from:"\"bremenpl\""


  
  
I tried that.

W dniu 2015-12-14 o 09:46, Maxim
  Podbereznyy pisze:


  Login as root and test the same
  12 Дек 2015 г. 23:12 пользователь
"bremenpl" <breme...@gmail.com>
написал:

  Hello there,
I have been trying to setup qt enviroment for bbb for a long
time now but it always failed at some point. This time I
have followed exacly every single step in Derek Molloys
tutorial here: http://exploringbeaglebone.com/chapter11/

For now, I am at the point where manually compiled test gui
app is working, but when I compile using Qt Creator i get
messege: undefined symbol: _ZN7QWidget8qwsEventEP8QWSEvent

To fix that, as user stated in the blog I copied whole lib
folder from my qt everywhere folder from host to bbb. But
that not only disallowed me to run the test gui app that was
working before, but also gave me more errors. Now it says I
cannot load library icui18n. It also says "Qt for Embedded
Lnux data directory is not owned by user 0" If i try to run
as root:

This is 

debian@beaglebone:~$
sudo ./tests -qws
  Unable to load library icui18n "Cannot load library icui18n:
(libicui18n.so.52: cannot open shared object file:
No such file or directory)" 
  Qt for Embedded Linux data directory is
  not owned by
user 0
debian@beaglebone:~$ 

  
  

When I run the executable, the app opens for a sec but when
I move my mouse the screen is getting erased and I can see
what is behind it... I dont know if I explain it well
enough... It doesnt work though.

This is a pity and I dont understand why can I compile a
simple qt program with command line and run it but not one
using Qt creator (before i copy the libraries).

I am really desperate right now, I am struggling with this
problem for a long long time. I would really apreciate help.
I am using:
Qt Creator 3.3.2
gnu-eabihf cross compiller
qt-everywhere-opensource-src-4.8.2

My host is:
Linux vm-debian 3.16.0-4-amd64 #1 SMP Debian
3.16.7-ckt11-1+deb8u3 (2015-08-04) x86_64 GNU/Linux

My beagle is:
Linux beaglebone 3.8.13-bone79 #1 SMP Tue Oct 13 20:44:55
UTC 2015 armv7l GNU/Linux

Please help... I will provide all other information that can
help solve this problem.
  
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Re: [beagleboard] Running Qt gui application on BBB

Could you please rephrase what exacly I need to do?

W dniu 2015-12-14 o 12:30, Maxim
Podbereznyy pisze:

strace
14 Дек 2015 г. 11:48 пользователь
"Bremenpl" <breme...@gmail.com>
написал:

I tried that.

W dniu 2015-12-14 o 09:46, Maxim Podbereznyy pisze:

написал:

Hello there,
I have been trying to setup qt enviroment for bbb
for a long time now but it always failed at some
point. This time I have followed exacly every single
step in Derek Molloys tutorial here: http://exploringbeaglebone.com/chapter11/

For now, I am at the point where manually compiled
test gui app is working, but when I compile using Qt
Creator i get messege: undefined symbol:
_ZN7QWidget8qwsEventEP8QWSEvent

To fix that, as user stated in the blog I copied
whole lib folder from my qt everywhere folder from
host to bbb. But that not only disallowed me to run
the test gui app that was working before, but also
gave me more errors. Now it says I cannot load
library icui18n. It also says "Qt for Embedded Lnux
data directory is not owned by user 0" If i try to
run as root:

This is

debian@beaglebone:~$ sudo ./tests -qws
Unable to load library icui18n
"Cannot load
library icui18n: (libicui18n.so.52: cannot
open shared object file: No such file or
directory)"

Qt for Embedded Linux data directory is not owned by user 0
debian@beaglebone:~$

When I run the executable, the app opens for a sec
but when I move my mouse the screen is getting
erased and I can see what is behind it... I dont
know if I explain it well enough... It doesnt work
though.

This is a pity and I dont understand why can I
compile a simple qt program with command line and
run it but not one using Qt creator (before i copy
the libraries).

I am really desperate right now, I am struggling
with this problem for a long long time. I would
really apreciate help.
I am using:
Qt Creator 3.3.2
gnu-eabihf cross compiller
qt-everywhere-opensource-src-4.8.2

My host is:
Linux vm-debian 3.16.0-4-amd64 #1 SMP Debian
3.16.7-ckt11-1+deb8u3 (2015-08-04) x86_64 GNU/Linux

My beagle is:
Linux beaglebone 3.8.13-bone79 #1 SMP Tue Oct 13
20:44:55 UTC 2015 armv7l GNU/Linux

Please help... I will provide all other information
that can help solve this problem.

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Re: [beagleboard] Running Qt gui application on BBB


  
  
Ok, thank you for info. Ill try this today when i get the board
again.

W dniu 2015-12-14 o 13:45, Maxim
  Podbereznyy pisze:


  Install strace utility and run programs like:
  $> strace ./myprog
  It will tell you a lot
  14 Дек 2015 г. 14:33 пользователь
    "Bremenpl" <breme...@gmail.com>
написал:

   Could  you please
rephrase what exacly I need to do?

W dniu 2015-12-14 o 12:30, Maxim Podbereznyy pisze:


  strace
  14 Дек 2015 г. 11:48 пользователь
    "Bremenpl" <breme...@gmail.com>

написал:

   I tried that.

W dniu 2015-12-14 o 09:46, Maxim Podbereznyy
  pisze:


  Login as root and test the same
  12 Дек 2015 г. 23:12
    пользователь "bremenpl" <breme...@gmail.com>
написал:

  Hello there,
I have been trying to setup qt enviroment
for bbb for a long time now but it always
failed at some point. This time I have
followed exacly every single step in Derek
Molloys tutorial here: http://exploringbeaglebone.com/chapter11/

For now, I am at the point where manually
compiled test gui app is working, but when I
compile using Qt Creator i get messege:
undefined symbol:
_ZN7QWidget8qwsEventEP8QWSEvent

To fix that, as user stated in the blog I
copied whole lib folder from my qt
everywhere folder from host to bbb. But that
not only disallowed me to run the test gui
app that was working before, but also gave
me more errors. Now it says I cannot load
library icui18n. It also says "Qt for
Embedded Lnux data directory is not owned by
user 0" If i try to run as root:

This is 

debian@beaglebone:~$ sudo ./tests -qws
  Unable to load library
icui18n "Cannot load
library icui18n: (libicui18n.so.52:
cannot open shared object file: No
such file or directory)" 
  Qt for Embedded Linux data directory is not owned by user 0
debian@beaglebone:~$ 

  
  

When I run the executable, the app opens for
a sec but when I move my mouse the screen is
getting erased and I can see what is behind
it... I dont know if I explain it well
enough... It doesnt work though.

This is a pity and I dont understand why can
I compile a simple qt program with command
line and run it but not one using Qt creator
(before i copy the libraries).

I am really desperate right now, I am
struggling with this problem for a long long
time. I would really apreciate help.
I am using:
Qt Creator 3.3.2
gnu-eabihf cross compiller
qt-everywhere-opensource-src-4.8.2

My host is:
Linux vm-debian 3.16.0-4-amd64 #1 SMP Debian
3.16.7-ckt11-1+deb8u3 (2015-08-04) x86_64
GNU/Linux

My beagle is:
Linux beaglebone 3.8.13-bone79 #1 SMP Tue
Oct 13 20:44:55 UTC 2015 armv7l GNU/Linux

Please help... I will

Re: [beagleboard] Re: Running Qt gui application on BBB


  
  
Hello guys,
I decided to unmess all the configs I had before and do everything
exacly step by step and after that use your advice. I will post
asap. Thank you again.

W dniu 2015-12-14 o 16:02, Cleiton
  Bueno pisze:


  Execute:

sudo ldd tests > libs.log

Post here content libs.log.

I think it's dependency lib or version.



  Att,
Cleiton Bueno

Blog
  | Linkedin | Portal Embarcados 




  
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Re: [beagleboard] Re: Running Qt gui application on BBB


  
  
In the end, I need to compile on host machine and send executable to
target. I dont know if everything will be compatible then. I could
install full versions here and here maybe.

Also, I also wonder how long will building qy take. For my pc it
took like 1h

W dniu 2015-12-14 o 21:55, Maxim
  Podbereznyy pisze:


  you can also compile Qt on the target although it
will take insane amount of time. But it will be 100% operational
  
2015-12-14 23:14 GMT+03:00 Bremenpl <breme...@gmail.com>:
  
 Hello guys,
  I decided to unmess all the configs I had before and do
  everything exacly step by step and after that use your
  advice. I will post asap. Thank you again.
  
  W dniu 2015-12-14 o 16:02, Cleiton Bueno pisze:
  
  
  Execute:

sudo ldd tests > libs.log

Post here content libs.log.

I think it's dependency lib or version.



  Att,
Cleiton Bueno

Blog | Linkedin | Portal Embarcados 




  
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Re: [beagleboard] Re: Running Qt gui application on BBB


  
  
In that case i cant do it. I am already late with my university
project. I need to turn on my Qt app on BeagleBone Black with 4D
systems 7 inch LCD asap...

W dniu 2015-12-14 o 22:08, William
  Hermans pisze:


  

  
Also, I also wonder how long will
building qy take. For my pc it took like 1h


  
  You could always purchase an ARM multi core build system. A
  few here seemed have have used the wanderboard with good
  success. But now the X15 hopefully won't be too far off, and
  is supposed to be considerably faster.
  

Anyhow, natively on the BBB, building would probably take half a
day or more if 1h on a decent cross compile system. Not to
mention you would possibly need to setup a swap disk on external
media. For instance, compiling Wireshark natively took several
hours, and required my buddy here to use an external USB drive
as a swap disk . . . 

  

  
  
On Mon, Dec 14, 2015 at 1:58 PM,
  Bremenpl <breme...@gmail.com>
  wrote:
  
 In the end, I need to
  compile on host machine and send executable to target. I
  dont know if everything will be compatible then. I could
  install full versions here and here maybe.
  
  Also, I also wonder how long will building qy take. For my
  pc it took like 1h

W dniu 2015-12-14 o 21:55, Maxim Podbereznyy pisze:

  
  
you can also compile Qt on the target
  although it will take insane amount of time. But it
  will be 100% operational

  

  2015-12-14 23:14
    GMT+03:00 Bremenpl <breme...@gmail.com>:

   Hello
guys,
I decided to unmess all the configs I had
before and do everything exacly step by step
and after that use your advice. I will post
asap. Thank you again.

W dniu 2015-12-14 o 16:02, Cleiton
  Bueno pisze:


Execute:
  
  sudo ldd tests > libs.log
  
  Post here content libs.log.
  
  I think it's dependency lib or
  version.
  
  
  
Att,
  Cleiton Bueno
  
  Blog | Linkedin |
Portal
  Embarcados 
  
  
  
  

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Re: [beagleboard] Running Qt gui application on BBB


  
  
I cant change the board right now, it has to be BeagleBone Black.
Thats why I need to build on my host. Did you succed on installing
QT5.1 and deploying it to BeagleBone Black? Maybe I should use it
instead of 4.8.6 if its easier?

W dniu 2015-12-14 o 22:50, John Syne
  pisze:


  
  If you search for this mailing list for "QT5.1.1 running on BeagleBoneBlack”, I
describe building QT5 on the BBB. 
  

  Here is what I
  said back then:
  

  
QT: git://gitorious.org/qt/qt5.git
Branch: v5.1.1
BBB #>./init-repository
BBB #>make
Takes about 40 hours to build
BBB #>make install
Takes about 2 hours to install


I agree with William, you are better off using a quad
  core board or something similar. 

  
Regards,
John





  
  
  

  On Dec 14, 2015, at 1:12 PM, Bremenpl <breme...@gmail.com>
wrote:
  
  In that
  case i cant do it. I am already late with my
  university project. I need to turn on my Qt app on
  BeagleBone Black with 4D systems 7 inch LCD asap...

W dniu 2015-12-14 o 22:08,
  William Hermans pisze:


  

  
Also, I also wonder how long will
building qy take. For my pc it took like 1h


  
  You could always purchase an ARM multi core build
  system. A few here seemed have have used the
  wanderboard with good success. But now the X15
  hopefully won't be too far off, and is supposed to
  be considerably faster.
  

Anyhow, natively on the BBB, building would probably
take half a day or more if 1h on a decent cross
compile system. Not to mention you would possibly
need to setup a swap disk on external media. For
instance, compiling Wireshark natively took several
hours, and required my buddy here to use an external
USB drive as a swap disk . . . 

  

  
  
On Mon, Dec 14, 2015 at
  1:58 PM, Bremenpl <breme...@gmail.com> wrote:
  
In
  the end, I need to compile on host machine and
  send executable to target. I dont know if
  everything will be compatible then. I could
  install full versions here and here maybe.
  
  Also, I also wonder how long will building qy
  take. For my pc it took like 1h

W dniu 2015-12-14 o 21:55,
  Maxim Podbereznyy pisze:

  
  
you can also compile
  Qt on the target although it will take
  insane amount of time. But it will be 100%
  operational

  

  2015-12-14
    23:14 GMT+03:00 Bremenpl <breme...@gmail.com>:

  Hello
guys,
I decided to unmess all the
configs I had before and do
everything exacly step by step
and after that use your advice.
I will post asap. Thank you
again.

W dniu 2015-12-14
  o 16:02, Cleiton Bueno pisze:


Execute:

Re: [beagleboard] Running Qt gui application on BBB

So if I crosscompile Qt 5.3.2 on linux host, I will be able to build on 
host and deploy a working executable to target?


W dniu 2015-12-14 o 22:54, Robert Nelson pisze:

On Mon, Dec 14, 2015 at 3:53 PM, Bremenpl  wrote:

I cant change the board right now, it has to be BeagleBone Black. Thats why
I need to build on my host. Did you succed on installing QT5.1 and deploying
it to BeagleBone Black? Maybe I should use it instead of 4.8.6 if its
easier?

The lxqt snapshot images:

http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#Debian_Image_Testing_Snapshots

ship with QT 5.3.2

Regards,



--
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Re: [beagleboard] Running Qt gui application on BBB

The point is I dont want to write code on the BeagleBone Black itself. 
Is it, lets say, possible to remote debug in qtcreator on host machine, 
but build on beagle? That is the case. I have always done it like this 
in eclipse:


build on host,
scp to beagle
remote run/ debug

Would this work in this case?

W dniu 2015-12-14 o 23:04, Robert Nelson pisze:

On Mon, Dec 14, 2015 at 3:58 PM, Bremenpl  wrote:

So if I crosscompile Qt 5.3.2 on linux host, I will be able to build on host
and deploy a working executable to target?

Why are you wasting time cross-compiling? Just build on the bbb... All
the QT 5.3.2 libraries are available for you to install..

Regards,



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Re: [beagleboard] Running Qt gui application on BBB

Yes but in that case I would have to program for hours on BeagleBone 
Black... The point is, can I remote debug in this configuration?


W dniu 2015-12-14 o 23:10, Robert Nelson pisze:

On Mon, Dec 14, 2015 at 4:09 PM, Bremenpl  wrote:

The point is I dont want to write code on the BeagleBone Black itself. Is
it, lets say, possible to remote debug in qtcreator on host machine, but
build on beagle? That is the case. I have always done it like this in
eclipse:

build on host,
scp to beagle
remote run/ debug

Would this work in this case?

Just export your qtcreator project with the ".pro" file, tar it up,
copy to bbb, extract and run qmake

Regards,




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Re: [beagleboard] Running Qt gui application on BBB

John I know this tutorial, but it assums crossxompiling. I need to have 
the executable on both targets then.


Robert, I cannot test on my host, because its different enviroment with 
different hardware.


W dniu 2015-12-14 o 23:11, John Syne pisze:

http://derekmolloy.ie/beaglebone/qt-with-embedded-linux-on-the-beaglebone/

Regards,
John





On Dec 14, 2015, at 2:09 PM, Bremenpl  wrote:

The point is I dont want to write code on the BeagleBone Black itself. Is it, 
lets say, possible to remote debug in qtcreator on host machine, but build on 
beagle? That is the case. I have always done it like this in eclipse:

build on host,
scp to beagle
remote run/ debug

Would this work in this case?

W dniu 2015-12-14 o 23:04, Robert Nelson pisze:

On Mon, Dec 14, 2015 at 3:58 PM, Bremenpl  wrote:

So if I crosscompile Qt 5.3.2 on linux host, I will be able to build on host
and deploy a working executable to target?

Why are you wasting time cross-compiling? Just build on the bbb... All
the QT 5.3.2 libraries are available for you to install..

Regards,


--
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Re: [beagleboard] Running Qt gui application on BBB


But wont I need the executable on both targets to gdb to work over tcp/ip?

W dniu 2015-12-14 o 23:13, Robert Nelson pisze:

On Mon, Dec 14, 2015 at 4:13 PM, Bremenpl  wrote:

Yes but in that case I would have to program for hours on BeagleBone
Black... The point is, can I remote debug in this configuration?

gdb can communicate over tcp/ip..

Regards,



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Re: [beagleboard] Running Qt gui application on BBB

Okay, I think I figured it out, but it would be a bit messy... So lets 
say I would have a postbuild script on my host, that after each 
succesfull build would scp over all .h and .c files to BeagleBone Black 
and build on the target as well (ssh command).


But then again, for gdb-multiarch I need to provide an executable on the 
host. So if I am building on target device, do I need to download the 
built executable back to host...?


W dniu 2015-12-14 o 23:13, Robert Nelson pisze:

On Mon, Dec 14, 2015 at 4:13 PM, Bremenpl  wrote:

Yes but in that case I would have to program for hours on BeagleBone
Black... The point is, can I remote debug in this configuration?

gdb can communicate over tcp/ip..

Regards,



--
Bremenpl

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Re: [beagleboard] Running Qt gui application on BBB

Okay guys, atm I am donwloading the lxqt image. AT first I will try to 
open the app on the BeagleBone Black itself. But after that works I need 
to figure out how to remote debug while building on beagle instead of 
cross compile on host.
Could you please only clarify my thoughts about it? If gdb-multiarch 
needs crosscompiled executable, how do I use it if I dont download the 
executable from target like you said i dont?


W dniu 2015-12-14 o 23:23, John Syne pisze:

Regards,
John





On Dec 14, 2015, at 2:23 PM, Bremenpl  wrote:

Okay, I think I figured it out, but it would be a bit messy... So lets say I 
would have a postbuild script on my host, that after each succesfull build 
would scp over all .h and .c files to BeagleBone Black and build on the target 
as well (ssh command).

But then again, for gdb-multiarch I need to provide an executable on the host. 
So if I am building on target device, do I need to download the built 
executable back to host…?

No

W dniu 2015-12-14 o 23:13, Robert Nelson pisze:

On Mon, Dec 14, 2015 at 4:13 PM, Bremenpl  wrote:

Yes but in that case I would have to program for hours on BeagleBone
Black... The point is, can I remote debug in this configuration?

gdb can communicate over tcp/ip..

Regards,


--
Bremenpl

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Re: [beagleboard] Running Qt gui application on BBB


Ahh., thats the way, you are right...
Thank you for all the support guys, I really mean it! Hope to get it 
working in a while if i wont fall asleep on my desk!



On December 14, 2015 11:55:59 PM John Syne  wrote:




On Dec 14, 2015, at 2:34 PM, Bremenpl  wrote:

Okay guys, atm I am donwloading the lxqt image. AT first I will try to open 
the app on the BeagleBone Black itself. But after that works I need to 
figure out how to remote debug while building on beagle instead of cross 
compile on host.
Could you please only clarify my thoughts about it? If gdb-multiarch needs 
crosscompiled executable, how do I use it if I dont download the executable 
from target like you said i dont?
On BBB you run gdbserver. On your host, you run gdb and then remote connect 
to your gdbserver. Watch Derrek Molloy’s chapter 7 video I gave you, 
starting at about 30 minutes.


Regards,
John


W dniu 2015-12-14 o 23:23, John Syne pisze:

Regards,
John





On Dec 14, 2015, at 2:23 PM, Bremenpl  wrote:

Okay, I think I figured it out, but it would be a bit messy... So lets say 
I would have a postbuild script on my host, that after each succesfull 
build would scp over all .h and .c files to BeagleBone Black and build on 
the target as well (ssh command).


But then again, for gdb-multiarch I need to provide an executable on the 
host. So if I am building on target device, do I need to download the built 
executable back to host…?

No

W dniu 2015-12-14 o 23:13, Robert Nelson pisze:

On Mon, Dec 14, 2015 at 4:13 PM, Bremenpl  wrote:

Yes but in that case I would have to program for hours on BeagleBone
Black... The point is, can I remote debug in this configuration?

gdb can communicate over tcp/ip..

