Added RGBW support

ifdef-Option may be removed next commit since RGB strips seem to support RGBW protocol
HTMLs have no support yet
&W= works

wled00/WS2812FX.cpp

@@ -228,7 +228,6 @@ void WS2812FX::mode_static(void) {
     setPixelColor(i, _color);
   }
   show();
-
   _mode_delay = 25;
 }
 
@@ -1688,24 +1687,40 @@ void WS2812FX::setLedCount(uint16_t i)
 
 void WS2812FX::setPixelColor(uint16_t i, uint32_t c)
 {
+  #ifdef RGBW
+  NeoPixelBrightnessBus::SetPixelColor(i, RgbwColor((c>>16) & 0xFF, (c>>8) & 0xFF, (c) & 0xFF, (c>>24) & 0xFF));
+  #else
   NeoPixelBrightnessBus::SetPixelColor(i, RgbColor((c>>16) & 0xFF, (c>>8) & 0xFF, (c) & 0xFF));
+  #endif
 }
 
 void WS2812FX::setPixelColor(uint16_t i, uint8_t r, uint8_t g, uint8_t b, uint8_t w)
 {
   #ifdef RGBW
-  
+  NeoPixelBrightnessBus::SetPixelColor(i, RgbwColor(r,g,b,w));
+  #else
   NeoPixelBrightnessBus::SetPixelColor(i, RgbColor(r,g,b));
+  #endif
 }
 
 void WS2812FX::setPixelColor(uint16_t i, uint8_t r, uint8_t g, uint8_t b)
 {
+  #ifdef RGBW
+  NeoPixelBrightnessBus::SetPixelColor(i, RgbwColor(r,g,b,0));
+  #else
   NeoPixelBrightnessBus::SetPixelColor(i, RgbColor(r,g,b));
+  #endif
 }
 
 uint32_t WS2812FX::getPixelColor(uint16_t i)
 {
-  return NeoPixelBrightnessBus::GetPixelColor(i).R*65536 + NeoPixelBrightnessBus::GetPixelColor(i).G*256 + NeoPixelBrightnessBus::GetPixelColor(i).B;
+  #ifdef RGBW
+  RgbwColor lColor = NeoPixelBrightnessBus::GetPixelColor(i);
+  return lColor.W*16777216 + lColor.R*65536 + lColor.G*256 + lColor.B;
+  #else
+  RgbColor lColor = NeoPixelBrightnessBus::GetPixelColor(i);
+  return lColor.R*65536 + lColor.G*256 + lColor.B;
+  #endif
 }
 
 void WS2812FX::setBrightness(uint8_t b)
@@ -1722,7 +1737,11 @@ void WS2812FX::show()
 
 void WS2812FX::clear()
 {
+  #ifdef RGBW
+  NeoPixelBrightnessBus::ClearTo(RgbwColor(0));
+  #else
   NeoPixelBrightnessBus::ClearTo(RgbColor(0));
+  #endif
 }
 
 void WS2812FX::begin()

wled00/wled00.ino

@@ -20,7 +20,7 @@
 #include "CallbackFunction.h"
 
 //version in format yymmddb (b = daily build)
-#define VERSION 1709251
+#define VERSION 1710120
 
 //uncomment if you have an RGBW strip
 #define RGBW
@@ -115,14 +115,12 @@ boolean alexaNotify = false;
 
 double transitionResolution = 0.011;
 
-boolean rgbwEnabled = false;
-
 //Internal vars
 byte col[]{0, 0, 0};
 byte col_old[]{0, 0, 0};
 byte col_t[]{0, 0, 0};
 byte col_it[]{0, 0, 0};
-byte whiteVal;
+byte white, white_old, white_t, white_it;
 unsigned long transitionStartTime;
 unsigned long nightlightStartTime;
 float tper_last = 0;

wled00/wled01_eeprom.ino

@@ -102,7 +102,6 @@ void saveSettingsToEEPROM()
   EEPROM.write(369, turnOnAtBoot);
   EEPROM.write(370, useHSBDefault);
   EEPROM.write(371, white_s);
-  EEPROM.write(372, rgbwEnabled);
   EEPROM.commit();
 }
 
@@ -215,6 +214,5 @@ void loadSettingsFromEEPROM()
   turnOnAtBoot = EEPROM.read(369);
   useHSBDefault = EEPROM.read(370);
   white_s = EEPROM.read(371);
-  rgbwEnabled = EEPROM.read(372);
   useHSB = useHSBDefault;
 }

wled00/wled02_xml.ino

@@ -34,8 +34,11 @@ void XML_response()
    resp = resp + "</fx><sx>";
    resp = resp + effectSpeed;
    resp = resp + "</sx><wv>";
-   if (rgbwEnabled) {resp = resp + whiteVal;}
+   #ifdef RGBW
-   else {resp = resp + "-1";}
+   resp = resp + white;
+   #else
+   resp = resp + "-1";
+   #endif
    resp = resp + "</wv><md>";
    resp = resp + useHSB;
    resp = resp + "</md><desc>";
@@ -112,7 +115,9 @@ void XML_response_settings()
     resp = resp + col_s[i];
     resp = resp + "</cldef>";
   }
-  resp = resp + "<cldfa>";
+  resp = resp + "<cldfw>";
+  resp = resp + white_s;
+  resp = resp + "</cldfw><cldfa>";
   resp = resp + bri_s;
   resp = resp + "</cldfa>";
   resp = resp + "<bootn>";

