xref: /btstack/src/mesh/mesh_generic_level_server.c (revision d3b33bfb6b7dee4bcc70f096e26579f91e349a74)
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.
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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 static void generic_server_send_message(uint16_t src, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, mesh_pdu_t *pdu){
58     uint8_t  ttl  = mesh_foundation_default_ttl_get();
59     mesh_upper_transport_setup_access_pdu_header(pdu, netkey_index, appkey_index, ttl, src, dest, 0);
60     mesh_access_send_unacknowledged_pdu(pdu);
61 }
62 
63 // Transition
64 static int16_t add_and_clip_int16(int16_t current_value, int32_t increment){
65     int32_t value = current_value + increment;
66     if (value < -32768){
67         value = -32768;
68     } else if (value > 32767){
69         value = 32767;
70     }
71    return (int16_t) value;
72 }
73 
74 static mesh_transition_t * generic_level_server_get_base_transition(mesh_model_t * mesh_model) {
75      mesh_generic_level_state_t * generic_level_server_state = (mesh_generic_level_state_t *)mesh_model->model_data;
76     return &generic_level_server_state->transition_data.base_transition;
77 }
78 
79 static void mesh_server_transition_state_emit_change(mesh_transition_int16_t * transition, model_state_update_reason_t reason){
80     mesh_model_t * generic_level_server_model = transition->base_transition.mesh_model;
81     mesh_access_emit_state_update_int16(generic_level_server_model->model_packet_handler,
82         mesh_access_get_element_index(generic_level_server_model),
83         generic_level_server_model->model_identifier,
84         MODEL_STATE_ID_GENERIC_LEVEL,
85         reason,
86         transition->current_value);
87 }
88 
89 static void mesh_server_transition_state_update_stepwise_value(mesh_transition_int16_t * transition){
90     transition->current_value = add_and_clip_int16(transition->current_value, transition->stepwise_value_increment);
91 
92     // publish new value
93     mesh_access_state_changed(transition->base_transition.mesh_model);
94 
95     // notify transition update
96     mesh_server_transition_state_emit_change(transition, MODEL_STATE_UPDATE_REASON_TRANSITION_ACTIVE);
97 }
98 
99 static void mesh_server_transition_state_delayed(mesh_transition_int16_t * transition, uint32_t current_timestamp_ms){
100     transition->base_transition.state = MESH_TRANSITION_STATE_DELAYED;
101     transition->base_transition.phase_start_ms = current_timestamp_ms;
102 }
103 
104 static void mesh_server_transition_state_started(mesh_transition_int16_t * transition, uint32_t current_timestamp_ms){
105     transition->base_transition.state = MESH_TRANSITION_STATE_ACTIVE;
106     transition->base_transition.remaining_delay_time_ms = 0;
107     transition->base_transition.phase_start_ms = current_timestamp_ms;
108 
109     // notify transition completed
110     mesh_server_transition_state_emit_change(transition, MODEL_STATE_UPDATE_REASON_TRANSITION_START);
111 }
112 
113 static void mesh_server_transition_state_done(mesh_transition_int16_t * transition, uint32_t current_timestamp_ms){
114     transition->base_transition.state = MESH_TRANSITION_STATE_IDLE;
115     transition->base_transition.remaining_transition_time_ms = 0;
116     transition->current_value = transition->target_value;
117 
118     // publish new value
119     mesh_access_state_changed(transition->base_transition.mesh_model);
120 
121     // notify transition completed
122     mesh_server_transition_state_emit_change(transition, MODEL_STATE_UPDATE_REASON_TRANSITION_END);
123 
124     // done, stop transition
125     mesh_access_transitions_remove((mesh_transition_t *)transition);
126 }
127 
128 static void mesh_server_transition_step(mesh_transition_t * base_transition, transition_event_t event, uint32_t current_timestamp_ms){
129     uint32_t time_step_ms;
130 
131     mesh_transition_int16_t * transition = (mesh_transition_int16_t*) base_transition;
132 
133     switch (transition->base_transition.state){
134         case MESH_TRANSITION_STATE_IDLE:
135             if (event != TRANSITION_START) break;
136             mesh_server_transition_state_delayed(transition, current_timestamp_ms);
