[beagleboard] [Newbie] First thing to do in Angstrom on BeagleBoard xM

[Khairi]

Im newly involve with beagleboard xm with a week linux experience. My 
objective is to run .cpp code file with opencv library in beagleboard xm. I 
found several tutorials from blogs, websites, and discussion in this forum 
quite useful but I face a lot of problems and i dont understand majority of 
the instructions since im still a newbies. I thought maybe anyone of you 
expert enough that can give a hint or guide me for this embedded journey. 
My questions are: 1. I burn an angstrom image from 
http://beagleboard.org/latest-images/ for my beagleboard xm. Is it the most 
efficient os that i can use? or how about the kernel? 2.I also tried ubuntu 
14.04 (http://elinux.org/BeagleBoardUbuntu#raw_microSD_img) and it stuck 
after i update, upgrade, and try to boot into a gui environment. I refer to 
http://embedmastery.blogspot.com/2013/12/install-ubuntu-1310-on-beagle-board-xm.html
 
and 
http://www.brianhensley.net/2013/01/beagleboard-xm-how-to-install-ubuntu.html 
for boot up and gui process. 3. Once i burn an angstrom image and 
successful boot beagleboard xm up, i read view blogs that advise to update 
and upgrade right after first boot. So i tried to "opkg update" and "opkg 
upgrade" but it stuck at automatic login screen after complete upgrade and 
reboot. What should i do? What actually the first thing i suppose to do 
after succesfully burn and boot? 4. When i gave up with update and upgrade, 
I just proceed and followed this tutorial here 
http://derekmolloy.ie/beaglebone/beaglebone-video-capture-and-image-processing-on-embedded-linux-using-opencv/
 
and it work until v2l-utils command. And i believe i need to install 
video4linux first. And how should i do it? 
I very appreciate if anyone of you can help me out. Or recommend me some 
links or books that i can refer as a newbie in linux on beagleboard xm. 
Thank you a bunch.

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Re: [beagleboard] Webserver Image Displaying

[William Hermans]

Hello Ryan,

As the first post under your said, this is a pathing issue and image.jpg
must be in the directory your script is in as your code stands. However,
this is not necessarily a good way to go about things.

Let say for example you had a project directory called Project. In this
directory you have two other directories called scripts, and images. For
the above code in this situation to work you would need something like

*"; ?>*
>
>
*..* traverses back up one directory level. Putting you into the directory
project. Then the rest should be obvious. Now while this is not absolutely
necessary to function, it is probably a very good diea to keep your
scripts, and image directories separate. Security being the foremost reason
in my own mind, but later, you may even need  public, and private image
directories. Depending on what you're trying to achieve.

So I would recommend that you find a good book on Linux first, then
secondly find a good book on php. Perhaps even brush up some on html as
well, since relative paths are kind of a basic concept. The good news is
most of if not all of this material can be had free online.


On Mon, Jun 9, 2014 at 4:01 PM,  wrote:

> there are simple and useful tools to help you, like
> http://winscp.net/eng/index.php
> but still some basic understanding of what you're doing is required.
>
> good luck,
> Jan
>
>
> On Tuesday, June 10, 2014 8:01:30 AM UTC+10, john3909 wrote:
>>
>>
>> From: "'Ryan P.' via BeagleBoard" 
>> Reply-To: 
>>
>> Date: Monday, June 9, 2014 at 1:44 PM
>> To: 
>>
>> Subject: Re: [beagleboard] Webserver Image Displaying
>>
>>
>>
>> On Monday, June 9, 2014 4:22:43 PM UTC-4, Przemek Klosowski wrote:
>>>
>>> On Mon, Jun 9, 2014 at 4:15 PM, 'Ryan P.' via BeagleBoard
>>>  wrote:
>>>
>>> >
>>> > "; ?>
>>> >
>>> For this to work , you need to have a file image.jpg in the same
>>> directory as the php script; the file has to be readable to the
>>> 'world' or to the user/group under which the lighttpd process runs.
>>>
>>
>>
>> I had a hunch it was that..
>>
>> Any tips for going about doing that?
>>
>> Start by reviewing the training material on free-electrons.com or buy a
>> book on using Linux. Specifically, you should review the Linux command line
>> docs:
>>
>> http://free-electrons.com/docs/command-line/
>>
>> Regards,
>> John
>>
>>
>> --
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>>
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[beagleboard] Re: Cannot set value of GPIO[5]

[Janick]

And I have confirmed the pins are properly overlaid:

pin 84 (44e10950): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 85 (44e10954): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 86 (44e10958): helper.14 (GPIO UNCLAIMED) function JB_GPIO_Demo_Pins 
group JB_GPIO_Demo_Pins
pin 87 (44e1095c): helper.14 (GPIO UNCLAIMED) function JB_GPIO_Demo_Pins 
group JB_GPIO_Demo_Pins
pin 88 (44e10960): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 89 (44e10964): (MUX UNCLAIMED) (GPIO UNCLAIMED)

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[beagleboard] Cannot set value of GPIO[5]

[Janick]

I've loaded a DeviceTree overlay to mux GPIO[4] and GPIO[5] to p9[18] and 
p9[17] respectively:

DTS file:
0x15C 0x07  /* P9_17 gpio[5] OUTPUT MODE7 - The LED Output */
0x158 0x07  /* P9_18 gpio[4] OUTPUT MODE7 - The LED Output */

Compiled and loaded:

root@bbbA:/sys/class/gpio/gpio5# cat $SLOTS
 0: 54:PF---
 1: 55:PF---
 2: 56:PF---
 3: 57:PF---
 4: ff:P-O-L Bone-LT-eMMC-2G,00A0,Texas Instrument,BB-BONE-EMMC-2G
 5: ff:P-O-L Bone-Black-HDMI,00A0,Texas Instrument,BB-BONELT-HDMI
 9: ff:P-O-L Override Board Name,00A0,Override Manuf,JB-GPIO-DEMO

I can control GPIO[4] just fine, but GPIO[5] refuses to budge:

root@bbbA:/sys/class/gpio# echo 5 >export
root@bbbA:/sys/class/gpio# cd gpio5
root@bbbA:/sys/class/gpio/gpio5# cat direction
out
root@bbbA:/sys/class/gpio/gpio5# cat value
0
root@bbbA:/sys/class/gpio/gpio5# echo 1 >value
root@bbbA:/sys/class/gpio/gpio5# cat value
0
root@bbbA:/sys/class/gpio/gpio5#

Any ideas??

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Re: [beagleboard] Mounting a SD card for storage

[Robert Nelson]

On Mon, Jun 9, 2014 at 6:38 PM, Charles Kerr  wrote:
> used the latest Debian image on this site,flashed my dmmc,  and I noticed my
> SD card doest mount (I use a blank one for storage).
>
> I look under /media and I don't see it (nothing shows).
>
> I have the uEnv.txt file on my sd card.  is this a know issue, or should I
> look for something else?

It's not setup to automatically mount the other microSD card.

Just add it to /etc/fstab

/dev/mmcblk0p1   /media/microsd autodefaults  0   0

Regards,

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

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[beagleboard] Mounting a SD card for storage

[Charles Kerr]

used the latest Debian image on this site,flashed my dmmc,  and I noticed 
my SD card doest mount (I use a blank one for storage).

I look under /media and I don't see it (nothing shows).

I have the uEnv.txt file on my sd card.  is this a know issue, or should I 
look for something else?

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Re: [beagleboard] Webserver Image Displaying

[janszymanski12345]

there are simple and useful tools to help you, like 
http://winscp.net/eng/index.php 
but still some basic understanding of what you're doing is required.

good luck,
Jan


On Tuesday, June 10, 2014 8:01:30 AM UTC+10, john3909 wrote:
>
>
> From: "'Ryan P.' via BeagleBoard" 
> >
> Reply-To: >
> Date: Monday, June 9, 2014 at 1:44 PM
> To: >
> Subject: Re: [beagleboard] Webserver Image Displaying
>
>
>
> On Monday, June 9, 2014 4:22:43 PM UTC-4, Przemek Klosowski wrote:
>>
>> On Mon, Jun 9, 2014 at 4:15 PM, 'Ryan P.' via BeagleBoard 
>>  wrote: 
>>
>> > 
>> > "; ?> 
>> > 
>> For this to work , you need to have a file image.jpg in the same 
>> directory as the php script; the file has to be readable to the 
>> 'world' or to the user/group under which the lighttpd process runs. 
>>
>
>
> I had a hunch it was that.. 
>
> Any tips for going about doing that? 
>
> Start by reviewing the training material on free-electrons.com or buy a 
> book on using Linux. Specifically, you should review the Linux command line 
> docs:
>
> http://free-electrons.com/docs/command-line/
>
> Regards,
> John
>
>
> -- 
> For more options, visit http://beagleboard.org/discuss
> --- 
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> email to beagleboard...@googlegroups.com .
> For more options, visit https://groups.google.com/d/optout.
>
>

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[beagleboard] BBB CAN Baud Rate

[edwin . j . slv]

I have the Beaglebone Black tested and working on a CAN bus at 33.766k.  At 
the moment, I do not have a way to test different baud rates.  What other 
data rates would be acceptable for the Beaglebone Black?  Can the BBB 
communicate CAN at 100Mb/s or faster?

