LEDs refactor and extend

Marlin/Configuration.h

@@ -2708,10 +2708,11 @@
     //#define NEOPIXEL2_INSERIES      // Default behavior is NeoPixel 2 in parallel
   #endif
 
-  // Use a single NeoPixel LED for static (background) lighting
-  //#define NEOPIXEL_BKGD_LED_INDEX  0               // Index of the LED to use
-  //#define NEOPIXEL_BKGD_COLOR { 255, 255, 255, 0 } // R, G, B, W
-  //#define NEOPIXEL_BKGD_ALWAYS_ON                  // Keep the backlight on when other NeoPixels are off
+  // Use some of the NeoPixel LEDs for static (background) lighting
+  //#define NEOPIXEL_BKGD_INDEX_FIRST  0              // Index of the first background LED
+  //#define NEOPIXEL_BKGD_INDEX_LAST   5              // Index of the last background LED
+  //#define NEOPIXEL_BKGD_COLOR { 255, 255, 255, 0 }  // R, G, B, W
+  //#define NEOPIXEL_BKGD_ALWAYS_ON                   // Keep the backlight on when other NeoPixels are off
 #endif
 
 /**

Marlin/src/feature/caselight.cpp

@@ -65,9 +65,7 @@ void CaseLight::update(const bool sflag) {
   #endif
 
   #if CASE_LIGHT_IS_COLOR_LED
-
-    leds.set_color(MakeLEDColor(color.r, color.g, color.b, color.w, n10ct));
-
+    leds.set_color(LEDColor(color.r, color.g, color.b OPTARG(HAS_WHITE_LED, color.w), n10ct));
   #else // !CASE_LIGHT_IS_COLOR_LED
 
     #if CASELIGHT_USES_BRIGHTNESS

Marlin/src/feature/leds/leds.cpp

@@ -47,9 +47,10 @@
 #endif
 
 #if ENABLED(LED_COLOR_PRESETS)
-  const LEDColor LEDLights::defaultLEDColor = MakeLEDColor(
-    LED_USER_PRESET_RED, LED_USER_PRESET_GREEN, LED_USER_PRESET_BLUE,
-    LED_USER_PRESET_WHITE, LED_USER_PRESET_BRIGHTNESS
+  const LEDColor LEDLights::defaultLEDColor = LEDColor(
+    LED_USER_PRESET_RED, LED_USER_PRESET_GREEN, LED_USER_PRESET_BLUE
+    OPTARG(HAS_WHITE_LED, LED_USER_PRESET_WHITE)
+    OPTARG(NEOPIXEL_LED, LED_USER_PRESET_BRIGHTNESS)
   );
 #endif
 
@@ -82,11 +83,11 @@ void LEDLights::set_color(const LEDColor &incol
 
     const uint32_t neocolor = LEDColorWhite() == incol
                             ? neo.Color(NEO_WHITE)
-                            : neo.Color(incol.r, incol.g, incol.b, incol.w);
+                            : neo.Color(incol.r, incol.g, incol.b OPTARG(HAS_WHITE_LED, incol.w));
     static uint16_t nextLed = 0;
 
-    #ifdef NEOPIXEL_BKGD_LED_INDEX
-      if (NEOPIXEL_BKGD_LED_INDEX == nextLed) {
+    #ifdef NEOPIXEL_BKGD_INDEX_FIRST
+      while (WITHIN(nextLed, NEOPIXEL_BKGD_INDEX_FIRST, NEOPIXEL_BKGD_INDEX_LAST)) {
         neo.set_color_background();
         if (++nextLed >= neo.pixels()) {
           nextLed = 0;
@@ -167,9 +168,10 @@ void LEDLights::set_color(const LEDColor &incol
 #if ENABLED(NEOPIXEL2_SEPARATE)
 
   #if ENABLED(NEO2_COLOR_PRESETS)
-    const LEDColor LEDLights2::defaultLEDColor = MakeLEDColor(
-      NEO2_USER_PRESET_RED, NEO2_USER_PRESET_GREEN, NEO2_USER_PRESET_BLUE,
-      NEO2_USER_PRESET_WHITE, NEO2_USER_PRESET_BRIGHTNESS
+    const LEDColor LEDLights2::defaultLEDColor = LEDColor(
+      LED_USER_PRESET_RED, LED_USER_PRESET_GREEN, LED_USER_PRESET_BLUE
+      OPTARG(HAS_WHITE_LED2, LED_USER_PRESET_WHITE)
+      OPTARG(NEOPIXEL_LED, LED_USER_PRESET_BRIGHTNESS)
     );
   #endif
 
