Nordic stack and drivers for the mbed BLE API
Fork of nRF51822 by
TARGET_MCU_NRF51822/sdk/source/libraries/util/sdk_mapped_flags.c@638:c90ae1400bf2, 2016-09-14 (annotated)
- Committer:
- Vincent Coubard
- Date:
- Wed Sep 14 14:39:43 2016 +0100
- Revision:
- 638:c90ae1400bf2
Sync with bdab10dc0f90748b6989c8b577771bb403ca6bd8 from ARMmbed/mbed-os.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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Vincent Coubard |
638:c90ae1400bf2 | 1 | /* |
Vincent Coubard |
638:c90ae1400bf2 | 2 | * Copyright (c) Nordic Semiconductor ASA |
Vincent Coubard |
638:c90ae1400bf2 | 3 | * All rights reserved. |
Vincent Coubard |
638:c90ae1400bf2 | 4 | * |
Vincent Coubard |
638:c90ae1400bf2 | 5 | * Redistribution and use in source and binary forms, with or without modification, |
Vincent Coubard |
638:c90ae1400bf2 | 6 | * are permitted provided that the following conditions are met: |
Vincent Coubard |
638:c90ae1400bf2 | 7 | * |
Vincent Coubard |
638:c90ae1400bf2 | 8 | * 1. Redistributions of source code must retain the above copyright notice, this |
Vincent Coubard |
638:c90ae1400bf2 | 9 | * list of conditions and the following disclaimer. |
Vincent Coubard |
638:c90ae1400bf2 | 10 | * |
Vincent Coubard |
638:c90ae1400bf2 | 11 | * 2. Redistributions in binary form must reproduce the above copyright notice, this |
Vincent Coubard |
638:c90ae1400bf2 | 12 | * list of conditions and the following disclaimer in the documentation and/or |
Vincent Coubard |
638:c90ae1400bf2 | 13 | * other materials provided with the distribution. |
Vincent Coubard |
638:c90ae1400bf2 | 14 | * |
Vincent Coubard |
638:c90ae1400bf2 | 15 | * 3. Neither the name of Nordic Semiconductor ASA nor the names of other |
Vincent Coubard |
638:c90ae1400bf2 | 16 | * contributors to this software may be used to endorse or promote products |
Vincent Coubard |
638:c90ae1400bf2 | 17 | * derived from this software without specific prior written permission. |
Vincent Coubard |
638:c90ae1400bf2 | 18 | * |
Vincent Coubard |
638:c90ae1400bf2 | 19 | * |
Vincent Coubard |
638:c90ae1400bf2 | 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
Vincent Coubard |
638:c90ae1400bf2 | 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
Vincent Coubard |
638:c90ae1400bf2 | 22 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
Vincent Coubard |
638:c90ae1400bf2 | 23 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
Vincent Coubard |
638:c90ae1400bf2 | 24 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
Vincent Coubard |
638:c90ae1400bf2 | 25 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
Vincent Coubard |
638:c90ae1400bf2 | 26 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
Vincent Coubard |
638:c90ae1400bf2 | 27 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
Vincent Coubard |
638:c90ae1400bf2 | 28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
Vincent Coubard |
638:c90ae1400bf2 | 29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Vincent Coubard |
638:c90ae1400bf2 | 30 | * |
Vincent Coubard |
638:c90ae1400bf2 | 31 | */ |
Vincent Coubard |
638:c90ae1400bf2 | 32 | |
Vincent Coubard |
638:c90ae1400bf2 | 33 | #include "sdk_mapped_flags.h" |
