Permissions are not sufficient to open a serial port.
The settings specified are invalid.
The requested port could not be found.
The specified port has been closed.
The requested port is in use by someone else.
A blocking operation on a port was interrupted, most likely indicating that the port is closing.
Groups settings used in communication over a serial port.
baud rate to use with serial port
size of a character of the data sent through the serial port
set to use two stop bits instead of one
type of parity to use with serial port