Thanks

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Re: [beagleboard] Webserver Image Displaying

[John Syn]

From:  "'Ryan P.' via BeagleBoard" 
Reply-To:  
Date:  Monday, June 9, 2014 at 1:44 PM
To:  
Subject:  Re: [beagleboard] Webserver Image Displaying

> 
> 
> On Monday, June 9, 2014 4:22:43 PM UTC-4, Przemek Klosowski wrote:
>> On Mon, Jun 9, 2014 at 4:15 PM, 'Ryan P.' via BeagleBoard
>>  > wrote:
>> 
>>> > 
>>> > "; ?>
>>> > 
>> For this to work , you need to have a file image.jpg in the same
>> directory as the php script; the file has to be readable to the
>> 'world' or to the user/group under which the lighttpd process runs.
> 
> 
> I had a hunch it was that..
> 
> Any tips for going about doing that?
Start by reviewing the training material on free-electrons.com or buy a book
on using Linux. Specifically, you should review the Linux command line docs:

http://free-electrons.com/docs/command-line/

Regards,
John
> 
> 
> -- 
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Re: [beagleboard] Webserver Image Displaying

[Przemek Klosowski]

On Mon, Jun 9, 2014 at 4:44 PM, 'Ryan P.' via BeagleBoard
 wrote:
>

>> For this to work , you need to have a file image.jpg in the same
>> directory as the php script; the file has to be readable to the
>> 'world' or to the user/group under which the lighttpd process runs.
>
>
>
> I had a hunch it was that..
>
> Any tips for going about doing that?

Well, what can I assume about your situation? You need to copy the
jpeg file from somewhere else to your BBB's web directory, which you
must know because you're editing the .php file there. Check the
permissions using the 'ls -l' command; it should look somehow like
this:

 -rwxrw-r--. 1 ryan web  11520 Nov 14  2002 image.jpg

if it's not r..r..r.. then do 'chmod +r image.jpg'.

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Re: [beagleboard] Webserver Image Displaying

['Ryan P.' via BeagleBoard]

On Monday, June 9, 2014 4:22:43 PM UTC-4, Przemek Klosowski wrote:
>
> On Mon, Jun 9, 2014 at 4:15 PM, 'Ryan P.' via BeagleBoard 
> > wrote: 
>
> > 
> > "; ?> 
> > 
> For this to work , you need to have a file image.jpg in the same 
> directory as the php script; the file has to be readable to the 
> 'world' or to the user/group under which the lighttpd process runs. 
>


I had a hunch it was that.. 

Any tips for going about doing that? 

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Re: [beagleboard] Webserver Image Displaying

[Przemek Klosowski]

On Mon, Jun 9, 2014 at 4:15 PM, 'Ryan P.' via BeagleBoard
 wrote:

>
> "; ?>
>
For this to work , you need to have a file image.jpg in the same
directory as the php script; the file has to be readable to the
'world' or to the user/group under which the lighttpd process runs.

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[beagleboard] Webserver Image Displaying

['Ryan P.' via BeagleBoard]

Hello everyone,

I am an intern programmer at the age of 17, doing an educational unpaid 
full time internship where I have to work for 70 or so hours. While at my 
internship, I was introduced to the beagle bone black as my main project 
while interning here at the science and engineering firm. My project is to 
re-create a silver light web-server, but with the beagle bone black in a 
non windows version that could be used more efficiently. 

My issue currently, is displaying images on my web server that is currently 
being hosted by my Beagle Bone Black. I am using lighttpd, and for my web 
server I basically followed the beginning of this guide following the 
*Setup* step 
http://www.element14.com/community/community/knode/single-board_computers/next-gen_beaglebone/blog/2013/11/20/beaglebone-web-server--setup
 
. Anyways, I have a web server hosted, and one of my next goals is to try 
and display simple images onto the web server, but so far no hope. 

I have the web server recognizing images are trying to be displayed, but* 
the error for the images is: 404 not found.* I am very new, so I am still 
very clueless as to what I should do in going about further with the issue 
I am having.. 


I used the text editor and code just like this with my putty.

vi /www/pages/test.php

*Then in the text editor:*




Test







"; ?>






I'd love to hear your feedback on my issue, I so far am really enjoying the 
Beagle Bone Black, and want to learn more about it, but after countless 
searches I still can't seem to figure out what it is that I am doing wrong 
here. 

Thanks

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[beagleboard] Re: New Cape LCD timing problems

[Greg Wilson-Lindberg]

It appears to be a problem with the pixel clock divider.  I copied the 
800x480 parameters and then changed the pixel clock to 25.175MHZ and I got 
the same behavior as the 640x480 parameters.  Then I changed the clock to 
25MHz even and I got the correct pixel clock out.  25.1 MHZ doesn't work, 
but 25.2MHz does work.  So there appears to be some frequencies that the 
pixel clock divider can't produce and it messes everything up.

I'm going to continue trying to get my board up and running using the 
25.2MHz pixel clock.  This is a bit fast but hopefully should still work.

Greg

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Re: [beagleboard] bb.org debian next...

[John Syn]

On 6/9/14, 12:03 PM, "Robert Nelson"  wrote:

>On Mon, Jun 9, 2014 at 1:40 PM, Jacek Radzikowski
> wrote:
>> Robert,
>>
>> I understand that with limited resources and high popularity of
>> Beaglebone this will be the primary target for development, but would
>> there be a chance for older boards to receive a bit more love than
>> with current debian images?
>
>(and now with gmail's shortcut keys disabled, this is the worst thing
>to ever copy from outlook!)
>
>Oh, they are getting some love. (ignoring the dsp).
>
>For the xM (other then ulcd7 support)
>1Ghz operation (although i disabled this in v3.15.x) (1)
>DRM graphics works
>USB pll workaround
>
>beagle cx: (v3.15.x)
>display broken
>i2c feature (annoying dmesg spam)
>600Mhz limitation
>
>But one thing we probably won't ever have support for again on these
>boards is the dsp stuff. (no one who knows it is working on it.)
Yeah, TI stopped supporting SysLink after V3.2. After V3.2, mainline
standardized on RPMSG (SYSLINK3), but TI have no plans to add DM3730
support for RPMSG. Currently, there is support for OMAPL13x, OMAP4, OMAP5
and KeyStone I believe.

Regards,
John
>
>1: http://pastebin.com/D8BdymHF
>2: http://pastebin.com/TAHExszJ
>
>Regards,
>
>-- 
>Robert Nelson
>http://www.rcn-ee.com/
>
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Re: [beagleboard] Problems with updating Beaglebone Black via "opkg install"

['Ryan P.' via BeagleBoard]

Thanks! I got it now, but now I have new problems haha

On Wednesday, May 28, 2014 4:42:59 PM UTC-4, pad...@yahoo.de wrote:
>
> Hi,
> you have to connect your BBB directly to the internet via the ethernet 
> connector on the BBB. That was my fault…I only connect it over usb to 
> control with command line and I got the same errors. 
> So be sure that your BBB is connected to the internet.(I think tethering 
> over usb is not possible) 
> Maybe this might solve your problem…
>
> Regards
> Am 28.05.2014 um 20:44 schrieb rpauly92 via BeagleBoard <
> beagl...@googlegroups.com >:
>
> I am having the same issue with mine at the moment. For me however, I am 
> able to reach the links it provides when it displays 
> the collected errors. But I do want to know why the opkg_download failed. 
>
>
>
> root@beaglebone:~# opkg update
> Downloading 
> http://feeds.angstrom-distribution.org/feeds/v2012.12/ipk/eglibc/armv7a-vfp-neon/base/Packages.gz
> .
> wget: bad address 'feeds.angstrom-distribution.org'
> Downloading 
> http://feeds.angstrom-distribution.org/feeds/v2012.12/ipk/eglibc/armv7a-vfp-neon/machine/beaglebone/Packages.gz
> .
> wget: bad address 'feeds.angstrom-distribution.org'
> Downloading 
> http://feeds.angstrom-distribution.org/feeds/v2012.12/ipk/eglibc/armv7a-vfp-neon/debug/Packages.gz
> .
> wget: bad address 'feeds.angstrom-distribution.org'
> Downloading 
> http://feeds.angstrom-distribution.org/feeds/v2012.12/ipk/eglibc/armv7a-vfp-neon/gstreamer/Packages.gz
> .
> wget: bad address 'feeds.angstrom-distribution.org'
> Downloading 
> http://feeds.angstrom-distribution.org/feeds/v2012.12/ipk/eglibc/all/Packages.gz
> .
> wget: bad address 'feeds.angstrom-distribution.org'
> Downloading 
> http://feeds.angstrom-distribution.org/feeds/v2012.12/ipk/eglibc/armv7a-vfp-neon/perl/Packages.gz
> .
> wget: bad address 'feeds.angstrom-distribution.org'
> Downloading 
> http://feeds.angstrom-distribution.org/feeds/v2012.12/ipk/eglibc/armv7a-vfp-neon/python/Packages.gz
> .
> wget: bad address 'feeds.angstrom-distribution.org'
> Collected errors:
>  * opkg_download: Failed to download 
> http://feeds.angstrom-distribution.org/feeds/v2012.12/ipk/eglibc/armv7a-vfp-neon/base/Packages.gz,
>  
> wget returned 1.
>  * opkg_download: Failed to download 
> http://feeds.angstrom-distribution.org/feeds/v2012.12/ipk/eglibc/armv7a-vfp-neon/machine/beaglebone/Packages.gz,
>  
> wget returned 1.
>  * opkg_download: Failed to download 
> http://feeds.angstrom-distribution.org/feeds/v2012.12/ipk/eglibc/armv7a-vfp-neon/debug/Packages.gz,
>  
> wget returned 1.
>  * opkg_download: Failed to download 
> http://feeds.angstrom-distribution.org/feeds/v2012.12/ipk/eglibc/armv7a-vfp-neon/gstreamer/Packages.gz,
>  
> wget returned 1.
>  * opkg_download: Failed to download 
> http://feeds.angstrom-distribution.org/feeds/v2012.12/ipk/eglibc/all/Packages.gz,
>  
> wget returned 1.
>  * opkg_download: Failed to download 
> http://feeds.angstrom-distribution.org/feeds/v2012.12/ipk/eglibc/armv7a-vfp-neon/perl/Packages.gz,
>  
> wget returned 1.
>  * opkg_download: Failed to download 
> http://feeds.angstrom-distribution.org/feeds/v2012.12/ipk/eglibc/armv7a-vfp-neon/python/Packages.gz,
>  
> wget returned 1.
>
>
> I can connect to the links it provides, but I want to know why they aren't 
> downloadable from the PuTTY. I am wondering if there is just a bad 
> connection remaining  between the BBB and my PC (Windows 7). 
>
> I am still very new with the BBB, and learning more about it as I am 
> interning. My main project while I work here circles around the use of the 
> BBB, I just seem to be
> butting heads with it lately. I'd love to get some feedback about how I 
> should go about fixing it. I am trying to fix it in order to create a web 
> server through the BBB if that helps any in figuring out the issue.
>
>
> Thanks,
> Ryan
>
>
> -- 
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Re: [beagleboard] bb.org debian next...

