|
| 1 | +/** |
| 2 | + * Part of the real nrf_aar.h from Nordic's NRFx HAL |
| 3 | + * |
| 4 | + * Note that there is a few changes compared to the original |
| 5 | + * Where relevant, these changes are: |
| 6 | + * Copyright (c) 2020 Nordic Semiconductor ASA |
| 7 | + * SPDX-License-Identifier: BSD-3-Clause |
| 8 | + */ |
| 9 | + |
| 10 | +/* |
| 11 | + * Copyright (c) 2019 - 2020, Nordic Semiconductor ASA |
| 12 | + * All rights reserved. |
| 13 | + * |
| 14 | + * Redistribution and use in source and binary forms, with or without |
| 15 | + * modification, are permitted provided that the following conditions are met: |
| 16 | + * |
| 17 | + * 1. Redistributions of source code must retain the above copyright notice, this |
| 18 | + * list of conditions and the following disclaimer. |
| 19 | + * |
| 20 | + * 2. Redistributions in binary form must reproduce the above copyright |
| 21 | + * notice, this list of conditions and the following disclaimer in the |
| 22 | + * documentation and/or other materials provided with the distribution. |
| 23 | + * |
| 24 | + * 3. Neither the name of the copyright holder nor the names of its |
| 25 | + * contributors may be used to endorse or promote products derived from this |
| 26 | + * software without specific prior written permission. |
| 27 | + * |
| 28 | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 29 | + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 30 | + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 31 | + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 32 | + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 33 | + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 34 | + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 35 | + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 36 | + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 37 | + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 38 | + * POSSIBILITY OF SUCH DAMAGE. |
| 39 | + */ |
| 40 | + |
| 41 | +#ifndef BS_NRF_AAR_H__ |
| 42 | +#define BS_NRF_AAR_H__ |
| 43 | + |
| 44 | +#include "nrf_soc_if.h" |
| 45 | +#include "../drivers/nrfx_common.h" |
| 46 | + |
| 47 | +#ifdef __cplusplus |
| 48 | +extern "C" { |
| 49 | +#endif |
| 50 | + |
| 51 | +/** @brief AAR events. */ |
| 52 | +typedef enum |
| 53 | +{ |
| 54 | + NRF_AAR_EVENT_END = offsetof(NRF_AAR_Type, EVENTS_END), ///< Address resolution procedure complete. |
| 55 | + NRF_AAR_EVENT_RESOLVED = offsetof(NRF_AAR_Type, EVENTS_RESOLVED), ///< Address resolved. |
| 56 | + NRF_AAR_EVENT_NOTRESOLVED = offsetof(NRF_AAR_Type, EVENTS_NOTRESOLVED), ///< Address not resolved. |
| 57 | +} nrf_aar_event_t; |
| 58 | + |
| 59 | +/** @brief AAR tasks. */ |
| 60 | +typedef enum |
| 61 | +{ |
| 62 | + NRF_AAR_TASK_START = offsetof(NRF_AAR_Type, TASKS_START), ///< Start address resolution procedure. |
| 63 | + NRF_AAR_TASK_STOP = offsetof(NRF_AAR_Type, TASKS_STOP), ///< Stop address resolution procedure. |
| 64 | +} nrf_aar_task_t; |
| 65 | + |
| 66 | +/** |
| 67 | + * @brief Function for retrieving the state of the AAR event. |
| 68 | + * |
| 69 | + * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| 70 | + * @param[in] event Event to be checked. |
| 71 | + * |
| 72 | + * @retval true Event is set. |
| 73 | + * @retval false Event is not set. |
| 74 | + */ |
| 75 | +NRF_STATIC_INLINE bool nrf_aar_event_check(NRF_AAR_Type const * p_reg, |
| 76 | + nrf_aar_event_t event); |
