| /* |
| * Copyright (c) 2019, 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 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 NRF_AAR_H__ |
| #define NRF_AAR_H__ |
| |
| #include <nrfx.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * @defgroup nrf_aar_hal AAR HAL |
| * @{ |
| * @ingroup nrf_aar |
| * @brief Hardware access layer for managing the Accelerated Address Resolver (AAR) peripheral. |
| */ |
| |
| /** @brief AAR events. */ |
| typedef enum |
| { |
| NRF_AAR_EVENT_END = offsetof(NRF_AAR_Type, EVENTS_END), ///< Address resolution procedure complete. |
| NRF_AAR_EVENT_RESOLVED = offsetof(NRF_AAR_Type, EVENTS_RESOLVED), ///< Address resolved. |
| NRF_AAR_EVENT_NOTRESOLVED = offsetof(NRF_AAR_Type, EVENTS_NOTRESOLVED), ///< Address not resolved. |
| } nrf_aar_event_t; |
| |
| /** @brief AAR interrupts. */ |
| typedef enum |
| { |
| NRF_AAR_INT_END_MASK = AAR_INTENSET_END_Msk, ///< Interrupt on END event. |
| NRF_AAR_INT_RESOLVED_MASK = AAR_INTENSET_RESOLVED_Msk, ///< Interrupt on RESOLVED event. |
| NRF_AAR_INT_NOTRESOLVED_MASK = AAR_INTENSET_NOTRESOLVED_Msk, ///< Interrupt on NOTRESOLVED event. |
| } nrf_aar_int_mask_t; |
| |
| /** @brief AAR tasks. */ |
| typedef enum |
| { |
| NRF_AAR_TASK_START = offsetof(NRF_AAR_Type, TASKS_START), ///< Start address resolution procedure. |
| NRF_AAR_TASK_STOP = offsetof(NRF_AAR_Type, TASKS_STOP), ///< Stop address resolution procedure. |
| } nrf_aar_task_t; |
| |
| /** |
| * @brief Function for retrieving the state of the AAR event. |
| * |
| * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| * @param[in] event Event to be checked. |
| * |
| * @retval true Event is set. |
| * @retval false Event is not set. |
| */ |
| __STATIC_INLINE bool nrf_aar_event_check(NRF_AAR_Type const * p_reg, |
| nrf_aar_event_t event); |
| |
| /** |
| * @brief Function for clearing the specified AAR event. |
| * |
| * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| * @param[in] event Event to be cleared. |
| */ |
| __STATIC_INLINE void nrf_aar_event_clear(NRF_AAR_Type * p_reg, |
| nrf_aar_event_t event); |
| |
| /** |
| * @brief Function for getting the address of the specified AAR event register. |
| * |
| * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| * @param[in] event Event to get the address of. |
| * |
| * @return Address of the specified event register. |
| */ |
| __STATIC_INLINE uint32_t nrf_aar_event_address_get(NRF_AAR_Type const * p_reg, |
| nrf_aar_event_t event); |
| |
| /** |
| * @brief Function for enabling the specified interrupts. |
| * |
| * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| * @param[in] mask Mask of interrupts to be enabled. |
| */ |
| __STATIC_INLINE void nrf_aar_int_enable(NRF_AAR_Type * p_reg, uint32_t mask); |
| |
| /** |
| * @brief Function for retrieving the state of the specified interrupt. |
| * |
| * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| * @param[in] mask Mask of the interrupt to be checked. |
| * |
| * @retval true Interrupt is enabled. |
| * @retval false Interrupt is not enabled. |
| */ |
| __STATIC_INLINE bool nrf_aar_int_enable_check(NRF_AAR_Type const * p_reg, |
| nrf_aar_int_mask_t mask); |
| |
| /** |
| * @brief Function for disabling the specified interrupts. |
| * |
| * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| * @param[in] mask Mask of interrupts to be disabled. |
| */ |
| __STATIC_INLINE void nrf_aar_int_disable(NRF_AAR_Type * p_reg, uint32_t mask); |
| |
| /** |
| * @brief Function for starting an AAR task. |
| * |
| * @param p_reg Pointer to the structure of registers of the peripheral. |
| * @param task Task to be activated. |
| */ |
| __STATIC_INLINE void nrf_aar_task_trigger(NRF_AAR_Type * p_reg, nrf_aar_task_t task); |
| |
| /** |
| * @brief Function for getting the address of a specific AAR task register. |
| * |
| * @param p_reg Pointer to the structure of registers of the peripheral. |
| * @param task Requested AAR task. |
| * |
