Moved flash code to seperate core

src/main.cpp

@@ -110,6 +110,40 @@ void callback(char *topic, byte *payload, unsigned int length)
     }
 }
 
+TaskHandle_t FlashTask;
+
+unsigned long previousFlashMillis = 0;
+bool lastMotionState;
+
+void FlashTaskCode(void *parameter)
+{
+    while (true)
+    {
+        unsigned long currentMillis = millis();
+
+        if (currentMillis - previousFlashMillis >= 100 && flashTriggeredLed)
+        {
+            digitalWrite(led_pin, !flashStatus);
+            flashStatus = !flashStatus;
+            previousFlashMillis = currentMillis;
+        }
+
+        if (currentMillis - previousFlashMillis >= 1000 && flashArmingLed && flashStatus == 0)
+        {
+            digitalWrite(led_pin, 0);
+            flashStatus = (flashStatus + 1) % 6;
+            previousFlashMillis = currentMillis;
+        }
+
+        if (currentMillis - previousFlashMillis >= 100 && flashArmingLed && flashStatus > 0)
+        {
+            digitalWrite(led_pin, flashStatus % 2 == 0);
+            flashStatus = (flashStatus + 1) % 6;
+            previousFlashMillis = currentMillis;
+        }
+    }
+}
+
 void setup()
 {
     Serial.begin(115200);
@@ -125,6 +159,15 @@ void setup()
     setup_wifi();
     client.setServer(mqtt_server, 1883);
     client.setCallback(callback);
+
+    xTaskCreatePinnedToCore(
+        FlashTaskCode, /* Function to implement the task */
+        "FlashTask",   /* Name of the task */
+        10000,         /* Stack size in words */
+        NULL,          /* Task input parameter */
+        0,             /* Priority of the task */
+        &FlashTask,    /* Task handle. */
+        0);            /* Core where the task should run */
 }
 
 #define SOUND_MEASURE_INTERVAL 1000 * 10
@@ -134,9 +177,6 @@ void setup()
 unsigned long previousTemperatureMillis = 0;
 unsigned long previousSoundMillis = 0;
 unsigned long previousHighestSoundMillis = 0;
-unsigned long previousFlashMillis = 0;
-
-bool lastMotionState;
 
 uint16_t highestSound = 0;
 uint16_t runningAverageSound = 0;
@@ -154,27 +194,6 @@ void loop()
 
     unsigned long currentMillis = millis();
 
-    if (currentMillis - previousFlashMillis >= 100 && flashTriggeredLed)
-    {
-        digitalWrite(led_pin, !flashStatus);
-        flashStatus = !flashStatus;
-        previousFlashMillis = currentMillis;
-    }
-
-    if (currentMillis - previousFlashMillis >= 1000 && flashArmingLed && flashStatus == 0)
-    {
-        digitalWrite(led_pin, 0);
-        flashStatus = (flashStatus + 1) % 6;
-        previousFlashMillis = currentMillis;
-    }
-
-    if (currentMillis - previousFlashMillis >= 100 && flashArmingLed && flashStatus > 0)
-    {
-        digitalWrite(led_pin, flashStatus % 2 == 0);
-        flashStatus = (flashStatus + 1) % 6;
-        previousFlashMillis = currentMillis;
-    }
-
     if (currentMillis - previousTemperatureMillis >= TEMP_MEASURE_INTERVAL)
     {
         // save the last time you blinked the LED