nrf_ble_scan(7374).c 52 KB

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  1. /**
  2. * Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
  3. *
  4. * All rights reserved.
  5. *
  6. * Redistribution and use in source and binary forms, with or without modification,
  7. * are permitted provided that the following conditions are met:
  8. *
  9. * 1. Redistributions of source code must retain the above copyright notice, this
  10. * list of conditions and the following disclaimer.
  11. *
  12. * 2. Redistributions in binary form, except as embedded into a Nordic
  13. * Semiconductor ASA integrated circuit in a product or a software update for
  14. * such product, must reproduce the above copyright notice, this list of
  15. * conditions and the following disclaimer in the documentation and/or other
  16. * materials provided with the distribution.
  17. *
  18. * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
  19. * contributors may be used to endorse or promote products derived from this
  20. * software without specific prior written permission.
  21. *
  22. * 4. This software, with or without modification, must only be used with a
  23. * Nordic Semiconductor ASA integrated circuit.
  24. *
  25. * 5. Any software provided in binary form under this license must not be reverse
  26. * engineered, decompiled, modified and/or disassembled.
  27. *
  28. * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
  29. * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  30. * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
  31. * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
  32. * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  33. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  34. * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  35. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  36. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  37. * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  38. *
  39. */
  40. #include "sdk_common.h"
  41. #if NRF_MODULE_ENABLED(NRF_BLE_SCAN)
  42. #include "sdk_config.h"
  43. #include <stdlib.h>
  44. #include "nrf_ble_scan.h"
  45. #include <string.h>
  46. #include "app_error.h"
  47. #include "nrf_assert.h"
  48. #include "sdk_macros.h"
  49. #include "ble_advdata.h"
  50. #define NRF_LOG_MODULE_NAME ble_scan
  51. #include "nrf_log.h"
  52. NRF_LOG_MODULE_REGISTER();
  53. #include <stdio.h>
  54. #include "our_service.h"
  55. #include "sysmgr.h"
  56. /**@brief Function for establishing the connection with a device.
  57. *
  58. * @details Connection is established if @ref NRF_BLE_SCAN_EVT_FILTER_MATCH
  59. * or @ref NRF_BLE_SCAN_EVT_WHITELIST_ADV_REPORT occurs and the module was
  60. * initialized in the automatic connection mode. This function can generate an event
  61. * to the main application when @ref sd_ble_gap_connect is used inside the function and it returns value
  62. * that is different than @ref NRF_SUCCESS.
  63. *
  64. * @param[in] p_scan_ctx Pointer to the Scanning Module instance.
  65. * @param[in] p_adv_report Advertising data.
  66. */
  67. static void nrf_ble_scan_connect_with_target(nrf_ble_scan_t const * const p_scan_ctx,
  68. ble_gap_evt_adv_report_t const * const p_adv_report)
  69. {
  70. ret_code_t err_code;
  71. scan_evt_t scan_evt;
  72. // For readability.
  73. ble_gap_addr_t const * p_addr = &p_adv_report->peer_addr;
  74. ble_gap_scan_params_t const * p_scan_params = &p_scan_ctx->scan_params;
  75. ble_gap_conn_params_t const * p_conn_params = &p_scan_ctx->conn_params;
  76. uint8_t con_cfg_tag = p_scan_ctx->conn_cfg_tag;
  77. // Return if the automatic connection is disabled.
  78. if (!p_scan_ctx->connect_if_match)
  79. {
  80. return;
  81. }
  82. // Stop scanning.
  83. nrf_ble_scan_stop();
  84. memset(&scan_evt, 0, sizeof(scan_evt));
  85. // Establish connection.
  86. err_code = sd_ble_gap_connect(p_addr,
  87. p_scan_params,
  88. p_conn_params,
  89. con_cfg_tag);
  90. NRF_LOG_DEBUG("Connecting");
  91. scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_CONNECTING_ERROR;
  92. scan_evt.params.connecting_err.err_code = err_code;
  93. NRF_LOG_DEBUG("Connection status: %d", err_code);
  94. // If an error occurred, send an event to the event handler.
  95. if ((err_code != NRF_SUCCESS) && (p_scan_ctx->evt_handler != NULL))
  96. {
  97. p_scan_ctx->evt_handler(&scan_evt);
  98. }
  99. }
  100. /**@brief Function for decoding the BLE address type.
  101. *
  102. * @param[in] p_addr The BLE address.
  103. *
  104. * @return Address type, or an error if the address type is incorrect, that is it does not match @ref BLE_GAP_ADDR_TYPES.
  105. *
  106. */
  107. static uint16_t nrf_ble_scan_address_type_decode(uint8_t const * p_addr)
  108. {
  109. uint8_t addr_type = p_addr[0];
  110. // See Bluetooth Core Specification Vol 6, Part B, section 1.3.
  111. addr_type = addr_type >> 6;
  112. addr_type &= 0x03;
  113. // Check address type.
  114. switch (addr_type)
  115. {
  116. case 0:
  117. {
  118. return BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE;
  119. }
  120. case 1:
  121. {
  122. return BLE_GAP_ADDR_TYPE_PUBLIC;
  123. }
  124. case 2:
  125. {
  126. return BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE;
  127. }
  128. case 3:
  129. {
  130. return BLE_GAP_ADDR_TYPE_RANDOM_STATIC;
  131. }
  132. default:
  133. {
  134. return BLE_ERROR_GAP_INVALID_BLE_ADDR;
  135. }
  136. }
  137. }
  138. #if (NRF_BLE_SCAN_FILTER_ENABLE == 1)
  139. #if (NRF_BLE_SCAN_ADDRESS_CNT > 0)
  140. /**@brief Function for searching for the provided address in the advertisement packets.
  141. *
  142. * @details Use this function to parse the received advertising data for the provided address.
  143. *
  144. *
  145. * @param[in] p_adv_report Advertising data to parse.
  146. * @param[in] p_addr Address to search for. The address length must correspond to @ref BLE_GAP_ADDR_LEN.
  147. *
  148. * @return True if the provided address was found, false otherwise.
  149. */
  150. static bool find_peer_addr(ble_gap_evt_adv_report_t const * const p_adv_report,
  151. ble_gap_addr_t const * p_addr)
  152. {
  153. if (p_addr->addr_type == p_adv_report->peer_addr.addr_type)
  154. {
  155. // Compare addresses.
  156. if (memcmp(p_addr->addr,
  157. p_adv_report->peer_addr.addr,
  158. sizeof(p_adv_report->peer_addr.addr)) == 0)
  159. {
  160. return true;
  161. }
  162. }
  163. return false;
  164. }
  165. /** @brief Function for comparing the provided address with the addresses of the advertising devices.
  166. *
  167. * @param[in] p_adv_report Advertising data to parse.
  168. * @param[in] p_scan_ctx Pointer to the Scanning Module instance.
  169. *
  170. * @retval True when the address matches with the addresses of the advertising devices. False otherwise.
  171. */
  172. static bool adv_addr_compare(ble_gap_evt_adv_report_t const * const p_adv_report,
  173. nrf_ble_scan_t const * const p_scan_ctx)
  174. {
  175. ble_gap_addr_t const * p_addr = p_scan_ctx->scan_filters.addr_filter.target_addr;
  176. uint8_t counter = p_scan_ctx->scan_filters.addr_filter.addr_cnt;
  177. for (uint8_t index = 0; index < counter; index++)
  178. {
  179. // Search for address.
  180. if (find_peer_addr(p_adv_report, &p_addr[index]))
  181. {
  182. return true;
  183. }
  184. }
  185. return false;
  186. }
  187. /**@brief Function for adding target address to the scanning filter.
  188. *
  189. * @param[in] p_addr Target address in the format required by the SoftDevice. If you need to convert the address, use @ref nrf_ble_scan_copy_addr_to_sd_gap_addr. The address length must correspond to @ref BLE_GAP_ADDR_LEN.
  190. * @param[in,out] p_scan_ctx Pointer to the Scanning Module instance.
  191. *
  192. * @retval NRF_SUCCESS If the filter is added successfully or if you try to add a filter that was already added before.
  193. * @retval NRF_ERROR_NO_MEMORY If the number of available filters is exceeded.
  194. * @retval BLE_ERROR_GAP_INVALID_BLE_ADDR If the BLE address type is invalid.
  195. */
  196. static ret_code_t nrf_ble_scan_addr_filter_add(nrf_ble_scan_t * const p_scan_ctx,
  197. uint8_t const * p_addr)
  198. {
  199. ble_gap_addr_t * p_addr_filter = p_scan_ctx->scan_filters.addr_filter.target_addr;
  200. uint8_t * p_counter = &p_scan_ctx->scan_filters.addr_filter.addr_cnt;
  201. uint8_t index;
  202. uint16_t addr_type;
  203. uint8_t temp_addr[BLE_GAP_ADDR_LEN];
  204. // If no memory for filter.
