A Control object manages a motion controller device. The
device is typically a single board residing in a PC or an embedded
system. A control object can read and write device memory through
one of a variety of methods: I/O port, memory mapped or device driver.
For the case where the application and the motion controller device
exist on two physically separate platforms connected by a LAN or
serial line, the application creates a client control object which
communicates via remote procedure calls with a server.
Unlike the methods of all other objects in the MPI, Control object
methods are not thread-safe.
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