Merge pull request #2601 from Aircoookie/minseg-udp

UDP on main segment only.

wled00/FX.h

@@ -46,6 +46,11 @@
 #define MAX(a,b) ((a)>(b)?(a):(b))
 #endif
 
+//color mangling macros
+#ifndef RGBW32
+#define RGBW32(r,g,b,w) (uint32_t((byte(w) << 24) | (byte(r) << 16) | (byte(g) << 8) | (byte(b))))
+#endif
+
 /* Not used in all effects yet */
 #define WLED_FPS         42
 #define FRAMETIME_FIXED  (1000/WLED_FPS)
@@ -637,12 +642,13 @@ class WS2812FX {
       resetSegments(),
       makeAutoSegments(bool forceReset = false),
       fixInvalidSegments(),
-      setPixelColor(uint16_t n, uint32_t c),
       setPixelColor(uint16_t n, uint8_t r, uint8_t g, uint8_t b, uint8_t w = 0),
       show(void),
 			setTargetFps(uint8_t fps),
       deserializeMap(uint8_t n=0);
 
+    inline void setPixelColor(uint16_t n, uint32_t c) {setPixelColor(n, byte(c>>16), byte(c>>8), byte(c), byte(c>>24));}
+
     bool
       gammaCorrectBri = false,
       gammaCorrectCol = true,
@@ -910,7 +916,6 @@ class WS2812FX {
     friend class ColorTransition;
 
     uint16_t
-      realPixelIndex(uint16_t i),
       transitionProgress(uint8_t tNr);
   
   public:

wled00/FX_fcn.cpp

@@ -131,6 +131,8 @@ void WS2812FX::service() {
 
   for(uint8_t i=0; i < MAX_NUM_SEGMENTS; i++)
   {
+    //if (realtimeMode && useMainSegmentOnly && i == getMainSegmentId()) continue;
+
     _segment_index = i;
 
     // reset the segment runtime data if needed, called before isActive to ensure deleted
@@ -185,34 +187,11 @@ void WS2812FX::service() {
   _triggered = false;
 }
 
-void IRAM_ATTR WS2812FX::setPixelColor(uint16_t n, uint32_t c) {
-  setPixelColor(n, R(c), G(c), B(c), W(c));
-}
-
-//used to map from segment index to physical pixel, taking into account grouping, offsets, reverse and mirroring
-uint16_t IRAM_ATTR WS2812FX::realPixelIndex(uint16_t i) {
-  int16_t iGroup = i * SEGMENT.groupLength();
-
-  /* reverse just an individual segment */
-  int16_t realIndex = iGroup;
-  if (IS_REVERSE) {
-    if (IS_MIRROR) {
-      realIndex = (SEGMENT.length() - 1) / 2 - iGroup;  //only need to index half the pixels
-    } else {
-      realIndex = (SEGMENT.length() - 1) - iGroup;
-    }
-  }
-
-  realIndex += SEGMENT.start;
-  return realIndex;
-}
-
 void IRAM_ATTR WS2812FX::setPixelColor(uint16_t i, byte r, byte g, byte b, byte w)
 {
-  if (SEGLEN) {//from segment
+  uint8_t segIdx;
-    uint16_t realIndex = realPixelIndex(i);
-    uint16_t len = SEGMENT.length();
 
+  if (SEGLEN) { // SEGLEN!=0 -> from segment/FX
     //color_blend(getpixel, col, _bri_t); (pseudocode for future blending of segments)
     if (_bri_t < 255) {  
       r = scale8(r, _bri_t);
@@ -220,30 +199,48 @@ void IRAM_ATTR WS2812FX::setPixelColor(uint16_t i, byte r, byte g, byte b, byte
       b = scale8(b, _bri_t);
       w = scale8(w, _bri_t);
     }
+    segIdx = _segment_index;
+  } else // from live/realtime
+    segIdx = _mainSegment;
+
+  if (SEGLEN || (realtimeMode && useMainSegmentOnly)) {
     uint32_t col = RGBW32(r, g, b, w);
+    uint16_t len = _segments[segIdx].length();
 
