Various fixes

Fixed ESP32 crash on Colortwinkles brightness change
Fixed setting picker to black resetting hue and saturation
Fixed auto white mode not saved to config

CHANGELOG.md

@@ -2,6 +2,12 @@
 
 ### Builds after release 0.12.0
 
+#### Build 2112030
+
+-		Fixed ESP32 crash on Colortwinkles brightness change
+-		Fixed setting picker to black resetting hue and saturation
+-		Fixed auto white mode not saved to config
+
 #### Build 2111300
 
 -		Added CCT and white balance correction support (PR #2285)

wled00/FX_fcn.cpp

@@ -444,14 +444,14 @@ void WS2812FX::setBrightness(uint8_t b) {
   if (gammaCorrectBri) b = gamma8(b);
   if (_brightness == b) return;
   _brightness = b;
-  _segment_index = 0;
   if (_brightness == 0) { //unfreeze all segments on power off
     for (uint8_t i = 0; i < MAX_NUM_SEGMENTS; i++)
     {
       _segments[i].setOption(SEG_OPTION_FREEZE, false);
     }
   }
-  if (SEGENV.next_time > millis() + 22 && millis() - _lastShow > MIN_SHOW_DELAY) show();//apply brightness change immediately if no refresh soon
+	unsigned long t = millis();
+  if (_segment_runtimes[0].next_time > t + 22 && t - _lastShow > MIN_SHOW_DELAY) show(); //apply brightness change immediately if no refresh soon
 }
 
 uint8_t WS2812FX::getMode(void) {
@@ -703,14 +703,35 @@ bool WS2812FX::checkSegmentAlignment() {
 }
 
 //After this function is called, setPixelColor() will use that segment (offsets, grouping, ... will apply)
+//Note: If called in an interrupt (e.g. JSON API), it must be reset with "setPixelColor(255)",
+//otherwise it can lead to a crash on ESP32 because _segment_index is modified while in use by the main thread
+#ifdef ARDUINO_ARCH_ESP32
+uint8_t _segment_index_prev = 0;
+uint16_t _virtualSegmentLength_prev = 0;
+bool _ps_set = false;
+#endif
+
 void WS2812FX::setPixelSegment(uint8_t n)
 {
   if (n < MAX_NUM_SEGMENTS) {
+		#ifdef ARDUINO_ARCH_ESP32
+		if (!_ps_set) {
+			_segment_index_prev = _segment_index;
+			_virtualSegmentLength_prev = _virtualSegmentLength;
+			_ps_set = true;
+		}
+		#endif
     _segment_index = n;
-    _virtualSegmentLength = SEGMENT.length();
+    _virtualSegmentLength = SEGMENT.virtualLength();
   } else {
-    _segment_index = 0;
 		_virtualSegmentLength = 0;
+		#ifdef ARDUINO_ARCH_ESP32
+		if (_ps_set) {
+			_segment_index = _segment_index_prev;
+			_virtualSegmentLength = _virtualSegmentLength_prev;
+			_ps_set = false;
+		}
+		#endif
   }
 }
 
@@ -740,10 +761,10 @@ void WS2812FX::setTransitionMode(bool t)
 	unsigned long waitMax = millis() + 20; //refresh after 20 ms if transition enabled
   for (uint16_t i = 0; i < MAX_NUM_SEGMENTS; i++)
   {
-    _segment_index = i;
+    _segments[i].setOption(SEG_OPTION_TRANSITIONAL, t);
-    SEGMENT.setOption(SEG_OPTION_TRANSITIONAL, t);
 
-    if (t && SEGMENT.mode == FX_MODE_STATIC && SEGENV.next_time > waitMax) SEGENV.next_time = waitMax;
+    if (t && _segments[i].mode == FX_MODE_STATIC && _segment_runtimes[i].next_time > waitMax)
+			_segment_runtimes[i].next_time = waitMax;
   }
 }
 

wled00/cfg.cpp

@@ -527,6 +527,7 @@ void serializeConfig() {
   hw_led["cct"] = correctWB;
   hw_led[F("cr")] = cctFromRgb;
 	hw_led[F("cb")] = strip.cctBlending;
+	hw_led[F("rgbwm")] = Bus::getAutoWhiteMode();
 
