1 /** @file
2 * @brief GATT Device Information Service
3 */
4
5 /*
6 * Copyright (c) 2019 Demant
7 * Copyright (c) 2018 Nordic Semiconductor ASA
8 * Copyright (c) 2016 Intel Corporation
9 *
10 * SPDX-License-Identifier: Apache-2.0
11 */
12
13 #include <zephyr/types.h>
14 #include <stddef.h>
15 #include <string.h>
16 #include <errno.h>
17 #include <zephyr/kernel.h>
18 #include <zephyr/init.h>
19
20 #include <zephyr/settings/settings.h>
21
22 #include <zephyr/bluetooth/bluetooth.h>
23 #include <zephyr/bluetooth/hci.h>
24 #include <zephyr/bluetooth/conn.h>
25 #include <zephyr/bluetooth/uuid.h>
26 #include <zephyr/bluetooth/gatt.h>
27
28 #include <zephyr/sys/byteorder.h>
29 #include <zephyr/bluetooth/byteorder.h>
30
31 #define LOG_LEVEL CONFIG_BT_SERVICE_LOG_LEVEL
32 #include <zephyr/logging/log.h>
33 LOG_MODULE_REGISTER(bt_dis);
34
35 #if CONFIG_BT_DIS_PNP
36 struct dis_pnp {
37 uint8_t pnp_vid_src;
38 uint16_t pnp_vid;
39 uint16_t pnp_pid;
40 uint16_t pnp_ver;
41 } __packed;
42
43 static struct dis_pnp dis_pnp_id = {
44 .pnp_vid_src = CONFIG_BT_DIS_PNP_VID_SRC,
45 .pnp_vid = CONFIG_BT_DIS_PNP_VID,
46 .pnp_pid = CONFIG_BT_DIS_PNP_PID,
47 .pnp_ver = CONFIG_BT_DIS_PNP_VER,
48 };
49 #endif
50
51 #if defined(CONFIG_BT_DIS_SYSTEM_ID)
52 /*
53 * Casting to uint64_t since the value is at most 5 bytes, but will appear as a 32-bit literal if it
54 * is less, giving a warning when right-shifting by 32.
55 */
56 static uint8_t dis_system_id[8] = {BT_BYTES_LIST_LE40((uint64_t)CONFIG_BT_DIS_SYSTEM_ID_IDENTIFIER),
57 BT_BYTES_LIST_LE24(CONFIG_BT_DIS_SYSTEM_ID_OUI)};
58 #endif
59
60 #if defined(CONFIG_BT_DIS_SETTINGS)
61 BUILD_ASSERT(sizeof(CONFIG_BT_DIS_MODEL) <= CONFIG_BT_DIS_STR_MAX + 1);
62 BUILD_ASSERT(sizeof(CONFIG_BT_DIS_MANUF) <= CONFIG_BT_DIS_STR_MAX + 1);
63 static uint8_t dis_model[CONFIG_BT_DIS_STR_MAX + 1] = CONFIG_BT_DIS_MODEL;
64 static uint8_t dis_manuf[CONFIG_BT_DIS_STR_MAX + 1] = CONFIG_BT_DIS_MANUF;
65 #if defined(CONFIG_BT_DIS_SERIAL_NUMBER)
66 BUILD_ASSERT(sizeof(CONFIG_BT_DIS_SERIAL_NUMBER_STR) <= CONFIG_BT_DIS_STR_MAX + 1);
67 static uint8_t dis_serial_number[CONFIG_BT_DIS_STR_MAX + 1] = CONFIG_BT_DIS_SERIAL_NUMBER_STR;
68 #endif
69 #if defined(CONFIG_BT_DIS_FW_REV)
70 BUILD_ASSERT(sizeof(CONFIG_BT_DIS_FW_REV_STR) <= CONFIG_BT_DIS_STR_MAX + 1);
