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TARGET_EFM32ZG_STK3200/TOOLCHAIN_ARM_MICRO/em_rtc.h
- Committer:
- AnnaBridge
- Date:
- 2019-02-20
- Revision:
- 172:65be27845400
- Parent:
- 171:3a7713b1edbc
File content as of revision 172:65be27845400:
/***************************************************************************//** * @file em_rtc.h * @brief Real Time Counter (RTC) peripheral API * @version 5.3.3 ******************************************************************************* * # 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. * 2. Altered source versions must be plainly marked as such, and must not be * misrepresented as being the original software. * 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. * ******************************************************************************/ #ifndef EM_RTC_H #define EM_RTC_H #include "em_device.h" #if defined(RTC_COUNT) && (RTC_COUNT > 0) #include <stdbool.h> #ifdef __cplusplus extern "C" { #endif /***************************************************************************//** * @addtogroup emlib * @{ ******************************************************************************/ /***************************************************************************//** * @addtogroup RTC * @{ ******************************************************************************/ /******************************************************************************* ******************************* STRUCTS *********************************** ******************************************************************************/ /** RTC initialization structure. */ typedef struct { bool enable; /**< Start counting when init completed. */ bool debugRun; /**< Counter shall keep running during debug halt. */ bool comp0Top; /**< Use compare register 0 as max count value. */ } RTC_Init_TypeDef; /** Suggested default config for RTC init structure. */ #define RTC_INIT_DEFAULT \ { \ true, /* Start counting when init done */ \ false, /* Disable updating during debug halt */ \ true /* Restart counting from 0 when reaching COMP0 */ \ } /******************************************************************************* ***************************** PROTOTYPES ********************************** ******************************************************************************/ uint32_t RTC_CompareGet(unsigned int comp); void RTC_CompareSet(unsigned int comp, uint32_t value); /***************************************************************************//** * @brief * Get RTC counter value. * * @return * Current RTC counter value. ******************************************************************************/ __STATIC_INLINE uint32_t RTC_CounterGet(void) { return RTC->CNT; } #if !defined(_EFM32_GECKO_FAMILY) /***************************************************************************//** * @brief * Set the RTC counter value. * * @param[in] value * The new RTC counter value. ******************************************************************************/ __STATIC_INLINE void RTC_CounterSet(uint32_t value) { RTC->CNT = value; } #endif void RTC_CounterReset(void); void RTC_Enable(bool enable); #if defined(_RTC_FREEZE_MASK) void RTC_FreezeEnable(bool enable); #endif void RTC_Init(const RTC_Init_TypeDef *init); /***************************************************************************//** * @brief * Clear one or more pending RTC interrupts. * * @param[in] flags * RTC interrupt sources to clear. Use a set of interrupt flags OR-ed * together to clear multiple interrupt sources for the RTC module * (RTC_IFS_nnn). ******************************************************************************/ __STATIC_INLINE void RTC_IntClear(uint32_t flags) { RTC->IFC = flags; } /***************************************************************************//** * @brief * Disable one or more RTC interrupts. * * @param[in] flags * RTC interrupt sources to disable. Use a set of interrupt flags OR-ed * together to disable multiple interrupt sources for the RTC module * (RTC_IFS_nnn). ******************************************************************************/ __STATIC_INLINE void RTC_IntDisable(uint32_t flags) { RTC->IEN &= ~flags; } /***************************************************************************//** * @brief * Enable one or more RTC interrupts. * * @note * Depending on the use, a pending interrupt may already be set prior to * enabling the interrupt. Consider using RTC_IntClear() prior to enabling * if such a pending interrupt should be ignored. * * @param[in] flags * RTC interrupt sources to enable. Use a set of interrupt flags OR-ed * together to set multiple interrupt sources for the RTC module * (RTC_IFS_nnn). ******************************************************************************/ __STATIC_INLINE void RTC_IntEnable(uint32_t flags) { RTC->IEN |= flags; } /***************************************************************************//** * @brief * Get pending RTC interrupt flags. * * @note * The event bits are not cleared by the use of this function. * * @return * Pending RTC interrupt sources. Returns a set of interrupt flags OR-ed * together for multiple interrupt sources in the RTC module (RTC_IFS_nnn). ******************************************************************************/ __STATIC_INLINE uint32_t RTC_IntGet(void) { return RTC->IF; } /***************************************************************************//** * @brief * Get enabled and pending RTC interrupt flags. * Useful for handling more interrupt sources in the same interrupt handler. * * @note * Interrupt flags are not cleared by the use of this function. * * @return * Pending and enabled RTC interrupt sources * The return value is the bitwise AND of * - the enabled interrupt sources in RTC_IEN and * - the pending interrupt flags RTC_IF ******************************************************************************/ __STATIC_INLINE uint32_t RTC_IntGetEnabled(void) { uint32_t ien; ien = RTC->IEN; return RTC->IF & ien; } /***************************************************************************//** * @brief * Set one or more pending RTC interrupts from SW. * * @param[in] flags * RTC interrupt sources to set to pending. Use a set of interrupt flags * OR-ed together to set multiple interrupt sources for the RTC module * (RTC_IFS_nnn). ******************************************************************************/ __STATIC_INLINE void RTC_IntSet(uint32_t flags) { RTC->IFS = flags; } void RTC_Reset(void); /** @} (end addtogroup RTC) */ /** @} (end addtogroup emlib) */ #ifdef __cplusplus } #endif #endif /* defined(RTC_COUNT) && (RTC_COUNT > 0) */ #endif /* EM_RTC_H */