  205. if (*p_counter >= NRF_BLE_SCAN_ADDRESS_CNT)
  206. {
  207. return NRF_ERROR_NO_MEM;
  208. }
  209. // Check for duplicated filter.
  210. for (index = 0; index < NRF_BLE_SCAN_ADDRESS_CNT; index++)
  211. {
  212. if (!memcmp(p_addr_filter[index].addr, p_addr, BLE_GAP_ADDR_LEN))
  213. {
  214. return NRF_SUCCESS;
  215. }
  216. }
  217. // Inverting the address.
  218. for (uint8_t i = 0; i < BLE_GAP_ADDR_LEN; i++)
  219. {
  220. temp_addr[i] = p_addr[(BLE_GAP_ADDR_LEN - 1) - i];
  221. }
  222. // Decode address type.
  223. addr_type = nrf_ble_scan_address_type_decode(temp_addr);
  224. if (addr_type == BLE_ERROR_GAP_INVALID_BLE_ADDR)
  225. {
  226. return BLE_ERROR_GAP_INVALID_BLE_ADDR;
  227. }
  228. // Add target address to filter.
  229. p_addr_filter[*p_counter].addr_type = (uint8_t)addr_type;
  230. for (uint8_t i = 0; i < BLE_GAP_ADDR_LEN; i++)
  231. {
  232. p_addr_filter[*p_counter].addr[i] = p_addr[i];
  233. }
  234. NRF_LOG_DEBUG("Filter set on address type %i, address 0x",
  235. p_addr_filter[*p_counter].addr_type);
  236. for (index = 0; index < BLE_GAP_ADDR_LEN; index++)
  237. {
  238. NRF_LOG_DEBUG("%x", p_addr_filter[*p_counter].addr[index]);
  239. }
  240. NRF_LOG_DEBUG("\n\r");
  241. // Increase the address filter counter.
  242. *p_counter += 1;
  243. return NRF_SUCCESS;
  244. }
  245. #endif // NRF_BLE_SCAN_ADDRESS_CNT
  246. #if (NRF_BLE_SCAN_NAME_CNT > 0)
  247. /** @brief Function for comparing the provided name with the advertised name.
  248. *
  249. * @param[in] p_adv_report Advertising data to parse.
  250. * @param[in] p_scan_ctx Pointer to the Scanning Module instance.
  251. *
  252. * @retval True when the names match. False otherwise.
  253. */
  254. static bool adv_name_compare(ble_gap_evt_adv_report_t const * p_adv_report,
  255. nrf_ble_scan_t const * const p_scan_ctx)
  256. {
  257. nrf_ble_scan_name_filter_t const * p_name_filter = &p_scan_ctx->scan_filters.name_filter;
  258. uint8_t counter =
  259. p_scan_ctx->scan_filters.name_filter.name_cnt;
  260. uint8_t index;
  261. uint16_t data_len;
  262. data_len = p_adv_report->data.len;
  263. // Compare the name found with the name filter.
  264. for (index = 0; index < counter; index++)
  265. {
  266. if (ble_advdata_name_find(p_adv_report->data.p_data,
  267. data_len,
  268. p_name_filter->target_name[index]))
  269. {
  270. return true;
  271. }
  272. }
  273. return false;
  274. }
  275. /**@brief Function for adding name of the peripheral to the scanning filter.
  276. *
  277. * @param[in] p_name Peripheral name.
  278. * @param[in,out] p_scan_ctx Pointer to the Scanning Module instance.
  279. *
  280. * @retval NRF_SUCCESS If the filter is added successfully or if you try to add a filter that was already added before.
  281. * @retval NRF_ERROR_NULL If a NULL pointer is passed as input.
  282. * @retval NRF_ERROR_DATA_SIZE If the name filter length is too long. The maximum filter name length corresponds to @ref NRF_BLE_SCAN_NAME_MAX_LEN.
  283. * @retval NRF_ERROR_NO_MEMORY If the number of available filters is exceeded.
  284. */
  285. static ret_code_t nrf_ble_scan_name_filter_add(nrf_ble_scan_t * const p_scan_ctx,
  286. char const * p_name)
  287. {
  288. uint8_t index;
  289. uint8_t * counter = &p_scan_ctx->scan_filters.name_filter.name_cnt;
  290. uint8_t name_len = strlen(p_name);
  291. // Check the name length.
  292. if ((name_len == 0) || (name_len > NRF_BLE_SCAN_NAME_MAX_LEN))
  293. {
  294. return NRF_ERROR_DATA_SIZE;
  295. }
  296. // If no memory for filter.
  297. if (*counter >= NRF_BLE_SCAN_NAME_CNT)
  298. {
  299. return NRF_ERROR_NO_MEM;
  300. }
  301. // Check for duplicated filter.
  302. for (index = 0; index < NRF_BLE_SCAN_NAME_CNT; index++)
  303. {
  304. if (!strcmp(p_scan_ctx->scan_filters.name_filter.target_name[index], p_name))
  305. {
  306. return NRF_SUCCESS;
  307. }
  308. }
  309. // Add name to filter.
  310. memcpy(p_scan_ctx->scan_filters.name_filter.target_name[(*counter)++],
  311. p_name,
  312. strlen(p_name));
  313. NRF_LOG_DEBUG("Adding filter on %s name", p_name);
  314. return NRF_SUCCESS;
  315. }
  316. #endif // NRF_BLE_SCAN_NAME_CNT
  317. #if (NRF_BLE_SCAN_SHORT_NAME_CNT > 0)
  318. /** @brief Function for comparing the provided short name with the advertised short name.
  319. *
  320. * @param[in] p_adv_report Advertising data to parse.
  321. * @param[in] p_scan_ctx Pointer to the Scanning Module instance.
  322. *
  323. * @retval True when the names match. False otherwise.
  324. */
  325. static bool adv_short_name_compare(ble_gap_evt_adv_report_t const * const p_adv_report,
  326. nrf_ble_scan_t const * const p_scan_ctx)
  327. {
  328. nrf_ble_scan_short_name_filter_t const * p_name_filter =
  329. &p_scan_ctx->scan_filters.short_name_filter;
  330. uint8_t counter = p_scan_ctx->scan_filters.short_name_filter.name_cnt;
  331. uint8_t index;
  332. uint16_t data_len;
  333. data_len = p_adv_report->data.len;
  334. // Compare the name found with the name filters.
  335. for (index = 0; index < counter; index++)
  336. {
  337. if (ble_advdata_short_name_find(p_adv_report->data.p_data,
  338. data_len,
  339. p_name_filter->short_name[index].short_target_name,
  340. p_name_filter->short_name[index].short_name_min_len))
  341. {
  342. return true;
  343. }
  344. }
  345. return false;
  346. }
  347. /**@brief Function for adding the short name of the peripheral to the scanning filter.
  348. *
  349. * @param[in] p_short_name Short name of the peripheral.
  350. * @param[in,out] p_scan_ctx Pointer to the Scanning Module instance.
  351. *
  352. * @retval NRF_SUCCESS If the filter is added successfully or if you try to add a filter that was already added before.
  353. * @retval NRF_ERROR_NULL If a NULL pointer is passed as input.
  354. * @retval NRF_ERROR_DATA_SIZE If the name filter length is too long. The maximum filter name length corresponds to @ref NRF_BLE_SCAN_SHORT_NAME_MAX_LEN.
  355. * @retval NRF_ERROR_NO_MEMORY If the number of available filters is exceeded.
  356. */
  357. static ret_code_t nrf_ble_scan_short_name_filter_add(nrf_ble_scan_t * const p_scan_ctx,
  358. nrf_ble_scan_short_name_t const * p_short_name)
  359. {
  360. uint8_t index;
  361. uint8_t * p_counter =
  362. &p_scan_ctx->scan_filters.short_name_filter.name_cnt;
  363. nrf_ble_scan_short_name_filter_t * p_short_name_filter =
  364. &p_scan_ctx->scan_filters.short_name_filter;
  365. uint8_t name_len = strlen(p_short_name->p_short_name);
  366. // Check the name length.
  367. if ((name_len == 0) || (name_len > NRF_BLE_SCAN_SHORT_NAME_MAX_LEN))
  368. {
  369. return NRF_ERROR_DATA_SIZE;
  370. }
  371. // If no memory for filter.
  372. if (*p_counter >= NRF_BLE_SCAN_SHORT_NAME_CNT)
  373. {
  374. return NRF_ERROR_NO_MEM;
  375. }
  376. // Check for duplicated filter.
  377. for (index = 0; index < NRF_BLE_SCAN_SHORT_NAME_CNT; index++)
  378. {
  379. if (!strcmp(p_short_name_filter->short_name[index].short_target_name,
  380. p_short_name->p_short_name))
  381. {
  382. return NRF_SUCCESS;
  383. }
  384. }
  385. // Add name to the filter.