71 static uint8_t dis_fw_rev[CONFIG_BT_DIS_STR_MAX + 1] = CONFIG_BT_DIS_FW_REV_STR;
72 #endif
73 #if defined(CONFIG_BT_DIS_HW_REV)
74 BUILD_ASSERT(sizeof(CONFIG_BT_DIS_HW_REV_STR) <= CONFIG_BT_DIS_STR_MAX + 1);
75 static uint8_t dis_hw_rev[CONFIG_BT_DIS_STR_MAX + 1] = CONFIG_BT_DIS_HW_REV_STR;
76 #endif
77 #if defined(CONFIG_BT_DIS_SW_REV)
78 BUILD_ASSERT(sizeof(CONFIG_BT_DIS_SW_REV_STR) <= CONFIG_BT_DIS_STR_MAX + 1);
79 static uint8_t dis_sw_rev[CONFIG_BT_DIS_STR_MAX + 1] = CONFIG_BT_DIS_SW_REV_STR;
80 #endif
81 #if defined(CONFIG_BT_DIS_UDI)
82 BUILD_ASSERT(sizeof(CONFIG_BT_DIS_UDI_LABEL_STR) <= CONFIG_BT_DIS_STR_MAX + 1);
83 BUILD_ASSERT(sizeof(CONFIG_BT_DIS_UDI_DI_STR) <= CONFIG_BT_DIS_STR_MAX + 1);
84 BUILD_ASSERT(sizeof(CONFIG_BT_DIS_UDI_ISSUER_STR) <= CONFIG_BT_DIS_STR_MAX + 1);
85 BUILD_ASSERT(sizeof(CONFIG_BT_DIS_UDI_AUTHORITY_STR) <= CONFIG_BT_DIS_STR_MAX + 1);
86
87 static uint8_t dis_udi_label[CONFIG_BT_DIS_STR_MAX + 1] = CONFIG_BT_DIS_UDI_LABEL_STR;
88 static uint8_t dis_udi_di[CONFIG_BT_DIS_STR_MAX + 1] = CONFIG_BT_DIS_UDI_DI_STR;
89 static uint8_t dis_udi_issuer[CONFIG_BT_DIS_STR_MAX + 1] = CONFIG_BT_DIS_UDI_ISSUER_STR;
90 static uint8_t dis_udi_authority[CONFIG_BT_DIS_STR_MAX + 1] = CONFIG_BT_DIS_UDI_AUTHORITY_STR;
91 #endif
92 #if defined(CONFIG_BT_DIS_IEEE_RCDL)
93 BUILD_ASSERT(sizeof(CONFIG_BT_DIS_IEEE_RCDL_STR) <= CONFIG_BT_DIS_STR_MAX + 1);
94 static uint8_t dis_ieee_rcdl[CONFIG_BT_DIS_STR_MAX + 1] = CONFIG_BT_DIS_IEEE_RCDL_STR;
95 #endif
96
97 #define BT_DIS_MODEL_REF dis_model
98 #define BT_DIS_MANUF_REF dis_manuf
99 #define BT_DIS_SERIAL_NUMBER_STR_REF dis_serial_number
100 #define BT_DIS_FW_REV_STR_REF dis_fw_rev
101 #define BT_DIS_HW_REV_STR_REF dis_hw_rev
102 #define BT_DIS_SW_REV_STR_REF dis_sw_rev
103 #define BT_DIS_UDI_LABEL_STR_REF dis_udi_label
104 #define BT_DIS_UDI_DI_STR_REF dis_udi_di
105 #define BT_DIS_UDI_ISSUER_STR_REF dis_udi_issuer
106 #define BT_DIS_UDI_AUTHORITY_STR_REF dis_udi_authority
107 #define BT_DIS_IEEE_RCDL_STR_REF dis_ieee_rcdl
108
109 /*
110 * When assigning too long string literals to the arrays,
111 * the literals may be truncated, removing the null terminator.
112 * Using strnlen to avoid sending data outside the array.
