---

import tkinter as tk
import serial

try: ser = serial.Serial('COM3', 9600)
except: ser = None

root = tk.Tk()
root.title("CyberSteer AI")
root.geometry("400x400")
root.configure(bg="#2c3e50")

img_u = tk.PhotoImage(file="up.png")
img_d = tk.PhotoImage(file="down.png")
img_l = tk.PhotoImage(file="left.png")
img_r = tk.PhotoImage(file="right.png")

def send(c):
    if ser: ser.write(c.encode())
    else: print(f"Команда -> {c}")

fr = tk.Frame(root, bg="#2c3e50")
fr.place(relx=0.5, rely=0.5, anchor=tk.CENTER)

b_f = tk.Button(fr, image=img_u, text="Вперед", compound=tk.LEFT, width=100, height=50)
b_b = tk.Button(fr, image=img_d, text="Назад",  compound=tk.LEFT, width=100, height=50)
b_l = tk.Button(fr, image=img_l, text="Влево",  compound=tk.LEFT, width=100, height=50)
b_r = tk.Button(fr, image=img_r, text="Вправо", compound=tk.LEFT, width=100, height=50)

b_f.grid(row=0, column=1, pady=10, padx=10)
b_l.grid(row=1, column=0, pady=10, padx=10)
b_r.grid(row=1, column=2, pady=10, padx=10)
b_b.grid(row=2, column=1, pady=10, padx=10)

b_f.bind("<ButtonPress-1>", lambda e: send('F'))
b_f.bind("<ButtonRelease-1>", lambda e: send('S'))
b_b.bind("<ButtonPress-1>", lambda e: send('B'))
b_b.bind("<ButtonRelease-1>", lambda e: send('S'))
b_r.bind("<ButtonPress-1>", lambda e: send('R'))
b_r.bind("<ButtonRelease-1>", lambda e: send('S'))
b_l.bind("<ButtonPress-1>", lambda e: send('L'))
b_l.bind("<ButtonRelease-1>", lambda e: send('S'))

root.mainloop()