sigc::signal<void, unsigned, unsigned, bool> signal_loco_speed;
sigc::signal<void, unsigned, unsigned, bool> signal_loco_function;
sigc::signal<void, unsigned, unsigned> signal_turnout;
+ sigc::signal<void, unsigned> signal_turnout_failed;
sigc::signal<void, unsigned, unsigned> signal_signal;
sigc::signal<void, unsigned, bool> signal_sensor;