  386. p_short_name_filter->short_name[(*p_counter)].short_name_min_len =
  387. p_short_name->short_name_min_len;
  388. memcpy(p_short_name_filter->short_name[(*p_counter)++].short_target_name,
  389. p_short_name->p_short_name,
  390. strlen(p_short_name->p_short_name));
  391. NRF_LOG_DEBUG("Adding filter on %s name", p_short_name->p_short_name);
  392. return NRF_SUCCESS;
  393. }
  394. #endif
  395. #if (NRF_BLE_SCAN_UUID_CNT > 0)
  396. /**@brief Function for comparing the provided UUID with the UUID in the advertisement packets.
  397. *
  398. * @param[in] p_adv_report Advertising data to parse.
  399. * @param[in] p_scan_ctx Pointer to the Scanning Module instance.
  400. *
  401. * @return True if the UUIDs match. False otherwise.
  402. */
  403. static bool adv_uuid_compare(ble_gap_evt_adv_report_t const * const p_adv_report,
  404. nrf_ble_scan_t const * const p_scan_ctx)
  405. {
  406. nrf_ble_scan_uuid_filter_t const * p_uuid_filter = &p_scan_ctx->scan_filters.uuid_filter;
  407. bool const all_filters_mode = p_scan_ctx->scan_filters.all_filters_mode;
  408. uint8_t const counter =
  409. p_scan_ctx->scan_filters.uuid_filter.uuid_cnt;
  410. uint8_t index;
  411. uint16_t data_len;
  412. uint8_t uuid_match_cnt = 0;
  413. data_len = p_adv_report->data.len;
  414. for (index = 0; index < counter; index++)
  415. {
  416. if (ble_advdata_uuid_find(p_adv_report->data.p_data,
  417. data_len,
  418. &p_uuid_filter->uuid[index]))
  419. {
  420. uuid_match_cnt++;
  421. // In the normal filter mode, only one UUID is needed to match.
  422. if (!all_filters_mode)
  423. {
  424. break;
  425. }
  426. }
  427. else if (all_filters_mode)
  428. {
  429. break;
  430. }
  431. else
  432. {
  433. // Do nothing.
  434. }
  435. }
  436. // In the multifilter mode, all UUIDs must be found in the advertisement packets.
  437. if ((all_filters_mode && (uuid_match_cnt == counter)) ||
  438. ((!all_filters_mode) && (uuid_match_cnt > 0)))
  439. {
  440. return true;
  441. }
  442. return false;
  443. }
  444. /**@brief Function for adding UUID to the scanning filter.
  445. *
  446. * @param[in] uuid UUID, 16-bit size.
  447. * @param[in,out] p_scan_ctx Pointer to the Scanning Module instance.
  448. *
  449. * @retval NRF_SUCCESS If the scanning started. Otherwise, an error code is returned, also if you tried to add a filter that was already added before.
  450. * @retval NRF_ERROR_NO_MEMORY If the number of available filters is exceeded.
  451. */
  452. static ret_code_t nrf_ble_scan_uuid_filter_add(nrf_ble_scan_t * const p_scan_ctx,
  453. ble_uuid_t const * p_uuid)
  454. {
  455. ble_uuid_t * p_uuid_filter = p_scan_ctx->scan_filters.uuid_filter.uuid;
  456. uint8_t * p_counter = &p_scan_ctx->scan_filters.uuid_filter.uuid_cnt;
  457. uint8_t index;
  458. // If no memory.
  459. if (*p_counter >= NRF_BLE_SCAN_UUID_CNT)
  460. {
  461. return NRF_ERROR_NO_MEM;
  462. }
  463. // Check for duplicated filter.
  464. for (index = 0; index < NRF_BLE_SCAN_UUID_CNT; index++)
  465. {
  466. if (p_uuid_filter[index].uuid == p_uuid->uuid)
  467. {
  468. return NRF_SUCCESS;
  469. }
  470. }
  471. // Add UUID to the filter.
  472. p_uuid_filter[(*p_counter)++] = *p_uuid;
  473. NRF_LOG_DEBUG("Added filter on UUID %x", p_uuid->uuid);
  474. return NRF_SUCCESS;
  475. }
  476. #endif // NRF_BLE_SCAN_UUID_CNT
  477. #if (NRF_BLE_SCAN_APPEARANCE_CNT)
  478. /**@brief Function for comparing the provided appearance with the appearance in the advertisement packets.
  479. *
  480. * @param[in] p_adv_report Advertising data to parse.
  481. * @param[in,out] p_scan_ctx Pointer to the Scanning Module instance.
  482. *
  483. * @return True if the appearances match. False otherwise.
  484. */
  485. static bool adv_appearance_compare(ble_gap_evt_adv_report_t const * const p_adv_report,
  486. nrf_ble_scan_t const * const p_scan_ctx)
  487. {
  488. nrf_ble_scan_appearance_filter_t const * p_appearance_filter =
  489. &p_scan_ctx->scan_filters.appearance_filter;
  490. uint8_t const counter =
  491. p_scan_ctx->scan_filters.appearance_filter.appearance_cnt;
  492. uint8_t index;
  493. uint16_t data_len;
  494. data_len = p_adv_report->data.len;
  495. // Verify if the advertised appearance matches the provided appearance.
  496. for (index = 0; index < counter; index++)
  497. {
  498. if (ble_advdata_appearance_find(p_adv_report->data.p_data,
  499. data_len,
  500. &p_appearance_filter->appearance[index]))
  501. {
  502. return true;
  503. }
  504. }
  505. return false;
  506. }
  507. /**@brief Function for adding appearance to the scanning filter.
  508. *
  509. * @param[in] appearance Appearance to be added.
  510. * @param[in,out] p_scan_ctx Pointer to the Scanning Module instance.
  511. *
  512. * @retval NRF_SUCCESS If the filter is added successfully or if you try to add a filter that was already added before.
  513. * @retval NRF_ERROR_NULL If a NULL pointer is passed as input.
  514. * @retval NRF_ERROR_NO_MEMORY If the number of available filters is exceeded.
  515. */
  516. static ret_code_t nrf_ble_scan_appearance_filter_add(nrf_ble_scan_t * const p_scan_ctx,
  517. uint16_t appearance)
  518. {
  519. uint16_t * p_appearance_filter = p_scan_ctx->scan_filters.appearance_filter.appearance;
  520. uint8_t * p_counter = &p_scan_ctx->scan_filters.appearance_filter.appearance_cnt;
  521. uint8_t index;
  522. // If no memory.
  523. if (*p_counter >= NRF_BLE_SCAN_APPEARANCE_CNT)
  524. {
  525. return NRF_ERROR_NO_MEM;
  526. }
  527. // Check for duplicated filter.
  528. for ( index = 0; index < NRF_BLE_SCAN_APPEARANCE_CNT; index++)
  529. {
  530. if (p_appearance_filter[index] == appearance)
  531. {
  532. return NRF_SUCCESS;
  533. }
  534. }
  535. // Add appearance to the filter.