-    /* Set all the pixels in the group */
+    // get physical pixel address (taking into account start, grouping, spacing [and offset])
-    for (uint16_t j = 0; j < SEGMENT.grouping; j++) {
+    i = i * _segments[segIdx].groupLength();
-      uint16_t indexSet = realIndex + (IS_REVERSE ? -j : j);
+    if (_segments[segIdx].options & REVERSE) { // is segment reversed?
-      if (indexSet >= SEGMENT.start && indexSet < SEGMENT.stop) {
+      if (_segments[segIdx].options & MIRROR) { // is segment mirrored?
-        if (IS_MIRROR) { //set the corresponding mirrored pixel
+        i = (len - 1) / 2 - i;  //only need to index half the pixels
-          uint16_t indexMir = SEGMENT.stop - indexSet + SEGMENT.start - 1;
+      } else {
-          /* offset/phase */
+        i = (len - 1) - i;
-          indexMir += SEGMENT.offset;
+      }
-          if (indexMir >= SEGMENT.stop) indexMir -= len;
+    }
+    i += _segments[segIdx].start;
 
+    // set all the pixels in the group
+    for (uint16_t j = 0; j < _segments[segIdx].grouping; j++) {
+      uint16_t indexSet = i + ((_segments[segIdx].options & REVERSE) ? -j : j);
+      if (indexSet >= _segments[segIdx].start && indexSet < _segments[segIdx].stop) {
+
+        if (_segments[segIdx].options & MIRROR) { //set the corresponding mirrored pixel
+          uint16_t indexMir = _segments[segIdx].stop - indexSet + _segments[segIdx].start - 1;          
+          indexMir += _segments[segIdx].offset; // offset/phase
+
+          if (indexMir >= _segments[segIdx].stop) indexMir -= len;
           if (indexMir < customMappingSize) indexMir = customMappingTable[indexMir];
+
           busses.setPixelColor(indexMir, col);
         }
-        /* offset/phase */
+        indexSet += _segments[segIdx].offset; // offset/phase
-        indexSet += SEGMENT.offset;
-        if (indexSet >= SEGMENT.stop) indexSet -= len;
 
+        if (indexSet >= _segments[segIdx].stop) indexSet -= len;
         if (indexSet < customMappingSize) indexSet = customMappingTable[indexSet];
+
         busses.setPixelColor(indexSet, col);
       }
     }
-  } else { //live data, etc.
+  } else {
     if (i < customMappingSize) i = customMappingTable[i];
     busses.setPixelColor(i, RGBW32(r, g, b, w));
   }
@@ -508,7 +505,13 @@ uint8_t WS2812FX::getActiveSegmentsNum(void) {
 
 uint32_t WS2812FX::getPixelColor(uint16_t i)
 {
-  i = realPixelIndex(i);
+  // get physical pixel
+  i = i * SEGMENT.groupLength();;
+  if (IS_REVERSE) {
+    if (IS_MIRROR) i = (SEGMENT.length() - 1) / 2 - i;  //only need to index half the pixels
+    else           i = (SEGMENT.length() - 1) - i;
+  }
+  i += SEGMENT.start;
 
   if (SEGLEN) {
     /* offset/phase */
@@ -523,7 +526,7 @@ uint32_t WS2812FX::getPixelColor(uint16_t i)
 }
 
 WS2812FX::Segment& WS2812FX::getSegment(uint8_t id) {
-  if (id >= MAX_NUM_SEGMENTS) return _segments[0];
+  if (id >= MAX_NUM_SEGMENTS) return _segments[getMainSegmentId()];
   return _segments[id];
 }
 

wled00/cfg.cpp

@@ -291,6 +291,7 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
 
   JsonObject if_live = interfaces["live"];
   CJSON(receiveDirect, if_live["en"]);
+  CJSON(useMainSegmentOnly, if_live[F("mso")]);
   CJSON(e131Port, if_live["port"]); // 5568
   if (e131Port == DDP_DEFAULT_PORT) e131Port = E131_DEFAULT_PORT; // prevent double DDP port allocation
   CJSON(e131Multicast, if_live[F("mc")]);
@@ -704,6 +705,7 @@ void serializeConfig() {
 
   JsonObject if_live = interfaces.createNestedObject("live");
   if_live["en"] = receiveDirect;
+  if_live[F("mso")] = useMainSegmentOnly;
   if_live["port"] = e131Port;
   if_live[F("mc")] = e131Multicast;
 

wled00/data/index.css

@@ -864,6 +864,19 @@ input[type=number]::-webkit-outer-spin-button {
 	right: 8px;
 }
 
