/***************************************************************************//** * @file em_cryotimer.c * @brief Ultra Low Energy Timer/Counter (CRYOTIMER) peripheral API * @version 4.2.1 ******************************************************************************* * @section License * <b>(C) Copyright 2015 Silicon Labs, 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) */