@@ -95,7 +95,62 @@ void LEDLights::setup() {
9595 delay (500 );
9696 }
9797 #endif // RGB_STARTUP_TEST
98- #endif
98+
99+ #elif BOTH(PCA9632, RGB_STARTUP_TEST) // PCA9632 RGB_STARTUP_TEST
100+
101+ constexpr int8_t led_pin_count = TERN (HAS_WHITE_LED, 4 , 3 );
102+
103+ // Startup animation
104+ LEDColor curColor = LEDColorOff ();
105+ PCA9632_set_led_color (curColor); // blackout
106+ delay (200 );
107+
108+ /*
109+ * LED Pin Counter steps -> events
110+ * | 0-100 | 100-200 | 200-300 | 300-400 |
111+ * fade in steady | fade out
112+ * start next pin fade in
113+ */
114+
115+ uint16_t led_pin_counters[led_pin_count] = { 1 , 0 , 0 };
116+
117+ bool canEnd = false ;
118+ while (led_pin_counters[0 ] != 99 || !canEnd) {
119+ if (led_pin_counters[0 ] == 99 ) // End loop next time pin0 counter is 99
120+ canEnd = true ;
121+ LOOP_L_N (i, led_pin_count) {
122+ if (led_pin_counters[i] > 0 ) {
123+ if (++led_pin_counters[i] == 400 ) // turn off current pin counter in led_pin_counters
124+ led_pin_counters[i] = 0 ;
125+ else if (led_pin_counters[i] == 201 ) { // start next pin pwm
126+ led_pin_counters[i + 1 == led_pin_count ? 0 : i + 1 ] = 1 ;
127+ i++; // skip next pin in this loop so it doesn't increment twice
128+ }
129+ }
130+ }
131+ uint16_t r, g, b;
132+ r = led_pin_counters[0 ]; curColor.r = r <= 100 ? r : r <= 300 ? 100 : 400 - r;
133+ g = led_pin_counters[1 ]; curColor.g = g <= 100 ? g : g <= 300 ? 100 : 400 - g;
134+ b = led_pin_counters[2 ]; curColor.b = b <= 100 ? b : b <= 300 ? 100 : 400 - b;
135+ #if HAS_WHITE_LED
136+ const uint16_t w = led_pin_counters[3 ]; curColor.w = w <= 100 ? w : w <= 300 ? 100 : 400 - w;
137+ #endif
138+ PCA9632_set_led_color (curColor);
139+ delay (RGB_STARTUP_TEST_INNER_MS);
140+ }
141+
142+ // Fade to white
143+ LOOP_LE_N (led_pwm, 100 ) {
144+ NOLESS (curColor.r , led_pwm);
145+ NOLESS (curColor.g , led_pwm);
146+ NOLESS (curColor.b , led_pwm);
147+ TERN_ (HAS_WHITE_LED, NOLESS (curColor.w , led_pwm));
148+ PCA9632_set_led_color (curColor);
149+ delay (RGB_STARTUP_TEST_INNER_MS);
150+ }
151+
152+ #endif // PCA9632 && RGB_STARTUP_TEST
153+
99154 TERN_ (NEOPIXEL_LED, neo.init ());
100155 TERN_ (PCA9533, PCA9533_init ());
101156 TERN_ (LED_USER_PRESET_STARTUP, set_default ());
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