xref: /btstack/src/ble/att_db_util.h (revision 0561b2d8d5dba972c7daa57d5e677f7a1327edfd)
1 /*
2  * Copyright (C) 2014 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
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31  * SUCH DAMAGE.
32  *
33  * Please inquire about commercial licensing options at
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35  *
36  */
37 
38 /**
39  * Helper to construct ATT DB at runtime
40  * (BTstack GATT Compiler is not used)
41  */
42 
43 #ifndef __ATT_DB_UTIL
44 #define __ATT_DB_UTIL
45 
46 #include "btstack_config.h"
47 #
48 #ifdef HAVE_MALLOC
49 #else
50 #endif
51 
52 #include <stdint.h>
53 
54 #if defined __cplusplus
55 extern "C" {
56 #endif
57 
58 /* API_START */
59 
60 /**
61  * @brief Init ATT DB storage
62  */
63 void att_db_util_init(void);
64 
65 /**
66  * @brief Add primary service for 16-bit UUID
67  * @param uuid16
68  * @returns attribute handle for the new service definition
69  */
70 uint16_t att_db_util_add_service_uuid16(uint16_t uuid16);
71 
72 /**
73  * @brief Add primary service for 128-bit UUID
74  * @param uuid1286
75  * @returns attribute handle for the new service definition
76  */
77 uint16_t att_db_util_add_service_uuid128(const uint8_t * uuid128);
78 
79 /**
80  * @brief Add Characteristic with 16-bit UUID, properties, and data
81  * @param uuid16
82  * @param properties        - see ATT_PROPERTY_* in src/bluetooth.h
83  * @param read_permissions  - see ATT_SECURITY_* in src/bluetooth.h
84  * @param write_permissions - see ATT_SECURITY_* in src/bluetooth.h
85  * @param data returned in read operations if ATT_PROPERTY_DYNAMIC is not specified
86  * @param data_len
87  * @returns attribute handle of the new characteristic value declaration
88  * @note If properties contains ATT_PROPERTY_NOTIFY or ATT_PROPERTY_INDICATE flags, a Client Configuration Characteristic Descriptor (CCCD)
89  *       is created as well. The attribute value handle of the CCCD is the attribute value handle plus 1
90  */
91 uint16_t att_db_util_add_characteristic_uuid16(uint16_t uuid16, uint16_t properties, uint8_t read_permission, uint8_t write_permission, uint8_t * data, uint16_t data_len);
92 
93 /**
94  * @brief Add Characteristic with 128-bit UUID, properties, and data
95  * @param uuid128
96  * @param properties        - see ATT_PROPERTY_* in src/bluetooth.h
97  * @param read_permissions  - see ATT_SECURITY_* in src/bluetooth.h
98  * @param write_permissions - see ATT_SECURITY_* in src/bluetooth.h
99  * @param data returned in read operations if ATT_PROPERTY_DYNAMIC is not specified
100  * @param data_len
101  * @returns attribute handle of the new characteristic value declaration
102  * @note If properties contains ATT_PROPERTY_NOTIFY or ATT_PROPERTY_INDICATE flags, a Client Configuration Characteristic Descriptor (CCCD)
103  *       is created as well. The attribute value handle of the CCCD is the attribute value handle plus 1
104  */
105 uint16_t att_db_util_add_characteristic_uuid128(const uint8_t * uuid128, uint16_t properties, uint8_t read_permission, uint8_t write_permission, uint8_t * data, uint16_t data_len);
106 
107 /**
108 * @brief Add descriptor with 16-bit UUID, properties, and data
109 * @param uuid16
110 * @param properties        - see ATT_PROPERTY_* in src/bluetooth.h
111 * @param read_permissions  - see ATT_SECURITY_* in src/bluetooth.h
112 * @param write_permissions - see ATT_SECURITY_* in src/bluetooth.h
113 * @param data returned in read operations if ATT_PROPERTY_DYNAMIC is not specified
114 * @param data_len
115 * @returns attribute handle of the new characteristic descriptor declaration
116 */
117 uint16_t att_db_util_add_descriptor_uuid16(uint16_t uuid16, uint16_t properties, uint8_t read_permission, uint8_t write_permission, uint8_t * data, uint16_t data_len);
118 
119 /**
120 * @brief Add descriptor with 128-bit UUID, properties, and data
121 * @param uuid128
122 * @param properties        - see ATT_PROPERTY_* in src/bluetooth.h
123 * @param read_permissions  - see ATT_SECURITY_* in src/bluetooth.h
124 * @param write_permissions - see ATT_SECURITY_* in src/bluetooth.h
125 * @param data returned in read operations if ATT_PROPERTY_DYNAMIC is not specified
126 * @param data_len
127 * @returns attribute handle of the new characteristic descriptor declaration
128 */
129 uint16_t att_db_util_add_descriptor_uuid128(const uint8_t * uuid128, uint16_t properties, uint8_t read_permission, uint8_t write_permission, uint8_t * data, uint16_t data_len);
130 
131 /**
132  * @brief Get address of constructed ATT DB
133  */
134 uint8_t * att_db_util_get_address(void);
135 
136 /**
137  * @brief Get size of constructed ATT DB
138  */
139 uint16_t att_db_util_get_size(void);
140 
141 /* API_END */
142 
143 #if defined __cplusplus
144 }
145 #endif
146 #endif
147