self.open_btn = tk.Button(settings_frame, text="Open Port", command=self.toggle_port, bg="lightgreen") self.open_btn.grid(row=0, column=4, padx=10)

def display_received(self, data): def update(): try: text = data.decode('utf-8', errors='replace') except: text = str(data) if self.timestamp_var.get(): ts = datetime.now().strftime("[%H:%M:%S.%f][:-3]") self.recv_text.insert(tk.END, f"{ts} {text}") else: self.recv_text.insert(tk.END, text) self.recv_text.see(tk.END) self.root.after(0, update)

self.send_text = scrolledtext.ScrolledText(send_frame, wrap=tk.WORD, height=5) self.send_text.pack(fill="x", expand=True)

def send_text_data(self): if not self.serial_port or not self.serial_port.is_open: messagebox.showerror("Error", "Port not opened.") return data = self.send_text.get("1.0", tk.END).encode('utf-8') self.serial_port.write(data)

def create_widgets(self): # Top frame: port settings settings_frame = tk.LabelFrame(self.root, text="Serial Settings", padx=5, pady=5) settings_frame.pack(fill="x", padx=10, pady=5)