[Robert Nelson]

On Mon, Jun 9, 2014 at 1:40 PM, Jacek Radzikowski
 wrote:
> Robert,
>
> I understand that with limited resources and high popularity of
> Beaglebone this will be the primary target for development, but would
> there be a chance for older boards to receive a bit more love than
> with current debian images?

(and now with gmail's shortcut keys disabled, this is the worst thing
to ever copy from outlook!)

Oh, they are getting some love. (ignoring the dsp).

For the xM (other then ulcd7 support)
1Ghz operation (although i disabled this in v3.15.x) (1)
DRM graphics works
USB pll workaround

beagle cx: (v3.15.x)
display broken
i2c feature (annoying dmesg spam)
600Mhz limitation

But one thing we probably won't ever have support for again on these
boards is the dsp stuff. (no one who knows it is working on it.)

1: http://pastebin.com/D8BdymHF
2: http://pastebin.com/TAHExszJ

Regards,

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

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Re: [beagleboard] bb.org debian next...

[Robert Nelson]

On Mon, Jun 9, 2014 at 1:40 PM, Jacek Radzikowski
 wrote:
> Robert,
>
> I understand that with limited resources and high popularity of
> Beaglebone this will be the primary target for development, but would
> there be a chance for older boards to receive a bit more love than
> with current debian images?

Oh, they are getting some love. (ignoring the dsp).

For the xM (other then ulcd7 support)
1Ghz operation (although i disabled this in v3.15.x)

beagle cx: (v3.15.x)
display broken
i2c feature (annoying dmesg spam)
600Mhz limitation

beagle xm
1Ghz operation:
(but with this error:




>
> thx,
> j.
>
>
> On Fri, May 30, 2014 at 10:00 PM, Robert Nelson  
> wrote:
>> So here's some random thoughts... Now that the wheezy images is out,
>> (We will still maintain it!) there were a few things i wished it had
>> working out of the box  sgx .
>>
>> So on that note, I've been looking at what we have queued up for
>> Jessie (which should "freeze" november-ish, ship 7.0 6 months later
>> (lets say may 2015)).
>>
>> Some cool things, like a newer systemd (by default), qt 5.x,
>> wayland/weston, libhybris, gcc-4.9... Thus we 'might' just be able to
>> have sgx working by borrowing the Android bits..
>>
>> http://en.wikipedia.org/wiki/Hybris_(software)#Features
>>
>> So today, I was messing with a Jessie rootfs build, trying to start
>> weston for the first time.  yeah.  We definitely have some work ahead
>> of us.
>>
>> Thoughts? I'm not promising anything right now, I might just end up
>> with more grey hairs..
>>
>> --
>> Robert Nelson
>> http://www.rcn-ee.com/
>>
>> --
>> For more options, visit http://beagleboard.org/discuss
>> ---
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>> "BeagleBoard" group.
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>
>
>
> --
> Given a choice between two theories, take the one which is funnier
>
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-- 
Robert Nelson
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Re: [beagleboard] Using GPIO

[Jason Kridner]

On Tue, Jun 3, 2014 at 1:05 PM, maxmike  wrote:
>
> Jason, could you please let me know how you got cape-universal to let you do
> pwm?
>
> If I use the am33xx_pwm and bone_pwm_P9_21 dtbo's I can see
> /sys/devices/ocp.3/pwm_test_
> P9_21.11 period polarity and run files.
>
> If I use the cape-universal instead and config-pin P9_21 as pwm
> all I get is a confirmation that it occurred, but I have difficulty finding
> the period, polarity, run files.

Well, be sure *NOT* to load the bone_pwm_* dtbo (dt overlays).
Instead, you should use the standard Linux sysfs entries for PWM.

root@beaglebone:~# config-pin p9.14 pwm
root@beaglebone:~# config-pin -q p9.14
P9_14 Mode: pwm
root@beaglebone:~# echo 3 > /sys/class/pwm/export
root@beaglebone:~# cat /sys/class/pwm/pwm3/run
0
root@beaglebone:~# cat /sys/class/pwm/pwm3/duty_ns
0
root@beaglebone:~# cat /sys/class/pwm/pwm3/period_ns
0
root@beaglebone:~# echo 50 > /sys/class/pwm/pwm3/period_ns
root@beaglebone:~# echo 10 > /sys/class/pwm/pwm3/duty_ns
root@beaglebone:~# echo 1 > /sys/class/pwm/pwm3/run
root@beaglebone:~# cat /sys/class/pwm/pwm3/run
1
root@beaglebone:~# cat /sys/class/pwm/pwm3/duty_ns
10

To figure out the index for performing the export, you need to look at
the order the PWMs are placed in the devicetree. I input these into my
bone.js file that keeps the board specific info
(https://github.com/jadonk/bonescript/blob/427de9494d4f494bd7806ddde10913f1578cdbea/src/bone.js#L271).

root@beaglebone:~# node -e "var
p=require('bonescript').bone.pins;for(var x in
p){if(p[x].pwm)console.log(x+':'+p[x].pwm.sysfs);}"
P8_13:6
P8_19:5
P8_34:4
P8_36:3
P8_45:5
P8_46:6
P9_14:3
P9_16:4
P9_21:1
P9_22:0
P9_28:7
P9_29:1
P9_31:0
P9_42:2


>
> --
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Re: [beagleboard] Re: bb.org debian next...

[Robert Nelson]

On Mon, Jun 9, 2014 at 1:26 PM, Jason Kridner  wrote:
> On Fri, Jun 6, 2014 at 6:08 PM, Robert Nelson  wrote:
>> On Fri, May 30, 2014 at 9:00 PM, Robert Nelson  
>> wrote:
>>> So here's some random thoughts... Now that the wheezy images is out,
>>> (We will still maintain it!) there were a few things i wished it had
>>> working out of the box  sgx .
>>>
>>> So on that note, I've been looking at what we have queued up for
>>> Jessie (which should "freeze" november-ish, ship 7.0 6 months later
>>> (lets say may 2015)).
>>>
>>> Some cool things, like a newer systemd (by default), qt 5.x,
>>> wayland/weston, libhybris, gcc-4.9... Thus we 'might' just be able to
>>> have sgx working by borrowing the Android bits..
>>>
>>> http://en.wikipedia.org/wiki/Hybris_(software)#Features
>>>
>>> So today, I was messing with a Jessie rootfs build, trying to start
>>> weston for the first time.  yeah.  We definitely have some work ahead
>>> of us.
>>>
>>> Thoughts? I'm not promising anything right now, I might just end up
>>> with more grey hairs..
>>
>> weston: (running as root, in jessie)
>>
>> export XDG_RUNTIME_DIR="/tmp/wayland"
>> mkdir -p "$XDG_RUNTIME_DIR"
>> chmod 0700 "$XDG_RUNTIME_DIR"
>>
>> weston --backend=fbdev-backend.so
>>
>> or
>>
>> weston --backend=drm-backend.so --use-pixman
>>
>> (fbdev actually works better)
>
> How does the performance look? Wanting to encourage more people to poke on it?

It's actually very smooth in fbdev mode.. In in drm mode the screen
gets crazy corrupted the harder you push the cpu. (on our v3.8.x
kernel)

>
> For run-time HDMI resizing, we'll need to use DRM, no?

Correct, we need drm mode for that.

It's very minimal, it should be good platform for getting the
'current' sgx graphics binaries up and running..

But right now it's just a collection of notes to get it up. I figure
in a week I'll have something for users to test.

Regards,

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

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Re: [beagleboard] bb.org debian next...

[Jacek Radzikowski]

Robert,

I understand that with limited resources and high popularity of
Beaglebone this will be the primary target for development, but would
there be a chance for older boards to receive a bit more love than
with current debian images?

thx,
j.