| * @return Address of the specified task register. |
| */ |
| __STATIC_INLINE uint32_t nrf_aar_task_address_get(NRF_AAR_Type const * p_reg, |
| nrf_aar_task_t task); |
| |
| /** |
| * @brief Function for enabling AAR. |
| * |
| * @param p_reg Pointer to the structure of registers of the peripheral. |
| */ |
| __STATIC_INLINE void nrf_aar_enable(NRF_AAR_Type * p_reg); |
| |
| /** |
| * @brief Function for disabling AAR. |
| * |
| * @param p_reg Pointer to the structure of registers of the peripheral. |
| */ |
| __STATIC_INLINE void nrf_aar_disable(NRF_AAR_Type * p_reg); |
| |
| /** |
| * @brief Function for setting the pointer to the Identity Resolving Keys (IRK) data structure. |
| * |
| * The size of the provided data structure must correspond to the number of keys available. |
| * Each key occupies 16 bytes. |
| * |
| * @param p_reg Pointer to the structure of registers of the peripheral. |
| * @param irk_ptr Pointer to the IRK data structure. Must point to the Data RAM region. |
| * |
| * @sa nrf_aar_irk_number_set |
| */ |
| __STATIC_INLINE void nrf_aar_irk_pointer_set(NRF_AAR_Type * p_reg, uint8_t const * irk_ptr); |
| |
| /** |
| * @brief Function for getting the pointer to the Identity Resolving Keys |
| * data structure. |
| * |
| * @param p_reg Pointer to the structure of registers of the peripheral. |
| * |
| * @return Pointer to the IRK data structure. |
| */ |
| __STATIC_INLINE uint8_t const * nrf_aar_irk_pointer_get(NRF_AAR_Type const * p_reg); |
| |
| /** |
| * @brief Function for setting the number of keys available in the Identity Resolving Keys |
| * data structure. |
| * |
| * @param p_reg Pointer to the structure of registers of the peripheral. |
| * @param irk_num Number of keys available in the IRK data structure. Maximum is 16. |
| * Must correspond to the size of the provided IRK data structure. |
| * |
| * @sa nrf_aar_irk_pointer_set |
| */ |
| __STATIC_INLINE void nrf_aar_irk_number_set(NRF_AAR_Type * p_reg, uint8_t irk_num); |
| |
| /** |
| * @brief Function for getting the number of keys available in the Identity Resolving Keys |
| * data structure. |
| * |
| * @param p_reg Pointer to the structure of registers of the peripheral. |
| * |
| * @return Number of keys in the IRK data structure. |
| */ |
| __STATIC_INLINE uint8_t nrf_aar_irk_number_get(NRF_AAR_Type const * p_reg); |
| |
| /** |
| * @brief Function for setting the pointer to the resolvable address. |
| * |
| * The resolvable address must consist of 6 bytes. |
| * |
| * @param p_reg Pointer to the structure of registers of the peripheral. |
| * @param addr_ptr Pointer to the address to resolve using the available IRK keys. |
| * Must point to the Data RAM region. |
| */ |
| __STATIC_INLINE void nrf_aar_addr_pointer_set(NRF_AAR_Type * p_reg, uint8_t const * addr_ptr); |
| |
| /** |
| * @brief Function for getting the pointer to the resolvable address. |
| * |
| * @param p_reg Pointer to the structure of registers of the peripheral. |
| * |
| * @return Pointer to the address to resolve. |
| */ |
| __STATIC_INLINE uint8_t const * nrf_aar_addr_pointer_get(NRF_AAR_Type const * p_reg); |
| |
| /** |
| * @brief Function for setting the pointer to the scratch data area. |
| * |
| * The scratch data area is used for temporary storage during the address resolution procedure. |
| * A space of minimum 3 bytes must be reserved for the scratch data area. |
| * |
| * @param p_reg Pointer to the structure of registers of the peripheral. |
| * @param scratch_ptr Pointer to the scratch data area. Must point to the Data RAM region. |
| */ |
| __STATIC_INLINE void nrf_aar_scratch_pointer_set(NRF_AAR_Type * p_reg, uint8_t * scratch_ptr); |
| |
| /** |
| * @brief Function for getting the pointer to the scratch data area. |
| * |
| * @param p_reg Pointer to the structure of registers of the peripheral. |
| * |
| * @return Pointer to the scratch data area. |
| */ |
| __STATIC_INLINE uint8_t * nrf_aar_scratch_pointer_get(NRF_AAR_Type const * p_reg); |
