Add ability to set presets from DMX

(effect mode with single channel)

Author: Aircoookie

wled00/e131.cpp

@@ -111,7 +111,7 @@ void handleE131Packet(e131_packet_t* p, IPAddress clientIP, byte protocol){
       return;  // nothing to do
       break;
 
-    case DMX_MODE_SINGLE_RGB:
+    case DMX_MODE_SINGLE_RGB: // RGB only
       if (uni != e131Universe) return;
       if (dmxChannels-DMXAddress+1 < 3) return;
       realtimeLock(realtimeTimeoutMs, mde);
@@ -121,7 +121,7 @@ void handleE131Packet(e131_packet_t* p, IPAddress clientIP, byte protocol){
         setRealtimePixel(i, e131_data[DMXAddress+0], e131_data[DMXAddress+1], e131_data[DMXAddress+2], wChannel);
       break;
 
-    case DMX_MODE_SINGLE_DRGB:
+    case DMX_MODE_SINGLE_DRGB: // Dimmer + RGB
       if (uni != e131Universe) return;
       if (dmxChannels-DMXAddress+1 < 4) return;
       realtimeLock(realtimeTimeoutMs, mde);
@@ -136,9 +136,13 @@ void handleE131Packet(e131_packet_t* p, IPAddress clientIP, byte protocol){
         setRealtimePixel(i, e131_data[DMXAddress+1], e131_data[DMXAddress+2], e131_data[DMXAddress+3], wChannel);
       break;
 
-    case DMX_MODE_EFFECT:
+    case DMX_MODE_EFFECT: // Length 1: Apply Preset ID, length 11-13: apply effect config
       if (uni != e131Universe) return;
-      if (dmxChannels-DMXAddress+1 < 11) return;
+      if (dmxChannels-DMXAddress+1 < 11) {
+        if (dmxChannels-DMXAddress+1 > 1) return;
+        applyPreset(e131_data[DMXAddress+0], CALL_MODE_NOTIFICATION);
+        return;
+      }
       if (DMXOldDimmer != e131_data[DMXAddress+0]) {
         DMXOldDimmer = e131_data[DMXAddress+0];
         bri = e131_data[DMXAddress+0];