Cleanups/changes to led control menu

Marlin/Marlin_main.cpp

   #include "Max7219_Debug_LEDs.h"
 #endif
 
-#if ENABLED(NEOPIXEL_LED)
-  #include <Adafruit_NeoPixel.h>
-#endif
-
-#if ENABLED(BLINKM)
-  #include "blinkm.h"
-  #include "Wire.h"
-#endif
-
-#if ENABLED(PCA9632)
-  #include "pca9632.h"
+#if HAS_COLOR_LEDS
+  #include "leds.h"
 #endif
 
 #if HAS_SERVOS
   void gcode_G26();
 #endif
 
-#if ENABLED(LED_CONTROL_MENU)
-  #if ENABLED(LED_COLOR_PRESETS)
-    uint8_t led_intensity_red = LED_USER_PRESET_RED,
-            led_intensity_green = LED_USER_PRESET_GREEN,
-            led_intensity_blue = LED_USER_PRESET_BLUE
-            #if ENABLED(RGBW_LED) || ENABLED(NEOPIXEL_LED)
-              , led_intensity_white = LED_USER_PRESET_WHITE
-            #endif
-            #if ENABLED(NEOPIXEL_LED)
-              , led_intensity = NEOPIXEL_BRIGHTNESS
-            #endif
-            ;
-  #else
-    uint8_t led_intensity_red = 255,
-            led_intensity_green = 255,
-            led_intensity_blue = 255
-            #if ENABLED(RGBW_LED) || ENABLED(NEOPIXEL_LED)
-              , led_intensity_white = 0
-            #endif
-            #if ENABLED(NEOPIXEL_LED)
-              , led_intensity = NEOPIXEL_BRIGHTNESS
-            #endif
-            ;
-  #endif
-#endif
-
 #if ENABLED(SDSUPPORT)
   CardReader card;
 #endif
                            || isnan(ubl.z_values[0][0]))
 #endif
 
-#if ENABLED(NEOPIXEL_LED)
-  #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_WHITE 255, 255, 255
-  #else
-    #define NEO_WHITE 0, 0, 0, 255
-  #endif
-#endif
-
-#if ENABLED(RGB_LED) || ENABLED(BLINKM) || ENABLED(PCA9632)
-  #define LED_WHITE 255, 255, 255
-#elif ENABLED(RGBW_LED)
-  #define LED_WHITE 0, 0, 0, 255
-#endif
-
 #if ENABLED(CNC_COORDINATE_SYSTEMS)
   int8_t active_coordinate_system = -1; // machine space
   float coordinate_system[MAX_COORDINATE_SYSTEMS][XYZ];
 
