/**************************************************************************//**
 * @file     system_ARMCM0.h
 * @brief    CMSIS Device System Header File for
 *           ARMCM0 Device Series
 * @version  V2.00
 * @date     18. August 2015
 ******************************************************************************/
/* Copyright (c) 2011 - 2015 ARM LIMITED

   All rights reserved.
   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 ARM 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 COPYRIGHT HOLDERS AND CONTRIBUTORS BE
   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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   ---------------------------------------------------------------------------*/


#ifndef SYSTEM_ARMCM0_H
#define SYSTEM_ARMCM0_H

#ifdef __cplusplus
extern "C" {
#endif

extern uint32_t SystemCoreClock;     /*!< System Clock Frequency (Core Clock)  */


/** @brief Setup the microcontroller system.

    Initialize the System and update the SystemCoreClock variable.
 */
extern void SystemInit (void);


/** \brief  Update SystemCoreClock variable.

    Updates the SystemCoreClock with current core Clock
    retrieved from cpu registers.
 */
extern void SystemCoreClockUpdate (void);

#ifdef __cplusplus
}
#endif

#endif /* SYSTEM_ARMCM0_H */