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 #define BTSTACK_FILE__ "mesh_generic_level_server.c" 39 40 #include <string.h> 41 #include <stdio.h> 42 43 #include "mesh/mesh_generic_level_server.h" 44 45 #include "bluetooth_company_id.h" 46 #include "btstack_debug.h" 47 #include "btstack_memory.h" 48 #include "btstack_util.h" 49 50 #include "mesh/mesh_access.h" 51 #include "mesh/mesh_foundation.h" 52 #include "mesh/mesh_generic_model.h" 53 #include "mesh/mesh_keys.h" 54 #include "mesh/mesh_network.h" 55 #include "mesh/mesh_upper_transport.h" 56 57 58 static void generic_server_send_message(uint16_t src, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, mesh_pdu_t *pdu){ 59 uint8_t ttl = mesh_foundation_default_ttl_get(); 60 mesh_upper_transport_setup_access_pdu_header(pdu, netkey_index, appkey_index, ttl, src, dest, 0); 61 mesh_access_send_unacknowledged_pdu(pdu); 62 } 63 64 // Transition 65 static int16_t add_and_clip_int16(int16_t current_value, int32_t increment){ 66 int32_t value = current_value + increment; 67 if (value < -32768){ 68 value = -32768; 69 } else if (value > 32767){ 70 value = 32767; 71 } 72 return (int16_t) value; 73 } 74 75 static mesh_transition_t * generic_level_server_get_base_transition(mesh_model_t * mesh_model) { 76 mesh_generic_level_state_t * generic_level_server_state = (mesh_generic_level_state_t *)mesh_model->model_data; 77 return &generic_level_server_state->transition_data.base_transition; 78 } 79 80 static void mesh_server_transition_state_emit_change(mesh_transition_int16_t * transition, model_state_update_reason_t reason){ 81 mesh_model_t * generic_level_server_model = transition->base_transition.mesh_model; 82 mesh_access_emit_state_update_int16(generic_level_server_model->model_packet_handler, 83 mesh_access_get_element_index(generic_level_server_model), 84 generic_level_server_model->model_identifier, 85 MODEL_STATE_ID_GENERIC_LEVEL, 86 reason, 87 transition->current_value); 88 } 89 90 static void mesh_server_transition_state_update_stepwise_value(mesh_transition_int16_t * transition){ 91 if (transition->stepwise_value_increment){ 92 transition->current_value = add_and_clip_int16(transition->current_value, transition->stepwise_value_increment); 93 } else if (transition->delta_from_initial_value){ 94 transition->current_value = add_and_clip_int16(transition->initial_value, transition->delta_from_initial_value); 95 } 96 // publish new value 97 mesh_access_state_changed(transition->base_transition.mesh_model); 98 99 // notify transition update 100 mesh_server_transition_state_emit_change(transition, MODEL_STATE_UPDATE_REASON_TRANSITION_ACTIVE); 101 } 102 103 static void mesh_server_transition_state_delayed(mesh_transition_int16_t * transition, uint32_t current_timestamp_ms){ 104 transition->base_transition.state = MESH_TRANSITION_STATE_DELAYED; 105 transition->base_transition.phase_start_ms = current_timestamp_ms; 106 } 107 108 static void mesh_server_transition_state_started(mesh_transition_int16_t * transition, uint32_t current_timestamp_ms){ 109 transition->base_transition.state = MESH_TRANSITION_STATE_ACTIVE; 110 transition->base_transition.remaining_delay_time_ms = 0; 111 transition->base_transition.phase_start_ms = current_timestamp_ms; 112 113 // notify transition completed 114 mesh_server_transition_state_emit_change(transition, MODEL_STATE_UPDATE_REASON_TRANSITION_START); 115 } 116 117 static void mesh_server_transition_state_done(mesh_transition_int16_t * transition, uint32_t current_timestamp_ms){ 118 transition->base_transition.state = MESH_TRANSITION_STATE_IDLE; 119 transition->base_transition.remaining_transition_time_ms = 0; 120 transition->current_value = transition->target_value; 121 122 // publish new value 123 mesh_access_state_changed(transition->base_transition.mesh_model); 124 125 // notify transition completed 126 mesh_server_transition_state_emit_change(transition, MODEL_STATE_UPDATE_REASON_TRANSITION_END); 127 128 // done, stop transition 129 mesh_access_transitions_remove((mesh_transition_t *)transition); 130 } 131 132 static void mesh_server_transition_step(mesh_transition_t * base_transition, transition_event_t event, uint32_t current_timestamp_ms){ 133 uint32_t time_step_ms; 134 135 mesh_transition_int16_t * transition = (mesh_transition_int16_t*) base_transition; 136 137 switch (transition->base_transition.state){ 138 case MESH_TRANSITION_STATE_IDLE: 139 if (event != TRANSITION_START) break; 140 mesh_server_transition_state_delayed(transition, current_timestamp_ms); 141 if (transition->base_transition.remaining_delay_time_ms != 0) break; 142 mesh_server_transition_state_started(transition, current_timestamp_ms); 143 if (transition->base_transition.remaining_transition_time_ms != 0) break; 144 mesh_server_transition_state_done(transition, current_timestamp_ms); 145 break; 146 147 case MESH_TRANSITION_STATE_DELAYED: 148 if (event != TRANSITION_UPDATE) break; 149 time_step_ms = current_timestamp_ms - transition->base_transition.phase_start_ms; 150 if (transition->base_transition.remaining_delay_time_ms > time_step_ms){ 151 transition->base_transition.remaining_delay_time_ms -= time_step_ms; 152 transition->base_transition.phase_start_ms += time_step_ms; 153 break; 154 } 155 mesh_server_transition_state_started(transition, current_timestamp_ms); 156 if (transition->base_transition.remaining_transition_time_ms != 0) break; 157 mesh_server_transition_state_done(transition, current_timestamp_ms); 158 break; 159 case MESH_TRANSITION_STATE_ACTIVE: 160 if (event != TRANSITION_UPDATE) break; 161 time_step_ms = current_timestamp_ms - transition->base_transition.phase_start_ms; 162 if (transition->base_transition.remaining_transition_time_ms > time_step_ms){ 163 transition->base_transition.remaining_transition_time_ms -= time_step_ms; 164 transition->base_transition.phase_start_ms += time_step_ms; 165 mesh_server_transition_state_update_stepwise_value(transition); 166 break; 167 } 168 mesh_server_transition_state_done(transition, current_timestamp_ms); 169 break; 170 default: 171 break; 172 } 173 } 174 175 static void mesh_server_transition_setup_transition_or_instantaneous_update_int16(mesh_model_t *mesh_model, uint8_t transition_time_gdtt, uint8_t delay_time_gdtt, model_state_update_reason_t reason){ 176 mesh_generic_level_state_t * generic_level_server_state = (mesh_generic_level_state_t *)mesh_model->model_data; 177 mesh_transition_t * transition = &generic_level_server_state->transition_data.base_transition; 178 179 if (transition_time_gdtt != 0 || delay_time_gdtt != 0) { 180 mesh_access_transitions_setup(transition, mesh_model, transition_time_gdtt, delay_time_gdtt, &mesh_server_transition_step); 181 mesh_access_transitions_add(transition); 182 } else { 183 // instantaneous update 184 generic_level_server_state->transition_data.current_value = generic_level_server_state->transition_data.target_value; 185 generic_level_server_state->transition_data.stepwise_value_increment = 0; 186 generic_level_server_state->transition_data.delta_from_initial_value = 0; 187 generic_level_server_state->transition_data.transition_speed = 0; 188 mesh_access_transitions_setup(transition, mesh_model, 0, 0, NULL); 189 190 mesh_transition_int16_t * transition_int16 = (mesh_transition_int16_t*) &generic_level_server_state->transition_data.base_transition; 191 192 mesh_server_transition_state_emit_change(transition_int16, reason); 193 } 194 } 195 // Generic Level State 196 197 void mesh_generic_level_server_register_packet_handler(mesh_model_t *generic_level_server_model, btstack_packet_handler_t transition_events_packet_handler){ 198 btstack_assert(generic_level_server_model != NULL); 199 btstack_assert(transition_events_packet_handler != NULL); 200 generic_level_server_model->model_packet_handler = transition_events_packet_handler; 201 } 202 203 const mesh_access_message_t mesh_generic_level_status_transition = { 204 MESH_GENERIC_LEVEL_STATUS, "221" 205 }; 206 207 const mesh_access_message_t mesh_generic_level_status_instantaneous = { 208 MESH_GENERIC_LEVEL_STATUS, "2" 209 }; 210 211 static mesh_pdu_t * mesh_generic_level_status_message(mesh_model_t *generic_level_server_model){ 212 mesh_generic_level_state_t * state = (mesh_generic_level_state_t *) generic_level_server_model->model_data; 213 btstack_assert(state != NULL); 214 215 // setup message 216 mesh_transport_pdu_t * transport_pdu = NULL; 217 if (state->transition_data.base_transition.remaining_transition_time_ms != 0) { 218 uint8_t remaining_time = mesh_access_time_as_gdtt(state->transition_data.base_transition.step_duration_ms, state->transition_data.base_transition.remaining_transition_time_ms); 219 transport_pdu = mesh_access_setup_segmented_message(&mesh_generic_level_status_transition, state->transition_data.current_value, 220 state->transition_data.target_value, remaining_time); 221 } else { 222 transport_pdu = mesh_access_setup_segmented_message(&mesh_generic_level_status_instantaneous, state->transition_data.current_value); 223 } 224 return (mesh_pdu_t *)transport_pdu; 225 } 226 227 static void generic_level_handle_set_target_level_message(mesh_model_t *mesh_model, mesh_pdu_t * pdu){ 228 mesh_generic_level_state_t * generic_level_server_state = (mesh_generic_level_state_t *)mesh_model->model_data; 229 btstack_assert(generic_level_server_state != NULL); 230 231 mesh_access_parser_state_t parser; 232 mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu); 233 int16_t level_value = (int16_t)mesh_access_parser_get_u16(&parser); 234 // The TID field is a transaction identifier indicating whether the message is 235 // a new message or a retransmission of a previously sent message 236 uint8_t tid = mesh_access_parser_get_u8(&parser); 237 238 uint8_t transition_time_gdtt = 0; 239 uint8_t delay_time_gdtt = 0; 240 mesh_transition_t * base_transition = generic_level_server_get_base_transition(mesh_model); 241 242 switch (mesh_access_transitions_transaction_status(base_transition, tid, mesh_pdu_src(pdu), mesh_pdu_dst(pdu))){ 243 case MESH_TRANSACTION_STATUS_RETRANSMISSION: 244 // ignore 245 break; 246 default: 247 mesh_access_transitions_setup_transaction(base_transition, tid, mesh_pdu_src(pdu), mesh_pdu_dst(pdu)); 248 249 generic_level_server_state->transition_data.initial_value = generic_level_server_state->transition_data.current_value; 250 generic_level_server_state->transition_data.target_value = level_value; 251 generic_level_server_state->transition_data.stepwise_value_increment = 0; 252 generic_level_server_state->transition_data.delta_from_initial_value = 0; 253 254 if (mesh_access_parser_available(&parser) == 2){ 255 // Generic Default Transition