 #endif
 
-#if HAS_COLOR_LEDS
-
-  #if ENABLED(NEOPIXEL_LED)
-
-    Adafruit_NeoPixel pixels(NEOPIXEL_PIXELS, NEOPIXEL_PIN, NEOPIXEL_TYPE + NEO_KHZ800);
-
-    void set_neopixel_color(const uint32_t color) {
-      for (uint16_t i = 0; i < pixels.numPixels(); ++i)
-        pixels.setPixelColor(i, color);
-      pixels.show();
-    }
-
-    void setup_neopixel() {
-      pixels.setBrightness(NEOPIXEL_BRIGHTNESS); // 0 - 255 range
-      pixels.begin();
-      pixels.show(); // initialize to all off
-
-      #if ENABLED(NEOPIXEL_STARTUP_TEST)
-        safe_delay(1000);
-        set_neopixel_color(pixels.Color(255, 0, 0, 0));  // red
-        safe_delay(1000);
-        set_neopixel_color(pixels.Color(0, 255, 0, 0));  // green
-        safe_delay(1000);
-        set_neopixel_color(pixels.Color(0, 0, 255, 0));  // blue
-        safe_delay(1000);
-      #endif
-      set_neopixel_color(pixels.Color(NEO_WHITE));       // white
-    }
-
-  #endif // NEOPIXEL_LED
-
-  void set_led_color(
-    const uint8_t r, const uint8_t g, const uint8_t b
-      #if ENABLED(RGBW_LED) || ENABLED(NEOPIXEL_LED)
-        , const uint8_t w = 0
-        #if ENABLED(NEOPIXEL_LED)
-          , const uint8_t p = NEOPIXEL_BRIGHTNESS
-          , bool isSequence = false
-        #endif
-      #endif
-  ) {
-
-    #if ENABLED(NEOPIXEL_LED)
-
-      const uint32_t color = pixels.Color(r, g, b, w);
-      static uint16_t nextLed = 0;
-
-      pixels.setBrightness(p);
-      if (!isSequence)
-        set_neopixel_color(color);
-      else {
-        pixels.setPixelColor(nextLed, color);
-        pixels.show();
-        if (++nextLed >= pixels.numPixels()) nextLed = 0;
-        return;
-      }
-
-    #endif
-
-    #if ENABLED(BLINKM)
-
-      // This variant uses i2c to send the RGB components to the device.
-      SendColors(r, g, b);
-
-    #endif
-
-    #if ENABLED(RGB_LED) || ENABLED(RGBW_LED)
-
-      // This variant uses 3 separate pins for the RGB components.
-      // If the pins can do PWM then their intensity will be set.
-      WRITE(RGB_LED_R_PIN, r ? HIGH : LOW);
-      WRITE(RGB_LED_G_PIN, g ? HIGH : LOW);
-      WRITE(RGB_LED_B_PIN, b ? HIGH : LOW);
-      analogWrite(RGB_LED_R_PIN, r);
-      analogWrite(RGB_LED_G_PIN, g);
-      analogWrite(RGB_LED_B_PIN, b);
-
-      #if ENABLED(RGBW_LED)
-        WRITE(RGB_LED_W_PIN, w ? HIGH : LOW);
-        analogWrite(RGB_LED_W_PIN, w);
-      #endif
-
-    #endif
-
-    #if ENABLED(PCA9632)
-      // Update I2C LED driver
-      PCA9632_SetColor(r, g, b);
-    #endif
-
-    #if ENABLED(LED_CONTROL_MENU)
-      if ((r + g + b
-        #if ENABLED(RGBW_LED) || ENABLED(NEOPIXEL_LED)
-          + w
-        #endif
-      ) >= 3) {
-        led_intensity_red = r;
-        led_intensity_green = g;
-        led_intensity_blue = b;
-        #if ENABLED(RGBW_LED) || ENABLED(NEOPIXEL_LED)
-          led_intensity_white = w;
-        #endif
-        #if ENABLED(NEOPIXEL_LED)
-          led_intensity = p;
-        #endif
-      }
-    #endif
-  }
-
-  void set_led_white() {
-    #if ENABLED(NEOPIXEL_LED)
-      set_neopixel_color(pixels.Color(NEO_WHITE));
-    #else
-      set_led_color(LED_WHITE);
-    #endif
-  }
-
-#endif // HAS_COLOR_LEDS
-
 void gcode_line_error(const char* err, bool doFlush = true) {
   SERIAL_ERROR_START();
   serialprintPGM(err);
             SERIAL_PROTOCOLLNPGM(MSG_FILE_PRINTED);
             #if ENABLED(PRINTER_EVENT_LEDS)
               LCD_MESSAGEPGM(MSG_INFO_COMPLETED_PRINTS);
-              set_led_color(0, 255, 0); // Green
+              leds.set_green();
               #if HAS_RESUME_CONTINUE
                 enqueue_and_echo_commands_P(PSTR("M0")); // end of the queue!
               #else
                 safe_delay(1000);
               #endif
-              set_led_color(0, 0, 0);   // OFF
+              leds.set_off();
             #endif
             card.checkautostart(true);
           }
         const uint8_t blue = map(constrain(temp, start_temp, target_temp), start_temp, target_temp, 255, 0);
         if (blue != old_blue) {
           old_blue = blue;
-          set_led_color(255, 0, blue
-          #if ENABLED(NEOPIXEL_LED)
-            , 0
-            , pixels.getBrightness()
+          leds.set_color(
+            MakeLEDColor(255, 0, blue, 0, pixels.getBrightness())
             #if ENABLED(NEOPIXEL_IS_SEQUENTIAL)
               , true
             #endif
-          #endif
           );
         }
       }
   if (wait_for_heatup) {
     LCD_MESSAGEPGM(MSG_HEATING_COMPLETE);
     #if ENABLED(PRINTER_EVENT_LEDS)
-      #if ENABLED(RGB_LED) || ENABLED(BLINKM) || ENABLED(PCA9632) || ENABLED(RGBW_LED)
-        set_led_color(LED_WHITE);
-      #endif
-      #if ENABLED(NEOPIXEL_LED)
-        set_neopixel_color(pixels.Color(NEO_WHITE));
-      #endif
+      leds.set_white();
     #endif
   }
 
           const uint8_t red = map(constrain(temp, start_temp, target_temp), start_temp, target_temp, 0, 255);
           if (red != old_red) {
             old_red = red;
-            set_led_color(red, 0, 255
-              #if ENABLED(NEOPIXEL_LED)
-                , 0, pixels.getBrightness()
-                #if ENABLED(NEOPIXEL_IS_SEQUENTIAL)
-                  , true
-                #endif
+            leds.set_color(
+              MakeLEDColor(red, 0, 255, 0, pixels.getBrightness())
+              #if ENABLED(NEOPIXEL_IS_SEQUENTIAL)
+                , true
               #endif
             );
           }
    *   M150 P          ; Set LED full brightness
    */
   inline void gcode_M150() {
-    set_led_color(
+    leds.set_color(MakeLEDColor(
       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
-      #if ENABLED(RGBW_LED) || ENABLED(NEOPIXEL_LED)
-        , parser.seen('W') ? (parser.has_value() ? parser.value_byte() : 255) : 0
-        #if ENABLED(NEOPIXEL_LED)
-          , parser.seen('P') ? (parser.has_value() ? parser.value_byte() : 255) : pixels.getBrightness()
-        #endif
-      #endif
-    );
+      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) : pixels.getBrightness()
+    ));
   }
 
