BUG Community

Hi,

I got my bug-kit with bugwifi. I  was able to connect all bug-modules and verify that they are working including wifi-connectivity.

However , i am not able to install the linux.inf driver from my windows-xp laptop. I downloaded the driver from the website.

1. As soon as i plugin the bug-wifi, windows-xp detects it installs the driver which crashes the bugwifi   (within seconds) and the driver installation process gets stuck. It did not create any network connection either.

2. On reboot of bug-wifi, windows xp detects it and in a few seconds bug-wifi crashes

3. On reboot of windows-xp  same thing.

Need to know , if there is an updated linux.inf for bugwifi or if there is something else i need to do.

Thanks

Hello buguser,

We have verified and tested that USB networking on Windows XP SP3 (32 bit) does indeed work, and that the driver installation should be fine.  Can you give me some more information about what you’re seeing go wrong?


1) Windows installs the driver automatically?  Are you sure that you installed linux.inf manually? 

2) What do you mean by crashes the BUG?  Does the base LCD menu navigate?  Can you touch the LCD screen and get responsiveness? 


On another note, USB networking is cumbersome and, especially within windows—where bridging the RNDIS/Gadget traffic out through another interface can be annoying—pretty limiting.  Is there a particular reason you’re interested in USB networking instead of wifi?
 

 

hello jconnolly,

thanks for the update.

bugwifi crashes while installing the driver, (screen does not respond, buttons on the front panel LCD dont respond, loses wifi connectivity, cannot interact with bugwifi at all)

(tried on couple of different xp laptops, same issue, i am just going through the startup sequence as mentioned on the bug site)

Another question, does it work with xp and sp2 ?

Also i need the ethernet over USB so that i can connect dragonfly to download apps ?

can it do over wifi ?

I’m sorry buguser I’ve never seen a lockup on the BUG side as a result of USB networking.  One thing you can try is to change where syslogd saves the kernel messages (presumably from ssh over wifi):

vi /etc/syslog.conf

change the line where it says:

LOGFILE=/var/log/messages

to

LOGFILE=/home/root/messages

/etc/init.d/syslog restart

Try the driver again, and if it freezes, next time give me the content of that log.

thanks jconnolly,

i will try that out,

also, is it possible to use dragonfly over wifi ?

Absolutely, though jslp (the API that allows for the automatic disovery of your BUG from within the SDK) tends to be a bit flaky.  If your BUG doesn’t come up automatically, you can manually define the IP address of your BUG within the “My BUGs” view:

Right click in My BUGs view pane

Select New BUG Connection

Enter name and IP address of BUG

If you’re not sure of your BUGs ip address, you can always use the base menu to determine it:

Settings->IPAddress->eth1

jconnolly,

thanks a bunch, i was able to add the bug over wifi and transfer a few programs to it from dragonfly on Ubuntu.

wifi-connection is bit flaky but ok.

i was trying to download BugGraph and it needs libSWT and SWTDisplayProvider, which i downloaded but still seems like some java classes in SWTDisplayProvider cannot find the libSWT libraries, i see a cross on SWTDisplayProvider in dragonfly, how can i tell dragonfly about the newly downloaded libraries and java classes ?

Yeah I didn’t write that one but it looks like there’s something weird going on where if you build the project, or clean it (like if you have Build Automatically checked in the project menu) it will erase all those class files because there are no .java (source) files in the libSWT project.  I would comment on kschultz’s libswt app and ask him to include the sources for that reason.

jconnolly ,

even though i am able to send java apps to bug successfully, sometimes the apps dont get started , the concierge log does not show tha the corresponding jar is invoked, what might be wrong ?

see the following in concierge log when transfering LCDbright to the bug

————————————————————————————-
Tue Jan 27 10:57:44 UTC 1970 AppManager checking /usr/share/java/apps/LCDbright.jar
Tue Jan 27 10:57:44 UTC 1970 Ignoring dead app /usr/share/java/apps/LCDbright.jar

Hi Buguser,

This can happen if there is something that went wrong loading the application (i.e. an exception is raised the first time the app is loaded).  The UserAppManager prevents the app from trying to load again, thereby (in theory) preventing the app from bringing down the framework.  To clean out the cached erring apps, you can remove the jar from /usr/share/java/apps, and clean out storage with

/etc/init.d/concierge stop

rm -fr /usr/share/java/storage

/etc/init.d/concierge start

You should then  be able to try loading the app again, and get more relevant stacktrace information about the erring app.

buguser,

There may be a couple of reasons an app won’t start.  Many of them are written to depend on certain modules being plugged in or OSGi services available.  When you see “ignoring dead app” in your log, it usually means that somehow the app failed and the OSGi environment put it in a state where you can’t use it.  I’m not sure why it happened, but re-uploading the same application should solve it.  Otherwise, you might have to clean out the Concierge (OSGi) storage directory.

There are instructions on how to do that here: http://bugcommunity.com/wiki/index.php/Reset_BUG, you can also ssh into the BUG and remove the /usr/share/java/storage directory.  Some (not many) BUG apps save data in that storage dir and in both cases, that data will be lost.