| 77 | + |
| 78 | +/** |
| 79 | + * @brief Function for clearing the specified AAR event. |
| 80 | + * |
| 81 | + * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| 82 | + * @param[in] event Event to be cleared. |
| 83 | + */ |
| 84 | +NRF_STATIC_INLINE void nrf_aar_event_clear(NRF_AAR_Type * p_reg, |
| 85 | + nrf_aar_event_t event); |
| 86 | + |
| 87 | +/** |
| 88 | + * @brief Function for disabling the specified interrupts. |
| 89 | + * |
| 90 | + * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| 91 | + * @param[in] mask Mask of interrupts to be disabled. |
| 92 | + */ |
| 93 | +void nrf_aar_int_disable(NRF_AAR_Type * p_reg, uint32_t mask); |
| 94 | + |
| 95 | +/** |
| 96 | + * @brief Function for starting an AAR task. |
| 97 | + * |
| 98 | + * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| 99 | + * @param[in] task Task to be activated. |
| 100 | + */ |
| 101 | +void nrf_aar_task_trigger(NRF_AAR_Type * p_reg, nrf_aar_task_t task); |
| 102 | + |
| 103 | +/** |
| 104 | + * @brief Function for enabling AAR. |
| 105 | + * |
| 106 | + * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| 107 | + */ |
| 108 | +NRF_STATIC_INLINE void nrf_aar_enable(NRF_AAR_Type * p_reg); |
| 109 | + |
| 110 | +/** |
| 111 | + * @brief Function for disabling AAR. |
| 112 | + * |
| 113 | + * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| 114 | + */ |
| 115 | +NRF_STATIC_INLINE void nrf_aar_disable(NRF_AAR_Type * p_reg); |
| 116 | + |
| 117 | +/** |
| 118 | + * @brief Function for setting the pointer to the Identity Resolving Keys (IRK) data structure. |
| 119 | + * |
| 120 | + * The size of the provided data structure must correspond to the number of keys available. |
| 121 | + * Each key occupies 16 bytes. |
| 122 | + * |
| 123 | + * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| 124 | + * @param[in] irk_ptr Pointer to the IRK data structure. Must point to the Data RAM region. |
| 125 | + * |
| 126 | + * @sa nrf_aar_irk_number_set |
| 127 | + */ |
| 128 | +NRF_STATIC_INLINE void nrf_aar_irk_pointer_set(NRF_AAR_Type * p_reg, uint8_t const * irk_ptr); |
| 129 | + |
| 130 | +/** |
| 131 | + * @brief Function for setting the number of keys available in the Identity Resolving Keys |
| 132 | + * data structure. |
| 133 | + * |
| 134 | + * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| 135 | + * @param[in] irk_num Number of keys available in the IRK data structure. Maximum is 16. |
| 136 | + * Must correspond to the size of the provided IRK data structure. |
| 137 | + * |
| 138 | + * @sa nrf_aar_irk_pointer_set |
| 139 | + */ |
| 140 | +NRF_STATIC_INLINE void nrf_aar_irk_number_set(NRF_AAR_Type * p_reg, uint8_t irk_num); |
| 141 | + |
| 142 | +/** |
| 143 | + * @brief Function for setting the pointer to the resolvable address. |
| 144 | + * |
| 145 | + * The resolvable address must consist of 6 bytes. |
| 146 | + * |
| 147 | + * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| 148 | + * @param[in] addr_ptr Pointer to the address to resolve using the available IRK keys. |
| 149 | + * Must point to the Data RAM region. |
| 150 | + */ |
| 151 | +NRF_STATIC_INLINE void nrf_aar_addr_pointer_set(NRF_AAR_Type * p_reg, uint8_t const * addr_ptr); |
| 152 | + |
| 153 | +/** |
| 154 | + * @brief Function for setting the pointer to the scratch data area. |
| 155 | + * |
| 156 | + * The scratch data area is used for temporary storage during the address resolution procedure. |
