Merge branch 'MoonModules:mdev' into mdev

platformio.ini

@@ -78,12 +78,15 @@ default_envs =
   esp32_pico_4MB_V4_S      ;; PICO D4 board
   esp32_4MB_V4_S_HUB75     ;; esp32 4MB  - HUB75 supported
   esp32_4MB_V4_HUB75_forum ;; esp32 4MB  - HUB75 supported (forum pinout)
+  esp32_4MB_V4_S           ;; without HUB75 driver - might work better with I2S microphones
   esp32_4MB_M_eth          ;; esp32 4MB with ethernet support
   esp32_4MB_V4_S_eth       ;; esp32 4MB "V4" build with ethernet support
   ; esp32_4MB_PSRAM_REV3_S ;; WROVER-E experimental, optimized for WROVER-E with "revision3" chip
   esp32_4MB_PSRAM_S        ;; esp32 WROVER with PSRAM; HUB75 supported
-  esp32_16MB_V4_S          ;; esp32 16MB - HUB75 supported, optimized for speed
+  esp32_16MB_V4_S          ;; esp32 16MB - without HUB75 driver, optimized for speed
-  esp32_16MB_V4_M          ;; esp32 16MB - HUB75 supported
+  esp32_16MB_V4_M          ;; esp32 16MB - without HUB75 driver
+  esp32_16MB_V4_S_HUB75    ;; esp32 16MB - HUB75 supported, optimized for speed
+  ; esp32_16MB_V4_M_HUB75  ;; esp32 16MB - HUB75 supported
   esp32_16MB_V4_M_debug    ;; esp32 16MB - for out-of-the-box debugging
   ;;
   esp32S3_4MB_S            ;; experimental, for HD-WF2 (HUB75 supported)
@@ -1852,8 +1855,35 @@ lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compila
 ; RAM:   [===       ]  25.5% (used 83396 bytes from 327680 bytes)
 ; Flash: [==========]  98.2% (used 1543949 bytes from 1572864 bytes)
 
-[env:esp32_4MB_V4_S] ;; legacy alias
+[env:esp32_4MB_V4_S] ;; without HUB75 driver - might work better with I2S microphones
-extends = env:esp32_4MB_V4_S_HUB75
+extends = esp32_4MB_V4_S_base
+;; board_build.partitions = ${esp32.default_partitions} ;; compatible with upstream
+build_unflags = ${esp32_4MB_V4_S_base.build_unflags}
+  ${common_mm.DMXin_build_flags} ;; exceeds flash size limits
+build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
+  -D WLED_RELEASE_NAME=esp32_4MB_V4_S
+  -D WLED_WATCHDOG_TIMEOUT=0 #-D WLED_DISABLE_BROWNOUT_DET
+  -D ARDUINO_USB_CDC_ON_BOOT=0 ; needed for arduino-esp32 >=2.0.4; avoids errors on startup
+  -D WLEDMM_FASTPATH ; WLEDMM experimental option. Reduces audio lag (latency), and allows for faster LED framerates. May break compatibility with previous versions.
+  -D WLEDMM_SAVE_FLASH
+  -D WLED_DISABLE_LOXONE
+  -D WLED_DISABLE_ALEXA
+  -D WLED_DISABLE_HUESYNC
+  -D WLED_DISABLE_MQTT
+  -D WLED_DISABLE_INFRARED
+  -D WLED_DISABLE_ESPNOW  ;; might help in case of WiFi connectivity problems
+  -D WLED_ENABLE_PIXELFORGE
+  -D WLEDMM_SAVE_FLASH
+  ; -D WLED_DEBUG
+  ; -D SR_DEBUG
+  ; -D MIC_LOGGER
+  ;; -D SR_DMTYPE=254 ;; HUB75 driver needs the I2S unit - this sets AR default mode to 'Network Receive Only' to prevent driver conflicts.
+  ;; -D WLED_DISABLE_PARTICLESYSTEM1D
+  ;; -D WLED_DISABLE_PARTICLESYSTEM2D
+lib_deps = ${esp32_4MB_V4_S_base.esp32_lib_deps}
+lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
+    ${common_mm.DMXin_lib_ignore}
+    ${common_mm.HUB75_lib_ignore}
 
 ; standard MM build for classic esp32; HUB75 not included
 [env:esp32_4MB_V4_M]
@@ -2012,13 +2042,13 @@ board_build.flash_mode = qio ; (dio = dual i/o; more compatible than qio = quad
 ; Flash: [==========]  98.1% (used 1863653 bytes from 1900544 bytes)
 
