Improved ESP32 flickering some more

wled00/WS2812FX.cpp

@@ -2032,10 +2032,9 @@ void WS2812FX::setBrightness(uint8_t b)
 void WS2812FX::show()
 {
   #ifdef ARDUINO_ARCH_ESP32
-  portDISABLE_INTERRUPTS();
   delay(1);
+  portDISABLE_INTERRUPTS(); //this is a workaround to prevent flickering (see https://github.com/adafruit/Adafruit_NeoPixel/issues/139)
   NeoPixelBrightnessBus::Show();
-  delay(1);
   portENABLE_INTERRUPTS();
   #else
   NeoPixelBrightnessBus::Show();

wled00/wled00.ino

@@ -29,7 +29,7 @@
 #include "WS2812FX.h"
 
 //version in format yymmddb (b = daily build)
-#define VERSION 1801162
+#define VERSION 1801164
 const String versionName = "WLED 0.5dev";
 
 //AP and OTA default passwords (change them!)
@@ -326,7 +326,7 @@ void loop() {
     #ifdef USEOVERLAYS
       handleOverlays();
     #endif
-      strip.service();
+      if (bri_t) strip.service(); //do not update strip if off, prevents flicker on ESP32
     }
     
     //DEBUG