#include <Arduino_FreeRTOS.h>

/*led pins
RED - PD5
BLUE - PD6
YELLOW -PD7
*/

#define RED   (1<<5)
#define BLUE  (1<<6)
#define YELLOW (1<<7)

void setup(){
  //set port D led pins as output pins
  DDRD |= RED|BLUE|YELLOW;

  //start serial monitor
  Serial.begin(9600);
  Serial.print("Started");

  //Create tasks
  xTaskCreate(red_led_task1, "red led", 128, NULL, 1, NULL);
  xTaskCreate(blue_led_task2, "blue led", 128, NULL, 1, NULL);
  xTaskCreate(yellow_led_task3, "yellow led", 128, NULL, 1, NULL);
}

void red_led_task1(void *pvParameters){
  
  while(1){
    PORTD ^= RED; 
    vTaskDelay(pdMS_TO_TICKS(1000));
    Serial.println("Task - 1");
  }
}

void blue_led_task2(void *pvParameters){ 
  while(1){
    PORTD ^= BLUE; 
    vTaskDelay(pdMS_TO_TICKS(1000));
    Serial.println("Task - 2");
  }
}

void yellow_led_task3(void *pvParameters){
  while(1){
    PORTD ^= YELLOW; 
    vTaskDelay(pdMS_TO_TICKS(1000));
    Serial.println("Task - 3");
  }
}

void loop(){}