close.serialConnection
                        Function to close an serial interface.
isOpen                  Generic function for isOpen
isOpen.default          Default function from base-package
isOpen.serialConnection
                        Tests whether the connection is open or not
listPorts               Lists the serial interfaces.
open.serialConnection   Function to initialize an serial interface.
read.serialConnection   Reads from the serial interface.
serial                  A serial communication interface for R.
serialConnection        Sets up the interface parameters.
write.serialConnection
                        Wirtes data to serial interface.
