void set_function(unsigned, bool);
float get_control(const std::string &) const;
float get_speed() const;
float get_quantized_speed() const;
unsigned get_speed_step() const { return current_speed_step; }
void set_function(unsigned, bool);
float get_control(const std::string &) const;
float get_speed() const;
float get_quantized_speed() const;
unsigned get_speed_step() const { return current_speed_step; }