@@ -188,7 +190,7 @@ void LEDLights::set_color(const LEDColor &incol
   void LEDLights2::set_color(const LEDColor &incol) {
     const uint32_t neocolor = LEDColorWhite() == incol
                             ? neo2.Color(NEO2_WHITE)
-                            : neo2.Color(incol.r, incol.g, incol.b, incol.w);
+                            : neo2.Color(incol.r, incol.g, incol.b OPTARG(HAS_WHITE_LED2, incol.w));
     neo2.set_brightness(incol.i);
     neo2.set_color(neocolor);
 

Marlin/src/feature/leds/leds.h

@@ -34,7 +34,7 @@
 #endif
 
 // A white component can be passed
-#if ANY(RGBW_LED, NEOPIXEL_LED, PCA9632_RGBW)
+#if EITHER(RGBW_LED, PCA9632_RGBW)
   #define HAS_WHITE_LED 1
 #endif
 
@@ -84,9 +84,8 @@ typedef struct LEDColor {
 } LEDColor;
 
 /**
- * Color helpers and presets
+ * Color presets
  */
-#define MakeLEDColor(R,G,B,W,I)   LEDColor(R, G, B OPTARG(HAS_WHITE_LED, W) OPTARG(NEOPIXEL_LED, I))
 
 #define LEDColorOff()             LEDColor(  0,   0,   0)
 #define LEDColorRed()             LEDColor(255,   0,   0)
@@ -122,7 +121,7 @@ class LEDLights {
     OPTARG(NEOPIXEL_LED, uint8_t i=NEOPIXEL_BRIGHTNESS)
     OPTARG(NEOPIXEL_LED, bool isSequence=false)
   ) {
-    set_color(MakeLEDColor(r, g, b, w, i) OPTARG(NEOPIXEL_LED, isSequence));
+    set_color(LEDColor(r, g, b OPTARG(HAS_WHITE_LED, w) OPTARG(NEOPIXEL_LED, i)) OPTARG(NEOPIXEL_LED, isSequence));
   }
 
   static inline void set_off()   { set_color(LEDColorOff()); }
@@ -180,8 +179,14 @@ extern LEDLights leds;
 
     static void set_color(const LEDColor &color);
 
-    inline void set_color(uint8_t r, uint8_t g, uint8_t b, uint8_t w=0, uint8_t i=NEOPIXEL2_BRIGHTNESS) {
-      set_color(MakeLEDColor(r, g, b, w, i));
+    static inline void set_color(uint8_t r, uint8_t g, uint8_t b
+      OPTARG(HAS_WHITE_LED, uint8_t w=0)
+      OPTARG(NEOPIXEL_LED, uint8_t i=NEOPIXEL_BRIGHTNESS)
+    ) {
+      set_color(LEDColor(r, g, b
+        OPTARG(HAS_WHITE_LED, w)
+        OPTARG(NEOPIXEL_LED, i)
+      ));
     }
 
     static inline void set_off()   { set_color(LEDColorOff()); }

Marlin/src/feature/leds/neopixel.cpp

@@ -37,17 +37,18 @@
 Marlin_NeoPixel neo;
 int8_t Marlin_NeoPixel::neoindex;
 
-Adafruit_NeoPixel Marlin_NeoPixel::adaneo1(NEOPIXEL_PIXELS, NEOPIXEL_PIN, NEOPIXEL_TYPE + NEO_KHZ800)
-  #if CONJOINED_NEOPIXEL
-    , Marlin_NeoPixel::adaneo2(NEOPIXEL_PIXELS, NEOPIXEL2_PIN, NEOPIXEL2_TYPE + NEO_KHZ800)
-  #endif
-;
+Adafruit_NeoPixel Marlin_NeoPixel::adaneo1(NEOPIXEL_PIXELS, NEOPIXEL_PIN, NEOPIXEL_TYPE + NEO_KHZ800);
+#if CONJOINED_NEOPIXEL
+  Adafruit_NeoPixel Marlin_NeoPixel::adaneo2(NEOPIXEL_PIXELS, NEOPIXEL2_PIN, NEOPIXEL2_TYPE + NEO_KHZ800);
+#endif
 