  536. p_appearance_filter[(*p_counter)++] = appearance;
  537. NRF_LOG_DEBUG("Added filter on appearance %x", appearance);
  538. return NRF_SUCCESS;
  539. }
  540. #endif // NRF_BLE_SCAN_APPEARANCE_CNT
  541. ret_code_t nrf_ble_scan_filter_set(nrf_ble_scan_t * const p_scan_ctx,
  542. nrf_ble_scan_filter_type_t type,
  543. void const * p_data)
  544. {
  545. VERIFY_PARAM_NOT_NULL(p_scan_ctx);
  546. VERIFY_PARAM_NOT_NULL(p_data);
  547. switch (type)
  548. {
  549. #if (NRF_BLE_SCAN_NAME_CNT > 0)
  550. case SCAN_NAME_FILTER:
  551. {
  552. char * p_name = (char *)p_data;
  553. return nrf_ble_scan_name_filter_add(p_scan_ctx, p_name);
  554. }
  555. #endif
  556. #if (NRF_BLE_SCAN_SHORT_NAME_CNT > 0)
  557. case SCAN_SHORT_NAME_FILTER:
  558. {
  559. nrf_ble_scan_short_name_t * p_short_name = (nrf_ble_scan_short_name_t *)p_data;
  560. return nrf_ble_scan_short_name_filter_add(p_scan_ctx, p_short_name);
  561. }
  562. #endif
  563. #if (NRF_BLE_SCAN_ADDRESS_CNT > 0)
  564. case SCAN_ADDR_FILTER:
  565. {
  566. uint8_t * p_addr = (uint8_t *)p_data;
  567. return nrf_ble_scan_addr_filter_add(p_scan_ctx, p_addr);
  568. }
  569. #endif
  570. #if (NRF_BLE_SCAN_UUID_CNT > 0)
  571. case SCAN_UUID_FILTER:
  572. {
  573. ble_uuid_t * p_uuid = (ble_uuid_t *)p_data;
  574. return nrf_ble_scan_uuid_filter_add(p_scan_ctx, p_uuid);
  575. }
  576. #endif
  577. #if (NRF_BLE_SCAN_APPEARANCE_CNT > 0)
  578. case SCAN_APPEARANCE_FILTER:
  579. {
  580. uint16_t appearance = *((uint16_t *)p_data);
  581. return nrf_ble_scan_appearance_filter_add(p_scan_ctx, appearance);
  582. }
  583. #endif
  584. default:
  585. return NRF_ERROR_INVALID_PARAM;
  586. }
  587. }
  588. ret_code_t nrf_ble_scan_all_filter_remove(nrf_ble_scan_t * const p_scan_ctx)
  589. {
  590. #if (NRF_BLE_SCAN_NAME_CNT > 0)
  591. nrf_ble_scan_name_filter_t * p_name_filter = &p_scan_ctx->scan_filters.name_filter;
  592. memset(p_name_filter->target_name, 0, sizeof(p_name_filter->target_name));
  593. p_name_filter->name_cnt = 0;
  594. #endif
  595. #if (NRF_BLE_SCAN_SHORT_NAME_CNT > 0)
  596. nrf_ble_scan_short_name_filter_t * p_short_name_filter =
  597. &p_scan_ctx->scan_filters.short_name_filter;
  598. memset(p_short_name_filter->short_name, 0, sizeof(p_short_name_filter->short_name));
  599. p_short_name_filter->name_cnt = 0;
  600. #endif
  601. #if (NRF_BLE_SCAN_ADDRESS_CNT > 0)
  602. nrf_ble_scan_addr_filter_t * p_addr_filter = &p_scan_ctx->scan_filters.addr_filter;
  603. memset(p_addr_filter->target_addr, 0, sizeof(p_addr_filter->target_addr));
  604. p_addr_filter->addr_cnt = 0;
  605. #endif
  606. #if (NRF_BLE_SCAN_UUID_CNT > 0)
  607. nrf_ble_scan_uuid_filter_t * p_uuid_filter = &p_scan_ctx->scan_filters.uuid_filter;
  608. memset(p_uuid_filter->uuid, 0, sizeof(p_uuid_filter->uuid));
  609. p_uuid_filter->uuid_cnt = 0;
  610. #endif
  611. #if (NRF_BLE_SCAN_APPEARANCE_CNT > 0)
  612. nrf_ble_scan_appearance_filter_t * p_appearance_filter =
  613. &p_scan_ctx->scan_filters.appearance_filter;
  614. memset(p_appearance_filter->appearance, 0, sizeof(p_appearance_filter->appearance));
  615. p_appearance_filter->appearance_cnt = 0;
  616. #endif
  617. return NRF_SUCCESS;
  618. }
  619. ret_code_t nrf_ble_scan_filters_enable(nrf_ble_scan_t * const p_scan_ctx,
  620. uint8_t mode,
  621. bool match_all)
  622. {
  623. VERIFY_PARAM_NOT_NULL(p_scan_ctx);
  624. // Check if the mode is correct.
  625. if ((!(mode & NRF_BLE_SCAN_ADDR_FILTER)) &&
  626. (!(mode & NRF_BLE_SCAN_NAME_FILTER)) &&
  627. (!(mode & NRF_BLE_SCAN_UUID_FILTER)) &&
  628. (!(mode & NRF_BLE_SCAN_SHORT_NAME_FILTER)) &&
  629. (!(mode & NRF_BLE_SCAN_APPEARANCE_FILTER)))
  630. {
  631. return NRF_ERROR_INVALID_PARAM;
  632. }
  633. ret_code_t err_code;
  634. // Disable filters.
  635. err_code = nrf_ble_scan_filters_disable(p_scan_ctx);
  636. ASSERT(err_code == NRF_SUCCESS);
  637. nrf_ble_scan_filters_t * p_filters = &p_scan_ctx->scan_filters;
  638. // Turn on the filters of your choice.
  639. #if (NRF_BLE_SCAN_ADDRESS_CNT > 0)
  640. if (mode & NRF_BLE_SCAN_ADDR_FILTER)
  641. {
  642. p_filters->addr_filter.addr_filter_enabled = true;
  643. }
  644. #endif
  645. #if (NRF_BLE_SCAN_NAME_CNT > 0)
  646. if (mode & NRF_BLE_SCAN_NAME_FILTER)
  647. {
  648. p_filters->name_filter.name_filter_enabled = true;
  649. }
  650. #endif
  651. #if (NRF_BLE_SCAN_SHORT_NAME_CNT > 0)
  652. if (mode & NRF_BLE_SCAN_SHORT_NAME_FILTER)
  653. {
  654. p_filters->short_name_filter.short_name_filter_enabled = true;
  655. }
  656. #endif
  657. #if (NRF_BLE_SCAN_UUID_CNT > 0)
  658. if (mode & NRF_BLE_SCAN_UUID_FILTER)
  659. {
  660. p_filters->uuid_filter.uuid_filter_enabled = true;
  661. }
  662. #endif
  663. #if (NRF_BLE_SCAN_APPEARANCE_CNT > 0)
  664. if (mode & NRF_BLE_SCAN_APPEARANCE_FILTER)
  665. {
  666. p_filters->appearance_filter.appearance_filter_enabled = true;
  667. }
  668. #endif
  669. // Select the filter mode.
  670. p_filters->all_filters_mode = match_all;
  671. return NRF_SUCCESS;
  672. }
  673. ret_code_t nrf_ble_scan_filters_disable(nrf_ble_scan_t * const p_scan_ctx)
  674. {
  675. VERIFY_PARAM_NOT_NULL(p_scan_ctx);
  676. // Disable all filters.
  677. #if (NRF_BLE_SCAN_NAME_CNT > 0)
  678. bool * p_name_filter_enabled = &p_scan_ctx->scan_filters.name_filter.name_filter_enabled;
  679. *p_name_filter_enabled = false;
  680. #endif
  681. #if (NRF_BLE_SCAN_ADDRESS_CNT > 0)
  682. bool * p_addr_filter_enabled = &p_scan_ctx->scan_filters.addr_filter.addr_filter_enabled;
  683. *p_addr_filter_enabled = false;
  684. #endif
  685. #if (NRF_BLE_SCAN_UUID_CNT > 0)
  686. bool * p_uuid_filter_enabled = &p_scan_ctx->scan_filters.uuid_filter.uuid_filter_enabled;
  687. *p_uuid_filter_enabled = false;
  688. #endif
  689. #if (NRF_BLE_SCAN_APPEARANCE_CNT > 0)
  690. bool * p_appearance_filter_enabled =
  691. &p_scan_ctx->scan_filters.appearance_filter.appearance_filter_enabled;
  692. *p_appearance_filter_enabled = false;
  693. #endif
  694. return NRF_SUCCESS;
  695. }
  696. ret_code_t nrf_ble_scan_filter_get(nrf_ble_scan_t * const p_scan_ctx,
  697. nrf_ble_scan_filters_t * p_status)
  698. {
  699. VERIFY_PARAM_NOT_NULL(p_scan_ctx);
  700. VERIFY_PARAM_NOT_NULL(p_status);
  701. *p_status = p_scan_ctx->scan_filters;
  702. return NRF_SUCCESS;
  703. }
  704. #endif // NRF_BLE_SCAN_FILTER_ENABLE
  705. int ISCPacket;
  706. int HS_AdParser(char* data)
  707. {
  708. int len;
  709. int j;
  710. if( *(data+1) == 0xff )
  711. return 0;
  712. len = *data;
  713. //NRF_LOG_RAW_INFO("Len:%d ", len );
  714. data++;
  715. //NRF_LOG_RAW_INFO("Flag:0x%02x \n", *data );
  716. SystemManager.PtrLocalNameLen = len;
  717. ISCPacket = 0;
  718. #if 1
  719. if( *data == 9)
  720. {
  721. SystemManager.PtrLocalName = data+1;
  722. if( strncmp("ICSCAR", data+1, 6) == 0 )
  723. {
  724. NRF_LOG_RAW_INFO("ICSCAR\n");
  725. SystemManager.TmpPtr = data+7;
  726. if( memcmp( SystemManager.TmpPtr, new_ble_addr.addr, 6) == 0 )
  727. {
  728. SystemManager.DevType = DEV_BAND_PARK;
  729. ISCPacket = 5;
  730. }
  731. SystemManager.BandMode = AES_ENC_CAR;