Regards,


--
Bremenpl

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Re: [beagleboard] Running Qt gui application on BBB


  
  
So if I understand correctly, I should have a second board that is
more powerfull than beagle just to compile the code for beagle?

W dniu 2015-12-15 o 00:26, William
  Hermans pisze:


  

  
I cant change the board right now,
it has to be BeagleBone Black. Thats why I need to build
on my host. Did you succed on installing QT5.1 and
deploying it to BeagleBone Black? Maybe I should use it
instead of 4.8.6 if its easier?


  
  No one was saying change boards. Use the same board, but use a
  faster, more powerful ARM board to compile native ARM
  executable. The reasons are simple. No need to mess with cross
  compiling, which in many cases is messy, and sometimes near
  impossible.
  

You don't think Robert spends days, or weeks compiling packages
do you ? But why don't we ask Robert. Robert, hey what
percentage of the packages you build are compiled native to ARM,
from some sort of beefy ARM board? I'm guessing nearly 100% if
not 100% but . . .
  
  
On Mon, Dec 14, 2015 at 4:00 PM,
      Bremenpl <breme...@gmail.com>
  wrote:
  Ahh.,
thats the way, you are right...
Thank you for all the support guys, I really mean it! Hope
to get it working in a while if i wont fall asleep on my
desk!

  


On December 14, 2015 11:55:59 PM John Syne <john3...@gmail.com>
wrote:

  


  

  
  
On Dec 14, 2015, at 2:34 PM, Bremenpl <breme...@gmail.com>
wrote:

Okay guys, atm I am donwloading the lxqt image. AT
first I will try to open the app on the BeagleBone
Black itself. But after that works I need to figure
out how to remote debug while building on beagle
instead of cross compile on host.
Could you please only clarify my thoughts about it?
If gdb-multiarch needs crosscompiled executable, how
do I use it if I dont download the executable from
target like you said i dont?
  
  On BBB you run gdbserver. On your host, you run gdb
  and then remote connect to your gdbserver. Watch
  Derrek Molloy’s chapter 7 video I gave you, starting
  at about 30 minutes.
  
  Regards,
  John
  

W dniu 2015-12-14 o 23:23, John Syne pisze:

  Regards,
  John
  
  
  
  
  
On Dec 14, 2015, at 2:23 PM, Bremenpl <breme...@gmail.com>
wrote:

Okay, I think I figured it out, but it would be
a bit messy... So lets say I would have a
postbuild script on my host, that after each
succesfull build would scp over all .h and .c
files to BeagleBone Black and build on the
target as well (ssh command).

But then again, for gdb-multiarch I need to
provide an executable on the host. So if I am
building on target device, do I need to download
the built executable back to host…?
  
  No
  
W dniu 2015-12-14 o 23:13, Robert Nelson pisze:

  On Mon, Dec 14, 2015 at 4:13 PM, Bremenpl <breme...@gmail.com>
  wrote:
  
Yes but in that case I would have to program
for hours on BeagleBone
Black... The point is, can I remote debug in
this configuration?
  
  gdb can communicate over tcp/ip..
  
  Regards,
  

    --
Bremenpl

--
For more

Re: [beagleboard] Running Qt gui application on BBB


  
  
Where I live (Szczecin, noth-west Poland) I think this board is
worth about 30-40 hours of specialist work. The idea of compiling on
a system that is simmilar to target sound ok to me, it makes sense
that you dont need to crosscompile- But is that more comfortable for
work? In a crosscompilation enviroment all I need to do is press
debug and it runs. In this case there would have to be some kind of
chain where files fly from my pc, through strong arm board to the
beagle. But i gues you can automate that at some point.

W dniu 2015-12-15 o 00:54, William
  Hermans pisze:


  
Not necessarily, but consider this. How much does an
  embedded systems specialist in your area get paid per hour ?
  In my area, about 15-20 years ago. The cost of a board like
  the X15 would have been absorbed in roughly half a day. That
  is to say, an embedded systems specialist could buy a board
  for $239 after working roughly half a day. 
  

Now take into account that figuring out how to cross compile
something like this is a serious headache, and often takes days,
if not weeks to get right . . .
  
  
On Mon, Dec 14, 2015 at 4:32 PM,
  Bremenpl <breme...@gmail.com>
  wrote:
  
 So if I understand
  correctly, I should have a second board that is more
  powerfull than beagle just to compile the code for beagle?
  
  W dniu 2015-12-15 o 00:26, William Hermans pisze:
  
  

  

  

  I cant change the
  board right now, it has to be BeagleBone
  Black. Thats why I need to build on my
  host. Did you succed on installing QT5.1
  and deploying it to BeagleBone Black?
  Maybe I should use it instead of 4.8.6 if
  its easier?
  
  

No one was saying change boards. Use the same
board, but use a faster, more powerful ARM board
to compile native ARM executable. The reasons
are simple. No need to mess with cross
compiling, which in many cases is messy, and
sometimes near impossible.

  
  You don't think Robert spends days, or weeks
  compiling packages do you ? But why don't we ask
  Robert. Robert, hey what percentage of the
  packages you build are compiled native to ARM,
  from some sort of beefy ARM board? I'm guessing
  nearly 100% if not 100% but . . .


  On Mon, Dec 14, 2015 at
4:00 PM, Bremenpl <breme...@gmail.com>
wrote:
Ahh., thats the way,
  you are right...
  Thank you for all the support guys, I really
  mean it! Hope to get it working in a while if
  i wont fall asleep on my desk!
  

  
  
  On December 14, 2015 11:55:59 PM John Syne
  <john3...@gmail.com>

  wrote:
  

  
  

   
 On Dec 14,
      2015, at 2:34 PM, Bremenpl <breme...@gmail.com>

  wrote:
  
  Okay guys, atm I am donwloading the
  lxqt image. AT first I will try to
  open the app on the BeagleBone Black
  itself. But after that works I need to
  figure out how to remote debug while
  building on beagle instead of cross
  compile on host.
  Could you please only clarify my
  thoughts about it? If gdb-multiarch
  needs crosscompiled executable, how do

Re: [beagleboard] Running Qt gui application on BBB


  
  
I have just flashed my BeagleBone Black emmc  with lxqt image linked
by Robert. I cant seem to find qmake anywhere. I thought there would
be qt installed and all. Am I missing something again?

W dniu 2015-12-15 o 00:54, William
  Hermans pisze:


  
Not necessarily, but consider this. How much does an
  embedded systems specialist in your area get paid per hour ?
  In my area, about 15-20 years ago. The cost of a board like
  the X15 would have been absorbed in roughly half a day. That
  is to say, an embedded systems specialist could buy a board
  for $239 after working roughly half a day. 
  

Now take into account that figuring out how to cross compile
something like this is a serious headache, and often takes days,
if not weeks to get right . . .
  
  
On Mon, Dec 14, 2015 at 4:32 PM,
  Bremenpl <breme...@gmail.com>
  wrote:
  
 So if I understand
  correctly, I should have a second board that is more
  powerfull than beagle just to compile the code for beagle?
  
  W dniu 2015-12-15 o 00:26, William Hermans pisze:
  
  

  

  

  I cant change the
  board right now, it has to be BeagleBone
  Black. Thats why I need to build on my
  host. Did you succed on installing QT5.1
  and deploying it to BeagleBone Black?
  Maybe I should use it instead of 4.8.6 if
  its easier?
  
  

No one was saying change boards. Use the same
board, but use a faster, more powerful ARM board
to compile native ARM executable. The reasons
are simple. No need to mess with cross
compiling, which in many cases is messy, and
sometimes near impossible.

  
  You don't think Robert spends days, or weeks
  compiling packages do you ? But why don't we ask
  Robert. Robert, hey what percentage of the
  packages you build are compiled native to ARM,
  from some sort of beefy ARM board? I'm guessing
  nearly 100% if not 100% but . . .


  On Mon, Dec 14, 2015 at
4:00 PM, Bremenpl <breme...@gmail.com>
wrote:
Ahh., thats the way,
  you are right...
  Thank you for all the support guys, I really
  mean it! Hope to get it working in a while if
  i wont fall asleep on my desk!
  

  
  
  On December 14, 2015 11:55:59 PM John Syne
  <john3...@gmail.com>

  wrote:
  

  
  

   
 On Dec 14,
      2015, at 2:34 PM, Bremenpl <breme...@gmail.com>

  wrote:
  
  Okay guys, atm I am donwloading the
  lxqt image. AT first I will try to
  open the app on the BeagleBone Black
  itself. But after that works I need to
  figure out how to remote debug while
  building on beagle instead of cross
  compile on host.
  Could you please only clarify my
  thoughts about it? If gdb-multiarch
  needs crosscompiled executable, how do
  I use it if I dont download the
  executable from target like you said i
  dont?

On BBB you run gdbserver. On your host,
you run gdb and then remote connect to

Re: [beagleboard] Running Qt gui application on BBB


  
  
I understand. Well, I did have some little experience with
crosscompiling std projects and wiritng in eclipse thanks to Derek
Molloys tutorials. All my problems really started when I had to use
Qt for beagle. And yes I cant say Im a pro at this stuff...

The idea with a separate board is good I think, I will definetly
look for a strong and cheap one. i have never thought of doing it
this way though, I always thought people use QEMU and etc.

Thank you for your advices, I really am gratefull for the time.

W dniu 2015-12-15 o 01:14, William
  Hermans pisze:


  
Where
I live (Szczecin, noth-west Poland) I think this board is
worth about 30-40 hours of specialist work. The idea of
compiling on a system that is simmilar to target sound ok to
me, it makes sense that you dont need to crosscompile- 


The boards do not even have to be similar. They just need to be
able to support the same ABI. Which in the case of both the
Beaglebone Black, and the X15( and wanderboard plus countless
others ). They just need to support the armhf ABI. armv7 outside
of the Debian world.

  But
  is that more comfortable for work? In a crosscompilation
  enviroment all I need to do is press debug and it runs. In
  this case there would have to be some kind of chain where
  files fly from my pc, through strong arm board to the
  beagle. But i gues you can automate that at some point.
  
  

Let me put it this way. I'm fairly experienced when it
  comes to working with this sort of thing. With that said, I
  would not cross compile Qt. There are lots of things I would
  not cross compile. For instance, my buddy came to me asking
  advice on how to cross compile Wireshark for the Beaglebone
  black, then he probably wondered why I was looking at him
  crazy . . . My suggestion after finding out he was running out
  of memory was to hook up a USB hard drive, and use it as a
  swap disk. This worked fine for him. He did not mind waiting
  several hours for the binary to compile.
  

Anyway, my point there is that there are many ways to do
  the same thing. All should be taken into consideration. But
  what experience has taught me over the years. Cross compiling
  should be the very last resort. Unless you happen to find a
  very good guide. So considering that you seem to be fairly
  inexperienced. Yes, I think you should consider buying a board
  to help with your development. Especially considering you have
  a grade riding on your projects outcome.

  
  
On Mon, Dec 14, 2015 at 5:02 PM,
  Bremenpl <breme...@gmail.com>
  wrote:
  
 Where I live
  (Szczecin, noth-west Poland) I think this board is worth
  about 30-40 hours of specialist work. The idea of
  compiling on a system that is simmilar to target sound ok
  to me, it makes sense that you dont need to crosscompile-
  But is that more comfortable for work? In a
  crosscompilation enviroment all I need to do is press
  debug and it runs. In this case there would have to be
  some kind of chain where files fly from my pc, through
  strong arm board to the beagle. But i gues you can
  automate that at some point.
  
  W dniu 2015-12-15 o 00:54, William Hermans pisze:
  
  

  

  Not necessarily, but consider this. How much
does an embedded systems specialist in your area
get paid per hour ? In my area, about 15-20
years ago. The cost of a board like the X15
would have been absorbed in roughly half a day.
That is to say, an embedded systems specialist
could buy a board for $239 after working roughly
half a day. 

  
  Now take into account that figuring out how to
  cross compile something like this is a serious
  headache, and often takes days, if not weeks to
  get right . . .


  On Mon, Dec 14, 2015 at
    4:32 PM, Bremenpl <breme...@gmail.com>
wrote:

   So if I
und

Re: [beagleboard] Running Qt gui application on BBB


  
  
Okay, thank :P. I am quite sure raspberry pi is not hard float.

W dniu 2015-12-15 o 01:21, William
  Hermans pisze:


  
So just thinking for a minute. A Raspberry PI 2, the new
  board with quad cores, and 1 GB ram would probably work fairly
  decent as a build system for the Beaglebones. Granted,
  something like the X15, of that new nVidia ARM board, or even
  the Omelex A20 board with SATA would probably be a much better
  choice if cost is not a problem.
  

By the way, I have no idea what Robert is talking about. You
need to ask him.
  
  
On Mon, Dec 14, 2015 at 5:15 PM,
  Bremenpl <breme...@gmail.com>
  wrote:
  
 I have just flashed
  my BeagleBone Black emmc  with lxqt image linked by
  Robert. I cant seem to find qmake anywhere. I thought
  there would be qt installed and all. Am I missing
  something again?
  
  W dniu 2015-12-15 o 00:54, William Hermans pisze:
  
  

  

  Not necessarily, but consider this. How much
does an embedded systems specialist in your area
get paid per hour ? In my area, about 15-20
years ago. The cost of a board like the X15
would have been absorbed in roughly half a day.
That is to say, an embedded systems specialist
could buy a board for $239 after working roughly
half a day. 

  
  Now take into account that figuring out how to
  cross compile something like this is a serious
  headache, and often takes days, if not weeks to
  get right . . .


  On Mon, Dec 14, 2015 at
4:32 PM, Bremenpl <breme...@gmail.com>
wrote:

   So if I
understand correctly, I should have a second
board that is more powerfull than beagle
just to compile the code for beagle?

W dniu 2015-12-15 o 00:26, William
  Hermans pisze:


  

  

  
I cant
change the board right now,
it has to be BeagleBone
Black. Thats why I need to
build on my host. Did you
succed on installing QT5.1
and deploying it to
BeagleBone Black? Maybe I
should use it instead of
4.8.6 if its easier?


  
  No one was saying change boards.
  Use the same board, but use a
  faster, more powerful ARM board to
  compile native ARM executable. The
  reasons are simple. No need to
  mess with cross compiling, which
  in many cases is messy, and
  sometimes near impossible.
  

You don't think Robert spends days,
or weeks compiling packages do you ?
But why don't we ask Robert. Robert,
hey what percentage of the packages
you build are compiled native to
ARM, from some sort of beefy ARM
board? I'm guessing nearly 100% if
not 100% but . . .
  
  
On Mon, Dec

Re: [beagleboard] Running Qt gui application on BBB


  
  
I think there is a good reason to get one then. If it only had on
board memory it would be nearly as cool as beagle.

W dniu 2015-12-15 o 01:25, William
  Hermans pisze:


  https://www.adafruit.com/product/2358
  
  
On Mon, Dec 14, 2015 at 5:23 PM,
  William Hermans <yyrk...@gmail.com>
  wrote:
  
The new board is armv7. Positively.


  

  On Mon, Dec 14, 2015 at 5:24
    PM, Bremenpl <breme...@gmail.com>
wrote:

   Okay, thank
:P. I am quite sure raspberry pi is not hard
float.

W dniu 2015-12-15 o 01:21, William Hermans
  pisze:


  

  
So just thinking for a minute. A
  Raspberry PI 2, the new board with
  quad cores, and 1 GB ram would
  probably work fairly decent as a build
  system for the Beaglebones. Granted,
  something like the X15, of that new
  nVidia ARM board, or even the Omelex
  A20 board with SATA would probably be
  a much better choice if cost is not a
  problem.
  

By the way, I have no idea what Robert
is talking about. You need to ask him.
  
  
On Mon, Dec 14,
  2015 at 5:15 PM, Bremenpl <breme...@gmail.com>
  wrote:
  
 I have just
  flashed my BeagleBone Black emmc 
  with lxqt image linked by Robert.
  I cant seem to find qmake
  anywhere. I thought there would be
  qt installed and all. Am I missing
  something again?
  
  W dniu 2015-12-15 o 00:54,
William Hermans pisze:
  
  

  

  Not necessarily, but
consider this. How much
does an embedded systems
specialist in your area
get paid per hour ? In
my area, about 15-20
years ago. The cost of a
board like the X15 would
have been absorbed in
roughly half a day. That
is to say, an embedded
systems specialist could
buy a board for $239
after working roughly
half a day. 

  
  Now take into account that
  figuring out how to cross
  compile something like
  this is a serious
  headache, and often takes
  days, if not weeks to get
  right . . .


  On
Mon, Dec 14, 2015 at
    4:32 PM, Bremenpl <breme...@gmail.com>

Re: [beagleboard] Running Qt gui application on BBB

Yes this board would be something more I would use. I had some
experience with it and I think I could get one of my university.
Thanks.

W dniu 2015-12-15 o 01:29, William
Hermans pisze:

Anyway, the main problem with the rPI 2 is that it
has no "fast" non destructive storage. But the Omilex . . let me
look it up.

https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXIno-LIME2-4GB/open-source-hardware
Has SATA and GbE both. Dual cores too I think. However, you'd
have to ask someone who has one how well they think it would
work as a build board. RObert might know, as his Debian build
guide also includes this board too I believe.

On Mon, Dec 14, 2015 at 5:25 PM,
William Hermans <yyrk...@gmail.com>
wrote:

https://www.adafruit.com/product/2358

On Mon, Dec 14, 2015 at 5:23
PM, William Hermans <yyrk...@gmail.com>
wrote:

The new board is armv7. Positively.

On Mon, Dec 14,
2015 at 5:24 PM, Bremenpl <breme...@gmail.com>
wrote:

Okay, thank :P. I am quite sure
raspberry pi is not hard float.

W dniu 2015-12-15 o 01:21,
William Hermans pisze:

So just thinking for a
minute. A Raspberry PI 2,
the new board with quad
cores, and 1 GB ram would
probably work fairly decent
as a build system for the
Beaglebones. Granted,
something like the X15, of
that new nVidia ARM board,
or even the Omelex A20 board
with SATA would probably be
a much better choice if cost
is not a problem.

By the way, I have no idea
what Robert is talking about.
You need to ask him.

On
Mon, Dec 14, 2015 at 5:15
PM, Bremenpl <breme...@gmail.com>
wrote:

I
have just flashed my
BeagleBone Black emmc
with lxqt image linked
by Robert. I cant seem
to find qmake anywhere.
I thought there would be
qt installed and all. Am
I missing something
again?

W dniu 2015-12-15
o 00:54, William
Hermans pisze:

Not
necessarily,

Re: [beagleboard] Running Qt gui application on BBB

Robert, If you could please explain me how can I get Qt 5.3.2 on
lxqt target you linked I would be really gratefull. I only knew how
to install 4.8.2, but that one does not support QSerialport and my
code is not not compatible. For now I just wanted to compile my
application to show that it works. I would really apreciate your
further help.

W dniu 2015-12-15 o 01:29, William
Hermans pisze:

Anyway, the main problem with the rPI 2 is that it
has no "fast" non destructive storage. But the Omilex . . let me
look it up.

On Mon, Dec 14, 2015 at 5:25 PM,
William Hermans <yyrk...@gmail.com>
wrote:

https://www.adafruit.com/product/2358

On Mon, Dec 14, 2015 at 5:23
PM, William Hermans <yyrk...@gmail.com>
wrote:

The new board is armv7. Positively.

On Mon, Dec 14,
2015 at 5:24 PM, Bremenpl <breme...@gmail.com>
wrote:

Okay, thank :P. I am quite sure
raspberry pi is not hard float.

W dniu 2015-12-15 o 01:21,
William Hermans pisze:

By the way, I have no idea
what Robert is talking about.
You need to ask him.

On
Mon, Dec 14, 2015 at 5:15
PM, Bremenpl <breme...@gmail.com>
wrote:

I
have just flashed my
BeagleBone Black emmc
with lxqt image linked
by Robert. I cant seem
to find qmake anywhere.
I thought there would be
qt installed and all. Am
I missing something
again?

W dniu 2015-12-15
o 00:54, William

Re: [beagleboard] Running Qt gui application on BBB

Ita the 1st one i see with active cooling. Its not as flexible as beagle
x15 but is it important if you only want to build code on it?

As for the package, i have downloaded qt 5.3.2 but wasnt able to run the
code yey because of some qt version incompabilities. But that something i
can fix soon, i just wasnt able now i had go to sleep. The question is why
did i need this lxqt image specifically if i had to install anyway?

On December 15, 2015 6:10:13 AM John Syne wrote:

For purely building armhf code, Odroid XU4 might be a good choice:

http://www.hardkernel.com/main/main.php
<http://www.hardkernel.com/main/main.php>

This is an Octacore processor with 4 CortexA15 and 4 CortexA7 processors. I
don’t know how good their kernel/debian support is, but I know Robert had
looked at this board or a predecessor in the past, so perhaps he can give
his input here.

