#include <Arduino_FreeRTOS.h>

void TaskBlink1( void *pvParameters );

void TaskBlink2( void *pvParameters );

void Taskprint( void *pvParameters );

void setup() {

  // initialize serial communication at 9600 bits per second:

  Serial.begin(9600);

  xTaskCreate(
    TaskBlink1,  
    "task1",
    128,  
    NULL,
    1,
    NULL );

  xTaskCreate(
    TaskBlink2,  
    "task2",
    128,  
    NULL,
    1,
    NULL );

  xTaskCreate(
    Taskprint,  
    "task3",
    128,  
    NULL,
    1,
    NULL );

  vTaskStartScheduler();
}

void loop()

{

}

void TaskBlink1(void *pvParameters)  {

  pinMode(8, OUTPUT);

  while(1){
    Serial.println("Task1");
    digitalWrite(8, HIGH);   
    vTaskDelay( 200 / portTICK_PERIOD_MS ); 
    digitalWrite(8, LOW);    
    vTaskDelay( 200 / portTICK_PERIOD_MS ); 
  }
}

void TaskBlink2(void *pvParameters){

  pinMode(7, OUTPUT);

  while(1){
    Serial.println("Task2");
    digitalWrite(7, HIGH);   
    vTaskDelay( 300 / portTICK_PERIOD_MS ); 
    digitalWrite(7, LOW);   
    vTaskDelay( 300 / portTICK_PERIOD_MS ); 
  }
}

void Taskprint(void *pvParameters)  {
  
  int counter = 0;
  
  while(1){
  counter++;
  Serial.println(counter); 
  vTaskDelay(500 / portTICK_PERIOD_MS);    
  }
}