/* * Copyright (c) 2021 - 2025, Nordic Semiconductor ASA * All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause * * 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 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 the copyright holder nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 NRFY_WDT_H__ #define NRFY_WDT_H__ #include #include #ifdef __cplusplus extern "C" { #endif NRFY_STATIC_INLINE bool __nrfy_internal_wdt_event_handle(NRF_WDT_Type * p_reg, uint32_t mask, nrf_wdt_event_t event, uint32_t * p_evt_mask); NRFY_STATIC_INLINE uint32_t __nrfy_internal_wdt_events_process(NRF_WDT_Type * p_reg, uint32_t mask); NRFY_STATIC_INLINE void __nrfy_internal_wdt_event_enabled_clear(NRF_WDT_Type * p_reg, uint32_t mask, nrf_wdt_event_t event); /** * @defgroup nrfy_wdt WDT HALY * @{ * @ingroup nrf_wdt * @brief Hardware access layer with cache and barrier support for managing the WDT peripheral. */ #if NRF_WDT_HAS_STOP || defined(__NRFX_DOXYGEN__) /** @refhal{NRF_WDT_HAS_STOP} */ #define NRFY_WDT_HAS_STOP 1 #else #define NRFY_WDT_HAS_STOP 0 #endif /** @brief WDT configuration structure. */ typedef struct { uint32_t behaviour; ///< Watchdog behaviour flags bitmask, constructed from @ref nrf_wdt_behaviour_mask_t. uint32_t reload_value; ///< Watchdog counter initial value. } nrfy_wdt_config_t; /** * @brief Function for configuring the WDT. * * @param[in] p_reg Pointer to the structure of registers of the peripheral. * @param[in] p_config Pointer to the peripheral configuration structure. */ NRFY_STATIC_INLINE void nrfy_wdt_periph_configure(NRF_WDT_Type * p_reg, nrfy_wdt_config_t const * p_config) { nrf_wdt_behaviour_set(p_reg, p_config->behaviour); nrf_wdt_reload_value_set(p_reg, p_config->reload_value); nrf_barrier_w(); } /** * @brief Function for initializing the specified WDT interrupts. * * @param[in] p_reg Pointer to the structure of registers of the peripheral. * @param[in] mask Mask of interrupts to be initialized. * @param[in] irq_priority Interrupt priority. * @param[in] enable True if interrupts are to be enabled, false otherwise. */ NRFY_STATIC_INLINE void nrfy_wdt_int_init(NRF_WDT_Type * p_reg, uint32_t mask, uint8_t irq_priority, bool enable) { __nrfy_internal_wdt_event_enabled_clear(p_reg, mask, NRF_WDT_EVENT_TIMEOUT); #if NRFY_WDT_HAS_STOP __nrfy_internal_wdt_event_enabled_clear(p_reg, mask, NRF_WDT_EVENT_STOPPED); #endif nrf_barrier_w(); NRFX_IRQ_PRIORITY_SET(nrfx_get_irq_number(p_reg), irq_priority); NRFX_IRQ_ENABLE(nrfx_get_irq_number(p_reg)); if (enable) { nrf_wdt_int_enable(p_reg, mask); } nrf_barrier_w(); } /** * @brief Function for uninitializing the WDT interrupts. * * @param[in] p_reg Pointer to the structure of registers of the peripheral. */ NRFY_STATIC_INLINE void nrfy_wdt_int_uninit(NRF_WDT_Type * p_reg) { NRFX_IRQ_DISABLE(nrfx_get_irq_number(p_reg)); nrf_barrier_w(); } /** * @brief Function for processing the specified WDT events. * * @param[in] p_reg Pointer to the structure of registers of the peripheral. * @param[in] mask Mask of events to be processed, created by @ref NRFY_EVENT_TO_INT_BITMASK. * * @return Mask of events that were generated and