ihm avec python tk

#! /usr/bin/python3

from tkinter import *

########################################################################
#							FUNCTIONS
########################################################################

def onPushCopy():
    var = strSource.get() # var=sourceEntry.get()
    print(var)
    strDest.set(var)  # destEntry.delete(0,END) # destEntry.insert(0,var)
    sourceEntry.delete(0,END)  

########################################################################
#								UI
########################################################################

if  __name__ == "__main__" :

    ui=Tk()

    ui.title("COPY STRING")
    ui.geometry("200x200")

    labelSource=Label(ui, text="Source :", font=("Arial", 10), fg="black")
    labelSource.pack()

    strSource=StringVar()
    sourceEntry=Entry(ui, textvariable=strSource)
    sourceEntry.pack()

    copyButton=Button(ui, text="COPY", font=("Arial",10, "bold"), bg="seagreen3", fg="black", bd=3, relief=RAISED, command=onPushCopy)
    copyButton.pack()
        
    labelSource=Label(ui, text="Destination", font=("Arial", 10), fg="black")
    labelSource.pack()

    strDest=StringVar()
    destEntry=Entry(ui, textvariable=strDest)
    destEntry.pack()
       
    ui.mainloop()  # MAIN LOOP

########################################################################
    

#! /usr/bin/python3

from tkinter import *
import time

########################################################################
#                        CLASS Chrono
########################################################################

class Chrono(Frame):                                                               
    def __init__(self, parent=None, **kw):        
        Frame.__init__(self, parent, kw)
        self._start = 0.0        
        self._elapsedtime = 0.0
        self._running = 0
        self.timestr = StringVar()               
        self.makeWidgets()      

    def makeWidgets(self): # Make the time label
        l = Label(self, textvariable=self.timestr)
        self._setTime(self._elapsedtime)
        l.pack(fill=X, expand=NO, pady=2, padx=2)                      
    
    def _update(self): # Update the label with elapsed time
        self._elapsedtime = time.time() - self._start
        self._setTime(self._elapsedtime)
        self._timer = self.after(50, self._update)
    
    def _setTime(self, elap): # Minutes:Seconds:Hundreths
        minutes = int(elap/60)
        seconds = int(elap - minutes*60.0)
        hseconds = int((elap - minutes*60.0 - seconds)*100)                
        self.timestr.set('%02d:%02d:%02d' % (minutes, seconds, hseconds))
        
    def Start(self): # Start the stopwatch, ignore if running                                           
        if not self._running:            
            self._start = time.time() - self._elapsedtime
            self._update()
            self._running = 1        
    
    def Stop(self):                                    
        if self._running:
            self.after_cancel(self._timer)            
            self._elapsedtime = time.time() - self._start    
            self._setTime(self._elapsedtime)
            self._running = 0
    
    def Reset(self):                                  
        self._start = time.time()         
        self._elapsedtime = 0.0    
        self._setTime(self._elapsedtime)

########################################################################
#                        MAIN
########################################################################     
        
if  __name__ == "__main__" :
	
    ui = Tk()    
    ui.title("Timer")
    
    chron = Chrono(ui)
    chron.pack(side=TOP)
    
    Button(ui, text='Start', command=chron.Start).pack(side=LEFT)
    Button(ui, text='Stop', command=chron.Stop).pack(side=LEFT)
    Button(ui, text='Reset', command=chron.Reset).pack(side=LEFT)
    Button(ui, text='Quit', command=ui.quit).pack(side=LEFT)
    
    ui.mainloop()

########################################################################   

#! /usr/bin/python3

import serial
import time
from tkinter import *

port='/dev/ttyACM0'
baudrate=115200
serBuffer = ""

########################################################################
#                        FUNCTIONS
########################################################################

def onPushSend():
    var=strToSend.get() 
    ser.write(var.encode())
    #ser.write(b'4ab2')	# write a string

def receive():
    reading=[]
    while (ser.inWaiting()>0):							        
        if (ser.inWaiting() > 0):			
            reading.append(ser.read(1).decode())
        time.sleep(0.001)
        strReceived.set(reading)
        ser.flush()
    ui.after(1,receive)

########################################################################
#                             MAIN
########################################################################

if  __name__ == "__main__" :

    try: 
	    ser = serial.Serial(port, baudrate, bytesize=8, parity='N', stopbits=1, timeout=None, rtscts=False, dsrdtr=False)
	    print("serial port " + ser.name + " opened")
    except Exception:
        print("error open serial port: " + port)
        exit()

    ui=Tk()

    ui.title("SERIAL")
    ui.geometry("200x200")

    labelToSendMes=Label(ui, text="Message to Send", font=("Arial", 10), fg="black")
    labelToSendMes.pack()

    strToSend=StringVar()
    toSendEntry=Entry(ui, textvariable=strToSend)
    toSendEntry.pack()

    copyButton=Button(ui, text="SEND", font=("Arial",10, "bold"), bg="seagreen3", fg="black", bd=3, relief=RAISED, command=onPushSend)
    copyButton.pack()
        
    labelReceivedMes=Label(ui, text="Received Message", font=("Arial", 10), fg="black")
    labelReceivedMes.pack()

    strReceived=StringVar()
    receivedEntry=Entry(ui, textvariable=strReceived)
    receivedEntry.pack()

    ui.after(1,receive)
    ui.mainloop()		# MAIN LOOP

########################################################################