line_coding_get()
Get Line Coding method @see AN571: CP210x Virtual COM Port Interface chapters 5.6 and 5.8.
line_coding_set()
Set Line Coding method @see AN571: CP210x Virtual COM Port Interface chapters 5.5 and 5.7.
set_control_line_state()
Set Control Line State method @see AN571: CP210x Virtual COM Port Interface chapter 5.9.
send_break()
Send Break method @see AN571: CP210x Virtual COM Port Interface chapter 5.20.