1 /****************************************************************************** 2 * 3 * Copyright (C) 1999-2014 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 /****************************************************************************** 20 * 21 * This file contains functions that handle inquiries. These include 22 * setting discoverable mode, controlling the mode of the Baseband, and 23 * maintaining a small database of inquiry responses, with API for people 24 * to browse it. 25 * 26 ******************************************************************************/ 27 28 #include <stdlib.h> 29 #include <string.h> 30 #include <stdio.h> 31 #include <stddef.h> 32 33 #include "bt_types.h" 34 #include "gki.h" 35 #include "hcimsgs.h" 36 #include "btu.h" 37 #include "btm_api.h" 38 #include "btm_int.h" 39 #include "hcidefs.h" 40 41 #define BTM_INQ_REPLY_TIMEOUT 3 /* 3 second timeout waiting for responses */ 42 43 /* TRUE to enable DEBUG traces for btm_inq */ 44 #ifndef BTM_INQ_DEBUG 45 #define BTM_INQ_DEBUG FALSE 46 #endif 47 /********************************************************************************/ 48 /* L O C A L D A T A D E F I N I T I O N S */ 49 /********************************************************************************/ 50 static const LAP general_inq_lap = {0x9e,0x8b,0x33}; 51 static const LAP limited_inq_lap = {0x9e,0x8b,0x00}; 52 53 #if (( BTM_EIR_CLIENT_INCLUDED == TRUE )||( BTM_EIR_SERVER_INCLUDED == TRUE )) 54 #ifndef BTM_EIR_UUID_LKUP_TBL 55 const UINT16 BTM_EIR_UUID_LKUP_TBL[BTM_EIR_MAX_SERVICES] = 56 { 57 UUID_SERVCLASS_SERVICE_DISCOVERY_SERVER, 58 /* UUID_SERVCLASS_BROWSE_GROUP_DESCRIPTOR, */ 59 /* UUID_SERVCLASS_PUBLIC_BROWSE_GROUP, */ 60 UUID_SERVCLASS_SERIAL_PORT, 61 UUID_SERVCLASS_LAN_ACCESS_USING_PPP, 62 UUID_SERVCLASS_DIALUP_NETWORKING, 63 UUID_SERVCLASS_IRMC_SYNC, 64 UUID_SERVCLASS_OBEX_OBJECT_PUSH, 65 UUID_SERVCLASS_OBEX_FILE_TRANSFER, 66 UUID_SERVCLASS_IRMC_SYNC_COMMAND, 67 UUID_SERVCLASS_HEADSET, 68 UUID_SERVCLASS_CORDLESS_TELEPHONY, 69 UUID_SERVCLASS_AUDIO_SOURCE, 70 UUID_SERVCLASS_AUDIO_SINK, 71 UUID_SERVCLASS_AV_REM_CTRL_TARGET, 72 /* UUID_SERVCLASS_ADV_AUDIO_DISTRIBUTION, */ 73 UUID_SERVCLASS_AV_REMOTE_CONTROL, 74 /* UUID_SERVCLASS_VIDEO_CONFERENCING, */ 75 UUID_SERVCLASS_INTERCOM, 76 UUID_SERVCLASS_FAX, 77 UUID_SERVCLASS_HEADSET_AUDIO_GATEWAY, 78 /* UUID_SERVCLASS_WAP, */ 79 /* UUID_SERVCLASS_WAP_CLIENT, */ 80 UUID_SERVCLASS_PANU, 81 UUID_SERVCLASS_NAP, 82 UUID_SERVCLASS_GN, 83 UUID_SERVCLASS_DIRECT_PRINTING, 84 /* UUID_SERVCLASS_REFERENCE_PRINTING, */ 85 UUID_SERVCLASS_IMAGING, 86 UUID_SERVCLASS_IMAGING_RESPONDER, 87 UUID_SERVCLASS_IMAGING_AUTO_ARCHIVE, 88 UUID_SERVCLASS_IMAGING_REF_OBJECTS, 89 UUID_SERVCLASS_HF_HANDSFREE, 90 UUID_SERVCLASS_AG_HANDSFREE, 91 UUID_SERVCLASS_DIR_PRT_REF_OBJ_SERVICE, 92 /* UUID_SERVCLASS_REFLECTED_UI, */ 93 UUID_SERVCLASS_BASIC_PRINTING, 94 UUID_SERVCLASS_PRINTING_STATUS, 95 UUID_SERVCLASS_HUMAN_INTERFACE, 96 UUID_SERVCLASS_CABLE_REPLACEMENT, 97 UUID_SERVCLASS_HCRP_PRINT, 98 UUID_SERVCLASS_HCRP_SCAN, 99 /* UUID_SERVCLASS_COMMON_ISDN_ACCESS, */ 100 /* UUID_SERVCLASS_VIDEO_CONFERENCING_GW, */ 101 /* UUID_SERVCLASS_UDI_MT, */ 102 /* UUID_SERVCLASS_UDI_TA, */ 103 /* UUID_SERVCLASS_VCP, */ 104 UUID_SERVCLASS_SAP, 105 UUID_SERVCLASS_PBAP_PCE, 106 UUID_SERVCLASS_PBAP_PSE, 107 UUID_SERVCLASS_PHONE_ACCESS, 108 UUID_SERVCLASS_HEADSET_HS, 109 UUID_SERVCLASS_PNP_INFORMATION, 110 /* UUID_SERVCLASS_GENERIC_NETWORKING, */ 111 /* UUID_SERVCLASS_GENERIC_FILETRANSFER, */ 112 /* UUID_SERVCLASS_GENERIC_AUDIO, */ 113 /* UUID_SERVCLASS_GENERIC_TELEPHONY, */ 114 /* UUID_SERVCLASS_UPNP_SERVICE, */ 115 /* UUID_SERVCLASS_UPNP_IP_SERVICE, */ 116 /* UUID_SERVCLASS_ESDP_UPNP_IP_PAN, */ 117 /* UUID_SERVCLASS_ESDP_UPNP_IP_LAP, */ 118 /* UUID_SERVCLASS_ESDP_UPNP_IP_L2CAP, */ 119 UUID_SERVCLASS_VIDEO_SOURCE, 120 UUID_SERVCLASS_VIDEO_SINK, 121 /* UUID_SERVCLASS_VIDEO_DISTRIBUTION */ 122 UUID_SERVCLASS_MESSAGE_ACCESS, 123 UUID_SERVCLASS_MESSAGE_NOTIFICATION, 124 UUID_SERVCLASS_HDP_SOURCE, 125 UUID_SERVCLASS_HDP_SINK 126 }; 127 #else 128 /* 129 If customized UUID look-up table needs to be used, 130 the followings should be defined in bdroid_buildcfg.h. 131 BTM_EIR_UUID_LKUP_TBL = <customized UUID list> 132 BTM_EIR_MAX_SERVICES = <number of UUID in list> 133 */ 134 #if (BTM_EIR_MAX_SERVICES == 0) 135 const UINT16 BTM_EIR_UUID_LKUP_TBL[]; 136 #else 137 extern UINT16 BTM_EIR_UUID_LKUP_TBL[BTM_EIR_MAX_SERVICES]; 138 #endif 139 #endif 140 #endif /* BTM_EIR_UUID_LKUP_TBL*/ 141 142 /********************************************************************************/ 143 /* L O C A L F U N C T I O N P R O T O T Y P E S */ 144 /********************************************************************************/ 145 static void btm_initiate_inquiry (tBTM_INQUIRY_VAR_ST *p_inq); 146 static tBTM_STATUS btm_set_inq_event_filter (UINT8 filter_cond_type, tBTM_INQ_FILT_COND *p_filt_cond); 147 static void btm_clr_inq_result_flt (void); 148 149 #if ((BTM_EIR_SERVER_INCLUDED == TRUE)||(BTM_EIR_CLIENT_INCLUDED == TRUE)) 150 static UINT8 btm_convert_uuid_to_eir_service( UINT16 uuid16 ); 151 #endif 152 #if (BTM_EIR_CLIENT_INCLUDED == TRUE) 153 static void btm_set_eir_uuid( UINT8 *p_eir, tBTM_INQ_RESULTS *p_results ); 154 static UINT8 *btm_eir_get_uuid_list( UINT8 *p_eir, UINT8 uuid_size, 155 UINT8 *p_num_uuid, UINT8 *p_uuid_list_type ); 156 static UINT16 btm_convert_uuid_to_uuid16( UINT8 *p_uuid, UINT8 uuid_size ); 157 #endif 158 159 /******************************************************************************* 160 ** 161 ** Function BTM_SetDiscoverability 162 ** 163 ** Description This function is called to set the device into or out of 164 ** discoverable mode. Discoverable mode means inquiry 165 ** scans are enabled. If a value of '0' is entered for window or 166 ** interval, the default values are used. 167 ** 168 ** Returns BTM_SUCCESS if successful 169 ** BTM_BUSY if a setting of the filter is already in progress 170 ** BTM_NO_RESOURCES if couldn't get a memory pool buffer 171 ** BTM_ILLEGAL_VALUE if a bad parameter was detected 172 ** BTM_WRONG_MODE if the device is