<init> ::= <mode> <EOL>
<home> ::= <axis> <EOL>
<move> ::= <mode> <coordinate-part>
    <coordinate-part> ::= <x> <y> <z> <pitch> <roll> <EOL>
<roll> ::= <direction> <EOL>
<stop> ::= <axis> <EOL>
<open_gripper> ::= <EOL>
<close_gripper> ::= <EOL>