Menu items for Separate NeoPixel (#19280)

Marlin/src/feature/leds/leds.cpp

                             : neo2.Color(incol.r, incol.g, incol.b, incol.w);
     neo2.set_brightness(incol.i);
     neo2.set_color(neocolor);
+  
+    #if ENABLED(LED_CONTROL_MENU)
+      // Don't update the color when OFF
+      lights_on = !incol.is_off();
+      if (lights_on) color = incol;
+    #endif
   }
+    
+  #if ENABLED(LED_CONTROL_MENU)
+    void LEDLights2::toggle() { if (lights_on) set_off(); else update(); }
+  #endif
 
 #endif  // NEOPIXEL2_SEPARATE
 

Marlin/src/feature/leds/leds.h

       static inline void set_violet()   { set_color(LEDColorViolet()); }
     #endif
 
-    #if ENABLED(LED_CONTROL_MENU)
+    #if ENABLED(NEOPIXEL2_SEPARATE)
       static LEDColor color; // last non-off color
       static bool lights_on; // the last set color was "on"
       static void toggle();  // swap "off" with color

Marlin/src/inc/SanityCheck.h

   #if !(_RGB_TEST && PIN_EXISTS(RGB_LED_W))
     #error "RGBW_LED requires RGB_LED_R_PIN, RGB_LED_G_PIN, RGB_LED_B_PIN, and RGB_LED_W_PIN."
   #endif
-#elif ENABLED(NEOPIXEL_LED)
-  #if !(PIN_EXISTS(NEOPIXEL) && NEOPIXEL_PIXELS > 0)
+#endif
+#undef _RGB_TEST
+
+// NeoPixel requirements
+#if ENABLED(NEOPIXEL_LED)
+  #if !PIN_EXISTS(NEOPIXEL) || NEOPIXEL_PIXELS == 0
     #error "NEOPIXEL_LED requires NEOPIXEL_PIN and NEOPIXEL_PIXELS."
-  #endif
-  #elif ENABLED(NEOPIXEL2_SEPARATE)
-   #if !(PIN_EXISTS(NEOPIXEL2) && NEOPIXEL2_PIXELS > 0)
-    #error "NEOPIXEL2 requires NEOPIXEL2_PIN and NEOPIXEL2_PIXELS."
+  #elif ENABLED(NEOPIXEL2_SEPARATE) && !(NEOPIXEL2_TYPE && PIN_EXISTS(NEOPIXEL2) && NEOPIXEL2_PIXELS > 0)
+    #error "NEOPIXEL2_SEPARATE requires NEOPIXEL2_PIN, NEOPIXEL2_TYPE and NEOPIXEL2_PIXELS."
+  #elif ENABLED(NEO2_COLOR_PRESETS) && DISABLED(NEOPIXEL2_SEPARATE)
+    #error "NEO2_COLOR_PRESETS requires NEOPIXEL2_SEPARATE to be enabled."
   #endif
 #endif
 
-#undef _RGB_TEST
-
 #if DISABLED(NO_COMPILE_TIME_PWM)
   #define _TEST_PWM(P) PWM_PIN(P)
 #else

Marlin/src/lcd/language/language_en.h

   PROGMEM Language_Str MSG_SET_LEDS_VIOLET                 = _UxGT("Violet");
   PROGMEM Language_Str MSG_SET_LEDS_WHITE                  = _UxGT("White");
   PROGMEM Language_Str MSG_SET_LEDS_DEFAULT                = _UxGT("Default");
+  PROGMEM Language_Str MSG_LED_CHANNEL_N                   = _UxGT("Channel =");
+  PROGMEM Language_Str MSG_LEDS2                           = _UxGT("Lights #2");
+  PROGMEM Language_Str MSG_NEO2_PRESETS                    = _UxGT("Light #2 Presets");
+  PROGMEM Language_Str MSG_NEO2_BRIGHTNESS                 = _UxGT("Brightness");
   PROGMEM Language_Str MSG_CUSTOM_LEDS                     = _UxGT("Custom Lights");
   PROGMEM Language_Str MSG_INTENSITY_R                     = _UxGT("Red Intensity");
   PROGMEM Language_Str MSG_INTENSITY_G                     = _UxGT("Green Intensity");