137             if (transition->base_transition.remaining_delay_time_ms != 0) break;
138             mesh_server_transition_state_started(transition, current_timestamp_ms);
139             if (transition->base_transition.remaining_transition_time_ms != 0) break;
140             mesh_server_transition_state_done(transition, current_timestamp_ms);
141             break;
142 
143         case MESH_TRANSITION_STATE_DELAYED:
144             if (event != TRANSITION_UPDATE) break;
145             time_step_ms = current_timestamp_ms - transition->base_transition.phase_start_ms;
146             if (transition->base_transition.remaining_delay_time_ms > time_step_ms){
147                 transition->base_transition.remaining_delay_time_ms -= time_step_ms;
148                 transition->base_transition.phase_start_ms += time_step_ms;
149                 break;
150             }
151             mesh_server_transition_state_started(transition, current_timestamp_ms);
152             if (transition->base_transition.remaining_transition_time_ms != 0) break;
153             mesh_server_transition_state_done(transition, current_timestamp_ms);
154             break;
155         case MESH_TRANSITION_STATE_ACTIVE:
156             if (event != TRANSITION_UPDATE) break;
157             time_step_ms = current_timestamp_ms - transition->base_transition.phase_start_ms;
158             if (transition->base_transition.num_steps == MESH_TRANSITION_NUM_STEPS_INFINITE){
159                 mesh_server_transition_state_update_stepwise_value(transition);
160                 // done when max value reached
161                 if (transition->current_value > - 32768 && transition->current_value < 32767) break;
162             } else 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.transition_speed = 0;
187         mesh_access_transitions_setup(transition, mesh_model, 0, 0, NULL);
188 
189         mesh_transition_int16_t * transition_int16 = (mesh_transition_int16_t*)  &generic_level_server_state->transition_data.base_transition;
190 
191         mesh_server_transition_state_emit_change(transition_int16, reason);
192     }
193 }
194 // Generic Level State
195 
196 void mesh_generic_level_server_register_packet_handler(mesh_model_t *generic_level_server_model, btstack_packet_handler_t transition_events_packet_handler){
197     btstack_assert(generic_level_server_model != NULL);
198     btstack_assert(transition_events_packet_handler != NULL);
199     generic_level_server_model->model_packet_handler = transition_events_packet_handler;
200 }
201 
202 const mesh_access_message_t mesh_generic_level_status_transition = {
203         MESH_GENERIC_LEVEL_STATUS, "221"
204 };
205 
206 const mesh_access_message_t mesh_generic_level_status_instantaneous = {
207         MESH_GENERIC_LEVEL_STATUS, "2"
208 };
209 
210 static mesh_pdu_t * mesh_generic_level_status_message(mesh_model_t *generic_level_server_model){
211     mesh_generic_level_state_t * state = (mesh_generic_level_state_t *) generic_level_server_model->model_data;
212     btstack_assert(state != NULL);
213 
214     // setup message
215     mesh_transport_pdu_t * transport_pdu = NULL;
216     if (state->transition_data.base_transition.remaining_transition_time_ms != 0) {
217         uint8_t remaining_time;
218         if (state->transition_data.base_transition.num_steps == MESH_TRANSITION_NUM_STEPS_INFINITE){
219             remaining_time = MESH_TRANSITION_NUM_STEPS_INFINITE;
220         } else {
221             remaining_time = mesh_access_time_as_gdtt(state->transition_data.base_transition.step_duration_ms, state->transition_data.base_transition.remaining_transition_time_ms);
222         }
223         transport_pdu = mesh_access_setup_segmented_message(&mesh_generic_level_status_transition, state->transition_data.current_value,
224             state->transition_data.target_value, remaining_time);
225     } else {
226         transport_pdu = mesh_access_setup_segmented_message(&mesh_generic_level_status_instantaneous, state->transition_data.current_value);
227     }
228     return (mesh_pdu_t *)transport_pdu;
229 }
230 
231 static void generic_level_handle_set_target_level_message(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