Clearly this board doesn’t have the flexibility of the BeagleBoard-x15 with
it’s dual DSP, Dual CortexM4, Quad PRU, SATA interface, PCIe interface, etc.

Regards,
John

On Dec 14, 2015, at 4:29 PM, William Hermans wrote:

Anyway, the main problem with the rPI 2 is that it has no "fast" non
destructive storage. But the Omilex . . let me look it up.

https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXIno-LIME2-4GB/open-source-hardware
<https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXIno-LIME2-4GB/open-source-hardware>
Has SATA and GbE both. Dual cores too I think. However, you'd have to ask
someone who has one how well they think it would work as a build board.
RObert might know, as his Debian build guide also includes this board too I
believe.

On Mon, Dec 14, 2015 at 5:25 PM, William Hermans <mailto:yyrk...@gmail.com>> wrote:

https://www.adafruit.com/product/2358 <https://www.adafruit.com/product/2358>

On Mon, Dec 14, 2015 at 5:23 PM, William Hermans <mailto:yyrk...@gmail.com>> wrote:

The new board is armv7. Positively.

On Mon, Dec 14, 2015 at 5:24 PM, Bremenpl <mailto:breme...@gmail.com>> wrote:

Okay, thank :P. I am quite sure raspberry pi is not hard float.

W dniu 2015-12-15 o 01:21, William Hermans pisze:
So just thinking for a minute. A Raspberry PI 2, the new board with quad
cores, and 1 GB ram would probably work fairly decent as a build system for
the Beaglebones. Granted, something like the X15, of that new nVidia ARM
board, or even the Omelex A20 board with SATA would probably be a much
better choice if cost is not a problem.

By the way, I have no idea what Robert is talking about. You need to ask him.

On Mon, Dec 14, 2015 at 5:15 PM, Bremenpl <mailto:breme...@gmail.com>> wrote:
I have just flashed my BeagleBone Black emmc with lxqt image linked by
Robert. I cant seem to find qmake anywhere. I thought there would be qt
installed and all. Am I missing something again?

W dniu 2015-12-15 o 00:54, William Hermans pisze:
Not necessarily, but consider this. How much does an embedded systems
specialist in your area get paid per hour ? In my area, about 15-20 years
ago. The cost of a board like the X15 would have been absorbed in roughly
half a day. That is to say, an embedded systems specialist could buy a
board for $239 after working roughly half a day.

Now take into account that figuring out how to cross compile something like
this is a serious headache, and often takes days, if not weeks to get right
. . .

On Mon, Dec 14, 2015 at 4:32 PM, Bremenpl <
<mailto:breme...@gmail.com>breme...@gmail.com <mailto:breme...@gmail.com>>
wrote:
So if I understand correctly, I should have a second board that is more
powerfull than beagle just to compile the code for beagle?

W dniu 2015-12-15 o 00:26, William Hermans pisze:
I cant change the board right now, it has to be BeagleBone Black. Thats why
I need to build on my host. Did you succed on installing QT5.1 and
deploying it to BeagleBone Black? Maybe I should use it instead of 4.8.6 if
its easier?

No one was saying change boards. Use the same board, but use a faster, more
powerful ARM board to compile native ARM executable. The reasons are
simple. No need to mess with cross compiling, which in many cases is messy,
and sometimes near impossible.

You don't think Robert spends days, or weeks compiling packages do you ?
But why don't we ask Robert. Robert, hey what percentage of the packages
you build are compiled native to ARM, from some sort of beefy ARM board?
I'm guessing nearly 100% if not 100% but . . .

On Mon, Dec 14, 2015 at 4:00 PM, Bremenpl <
<mailto:breme...@gmail.com>breme...@gmail.com <mailto:breme...@gmail.com>>
wrote:

Ahh., thats the way, you are right...
Thank you for all the support guys, I really mean it! Hope to get it
working in a while if i wont fall asleep on my desk!

On December 14, 2015 11:55:59 PM John Syne <
<mailto:john3...@gmail.com>john3...@gmail.com <mailto:

Re: [beagleboard] Running Qt gui application on BBB

2015-12-19 Thread Bremenpl

Hello there,
I managed to set up qt 5.3.2 on the beaglebone. I have build everything
there and it took ages but it works :).

Next step is that I need to check either it is possible to run qt app on
bbb without gui with qws parameter. Because at the moment when i run it
with qws i get QXcbconnection: Could not connect to display. I need to do
it like this because thw gui is really really slow.

On December 15, 2015 6:10:13 AM John Syne wrote:

For purely building armhf code, Odroid XU4 might be a good choice:

http://www.hardkernel.com/main/main.php
<http://www.hardkernel.com/main/main.php>

Clearly this board doesn’t have the flexibility of the BeagleBoard-x15 with
it’s dual DSP, Dual CortexM4, Quad PRU, SATA interface, PCIe interface, etc.

Regards,
John

On Dec 14, 2015, at 4:29 PM, William Hermans wrote:

Anyway, the main problem with the rPI 2 is that it has no "fast" non
destructive storage. But the Omilex . . let me look it up.

On Mon, Dec 14, 2015 at 5:25 PM, William Hermans <mailto:yyrk...@gmail.com>> wrote:

https://www.adafruit.com/product/2358 <https://www.adafruit.com/product/2358>

On Mon, Dec 14, 2015 at 5:23 PM, William Hermans <mailto:yyrk...@gmail.com>> wrote:

The new board is armv7. Positively.

On Mon, Dec 14, 2015 at 5:24 PM, Bremenpl <mailto:breme...@gmail.com>> wrote:

Okay, thank :P. I am quite sure raspberry pi is not hard float.

By the way, I have no idea what Robert is talking about. You need to ask him.

Now take into account that figuring out how to cross compile something like
this is a serious headache, and often takes days, if not weeks to get right
. . .

On Mon, Dec 14, 2015 at 4:00 PM, Bremenpl <
<mailto:breme...@gmail.com>breme...@gmail.com <mailto:breme...@gmail.com>>
wrote:

Ahh., thats the way, you are right...
Thank you for all the support guys, I really mean it! Hope to get it
working in a while if i wont fall asleep on my desk!

On December 14, 2015 11:55:59 PM John Syne <
<mailto:john3...@gmail.com>john3...@gmail.com <mailto:john3...@gmail.com>

Re: [beagleboard] Running Qt gui application on BBB

2015-12-19 Thread Bremenpl

I am not sure, coz i wasnt building it- i fownloaded it from paxjage manager.

On December 19, 2015 7:51:18 PM John Syne wrote:

i haven’t done this in ages, but try to run your QT app with the "-platform
eglfs” option. I’m assuming you built QT with EGL.

Regards,
John

On Dec 19, 2015, at 3:46 AM, Bremenpl wrote:

Hello there,
I managed to set up qt 5.3.2 on the beaglebone. I have build everything
there and it took ages but it works :).

On December 15, 2015 6:10:13 AM John Syne wrote:

For purely building armhf code, Odroid XU4 might be a good choice:

http://www.hardkernel.com/main/main.php
<http://www.hardkernel.com/main/main.php>

Clearly this board doesn’t have the flexibility of the BeagleBoard-x15 with
it’s dual DSP, Dual CortexM4, Quad PRU, SATA interface, PCIe interface, etc.

Regards,
John

On Dec 14, 2015, at 4:29 PM, William Hermans <mailto:yyrk...@gmail.com>> wrote:

Anyway, the main problem with the rPI 2 is that it has no "fast" non
destructive storage. But the Omilex . . let me look it up.

On Mon, Dec 14, 2015 at 5:25 PM, William Hermans <mailto:yyrk...@gmail.com>> wrote:

https://www.adafruit.com/product/2358 <https://www.adafruit.com/product/2358>

On Mon, Dec 14, 2015 at 5:23 PM, William Hermans <mailto:yyrk...@gmail.com>> wrote:

The new board is armv7. Positively.

On Mon, Dec 14, 2015 at 5:24 PM, Bremenpl <mailto:breme...@gmail.com>> wrote:

Okay, thank :P. I am quite sure raspberry pi is not hard float.

By the way, I have no idea what Robert is talking about. You need to ask him.

Now take into account that figuring out how to cross compile something like
this is a serious headache, and often takes days, if not weeks to get right
. . .

On Mon, Dec 14, 2015 at 4:00 PM, Bremenpl <
<mailto:breme...@gmail.com>brem

Re: [beagleboard] Running Qt gui application on BBB

2015-12-20 Thread Bremenpl


  
  
I tried the first hint:

root@beaglebone:/home/debian/ImpedanceManager-build#
  ./ImpedanceManager -qws -platform eglfs
libEGL warning: DRI3: xcb_connect failed
libEGL warning: DRI2: xcb_connect failed
libEGL warning: DRI2: xcb_connect failed
Could not initialize egl display
Aborted

Theb second:

root@beaglebone:/home/debian/ImpedanceManager-build# DISPLAY=:0
  ./ImpedanceManager -qws
No protocol specified
QXcbConnection: Could not connect to display :0
Aborted


Is there something more I should specify?

W dniu 2015-12-20 o 08:49, Maxim
  Podbereznyy pisze:


  Try it this thus way:
  DISPLAY=:0 myapp -qws
  19 Дек 2015 г. 23:07 пользователь
"Bremenpl" <breme...@gmail.com>
написал:

  

  
I am not sure,
  coz i wasnt
  building it- i fownloaded it from paxjage manager.
  
  
On
  December 19, 2015 7:51:18 PM John Syne <john3...@gmail.com>
  wrote:

  i haven’t done this in ages, but try to run your QT
  app with the
  "-platform eglfs” option. I’m
assuming you built QT with EGL. 
  
  
  
Regards,
John





  
  
  

  On Dec 19,
    2015, at 3:46 AM, Bremenpl <breme...@gmail.com>
wrote:
  
  

  

  Hello
there,
I managed to set up qt 5.3.2 on the
beaglebone. I have build everything
there and it took ages but it works :).
  Next step is
that I need to
check either it is possible to run qt
app on bbb without gui with qws
parameter. Because at the moment when i
run it with qws i get
QXcbconnection: Could not connect to
display. I need to do it like this
because thw gui is really really slow.


  On
December 15, 2015 6:10:13 AM John Syne
<john3...@gmail.com>
wrote:
  
For purely building armhf code, Odroid
XU4 might be a good choice:


http://www.hardkernel.com/main/main.php


This is an Octacore processor with
  4 CortexA15
  and 4 CortexA7 processors. I don’t
  know how good their kernel/debian
  support is, but I know Robert had
  looked at this board or a predecessor
  in
  the past, so perhaps he can give his
  input here.


Clearly this board doesn’t have the
  flexibility of the BeagleBoard-x15
  with it’s dual DSP, Dual CortexM4,
  Quad
  PRU, SATA interface, PCIe interface,
  etc. 

  
Regards,
John





  
  
  

  On Dec 14,

Re: [beagleboard] Re: Cannot set pins by overlay

2015-12-31 Thread Bremenpl


Didnt know about this page, thabk you a lot :).


On December 31, 2015 11:30:53 AM Davide Picchi  wrote:


And if you need some help I can suggest you to try the code generated in
this page
<http://kilobaser.com/blog/2014-07-28-beaglebone-black-devicetreeoverlay-generator#1gpiodto>
.

At least you have the chance to check, whether your code is right or not.
You can simplify debugging of your code.

Regards

Am Mittwoch, 9. September 2015 18:41:21 UTC+2 schrieb bremenpl:


Hello there,
I just got back to my BeagleBone Black and i have no idea why but I just
cannot change a pin configuration using overlay nor through export. This is
what I am trying to do:

I want to set P8_29 and P8_31 Pins to inputs with a pullup (0x37). here is
my overlay:

/dts-v1/;
/plugin/;

/{
   compatible = "ti,beaglebone", "ti,beaglebone-black";
   part-number = "BB-AVRDUDE";
   version = "00A0";

   fragment@0 {
 target = <&am33xx_pinmux>;

 __overlay__ {
  ebb_example: BB-AVRDUDE {
pinctrl-single,pins = <
0x0E4 0x37  // P8_29, AVR #RST pin, Input Mode7 pullup
0x0D8 0x37  // P8_31, AVR #HWB pin, Input Mode7 pullup

   /* INPUT   GPIO(mode7) 0x27 pulldown, 0x37 pullup,
0x?f no pullup/down */
>;
  };
 };
   };

   fragment@1 {
target = <&ocp>;
__overlay__ {
gpio_helper {
compatible = "gpio-of-helper";
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&ebb_example>;
};
};
};
};

Then I load the DTS and see in the list (last). HDMI is disabled:

 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-- Bone-Black-HDMI,00A0,Texas Instrument,BB-BONELT-HDMI
 6: ff:P-O-- Bone-Black-HDMIN,00A0,Texas Instrument,BB-BONELT-HDMIN
 7: ff:P-O-L Override Board Name,00A0,Override Manuf,NEOSEC-TINYLCD22
 8: ff:P-O-L Override Board Name,00A0,Override Manuf,BB-BONE-KEYS
 9: ff:P-O-L Override Board Name,00A0,Override Manuf,BB-BONE-SPI1-2CS
10: ff:P-O-L Override Board Name,00A0,Override Manuf,am33xx_pwm
11: ff:P-O-L Override Board Name,00A0,Override Manuf,BB-COOLER
12: ff:P-O-L Override Board Name,00A0,Override Manuf,BB-UART5
13: ff:P-O-L Override Board Name,00A0,Override Manuf,BB-BUZZER
14: ff:P-O-L Override Board Name,00A0,Override Manuf,BB-W1
*15: ff:P-O-L Override Board Name,00A0,Override Manuf,BB-AVRDUDE*


Dmesg says it was OK:

root@beaglebone:~# dmesg | grep BB-AVRDUDE
[  151.732517] bone-capemgr bone_capemgr.9: part_number 'BB-AVRDUDE',
version 'N/A'
[  151.732633] bone-capemgr bone_capemgr.9: slot #15: 'Override Board
Name,00A0,Override Manuf,BB-AVRDUDE'
[  151.732729] bone-capemgr bone_capemgr.9: slot #15: Requesting part
number/version based 'BB-AVRDUDE-00A0.dtbo
[  151.732744] bone-capemgr bone_capemgr.9: slot #15: Requesting firmware
'BB-AVRDUDE-00A0.dtbo' for board-name 'Override Board Name', version '00A0'
[  151.736445] bone-capemgr bone_capemgr.9: slot #15: dtbo
'BB-AVRDUDE-00A0.dtbo' loaded; converting to live tree


Then I check the pins and they remain as they were in default:

root@beaglebone:~# cat $PINS | grep "pin 57"
pin 57 (44e108e4) 0027 pinctrl-single
root@beaglebone:~# cat $PINS | grep "pin 54"
pin 54 (44e108d8) 002f pinctrl-single


Did I forget something? I really cant think of anything. I would really
apreciate all help here!



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[beagleboard] usb serial gadget

2016-01-16 Thread bremenpl

Hello there,
The bbb image normally comes with usb gadget that simulates ethernet and mass 
storage. I have 2 questions regarding that:

Can the usb additionally simulate serial port? So on the host side one would 
see a com port (if windows) and on the beagle side it would be a tty interface? 
If yes, how to enable it?

Second question, can serial interfaces in linux be bridged together easily? For 
example, by connecting the beagle to the pc and writing to the usb serial 
gadget from the pc, i would like uart5 to send that data. In short terms, can 
beagle be configured to be a serial uab converter?

I would apreciate all help!

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Re: [beagleboard] usb serial gadget

2016-01-16 Thread Bremenpl


  
  
I see, and is there a way to bridge it to another serial at a low OS
level, without having to write a program that would do it manually
for it?

W dniu 2016-01-17 o 01:09, Robert
  Nelson pisze:


  
On Jan 16, 2016 4:28 PM, "bremenpl" <breme...@gmail.com>
wrote:
>
> Hello there,
> The bbb image normally comes with usb gadget that simulates
ethernet and mass storage. I have 2 questions regarding that:
>
> Can the usb additionally simulate serial port? So on the
host side one would see a com port (if windows) and on the
beagle side it would be a tty interface? If yes, how to enable
it?
  By default serial is also enabled.. By default you
should see Ethernet, mass storage, and serial..
  >
> Second question, can serial interfaces in linux be bridged
together easily? For example, by connecting the beagle to the pc
and writing to the usb serial gadget from the pc, i would like
uart5 to send that data. In short terms, can beagle be
configured to be a serial uab converter?
>
> I would apreciate all help!
  The Linux serial interface created is /dev/ttyGS0
  Regards,
  -- 
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-- 
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Re: [beagleboard] Running Qt gui application on BBB

2016-01-24 Thread Bremenpl

Hi there,
I was not able to solve this. Because of lack of time, I decided to install
qt 5+ on the bbb usong apt manager and build serialport (i needed ot and it
was not included) on the bbb itself. For now i am stuck with building on
bbb without crosscompiling as i wasnt able to set it for qt 5+ as well.

If you would find a solution to this i would be gratefull if you let me
know. I still need the qt on bbb in own frame buffer version.

On January 25, 2016 12:44:23 AM em.ce.kwad...@gmail.com wrote:

Have you finally solved this problem? If so, could you please give some
advice how to fix this problem?
I am stuck in the same place right now. Trying to run an example after
cross compiling qt for BBB.

On Sunday, 20 December 2015 12:39:38 UTC+1, bremenpl wrote:

I tried the first hint:

root@beaglebone:/home/debian/ImpedanceManager-build# ./ImpedanceManager
-qws -platform eglfs
libEGL warning: DRI3: xcb_connect failed
libEGL warning: DRI2: xcb_connect failed
libEGL warning: DRI2: xcb_connect failed
Could not initialize egl display
Aborted

Theb second:

root@beaglebone:/home/debian/ImpedanceManager-build# DISPLAY=:0
./ImpedanceManager -qws
No protocol specified
QXcbConnection: Could not connect to display :0
Aborted

Is there something more I should specify?

W dniu 2015-12-20 o 08:49, Maxim Podbereznyy pisze:

Try it this thus way:

DISPLAY=:0 myapp -qws
19 Дек 2015 г. 23:07 пользователь "Bremenpl" > написал:

I am not sure, coz i wasnt building it- i fownloaded it from paxjage
manager.

On December 19, 2015 7:51:18 PM John Syne <
john...@gmail.com > wrote:

i haven’t done this in ages, but try to run your QT app with the "-platform
eglfs” option. I’m assuming you built QT with EGL.

Regards,
John

On Dec 19, 2015, at 3:46 AM, Bremenpl < brem...@gmail.com
> wrote:

Hello there,
I managed to set up qt 5.3.2 on the beaglebone. I have build everything
there and it took ages but it works :).

On December 15, 2015 6:10:13 AM John Syne > wrote:

For purely building armhf code, Odroid XU4 might be a good choice:

http://www.hardkernel.com/main/main.php

This is an Octacore processor with 4 CortexA15 and 4 CortexA7
processors. I don’t know how good their kernel/debian support is, but I
know Robert had looked at this board or a predecessor in the past, so
perhaps he can give his input here.

Clearly this board doesn’t have the flexibility of the BeagleBoard-x15
with it’s dual DSP, Dual CortexM4, Quad PRU, SATA interface, PCIe
interface, etc.

Regards,
John

On Dec 14, 2015, at 4:29 PM, William Hermans <
yyr...@gmail.com > wrote:

Anyway, the main problem with the rPI 2 is that it has no "fast" non
destructive storage. But the Omilex . . let me look it up.

https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXIno-LIME2-4GB/open-source-hardware
Has SATA and GbE both. Dual cores too I think. However, you'd have to ask
someone who has one how well they think it would work as a build board.
RObert might know, as his Debian build guide also includes this board too I
believe.

On Mon, Dec 14, 2015 at 5:25 PM, William Hermans <
yyr...@gmail.com > wrote:

<https://www.adafruit.com/product/2358>
https://www.adafruit.com/product/2358

On Mon, Dec 14, 2015 at 5:23 PM, William Hermans <
yyr...@gmail.com > wrote:

The new board is armv7. Positively.

On Mon, Dec 14, 2015 at 5:24 PM, Bremenpl <
brem...@gmail.com > wrote:

Okay, thank :P. I am quite sure raspberry pi is not hard float.

W dniu 2015-12-15 o 01:21, William Hermans pisze:

So just thinking for a minute. A Raspberry PI 2, the new board with
quad cores, and 1 GB ram would probably work fairly decent as a build
system for the Beaglebones. Granted, something like the X15, of that new
nVidia ARM board, or even the Omelex A20 board with SATA would probably be
a much better choice if cost is not a problem.

