fixes for pacman and led circle

.gitignore

@@ -0,0 +1,12 @@
+### Windows
+# Windows thumbnail cache files
+Thumbs.db
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows shortcuts
+*.lnk

main.py

@@ -115,11 +115,20 @@ LED_ANIM_FRAME_MS = 150  # Lauflicht-Tempo ("chase", Zeit pro LED-Schritt)
 LED_BREATHE_STEP_MS = 15  # Puls-Update-Rate ("breathe", kleiner = weicher)
 LED_BREATHE_STEPS = 40  # Aufloesung einer Pulsphase ("breathe", rauf ODER runter)
 
+# "chase": Reihenfolge der LEDs so, dass es wirklich im Kreis laeuft. Bei
+# der 2x2-Anordnung (1 oben-links, 2 oben-rechts, 3 unten-links, 4 unten-
+# rechts) ist die physische Kreis-Reihenfolge 1->2->4->3->1 - als 0-basierte
+# LED-Indizes also [0, 1, 3, 2].
+LED_CHASE_ORDER = [0, 1, 3, 2]
+LED_CHASE_BRIGHT_DUTY = 65535  # Helligkeit der "aktiven" LED (max. 65535)
+LED_CHASE_DIM_DUTY = 6000  # Helligkeit der inaktiven LEDs (0 = ganz aus)
+
 # --- Bildschirmschoner ---
 SCREENSAVER_ENABLED = True
 SCREENSAVER_TIMEOUT_MS = 30000  # 30s Inaktivitaet bis der Screensaver startet
 SCREENSAVER_FRAME_MS = 80  # Bildwiederholrate der Animation
 SCREENSAVER_ANIMATION = "stars"  # Startwert - "stars"|"pacman"|"matrix"|"bounce"
+PACMAN_SPEED_PX = 1  # Pac-Man Bewegung pro Bild in Pixel - kleiner = langsamer
 
 
 # ---------------------------------------------------------------------------
@@ -322,7 +331,11 @@ PROFILES = [
             {"type": "keys", "keys": [K.LEFT_CTRL, K.S]},
             {"type": "keys", "keys": [K.LEFT_CTRL, K.F]},
             {"type": "keys", "keys": [K.F5]},
-            {"type": "keys", "keys": [K.LEFT_CTRL, K.SLASH]},
+            # Strg+Shift+OE: K.SEMICOLON ist die physische Tastenposition,
+            # die bei deutschem Tastaturlayout "OE" ergibt (HID sendet
+            # Positionen, keine Zeichen - das OS macht daraus je nach
+            # eingestelltem Layout das richtige Zeichen).
+            {"type": "keys", "keys": [K.LEFT_CTRL, K.LEFT_SHIFT, K.SEMICOLON]},
         ],
     },
     {
@@ -342,7 +355,7 @@ PROFILES = [
             {"type": "open", "query": "Opera GX"},
             {"type": "open", "query": "Visual Studio Code"},
             {"type": "open", "query": "Thunderbird"},
-            {"type": "open", "query": "Vaultwarden"},
+            {"type": "open", "query": "Bitwarden"},
         ],
     },
     {
@@ -430,6 +443,15 @@ def apply_led_mode():
         _led_breathe_dir = 1
         return
 
+    if LED_MODE == "chase":
+        # "chase" laeuft ebenfalls ueber PWM, damit inaktive LEDs gedimmt
+        # statt komplett aus sind.
+        _led_chase_index = 0
+        for i in range(len(LED_PINS)):
+            active = i == LED_CHASE_ORDER[0]
+            _led_pwm(i).duty_u16(LED_CHASE_BRIGHT_DUTY if active else LED_CHASE_DIM_DUTY)
+        return
+
     _release_led_pwms()
     if LED_MODE == "on":
         for led in leds:
@@ -437,10 +459,6 @@ def apply_led_mode():
     elif LED_MODE == "off":
         for led in leds:
             led.value(0)
-    elif LED_MODE == "chase":
-        _led_chase_index = 0
-        for led in leds:
-            led.value(0)
 
 
 def set_led_mode(mode):
@@ -457,11 +475,13 @@ apply_led_mode()
 
 
 def _led_chase_frame():
-    """Ein Schritt des Lauflichts - naechste LED an, Rest aus."""
+    """Ein Schritt des Lauflichts - naechste LED in LED_CHASE_ORDER hell,
+    der Rest gedimmt (statt komplett aus)."""
     global _led_chase_index
-    for i, led in enumerate(leds):
-        led.value(1 if i == _led_chase_index else 0)
-    _led_chase_index = (_led_chase_index + 1) % len(leds)
+    active_i = LED_CHASE_ORDER[_led_chase_index]
+    for i in range(len(LED_PINS)):
+        _led_pwm(i).duty_u16(LED_CHASE_BRIGHT_DUTY if i == active_i else LED_CHASE_DIM_DUTY)
+    _led_chase_index = (_led_chase_index + 1) % len(LED_CHASE_ORDER)
 
 
 def _led_breathe_frame():
@@ -685,7 +705,7 @@ def _anim_pacman_frame():
         oled.fill_rect(x - _PACMAN_R, _PACMAN_Y - _PACMAN_R, _PACMAN_R * 2, _PACMAN_R * 2, 1)
     oled.show()
     _pacman_mouth_open = not _pacman_mouth_open
-    _pacman_x += 3
+    _pacman_x += PACMAN_SPEED_PX
     if _pacman_x > OLED_WIDTH + _PACMAN_R + 2:
         _pacman_x = -(_PACMAN_R + 2)