232     mesh_generic_level_state_t * generic_level_server_state = (mesh_generic_level_state_t *)mesh_model->model_data;
233     btstack_assert(generic_level_server_state != NULL);
234 
235     mesh_access_parser_state_t parser;
236     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
237     int16_t level_value = (int16_t)mesh_access_parser_get_u16(&parser);
238     // The TID field is a transaction identifier indicating whether the message is
239     // a new message or a retransmission of a previously sent message
240     uint8_t tid = mesh_access_parser_get_u8(&parser);
241 
242     uint8_t transition_time_gdtt = 0;
243     uint8_t delay_time_gdtt = 0;
244     mesh_transition_t * base_transition = generic_level_server_get_base_transition(mesh_model);
245 
246     switch (mesh_access_transitions_transaction_status(base_transition, tid, mesh_pdu_src(pdu), mesh_pdu_dst(pdu))){
247         case MESH_TRANSACTION_STATUS_RETRANSMISSION:
248             // ignore
249             break;
250         default:
251             mesh_access_transitions_setup_transaction(base_transition, tid, mesh_pdu_src(pdu), mesh_pdu_dst(pdu));
252 
253             generic_level_server_state->transition_data.initial_value = generic_level_server_state->transition_data.current_value;
254             generic_level_server_state->transition_data.target_value = level_value;
255             generic_level_server_state->transition_data.stepwise_value_increment = 0;
256 
257             if (mesh_access_parser_available(&parser) == 2){
258                 // Generic Default Transition Time format - num_steps (higher 6 bits), step_resolution (lower 2 bits)
259                 transition_time_gdtt = mesh_access_parser_get_u8(&parser);
260                 delay_time_gdtt = mesh_access_parser_get_u8(&parser);
261                 int num_steps = mesh_access_transitions_num_steps_from_gdtt(transition_time_gdtt);
262                 if (num_steps > 0){
263                     // TODO: remove division
264                     generic_level_server_state->transition_data.stepwise_value_increment = (level_value - generic_level_server_state->transition_data.current_value)/num_steps;
265                 }
266             }
267             mesh_server_transition_setup_transition_or_instantaneous_update_int16(mesh_model, transition_time_gdtt, delay_time_gdtt, MODEL_STATE_UPDATE_REASON_SET);
268             mesh_access_state_changed(mesh_model);
269             break;
270     }
271 
272 }
273 
274 static void generic_level_handle_set_move_message(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
275     mesh_generic_level_state_t * generic_level_server_state = (mesh_generic_level_state_t *)mesh_model->model_data;
276     btstack_assert(generic_level_server_state != NULL);
277 
278     mesh_access_parser_state_t parser;
279     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
280     int32_t delta_value = (int32_t) mesh_access_parser_get_u16(&parser);
281 
282     // The TID field is a transaction identifier indicating whether the message is
283     // a new message or a retransmission of a previously sent message
284     uint8_t tid = mesh_access_parser_get_u8(&parser);
285 
286     uint8_t transition_time_gdtt = 0;
287     uint8_t delay_time_gdtt = 0;
288     if (mesh_access_parser_available(&parser) == 2){
289         //  Generic Default Transition Time format - num_steps (higher 6 bits), step_resolution (lower 2 bits)
290         transition_time_gdtt = mesh_access_parser_get_u8(&parser);
291         delay_time_gdtt = mesh_access_parser_get_u8(&parser);
292     } else {
293         // transition speed is delta / num steps, without num steps, and without a default transition time, we cannot do this
294         return;
295     }
296 
297     mesh_transition_t * base_transition = generic_level_server_get_base_transition(mesh_model);
298 
299     switch (mesh_access_transitions_transaction_status(base_transition, tid, mesh_pdu_src(pdu), mesh_pdu_dst(pdu))){
300         case MESH_TRANSACTION_STATUS_RETRANSMISSION:
301             // ignore retransmission
302             break;
303         default:
304             mesh_access_transitions_setup_transaction(base_transition, tid, mesh_pdu_src(pdu), mesh_pdu_dst(pdu));
305 
306             int num_steps = mesh_access_transitions_num_steps_from_gdtt(transition_time_gdtt);
307 
308             generic_level_server_state->transition_data.initial_value = generic_level_server_state->transition_data.current_value;
309             generic_level_server_state->transition_data.target_value = add_and_clip_int16(generic_level_server_state->transition_data.current_value, delta_value);
310             generic_level_server_state->transition_data.stepwise_value_increment = delta_value / num_steps;
311 
312             if (delta_value > 0){
313                 generic_level_server_state->transition_data.target_value = 32767;
314             } else {
315                 generic_level_server_state->transition_data.target_value = -32768;
316             }
317 
318             mesh_server_transition_setup_transition_or_instantaneous_update_int16(mesh_model, transition_time_gdtt, delay_time_gdtt, MODEL_STATE_UPDATE_REASON_SET);
319             generic_level_server_state->transition_data.base_transition.num_steps = MESH_TRANSITION_NUM_STEPS_INFINITE;
320             break;
321     }
322 }
323 
324 static void generic_level_handle_set_delta_message(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
325     mesh_generic_level_state_t * generic_level_server_state = (mesh_generic_level_state_t *)mesh_model->model_data;
326     btstack_assert(generic_level_server_state != NULL);
327 
328     mesh_access_parser_state_t parser;
329     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
330     int32_t delta_value = mesh_access_parser_get_u32(&parser);
331 
332     // The TID field is a transaction identifier indicating whether the message is
333     // a new message or a retransmission of a previously sent message
334     uint8_t tid = mesh_access_parser_get_u8(&parser);
335 
336     uint8_t transition_time_gdtt = 0;
337     uint8_t delay_time_gdtt = 0;
338     if (mesh_access_parser_available(&parser) == 2){
339         //  Generic Default Transition Time format - num_steps (higher 6 bits), step_resolution (lower 2 bits)
340         transition_time_gdtt = mesh_access_parser_get_u8(&parser);
341         delay_time_gdtt = mesh_access_parser_get_u8(&parser);
342     }
343 
344     mesh_transition_t * base_transition = generic_level_server_get_base_transition(mesh_model);
345 
346     switch (mesh_access_transitions_transaction_status(base_transition, tid, mesh_pdu_src(pdu), mesh_pdu_dst(pdu))){
347         case MESH_TRANSACTION_STATUS_DIFFERENT_DST_OR_SRC:
348             // abort transaction
349             printf("Transaction abort\n");
350             mesh_access_transitions_abort_transaction(base_transition);
351             generic_level_server_state->transition_data.current_value = generic_level_server_state->transition_data.initial_value;
352             mesh_server_transition_setup_transition_or_instantaneous_update_int16(mesh_model, 0, 0, MODEL_STATE_UPDATE_REASON_TRANSITION_ABORT);
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.stepwise_value_increment = 0;
360             printf("Transaction %u, new, init %x, target %x\n", tid, generic_level_server_state->transition_data.initial_value, generic_level_server_state->transition_data.target_value);
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         case MESH_TRANSACTION_STATUS_RETRANSMISSION:
365             // replace last delta message
366             mesh_access_transitions_setup_transaction(base_transition, tid, mesh_pdu_src(pdu), mesh_pdu_dst(pdu));
367             generic_level_server_state->transition_data.target_value = add_and_clip_int16(generic_level_server_state->transition_data.initial_value, delta_value);
368             generic_level_server_state->transition_data.stepwise_value_increment = 0;
369             printf("Transaction %u, retransmission, init %x, target %x\n", tid, generic_level_server_state->transition_data.initial_value, generic_level_server_state->transition_data.target_value);
370             mesh_server_transition_setup_transition_or_instantaneous_update_int16(mesh_model, transition_time_gdtt, delay_time_gdtt, MODEL_STATE_UPDATE_REASON_SET);
