1 /* 2 * Copyright (C) 2019 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 #ifndef __MESH_NODE_H 39 #define __MESH_NODE_H 40 41 #include <stdint.h> 42 43 #include "btstack_linked_list.h" 44 #include "mesh/mesh_network.h" 45 46 #if defined __cplusplus 47 extern "C" { 48 #endif 49 50 #define MESH_APPKEY_INVALID 0xffffu 51 52 #define MAX_NR_MESH_APPKEYS_PER_MODEL 3u 53 #define MAX_NR_MESH_SUBSCRIPTION_PER_MODEL 3u 54 55 struct mesh_model; 56 struct mesh_element; 57 58 // function to handle model operation message 59 typedef void (*mesh_operation_handler)(struct mesh_model * mesh_model, mesh_pdu_t * pdu); 60 61 // function to publish the current state of a model 62 // @param mesh_model to publish 63 // @returns mesh_pdu with status message 64 typedef mesh_pdu_t * (*mesh_publish_state_t)(struct mesh_model * mesh_model); 65 66 typedef enum { 67 MESH_MODEL_PUBLICATION_STATE_IDLE, 68 MESH_MODEL_PUBLICATION_STATE_W4_PUBLICATION_MS, 69 MESH_MODEL_PUBLICATION_STATE_W4_RETRANSMIT_MS, 70 } mesh_model_publication_state_t; 71 72 typedef struct { 73 mesh_publish_state_t publish_state_fn; 74 mesh_model_publication_state_t state; 75 uint32_t next_publication_ms; 76 uint32_t next_retransmit_ms; 77 uint8_t retransmit_count; 78 uint8_t publish_now; 79 80 uint16_t address; 81 uint16_t appkey_index; 82 uint8_t friendship_credential_flag; 83 uint8_t period; 84 uint8_t ttl; 85 uint8_t retransmit; 86 } mesh_publication_model_t; 87 88 typedef struct { 89 uint32_t opcode; 90 uint16_t minimum_length; 91 mesh_operation_handler handler; 92 } mesh_operation_t; 93 94 typedef struct mesh_model { 95 // linked list item 96 btstack_linked_item_t item; 97 98 // element 99 struct mesh_element * element; 100 101 // internal model enumeration 102 uint16_t mid; 103 104 // vendor_id << 16 | model id, use BLUETOOTH_COMPANY_ID_BLUETOOTH_SIG_INC for SIG models 105 uint32_t model_identifier; 106 107 // model operations 108 const mesh_operation_t * operations; 109 110 // publication model if supported 111 mesh_publication_model_t * publication_model; 112 113 // data 114 void * model_data; 115 116 // bound appkeys 117 uint16_t appkey_indices[MAX_NR_MESH_APPKEYS_PER_MODEL]; 118 119 // subscription list 120 uint16_t subscriptions[MAX_NR_MESH_SUBSCRIPTION_PER_MODEL]; 121 122 // packet handler for transition events in server, event callback handler in client 123 btstack_packet_handler_t model_packet_handler; 124 } mesh_model_t; 125 126 typedef struct { 127 btstack_linked_list_iterator_t it; 128 } mesh_model_iterator_t; 129 130 typedef struct mesh_element { 131 // linked list item 132 btstack_linked_item_t item; 133 134 // element index 135 uint16_t element_index; 136 137 // LOC 138 uint16_t loc; 139 140 // models 141 btstack_linked_list_t models; 142 uint16_t models_count_sig; 143 uint16_t models_count_vendor; 144 145 } mesh_element_t; 146 147 typedef struct { 148 btstack_linked_list_iterator_t it; 149 } mesh_element_iterator_t; 150 151 152 void mesh_node_init(void); 153 154 /** 155 * @brief Set unicast address of primary element 156 * @param unicast_address 157 */ 158 void mesh_node_primary_element_address_set(uint16_t unicast_address); 159 160 /** 161 * @brief Set location of primary element 162 * @note Returned by Configuration Server Composite Data 163 * @param location 164 */ 165 void mesh_node_set_primary_element_location(uint16_t location); 166 167 /** 168 * @brief