Marlin/src/lcd/menu/menu_led.cpp

 
   #endif
 
+  #if ENABLED(NEO2_COLOR_PRESETS)
+
+    void menu_leds2_presets() {
+      START_MENU();
+      #if LCD_HEIGHT > 2
+        STATIC_ITEM(MSG_NEO2_PRESETS, SS_DEFAULT|SS_INVERT);
+      #endif
+      BACK_ITEM(MSG_LED_CONTROL);
+      ACTION_ITEM(MSG_SET_LEDS_WHITE,  leds2.set_white);
+      ACTION_ITEM(MSG_SET_LEDS_RED,    leds2.set_red);
+      ACTION_ITEM(MSG_SET_LEDS_ORANGE, leds2.set_orange);
+      ACTION_ITEM(MSG_SET_LEDS_YELLOW, leds2.set_yellow);
+      ACTION_ITEM(MSG_SET_LEDS_GREEN,  leds2.set_green);
+      ACTION_ITEM(MSG_SET_LEDS_BLUE,   leds2.set_blue);
+      ACTION_ITEM(MSG_SET_LEDS_INDIGO, leds2.set_indigo);
+      ACTION_ITEM(MSG_SET_LEDS_VIOLET, leds2.set_violet);
+      END_MENU();
+    }
+
+  #endif
+
   void menu_led_custom() {
     START_MENU();
     BACK_ITEM(MSG_LED_CONTROL);
+    #if ENABLED(NEOPIXEL2_SEPARATE)
+      STATIC_ITEM_N(MSG_LED_CHANNEL_N, 1, SS_DEFAULT|SS_INVERT);
+    #endif
     EDIT_ITEM(uint8, MSG_INTENSITY_R, &leds.color.r, 0, 255, leds.update, true);
     EDIT_ITEM(uint8, MSG_INTENSITY_G, &leds.color.g, 0, 255, leds.update, true);
     EDIT_ITEM(uint8, MSG_INTENSITY_B, &leds.color.b, 0, 255, leds.update, true);
         EDIT_ITEM(uint8, MSG_LED_BRIGHTNESS, &leds.color.i, 0, 255, leds.update, true);
       #endif
     #endif
+    #if ENABLED(NEOPIXEL2_SEPARATE)
+      STATIC_ITEM_N(MSG_LED_CHANNEL_N, 2, SS_DEFAULT|SS_INVERT);
+      EDIT_ITEM(uint8, MSG_INTENSITY_R, &leds2.color.r, 0, 255, leds2.update, true);
+      EDIT_ITEM(uint8, MSG_INTENSITY_G, &leds2.color.g, 0, 255, leds2.update, true);
+      EDIT_ITEM(uint8, MSG_INTENSITY_B, &leds2.color.b, 0, 255, leds2.update, true);
+      EDIT_ITEM(uint8, MSG_INTENSITY_W, &leds2.color.w, 0, 255, leds2.update, true);
+      EDIT_ITEM(uint8, MSG_NEO2_BRIGHTNESS, &leds2.color.i, 0, 255, leds2.update, true);
+    #endif
     END_MENU();
   }
 #endif
   BACK_ITEM(MSG_MAIN);
 
   #if ENABLED(LED_CONTROL_MENU)
-    bool led_on = leds.lights_on;
-    EDIT_ITEM(bool, MSG_LEDS, &led_on, leds.toggle);
+    editable.state = leds.lights_on;
+    EDIT_ITEM(bool, MSG_LEDS, &editable.state, leds.toggle);
     ACTION_ITEM(MSG_SET_LEDS_DEFAULT, leds.set_default);
+    #if ENABLED(NEOPIXEL2_SEPARATE)
+      editable.state = leds2.lights_on;
+      EDIT_ITEM(bool, MSG_LEDS2, &editable.state, leds2.toggle);
+      ACTION_ITEM(MSG_SET_LEDS_DEFAULT, leds2.set_default);
+    #endif
     #if ENABLED(LED_COLOR_PRESETS)
       SUBMENU(MSG_LED_PRESETS, menu_led_presets);
     #endif
+    #if ENABLED(NEO2_COLOR_PRESETS)
+      SUBMENU(MSG_NEO2_PRESETS, menu_leds2_presets);
+    #endif
     SUBMENU(MSG_CUSTOM_LEDS, menu_led_custom);
   #endif