1 /**
2 * Copyright (c) 2019 Oticon A/S
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6 /**
7 * @brief Service B.3
8 *
9 * This code is auto-generated from the Excel Workbook
10 * 'GATT_Test_Databases.xlsm' Sheet: 'Large Database 1'
11 */
12 #include <zephyr/sys/byteorder.h>
13 #include <zephyr/sys/printk.h>
14
15 #include <zephyr/bluetooth/gatt.h>
16
17 #include "gatt_macs.h"
18
19 /**
20 * @brief UUID for the Service B.3
21 */
22 #define BT_UUID_SERVICE_B_3 BT_UUID_DECLARE_16(0xa00b)
23
24 /**
25 * @brief UUID for the Value V6 Characteristic
26 */
27 #define BT_UUID_VALUE_V6 BT_UUID_DECLARE_16(0xb006)
28
29 static uint8_t value_v6_value = 0x06;
30 static bool value_v6_ntf_active;
31
32 /**
33 * @brief Attribute read call back for the Value V6 attribute
34 *
35 * @param conn The connection that is requesting to read
36 * @param attr The attribute that's being read
37 * @param buf Buffer to place the read result in
38 * @param len Length of data to read
39 * @param offset Offset to start reading from
40 *
41 * @return Number of bytes read, or in case of an error - BT_GATT_ERR()
42 * with a specific ATT error code.
43 */
read_value_v6(struct bt_conn * conn,const struct bt_gatt_attr * attr,void * buf,uint16_t len,uint16_t offset)44 static ssize_t read_value_v6(struct bt_conn *conn,
45 const struct bt_gatt_attr *attr, void *buf,
46 uint16_t len, uint16_t offset)
47 {
48 const uint8_t *value = attr->user_data;
49
50 return bt_gatt_attr_read(conn, attr, buf, len, offset, value,
51 sizeof(value_v6_value));
52 }
53
54 /**
55 * @brief Attribute write call back for the Value V6 attribute
56 *
57 * @param conn The connection that is requesting to write
58 * @param attr The attribute that's being written
59 * @param buf Buffer with the data to write
60 * @param len Number of bytes in the buffer
61 * @param offset Offset to start writing from
62 * @param flags Flags (BT_GATT_WRITE_*)
63 *
64 * @return Number of bytes written, or in case of an error - BT_GATT_ERR()
65 * with a specific ATT error code.
66 */
write_value_v6(struct bt_conn * conn,const struct bt_gatt_attr * attr,const void * buf,uint16_t len,uint16_t offset,uint8_t flags)67 static ssize_t write_value_v6(struct bt_conn *conn,
68 const struct bt_gatt_attr *attr, const void *buf,
69 uint16_t len, uint16_t offset, uint8_t flags)
70 {
71 uint8_t *value = attr->user_data;
72
73 if (offset >= sizeof(value_v6_value)) {
74 return BT_GATT_ERR(BT_ATT_ERR_INVALID_OFFSET);
75 }
76 if (offset + len > sizeof(value_v6_value)) {
77 return BT_GATT_ERR(BT_ATT_ERR_INVALID_ATTRIBUTE_LEN);
78 }
79
80 memcpy(value + offset, buf, len);
81
82 return len;
83 }
84
85 /**
86 * @brief Descriptor configuration change call back for the Value V6 attribute
87 *
88 * @param attr The attribute whose descriptor configuration has changed
89 * @param value The new value of the descriptor configuration
90 */
value_v6_ccc_cfg_changed(const struct bt_gatt_attr * attr,uint16_t value)91 static void value_v6_ccc_cfg_changed(const struct bt_gatt_attr *attr,
92 uint16_t value)
93 {
94 value_v6_ntf_active = value == BT_GATT_CCC_NOTIFY;
95 }
96
97 static struct bt_gatt_attr service_b_3_1_attrs[] = {
98 BT_GATT_H_PRIMARY_SERVICE(BT_UUID_SERVICE_B_3, 0x50),
99 BT_GATT_H_CHARACTERISTIC(BT_UUID_VALUE_V6,
100 BT_GATT_CHRC_READ | BT_GATT_CHRC_WRITE_WITHOUT_RESP |
101 BT_GATT_CHRC_WRITE | BT_GATT_CHRC_NOTIFY,
102 BT_GATT_PERM_READ | BT_GATT_PERM_WRITE,
103 read_value_v6, write_value_v6, &value_v6_value, 0x51),
104 BT_GATT_H_CCC(value_v6_ccc_cfg, value_v6_ccc_cfg_changed, 0x53)
105 };
106
107 static struct bt_gatt_service service_b_3_1_svc =
108 BT_GATT_SERVICE(service_b_3_1_attrs);
109
110 /**
111 * @brief Register the Service B.3 and all its Characteristics...
112 */
service_b_3_1_init(void)113 void service_b_3_1_init(void)
114 {
115 bt_gatt_service_register(&service_b_3_1_svc);
116 }
117
118 /**
119 * @brief Un-Register the Service B.3 and all its Characteristics...
120 */
service_b_3_1_remove(void)121 void service_b_3_1_remove(void)
122 {
123 bt_gatt_service_unregister(&service_b_3_1_svc);
124 }
125
126 /**
127 * @brief Generate notification for 'Value V6' attribute, if notifications are
128 * enabled.
129 */
service_b_3_1_value_v6_notify(void)130 void service_b_3_1_value_v6_notify(void)
131 {
132 if (!value_v6_ntf_active) {
133 return;
134 }
135
136 bt_gatt_notify(NULL, &service_b_3_1_attrs[1], &value_v6_value,
137 sizeof(value_v6_value));
138 }
139