 ;; V4 build for 16MB flash, optimized for speed; HUB75 supported
-[env:esp32_16MB_V4_S]
+[env:esp32_16MB_V4_S_HUB75]
 extends = esp32_4MB_V4_S_base
 build_unflags = ${esp32_4MB_V4_S_base.build_unflags}
   ${Speed_Flags.build_unflags}  ;; to override -Os
 build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
   ${Speed_Flags.build_flags_V4}  ;; optimize for speed instead of size
-  -D WLED_RELEASE_NAME=esp32_16MB_V4_S
+  -D WLED_RELEASE_NAME=esp32_16MB_V4_S_HUB75
   -D WLED_WATCHDOG_TIMEOUT=0 #-D WLED_DISABLE_BROWNOUT_DET
   -D ARDUINO_USB_CDC_ON_BOOT=0 ; needed for arduino-esp32 >=2.0.4; avoids errors on startup
   -D WLEDMM_FASTPATH ; WLEDMM experimental option. Reduces audio lag (latency), and allows for faster LED framerates. May break compatibility with previous versions.
@@ -2041,11 +2071,27 @@ board_build.partitions = ${esp32.extreme_partitions} ;; WLED extended for 16MB f
 ; RAM:   [==        ]  23.7% (used 77704 bytes from 327680 bytes)
 ; Flash: [========  ]  84.4% (used 1770341 bytes from 2097152 bytes)
 
+;; same as above, but without HUB75 driver - better for I2S audio input
+[env:esp32_16MB_V4_S]
+extends = env:esp32_16MB_V4_S_HUB75
+build_unflags = ${env:esp32_16MB_V4_S_HUB75.build_unflags}
+  -D WLED_RELEASE_NAME=esp32_16MB_V4_S_HUB75
+  -D WLED_ENABLE_HUB75MATRIX ;; remove HUB driver
+  -D WLEDMM_SLOWPATH         ;; not necessary without HUB75
+  -D SR_DMTYPE=254           ;; not necessary without HUB75
+build_flags = ${env:esp32_16MB_V4_S_HUB75.build_flags}
+  -D WLED_RELEASE_NAME=esp32_16MB_V4_S
+lib_deps = ${esp32_4MB_V4_S_base.esp32_lib_deps}
+    ${common_mm.animartrix_lib_deps}
+lib_ignore = 
+    ${common_mm.HUB75_lib_ignore}  ;; remove HUB driver dependancy
+
+
 ; compiled with ESP-IDF 4.4.1; HUB75 included (may have PIN conflicts)
-[env:esp32_16MB_V4_M]
+[env:esp32_16MB_V4_M_HUB75]
 extends = esp32_4MB_V4_M_base
 build_flags = ${esp32_4MB_V4_M_base.esp32_build_flags}
-  -D WLED_RELEASE_NAME=esp32_16MB_V4_M
+  -D WLED_RELEASE_NAME=esp32_16MB_V4_M_HUB75
   -D WLED_WATCHDOG_TIMEOUT=0 #-D WLED_DISABLE_BROWNOUT_DET
   -D ARDUINO_USB_CDC_ON_BOOT=0 ; needed for arduino-esp32 >=2.0.4; avoids errors on startup
   ;; -D WLED_ENABLE_DMX ;; disabled because it does not work with ESP-IDF 4.4.x (buggy driver in SparkFunDMX)
@@ -2070,6 +2116,22 @@ board_build.partitions = ${esp32.extreme_partitions} ;; WLED extended for 16MB f
 ; RAM:   [===       ]  25.7% (used 84104 bytes from 327680 bytes)
 ; Flash: [========  ]  80.7% (used 1692269 bytes from 2097152 bytes)
 
