import subprocess
import platform
import time
import serial
import os

arduino = serial.Serial('/dev/tty.usbmodem3a21', 9600, timeout=.1)


def fonction1():
    fichierW = open("data.txt", "w")
    fichierR = open("data.txt", "r")
    W = fichierW.write(data)
    fichierW.close()
    R = fichierR.read()
      if R = 0:
              print "LOW SPEED MOTOR"
              fichierR.close()
      else:
              print "HIGH SPEED MOTOR"
              fichierR.close()
    
    


while True:
	data = arduino.readline()[:-2]
	if data:
                print "Speed MOTOR is : "
		print (data + "%")
                fonction1()
                time.sleep(1)
                os.system('clear')
        else:
               print "NO CONNECTION"