Communication Protocol Specification Xavier Pardonnet Massaoud Omarzai Mathijs Swint Robert Stremler

Introduction Protocol for communication between the central system and a robot Each robot operates in the same way The central system keeps track of the location of the robots

System Commands Move Stop Pick up Drop Turn Left Turn Right Erase

Robot Messages Command Executed SOS

Protocol Spec Central system sends commands to a robot Robot replies by sending acks to the central system Lost messages must be resent by the central system Robot must send operation executed message Central system must confirm this

Protocol Spec cont’d Communication must be secure Messages must be encrypted Each message must be received within 0,5 sec.