   JsonArray hw_led_ins = hw_led.createNestedArray("ins");
 
@@ -546,7 +547,6 @@ void serializeConfig() {
     ins["type"] = bus->getType() & 0x7F;
     ins["ref"] = bus->isOffRefreshRequired();
     ins[F("rgbw")] = bus->isRgbw();
-    ins[F("rgbwm")] = bus->getAutoWhiteMode();
   }
 
   // button(s)

wled00/data/index.js

@@ -1703,14 +1703,15 @@ function selectSlot(b) {
 	cd[csel].style.border="5px solid white";
 	cd[csel].style.margin="2px";
 	cd[csel].style.width="50px";
-	cpick.color.set(cd[csel].style.backgroundColor);
+	setPicker(cd[csel].style.backgroundColor);
 	//force slider update on initial load (picker "color:change" not fired if black)
-	if (cd[csel].style.backgroundColor == 'rgb(0, 0, 0)') updatePSliders();
+	if (cpick.color.value == 0) updatePSliders();
 	d.getElementById('sliderW').value = whites[csel];
 	updateTrail(d.getElementById('sliderW'));
 	redrawPalPrev();
 }
 
+//set the color from a hex string. Used by quick color selectors
 var lasth = 0;
 function pC(col)
 {
@@ -1723,7 +1724,7 @@ function pC(col)
 	} while (Math.abs(col.h - lasth) < 50);
 	lasth = col.h;
 	}
-	cpick.color.set(col);
+	setPicker(col);
 	setColor(0);
 }
 
@@ -1768,14 +1769,20 @@ function fromHex()
 	var str = d.getElementById('hexc').value;
 	whites[csel] = parseInt(str.substring(6), 16);
 	try {
-		cpick.color.set("#" + str.substring(0,6));
+		setPicker("#" + str.substring(0,6));
 	} catch (e) {
-		cpick.color.set("#ffaa00");
+		setPicker("#ffaa00");
 	}
 	if (isNaN(whites[csel])) whites[csel] = 0;
 	setColor(2);
 }
 
+function setPicker(rgb) {
+	var c = new iro.Color(rgb);
+	if (c.value > 0) cpick.color.set(c);
+	else cpick.color.setChannel('hsv', 'v', 0);
+}
+
 function fromV()
 {
 	cpick.color.setChannel('hsv', 'v', d.getElementById('sliderV').value);
@@ -1791,13 +1798,13 @@ function fromRgb()
 	var r = d.getElementById('sliderR').value;
 	var g = d.getElementById('sliderG').value;
 	var b = d.getElementById('sliderB').value;
-	cpick.color.set(`rgb(${r},${g},${b})`);
+	setPicker(`rgb(${r},${g},${b})`);
 }
 
 //sr 0: from RGB sliders, 1: from picker, 2: from hex
 function setColor(sr) {
 	var cd = d.getElementById('csl').children;
-	if (sr == 1 && cd[csel].style.backgroundColor == 'rgb(0, 0, 0)') cpick.color.setChannel('hsv', 'v', 100);
+	if (sr == 1 && cd[csel].style.backgroundColor == "rgb(0, 0, 0)") cpick.color.setChannel('hsv', 'v', 100);
 	cd[csel].style.backgroundColor = cpick.color.rgbString;
 	if (sr != 2) whites[csel] = parseInt(d.getElementById('sliderW').value);
 	var col = cpick.color.rgb;

wled00/wled.h

@@ -8,7 +8,7 @@
  */
 
 // version code in format yymmddb (b = daily build)
-#define VERSION 2112010
+#define VERSION 2112030
 
 //uncomment this if you have a "my_config.h" file you'd like to use
 //#define WLED_USE_MY_CONFIG