add E1.31 packet out-of-sequence config option, wrt #742

wled00/data/settings_sync.htm

@@ -85,6 +85,7 @@
 		<h3>Realtime</h3>
 		Receive UDP realtime: <input type="checkbox" name="RD"><br><br>
 		E1.31 (sACN)<br>
+		Skip out-of-sequence packets (freeze instead of flicker): <input type="checkbox" name="ES"><br>
 		Multicast mode: <input type="checkbox" name="EM"><br>
 		E1.31 start universe: <input name="EU" type="number" min="1" max="63999" required><br>
 		<i>Reboot required.</i> Check out <a href="https://github.com/ahodges9/LedFx" target="_blank">LedFx</a>!<br><br>

wled00/html_settings.h

@@ -284,6 +284,7 @@ Send notifications twice: <input type="checkbox" name="S2">
 <h3>Realtime</h3>
 Receive UDP realtime: <input type="checkbox" name="RD"><br><br>
 <i>E1.31 (sACN)</i><br>
+Skip out-of-sequence packets (freeze instead of flicker): <input type="checkbox" name="ES"><br>
 Use E1.31 multicast: <input type="checkbox" name="EM"><br>
 E1.31 start universe: <input name="EU" type="number" min="1" max="63999" required><br>
 <i>Reboot required.</i> Check out <a href="https://github.com/ahodges9/LedFx" target="_blank">LedFx</a>!<br>

wled00/wled00.ino

@@ -213,6 +213,7 @@ uint16_t DMXAddress = 1;                      //DMX start address of fixture, a.
 uint8_t  DMXOldDimmer = 0;                    //only update brightness on change
 uint8_t  e131LastSequenceNumber[E131_MAX_UNIVERSE_COUNT];          //to detect packet loss
 bool     e131Multicast = false;               //multicast or unicast
+bool     e131SkipOutOfSequence = false;       //freeze instead of flickering
 
 bool mqttEnabled = false;
 char mqttDeviceTopic[33] = "";                //main MQTT topic (individual per device, default is wled/mac)

wled00/wled01_eeprom.ino

@@ -6,7 +6,7 @@
 #define EEPSIZE 2560  //Maximum is 4096
 
 //eeprom Version code, enables default settings instead of 0 init on update
-#define EEPVER 17
+#define EEPVER 18
 //0 -> old version, default
 //1 -> 0.4p 1711272 and up
 //2 -> 0.4p 1711302 and up
@@ -25,6 +25,7 @@
 //15-> 0.9.0-b3
 //16-> 0.9.1
 //17-> 0.9.1-dmx
+//18-> 0.9.1-e131
 
 void commit()
 {
@@ -208,6 +209,7 @@ void saveSettingsToEEPROM()
   EEPROM.write(2181, macroNl);
   EEPROM.write(2182, macroDoublePress);
 
+  EEPROM.write(2189, e131SkipOutOfSequence);
   EEPROM.write(2190, e131Universe & 0xFF);
   EEPROM.write(2191, (e131Universe >> 8) & 0xFF);
   EEPROM.write(2192, e131Multicast);
@@ -505,6 +507,12 @@ void loadSettingsFromEEPROM(bool first)
     noWifiSleep = EEPROM.read(370);
   //}
 
+  if (lastEEPROMversion > 17)
+  {
+    e131SkipOutOfSequence = EEPROM.read(2189);
+  } else {
+    e131SkipOutOfSequence = true;
+  }
 
   receiveDirect = !EEPROM.read(2200);
   notifyMacro = EEPROM.read(2201);

wled00/wled02_xml.ino

@@ -324,6 +324,7 @@ void getSettingsJS(byte subPage, char* dest)
     sappend('c',"SM",notifyMacro);
     sappend('c',"S2",notifyTwice);
     sappend('c',"RD",receiveDirect);
+    sappend('c',"ES",e131SkipOutOfSequence);
     sappend('c',"EM",e131Multicast);
     sappend('v',"EU",e131Universe);
     sappend('v',"DA",DMXAddress);

wled00/wled03_set.ino

@@ -138,6 +138,7 @@ void handleSettingsSet(AsyncWebServerRequest *request, byte subPage)
     notifyTwice = request->hasArg("S2");
 
     receiveDirect = request->hasArg("RD");
+    e131SkipOutOfSequence = request->hasArg("ES");
     e131Multicast = request->hasArg("EM");
     t = request->arg("EU").toInt();
     if (t > 0  && t <= 63999) e131Universe = t;

wled00/wled07_notify.ino

@@ -97,7 +97,7 @@ void handleE131Packet(e131_packet_t* p, IPAddress clientIP){
   // only listen for universes we're handling & allocated memory
   if (uni >= (e131Universe + E131_MAX_UNIVERSE_COUNT)) return;
 
-  // skip out-of-sequence packets
+  if (e131SkipOutOfSequence)
     if (p->sequence_number < e131LastSequenceNumber[uni-e131Universe] && p->sequence_number > 20 && e131LastSequenceNumber[uni-e131Universe] < 250){
       DEBUG_PRINT("skipping E1.31 frame (last seq=");
       DEBUG_PRINT(e131LastSequenceNumber[uni-e131Universe]);