371             mesh_access_state_changed(mesh_model);
372             break;
373         default:
374             break;
375     }
376 }
377 
378 static void generic_level_get_handler(mesh_model_t *generic_level_server_model, mesh_pdu_t * pdu){
379     mesh_transport_pdu_t * transport_pdu = (mesh_transport_pdu_t *) mesh_generic_level_status_message(generic_level_server_model);
380     if (transport_pdu != NULL) {
381         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);
382     }
383     mesh_access_message_processed(pdu);
384 }
385 
386 static void generic_level_set_handler(mesh_model_t *generic_level_server_model, mesh_pdu_t * pdu){
387     generic_level_handle_set_target_level_message(generic_level_server_model, pdu);
388 
389     mesh_transport_pdu_t * transport_pdu = (mesh_transport_pdu_t *) mesh_generic_level_status_message(generic_level_server_model);
390     if (transport_pdu != NULL) {
391         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);
392     }
393     mesh_access_message_processed(pdu);
394 }
395 
396 static void generic_level_set_unacknowledged_handler(mesh_model_t *generic_level_server_model, mesh_pdu_t * pdu){
397     generic_level_handle_set_target_level_message(generic_level_server_model, pdu);
398     mesh_access_message_processed(pdu);
399 }
400 
401 static void generic_delta_set_handler(mesh_model_t *generic_level_server_model, mesh_pdu_t * pdu){
402     generic_level_handle_set_delta_message(generic_level_server_model, pdu);
403 
404     mesh_transport_pdu_t * transport_pdu = (mesh_transport_pdu_t *) mesh_generic_level_status_message(generic_level_server_model);
405     if (transport_pdu != NULL) {
406         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);
407     }
408     mesh_access_message_processed(pdu);
409 }
410 
411 static void generic_delta_set_unacknowledged_handler(mesh_model_t *generic_level_server_model, mesh_pdu_t * pdu){
412     generic_level_handle_set_delta_message(generic_level_server_model, pdu);
413     mesh_access_message_processed(pdu);
414 }
415 
416 static void generic_move_get_handler(mesh_model_t *generic_level_server_model, mesh_pdu_t * pdu){
417     generic_level_handle_set_move_message(generic_level_server_model, pdu);
418 
419     mesh_transport_pdu_t * transport_pdu = (mesh_transport_pdu_t *) mesh_generic_level_status_message(generic_level_server_model);
420     if (transport_pdu != NULL) {
421         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);
422     }
423     mesh_access_message_processed(pdu);
424 }
425 
426 static void generic_move_set_unacknowledged_handler(mesh_model_t *generic_level_server_model, mesh_pdu_t * pdu){
427     generic_level_handle_set_move_message(generic_level_server_model, pdu);
428     mesh_access_message_processed(pdu);
429 }
430 
431 // Generic On Off Message
432 const static mesh_operation_t mesh_generic_level_model_operations[] = {
433     { MESH_GENERIC_LEVEL_GET,                                   0, generic_level_get_handler },
434     { MESH_GENERIC_LEVEL_SET,                                   3, generic_level_set_handler },
435     { MESH_GENERIC_LEVEL_SET_UNACKNOWLEDGED,                    3, generic_level_set_unacknowledged_handler },
436     { MESH_GENERIC_DELTA_SET,                                   3, generic_delta_set_handler },
437     { MESH_GENERIC_DELTA_SET_UNACKNOWLEDGED,                    3, generic_delta_set_unacknowledged_handler },
438     { MESH_GENERIC_MOVE_SET,                                    3, generic_move_get_handler },
439     { MESH_GENERIC_MOVE_SET_UNACKNOWLEDGED,                     3, generic_move_set_unacknowledged_handler },
440     { 0, 0, NULL }
441 };
442 
443 const mesh_operation_t * mesh_generic_level_server_get_operations(void){
444     return mesh_generic_level_model_operations;
445 }
446 
447 void mesh_generic_level_server_set_publication_model(mesh_model_t *generic_level_server_model, mesh_publication_model_t * publication_model){
448     if (generic_level_server_model == NULL) return;
449     if (publication_model == NULL) return;
450     publication_model->publish_state_fn = &mesh_generic_level_status_message;
451     generic_level_server_model->publication_model = publication_model;
452 }
453