text: /**
   * \file
   *
   * \brief SAM Reset related functionality
   *
   * Copyright (C) 2014 Atmel Corporation. All rights reserved.
   *
   * \asf_license_start
   *
   * \page License
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice,
   *    this list of conditions and the following disclaimer.
   *
   * 2. 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.
   *
   * 3. The name of Atmel may not be used to endorse or promote products derived
   *    from this software without specific prior written permission.
   *
   * 4. This software may only be redistributed and used in connection with an
   *    Atmel microcontroller product.
   *
   * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
   * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
   *
   * \asf_license_stop
   *
   */
   /**
   * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
   */
  #ifndef RESET_H_INCLUDED
  #define RESET_H_INCLUDED
  
  #include <sys/compiler.h>
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /**
   * \addtogroup asfdoc_sam0_system_group
   * @{
   */
  
  /**
   * \brief Reset causes of the system.
   *
   * List of possible reset causes of the system.
   */
  enum system_reset_cause {
  	/** The system was last reset by a software reset. */
  	SYSTEM_RESET_CAUSE_SOFTWARE       = PM_RCAUSE_SYST,
  	/** The system was last reset by the watchdog timer. */
  	SYSTEM_RESET_CAUSE_WDT            = PM_RCAUSE_WDT,
  	/** The system was last reset because the external reset line was pulled low. */
  	SYSTEM_RESET_CAUSE_EXTERNAL_RESET = PM_RCAUSE_EXT,
  	/** The system was last reset by the BOD33. */
  	SYSTEM_RESET_CAUSE_BOD33          = PM_RCAUSE_BOD33,
  	/** The system was last reset by the BOD12. */
  	SYSTEM_RESET_CAUSE_BOD12          = PM_RCAUSE_BOD12,
  	/** The system was last reset by the POR (Power on reset). */
  	SYSTEM_RESET_CAUSE_POR            = PM_RCAUSE_POR,
  };
  
  
  /**
   * \name Reset Control
   * @{
   */
  
  /**
   * \brief Reset the MCU.
   *
   * Resets the MCU and all associated peripherals and registers, except RTC, all 32kHz sources,
   * WDT (if ALWAYSON is set) and GCLK (if WRTLOCK is set).
   *
   */
  static inline void system_reset(void)
  {
  	NVIC_SystemReset();
  }
  
  /**
   * \brief Return the reset cause.
   *
   * Retrieves the cause of the last system reset.
   *
   * \return An enum value indicating the cause of the last system reset.
   */
  static inline enum system_reset_cause system_get_reset_cause(void)
  {
  	return (enum system_reset_cause)PM->RCAUSE.reg;
  }
  
  /**
   * @}
   */
  
  /** @} */
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* RESET_H_INCLUDED */
  