WS2812 and great rpm improvements

src/receiver.cpp

@@ -66,7 +66,11 @@ int fanMode = FANS_AUTO;
 void setBoardOptions(uint8_t options) {
   Serial.print("opt: ");
   Serial.println(options, BIN);
-  lightActive = options & 1;
+  if(lightActive != options & 1) {
+    lightActive = options & 1;
+    shouldUpdateLights = true;
+  }
+
   fanMode = (options >> 2) & 3;
 }
 
@@ -276,6 +280,9 @@ void setup() {
 
   sensors.begin();
 
+  setupLights();
+  lightOff();
+
   xTaskCreatePinnedToCore(
     measureRpm,
     "rpm task",
@@ -336,4 +343,5 @@ void loop() {
 
   checkTemperature();
   checkVoltage();
+  if(shouldUpdateLights) updateLights();
 }