This command can be used to get the baud rate for the serial port connection specified
in id. This serial port connection must have been opened using OpenSerialPort() before.
The return value will be one of the following special constants:
#BAUD_300:
-
300 bits per second.
#BAUD_600:
-
600 bits per second. (V9.0)
#BAUD_1200:
-
1200 bits per second. (V9.0)
#BAUD_2400:
-
2400 bits per second.
#BAUD_4800:
-
4800 bits per second.
#BAUD_9600:
-
9600 bits per second.
#BAUD_19200:
-
19200 bits per second.
#BAUD_38400:
-
38400 bits per second.
#BAUD_57600:
-
57600 bits per second.
#BAUD_115200:
-
115200 bits per second.
#BAUD_460800:
-
460800 bits per second.