Time format - num_steps (higher 6 bits), step_resolution (lower 2 bits) 256 transition_time_gdtt = mesh_access_parser_get_u8(&parser); 257 delay_time_gdtt = mesh_access_parser_get_u8(&parser); 258 int num_steps = mesh_access_transitions_num_steps_from_gdtt(transition_time_gdtt); 259 if (num_steps > 0){ 260 // TODO: remove division 261 generic_level_server_state->transition_data.stepwise_value_increment = (level_value - generic_level_server_state->transition_data.current_value)/num_steps; 262 } 263 } 264 mesh_server_transition_setup_transition_or_instantaneous_update_int16(mesh_model, transition_time_gdtt, delay_time_gdtt, MODEL_STATE_UPDATE_REASON_SET); 265 mesh_access_state_changed(mesh_model); 266 break; 267 } 268 269 } 270 271 static void generic_level_handle_set_move_message(mesh_model_t *mesh_model, mesh_pdu_t * pdu){ 272 mesh_generic_level_state_t * generic_level_server_state = (mesh_generic_level_state_t *)mesh_model->model_data; 273 btstack_assert(generic_level_server_state != NULL); 274 275 mesh_access_parser_state_t parser; 276 mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu); 277 int32_t increment_value = mesh_access_parser_get_u16(&parser); 278 279 // The TID field is a transaction identifier indicating whether the message is 280 // a new message or a retransmission of a previously sent message 281 uint8_t tid = mesh_access_parser_get_u8(&parser); 282 283 uint8_t transition_time_gdtt = 0; 284 uint8_t delay_time_gdtt = 0; 285 if (mesh_access_parser_available(&parser) == 2){ 286 // Generic Default Transition Time format - num_steps (higher 6 bits), step_resolution (lower 2 bits) 287 transition_time_gdtt = mesh_access_parser_get_u8(&parser); 288 delay_time_gdtt = mesh_access_parser_get_u8(&parser); 289 } 290 291 mesh_transition_t * base_transition = generic_level_server_get_base_transition(mesh_model); 292 293 switch (mesh_access_transitions_transaction_status(base_transition, tid, mesh_pdu_src(pdu), mesh_pdu_dst(pdu))){ 294 case MESH_TRANSACTION_STATUS_RETRANSMISSION: 295 // ignore retransmission 296 break; 297 default: 298 mesh_access_transitions_setup_transaction(base_transition, tid, mesh_pdu_src(pdu), mesh_pdu_dst(pdu)); 299 300 generic_level_server_state->transition_data.initial_value = generic_level_server_state->transition_data.current_value; 301 generic_level_server_state->transition_data.target_value = add_and_clip_int16(generic_level_server_state->transition_data.current_value, increment_value); 302 generic_level_server_state->transition_data.stepwise_value_increment = increment_value; 303 generic_level_server_state->transition_data.delta_from_initial_value = 0; 304 305 int num_steps = mesh_access_transitions_num_steps_from_gdtt(transition_time_gdtt); 306 if (num_steps > 0){ 307 // TODO: remove division 308 generic_level_server_state->transition_data.target_value = add_and_clip_int16(generic_level_server_state->transition_data.current_value, increment_value * num_steps); 309 } 310 311 mesh_server_transition_setup_transition_or_instantaneous_update_int16(mesh_model, transition_time_gdtt, delay_time_gdtt, MODEL_STATE_UPDATE_REASON_SET); 312 break; 313 } 314 } 315 316 static void generic_level_handle_set_delta_message(mesh_model_t *mesh_model, mesh_pdu_t * pdu){ 317 mesh_generic_level_state_t * generic_level_server_state = (mesh_generic_level_state_t *)mesh_model->model_data; 318 btstack_assert(generic_level_server_state != NULL); 319 320 mesh_access_parser_state_t parser; 321 mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu); 322 int32_t delta_value = mesh_access_parser_get_u32(&parser); 323 324 // The TID field is a transaction identifier indicating whether the message is 325 // a new message or a retransmission of a previously sent message 326 uint8_t tid = mesh_access_parser_get_u8(&parser); 327 328 uint8_t transition_time_gdtt = 0; 329 uint8_t delay_time_gdtt = 0; 330 if (mesh_access_parser_available(&parser) == 2){ 331 // Generic Default Transition Time format - num_steps (higher 6 bits), step_resolution (lower 2 bits) 332 transition_time_gdtt = mesh_access_parser_get_u8(&parser); 333 delay_time_gdtt = mesh_access_parser_get_u8(&parser); 334 } 335 336 mesh_transition_t * base_transition = generic_level_server_get_base_transition(mesh_model); 337 338 switch (mesh_access_transitions_transaction_status(base_transition, tid, mesh_pdu_src(pdu), mesh_pdu_dst(pdu))){ 339 case MESH_TRANSACTION_STATUS_DIFFERENT_DST_OR_SRC: 340 // abort transaction 341 mesh_access_transitions_abort_transaction(base_transition); 342 generic_level_server_state->transition_data.current_value = generic_level_server_state->transition_data.initial_value; 343 mesh_server_transition_setup_transition_or_instantaneous_update_int16(mesh_model, 0, 0, MODEL_STATE_UPDATE_REASON_TRANSITION_ABORT); 344 break; 345 case MESH_TRANSACTION_STATUS_RETRANSMISSION: 346 // replace last delta message 347 mesh_access_transitions_setup_transaction(base_transition, tid, mesh_pdu_src(pdu), mesh_pdu_dst(pdu)); 348 generic_level_server_state->transition_data.target_value = add_and_clip_int16(generic_level_server_state->transition_data.initial_value, delta_value); 349 generic_level_server_state->transition_data.delta_from_initial_value = delta_value; 350 generic_level_server_state->transition_data.stepwise_value_increment = 0; 351 mesh_server_transition_setup_transition_or_instantaneous_update_int16(mesh_model, transition_time_gdtt, delay_time_gdtt, MODEL_STATE_UPDATE_REASON_SET); 352 mesh_access_state_changed(mesh_model); 353 break; 354 case MESH_TRANSACTION_STATUS_NEW: 355 // start transaction with current value 356 mesh_access_transitions_setup_transaction(base_transition, tid, mesh_pdu_src(pdu), mesh_pdu_dst(pdu)); 357 generic_level_server_state->transition_data.initial_value = generic_level_server_state->transition_data.current_value; 358 generic_level_server_state->transition_data.target_value = add_and_clip_int16(generic_level_server_state->transition_data.initial_value, delta_value); 359 generic_level_server_state->transition_data.delta_from_initial_value = delta_value; 360 generic_level_server_state->transition_data.stepwise_value_increment = 0; 361 mesh_server_transition_setup_transition_or_instantaneous_update_int16(mesh_model, transition_time_gdtt, delay_time_gdtt, MODEL_STATE_UPDATE_REASON_SET); 362 mesh_access_state_changed(mesh_model); 363 break; 364 default: 365 break; 366 } 367 } 368 369 static void generic_level_get_handler(mesh_model_t *generic_level_server_model, mesh_pdu_t * pdu){ 370 mesh_transport_pdu_t * transport_pdu = (mesh_transport_pdu_t *) mesh_generic_level_status_message(generic_level_server_model); 371 if (transport_pdu != NULL) { 372 generic_server_send_message(mesh_access_get_element_address(generic_level_server_model), mesh_pdu_src(pdu), mesh_pdu_netkey_index(pdu), mesh_pdu_appkey_index(pdu), (mesh_pdu_t *) transport_pdu); 373 } 374 mesh_access_message_processed(pdu); 375 } 376 377 static void generic_level_set_handler(mesh_model_t *generic_level_server_model, mesh_pdu_t * pdu){ 378 generic_level_handle_set_target_level_message(generic_level_server_model, pdu); 379 