processed. * To be checked against the result of @ref NRFY_EVENT_TO_INT_BITMASK(). */ NRFY_STATIC_INLINE uint32_t nrfy_wdt_events_process(NRF_WDT_Type * p_reg, uint32_t mask) { uint32_t evt_mask = __nrfy_internal_wdt_events_process(p_reg, mask); nrf_barrier_w(); return evt_mask; } /** @refhal{nrf_wdt_task_trigger} */ NRFY_STATIC_INLINE void nrfy_wdt_task_trigger(NRF_WDT_Type * p_reg, nrf_wdt_task_t task) { nrf_wdt_task_trigger(p_reg, task); nrf_barrier_w(); } /** @refhal{nrf_wdt_task_address_get} */ NRFY_STATIC_INLINE uint32_t nrfy_wdt_task_address_get(NRF_WDT_Type const * p_reg, nrf_wdt_task_t task) { return nrf_wdt_task_address_get(p_reg, task); } /** @refhal{nrf_wdt_event_clear} */ NRFY_STATIC_INLINE void nrfy_wdt_event_clear(NRF_WDT_Type * p_reg, nrf_wdt_event_t event) { nrf_wdt_event_clear(p_reg, event); nrf_barrier_w(); } /** @refhal{nrf_wdt_event_check} */ NRFY_STATIC_INLINE bool nrfy_wdt_event_check(NRF_WDT_Type const * p_reg, nrf_wdt_event_t event) { nrf_barrier_r(); bool check = nrf_wdt_event_check(p_reg, event); nrf_barrier_r(); return check; } /** @refhal{nrf_wdt_event_address_get} */ NRFY_STATIC_INLINE uint32_t nrfy_wdt_event_address_get(NRF_WDT_Type const * p_reg, nrf_wdt_event_t event) { return nrf_wdt_event_address_get(p_reg, event); } /** @refhal{nrf_wdt_int_enable} */ NRFY_STATIC_INLINE void nrfy_wdt_int_enable(NRF_WDT_Type * p_reg, uint32_t mask) { nrf_wdt_int_enable(p_reg, mask); nrf_barrier_w(); } /** @refhal{nrf_wdt_int_enable_check} */ NRFY_STATIC_INLINE uint32_t nrfy_wdt_int_enable_check(NRF_WDT_Type const * p_reg, uint32_t mask) { nrf_barrier_rw(); uint32_t check = nrf_wdt_int_enable_check(p_reg, mask); nrf_barrier_r(); return check; } /** @refhal{nrf_wdt_int_disable} */ NRFY_STATIC_INLINE void nrfy_wdt_int_disable(NRF_WDT_Type * p_reg, uint32_t mask) { nrf_wdt_int_disable(p_reg, mask); nrf_barrier_w(); } #if defined(DPPI_PRESENT) || defined(__NRFX_DOXYGEN__) /** @refhal{nrf_wdt_subscribe_set} */ NRFY_STATIC_INLINE void nrfy_wdt_subscribe_set(NRF_WDT_Type * p_reg, nrf_wdt_task_t task, uint8_t channel) { nrf_wdt_subscribe_set(p_reg, task, channel); nrf_barrier_w(); } /** @refhal{nrf_wdt_subscribe_clear} */ NRFY_STATIC_INLINE void nrfy_wdt_subscribe_clear(NRF_WDT_Type * p_reg, nrf_wdt_task_t task) { nrf_wdt_subscribe_clear(p_reg, task); nrf_barrier_w(); } /** @refhal{nrf_wdt_publish_set} */ NRFY_STATIC_INLINE void nrfy_wdt_publish_set(NRF_WDT_Type * p_reg, nrf_wdt_event_t event, uint8_t channel) { nrf_wdt_publish_set(p_reg, event, channel); nrf_barrier_w(); } /** @refhal{nrf_wdt_publish_clear} */ NRFY_STATIC_INLINE void nrfy_wdt_publish_clear(NRF_WDT_Type * p_reg, nrf_wdt_event_t event) { nrf_wdt_publish_clear(p_reg, event); nrf_barrier_w(); } #endif // defined(DPPI_PRESENT) || defined(__NRFX_DOXYGEN__) /** @refhal{nrf_wdt_behaviour_set} */ NRFY_STATIC_INLINE void nrfy_wdt_behaviour_set(NRF_WDT_Type * p_reg, uint32_t mask) { nrf_wdt_behaviour_set(p_reg, mask); nrf_barrier_w(); } /** @refhal{nrf_wdt_started_check} */ NRFY_STATIC_INLINE bool nrfy_wdt_started_check(NRF_WDT_Type const * p_reg) { nrf_barrier_r(); bool check = nrf_wdt_started_check(p_reg); nrf_barrier_r(); return