By the way, I have no idea what Robert is talking about. You need to
ask him.

On Mon, Dec 14, 2015 at 5:15 PM, Bremenpl <
brem...@gmail.com > wrote:

I have just flashed my BeagleBone Black emmc with lxqt image
linked by Robert. I cant seem to find qmake anywhere. I thought there would
be qt installed and all. Am I missing something again?

W dniu 2015-12-15 o 00:54, William Hermans pisze:

Not necessarily, but consider this. How much does an embedded
systems specialist in your area get paid per hour ? In my area, about 15-20
years ago. The cost of a board like the X15 would have been absorbed in
roughly half a day. That is to say, an embedded systems specialist could
buy a board for $239 after working roughly half a day.

Now take into account that figuring out how to cross compile

[beagleboard] LCD touch screen is not saved after reboot

2016-02-23 Thread bremenpl

Hello there,
I am using BeagleBone Black with 4D LCD touch screen. When I do the 
calibration, it works alright but after reboot I have to redo it, its not 
being save. Could you please tell me how can I save it so it wont be lost 
after reboot? I would appreciate all help!

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Re: [beagleboard] Re: LCD touch screen is not saved after reboot

2016-03-07 Thread Bremenpl


  
  
Hello, thank you for answer.
Is there a way to actually manually read the calibrated points? You
calibration points are near, but still not as exact as when I do
manual calibration. I would apreciate further help.

W dniu 2016-03-02 o 08:10, Radovan
  Chovan pisze:


  
/usr/share/X11/xorg.conf.d
  - create file 99-calibration.conf with content:
  Section
"InputClass"

  Identifier "calibration"

  MatchProduct "ti-tsc"

  Option "Calibration" "145
  4001 346 3937"
 Option
  "SwapAxes" "0"
EndSection



  
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Re: [beagleboard] Re: LCD touch screen is not saved after reboot

2016-03-08 Thread Bremenpl


  
  
Do you know where is this file saved?

W dniu 2016-03-08 o 16:28, Radovan
  Chovan pisze:


  Hi,
I have this values from "Calibrate Touchscreen" application on
Debian found in "Start menu". When I finished this calibration
test, then command window appeared and there were these values.

  
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Re: [beagleboard] Re: LCD touch screen is not saved after reboot

2016-03-09 Thread Bremenpl


  
  
But how can I know what values I entered?

W dniu 2016-03-09 o 14:33, iuo ioio
  pisze:


  These values are not saved, you must save them to
new file /usr/share/X11/xorg.conf.d
  how I wrote in first answer.
  
2016-03-08 16:31 GMT+01:00 Bremenpl <breme...@gmail.com>:
  
 Do you know where is
  this file saved?
  
  W dniu 2016-03-08 o 16:28, Radovan Chovan pisze:
  
  

  
Hi,
  I have this values from "Calibrate Touchscreen"
  application on Debian found in "Start menu". When
  I finished this calibration test, then command
  window appeared and there were these values.
  

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Re: [beagleboard] Re: LCD touch screen is not saved after reboot

2016-03-09 Thread Bremenpl


  
  
It does, thank you!

W dniu 2016-03-09 o 15:35, iuo ioio
  pisze:


  
I hope this helps
  
  
2016-03-09 14:36 GMT+01:00 Bremenpl <breme...@gmail.com>:
  
 But how can I know
  what values I entered?
  
  W dniu 2016-03-09 o 14:33, iuo ioio pisze:
  
  

  
These values are not saved, you must
  save them to new file /usr/share/X11/xorg.conf.d

how I wrote in first answer.

  2016-03-08 16:31
GMT+01:00 Bremenpl <breme...@gmail.com>:

   Do you
know where is this file saved?

W dniu 2016-03-08 o 16:28, Radovan
  Chovan pisze:


  

  Hi,
I have this values from "Calibrate
Touchscreen" application on Debian
found in "Start menu". When I
finished this calibration test, then
command window appeared and there
were these values.

  
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[beagleboard] Disable X in new Rev C Debian Image

2014-09-29 Thread bremenpl

Hello there,
I have searched a while on how to disable GUI on BeagleBone Black but most 
of the answers I ahve found were regarding the old Angstrom image that 
havent worked for the new Debian one. I would really aprichiate if anyone 
could tell me how to disable X on Rev C Debian. The exact version is:

Linux beaglebone 3.8.13-bone47 #1 SMP Fri Apr 11 01:36:09 UTC 2014 armv7l 
GNU/Linux


I would aprichiate any help.

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Re: [beagleboard] Disable X in new Rev C Debian Image


I have come to that. Could you tell me how to do that?

W dniu 2014-09-29 15:20, Robert Nelson pisze:

On Mon, Sep 29, 2014 at 7:48 AM, bremenpl  wrote:

Hello there,
I have searched a while on how to disable GUI on BeagleBone Black but most
of the answers I ahve found were regarding the old Angstrom image that
havent worked for the new Debian one. I would really aprichiate if anyone
could tell me how to disable X on Rev C Debian. The exact version is:

X is started by lightdm... Disable lightdm..

Regards,



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Re: [beagleboard] Disable X in new Rev C Debian Image

2014-09-29 Thread bremenpl

The method I have found about adding optargs=text to the uEnv file doesnt 
quite work. I am in console then but I cant see the login screen, there are 
just some loading text strings. In the same time I can ssh to the 
beaglebone already.

W dniu poniedziałek, 29 września 2014 15:20:40 UTC+2 użytkownik 
RobertCNelson napisał:
>
> On Mon, Sep 29, 2014 at 7:48 AM, bremenpl > 
> wrote: 
> > Hello there, 
> > I have searched a while on how to disable GUI on BeagleBone Black but 
> most 
> > of the answers I ahve found were regarding the old Angstrom image that 
> > havent worked for the new Debian one. I would really aprichiate if 
> anyone 
> > could tell me how to disable X on Rev C Debian. The exact version is: 
>
> X is started by lightdm... Disable lightdm.. 
>
> Regards, 
>
> -- 
> Robert Nelson 
> http://www.rcn-ee.com/ 
>

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Re: [beagleboard] Disable X in new Rev C Debian Image

The thing is I wouldnt want to get rid of it completlly, I could remove it 
if so. It seems that I managed to do this, but for some reason I need to 
press enter at the start to show the login screen



Dnia 29 września 2014 16:19:10 Peter Gregory  napisał(a):


Would flashing the console only version of Debian to the beaglebone work?
It has no x-server code loaded and is a very small footprint.
You can use apt-get install to add things as necessary.

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Re: [beagleboard] Re: Disable X in new Rev C Debian Image

I havent started to work on this image yet. I wouldnt thibk of building my 
own image for the bbb from scratch, I have never done that. I thought it 
would be esier to just turn off the xwindows. I dont to work woth embedded 
Qt wigdets application, but only one without the gui enviroment around. Is 
building a new image really worth it? I always thought its kinda hard to do 
that.

Dnia 29 września 2014 19:18:09 William Hermans  napisał(a):

Actually, starting from the LXDE image and then removing stuff you do not
want works fine. *IF*, and this is a big if, you know exactly what packages
to remove for each thing you do not want. However, there is always aptitude
which is a smart where managing packages are concerned.

Although I do tend to agree, it is best to start with a minimal image. and
work your way up into what you want. There is less chance for something to
go wrong this way. Yet we may not know various things such as if this
person has project files on an existing filesystem already( or not ).

On Mon, Sep 29, 2014 at 9:50 AM,  wrote:

> Peter Gregory  wrote:
> > Would flashing the console only version of Debian to the beaglebone work?
> > It has no x-server code loaded and is a very small footprint.
> > You can use apt-get install to add things as necessary.
> >
> This is the best approach if you want an 'ssh to it only' system.
> Trying to remove X and all the other GUI bits is a long and difficult
> task whereas adding a few bits to a minimal system is fairly easy.
>
> --
> Chris Green
> ·
>
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Re: [beagleboard] Re: Disable X in new Rev C Debian Image

Alright ill give it a try. I believe i need to power up my beaglebone from 
a sd card to flash this into emmc. Are there any catches in here?



Dnia 29 września 2014 19:22:53 Robert Nelson  
napisał(a):



On Mon, Sep 29, 2014 at 12:21 PM, Bremenpl  wrote:
> I havent started to work on this image yet. I wouldnt thibk of building my
> own image for the bbb from scratch, I have never done that. I thought it
> would be esier to just turn off the xwindows. I dont to work woth embedded
> Qt wigdets application, but only one without the gui enviroment around. Is
> building a new image really worth it? I always thought its kinda hard to do
> that.

So start with the console image here:

http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#2014-09-03

Regards,

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Re: [beagleboard] Re: Disable X in new Rev C Debian Image

So ler me make sure I understand. If i put the flasher image on a Sd card 
and put it into bbb, it will automatically flash the image to emmc? I used 
to do this manually, i downloaded the image while booyed on sd card image 
and used dd.

Dnia 29 września 2014 19:34:22 Robert Nelson  
napisał(a):

On Mon, Sep 29, 2014 at 12:25 PM, Bremenpl  wrote:
> Alright ill give it a try. I believe i need to power up my beaglebone from a
> sd card to flash this into emmc. Are there any catches in here?

Your choice, either use the "flasher" which runs a flashing script of
the microSD or the "standalone" which just runs off the microSD..

Regards,

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Re: [beagleboard] Re: Disable X in new Rev C Debian Image


Thank you, ill give it a try.


Dnia 29 września 2014 19:41:52 William Hermans  napisał(a):


>
> *So ler me make sure I understand. If i put the flasher image on a Sd card
> and put it into bbb, it will automatically flash the image to emmc? I used
> to do this manually, i downloaded the image while booyed on sd card image
> and used dd.*


That is the description of what a flasher image does, yes.

On Mon, Sep 29, 2014 at 10:40 AM, Bremenpl  wrote:

> So ler me make sure I understand. If i put the flasher image on a Sd card
> and put it into bbb, it will automatically flash the image to emmc? I used
> to do this manually, i downloaded the image while booyed on sd card image
> and used dd.
>
>
> Dnia 29 września 2014 19:34:22 Robert Nelson 
> napisał(a):
>
>  On Mon, Sep 29, 2014 at 12:25 PM, Bremenpl  wrote:
>> > Alright ill give it a try. I believe i need to power up my beaglebone
>> from a
>> > sd card to flash this into emmc. Are there any catches in here?
>>
>> Your choice, either use the "flasher" which runs a flashing script of
>> the microSD or the "standalone" which just runs off the microSD..
>>
>> Regards,
>>
>> --
>> Robert Nelson
>> http://www.rcn-ee.com/
>>
>> --
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Re: [beagleboard] Re: Disable X in new Rev C Debian Image

Hello there,
I have installed the console image as you advice. My problem now is that 
The USB network adapter isnt present and the power button doesnt work- 
the second problem also occured when I installed the standard rev C 
image. Are there ways to fix this issue?

W dniu 2014-09-29 19:41, William Hermans pisze:

/So ler me make sure I understand. If i put the flasher image on a
Sd card and put it into bbb, it will automatically flash the image
to emmc? I used to do this manually, i downloaded the image while
booyed on sd card image and used dd./

That is the description of what a flasher image does, yes.

On Mon, Sep 29, 2014 at 10:40 AM, Bremenpl <mailto:breme...@gmail.com>> wrote:

So ler me make sure I understand. If i put the flasher image on a
Sd card and put it into bbb, it will automatically flash the image
to emmc? I used to do this manually, i downloaded the image while
booyed on sd card image and used dd.

Dnia 29 września 2014 19:34:22 Robert Nelson
mailto:robertcnel...@gmail.com>> napisał(a):

On Mon, Sep 29, 2014 at 12:25 PM, Bremenpl mailto:breme...@gmail.com>> wrote:
> Alright ill give it a try. I believe i need to power up my
beaglebone from a
> sd card to flash this into emmc. Are there any catches in here?

Your choice, either use the "flasher" which runs a flashing
script of
the microSD or the "standalone" which just runs off the microSD..

Regards,

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

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[beagleboard] How to install the usb0 network adapter

2014-09-30 Thread bremenpl

Hello there,
Recently I have flashed my beaglebone black re C with the console image ( 
http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#2014-09-03 ). The 
problem I have run into is that:
Power Button doesnt work,
There is No USB0 network adapter like in standard beaglebone black image. 
Also the little flash disk is not present as well on the host side.

I have managed to resolve the 1st issue by this script, but I am not sure 
either it is sufficient:
https://clarenceho.net/blog/articles/2013/09/14/using-the-power-button-on-beaglebone-black-for-shutdown

As for the second one, I have no idea how to install the network adapter 
with the flash space.
I would really aprichiate any help here, Those options are crussial for my 
application.

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Re: [beagleboard] How to install the usb0 network adapter


Thank you Robert,
Everything seems to work but one thing. In my previous image I could 
find the usb location under boot/uboot. Now if I go there in console its 
empty, even though I can see it mounted on my PC and there are files 
there. Do you know what could be the case here?


W dniu 2014-09-30 11:30, Robert Nelson pisze:

On Tue, Sep 30, 2014 at 3:26 AM, bremenpl  wrote:

Hello there,
Recently I have flashed my beaglebone black re C with the console image (
http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#2014-09-03 ). The
problem I have run into is that:
Power Button doesnt work,
There is No USB0 network adapter like in standard beaglebone black image.
Also the little flash disk is not present as well on the host side.

I have managed to resolve the 1st issue by this script, but I am not sure
either it is sufficient:
https://clarenceho.net/blog/articles/2013/09/14/using-the-power-button-on-beaglebone-black-for-shutdown

As for the second one, I have no idea how to install the network adapter
with the flash space.
I would really aprichiate any help here, Those options are crussial for my
application.

The startup script is here:

https://github.com/RobertCNelson/boot-scripts/blob/master/boot/am335x_evm.sh

it needs to be placed in:

/opt/scripts/boot/

you will also need to install "udhcpd"...

Regards,



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Re: [beagleboard] How to install the usb0 network adapter


Nvm I found out that there is no entry in fstab to mount it. Thanks.

W dniu 2014-09-30 11:30, Robert Nelson pisze:

On Tue, Sep 30, 2014 at 3:26 AM, bremenpl  wrote:

Hello there,
Recently I have flashed my beaglebone black re C with the console image (
http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#2014-09-03 ). The
problem I have run into is that:
Power Button doesnt work,
There is No USB0 network adapter like in standard beaglebone black image.
Also the little flash disk is not present as well on the host side.

I have managed to resolve the 1st issue by this script, but I am not sure
either it is sufficient:
https://clarenceho.net/blog/articles/2013/09/14/using-the-power-button-on-beaglebone-black-for-shutdown

As for the second one, I have no idea how to install the network adapter
with the flash space.
I would really aprichiate any help here, Those options are crussial for my
application.

The startup script is here:

https://github.com/RobertCNelson/boot-scripts/blob/master/boot/am335x_evm.sh

it needs to be placed in:

/opt/scripts/boot/

you will also need to install "udhcpd"...

Regards,



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Re: [beagleboard] How to install the usb0 network adapter


Robert,
I just noticed that in the console image when i mount up the mmcblk0p1 
that means I am mounting whole filesystem of the beaglebone on the usb. 
Could you explain me how can I create a custom flash space formatted in 
ie. fat32 and make it avaible on usb? This is new to me, because in the 
regular image there was the fat partition of about 100MB under mmcblk0p1.


W dniu 2014-09-30 11:30, Robert Nelson pisze:

On Tue, Sep 30, 2014 at 3:26 AM, bremenpl  wrote:

Hello there,
Recently I have flashed my beaglebone black re C with the console image (
http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#2014-09-03 ). The
problem I have run into is that:
Power Button doesnt work,
There is No USB0 network adapter like in standard beaglebone black image.
Also the little flash disk is not present as well on the host side.

I have managed to resolve the 1st issue by this script, but I am not sure
either it is sufficient:
https://clarenceho.net/blog/articles/2013/09/14/using-the-power-button-on-beaglebone-black-for-shutdown

As for the second one, I have no idea how to install the network adapter
with the flash space.
I would really aprichiate any help here, Those options are crussial for my
application.

The startup script is here:

https://github.com/RobertCNelson/boot-scripts/blob/master/boot/am335x_evm.sh

it needs to be placed in:

/opt/scripts/boot/

you will also need to install "udhcpd"...

Regards,



--
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Re: [beagleboard] Re: Disable X in new Rev C Debian Image

I just checked it on Amazon, I would love to look it up, but 
unfortenutelly its not on my budget. In Europe it would be even more 
expensive coz the price would be in euros.

W dniu 2014-09-30 12:54, Philip Polstra pisze:

Just an FYI: there are two chapters in my book, Hacking and 
Penetration Testing with Low Power Devices, dedicated to building your 
own distro for the Beagles in a semiautomated way. The process I 
describe starts from a minimal system then adds packages from a 
Christmas list.

On Sep 30, 2014 3:33 AM, "Bremenpl" <mailto:breme...@gmail.com>> wrote:

Hello there,
I have installed the console image as you advice. My problem now
is that The USB network adapter isnt present and the power button
doesnt work- the second problem also occured when I installed the
standard rev C image. Are there ways to fix this issue?

W dniu 2014-09-29 19:41, William Hermans pisze:

/So ler me make sure I understand. If i put the flasher image
on a Sd card and put it into bbb, it will automatically flash
the image to emmc? I used to do this manually, i downloaded
the image while booyed on sd card image and used dd./

That is the description of what a flasher image does, yes.

On Mon, Sep 29, 2014 at 10:40 AM, Bremenpl mailto:breme...@gmail.com>> wrote:

So ler me make sure I understand. If i put the flasher image
on a Sd card and put it into bbb, it will automatically flash
the image to emmc? I used to do this manually, i downloaded
the image while booyed on sd card image and used dd.

Dnia 29 września 2014 19:34:22 Robert Nelson
mailto:robertcnel...@gmail.com>>
napisał(a):

On Mon, Sep 29, 2014 at 12:25 PM, Bremenpl
mailto:breme...@gmail.com>> wrote:
> Alright ill give it a try. I believe i need to power up
my beaglebone from a
> sd card to flash this into emmc. Are there any catches
in here?

Your choice, either use the "flasher" which runs a
flashing script of
the microSD or the "standalone" which just runs off the
microSD..

Regards,

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

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For mor

[beagleboard] Custom images stop working eventually

2014-09-30 Thread bremenpl

Hello there,
As for the beggining, ill say that this problem never occured on the 
beaglebone black image shipped with rev C board. Today I installed the 
never version for rev C and after that the console version from elinux.org. 
In both situations after the n reebot, the system didnt want to boot. On 
the screen I only see the linux penguin image and nothing happends. Only 
the usr0 led blinks in a loop like schema. I would really aprichiate any 
help in here, why do those images break? I have shutdown the system 
correctly every time.

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Re: [beagleboard] Custom images stop working eventually

Im sorry, but I didnt get it :P. This state doesnt end, even after 
another reboot its all the same. I have to reflash the eMMC


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Re: [beagleboard] Custom images stop working eventually


Of course I did.

W dniu 2014-09-30 13:31, Robert Nelson pisze:



On Sep 30, 2014 6:29 AM, "Bremenpl" <mailto:breme...@gmail.com>> wrote:

>
> Im sorry, but I didnt get it :P. This state doesnt end, even after 
another reboot its all the same. I have to reflash the eMMC


Ah take out the 'flashing' microsd...

>
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>
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Re: [beagleboard] Custom images stop working eventually

I really did nothing extra ordinary. I just added some scripts (like the 
one for usb0 network to work from previous topic), added the script for 
power button to work. After some reboot it just stopped working. Maybe 
its the power button script thing, but I cant think of why.


W dniu 2014-09-30 13:37, Robert Nelson pisze:



On Sep 30, 2014 6:33 AM, "Bremenpl" <mailto:breme...@gmail.com>> wrote:

>
> Of course I did.

Tell us step by step what you actually did. It's too early for me to 
guess.


>
> W dniu 2014-09-30 13:31, Robert Nelson pisze:
>>
>>
>> On Sep 30, 2014 6:29 AM, "Bremenpl" <mailto:breme...@gmail.com>> wrote:

>> >
>> > Im sorry, but I didnt get it :P. This state doesnt end, even 
after another reboot its all the same. I have to reflash the eMMC

>>
>> Ah take out the 'flashing' microsd...
>>
>> >
>> > --
>> > Bremenpl
>> >
>> >
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Re: [beagleboard] Custom images stop working eventually

On the other hand, on one of the images power button was working 
correctly, so it has to be something else.