 #endif // HAS_COLOR_LEDS
     OUT_WRITE(STAT_LED_BLUE_PIN, LOW); // turn it off
   #endif
 
-  #if ENABLED(NEOPIXEL_LED)
-    SET_OUTPUT(NEOPIXEL_PIN);
-    setup_neopixel();
+  #if HAS_COLOR_LEDS
+    leds.setup();
   #endif
 
   #if ENABLED(RGB_LED) || ENABLED(RGBW_LED)

Marlin/blinkm.cpp

  */
 
 /**
- * blinkm.cpp - Library for controlling a BlinkM over i2c
- * Created by Tim Koster, August 21 2013.
+ * blinkm.cpp - Control a BlinkM over i2c
  */
 
-#include "Marlin.h"
+#include "MarlinConfig.h"
 
 #if ENABLED(BLINKM)
 
 #include "blinkm.h"
+#include "leds.h"
+#include <Wire.h>
 
-void SendColors(byte red, byte grn, byte blu) {
+void blinkm_set_led_color(const LEDColor &color) {
   Wire.begin();
   Wire.beginTransmission(0x09);
   Wire.write('o');                    //to disable ongoing script, only needs to be used once
   Wire.write('n');
-  Wire.write(red);
-  Wire.write(grn);
-  Wire.write(blu);
+  Wire.write(color.r);
+  Wire.write(color.g);
+  Wire.write(color.b);
   Wire.endTransmission();
 }
 
 #endif // BLINKM
-

Marlin/blinkm.h

  */
 
 /**
- * blinkm.h - Library for controlling a BlinkM over i2c
- * Created by Tim Koster, August 21 2013.
+ * blinkm.h - Control a BlinkM over i2c
  */
 
-#include "Arduino.h"
-#include "Wire.h"
+#ifndef _BLINKM_H_
+#define _BLINKM_H_
 
-void SendColors(byte red, byte grn, byte blu);
+struct LEDColor;
+typedef LEDColor LEDColor;
+
+void blinkm_set_led_color(const LEDColor &color);
+
+#endif // _BLINKM_H_

Marlin/language_en.h

 #ifndef MSG_UBL_STEP_BY_STEP_MENU
   #define MSG_UBL_STEP_BY_STEP_MENU           _UxGT("Step-By-Step UBL")
 #endif
+
 #ifndef MSG_LED_CONTROL
   #define MSG_LED_CONTROL                     _UxGT("LED Control")
 #endif
-#ifndef MSG_LEDS_OFF
-  #define MSG_LEDS_OFF                        _UxGT("Turn Off Lights")
+#ifndef MSG_LEDS_ON
+  #define MSG_LEDS_ON                         _UxGT("Lights On")
 #endif
-#ifndef MSG_LED_ON
-  #define MSG_LED_ON                          _UxGT("Turn on ")
+#ifndef MSG_LEDS_OFF
+  #define MSG_LEDS_OFF                        _UxGT("Lights Off")
 #endif
-#ifndef MSG_RED
-  #define MSG_RED                             _UxGT("Red ")
+#ifndef MSG_LED_PRESETS
+  #define MSG_LED_PRESETS                     _UxGT("Light Presets")
 #endif
-#ifndef MSG_ORANGE
-  #define MSG_ORANGE                          _UxGT("Orange ")
+#ifndef MSG_SET_LEDS_RED
+  #define MSG_SET_LEDS_RED                    _UxGT("Lights Red")
 #endif
-#ifndef MSG_YELLOW
-  #define MSG_YELLOW                          _UxGT("Yellow ")
+#ifndef MSG_SET_LEDS_ORANGE
+  #define MSG_SET_LEDS_ORANGE                 _UxGT("Lights Orange")
 #endif
-#ifndef MSG_GREEN
-  #define MSG_GREEN                           _UxGT("Green ")
+#ifndef MSG_SET_LEDS_YELLOW
+  #define MSG_SET_LEDS_YELLOW                 _UxGT("Lights Yellow")
 #endif
-#ifndef MSG_BLUE
-  #define MSG_BLUE                            _UxGT("Blue ")
+#ifndef MSG_SET_LEDS_GREEN
+  #define MSG_SET_LEDS_GREEN                  _UxGT("Lights Green")
 #endif
-#ifndef MSG_PURPLE
-  #define MSG_PURPLE                          _UxGT("Purple ")
+#ifndef MSG_SET_LEDS_BLUE
+  #define MSG_SET_LEDS_BLUE                   _UxGT("Lights Blue")
 #endif
-#ifndef MSG_WHITE
-  #define MSG_WHITE                           _UxGT("White ")
+#ifndef MSG_SET_LEDS_INDIGO
+  #define MSG_SET_LEDS_INDIGO                 _UxGT("Lights Indigo")
 #endif
-#ifndef MSG_CUSTOM
-  #define MSG_CUSTOM                          _UxGT("Custom ")
+#ifndef MSG_SET_LEDS_VIOLET
+  #define MSG_SET_LEDS_VIOLET                 _UxGT("Lights Violet")
 #endif
-#ifndef MSG_LED_PRESET
-  #define MSG_LED_PRESET                      _UxGT("Preset ")
+#ifndef MSG_SET_LEDS_WHITE
+  #define MSG_SET_LEDS_WHITE                  _UxGT("Lights White")
 #endif
-#ifndef MSG_LED_DEFAULT
-  #define MSG_LED_DEFAULT                     _UxGT("Default ")
+#ifndef MSG_SET_LEDS_DEFAULT
+  #define MSG_SET_LEDS_DEFAULT                _UxGT("Lights Default")
 #endif
-#ifndef MSG_LIGHTS
-  #define MSG_LIGHTS                          _UxGT("Lights ")
+#ifndef MSG_CUSTOM_LEDS
+  #define MSG_CUSTOM_LEDS                     _UxGT("Custom Lights")
 #endif
-#ifndef MSG_COLOR
-  #define MSG_COLOR                           _UxGT("Color")
+#ifndef MSG_INTENSITY_R
+  #define MSG_INTENSITY_R                     _UxGT("Red Intensity")
 #endif
-#ifndef MSG_LED_INTENSITY
-  #define MSG_LED_INTENSITY                   _UxGT("Intensity ")
+#ifndef MSG_INTENSITY_G
+  #define MSG_INTENSITY_G                     _UxGT("Green Intensity")
 #endif
-#ifndef MSG_LED_CUSTOM
-  #define MSG_LED_CUSTOM                      _UxGT("Custom LED")
+#ifndef MSG_INTENSITY_B
+  #define MSG_INTENSITY_B                     _UxGT("Blue Intensity")
 #endif
-#ifndef MSG_LED_SAVE
-  #define MSG_LED_SAVE                        _UxGT("Save ")
+#ifndef MSG_INTENSITY_W
+  #define MSG_INTENSITY_W                     _UxGT("White Intensity")
 #endif
-#ifndef MSG_LED_LOAD
-  #define MSG_LED_LOAD                        _UxGT("Load ")
+#ifndef MSG_LED_BRIGHTNESS
+  #define MSG_LED_BRIGHTNESS                  _UxGT("Brightness")
 #endif
+
 #ifndef MSG_MOVING
   #define MSG_MOVING                          _UxGT("Moving...")
 #endif