-#ifdef NEOPIXEL_BKGD_LED_INDEX
+#ifdef NEOPIXEL_BKGD_INDEX_FIRST
 
   void Marlin_NeoPixel::set_color_background() {
     uint8_t background_color[4] = NEOPIXEL_BKGD_COLOR;
-    set_pixel_color(NEOPIXEL_BKGD_LED_INDEX, adaneo1.Color(background_color[0], background_color[1], background_color[2], background_color[3]));
+    for  (int background_led = NEOPIXEL_BKGD_INDEX_FIRST; background_led <= NEOPIXEL_BKGD_INDEX_LAST; background_led++) {
+      set_pixel_color(background_led, adaneo1.Color(background_color[0], background_color[1], background_color[2], background_color[3]));
+    }
   }
 
 #endif
@@ -59,9 +60,10 @@ void Marlin_NeoPixel::set_color(const uint32_t color) {
   }
   else {
     for (uint16_t i = 0; i < pixels(); ++i) {
-      #ifdef NEOPIXEL_BKGD_LED_INDEX
-        if (i == NEOPIXEL_BKGD_LED_INDEX && TERN(NEOPIXEL_BKGD_ALWAYS_ON, true, color != 0x000000)) {
+      #ifdef NEOPIXEL_BKGD_INDEX_FIRST
+        if (i == NEOPIXEL_BKGD_INDEX_FIRST && TERN(NEOPIXEL_BKGD_ALWAYS_ON, true, color != 0x000000)) {
           set_color_background();
+          i += NEOPIXEL_BKGD_INDEX_LAST - (NEOPIXEL_BKGD_INDEX_FIRST);
           continue;
         }
       #endif
@@ -90,35 +92,25 @@ void Marlin_NeoPixel::init() {
     safe_delay(500);
     set_color_startup(adaneo1.Color(0, 0, 255, 0));  // blue
     safe_delay(500);
-  #endif
+    #if HAS_WHITE_LED
+      set_color_startup(adaneo1.Color(0, 0, 0, 255));  // white
+      safe_delay(500);
+    #endif
 
-  #ifdef NEOPIXEL_BKGD_LED_INDEX
-    set_color_background();
   #endif
 
-  #if ENABLED(LED_USER_PRESET_STARTUP)
-    set_color(adaneo1.Color(LED_USER_PRESET_RED, LED_USER_PRESET_GREEN, LED_USER_PRESET_BLUE, LED_USER_PRESET_WHITE));
-  #else
-    set_color(adaneo1.Color(0, 0, 0, 0));
+  #ifdef NEOPIXEL_BKGD_INDEX_FIRST
+    set_color_background();
   #endif
-}
 
-#if 0
-bool Marlin_NeoPixel::set_led_color(const uint8_t r, const uint8_t g, const uint8_t b, const uint8_t w, const uint8_t p) {
-  const uint32_t color = adaneo1.Color(r, g, b, w);
-  set_brightness(p);
-  #if DISABLED(NEOPIXEL_IS_SEQUENTIAL)
-    set_color(color);
-    return false;
-  #else
-    static uint16_t nextLed = 0;
-    set_pixel_color(nextLed, color);
-    show();
-    if (++nextLed >= pixels()) nextLed = 0;
-    return true;
-  #endif
+  set_color(adaneo1.Color(
+    #if ENABLED(LED_USER_PRESET_STARTUP)
+      LED_USER_PRESET_RED, LED_USER_PRESET_GREEN, LED_USER_PRESET_BLUE, LED_USER_PRESET_WHITE
+    #else
+      0, 0, 0, 0
+    #endif
+  ));
 }
-#endif
 
 #if ENABLED(NEOPIXEL2_SEPARATE)
 
@@ -158,13 +150,19 @@ bool Marlin_NeoPixel::set_led_color(const uint8_t r, const uint8_t g, const uint
       safe_delay(500);
       set_color_startup(adaneo.Color(0, 0, 255, 0));  // blue
       safe_delay(500);
+      #if HAS_WHITE_LED2
+        set_color_startup(adaneo.Color(0, 0, 0, 255));  // white
+        safe_delay(500);
+      #endif
     #endif
 