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Re: [beagleboard] How to install the usb0 network adapter

Thank you for the link. After reading this guide I think it has to few 
steps for me. I am not good enough for it to fully understand it.


W dniu 2014-09-30 13:28, Robert Nelson pisze:



On Sep 30, 2014 5:38 AM, "Bremenpl" <mailto:breme...@gmail.com>> wrote:

>
> Robert,
> I just noticed that in the console image when i mount up the 
mmcblk0p1 that means I am mounting whole filesystem of the beaglebone 
on the usb. Could you explain me how can I create a custom flash space 
formatted in ie. fat32 and make it avaible on usb? This is new to me, 
because in the regular image there was the fat partition of about 
100MB under mmcblk0p1.


You know for the level of customization you seem to need. Neither of 
my images are going to work for you.. Just use my guide here and setup 
everything you need.


http://eewiki.net/display/linuxonarm/BeagleBone+Black

>
>
> W dniu 2014-09-30 11:30, Robert Nelson pisze:
>>
>> On Tue, Sep 30, 2014 at 3:26 AM, bremenpl <mailto:breme...@gmail.com>> wrote:

>>
>>> Hello there,
>>> Recently I have flashed my beaglebone black re C with the console 
image (

>>> http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#2014-09-03 ). The
>>> problem I have run into is that:
>>> Power Button doesnt work,
>>> There is No USB0 network adapter like in standard beaglebone black 
image.

>>> Also the little flash disk is not present as well on the host side.
>>>
>>> I have managed to resolve the 1st issue by this script, but I am 
not sure

>>> either it is sufficient:
>>> 
https://clarenceho.net/blog/articles/2013/09/14/using-the-power-button-on-beaglebone-black-for-shutdown

>>>
>>> As for the second one, I have no idea how to install the network 
adapter

>>> with the flash space.
>>> I would really aprichiate any help here, Those options are 
crussial for my

>>> application.
>>
>> The startup script is here:
>>
>> 
https://github.com/RobertCNelson/boot-scripts/blob/master/boot/am335x_evm.sh

>>
>> it needs to be placed in:
>>
>> /opt/scripts/boot/
>>
>> you will also need to install "udhcpd"...
>>
>> Regards,
>>
>
> --
> Bremenpl
>
>
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Re: [beagleboard] Custom images stop working eventually

I think I got one, ill try to connect it. Will the data on serial port 
pop out of the blue, or does that also need some additional initialisations?


W dniu 2014-09-30 13:51, Robert Nelson pisze:

On Tue, Sep 30, 2014 at 6:42 AM, Bremenpl  wrote:

I really did nothing extra ordinary. I just added some scripts (like the one
for usb0 network to work from previous topic), added the script for power
button to work. After some reboot it just stopped working. Maybe its the
power button script thing, but I cant think of why.

it kinda sounds like you somehow enabled the "flasher" on the eMMC..
Specially if it's doing the cylon patern, the only way to prove it,
would be to connect up a usb serial adapter and see what it's doing.

Regards,


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Re: [beagleboard] How to install the usb0 network adapter

I understand and I dont want you to, I aprichiate the tools given. For 
now I have placed the base image inside and using apt-get remove deleted 
the lighdm to make the image a bit lighter. I dont hide that the console 
image works a lot faster, the only thing missing there for me is the usb 
flash feature. Is it possible to add this feature on an existing image?


W dniu 2014-09-30 13:50, Robert Nelson pisze:

On Tue, Sep 30, 2014 at 6:48 AM, Bremenpl  wrote:

Thank you for the link. After reading this guide I think it has to few steps
for me. I am not good enough for it to fully understand it.

Well for the number of customization you need, now is a good time to learn.

We "don't" build "your" image, we simply give you the tools to "build"
"your" image...

Regards,



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Re: [beagleboard] How to install the usb0 network adapter


I will try this out, thank you a lot for all your help.

W dniu 2014-09-30 14:03, Robert Nelson pisze:

On Tue, Sep 30, 2014 at 6:59 AM, Bremenpl  wrote:

I understand and I dont want you to, I aprichiate the tools given. For now I
have placed the base image inside and using apt-get remove deleted the
lighdm to make the image a bit lighter. I dont hide that the console image
works a lot faster, the only thing missing there for me is the usb flash
feature. Is it possible to add this feature on an existing image?

sure download:

https://rcn-ee.net/deb/testing/2014-09-04/console/debian-7.6-console-armhf-2014-09-04.tar.xz

untar and run:

sudo ./setup_sdcard.sh --img-2gb BBB-eMMC-flasher --dtb beaglebone
--boot_label BEAGLEBONE --rootfs_label eMMC-Flasher --enable-systemd
--bbb-flasher --bbb-old-bootloader-in-emmc
--beagleboard.org-production

This will create a dd'able image you can dd to the microSD to flash
the eMMC.. It'll contain a 100mb fat partition
(--beagleboard.org-production add's it..)

Regards,



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Re: [beagleboard] Re: Disable X in new Rev C Debian Image

I will certainly take a look into it, maybe my university will be abble 
to get one to the library. Thank you.

W dniu 2014-09-30 13:28, Philip Polstra pisze:

Publisher currently has better price than amazon for most people here 
http://store.elsevier.com/product.jsp?isbn=9780128007518&locale=en_EU&country=be 

Be warned that they are currently upgrading their fulfillment systems, 
so you might want the eBook if you want lowest cost and quick 
service.  They are also offering free eBook with print purchase, but 
only if you buy at full price.

On Sep 30, 2014 7:04 AM, "Bremenpl" <mailto:breme...@gmail.com>> wrote:

I just checked it on Amazon, I would love to look it up, but
unfortenutelly its not on my budget. In Europe it would be even
more expensive coz the price would be in euros.

W dniu 2014-09-30 12:54, Philip Polstra pisze:

Just an FYI: there are two chapters in my book, Hacking and
Penetration Testing with Low Power Devices, dedicated to building
your own distro for the Beagles in a semiautomated way. The
process I describe starts from a minimal system then adds
packages from a Christmas list.

    On Sep 30, 2014 3:33 AM, "Bremenpl" mailto:breme...@gmail.com>> wrote:

Hello there,
I have installed the console image as you advice. My problem
now is that The USB network adapter isnt present and the
power button doesnt work- the second problem also occured
when I installed the standard rev C image. Are there ways to
fix this issue?

W dniu 2014-09-29 19:41, William Hermans pisze:

/So ler me make sure I understand. If i put the flasher
image on a Sd card and put it into bbb, it will
automatically flash the image to emmc? I used to do this
manually, i downloaded the image while booyed on sd card
image and used dd./

That is the description of what a flasher image does, yes.

    On Mon, Sep 29, 2014 at 10:40 AM, Bremenpl
mailto:breme...@gmail.com>> wrote:

So ler me make sure I understand. If i put the flasher
image on a Sd card and put it into bbb, it will
automatically flash the image to emmc? I used to do this
manually, i downloaded the image while booyed on sd card
image and used dd.

Dnia 29 września 2014 19:34:22 Robert Nelson
mailto:robertcnel...@gmail.com>> napisał(a):

    On Mon, Sep 29, 2014 at 12:25 PM, Bremenpl
mailto:breme...@gmail.com>> wrote:
> Alright ill give it a try. I believe i need to
power up my beaglebone from a
> sd card to flash this into emmc. Are there any
catches in here?

Your choice, either use the "flasher" which runs a
flashing script of
the microSD or the "standalone" which just runs off
the microSD..

Regards,

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

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Re: [beagleboard] How to install the usb0 network adapter


Hello again Robert,
Everything seems to be working, I cant find my usb-> uart converter so 
ill look at home and try it tommorow. Could only for the last thing tell 
me, either there is any official written by you way to enable the power 
button?


W dniu 2014-09-30 14:03, Robert Nelson pisze:

On Tue, Sep 30, 2014 at 6:59 AM, Bremenpl  wrote:

I understand and I dont want you to, I aprichiate the tools given. For now I
have placed the base image inside and using apt-get remove deleted the
lighdm to make the image a bit lighter. I dont hide that the console image
works a lot faster, the only thing missing there for me is the usb flash
feature. Is it possible to add this feature on an existing image?

sure download:

https://rcn-ee.net/deb/testing/2014-09-04/console/debian-7.6-console-armhf-2014-09-04.tar.xz

untar and run:

sudo ./setup_sdcard.sh --img-2gb BBB-eMMC-flasher --dtb beaglebone
--boot_label BEAGLEBONE --rootfs_label eMMC-Flasher --enable-systemd
--bbb-flasher --bbb-old-bootloader-in-emmc
--beagleboard.org-production

This will create a dd'able image you can dd to the microSD to flash
the eMMC.. It'll contain a 100mb fat partition
(--beagleboard.org-production add's it..)

Regards,



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Re: [beagleboard] Custom images stop working eventually

Ok I have discovered what cause the image to fail to boot. I have added 
the automount of the 100MB usb space to fstab. After this operation 
image wont boot anymore. Im not quite sure what have i set wrong, this 
is the line i have added:


/dev/mmcblk0p1/boot/uboot/fat16defaults00

I have mounted this the same manually before the fstab edit and it 
worked great. What is the deal here?


W dniu 2014-09-30 13:58, Robert Nelson pisze:

On Tue, Sep 30, 2014 at 6:56 AM, Bremenpl  wrote:

I think I got one, ill try to connect it. Will the data on serial port pop
out of the blue, or does that also need some additional initialisations?

It's setup for serial debugging by default:

115200 8 n 1

Regards,



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Re: [beagleboard] Custom images stop working eventually

But why can I mount it by hand then without any problems?

Dnia 30 września 2014 15:34:07 Robert Nelson  
napisał(a):

On Tue, Sep 30, 2014 at 8:01 AM, Bremenpl  wrote:
> Ok I have discovered what cause the image to fail to boot. I have added the
> automount of the 100MB usb space to fstab. After this operation image wont
> boot anymore. Im not quite sure what have i set wrong, this is the line i
> have added:
>
> /dev/mmcblk0p1/boot/uboot/fat16defaults00
>
> I have mounted this the same manually before the fstab edit and it worked
> great. What is the deal here?

Well by default the 200Mb "Console" is just a single ext4 partition...
So if you were to add that to the current image, it would get stuck on
bootup and spew lots of errors over serial about a missing partition.

Regards,

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

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Re: [beagleboard] Custom images stop working eventually

Well after the mount I am abble to acces the content on the 100MB space, 
and that the functionality i need- to be abble to put files there over usb 
and use on beaglebone.

Can you suggest any solution?


Dnia 30 września 2014 15:38:25 Robert Nelson  
napisał(a):



On Tue, Sep 30, 2014 at 8:35 AM, Bremenpl  wrote:
> But why can I mount it by hand then without any problems?

I doubt it's really mounting what you think it's mounting..

Regards,

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

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Re: [beagleboard] Re: Disable X in new Rev C Debian Image

Hello William,
Thank you for the advice. You are right about me when you say that my main 
os is Windows, but not for 100%. I work on vmware and Linux osses for a 
longer time now. This is my 1st real aproach on embedded linux though, 
normally I wrote bare metal code for mcus.
Im always eager to learn, but it happens for a time that you have no time 
and theres like one blocking point for you, but it grows over time. It 
still remains a blocking point for the project though :p. Also, theres the 
fact that I find my way around a lot better in hardware than software 
(especially high level).
I will get there eventually, I really aprichite the help given by 
community. I am really waiting for the book from Mr Derek Molloy to come 
out, to bad its release date is getting moved. I didnt know about the book 
from Mr Polstra that seems very helpfull as well and as I said maybe my 
university could buy one paper version for my use and if not, ill get it 
mysalfe :).

Dnia 30 września 2014 22:51:49 William Hermans  napisał(a):

Brem, it sounds like me you need to slow down. It also sounds as though for
the several posts you've made that Windows is your primary desktop OS.

So, this is what I might suggest for you. Start with Virtualbox( virtual
machine software ), and install Debian on it. Only a cmdline version (no
X-Windows ), and start experimenting. Read posts on the groups here that
you have interest on, and google for information about each given process /
feature.

Over time you'll find out that 90-95% of your questions / answers have
nothing to do with the beaglebone hardware, but is more( all ) about Linux
instead. Mostly, the more experience you have with Linux, the better off
you will be. I know this from experience because prior to owning a
beaglebone black I had zero experience with embedded Linux, but several
years of hand on with Debian i386 on desktop, workstation, and server x86
based systems. So, just slow down instead of trying to absorb everything
all at once, and you shold be able to focus, and learn.

On Tue, Sep 30, 2014 at 5:37 AM, Bremenpl  wrote:

>  I will certainly take a look into it, maybe my university will be abble
> to get one to the library. Thank you.
>
> W dniu 2014-09-30 13:28, Philip Polstra pisze:
>
> Publisher currently has better price than amazon for most people here
> 
http://store.elsevier.com/product.jsp?isbn=9780128007518&locale=en_EU&country=be

>
> Be warned that they are currently upgrading their fulfillment systems, so
> you might want the eBook if you want lowest cost and quick service.  They
> are also offering free eBook with print purchase, but only if you buy at
> full price.
> On Sep 30, 2014 7:04 AM, "Bremenpl"  wrote:
>
>>  I just checked it on Amazon, I would love to look it up, but
>> unfortenutelly its not on my budget. In Europe it would be even more
>> expensive coz the price would be in euros.
>>
>> W dniu 2014-09-30 12:54, Philip Polstra pisze:
>>
>> Just an FYI: there are two chapters in my book, Hacking and Penetration
>> Testing with Low Power Devices, dedicated to building your own distro for
>> the Beagles in a semiautomated way. The process I describe starts from a
>> minimal system then adds packages from a Christmas list.
>> On Sep 30, 2014 3:33 AM, "Bremenpl"  wrote:
>>
>>>  Hello there,
>>> I have installed the console image as you advice. My problem now is that
>>> The USB network adapter isnt present and the power button doesnt work- the
>>> second problem also occured when I installed the standard rev C image. Are
>>> there ways to fix this issue?
>>>
>>> W dniu 2014-09-29 19:41, William Hermans pisze:
>>>
>>>  *So ler me make sure I understand. If i put the flasher image on a Sd
>>>> card and put it into bbb, it will automatically flash the image to emmc? I
>>>> used to do this manually, i downloaded the image while booyed on sd card
>>>> image and used dd.*
>>>
>>>
>>>  That is the description of what a flasher image does, yes.
>>>
>>> On Mon, Sep 29, 2014 at 10:40 AM, Bremenpl  wrote:
>>>
>>>> So ler me make sure I understand. If i put the flasher image on a Sd
>>>> card and put it into bbb, it will automatically flash the image to emmc? I
>>>> used to do this manually, i downloaded the image while booyed on sd card
>>>> image and used dd.
>>>>
>>>>
>>>> Dnia 29 września 2014 19:34:22 Robert Nelson 
>>>> napisał(a):
>>>>
>>>>  On Mon, Sep 29, 2014 at 12:25 PM, Bremenpl  wrote:
>>>>> > Alright ill give it a try. I believe i need to power up my
>>>>> beaglebone

Re: [beagleboard] Custom images stop working eventually


Hello Robert,
I think what you said its right... When I enter the mounted directory, 
it does reflect the files I see on the mounted USB partition. However, 
When I create a new file in there, it does not appear on the USB drive 
nor the location in console... I Cant really tell whats happening. After 
dfing I can see the location mounter correctly:


root@beaglebone:/boot/uboot# df
Filesystem 1K-blocks Used 
Available Use% Mounted on
rootfs   3553816 
251864   3118096   8% /

udev 10240  0 10240   0% /dev
tmpfs 101692 440
101252   1% /run
/dev/disk/by-uuid/7505a30a-815a-441f-96ee-e62f7d07e547   3553816 
251864   3118096   8% /

tmpfs 254224  0254224   0% /dev/shm
tmpfs 254224  0254224   0% /sys/fs/cgroup
tmpfs 102400  0102400   0% /run/user
tmpfs 5120  0  5120   0% /run/lock
*/dev/mmcblk0p1 98094 
63236 34858  65% /boot/uboot*


If as you said this isnt really mounted, is there a way to create a 
separate partition for the virtual usb space? I already aprichiate all 
your help, but this is the last step for my image to have everything i 
need in 100%.


W dniu 2014-09-30 15:38, Robert Nelson pisze:

On Tue, Sep 30, 2014 at 8:35 AM, Bremenpl  wrote:

But why can I mount it by hand then without any problems?

I doubt it's really mounting what you think it's mounting..

Regards,



--
Bremenpl

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Re: [beagleboard] Re: Disable X in new Rev C Debian Image


Hello Mr Polstra,
I have managed to buy the pdf version of the book, im exited about the 
content. However there is one major drawback for an ebook lovel like me! 
You have forgotten to add bookmarks to the pdf :P!


W dniu 2014-09-30 13:28, Philip Polstra pisze:


Publisher currently has better price than amazon for most people here 
http://store.elsevier.com/product.jsp?isbn=9780128007518&locale=en_EU&country=be 



Be warned that they are currently upgrading their fulfillment systems, 
so you might want the eBook if you want lowest cost and quick 
service.  They are also offering free eBook with print purchase, but 
only if you buy at full price.





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Re: [beagleboard] Re: Disable X in new Rev C Debian Image

Yeah it had to be the publishers mistake maybe, because the ePub version 
has bookmarks. Hope it can be fixed :).


W dniu 2014-10-01 14:06, Philip Polstra pisze:


I'll mention it to the publisher.

On Oct 1, 2014 3:32 AM, "Bremenpl" <mailto:breme...@gmail.com>> wrote:


Hello Mr Polstra,
I have managed to buy the pdf version of the book, im exited about
the content. However there is one major drawback for an ebook
lovel like me! You have forgotten to add bookmarks to the pdf :P!

W dniu 2014-09-30 13:28, Philip Polstra pisze:


Publisher currently has better price than amazon for most
people here

http://store.elsevier.com/product.jsp?isbn=9780128007518&locale=en_EU&country=be


Be warned that they are currently upgrading their fulfillment
systems, so you might want the eBook if you want lowest cost
and quick service.  They are also offering free eBook with
print purchase, but only if you buy at full price.



-- 
Bremenpl


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[beagleboard] Script for debbuging over usb serial

2014-10-01 Thread bremenpl

Hello there,
Now it is possible to debug the Beaglebone Black over the uart header. But 
I was wondering, since it is possible to have a network adapter over the 
device USB port, maybe it would be also possible to have a serial adapter 
over that USB as well, and output the tty0 to it. I would aprichiate any 
help.