check; } /** @refhal{nrf_wdt_request_status_check} */ NRFY_STATIC_INLINE bool nrfy_wdt_request_status_check(NRF_WDT_Type const * p_reg, nrf_wdt_rr_register_t rr_register) { nrf_barrier_r(); bool check = nrf_wdt_request_status_check(p_reg, rr_register); nrf_barrier_r(); return check; } /** @refhal{nrf_wdt_request_status_get} */ NRFY_STATIC_INLINE uint32_t nrfy_wdt_request_status_get(NRF_WDT_Type const * p_reg) { nrf_barrier_r(); uint32_t ret = nrf_wdt_request_status_get(p_reg); nrf_barrier_r(); return ret; } /** @refhal{nrf_wdt_reload_value_set} */ NRFY_STATIC_INLINE void nrfy_wdt_reload_value_set(NRF_WDT_Type * p_reg, uint32_t reload_value) { nrf_wdt_reload_value_set(p_reg, reload_value); nrf_barrier_w(); } /** @refhal{nrf_wdt_reload_value_get} */ NRFY_STATIC_INLINE uint32_t nrfy_wdt_reload_value_get(NRF_WDT_Type const * p_reg) { nrf_barrier_rw(); uint32_t ret = nrf_wdt_reload_value_get(p_reg); nrf_barrier_r(); return ret; } /** @refhal{nrf_wdt_reload_request_enable} */ NRFY_STATIC_INLINE void nrfy_wdt_reload_request_enable(NRF_WDT_Type * p_reg, nrf_wdt_rr_register_t rr_register) { nrf_wdt_reload_request_enable(p_reg, rr_register); nrf_barrier_w(); } /** @refhal{nrf_wdt_reload_request_disable} */ NRFY_STATIC_INLINE void nrfy_wdt_reload_request_disable(NRF_WDT_Type * p_reg, nrf_wdt_rr_register_t rr_register) { nrf_wdt_reload_request_disable(p_reg, rr_register); nrf_barrier_w(); } /** @refhal{nrf_wdt_reload_request_enable_check} */ NRFY_STATIC_INLINE bool nrfy_wdt_reload_request_enable_check(NRF_WDT_Type const * p_reg, nrf_wdt_rr_register_t rr_register) { nrf_barrier_rw(); bool check = nrf_wdt_reload_request_enable_check(p_reg, rr_register); nrf_barrier_r(); return check; } /** @refhal{nrf_wdt_reload_request_set} */ NRFY_STATIC_INLINE void nrfy_wdt_reload_request_set(NRF_WDT_Type * p_reg, nrf_wdt_rr_register_t rr_register) { nrf_wdt_reload_request_set(p_reg, rr_register); nrf_barrier_w(); } #if NRFY_WDT_HAS_STOP /** @refhal{nrf_wdt_task_stop_enable_set} */ NRFY_STATIC_INLINE void nrfy_wdt_task_stop_enable_set(NRF_WDT_Type * p_reg, bool enable) { nrf_wdt_task_stop_enable_set(p_reg, enable); nrf_barrier_w(); } #endif /** @} */ NRFY_STATIC_INLINE bool __nrfy_internal_wdt_event_handle(NRF_WDT_Type * p_reg, uint32_t mask, nrf_wdt_event_t event, uint32_t * p_evt_mask) { if ((mask & NRFY_EVENT_TO_INT_BITMASK(event)) && nrf_wdt_event_check(p_reg, event)) { nrf_wdt_event_clear(p_reg, event); if (p_evt_mask) { *p_evt_mask |= NRFY_EVENT_TO_INT_BITMASK(event); } return true; } return false; } NRFY_STATIC_INLINE uint32_t __nrfy_internal_wdt_events_process(NRF_WDT_Type * p_reg, uint32_t mask) { uint32_t evt_mask = 0; nrf_barrier_r(); (void)__nrfy_internal_wdt_event_handle(p_reg, mask, NRF_WDT_EVENT_TIMEOUT, &evt_mask); #if NRFY_WDT_HAS_STOP (void)__nrfy_internal_wdt_event_handle(p_reg, mask, NRF_WDT_EVENT_STOPPED, &evt_mask); #endif return evt_mask; } NRFY_STATIC_INLINE void __nrfy_internal_wdt_event_enabled_clear(NRF_WDT_Type * p_reg, uint32_t mask, nrf_wdt_event_t event) { if (mask & NRFY_EVENT_TO_INT_BITMASK(event)) { nrf_wdt_event_clear(p_reg, event); } } #ifdef __cplusplus } #endif #endif // NRFY_WDT_H__