/** * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA * * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form, except as embedded into a Nordic * Semiconductor ASA integrated circuit in a product or a software update for * such product, must reproduce the above copyright notice, this list of * conditions and the following disclaimer in the documentation and/or other * materials provided with the distribution. * * 3. Neither the name of Nordic Semiconductor ASA nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * 4. This software, with or without modification, must only be used with a * Nordic Semiconductor ASA integrated circuit. * * 5. Any software provided in binary form under this license must not be reverse * engineered, decompiled, modified and/or disassembled. * * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #ifndef NRF_POWER_H__ #define NRF_POWER_H__ #include #ifdef __cplusplus extern "C" { #endif /** * @defgroup nrf_power_hal POWER HAL * @{ * @ingroup nrf_power * @brief Hardware access layer for managing the POWER peripheral. */ #if defined(POWER_RAMSTATUS_RAMBLOCK0_Msk) #define NRF_POWER_HAS_RAMSTATUS 1 #else #define NRF_POWER_HAS_RAMSTATUS 0 #endif /** * @name The implemented functionality * @{ * * Macros that defines functionality that is implemented into POWER peripheral. */ #if defined(POWER_INTENSET_SLEEPENTER_Msk) || defined(__NRFX_DOXYGEN__) /** * @brief The fact that sleep events are present * * In some MCUs there is possibility to process sleep entering and exiting * events. */ #define NRF_POWER_HAS_SLEEPEVT 1 #else #define NRF_POWER_HAS_SLEEPEVT 0 #endif #if defined(POWER_RAM_POWER_S0POWER_Msk) || defined(__NRFX_DOXYGEN__) /** * @brief The fact that RAMPOWER registers are present * * After nRF51, new way to manage RAM power was implemented. * Special registers, one for every RAM block that makes it possible to * power ON or OFF RAM segments and turn ON and OFF RAM retention in system OFF * state. */ #define NRF_POWER_HAS_RAMPOWER_REGS 1 #else #define NRF_POWER_HAS_RAMPOWER_REGS 0 #endif #if defined(POWER_POFCON_THRESHOLDVDDH_Msk) || defined(__NRFX_DOXYGEN__) /** * @brief Auxiliary definition to mark the fact that VDDH is present * * This definition can be used in a code to decide if the part with VDDH * related settings should be implemented. */ #define NRF_POWER_HAS_VDDH 1 #else #define NRF_POWER_HAS_VDDH 0 #endif #if defined(POWER_USBREGSTATUS_VBUSDETECT_Msk) || defined(__NRFX_DOXYGEN__) /** * @brief The fact that power module manages USB regulator * * In devices that have USB, power peripheral manages also connection * detection and USB power regulator, that converts 5 V to 3.3 V * used by USBD peripheral. */ #define NRF_POWER_HAS_USBREG 1 #else #define NRF_POWER_HAS_USBREG 0 #endif /** @} */ /* ------------------------------------------------------------------------------------------------ * Begin of automatically generated part * ------------------------------------------------------------------------------------------------ */ /** * @brief POWER tasks */ typedef enum /*lint -save -e30 -esym(628,__INTADDR__) */ { NRF_POWER_TASK_CONSTLAT = offsetof(NRF_POWER_Type, TASKS_CONSTLAT), /**< Enable constant latency mode */ NRF_POWER_TASK_LOWPWR = offsetof(NRF_POWER_Type, TASKS_LOWPWR ), /**< Enable low power mode (variable latency) */ }nrf_power_task_t; /*lint -restore */ /** * @brief POWER events */ typedef enum /*lint -save -e30 -esym(628,__INTADDR__) */ { NRF_POWER_EVENT_POFWARN = offsetof(NRF_POWER_Type, EVENTS_POFWARN ), /**< Power failure warning */ #if NRF_POWER_HAS_SLEEPEVT NRF_POWER_EVENT_SLEEPENTER = offsetof(NRF_POWER_Type, EVENTS_SLEEPENTER ), /**< CPU entered WFI/WFE sleep */ NRF_POWER_EVENT_SLEEPEXIT = offsetof(NRF_POWER_Type, EVENTS_SLEEPEXIT ), /**< CPU exited WFI/WFE sleep */ #endif #if NRF_POWER_HAS_USBREG NRF_POWER_EVENT_USBDETECTED = offsetof(NRF_POWER_Type, EVENTS_USBDETECTED), /**< Voltage supply detected on VBUS */ NRF_POWER_EVENT_USBREMOVED = offsetof(NRF_POWER_Type, EVENTS_USBREMOVED ), /**< Voltage supply removed from VBUS */ NRF_POWER_EVENT_USBPWRRDY = offsetof(NRF_POWER_Type, EVENTS_USBPWRRDY ), /**< USB 3.3 V supply ready */ #endif }nrf_power_event_t; /*lint -restore */ /** * @brief POWER interrupts */ typedef enum { NRF_POWER_INT_POFWARN_MASK = POWER_INTENSET_POFWARN_Msk , /**< Write '1' to Enable interrupt for POFWARN event */ #if NRF_POWER_HAS_SLEEPEVT NRF_POWER_INT_SLEEPENTER_MASK = POWER_INTENSET_SLEEPENTER_Msk , /**< Write '1' to Enable interrupt for SLEEPENTER event */ NRF_POWER_INT_SLEEPEXIT_MASK = POWER_INTENSET_SLEEPEXIT_Msk , /**< Write '1' to Enable interrupt for SLEEPEXIT event */ #endif #if NRF_POWER_HAS_USBREG NRF_POWER_INT_USBDETECTED_MASK = POWER_INTENSET_USBDETECTED_Msk, /**< Write '1' to Enable interrupt for USBDETECTED event */ NRF_POWER_INT_USBREMOVED_MASK = POWER_INTENSET_USBREMOVED_Msk , /**< Write '1' to Enable interrupt for USBREMOVED event */ NRF_POWER_INT_USBPWRRDY_MASK = POWER_INTENSET_USBPWRRDY_Msk , /**< Write '1' to Enable interrupt for USBPWRRDY event */ #endif }nrf_power_int_mask_t; /** * @brief Function for activating a specific POWER task. * * @param task Task. */ __STATIC_INLINE void nrf_power_task_trigger(nrf_power_task_t task); /** * @brief Function for returning the address of a specific POWER task register. * * @param task Task. * * @return Task address. */ __STATIC_INLINE uint32_t nrf_power_task_address_get(nrf_power_task_t task); /** * @brief Function for clearing a specific event. * * @param event Event. */ __STATIC_INLINE void nrf_power_event_clear(nrf_power_event_t event); /** * @brief Function for returning the state of a specific event. * * @param event Event. * * @retval true If the event is set. * @retval false If the event is not set. */ __STATIC_INLINE bool nrf_power_event_check(nrf_power_event_t event); /** * @brief Function for getting and clearing the state of specific event * * This function checks the state of the event and clears it. * * @param event Event. * * @retval true If the event was set. * @retval false If the event was not set. */ __STATIC_INLINE bool nrf_power_event_get_and_clear(nrf_power_event_t event); /** * @brief Function for returning the address of a specific POWER event register. * * @param event Event. * * @return Address. */ __STATIC_INLINE uint32_t nrf_power_event_address_get(nrf_power_event_t event); /** * @brief Function for enabling selected interrupts. * * @param int_mask Interrupts mask. */ __STATIC_INLINE void nrf_power_int_enable(uint32_t int_mask); /** * @brief Function for retrieving the state of selected interrupts. * * @param int_mask Interrupts mask. * * @retval true If any of selected interrupts is enabled. * @retval false If none of selected interrupts is enabled. */ __STATIC_INLINE bool nrf_power_int_enable_check(uint32_t int_mask); /** * @brief Function for retrieving the information about enabled interrupts. * * @return The flags of enabled interrupts. */ __STATIC_INLINE uint32_t nrf_power_int_enable_get(void); /** * @brief Function for disabling selected interrupts. * * @param int_mask Interrupts mask. */ __STATIC_INLINE void nrf_power_int_disable(uint32_t int_mask); /** @} */ /* End of nrf_power_hal */ #ifndef SUPPRESS_INLINE_IMPLEMENTATION /* ------------------------------------------------------------------------------------------------ * Internal functions */ /** * @internal * @brief Internal function for getting task/event register address * * @oaram offset Offset of the register from the instance beginning * * @attention offset has to be modulo 4 value. In other case we can get hardware fault. * @return Pointer to the register */ __STATIC_INLINE volatile uint32_t * nrf_power_regptr_get(uint32_t offset) { return (volatile uint32_t *)(((uint8_t *)NRF_POWER) + (uint32_t)offset); } /** * @internal * @brief Internal function for getting task/event register address - constant version * * @oaram offset Offset of the register from the instance beginning * * @attention offset has to be modulo 4 value. In other case we can get hardware fault. * @return Pointer to the register */ __STATIC_INLINE volatile const uint32_t * nrf_power_regptr_get_c( uint32_t offset) { return (volatile const uint32_t *)(((uint8_t *)NRF_POWER) + (uint32_t)offset); } /* ------------------------------------------------------------------------------------------------ * Interface functions definitions */ void nrf_power_task_trigger(nrf_power_task_t task) { *(nrf_power_regptr_get((uint32_t)task)) = 1UL; } uint32_t nrf_power_task_address_get(nrf_power_task_t task) { return (uint32_t)nrf_power_regptr_get_c((uint32_t)task); } void nrf_power_event_clear(nrf_power_event_t event) { *(nrf_power_regptr_get((uint32_t)event)) = 0UL; } bool nrf_power_event_check(nrf_power_event_t event) { return (bool)*nrf_power_regptr_get_c((uint32_t)event); } bool nrf_power_event_get_and_clear(nrf_power_event_t event) { bool ret = nrf_power_event_check(event); if (ret) { nrf_power_event_clear(event); } return ret; } uint32_t nrf_power_event_address_get(nrf_power_event_t event) { return (uint32_t)nrf_power_regptr_get_c((uint32_t)event); } void nrf_power_int_enable(uint32_t int_mask) { NRF_POWER->INTENSET = int_mask; } bool nrf_power_int_enable_check(uint32_t int_mask) { return !!