not up. 173 ** 174 *******************************************************************************/ 175 tBTM_STATUS BTM_SetDiscoverability (UINT16 inq_mode, UINT16 window, UINT16 interval) 176 { 177 UINT8 scan_mode = 0; 178 UINT16 service_class; 179 UINT8 *p_cod; 180 UINT8 major, minor; 181 DEV_CLASS cod; 182 LAP temp_lap[2]; 183 BOOLEAN is_limited; 184 BOOLEAN cod_limited; 185 186 BTM_TRACE_API ("BTM_SetDiscoverability"); 187 #if (BLE_INCLUDED == TRUE && BLE_INCLUDED == TRUE) 188 if (HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1])) 189 { 190 if (btm_ble_set_discoverability((UINT16)(inq_mode)) 191 == BTM_SUCCESS) 192 { 193 btm_cb.btm_inq_vars.discoverable_mode &= (~BTM_BLE_DISCOVERABLE_MASK); 194 btm_cb.btm_inq_vars.discoverable_mode |= (inq_mode & BTM_BLE_DISCOVERABLE_MASK); 195 } 196 } 197 inq_mode &= ~BTM_BLE_DISCOVERABLE_MASK; 198 #endif 199 200 /*** Check mode parameter ***/ 201 if (inq_mode > BTM_MAX_DISCOVERABLE) 202 return (BTM_ILLEGAL_VALUE); 203 204 /* Make sure the controller is active */ 205 if (btm_cb.devcb.state < BTM_DEV_STATE_READY) 206 return (BTM_DEV_RESET); 207 208 /* If the window and/or interval is '0', set to default values */ 209 if (!window) 210 window = BTM_DEFAULT_DISC_WINDOW; 211 212 if (!interval) 213 interval = BTM_DEFAULT_DISC_INTERVAL; 214 215 BTM_TRACE_API ("BTM_SetDiscoverability: mode %d [NonDisc-0, Lim-1, Gen-2], window 0x%04x, interval 0x%04x", 216 inq_mode, window, interval); 217 218 /*** Check for valid window and interval parameters ***/ 219 /*** Only check window and duration if mode is connectable ***/ 220 if (inq_mode != BTM_NON_DISCOVERABLE) 221 { 222 /* window must be less than or equal to interval */ 223 if (window < HCI_MIN_INQUIRYSCAN_WINDOW || 224 window > HCI_MAX_INQUIRYSCAN_WINDOW || 225 interval < HCI_MIN_INQUIRYSCAN_INTERVAL || 226 interval > HCI_MAX_INQUIRYSCAN_INTERVAL || 227 window > interval) 228 { 229 return (BTM_ILLEGAL_VALUE); 230 } 231 } 232 233 /* Set the IAC if needed */ 234 if (inq_mode != BTM_NON_DISCOVERABLE) 235 { 236 if (inq_mode & BTM_LIMITED_DISCOVERABLE) 237 { 238 /* Use the GIAC and LIAC codes for limited discoverable mode */ 239 memcpy (temp_lap[0], limited_inq_lap, LAP_LEN); 240 memcpy (temp_lap[1], general_inq_lap, LAP_LEN); 241 242 if (!btsnd_hcic_write_cur_iac_lap (2, (LAP * const) temp_lap)) 243 return (BTM_NO_RESOURCES); /* Cannot continue */ 244 } 245 else 246 { 247 if (!btsnd_hcic_write_cur_iac_lap (1, (LAP * const) &general_inq_lap)) 248 return (BTM_NO_RESOURCES); /* Cannot continue */ 249 } 250 251 scan_mode |= HCI_INQUIRY_SCAN_ENABLED; 252 } 253 254 /* Send down the inquiry scan window and period if changed */ 255 if ((window != btm_cb.btm_inq_vars.inq_scan_window) || 256 (interval != btm_cb.btm_inq_vars.inq_scan_period)) 257 { 258 if (btsnd_hcic_write_inqscan_cfg (interval, window)) 259 { 260 btm_cb.btm_inq_vars.inq_scan_window = window; 261 btm_cb.btm_inq_vars.inq_scan_period = interval; 262 } 263 else 264 return (BTM_NO_RESOURCES); 265 } 266 267 if (btm_cb.btm_inq_vars.connectable_mode & BTM_CONNECTABLE_MASK) 