TI Linux SDK user guide/release notes for more details. The 
TI Android 3.2 kernel is based on this.

-Vishveshwar

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Re: [beagleboard] USB OTG Host mode with BBB?

2014-02-11 Thread Mahammad
Hi There

I am too trying to make the mini usb port to work as a host. 

I am trying to scan the expansion port signals it seams like none of the 
pins offers direct access to the processor vbus signal. Should I do this 
with some software?

If with software; what time should it work to enable/disable the volt? And 
should it listen to the signal all the time or just during the port 
initialization stage?

Best Regards

Mahammad







On Wednesday, August 21, 2013 4:38:47 AM UTC+2, AndrewTaneGlen wrote:

 Understood. Thanks for taking the time to clear that up for me.


 Andy.

 On Wednesday, 21 August 2013 14:36:59 UTC+12, Gerald wrote:

 Yes, that is what I am saying. I did a design where the 5V was always 
 there. It din't work. I had to add a power switch like I did on the BBB 
 design.


 Gerald


 On Tue, Aug 20, 2013 at 9:33 PM, AndrewTaneGlen andrewt...@gmail.comwrote:

 Thanks Gerald,

 That was one thing I was not absolutely clear on. The TRM has the 
 following passage concerning USB power control:

 *When any of the USB controllers assumes the role of a host, the USB 
 is required to supply a 5V power*
 *source to an attached device through its VBUS line. In order to achieve 
 this task, the USB controller*
 *requires the use of an external power logic (or charge pump) capable of 
 sourcing 5V power. A*
 *USB_DRVVBUS is used as a control signal to enable/disable this external 
 power logic to either source or*
 *disable power on the VBUS line. The control on the USB_DRVVBUS is 
 automatic and is handled by the*
 *USB controller.* (AM335X TRM, pg. 1697)

 So are you saying, in addition to the above, that the USB port must be 
 in control of the VBUS enable - assumedly detecting the voltage as off when 
 disabled, and on when enabled, with specific timing requirements around 
 these edges - so that there is no way to simply have the 5V there the whole 
 time?

 If this is the case I guess there is a chance that I could add some kind 
 of gpio control through the expansion header to enable/disable the 5V rail 
 as and when required (or I could just modify the board - but I'm trying to 
 avoid this and be able to just plug my clean BBB into my horrible looking 
 base board...)


 Regards,
 Andy.

 On Wednesday, 21 August 2013 14:20:08 UTC+12, Gerald wrote:

 Like the fact that the processor needs to see the 5V on 
 the processor pin when it turns on the 5V?

 Take a look at the host port design. Both ports are actually OTG ports 
 by design. To make the state machine in the HW function as a host, you 
 need 
 to make it work like the other OTG port, the one we call the Host port, 
 which is configured for host..


 Gerald



 On Tue, Aug 20, 2013 at 9:12 PM, AndrewTaneGlen 
 andrewt...@gmail.comwrote:

 Hi All,

 I've been playing around with getting the mini-USB pc connector to 
 function as a second USB host (I'm using RCN's Ubuntu, Raring, but I'd 
 assume this would apply to Angstrom as well). There is a post here 
 http://pansenti.wordpress.com/2013/05/27/
 beaglebone-black-with-two-usb-host-ports-it-can-be-done-but-
 its-not-easy/ decribing how to do this with some hardware 
 modifications, but looking at the AM335x technical reference manual it 
 looks like I should be able to set USB Port 0 to function as a host 
 through 
 software alone (i.e. without needing to ground the USB ID pin, or to 
 modify 
 anything else on the board).

 So what I have done so far is modify the 'am33xx.dtsi' file under the 
 'usb_otg_hs' section, and change the item 'port0-mode = 3' to 
 'port0-mode 
 = 1', which, according to 'am33xx-usb.txt' in the device tree 
 documentation, should force this port to function in Host mode.

 I then had a look through menu config, in the 'Device Drivers' - 'USB 
 Support' section and there didn't seem to be anything specifically 
 relating 
 to setting the mode of any particular usb port, so I left all of this 
 unchanged.

 Upon booting I can see that whereas previously I would get the 
 following wit regards to USB0:

 musb-hdrc musb-hdrc.0.auto: *** mode=3

 I now get 

 musb-hdrc musb-hdrc.0.auto: *** mode=1

 This would appear to indicate that my device tree change had been 
 successfully applied, and the initialisation of USB port0 now looks 
 identical to that of port1. whereas previously they were quite different.

 I then customised my USB cable to have an external 5V feed (wired to 
 SYS_5V on the expansion header) and added a female-female USB A adaptor 
 to 
 give me a host socket.

 However, it doesn't work.

 I have checked the power rail and can see 5V on R159 on the bottom of 
 the BBB and I have double checked that the comms wires are the correct 
 polarity, and everything buzzes out as expected.

 The device boots, and I can SSH into it. Plugging a memory stick into 
 the standard usb host plug causes messages related to detecting and 
 attaching a disk, but when I plug the same disk into the modified 
 connector 
 assembly I get noting at all.

 Taking 

[beagleboard] set this mail list to digest by email

2014-02-11 Thread vinge_ven
 Because I am at mainland China ,I can't reach the web page of google group.
I had just suscribe to this maillist by email, and want to set receive mails by 
digest. 
Can this be achive by email?

2014-02-11 



vinge_ven 

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