Marlin/leds.cpp

+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * leds.cpp - Marlin RGB LED general support
+ */
+
+#include "MarlinConfig.h"
+
+#if HAS_COLOR_LEDS
+
+#include "leds.h"
+
+#if ENABLED(BLINKM)
+  #include "blinkm.h"
+#endif
+
+#if ENABLED(PCA9632)
+  #include "pca9632.h"
+#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
+  );
+#endif
+
+#if ENABLED(LED_CONTROL_MENU)
+  LEDColor LEDLights::color;
+  bool LEDLights::lights_on;
+#endif
+
+LEDLights leds;
+
+void LEDLights::setup() {
+  #if ENABLED(NEOPIXEL_LED)
+    setup_neopixel();
+  #endif
+  #if ENABLED(LED_USER_PRESET_STARTUP)
+    set_default();
+  #endif
+}
+
+void LEDLights::set_color(const LEDColor &incol
+  #if ENABLED(NEOPIXEL_LED)
+    , bool isSequence/*=false*/
+  #endif
+) {
+
+  #if ENABLED(NEOPIXEL_LED)
+
+    const uint32_t neocolor = pixels.Color(incol.r, incol.g, incol.b, incol.w);
+    static uint16_t nextLed = 0;
+
+    pixels.setBrightness(incol.i);
+    if (!isSequence)
+      set_neopixel_color(neocolor);
+    else {
+      pixels.setPixelColor(nextLed, neocolor);
+      pixels.show();
+      if (++nextLed >= pixels.numPixels()) nextLed = 0;
+      return;
+    }
+
+  #endif
+
+  #if ENABLED(BLINKM)
+
+    // This variant uses i2c to send the RGB components to the device.
+    blinkm_set_led_color(incol);
+
+  #endif
+
+  #if ENABLED(RGB_LED) || ENABLED(RGBW_LED)
+
+    // This variant uses 3-4 separate pins for the RGB(W) components.
+    // If the pins can do PWM then their intensity will be set.
+    WRITE(RGB_LED_R_PIN, incol.r ? HIGH : LOW);
+    WRITE(RGB_LED_G_PIN, incol.g ? HIGH : LOW);
+    WRITE(RGB_LED_B_PIN, incol.b ? HIGH : LOW);
+    analogWrite(RGB_LED_R_PIN, incol.r);
+    analogWrite(RGB_LED_G_PIN, incol.g);
+    analogWrite(RGB_LED_B_PIN, incol.b);
+
+    #if ENABLED(RGBW_LED)
+      WRITE(RGB_LED_W_PIN, incol.w ? HIGH : LOW);
+      analogWrite(RGB_LED_W_PIN, incol.w);
+    #endif
+
+  #endif
+
+  #if ENABLED(PCA9632)
+    // Update I2C LED driver
+    pca9632_set_led_color(incol);
+  #endif
+
+  #if ENABLED(LED_CONTROL_MENU)
+    // Don't update the color when OFF
+    lights_on = !incol.is_off();
+    if (lights_on) color = incol;
+  #endif
+}
+
+void LEDLights::set_white() {
+  #if ENABLED(RGB_LED) || ENABLED(RGBW_LED) || ENABLED(BLINKM) || ENABLED(PCA9632)
+    set_color(LEDColorWhite());
+  #endif
+  #if ENABLED(NEOPIXEL_LED)
+    set_neopixel_color(pixels.Color(NEO_WHITE));
+  #endif
+}
+
+#if ENABLED(LED_CONTROL_MENU)
+  void LEDLights::toggle() { if (lights_on) set_off(); else update(); }
+#endif
+
+#endif // HAS_COLOR_LEDS

