You may be interested in searching for fast integer FFT algorithms, and adapt them to the AVR assembly language. On a processor without any floating point unit, using floating point functions like this might be a big resource hog.
A google led to a seemingly good page on such an algorithm at http://www.pedrofreire.com/crea2_en.htm -- Vincent Borrel LIP6-CNRS 8 rue du Capitaine SCOTT F-75015 Paris FRANCE _______________________________________________ Tinyos-help mailing list [email protected] https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
