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Dj Vu

By Miro Samek, June 01, 2003

It's Dj Vu all over again as Miro reveals the object-oriented nature of the behavorial abstractions that pervade embedded programs.
Figure 1: (a) UML notation for hierarchically nested states; (b) UML state diagram of a PELICAN crossing, in which states vehiclesEnabled and pedestriansEnabled share the common transition OFF to the off state.

Figure 1: (a) UML notation for hierarchically nested states; (b) UML state diagram of a PELICAN crossing, in which states vehiclesEnabled and pedestriansEnabled share the common transition OFF to the off state.



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