| 157 | + * A space of minimum 3 bytes must be reserved for the scratch data area. |
| 158 | + * |
| 159 | + * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| 160 | + * @param[in] scratch_ptr Pointer to the scratch data area. Must point to the Data RAM region. |
| 161 | + */ |
| 162 | +NRF_STATIC_INLINE void nrf_aar_scratch_pointer_set(NRF_AAR_Type * p_reg, uint8_t * scratch_ptr); |
| 163 | + |
| 164 | +/** |
| 165 | + * @brief Function for getting the index of the Identity Resolving Key that was used |
| 166 | + * the last time an address was resolved. |
| 167 | + * |
| 168 | + * This function can be used to get the IRK index that matched the resolvable address, |
| 169 | + * provided that @ref NRF_AAR_EVENT_RESOLVED occured. Otherwise, it will return |
| 170 | + * the index of the last IRK stored in the IRK data structure. |
| 171 | + * |
| 172 | + * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| 173 | + * |
| 174 | + * @return The index of the IRK that was used the last time an address was resolved. |
| 175 | + */ |
| 176 | +NRF_STATIC_INLINE uint8_t nrf_aar_resolution_status_get(NRF_AAR_Type const * p_reg); |
| 177 | + |
| 178 | +/*****************************/ |
| 179 | +/* Inlined functions bodies: */ |
| 180 | +/*****************************/ |
| 181 | + |
| 182 | +NRF_STATIC_INLINE bool nrf_aar_event_check(NRF_AAR_Type const * p_reg, |
| 183 | + nrf_aar_event_t aar_event) |
| 184 | +{ |
| 185 | + return (bool)*(volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)aar_event); |
| 186 | +} |
| 187 | + |
| 188 | +NRF_STATIC_INLINE void nrf_aar_event_clear(NRF_AAR_Type * p_reg, |
| 189 | + nrf_aar_event_t aar_event) |
| 190 | +{ |
| 191 | + *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)aar_event)) = 0; |
| 192 | +#if __CORTEX_M == 0x04 |
| 193 | + volatile uint32_t dummy = *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)aar_event)); |
| 194 | + (void)dummy; |
| 195 | +#endif |
| 196 | +} |
| 197 | + |
| 198 | +NRF_STATIC_INLINE void nrf_aar_enable(NRF_AAR_Type * p_reg) |
| 199 | +{ |
| 200 | + p_reg->ENABLE = AAR_ENABLE_ENABLE_Enabled << AAR_ENABLE_ENABLE_Pos; |
| 201 | +} |
| 202 | + |
| 203 | +NRF_STATIC_INLINE void nrf_aar_disable(NRF_AAR_Type * p_reg) |
| 204 | +{ |
| 205 | + p_reg->ENABLE = AAR_ENABLE_ENABLE_Disabled << AAR_ENABLE_ENABLE_Pos; |
| 206 | +} |
| 207 | + |
| 208 | +NRF_STATIC_INLINE void nrf_aar_irk_pointer_set(NRF_AAR_Type * p_reg, uint8_t const * irk_ptr) |
| 209 | +{ |
| 210 | + p_reg->IRKPTR = (uint32_t)irk_ptr; |
| 211 | +} |
| 212 | + |
| 213 | +NRF_STATIC_INLINE void nrf_aar_irk_number_set(NRF_AAR_Type * p_reg, uint8_t irk_num) |
| 214 | +{ |
| 215 | + p_reg->NIRK = irk_num; |
| 216 | +} |
| 217 | + |
| 218 | +NRF_STATIC_INLINE void nrf_aar_addr_pointer_set(NRF_AAR_Type * p_reg, uint8_t const * addr_ptr) |
| 219 | +{ |
| 220 | + p_reg->ADDRPTR = (uint32_t)addr_ptr; |
| 221 | +} |
| 222 | + |
| 223 | +NRF_STATIC_INLINE void nrf_aar_scratch_pointer_set(NRF_AAR_Type * p_reg, uint8_t * scratch_ptr) |
| 224 | +{ |
| 225 | + p_reg->SCRATCHPTR = (uint32_t)scratch_ptr; |
| 226 | +} |
| 227 | + |
| 228 | +NRF_STATIC_INLINE uint8_t nrf_aar_resolution_status_get(NRF_AAR_Type const * p_reg) |
| 229 | +{ |
| 230 | + return (uint8_t)(p_reg->STATUS); |
| 231 | +} |
| 232 | + |
| 233 | +#ifdef __cplusplus |
| 234 | +} |
| 235 | +#endif |
| 236 | + |
| 237 | +#endif /* BS_NRF_AAR_H__ */ |
0 commit comments