-    #if ENABLED(NEO2_USER_PRESET_STARTUP)
-      set_color(adaneo.Color(NEO2_USER_PRESET_RED, NEO2_USER_PRESET_GREEN, NEO2_USER_PRESET_BLUE, NEO2_USER_PRESET_WHITE));
-    #else
-      set_color(adaneo.Color(0, 0, 0, 0));
-    #endif
+    set_color(adaneo.Color(
+      #if ENABLED(NEO2_USER_PRESET_STARTUP)
+        NEO2_USER_PRESET_RED, NEO2_USER_PRESET_GREEN, NEO2_USER_PRESET_BLUE, NEO2_USER_PRESET_WHITE
+      #else
+        0, 0, 0, 0
+      #endif
+    ));
   }
 
 #endif // NEOPIXEL2_SEPARATE

Marlin/src/feature/leds/neopixel.h

@@ -46,16 +46,19 @@
   #define CONJOINED_NEOPIXEL 1
 #endif
 
-#if NEOPIXEL_TYPE == NEO_RGB || NEOPIXEL_TYPE == NEO_RBG || NEOPIXEL_TYPE == NEO_GRB || NEOPIXEL_TYPE == NEO_GBR || NEOPIXEL_TYPE == NEO_BRG || NEOPIXEL_TYPE == NEO_BGR
+#define _NEO_IS_RGB(N) (N == NEO_RGB || N == NEO_RBG || N == NEO_GRB || N == NEO_GBR || N == NEO_BRG || N == NEO_BGR)
+
+#if _NEO_IS_RGB(NEOPIXEL_TYPE)
   #define NEOPIXEL_IS_RGB 1
+  #define NEO_WHITE 255, 255, 255
 #else
   #define NEOPIXEL_IS_RGBW 1
+  #define NEO_WHITE 0, 0, 0, 255
 #endif
 
-#if NEOPIXEL_IS_RGB
-  #define NEO_WHITE 255, 255, 255, 0
-#else
-  #define NEO_WHITE 0, 0, 0, 255
+// A white component can be passed
+#if ANY(RGBW_LED, NEOPIXEL_IS_RGBW, PCA9632_RGBW)
+  #define HAS_WHITE_LED 1
 #endif
 
 // ------------------------
@@ -64,11 +67,10 @@
 
 class Marlin_NeoPixel {
 private:
-  static Adafruit_NeoPixel adaneo1
-    #if CONJOINED_NEOPIXEL
-      , adaneo2
-    #endif
-  ;
+  static Adafruit_NeoPixel adaneo1;
+  #if CONJOINED_NEOPIXEL
+    static Adafruit_NeoPixel adaneo2;
+  #endif
 
 public:
   static int8_t neoindex;
@@ -78,7 +80,7 @@ class Marlin_NeoPixel {
 
   static void set_color(const uint32_t c);
 
-  #ifdef NEOPIXEL_BKGD_LED_INDEX
+  #ifdef NEOPIXEL_BKGD_INDEX_FIRST
     static void set_color_background();
   #endif
 
@@ -93,9 +95,7 @@ class Marlin_NeoPixel {
       else adaneo1.setPixelColor(n, c);
     #else
       adaneo1.setPixelColor(n, c);
-      #if MULTIPLE_NEOPIXEL_TYPES
-        adaneo2.setPixelColor(n, c);
-      #endif
+      TERN_(MULTIPLE_NEOPIXEL_TYPES, adaneo2.setPixelColor(n, c));
     #endif
   }
 
@@ -120,15 +120,13 @@ class Marlin_NeoPixel {
     TERN_(HAS_PAUSE_SERVO_OUTPUT, RESUME_SERVO_OUTPUT());
   }
 
-  #if 0
-    bool set_led_color(const uint8_t r, const uint8_t g, const uint8_t b, const uint8_t w, const uint8_t p);
-  #endif
-
   // Accessors
-  static inline uint16_t pixels() { TERN(NEOPIXEL2_INSERIES, return adaneo1.numPixels() * 2, return adaneo1.numPixels()); }
+  static inline uint16_t pixels() { return adaneo1.numPixels() * TERN1(NEOPIXEL2_INSERIES, 2); }
+
   static inline uint8_t brightness() { return adaneo1.getBrightness(); }
-  static inline uint32_t Color(uint8_t r, uint8_t g, uint8_t b, uint8_t w) {
-    return adaneo1.Color(r, g, b, w);
+
+  static inline uint32_t Color(uint8_t r, uint8_t g, uint8_t b OPTARG(HAS_WHITE_LED, uint8_t w)) {
+    return adaneo1.Color(r, g, b OPTARG(HAS_WHITE_LED, w));
   }
 };
 
@@ -137,15 +135,12 @@ extern Marlin_NeoPixel neo;
 // Neo pixel channel 2
 #if ENABLED(NEOPIXEL2_SEPARATE)
 
