SunSPOTs

Posted on February 1, 2010

So, I have to use Sun SPOTS in a project for college. Some of this information is serving for myself so I apologise for the funny writing style.

If you know me, then you know that I use a mac, if not, then I do. I don’t want to hear the pros and cons either, I like it so get the boat.

I had some trouble setting up the one SPOT I got initially with this error:

java.lang.UnsatisfiedLinkError: /Library/Java/Extensions/librxtxSerial.jnilib:  no suitable image found.  Did find:  /Library/Java/Extensions/librxtxSerial.jnilib: no matching architecture in universal wrapper thrown while loading gnu.io.RXTXCommDriver

Exception in thread “AirViewer-Initializer” java.lang.UnsatisfiedLinkError: /Library/Java/Extensions/librxtxSerial.jnilib:  no suitable image found.  Did find:  /Library/Java/Extensions/librxtxSerial.jnilib: no matching architecture in universal wrapper

A bit of googling revealed that OS X has copy of one of the libraries installed elsewhere, so you need to disable one of them. I came across this command -
mv /Library/Java/Extensions/librxtxSerial.jnilib{,-disabled} - and everything worked. Great. Source.

Since that initial hiccup, I have loaded, played with and understood the Airtext demo. As of about a half hour ago I have gotten my hands dirty with the basestation and loading code Over The Air (OTA) to a free-range sunspot.

One thing that’s fairly annoying is the fact that you have to reset the free-range sunspot after you load code on it, I shall now investigate whether that can be changed, if not, it could get a bit awkward for the project. I’m not sure if I can mention it so there may be a description of it post-this-post.

» Filed Under Coding

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