On Fri, May 30, 2014 at 10:00 PM, Robert Nelson  wrote:
> So here's some random thoughts... Now that the wheezy images is out,
> (We will still maintain it!) there were a few things i wished it had
> working out of the box  sgx .
>
> So on that note, I've been looking at what we have queued up for
> Jessie (which should "freeze" november-ish, ship 7.0 6 months later
> (lets say may 2015)).
>
> Some cool things, like a newer systemd (by default), qt 5.x,
> wayland/weston, libhybris, gcc-4.9... Thus we 'might' just be able to
> have sgx working by borrowing the Android bits..
>
> http://en.wikipedia.org/wiki/Hybris_(software)#Features
>
> So today, I was messing with a Jessie rootfs build, trying to start
> weston for the first time.  yeah.  We definitely have some work ahead
> of us.
>
> Thoughts? I'm not promising anything right now, I might just end up
> with more grey hairs..
>
> --
> Robert Nelson
> http://www.rcn-ee.com/
>
> --
> For more options, visit http://beagleboard.org/discuss
> ---
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-- 
Given a choice between two theories, take the one which is funnier

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Re: [beagleboard] Using Beaglebone Black as a standalone wifi server/Access Point

[John Syn]

From:  Ashish Prajapati 
Reply-To:  
Date:  Monday, June 9, 2014 at 3:36 AM
To:  
Subject:  [beagleboard] Using Beaglebone Black as a standalone wifi
server/Access Point

> Hi,
> 
> I want to use my Beaglebone Black as a standalone (not connected to internet)
> wireless server, to which multiple clients can connect and request a service.
> I googled it out, and found that for this a usb wifi adapter, having the
> capability to run in a Master mode  is required.
> I googled for such usb devices but could not get a concrete answer.
Search for "WIFI Direct²

Regards,
John
> 
> 
> Pls anyone help me on the same and suggest which usb wifi device can serve my
> purpose !
> 
> Thanks in advance!!
> 
> 
> 
>  
> 
> 
> 
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Re: [beagleboard] HDMI resolution (TI SDK)

[John Syn]

From:  Morix Dev 
Reply-To:  
Date:  Monday, June 9, 2014 at 12:46 AM
To:  
Subject:  [beagleboard] HDMI resolution (TI SDK)

> Dear all,
> I am playing around with my BeagleBone Black... and I have a problem related
> to framebuffer resolution...
> 
> I installed on my BBB the SDK from TI (7.00.00,
> http://processors.wiki.ti.com/index.php/Sitara_Linux_Software_Developer%E2%80%
> 99s_Guide) and I have some problems in settings the resolution on HDMI
> output...
You won¹t find a lot of people using TI SDK on this forum. You would be
better off posting a question on TI¹s E2E forums for questions related to
their SDK. Most of the developers on this mailing list use Debian.

Regards,
John
> 
> 
> I am currently booting from SD and I've already tried to modify uEnv.txt on
> the boot partition of the SD card in order to include something like:
> 
> omapfb.mode=1024x768@60
> 
> but the board (and the Matrix GUI from TI) always starts in 1280x720@60...
> why? How can I force the output to 1024x768@60? Can anybody help me? Thanks!
> -- 
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Re: [beagleboard] Re: bb.org debian next...

[Jason Kridner]

On Fri, Jun 6, 2014 at 6:08 PM, Robert Nelson  wrote:
> On Fri, May 30, 2014 at 9:00 PM, Robert Nelson  
> wrote:
>> So here's some random thoughts... Now that the wheezy images is out,
>> (We will still maintain it!) there were a few things i wished it had
>> working out of the box  sgx .
>>
>> So on that note, I've been looking at what we have queued up for
>> Jessie (which should "freeze" november-ish, ship 7.0 6 months later
>> (lets say may 2015)).
>>
>> Some cool things, like a newer systemd (by default), qt 5.x,
>> wayland/weston, libhybris, gcc-4.9... Thus we 'might' just be able to
>> have sgx working by borrowing the Android bits..
>>
>> http://en.wikipedia.org/wiki/Hybris_(software)#Features
>>
>> So today, I was messing with a Jessie rootfs build, trying to start
>> weston for the first time.  yeah.  We definitely have some work ahead
>> of us.
>>
>> Thoughts? I'm not promising anything right now, I might just end up
>> with more grey hairs..
>
> weston: (running as root, in jessie)
>
> export XDG_RUNTIME_DIR="/tmp/wayland"
> mkdir -p "$XDG_RUNTIME_DIR"
> chmod 0700 "$XDG_RUNTIME_DIR"
>
> weston --backend=fbdev-backend.so
>
> or
>
> weston --backend=drm-backend.so --use-pixman
>
> (fbdev actually works better)

How does the performance look? Wanting to encourage more people to poke on it?

For run-time HDMI resizing, we'll need to use DRM, no?

>
> Regards,
>
> --
> Robert Nelson
> http://www.rcn-ee.com/
>
> --
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Re: [beagleboard] RS232 Cape Rev B for BBB

[Hieu Duong]

Hi,

Maybe this will help you get started with your new RS232 Cape
http://elinux.org/BBB_RS232_Cape_RevB_Getting_Started


-Hieu


On Mon, Jun 9, 2014 at 9:09 AM, Robert Nelson 
wrote:

> On Sun, Jun 8, 2014 at 12:04 PM, Raphael Philipe 
> wrote:
> > Hi there,
> >
> > Has someone used the new RS232 cape REV B before? Do you have
> > references on how to use it?
> >
> > I need to use it to control a gsm board through AT commands and I have
> > no clue where to start.
> >
> > Is it possible to use the older version of RS232 cape documentation as
> > a reference?
> >
> >
> > My basic guess and feelings are that:
> > I need to load a device tree overlay in order to set the pinmux, load
> > device drivers and the like. After that I will be able to communicate
> > with the other device throughout /dev/ttyAS0 and so on. Is that
> > correct?
>
> /dev/ttyOx
>
> What jumper position are you currently using?
>
> Regards,
>
> --
> Robert Nelson
> http://www.rcn-ee.com/
>
> --
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[beagleboard] Re: BBB rev C kernel module build

[DLF]

I replied to your other post

On Monday, 9 June 2014 18:56:59 UTC+2, ec1...@gmail.com wrote:
>
> Hi,
>
> Has anyone figured out how to do a "Hello World" kernel module build with 
> the Debian?  When I try, I get can't find .../build no directory.
>
>

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Re: [beagleboard] Re: 1 MBaud rate on uarts

[Charles Kerr]

So where do I change this?  In the device tree overlay?
I am just not comfortable on linux.  Use to direct control coding a PIC.


On Fri, Jun 6, 2014 at 10:25 PM,  wrote:

> I'm unsure how close to the hardware you're working, but it looks like the
> UART baud rate generator is using 13x oversampling when you were expecting
> 16x oversampling.  This is controlled by MODESELECT field in the UART's
> MDR1 register.
>
> So long as you're using the standard internal clock rates, the UARTs take
> a 48MHz clock as input, divide that down by the divisor you provide (UART
> registers DLH and DLL), then use the resulting clock to oversample each
> pixel period by either 13x or 16x.  Since you are trying to get 1Mbaud, a
> divisor of 3 with 16x oversampling would get you there.  It appears as if
> you have a divisor of 3 with 13x oversampling producing approximately
> 1.23Mbaud.
>
> One small change and you may be good to go.
>
> On Friday, June 6, 2014 5:45:39 PM UTC-7, Charles Kerr wrote:
>>
>> I setup my serial ports on the BBB to have a 1Mbaud rate.  However, when
>> I look at the output on the logic analyzer, I see the baud rate is more
>> like 1.214 MBaud.   This of course is too much deviation for my serial
>> transmission to sync  up.  I tried setting a custom baud rate, and that
>> just fails completely.  I wanted to use all four uarts.  If I need to, I
>> could bit bang it from the PRU (but then limit myself to two versus four).
>>  Is there a way to setup a more accurate baud rate on the BBB?
>>
>  --
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[beagleboard] r30 and r31 output/input only?

[Charles Kerr]

I noticed that very few PRU 0 r30 pins are hooked up to the Expansion 
headers (P8/P9)  There are some r31 pins , but if I am reading correctly, 
on the PRU, r31 is for input only.  I am a tad confused by that, as I see 
that UART1 tx is connected to r31 (not sure why the transmitter would be 
connected to an input).

Just wanted to check, r30 is output and r31 is input only on the PRU?

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[beagleboard] New Capes from Circuitco!

[danders . dev]

Greetings All!

just wanted to let everyone know that a whole series of new capes are now 
available from Circuitco. these capes can be purchased from boardzoo.com 
and other distributors.

   Bacon Cape Educational cape $29.99  MiniDisplay Cape 128x128 spi based 
lcd $29.99  RS-232 Cape new rs-232 cape with db-9 connector $29.99  Basic 
Proto Cape basic I/o proto cape $16.99  Generic Proto Cape standard 
prototype cap $16.99  Extended Proto Cape new prototype cape for 
experimenters $17.99  Power Supply Cape wide voltage range support cape 
$23.99  Audio Cape new audio cape based on aic3104 $29.99  RTC Cape Real 
Time Clock MCP79410 $23.99  PWM Cape 32 PWM interfaces for LED/Servo $29.99  

you can find more information on each of the wiki pages at elinux.org

http://elinux.org/CircuitCo:Basic_Proto_Cape 
http://elinux.org/CircuitCo:Generic_Proto_Cape 
http://elinux.org/CircuitCo:Extended_Proto_Cape 
http://elinux.org/CircuitCo:PowerSupply_Cape 
http://elinux.org/CircuitCo:RS232_Cape_RevB 
http://elinux.org/CircuitCo:Audio_Cape_RevB 
http://elinux.org/CircuitCo:Bacon_Cape 
http://elinux.org/CircuitCo:RTC_Cape 
http://elinux.org/CircuitCo:PWM_Cape 
http://elinux.org/CircuitCo:MiniDisplay_Cape 

all of these capes are now in stock at http://www.boardzoo.com
 

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[beagleboard] BBB rev C kernel module build

[ec123ec]

Hi,

Has anyone figured out how to do a "Hello World" kernel module build with 
the Debian?  When I try, I get can't find .../build no directory.

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[beagleboard] Re: Allowable current through BBB's P9_5 and P9_6?

[DLF]

Hello,
Section 8.5.1 in the SRM has a good table that should give you what you 
need.