(NRF_POWER->INTENSET & int_mask); } uint32_t nrf_power_int_enable_get(void) { return NRF_POWER->INTENSET; } void nrf_power_int_disable(uint32_t int_mask) { NRF_POWER->INTENCLR = int_mask; } #endif /* SUPPRESS_INLINE_IMPLEMENTATION */ /* ------------------------------------------------------------------------------------------------ * End of automatically generated part * ------------------------------------------------------------------------------------------------ */ /** * @ingroup nrf_power_hal * @{ */ /** * @brief Reset reason */ typedef enum { NRF_POWER_RESETREAS_RESETPIN_MASK = POWER_RESETREAS_RESETPIN_Msk, /*!< Bit mask of RESETPIN field. *///!< NRF_POWER_RESETREAS_RESETPIN_MASK NRF_POWER_RESETREAS_DOG_MASK = POWER_RESETREAS_DOG_Msk , /*!< Bit mask of DOG field. */ //!< NRF_POWER_RESETREAS_DOG_MASK NRF_POWER_RESETREAS_SREQ_MASK = POWER_RESETREAS_SREQ_Msk , /*!< Bit mask of SREQ field. */ //!< NRF_POWER_RESETREAS_SREQ_MASK NRF_POWER_RESETREAS_LOCKUP_MASK = POWER_RESETREAS_LOCKUP_Msk , /*!< Bit mask of LOCKUP field. */ //!< NRF_POWER_RESETREAS_LOCKUP_MASK NRF_POWER_RESETREAS_OFF_MASK = POWER_RESETREAS_OFF_Msk , /*!< Bit mask of OFF field. */ //!< NRF_POWER_RESETREAS_OFF_MASK #if defined(POWER_RESETREAS_LPCOMP_Msk) || defined(__NRFX_DOXYGEN__) NRF_POWER_RESETREAS_LPCOMP_MASK = POWER_RESETREAS_LPCOMP_Msk , /*!< Bit mask of LPCOMP field. */ //!< NRF_POWER_RESETREAS_LPCOMP_MASK #endif NRF_POWER_RESETREAS_DIF_MASK = POWER_RESETREAS_DIF_Msk , /*!< Bit mask of DIF field. */ //!< NRF_POWER_RESETREAS_DIF_MASK #if defined(POWER_RESETREAS_NFC_Msk) || defined(__NRFX_DOXYGEN__) NRF_POWER_RESETREAS_NFC_MASK = POWER_RESETREAS_NFC_Msk , /*!< Bit mask of NFC field. */ #endif #if defined(POWER_RESETREAS_VBUS_Msk) || defined(__NRFX_DOXYGEN__) NRF_POWER_RESETREAS_VBUS_MASK = POWER_RESETREAS_VBUS_Msk , /*!< Bit mask of VBUS field. */ #endif }nrf_power_resetreas_mask_t; #if NRF_POWER_HAS_USBREG /** * @brief USBREGSTATUS register bit masks * * @sa nrf_power_usbregstatus_get */ typedef enum { NRF_POWER_USBREGSTATUS_VBUSDETECT_MASK = POWER_USBREGSTATUS_VBUSDETECT_Msk, /**< USB detected or removed */ NRF_POWER_USBREGSTATUS_OUTPUTRDY_MASK = POWER_USBREGSTATUS_OUTPUTRDY_Msk /**< USB 3.3 V supply ready */ }nrf_power_usbregstatus_mask_t; #endif #if NRF_POWER_HAS_RAMSTATUS /** * @brief RAM blocks numbers * * @sa nrf_power_ramblock_mask_t * @note * Ram blocks has to been used in nrf51. * In new CPU ram is divided into segments and this functionality is depreciated. * For the newer MCU see the PS for mapping between internal RAM and RAM blocks, * because this mapping is not 1:1, and functions related to old style blocks * should not be used. */ typedef enum { NRF_POWER_RAMBLOCK0 = POWER_RAMSTATUS_RAMBLOCK0_Pos, NRF_POWER_RAMBLOCK1 = POWER_RAMSTATUS_RAMBLOCK1_Pos, NRF_POWER_RAMBLOCK2 = POWER_RAMSTATUS_RAMBLOCK2_Pos, NRF_POWER_RAMBLOCK3 = POWER_RAMSTATUS_RAMBLOCK3_Pos }nrf_power_ramblock_t; /** * @brief RAM blocks masks * * @sa nrf_power_ramblock_t */ typedef enum { NRF_POWER_RAMBLOCK0_MASK = POWER_RAMSTATUS_RAMBLOCK0_Msk, NRF_POWER_RAMBLOCK1_MASK = POWER_RAMSTATUS_RAMBLOCK1_Msk, NRF_POWER_RAMBLOCK2_MASK = POWER_RAMSTATUS_RAMBLOCK2_Msk, NRF_POWER_RAMBLOCK3_MASK = POWER_RAMSTATUS_RAMBLOCK3_Msk }nrf_power_ramblock_mask_t; #endif // NRF_POWER_HAS_RAMSTATUS /** * @brief RAM power state position of the bits * * @sa nrf_power_onoffram_mask_t */ typedef enum { NRF_POWER_ONRAM0, /**< Keep RAM block 0 on or off in system ON Mode */ NRF_POWER_OFFRAM0, /**< Keep retention on RAM block 0 when RAM block is switched off */ NRF_POWER_ONRAM1, /**< Keep RAM block 1 on or off in system ON Mode */ NRF_POWER_OFFRAM1, /**< Keep retention on RAM block 1 when