Vincent Coubard |
638:c90ae1400bf2 | 34 | #include <stdint.h> |
Vincent Coubard |
638:c90ae1400bf2 | 35 | #include <stdbool.h> |
Vincent Coubard |
638:c90ae1400bf2 | 36 | #include <stddef.h> |
Vincent Coubard |
638:c90ae1400bf2 | 37 | #include "compiler_abstraction.h" |
Vincent Coubard |
638:c90ae1400bf2 | 38 | |
Vincent Coubard |
638:c90ae1400bf2 | 39 | |
Vincent Coubard |
638:c90ae1400bf2 | 40 | /**@brief Function for setting the state of a flag to true. |
Vincent Coubard |
638:c90ae1400bf2 | 41 | * |
Vincent Coubard |
638:c90ae1400bf2 | 42 | * @note This function does not check whether the index is valid. |
Vincent Coubard |
638:c90ae1400bf2 | 43 | * |
Vincent Coubard |
638:c90ae1400bf2 | 44 | * @param[in] p_flags The collection of flags to modify. |
Vincent Coubard |
638:c90ae1400bf2 | 45 | * @param[in] index The index of the flag to modify. |
Vincent Coubard |
638:c90ae1400bf2 | 46 | */ |
Vincent Coubard |
638:c90ae1400bf2 | 47 | static __INLINE void sdk_mapped_flags_set_by_index(sdk_mapped_flags_t * p_flags, uint16_t index) |
Vincent Coubard |
638:c90ae1400bf2 | 48 | { |
Vincent Coubard |
638:c90ae1400bf2 | 49 | *p_flags |= (1U << index); |
Vincent Coubard |
638:c90ae1400bf2 | 50 | } |
Vincent Coubard |
638:c90ae1400bf2 | 51 | |
Vincent Coubard |
638:c90ae1400bf2 | 52 | |
Vincent Coubard |
638:c90ae1400bf2 | 53 | /**@brief Function for setting the state of a flag to false. |
Vincent Coubard |
638:c90ae1400bf2 | 54 | * |
Vincent Coubard |
638:c90ae1400bf2 | 55 | * @note This function does not check whether the index is valid. |
Vincent Coubard |
638:c90ae1400bf2 | 56 | * |
Vincent Coubard |
638:c90ae1400bf2 | 57 | * @param[in] p_flags The collection of flags to modify. |
Vincent Coubard |
638:c90ae1400bf2 | 58 | * @param[in] index The index of the flag to modify. |
Vincent Coubard |
638:c90ae1400bf2 | 59 | */ |
Vincent Coubard |
638:c90ae1400bf2 | 60 | static __INLINE void sdk_mapped_flags_clear_by_index(sdk_mapped_flags_t * p_flags, uint16_t index) |
Vincent Coubard |
638:c90ae1400bf2 | 61 | { |
Vincent Coubard |
638:c90ae1400bf2 | 62 | *p_flags &= ~(1U << index); |
Vincent Coubard |
638:c90ae1400bf2 | 63 | } |
Vincent Coubard |
638:c90ae1400bf2 | 64 | |
Vincent Coubard |
638:c90ae1400bf2 | 65 | |
Vincent Coubard |
638:c90ae1400bf2 | 66 | /**@brief Function for getting the state of a flag. |
Vincent Coubard |
638:c90ae1400bf2 | 67 | * |
Vincent Coubard |
638:c90ae1400bf2 | 68 | * @note This function does not check whether the index is valid. |
Vincent Coubard |
638:c90ae1400bf2 | 69 | * |
Vincent Coubard |
638:c90ae1400bf2 | 70 | * @param[in] p_flags The collection of flags to read. |
Vincent Coubard |
638:c90ae1400bf2 | 71 | * @param[in] index The index of the flag to get. |
Vincent Coubard |
638:c90ae1400bf2 | 72 | */ |
Vincent Coubard |
638:c90ae1400bf2 | 73 | static __INLINE bool sdk_mapped_flags_get_by_index(sdk_mapped_flags_t flags, uint16_t index) |
Vincent Coubard |
638:c90ae1400bf2 | 74 | { |
Vincent Coubard |
638:c90ae1400bf2 | 75 | return ((flags & (1 << index)) != 0); |
Vincent Coubard |
638:c90ae1400bf2 | 76 | } |
Vincent Coubard |
638:c90ae1400bf2 | 77 | |
Vincent Coubard |
