 
 void check_timer(){
   unsigned long now = millis();
+  Serial.println(now);
+  Serial.println(raspy_timer[0]);
   if(raspy_timer[0] > 0 && now > raspy_timer[0]){
       Serial.println("Timer1 ignition");
       wakeup_by_timer();

            digitalWrite(pin_shutdown,HIGH);
          }
        }else{
          if(shtdwn_delay_count>20*30){ //50*20 * 30 msec (30sec)
            raspi_stat = RPI_STAT_SHUTDOWN;
            Serial.println("*** TURN OFF power successfully ***");
            turn_off();

      }
      break;
    case RPI_STAT_RUNNING:
      if(loop_count % 20 == 0){ check_expired_timer(); }
      break;
    case RPI_STAT_WAIT_SHUTDOWN:
      static int shtdwn_delay_count=0;
