@Roadrunner I have a WS2801 at home too and would like to use it with the spark.
Thanks for porting the library!
Is there another way to use it than to building my own firmware? could I just copy/paste the class definition into the main program in spark’s web IDE?
I tried it like this:
http://tny.cz/b7b14b14
but getting errors:
http://tny.cz/de75d798