# BL PWT Version 5.1 / 29.01.2026 # MULTI DATENBANK SELECT mit OLED Display SSD1306 (128x32) # Displayschoner integriert VERSION = "PWT Vers 5.1 OLED" import board import busio import digitalio import pwmio import rotaryio import time import usb_hid import math import adafruit_ssd1306 # Benötigt adafruit_ssd1306 und adafruit_framebuf im lib Ordner from adafruit_hid.keyboard import Keyboard from adafruit_hid.keycode import Keycode # --- KONFIGURATION --- INACTIVITY_TIMEOUT = 180 LED_OFF = 0 # Geändert für Common GND (0 = Aus) # Globale Status-Variablen current_db_name = "Bootdelay" last_line1 = "" last_line2 = "" last_line3 = "" # --- HARDWARE SETUP --- # I2C Initialisierung für OLED (GP6=SDA, GP7=SCL) try: i2c = busio.I2C(scl=board.GP7, sda=board.GP6) # 128x32 OLED Display display = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c, addr=0x3C) display.fill(0) display.show() except Exception as e: print("Display Error:", e) # Peripherie Setup encoder = rotaryio.IncrementalEncoder(board.GP11, board.GP12) button = digitalio.DigitalInOut(board.GP9) button.direction = digitalio.Direction.INPUT button.pull = digitalio.Pull.UP led_r = pwmio.PWMOut(board.GP3, frequency=5000, duty_cycle=LED_OFF) led_g = pwmio.PWMOut(board.GP5, frequency=5000, duty_cycle=LED_OFF) led_b = pwmio.PWMOut(board.GP4, frequency=5000, duty_cycle=LED_OFF) kbd = Keyboard(usb_hid.devices) PinPause = 10 # --- SYSTEM FUNKTIONEN --- def set_led_rgb(r, g, b): """Steuert die RGB-LED (Common GND / Normaler Pegel).""" # Für Common GND werden die Werte direkt gesetzt (0=aus, 65535=max) led_r.duty_cycle = int(min(max(r, 0), 65535)) led_g.duty_cycle = int(min(max(g, 0), 65535)) led_b.duty_cycle = int(min(max(b, 0), 65535)) def set_backlight(state): """Schaltet das OLED-Display ein oder aus (Energiesparen).""" try: display.poweron() if state else display.poweroff() except: pass def update_ui_db(line2="", line3=""): """ Aktualisiert das OLED Display. Verarbeitet bis zu 3 Zeilen Text. """ global last_line1, last_line2, last_line3 line1 = current_db_name # Nur aktualisieren, wenn sich der Inhalt geändert hat if line1 != last_line1 or line2 != last_line2 or line3 != last_line3: try: display.fill(0) # Buffer leeren # OLED Text (x, y) - Zeilenabstand ca. 10 Pixel bei 32px Höhe display.text(line1[:20], 0, 0, 1) if line2: display.text(line2[:20], 0, 11, 1) if line3: display.text(line3[:20], 0, 22, 1) display.show() last_line1, last_line2, last_line3 = line1, line2, line3 except: pass # --- LOGIK FUNKTIONEN --- def start_security_timer(seconds): """Countdown mit Stealth-Start.""" start_t = time.monotonic() last_sec = -1 last_pos = encoder.position interaction = False set_backlight(False) set_led_rgb(0, 0, 0) while time.monotonic() - start_t < seconds: now = time.monotonic() remaining = int(seconds - (now - start_t)) curr_pos = encoder.position if not button.value or curr_pos != last_pos: interaction = True set_backlight(True) if interaction: set_led_rgb(int((math.sin(now * 4) + 1) * 10000), 0, 0) if remaining != last_sec: update_ui_db(f"Start in:", f"{remaining} sec") last_sec = remaining if not button.value: time.sleep(0.5) return last_pos = curr_pos time.sleep(0.02) def send_char_ch(char): """Tastatur-Mapping für Schweizer Layout (CH).""" if not usb_hid.devices: return try: if char == '!': kbd.press(Keycode.LEFT_ALT) for _ in range(2): kbd.press(Keycode.KEYPAD_THREE); kbd.release(Keycode.KEYPAD_THREE) kbd.release(Keycode.LEFT_ALT) time.sleep(0.03); return if 'a' <= char <= 'z' or 'A' <= char <= 'Z': shift = 'A' <= char <= 'Z' c = char.upper() if c == 'Y': c = 'Z' elif c == 'Z': c = 'Y' code = getattr(Keycode, c) if