Re: [yocto] How do I used Yocto to build an sdcard image for my Raspberry Pi 3 Model B?

2016-11-03 Thread Khem Raj 

> On Nov 3, 2016, at 4:57 AM, Thomas Thorne  wrote:
> 
> Presumably because I have in my local.conf:
> IMAGE_FSTYPES = "tar.xz ext3"
> 

yes thats the problem.


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Re: [yocto] How do I used Yocto to build an sdcard image for my Raspberry Pi 3 Model B?

2016-11-03 Thread Thomas Thorne 
May have solved the issue.  Thank you for your help.  

> What do you get from this?
>% bitbake rpi-test-image -e | grep ^IMAGE_FSTYPES

I get:
thomasthorne@thorne-ul-dt:~/work/rpi-layer/build$ bitbake rpi-test-image -e | 
grep ^IMAGE_FSTYPES
IMAGE_FSTYPES_DEBUGFS="tar.xz ext3"
IMAGE_FSTYPES="tar.xz ext3"

Presumably because I have in my local.conf:
IMAGE_FSTYPES = "tar.xz ext3"

If I update that to be "tar.xz ext3 sdimg" I get error messages such as:
$ bitbake rpi-test-image -e | grep ^IMAGE_FSTYPES
ERROR: 
/home/thomasthorne/work/yocto-rpi/meta-raspberrypi/recipes-core/images/rpi-test-image.bb:
 No IMAGE_CMD defined for IMAGE_FSTYPES entry 'sdimg' - possibly invalid type 
name or missing support class
ERROR: 
/home/thomasthorne/work/yocto-rpi/meta-raspberrypi/recipes-core/images/rpi-hwup-image.bb:
 No IMAGE_CMD defined for IMAGE_FSTYPES entry 'sdimg' - possibly invalid type 
name or missing support class
ERROR: 
/home/thomasthorne/work/yocto-rpi/meta-raspberrypi/recipes-core/images/rpi-basic-image.bb:
 No IMAGE_CMD defined for IMAGE_FSTYPES entry 'sdimg' - possibly invalid type 
name or missing support class
ERROR: /home/thomasthorne/work/rpi-layer/meta-rpi/images/qt5-basic-image.bb: No 
IMAGE_CMD defined for IMAGE_FSTYPES entry 'sdimg' - possibly invalid type name 
or missing support class
ERROR: /home/thomasthorne/work/rpi-layer/meta-rpi/images/console-image.bb: No 
IMAGE_CMD defined for IMAGE_FSTYPES entry 'sdimg' - possibly invalid type name 
or missing support class
ERROR: Failed to parse recipe: 
/home/thomasthorne/work/yocto-rpi/meta-raspberrypi/recipes-core/images/rpi-hwup-image.bb
ERROR: /home/thomasthorne/work/rpi-layer/meta-rpi/images/audio-image.bb: No 
IMAGE_CMD defined for IMAGE_FSTYPES entry 'sdimg' - possibly invalid type name 
or missing support class
ERROR: /home/thomasthorne/work/rpi-layer/meta-rpi/images/qt5-image.bb: No 
IMAGE_CMD defined for IMAGE_FSTYPES entry 'sdimg' - possibly invalid type name 
or missing support class

> If it doesn't say (at least)
>IMAGE_FSTYPES="tar.bz2 ext3 rpi-sdimg"
> then try making those settings in your local.conf

That might help.  I seem to now get:

$ bitbake rpi-test-image -e | grep ^IMAGE_FSTYPES
IMAGE_FSTYPES_DEBUGFS="tar.xz ext3 rpi-sdimg"
IMAGE_FSTYPES="tar.xz ext3 rpi-sdimg"

So the system is happy with the rpi-sdimg but not sdimg on its own.  