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Re: [beagleboard] Custom images stop working eventually


Hello there,
I have connected the debug cable, heres the output:

/U-Boot SPL 2014.10-rc2-00017-g621bc23 (Sep 04 2014 - 19:58:48)//
//
//
//U-Boot 2014.10-rc2-00017-g621bc23 (Sep 04 2014 - 19:58:48), Build: 
jenkins-github_Bootloader-Builder-22//

//
//   Watchdog enabled//
//I2C:   ready//
//DRAM:  512 MiB//
//MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1//
//Using default environment//
//
//Net:not set. Validating first E-fuse MAC//
//cpsw, usb_ether//
//Hit any key to stop autoboot:  0//
//gpio: pin 53 (gpio 53) value is 1//
//Card did not respond to voltage select!//
//Card did not respond to voltage select!//
//gpio: pin 56 (gpio 56) value is 0//
//gpio: pin 55 (gpio 55) value is 0//
//gpio: pin 54 (gpio 54) value is 0//
//switch to partitions #0, OK//
//mmc1(part 0) is current device//
//gpio: pin 54 (gpio 54) value is 1//
//SD/MMC found on device 1//
//Checking for: /uEnv.txt ...//
//Checking for: /boot.scr ...//
//Checking for: /boot/boot.scr ...//
//Checking for: /boot/uEnv.txt ...//
//gpio: pin 55 (gpio 55) value is 1//
//764 bytes read in 21 ms (35.2 KiB/s)//
//Loaded environment from /boot/uEnv.txt//
//Checking if uname_r is set in /boot/uEnv.txt...//
//gpio: pin 56 (gpio 56) value is 1//
//Running uname_boot ...//
//loading /boot/vmlinuz-3.8.13-bone64 ...//
//5605264 bytes read in 377 ms (14.2 MiB/s)//
//loading /boot/dtbs/3.8.13-bone64/am335x-boneblack.dtb ...//
//26098 bytes read in 30 ms (848.6 KiB/s)//
//loading /boot/initrd.img-3.8.13-bone64 ...//
//2282569 bytes read in 150 ms (14.5 MiB/s)//
//debug: [console=ttyO0,115200n8 
root=UUID=49a3b628-4d8e-4a0f-b159-bd265e36a9df ro rootfstype=ext4 
rootwait fixrtc quiet init=/lib/systemd/systemd] ...//

//debug: [bootz 0x8200 0x8808:22d449 0x8800] ...//
//Kernel image @ 0x8200 [ 0x00 - 0x558790 ]//
//## Flattened Device Tree blob at 8800//
//   Booting using the fdt blob at 0x8800//
//   Loading Ramdisk to 8fdd2000, end 8449 ... OK//
//   Loading Device Tree to 8fdc8000, end 8fdd15f1 ... OK//
//
//Starting kernel ...//
//
//Uncompressing Linux... done, booting the kernel.//
//[0.338513] omap2_mbox_probe: platform not supported//
//[0.493476] tps65217-bl tps65217-bl: no platform data provided//
//[0.553819] bone-capemgr bone_capemgr.9: slot #0: No cape found//
//[0.590929] bone-capemgr bone_capemgr.9: slot #1: No cape found//
//[0.628036] bone-capemgr bone_capemgr.9: slot #2: No cape found//
//[0.665145] bone-capemgr bone_capemgr.9: slot #3: No cape found//
//[0.680842] bone-capemgr bone_capemgr.9: slot #6: BB-BONELT-HDMIN 
conflict P8.45 (#5:BB-BONELT-HDMI)//

//[0.690402] bone-capemgr bone_capemgr.9: slot #6: Failed verification//
//[0.697136] bone-capemgr bone_capemgr.9: loader: failed to load 
slot-6 BB-BONELT-HDMIN:00A0 (prio 2)//
//[0.713682] omap_hsmmc mmc.5: of_parse_phandle_with_args of 'reset' 
failed//
//[0.776740] pinctrl-single 44e10800.pinmux: pin 44e10854 already 
requested by 44e10800.pinmux; cannot claim for gpio-leds.8//
//[0.788424] pinctrl-single 44e10800.pinmux: pin-21 (gpio-leds.8) 
status -22//
//[0.795694] pinctrl-single 44e10800.pinmux: could not request pin 
21 on device pinctrl-single//

//Loading, please wait...//
//systemd-fsck[201]: rootfs: clean, 12849/04 files, 77267/444160 
blocks//
//Welcome to emergency mode. Use "systemctl default" or ^D to enter 
default mode./


Then I enter systemctl default to enter the prompt. I comment the fstab 
entry adn everything works again. I tried to read into your script, I 
found the place where the partition is created:


/if [ "x${bborg_production}" = "xenable" ] ; then//
//conf_boot_endmb="96"//
//conf_boot_fstype="fat"//
//sfdisk_fstype="0xE"//
//sfdisk_partition_layout//
//else//
//sfdisk_single_partition_layout//
//media_rootfs_partition=1//
//fi/

You said that everything is stored on a single partition in this image, 
while it looks like there is a second one in fat16 for the usb. Im not 
sure either I understand this correctly, if this is a single partition, 
how can i create a separate one for the usb? I would really aprichiate 
your help.


W dniu 2014-09-30 15:38, Robert Nelson pisze:

On Tue, Sep 30, 2014 at 8:35 AM, Bremenpl  wrote:

But why can I mount it by hand then without any problems?

I doubt it's really mounting what you think it's mounting..

Regards,



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Re: [beagleboard] Custom images stop working eventually


Thats the point, I did pass the --beagleboard.org-production

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Re: [beagleboard] Custom images stop working eventually

Thank you! I surelly can do it but I dont know where you would like me 
to report the bug.


W dniu 2014-10-01 21:27, Robert Nelson pisze:

On Wed, Oct 1, 2014 at 2:06 PM, Bremenpl  wrote:

Thats the point, I did pass the --beagleboard.org-production

Okay, file a bug, i'll look into next week.

Regards,



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[beagleboard] Power Button Script

2014-10-02 Thread bremenpl

Hello there,
I am using Console version of debian provided on elinux.org on BeagleBone 
Black. My problem is that it misses the power button functionality. I have 
found this script for handling it:

#!/bin/sh

BTN=/dev/input/event0

while true; do
  BTNVAL=`hexdump -e '8/2 "%x " "\n"' -n 16 $BTN | grep ' 74 ' | awk 
'{print $7$
  if [ "$BTNVAL" = "1" ]
  then
echo "Power button pressed"
/sbin/sync
/sbin/sync
/sbin/shutdown -h now
exit
  fi
  sleep 1
done


I have put a link to it into init.d and used update-rc to make it work at 
startup.
The problem is that it doesnt always work. Im not sure either it is running 
in the background or not, because when i use ps command i dont see the 
script running and even though the power button works. So lets say every 
3rd power up the power button doesnt work... Im not sure whats the case. I 
would also aprichiate if someone told me either this is the proper way of 
handling the power button in the official bigger image.

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[beagleboard] Re: Power Button Script

2014-10-02 Thread bremenpl

Also I forgot to mention, that in the script I actually have to put the 
line /sbin/shutdown -h now twice... Otherwise after I press the button the 
message that the system is going down is displayed, but the system is not 
turning off. Then I press it again and its going down.

W dniu czwartek, 2 października 2014 17:03:23 UTC+2 użytkownik bremenpl 
napisał:
>
> Hello there,
> I am using Console version of debian provided on elinux.org on BeagleBone 
> Black. My problem is that it misses the power button functionality. I have 
> found this script for handling it:
>
> #!/bin/sh
>
> BTN=/dev/input/event0
>
> while true; do
>   BTNVAL=`hexdump -e '8/2 "%x " "\n"' -n 16 $BTN | grep ' 74 ' | awk 
> '{print $7$
>   if [ "$BTNVAL" = "1" ]
>   then
> echo "Power button pressed"
> /sbin/sync
> /sbin/sync
> /sbin/shutdown -h now
> exit
>   fi
>   sleep 1
> done
>
>
> I have put a link to it into init.d and used update-rc to make it work at 
> startup.
> The problem is that it doesnt always work. Im not sure either it is 
> running in the background or not, because when i use ps command i dont see 
> the script running and even though the power button works. So lets say 
> every 3rd power up the power button doesnt work... Im not sure whats the 
> case. I would also aprichiate if someone told me either this is the proper 
> way of handling the power button in the official bigger image.
>

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Re: [beagleboard] Re: Power Button Script

2014-10-02 Thread Bremenpl


Yes it was a bad pase, here is the script (unles you meant something else):

#!/bin/sh

BTN=/dev/input/event0

while true; do
  BTNVAL=`hexdump -e '8/2 "%x " "\n"' -n 16 $BTN | grep ' 74 ' | awk 
'{print $7}'`

  if [ "$BTNVAL" = "1" ]
  then
echo "Power button pressed"
/sbin/sync
/sbin/sync
/sbin/shutdown -h now
/sbin/shutdown -h now
exit
  fi
  sleep 1
done

W dniu 2014-10-02 18:28, Don deJuan pisze:

On 10/02/2014 08:09 AM, bremenpl wrote:
Also I forgot to mention, that in the script I actually have to put 
the line /sbin/shutdown -h now twice... Otherwise after I press the 
button the message that the system is going down is displayed, but 
the system is not turning off. Then I press it again and its going down.


W dniu czwartek, 2 października 2014 17:03:23 UTC+2 użytkownik 
bremenpl napisał:


Hello there,
I am using Console version of debian provided on elinux.org
<http://elinux.org> on BeagleBone Black. My problem is that it
misses the power button functionality. I have found this script
for handling it:

|
#!/bin/sh

BTN=/dev/input/event0

whiletrue;do
  BTNVAL=`hexdump -e '8/2 "%x " "\n"' -n 16 $BTN | grep ' 74 ' |
awk '{print $7$
  if [ "$BTNVAL" = "1" ]
  then
echo "Power button pressed"
/sbin/sync
/sbin/sync
/sbin/shutdown -h now
exit
  fi
  sleep 1
done

|

I have put a link to it into init.d and used update-rc to make it
work at startup.
The problem is that it doesnt always work. Im not sure either it
is running in the background or not, because when i use ps
command i dont see the script running and even though the power
button works. So lets say every 3rd power up the power button
doesnt work... Im not sure whats the case. I would also
aprichiate if someone told me either this is the proper way of
handling the power button in the official bigger image.

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There is problems with the script, not sure if it was a bad paste or not.

Look at your BTNVAL
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[beagleboard] External HDMI output

2014-10-07 Thread bremenpl

Hello there,
I am currently working on a motherboard for the BeagleBone Black. One of 
the requiments is to have a HDMI output on the side of the motherboard. I 
Know that there are LCD pins on the BeagleBone Black header and there is a 
possibility to connect a LCD cape. I was wondering either it would work to 
duplicate the NXP HDMI framer circuit that is on the board to the 
motherboard and use it for hdmi output? If I am correct the only difference 
would be that there is no acces to I2C0 from headers so I would have to use 
I2C1/2 for the NXP chip. That way at least I wont chave to worry about 
addressing 2 chips at once (not sure If you can change address of the hdmi 
framer yet). 

My question is, would this solution be bard to implement in software, or is 
it easy to change the I2C bus config for hdmi? Are there any obstacles that 
I am not aware of? I would really aprichiate any help in here.

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Re: [beagleboard] External HDMI output

There are resistors on the lines, worse case scenarion I can take them off. 
But tgose lines are used for lcd cape already so it does work, whats the 
problem?



Dnia 8 października 2014 19:06:54 Gerald Coley  
napisał(a):



I doubt it will work but you are free to try. Adding two loads such as that
on those pins is asking for trouble.

Gerald


On Wed, Oct 8, 2014 at 1:50 AM, bremenpl  wrote:

> Hello there,
> I am currently working on a motherboard for the BeagleBone Black. One of
> the requiments is to have a HDMI output on the side of the motherboard. I
> Know that there are LCD pins on the BeagleBone Black header and there is a
> possibility to connect a LCD cape. I was wondering either it would work to
> duplicate the NXP HDMI framer circuit that is on the board to the
> motherboard and use it for hdmi output? If I am correct the only difference
> would be that there is no acces to I2C0 from headers so I would have to use
> I2C1/2 for the NXP chip. That way at least I wont chave to worry about
> addressing 2 chips at once (not sure If you can change address of the hdmi
> framer yet).
>
> My question is, would this solution be bard to implement in software, or
> is it easy to change the I2C bus config for hdmi? Are there any obstacles
> that I am not aware of? I would really aprichiate any help in here.
>
> --
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Re: [beagleboard] External HDMI output

I could do buffers as well, thats not a problem. I am building the board 
from scratch. Besides, arent the nxp input very high impedance?



Dnia 8 października 2014 19:52:48 Gerald Coley  
napisał(a):



I am talking about you adding two NXP parts on those lines as you indicated
that you were doing. LCD cape uses buffers do boost the signal. The NXP
pins are 1.8V inputs.

Gerald

On Wed, Oct 8, 2014 at 12:38 PM, Bremenpl  wrote:

>   There are resistors on the lines, worse case scenarion I can take them
> off. But tgose lines are used for lcd cape already so it does work, whats
> the problem?
>
> Dnia 8 października 2014 19:06:54 Gerald Coley 
> napisał(a):
>
>> I doubt it will work but you are free to try. Adding two loads such as
>> that on those pins is asking for trouble.
>>
>> Gerald
>>
>>
>> On Wed, Oct 8, 2014 at 1:50 AM, bremenpl  wrote:
>>
>>> Hello there,
>>> I am currently working on a motherboard for the BeagleBone Black. One of
>>> the requiments is to have a HDMI output on the side of the motherboard. I
>>> Know that there are LCD pins on the BeagleBone Black header and there is a
>>> possibility to connect a LCD cape. I was wondering either it would work to
>>> duplicate the NXP HDMI framer circuit that is on the board to the
>>> motherboard and use it for hdmi output? If I am correct the only difference
>>> would be that there is no acces to I2C0 from headers so I would have to use
>>> I2C1/2 for the NXP chip. That way at least I wont chave to worry about
>>> addressing 2 chips at once (not sure If you can change address of the hdmi
>>> framer yet).
>>>
>>> My question is, would this solution be bard to implement in software, or
>>> is it easy to change the I2C bus config for hdmi? Are there any obstacles
>>> that I am not aware of? I would really aprichiate any help in here.
>>>
>>> --
>>> For more options, visit http://beagleboard.org/discuss
>>> ---
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>>
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Re: [beagleboard] External HDMI output

Cant I just power the NXP from 1.8V? If the lines are 1.8V I would need no 
translation then. Also there are no buffer on the bbb itself so why would I 
need such?



Dnia 8 października 2014 20:12:06 Gerald Coley  
napisał(a):



It is the low voltage level as these are 1.8V inputs. The issue is making
sure you get low enough, fast enough due to capacitance and at the correct
frequency to yield a good data integrity. You can try using a translator
buffer from 3.3V to 1.8V. That should help.


Gerald


On Wed, Oct 8, 2014 at 12:55 PM, Bremenpl  wrote:

>   I could do buffers as well, thats not a problem. I am building the
> board from scratch. Besides, arent the nxp input very high impedance?
>
> Dnia 8 października 2014 19:52:48 Gerald Coley 
> napisał(a):
>
>> I am talking about you adding two NXP parts on those lines as you
>> indicated that you were doing. LCD cape uses buffers do boost the signal.
>> The NXP pins are 1.8V inputs.
>>
>> Gerald
>>
>> On Wed, Oct 8, 2014 at 12:38 PM, Bremenpl  wrote:
>>
>>>   There are resistors on the lines, worse case scenarion I can take
>>> them off. But tgose lines are used for lcd cape already so it does work,
>>> whats the problem?
>>>
>>> Dnia 8 października 2014 19:06:54 Gerald Coley 
>>> napisał(a):
>>>
>>>> I doubt it will work but you are free to try. Adding two loads such as
>>>> that on those pins is asking for trouble.
>>>>
>>>> Gerald
>>>>
>>>>
>>>> On Wed, Oct 8, 2014 at 1:50 AM, bremenpl  wrote:
>>>>
>>>>> Hello there,
>>>>> I am currently working on a motherboard for the BeagleBone Black. One
>>>>> of the requiments is to have a HDMI output on the side of the 
motherboard.
>>>>> I Know that there are LCD pins on the BeagleBone Black header and 
there is

>>>>> a possibility to connect a LCD cape. I was wondering either it would work
>>>>> to duplicate the NXP HDMI framer circuit that is on the board to the
>>>>> motherboard and use it for hdmi output? If I am correct the only 
difference
>>>>> would be that there is no acces to I2C0 from headers so I would have 
to use

>>>>> I2C1/2 for the NXP chip. That way at least I wont chave to worry about
>>>>> addressing 2 chips at once (not sure If you can change address of the 
hdmi

>>>>> framer yet).
>>>>>
>>>>> My question is, would this solution be bard to implement in software,
>>>>> or is it easy to change the I2C bus config for hdmi? Are there any
>>>>> obstacles that I am not aware of? I would really aprichiate any help in
>>>>> here.
>>>>>
>>>>> --
>>>>> For more options, visit http://beagleboard.org/discuss
>>>>> ---
>>>>> You received this message because you are subscribed to the Google
>>>>> Groups "BeagleBoard" group.
>>>>> To unsubscribe from this group and stop receiving emails from it, send
>>>>> an email to beagleboard+unsubscr...@googlegroups.com.
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>>>>>
>>>>
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Re: [beagleboard] External HDMI output

I am only asking, no hard feelings :p. Ive just noticed that there were no 
buffers on the lcd lines between nxp and mcu on the bbb. Thats why I asked. 
Why are there no buffers on the bbb? By buffers do you mean that a voltage 
follower would do if the inputs are 3.3V tollerant?



Dnia 8 października 2014 20:44:37 Gerald Coley  
napisał(a):



It already is powered from 1.8V. The processor however, is powered from
3.3V. The NXP part is 3.3V tolerant.

You need the buffer to clean up the signals and provide better drive as is
being done on the LCD boards..

I just designed the BeagleBone Black. You are designing your mother board
so do as you see fit.

Gerald


On Wed, Oct 8, 2014 at 1:37 PM, Bremenpl  wrote:

>   Cant I just power the NXP from 1.8V? If the lines are 1.8V I would need
> no translation then. Also there are no buffer on the bbb itself so why
> would I need such?
>
> Dnia 8 października 2014 20:12:06 Gerald Coley 
> napisał(a):
>
>> It is the low voltage level as these are 1.8V inputs. The issue is making
>> sure you get low enough, fast enough due to capacitance and at the correct
>> frequency to yield a good data integrity. You can try using a translator
>> buffer from 3.3V to 1.8V. That should help.
>>
>>
>> Gerald
>>
>>
>> On Wed, Oct 8, 2014 at 12:55 PM, Bremenpl  wrote:
>>
>>>   I could do buffers as well, thats not a problem. I am building the
>>> board from scratch. Besides, arent the nxp input very high impedance?
>>>
>>> Dnia 8 października 2014 19:52:48 Gerald Coley 
>>> napisał(a):
>>>
>>>> I am talking about you adding two NXP parts on those lines as you
>>>> indicated that you were doing. LCD cape uses buffers do boost the signal.
>>>> The NXP pins are 1.8V inputs.
>>>>
>>>> Gerald
>>>>
>>>> On Wed, Oct 8, 2014 at 12:38 PM, Bremenpl  wrote:
>>>>
>>>>>   There are resistors on the lines, worse case scenarion I can take
>>>>> them off. But tgose lines are used for lcd cape already so it does work,
>>>>> whats the problem?
>>>>>
>>>>> Dnia 8 października 2014 19:06:54 Gerald Coley 
>>>>> napisał(a):
>>>>>
>>>>>> I doubt it will work but you are free to try. Adding two loads such
>>>>>> as that on those pins is asking for trouble.
>>>>>>
>>>>>> Gerald
>>>>>>
>>>>>>
>>>>>> On Wed, Oct 8, 2014 at 1:50 AM, bremenpl  wrote:
>>>>>>
>>>>>>> Hello there,
>>>>>>> I am currently working on a motherboard for the BeagleBone Black.
>>>>>>> One of the requiments is to have a HDMI output on the side of the
>>>>>>> motherboard. I Know that there are LCD pins on the BeagleBone Black 
header
>>>>>>> and there is a possibility to connect a LCD cape. I was wondering 
either it
>>>>>>> would work to duplicate the NXP HDMI framer circuit that is on the 
board to

>>>>>>> the motherboard and use it for hdmi output? If I am correct the only
>>>>>>> difference would be that there is no acces to I2C0 from headers so 
I would

>>>>>>> have to use I2C1/2 for the NXP chip. That way at least I wont chave to
>>>>>>> worry about addressing 2 chips at once (not sure If you can change 
address

>>>>>>> of the hdmi framer yet).
>>>>>>>
>>>>>>> My question is, would this solution be bard to implement in
>>>>>>> software, or is it easy to change the I2C bus config for hdmi? Are 
there
>>>>>>> any obstacles that I am not aware of? I would really aprichiate any 
help in

>>>>>>> here.
>>>>>>>
>>>>>>> --
>>>>>>> For more options, visit http://beagleboard.org/discuss
>>>>>>> ---
>>>>>>> You received this message because you are subscribed to the Google
>>>>>>> Groups "BeagleBoard" group.
>>>>>>> To unsubscribe from this group and stop receiving emails from it,
>>>>>>> send an email to beagleboard+unsubscr...@googlegroups.com.
>>>>>>> For more options, visit https://groups.google.com/d/optout.
>>>>>>>
>>>>>>
>>>>>>  --
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>>>>>> ---
>>>>>> You received

Re: [beagleboard] External HDMI output

I see now. Thank you a lot, i will take this under consideration when I get 
to the hdmi part in my board. I already aprichiate your help, but do you 
have any other tips that might help? Any software config problems you predict?



Dnia 8 października 2014 20:54:39 Gerald Coley  
napisał(a):



No there are not. That is why I am saying you need them on the expansion
board. The reason there is no buffer on the board is because it had to be
cheap and fit in an Altoids box. I could not do that and add the buffer,

By buffers I mean like the one used on the LCD board.
https://github.com/CircuitCo/BeagleBone-LCD7-RevA3/blob/master/BeagleBone-LCD7-RevA3-schematic.pdf?raw=true


Look at U1. Replace the VDD_LCD with 1.8V.


