//FreeRTOS library:
#include <Arduino_FreeRTOS.h>
#define sensorPin  A0

void setup() {


  /*
    Create 3 tasks with labels 'Task_1', 'Task_2' and 'Task_3' and
    assign the priority as 1, 2 and 3 respectively.
  */
  //'Neutral_Task' - the task-free function!
  xTaskCreate(Task_1, "Task no. 1!", 100, NULL, 1, NULL);
  xTaskCreate(Task_2, "Task no.  2!", 100, NULL, 2, NULL);
  xTaskCreate(Task_3, "Task no.  3!", 100, NULL, 3, NULL);
  xTaskCreate(Neutral_Task, "Neutral_Task!", 100, NULL, 0, NULL);
}

//The following function is Task1. We display the task label on Serial monitor.
static void Task_1(void* pvParameters) {
  while (1) {

    Serial.println(F("Task no. 1!"));
    vTaskDelay(1000 / portTICK_PERIOD_MS);
  }
}

//Task 2
static void Task_2(void* pvParameters) {
  while (1) {

    Serial.println(F("Task no. 2!"));
    vTaskDelay(1100 / portTICK_PERIOD_MS);
  }
}

//Task 3
static void Task_3(void* pvParameters) {
  while (1) {
    Serial.println(F("Task no. 3!"));
    vTaskDelay(1200 / portTICK_PERIOD_MS);
  }
}

//Task 4 (the last one)!
//This is an extension which can be task-free!
static void Neutral_Task(void* pvParameters) {
  while (1) {
    Serial.println(F("Neutral_Task"));
    delay(1300);
  }
}

//We don't need to use "loop" function here!
void loop() {}