It seems you're asking to (or a feature) related to the English version of "sscom" — a popular serial port debugging tool (often written in Chinese, originally by Dingxin or similar).
def send_hex_data(self): if not self.serial_port or not self.serial_port.is_open: messagebox.showerror("Error", "Port not opened.") return hex_str = self.send_text.get("1.0", tk.END).strip() # Remove spaces, newlines hex_str = ''.join(hex_str.split()) try: data = bytes.fromhex(hex_str) self.serial_port.write(data) except ValueError: messagebox.showerror("Hex Error", "Invalid hex string (e.g., '01 AB CD')") sscom english version
tk.Label(settings_frame, text="Port:").grid(row=0, column=0, sticky="w") self.port_combo = ttk.Combobox(settings_frame, values=self.ports, width=15) self.port_combo.grid(row=0, column=1, padx=5) if self.ports: self.port_combo.current(0) It seems you're asking to (or a feature)
def open_port(self): if not self.port_combo.get(): messagebox.showerror("Error", "Select a serial port first.") return try: baud = int(self.baud_combo.get()) self.serial_port = serial.Serial(self.port_combo.get(), baud, timeout=0.1) self.running = True self.receive_thread = threading.Thread(target=self.receive_data, daemon=True) self.receive_thread.start() self.open_btn.config(text="Close Port", bg="lightcoral") self.status_label.config(text=f"Status: Opened {self.port_combo.get()} @ {baud} baud") except Exception as e: messagebox.showerror("Error", f"Cannot open port:\n{e}") tk.END).strip() # Remove spaces
# GUI self.create_widgets()