+.frz {
+	left: 36px;
+	position: absolute;
+	top: 0px;
+	cursor: pointer;
+	padding: 8px;
+}
+
+/* TODO expanded does not seem to apply to .frz, what is this for? */
+.expanded .frz {
+	display: none;
+}
+
 .check, .radio {
 	display: inline-block;
 	position: relative;

wled00/data/index.htm

@@ -137,7 +137,7 @@
 	<div id="Effects" class="tabcontent">
 		<p class="labels">Effect speed</p>
 		<div class="staytop">
-			<i class="icons slider-icon" style="cursor: pointer;" onclick="tglFreeze()">&#xe325;</i>
+			<i class="icons slider-icon" style="cursor: pointer;" title="Freeze" onclick="tglFreeze()">&#xe325;</i>
 			<div class="sliderwrap il">
 				<input id="sliderSpeed" class="noslide" onchange="setSpeed()" oninput="updateTrail(this)" max="255" min="0" type="range" value="128" />
 				<output class="sliderbubble hidden"></output>

wled00/data/index.js

@@ -566,6 +566,7 @@ function populateInfo(i)
 function populateSegments(s)
 {
 	var cn = "";
+	let li = lastinfo;
 	segCount = 0; lowestUnused = 0; lSeg = 0;
 
 	for (var y = 0; y < (s.seg||[]).length; y++)
@@ -584,6 +585,7 @@ function populateSegments(s)
 				<input type="checkbox" id="seg${i}sel" onchange="selSeg(${i})" ${inst.sel ? "checked":""}>
 				<span class="checkmark schk"></span>
 			</label>
+			<i class="icons e-icon frz" id="seg${i}frz" onclick="event.preventDefault();tglFreeze(${i});" style="display:${inst.frz?"inline":"none"}">&#x${li.live && li.liveseg==i?'e410':'e325'};</i>
 			<div class="segname">
 				<div class="segntxt" onclick="selSegEx(${i})">${inst.n ? inst.n : "Segment "+i}</div>
 				<i class="icons edit-icon ${expanded[i] ? "expanded":""}" id="seg${i}nedit" onclick="tglSegn(${i})">&#xe2c6;</i>
@@ -964,7 +966,7 @@ function updateUI()
 
 function displayRover(i,s)
 {
-	d.getElementById('rover').style.transform = (i.live && s.lor == 0) ? "translateY(0px)":"translateY(100%)";
+	d.getElementById('rover').style.transform = (i.live && s.lor == 0 && i.liveseg<0) ? "translateY(0px)":"translateY(100%)";
 	var sour = i.lip ? i.lip:""; if (sour.length > 2) sour = " from " + sour;
 	d.getElementById('lv').innerHTML = `WLED is receiving live ${i.lm} data${sour}`;
 	d.getElementById('roverstar').style.display = (i.live && s.lor) ? "block":"none";
@@ -1643,7 +1645,11 @@ function setSegBri(s){
 function tglFreeze(s=null)
 {
 	var obj = {"seg": {"frz": "t"}}; // toggle
-	if (s!==null) obj.id = s;
+	if (s!==null) {
+		obj.seg.id = s;
+		// if live segment, enter live override (which also unfreezes)
+		if (lastinfo && s==lastinfo.liveseg && lastinfo.live) obj = {"lor":1};
+	}
 	requestJson(obj);
 }
 

wled00/data/settings_sync.htm

@@ -95,7 +95,8 @@ Send notifications twice: <input type="checkbox" name="S2"><br>
 Enable instance list: <input type="checkbox" name="NL"><br>
 Make this instance discoverable: <input type="checkbox" name="NB">
 <h3>Realtime</h3>
-Receive UDP realtime: <input type="checkbox" name="RD"><br><br>
+Receive UDP realtime: <input type="checkbox" name="RD"><br>
+Use main segment only: <input type="checkbox" name="MO"><br><br>
 <i>Network DMX input</i><br>
 Type:
 <select name=DI onchange="SP(); adj();">