268 scan_mode |= HCI_PAGE_SCAN_ENABLED; 269 270 if (btsnd_hcic_write_scan_enable (scan_mode)) 271 { 272 btm_cb.btm_inq_vars.discoverable_mode &= (~BTM_DISCOVERABLE_MASK); 273 btm_cb.btm_inq_vars.discoverable_mode |= inq_mode; 274 } 275 else 276 return (BTM_NO_RESOURCES); 277 278 /* Change the service class bit if mode has changed */ 279 p_cod = BTM_ReadDeviceClass(); 280 BTM_COD_SERVICE_CLASS(service_class, p_cod); 281 is_limited = (inq_mode & BTM_LIMITED_DISCOVERABLE) ? TRUE : FALSE; 282 cod_limited = (service_class & BTM_COD_SERVICE_LMTD_DISCOVER) ? TRUE : FALSE; 283 if (is_limited ^ cod_limited) 284 { 285 BTM_COD_MINOR_CLASS(minor, p_cod ); 286 BTM_COD_MAJOR_CLASS(major, p_cod ); 287 if (is_limited) 288 service_class |= BTM_COD_SERVICE_LMTD_DISCOVER; 289 else 290 service_class &= ~BTM_COD_SERVICE_LMTD_DISCOVER; 291 292 FIELDS_TO_COD(cod, minor, major, service_class); 293 (void) BTM_SetDeviceClass (cod); 294 } 295 296 return (BTM_SUCCESS); 297 } 298 299 /******************************************************************************* 300 ** 301 ** Function BTM_SetInquiryScanType 302 ** 303 ** Description This function is called to set the iquiry scan-type to 304 ** standard or interlaced. 305 ** 306 ** Returns BTM_SUCCESS if successful 307 ** BTM_MODE_UNSUPPORTED if not a 1.2 device 308 ** BTM_WRONG_MODE if the device is not up. 309 ** 310 *******************************************************************************/ 311 tBTM_STATUS BTM_SetInquiryScanType (UINT16 scan_type) 312 { 313 314 BTM_TRACE_API ("BTM_SetInquiryScanType"); 315 if (scan_type != BTM_SCAN_TYPE_STANDARD && scan_type != BTM_SCAN_TYPE_INTERLACED) 316 return (BTM_ILLEGAL_VALUE); 317 318 /* whatever app wants if device is not 1.2 scan type should be STANDARD */ 319 if (!HCI_LMP_INTERLACED_INQ_SCAN_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0])) 320 return (BTM_MODE_UNSUPPORTED); 321 322 /* Check for scan type if configuration has been changed */ 323 if (scan_type != btm_cb.btm_inq_vars.inq_scan_type) 324 { 325 if (BTM_IsDeviceUp()) 326 { 327 if (btsnd_hcic_write_inqscan_type ((UINT8)scan_type)) 328 btm_cb.btm_inq_vars.inq_scan_type = scan_type; 329 else 330 return (BTM_NO_RESOURCES); 331 } 332 else return (BTM_WRONG_MODE); 333 } 334 return (BTM_SUCCESS); 335 } 336 337 /******************************************************************************* 338 ** 339 ** Function BTM_SetPageScanType 340 ** 341 ** Description This function is called to set the page scan-type to 342 ** standard or interlaced. 343 ** 344 ** Returns BTM_SUCCESS if successful 345 ** BTM_MODE_UNSUPPORTED if not a 1.2 device 346 ** BTM_WRONG_MODE if the device is not up. 347 ** 348 *******************************************************************************/ 349 tBTM_STATUS BTM_SetPageScanType (UINT16 scan_type) 350 { 351 BTM_TRACE_API ("BTM_SetPageScanType"); 352 if (scan_type != BTM_SCAN_TYPE_STANDARD && scan_type != BTM_SCAN_TYPE_INTERLACED) 353 return (BTM_ILLEGAL_VALUE); 354 355 /* whatever app wants if device is not 1.2 scan type should