Gerald


On Wed, Oct 8, 2014 at 1:48 PM, Bremenpl  wrote:

>   I am only asking, no hard feelings :p. Ive just noticed that there were
> no buffers on the lcd lines between nxp and mcu on the bbb. Thats why I
> asked. Why are there no buffers on the bbb? By buffers do you mean that a
> voltage follower would do if the inputs are 3.3V tollerant?
>
> Dnia 8 października 2014 20:44:37 Gerald Coley 
> napisał(a):
>
>> It already is powered from 1.8V. The processor however, is powered from
>> 3.3V. The NXP part is 3.3V tolerant.
>>
>> You need the buffer to clean up the signals and provide better drive as
>> is being done on the LCD boards..
>>
>> I just designed the BeagleBone Black. You are designing your mother board
>> so do as you see fit.
>>
>> Gerald
>>
>>
>> On Wed, Oct 8, 2014 at 1:37 PM, Bremenpl  wrote:
>>
>>>   Cant I just power the NXP from 1.8V? If the lines are 1.8V I would
>>> need no translation then. Also there are no buffer on the bbb itself so why
>>> would I need such?
>>>
>>> Dnia 8 października 2014 20:12:06 Gerald Coley 
>>> napisał(a):
>>>
>>>> It is the low voltage level as these are 1.8V inputs. The issue is
>>>> making sure you get low enough, fast enough due to capacitance and at the
>>>> correct frequency to yield a good data integrity. You can try using a
>>>> translator buffer from 3.3V to 1.8V. That should help.
>>>>
>>>>
>>>> Gerald
>>>>
>>>>
>>>> On Wed, Oct 8, 2014 at 12:55 PM, Bremenpl  wrote:
>>>>
>>>>>   I could do buffers as well, thats not a problem. I am building the
>>>>> board from scratch. Besides, arent the nxp input very high impedance?
>>>>>
>>>>> Dnia 8 października 2014 19:52:48 Gerald Coley 
>>>>> napisał(a):
>>>>>
>>>>>> I am talking about you adding two NXP parts on those lines as you
>>>>>> indicated that you were doing. LCD cape uses buffers do boost the 
signal.

>>>>>> The NXP pins are 1.8V inputs.
>>>>>>
>>>>>> Gerald
>>>>>>
>>>>>> On Wed, Oct 8, 2014 at 12:38 PM, Bremenpl  wrote:
>>>>>>
>>>>>>>   There are resistors on the lines, worse case scenarion I can take
>>>>>>> them off. But tgose lines are used for lcd cape already so it does 
work,

>>>>>>> whats the problem?
>>>>>>>
>>>>>>> Dnia 8 października 2014 19:06:54 Gerald Coley <
>>>>>>> ger...@beagleboard.org> napisał(a):
>>>>>>>
>>>>>>>> I doubt it will work but you are free to try. Adding two loads such
>>>>>>>> as that on those pins is asking for trouble.
>>>>>>>>
>>>>>>>> Gerald
>>>>>>>>
>>>>>>>>
>>>>>>>> On Wed, Oct 8, 2014 at 1:50 AM, bremenpl 
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> Hello there,
>>>>>>>>> I am currently working on a motherboard for the BeagleBone Black.
>>>>>>>>> One of the requiments is to have a HDMI output on the side of the
>>>>>>>>> motherboard. I Know that there are LCD pins on the BeagleBone 
Black header
>>>>>>>>> and there is a possibility to connect a LCD cape. I was wondering 
either it
>>>>>>>>> would work to duplicate the NXP HDMI framer circuit that is on 
the board to

>>>>>>>>> the motherboard and use it for hdmi output? If I am correct the only
>>>>>>>>> difference would be that there is no acces to I2C0 from headers 
so I would
>>>&

Re: [beagleboard] External HDMI output


I understand. Thank you.


Dnia 8 października 2014 21:03:58 Gerald Coley  
napisał(a):



If you do it right, you should have nothing to do. But, be warned, the
expansion connectors are not what you call high speed. So it is possible
that your HDMI may not be able to get to the same resolution as the one on
the board.

Gerald


On Wed, Oct 8, 2014 at 2:00 PM, Bremenpl  wrote:

>   I see now. Thank you a lot, i will take this under consideration when I
> get to the hdmi part in my board. I already aprichiate your help, but do
> you have any other tips that might help? Any software config problems you
> predict?
>
> Dnia 8 października 2014 20:54:39 Gerald Coley 
> napisał(a):
>
>> No there are not. That is why I am saying you need them on the expansion
>> board. The reason there is no buffer on the board is because it had to be
>> cheap and fit in an Altoids box. I could not do that and add the buffer,
>>
>> By buffers I mean like the one used on the LCD board.
>> 
https://github.com/CircuitCo/BeagleBone-LCD7-RevA3/blob/master/BeagleBone-LCD7-RevA3-schematic.pdf?raw=true

>>
>>
>> Look at U1. Replace the VDD_LCD with 1.8V.
>>
>>
>> Gerald
>>
>>
>> On Wed, Oct 8, 2014 at 1:48 PM, Bremenpl  wrote:
>>
>>>   I am only asking, no hard feelings :p. Ive just noticed that there
>>> were no buffers on the lcd lines between nxp and mcu on the bbb. Thats why
>>> I asked. Why are there no buffers on the bbb? By buffers do you mean that a
>>> voltage follower would do if the inputs are 3.3V tollerant?
>>>
>>> Dnia 8 października 2014 20:44:37 Gerald Coley 
>>> napisał(a):
>>>
>>>> It already is powered from 1.8V. The processor however, is powered from
>>>> 3.3V. The NXP part is 3.3V tolerant.
>>>>
>>>> You need the buffer to clean up the signals and provide better drive as
>>>> is being done on the LCD boards..
>>>>
>>>> I just designed the BeagleBone Black. You are designing your mother
>>>> board so do as you see fit.
>>>>
>>>> Gerald
>>>>
>>>>
>>>> On Wed, Oct 8, 2014 at 1:37 PM, Bremenpl  wrote:
>>>>
>>>>>   Cant I just power the NXP from 1.8V? If the lines are 1.8V I would
>>>>> need no translation then. Also there are no buffer on the bbb itself 
so why

>>>>> would I need such?
>>>>>
>>>>> Dnia 8 października 2014 20:12:06 Gerald Coley 
>>>>> napisał(a):
>>>>>
>>>>>> It is the low voltage level as these are 1.8V inputs. The issue is
>>>>>> making sure you get low enough, fast enough due to capacitance and 
at the

>>>>>> correct frequency to yield a good data integrity. You can try using a
>>>>>> translator buffer from 3.3V to 1.8V. That should help.
>>>>>>
>>>>>>
>>>>>> Gerald
>>>>>>
>>>>>>
>>>>>> On Wed, Oct 8, 2014 at 12:55 PM, Bremenpl  wrote:
>>>>>>
>>>>>>>   I could do buffers as well, thats not a problem. I am building
>>>>>>> the board from scratch. Besides, arent the nxp input very high 
impedance?

>>>>>>>
>>>>>>> Dnia 8 października 2014 19:52:48 Gerald Coley <
>>>>>>> ger...@beagleboard.org> napisał(a):
>>>>>>>
>>>>>>>> I am talking about you adding two NXP parts on those lines as you
>>>>>>>> indicated that you were doing. LCD cape uses buffers do boost the 
signal.

>>>>>>>> The NXP pins are 1.8V inputs.
>>>>>>>>
>>>>>>>> Gerald
>>>>>>>>
>>>>>>>> On Wed, Oct 8, 2014 at 12:38 PM, Bremenpl 
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>>   There are resistors on the lines, worse case scenarion I can
>>>>>>>>> take them off. But tgose lines are used for lcd cape already so 
it does

>>>>>>>>> work, whats the problem?
>>>>>>>>>
>>>>>>>>> Dnia 8 października 2014 19:06:54 Gerald Coley <
>>>>>>>>> ger...@beagleboard.org> napisał(a):
>>>>>>>>>
>>>>>>>>>> I doubt it will work but you are free to try. Adding two loads
>>>>>>>>>> such as that on those

Re: [beagleboard] External HDMI output

*aside from the I2C bus change in the software somewhere I understand? The 
I2C0 is not on the expansion header.



Dnia 8 października 2014 21:03:58 Gerald Coley  
napisał(a):



If you do it right, you should have nothing to do. But, be warned, the
expansion connectors are not what you call high speed. So it is possible
that your HDMI may not be able to get to the same resolution as the one on
the board.

Gerald


On Wed, Oct 8, 2014 at 2:00 PM, Bremenpl  wrote:

>   I see now. Thank you a lot, i will take this under consideration when I
> get to the hdmi part in my board. I already aprichiate your help, but do
> you have any other tips that might help? Any software config problems you
> predict?
>
> Dnia 8 października 2014 20:54:39 Gerald Coley 
> napisał(a):
>
>> No there are not. That is why I am saying you need them on the expansion
>> board. The reason there is no buffer on the board is because it had to be
>> cheap and fit in an Altoids box. I could not do that and add the buffer,
>>
>> By buffers I mean like the one used on the LCD board.
>> 
https://github.com/CircuitCo/BeagleBone-LCD7-RevA3/blob/master/BeagleBone-LCD7-RevA3-schematic.pdf?raw=true

>>
>>
>> Look at U1. Replace the VDD_LCD with 1.8V.
>>
>>
>> Gerald
>>
>>
>> On Wed, Oct 8, 2014 at 1:48 PM, Bremenpl  wrote:
>>
>>>   I am only asking, no hard feelings :p. Ive just noticed that there
>>> were no buffers on the lcd lines between nxp and mcu on the bbb. Thats why
>>> I asked. Why are there no buffers on the bbb? By buffers do you mean that a
>>> voltage follower would do if the inputs are 3.3V tollerant?
>>>
>>> Dnia 8 października 2014 20:44:37 Gerald Coley 
>>> napisał(a):
>>>
>>>> It already is powered from 1.8V. The processor however, is powered from
>>>> 3.3V. The NXP part is 3.3V tolerant.
>>>>
>>>> You need the buffer to clean up the signals and provide better drive as
>>>> is being done on the LCD boards..
>>>>
>>>> I just designed the BeagleBone Black. You are designing your mother
>>>> board so do as you see fit.
>>>>
>>>> Gerald
>>>>
>>>>
>>>> On Wed, Oct 8, 2014 at 1:37 PM, Bremenpl  wrote:
>>>>
>>>>>   Cant I just power the NXP from 1.8V? If the lines are 1.8V I would
>>>>> need no translation then. Also there are no buffer on the bbb itself 
so why

>>>>> would I need such?
>>>>>
>>>>> Dnia 8 października 2014 20:12:06 Gerald Coley 
>>>>> napisał(a):
>>>>>
>>>>>> It is the low voltage level as these are 1.8V inputs. The issue is
>>>>>> making sure you get low enough, fast enough due to capacitance and 
at the

>>>>>> correct frequency to yield a good data integrity. You can try using a
>>>>>> translator buffer from 3.3V to 1.8V. That should help.
>>>>>>
>>>>>>
>>>>>> Gerald
>>>>>>
>>>>>>
>>>>>> On Wed, Oct 8, 2014 at 12:55 PM, Bremenpl  wrote:
>>>>>>
>>>>>>>   I could do buffers as well, thats not a problem. I am building
>>>>>>> the board from scratch. Besides, arent the nxp input very high 
impedance?

>>>>>>>
>>>>>>> Dnia 8 października 2014 19:52:48 Gerald Coley <
>>>>>>> ger...@beagleboard.org> napisał(a):
>>>>>>>
>>>>>>>> I am talking about you adding two NXP parts on those lines as you
>>>>>>>> indicated that you were doing. LCD cape uses buffers do boost the 
signal.

>>>>>>>> The NXP pins are 1.8V inputs.
>>>>>>>>
>>>>>>>> Gerald
>>>>>>>>
>>>>>>>> On Wed, Oct 8, 2014 at 12:38 PM, Bremenpl 
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>>   There are resistors on the lines, worse case scenarion I can
>>>>>>>>> take them off. But tgose lines are used for lcd cape already so 
it does

>>>>>>>>> work, whats the problem?
>>>>>>>>>
>>>>>>>>> Dnia 8 października 2014 19:06:54 Gerald Coley <
>>>>>>>>> ger...@beagleboard.org> napisał(a):
>>>>>>>>>
>>>>>>>>>> I doubt it will work but you are free to try. Adding two loads
&

Re: [beagleboard] External HDMI output

2014-10-17 Thread bremenpl

Hello there again Gerald,
I was trying to get a piece of TDA19988 chip but he is not avaible in a 
single distributor :|. I was trying to find some simmilar chips from other 
distributors but I am not sure either they would be compatible. Would you 
mind helping me out in this case? 

W dniu środa, 8 października 2014 21:03:58 UTC+2 użytkownik Gerald napisał:
>
> If you do it right, you should have nothing to do. But, be warned, the 
> expansion connectors are not what you call high speed. So it is possible 
> that your HDMI may not be able to get to the same resolution as the one on 
> the board.
>
> Gerald
>
>
> On Wed, Oct 8, 2014 at 2:00 PM, Bremenpl > 
> wrote:
>
>>   I see now. Thank you a lot, i will take this under consideration when 
>> I get to the hdmi part in my board. I already aprichiate your help, but do 
>> you have any other tips that might help? Any software config problems you 
>> predict?
>>  
>> Dnia 8 października 2014 20:54:39 Gerald Coley > > napisał(a):
>>
>>> No there are not. That is why I am saying you need them on the expansion 
>>> board. The reason there is no buffer on the board is because it had to be 
>>> cheap and fit in an Altoids box. I could not do that and add the buffer,
>>>
>>> By buffers I mean like the one used on the LCD board. 
>>> https://github.com/CircuitCo/BeagleBone-LCD7-RevA3/blob/master/BeagleBone-LCD7-RevA3-schematic.pdf?raw=true
>>>  
>>>
>>> Look at U1. Replace the VDD_LCD with 1.8V.
>>>
>>>
>>> Gerald
>>>
>>>
>>> On Wed, Oct 8, 2014 at 1:48 PM, Bremenpl >> > wrote:
>>>
>>>>   I am only asking, no hard feelings :p. Ive just noticed that there 
>>>> were no buffers on the lcd lines between nxp and mcu on the bbb. Thats why 
>>>> I asked. Why are there no buffers on the bbb? By buffers do you mean that 
>>>> a 
>>>> voltage follower would do if the inputs are 3.3V tollerant?
>>>>  
>>>> Dnia 8 października 2014 20:44:37 Gerald Coley >>> > napisał(a):
>>>>
>>>>> It already is powered from 1.8V. The processor however, is powered 
>>>>> from 3.3V. The NXP part is 3.3V tolerant.
>>>>>
>>>>> You need the buffer to clean up the signals and provide better drive 
>>>>> as is being done on the LCD boards.. 
>>>>>
>>>>> I just designed the BeagleBone Black. You are designing your mother 
>>>>> board so do as you see fit.
>>>>>
>>>>> Gerald
>>>>>
>>>>>
>>>>> On Wed, Oct 8, 2014 at 1:37 PM, Bremenpl >>>> > wrote:
>>>>>
>>>>>>   Cant I just power the NXP from 1.8V? If the lines are 1.8V I would 
>>>>>> need no translation then. Also there are no buffer on the bbb itself so 
>>>>>> why 
>>>>>> would I need such?
>>>>>>  
>>>>>> Dnia 8 października 2014 20:12:06 Gerald Coley <
>>>>>> ger...@beagleboard.org > napisał(a):
>>>>>>
>>>>>>> It is the low voltage level as these are 1.8V inputs. The issue is 
>>>>>>> making sure you get low enough, fast enough due to capacitance and at 
>>>>>>> the 
>>>>>>> correct frequency to yield a good data integrity. You can try using a 
>>>>>>> translator buffer from 3.3V to 1.8V. That should help.
>>>>>>>
>>>>>>>
>>>>>>> Gerald
>>>>>>>
>>>>>>>
>>>>>>> On Wed, Oct 8, 2014 at 12:55 PM, Bremenpl >>>>>> > wrote:
>>>>>>>
>>>>>>>>   I could do buffers as well, thats not a problem. I am building 
>>>>>>>> the board from scratch. Besides, arent the nxp input very high 
>>>>>>>> impedance?
>>>>>>>>  
>>>>>>>> Dnia 8 października 2014 19:52:48 Gerald Coley <
>>>>>>>> ger...@beagleboard.org > napisał(a):
>>>>>>>>
>>>>>>>>> I am talking about you adding two NXP parts on those lines as you 
>>>>>>>>> indicated that you were doing. LCD cape uses buffers do boost the 
>>>>>>>>> signal. 
>>>>>>>>> The NXP pins are 1.8V inputs.
>>>>>>>>>
>>>>>>&

Re: [beagleboard] How to avoid shutdown with BBB directly connected to a battery-backup when removing 5V power supply

2014-10-17 Thread bremenpl

Hello there Michael,
I have just tested my BeagleBone Black. I have connected the power through 
USB + battery. Then I disconnected the USB and left the BeagleBone Black on 
the battery. It havent shutdown after a minute or anything. I am using the 
console Debian image.

W dniu piątek, 17 października 2014 07:25:54 UTC+2 użytkownik Michel Gerin 
napisał:
>
> Hello David,
>
> Yes you are right. If I cannot solve this shutdown problem  it's probably 
> the only solution.
>
> But it's frustrating when you think that the BeagleBone Black has its own 
> battery charger and own UPS that can only run during 60 seconds because of 
> this self shutdown problem !
> Why does it work correctly on a BBB running a VoIP PBX (probably running 
> with Ubuntu) and not with a Debian or Angström distribution ?
> I would prefer Debian or Angström built for BeagleBone Black distribution 
> not to be able to make a self  shutdown and let this possibility to the 
> user.   
>
> An external backup UPS draws also additional current when running. I 
> wanted to keep power consumption as low as possible. Moreover, I don't need 
> 5V from the BBB when running under UPS mode.
>
>  If a know that a SW solution exists, I won't give up so easily. :-)
>
> Kind regards
>
> Michel.
>
> 2014-10-17 0:13 GMT+02:00 David Funk >:
>
>> Maybe use a battery backup UPS to run your 5 volt power supply to the BBB?
>>
>>
>>
>> -david
>>
>> On Thu, Oct 16, 2014 at 12:49 PM, Michel Gerin > > wrote:
>>
>>> Hello Robert,
>>>
>>> Thank you spending your time to help me.
>>>  
>>> First of all, sorry if I didn't explain things correctly. I think there 
>>> is a misunderstanding  (I am French speaking) .
>>>
>>> I don't want BeagleBone to perform a shutdown during power outage. I 
>>> want BBB  running continuously like my VoIP PBX also based on BeagleBone 
>>> Black. But I think, that in this later case, the developper used 
>>> Ubuntu (neither Debian nor Angström).  As these OS are official BBB OS, I 
>>> prefer using them for my application. I am electrician, I don't really want 
>>> to spend too much time on SW bugs as I am not skilled for that task. 
>>>
>>> One word perhaps about the application: it is very simple. I must 
>>> monitor mains power supply in different locations and have to log power 
>>> outage events on a file with time stamps.  I have also to log grid 
>>> switching events ...  The specialized 230V AC monitoring system has no 
>>> Ethernet connection but can be associated with BBB GPIO's. So that log file 
>>> could be downloaded when power outage is over.
>>>
>>> The problem is that, even with battery plugged in, the BeagleBone Black 
>>> perform a self shutdown within 60 seconds after mains power off (5V DC 
>>> power supply)...
>>>
>>> Hope my explanation is now better.
>>>
>>> Kind regards
>>>
>>> Michel.
>>>
>>>
>>>
>>> 2014-10-16 19:04 GMT+02:00 Robert Nelson >> >:
>>>
 On Thu, Oct 16, 2014 at 12:00 PM, Michel Gerin >>> > wrote:
 > Thank you for your quick reply.
 >
 > you wrote:
 >
 >>
 >> No shutdown is a function of the SW.The SRM covers the hardware.
 >
 >
 > OK,  than  I suppose that somewhere in the whole Debian package, a 
 routine
 > is permanentely  checking (polling) if 5V DC power supply  is still 
 "ON".
 > When it is not the case  an event is fired in order to start a clean
 > shutdown procedure? Am I correct ? Does this happen via the I²C bus ? 
 Does
 > this routine makes a polling to the TPS65217C PMIC ?

 Nope you need to tell it..

 Either via: "sudo halt" or.. setup a pin/interrupt to trigger systemd
 to shutdown the system..

 Regards,

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

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Re: [beagleboard] External HDMI output

2014-10-17 Thread Bremenpl

Whats there to be kidding about? I have obtained AD9889B from analog 
devices, but I am not sure either it would work. I havent worked with 
HDMI interface before. I dont want you to get me a certain chip, just a 
hint either it can be replaced easilly.


W dniu 2014-10-17 o 17:50, Gerald Coley pisze:

You are kidding.

