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OM2M GSCL on Raspberry PI or Android possibility [message #1403757]

Fri, 25 July 2014 20:03

Eclipse User

Hi there,

I'm wondering whether current version of OM2M GSCL can be built on Raspberry PI or Android? If so, what procedures do I need to take?

Thanks,

Han

Re: OM2M GSCL on Raspberry PI or Android possibility [message #1403811 is a reply to message #1403757]

Sun, 27 July 2014 20:06

Eclipse User

Hello han,

I am usually using OM2M on Beaglebone Black as you can see in this demo: https://www.youtube.com/watch?v=pPTAdJZpnsk
OM2M is a java platform running on top of an Equinox OSGi runtime. So, nothing special to do to run OM2M on Raspberry PI, just be sure to have java version 7 and that's all. (Use the same command mentioned on the wiki)

We developed an android version of OM2M, not yet published on Eclipse cause we need to do more tests. We faced some issues with the JAXB library (XML object mapping) which is not included in android. As alternative, we replaced JAXB with the SimpleXML library.

Don't hesitate to give me some feedback about your experiments.

Mahdi

[Updated on: Sun, 27 July 2014 20:11] by Moderator

Re: OM2M GSCL on Raspberry PI or Android possibility [message #1403895 is a reply to message #1403811]

Mon, 28 July 2014 09:53

Eclipse User

You can make a quick test on Raspberry Pi using the OM2M binaries available on this link: https://wiki.eclipse.org/OM2M/Download#Get_OM2M_binaries

Re: OM2M GSCL on Raspberry PI or Android possibility [message #1403954 is a reply to message #1403895]

Mon, 28 July 2014 13:14

Eclipse User

Thank you for all information you provided, Mahdi!

Re: OM2M GSCL on Raspberry PI or Android possibility [message #1417071 is a reply to message #1403757]

Thu, 04 September 2014 17:42

Eclipse User

Hi Madhi,

I still have questions to let OM2M project run on android. Since OM2M is built on Equinox runtime, then Equinox should be possible to run on Android. However, I didn't find any useful material stating current Equinox is possible to run on Android. I also tried to immigrate OM2M to Apache Felix, which can be run on Android but only got failure. How did you get OM2M work on Android? Thanks!

Han

Re: OM2M GSCL on Raspberry PI or Android possibility [message #1431378 is a reply to message #1417071]

Thu, 25 September 2014 12:03

Eclipse User

Hello Han,

The guy who worked on OM2M for android was not really interested in extensiblity that's why he removed totally the OSGi Equinox container.
But I am not happy with this development, because as you said, OSGi felix works perfectly in Android.
What kind of problems you faced ? Are errors related to OSGi or JAXb ?

Mahdi

Re: OM2M GSCL on Raspberry PI or Android possibility [message #1431423 is a reply to message #1431378]

Thu, 25 September 2014 13:23

Eclipse User

Hi Mahdi,

I tried to immigrate OM2M bundles to Felix, but found errors. I was thinking maybe it's the dependency issue of Equinox. But then I found based on the nature of my project, I also need to work without OSGi. Is there any possibility to open source your work on Android? Thanks!

Han

Re: OM2M GSCL on Raspberry PI or Android possibility [message #1496926 is a reply to message #1431423]

Wed, 03 December 2014 06:49

Eclipse User

Hi Mahdi,
I'm still exploring om2m,
so it is a question of comprehension and may be stupid,
If we suppose that a mobile device (smart phone) host a Home Controller android application, so this application will register to nscl, then it will use services exposed by nscl to dynamically discover home devices (sensors, actuators and other mobile device) and control them.
1- is this scenario feasible? (I'm still understanding the platform Rolling Eyes

)
2- should om2m run on android in this case?

[Updated on: Wed, 03 December 2014 06:51] by Moderator

Re: OM2M GSCL on Raspberry PI or Android possibility [message #1498317 is a reply to message #1496926]

Thu, 04 December 2014 05:18

Eclipse User

Hello,

1) Yes this is a typical M2M scenario, that can be easily implemented using OM2M.

2) You have two choices depending on your need.
a) (Easy) Run a light HTTP or CoAP device application (including client and server) on Android for your home controller. This application will interact remotely with the NSCL or GSCL using the REST API. In this case the NSCL or GSCL should run in a separate machine.
b) (Advanced) Run the SCL on Android, then register your device applications locally. In this case, the Android becomes a part of the service layer (DSCL) and offers services to applications based on the REST API. However, the current version of OM2M do not natively support Android . Some changes should be made.

Hope this can help.

[Updated on: Thu, 04 December 2014 05:20] by Moderator

Re: OM2M GSCL on Raspberry PI or Android possibility [message #1499748 is a reply to message #1498317]

Fri, 05 December 2014 06:28

Eclipse User

Thank you Mahdi Smile

it was very helpful

Re: OM2M GSCL on Raspberry PI or Android possibility [message #1678957 is a reply to message #1417071]

Mon, 16 March 2015 08:08

Eclipse User

Hi

How did u try to migrate OM2M to apache felix.Can u help me in this.

Thanks in advance

Re: OM2M GSCL on Raspberry PI or Android possibility [message #1688348 is a reply to message #1678957]

Fri, 20 March 2015 10:15

Eclipse User

Hello Ravi,

You should be familiar with Felix OSGi development to be able to migrate the OM2M code. (add new plugins to Felix, handle the Felix configuration file, etc.)
Please find my response here: https://www.eclipse.org/forums/index.php/t/1041978/

Mahdi

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