be STANDARD */ 356 if (!HCI_LMP_INTERLACED_PAGE_SCAN_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0])) 357 return (BTM_MODE_UNSUPPORTED); 358 359 /* Check for scan type if configuration has been changed */ 360 if (scan_type != btm_cb.btm_inq_vars.page_scan_type) 361 { 362 if (BTM_IsDeviceUp()) 363 { 364 if (btsnd_hcic_write_pagescan_type ((UINT8)scan_type)) 365 btm_cb.btm_inq_vars.page_scan_type = scan_type; 366 else 367 return (BTM_NO_RESOURCES); 368 } 369 else return (BTM_WRONG_MODE); 370 } 371 return (BTM_SUCCESS); 372 } 373 374 375 /******************************************************************************* 376 ** 377 ** Function BTM_SetInquiryMode 378 ** 379 ** Description This function is called to set standard or with RSSI 380 ** mode of the inquiry for local device. 381 ** 382 ** Output Params: mode - standard, with RSSI, extended 383 ** 384 ** Returns BTM_SUCCESS if successful 385 ** BTM_NO_RESOURCES if couldn't get a memory pool buffer 386 ** BTM_ILLEGAL_VALUE if a bad parameter was detected 387 ** BTM_WRONG_MODE if the device is not up. 388 ** 389 *******************************************************************************/ 390 tBTM_STATUS BTM_SetInquiryMode (UINT8 mode) 391 { 392 BTM_TRACE_API ("BTM_SetInquiryMode"); 393 if (mode == BTM_INQ_RESULT_STANDARD) 394 { 395 /* mandatory mode */ 396 } 397 else if (mode == BTM_INQ_RESULT_WITH_RSSI) 398 { 399 if (!HCI_LMP_INQ_RSSI_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0])) 400 return (BTM_MODE_UNSUPPORTED); 401 } 402 #if (( BTM_EIR_CLIENT_INCLUDED == TRUE )||( BTM_EIR_SERVER_INCLUDED == TRUE )) 403 else if (mode == BTM_INQ_RESULT_EXTENDED) 404 { 405 if (!HCI_EXT_INQ_RSP_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0])) 406 return (BTM_MODE_UNSUPPORTED); 407 } 408 #endif 409 else 410 return (BTM_ILLEGAL_VALUE); 411 412 if (!BTM_IsDeviceUp()) 413 return (BTM_WRONG_MODE); 414 415 if (!btsnd_hcic_write_inquiry_mode (mode)) 416 return (BTM_NO_RESOURCES); 417 418 return (BTM_SUCCESS); 419 } 420 421 /******************************************************************************* 422 ** 423 ** Function BTM_ReadDiscoverability 424 ** 425 ** Description This function is called to read the current discoverability 426 ** mode of the device. 427 ** 428 ** Output Params: p_window - current inquiry scan duration 429 ** p_interval - current inquiry scan interval 430 ** 431 ** Returns BTM_NON_DISCOVERABLE, BTM_LIMITED_DISCOVERABLE, or 432 ** BTM_GENERAL_DISCOVERABLE 433 ** 434 *******************************************************************************/ 435 UINT16 BTM_ReadDiscoverability (UINT16 *p_window, UINT16 *p_interval) 436 { 437 BTM_TRACE_API ("BTM_ReadDiscoverability"); 438 if (p_window) 439 *p_window = btm_cb.btm_inq_vars.inq_scan_window; 440 441 if (p_interval) 442 *p_interval = btm_cb.btm_inq_vars.inq_scan_period; 443 444 return (btm_cb.btm_inq_vars.discoverable_mode); 445 } 446 447 448 /******************************************************************************* 449 ** 450 ** Function BTM_SetPeriodicInquiryMode 451 ** 452 ** Description This function is called to set the device periodic inquiry mode. 453 ** If the duration is zero, the periodic inquiry mode is cancelled. 