#include <Arduino_FreeRTOS.h>
#include "semphr.h"
#include "task.h"
#define  LED  13
SemaphoreHandle_t xBinarySemaphore;
void setup()
{
  Serial.begin(9600);
  pinMode(LED ,OUTPUT);
  xBinarySemaphore = xSemaphoreCreateBinary();
  xTaskCreate(LedOnTask, "LedON",100,NULL,1,NULL);
  xTaskCreate(LedoffTask, "LedOFF", 100,NULL,1,NULL);
  xSemaphoreGive( xBinarySemaphore );
}

void loop(){}
void LedOnTask(void *pvParameters)
{
  while(1)
  {
    if(xSemaphoreTake(xBinarySemaphore,portTICK_PERIOD_MS) == pdTRUE)
    {
      Serial.println("Inside LedOnTask");
      digitalWrite(LED,HIGH);
      vTaskDelay(66);
      xSemaphoreGive(xBinarySemaphore);
    }
    vTaskDelay(1);
  }
}
void LedoffTask(void *pvParameters)
{
  while(1)
  {
    if(xSemaphoreTake(xBinarySemaphore,portTICK_PERIOD_MS) == pdTRUE)
    {
      Serial.println("Inside LedoffTask");
      digitalWrite(LED,LOW);
      vTaskDelay(66);
      xSemaphoreGive(xBinarySemaphore);
    }
    vTaskDelay(1);
  }
}