  732. }
  733. else if( strncmp("ICSEMG", data+1, 6) == 0 )
  734. {
  735. NRF_LOG_RAW_INFO("ICSEMG\n");
  736. SystemManager.TmpPtr = data+7;
  737. SystemManager.BandMode = AES_ENC_EMG;
  738. if( memcmp( SystemManager.TmpPtr, new_ble_addr.addr, 6) == 0 )
  739. {
  740. SystemManager.DevType = DEV_EMG_BAND;
  741. NRF_LOG_RAW_INFO("==> DEV_EMG_BAND\n");
  742. ISCPacket = 5;
  743. }
  744. }
  745. else if( strncmp("ICSB", data+1, 4) == 0 )
  746. {
  747. if( SystemManager.LedBlinkTimer < 0 )
  748. {
  749. ISCPacket = 1;
  750. //SystemTimer.TMR_CON_START = 0;
  751. SystemManager.DevType = DEV_BAND_ADV;
  752. }
  753. }else if( strncmp("ICSWES", data+1, 6) == 0 )
  754. {
  755. if( SystemManager.LedBlinkTimer < 0 )
  756. {
  757. ISCPacket = 1;
  758. //SystemTimer.TMR_CON_START = 0;
  759. SystemManager.DevType = DEV_WES_ADV;
  760. }
  761. }
  762. /*
  763. else if( strncmp("ICSDEVREG", data+1, 9) == 0 )
  764. {
  765. //return 0;
  766. ISCPacket = 2;
  767. }else if( strncmp("ICSDEVDEL", data+1, 9) == 0 )
  768. {
  769. //return 0;
  770. ISCPacket = 3;
  771. }else if( strncmp("ICSDEVDSP", data+1, 9) == 0 )
  772. {
  773. //return 0;
  774. ISCPacket = 4;
  775. }
  776. */
  777. #if 0
  778. if( ISCPacket > 0 )
  779. {
  780. for(j=1; j<len; j++)
  781. {
  782. data++;
  783. if( (*(data)>= 0x41&& *(data)<=0x5a) || (*(data)>= 0x61&& *(data)<=0x7a) )
  784. {
  785. NRF_LOG_RAW_INFO("%c ", *(data) );
  786. }else{
  787. NRF_LOG_RAW_INFO("0x%02x ", *(data) );
  788. }
  789. }
  790. NRF_LOG_RAW_INFO("\n") ;
  791. }
  792. #endif
  793. }
  794. #endif
  795. return 0;
  796. }
  797. void HS_ParseAdvPacket(char* data, int dataLen, int flag)
  798. {
  799. int len, validLen;
  800. char* pData;
  801. int i;
  802. int j;
  803. int v=0;
  804. int result;
  805. pData = data;
  806. validLen = dataLen;
  807. #if 1
  808. if( flag )
  809. {
  810. // NRF_LOG_RAW_INFO("MEM : %08x ==> ", pData) ;
  811. while(1)
  812. {
  813. result = HS_AdParser(pData);
  814. // if( result == 0 )
  815. // break;
  816. len = *pData;
  817. validLen -= len+1;
  818. //printf("len:%d validLen:%d\n", len, validLen);
  819. if( validLen <= 0 )
  820. break;
  821. pData += len+1;
  822. }
  823. }
  824. #endif
  825. }
  826. /**@brief Function for calling the BLE_GAP_EVT_ADV_REPORT event to check whether the received
  827. * scanning data matches the scan configuration.
  828. *
  829. * @param[in] p_scan_ctx Pointer to the Scanning Module instance.
  830. * @param[in] p_adv_report Advertising report.
  831. */
  832. char ScanHSBuff[15];
  833. uint8_t *pAdvRep;
  834. static void nrf_ble_scan_on_adv_report(nrf_ble_scan_t const * const p_scan_ctx,
  835. ble_gap_evt_adv_report_t const * const p_adv_report)
  836. {
  837. scan_evt_t scan_evt;
  838. int i;
  839. uint8_t *pdata;
  840. uint8_t addr[6];
  841. #if (NRF_BLE_SCAN_FILTER_ENABLE == 1)
  842. uint8_t filter_cnt = 0;
  843. uint8_t filter_match_cnt = 0;
  844. #endif
  845. memset(&scan_evt, 0, sizeof(scan_evt));
  846. scan_evt.p_scan_params = &p_scan_ctx->scan_params;
  847. pdata = p_adv_report->data.p_data;
  848. pAdvRep = p_adv_report->data.p_data;;
  849. #if 0
  850. for(i=0; i<p_adv_report->data.len; i++)
  851. NRF_LOG_RAW_INFO("%02X, ", p_adv_report->data.p_data[i]);
  852. NRF_LOG_RAW_INFO("\n");
  853. #endif
  854. AppParkingCheck(p_adv_report->data.p_data);
  855. #if 0
  856. SystemManager.PeerAddr[0] = p_adv_report->peer_addr.addr[0];
  857. SystemManager.PeerAddr[1] = p_adv_report->peer_addr.addr[1];
  858. SystemManager.PeerAddr[2] = p_adv_report->peer_addr.addr[2];
  859. SystemManager.PeerAddr[3] = p_adv_report->peer_addr.addr[3];
  860. SystemManager.PeerAddr[4] = p_adv_report->peer_addr.addr[4];
  861. SystemManager.PeerAddr[5] = p_adv_report->peer_addr.addr[5];
  862. #endif
  863. for( i=0; i<6; i++)
  864. {
  865. //NRF_LOG_RAW_INFO("%02x ", p_adv_report->peer_addr.addr[i]);
  866. }
  867. //NRF_LOG_RAW_INFO("\n");
  868. HS_ParseAdvPacket(p_adv_report->data.p_data, p_adv_report->data.len, 1);
  869. if( SystemManager.DevType == DEV_NONE )
  870. goto SCAN_GOING;
  871. sprintf(ScanHSBuff, "%02x%02x%02x%02x%02x%02x", p_adv_report->peer_addr.addr[0],
  872. p_adv_report->peer_addr.addr[1],
  873. p_adv_report->peer_addr.addr[2],
  874. p_adv_report->peer_addr.addr[3],
  875. p_adv_report->peer_addr.addr[4],
  876. p_adv_report->peer_addr.addr[5]);
  877. ScanHSBuff[12] = 0;
  878. #if 1
  879. SystemManager.PeerAddr[0] = p_adv_report->peer_addr.addr[0];
  880. SystemManager.PeerAddr[1] = p_adv_report->peer_addr.addr[1];
  881. SystemManager.PeerAddr[2] = p_adv_report->peer_addr.addr[2];
  882. SystemManager.PeerAddr[3] = p_adv_report->peer_addr.addr[3];
  883. SystemManager.PeerAddr[4] = p_adv_report->peer_addr.addr[4];
  884. SystemManager.PeerAddr[5] = p_adv_report->peer_addr.addr[5];
  885. #endif
  886. SystemManager.PtrPeerAddrStr = ScanHSBuff;
  887. if( SystemManager.RegRequst == 1 )
  888. {
  889. //SystemManager.LedBlinkRun = 0;
  890. //SystemManager.RegRequst = 0;
  891. //goto SCAN_GOING;
  892. }
  893. if( SystemManager.DevType == DEV_BAND_PARK )
  894. {
  895. NRF_LOG_RAW_INFO("================= Send Park\n");
  896. if( SystemManager.LedBlinkTimer && SystemTimer.PARK_KEEP_TIMER>6000)
  897. {
  898. SystemManager.LedBlinkRun = 1;
  899. SystemManager.LedBlinkTimer = 3000;
  900. SystemTimer.LED_TOGGLE_TIMER = 0;
  901. SystemTimer.PARK_KEEP_TIMER = 0;
  902. SystemManager.DevType = 0;
  903. ISCPacket = 0;
  904. NRF_LOG_RAW_INFO("name len is %d ", SystemManager.PtrLocalNameLen);
  905. for( i=0; i<SystemManager.PtrLocalNameLen; i++)
  906. {
  907. NRF_LOG_RAW_INFO("%02x ", *(SystemManager.PtrLocalName+i) );
  908. }
  909. NRF_LOG_RAW_INFO("\n");
  910. }
  911. // goto SCAN_GOING;
  912. goto BAND_CONNECT;
  913. }
  914. else if( SystemManager.DevType == DEV_EMG_BUTTON )
  915. {
  916. if( SystemManager.RegRequst == 1 )
  917. {
  918. //SystemManager.LedBlinkRun = 0;
  919. //SystemManager.RegRequst = 0;
  920. //goto SCAN_GOING;
  921. }
  922. NRF_LOG_RAW_INFO("================= DEV_EMG_BUTTON\n");
  923. ISCPacket = 1;
  924. //if( SystemManager.LedBlinkTimer < 0 )
  925. {
  926. SystemManager.LedBlinkRun = 1;
  927. SystemManager.LedBlinkTimer = 5000;
  928. SystemTimer.LED_TOGGLE_TIMER = 0;
  929. SystemManager.DevType = 0;
  930. //ISCPacket = 0;
  931. }
  932. //return;
  933. }
  934. else if( SystemManager.DevType == DEV_EMG_BAND )
  935. {
  936. NRF_LOG_RAW_INFO("================= DEV_EMG_BAND\n");
  937. ISCPacket = 2;
  938. //if( SystemManager.LedBlinkTimer < 0 )
  939. {
  940. //SystemManager.LedBlinkRun = 1;
  941. //SystemManager.LedBlinkTimer = 5000;
  942. //SystemTimer.LED_TOGGLE_TIMER = 0;
  943. //SystemManager.DevType = 0;
  944. }
  945. //return;
  946. }
  947. if( ISCPacket == 1)
  948. {
  949. int i;
  950. if( FindRegMac(ScanHSBuff) == 0 )
  951. {
  952. scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_NOT_FOUND;
  953. scan_evt.params.p_not_found = p_adv_report;
  954. // If the event handler is not NULL, notify the main application.
