check_connection.py

#!/usr/bin/env python
import subprocess
while True:
	process = subprocess.Popen(['ping', '-w', '3', '-i', '0.2', '-s', '65500', '192.168.1.201'])
	process.wait()
	output = process.poll()

	if output == 0:
		print("connected")
		break
	else:
		print("no connection")

subprocess.Popen(['./nano2_comm.sh'])