wled00/fcn_declare.h

@@ -206,6 +206,7 @@ bool updateVal(const String* req, const char* key, byte* val, byte minv=0, byte
 void notify(byte callMode, bool followUp=false);
 uint8_t realtimeBroadcast(uint8_t type, IPAddress client, uint16_t length, byte *buffer, uint8_t bri=255, bool isRGBW=false);
 void realtimeLock(uint32_t timeoutMs, byte md = REALTIME_MODE_GENERIC);
+void exitRealtime();
 void handleNotifications();
 void setRealtimePixel(uint16_t i, byte r, byte g, byte b, byte w);
 void refreshNodeList();

wled00/html_settings.h

@@ -290,7 +290,8 @@ Send notifications twice: <input type="checkbox" name="S2"><br><i>
 Reboot required to apply changes.</i><h3>Instance List</h3>
 Enable instance list: <input type="checkbox" name="NL"><br>
 Make this instance discoverable: <input type="checkbox" name="NB"><h3>Realtime
-</h3>Receive UDP realtime: <input type="checkbox" name="RD"><br><br><i>
+</h3>Receive UDP realtime: <input type="checkbox" name="RD"><br>
+Use main segment only: <input type="checkbox" name="MO"><br><br><i>
 Network DMX input</i><br>Type: <select name="DI" onchange="SP(),adj()"><option 
 value="5568">E1.31 (sACN)</option><option value="6454">Art-Net</option><option 
 value="0" selected="selected">Custom port</option></select><br><div id="xp">

wled00/json.cpp

@@ -228,8 +228,8 @@ void deserializeSegment(JsonObject elem, byte it, byte presetId)
     }
     strip.setPixelSegment(oldSegId);
     strip.trigger();
-  } else if (!elem["frz"] && iarr.isNull()) { //return to regular effect
+//  } else if (!elem["frz"] && iarr.isNull()) { //return to regular effect
-    seg.setOption(SEG_OPTION_FREEZE, false);
+//    seg.setOption(SEG_OPTION_FREEZE, false);
   }
   // send UDP if not in preset and something changed that is not just selection
   //if (!presetId && (seg.differs(prev) & 0x7F)) stateChanged = true;
@@ -243,6 +243,7 @@ bool deserializeState(JsonObject root, byte callMode, byte presetId)
 {
   bool stateResponse = root[F("v")] | false;
 
+  bool onBefore = bri;
   getVal(root["bri"], &bri);
 
   bool on = root["on"] | (bri > 0);
@@ -250,6 +251,15 @@ bool deserializeState(JsonObject root, byte callMode, byte presetId)
 
   if (root["on"].is<const char*>() && root["on"].as<const char*>()[0] == 't') toggleOnOff();
 
+  if (bri && !onBefore) { // unfreeze all segments when turning on
+    for (uint8_t s=0; s < strip.getMaxSegments(); s++) {
+      strip.getSegment(s).setOption(SEG_OPTION_FREEZE, false, s);
+    }
+    if (realtimeMode && !realtimeOverride && useMainSegmentOnly) { // keep live segment frozen if live
+      strip.getMainSegment().setOption(SEG_OPTION_FREEZE, true, strip.getMainSegmentId());
+    }
+  }
+
   int tr = -1;
   if (!presetId || currentPlaylist < 0) { //do not apply transition time from preset if playlist active, as it would override playlist transition times
     tr = root[F("transition")] | -1;
@@ -292,23 +302,24 @@ bool deserializeState(JsonObject root, byte callMode, byte presetId)
 
   doReboot = root[F("rb")] | doReboot;
 
+  strip.setMainSegmentId(root[F("mainseg")] | strip.getMainSegmentId()); // must be before realtimeLock() if "live"
+
   realtimeOverride = root[F("lor")] | realtimeOverride;
   if (realtimeOverride > 2) realtimeOverride = REALTIME_OVERRIDE_ALWAYS;
+  if (realtimeMode && useMainSegmentOnly) {
+    strip.getMainSegment().setOption(SEG_OPTION_FREEZE, !realtimeOverride, strip.getMainSegmentId());
+  }
 
-  bool liveEnabled = false;
   if (root.containsKey("live")) {
-    bool lv = root["live"];
+    if (root["live"].as<bool>()) {
-    if (lv) {
       transitionDelayTemp = 0;
       jsonTransitionOnce = true;
-      liveEnabled = true; // triggers realtimeLock() below
       realtimeLock(65000);
+    } else {
+      exitRealtime();
     }
-    else realtimeTimeout = 0; //cancel realtime mode immediately
   }
 
