Qt Serial Port provides the basic functionality, which includes configuring,
I/O operations, getting and setting the control signals of the RS-232 pinouts.

The following items are not supported by this module:

  *  Terminal features, such as echo, control CR/LF, and so on.
  *  Text mode.
  *  Configuring timeouts and delays while reading or writing.
  *  Pinout signal change notification.