380 mesh_transport_pdu_t * transport_pdu = (mesh_transport_pdu_t *) mesh_generic_level_status_message(generic_level_server_model); 381 if (transport_pdu != NULL) { 382 generic_server_send_message(mesh_access_get_element_address(generic_level_server_model), mesh_pdu_src(pdu), mesh_pdu_netkey_index(pdu), mesh_pdu_appkey_index(pdu), (mesh_pdu_t *) transport_pdu); 383 } 384 mesh_access_message_processed(pdu); 385 } 386 387 static void generic_level_set_unacknowledged_handler(mesh_model_t *generic_level_server_model, mesh_pdu_t * pdu){ 388 generic_level_handle_set_target_level_message(generic_level_server_model, pdu); 389 mesh_access_message_processed(pdu); 390 } 391 392 static void generic_delta_set_handler(mesh_model_t *generic_level_server_model, mesh_pdu_t * pdu){ 393 generic_level_handle_set_delta_message(generic_level_server_model, pdu); 394 395 mesh_transport_pdu_t * transport_pdu = (mesh_transport_pdu_t *) mesh_generic_level_status_message(generic_level_server_model); 396 if (transport_pdu != NULL) { 397 generic_server_send_message(mesh_access_get_element_address(generic_level_server_model), mesh_pdu_src(pdu), mesh_pdu_netkey_index(pdu), mesh_pdu_appkey_index(pdu), (mesh_pdu_t *) transport_pdu); 398 } 399 mesh_access_message_processed(pdu); 400 } 401 402 static void generic_delta_set_unacknowledged_handler(mesh_model_t *generic_level_server_model, mesh_pdu_t * pdu){ 403 generic_level_handle_set_delta_message(generic_level_server_model, pdu); 404 mesh_access_message_processed(pdu); 405 } 406 407 static void generic_move_get_handler(mesh_model_t *generic_level_server_model, mesh_pdu_t * pdu){ 408 generic_level_handle_set_move_message(generic_level_server_model, pdu); 409 410 mesh_transport_pdu_t * transport_pdu = (mesh_transport_pdu_t *) mesh_generic_level_status_message(generic_level_server_model); 411 if (transport_pdu != NULL) { 412 generic_server_send_message(mesh_access_get_element_address(generic_level_server_model), mesh_pdu_src(pdu), mesh_pdu_netkey_index(pdu), mesh_pdu_appkey_index(pdu), (mesh_pdu_t *) transport_pdu); 413 } 414 mesh_access_message_processed(pdu); 415 } 416 417 static void generic_move_set_unacknowledged_handler(mesh_model_t *generic_level_server_model, mesh_pdu_t * pdu){ 418 generic_level_handle_set_move_message(generic_level_server_model, pdu); 419 mesh_access_message_processed(pdu); 420 } 421 422 // Generic On Off Message 423 const static mesh_operation_t mesh_generic_level_model_operations[] = { 424 { MESH_GENERIC_LEVEL_GET, 0, generic_level_get_handler }, 425 { MESH_GENERIC_LEVEL_SET, 3, generic_level_set_handler }, 426 { MESH_GENERIC_LEVEL_SET_UNACKNOWLEDGED, 3, generic_level_set_unacknowledged_handler }, 427 { MESH_GENERIC_DELTA_SET, 3, generic_delta_set_handler }, 428 { MESH_GENERIC_DELTA_SET_UNACKNOWLEDGED, 3, generic_delta_set_unacknowledged_handler }, 429 { MESH_GENERIC_MOVE_SET, 3, generic_move_get_handler }, 430 { MESH_GENERIC_MOVE_SET_UNACKNOWLEDGED, 3, generic_move_set_unacknowledged_handler }, 431 { 0, 0, NULL } 432 }; 433 434 const mesh_operation_t * mesh_generic_level_server_get_operations(void){ 435 return mesh_generic_level_model_operations; 436 } 437 438 void mesh_generic_level_server_set_publication_model(mesh_model_t *generic_level_server_model, mesh_publication_model_t * publication_model){ 439 if (generic_level_server_model == NULL) return; 440 if (publication_model == NULL) return; 441 publication_model->publish_state_fn = &mesh_generic_level_status_message; 442 generic_level_server_model->publication_model = publication_model; 443 } 444