-Brian

Oh… heh… I see jconnolly already responded.  Collision!

Buguser,

Have you checked out this post? http://community.buglabs.net/kschultz/posts/137…

BUG uses AWT by default because it is a better cross platform choice than SWT. AWT does basically everything in Java with a platform specific peer, SWT does almost everything natively with just a Java wrapper. That makes it faster and more full featured, but a pain to work on multiple systems.

What you need are a set of class binaries for SWT for your host machine, and a set of class binaries on the BUG. The ones in libSWT are for the BUG. Do not clean it after downloading, that will wipe the class files and rebuild them incorrectly (or not at all). So just download it straight and put it onto the BUG.

For developing on the host machine you will have to link up the SWT binaries that come with eclipse to your app. The simple way is to add them to your classpath and write as a standard SWT app, and then right before you put it on the BUG switch to using the SWTDisplayProvider osgi service. The more robust way is to unjar your host SWT binary, fix the manifest, and rejar it and use SWTDisplayProvider the whole time.  The first way may be more straightforward.

If you are having trouble with it I’ll be happy to walk you through it in more detail. I haven’t actually tried it on Windows but I can if need be.

thanks kschultz and jconnolly,

i was able to start restart the LCDBright apps after removing the storage directory,

after trying to install some more apps, i got into an issue where i cannot connect to my bug,,

i get the following error on eclipse

Unable to connect to bugagain
java.io.FileNotFoundException: http://192.168.1.66:-1/program

and on bug i get the following in /var/log/messages

Jan 28 08:14:57 bug authpriv.info dropbear⁴⁴²⁶: Child connection from ::ffff:192.168.1.67:51257

with some luck i was able to get back my connection to the bug from eclipse over wifi

and i was trying the BUGGraph as per the instructions above, however i see the foll error after libswt is sent to bug

Wed Jan 28 10:07:48 UTC 1970 Failed to start new application bundle: /usr/share/java/apps/SWTDisplayProvider.jar
        Exception: Error starting bundle Bundle [43]: file:/usr/share/java/apps/SWTDisplayProvider.jar
org.osgi.framework.BundleException: Error starting bundle Bundle [43]: file:/usr/share/java/apps/SWTDisplayProvider.jar
        at ch.ethz.iks.concierge.framework.BundleImpl.startBundle(Unknown Source)
        at ch.ethz.iks.concierge.framework.BundleImpl.start(Unknown Source)
        at com.buglabs.bug.program.UserAppManager.startApp(Unknown Source)
        at com.buglabs.bug.program.UserAppManager.processQueue(Unknown Source)

kschultz,

===============================

Buguser,

Have you checked out this post? http://community.buglabs.net/kschultz/posts/137…

BUG uses AWT by default because it is a better cross platform choice than SWT. AWT does basically everything in Java with a platform specific peer, SWT
does almost everything natively with just a Java wrapper. That makes it
faster and more full featured, but a pain to work on multiple systems.

What you need are a set of class binaries for SWT for your host machine, and a set of class binaries on the BUG. The ones in libSWT are for the BUG.
Do not clean it after downloading, that will wipe the class files and
rebuild them incorrectly (or not at all). So just download it straight
and put it onto the BUG.

For developing on the host machine you will have to link up the SWT binaries that come with eclipse to your app. The simple way is to add them to your classpath and write as a standard SWT app, and then right before you put it on the BUG switch to using the SWTDisplayProvider osgi service. The more robust way is to unjar your host SWT binary, fix the manifest, and rejar it and use SWTDisplayProvider the whole time.  The first way may be more straightforward.

If
you are having trouble with it I’ll be happy to walk you through it in
more detail. I haven’t actually tried it on Windows but I can if need
be.

=======================================================

can u pls explain what do you mean by switch to using SWTDisplayProvider osgi service ?

i am following the steps

1. From eclipse use send-to-bug option to send libSWT to bug

2. From eclipse use send-to-bug option to send SWTDisplayProvider to bug

(i get errors for missing classes which are part of libSWT)

i also tried doing scp of libSWT.jar and SWTDisplayProvider.jar to bug and than using istart for SWTDIsplayProvider in init.xargs file, still get the same error

thanks for your attention to the matter.

Lets say you have a class MyApp that you are currently passing an SWT Display object to in the constructor.

In your service tracker, right now you should have some code where you get the SWT Display from the SWTDisplayProvider service. I don’t have the dragonfly/code in front of me so from the top of my head its something like

SWTDisplayProvider displayService = (SWTDisplayProvider) getService(SWTDisplayProvider.class);

MyApp app = new MyApp(displaySerivce.getDisplay());

That is the code you should use on the BUG. There can only be 1 SWT display object shared across all apps, that is why it is an OSGi service.

When testing on your machine, you can easily just do.

Display display = new Display();

//SWTDisplayProvider displayService = (SWTDisplayProvider) getService(SWTDisplayProvider.class);

MyApp app = new MyApp(display);

Then test everything using the SWT library that ships stock with eclipse (that is not OSGi-ified with the proper manifest file for BUG use, but works just fine for testing). Right before you send it to the Bug, uncomment that line and delete the testing line and it should be good to go.

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