diff options
| author | CYFS3 <[email protected]> | 2026-07-23 15:46:24 +0800 |
|---|---|---|
| committer | Rbb666 <[email protected]> | 2026-07-27 13:17:02 +0800 |
| commit | b1cd917f9a4a10182773f2a22f6a07041eeeaacc (patch) | |
| tree | 1c9754cb0c86f6106ccd1f863f6fca89fb9798ae /bsp/efm32/libraries/emlib/inc/em_rtc.h | |
| parent | 69ba028d3b4297ee527ee434f889434698d2080e (diff) | |
bsp: rename Libraries directories to lowercase
Diffstat (limited to 'bsp/efm32/libraries/emlib/inc/em_rtc.h')
| -rw-r--r-- | bsp/efm32/libraries/emlib/inc/em_rtc.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/bsp/efm32/libraries/emlib/inc/em_rtc.h b/bsp/efm32/libraries/emlib/inc/em_rtc.h new file mode 100644 index 0000000000..2097e8d74e --- /dev/null +++ b/bsp/efm32/libraries/emlib/inc/em_rtc.h @@ -0,0 +1,187 @@ +/***************************************************************************//** + * @file + * @brief Real Time Counter (RTC) peripheral API + * @author Energy Micro AS + * @version 3.0.0 + ******************************************************************************* + * @section License + * <b>(C) Copyright 2012 Energy Micro AS, http://www.energymicro.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: Energy Micro AS has no + * obligation to support this Software. Energy Micro AS 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. + * + * Energy Micro AS 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 <stdbool.h> +#include "em_part.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************//** + * @addtogroup EM_Library + * @{ + ******************************************************************************/ + +/***************************************************************************//** + * @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); +} + +void RTC_CounterReset(void); +void RTC_Enable(bool enable); +void RTC_FreezeEnable(bool enable); +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 + * 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 EM_Library) */ + +#ifdef __cplusplus +} +#endif + +#endif /* __EM_RTC_H */ |
