/*
              LUFA Library
-     Copyright (C) Dean Camera, 2012.
+     Copyright (C) Dean Camera, 2013.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2013  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
   advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 
-  The author disclaim all warranties with regard to this
+  The author disclaims all warranties with regard to this
   software, including all implied warranties of merchantability
   and fitness.  In no event shall the author be liable for any
   special, indirect or consequential damages or any damages
        {
                /* Turn off the watchdog */
                MCUSR &= ~(1<<WDRF);
-               wdt_disable(); 
+               wdt_disable();
 
                /* Clear the boot key and jump to the user application */
                MagicBootKey = 0;
        /* Shut down the USB and other board hardware drivers */
        USB_Disable();
        LEDs_Disable();
-       
+
        /* Disable Bootloader active LED toggle timer */
        TIMSK1 = 0;
        TCCR1B = 0;
                case DFU_REQ_GETSTATUS:
                        Endpoint_ClearSETUP();
 
+                       while (!(Endpoint_IsINReady()))
+                       {
+                               if (USB_DeviceState == DEVICE_STATE_Unattached)
+                                 return;
+                       }
+
                        /* Write 8-bit status value */
                        Endpoint_Write_8(DFU_Status);
 
                case DFU_REQ_GETSTATE:
                        Endpoint_ClearSETUP();
 
+                       while (!(Endpoint_IsINReady()))
+                       {
+                               if (USB_DeviceState == DEVICE_STATE_Unattached)
+                                 return;
+                       }
+
                        /* Write the current device state to the endpoint */
                        Endpoint_Write_8(DFU_State);