Class Request

source code

( internal concrete )
DESCRIPTION:
-- The Request message class represents holds information about a message
   request
RESPONSIBILITIES:
-- hold nid, cmd, and params of message
-- keep track of retries remaining
-- hold a timestamp 
-- hold a promise to be updated after dynamixel.Protocol.update()
OWNERSHIP:
-- owned by the dynamixel module
THEORY:
-- An Request object serves a way to keep track of requests. In the case
   of the dynamixel.Protocol it is appended to a queue and handled at update
CONSTRAINTS:
-- Request objects are specific to those messages handled by the 
   dynamixel.Protocol and dynamixel.Bus