xref: /btstack/src/mesh/mesh_node.c (revision 54274a7650d548554d6c7b7f1611dd0011741d6f)
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_node.c"
39 
40 #include <stddef.h>
41 #include <string.h>
42 
43 #include "mesh/mesh_node.h"
44 
45 static uint16_t primary_element_address;
46 
47 static mesh_element_t primary_element;
48 
49 static uint16_t mesh_element_index_next;
50 
51 static btstack_linked_list_t mesh_elements;
52 
53 static uint8_t mesh_node_device_uuid[16];
54 
55 void mesh_node_primary_element_address_set(uint16_t unicast_address){
56     primary_element_address = unicast_address;
57 }
58 
59 uint16_t mesh_node_get_primary_element_address(void){
60     return primary_element_address;
61 }
62 
63 void mesh_node_init(void){
64     // dd Primary Element to list of elements
65     mesh_node_add_element(&primary_element);
66 }
67 
68 void mesh_node_add_element(mesh_element_t * element){
69     element->element_index = mesh_element_index_next++;
70     btstack_linked_list_add_tail(&mesh_elements, (void*) element);
71 }
72 
73 uint16_t mesh_node_element_count(void){
74 	return (uint16_t) btstack_linked_list_count(&mesh_elements);
75 }
76 
77 mesh_element_t * mesh_node_get_primary_element(void){
78     return &primary_element;
79 }
80 
81 void mesh_node_set_primary_element_location(uint16_t location){
82     primary_element.loc = location;
83 }
84 
85 mesh_element_t * mesh_node_element_for_index(uint16_t element_index){
86     btstack_linked_list_iterator_t it;
87     btstack_linked_list_iterator_init(&it, &mesh_elements);
88     while (btstack_linked_list_iterator_has_next(&it)){
89         mesh_element_t * element = (mesh_element_t *) btstack_linked_list_iterator_next(&it);
90         if (element->element_index != element_index) continue;
91         return element;
92     }
93     return NULL;
94 }
95 
96 mesh_element_t * mesh_node_element_for_unicast_address(uint16_t unicast_address){
97     uint16_t element_index = unicast_address - mesh_node_get_primary_element_address();
98     return mesh_node_element_for_index(element_index);
99 }
100 
101 void mesh_element_iterator_init(mesh_element_iterator_t * iterator){
102     btstack_linked_list_iterator_init(&iterator->it, &mesh_elements);
103 }
104 
105 int mesh_element_iterator_has_next(mesh_element_iterator_t * iterator){
106     return btstack_linked_list_iterator_has_next(&iterator->it);
107 }
108 
109 mesh_element_t * mesh_element_iterator_next(mesh_element_iterator_t * iterator){
110     return (mesh_element_t *) btstack_linked_list_iterator_next(&iterator->it);
111 }
112 
113 void mesh_node_set_device_uuid(const uint8_t * device_uuid){
114     memcpy(mesh_node_get_device_uuid, device_uuid, 16);
115 }
116 
117 /**
118  * @brief Get Device UUID
119  */
120 const uint8_t * mesh_node_get_device_uuid(void){
121     return mesh_node_device_uuid;
122 }
123 
124