+;; same as above, but without HUB75 driver - better for I2S audio input
+[env:esp32_16MB_V4_M]
+extends = env:esp32_16MB_V4_M_HUB75
+build_unflags = ${env:esp32_16MB_V4_M_HUB75.build_unflags}
+  -D WLED_RELEASE_NAME=esp32_16MB_V4_M_HUB75
+  -D WLED_ENABLE_HUB75MATRIX ;; remove HUB driver
+  -D WLEDMM_SLOWPATH         ;; not necessary without HUB75
+  -D SR_DMTYPE=254           ;; not necessary without HUB75
+build_flags = ${env:esp32_16MB_V4_M_HUB75.build_flags}
+  -D WLED_RELEASE_NAME=esp32_16MB_V4_M
+lib_deps = ${esp32_4MB_V4_M_base.esp32_lib_deps}
+    ${common_mm.animartrix_lib_deps}
+lib_ignore = 
+    ${common_mm.HUB75_lib_ignore}  ;; remove HUB driver dependancy
+
+
 [env:esp32_16MB_V4_M_debug]
 extends = esp32_4MB_V4_M_base
 build_unflags = ${common.build_unflags}

wled00/FX.cpp

@@ -3012,24 +3012,29 @@ static const char _data_FX_MODE_TRI_STATIC_PATTERN[] PROGMEM = "Solid Pattern Tr
 
 uint16_t spots_base(uint16_t threshold)
 {
-  if (SEGLEN == 1) return mode_oops();
+  if (SEGLEN <= 1) return mode_oops();
   if (!SEGMENT.check2) SEGMENT.fill(SEGCOLOR(1));
 
-  uint16_t maxZones = SEGLEN >> 2;
+  // constants for fixed point scaling
-  uint16_t zones = 1 + ((SEGMENT.intensity * maxZones) >> 8);
+  constexpr uint8_t  ZONELEN_FP_SHIFT = 3;
-  uint16_t zoneLen = SEGLEN / zones;
+  constexpr uint32_t ZONELEN_FP_SCALE = 1U << ZONELEN_FP_SHIFT;
-  uint16_t offset = (SEGLEN - zones * zoneLen) >> 1;
 
-  for (int z = 0; z < zones; z++)
+  unsigned maxZones = max(1, SEGLEN >> 2); // prevents "0 zones"
+  unsigned zones    = 1U + ((uint32_t(SEGMENT.intensity) * maxZones) >> 8);
+  unsigned zoneLen  =  uint32_t(SEGLEN) / zones;
+  unsigned zoneLen8 = (uint32_t(SEGLEN) * ZONELEN_FP_SCALE) / zones; // zoneLength * 8 (fixed‑point) -> avoids gaps at right/left sides
+  unsigned offset   = (uint32_t(SEGLEN) - ((zones * zoneLen8) >> ZONELEN_FP_SHIFT)) >> 1;
+
+  for (unsigned z = 0; z < zones; z++)
   {
-    uint16_t pos = offset + z * zoneLen;
+    unsigned pos = offset + ((z * zoneLen8) >> ZONELEN_FP_SHIFT);
-    for (int i = 0; i < zoneLen; i++)
+    for (unsigned i = 0; i < zoneLen; i++)
     {
-      uint16_t wave = triwave16((i * 0xFFFF) / zoneLen);
+      unsigned wave = triwave16((i * 0xFFFF) / zoneLen);
       if (wave > threshold) {
-        uint16_t index = 0 + pos + i;
+        int index = pos + i;
-        uint8_t s = (wave - threshold)*255 / (0xFFFF - threshold);
+        unsigned s = ((wave - threshold)*255 / (0xFFFF - threshold)) & 0xFF; // & 0xFF prevents overflow in next line
-        SEGMENT.setPixelColor(index, color_blend(SEGMENT.color_from_palette(index, true, PALETTE_SOLID_WRAP, 0), SEGCOLOR(1), 255-s));
+        SEGMENT.setPixelColor(index, color_blend(SEGMENT.color_from_palette(index, true, PALETTE_SOLID_WRAP, 0), SEGCOLOR(1), uint8_t(255-s)));
       }
     }
   }
@@ -3054,7 +3059,7 @@ uint16_t mode_spots_fade()
   uint16_t tr = (t >> 1) + (t >> 2);
   return spots_base(tr);
 }
-static const char _data_FX_MODE_SPOTS_FADE[] PROGMEM = "Spots Fade@Spread,Width,,,,,Overlay;!,!;!";
+static const char _data_FX_MODE_SPOTS_FADE[] PROGMEM = "Spots Fade@Speed,Width,,,,,Overlay;!,!;!";
 
