| /***************************************************************************//** |
| * @file em_cryotimer.c |
| * @brief Ultra Low Energy Timer/Counter (CRYOTIMER) peripheral API |
| * @version 5.6.0 |
| ******************************************************************************* |
| * # License |
| * <b>Copyright 2016 Silicon Laboratories, Inc. 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 a prescaler setting and select a low-frequency oscillator. |
| * See the configuration structure @ref CRYOTIMER_Init_TypeDef for more |
| * details. |
| * |
| * @param[in] init |
| * A pointer to the initialization structure. |
| ******************************************************************************/ |
| void CRYOTIMER_Init(const CRYOTIMER_Init_TypeDef *init) |
| { |
| CRYOTIMER->PERIODSEL = (uint32_t)init->period & _CRYOTIMER_PERIODSEL_MASK; |
| CRYOTIMER->CTRL = ((init->enable ? 1UL : 0UL) << _CRYOTIMER_CTRL_EN_SHIFT) |
| | ((init->debugRun ? 1UL : 0UL) |
| << _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) */ |