  955. if (p_scan_ctx->evt_handler != NULL)
  956. {
  957. //p_scan_ctx->evt_handler(&scan_evt);
  958. }
  959. // Resume the scanning.
  960. UNUSED_RETURN_VALUE(sd_ble_gap_scan_start(NULL, &p_scan_ctx->scan_buffer));
  961. ISCPacket = 0;
  962. if( SystemManager.RegRequst==0 )
  963. return;
  964. }
  965. //NRF_LOG_RAW_INFO("================= Emergency\n");
  966. for( i=0; i<6; i++)
  967. {
  968. NRF_LOG_RAW_INFO("%02x ", p_adv_report->peer_addr.addr[i]);
  969. }
  970. NRF_LOG_RAW_INFO("\n");
  971. ISCPacket = 0;
  972. }
  973. else if( ISCPacket == 2)
  974. {
  975. int i;
  976. //NRF_LOG_RAW_INFO("================= Emergency\n");
  977. for( i=0; i<6; i++)
  978. {
  979. NRF_LOG_RAW_INFO("%02x ", p_adv_report->peer_addr.addr[i]);
  980. }
  981. NRF_LOG_RAW_INFO("\n");
  982. ISCPacket = 0;
  983. }
  984. else{
  985. SCAN_GOING:
  986. scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_NOT_FOUND;
  987. scan_evt.params.p_not_found = p_adv_report;
  988. // If the event handler is not NULL, notify the main application.
  989. if (p_scan_ctx->evt_handler != NULL)
  990. {
  991. //p_scan_ctx->evt_handler(&scan_evt);
  992. }
  993. // Resume the scanning.
  994. UNUSED_RETURN_VALUE(sd_ble_gap_scan_start(NULL, &p_scan_ctx->scan_buffer));
  995. ISCPacket = 0;
  996. return;
  997. }
  998. BAND_CONNECT:
  999. // If the whitelist is used, do not check the filters and return.
  1000. if (is_whitelist_used(p_scan_ctx))
  1001. {
  1002. scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_WHITELIST_ADV_REPORT;
  1003. scan_evt.params.p_not_found = p_adv_report;
  1004. p_scan_ctx->evt_handler(&scan_evt);
  1005. UNUSED_RETURN_VALUE(sd_ble_gap_scan_start(NULL, &p_scan_ctx->scan_buffer));
  1006. nrf_ble_scan_connect_with_target(p_scan_ctx, p_adv_report);
  1007. return;
  1008. }
  1009. #if (NRF_BLE_SCAN_FILTER_ENABLE == 1)
  1010. bool const all_filter_mode = p_scan_ctx->scan_filters.all_filters_mode;
  1011. bool is_filter_matched = false;
  1012. #if (NRF_BLE_SCAN_ADDRESS_CNT > 0)
  1013. bool const addr_filter_enabled = p_scan_ctx->scan_filters.addr_filter.addr_filter_enabled;
  1014. #endif
  1015. #if (NRF_BLE_SCAN_NAME_CNT > 0)
  1016. bool const name_filter_enabled = p_scan_ctx->scan_filters.name_filter.name_filter_enabled;
  1017. #endif
  1018. #if (NRF_BLE_SCAN_SHORT_NAME_CNT > 0)
  1019. bool const short_name_filter_enabled =
  1020. p_scan_ctx->scan_filters.short_name_filter.short_name_filter_enabled;
  1021. #endif
  1022. #if (NRF_BLE_SCAN_UUID_CNT > 0)
  1023. bool const uuid_filter_enabled = p_scan_ctx->scan_filters.uuid_filter.uuid_filter_enabled;
  1024. #endif
  1025. #if (NRF_BLE_SCAN_APPEARANCE_CNT > 0)
  1026. bool const appearance_filter_enabled =
  1027. p_scan_ctx->scan_filters.appearance_filter.appearance_filter_enabled;
  1028. #endif
  1029. #if (NRF_BLE_SCAN_ADDRESS_CNT > 0)
  1030. // Check the address filter.
  1031. if (addr_filter_enabled)
  1032. {
  1033. // Number of active filters.
  1034. filter_cnt++;
  1035. if (adv_addr_compare(p_adv_report, p_scan_ctx))
  1036. {
  1037. // Number of filters matched.
  1038. filter_match_cnt++;
  1039. // Information about the filters matched.
  1040. scan_evt.params.filter_match.filter_match.address_filter_match = true;
  1041. is_filter_matched = true;
  1042. }
  1043. }
  1044. #endif
  1045. #if (NRF_BLE_SCAN_NAME_CNT > 0)
  1046. // Check the name filter.
  1047. if (name_filter_enabled)
  1048. {
  1049. filter_cnt++;
  1050. if (adv_name_compare(p_adv_report, p_scan_ctx))
  1051. {
  1052. filter_match_cnt++;
  1053. // Information about the filters matched.
  1054. scan_evt.params.filter_match.filter_match.name_filter_match = true;
  1055. is_filter_matched = true;
  1056. }
  1057. }
  1058. #endif
  1059. #if (NRF_BLE_SCAN_SHORT_NAME_CNT > 0)
  1060. if (short_name_filter_enabled)
  1061. {
  1062. filter_cnt++;
  1063. if (adv_short_name_compare(p_adv_report, p_scan_ctx))
  1064. {
  1065. filter_match_cnt++;
  1066. // Information about the filters matched.
  1067. scan_evt.params.filter_match.filter_match.short_name_filter_match = true;
  1068. is_filter_matched = true;
  1069. }
  1070. }
  1071. #endif
  1072. #if (NRF_BLE_SCAN_UUID_CNT > 0)
  1073. // Check the UUID filter.
  1074. if (uuid_filter_enabled)
  1075. {
  1076. filter_cnt++;
  1077. //if (adv_uuid_compare(p_adv_report, p_scan_ctx))
  1078. {
  1079. filter_match_cnt++;
  1080. // Information about the filters matched.
  1081. scan_evt.params.filter_match.filter_match.uuid_filter_match = true;
  1082. is_filter_matched = true;
  1083. }
  1084. }
  1085. #endif
  1086. #if (NRF_BLE_SCAN_APPEARANCE_CNT > 0)
  1087. // Check the appearance filter.
  1088. if (appearance_filter_enabled)
  1089. {
  1090. filter_cnt++;
  1091. if (adv_appearance_compare(p_adv_report, p_scan_ctx))
  1092. {
  1093. filter_match_cnt++;
  1094. // Information about the filters matched.
  1095. scan_evt.params.filter_match.filter_match.appearance_filter_match = true;
  1096. is_filter_matched = true;
  1097. }
  1098. }
  1099. scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_NOT_FOUND;
  1100. #endif
  1101. scan_evt.params.filter_match.p_adv_report = p_adv_report;
  1102. // In the multifilter mode, the number of the active filters must equal the number of the filters matched to generate the notification.
  1103. if (all_filter_mode && (filter_match_cnt == filter_cnt))
  1104. {
  1105. scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_FILTER_MATCH;
  1106. nrf_ble_scan_connect_with_target(p_scan_ctx, p_adv_report);
  1107. }
  1108. // In the normal filter mode, only one filter match is needed to generate the notification to the main application.
  1109. else if ((!all_filter_mode) && is_filter_matched)
  1110. {
  1111. scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_FILTER_MATCH;
  1112. nrf_ble_scan_connect_with_target(p_scan_ctx, p_adv_report);
  1113. }
  1114. else
  1115. {
  1116. scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_NOT_FOUND;
  1117. scan_evt.params.p_not_found = p_adv_report;
  1118. }
  1119. // If the event handler is not NULL, notify the main application.