638:c90ae1400bf2 | 78 | |
Vincent Coubard |
638:c90ae1400bf2 | 79 | |
Vincent Coubard |
638:c90ae1400bf2 | 80 | uint16_t sdk_mapped_flags_first_key_index_get(sdk_mapped_flags_t flags) |
Vincent Coubard |
638:c90ae1400bf2 | 81 | { |
Vincent Coubard |
638:c90ae1400bf2 | 82 | for (uint16_t i = 0; i < SDK_MAPPED_FLAGS_N_KEYS; i++) |
Vincent Coubard |
638:c90ae1400bf2 | 83 | { |
Vincent Coubard |
638:c90ae1400bf2 | 84 | if (sdk_mapped_flags_get_by_index(flags, i)) |
Vincent Coubard |
638:c90ae1400bf2 | 85 | { |
Vincent Coubard |
638:c90ae1400bf2 | 86 | return i; |
Vincent Coubard |
638:c90ae1400bf2 | 87 | } |
Vincent Coubard |
638:c90ae1400bf2 | 88 | } |
Vincent Coubard |
638:c90ae1400bf2 | 89 | return SDK_MAPPED_FLAGS_INVALID_INDEX; |
Vincent Coubard |
638:c90ae1400bf2 | 90 | } |
Vincent Coubard |
638:c90ae1400bf2 | 91 | |
Vincent Coubard |
638:c90ae1400bf2 | 92 | |
Vincent Coubard |
638:c90ae1400bf2 | 93 | void sdk_mapped_flags_update_by_key(uint16_t * p_keys, |
Vincent Coubard |
638:c90ae1400bf2 | 94 | sdk_mapped_flags_t * p_flags, |
Vincent Coubard |
638:c90ae1400bf2 | 95 | uint16_t key, |
Vincent Coubard |
638:c90ae1400bf2 | 96 | bool value) |
Vincent Coubard |
638:c90ae1400bf2 | 97 | { |
Vincent Coubard |
638:c90ae1400bf2 | 98 | sdk_mapped_flags_bulk_update_by_key(p_keys, p_flags, 1, key, value); |
Vincent Coubard |
638:c90ae1400bf2 | 99 | } |
Vincent Coubard |
638:c90ae1400bf2 | 100 | |
Vincent Coubard |
638:c90ae1400bf2 | 101 | |
Vincent Coubard |
638:c90ae1400bf2 | 102 | void sdk_mapped_flags_bulk_update_by_key(uint16_t * p_keys, |
Vincent Coubard |
638:c90ae1400bf2 | 103 | sdk_mapped_flags_t * p_flags, |
Vincent Coubard |
638:c90ae1400bf2 | 104 | uint32_t n_flag_collections, |
Vincent Coubard |
638:c90ae1400bf2 | 105 | uint16_t key, |
Vincent Coubard |
638:c90ae1400bf2 | 106 | bool value) |
Vincent Coubard |
638:c90ae1400bf2 | 107 | { |
Vincent Coubard |
638:c90ae1400bf2 | 108 | if ((p_keys != NULL) && (p_flags != NULL) && (n_flag_collections > 0)) |
Vincent Coubard |
638:c90ae1400bf2 | 109 | { |
Vincent Coubard |
638:c90ae1400bf2 | 110 | for (int i = 0; i < SDK_MAPPED_FLAGS_N_KEYS; i++) |
Vincent Coubard |
638:c90ae1400bf2 | 111 | { |
Vincent Coubard |
638:c90ae1400bf2 | 112 | if (p_keys[i] == key) |
Vincent Coubard |
638:c90ae1400bf2 | 113 | { |
Vincent Coubard |
638:c90ae1400bf2 | 114 | for (int j = 0; j < n_flag_collections; j++) |
Vincent Coubard |
638:c90ae1400bf2 | 115 | { |
Vincent Coubard |
638:c90ae1400bf2 | 116 | if (value) |
Vincent Coubard |
638:c90ae1400bf2 | 117 | { |
Vincent Coubard |
638:c90ae1400bf2 | 118 | sdk_mapped_flags_set_by_index(&p_flags[j], i); |
Vincent Coubard |
638:c90ae1400bf2 | 119 | } |
Vincent Coubard |
638:c90ae1400bf2 | 120 | else |
Vincent Coubard |
638:c90ae1400bf2 | 121 | { |
Vincent Coubard |
638:c90ae1400bf2 | 122 | sdk_mapped_flags_clear_by_index(&p_flags[j], i); |
Vincent Coubard |
638:c90ae1400bf2 | 123 | } |
Vincent Coubard |
638:c90ae1400bf2 | 124 | } |
Vincent Coubard |
638:c90ae1400bf2 | 125 | return; |
Vincent Coubard |
638:c90ae1400bf2 | 126 | } |
Vincent Coubard |
638:c90ae1400bf2 | 127 | } |
Vincent Coubard |
638:c90ae1400bf2 | 128 | } |
Vincent Coubard |
638:c90ae1400bf2 | 129 | } |
