+/**
+ * Turn on speed regulation.
+ */
+inline void setRegulationSpeed(struct rpi_state*);
+
+/**
+ * \brief Turn on position regulation
+ */
+inline void setRegulationPos(struct rpi_state*);
+
+/**
+ * \brief Turn off regulation.
+ */
+inline void setRegulationOff(struct rpi_state*);
+