#if CONFIG_FREERTOS_UNICORE
#define ESP32_RUNNING_CORE 0
#else
#define ESP32_RUNNING_CORE 1
#endif

// Performing some mundane tasks
void testTask(void *parameter)
{
  while(1)
  {
    int a;
    int b[100];
  
  // Using non-optimized array in the compiler
  for(int i=0;i<100;i++)
  {
    b[i] = a+1;
  }
  Serial.println(b[0]);
  // Print out remaining stack memory words
  Serial.print("High Water mark(Words)");
  Serial.println(uxTaskGetStackHighWaterMark(NULL));

  //Print out number of free heap memory bytes before malloc
  Serial.print("Heap before malloc (bytes): ");
  Serial.println(xPortGetFreeHeapSize());

  int *ptr = (int*)pvPortMalloc(1024*sizeof(int));
  for (int i=0;i<1024;i++)
  {
    ptr[i]=3;
  }
  // Print out number of free heap memory bytes after malloc
  Serial.print("Heap after malloc(bytes)");
  Serial.println(xPortGetFreeHeapSize());


  // Free up the port memory
  vPortFree(ptr);

  vTaskDelay(1000/portTICK_PERIOD_MS);
  
  //Wait for the delay
  

  }
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  // Adding a delay, so Serial output is not missed
  vTaskDelay(1000/portTICK_PERIOD_MS);
  Serial.println();
  Serial.println("------FreeRTOS memory demo------");
  xTaskCreatePinnedToCore(
    testTask,
    "Test Task",
    1506,
    NULL,
    1,
    NULL,
    ESP32_RUNNING_CORE);
    vTaskDelete(NULL);

  // Delete "setup and loop" task
  vTaskDelete(NULL);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}