-  #if NEOPIXEL2_TYPE == NEO_RGB || NEOPIXEL2_TYPE == NEO_RBG || NEOPIXEL2_TYPE == NEO_GRB || NEOPIXEL2_TYPE == NEO_GBR || NEOPIXEL2_TYPE == NEO_BRG || NEOPIXEL2_TYPE == NEO_BGR
+  #if _NEO_IS_RGB(NEOPIXEL2_TYPE)
     #define NEOPIXEL2_IS_RGB 1
+    #define NEO2_WHITE 255, 255, 255
   #else
     #define NEOPIXEL2_IS_RGBW 1
-  #endif
-
-  #if NEOPIXEL2_IS_RGB
-    #define NEO2_WHITE 255, 255, 255, 0
-  #else
+    #define HAS_WHITE_LED2 1      // A white component can be passed for NEOPIXEL2
     #define NEO2_WHITE 0, 0, 0, 255
   #endif
 
@@ -172,9 +167,7 @@ extern Marlin_NeoPixel neo;
     // Accessors
     static inline uint16_t pixels() { return adaneo.numPixels();}
     static inline uint8_t brightness() { return adaneo.getBrightness(); }
-    static inline uint32_t Color(uint8_t r, uint8_t g, uint8_t b, uint8_t w) {
-      return adaneo.Color(r, g, b, w);
-    }
+    static inline uint32_t Color(uint8_t r, uint8_t g, uint8_t b OPTARG(HAS_WHITE_LED2, uint8_t w)) { return adaneo.Color(r, g, b OPTARG(HAS_WHITE_LED2, w)); }
   };
 
   extern Marlin_NeoPixel2 neo2;

Marlin/src/feature/leds/printer_event_leds.cpp

@@ -45,13 +45,8 @@ PrinterEventLEDs printerEventLEDs;
     return (uint8_t)map(constrain(current, start, target), start, target, 0, 255);
   }
 
-  inline void pel_set_rgb(const uint8_t r, const uint8_t g, const uint8_t b) {
-    leds.set_color(
-      MakeLEDColor(r, g, b, 0, neo.brightness())
-      #if ENABLED(NEOPIXEL_IS_SEQUENTIAL)
-        , true
-      #endif
-    );
+  inline void pel_set_rgb(const uint8_t r, const uint8_t g, const uint8_t b OPTARG(HAS_WHITE_LED, const uint8_t w=0)) {
+    leds.set_color(LEDColor(r, g, b OPTARG(HAS_WHITE_LED, w) OPTARG(NEOPIXEL_LED, neo.brightness())));
   }
 
 #endif

Marlin/src/gcode/feature/leds/M150.cpp

@@ -66,12 +66,12 @@ void GcodeSuite::M150() {
     #endif
   #endif
 
-  const LEDColor color = MakeLEDColor(
+  const LEDColor color = LEDColor(
     parser.seen('R') ? (parser.has_value() ? parser.value_byte() : 255) : 0,
     parser.seen('U') ? (parser.has_value() ? parser.value_byte() : 255) : 0,
-    parser.seen('B') ? (parser.has_value() ? parser.value_byte() : 255) : 0,
-    parser.seen('W') ? (parser.has_value() ? parser.value_byte() : 255) : 0,
-    parser.seen('P') ? (parser.has_value() ? parser.value_byte() : 255) : brightness
+    parser.seen('B') ? (parser.has_value() ? parser.value_byte() : 255) : 0
+    OPTARG(HAS_WHITE_LED, parser.seen('W') ? (parser.has_value() ? parser.value_byte() : 255) : 0)
+    OPTARG(NEOPIXEL_LED, parser.seen('P') ? (parser.has_value() ? parser.value_byte() : 255) : brightness)
   );
 
   #if ENABLED(NEOPIXEL2_SEPARATE)

Marlin/src/inc/Conditionals_LCD.h

@@ -1303,3 +1303,10 @@
 #else
   #define COORDINATE_OKAY(N,L,H) true
 #endif
+
+/**
+ * LED Backlight INDEX END
+ */
+#if defined(NEOPIXEL_BKGD_INDEX_FIRST) && !defined(NEOPIXEL_BKGD_INDEX_LAST)
+  #define NEOPIXEL_BKGD_INDEX_LAST NEOPIXEL_BKGD_INDEX_FIRST
+#endif