text: /***************************************************************************//**
   * @file em_cryotimer.c
   * @brief Ultra Low Energy Timer/Counter (CRYOTIMER) peripheral API
   * @version 5.2.2
   *******************************************************************************
   * # License
   * <b>Copyright 2016 Silicon Laboratories, Inc. http://www.silabs.com</b>
   *******************************************************************************
   *
   * Permission is granted to anyone to use this software for any purpose,
   * including commercial applications, and to alter it and redistribute it
   * freely, subject to the following restrictions:
   *
   * 1. The origin of this software must not be misrepresented; you must not
   *    claim that you wrote the original software.@n
   * 2. Altered source versions must be plainly marked as such, and must not be
   *    misrepresented as being the original software.@n
   * 3. This notice may not be removed or altered from any source distribution.
   *
   * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
   * obligation to support this Software. Silicon Labs is providing the
   * Software "AS IS", with no express or implied warranties of any kind,
   * including, but not limited to, any implied warranties of merchantability
   * or fitness for any particular purpose or warranties against infringement
   * of any proprietary rights of a third party.
   *
   * Silicon Labs will not be liable for any consequential, incidental, or
   * special damages, or any other relief, or for any claim by any third party,
   * arising from your use of this Software.
   *
   ******************************************************************************/
  
  #include "em_cryotimer.h"
  #include "em_bus.h"
  
  #if defined(CRYOTIMER_PRESENT) && (CRYOTIMER_COUNT == 1)
  
  /***************************************************************************//**
   * @brief
   *   Initialize the CRYOTIMER.
   *
   * @details
   *   Use this function to initialize the CRYOTIMER.
   *   Select prescaler setting and select low frequency oscillator.
   *   Refer to the configuration structure @ref CRYOTIMER_Init_TypeDef for more
   *   details.
   *
   * @param[in] init
   *   Pointer to initialization structure.
   ******************************************************************************/
  void CRYOTIMER_Init(const CRYOTIMER_Init_TypeDef *init)
  {
    CRYOTIMER->PERIODSEL = (uint32_t)init->period & _CRYOTIMER_PERIODSEL_MASK;
    CRYOTIMER->CTRL = ((uint32_t)init->enable << _CRYOTIMER_CTRL_EN_SHIFT)
                      | ((uint32_t)init->debugRun << _CRYOTIMER_CTRL_DEBUGRUN_SHIFT)
                      | ((uint32_t)init->osc << _CRYOTIMER_CTRL_OSCSEL_SHIFT)
                      | ((uint32_t)init->presc << _CRYOTIMER_CTRL_PRESC_SHIFT);
    CRYOTIMER_EM4WakeupEnable(init->em4Wakeup);
  }
  
  #endif /* defined(CRYOTIMER_PRESENT) && (CRYOTIMER_COUNT > 0) */
  