# FLASH LIGHT(DAISO) test -2024.2.1-

import tkinter as tk
import threading as th
import RPi.GPIO as GPIO
import time

# GPIO pin
CTL = 26

# GPIO initialize
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
GPIO.setup(CTL, GPIO.OUT, initial=GPIO.LOW)

# output on
def signal_1():
    tx.set('pulse \"H\"')
    GPIO.output(CTL, GPIO.HIGH)
    t = th.Timer(0.5, signal_0)
    t.start()

# output off
def signal_0():
    GPIO.output(CTL, GPIO.LOW)
    tx.set('pulse \"L\"')

# main
root = tk.Tk()
root.geometry('300x140')
root.title('FLASH LIGHT')
tx = tk.StringVar()
tx.set('pulse \"L\"')
label = tk.Label(root, textvariable = tx)
label.place(x=160, y=55)
button = tk.Button(root, text = 'SW', command = signal_1)
button.place(x=100, y=50)

root.mainloop()