import os
import time
import serial

# Open port and wait for a reboot
print "Opening ttyACM0"
arduino = serial.Serial("/dev/ttyACM0", 9600)
print "Opened, flushing"
arduino.flushInput()
time.sleep(1)

print "Opening tempfile"
tempFile = open("/root/lammot.dat", 'w');
print "tempfile opened"

print "sending request"
arduino.write("r")
ch = -1
while (ch != 255){
    if arduino.inWaiting():
        print ch
        ch = arduino.read()
        tempFile.write(ch)

print "Done. closing file and arduino port"
arduino.close()
tempFile.close()

print "Moving temp file and updating graphs"
os.system("cp /root/lammot.dat /root/arvot.dat")
os.system("/root/lue_ja_paivita_kuvat")
os.system("/root/kosteus/lue_ja_paivita_kuvat")
os.system("/root/valo/lue_ja_paivita_kuvat")
print "Done. exiting."