Marlin/leds.h

+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * leds.h - Marlin general RGB LED support
+ */
+
+#ifndef __LEDS_H__
+#define __LEDS_H__
+
+#include "MarlinConfig.h"
+
+#if ENABLED(NEOPIXEL_LED)
+  #include "neopixel.h"
+#endif
+
+#define HAS_WHITE_LED (ENABLED(RGBW_LED) || ENABLED(NEOPIXEL_LED))
+
+/**
+ * LEDcolor type for use with leds.set_color
+ */
+typedef struct LEDColor {
+  uint8_t r, g, b
+    #if HAS_WHITE_LED
+      , w
+      #if ENABLED(NEOPIXEL_LED)
+        , i
+      #endif
+    #endif
+  ;
+  LEDColor() : r(255), g(255), b(255)
+    #if HAS_WHITE_LED
+      , w(255)
+      #if ENABLED(NEOPIXEL_LED)
+        , i(NEOPIXEL_BRIGHTNESS)
+      #endif
+    #endif
+  {}
+  LEDColor(uint8_t r, uint8_t g, uint8_t b
+    #if HAS_WHITE_LED
+      , uint8_t w=0
+      #if ENABLED(NEOPIXEL_LED)
+        , uint8_t i=NEOPIXEL_BRIGHTNESS
+      #endif
+    #endif
+    ) : r(r), g(g), b(b)
+    #if HAS_WHITE_LED
+      , w(w)
+      #if ENABLED(NEOPIXEL_LED)
+        , i(i)
+      #endif
+    #endif
+  {}
+  LEDColor& operator=(const LEDColor &right) {
+    if (this != &right) memcpy(this, &right, sizeof(LEDColor));
+    return *this;
+  }
+  bool operator==(const LEDColor &right) {
+    if (this == &right) return true;
+    return 0 == memcmp(this, &right, sizeof(LEDColor));
+  }
+  bool operator!=(const LEDColor &right) { return !operator==(right); }
+  bool is_off() const {
+    return 3 > r + g + b
+      #if HAS_WHITE_LED
+        + w
+      #endif
+    ;
+  }
+} LEDColor;
+
+/**
+ * Color helpers and presets
+ */
+#if HAS_WHITE_LED
+  #define LEDColorWhite() LEDColor(0, 0, 0, 255)
+  #if ENABLED(NEOPIXEL_LED)
+    #define MakeLEDColor(R,G,B,W,I) LEDColor(R, G, B, W, I)
+  #else
+    #define MakeLEDColor(R,G,B,W,I) LEDColor(R, G, B, W)
+  #endif
+#else
+  #define MakeLEDColor(R,G,B,W,I) LEDColor(R, G, B)
+  #define LEDColorWhite() LEDColor(255, 255, 255)
+#endif
+#define LEDColorOff()     LEDColor(  0,   0,   0)
+#define LEDColorRed()     LEDColor(255,   0,   0)
+#define LEDColorOrange()  LEDColor(255,  80,   0)
+#define LEDColorYellow()  LEDColor(255, 255,   0)
+#define LEDColorGreen()   LEDColor(  0, 255,   0)
+#define LEDColorBlue()    LEDColor(  0,   0, 255)
+#define LEDColorIndigo()  LEDColor(  0, 255, 255)
+#define LEDColorViolet()  LEDColor(255,   0, 255)
+
+class LEDLights {
+public:
+  LEDLights() {} // ctor
+
+  static void setup(); // init()
+
+  static void set_color(const LEDColor &color
+    #if ENABLED(NEOPIXEL_LED)
+      , bool isSequence=false
+    #endif
+  );
+
+  FORCE_INLINE void set_color(uint8_t r, uint8_t g, uint8_t b
+    #if HAS_WHITE_LED
+      , uint8_t w=0
+      #if ENABLED(NEOPIXEL_LED)
+        , uint8_t i=NEOPIXEL_BRIGHTNESS
+      #endif
+    #endif
+    #if ENABLED(NEOPIXEL_LED)
+      , bool isSequence=false
+    #endif
+  ) {
+    set_color(MakeLEDColor(r, g, b, w, i)
+      #if ENABLED(NEOPIXEL_LED)
+        , isSequence
+      #endif
+    );
+  }
+
+  static void set_white();
+  FORCE_INLINE static void set_off()   { set_color(LEDColorOff()); }
+  FORCE_INLINE static void set_green() { set_color(LEDColorGreen()); }
+
+  #if ENABLED(LED_COLOR_PRESETS)
+    static const LEDColor defaultLEDColor;
+    FORCE_INLINE static void set_default()  { set_color(defaultLEDColor); }
+    FORCE_INLINE static void set_red()      { set_color(LEDColorRed()); }
+    FORCE_INLINE static void set_orange()   { set_color(LEDColorOrange()); }
+    FORCE_INLINE static void set_yellow()   { set_color(LEDColorYellow()); }
+    FORCE_INLINE static void set_blue()     { set_color(LEDColorBlue()); }
+    FORCE_INLINE static void set_indigo()   { set_color(LEDColorIndigo()); }
+    FORCE_INLINE static void set_violet()   { set_color(LEDColorViolet()); }
+  #endif
+
+  #if ENABLED(LED_CONTROL_MENU)
+    static LEDColor color; // last non-off color
+    static bool lights_on; // the last set color was "on"
+    static void toggle();  // swap "off" with color
+    FORCE_INLINE static void update() { set_color(color); }
+  #endif
+};
+
+extern LEDLights leds;
+
+#endif // __LEDS_H__