113 */
114
115 #else /* CONFIG_BT_DIS_SETTINGS */
116
117 #define BT_DIS_MODEL_REF CONFIG_BT_DIS_MODEL
118 #define BT_DIS_MANUF_REF CONFIG_BT_DIS_MANUF
119 #define BT_DIS_SERIAL_NUMBER_STR_REF CONFIG_BT_DIS_SERIAL_NUMBER_STR
120 #define BT_DIS_FW_REV_STR_REF CONFIG_BT_DIS_FW_REV_STR
121 #define BT_DIS_HW_REV_STR_REF CONFIG_BT_DIS_HW_REV_STR
122 #define BT_DIS_SW_REV_STR_REF CONFIG_BT_DIS_SW_REV_STR
123 #define BT_DIS_UDI_LABEL_STR_REF CONFIG_BT_DIS_UDI_LABEL_STR
124 #define BT_DIS_UDI_DI_STR_REF CONFIG_BT_DIS_UDI_DI_STR
125 #define BT_DIS_UDI_ISSUER_STR_REF CONFIG_BT_DIS_UDI_ISSUER_STR
126 #define BT_DIS_UDI_AUTHORITY_STR_REF CONFIG_BT_DIS_UDI_AUTHORITY_STR
127 #define BT_DIS_IEEE_RCDL_STR_REF CONFIG_BT_DIS_IEEE_RCDL_STR
128
129 #endif /* CONFIG_BT_DIS_SETTINGS */
130
read_str(struct bt_conn * conn,const struct bt_gatt_attr * attr,void * buf,uint16_t len,uint16_t offset)131 static ssize_t read_str(struct bt_conn *conn, const struct bt_gatt_attr *attr, void *buf,
132 uint16_t len, uint16_t offset)
133 {
134 return bt_gatt_attr_read(conn, attr, buf, len, offset, attr->user_data,
135 strlen(attr->user_data));
136 }
137
138 #if CONFIG_BT_DIS_PNP
read_pnp_id(struct bt_conn * conn,const struct bt_gatt_attr * attr,void * buf,uint16_t len,uint16_t offset)139 static ssize_t read_pnp_id(struct bt_conn *conn, const struct bt_gatt_attr *attr, void *buf,
140 uint16_t len, uint16_t offset)
141 {
142 return bt_gatt_attr_read(conn, attr, buf, len, offset, &dis_pnp_id, sizeof(dis_pnp_id));
143 }
144 #endif
145
146 #if CONFIG_BT_DIS_SYSTEM_ID
read_system_id(struct bt_conn * conn,const struct bt_gatt_attr * attr,void * buf,uint16_t len,uint16_t offset)147 static ssize_t read_system_id(struct bt_conn *conn, const struct bt_gatt_attr *attr, void *buf,
148 uint16_t len, uint16_t offset)
149 {
150 return bt_gatt_attr_read(conn, attr, buf, len, offset, dis_system_id,
151 sizeof(dis_system_id));
152 }
153 #endif
154
155 #if CONFIG_BT_DIS_UDI
156 #define DIS_STR_SIZE(x) ((x[0]) != '\0' ? strlen(x) + sizeof('\0') : 0)
157 #define BT_DIS_UDI_FLAG_LABEL (!!BT_DIS_UDI_LABEL_STR_REF[0])
158 #define BT_DIS_UDI_FLAG_DI (!!BT_DIS_UDI_DI_STR_REF[0])
159 #define BT_DIS_UDI_FLAG_ISSUER (!!BT_DIS_UDI_ISSUER_STR_REF[0])
160 #define BT_DIS_UDI_FLAG_AUTHORITY (!!BT_DIS_UDI_AUTHORITY_STR_REF[0])
161 #define BT_DIS_UDI_FLAGS \
162 (BT_DIS_UDI_FLAG_LABEL | (BT_DIS_UDI_FLAG_DI << 1) | (BT_DIS_UDI_FLAG_ISSUER << 2) | \
163 (BT_DIS_UDI_FLAG_AUTHORITY << 3))
164
165 /*
166 * UDI for medical devices contains a flag and 4 different null-terminated strings that may have
167 * unknown length. This requires its own encode method.