454 ** 455 ** Note: We currently do not allow concurrent inquiry and periodic inquiry. 456 ** 457 ** Parameters: p_inqparms - pointer to the inquiry information 458 ** mode - GENERAL or LIMITED inquiry 459 ** duration - length in 1.28 sec intervals (If '0', the inquiry is CANCELLED) 460 ** max_resps - maximum amount of devices to search for before ending the inquiry 461 ** filter_cond_type - BTM_CLR_INQUIRY_FILTER, BTM_FILTER_COND_DEVICE_CLASS, or 462 ** BTM_FILTER_COND_BD_ADDR 463 ** filter_cond - value for the filter (based on filter_cond_type) 464 ** 465 ** max_delay - maximum amount of time between successive inquiries 466 ** min_delay - minimum amount of time between successive inquiries 467 ** p_results_cb - callback returning pointer to results (tBTM_INQ_RESULTS) 468 ** 469 ** Returns BTM_CMD_STARTED if successfully started 470 ** BTM_ILLEGAL_VALUE if a bad parameter is detected 471 ** BTM_NO_RESOURCES if could not allocate a message buffer 472 ** BTM_SUCCESS - if cancelling the periodic inquiry 473 ** BTM_BUSY - if an inquiry is already active 474 ** BTM_WRONG_MODE if the device is not up. 475 ** 476 *******************************************************************************/ 477 tBTM_STATUS BTM_SetPeriodicInquiryMode (tBTM_INQ_PARMS *p_inqparms, UINT16 max_delay, 478 UINT16 min_delay, tBTM_INQ_RESULTS_CB *p_results_cb) 479 { 480 tBTM_STATUS status; 481 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 482 483 BTM_TRACE_API ("BTM_SetPeriodicInquiryMode: mode: %d, dur: %d, rsps: %d, flt: %d, min: %d, max: %d", 484 p_inqparms->mode, p_inqparms->duration, p_inqparms->max_resps, 485 p_inqparms->filter_cond_type, min_delay, max_delay); 486 487 /*** Make sure the device is ready ***/ 488 if (!BTM_IsDeviceUp()) 489 return (BTM_WRONG_MODE); 490 491 /* Only one active inquiry is allowed in this implementation. 492 Also do not allow an inquiry if the inquiry filter is being updated */ 493 if (p_inq->inq_active || p_inq->inqfilt_active) 494 return (BTM_BUSY); 495 496 /* If illegal parameters return FALSE */ 497 if (p_inqparms->mode != BTM_GENERAL_INQUIRY && 498 p_inqparms->mode != BTM_LIMITED_INQUIRY) 499 return (BTM_ILLEGAL_VALUE); 500 501 /* Verify the parameters for this command */ 502 if (p_inqparms->duration < BTM_MIN_INQUIRY_LEN || 503 p_inqparms->duration > BTM_MAX_INQUIRY_LENGTH || 504 min_delay <= p_inqparms->duration || 505 min_delay < BTM_PER_INQ_MIN_MIN_PERIOD || 506 min_delay > BTM_PER_INQ_MAX_MIN_PERIOD || 507 max_delay <= min_delay || 508 max_delay < BTM_PER_INQ_MIN_MAX_PERIOD) 509 /* max_delay > BTM_PER_INQ_MAX_MAX_PERIOD)*/ 510 /* BTM_PER_INQ_MAX_MAX_PERIOD set to 1's in all bits. Condition resulting in false always*/ 511 { 512 return (BTM_ILLEGAL_VALUE); 513 } 514 515 /* Save the inquiry parameters to be used upon the completion of setting/clearing the inquiry filter */ 516 p_inq->inqparms = *p_inqparms; 517 p_inq->per_min_delay = min_delay; 518 p_inq->per_max_delay = max_delay; 519 p_inq->inq_cmpl_info.num_resp = 0; /* Clear the results counter */ 520 p_inq->p_inq_results_cb = p_results_cb; 521 522 p_inq->inq_active = (UINT8)((p_inqparms->mode == BTM_LIMITED_INQUIRY) ? 