Vincent Coubard |
638:c90ae1400bf2 | 130 | |
Vincent Coubard |
638:c90ae1400bf2 | 131 | |
Vincent Coubard |
638:c90ae1400bf2 | 132 | bool sdk_mapped_flags_get_by_key(uint16_t * p_keys, sdk_mapped_flags_t flags, uint16_t key) |
Vincent Coubard |
638:c90ae1400bf2 | 133 | { |
Vincent Coubard |
638:c90ae1400bf2 | 134 | if (p_keys != NULL) |
Vincent Coubard |
638:c90ae1400bf2 | 135 | { |
Vincent Coubard |
638:c90ae1400bf2 | 136 | for (int i = 0; i < SDK_MAPPED_FLAGS_N_KEYS; i++) |
Vincent Coubard |
638:c90ae1400bf2 | 137 | { |
Vincent Coubard |
638:c90ae1400bf2 | 138 | if (p_keys[i] == key) |
Vincent Coubard |
638:c90ae1400bf2 | 139 | { |
Vincent Coubard |
638:c90ae1400bf2 | 140 | return sdk_mapped_flags_get_by_index(flags, i); |
Vincent Coubard |
638:c90ae1400bf2 | 141 | } |
Vincent Coubard |
638:c90ae1400bf2 | 142 | } |
Vincent Coubard |
638:c90ae1400bf2 | 143 | } |
Vincent Coubard |
638:c90ae1400bf2 | 144 | return false; |
Vincent Coubard |
638:c90ae1400bf2 | 145 | } |
Vincent Coubard |
638:c90ae1400bf2 | 146 | |
Vincent Coubard |
638:c90ae1400bf2 | 147 | |
Vincent Coubard |
638:c90ae1400bf2 | 148 | sdk_mapped_flags_key_list_t sdk_mapped_flags_key_list_get(uint16_t * p_keys, |
Vincent Coubard |
638:c90ae1400bf2 | 149 | sdk_mapped_flags_t flags) |
Vincent Coubard |
638:c90ae1400bf2 | 150 | { |
Vincent Coubard |
638:c90ae1400bf2 | 151 | sdk_mapped_flags_key_list_t key_list; |
Vincent Coubard |
638:c90ae1400bf2 | 152 | key_list.len = 0; |
Vincent Coubard |
638:c90ae1400bf2 | 153 | |
Vincent Coubard |
638:c90ae1400bf2 | 154 | if (p_keys != NULL) |
Vincent Coubard |
638:c90ae1400bf2 | 155 | { |
Vincent Coubard |
638:c90ae1400bf2 | 156 | for (int i = 0; i < SDK_MAPPED_FLAGS_N_KEYS; i++) |
Vincent Coubard |
638:c90ae1400bf2 | 157 | { |
Vincent Coubard |
638:c90ae1400bf2 | 158 | if (sdk_mapped_flags_get_by_index(flags, i)) |
Vincent Coubard |
638:c90ae1400bf2 | 159 | { |
Vincent Coubard |
638:c90ae1400bf2 | 160 | key_list.flag_keys[key_list.len++] = p_keys[i]; |
Vincent Coubard |
638:c90ae1400bf2 | 161 | } |
Vincent Coubard |
638:c90ae1400bf2 | 162 | } |
Vincent Coubard |
638:c90ae1400bf2 | 163 | } |
Vincent Coubard |
638:c90ae1400bf2 | 164 | |
Vincent Coubard |
638:c90ae1400bf2 | 165 | return key_list; |
Vincent Coubard |
638:c90ae1400bf2 | 166 | } |
Vincent Coubard |
638:c90ae1400bf2 | 167 | |
Vincent Coubard |
638:c90ae1400bf2 | 168 | |
Vincent Coubard |
638:c90ae1400bf2 | 169 | uint32_t sdk_mapped_flags_n_flags_set(sdk_mapped_flags_t flags) |
Vincent Coubard |
638:c90ae1400bf2 | 170 | { |
Vincent Coubard |
638:c90ae1400bf2 | 171 | uint32_t n_flags_set = 0; |
Vincent Coubard |
638:c90ae1400bf2 | 172 | |
Vincent Coubard |
638:c90ae1400bf2 | 173 | for (int i = 0; i < SDK_MAPPED_FLAGS_N_KEYS; i++) |
Vincent Coubard |
638:c90ae1400bf2 | 174 | { |
Vincent Coubard |
638:c90ae1400bf2 | 175 | if (sdk_mapped_flags_get_by_index(flags, i)) |
Vincent Coubard |
638:c90ae1400bf2 | 176 | { |
Vincent Coubard |
638:c90ae1400bf2 | 177 | n_flags_set += 1; |
Vincent Coubard |
638:c90ae1400bf2 | 178 | } |
Vincent Coubard |
638:c90ae1400bf2 | 179 | } |
Vincent Coubard |
638:c90ae1400bf2 | 180 | return n_flags_set; |
Vincent Coubard |
638:c90ae1400bf2 | 181 | } |