Marlin/neopixel.cpp

+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * neopixel.cpp
+ */
+
+#include "MarlinConfig.h"
+
+#if ENABLED(NEOPIXEL_LED)
+
+#include "neopixel.h"
+
+Adafruit_NeoPixel pixels(NEOPIXEL_PIXELS, NEOPIXEL_PIN, NEOPIXEL_TYPE + NEO_KHZ800);
+
+void set_neopixel_color(const uint32_t color) {
+  for (uint16_t i = 0; i < pixels.numPixels(); ++i)
+    pixels.setPixelColor(i, color);
+  pixels.show();
+}
+
+void setup_neopixel() {
+  SET_OUTPUT(NEOPIXEL_PIN);
+  pixels.setBrightness(NEOPIXEL_BRIGHTNESS); // 0 - 255 range
+  pixels.begin();
+  pixels.show(); // initialize to all off
+
+  #if ENABLED(NEOPIXEL_STARTUP_TEST)
+    safe_delay(1000);
+    set_neopixel_color(pixels.Color(255, 0, 0, 0));  // red
+    safe_delay(1000);
+    set_neopixel_color(pixels.Color(0, 255, 0, 0));  // green
+    safe_delay(1000);
+    set_neopixel_color(pixels.Color(0, 0, 255, 0));  // blue
+    safe_delay(1000);
+  #endif
+  set_neopixel_color(pixels.Color(NEO_WHITE));       // white
+}
+
+#endif // NEOPIXEL_LED
+

Marlin/neopixel.h

+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * neopixel.h
+ */
+
+#include "MarlinConfig.h"
+
+#define NEOPIXEL_IS_RGB  (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 NEOPIXEL_IS_RGBW !NEOPIXEL_IS_RGB
+
+#if NEOPIXEL_IS_RGB
+  #define NEO_WHITE 255, 255, 255, 0
+#else
+  #define NEO_WHITE 0, 0, 0, 255
+#endif
+
+#include <Adafruit_NeoPixel.h>
+#include <stdint.h>
+
+void setup_neopixel();
+void set_neopixel_color(const uint32_t color);
+
+extern Adafruit_NeoPixel pixels;

Marlin/pca9632.cpp

  *
  */
 
-/*
+/**
  * Driver for the Philips PCA9632 LED driver.
  * Written by Robert Mendon Feb 2017.
  */
 #if ENABLED(PCA9632)
 
 #include "pca9632.h"
+#include "leds.h"
+#include <Wire.h>
 
 #define PCA9632_MODE1_VALUE   0b00000001 //(ALLCALL)
 #define PCA9632_MODE2_VALUE   0b00010101 //(DIMMING, INVERT, CHANGE ON STOP,TOTEM)
 #define PCA9632_LEDOUT_VALUE  0b00101010
 
-
 /* Register addresses */
 #define PCA9632_MODE1       0x00
 #define PCA9632_MODE2       0x01
   }
 #endif
 
-void PCA9632_SetColor(const byte r, const byte g, const byte b) {
+void pca9632_set_led_color(const LEDColor &color) {
   if (!PCA_init) {
     PCA_init = 1;
     Wire.begin();
     PCA9632_WriteRegister(PCA9632_ADDRESS,PCA9632_MODE2, PCA9632_MODE2_VALUE);
   }
 
-  const byte LEDOUT = (r ? LED_PWM << PCA9632_RED : 0)
-                    | (g ? LED_PWM << PCA9632_GRN : 0)
-                    | (b ? LED_PWM << PCA9632_BLU : 0);
+  const byte LEDOUT = (color.r ? LED_PWM << PCA9632_RED : 0)
+                    | (color.g ? LED_PWM << PCA9632_GRN : 0)
+                    | (color.b ? LED_PWM << PCA9632_BLU : 0);
 