| |
| /** |
| * @brief Function for getting the index of the Identity Resolving Key that was used |
| * the last time an address was resolved. |
| * |
| * This function can be used to get the IRK index that matched the resolvable address, |
| * provided that @ref NRF_AAR_EVENT_RESOLVED occured. Otherwise, it will return |
| * the index of the last IRK stored in the IRK data structure. |
| * |
| * @param p_reg Pointer to the structure of registers of the peripheral. |
| * |
| * @return The index of the IRK that was used the last time an address was resolved. |
| */ |
| __STATIC_INLINE uint8_t nrf_aar_resolution_status_get(NRF_AAR_Type const * p_reg); |
| |
| #ifndef SUPPRESS_INLINE_IMPLEMENTATION |
| __STATIC_INLINE bool nrf_aar_event_check(NRF_AAR_Type const * p_reg, |
| nrf_aar_event_t aar_event) |
| { |
| return (bool)*(volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)aar_event); |
| } |
| |
| __STATIC_INLINE void nrf_aar_event_clear(NRF_AAR_Type * p_reg, |
| nrf_aar_event_t aar_event) |
| { |
| *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)aar_event)) = 0; |
| #if __CORTEX_M == 0x04 |
| volatile uint32_t dummy = *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)aar_event)); |
| (void)dummy; |
| #endif |
| } |
| |
| __STATIC_INLINE uint32_t nrf_aar_event_address_get(NRF_AAR_Type const * p_reg, |
| nrf_aar_event_t aar_event) |
| { |
| return (uint32_t)((uint8_t *)p_reg + (uint32_t)aar_event); |
| } |
| |
| __STATIC_INLINE void nrf_aar_int_enable(NRF_AAR_Type * p_reg, uint32_t mask) |
| { |
| p_reg->INTENSET = mask; |
| } |
| |
| __STATIC_INLINE bool nrf_aar_int_enable_check(NRF_AAR_Type const * p_reg, |
| nrf_aar_int_mask_t mask) |
| { |
| return (bool)(p_reg->INTENSET & mask); |
| } |
| |
| __STATIC_INLINE void nrf_aar_int_disable(NRF_AAR_Type * p_reg, uint32_t mask) |
| { |
| p_reg->INTENCLR = mask; |
| } |
| |
| __STATIC_INLINE void nrf_aar_task_trigger(NRF_AAR_Type * p_reg, nrf_aar_task_t task) |
| { |
| *(volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)task) = 1; |
| } |
| |
| __STATIC_INLINE uint32_t nrf_aar_task_address_get(NRF_AAR_Type const * p_reg, |
| nrf_aar_task_t task) |
| { |
| return (uint32_t)((uint8_t *)p_reg + (uint32_t)task); |
| } |
| |
| __STATIC_INLINE void nrf_aar_enable(NRF_AAR_Type * p_reg) |
| { |
| p_reg->ENABLE = AAR_ENABLE_ENABLE_Enabled << AAR_ENABLE_ENABLE_Pos; |
| } |
| |
| __STATIC_INLINE void nrf_aar_disable(NRF_AAR_Type * p_reg) |
| { |
| p_reg->ENABLE = AAR_ENABLE_ENABLE_Disabled << AAR_ENABLE_ENABLE_Pos; |
| } |
| |
| __STATIC_INLINE void nrf_aar_irk_pointer_set(NRF_AAR_Type * p_reg, uint8_t const * irk_ptr) |
| { |
| p_reg->IRKPTR = (uint32_t)irk_ptr; |
| } |
| |
| __STATIC_INLINE uint8_t const * nrf_aar_irk_pointer_get(NRF_AAR_Type const * p_reg) |
| { |
| return (uint8_t const *)(p_reg->IRKPTR); |
| } |
| |
| __STATIC_INLINE void nrf_aar_irk_number_set(NRF_AAR_Type * p_reg, uint8_t irk_num) |
| { |
| p_reg->NIRK = irk_num; |
| } |
| |
| __STATIC_INLINE uint8_t nrf_aar_irk_number_get(NRF_AAR_Type const * p_reg) |
| { |
| return (uint8_t)(p_reg->NIRK); |
| } |
| |
| __STATIC_INLINE void nrf_aar_addr_pointer_set(NRF_AAR_Type * p_reg, uint8_t const * addr_ptr) |
| { |
| p_reg->ADDRPTR = (uint32_t)addr_ptr; |
| } |
| |
| __STATIC_INLINE uint8_t const * nrf_aar_addr_pointer_get(NRF_AAR_Type const * p_reg) |
| { |
| return (uint8_t const *)(p_reg->ADDRPTR); |
| } |
| |
| __STATIC_INLINE void nrf_aar_scratch_pointer_set(NRF_AAR_Type * p_reg, uint8_t * scratch_ptr) |
| { |
| p_reg->SCRATCHPTR = (uint32_t)scratch_ptr; |
| } |
| |
| __STATIC_INLINE uint8_t * nrf_aar_scratch_pointer_get(NRF_AAR_Type const * p_reg) |
| { |
| return (uint8_t *)(p_reg->SCRATCHPTR); |
| } |
| |
| __STATIC_INLINE uint8_t nrf_aar_resolution_status_get(NRF_AAR_Type const * p_reg) |
| { |
| return (uint8_t)(p_reg->STATUS); |
| } |
| |
| #endif // SUPPRESS_INLINE_IMPLEMENTATION |
| |
| /** @} */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // NRF_AAR_H__ |