Adds an API parameter to allow the user to skip to the next preset in a playlist at any time

wled00/json.cpp

@@ -487,6 +487,8 @@ bool deserializeState(JsonObject root, byte callMode, byte presetId)
     }
   }
 
+  doAdvancePlaylist = root[F("np")].as<bool>() || doAdvancePlaylist; //advances to next preset in playlist when true
+
   JsonObject wifi = root[F("wifi")];
   if (!wifi.isNull()) {
     bool apMode = getBoolVal(wifi[F("ap")], apActive);

wled00/playlist.cpp

@@ -127,7 +127,7 @@ void handlePlaylist() {
   static unsigned long presetCycledTime = 0;
   if (currentPlaylist < 0 || playlistEntries == nullptr) return;
 
-  if (millis() - presetCycledTime > (100*playlistEntryDur)) {
+if (millis() - presetCycledTime > (100 * playlistEntryDur) || doAdvancePlaylist) {
     presetCycledTime = millis();
     if (bri == 0 || nightlightActive) return;
 
@@ -149,6 +149,7 @@ void handlePlaylist() {
     strip.setTransition(fadeTransition ? playlistEntries[playlistIndex].tr * 100 : 0);
     playlistEntryDur = playlistEntries[playlistIndex].dur;
     applyPresetFromPlaylist(playlistEntries[playlistIndex].preset);
+    doAdvancePlaylist = false;
   }
 }
 

wled00/set.cpp

@@ -901,6 +901,9 @@ bool handleSet(AsyncWebServerRequest *request, const String& req, bool apply)
     applyPreset(presetCycCurr);
   }
 
+  pos = req.indexOf(F("NP")); //advances to next preset in a playlist
+  if (pos > 0) doAdvancePlaylist = true;
+
   //set brightness
   updateVal(req.c_str(), "&A=", &bri);
 

wled00/wled.h

@@ -645,6 +645,7 @@ WLED_GLOBAL byte timerWeekday[]   _INIT_N(({ 255, 255, 255, 255, 255, 255, 255,
 WLED_GLOBAL byte timerMonth[]     _INIT_N(({28,28,28,28,28,28,28,28}));
 WLED_GLOBAL byte timerDay[]       _INIT_N(({1,1,1,1,1,1,1,1}));
 WLED_GLOBAL byte timerDayEnd[]		_INIT_N(({31,31,31,31,31,31,31,31}));
+WLED_GLOBAL bool doAdvancePlaylist _INIT(false);
 
 //improv
 WLED_GLOBAL byte improvActive _INIT(0); //0: no improv packet received, 1: improv active, 2: provisioning