-  PCA9632_WriteAllRegisters(PCA9632_ADDRESS,PCA9632_PWM0, r, g, b);
+  PCA9632_WriteAllRegisters(PCA9632_ADDRESS,PCA9632_PWM0, color.r, color.g, color.b);
   PCA9632_WriteRegister(PCA9632_ADDRESS,PCA9632_LEDOUT, LEDOUT);
 }
 

Marlin/pca9632.h

  *
  */
 
-/*
+/**
  * Driver for the Philips PCA9632 LED driver.
  * Written by Robert Mendon Feb 2017.
  */
 #ifndef __PCA9632_H__
 #define __PCA9632_H__
 
-#include "Arduino.h"
-#include "Wire.h"
+struct LEDColor;
+typedef LEDColor LEDColor;
 
-void PCA9632_SetColor(const byte r, const byte g, const byte  b);
+void pca9632_set_led_color(const LEDColor &color);
 
 #endif // __PCA9632_H__

Marlin/ultralcd.cpp

   #endif // LCD_INFO_MENU
 
   #if ENABLED(LED_CONTROL_MENU)
-    extern void set_led_color(
-             const uint8_t r, const uint8_t g, const uint8_t b
-               #if ENABLED(RGBW_LED) || ENABLED(NEOPIXEL_LED)
-                 , const uint8_t w = 0
-                 #if ENABLED(NEOPIXEL_LED)
-                   , const uint8_t p = NEOPIXEL_BRIGHTNESS
-                   , bool isSequence = false
-                 #endif
-               #endif
-           );
-
-    extern void set_led_white();
+    #include "leds.h"
     void lcd_led_menu();
-    void lcd_led_custom_menu();
   #endif
 
   #if ENABLED(ADVANCED_PAUSE_FEATURE)
     #endif
 
     #if ENABLED(LED_CONTROL_MENU)
-      MENU_ITEM(submenu, "LED Control", lcd_led_menu);
+      MENU_ITEM(submenu, MSG_LED_CONTROL, lcd_led_menu);
     #endif
 
     END_MENU();
 
   #if ENABLED(LED_CONTROL_MENU)
 
-    bool led_restore_color =
-      #if ENABLED(LED_USER_PRESET_STARTUP)
-        false;
-      #else
-        true;
-      #endif
+    #if ENABLED(LED_COLOR_PRESETS)
 
-    extern uint8_t led_intensity_red,
-           led_intensity_green,
-           led_intensity_blue
-           #if ENABLED(RGBW_LED) || ENABLED(NEOPIXEL_LED)
-             , led_intensity_white
-           #endif
-           #if ENABLED(NEOPIXEL_LED)
-             , led_intensity
-           #endif
-           ;
-
-    void update_leds() {
-      if (led_restore_color) {
-        #if ENABLED(LED_COLOR_PRESETS)
-          led_intensity_red = LED_USER_PRESET_RED;
-          led_intensity_green = LED_USER_PRESET_GREEN;
-          led_intensity_blue = LED_USER_PRESET_BLUE;
-          #if ENABLED(RGBW_LED)
-            led_intensity_white = LED_USER_PRESET_WHITE;
-          #endif
-          #if ENABLED(NEOPIXEL_LED)
-            led_intensity = LED_USER_PRESET_INTENSITY;
-          #endif
-        #else
-          led_intensity_red = 255;
-          led_intensity_green = 255;
-          led_intensity_blue = 255;
-          #if ENABLED(RGBW_LED)
-            led_intensity_white = 0;
-          #endif
-          #if ENABLED(NEOPIXEL_LED)
-            led_intensity = LED_USER_PRESET_INTENSITY;
-          #endif
+      void lcd_led_presets_menu() {
+        START_MENU();
+        #if LCD_HEIGHT > 2
+          STATIC_ITEM(MSG_LED_PRESETS, true, true);
         #endif
-        led_restore_color = false;
+        MENU_BACK(MSG_LED_CONTROL);
+        MENU_ITEM(function, MSG_SET_LEDS_WHITE, leds.set_white);
+        MENU_ITEM(function, MSG_SET_LEDS_RED, leds.set_red);
+        MENU_ITEM(function, MSG_SET_LEDS_ORANGE, leds.set_orange);
+        MENU_ITEM(function, MSG_SET_LEDS_YELLOW,leds.set_yellow);
+        MENU_ITEM(function, MSG_SET_LEDS_GREEN, leds.set_green);
+        MENU_ITEM(function, MSG_SET_LEDS_BLUE, leds.set_blue);
+        MENU_ITEM(function, MSG_SET_LEDS_INDIGO, leds.set_indigo);
+        MENU_ITEM(function, MSG_SET_LEDS_VIOLET, leds.set_violet);
+        END_MENU();
       }
-
-      set_led_color(led_intensity_red, led_intensity_green, led_intensity_blue
-        #if ENABLED(RGBW_LED)
-          , led_intensity_white
-        #endif
-        #if ENABLED(NEOPIXEL_LED)
-          , 0, led_intensity
-        #endif
-        );
-      led_restore_color = false;
-    }
-
-    void led_restore_default() {
-      led_restore_color = true;
-      update_leds();
-    }
-
-    void set_leds_off() {
-      set_led_color(0, 0, 0
-        #if ENABLED(RGBW) || ENABLED(NEOPIXEL_LED)
-        , 0
-        #endif
-        );
-    }
-
-    void lcd_led_red()    { set_led_color(255, 0, 0); }
-    void lcd_led_orange() { set_led_color(150, 60, 0); }
-    void lcd_led_yellow() { set_led_color(255, 255, 0); }
-    void lcd_led_green()  { set_led_color(0, 255, 0); }
-    void lcd_led_blue()   { set_led_color(0, 0, 255); }
-    void lcd_led_purple() { set_led_color(255, 0, 255); }
-
-    void lcd_led_presets_menu() {
-      START_MENU();
-      MENU_BACK(MSG_LED_CONTROL);
-      MENU_ITEM(function, MSG_LED_ON MSG_RED MSG_LIGHTS, lcd_led_red);
-      MENU_ITEM(function, MSG_LED_ON MSG_ORANGE MSG_LIGHTS, lcd_led_orange);
-      MENU_ITEM(function, MSG_LED_ON MSG_YELLOW MSG_LIGHTS,lcd_led_yellow);
-      MENU_ITEM(function, MSG_LED_ON MSG_GREEN MSG_LIGHTS, lcd_led_green);
-      MENU_ITEM(function, MSG_LED_ON MSG_BLUE MSG_LIGHTS, lcd_led_blue);
-      MENU_ITEM(function, MSG_LED_ON MSG_PURPLE MSG_LIGHTS, lcd_led_purple);
-      MENU_ITEM(function, MSG_LED_ON MSG_WHITE MSG_LIGHTS, set_led_white);
-      END_MENU();
-    }
+    #endif // LED_COLOR_PRESETS
 