shift: kbd.press(Keycode.LEFT_SHIFT) kbd.press(code); kbd.release_all() time.sleep(0.03); return mapping = { '1': (0x1E, 0, 0), '2': (0x1F, 0, 0), '3': (0x20, 0, 0), '4': (0x21, 0, 0), '5': (0x22, 0, 0), '6': (0x23, 0, 0), '7': (0x24, 0, 0), '8': (0x25, 0, 0), '9': (0x26, 0, 0), '0': (0x27, 0, 0), '+': (0x1E, 1, 0), '-': (0x38, 0, 0), '.': (0x37, 0, 0), ':': (0x37, 1, 0), ',': (0x36, 0, 0), ';': (0x36, 1, 0), ' ': (0x2C, 0, 0), '_': (0x38, 1, 0), '?': (0x2D, 1, 0), '=': (0x27, 1, 0), '/': (0x24, 1, 0), '*': (0x20, 1, 0), '#': (0x20, 0, 1), '@': (0x1F, 0, 1), '(': (0x25, 1, 0), ')': (0x26, 1, 0), '[': (0x2F, 0, 1), ']': (0x30, 0, 1), '{': (0x34, 0, 1), '}': (0x32, 0, 1), '$': (0x32, 0, 0), '%': (0x22, 1, 0), '&': (0x23, 1, 0), '€': (0x08, 0, 1), '£': (0x32, 1, 0), '|': (0x31, 1, 1), 'ü': (0x2F, 0, 0), 'ö': (0x33, 0, 0), 'ä': (0x34, 0, 0), 'é': (0x33, 1, 0), 'Ü': (0x2F, 1, 0), 'Ö': (0x33, 1, 0), 'Ä': (0x34, 1, 0), '<': (0x64, 0, 0), '>': (0x64, 1, 0), '"': (0x1F, 1, 0) } if char in mapping: code, s, a = mapping[char] if a: kbd.press(Keycode.RIGHT_ALT) if s: kbd.press(Keycode.LEFT_SHIFT) kbd.press(code); kbd.release_all() time.sleep(0.04) except: pass # --- PIN & DATABASE FUNKTIONEN --- def ask_for_pin(correct_pin): global PinPause, last_line1, last_line2, last_line3 while True: input_pin, last_pos, last_action, is_asleep = "", 0, time.monotonic(), False encoder.position = 0 last_line1, last_line2, last_line3 = "", "", "" set_backlight(True) while len(input_pin) < len(correct_pin): now, pos = time.monotonic(), encoder.position digit = pos % 10 if pos != last_pos: last_action, is_asleep, last_pos = now, False, pos set_backlight(True) if not button.value: last_action = now if is_asleep: is_asleep = False; set_backlight(True); time.sleep(0.3) else: input_pin += str(digit); time.sleep(0.3) while not button.value: pass last_pos = encoder.position if not is_asleep and (now - last_action > 60): is_asleep = True; display.fill(0); display.show(); last_line1 = ""; set_backlight(False); set_led_rgb(0,0,0) if not is_asleep: update_ui_db("Eingabe:", "*" * len(input_pin) + str(digit)) set_led_rgb(0, 0, 15000) time.sleep(0.05) if input_pin == correct_pin: update_ui_db("PIN OK"); set_led_rgb(0, 20000, 0); time.sleep(0.5); return else: set_led_rgb(20000, 0, 0); update_ui_db("ERROR!"); time.sleep(1) error_start = time.monotonic() while time.monotonic() - error_start < PinPause: set_led_rgb(25000 if int(time.monotonic()*5)%2==0 else 0, 0, 0) time.sleep(0.05) PinPause += 10; last_line1 = "" def load_db_index(): db_list = [] try: with open("DB_Index.txt", "r", encoding="utf-8") as f: lines = [l.strip() for l in f if l.strip()] for i in range(0, len(lines), 2): if i+1 < len(lines): db_list.append({"name": lines[i], "file": lines[i+1]}) except: return [] return db_list def load_vault_titles(filename): titles = [] try: with open(filename, "r", encoding="utf-8") as f: current_title, in_block = None, False for line in f: line = line.strip() if line == "{": in_block, current_title = True, None elif line == "}": if in_block and current_title: titles.append(current_title) in_block = False elif in_block and current_title is None: current_title = line except: pass return titles def load_vault_entry(filename, entry_index): curr_idx, in_block = -1, False try: with open(filename, "r", encoding="utf-8") as f: for line in f: line = line.strip() if line == "{": in_block, curr_lines, curr_title = True, [], None elif line == "}": if in_block: curr_idx += 1 if curr_idx == entry_index: return {"title": curr_title, "lines": curr_lines} in_block = False elif in_block: if curr_title is None: curr_title = line