168 */
read_udi_subval(const char * str,uint16_t val_len,char * buf,uint16_t * bytes_read,uint16_t * index,uint16_t len,uint16_t offset)169 static void read_udi_subval(const char *str, uint16_t val_len, char *buf, uint16_t *bytes_read,
170 uint16_t *index, uint16_t len, uint16_t offset)
171 {
172 /* String should not be with included null-terminator if empty */
173 if (val_len == sizeof('\0')) {
174 return;
175 }
176
177 if (*bytes_read == len) {
178 return;
179 }
180
181 if (*index + val_len < offset) {
182 *index += val_len;
183 return;
184 }
185
186 for (uint16_t i = 0; i < val_len; i++) {
187 if (*index >= offset && *bytes_read < len) {
188 buf[*bytes_read] = str[i];
189
190 (*bytes_read)++;
191 }
192
193 (*index)++;
194 }
195 }
196
read_udi(struct bt_conn * conn,const struct bt_gatt_attr * attr,void * buf,uint16_t len,uint16_t offset)197 static ssize_t read_udi(struct bt_conn *conn, const struct bt_gatt_attr *attr, void *buf,
198 uint16_t len, uint16_t offset)
199 {
200 uint16_t bytes_read = 0;
201
202 char *buf_i = (char *)buf;
203
204 /* Flag */
205 uint16_t index = sizeof(uint8_t);
206
207 if (offset == 0) {
208 buf_i[0] = BT_DIS_UDI_FLAGS;
209 bytes_read = 1U;
210 }
211
212 read_udi_subval(BT_DIS_UDI_LABEL_STR_REF, DIS_STR_SIZE(BT_DIS_UDI_LABEL_STR_REF), buf_i,
213 &bytes_read, &index, len, offset);
214 read_udi_subval(BT_DIS_UDI_DI_STR_REF, DIS_STR_SIZE(BT_DIS_UDI_DI_STR_REF), buf_i,
215 &bytes_read, &index, len, offset);
216 read_udi_subval(BT_DIS_UDI_ISSUER_STR_REF, DIS_STR_SIZE(BT_DIS_UDI_ISSUER_STR_REF), buf_i,
217 &bytes_read, &index, len, offset);
218 read_udi_subval(BT_DIS_UDI_AUTHORITY_STR_REF, DIS_STR_SIZE(BT_DIS_UDI_AUTHORITY_STR_REF),
219 buf_i, &bytes_read, &index, len, offset);
220
221 return bytes_read;
222 }
223 #endif
224
225 /* Device Information Service Declaration */
226 BT_GATT_SERVICE_DEFINE(
227 dis_svc, BT_GATT_PRIMARY_SERVICE(BT_UUID_DIS),
228
229 BT_GATT_CHARACTERISTIC(BT_UUID_DIS_MODEL_NUMBER, BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
230 read_str, NULL, BT_DIS_MODEL_REF),
231 BT_GATT_CHARACTERISTIC(BT_UUID_DIS_MANUFACTURER_NAME, BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
232 read_str, NULL, BT_DIS_MANUF_REF),
233 #if CONFIG_BT_DIS_PNP
234 BT_GATT_CHARACTERISTIC(BT_UUID_DIS_PNP_ID, BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
235 read_pnp_id, NULL, &dis_pnp_id),
236 #endif
237
238 #if defined(CONFIG_BT_DIS_SERIAL_NUMBER)
239 BT_GATT_CHARACTERISTIC(BT_UUID_DIS_SERIAL_NUMBER, BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
240 read_str, NULL, BT_DIS_SERIAL_NUMBER_STR_REF),
241 #endif
242 #if defined(CONFIG_BT_DIS_FW_REV)
243 BT_GATT_CHARACTERISTIC(BT_UUID_DIS_FIRMWARE_REVISION, BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
244 read_str, NULL, BT_DIS_FW_REV_STR_REF),
245 #endif
246 #if defined(CONFIG_BT_DIS_HW_REV)
247 BT_GATT_CHARACTERISTIC(BT_UUID_DIS_HARDWARE_REVISION, BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
248 read_str, NULL, BT_DIS_HW_REV_STR_REF),
249 #endif
250 #if defined(CONFIG_BT_DIS_SW_REV)
251 BT_GATT_CHARACTERISTIC(BT_UUID_DIS_SOFTWARE_REVISION, BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
252 read_str, NULL, BT_DIS_SW_REV_STR_REF),
253 #endif
254 #if defined(CONFIG_BT_DIS_UDI)
255 BT_GATT_CHARACTERISTIC(BT_UUID_UDI_FOR_MEDICAL_DEVICES, BT_GATT_CHRC_READ,
256 BT_GATT_PERM_READ, read_udi, NULL, NULL),
257 #endif
258 #if defined(CONFIG_BT_DIS_SYSTEM_ID)
259 BT_GATT_CHARACTERISTIC(BT_UUID_DIS_SYSTEM_ID, BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
260 read_system_id, NULL, NULL),
261 #endif
262 #if defined(CONFIG_BT_DIS_IEEE_RCDL)
263 BT_GATT_CHARACTERISTIC(BT_UUID_GATT_IEEE_RCDL, BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
264 read_str, NULL, BT_DIS_IEEE_RCDL_STR_REF),
265 #endif
266
267 );
268
269 #if defined(CONFIG_BT_DIS_SETTINGS)
270 #if defined(CONFIG_BT_DIS_UDI)
dis_update_udi_value(const char * new,char * old,settings_read_cb read_cb,const char * logkey)271 static void dis_update_udi_value(const char *new, char *old, settings_read_cb read_cb,
272 const char *logkey)
273 {
274 /*
275 * The characteristic contains 1 one-byte flag and 4-null-terminated.