 
 //each needs 12 bytes
@@ -9455,7 +9460,7 @@ uint16_t mode_particlefireworks(void) {
   return FRAMETIME;
 }
 #undef NUMBEROFSOURCES
-static const char _data_FX_MODE_PARTICLEFIREWORKS[] PROGMEM = "PS Fireworks@Launches,Explosion Size,Fuse,Blur,Gravity,Cylinder,Ground,Fast;;!;2;pal=11,ix=200,sx=180,c1=196,c2=0,c3=10,o3=1";
+static const char _data_FX_MODE_PARTICLEFIREWORKS[] PROGMEM = "PS Fireworks@Launches,Explosion Size,Fuse,Blur,Gravity,Cylinder,Ground,Fast;;!;2;pal=11,ix=200,sx=180,c1=196,c2=220,c3=10,o3=1";
 
 /*
   Particle Volcano

wled00/cfg.cpp

@@ -67,7 +67,7 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
   //int ap_pskl = ap[F("pskl")];
 
   CJSON(apChannel, ap[F("chan")]);
-  if (apChannel > 13 || apChannel < 1) apChannel = 1;
+  if (apChannel > 13 || apChannel < 1) apChannel = 6; // reset to default if invalid
 
   CJSON(apHide, ap[F("hide")]);
   if (apHide > 1) apHide = 1;

wled00/data/peek.js

@@ -30,13 +30,15 @@ function peek(c) {
 					ctx.clearRect(0, 0, c.width, c.height); //WLEDMM
 					function colorAmp(color) {
 						if (color == 0) return 0;
-						return 25+225*color/255;
+						//return color; // no enhancement
+						//return 25+225*color/255; // legacy WLEDMM. problem: strong jump from 0 to 25 -> wrong colors
+						return Math.sqrt(color/255) * 255; // Square root provides gentle and jump-free enhancement of lower brightness pixels
 					} //WLEDMM in range 55 - 205
 					for (y=0.5;y<mH;y++) for (x=0.5; x<mW; x++) {
 						if (leds[i]!= 0 || leds[i+1]!= 0 || leds[i+2]!= 0) { //WLEDMM: do not show blacks
 							ctx.fillStyle = `rgb(${colorAmp(leds[i])},${colorAmp(leds[i+1])},${colorAmp(leds[i+2])})`;
 							ctx.beginPath();
-							ctx.arc(x*pPL+lOf, y*pPL, pPL*0.4, 0, 2 * Math.PI);
+							ctx.arc(x*pPL+lOf, y*pPL, pPL*0.45, 0, 2 * Math.PI); // WLEDMM legacy radius was 0.4 -> 0.45
 							ctx.fill();
 						}
 						i+=3;

wled00/data/settings_leds.htm

@@ -17,6 +17,7 @@
 		function gId(n){return d.getElementById(n);}
 		function hideNoIR(){gId("irOnOff2").style.display="none";} //WLEDMM
 		function hideHub75() {
+			window.hub75Hidden = true; // Track that Hub75 should be hidden
 			var s = d.getElementsByTagName("select");
 			for (i=0; i<s.length; i++) {
 				// is the field a LED type?
@@ -464,6 +465,7 @@ ${i+1}:
 <div id="dig${i}a" style="display:inline"><br>Auto-calculate white channel from RGB:<br><select name="AW${i}"><option value=0>None</option><option value=1>Brighter</option><option value=2>Accurate</option><option value=3>Dual</option><option value=4>Max</option></select>&nbsp;</div>
 </div>`;
 				f.insertAdjacentHTML("beforeend", cn);
+				if (window.hub75Hidden) hideHub75(); // remove Hub75 options if not supported
 			}
 			if (n==-1) {
 				o[--i].remove();--i;

