| qrk::Lidar | Lidar interface | 
| ring_buffer_t | Control structure of the ring buffer | 
| urg_connection_t | Connection resources | 
| qrk::Urg_driver | URG driver | 
| urg_serial_t | Control information for serial connection | 
| urg_t | URG sensor control structure | 
| urg_tcpclient_t | TCP/IP connection | 
 1.8.0
 1.8.0