276 * The null-terminators are only present for strings that are in the flags.
277 */
278 const size_t merged_size = sizeof(uint8_t) + DIS_STR_SIZE(BT_DIS_UDI_LABEL_STR_REF) +
279 DIS_STR_SIZE(BT_DIS_UDI_DI_STR_REF) +
280 DIS_STR_SIZE(BT_DIS_UDI_ISSUER_STR_REF) +
281 DIS_STR_SIZE(BT_DIS_UDI_AUTHORITY_STR_REF);
282
283 size_t without_old = merged_size - DIS_STR_SIZE(old);
284
285 bool valid = BT_ATT_MAX_ATTRIBUTE_LEN >= without_old + DIS_STR_SIZE(new);
286
287 if (!valid) {
288 LOG_ERR("Failed to set UDI %s. Not enough space. The sum of the 4 DIS UDI for "
289 "Medical Devices strings may not exceed the maximum attribute length.",
290 logkey);
291 return;
292 }
293
294 int16_t len = read_cb((void *)new, (void *)old, CONFIG_BT_DIS_STR_MAX);
295
296 if (len < 0) {
297 LOG_ERR("Failed to read UDI %s from storage (err %zd)", logkey, len);
298 } else {
299 old[len] = '\0';
300
301 LOG_DBG("UDI %s set to %s", logkey, old);
302 }
303 }
304 #endif
305
dis_set(const char * name,size_t len_rd,settings_read_cb read_cb,void * store)306 static int dis_set(const char *name, size_t len_rd, settings_read_cb read_cb, void *store)
307 {
308 ssize_t len;
309 int nlen;
310 const char *next;
311
312 nlen = settings_name_next(name, &next);
313 if (!strncmp(name, "manuf", nlen)) {
314 len = read_cb(store, &dis_manuf, sizeof(dis_manuf) - 1);
315 if (len < 0) {
316 LOG_ERR("Failed to read manufacturer from storage (err %zd)", len);
317 } else {
318 dis_manuf[len] = '\0';
319
320 LOG_DBG("Manufacturer set to %s", dis_manuf);
321 }
322 return 0;
323 }
324 if (!strncmp(name, "model", nlen)) {
325 len = read_cb(store, &dis_model, sizeof(dis_model) - 1);
326 if (len < 0) {
327 LOG_ERR("Failed to read model from storage (err %zd)", len);
328 } else {
329 dis_model[len] = '\0';
330
331 LOG_DBG("Model set to %s", dis_model);
332 }
333 return 0;
334 }
335 #if defined(CONFIG_BT_DIS_SERIAL_NUMBER)
336 if (!strncmp(name, "serial", nlen)) {
337 len = read_cb(store, &dis_serial_number, sizeof(dis_serial_number) - 1);
338 if (len < 0) {
339 LOG_ERR("Failed to read serial number from storage (err %zd)", len);
340 } else {
341 dis_serial_number[len] = '\0';
342
343 LOG_DBG("Serial number set to %s", dis_serial_number);
344 }
345 return 0;
346 }
347 #endif
348 #if defined(CONFIG_BT_DIS_FW_REV)
349 if (!strncmp(name, "fw", nlen)) {
350 len = read_cb(store, &dis_fw_rev, sizeof(dis_fw_rev) - 1);
351 if (len < 0) {
352 LOG_ERR("Failed to read firmware revision from storage (err %zd)", len);
353 } else {
354 dis_fw_rev[len] = '\0';
355
356 LOG_DBG("Firmware revision set to %s", dis_fw_rev);
357 }
358 return 0;
359 }
360 #endif
361 #if defined(CONFIG_BT_DIS_HW_REV)
362 if (!strncmp(name, "hw", nlen)) {