523 (BTM_LIMITED_INQUIRY_ACTIVE | BTM_PERIODIC_INQUIRY_ACTIVE) : 524 (BTM_GENERAL_INQUIRY_ACTIVE | BTM_PERIODIC_INQUIRY_ACTIVE)); 525 526 #if (defined(BTM_BYPASS_EVENT_FILTERING) && BTM_BYPASS_EVENT_FILTERING == TRUE) 527 BTM_TRACE_WARNING("BTM: Bypassing event filtering..."); 528 529 p_inq->state = BTM_INQ_ACTIVE_STATE; 530 p_inq->inqfilt_active = FALSE; 531 btm_initiate_inquiry (p_inq); 532 status = BTM_CMD_STARTED; 533 #else 534 /* If a filter is specified, then save it for later and clear the current filter. 535 The setting of the filter is done upon completion of clearing of the previous 536 filter. 537 */ 538 if (p_inqparms->filter_cond_type != BTM_CLR_INQUIRY_FILTER) 539 { 540 p_inq->state = BTM_INQ_CLR_FILT_STATE; 541 p_inqparms->filter_cond_type = BTM_CLR_INQUIRY_FILTER; 542 } 543 else /* The filter is not being used so simply clear it; the inquiry can start after this operation */ 544 p_inq->state = BTM_INQ_SET_FILT_STATE; 545 546 /* Before beginning the inquiry the current filter must be cleared, so initiate the command */ 547 if ((status = btm_set_inq_event_filter (p_inqparms->filter_cond_type, &p_inqparms->filter_cond)) != BTM_CMD_STARTED) 548 { 549 /* If set filter command is not succesful reset the state */ 550 p_inq->p_inq_results_cb = NULL; 551 p_inq->state = BTM_INQ_INACTIVE_STATE; 552 553 } 554 555 #endif 556 return (status); 557 } 558 559 560 /******************************************************************************* 561 ** 562 ** Function BTM_CancelPeriodicInquiry 563 ** 564 ** Description This function cancels a periodic inquiry 565 ** 566 ** Returns 567 ** BTM_NO_RESOURCES if could not allocate a message buffer 568 ** BTM_SUCCESS - if cancelling the periodic inquiry 569 ** BTM_WRONG_MODE if the device is not up. 570 ** 571 *******************************************************************************/ 572 tBTM_STATUS BTM_CancelPeriodicInquiry(void) 573 { 574 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 575 tBTM_STATUS status = BTM_SUCCESS; 576 BTM_TRACE_API ("BTM_CancelPeriodicInquiry called"); 577 578 /*** Make sure the device is ready ***/ 579 if (!BTM_IsDeviceUp()) 580 return (BTM_WRONG_MODE); 581 582 /* Only cancel if one is active */ 583 if (btm_cb.btm_inq_vars.inq_active & BTM_PERIODIC_INQUIRY_ACTIVE) 584 { 585 btm_cb.btm_inq_vars.inq_active = BTM_INQUIRY_INACTIVE; 586 btm_cb.btm_inq_vars.p_inq_results_cb = (tBTM_INQ_RESULTS_CB *) NULL; 587 588 if (!btsnd_hcic_exit_per_inq ()) 589 status = BTM_NO_RESOURCES; 590 591 /* If the event filter is in progress, mark it so that the processing of the return 592 event will be ignored */ 593 if(p_inq->inqfilt_active) 594 p_inq->pending_filt_complete_event++; 595 596 p_inq->inqfilt_active = FALSE; 597 p_inq->inq_counter++; 598 } 599 600 return (status); 601 } 602 603 604 /******************************************************************************* 605 ** 606 ** Function BTM_SetConnectability 607 ** 608 ** Description This function is called to set the device into or out of 609 ** connectable mode. Discoverable mode means page scans enabled. 