text: //*****************************************************************************
  //! @file       usb.h
  //! @brief      USB low level function header.
  //!
  //! Revised     $Date: 2013-02-25 14:00:56 +0100 (Mon, 25 Feb 2013) $
  //! Revision    $Revision: 9379 $
  //
  //  Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
  //
  //
  //  Redistribution and use in source and binary forms, with or without
  //  modification, are permitted provided that the following conditions
  //  are met:
  //
  //    Redistributions of source code must retain the above copyright
  //    notice, this list of conditions and the following disclaimer.
  //
  //    Redistributions in binary form must reproduce the above copyright
  //    notice, this list of conditions and the following disclaimer in the
  //    documentation and/or other materials provided with the distribution.
  //
  //    Neither the name of Texas Instruments Incorporated nor the names of
  //    its contributors may be used to endorse or promote products derived
  //    from this software without specific prior written permission.
  //
  //  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  //  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  //  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  //  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  //  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  //  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  //  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  //  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  //  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  //  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  //  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  //****************************************************************************/
  
  #ifndef __USB_H__
  #define __USB_H__
  
  #include "hw_types.h"
  #include "hw_ints.h"
  #include "hw_memmap.h"
  #include "hw_sys_ctrl.h"
  #include "hw_usb.h"
  
  
  void UsbEnable(void);
  void UsbPllEnable(void);
  void UsbPllDisable(void);
  void UsbDplusPullUpEnable(void);
  void UsbDplusPullUpDisable(void);
  void UsbWaitForXoscStable(void);
  
  void CPUwfe(void);
  void CPUsev(void);
  
  
  #endif // __USB_H__
  