     void lcd_led_custom_menu() {
       START_MENU();
       MENU_BACK(MSG_LED_CONTROL);
-      MENU_ITEM_EDIT_CALLBACK(int8, MSG_RED MSG_LED_INTENSITY, &led_intensity_red, 0, 255, update_leds, true);
-      MENU_ITEM_EDIT_CALLBACK(int8, MSG_GREEN MSG_LED_INTENSITY, &led_intensity_green, 0, 255, update_leds, true);
-      MENU_ITEM_EDIT_CALLBACK(int8, MSG_BLUE MSG_LED_INTENSITY, &led_intensity_blue, 0, 255, update_leds, true);
+      MENU_ITEM_EDIT_CALLBACK(int8, MSG_INTENSITY_R, &leds.color.r, 0, 255, leds.update, true);
+      MENU_ITEM_EDIT_CALLBACK(int8, MSG_INTENSITY_G, &leds.color.g, 0, 255, leds.update, true);
+      MENU_ITEM_EDIT_CALLBACK(int8, MSG_INTENSITY_B, &leds.color.b, 0, 255, leds.update, true);
       #if ENABLED(RGBW_LED) || ENABLED(NEOPIXEL_LED)
-        MENU_ITEM_EDIT_CALLBACK(int8, MSG_WHITE MSG_LED_INTENSITY, &led_intensity_white, 0, 255, update_leds, true);
-      #endif
-      #if ENABLED(NEOPIXEL_LED)
-        MENU_ITEM_EDIT_CALLBACK(int8, MSG_LED_INTENSITY, &led_intensity, 0, 255, update_leds, true);
+        MENU_ITEM_EDIT_CALLBACK(int8, MSG_INTENSITY_W, &leds.color.w, 0, 255, leds.update, true);
+        #if ENABLED(NEOPIXEL_LED)
+          MENU_ITEM_EDIT_CALLBACK(int8, MSG_LED_BRIGHTNESS, &leds.color.i, 0, 255, leds.update, true);
+        #endif
       #endif
       END_MENU();
     }
     void lcd_led_menu() {
       START_MENU();
       MENU_BACK(MSG_MAIN);
-      MENU_ITEM(function, MSG_LIGHTS MSG_OFF, set_leds_off); // works
-      MENU_ITEM(function, MSG_LIGHTS MSG_ON, update_leds); // works
-      MENU_ITEM(function, MSG_LED_LOAD MSG_LED_DEFAULT MSG_COLOR, led_restore_default); // works
+      if (leds.lights_on)
+        MENU_ITEM(function, MSG_LEDS_OFF, leds.toggle);
+      else
+        MENU_ITEM(function, MSG_LEDS_ON, leds.toggle);
+      MENU_ITEM(function, MSG_SET_LEDS_DEFAULT, leds.set_default);
       #if ENABLED(LED_COLOR_PRESETS)
-        MENU_ITEM(submenu, MSG_LED_PRESET MSG_LIGHTS, lcd_led_presets_menu);
+        MENU_ITEM(submenu, MSG_LED_PRESETS, lcd_led_presets_menu);
       #endif
-      MENU_ITEM(submenu, MSG_CUSTOM MSG_LIGHTS, lcd_led_custom_menu);
+      MENU_ITEM(submenu, MSG_CUSTOM_LEDS, lcd_led_custom_menu);
       END_MENU();
     }