minor improvements from upstream

* add checkSettingsPIN() and get_random_wheel_index() functions
* add on/off state to UDP data
* small robustness improvements

wled00/fcn_declare.h

@@ -370,9 +370,11 @@ void releaseJSONBufferLock();
 uint8_t extractModeName(uint8_t mode, const char *src, char *dest, uint8_t maxLen);
 uint8_t extractModeSlider(uint8_t mode, uint8_t slider, char *dest, uint8_t maxLen, uint8_t *var = nullptr);
 int16_t extractModeDefaults(uint8_t mode, const char *segVar);
+void checkSettingsPIN(const char *pin);
 uint16_t  __attribute__((pure)) crc16(const unsigned char* data_p, size_t length);   // WLEDMM: added attribute pure
 um_data_t* simulateSound(uint8_t simulationId);
 // WLEDMM enumerateLedmaps(); moved to FX.h
+uint8_t get_random_wheel_index(uint8_t pos);
 CRGB getCRGBForBand(int x, uint8_t *fftResult, int pal); //WLEDMM netmindz ar palette
 char *cleanUpName(char *in); // to clean up a name that was read from file
 

wled00/led.cpp

@@ -105,6 +105,7 @@ void stateUpdated(byte callMode) {
     if (stateChanged) currentPreset = 0; //something changed, so we are no longer in the preset
 
     if (callMode != CALL_MODE_NOTIFICATION && callMode != CALL_MODE_NO_NOTIFY) notify(callMode);
+    if (bri != briOld && nodeBroadcastEnabled) sendSysInfoUDP(); // update on state
 
     //set flag to update ws and mqtt
     interfaceUpdateCallMode = callMode;
@@ -193,12 +194,15 @@ void handleTransitions()
     if (tper >= 1.0f)
     {
       strip.setTransitionMode(false);
+      // restore (global) transition time if not called from UDP notifier or single/temporary transition from JSON (also playlist)
+      if (jsonTransitionOnce) strip.setTransition(transitionDelay);
       transitionActive = false;
+      jsonTransitionOnce = false;
       tperLast = 0;
       applyFinalBri();
       return;
     }
-    if (tper - tperLast < 0.004) return;
+    if (tper - tperLast < 0.004f) return;
     tperLast = tper;
     briT = briOld + ((bri - briOld) * tper);
 
@@ -208,7 +212,7 @@ void handleTransitions()
 
 
 // legacy method, applies values from col, effectCurrent, ... to selected segments
-void colorUpdated(byte callMode){
+void colorUpdated(byte callMode) {
   applyValuesToSelectedSegs();
   stateUpdated(callMode);
 }

wled00/udp.cpp

@@ -712,6 +712,7 @@ void sendSysInfoUDP()
   #else
   data[38] = NODE_TYPE_ID_UNDEFINED;
   #endif
+  if (bri) data[38] |= 0x80U;  // add on/off state
   data[39] = ip[3]; // unit ID == last IP number
 
   uint32_t build = VERSION;

wled00/util.cpp

@@ -204,7 +204,7 @@ bool requestJSONBufferLock(uint8_t module)
 {
   unsigned long now = millis();
 
-  while (jsonBufferLock && millis()-now < 1200) delay(1); // wait for fraction for buffer lock
+  while (jsonBufferLock && millis()-now < 1100) delay(1); // wait for fraction for buffer lock
 
   if (jsonBufferLock) {
     USER_PRINT(F("ERROR: Locking JSON buffer failed! (still locked by "));
@@ -239,9 +239,10 @@ uint8_t extractModeName(uint8_t mode, const char *src, char *dest, uint8_t maxLe
 {
   if (src == JSON_mode_names || src == nullptr) {
     if (mode < strip.getModeCount()) {
-      char lineBuffer[256];
+      char lineBuffer[256] = { '\0' };
       //strcpy_P(lineBuffer, (const char*)pgm_read_dword(&(WS2812FX::_modeData[mode])));
-      strcpy_P(lineBuffer, strip.getModeData(mode));
+      strncpy_P(lineBuffer, strip.getModeData(mode), sizeof(lineBuffer)/sizeof(char)-1);
+      lineBuffer[sizeof(lineBuffer)/sizeof(char)-1] = '\0'; // terminate string
       size_t len = strlen(lineBuffer);
       size_t j = 0;
       for (; j < maxLen && j < len; j++) {
@@ -253,6 +254,12 @@ uint8_t extractModeName(uint8_t mode, const char *src, char *dest, uint8_t maxLe
     } else return 0;
   }
 