Set location of element 169 * @param element 170 * @param location 171 */ 172 void mesh_node_set_element_location(mesh_element_t * element, uint16_t location); 173 174 /** 175 * @brief Get unicast address of primary element 176 */ 177 uint16_t mesh_node_get_primary_element_address(void); 178 179 /** 180 * @brief Get Primary Element of this node 181 */ 182 mesh_element_t * mesh_node_get_primary_element(void); 183 184 /** 185 * @brief Add secondary element 186 * @param element 187 */ 188 void mesh_node_add_element(mesh_element_t * element); 189 190 /** 191 * @brief Get number elements 192 * @returns number of elements on this node 193 */ 194 uint16_t mesh_node_element_count(void); 195 196 /** 197 * @brief Get element for given unicast address 198 * @param unicast_address 199 */ 200 mesh_element_t * mesh_node_element_for_unicast_address(uint16_t unicast_address); 201 202 /** 203 * @brief Get element by index 204 * @param element_index 205 */ 206 mesh_element_t * mesh_node_element_for_index(uint16_t element_index); 207 208 /** 209 * @brief Get element index for give model 210 * @param mesh_model 211 */ 212 uint8_t mesh_access_get_element_index(mesh_model_t * mesh_model); 213 214 /** 215 * @brief Get unicast address for give model 216 * @param mesh_model 217 */ 218 uint16_t mesh_access_get_element_address(mesh_model_t * mesh_model); 219 220 /** 221 * @brief Add model to element 222 * @param element 223 * @param mesh_model 224 */ 225 void mesh_element_add_model(mesh_element_t * element, mesh_model_t * mesh_model); 226 227 // Mesh Element Iterator 228 void mesh_element_iterator_init(mesh_element_iterator_t * iterator); 229 230 int mesh_element_iterator_has_next(mesh_element_iterator_t * iterator); 231 232 mesh_element_t * mesh_element_iterator_next(mesh_element_iterator_t * iterator); 233 234 // Mesh Model Iterator 235 236 void mesh_model_iterator_init(mesh_model_iterator_t * iterator, mesh_element_t * element); 237 238 int mesh_model_iterator_has_next(mesh_model_iterator_t * iterator); 239 240 mesh_model_t * mesh_model_iterator_next(mesh_model_iterator_t * iterator); 241 242 // Mesh Model Utility 243 244 mesh_model_t * mesh_model_get_by_identifier(mesh_element_t * element, uint32_t model_identifier); 245 246 uint32_t mesh_model_get_model_identifier_bluetooth_sig(uint16_t model_id); 247 248 int mesh_model_is_bluetooth_sig(uint32_t model_identifier); 249 250 uint16_t mesh_model_get_model_id(uint32_t model_identifier); 251 252 uint32_t mesh_model_get_model_identifier(uint16_t vendor_id, uint16_t model_id); 253 254 uint16_t mesh_model_get_vendor_id(uint32_t model_identifier); 255 256 mesh_model_t * mesh_model_get_configuration_server(void); 257 258 mesh_model_t * mesh_access_model_for_address_and_model_identifier(uint16_t element_address, uint32_t model_identifier, uint8_t * status); 259 260 void mesh_model_reset_appkeys(mesh_model_t * mesh_model); 261 262 // Mesh Model Subscriptions 263 int mesh_model_contains_subscription(mesh_model_t * mesh_model, uint16_t address); 264 265 /** 266 * @brief Set Device UUID 267 * @param device_uuid 268 */ 269 void mesh_node_set_device_uuid(const uint8_t * device_uuid); 270 271 /** 272 * @brief Get Device UUID 273 * @returns device_uuid if set, NULL otherwise 274 */ 275 const uint8_t * mesh_node_get_device_uuid(void); 276 277 #if defined __cplusplus 278 } 279 #endif 280 281 #endif //__MESH_NODE_H 282