Random Serial Port Connection Generator

This function randomly selects a serial port name and connects to that port with a specified baudrate. The function first checks the type of the port name and baudrate, then randomly selects a port from a predefined list of common ports, creates a serial connection, and returns the connection object.

Technology Stack : PySerial

Code Type : Function

Code Difficulty : Intermediate

                
                    
import serial
import random

def random_serial_port_connection(port_name, baudrate):
    # This function connects to a random serial port with a specified baudrate
    if not isinstance(port_name, str) or not isinstance(baudrate, int):
        raise ValueError("Invalid port name or baudrate")
    
    # List of common serial ports
    common_ports = ['COM1', 'COM2', 'COM3', 'COM4', 'COM5', 'COM6', 'COM7', 'COM8', 'COM9', 'ttyUSB0', 'ttyUSB1', 'ttyUSB2']
    
    # Randomly select a port from the list
    selected_port = random.choice(common_ports)
    
    # Create a serial connection
    ser = serial.Serial(selected_port, baudrate)
    
    # Return the serial connection object
    return ser