RAM block is switched off */ NRF_POWER_ONRAM2, /**< Keep RAM block 2 on or off in system ON Mode */ NRF_POWER_OFFRAM2, /**< Keep retention on RAM block 2 when RAM block is switched off */ NRF_POWER_ONRAM3, /**< Keep RAM block 3 on or off in system ON Mode */ NRF_POWER_OFFRAM3, /**< Keep retention on RAM block 3 when RAM block is switched off */ }nrf_power_onoffram_t; /** * @brief RAM power state bit masks * * @sa nrf_power_onoffram_t */ typedef enum { NRF_POWER_ONRAM0_MASK = 1U << NRF_POWER_ONRAM0, /**< Keep RAM block 0 on or off in system ON Mode */ NRF_POWER_OFFRAM0_MASK = 1U << NRF_POWER_OFFRAM0, /**< Keep retention on RAM block 0 when RAM block is switched off */ NRF_POWER_ONRAM1_MASK = 1U << NRF_POWER_ONRAM1, /**< Keep RAM block 1 on or off in system ON Mode */ NRF_POWER_OFFRAM1_MASK = 1U << NRF_POWER_OFFRAM1, /**< Keep retention on RAM block 1 when RAM block is switched off */ NRF_POWER_ONRAM2_MASK = 1U << NRF_POWER_ONRAM2, /**< Keep RAM block 2 on or off in system ON Mode */ NRF_POWER_OFFRAM2_MASK = 1U << NRF_POWER_OFFRAM2, /**< Keep retention on RAM block 2 when RAM block is switched off */ NRF_POWER_ONRAM3_MASK = 1U << NRF_POWER_ONRAM3, /**< Keep RAM block 3 on or off in system ON Mode */ NRF_POWER_OFFRAM3_MASK = 1U << NRF_POWER_OFFRAM3, /**< Keep retention on RAM block 3 when RAM block is switched off */ }nrf_power_onoffram_mask_t; /** * @brief Power failure comparator thresholds */ typedef enum { NRF_POWER_POFTHR_V21 = POWER_POFCON_THRESHOLD_V21, /**< Set threshold to 2.1 V */ NRF_POWER_POFTHR_V23 = POWER_POFCON_THRESHOLD_V23, /**< Set threshold to 2.3 V */ NRF_POWER_POFTHR_V25 = POWER_POFCON_THRESHOLD_V25, /**< Set threshold to 2.5 V */ NRF_POWER_POFTHR_V27 = POWER_POFCON_THRESHOLD_V27, /**< Set threshold to 2.7 V */ #if defined(POWER_POFCON_THRESHOLD_V17) || defined(__NRFX_DOXYGEN__) NRF_POWER_POFTHR_V17 = POWER_POFCON_THRESHOLD_V17, /**< Set threshold to 1.7 V */ NRF_POWER_POFTHR_V18 = POWER_POFCON_THRESHOLD_V18, /**< Set threshold to 1.8 V */ NRF_POWER_POFTHR_V19 = POWER_POFCON_THRESHOLD_V19, /**< Set threshold to 1.9 V */ NRF_POWER_POFTHR_V20 = POWER_POFCON_THRESHOLD_V20, /**< Set threshold to 2.0 V */ NRF_POWER_POFTHR_V22 = POWER_POFCON_THRESHOLD_V22, /**< Set threshold to 2.2 V */ NRF_POWER_POFTHR_V24 = POWER_POFCON_THRESHOLD_V24, /**< Set threshold to 2.4 V */ NRF_POWER_POFTHR_V26 = POWER_POFCON_THRESHOLD_V26, /**< Set threshold to 2.6 V */ NRF_POWER_POFTHR_V28 = POWER_POFCON_THRESHOLD_V28, /**< Set threshold to 2.8 V */ #endif }nrf_power_pof_thr_t; #if NRF_POWER_HAS_VDDH /** * @brief Power failure comparator thresholds for VDDH */ typedef enum { NRF_POWER_POFTHRVDDH_V27 = POWER_POFCON_THRESHOLDVDDH_V27, /**< Set threshold to 2.7 V */ NRF_POWER_POFTHRVDDH_V28 = POWER_POFCON_THRESHOLDVDDH_V28, /**< Set threshold to 2.8 V */ NRF_POWER_POFTHRVDDH_V29 = POWER_POFCON_THRESHOLDVDDH_V29, /**< Set threshold to 2.9 V */ NRF_POWER_POFTHRVDDH_V30 = POWER_POFCON_THRESHOLDVDDH_V30, /**< Set threshold to 3.0 V */ NRF_POWER_POFTHRVDDH_V31 = POWER_POFCON_THRESHOLDVDDH_V31, /**< Set threshold to 3.1 V */ NRF_POWER_POFTHRVDDH_V32 = POWER_POFCON_THRESHOLDVDDH_V32, /**< Set threshold to 3.2 V */ NRF_POWER_POFTHRVDDH_V33 = POWER_POFCON_THRESHOLDVDDH_V33, /**< Set threshold to 3.3 V */ NRF_POWER_POFTHRVDDH_V34 = POWER_POFCON_THRESHOLDVDDH_V34, /**< Set threshold to 3.4 V */ NRF_POWER_POFTHRVDDH_V35 = POWER_POFCON_THRESHOLDVDDH_V35, /**< Set threshold to 3.5 V */ NRF_POWER_POFTHRVDDH_V36 = POWER_POFCON_THRESHOLDVDDH_V36, /**< Set threshold to 3.6 V */ NRF_POWER_POFTHRVDDH_V37 = POWER_POFCON_THRESHOLDVDDH_V37, /**< Set threshold to 3.7 V */ NRF_POWER_POFTHRVDDH_V38 = POWER_POFCON_THRESHOLDVDDH_V38, /**< Set threshold to 3.8 V */ NRF_POWER_POFTHRVDDH_V39 = POWER_POFCON_THRESHOLDVDDH_V39, /**< Set threshold to 3.9 V */ NRF_POWER_POFTHRVDDH_V40 = POWER_POFCON_THRESHOLDVDDH_V40, /**< Set threshold to 4.0 V */ NRF_POWER_POFTHRVDDH_V41 = POWER_POFCON_THRESHOLDVDDH_V41, /**< Set threshold to 4.1 V */ NRF_POWER_POFTHRVDDH_V42 = POWER_POFCON_THRESHOLDVDDH_V42, /**< Set threshold to 4.2 V */ }nrf_power_pof_thrvddh_t; /** * @brief Main regulator status */ typedef enum { NRF_POWER_MAINREGSTATUS_NORMAL = POWER_MAINREGSTATUS_MAINREGSTATUS_Normal, /**< Normal voltage mode. Voltage supplied on VDD. */ NRF_POWER_MAINREGSTATUS_HIGH = POWER_MAINREGSTATUS_MAINREGSTATUS_High /**< High voltage mode. Voltage supplied on VDDH. */ }nrf_power_mainregstatus_t; #endif /* NRF_POWER_HAS_VDDH */ #if NRF_POWER_HAS_RAMPOWER_REGS /** * @brief Bit positions for RAMPOWER register * * All possible bits described, even if they are not used in selected MCU. */ typedef enum { /** Keep RAM section S0 ON in System ON mode */ NRF_POWER_RAMPOWER_S0POWER = POWER_RAM_POWER_S0POWER_Pos, NRF_POWER_RAMPOWER_S1POWER, /**< Keep RAM section S1 ON in System ON mode */ NRF_POWER_RAMPOWER_S2POWER, /**< Keep RAM section S2 ON in System ON mode */ NRF_POWER_RAMPOWER_S3POWER, /**< Keep RAM section S3 ON in System ON mode */ NRF_POWER_RAMPOWER_S4POWER, /**< Keep RAM section S4 ON in System ON mode */ NRF_POWER_RAMPOWER_S5POWER, /**< Keep RAM section S5 ON in System ON mode */ NRF_POWER_RAMPOWER_S6POWER, /**< Keep RAM section S6 ON in System ON mode */ NRF_POWER_RAMPOWER_S7POWER, /**< Keep RAM section S7 ON in System ON mode */ NRF_POWER_RAMPOWER_S8POWER, /**< Keep RAM section S8 ON in System ON mode */ NRF_POWER_RAMPOWER_S9POWER, /**< Keep RAM section S9 ON in System ON mode */ NRF_POWER_RAMPOWER_S10POWER, /**< Keep RAM section S10 ON in System ON mode */ NRF_POWER_RAMPOWER_S11POWER, /**< Keep RAM section S11 ON in System ON mode */ NRF_POWER_RAMPOWER_S12POWER, /**< Keep RAM section S12 ON in System ON mode */ NRF_POWER_RAMPOWER_S13POWER, /**< Keep RAM section S13 ON in System ON mode */ NRF_POWER_RAMPOWER_S14POWER, /**< Keep RAM section S14 ON in System ON mode */ NRF_POWER_RAMPOWER_S15POWER, /**< Keep RAM section S15 ON in System ON mode */ /** Keep section retention in OFF mode when section is OFF */ NRF_POWER_RAMPOWER_S0RETENTION = POWER_RAM_POWER_S0RETENTION_Pos, NRF_POWER_RAMPOWER_S1RETENTION, /**< Keep section retention in OFF mode when section is OFF */ NRF_POWER_RAMPOWER_S2RETENTION, /**< Keep section retention in OFF mode when section is OFF */ NRF_POWER_RAMPOWER_S3RETENTION, /**< Keep section retention in OFF mode when section is OFF */ NRF_POWER_RAMPOWER_S4RETENTION, /**< Keep section retention in OFF mode when section is OFF */ NRF_POWER_RAMPOWER_S5RETENTION, /**< Keep section retention in OFF mode when section is OFF */ NRF_POWER_RAMPOWER_S6RETENTION, /**< Keep section retention in OFF mode when section is OFF */ NRF_POWER_RAMPOWER_S7RETENTION, /**< Keep section retention in OFF mode when section is OFF */ NRF_POWER_RAMPOWER_S8RETENTION, /**< Keep section retention in OFF mode when section is OFF */ NRF_POWER_RAMPOWER_S9RETENTION, /**< Keep section retention in OFF mode when section is OFF */ NRF_POWER_RAMPOWER_S10RETENTION, /**< Keep section retention in OFF mode when section is OFF */ NRF_POWER_RAMPOWER_S11RETENTION, /**< Keep section retention in OFF mode when section is OFF */ NRF_POWER_RAMPOWER_S12RETENTION, /**< Keep section retention in OFF mode when section is OFF */ NRF_POWER_RAMPOWER_S13RETENTION, /**< Keep section retention in OFF mode when section is OFF */ NRF_POWER_RAMPOWER_S14RETENTION, /**< Keep section retention in OFF mode when section is OFF */ NRF_POWER_RAMPOWER_S15RETENTION, /**< Keep section retention in OFF mode when section is OFF */ }nrf_power_rampower_t; #if defined ( __CC_ARM ) #pragma push #pragma diag_suppress 66 #endif /** * @brief Bit masks for RAMPOWER register * * All possible bits described, even if they are not used in selected MCU. */ typedef enum { NRF_POWER_RAMPOWER_S0POWER_MASK = 1UL << NRF_POWER_RAMPOWER_S0POWER , NRF_POWER_RAMPOWER_S1POWER_MASK = 1UL << NRF_POWER_RAMPOWER_S1POWER , NRF_POWER_RAMPOWER_S2POWER_MASK = 1UL << NRF_POWER_RAMPOWER_S2POWER , NRF_POWER_RAMPOWER_S3POWER_MASK = 1UL << NRF_POWER_RAMPOWER_S3POWER , NRF_POWER_RAMPOWER_S4POWER_MASK = 1UL << NRF_POWER_RAMPOWER_S4POWER , NRF_POWER_RAMPOWER_S5POWER_MASK = 1UL << NRF_POWER_RAMPOWER_S5POWER , NRF_POWER_RAMPOWER_S7POWER_MASK = 1UL << NRF_POWER_RAMPOWER_S7POWER , NRF_POWER_RAMPOWER_S8POWER_MASK = 1UL << NRF_POWER_RAMPOWER_S8POWER , NRF_POWER_RAMPOWER_S9POWER_MASK = 1UL << NRF_POWER_RAMPOWER_S9POWER , NRF_POWER_RAMPOWER_S10POWER_MASK = 1UL << NRF_POWER_RAMPOWER_S10POWER, NRF_POWER_RAMPOWER_S11POWER_MASK = 1UL << NRF_POWER_RAMPOWER_S11POWER, NRF_POWER_RAMPOWER_S12POWER_MASK = 1UL << NRF_POWER_RAMPOWER_S12POWER, NRF_POWER_RAMPOWER_S13POWER_MASK = 1UL << NRF_POWER_RAMPOWER_S13POWER, NRF_POWER_RAMPOWER_S14POWER_MASK = 1UL << NRF_POWER_RAMPOWER_S14POWER, NRF_POWER_RAMPOWER_S15POWER_MASK = 1UL << NRF_POWER_RAMPOWER_S15POWER, NRF_POWER_RAMPOWER_S0RETENTION_MASK = 1UL << NRF_POWER_RAMPOWER_S0RETENTION , NRF_POWER_RAMPOWER_S1RETENTION_MASK = 1UL << NRF_POWER_RAMPOWER_S1RETENTION , NRF_POWER_RAMPOWER_S2RETENTION_MASK = 1UL << NRF_POWER_RAMPOWER_S2RETENTION , NRF_POWER_RAMPOWER_S3RETENTION_MASK = 1UL << NRF_POWER_RAMPOWER_S3RETENTION , NRF_POWER_RAMPOWER_S4RETENTION_MASK = 1UL << NRF_POWER_RAMPOWER_S4RETENTION , NRF_POWER_RAMPOWER_S5RETENTION_MASK = 1UL << NRF_POWER_RAMPOWER_S5RETENTION , NRF_POWER_RAMPOWER_S7RETENTION_MASK = 1UL << NRF_POWER_RAMPOWER_S7RETENTION , NRF_POWER_RAMPOWER_S8RETENTION_MASK = 1UL << NRF_POWER_RAMPOWER_S8RETENTION , NRF_POWER_RAMPOWER_S9RETENTION_MASK = 1UL << NRF_POWER_RAMPOWER_S9RETENTION , NRF_POWER_RAMPOWER_S10RETENTION_MASK = 1UL << NRF_POWER_RAMPOWER_S10RETENTION, NRF_POWER_RAMPOWER_S11RETENTION_MASK = 1UL << NRF_POWER_RAMPOWER_S11RETENTION, NRF_POWER_RAMPOWER_S12RETENTION_MASK = 1UL << NRF_POWER_RAMPOWER_S12RETENTION, NRF_POWER_RAMPOWER_S13RETENTION_MASK = 1UL << NRF_POWER_RAMPOWER_S13RETENTION, NRF_POWER_RAMPOWER_S14RETENTION_MASK = 1UL << NRF_POWER_RAMPOWER_S14RETENTION, NRF_POWER_RAMPOWER_S15RETENTION_MASK = 1UL << NRF_POWER_RAMPOWER_S15RETENTION, }nrf_power_rampower_mask_t; #if defined ( __CC_ARM ) #pragma pop #endif #endif /* NRF_POWER_HAS_RAMPOWER_REGS */ /** * @brief Get reset reason mask * * Function returns the reset reason. * Unless cleared, the RESETREAS register is cumulative. * A field is cleared by writing '1' to it (see @ref nrf_power_resetreas_clear). * If none of the reset sources are flagged, * this indicates that the chip was reset from the on-chip reset generator, * which indicates a power-on-reset or a brown out reset. * * @return The mask of reset reasons constructed with @ref nrf_power_resetreas_mask_t. */ __STATIC_INLINE uint32_t nrf_power_resetreas_get(void); /** * @brief Clear selected reset reason field * * Function clears selected reset reason fields. * * @param[in] mask The mask constructed from @ref nrf_power_resetreas_mask_t enumerator values. * @sa nrf_power_resetreas_get */ __STATIC_INLINE void nrf_power_resetreas_clear(uint32_t mask); #if NRF_POWER_HAS_RAMSTATUS /** * @brief Get RAMSTATUS register * * Returns the masks of RAM blocks that are powered ON. * * @return Value with bits sets according to masks in @ref nrf_power_ramblock_mask_t. */ __STATIC_INLINE uint32_t nrf_power_ramstatus_get(void); #endif // NRF_POWER_HAS_RAMSTATUS /** * @brief Go to system OFF * * This function puts the CPU into system off mode. * The only way to wake up the CPU is by reset. * * @note This function never returns. */ __STATIC_INLINE void nrf_power_system_off(void); /** * @brief Set power failure comparator configuration * * Sets power failure comparator threshold and enable/disable flag. * * @param enabled Set to true if power failure comparator should be enabled. * @param thr Set the voltage threshold value. * * @note * If VDDH settings is present in the device, this function would * clear it settings (set to the lowest voltage). * Use @ref nrf_power_pofcon_vddh_set function to set new value. */ __STATIC_INLINE void nrf_power_pofcon_set(bool enabled, nrf_power_pof_thr_t thr); /** * @brief Get power failure comparator configuration * * Get power failure comparator threshold and enable bit. * * @param[out] p_enabled Function would set this boolean variable to true * if power failure comparator is enabled. * The pointer can be NULL if we do not need this information. * @return Threshold setting for power failure comparator */ __STATIC_INLINE nrf_power_pof_thr_t nrf_power_pofcon_get(bool * p_enabled); #if NRF_POWER_HAS_VDDH /** * @brief Set VDDH power failure comparator threshold * * @param thr Threshold to be set */ __STATIC_INLINE void nrf_power_pofcon_vddh_set(nrf_power_pof_thrvddh_t thr); /** * @brief Get VDDH power failure comparator threshold * * @return VDDH threshold currently configured */ __STATIC_INLINE nrf_power_pof_thrvddh_t nrf_power_pofcon_vddh_get(void); #endif /** * @brief Set general purpose retention register * * @param val Value to be set in the register */ __STATIC_INLINE void nrf_power_gpregret_set(uint8_t val); /** * @brief Get general purpose retention register * * @return The