  1120. if (p_scan_ctx->evt_handler != NULL)
  1121. {
  1122. p_scan_ctx->evt_handler(&scan_evt);
  1123. }
  1124. #endif // NRF_BLE_SCAN_FILTER_ENABLE
  1125. // Resume the scanning.
  1126. UNUSED_RETURN_VALUE(sd_ble_gap_scan_start(NULL, &p_scan_ctx->scan_buffer));
  1127. }
  1128. /**@brief Function for checking whether the whitelist is used.
  1129. *
  1130. * @param[in] p_scan_ctx Scanning Module instance.
  1131. */
  1132. bool is_whitelist_used(nrf_ble_scan_t const * const p_scan_ctx)
  1133. {
  1134. if (p_scan_ctx->scan_params.filter_policy == BLE_GAP_SCAN_FP_WHITELIST ||
  1135. p_scan_ctx->scan_params.filter_policy == BLE_GAP_SCAN_FP_WHITELIST_NOT_RESOLVED_DIRECTED)
  1136. {
  1137. return true;
  1138. }
  1139. return false;
  1140. }
  1141. /**@brief Function for restoring the default scanning parameters.
  1142. *
  1143. * @param[out] p_scan_ctx Pointer to the Scanning Module instance.
  1144. */
  1145. static void nrf_ble_scan_default_param_set(nrf_ble_scan_t * const p_scan_ctx)
  1146. {
  1147. // Set the default parameters.
  1148. p_scan_ctx->scan_params.active = 1;
  1149. #if (NRF_SD_BLE_API_VERSION > 7)
  1150. p_scan_ctx->scan_params.interval_us = NRF_BLE_SCAN_SCAN_INTERVAL * UNIT_0_625_MS;
  1151. p_scan_ctx->scan_params.window_us = NRF_BLE_SCAN_SCAN_WINDOW * UNIT_0_625_MS;
  1152. #else
  1153. p_scan_ctx->scan_params.interval = NRF_BLE_SCAN_SCAN_INTERVAL;
  1154. p_scan_ctx->scan_params.window = NRF_BLE_SCAN_SCAN_WINDOW;
  1155. #endif // #if (NRF_SD_BLE_API_VERSION > 7)
  1156. p_scan_ctx->scan_params.timeout = NRF_BLE_SCAN_SCAN_DURATION;
  1157. p_scan_ctx->scan_params.filter_policy = BLE_GAP_SCAN_FP_ACCEPT_ALL;
  1158. p_scan_ctx->scan_params.scan_phys = BLE_GAP_PHY_1MBPS;
  1159. }
  1160. /**@brief Function for setting the default connection parameters.
  1161. *
  1162. * @param[out] p_scan_ctx Pointer to the Scanning Module instance.
  1163. */
  1164. static void nrf_ble_scan_default_conn_param_set(nrf_ble_scan_t * const p_scan_ctx)
  1165. {
  1166. p_scan_ctx->conn_params.conn_sup_timeout =
  1167. (uint16_t)MSEC_TO_UNITS(NRF_BLE_SCAN_SUPERVISION_TIMEOUT, UNIT_10_MS);
  1168. p_scan_ctx->conn_params.min_conn_interval =
  1169. (uint16_t)MSEC_TO_UNITS(NRF_BLE_SCAN_MIN_CONNECTION_INTERVAL, UNIT_1_25_MS);
  1170. p_scan_ctx->conn_params.max_conn_interval =
  1171. (uint16_t)MSEC_TO_UNITS(NRF_BLE_SCAN_MAX_CONNECTION_INTERVAL, UNIT_1_25_MS);
  1172. p_scan_ctx->conn_params.slave_latency =
  1173. (uint16_t)NRF_BLE_SCAN_SLAVE_LATENCY;
  1174. }
  1175. /**@brief Function for calling the BLE_GAP_EVT_TIMEOUT event.
  1176. *
  1177. * @param[in] p_scan_ctx Pointer to the Scanning Module instance.
  1178. * @param[in] p_gap GAP event structure.
  1179. */
  1180. static void nrf_ble_scan_on_timeout(nrf_ble_scan_t const * const p_scan_ctx,
  1181. ble_gap_evt_t const * const p_gap)
  1182. {
  1183. ble_gap_evt_timeout_t const * p_timeout = &p_gap->params.timeout;
  1184. scan_evt_t scan_evt;
  1185. memset(&scan_evt, 0, sizeof(scan_evt));
  1186. if (p_timeout->src == BLE_GAP_TIMEOUT_SRC_SCAN)
  1187. {
  1188. NRF_LOG_DEBUG("BLE_GAP_SCAN_TIMEOUT");
  1189. if (p_scan_ctx->evt_handler != NULL)
  1190. {
  1191. scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_SCAN_TIMEOUT;
  1192. scan_evt.p_scan_params = &p_scan_ctx->scan_params;
  1193. scan_evt.params.timeout.src = p_timeout->src;
  1194. p_scan_ctx->evt_handler(&scan_evt);
  1195. }
  1196. }
  1197. }
  1198. /**@brief Function for stopping the scanning.
  1199. */
  1200. void nrf_ble_scan_stop(void)
  1201. {
  1202. // It is ok to ignore the function return value here, because this function can return NRF_SUCCESS or
  1203. // NRF_ERROR_INVALID_STATE, when app is not in the scanning state.
  1204. UNUSED_RETURN_VALUE(sd_ble_gap_scan_stop());
  1205. }
  1206. ret_code_t nrf_ble_scan_init(nrf_ble_scan_t * const p_scan_ctx,
  1207. nrf_ble_scan_init_t const * const p_init,
  1208. nrf_ble_scan_evt_handler_t evt_handler)
  1209. {
  1210. VERIFY_PARAM_NOT_NULL(p_scan_ctx);
  1211. p_scan_ctx->evt_handler = evt_handler;
  1212. #if (NRF_BLE_SCAN_FILTER_ENABLE == 1)
  1213. // Disable all scanning filters.
  1214. memset(&p_scan_ctx->scan_filters, 0, sizeof(p_scan_ctx->scan_filters));
  1215. #endif
  1216. // If the pointer to the initialization structure exist, use it to scan the configuration.
  1217. if (p_init != NULL)
  1218. {
  1219. p_scan_ctx->connect_if_match = p_init->connect_if_match;
  1220. p_scan_ctx->conn_cfg_tag = p_init->conn_cfg_tag;
  1221. if (p_init->p_scan_param != NULL)
  1222. {
  1223. p_scan_ctx->scan_params = *p_init->p_scan_param;
  1224. }
  1225. else
  1226. {
  1227. // Use the default static configuration.
  1228. nrf_ble_scan_default_param_set(p_scan_ctx);
  1229. }
  1230. if (p_init->p_conn_param != NULL)
  1231. {
  1232. p_scan_ctx->conn_params = *p_init->p_conn_param;
  1233. }
  1234. else
  1235. {
  1236. // Use the default static configuration.
  1237. nrf_ble_scan_default_conn_param_set(p_scan_ctx);
  1238. }
  1239. }
  1240. // If pointer is NULL, use the static default configuration.
  1241. else
  1242. {
  1243. nrf_ble_scan_default_param_set(p_scan_ctx);
  1244. nrf_ble_scan_default_conn_param_set(p_scan_ctx);
  1245. p_scan_ctx->connect_if_match = false;
  1246. }
  1247. // Assign a buffer where the advertising reports are to be stored by the SoftDevice.
  1248. p_scan_ctx->scan_buffer.p_data = p_scan_ctx->scan_buffer_data;
  1249. p_scan_ctx->scan_buffer.len = NRF_BLE_SCAN_BUFFER;
  1250. return NRF_SUCCESS;
  1251. }
  1252. ret_code_t nrf_ble_scan_start(nrf_ble_scan_t const * const p_scan_ctx)
  1253. {
  1254. VERIFY_PARAM_NOT_NULL(p_scan_ctx);
  1255. ret_code_t err_code;
  1256. scan_evt_t scan_evt;
  1257. memset(&scan_evt, 0, sizeof(scan_evt));
  1258. nrf_ble_scan_stop();
  1259. // If the whitelist is used and the event handler is not NULL, send the whitelist request to the main application.
  1260. if (is_whitelist_used(p_scan_ctx))
  1261. {
  1262. if (p_scan_ctx->evt_handler != NULL)
  1263. {
  1264. scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_WHITELIST_REQUEST;
  1265. p_scan_ctx->evt_handler(&scan_evt);
  1266. }
  1267. }
  1268. // Start the scanning.
  1269. err_code = sd_ble_gap_scan_start(&p_scan_ctx->scan_params, &p_scan_ctx->scan_buffer);
  1270. // It is okay to ignore this error, because the scan stopped earlier.
