Speed up boot: delay 2s->500ms, animation ~2.8s->0.5s

src/led_stub.cpp

@@ -198,14 +198,14 @@ void DefaultLedStub::begin() {
 
     // Launchpad X style: sweep each LED through palette, then all-off
     for (int i = 0; i < NUM_LEDS; i++) {
-        for (int c = 1; c <= 127; c += 8) {
+        for (int c = 1; c <= 127; c += 16) {
             uint32_t color = launchpad_palette[c];
             uint8_t r = (color >> 16) & 0xFF;
             uint8_t g = (color >> 8) & 0xFF;
             uint8_t b = color & 0xFF;
             mux_ptr->set_led_color(i, r, g, b);
             mux_ptr->show();
-            delay(15);
+            delay(5);
         }
         // Turn off this LED before moving to next
         mux_ptr->set_led_color(i, 0, 0, 0);
@@ -213,7 +213,7 @@ void DefaultLedStub::begin() {
     }
 
     // Final: all LEDs pulse through palette once together
-    for (int c = 1; c <= 127; c += 4) {
+    for (int c = 1; c <= 127; c += 8) {
         uint32_t color = launchpad_palette[c];
         uint8_t r = (color >> 16) & 0xFF;
         uint8_t g = (color >> 8) & 0xFF;
@@ -222,7 +222,7 @@ void DefaultLedStub::begin() {
             mux_ptr->set_led_color(i, r, g, b);
         }
         mux_ptr->show();
-        delay(12);
+        delay(8);
     }
 
     clear_all();

src/main.cpp

@@ -364,7 +364,7 @@ void handle_serial_command(const String& cmd) {
 
 void setup() {
     Serial.begin(115200);
-    delay(2000);
+    delay(500);
     
     Serial.println("=================================");
     Serial.println("  Loopy MIDI Controller v0.1");