Now when I perform `$ bitbake rpi-test-image` I get a few warnings about 
license files and then the baking seems to fail with an error about "dd: failed 
to open '/rpi-test-image-raspberrypi3-20161103111232.rootfs.rpi-sdimg': 
Permission denied". That is documented as do_image_rpi_sdimg failed with 
oe-core in krogoth branch 
https://github.com/agherzan/meta-raspberrypi/issues/30 for the meta-raspberrypi 
layer.  That error is resolved on a krogoth specific branch for the 
meta-raspberrypi later.  Checking out that branch instead of master allows the 
SD card image creation to succeed.  I can now see sdimg files:

$ ls tmp/deploy/images/raspberrypi3/*.rpi-sdimg
tmp/deploy/images/raspberrypi3/rpi-test-image-raspberrypi3-20161103113408.rootfs.rpi-sdimg
tmp/deploy/images/raspberrypi3/rpi-test-image-raspberrypi3.rpi-sdimg

Once again thank you for your assistance.  

If you use the Raspberry Pi StackExchange site, please add your suggestion of 
including rpi-sdimg as an answer to 
http://raspberrypi.stackexchange.com/questions/57155/how-do-i-used-yocto-to-build-an-sdcard-image-for-my-raspberry-pi-3-model-b
  If you do not use that site then I will add an answer with an attribution to 
you & this list later today.  

Grateful Regards, 

Thomas A. F. Thorne  Software Engineer  Net2Edge

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Re: [yocto] How do I used Yocto to build an sdcard image for my Raspberry Pi 3 Model B?

2016-11-03 Thread Gary Thomas 

On 2016-11-03 10:21, Thomas Thorne wrote:

Do you see an image with .rpi-sdimg in deploy/images/raspberrypi3




No, files such as that not turning up is exactly what I am asking about.



thomasthorne@thorne-ul-dt:~/work/rpi-layer/build$ ls 
tmp/deploy/images/raspberrypi3/*.rpi-sdimg

ls: cannot access 'tmp/deploy/images/raspberrypi3/*.rpi-sdimg': No such file or 
directory

thomasthorne@thorne-ul-dt:~/work/rpi-layer/build$ ls 
tmp/deploy/images/raspberrypi2/*.rpi-sdimg

ls: cannot access 'tmp/deploy/images/raspberrypi2/*.rpi-sdimg': No such file or 
directory



I have tried building for Pi 2 and Pi 3.  rpi-test-image, rpi-basic-image, 
console-image, core-image-minimal,
core-image-full but none of them seem to have generated an SD image.  Plenty of 
other files I could put together but no
ready formed image to dd across.


What do you get from this?
  % bitbake rpi-test-image -e | grep ^IMAGE_FSTYPES

If it doesn't say (at least)
  IMAGE_FSTYPES="tar.bz2 ext3 rpi-sdimg"
then try making those settings in your local.conf

--

Gary Thomas |  Consulting for the
MLB Associates  |Embedded world

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Re: [yocto] How do I used Yocto to build an sdcard image for my Raspberry Pi 3 Model B?

2016-11-03 Thread Thomas Thorne 
> Do you see an image with .rpi-sdimg in deploy/images/raspberrypi3

No, files such as that not turning up is exactly what I am asking about.

thomasthorne@thorne-ul-dt:~/work/rpi-layer/build$ ls 
tmp/deploy/images/raspberrypi3/*.rpi-sdimg
ls: cannot access 'tmp/deploy/images/raspberrypi3/*.rpi-sdimg': No such file or 
directory
thomasthorne@thorne-ul-dt:~/work/rpi-layer/build$ ls 
tmp/deploy/images/raspberrypi2/*.rpi-sdimg
ls: cannot access 'tmp/deploy/images/raspberrypi2/*.rpi-sdimg': No such file or 
directory

I have tried building for Pi 2 and Pi 3.  rpi-test-image, rpi-basic-image, 
console-image, core-image-minimal, core-image-full but none of them seem to 
have generated an SD image.  Plenty of other files I could put together but no 
ready formed image to dd across.

Thomas A. F. Thorne  Software Engineer  
Net2Edge
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Re: [yocto] How do I used Yocto to build an sdcard image for my Raspberry Pi 3 Model B?

