that indicates whether the underlying communication can dynamically
change its speed or not. This flag is set for true serial
communication but clear for USB communication. Don't try to adjust
the speed when talking over a communication channel that doesn't
support it. (The Dragon does not even support the respective
parameter.)
git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@676 81a1dc3b-b13d-400b-aceb-764788c761c2