value from the register */ __STATIC_INLINE uint8_t nrf_power_gpregret_get(void); #if defined(POWER_GPREGRET2_GPREGRET_Msk) || defined(__NRFX_DOXYGEN__) /** * @brief Set general purpose retention register 2 * * @param val Value to be set in the register * @note This register is not available in nrf51 MCU family */ __STATIC_INLINE void nrf_power_gpregret2_set(uint8_t val); /** * @brief Get general purpose retention register 2 * * @return The value from the register * @note This register is not available in all MCUs. */ __STATIC_INLINE uint8_t nrf_power_gpregret2_get(void); #endif /** * @brief Enable or disable DCDC converter * * @param enable Set true to enable or false to disable DCDC converter. * * @note * If the device consist of high voltage power input (VDDH) this setting * would relate to the converter on low voltage side (1.3 V output). */ __STATIC_INLINE void nrf_power_dcdcen_set(bool enable); /** * @brief Get the state of DCDC converter * * @retval true Converter is enabled * @retval false Converter is disabled * * @note * If the device consist of high voltage power input (VDDH) this setting * would relate to the converter on low voltage side (1.3 V output). */ __STATIC_INLINE bool nrf_power_dcdcen_get(void); #if NRF_POWER_HAS_RAMPOWER_REGS /** * @brief Turn ON sections in selected RAM block. * * This function turns ON sections in block and also block retention. * * @sa nrf_power_rampower_mask_t * @sa nrf_power_rampower_mask_off * * @param block RAM block index. * @param section_mask Mask of the sections created by merging * @ref nrf_power_rampower_mask_t flags. */ __STATIC_INLINE void nrf_power_rampower_mask_on(uint8_t block, uint32_t section_mask); /** * @brief Turn ON sections in selected RAM block. * * This function turns OFF sections in block and also block retention. * * @sa nrf_power_rampower_mask_t * @sa nrf_power_rampower_mask_off * * @param block RAM block index. * @param section_mask Mask of the sections created by merging * @ref nrf_power_rampower_mask_t flags. */ __STATIC_INLINE void nrf_power_rampower_mask_off(uint8_t block, uint32_t section_mask); /** * @brief Get the mask of ON and retention sections in selected RAM block. * * @param block RAM block index. * @return Mask of sections state composed from @ref nrf_power_rampower_mask_t flags. */ __STATIC_INLINE uint32_t nrf_power_rampower_mask_get(uint8_t block); #endif /* NRF_POWER_HAS_RAMPOWER_REGS */ #if NRF_POWER_HAS_VDDH /** * @brief Enable of disable DCDC converter on VDDH * * @param enable Set true to enable or false to disable DCDC converter. */ __STATIC_INLINE void nrf_power_dcdcen_vddh_set(bool enable); /** * @brief Get the state of DCDC converter on VDDH * * @retval true Converter is enabled * @retval false Converter is disabled */ __STATIC_INLINE bool nrf_power_dcdcen_vddh_get(void); /** * @brief Get main supply status * * @return Current main supply status */ __STATIC_INLINE nrf_power_mainregstatus_t nrf_power_mainregstatus_get(void); #endif /* NRF_POWER_HAS_VDDH */ #if NRF_POWER_HAS_USBREG /** * * @return Get the whole USBREGSTATUS register * * @return The USBREGSTATUS register value. * Use @ref nrf_power_usbregstatus_mask_t values for bit masking. * * @sa nrf_power_usbregstatus_vbusdet_get * @sa nrf_power_usbregstatus_outrdy_get */ __STATIC_INLINE uint32_t nrf_power_usbregstatus_get(void); /** * @brief VBUS input detection status * * USBDETECTED and USBREMOVED events are derived from this information * * @retval false VBUS voltage below valid threshold * @retval true VBUS voltage above valid threshold * * @sa nrf_power_usbregstatus_get */ __STATIC_INLINE bool nrf_power_usbregstatus_vbusdet_get(void); /** * @brief USB supply output settling time elapsed * * @retval false USBREG output settling time not elapsed * @retval true USBREG output settling time elapsed * (same information as USBPWRRDY event) * * @sa nrf_power_usbregstatus_get */ __STATIC_INLINE bool nrf_power_usbregstatus_outrdy_get(void); #endif /* NRF_POWER_HAS_USBREG */ #ifndef SUPPRESS_INLINE_IMPLEMENTATION __STATIC_INLINE uint32_t nrf_power_resetreas_get(void) { return NRF_POWER->RESETREAS; } __STATIC_INLINE void nrf_power_resetreas_clear(uint32_t mask) { NRF_POWER->RESETREAS = mask; } #if NRF_POWER_HAS_RAMSTATUS __STATIC_INLINE uint32_t nrf_power_ramstatus_get(void) { return