2016-11-02 Thread Khem Raj 
Do you see an image with .rpi-sdimg in deploy/images/raspberrypi3

 % ls *.rpi-sdimg
rpi-hwup-image-raspberrypi3-20161103050832.rootfs.rpi-sdimg
rpi-hwup-image-raspberrypi3.rpi-sdimg@

Thats the one you should be able to dd

> On Nov 2, 2016, at 6:10 AM, Thomas A. F. Thorne MEng AUS MIET 
> <thomas.tho...@net2edge.com> wrote:
> 
> I was starting to look at using Yocto <https://www.yoctoproject.org/> as a 
> system for building software images for the Raspberry Pi 3 Model B that I 
> have. I wanted to try using Yocto as there are some projects at my office 
> that may begin using it in the future. One of the nice points is that all the 
> setup of cross compilers for your target system is handled by a Yocto layer. 
> There is already a Yocto layer for the Raspberry Pi 
> <http://git.yoctoproject.org/cgit/cgit.cgi/meta-raspberrypi/>(meta-raspberrypi
>  <http://git.yoctoproject.org/cgit/cgit.cgi/meta-raspberrypi/>) and a custom 
> meta-rpi <https://github.com/jumpnow/meta-rpi> layer someone has put together 
> with a few more example images.
> 
> I need to either cross-compile kernel modules or use Yocto as I have special 
> drivers I wish to add to the Pi. These are already compiled and working on my 
> Ubuntu PC and I hoped using Yocto might make it easy to cross compile these 
> and any other updates in the future.
> 
> My difficulty is that the SD Card image talked about in the meta-raspberrypi 
> documentation 
> <http://git.yoctoproject.org/cgit/cgit.cgi/meta-raspberrypi/about/> and 
> several tutorials, never gets generated, even on successful builds.
> 
> Tutorials Mentioning The Use Of dd & An .sdimg File
> 
> Build a Raspberry Pi 2 Minimal Image with The Yocto Project 
> <http://www.cnx-software.com/2015/02/27/yocto-project-raspberry-pi-2-board-minimal-image/>
> Building Raspberry Pi Systems with Yocto 
> <http://www.jumpnowtek.com/rpi/Raspberry-Pi-Systems-with-Yocto.html>
> 12MB Minimal Image for Raspberry Pi using the Yocto Project 
> <http://www.cnx-software.com/2013/07/05/12mb-minimal-image-for-raspberry-pi-using-the-yocto-project/>
> Poky Raspberry Pi SD Card Image 
> <http://www.crashcourse.ca/wiki/index.php/Poky_Raspberry_Pi_SD_Card_Image>
> Commonly Seen Error
> 
> None of the builds I have made so far generate .sdimg files. When I try to 
> add the sdcard or sdcard_image-rpi image types to IMAGE_FSTYPES I get 
> messages such as:
> 
> ERROR: 
> /home/thomasthorne/work/yocto-rpi/meta-raspberrypi/recipes-core/images/rpi-test-image.bb:
>  No IMAGE_CMD defined for IMAGE_FSTYPES entry 'sdcard_image-rpi' - possibly 
> invalid type name or missing support class
> Main Questions
> 
> How do I generate the SD card image for my Pi from Yocto?
> 
> Do I need to format the SD card manually and copy over the contents bit by 
> bit?
> 
> Why do all these tutorials suggest it would be as simple as a single dd 
> command? I guess something changed in the last couple of years and they are 
> all out of date.
> 
> 
> This was also posted at 
> http://raspberrypi.stackexchange.com/questions/57155/how-do-i-used-yocto-to-build-an-sdcard-image-for-my-raspberry-pi-3-model-b
>  
> <http://raspberrypi.stackexchange.com/questions/57155/how-do-i-used-yocto-to-build-an-sdcard-image-for-my-raspberry-pi-3-model-b>before
>  I realised it is probably more of a Yocto question than a Raspberry Pi one.
> I will be very grateful of any help or advice you can offer.  Even an 
> explanation of when the generation of SD card images was dropped from the 
> Yocto Project would be very helpful.
> Regards,
> --
> Thomas A. F. Thorne MEng. AUS MIET
> Software Engineer
> 
> NET2EDGE
> 
> Tel: +44 3450 130 030 <tel:+443450130030>
> Email: thomas.tho...@net2edge.com <mailto:thomas.tho...@net2edge.com>
> Web: http://www.Net2Edge.com/ <http://www.net2edge.com/>
> 
> Net2Edge Limited is a company registered in England & Wales (Company No. 
> 2438435, VAT No. GB 537553821) Passfield Oak, Liphook, Hampshire, GU30 7RL. 
> This email transmission is confidential and intended solely for the person or 
> organisation to whom it is addressed. If you are not the intended recipient, 
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> Although all outbound mai

[yocto] How do I used Yocto to build an sdcard image for my Raspberry Pi 3 Model B?