Gerald




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[beagleboard] Labolatory power supply fails to power up BeagleBone Black

2014-11-14 Thread bremenpl

Hello there,
I have a very strange problem with powering up BeagleBone Black (rev C) 
When i try to power it up from some cheap AC adapter it works fine, but 
when I connect to to my labolatory power supply the power LED on board is 
lid for a second and then doesnt power up the MCU and turns off intead. I 
have connected both supplys to osciloscope and they are both stable, the 
laboratory one even more. Why is the power controller on the BeagleBone 
Black refusing to power up the MCU when powered from lab supply? I have no 
idea what is this about. I would aprichiate any help.

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Re: [beagleboard] Labolatory power supply fails to power up BeagleBone Black

I just plug the power and the board normally should turn on but it doesnt. 
I then press the pwr btn but the result is the same as if i plugged the 
power supply in.



Dnia 14 listopada 2014 13:06:11 Gerald Coley  
napisał(a):



Have you tried leaving the power supply on and plug in the cable to the
board or are you using the power switch on the power supply?

Gerald

On Friday, November 14, 2014, bremenpl  wrote:

> Hello there,
> I have a very strange problem with powering up BeagleBone Black (rev
> C) When i try to power it up from some cheap AC adapter it works fine,
> but when I connect to to my labolatory power supply the power LED on board
> is lid for a second and then doesnt power up the MCU and turns off intead.
> I have connected both supplys to osciloscope and they are both stable, the
> laboratory one even more. Why is the power controller on the BeagleBone
> Black refusing to power up the MCU when powered from lab supply? I have no
> idea what is this about. I would aprichiate any help.
>
> --
> For more options, visit http://beagleboard.org/discuss
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http://beagleboard.org/
http://circuitco.com/support/

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Re: [beagleboard] Labolatory power supply fails to power up BeagleBone Black


I read you post again:
I am plugging a cable that has power already, not using the switch.


Dnia 14 listopada 2014 13:06:11 Gerald Coley  
napisał(a):



Have you tried leaving the power supply on and plug in the cable to the
board or are you using the power switch on the power supply?

Gerald

On Friday, November 14, 2014, bremenpl  wrote:

> Hello there,
> I have a very strange problem with powering up BeagleBone Black (rev
> C) When i try to power it up from some cheap AC adapter it works fine,
> but when I connect to to my labolatory power supply the power LED on board
> is lid for a second and then doesnt power up the MCU and turns off intead.
> I have connected both supplys to osciloscope and they are both stable, the
> laboratory one even more. Why is the power controller on the BeagleBone
> Black refusing to power up the MCU when powered from lab supply? I have no
> idea what is this about. I would aprichiate any help.
>
> --
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Re: [beagleboard] Labolatory power supply fails to power up BeagleBone Black


What is the exact circuit that requires a fast ramp?

W dniu 2014-11-14 o 14:48, evilwulfie pisze:

As Gerald has said before, check the ramp up of the power supply.
Some of the lab supplys have slow ramp ups.
Yes they are very stable and VERY good regulation but
the BBB design requires a fast ramp up supply.



On 11/14/2014 3:03 AM, bremenpl wrote:

Hello there,
I have a very strange problem with powering up BeagleBone Black (rev 
C) When i try to power it up from some cheap AC adapter it works 
fine, but when I connect to to my labolatory power supply the power 
LED on board is lid for a second and then doesnt power up the MCU and 
turns off intead. I have connected both supplys to osciloscope and 
they are both stable, the laboratory one even more. Why is the power 
controller on the BeagleBone Black refusing to power up the MCU when 
powered from lab supply? I have no idea what is this about. I would 
aprichiate any help.

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Re: [beagleboard] Labolatory power supply fails to power up BeagleBone Black

Is there a workaround for this? I thought that pre charged capacitors 
could help but in my application power to the BeagleBone Black is aplied 
in the same time as to the rest of the circuit.


W dniu 2014-11-14 o 15:19, Gerald Coley pisze:

The power management IC, TPS65217C.

Gerald


On Fri, Nov 14, 2014 at 8:15 AM, Bremenpl <mailto:breme...@gmail.com>> wrote:


What is the exact circuit that requires a fast ramp?

W dniu 2014-11-14 o 14:48, evilwulfie pisze:

As Gerald has said before, check the ramp up of the power supply.
Some of the lab supplys have slow ramp ups.
Yes they are very stable and VERY good regulation but
the BBB design requires a fast ramp up supply.



On 11/14/2014 3:03 AM, bremenpl wrote:

Hello there,
I have a very strange problem with powering up BeagleBone Black
(rev C) When i try to power it up from some cheap AC adapter
it works fine, but when I connect to to my labolatory power
supply the power LED on board is lid for a second and then
doesnt power up the MCU and turns off intead. I have connected
both supplys to osciloscope and they are both stable, the
laboratory one even more. Why is the power controller on the
BeagleBone Black refusing to power up the MCU when powered from
lab supply? I have no idea what is this about. I would
aprichiate any help.
-- 
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Re: [beagleboard] Labolatory power supply fails to power up BeagleBone Black

I dont agree here, and this is the weird part. A cheap 5V wall plug adapter 
works great and a certified meanwell supply does not. Can it be a case 
related to linear/ switching power supply?



Dnia 14 listopada 2014 16:01:26 Gerald Coley  
napisał(a):



We are working on one if we can collect enough information to confirm the
issue. it appears to be a power supply issue that creates a condition that
the TPS65217C does not like. If you use a good power supply, the issue is
not there.


Gerald


On Fri, Nov 14, 2014 at 8:31 AM, Bremenpl  wrote:

>  Is there a workaround for this? I thought that pre charged capacitors
> could help but in my application power to the BeagleBone Black is aplied in
> the same time as to the rest of the circuit.
>
> W dniu 2014-11-14 o 15:19, Gerald Coley pisze:
>
> The power management IC, TPS65217C.
>
>  Gerald
>
>
> On Fri, Nov 14, 2014 at 8:15 AM, Bremenpl  wrote:
>
>>  What is the exact circuit that requires a fast ramp?
>>
>> W dniu 2014-11-14 o 14:48, evilwulfie pisze:
>>
>> As Gerald has said before, check the ramp up of the power supply.
>> Some of the lab supplys have slow ramp ups.
>> Yes they are very stable and VERY good regulation but
>> the BBB design requires a fast ramp up supply.
>>
>>
>>
>> On 11/14/2014 3:03 AM, bremenpl wrote:
>>
>> Hello there,
>> I have a very strange problem with powering up BeagleBone Black (rev
>> C) When i try to power it up from some cheap AC adapter it works fine,
>> but when I connect to to my labolatory power supply the power LED on board
>> is lid for a second and then doesnt power up the MCU and turns off intead.
>> I have connected both supplys to osciloscope and they are both stable, the
>> laboratory one even more. Why is the power controller on the BeagleBone
>> Black refusing to power up the MCU when powered from lab supply? I have no
>> idea what is this about. I would aprichiate any help.
>>  --
>> For more options, visit http://beagleboard.org/discuss
>> ---
>> You received this message because you are subscribed to the Google Groups
>> "BeagleBoard" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to beagleboard+unsubscr...@googlegroups.com.
>> For more options, visit https://groups.google.com/d/optout.
>>
>>
>> --
>> For more options, visit http://beagleboard.org/discuss
>> ---
>>  You received this message because you are subscribed to a topic in the
>> Google Groups "BeagleBoard" group.
>> To unsubscribe from this topic, visit
>> https://groups.google.com/d/topic/beagleboard/xRPC_39ju9Y/unsubscribe.
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>> beagleboard+unsubscr...@googlegroups.com.
>> For more options, visit https://groups.google.com/d/optout.
>>
>>
>> --
>> Bremenpl
>>
>>   --
>> For more options, visit http://beagleboard.org/discuss
>> ---
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>>
>
>
>
>  --
>   Gerald
>
> ger...@beagleboard.org
> http://beagleboard.org/
>  http://circuitco.com/support/
>   --
> For more options, visit http://beagleboard.org/discuss
> ---
> You received this message because you are subscribed to a topic in the
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>
> --
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>
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Re: [beagleboard] Labolatory power supply fails to power up BeagleBone Black

I understand, thank you for the info. I will make more attempts at monday 
with another bbb board. For now I have a 10k resistor on the TS pin because 
I intend to use the battery to. If the voltage is measured on the resistor 
ill swap it to lower value one. I hope ill get it working using meanwell 
power supply.



Dnia 14 listopada 2014 16:16:30 Gerald Coley  
napisał(a):



Not likely. As I said we need more boards that fail and the power supply
that is used with them. What I have seen is that it tries to switch to the
battery, that is not there, for whatever reason. Theory is it sees a
voltage drop due to the inrush limit on certain power supplies. I have
fixed this on a few boards by connecting the TS signal hard to ground using
the battery pins on the board.

What I see when the board "does not power up" is the PMIC cycling on and
off. You can look at the 5V output rail of the PMIC for this condition.

Gerald


On Fri, Nov 14, 2014 at 9:03 AM, Bremenpl  wrote:

>   I dont agree here, and this is the weird part. A cheap 5V wall plug
> adapter works great and a certified meanwell supply does not. Can it be a
> case related to linear/ switching power supply?
>
> Dnia 14 listopada 2014 16:01:26 Gerald Coley 
> napisał(a):
>
>> We are working on one if we can collect enough information to confirm the
>> issue. it appears to be a power supply issue that creates a condition that
>> the TPS65217C does not like. If you use a good power supply, the issue is
>> not there.
>>
>>
>> Gerald
>>
>>
>> On Fri, Nov 14, 2014 at 8:31 AM, Bremenpl  wrote:
>>
>>>  Is there a workaround for this? I thought that pre charged capacitors
>>> could help but in my application power to the BeagleBone Black is aplied in
>>> the same time as to the rest of the circuit.
>>>
>>> W dniu 2014-11-14 o 15:19, Gerald Coley pisze:
>>>
>>> The power management IC, TPS65217C.
>>>
>>>  Gerald
>>>
>>>
>>> On Fri, Nov 14, 2014 at 8:15 AM, Bremenpl  wrote:
>>>
>>>>  What is the exact circuit that requires a fast ramp?
>>>>
>>>> W dniu 2014-11-14 o 14:48, evilwulfie pisze:
>>>>
>>>> As Gerald has said before, check the ramp up of the power supply.
>>>> Some of the lab supplys have slow ramp ups.
>>>> Yes they are very stable and VERY good regulation but
>>>> the BBB design requires a fast ramp up supply.
>>>>
>>>>
>>>>
>>>> On 11/14/2014 3:03 AM, bremenpl wrote:
>>>>
>>>> Hello there,
>>>> I have a very strange problem with powering up BeagleBone Black (rev
>>>> C) When i try to power it up from some cheap AC adapter it works fine,
>>>> but when I connect to to my labolatory power supply the power LED on board
>>>> is lid for a second and then doesnt power up the MCU and turns off intead.
>>>> I have connected both supplys to osciloscope and they are both stable, the
>>>> laboratory one even more. Why is the power controller on the BeagleBone
>>>> Black refusing to power up the MCU when powered from lab supply? I have no
>>>> idea what is this about. I would aprichiate any help.
>>>>  --
>>>> For more options, visit http://beagleboard.org/discuss
>>>> ---
>>>> You received this message because you are subscribed to the Google
>>>> Groups "BeagleBoard" group.
>>>> To unsubscribe from this group and stop receiving emails from it, send
>>>> an email to beagleboard+unsubscr...@googlegroups.com.
>>>> For more options, visit https://groups.google.com/d/optout.
>>>>
>>>>
>>>> --
>>>> For more options, visit http://beagleboard.org/discuss
>>>> ---
>>>>  You received this message because you are subscribed to a topic in the
>>>> Google Groups "BeagleBoard" group.
>>>> To unsubscribe from this topic, visit
>>>> https://groups.google.com/d/topic/beagleboard/xRPC_39ju9Y/unsubscribe.
>>>> To unsubscribe from this group and all its topics, send an email to
>>>> beagleboard+unsubscr...@googlegroups.com.
>>>> For more options, visit https://groups.google.com/d/optout.
>>>>
>>>>
>>>> --
>>>> Bremenpl
>>>>
>>>>   --
>>>> For more options, visit http://beagleboard.org/discuss
>>>> ---
>>>> You received this message because you are subscribed to the Google
>>>> Groups "BeagleBoard" group.
>>>> To

Re: [beagleboard] Labolatory power supply fails to power up BeagleBone Black


How can I know either it switched without taking the battery out?


Dnia 14 listopada 2014 16:35:42 Gerald Coley  
napisał(a):



Another test here would be to connect the battery and see if after it
switches to the battery if it switches back to the DC input.

Gerald


On Fri, Nov 14, 2014 at 9:31 AM, Bremenpl  wrote:

>   I understand, thank you for the info. I will make more attempts at
> monday with another bbb board. For now I have a 10k resistor on the TS pin
> because I intend to use the battery to. If the voltage is measured on the
> resistor ill swap it to lower value one. I hope ill get it working using
> meanwell power supply.
>
> Dnia 14 listopada 2014 16:16:30 Gerald Coley 
> napisał(a):
>
>> Not likely. As I said we need more boards that fail and the power supply
>> that is used with them. What I have seen is that it tries to switch to the
>> battery, that is not there, for whatever reason. Theory is it sees a
>> voltage drop due to the inrush limit on certain power supplies. I have
>> fixed this on a few boards by connecting the TS signal hard to ground using
>> the battery pins on the board.
>>
>> What I see when the board "does not power up" is the PMIC cycling on and
>> off. You can look at the 5V output rail of the PMIC for this condition.
>>
>> Gerald
>>
>>
>> On Fri, Nov 14, 2014 at 9:03 AM, Bremenpl  wrote:
>>
>>>   I dont agree here, and this is the weird part. A cheap 5V wall plug
>>> adapter works great and a certified meanwell supply does not. Can it be a
>>> case related to linear/ switching power supply?
>>>
>>> Dnia 14 listopada 2014 16:01:26 Gerald Coley 
>>> napisał(a):
>>>
>>>> We are working on one if we can collect enough information to confirm
>>>> the issue. it appears to be a power supply issue that creates a condition
>>>> that the TPS65217C does not like. If you use a good power supply, the 
issue

>>>> is not there.
>>>>
>>>>
>>>> Gerald
>>>>
>>>>
>>>> On Fri, Nov 14, 2014 at 8:31 AM, Bremenpl  wrote:
>>>>
>>>>>  Is there a workaround for this? I thought that pre charged capacitors
>>>>> could help but in my application power to the BeagleBone Black is 
aplied in

>>>>> the same time as to the rest of the circuit.
>>>>>
>>>>> W dniu 2014-11-14 o 15:19, Gerald Coley pisze:
>>>>>
>>>>> The power management IC, TPS65217C.
>>>>>
>>>>>  Gerald
>>>>>
>>>>>
>>>>> On Fri, Nov 14, 2014 at 8:15 AM, Bremenpl  wrote:
>>>>>
>>>>>>  What is the exact circuit that requires a fast ramp?
>>>>>>
>>>>>> W dniu 2014-11-14 o 14:48, evilwulfie pisze:
>>>>>>
>>>>>> As Gerald has said before, check the ramp up of the power supply.
>>>>>> Some of the lab supplys have slow ramp ups.
>>>>>> Yes they are very stable and VERY good regulation but
>>>>>> the BBB design requires a fast ramp up supply.
>>>>>>
>>>>>>
>>>>>>
>>>>>> On 11/14/2014 3:03 AM, bremenpl wrote:
>>>>>>
>>>>>> Hello there,
>>>>>> I have a very strange problem with powering up BeagleBone Black (rev
>>>>>> C) When i try to power it up from some cheap AC adapter it works 
fine,
>>>>>> but when I connect to to my labolatory power supply the power LED on 
board
>>>>>> is lid for a second and then doesnt power up the MCU and turns off 
intead.
>>>>>> I have connected both supplys to osciloscope and they are both 
stable, the

>>>>>> laboratory one even more. Why is the power controller on the BeagleBone
>>>>>> Black refusing to power up the MCU when powered from lab supply? I 
have no

>>>>>> idea what is this about. I would aprichiate any help.
>>>>>>  --
>>>>>> For more options, visit http://beagleboard.org/discuss
>>>>>> ---
>>>>>> You received this message because you are subscribed to the Google
>>>>>> Groups "BeagleBoard" group.
>>>>>> To unsubscribe from this group and stop receiving emails from it,
>>>>>> send an email to beagleboard+unsubscr...@googlegroups.com.
>>>>>> For more options, visit https://groups.google.com/d/optout.
>>>>>>
>>

Re: [beagleboard] Labolatory power supply fails to power up BeagleBone Black


Ill get it tested, thank you. If this worked it would solve my problem.


Dnia 14 listopada 2014 16:41:30 Gerald Coley  
napisał(a):



The output voltage level is different. When the DC is contented it is
supposed to go to the DC input and go into charge mode for the battery.
Measure the output voltage of the PMIC. If it is 5V, then it is DC in. If
it is 3.7V +/- then it is running on the battery.

Gerald


On Fri, Nov 14, 2014 at 9:37 AM, Bremenpl  wrote:

>   How can I know either it switched without taking the battery out?
>
> Dnia 14 listopada 2014 16:35:42 Gerald Coley 
> napisał(a):
>
>> Another test here would be to connect the battery and see if after it
>> switches to the battery if it switches back to the DC input.
>>
>> Gerald
>>
>>
>> On Fri, Nov 14, 2014 at 9:31 AM, Bremenpl  wrote:
>>
>>>   I understand, thank you for the info. I will make more attempts at
>>> monday with another bbb board. For now I have a 10k resistor on the TS pin
>>> because I intend to use the battery to. If the voltage is measured on the
>>> resistor ill swap it to lower value one. I hope ill get it working using
>>> meanwell power supply.
>>>
>>> Dnia 14 listopada 2014 16:16:30 Gerald Coley 
>>> napisał(a):
>>>
>>>> Not likely. As I said we need more boards that fail and the power
>>>> supply that is used with them. What I have seen is that it tries to switch
>>>> to the battery, that is not there, for whatever reason. Theory is it 
sees a

>>>> voltage drop due to the inrush limit on certain power supplies. I have
>>>> fixed this on a few boards by connecting the TS signal hard to ground 
using

>>>> the battery pins on the board.
>>>>
>>>> What I see when the board "does not power up" is the PMIC cycling on
>>>> and off. You can look at the 5V output rail of the PMIC for this 
condition.

>>>>
>>>> Gerald
>>>>
>>>>
>>>> On Fri, Nov 14, 2014 at 9:03 AM, Bremenpl  wrote:
>>>>
>>>>>   I dont agree here, and this is the weird part. A cheap 5V wall plug
>>>>> adapter works great and a certified meanwell supply does not. Can it be a
>>>>> case related to linear/ switching power supply?
>>>>>
>>>>> Dnia 14 listopada 2014 16:01:26 Gerald Coley 
>>>>> napisał(a):
>>>>>
>>>>>> We are working on one if we can collect enough information to confirm
>>>>>> the issue. it appears to be a power supply issue that creates a 
condition
>>>>>> that the TPS65217C does not like. If you use a good power supply, 
the issue

>>>>>> is not there.
>>>>>>
>>>>>>
>>>>>> Gerald
>>>>>>
>>>>>>
>>>>>> On Fri, Nov 14, 2014 at 8:31 AM, Bremenpl  wrote:
>>>>>>
>>>>>>>  Is there a workaround for this? I thought that pre charged
>>>>>>> capacitors could help but in my application power to the BeagleBone 
Black

>>>>>>> is aplied in the same time as to the rest of the circuit.
>>>>>>>
>>>>>>> W dniu 2014-11-14 o 15:19, Gerald Coley pisze:
>>>>>>>
>>>>>>> The power management IC, TPS65217C.
>>>>>>>
>>>>>>>  Gerald
>>>>>>>
>>>>>>>
>>>>>>> On Fri, Nov 14, 2014 at 8:15 AM, Bremenpl 
>>>>>>> wrote:
>>>>>>>
>>>>>>>>  What is the exact circuit that requires a fast ramp?
>>>>>>>>
>>>>>>>> W dniu 2014-11-14 o 14:48, evilwulfie pisze:
>>>>>>>>
>>>>>>>> As Gerald has said before, check the ramp up of the power supply.
>>>>>>>> Some of the lab supplys have slow ramp ups.
>>>>>>>> Yes they are very stable and VERY good regulation but
>>>>>>>> the BBB design requires a fast ramp up supply.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On 11/14/2014 3:03 AM, bremenpl wrote:
>>>>>>>>
>>>>>>>> Hello there,
>>>>>>>> I have a very strange problem with powering up BeagleBone Black
>>>>>>>> (rev C) When i try to power it up from some cheap AC adapter 
it works
>>>>>>>

Re: [beagleboard] Labolatory power supply fails to power up BeagleBone Black