This command sets Carrier Detect (DCD) on the serial port USIF0.
From version 12.00.xx4, version 13.00.xx5 and version 18.11.004 this command has no effect if flow control is enabled.
The input parameter DCD_value is a Python integer which is either 0 if DCD is set to OFF or 1 if DCD is set to ON.
No return value.
Example:
SER.setDCD(1)
sets DCD to ON in USIF0.