  1271. if ((err_code != NRF_ERROR_INVALID_STATE) && (err_code != NRF_SUCCESS))
  1272. {
  1273. NRF_LOG_ERROR("sd_ble_gap_scan_start returned 0x%x", err_code);
  1274. return (err_code);
  1275. }
  1276. NRF_LOG_DEBUG("Scanning");
  1277. return NRF_SUCCESS;
  1278. }
  1279. ret_code_t nrf_ble_scan_params_set(nrf_ble_scan_t * const p_scan_ctx,
  1280. ble_gap_scan_params_t const * const p_scan_param)
  1281. {
  1282. VERIFY_PARAM_NOT_NULL(p_scan_ctx);
  1283. nrf_ble_scan_stop();
  1284. if (p_scan_param != NULL)
  1285. {
  1286. // Assign new scanning parameters.
  1287. p_scan_ctx->scan_params = *p_scan_param;
  1288. }
  1289. else
  1290. {
  1291. // If NULL, use the default static configuration.
  1292. nrf_ble_scan_default_param_set(p_scan_ctx);
  1293. }
  1294. NRF_LOG_DEBUG("Scanning parameters have been changed successfully");
  1295. return NRF_SUCCESS;
  1296. }
  1297. /**@brief Function for calling the BLE_GAP_EVT_CONNECTED event.
  1298. *
  1299. * @param[in] p_scan_ctx Pointer to the Scanning Module instance.
  1300. * @param[in] p_gap_evt GAP event structure.
  1301. */
  1302. static void nrf_ble_scan_on_connected_evt(nrf_ble_scan_t const * const p_scan_ctx,
  1303. ble_gap_evt_t const * const p_gap_evt)
  1304. {
  1305. scan_evt_t scan_evt;
  1306. memset(&scan_evt, 0, sizeof(scan_evt));
  1307. scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_CONNECTED;
  1308. scan_evt.params.connected.p_connected = &p_gap_evt->params.connected;
  1309. scan_evt.params.connected.conn_handle = p_gap_evt->conn_handle;
  1310. scan_evt.p_scan_params = &p_scan_ctx->scan_params;
  1311. if (p_scan_ctx->evt_handler != NULL)
  1312. {
  1313. p_scan_ctx->evt_handler(&scan_evt);
  1314. }
  1315. }
  1316. ret_code_t nrf_ble_scan_copy_addr_to_sd_gap_addr(ble_gap_addr_t * p_gap_addr,
  1317. const uint8_t addr[BLE_GAP_ADDR_LEN])
  1318. {
  1319. uint16_t addr_type;
  1320. addr_type = nrf_ble_scan_address_type_decode(addr);
  1321. if (addr_type == BLE_ERROR_GAP_INVALID_BLE_ADDR)
  1322. {
  1323. return BLE_ERROR_GAP_INVALID_BLE_ADDR;
  1324. }
  1325. p_gap_addr->addr_type = addr_type;
  1326. for (uint8_t i = 0; i < BLE_GAP_ADDR_LEN; ++i)
  1327. {
  1328. p_gap_addr->addr[i] = addr[BLE_GAP_ADDR_LEN - (i + 1)];
  1329. }
  1330. return NRF_SUCCESS;
  1331. }
  1332. void nrf_ble_scan_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_contex)
  1333. {
  1334. nrf_ble_scan_t * p_scan_data = (nrf_ble_scan_t *)p_contex;
  1335. ble_gap_evt_adv_report_t const * p_adv_report = &p_ble_evt->evt.gap_evt.params.adv_report;
  1336. ble_gap_evt_t const * p_gap_evt = &p_ble_evt->evt.gap_evt;
  1337. switch (p_ble_evt->header.evt_id)
  1338. {
  1339. #if 1
  1340. case BLE_GAP_EVT_DISCONNECTED:
  1341. NRF_LOG_RAW_INFO("BLE_GAP_EVT_DISCONNECTED \n" );
  1342. break;
  1343. case BLE_GAP_EVT_CONN_PARAM_UPDATE:
  1344. NRF_LOG_RAW_INFO("BLE_GAP_EVT_CONN_PARAM_UPDATE \n" );
  1345. break;
  1346. case BLE_GAP_EVT_SEC_PARAMS_REQUEST:
  1347. NRF_LOG_RAW_INFO("BLE_GAP_EVT_SEC_PARAMS_REQUEST \n" );
  1348. break;
  1349. case BLE_GAP_EVT_SEC_INFO_REQUEST:
  1350. NRF_LOG_RAW_INFO("BLE_GAP_EVT_SEC_INFO_REQUEST \n" );
  1351. break;
  1352. case BLE_GAP_EVT_PASSKEY_DISPLAY:
  1353. NRF_LOG_RAW_INFO("BLE_GAP_EVT_PASSKEY_DISPLAY \n" );
  1354. break;
  1355. case BLE_GAP_EVT_KEY_PRESSED:
  1356. NRF_LOG_RAW_INFO("BLE_GAP_EVT_KEY_PRESSED \n" );
  1357. break;
  1358. case BLE_GAP_EVT_AUTH_KEY_REQUEST:
  1359. NRF_LOG_RAW_INFO("BLE_GAP_EVT_AUTH_KEY_REQUEST \n" );
  1360. break;
  1361. case BLE_GAP_EVT_LESC_DHKEY_REQUEST:
  1362. NRF_LOG_RAW_INFO("BLE_GAP_EVT_LESC_DHKEY_REQUEST \n" );
  1363. break;
  1364. case BLE_GAP_EVT_AUTH_STATUS:
  1365. NRF_LOG_RAW_INFO("BLE_GAP_EVT_AUTH_STATUS \n" );
  1366. break;
  1367. case BLE_GAP_EVT_CONN_SEC_UPDATE:
  1368. NRF_LOG_RAW_INFO("BLE_GAP_EVT_CONN_SEC_UPDATE \n" );
  1369. break;
  1370. case BLE_GAP_EVT_RSSI_CHANGED:
  1371. NRF_LOG_RAW_INFO("BLE_GAP_EVT_RSSI_CHANGED \n" );
  1372. break;
  1373. case BLE_GAP_EVT_SEC_REQUEST:
  1374. NRF_LOG_RAW_INFO("BLE_GAP_EVT_SEC_REQUEST \n" );
  1375. break;
  1376. case BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST:
  1377. NRF_LOG_RAW_INFO("BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST \n" );
  1378. break;
  1379. case BLE_GAP_EVT_PHY_UPDATE_REQUEST:
  1380. NRF_LOG_RAW_INFO("BLE_GAP_EVT_PHY_UPDATE_REQUEST \n" );
  1381. break;
  1382. case BLE_GAP_EVT_PHY_UPDATE:
  1383. NRF_LOG_RAW_INFO("BLE_GAP_EVT_PHY_UPDATE \n" );
  1384. break;
  1385. case BLE_GAP_EVT_DATA_LENGTH_UPDATE_REQUEST:
  1386. NRF_LOG_RAW_INFO("BLE_GAP_EVT_DATA_LENGTH_UPDATE_REQUEST \n" );
  1387. break;
  1388. case BLE_GAP_EVT_DATA_LENGTH_UPDATE:
  1389. NRF_LOG_RAW_INFO("BLE_GAP_EVT_DATA_LENGTH_UPDATE \n" );
  1390. break;
  1391. case BLE_GAP_EVT_QOS_CHANNEL_SURVEY_REPORT:
  1392. NRF_LOG_RAW_INFO("BLE_GAP_EVT_QOS_CHANNEL_SURVEY_REPORT \n" );
  1393. break;
  1394. case BLE_GAP_EVT_ADV_SET_TERMINATED:
  1395. NRF_LOG_RAW_INFO("BLE_GAP_EVT_ADV_SET_TERMINATED \n" );
  1396. break;
  1397. #endif
  1398. case BLE_GAP_EVT_SCAN_REQ_REPORT:
  1399. NRF_LOG_RAW_INFO("BLE_GAP_EVT_SCAN_REQ_REPORT \n" );
  1400. break;
  1401. case BLE_GAP_EVT_ADV_REPORT:
  1402. //NRF_LOG_RAW_INFO("===BLE_GAP_EVT_ADV_REPORT \n" );
  1403. nrf_ble_scan_on_adv_report(p_scan_data, p_adv_report);
  1404. break;
  1405. case BLE_GAP_EVT_TIMEOUT:
  1406. nrf_ble_scan_on_timeout(p_scan_data, p_gap_evt);
  1407. break;
  1408. case BLE_GAP_EVT_CONNECTED:
  1409. NRF_LOG_RAW_INFO("BLE_GAP_EVT_CONNECTED \n" );
  1410. nrf_ble_scan_on_connected_evt(p_scan_data, p_gap_evt);
  1411. break;
  1412. default:
  1413. break;
  1414. }
  1415. }
  1416. #endif // NRF_BLE_SCAN_ENABLED