import sys

import serial

# A serial port-scanner for linux and windows platforms

# Author: Julio César Echeverri Marulanda

# e-mail: julio.em7@gmail.com

# blog: blogdelingeniero1.wordpress.com

# You should have installed the PySerial module to use this method.

# You can install pyserial with the following line: pip install pyserial

def ListAvailablePorts():

# This function return a list containing the string names for Virtual Serial Ports

# availables in the computer (this function works only for Windows & Linux Platforms but you can extend it)

# if there isn't available ports, returns an empty List

AvailablePorts = []

platform = sys.platform

if platform == "win32":

for i in range(255):

try:

ser = serial.Serial(i, 9600)

except serial.serialutil.SerialException:

pass

else:

AvailablePorts.append(ser.portstr)

ser.close()

elif platform == "linux":

for i in range(0, 255):

try:

ser = serial.Serial("/dev/ttyUSB" + str(i))

except serial.serialutil.SerialException:

pass

else:

AvailablePorts.append("/dev/ttyUSB" + str(i))

ser.close()

else:

print(

"""This method was developed only for linux and windows

the current platform isn't recognised"""

)

if len(AvailablePorts) == 0:

print("NO port in use")

return 0

else:

return AvailablePorts

# EXAMPLE OF HOW IT WORKS

# if an Arduino is connected to the computer, the port will be show in the terminal

# print ListAvailablePorts()