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RIOT/cpu/k60/include/system_MK60D10.h 1.67 KB
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  /*
   * Copyright (C) 2015 Eistec AB
   *
   * This file is subject to the terms and conditions of the GNU Lesser General
   * Public License v2.1. See the file LICENSE in the top level directory for more
   * details.
   */
  
  #ifndef SYSTEM_MK60D10_H_
  #define SYSTEM_MK60D10_H_
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #include <stdint.h>
  
  /**
   * @ingroup         cpu_k60
   * @{
   *
   * @file
   * @brief Device specific configuration file for MK60D10 (header file)
   */
  
  
  /**
   * \brief Current core clock frequency
   *
   * MCGOUTCLK divided by OUTDIV1 clocks the ARM Cortex-M4 core.
   */
  extern uint32_t SystemCoreClock;
  
  /**
   * \brief Current system clock frequency
   *
   * MCGOUTCLK divided by OUTDIV1 clocks the crossbar switch and bus masters
   * directly connected to the crossbar. In addition, this clock is used for UART0
   * and UART1.
   */
  extern uint32_t SystemSysClock;
  
  /**
   * \brief Current bus clock frequency
   *
   * MCGOUTCLK divided by OUTDIV2 clocks the bus slaves and peripheral (excluding
   * memories).
   */
  extern uint32_t SystemBusClock;
  
  /**
   * \brief Current FlexBus clock frequency
   *
   * MCGOUTCLK divided by OUTDIV3 clocks the external FlexBus interface.
   */
  extern uint32_t SystemFlexBusClock;
  
  /**
   * \brief Current flash clock frequency
   *
   * MCGOUTCLK divided by OUTDIV4 clocks the flash memory.
   */
  extern uint32_t SystemFlashClock;
  
  /**
   * \brief Updates all of the SystemCoreClock variables.
   *
   * It must be called whenever the core clock is changed during program
   * execution. SystemCoreClockUpdate() evaluates the clock register settings and
   * calculates the current core clock.
   */
  void SystemCoreClockUpdate(void);
  
  /** @} */
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif  /* #if !defined(SYSTEM_MK60D10_H_) */