NRF_POWER->RAMSTATUS; } #endif // NRF_POWER_HAS_RAMSTATUS __STATIC_INLINE void nrf_power_system_off(void) { NRF_POWER->SYSTEMOFF = POWER_SYSTEMOFF_SYSTEMOFF_Enter; __DSB(); /* Solution for simulated System OFF in debug mode */ while (true) { __WFE(); } } __STATIC_INLINE void nrf_power_pofcon_set(bool enabled, nrf_power_pof_thr_t thr) { NRFX_ASSERT(thr == (thr & (POWER_POFCON_THRESHOLD_Msk >> POWER_POFCON_THRESHOLD_Pos))); #if NRF_POWER_HAS_VDDH uint32_t pofcon = NRF_POWER->POFCON; pofcon &= ~(POWER_POFCON_THRESHOLD_Msk | POWER_POFCON_POF_Msk); pofcon |= #else /* NRF_POWER_HAS_VDDH */ NRF_POWER->POFCON = #endif (((uint32_t)thr) << POWER_POFCON_THRESHOLD_Pos) | (enabled ? (POWER_POFCON_POF_Enabled << POWER_POFCON_POF_Pos) : (POWER_POFCON_POF_Disabled << POWER_POFCON_POF_Pos)); #if NRF_POWER_HAS_VDDH NRF_POWER->POFCON = pofcon; #endif } __STATIC_INLINE nrf_power_pof_thr_t nrf_power_pofcon_get(bool * p_enabled) { uint32_t pofcon = NRF_POWER->POFCON; if (NULL != p_enabled) { (*p_enabled) = ((pofcon & POWER_POFCON_POF_Msk) >> POWER_POFCON_POF_Pos) == POWER_POFCON_POF_Enabled; } return (nrf_power_pof_thr_t)((pofcon & POWER_POFCON_THRESHOLD_Msk) >> POWER_POFCON_THRESHOLD_Pos); } #if NRF_POWER_HAS_VDDH __STATIC_INLINE void nrf_power_pofcon_vddh_set(nrf_power_pof_thrvddh_t thr) { NRFX_ASSERT(thr == (thr & (POWER_POFCON_THRESHOLDVDDH_Msk >> POWER_POFCON_THRESHOLDVDDH_Pos))); uint32_t pofcon = NRF_POWER->POFCON; pofcon &= ~POWER_POFCON_THRESHOLDVDDH_Msk; pofcon |= (((uint32_t)thr) << POWER_POFCON_THRESHOLDVDDH_Pos); NRF_POWER->POFCON = pofcon; } __STATIC_INLINE nrf_power_pof_thrvddh_t nrf_power_pofcon_vddh_get(void) { return (nrf_power_pof_thrvddh_t)((NRF_POWER->POFCON & POWER_POFCON_THRESHOLDVDDH_Msk) >> POWER_POFCON_THRESHOLDVDDH_Pos); } #endif /* NRF_POWER_HAS_VDDH */ __STATIC_INLINE void nrf_power_gpregret_set(uint8_t val) { NRF_POWER->GPREGRET = val; } __STATIC_INLINE uint8_t nrf_power_gpregret_get(void) { return NRF_POWER->GPREGRET; } #if defined(POWER_GPREGRET2_GPREGRET_Msk) || defined(__NRFX_DOXYGEN__) void nrf_power_gpregret2_set(uint8_t val) { NRF_POWER->GPREGRET2 = val; } __STATIC_INLINE uint8_t nrf_power_gpregret2_get(void) { return NRF_POWER->GPREGRET2; } #endif __STATIC_INLINE void nrf_power_dcdcen_set(bool enable) { NRF_POWER->DCDCEN = (enable ? POWER_DCDCEN_DCDCEN_Enabled : POWER_DCDCEN_DCDCEN_Disabled) << POWER_DCDCEN_DCDCEN_Pos; } __STATIC_INLINE bool nrf_power_dcdcen_get(void) { return (NRF_POWER->DCDCEN & POWER_DCDCEN_DCDCEN_Msk) == (POWER_DCDCEN_DCDCEN_Enabled << POWER_DCDCEN_DCDCEN_Pos); } #if NRF_POWER_HAS_RAMPOWER_REGS __STATIC_INLINE void nrf_power_rampower_mask_on(uint8_t block, uint32_t section_mask) { NRFX_ASSERT(block < ARRAY_SIZE(NRF_POWER->RAM)); NRF_POWER->RAM[block].POWERSET = section_mask; } __STATIC_INLINE void nrf_power_rampower_mask_off(uint8_t block, uint32_t section_mask) { NRFX_ASSERT(block < ARRAY_SIZE(NRF_POWER->RAM)); NRF_POWER->RAM[block].POWERCLR = section_mask; } __STATIC_INLINE uint32_t nrf_power_rampower_mask_get(uint8_t block) { NRFX_ASSERT(block < ARRAY_SIZE(NRF_POWER->RAM)); return NRF_POWER->RAM[block].POWER; } #endif /* NRF_POWER_HAS_RAMPOWER_REGS */ #if NRF_POWER_HAS_VDDH __STATIC_INLINE void nrf_power_dcdcen_vddh_set(bool enable) { NRF_POWER->DCDCEN0 = (enable ? POWER_DCDCEN0_DCDCEN_Enabled : POWER_DCDCEN0_DCDCEN_Disabled) << POWER_DCDCEN0_DCDCEN_Pos; } bool nrf_power_dcdcen_vddh_get(void) { return (NRF_POWER->DCDCEN0 & POWER_DCDCEN0_DCDCEN_Msk) == (POWER_DCDCEN0_DCDCEN_Enabled << POWER_DCDCEN0_DCDCEN_Pos); } nrf_power_mainregstatus_t nrf_power_mainregstatus_get(void) { return (nrf_power_mainregstatus_t)(((NRF_POWER->MAINREGSTATUS) & POWER_MAINREGSTATUS_MAINREGSTATUS_Msk) >> POWER_MAINREGSTATUS_MAINREGSTATUS_Pos); } #endif /* NRF_POWER_HAS_VDDH */ #if NRF_POWER_HAS_USBREG __STATIC_INLINE uint32_t nrf_power_usbregstatus_get(void) { return NRF_POWER->USBREGSTATUS; } __STATIC_INLINE bool nrf_power_usbregstatus_vbusdet_get(void) { return (nrf_power_usbregstatus_get() & NRF_POWER_USBREGSTATUS_VBUSDETECT_MASK) != 0; } __STATIC_INLINE bool nrf_power_usbregstatus_outrdy_get(void) { return (nrf_power_usbregstatus_get() & NRF_POWER_USBREGSTATUS_OUTPUTRDY_MASK) != 0; } #endif /* NRF_POWER_HAS_USBREG */ #endif /* SUPPRESS_INLINE_IMPLEMENTATION */ /** @} */ #ifdef __cplusplus } #endif #endif /* NRF_POWER_H__ */