Main Board Power 
Table 14
describes the voltages from the main board that are available on the 
expansion connectors and their ratings. All voltages are supplied by 
connector 
http://www.farnell.com/datasheets/1685587.pdf


On Monday, 9 June 2014 17:40:36 UTC+2, cove...@gmail.com wrote:
>
> Hi all,
>
> Could someone knowledgable tell me how much current can be supplied to the 
> BBB through its P9_5 and P9_6 pins (VDD_5V)?
>
> Many thanks,
>
> Anthony Webber
>
>

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[beagleboard] Allowable current through BBB's P9_5 and P9_6?

[covers911]

Hi all,

Could someone knowledgable tell me how much current can be supplied to the 
BBB through its P9_5 and P9_6 pins (VDD_5V)?

Many thanks,

Anthony Webber

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Re: [beagleboard] Building kernel modules on BBB rev c with Debian

[dumb looks free]

Hello,
this worked for me on Debian
http://dumb-looks-free.blogspot.fr/2014/06/beaglebone-black-bbb-kernal-headers.html

good luck


On 9 June 2014 12:45,  wrote:

> Hi,
>
> I have a newer BBB with Debian and am trying to build a hello world kernel
> module.  Does anyone have the recipe for that?  I also have an older BBB
> with 2GB Angstrom.  To build the hello world module on that one, do this:
>
> Create a directory and save a "Makefile" with this text.  Note:
> indentations must be tabs and not spaces:
>
> obj-m += hello.o
>
> all:
>   make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
>
> clean:
>   make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
>
> Now make a file called "hello.c":
>
> /* Source file .c */
> /*  hello.c */
>
> #include// Needed by all modules
> #include// Needed for KERN_ALERT
> #include  // Needed for the macros
>
>
> static int hello_init(void)
> {
>printk(KERN_ALERT "Hello, My module!\n");
>return 0;
> }
>
>
> static void hello_exit(void)
> {
>printk(KERN_ALERT "Goodbye, My module!\n");
> }
>
> save both files.  Run "make"
>
> Won't compile?  It's because the sock distro doesn't have the kernel
> headers and development environment installed and set up.  Here's what you
> have to do.  This will take about 45 minutes:
>
> opkg update
> opkg upgrade
>
> opkg install kernel-headers
> opkg install kernel-dev
>
>
> reboot the BBB
>
> cd  /usr/src/kernel
> make scripts
> ln -s /usr/src/kernel /lib/modules/`uname -r`/build
>
> re-run:
>
> opkg upgrade// completes silently
>
> run make in the folder with your hello.c and Makefile.
>
> It should build in about 1/2 second and the last line output will be
> something like "leaving kernel..."
>
> now run:
>
> ldmod hello.ko
>
> dmesg // you should see the Hello text from the printk()
>
> rmmod hello.ko
>
> dmesg // you should see the Goodbye text from printk()
>
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[beagleboard] Re: Adeno Win CE on BeagleBone Black

[CEinTX]

OK, I confirmed with my guy who is doing the ce on BBB and
he is using the HP utility to format the uSD cards and then the
1st file copied to the card is the MLO. Then he copies all the
other files over. This is what is working for him

On Monday, June 9, 2014 9:40:49 AM UTC-5, CEinTX wrote:
>
> Hi All,
>
> I don't remember if it is the same for the BBB as the original BB, but for 
> win ce
> you needed to format the card with the HP USB utility and then the 1st 
> file that
> was copied to the card had to be the mlo. This way it was in the proper 
> location.
> Yes, otherwise the system would not boot.
>
> Hope that helps. If I find it's different I'll let you know.
> Matt
>
> On Monday, June 9, 2014 1:04:16 AM UTC-5, aswincha...@gmail.com wrote:
>>
>> Dear friend,
>>   I also facing the same problem. Just send me if you got the solution.
>> thanks in advance...  
>>
>> On Tuesday, 8 October 2013 12:44:58 UTC+5:30, Ali Asadzadeh wrote:
>>>
>>> Dear all
>>> I have loaded a 4GB SD card with the MLO and EBOOTSD.nb0 and NK.bin that 
>>> comes with the Demo package (AM335X_BeagleBoneBlack_WEC7_BIN_V0131),Also I 
>>> have formatted the card with Fat32 and 4096 byte sectors (using windows 
>>> foarmt), and I have used the TI SD card utility for flashing the SD card, 
>>> Also I have pushed the user button before power up, 
>>> But noting happens!!!
>>> when I power the board up the leds won't flash, and there is no activity 
>>> on the Serial header, So I think it's a boot problem, How can I be sure 
>>> that the MLO is in the first sector of the SD card?
>>> I have loaded angstrom, android and ubunto succsfuly on BeagleBone 
>>> Black, I just want to compare what Win CE has to offer,So If you have 
>>> booted successfully the Adeno Win CE please help me too,
>>>
>>> Regards
>>>
>>

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[beagleboard] Re: Always boot from SD card

[aswinchandran . pp]

Hai friends,
 I have a problem with bbb that is just opposite of yours. I am trying 
to boot wec 7 (have files nk.bin, mlo, ebootsd.nb0) on bbb through sd card. 
but its not booting any way,
I tried it using boot button pressing,hp format tool,ti boot utility. I 
hope that you can answer my question. 
Please reply me with the procedure that you followed.

thanks in advance...

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[beagleboard] Re: beagleboard black rev c does not seem to boot from SD card

[aswinchandran . pp]

   Hi,
 

> Can you send me how (procedure) bbb can boot with wec 7(files- nk.bin, 
> mlo, ebootsd.nb0) through sd card.I tried methords of boot switch,hp and ti 
> utility tools...
> Please send me the correct procedure to boot my bbb..
> thanks in advance...
>

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Re: [beagleboard] Ubuntu on beaglebone black

[Robert Nelson]

On Mon, Jun 9, 2014 at 8:41 AM, Chaitra MohanKumar <
chaitra.mohanku...@tismotech.net> wrote:

> Hello everyone,
>
> I am using Beaglebone Black, I am trying to run UBUNTU 14.04 from the SD
> card. I followed the procedure as mentioned in the website
> http://eewiki.net/display/linuxonarm/BeagleBone#BeagleBone-Ubuntu14.04 to
> burn OS on the SD card.
>
> But when I power on the board, the only thing visible is "LINUX PENGUIN
> LOGO" on the top left corner of the screen as shown in the below figure.
>
>
>- Can I know what is the problem happening to display only this logo?
>
>
>- Is it a boot loader problem or something else?
>
>
> Please let me know what is the problem and also how to resolve it.
>

It looks like it is booting fine, what do you see over serial?

Regards,

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

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Re: [beagleboard] Ubuntu on beaglebone black

[Hari Krishna Malladi]

Does it get stuck there? Tried SSHing into it to rule out a GUI related
issue? It doesnt seem to be a bootloader problem.


On Mon, Jun 9, 2014 at 7:11 PM, Chaitra MohanKumar <
chaitra.mohanku...@tismotech.net> wrote:

> Hello everyone,
>
> I am using Beaglebone Black, I am trying to run UBUNTU 14.04 from the SD
> card. I followed the procedure as mentioned in the website
> http://eewiki.net/display/linuxonarm/BeagleBone#BeagleBone-Ubuntu14.04 to
> burn OS on the SD card.
>
> But when I power on the board, the only thing visible is "LINUX PENGUIN
> LOGO" on the top left corner of the screen as shown in the below figure.
>
>
>- Can I know what is the problem happening to display only this logo?
>
>
>- Is it a boot loader problem or something else?
>
>
> Please let me know what is the problem and also how to resolve it.
>
> Thank you.
>
>
>
> 
>
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[beagleboard] Re: Adeno Win CE on BeagleBone Black

[CEinTX]

Hi All,

I don't remember if it is the same for the BBB as the original BB, but for 
win ce
you needed to format the card with the HP USB utility and then the 1st file 
that
was copied to the card had to be the mlo. This way it was in the proper 
location.
Yes, otherwise the system would not boot.

Hope that helps. If I find it's different I'll let you know.
Matt

On Monday, June 9, 2014 1:04:16 AM UTC-5, aswincha...@gmail.com wrote:
>
> Dear friend,
>   I also facing the same problem. Just send me if you got the solution.
> thanks in advance...  
>
> On Tuesday, 8 October 2013 12:44:58 UTC+5:30, Ali Asadzadeh wrote:
>>
>> Dear all
>> I have loaded a 4GB SD card with the MLO and EBOOTSD.nb0 and NK.bin that 
>> comes with the Demo package (AM335X_BeagleBoneBlack_WEC7_BIN_V0131),Also I 
>> have formatted the card with Fat32 and 4096 byte sectors (using windows 
>> foarmt), and I have used the TI SD card utility for flashing the SD card, 
>> Also I have pushed the user button before power up, 
>> But noting happens!!!
>> when I power the board up the leds won't flash, and there is no activity 
>> on the Serial header, So I think it's a boot problem, How can I be sure 
>> that the MLO is in the first sector of the SD card?
>> I have loaded angstrom, android and ubunto succsfuly on BeagleBone Black, 
>> I just want to compare what Win CE has to offer,So If you have 
>> booted successfully the Adeno Win CE please help me too,
>>
>> Regards
>>
>

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Re: [beagleboard] math.h not working on Ubuntu distribution

[Robert Nelson]

On Sun, Jun 8, 2014 at 4:03 AM,   wrote:
>
> Hi to everybody.
>
> I'm a new beaglebone user. I'm using the Ubuntu Robert C Nelson image
> (http://elinux.org/BeagleBoardDebian#eMMC:_BeagleBone_Black).
>
> I'm trying to uses the math.h library, atan(), asin() and cos() functions.
> But these function doesn't work on my beaglebone. I'm using the
> arm-none-linux-gnueabi crosscompiling tool. I saw that I must include the

Use "arm-none-linux-gnueabihf" on a armhf system.

