Stefan Duffner, the developer of Qfsm kindly added an export window with vvvv automata code. From now on you can easily design your very complex logical state machine with a graphical editor. The Automata code is even updated live, when editing the state machine:

Download Qfsm for windows here: http://sourceforge.net/projects/qfsm

A little tutorial can be found here: Graphical Automata