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576 Keysight M8000 Series of BER Test Solutions User Guide

9 Utilities

# additional reference assembly mscorlib to have all data

types

# available that are used by SerialPort

clr.AddReference("mscorlib")

Open the COM Port

# create an instance of SerialPort for COM4

serialPort = System.IO.Ports.SerialPort("COM4")

# configure COM4 to 9600 bit/s 8N1

serialPort.BaudRate = int (9600)

serialPort.DataBits = int(8)

# available choices for Parity are

# None: System.IO.Ports.Parity.None

# Odd : System.IO.Ports.Parity.Odd

# Even : System.IO.Ports.Parity.Even

# Mark : System.IO.Ports.Parity.Mark

# Space : System.IO.Ports.Parity.Space

serialPort.Parity = System.IO.Ports.Parity.None

# available choices for StopBits are

# None : System.IO.Ports.StopBits.None

# One : System.IO.Ports.StopBits.One

# Two : System.IO.Ports.StopBits.Two

# OnePointFive : System.IO.Ports.StopBits.OnePointFive

serialPort.StopBits = System.IO.Ports.StopBits.One

# set read and write timeouts to 500ms

serialPort.ReadTimeout = int(500)

serialPort.WriteTimeout = int(500)

# finally open the COM port

serialPort.Open()

Reading and Writing Data

# write a string

serialPort.Write("Sending string data")

# sending binary data

# prepare the data to be sent. SerialPort expects an Array

of Byte. This requires importing mscorlib!

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