> -lm option to linking the executable with the library. I have not any
> compiling error neither warning, but the functions listed above doesn't
> work, they return wrong results.
>
> Anyone can help me. How could I make work the math.h library work on the
> beaglebone under ubuntu distribution.

You can also install "build-essential" on the beaglebone

Regards,

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

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Re: [beagleboard] RS232 Cape Rev B for BBB

[Robert Nelson]

On Sun, Jun 8, 2014 at 12:04 PM, Raphael Philipe  wrote:
> Hi there,
>
> Has someone used the new RS232 cape REV B before? Do you have
> references on how to use it?
>
> I need to use it to control a gsm board through AT commands and I have
> no clue where to start.
>
> Is it possible to use the older version of RS232 cape documentation as
> a reference?
>
>
> My basic guess and feelings are that:
> I need to load a device tree overlay in order to set the pinmux, load
> device drivers and the like. After that I will be able to communicate
> with the other device throughout /dev/ttyAS0 and so on. Is that
> correct?

/dev/ttyOx

What jumper position are you currently using?

Regards,

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

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Re: [beagleboard] problem with connecting Beaglebone to the computer

[Robert Nelson]

On Sat, Jun 7, 2014 at 12:55 PM,   wrote:
> I am also have an issue with USB connectivity.  Got a Rev C board today.
> Plugged it into Ubuntu 12.04, plugged in the BBBrC, nothing appeared in the
> log (using dmesg).  Just for kicks pulled USB moused and plugged it back in
> and verified the log entry for the mouse.
>
> It should go without saying that ifconfig -a didn't show another interface
> other than eth0 for my network card and lo.
>
> It seems that there is some issue with Rev C and USB connectivity.  Another
> piece of information, the board was manufactured by Element 14.

I'd first try re-flashing.

http://beagleboard.org/latest-images

I don't know if the element14/embest guys do a 24hour burn in like CircuitCo...

Regards,

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

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Re: [beagleboard] RS232 Cape Rev B for BBB

[André Prado]

Hi I have the same problem.


On Sun, Jun 8, 2014 at 2:04 PM, Raphael Philipe  wrote:

> Hi there,
>
> Has someone used the new RS232 cape REV B before? Do you have
> references on how to use it?
>
> I need to use it to control a gsm board through AT commands and I have
> no clue where to start.
>
> Is it possible to use the older version of RS232 cape documentation as
> a reference?
>
>
> My basic guess and feelings are that:
> I need to load a device tree overlay in order to set the pinmux, load
> device drivers and the like. After that I will be able to communicate
> with the other device throughout /dev/ttyAS0 and so on. Is that
> correct?
>
>
> Thank you!
>
> --
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-- 
Atenciosamente/Regards
André Castelan Prado

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Re: [beagleboard] Always boot from SD card

[Robert Nelson]

On Fri, Jun 6, 2014 at 4:35 PM, Robert Lemon  wrote:
> I actually had some success by removing the MLO file from the eMMC. I wish I
> didn't have to do this however.
> Out of the box rev B and A6A both boot correctly, I wonder what brought upon
> the change for C?

Well, it has a sane boot-loader installed by default now.  It won't
just boot from the microSD, just because the microSD card is present.
Instead it's looking for an uEnv.txt file with a valid variable
"uenvcmd" telling it what to boot from.

If you want the prior arrangement flash the ancient Angstrom image into eMMC.

http://beagleboard.org/latest-images

Regards,

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

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Re: [beagleboard] Always boot from SD card

[Robert Lemon]

I actually had some success by removing the MLO file from the eMMC. I wish
I didn't have to do this however.
Out of the box rev B and A6A both boot correctly, I wonder what brought
upon the change for C?
On Jun 6, 2014 3:59 PM, "Maxim Podbereznyy"  wrote:
>
> clear the boot partition on eMMC?
>
>
> 2014-06-06 21:31 GMT+04:00 :
>>
>> It seems BBB Rev C forces you to press the button to boot from the SD
card. I have been unable to get it to boot from the SD otherwise. Tested on
6 BBB Rev C (what you describe is what I see on Rev B and Rev A6A)
>>
>> On Monday, January 27, 2014 2:59:56 PM UTC-5, john3909 wrote:
>>>
>>>
>>> On 1/27/14, 5:37 AM, "Charles Steinkuehler" 
>>> wrote:
>>>
>>> >On 1/24/2014 6:29 PM, danielduese...@gmail.com wrote:
>>> >> Hello
>>> >>
>>> >> Sorry, purhaps is this already somewere posted, but i can't find a
>>> >>answer:
>>> >>
>>> >> How can i change the settings, that the BB-Black automaticaly always
>>> >>boots
>>> >> from the SD Card? I don't want to press always the boot-button.
>>> >
>>> >The default boot loader in the on-board emmc will look for an SD card
>>> >and try to boot it if found.  The boot button is generally only
>>> >necessary to force booting from the SD card if your emmc gets corrupt.
>>> What you said is mostly correct, but without the button pressed, the
>>> processor loads MLO and u-boot from emmc and the u-boot script checks
to
>>> see if the SDCard is installed and then loads Env.txt, zImage/uImage,
etc
>>> from the SDCard. Pressing the boot button makes the processor load MLO
and
>>> u-boot from the SDCard. This ensures that you cannot brick the BBB.
>>>
>>> Regards,
>>> John
>>> >
>>> >--
>>> >Charles Steinkuehler
>>> >cha...@steinkuehler.net
>>> >
>>> >--
>>> >For more options, visit http://beagleboard.org/discuss
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>>>
>>>
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>
>
>
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[beagleboard] math.h not working on Ubuntu distribution

[franresquin]

Hi to everybody.

I'm a new beaglebone user. I'm using the Ubuntu Robert C Nelson image 
(http://elinux.org/BeagleBoardDebian#eMMC:_BeagleBone_Black).

I'm trying to uses the math.h library, atan(), asin() and cos() functions. 
But these function doesn't work on my beaglebone. I'm using the 
arm-none-linux-gnueabi crosscompiling tool. I saw that I must include the 
-lm option to linking the executable with the library. I have not any 
compiling error neither warning, but the functions listed above doesn't 
work, they return wrong results.

Anyone can help me. How could I make work the math.h library work on the 
beaglebone under ubuntu distribution.

Regards.

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[beagleboard] Re: No server at 192.168.7.2, ping there times out, disk mount O.K., what gives?

[rbaxter85]

How was this resolved?  I think I am running into the same problem.  I just 
got my BeagleBone Black Rev C and tried installing the drivers on OSX 
10.9.3.  Installation of the drivers went fine but I couldn't connect to 
http://192.168.7.2.  I went to my Network Preferences and saw there were a 
bunch of BeagleBone entries but all were modem connections.  I removed them 
all.  When I go to add a new interface I see a bunch of entries for 
beaglebone including BeagleBoneBlack (en5), BeagleBoneBlack 
(usbmodem1d113), and BeagleBoneBlack (usbmodem1d111) (usbmodem1d111).  I 
assume I don't want the usbmodem ones so I try selection BeagleBoneBlack 
(en5) and clicking create, but nothing happens, no new interface is 
created.  Any ideas?



On Wednesday, September 18, 2013 8:19:37 PM UTC-4, ch...@weetopia.com wrote:
>
> I had the same issue. My user account on my MBA13 10.8.4 is a standard 
> user (i.e., non-root).
>
> So I logged in as root (Admin user), and plugged in the BBB, installed the 
> drivers. It worked.
>
> Logged out, rebooted the BBB, and now the USB connection is recognized as 
> USB Ethernet.
>
> I would guess that one of the PRE or POST install scripts requires root 
> privileges to run, and wrapping it in sudo or asking for permissions 
> instead of silently failing is preferable.
>
> cheers
>
> -chris
>
> On Thursday, July 11, 2013 7:08:25 AM UTC-7, Richard Cook wrote:
>>
>> Trying to get BBB on the air via USB using MacBook Pro OS X 10.8.4 
>> without success.
>> Connected O.K. -- LEDs flashing nicely and BEAGLEBONE disk mounts and is 
>> accessible on my desktop.
>> Installed derivers for Mac OS X from the BEAGLEBONE disk. No errors.
>> No server response from 192.168.7.2
>> No response to ping of same address
>>
>> Ran shell script patch included in FTDI directory (do_patch.sh)
>> No server response from 192.168.7.2
>> No response to ping of same address
>>
>> Searched FAQs
>> Nothing relevant found
>>
>> Advice?
>>
>>
>>

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Re: [beagleboard] Rotate screen to portrait on QT (LCD 4D 7')

[mateus . bodanese]

Any solution on  how to build for X11?

Em quinta-feira, 5 de junho de 2014 12h54min13s UTC-3, Andersan Xiley 
escreveu:
>
> Hi,
>
> Could you point me where should I modify the compilation to build for X11? 
> I am using this tutorial:
> http://www.cloud-rocket.com/2013/07/building-qt-for-beaglebone/
> Is it a flag on ./configure?
>
> Best regards
>
> Em quarta-feira, 4 de junho de 2014 03h47min10s UTC-3, lisarden escreveu:
>>
>> it depends on how you build Qt sources. There are a number of options and 
>> you should explicitly specify if you want QWS or X11 support. You can't run 
>> applications built for QWS under X11 and vice versa
>>
>>
>> 2014-06-04 7:02 GMT+04:00 Micka :
>>
>>> How did you got qws working? Normally qt on Debian is not compiled with 
>>> qws... Am I wrong? 
>>>
>>> Micka, 
>>> On Jun 4, 2014 2:01 AM, "Andersan Xiley"  wrote:
>>>
 Hi,

 If I run withou qws, i got this error:

 root@beaglebone:~# ./App 
 QWSSocket::connectToLocalFile could not connect:: No such file or 
 directory
 QWSSocket::connectToLocalFile could not connect:: No such file or 
 directory
 QWSSocket::connectToLocalFile could not connect:: No such file or 
 directory
 QWSSocket::connectToLocalFile could not connect:: No such file or 
 directory
 QWSSocket::connectToLocalFile could not connect:: No such file or 
 directory
 QWSSocket::connectToLocalFile could not connect:: No such file or 
 directory
 No Qt for Embedded Linux server appears to be running.
 If you want to run this program as a server,
 add the "-qws" command-line option.