wled00/data/settings_um.htm

@@ -10,6 +10,8 @@
 	d.um_p = [];
 	d.rsvd = [];
 	d.ro_gpio = [];
+	d.h_pins = [];
+	d.x_pins = [];
 	var umCfg = {};
 	var pins = [], pinO = [], owner;
 	var loc = false, locip;
@@ -56,6 +58,8 @@
 	// function check(o,k) {}   //WLEDMM not needed as we use dropdowns
 	function getPins(o) {
 		if (isO(o)) {
+			// If this object is a bus instance, extract the "type" field
+			let busType = o.type !== undefined ? o.type : -1;
 			for (const [k,v] of Object.entries(o)) {
 				if (isO(v)) {
 					owner = k;
@@ -63,6 +67,10 @@
 					continue;
 				}
 				if (k.replace("[]","").substr(-3)=="pin") {
+					// Skip pin arrays for special bus types where pin array doesn't contain GPIO numbers, but allow all other entries
+					if (busType >= 80 && busType < 96) continue;    // Network buses - pin array stores IP address
+					if (busType >= 100 && busType <= 110) continue; // HUB75 buses - pin array stores chain length
+
 					if (Array.isArray(v)) {
 						for (var i=0; i<v.length; i++) if (v[i]>=0) { pins.push(v[i]); pinO.push(owner); }
 					} else {
@@ -269,6 +277,8 @@
 					// console.log("pinPost option", c, c.value, d.ro_gpio.includes(c.value));
 					for (let j=0; j<d.ro_gpio.length; j++) if (d.ro_gpio[j] == c.value) c.text += " read only 🟠"; //if (d.ro_gpio.includes(c.value)) not working ???
 					for (let j=0; j<d.rsvd.length; j++) if (d.rsvd[j] == c.value) {c.text += " reserved 🟣"; c.disabled=true;} //now always disabled as post is done last if (d.rsvd.includes(c.value))
+					for (let j=0; j<d.h_pins.length; j++) if (d.h_pins[j] == c.value && c.text.length <= 4) {c.text += " HUB75 🔴"; c.disabled=true;} // HUB75 pins
+					for (let j=0; j<d.x_pins.length; j++) if (d.x_pins[j] == c.value && c.text.length <= 4) {c.text += " DMX 🔴"; c.disabled=true;} // DMX pins
 					//remove pins > max_gpio
 					if (c.value > d.max_gpio) {
 						select.removeChild(c);
@@ -278,7 +288,7 @@
 					//https://www.javascripttutorial.net/javascript-dom/javascript-remove-items-from-a-select-conditionally/
 					if (c.text.length <= 4) c.text += " 🟢"; //2 digit number space and ⍼/⎌. If no reserved/read only/other um, then pin can be freely used (green)
 					for (let jj=0; jj<d.dt_pins.length; jj++) if (d.dt_pins[jj] == c.value) c.text += ((jj<9)?` D${jj}`:((jj==9)?` RX`:` TX`));  //WLEDMM: Add D0-D8, RX/TX to name
-					for (let jj=0; jj<d.a_pins.length; jj++) if (d.a_pins[jj] == c.value) c.text += ` A${jj}`;  //WLEDMM: Add A0-A10
+					for (let jj=0; jj<d.a_pins.length; jj++) if (d.a_pins[jj] == c.value) c.text += `   A${jj}`;  //WLEDMM: Add A0-A10
 				}
 			}
 		}

wled00/udp.cpp

@@ -10,23 +10,9 @@
 #define UDP_IN_MAXSIZE 1472
 #define PRESUMED_NETWORK_DELAY 3 //how many ms could it take on avg to reach the receiver? This will be added to transmitted times
 
-void notify(byte callMode, bool followUp)
+static void do_notify(byte callMode, bool followUp) { // WLEDMM split into two functions, to avoid stack smashing - do_notify needs 1200 bytes on stack
-{
+  // DEBUG_PRINTF("[%8u %s]\tnotify(%d, %s)\tmin stack %d\n", millis(), pcTaskGetTaskName(NULL), callMode, followUp?"true ":"false", uxTaskGetStackHighWaterMark(NULL));
-  if (!udpConnected) return;
+  byte udpOut[WLEDPACKETSIZE] = {0};
-  if (!syncGroups) return;
-  switch (callMode)
-  {
-    case CALL_MODE_INIT:          return;
-    case CALL_MODE_DIRECT_CHANGE: if (!notifyDirect) return; break;
-    case CALL_MODE_BUTTON:        if (!notifyButton) return; break;
-    case CALL_MODE_BUTTON_PRESET: if (!notifyButton) return; break;
-    case CALL_MODE_NIGHTLIGHT:    if (!notifyDirect) return; break;
-    case CALL_MODE_HUE:           if (!notifyHue)    return; break;
-    case CALL_MODE_PRESET_CYCLE:  if (!notifyDirect) return; break;
-    case CALL_MODE_ALEXA:         if (!notifyAlexa)  return; break;
-    default: return;
-  }
-  byte udpOut[WLEDPACKETSIZE];
   Segment& mainseg = strip.getMainSegment();
   udpOut[0] = 0; //0: wled notifier protocol 1: WARLS protocol
   udpOut[1] = callMode;
@@ -150,6 +136,27 @@ void notify(byte callMode, bool followUp)
   notificationCount = followUp ? notificationCount + 1 : 0;
 }
 
