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

wled00/fcn_declare.h

@@ -226,7 +226,7 @@ void _overlayAnalogClock();
 void shufflePlaylist();
 void unloadPlaylist();
 int16_t loadPlaylist(JsonObject playlistObject, byte presetId = 0);
-void handlePlaylist();
+void handlePlaylist(bool skipNext=false);
 void serializePlaylist(JsonObject obj);
 
 //presets.cpp

wled00/json.cpp

@@ -486,7 +486,11 @@ bool deserializeState(JsonObject root, byte callMode, byte presetId)
       strip.loadCustomPalettes();
     }
   }
-
+
+  if (root.containsKey(F("np")) && root[F("np")].as<bool>()) { //skip to next preset in a playlist
+    handlePlaylist(true);
+  }
+
   JsonObject wifi = root[F("wifi")];
   if (!wifi.isNull()) {
     bool apMode = getBoolVal(wifi[F("ap")], apActive);

wled00/playlist.cpp

@@ -123,11 +123,11 @@ int16_t loadPlaylist(JsonObject playlistObj, byte presetId) {
 }
 
 
-void handlePlaylist() {
+void handlePlaylist(bool skipNext) {
   static unsigned long presetCycledTime = 0;
   if (currentPlaylist < 0 || playlistEntries == nullptr) return;
 
-  if (millis() - presetCycledTime > (100*playlistEntryDur)) {
+if (millis() - presetCycledTime > (100 * playlistEntryDur) || skipNext) {
     presetCycledTime = millis();
     if (bri == 0 || nightlightActive) return;
 

wled00/set.cpp

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