1 /***************************************************************************//**
2  * @file
3  * @brief Ultra Low Energy Timer/Counter (CRYOTIMER) peripheral API
4  *******************************************************************************
5  * # License
6  * <b>Copyright 2018 Silicon Laboratories Inc. www.silabs.com</b>
7  *******************************************************************************
8  *
9  * SPDX-License-Identifier: Zlib
10  *
11  * The licensor of this software is Silicon Laboratories Inc.
12  *
13  * This software is provided 'as-is', without any express or implied
14  * warranty. In no event will the authors be held liable for any damages
15  * arising from the use of this software.
16  *
17  * Permission is granted to anyone to use this software for any purpose,
18  * including commercial applications, and to alter it and redistribute it
19  * freely, subject to the following restrictions:
20  *
21  * 1. The origin of this software must not be misrepresented; you must not
22  *    claim that you wrote the original software. If you use this software
23  *    in a product, an acknowledgment in the product documentation would be
24  *    appreciated but is not required.
25  * 2. Altered source versions must be plainly marked as such, and must not be
26  *    misrepresented as being the original software.
27  * 3. This notice may not be removed or altered from any source distribution.
28  *
29  ******************************************************************************/
30 
31 #include "em_cryotimer.h"
32 #include "em_bus.h"
33 
34 #if defined(CRYOTIMER_PRESENT) && (CRYOTIMER_COUNT == 1)
35 
CRYOTIMER_Init(const CRYOTIMER_Init_TypeDef * init)36 void CRYOTIMER_Init(const CRYOTIMER_Init_TypeDef *init)
37 {
38   CRYOTIMER->PERIODSEL = (uint32_t)init->period & _CRYOTIMER_PERIODSEL_MASK;
39   CRYOTIMER->CTRL = ((init->enable ? 1UL : 0UL) << _CRYOTIMER_CTRL_EN_SHIFT)
40                     | ((init->debugRun ? 1UL : 0UL)
41                        << _CRYOTIMER_CTRL_DEBUGRUN_SHIFT)
42                     | ((uint32_t)init->osc << _CRYOTIMER_CTRL_OSCSEL_SHIFT)
43                     | ((uint32_t)init->presc << _CRYOTIMER_CTRL_PRESC_SHIFT);
44   CRYOTIMER_EM4WakeupEnable(init->em4Wakeup);
45 }
46 
47 #endif /* defined(CRYOTIMER_PRESENT) && (CRYOTIMER_COUNT > 0) */
48