TM1814 requires refreshes to remain powered off and a slightly faster refresh speed.

wled00/FX.cpp

@@ -34,7 +34,7 @@
  */
 uint16_t WS2812FX::mode_static(void) {
   fill(SEGCOLOR(0));
-  return (SEGMENT.getOption(SEG_OPTION_TRANSITIONAL)) ? FRAMETIME : 380; //update faster if in transition
+  return (SEGMENT.getOption(SEG_OPTION_TRANSITIONAL)) ? FRAMETIME : 350; //update faster if in transition
 }
 
 

wled00/FX.h

@@ -606,6 +606,7 @@ class WS2812FX {
 
     bool
       isRgbw = false,
+      isOffRefreshRequred = false, //periodic refresh is required for the strip to remain off.
       gammaCorrectBri = false,
       gammaCorrectCol = true,
       applyToAllSelected = true,

wled00/bus_manager.h

@@ -399,6 +399,11 @@ class BusManager {
     return false;
   }
 
+  //Return true if the strip requires a refresh to stay off.
+  static bool isOffRefreshRequred(uint8_t type) {
+    return type == TYPE_TM1814;
+  }
+
   private:
   uint8_t numBusses = 0;
   Bus* busses[WLED_MAX_BUSSES];

wled00/cfg.cpp

@@ -128,6 +128,8 @@ void deserializeConfig() {
     bool reversed = elm["rev"];
     //RGBW mode is enabled if at least one of the strips is RGBW
     strip.isRgbw = (strip.isRgbw || BusManager::isRgbw(ledType));
+    //refresh is required to remain off if at least one of the strips requires the refresh.
+    strip.isOffRefreshRequred |= BusManager::isOffRefreshRequred(ledType);
     s++;
     BusConfig bc = BusConfig(ledType, pins, start, length, colorOrder, reversed);
     mem += busses.memUsage(bc);

wled00/wled.cpp

@@ -221,7 +221,7 @@ void WLED::loop()
 
     yield();
 
-    if (!offMode)
+    if (!offMode || strip.isOffRefreshRequred)
       strip.service();
 #ifdef ESP8266
     else if (!noWifiSleep)