finished code

Signed-off-by: Ebbe <ebbe@ping-mee.de>

boot.py

@@ -0,0 +1,14 @@
+import storage
+import usb_midi
+
+usb_midi.disable()  # Disable USB MIDI temporarily for reconfiguration
+usb_midi.set_names(
+    audio_control_interface_name="gMA3_ENC",
+)
+usb_midi.enable()
+
+storage.remount("/", readonly=False)
+m = storage.getmount("/")
+m.label = "gMA3_ENC"
+storage.remount("/", readonly=False)
+storage.enable_usb_drive()

code.py

@@ -57,21 +57,42 @@ mode_toggle_note = 21
 
 # Functions
 def encoder_sweep(direction):
-    sweep_order = [3, 4, 5, 6] if direction == "CW" else [6, 5, 4, 3]
-    for i in sweep_order:
-        led[i] = (255, 255, 255)
-        if direction == "CW" and i > 3:
-            led[i - 1] = (100, 100, 100)
-        elif direction == "CCW" and i < 6:
-            led[i + 1] = (100, 100, 100)
-        
-        time.sleep(0.02)
+    trail_length = 3
+    delay = 0.03  # smoother transition
+    encoder_range = [3, 4, 5, 6]
+    if direction == "CCW":
+        encoder_range = list(reversed(encoder_range))
+
+    for i in range(len(encoder_range)):
+        for j in range(trail_length):
+            idx = i - j
+            if 0 <= idx < len(encoder_range):
+                blend_ratio = (trail_length - j) / trail_length  # 1.0 to 0.33
+                white = (255, 255, 255)
+                base_color = encoder_colors[current_encoder]
+
+                # Blend white → base_color
+                blended = tuple(
+                    int(white[k] * blend_ratio + base_color[k] * (1 - blend_ratio))
+                    for k in range(3)
+                )
+                led[encoder_range[idx]] = blended
+
+        time.sleep(delay)
+
+    # Reset all encoder LEDs to base color at end
+    for i in encoder_range:
         led[i] = encoder_colors[current_encoder]
 
-        if direction == "CW" and i > 3:
-            led[i - 1] = encoder_colors[current_encoder]
-        elif direction == "CCW" and i < 6:
-            led[i + 1] = encoder_colors[current_encoder]
+def fade_leds_parallel(led_targets, steps=10, delay=0.01):
+    for step in range(steps + 1):
+        for index, start_color, end_color in led_targets:
+            blended = tuple(
+                int(start_color[i] + (end_color[i] - start_color[i]) * step / steps)
+                for i in range(3)
+            )
+            led[index] = blended
+        time.sleep(delay)
 
 
 def startup_animation():
@@ -111,7 +132,7 @@ def startup_animation():
             led[i] = tuple(int(c * step / 100) for c in encoder_colors[current_encoder])
         time.sleep(0.02)
 
-# -------------------- Startup -----------------------
+# Startup
 print("MIDI Encoder Controller started.")
 startup_animation()
 led[3:7] = [encoder_colors[current_encoder]] * 4
@@ -120,7 +141,16 @@ led[1] = encoder_colors[(current_encoder - 1) % len(encoder_colors)]
 led[2] = (63, 63, 63)  # Mode toggle LED default 25% white
 mode_button_state_note = 0
 
-# -------------------- Main Loop ---------------------
+should_interrupt = False
+
+def animation_interrupt():
+    global should_interrupt
+    if should_interrupt:
+        should_interrupt = False
+        return True
+    return False
+
+# Main Loop
 while True:
     enc_button.update()
     next_button.update()
@@ -148,6 +178,23 @@ while True:
     # Next Encoder Button
     if next_button.fell:
         current_encoder = (current_encoder + 1) % len(encoder_cc_notes)
+
+        # Prepare fade targets
+        led_targets = []
+
+        # Fade main encoder LEDs (3 to 6)
+        for i in range(3, 7):
+            led_targets.append((i, led[i], encoder_colors[current_encoder]))
+
+        # Fade forward/backward indicators (0 and 1)
+        forward_color = encoder_colors[(current_encoder + 1) % len(encoder_colors)]
+        backward_color = encoder_colors[(current_encoder - 1) % len(encoder_colors)]
+        led_targets.append((0, led[0], forward_color))
+        led_targets.append((1, led[1], backward_color))
+
+        # Run the simultaneous fade
+        fade_leds_parallel(led_targets)
+
         forward_color = encoder_colors[(current_encoder + 1) % len(encoder_colors)]
         backward_color = encoder_colors[(current_encoder - 1) % len(encoder_colors)]
         led[3:7] = [encoder_colors[current_encoder]] * 4
@@ -157,6 +204,23 @@ while True:
     # Back Encoder Button
     if back_button.fell:
         current_encoder = (current_encoder - 1) % len(encoder_cc_notes)
+
+        # Prepare fade targets
+        led_targets = []
+
+        # Fade main encoder LEDs (3 to 6)
+        for i in range(3, 7):
+            led_targets.append((i, led[i], encoder_colors[current_encoder]))
+
+        # Fade forward/backward indicators (0 and 1)
+        forward_color = encoder_colors[(current_encoder + 1) % len(encoder_colors)]
+        backward_color = encoder_colors[(current_encoder - 1) % len(encoder_colors)]
+        led_targets.append((0, led[0], forward_color))
+        led_targets.append((1, led[1], backward_color))
+
+        # Run the simultaneous fade
+        fade_leds_parallel(led_targets)
+
         forward_color = encoder_colors[(current_encoder + 1) % len(encoder_colors)]
         backward_color = encoder_colors[(current_encoder - 1) % len(encoder_colors)]
         led[3:7] = [encoder_colors[current_encoder]] * 4