-  strip.setMainSegmentId(root[F("mainseg")] | strip.getMainSegmentId());
-
   int it = 0;
   JsonVariant segVar = root["seg"];
   if (segVar.is<JsonObject>())
@@ -381,7 +392,6 @@ bool deserializeState(JsonObject root, byte callMode, byte presetId)
   }
 
   stateUpdated(callMode);
-  if (liveEnabled) realtimeTimeout = UINT32_MAX; // force indefinite timeout if this request contained {"live":true}
 
   return stateResponse;
 }
@@ -536,6 +546,8 @@ void serializeInfo(JsonObject root)
   root[F("name")] = serverDescription;
   root[F("udpport")] = udpPort;
   root["live"] = (bool)realtimeMode;
+  root[F("liveseg")] = useMainSegmentOnly ? strip.getMainSegmentId() : -1;  // if using main segment only for live
+  //root[F("mso")] = useMainSegmentOnly;  // using main segment only for live
 
   switch (realtimeMode) {
     case REALTIME_MODE_INACTIVE: root["lm"] = ""; break;

wled00/led.cpp

@@ -100,7 +100,6 @@ void stateUpdated(byte callMode) {
   setValuesFromFirstSelectedSeg();
 
   if (bri != briOld || stateChanged) {
-    if (realtimeTimeout == UINT32_MAX) realtimeTimeout = 0;
     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);

wled00/set.cpp

@@ -237,6 +237,7 @@ void handleSettingsSet(AsyncWebServerRequest *request, byte subPage)
     nodeBroadcastEnabled = request->hasArg(F("NB"));
 
     receiveDirect = request->hasArg(F("RD"));
+    useMainSegmentOnly = request->hasArg(F("MO"));
     e131SkipOutOfSequence = request->hasArg(F("ES"));
     e131Multicast = request->hasArg(F("EM"));
     t = request->arg(F("EP")).toInt();
@@ -933,6 +934,9 @@ bool handleSet(AsyncWebServerRequest *request, const String& req, bool apply)
   if (pos > 0) {
     realtimeOverride = getNumVal(&req, pos);
     if (realtimeOverride > 2) realtimeOverride = REALTIME_OVERRIDE_ALWAYS;
+    if (realtimeMode && useMainSegmentOnly) {
+      strip.getMainSegment().setOption(SEG_OPTION_FREEZE, !realtimeOverride, strip.getMainSegmentId());
+    }
   }
 
   pos = req.indexOf(F("RB"));

wled00/udp.cpp

@@ -141,27 +141,52 @@ void notify(byte callMode, bool followUp)
 void realtimeLock(uint32_t timeoutMs, byte md)
 {
   if (!realtimeMode && !realtimeOverride) {
-    uint16_t totalLen = strip.getLengthTotal();
+    uint16_t stop, start;
-    for (uint16_t i = 0; i < totalLen; i++)
+    if (useMainSegmentOnly) {
-    {
+      WS2812FX::Segment& mainseg = strip.getMainSegment();
-      strip.setPixelColor(i,0,0,0,0);
+      start = mainseg.start;
+      stop  = mainseg.stop;
+      mainseg.setOption(SEG_OPTION_FREEZE, true, strip.getMainSegmentId());
+    } else {
+      start = 0;
+      stop  = strip.getLengthTotal();
     }
+    // clear strip/segment
+    for (uint16_t i = start; i < stop; i++) strip.setPixelColor(i,0,0,0,0);
+    // if WLED was off and using main segment only, freeze non-main segments so they stay off
+    if (useMainSegmentOnly && bri == 0) {
+      for (uint8_t s=0; s < strip.getMaxSegments(); s++) {
+        strip.getSegment(s).setOption(SEG_OPTION_FREEZE, true, s);
+      }
+    }
+  }
+  // if strip is off (bri==0) and not already in RTM
+  if (briT == 0 && !realtimeMode && !realtimeOverride) {
+    strip.setBrightness(scaledBri(briLast), true);
   }
 
   if (realtimeTimeout != UINT32_MAX) {
-    realtimeTimeout = millis() + timeoutMs;
+    realtimeTimeout = (timeoutMs == 255001 || timeoutMs == 65000) ? UINT32_MAX : millis() + timeoutMs;
-    if (timeoutMs == 255001 || timeoutMs == 65000) realtimeTimeout = UINT32_MAX;
-  }
-  // if strip is off (bri==0) and not already in RTM
-  if (briT == 0 && !realtimeMode) {
-    strip.setBrightness(scaledBri(briLast), true);
   }
   realtimeMode = md;
 