2016-11-02 Thread Thomas A. F. Thorne MEng AUS MIET 
I was starting to look at using Yocto <https://www.yoctoproject.org/> as
a system for building software images for the Raspberry Pi 3 Model B
that I have. I wanted to try using Yocto as there are some projects at
my office that may begin using it in the future. One of the nice points
is that all the setup of cross compilers for your target system is
handled by a Yocto layer. There is already a Yocto layer for the
Raspberry Pi
<http://git.yoctoproject.org/cgit/cgit.cgi/meta-raspberrypi/>(meta-raspberrypi
<http://git.yoctoproject.org/cgit/cgit.cgi/meta-raspberrypi/>) and a
custom meta-rpi <https://github.com/jumpnow/meta-rpi> layer someone has
put together with a few more example images.

I need to either cross-compile kernel modules or use Yocto as I have
special drivers I wish to add to the Pi. These are already compiled and
working on my Ubuntu PC and I hoped using Yocto might make it easy to
cross compile these and any other updates in the future.

My difficulty is that the SD Card image talked about in
the meta-raspberrypi documentation
<http://git.yoctoproject.org/cgit/cgit.cgi/meta-raspberrypi/about/> and
several tutorials, never gets generated, even on successful builds.


Tutorials Mentioning The Use Of |dd| & An .sdimg File

  * Build a Raspberry Pi 2 Minimal Image with The Yocto Project

<http://www.cnx-software.com/2015/02/27/yocto-project-raspberry-pi-2-board-minimal-image/>
  * Building Raspberry Pi Systems with Yocto
<http://www.jumpnowtek.com/rpi/Raspberry-Pi-Systems-with-Yocto.html>
  * 12MB Minimal Image for Raspberry Pi using the Yocto Project

<http://www.cnx-software.com/2013/07/05/12mb-minimal-image-for-raspberry-pi-using-the-yocto-project/>
  * Poky Raspberry Pi SD Card Image
<http://www.crashcourse.ca/wiki/index.php/Poky_Raspberry_Pi_SD_Card_Image>


Commonly Seen Error

None of the builds I have made so far generate .sdimg files. When I try
to add the |sdcard| or |sdcard_image-rpi| image types to IMAGE_FSTYPES I
get messages such as:

|ERROR:
/home/thomasthorne/work/yocto-rpi/meta-raspberrypi/recipes-core/images/rpi-test-image.bb:
No IMAGE_CMD defined for IMAGE_FSTYPES entry 'sdcard_image-rpi' -
possibly invalid type name or missing support class |


Main Questions

/How do I generate the SD card image for my Pi from Yocto?/

Do I need to format the SD card manually and copy over the contents bit
by bit?

Why do all these tutorials suggest it would be as simple as a
single |dd| command? I guess something changed in the last couple of
years and they are all out of date.


This was also posted at
http://raspberrypi.stackexchange.com/questions/57155/how-do-i-used-yocto-to-build-an-sdcard-image-for-my-raspberry-pi-3-model-b
before I realised it is probably more of a Yocto question than a
Raspberry Pi one. 

I will be very grateful of any help or advice you can offer.  Even an
explanation of when the generation of SD card images was dropped from
the Yocto Project would be very helpful. 

Regards,

-- 
Thomas A. F. Thorne MEng. AUS MIET
*Software Engineer*

*NET2EDGE*

Tel: +44 3450 130 030 <tel:+443450130030>
Email: thomas.tho...@net2edge.com <mailto:thomas.tho...@net2edge.com>
Web: http://www.Net2Edge.com/ <http://www.Net2Edge.com>

Net2Edge Limited is a company registered in England & Wales (Company No.
2438435, VAT No. GB 537553821) Passfield Oak, Liphook, Hampshire, GU30
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intended recipient, you must not copy, distribute or disseminate the
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