 Thanks

 Em domingo, 1 de junho de 2014 11h49min01s UTC-3, lisarden escreveu:
>
> Run it without qws. Qws is a self-server mode. When you use x11 server 
> then you don't need the qws option
> 01 Июн 2014 г. 4:23 пользователь "Andersan Xiley"  
> написал:
>
>> Hi,
>>
>> I am able to rotate the screen using the following:
>>
>> opkg install xf86-video-fbdev
>>
>> xorg.conf is:
>>
>> Section "Device"  
>> Identifier  "Frame Buffer"
>> Driver  "fbdev"
>> Option"Rotate""CW"
>> EndSection
>>
>> But when I load my QT application, the screen do not rotate.
>> I am loading the app using:
>>
>> pkill gdm
>> ./App -qws
>>
>> Any idea?
>>
>> Regards
>>
>>
>>  -- 
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>>
>>
>>
>> -- 
>> LinkedIn - http://www.linkedin.com/in/maximpodbereznyy
>> Company - http://www.linkedin.com/company/mentorel
>> Facebook - https://www.facebook.com/mentorel.company
>>  
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Re: [beagleboard] problem with connecting Beaglebone to the computer

[daniel . leroy . landers]

I am also have an issue with USB connectivity.  Got a Rev C board today. 
 Plugged it into Ubuntu 12.04, plugged in the BBBrC, nothing appeared in 
the log (using dmesg).  Just for kicks pulled USB moused and plugged it 
back in and verified the log entry for the mouse.

It should go without saying that ifconfig -a didn't show another interface 
other than eth0 for my network card and lo.

It seems that there is some issue with Rev C and USB connectivity.  Another 
piece of information, the board was manufactured by Element 14.

On Thursday, June 5, 2014 1:33:17 PM UTC-4, Babak akbari wrote:
>
> My pc is running win7-32bit & Ubuntu but both of them can't recognize. :-(
>

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[beagleboard] Re: Ubunru Saucy 13.10 Image Updated: 2014-02-16 is halting the BBB

[colgs3b]

I am experiencing the same thing with 14.04 2014-5-15 from 
rcn-ee.net/deb/flasher, booting from 16GB uSD.  Everything will be fine for 
a while, and then the system goes down for a halt NOW!

On Sunday, May 18, 2014 9:26:49 AM UTC-4, neckTwi wrote:
>
> is the bug alive? where can I post the bugs?
>

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[beagleboard] Re: 1 MBaud rate on uarts

[fastmapper]

I'm unsure how close to the hardware you're working, but it looks like the 
UART baud rate generator is using 13x oversampling when you were expecting 
16x oversampling.  This is controlled by MODESELECT field in the UART's 
MDR1 register.

So long as you're using the standard internal clock rates, the UARTs take a 
48MHz clock as input, divide that down by the divisor you provide (UART 
registers DLH and DLL), then use the resulting clock to oversample each 
pixel period by either 13x or 16x.  Since you are trying to get 1Mbaud, a 
divisor of 3 with 16x oversampling would get you there.  It appears as if 
you have a divisor of 3 with 13x oversampling producing approximately 
1.23Mbaud.

One small change and you may be good to go.

On Friday, June 6, 2014 5:45:39 PM UTC-7, Charles Kerr wrote:
>
> I setup my serial ports on the BBB to have a 1Mbaud rate.  However, when I 
> look at the output on the logic analyzer, I see the baud rate is more like 
> 1.214 MBaud.   This of course is too much deviation for my serial 
> transmission to sync  up.  I tried setting a custom baud rate, and that 
> just fails completely.  I wanted to use all four uarts.  If I need to, I 
> could bit bang it from the PRU (but then limit myself to two versus four). 
>  Is there a way to setup a more accurate baud rate on the BBB? 
>

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[beagleboard] BBB boots to console

[arkazex]

Hi,  Recently I changed a setting on my BBB so that it would boot to the 
angstrom console instead of the GUI, and I can't remember how to manually 
launch the GUI. Could somebody tell me what the command to do that is?  
Thanks.

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[beagleboard] eMMC speed?

[vescovidavid]

I was wondering if anyone has any number comparing the 2GB eMMCs (original 
BBB) and the 4GB (Rev C) eMMC speeds?

They claim it is faster but would like to see proof.

When I compared the Micron 2GB eMMC vs. the SanDisk iNAND parts of the same 
size the SanDisk parts smoked the Micron.

I found boot and R/W times on the Micron parts are awful. So much so even 
some off brand off-the-shelf standalone uSD cards show much faster boot 
times (just the reading phase).



Both the SanDisk and the Micron parts have the Double Data Rate (DDR) 
feature which would speed thing up greatly but this ability on the AM335x 
seems to be broken.

TI claims DDR was not implemented and should never have been included in 
the TRM ..which I see they now have amended.



Any numbers?

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[beagleboard] Re: Adeno Win CE on BeagleBone Black

[aswinchandran . pp]

Dear friend,
  I also facing the same problem. Just send me if you got the solution.
thanks in advance...  

On Tuesday, 8 October 2013 12:44:58 UTC+5:30, Ali Asadzadeh wrote:
>
> Dear all
> I have loaded a 4GB SD card with the MLO and EBOOTSD.nb0 and NK.bin that 
> comes with the Demo package (AM335X_BeagleBoneBlack_WEC7_BIN_V0131),Also I 
> have formatted the card with Fat32 and 4096 byte sectors (using windows 
> foarmt), and I have used the TI SD card utility for flashing the SD card, 
> Also I have pushed the user button before power up, 
> But noting happens!!!
> when I power the board up the leds won't flash, and there is no activity 
> on the Serial header, So I think it's a boot problem, How can I be sure 
> that the MLO is in the first sector of the SD card?
> I have loaded angstrom, android and ubunto succsfuly on BeagleBone Black, 
> I just want to compare what Win CE has to offer,So If you have 
> booted successfully the Adeno Win CE please help me too,
>
> Regards
>

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[beagleboard] wec7 not booting from sd card

[aswinchandran . pp]

Dear all
I have loaded a 4GB SD card with the MLO and EBOOTSD.nb0 and NK.bin that 
comes with the Demo package (AM335X_BeagleBoneBlack_WEC7_BIN_V0131),Also I 
have formatted the card with Fat32 and 4096 byte sectors (using hp foarmat 
tool), and I have used the TI SD card utility for flashing the SD card, 
Also I have pushed the user button before power up, 
But noting happens!!!
when I power the board up the leds won't flash, and there is no activity on 
the Serial header, So I think it's a boot problem, How can I be sure that 
the MLO is in the first sector of the SD card?

I have loaded angstrom, android and ubunto succsfuly on BeagleBone Black, I 
just want to compare what Win CE has to offer,So If you have 
booted successfully the Adeno Win CE please help me too,

Regards

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[beagleboard] Ubuntu on beaglebone black

[Chaitra MohanKumar]

Hello everyone,

I am using Beaglebone Black, I am trying to run UBUNTU 14.04 from the SD 
card. I followed the procedure as mentioned in the website 
http://eewiki.net/display/linuxonarm/BeagleBone#BeagleBone-Ubuntu14.04 to 
burn OS on the SD card.

But when I power on the board, the only thing visible is "LINUX PENGUIN 
LOGO" on the top left corner of the screen as shown in the below figure.


   - Can I know what is the problem happening to display only this logo?


   - Is it a boot loader problem or something else?


Please let me know what is the problem and also how to resolve it.

Thank you.
 



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[beagleboard] Building kernel modules on BBB rev c with Debian

[ec123ec]

Hi,

I have a newer BBB with Debian and am trying to build a hello world kernel 
module.  Does anyone have the recipe for that?  I also have an older BBB 
with 2GB Angstrom.  To build the hello world module on that one, do this:

Create a directory and save a "Makefile" with this text.  Note: 
indentations must be tabs and not spaces:

obj-m += hello.o

all:
  make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules

clean:
  make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean

Now make a file called "hello.c":

/* Source file .c */
/*  hello.c */

#include// Needed by all modules
#include// Needed for KERN_ALERT
#include  // Needed for the macros


static int hello_init(void)
{
   printk(KERN_ALERT "Hello, My module!\n");
   return 0;
}


static void hello_exit(void)
{
   printk(KERN_ALERT "Goodbye, My module!\n");
}

save both files.  Run "make"

Won't compile?  It's because the sock distro doesn't have the kernel 
headers and development environment installed and set up.  Here's what you 
have to do.  This will take about 45 minutes:

opkg update
opkg upgrade

opkg install kernel-headers
opkg install kernel-dev


reboot the BBB

cd  /usr/src/kernel
make scripts
ln -s /usr/src/kernel /lib/modules/`uname -r`/build

re-run:

opkg upgrade// completes silently

run make in the folder with your hello.c and Makefile.

It should build in about 1/2 second and the last line output will be 
something like "leaving kernel..."

now run:

ldmod hello.ko

dmesg // you should see the Hello text from the printk()

rmmod hello.ko

dmesg // you should see the Goodbye text from printk()

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[beagleboard] Re: Send/receive data over USB port via BoneScript

[Jukka Aakula]

I have same issue. I want to read barcode data through USB in Node and than 
parse the data using e.g. zebra module.