-  if (arlsForceMaxBri && !realtimeOverride) strip.setBrightness(scaledBri(255), true);
+  if (realtimeOverride) return;
+  if (arlsForceMaxBri) strip.setBrightness(scaledBri(255), true);
   if (briT > 0 && md == REALTIME_MODE_GENERIC) strip.show();
 }
 
+void exitRealtime() {
+  if (!realtimeMode) return;
+  if (realtimeOverride == REALTIME_OVERRIDE_ONCE) realtimeOverride = REALTIME_OVERRIDE_NONE;
+  strip.setBrightness(scaledBri(bri));
+  realtimeTimeout = 0; // cancel realtime mode immediately
+  realtimeMode = REALTIME_MODE_INACTIVE; // inform UI immediately
+  realtimeIP[0] = 0;
+  if (useMainSegmentOnly) { // unfreeze live segment again
+    strip.getMainSegment().setOption(SEG_OPTION_FREEZE, false, strip.getMainSegmentId());
+  }
+}
+
 
 #define TMP2NET_OUT_PORT 65442
 
@@ -189,13 +214,7 @@ void handleNotifications()
   }
 
   //unlock strip when realtime UDP times out
-  if (realtimeMode && millis() > realtimeTimeout)
+  if (realtimeMode && millis() > realtimeTimeout) exitRealtime();
-  {
-    if (realtimeOverride == REALTIME_OVERRIDE_ONCE) realtimeOverride = REALTIME_OVERRIDE_NONE;
-    strip.setBrightness(scaledBri(bri));
-    realtimeMode = REALTIME_MODE_INACTIVE;
-    realtimeIP[0] = 0;
-  }
 
   //receive UDP notifications
   if (!udpConnected) return;

wled00/wled.cpp

@@ -148,7 +148,9 @@ void WLED::loop()
   yield();
   handleIO();
   handleIR();
+  #ifndef WLED_DISABLE_ALEXA
   handleAlexa();
+  #endif
 
   yield();
 
@@ -159,21 +161,24 @@ void WLED::loop()
     yield();
   }
 
-  if (!realtimeMode || realtimeOverride)  // block stuff if WARLS/Adalight is enabled
+  if (!realtimeMode || realtimeOverride || (realtimeMode && useMainSegmentOnly))  // block stuff if WARLS/Adalight is enabled
   {
-    if (apActive)
+    if (apActive) dnsServer.processNextRequest();
-      dnsServer.processNextRequest();
     #ifndef WLED_DISABLE_OTA
-    if (WLED_CONNECTED && aOtaEnabled)
+    if (WLED_CONNECTED && aOtaEnabled) ArduinoOTA.handle();
-      ArduinoOTA.handle();
     #endif
     handleNightlight();
     handlePlaylist();
     yield();
 
+    #ifndef WLED_DISABLE_HUESYNC
     handleHue();
+    yield();
+    #endif
+
     #ifndef WLED_DISABLE_BLYNK
     handleBlynk();
+    yield();
     #endif
 
     yield();

wled00/wled.h

@@ -537,6 +537,7 @@ WLED_GLOBAL IPAddress realtimeIP _INIT_N(((0, 0, 0, 0)));
 WLED_GLOBAL unsigned long realtimeTimeout _INIT(0);
 WLED_GLOBAL uint8_t tpmPacketCount _INIT(0);
 WLED_GLOBAL uint16_t tpmPayloadFrameSize _INIT(0);
+WLED_GLOBAL bool useMainSegmentOnly _INIT(false);
 
 // mqtt
 WLED_GLOBAL unsigned long lastMqttReconnectAttempt _INIT(0);

wled00/xml.cpp

@@ -493,6 +493,7 @@ void getSettingsJS(byte subPage, char* dest)
     sappend('c',SET_F("NB"),nodeBroadcastEnabled);
 
     sappend('c',SET_F("RD"),receiveDirect);
+    sappend('c',SET_F("MO"),useMainSegmentOnly);
     sappend('v',SET_F("EP"),e131Port);
     sappend('c',SET_F("ES"),e131SkipOutOfSequence);
     sappend('c',SET_F("EM"),e131Multicast);