unsigned controller = mapping_proto->master_speed_light().controller_number();
unsigned min = mapping_proto->master_speed_light_min();
unsigned max = mapping_proto->master_speed_light_max();
unsigned controller = mapping_proto->master_speed_light().controller_number();
unsigned min = mapping_proto->master_speed_light_min();
unsigned max = mapping_proto->master_speed_light_max();