#include "driverlib/hibernate.c"
boolean redstate = false;
boolean bluestate = false;
void setup()
{
  // put your setup code here, to run once:
  pinMode(RED_LED, OUTPUT);
  pinMode(BLUE_LED, OUTPUT);
  HibernateEnableExpClk(F_CPU);
  HibernateRTCEnable();
  HibernateRTCMatchSet(0,HibernateRTCGet()+1);
  HibernateIntRegister(HibernateHandler);
  HibernateIntEnable(HIBERNATE_INT_RTC_MATCH_0);
}

void HibernateHandler(void)
{
  //Use this to reset interrupt flag
  uint32_t ui32Status = HibernateIntStatus(1);
  HibernateIntClear(ui32Status);
  //Place here code to execute every second, ex: LCD or 7 segment display
  //Altough it should be as fastest as possible
  redstate = !redstate;

  //To keep the interrupt hapening every second you need this
  HibernateRTCMatchSet(0,HibernateRTCGet()+1);
}

void loop()
{
  // put your main code here, to run repeatedly:
  bluestate = !bluestate;
  digitalWrite(RED_LED, redstate);
  if (bluestate) {
    analogWrite(BLUE_LED, 64);
  }
  else {
    analogWrite(BLUE_LED, 0);
  }
  delay(750);
}