24 def fetch_sentence(ser):  argument
25     channel_id = int.from_bytes(ser.read(), "little")
28     msg = ser.read(msg_size)
29     ser.read(1)  # skip '*'
33 def pub_start_measurement(ser, action: bool):  argument
36     ser.write(b'$')
37     ser.write(b'\x02')  # idx
38     ser.write(b'\x01')
39     ser.write(b'*')
40     ser.flush()
43 ser = serial.Serial(args.port)  variable
44 pub_start_measurement(ser, True)
46     d = ser.read()
48         channel_name, msg_size, msg = fetch_sentence(ser)
53             pub_start_measurement(ser, True)