===== LIN RQ =====
This command is used only in MASTER mode to make a request to slave nodes or to itself. A frame will be transmitted with prefixed <brea><sync> header, the id will be automatically converted in pid. 

=== Synopsis ===
  LIN RQ <id>
  
== Examples ==
Sending a request to an external node
  LIN RQ 10
  OK
  LIN TX 50 
  LIN RX F1 CA 43

Sending a request to itself ( SR must previously loaded in memory please ref to [[carberry:cmds:subsys:linsr|LIN SR]] )
  LIN RQ 11
  OK
  LIN TX 11 DE AD BE EF C4