363 len = read_cb(store, &dis_hw_rev, sizeof(dis_hw_rev) - 1);
364 if (len < 0) {
365 LOG_ERR("Failed to read hardware revision from storage (err %zd)", len);
366 } else {
367 dis_hw_rev[len] = '\0';
368
369 LOG_DBG("Hardware revision set to %s", dis_hw_rev);
370 }
371 return 0;
372 }
373 #endif
374 #if defined(CONFIG_BT_DIS_SW_REV)
375 if (!strncmp(name, "sw", nlen)) {
376 len = read_cb(store, &dis_sw_rev, sizeof(dis_sw_rev) - 1);
377 if (len < 0) {
378 LOG_ERR("Failed to read software revision from storage (err %zd)", len);
379 } else {
380 dis_sw_rev[len] = '\0';
381
382 LOG_DBG("Software revision set to %s", dis_sw_rev);
383 }
384 return 0;
385 }
386 #endif
387 #if defined(CONFIG_BT_DIS_UDI)
388 if (!strncmp(name, "udi_label", nlen)) {
389 dis_update_udi_value(store, BT_DIS_UDI_LABEL_STR_REF, read_cb, "label");
390 return 0;
391 }
392
393 if (!strncmp(name, "udi_di", nlen)) {
394 dis_update_udi_value(store, BT_DIS_UDI_DI_STR_REF, read_cb, "device information");
395 return 0;
396 }
397
398 if (!strncmp(name, "udi_issuer", nlen)) {
399 dis_update_udi_value(store, BT_DIS_UDI_ISSUER_STR_REF, read_cb, "issuer");
400 return 0;
401 }
402
403 if (!strncmp(name, "udi_authority", nlen)) {
404 dis_update_udi_value(store, BT_DIS_UDI_AUTHORITY_STR_REF, read_cb, "authority");
405 return 0;
406 }
407 #endif
408 #if defined(CONFIG_BT_DIS_SYSTEM_ID)
409 if (!strncmp(name, "sysid_oui", nlen)) {
410 uint32_t oui = 0;
411
412 len = read_cb(store, &oui, sizeof(oui));
413 if (len < 0) {
414 LOG_ERR("Failed to read System ID OUI from storage (err %zd)", len);
415 } else {
416 sys_put_le24(oui, &dis_system_id[5]);
417 LOG_DBG("System ID OUI set to %06X", oui);
418 }
419 return 0;
420 }
421 if (!strncmp(name, "sysid_identifier", nlen)) {
422 uint64_t identifier = 0;
423
424 len = read_cb(store, &identifier, sizeof(identifier));
425 if (len < 0) {
426 LOG_ERR("Failed to read System ID identifier from storage (err %zd)", len);
427 } else {
428 sys_put_le40(identifier, &dis_system_id[0]);
429 LOG_DBG("System ID identifier set to %10llX", identifier);
430 }
431 return 0;
432 }
433 #endif
434 #if defined(CONFIG_BT_DIS_IEEE_RCDL)
435 if (!strncmp(name, "ieeercdl", nlen)) {
436 len = read_cb(store, &dis_ieee_rcdl, sizeof(dis_ieee_rcdl) - 1);
437 if (len < 0) {
438 LOG_ERR("Failed to read IEEE 11073-20601 Regulatory Certification Data "
439 "List from storage (err %zd)",
440 len);
441 } else {
442 dis_ieee_rcdl[len] = '\0';
443
444 LOG_DBG("IEEE 11073-20601 Regulatory Certification Data List set to %s",
445 dis_ieee_rcdl);
446 }
447 return 0;
448 }
449 #endif
450 return 0;
451 }
452
453 SETTINGS_STATIC_HANDLER_DEFINE(bt_dis, "bt/dis", NULL, dis_set, NULL, NULL);
454
455 #endif /* CONFIG_BT_DIS_SETTINGS*/
456