Fix resetting the timer also when the status hasn't changed

src/main.cpp

@@ -111,6 +111,13 @@ void loop() {
   // This out pin triggering is dependent not only on movement, but also on light levels which can be configured in the app. 
   // I set it to 255 and "below" - this triggered it for me.....  
   //send_mqtt("occupancy_state_debug", currentState);
+
+  // When occupancy is detected, reset the timer
+  if (currentState == HIGH) {
+    previousMotionMillis=millis();
+  }
+
+  // Send messages only on status change, we don't want to flood the network...
   if (currentState != previousState) {
     Serial.print("Status changed; currentState: ");
     Serial.print(currentState);
@@ -119,14 +126,14 @@ void loop() {
     if (currentState == HIGH) {
       send_mqtt("motion");  
       digitalWrite(LED_BUILTIN,HIGH);
-      previousMotionMillis=millis();
     } else {
-      send_mqtt("no_motion_ignore");
+      send_mqtt("no_motion_immediate");
       digitalWrite(LED_BUILTIN,LOW);
     }
     previousState = currentState;
   }
 
+  // Send no_motion messages every minute, indicating how long we didn't see occupancy
   const int secondsPerMinute=60;
   long minutesSinceLastMotion=(millis()-previousMotionMillis)/(millisPerSecond*secondsPerMinute);
   if ((previousNoMoNotifyMinutes != minutesSinceLastMotion) && (0 != minutesSinceLastMotion)) {
@@ -134,5 +141,5 @@ void loop() {
     previousNoMoNotifyMinutes = minutesSinceLastMotion;
   }
 
-  delay(100);
+  delay(50);
 }