This port is used as a one-way text console for text printed on the Crazyflie using the consoleprintf function.

Answer (Copter to PC):
        +---------//-----------+
        | PRINTED CONSOLE TEXT |
        +---------//-----------+
Length          0-30

The contents of the buffer on the copter side is sent if any of the following is fulfilled:

• The output buffer (of 31 bytes) is full
• A “newline” character has to be send (\n and/or \r)
• A flush command as been issued