wled00/wled03_set.ino

@@ -130,6 +130,11 @@ void handleSettingsSet()
       int i = server.arg("CLDFB").toInt();
       if (i >= 0 && i <= 255) col_s[2] = i;
     }
+    if (server.hasArg("CLDFW"))
+    {
+      int i = server.arg("CLDFW").toInt();
+      if (i >= 0 && i <= 255) white_s = i;
+    }
     if (server.hasArg("CLDFA"))
     {
       int i = server.arg("CLDFA").toInt();
@@ -248,6 +253,10 @@ boolean handleSet(String req)
    if (pos > 0) {
       col[2] = req.substring(pos + 2).toInt();
    }
+   pos = req.indexOf("W=");
+   if (pos > 0) {
+      white = req.substring(pos + 2).toInt();
+   }
    pos = req.indexOf("FX=");
    if (pos > 0) {
       if (effectCurrent != req.substring(pos + 3).toInt())

wled00/wled07_notify.ino

@@ -25,7 +25,7 @@ void notify(uint8_t callMode)
   udpOut[7] = nightlightDelayMins;
   udpOut[8] = effectCurrent;
   udpOut[9] = effectSpeed;
-  udpOut[10] = whiteVal;
+  udpOut[10] = white;
   
   IPAddress broadcastIp;
   broadcastIp = ~WiFi.subnetMask() | WiFi.gatewayIP();
@@ -47,7 +47,7 @@ void handleNotifications()
         col[0] = udpIn[3];
         col[1] = udpIn[4];
         col[2] = udpIn[5];
-        whiteVal = udpIn[10];
+        white = udpIn[10];
         if (udpIn[8] != effectCurrent)
         {
           effectCurrent = udpIn[8];

wled00/wled08_led.ino

@@ -12,12 +12,21 @@ void setAllLeds() {
   } else {
     strip.setBrightness(val);
   }
+  #ifdef RGBW
+  if (useGammaCorrectionRGB)
+  {
+    strip.setColor(gamma8[col_t[0]], gamma8[col_t[1]], gamma8[col_t[2]], gamma8[white_t]);
+  } else {
+    strip.setColor(col_t[0], col_t[1], col_t[2], white_t);
+  }
+  #else
   if (useGammaCorrectionRGB)
   {
     strip.setColor(gamma8[col_t[0]], gamma8[col_t[1]], gamma8[col_t[2]]);
   } else {
     strip.setColor(col_t[0], col_t[1], col_t[2]);
   }
+  #endif
 }
 
 void setLedsStandard()
@@ -25,10 +34,12 @@ void setLedsStandard()
   col_old[0] = col[0];
   col_old[1] = col[1];
   col_old[2] = col[2];
+  white_old = white;
   bri_old = bri;
   col_t[0] = col[0];
   col_t[1] = col[1];
   col_t[2] = col[2];
+  white_t = white;
   bri_t = bri;
   setAllLeds();
 }
@@ -36,7 +47,7 @@ void setLedsStandard()
 void colorUpdated(int callMode)
 {
   //call for notifier -> 0: init 1: direct change 2: button 3: notification 4: nightlight 5: other (no not.) (NN)6: fx changed
-  if (col[0] == col_it[0] && col[1] == col_it[1] && col[2] == col_it[2] && bri == bri_it)
+  if (col[0] == col_it[0] && col[1] == col_it[1] && col[2] == col_it[2] && white == white_it && bri == bri_it)
   {
     if (callMode == 6) notify(6);
     return; //no change
@@ -50,6 +61,7 @@ void colorUpdated(int callMode)
   col_it[0] = col[0];
   col_it[1] = col[1];
   col_it[2] = col[2];
+  white_it = white;
   bri_it = bri;
   if (bri > 0) bri_last = bri;
   notify(callMode);
@@ -60,6 +72,7 @@ void colorUpdated(int callMode)
       col_old[0] = col_t[0];
       col_old[1] = col_t[1];
       col_old[2] = col_t[2];
+      white_old = white_t;
       bri_old = bri_t;
       tper_last = 0;
     }
@@ -93,7 +106,8 @@ void handleTransitions()
       col_t[0] = col_old[0]+((col[0] - col_old[0])*tper);
       col_t[1] = col_old[1]+((col[1] - col_old[1])*tper);
       col_t[2] = col_old[2]+((col[2] - col_old[2])*tper);
-      bri_t = bri_old+((bri - bri_old)*tper);
+      white_t  = white_old +((white  - white_old )*tper);
+      bri_t    = bri_old   +((bri    - bri_old   )*tper);
     }
     setAllLeds();
   }