+// WLEDMM wrapper function to avoid stack smashing - do_notify needs 1200 bytes on stack, but its not actually sending anything on most notify() calls
+void notify(byte callMode, bool followUp)
+{
+  if (!udpConnected) return;
+  if (!syncGroups) return;
+  switch (callMode)
+  {
+    case CALL_MODE_INIT:          return;
+    case CALL_MODE_DIRECT_CHANGE: if (!notifyDirect) return; break;
+    case CALL_MODE_BUTTON:        if (!notifyButton) return; break;
+    case CALL_MODE_BUTTON_PRESET: if (!notifyButton) return; break;
+    case CALL_MODE_NIGHTLIGHT:    if (!notifyDirect) return; break;
+    case CALL_MODE_HUE:           if (!notifyHue)    return; break;
+    case CALL_MODE_PRESET_CYCLE:  if (!notifyDirect) return; break;
+    case CALL_MODE_ALEXA:         if (!notifyAlexa)  return; break;
+    default: return;
+  }
+  do_notify(callMode, followUp);
+}
+
+
 // WLEDMM cache current main segment: updated in realtimeLock, reset in exitRealtime, used in setRealTimePixel
 static Segment* theMainSeg = nullptr;
 static int theMainSegLength = 0;
@@ -736,6 +743,7 @@ void refreshNodeList()
 void sendSysInfoUDP()
 {
   if (!udp2Connected) return;
+  // DEBUG_PRINTF("[%8u %s]\tsendSysInfoUDP()\tmin stack %d\n", millis(), pcTaskGetTaskName(NULL), uxTaskGetStackHighWaterMark(NULL));
 
   IPAddress ip = Network.localIP();
   if (!ip || ip == IPAddress(255,255,255,255)) ip = IPAddress(4,3,2,1);

wled00/xml.cpp

@@ -287,6 +287,30 @@ void appendGPIOinfo() {
   char a_pins[64]  = { '\0' }; // fix warning: output 45 bytes into a destination of size 30
   snprintf(a_pins, 64, "d.a_pins=[%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d];", pinManager.getADCPin(PM_ADC1, 0), pinManager.getADCPin(PM_ADC1, 1), pinManager.getADCPin(PM_ADC1, 2), pinManager.getADCPin(PM_ADC1, 3), pinManager.getADCPin(PM_ADC1, 4), pinManager.getADCPin(PM_ADC1, 5), pinManager.getADCPin(PM_ADC1, 6), pinManager.getADCPin(PM_ADC1, 7), pinManager.getADCPin(PM_ADC1, 8), pinManager.getADCPin(PM_ADC1, 9), pinManager.getADCPin(PM_ADC1, 10));
   oappend(a_pins);
+
+  // WLEDMM add HUB75 pins, as they are not stored directly in cfg.json
+  strcpy(ro_gpio, "d.h_pins=["); // WLEDMM we re-use this array, instead of creating an addition one; 140 bytes is more than enough for 14 pins.
+  bool isFirstPin = true;
+  for(int pinNr = 0; pinNr < WLED_NUM_PINS; pinNr++) {
+    if ((pinManager.isPinOk(pinNr)) && (pinManager.getPinOwner(pinNr) == PinOwner::HUB75)) {
+      sprintf(pinString, "%s%d", isFirstPin ? "" : ",", pinNr);
+      strcat(ro_gpio, pinString); isFirstPin = false;
+    }
+  }
+  oappend(ro_gpio);
+  oappend(SET_F("];"));
+
+  // WLEDMM same procedure for DMX pins
+  strcpy(ro_gpio, "d.x_pins=["); // WLEDMM we re-use this array, instead of creating an addition one; 140 bytes is more than enough for max 4 pins.
+  isFirstPin = true;
+  for(int pinNr = 0; pinNr < WLED_NUM_PINS; pinNr++) {
+    if ((pinManager.isPinOk(pinNr)) && (pinManager.getPinOwner(pinNr) == PinOwner::DMX || pinManager.getPinOwner(pinNr) == PinOwner::DMX_INPUT)) {
+      sprintf(pinString, "%s%d", isFirstPin ? "" : ",", pinNr);
+      strcat(ro_gpio, pinString); isFirstPin = false;
+    }
+  }
+  oappend(ro_gpio);
+  oappend(SET_F("];"));
 }
 
 //get values for settings form in javascript