Did you get any answer.

Jukka Aakula

On Wednesday, 2 October 2013 19:35:20 UTC+3, nib...@gmail.com wrote:
>
> I'm looking to use my BB Black to send and receive data over its USB port. 
> It seemed like the easiest way to do this would be through the included 
> Cloud9 and BoneScript, but after much searching, I can't find anything 
> obviously tailored to this task.
>
> Is there a library out there than can adapt BoneScript to access the BB's 
> USB port?
>
> Thanks
>

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[beagleboard] Power LED only and no response to debug connection

[Darren McInnes]

Hi Everyone,

I have a problem with one of my three Beaglebone Blacks

after all running successfully for a month one has failed with the 
following symptoms after plugging a formatted uSD card in;

- Removed uSD card!, plugging the same card into another BBB didn't cause 
it to fail.
- Power LED is on but no User LED's 
- No response to Serial connection with debug cable (debug cable checked on 
another BBB)
- Will not boot from uSD or eMMC
- holding down the power button causes the unit to turn off for a second 
then restart.
- VDD_3V3B is present
- SYS_5V is present
- VDD_5V is present
- If power is plugged in the LED immediately turns on
- Will not flash firmware using an image that works on the other BBB


Setup is as follows on all three units;
Debian 7.4 2014-04-23 release running on the eMMC
No capes connected during tests
Powered by 5V power supplies connected to the barrel-jack (max of 510mA 
being drawn, but supply capable of providing up to 3A) less that 1mV ripple 
on load

Hopefully I haven't forgotten anything!


I realize that it is probably borked, but i doubt an RMA will be possible 
as I have soldered a header for battery power to TP5-8 to both.

Best Wishes to all,


Darren  

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Re: [beagleboard] Re: Does pru1 connect to this pin?

[Charles Steinkuehler]

On 6/9/2014 5:16 AM, Charles Kerr wrote:
> 
> One other question if I may.
> 
> In the constants table, it has C24 as the entry for: PRU0/1 Local Data
> 
> and C25 as the entry for: PRU1/0 Local Data
>   
>  Is the 8K data banked in two banks for 4k?
> 
> Just trying to figure out what C25 is referencing.

Look at the addresses for the constants, and refer to the global memory
map.  C24 is for each PRU core's local data memory, mapped at address
0x, and C25 is the _other_ PRU's local memory, mapped at address 0x2000.

-- 
Charles Steinkuehler
char...@steinkuehler.net

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[beagleboard] Using Beaglebone Black as a standalone wifi server/Access Point

[Ashish Prajapati]

Hi,

I want to use my Beaglebone Black as a standalone (not connected to 
internet) wireless server, to which multiple clients can connect and 
request a service.
I googled it out, and found that for this *a usb wifi adapter*, having the 
capability to run in a* Master mode  is required.*
I googled for such usb devices but *could not get a concrete answe*r.


Pls anyone help me on the same and *suggest which usb wifi device* can 
serve my purpose !

Thanks in advance!!



 


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[beagleboard] Re: Does pru1 connect to this pin?

[Charles Kerr]

Thank you so much!  That was what I was thinking!  I think this lets me put 
the last few things together.

One other question if I may.

In the constants table, it has C24 as the entry for: PRU0/1 Local Data

and C25 as the entry for: PRU1/0 Local Data
  
 Is the 8K data banked in two banks for 4k?

Just trying to figure out what C25 is referencing.

On Sunday, June 8, 2014 6:03:51 PM UTC-4, Charles Kerr wrote:
>
> I am almost there, I have pru 0 working ok.
>
> Now, I want to have PRU 1 clocking on a pin as well.  
>
> I noticed in the this this syntax
>
>   pr1_pru0_pru_r30_15
>
>
> Does that mean that both pr1 and pru0 can connect to that header pin at 
> R30.15 ?  Or just pru0?
>
>
> For pru1, do I have to look for pr1_pru1 only?
>
>
> Also, I start up my prus with the standard:
>
> ret = prussdrv_open(PRU_EVTOUT_0);
>
>
> However, most examples have one wait for a pru with the :
>
>
> prussdrv_pru_wait_event (PRU_EVTOUT_0);
>
>
>
> But I have two pru's, and I need to wait twice (that call doesn't have a 
> pru number on it.
>
> Do I need to initialize with another event (init twice) and then have one 
> pru
>
>  trigger that event, and the other trigger the 0 event?
>
>
>
>
>
>   

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Re: [beagleboard] BeagleBone Black web server

[Simon Platten]

Node.js is far better than Apache, ok Apache and other web-servers are a 
bit easier to implement a web-server out of the box, but node.js is so much 
faster and using the same language on the server and client makes life 
easier.  It's worth sticking with node.js.

On Monday, 9 June 2014 03:05:59 UTC+1, William Hermans wrote:
>
> And, I bet Node.js will "smoke" them both. Which still has nothing to do 
> with the OP's question.
>
>
> On Sun, Jun 8, 2014 at 6:46 PM, liyaoshi > 
> wrote:
>
>> Use Default Apache Benchmark within Ubuntu 12.04 on PC
>>
>> See attatch test log file 
>>
>> In static page case , Apache never wins,as I know 
>>
>>
>> 2014-06-09 7:23 GMT+08:00 John Syn >:
>>
>>>
>>> From: William Hermans >
>>> Reply-To: >
>>> Date: Saturday, June 7, 2014 at 8:37 AM
>>> To: >
>>> Subject: Re: [beagleboard] BeagleBone Black web server
>>>
>>> *Apache on arm is not a too good option try lighthttpd ?*
>>>
>>> I haven’t used Apache much, but my understanding is that Apache uses a 
>>> thread per connection which sucks up resources pretty quickly and doesn’t 
>>> scale very well. This is the reason why Node.js is preferred because it is 
>>> single threaded and uses asynchronous I/O so it scales so much better. 
>>> Given the limited resources on the BBB, Node.js is able to support >100x 
>>> connections compared to Apache. I don’t know much about Lighthttpd. 
>>>
>>> Regards,
>>> John
>>>
>>>
>>>
>>> Really ? Care to enlighten us as to why Apache on ARM is no good ? 
>>>
>>>
>>> On Sat, Jun 7, 2014 at 5:19 AM, Don deJuan >> > wrote:
>>>
  darkhttpd and nginx are also good alternatives as well as a few 
 others. 

 On 06/07/2014 04:19 AM, Li926744 wrote:
  
 Apache on arm is not a too good option try lighthttpd ?

 Michael Thompson  编写：

 I flashed Debian to the eMMC and it seems to be working fine. My plan 
 is to host a small web page using Apache. I installed Apache and using the 
 IP address the BeagleBone 101 loads fine from outside my network.

 So, my question is, in what directory do I save my index.html file in 
 order to see it as the default page served by Apache? There are no files 
 in 
 the /var/www/ directory so I am confused. On my Linux Mint (Debian 
 edition) 
 all I had to do was save my index file in the www directory.

 Anyone know where I am going wrong?

 Thanks!!
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For more opti

RE: [beagleboard] B3/Ubuntu disable dhcp and udhcpd for g_multi?

[g4]

> an init script calls:
> 
>  /opt/scripts/boot/am335_evm.sh
>  
> Which sets up the gadget driver for this board.

Thanks. Will investigate.


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Re: [beagleboard] Re: problem with connecting Beaglebone to the computer

[PLyttle]

Did you install the driver on your windows box? It can be found on this 
page: http://beagleboard.org/Getting%20Started
along wit a lot more helpful information.

LP


On Sunday, June 8, 2014 6:00:56 AM UTC+2, Babak akbari wrote:
>
> Thank you for your attention
> But I have another serious problem as I said pc cant recognize it as a usb 
> flash or something.if I want to connect to the network via usb my pc should 
> recognize it as a usb device first.
>

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[beagleboard] Re: Does pru1 connect to this pin?

[TJF]

Just found a typo in my previous post:

   - ret = prussdrv_open(PRU_EVTOUT_1); --> PRU-0 to host

should be

   - ret = prussdrv_open(PRU_EVTOUT_1); --> PRU-1 to host

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[beagleboard] device tree for battery cape

[Eric Fort]

Does a device tree file exist for the battery cape?  if so where may I
download it.  If not, how can I create  it?

Thanks,

Eric

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[beagleboard] Re: Does pru1 connect to this pin?

[TJF]

Each PRUSS has its own set of output (and input) pins:

   - pr1_pru0_pru_... --> PRU-0
   - pr1_pru1_pru_... --> PRU-1


You can open more than one event. Default is:

   - ret = prussdrv_open(PRU_EVTOUT_0); --> PRU-0 to host
   - ret = prussdrv_open(PRU_EVTOUT_1); --> PRU-0 to host

And

   - prussdrv_pru_wait_event (PRU_EVTOUT_0); --> wait for PRU-0
   - prussdrv_pru_wait_event (PRU_EVTOUT_1); --> wait for PRU-1

But it's also possible to customize the event mapping. Up to 8 events are 
available ( /dev/uio[0-7] ).

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[beagleboard] HDMI resolution (TI SDK)

[Morix Dev]

Dear all,
I am playing around with my BeagleBone Black... and I have a problem 
related to framebuffer resolution...

I installed on my BBB the SDK from TI (7.00.00, 
http://processors.wiki.ti.com/index.php/Sitara_Linux_Software_Developer%E2%80%99s_Guide)
 
and I have some problems in settings the resolution on HDMI output...

I am currently booting from SD and I've already tried to modify uEnv.txt on 
the boot partition of the SD card in order to include something like:

omapfb.mode=1024x768@60

but the board (and the Matrix GUI from TI) always starts in 1280x720@60... 
why? How can I force the output to 1024x768@60? Can anybody help me? Thanks!

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