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import os
import time, tkinter
from tkinter import *
def buttonStart0Pressed():
    os.system('sudo ip link set can0 up type can bitrate 100000')
def buttonTracePressed():
    os.system('sudo candump -ta any > /home/pi/canbus/candump.log')
def buttonStopPressed():
    os.system('sudo pkill candump')
    os.system('sudo ip link set can0 down')
window = Tk()
label = Label(master=window,
        font=("Arial",8),
        text="Uhrzeit:" + time.asctime())

buttonStart0 = Button(master=window,
                text="Start CAN0 Bitrate 100k",
                font=("Arial",8),
                command=buttonStart0Pressed, 
                width=20,
                fg="black", 
                bg="white")
              
buttonTrace = Button(master=window,
                text="candump any",
                font=("Arial",8),
                command=buttonTracePressed, 
                width=20,
                fg="green", 
                bg="white")
              
buttonStop = Button(master=window,
                text="Stop Trace",
                font=("Arial",8),
                command=buttonStopPressed,
                width=20,
                fg="black", 
                bg="red")
label.pack(side=TOP, padx=2, pady=2)
buttonStart0.pack(side=TOP, padx=2, pady=2)
buttonTrace.pack(side=TOP, padx=2, pady=2)
buttonStop.pack(side=TOP, padx=2, pady=2)
label.pack()

window.mainloop()