+  if (src == JSON_palette_names && mode > GRADIENT_PALETTE_COUNT) {
+    snprintf_P(dest, maxLen, PSTR("~ Custom %d~"), 255-mode);
+    dest[maxLen-1] = '\0';
+    return strlen(dest);
+  }
+
   uint8_t qComma = 0;
   bool insideQuotes = false;
   uint8_t printedChars = 0;
@@ -363,9 +370,9 @@ uint8_t extractModeSlider(uint8_t mode, uint8_t slider, char *dest, uint8_t maxL
 int16_t extractModeDefaults(uint8_t mode, const char *segVar)
 {
   if (mode < strip.getModeCount()) {
-    char lineBuffer[128] = "";
-    strncpy_P(lineBuffer, strip.getModeData(mode), 127);
-    lineBuffer[127] = '\0'; // terminate string
+    char lineBuffer[256] = { '\0' };
+    strncpy_P(lineBuffer, strip.getModeData(mode), sizeof(lineBuffer)/sizeof(char)-1);
+    lineBuffer[sizeof(lineBuffer)/sizeof(char)-1] = '\0'; // terminate string
     if (lineBuffer[0] != 0) {
       char* startPtr = strrchr(lineBuffer, ';'); // last ";" in FX data
       if (!startPtr) return -1;
@@ -381,6 +388,16 @@ int16_t extractModeDefaults(uint8_t mode, const char *segVar)
 }
 
 
+void checkSettingsPIN(const char* pin) {
+  if (!pin) return;
+  if (!correctPIN && millis() - lastEditTime < PIN_RETRY_COOLDOWN) return; // guard against PIN brute force
+  bool correctBefore = correctPIN;
+  correctPIN = (strlen(settingsPIN) == 0 || strncmp(settingsPIN, pin, 4) == 0);
+  if (correctBefore != correctPIN) createEditHandler(correctPIN);
+  lastEditTime = millis();
+}
+
+
 uint16_t crc16(const unsigned char* data_p, size_t length) {
   uint8_t x;
   uint16_t crc = 0xFFFF;
@@ -401,9 +418,9 @@ uint16_t crc16(const unsigned char* data_p, size_t length) {
 // (only 2 used as stored in 1 bit in segment options, consider switching to a single global simulation type)
 typedef enum UM_SoundSimulations {
   UMS_BeatSin = 0,
-  UMS_WeWillRockYou
-  //UMS_10_13,
-  //UMS_14_3
+  UMS_WeWillRockYou,
+  UMS_10_13,
+  UMS_14_3
 } um_soundSimulations_t;
 
 um_data_t* simulateSound(uint8_t simulationId)
@@ -491,7 +508,7 @@ um_data_t* simulateSound(uint8_t simulationId)
           fftResult[i] = 0;
       }
       break;
-  /*case UMS_10_3:
+    case UMS_10_13:
       for (int i = 0; i<16; i++)
         fftResult[i] = inoise8(beatsin8(90 / (i+1), 0, 200)*15 + (ms>>10), ms>>3);
         volumeSmth = fftResult[8];
@@ -500,11 +517,11 @@ um_data_t* simulateSound(uint8_t simulationId)
       for (int i = 0; i<16; i++)
         fftResult[i] = inoise8(beatsin8(120 / (i+1), 10, 30)*10 + (ms>>14), ms>>3);
       volumeSmth = fftResult[8];
-      break;*/
+      break;
   }
 
   samplePeak    = random8() > 250;
-  FFT_MajorPeak = 21 + (volumeSmth*volumeSmth) / 8.0f; // WLEDMM 21hz...8200hz
+  FFT_MajorPeak = 21 + (volumeSmth*volumeSmth) / 8.0f; // walk thru full range of 21hz...8200hz
   maxVol        = 31;  // this gets feedback fro UI
   binNum        = 8;   // this gets feedback fro UI
   volumeRaw = volumeSmth;
@@ -545,6 +562,20 @@ CRGB getCRGBForBand(int x, uint8_t *fftResult, int pal) {
   return value;
 }
 
+/*
+ * Returns a new, random color wheel index with a minimum distance of 42 from pos.
+ */
+uint8_t get_random_wheel_index(uint8_t pos) {
+  uint8_t r = 0, x = 0, y = 0, d = 0;
+  while (d < 42) {
+    r = random8();
+    x = abs(pos - r);
+    y = 255 - x;
+    d = MIN(x, y);
+  }
+  return r;
+}
+
 // WLEDMM extended "trim string" function to support enumerateLedmaps
 // The function takes char* as input, and removes all leading and trailing "decorations" like spaces, tabs, line endings, quotes, colons
 // The conversion is "in place" (destructive).

wled00/wled.h

@@ -8,7 +8,7 @@
  */
 
 // version code in format yymmddb (b = daily build)
-#define VERSION 2402252
+#define VERSION 2404090
 
 // WLEDMM  - you can check for this define in usermods, to only enabled WLEDMM specific code in the "right" fork. Its not defined in AC WLED.
 #define _MoonModules_WLED_