else: curr_lines.append(line) except: pass return None def select_database(db_list): if not db_list: return "PWT_DB.txt" idx, last_pos, last_action, is_asleep = 0, 0, time.monotonic(), False global current_db_name, last_line1, last_line2 encoder.position = 0; set_backlight(True); current_db_name = "DB AUSWAHL"; last_line1 = "" update_ui_db(db_list[0]["name"]) while True: now, pos = time.monotonic(), encoder.position if pos != last_pos: last_action, is_asleep, last_pos = now, False, pos set_backlight(True); idx = pos % len(db_list); update_ui_db(db_list[idx]["name"]); set_led_rgb(0, 0, 20000) if not button.value: time.sleep(0.3); current_db_name = db_list[idx]["name"]; last_line1 = ""; return db_list[idx]["file"] if not is_asleep and (now - last_action > INACTIVITY_TIMEOUT): is_asleep = True; display.fill(0); display.show(); last_line1 = ""; set_backlight(False); set_led_rgb(0, 0, 0) time.sleep(0.01) def powerfail(): """Initialer Wartezustand.""" global last_line1 display.fill(0); display.show() set_backlight(False) set_led_rgb(0, 2000, 0) last_line1 = "" last_pos = encoder.position while True: curr_pos = encoder.position if not button.value or curr_pos != last_pos: break time.sleep(0.05) # --- MAIN LOOP --- powerfail() current_db_name = "PIN EINGABE" try: with open("PIN.txt", "r") as f: ask_for_pin(f.read().strip()) except: pass db_list = load_db_index() vault_file = select_database(db_list) vault_titles = load_vault_titles(vault_file) vault_titles.extend(["DB AUSWAHL", "INFOS"]) encoder.position, idx, last_pos, last_action, is_asleep = 0, 0, 0, time.monotonic(), False set_backlight(True); set_led_rgb(0, 20000, 0); update_ui_db(vault_titles[0] if vault_titles else "") while True: now = time.monotonic() if not is_asleep and (now - last_action > INACTIVITY_TIMEOUT): is_asleep = True; display.fill(0); display.show(); last_line1 = ""; set_backlight(False); set_led_rgb(0, 0, 0) pos = encoder.position if pos != last_pos: last_action, is_asleep, last_pos = now, False, pos set_backlight(True) if vault_titles: idx = pos % len(vault_titles); update_ui_db(vault_titles[idx]) set_led_rgb(0, 0, 20000) if not button.value: last_action = now if is_asleep: is_asleep = False; set_backlight(True); time.sleep(0.3) else: time.sleep(0.2) sel = vault_titles[idx] if sel == "DB AUSWAHL": vault_file = select_database(db_list) vault_titles = load_vault_titles(vault_file); vault_titles.extend(["DB AUSWAHL", "INFOS"]) idx, encoder.position = 0, 0; set_led_rgb(0, 20000, 0); update_ui_db(vault_titles[0]) elif sel == "INFOS": set_led_rgb(20000, 0, 20000); update_ui_db("Sende...", "Service Info") if usb_hid.devices: for line in ["INFOS: " + VERSION, "Symbole:", '+-,.:;?!"*$%&/()=?_@#€£{}[]<>', "Gebrauchsanleitung:", "https://smf.pcaarburg.ch/Smurfy_CH_Hardware_projects/SMFY_PWT_2026/Dokumente/PasswortTresor_Anleitung.pdf"]: for char in line: send_char_ch(char) kbd.send(Keycode.ENTER) else: update_ui_db("KEIN USB!"); time.sleep(1.5) update_ui_db("Fertig"); time.sleep(1.5); set_led_rgb(0, 0, 20000); update_ui_db(sel) else: entry = load_vault_entry(vault_file, idx) if entry: if not usb_hid.devices: update_ui_db("KEIN USB!"); time.sleep(1.5) else: for i, line in enumerate(entry["lines"]): set_led_rgb(20000, 0, 0); update_ui_db("Sende...", f"Zeile {i+1}") for char in line: send_char_ch(char) while not button.value: pass time.sleep(0.1) if i < len(entry["lines"]) - 1: set_led_rgb(0, 20000, 0); update_ui_db("Bereit für", f"Zeile {i+2}...") while button.value: pass time.sleep(0.2) set_led_rgb(0, 20000, 0); update_ui_db("Fertig"); time.sleep(1.5); set_led_rgb(0, 0, 20000); update_ui_db(sel) time.sleep(0.01)