import tkinter
import serial
import threading
import time
s=serial.Serial("COM6");
top = tkinter.Tk()


def polema():
   s.write(b'a');

def kustu():
   s.write(b'b')
   
def kysiAsend():
   s.write(b'c')
   if(s.inWaiting()>0):
     T1["text"]=s.readline().decode("ascii").strip()

def korda():
   while True:
     kysiAsend()
     time.sleep(1)
   
B = tkinter.Button(top, text ="Põlema", command = polema)
B2 = tkinter.Button(top, text ="Kustu", command = kustu)
B3 = tkinter.Button(top, text ="Küsi asend", command = kysiAsend)
T1=tkinter.Label(top, text="teade")

t = threading.Thread(target=korda)
t.daemon = True
t.start()

B.pack()
B2.pack()
B3.pack()
T1.pack()
top.mainloop()