610 ** 611 ** Returns BTM_SUCCESS if successful 612 ** BTM_ILLEGAL_VALUE if a bad parameter is detected 613 ** BTM_NO_RESOURCES if could not allocate a message buffer 614 ** BTM_WRONG_MODE if the device is not up. 615 ** 616 *******************************************************************************/ 617 tBTM_STATUS BTM_SetConnectability (UINT16 page_mode, UINT16 window, UINT16 interval) 618 { 619 UINT8 scan_mode = 0; 620 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 621 622 BTM_TRACE_API ("BTM_SetConnectability"); 623 624 #if (BLE_INCLUDED == TRUE && BLE_INCLUDED == TRUE) 625 if (HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1])) 626 { 627 if (btm_ble_set_connectability(page_mode) != BTM_SUCCESS) 628 { 629 return BTM_NO_RESOURCES; 630 } 631 p_inq->connectable_mode &= (~BTM_BLE_CONNECTABLE_MASK); 632 p_inq->connectable_mode |= (page_mode & BTM_BLE_CONNECTABLE_MASK); 633 } 634 page_mode &= ~BTM_BLE_CONNECTABLE_MASK; 635 #endif 636 637 /*** Check mode parameter ***/ 638 if (page_mode != BTM_NON_CONNECTABLE && page_mode != BTM_CONNECTABLE) 639 return (BTM_ILLEGAL_VALUE); 640 641 /* Make sure the controller is active */ 642 if (btm_cb.devcb.state < BTM_DEV_STATE_READY) 643 return (BTM_DEV_RESET); 644 645 /* If the window and/or interval is '0', set to default values */ 646 if (!window) 647 window = BTM_DEFAULT_CONN_WINDOW; 648 649 if (!interval) 650 interval = BTM_DEFAULT_CONN_INTERVAL; 651 652 BTM_TRACE_API ("BTM_SetConnectability: mode %d [NonConn-0, Conn-1], window 0x%04x, interval 0x%04x", 653 page_mode, window, interval); 654 655 /*** Check for valid window and interval parameters ***/ 656 /*** Only check window and duration if mode is connectable ***/ 657 if (page_mode == BTM_CONNECTABLE) 658 { 659 /* window must be less than or equal to interval */ 660 if (window < HCI_MIN_PAGESCAN_WINDOW || 661 window > HCI_MAX_PAGESCAN_WINDOW || 662 interval < HCI_MIN_PAGESCAN_INTERVAL || 663 interval > HCI_MAX_PAGESCAN_INTERVAL || 664 window > interval) 665 { 666 return (BTM_ILLEGAL_VALUE); 667 } 668 669 scan_mode |= HCI_PAGE_SCAN_ENABLED; 670 } 671 672 if ((window != p_inq->page_scan_window) || 673 (interval != p_inq->page_scan_period)) 674 { 675 p_inq->page_scan_window = window; 676 p_inq->page_scan_period = interval; 677 if (!btsnd_hcic_write_pagescan_cfg (interval, window)) 678 return (BTM_NO_RESOURCES); 679 } 680 681 /* Keep the inquiry scan as previouosly set */ 682 if (p_inq->discoverable_mode & BTM_DISCOVERABLE_MASK) 683 scan_mode |= HCI_INQUIRY_SCAN_ENABLED; 684 685 if (btsnd_hcic_write_scan_enable (scan_mode)) 686 { 687 p_inq->connectable_mode &= (~BTM_CONNECTABLE_MASK); 688 p_inq->connectable_mode |= page_mode; 689 690 return (BTM_SUCCESS); 691 } 692 693 return (BTM_NO_RESOURCES); 694 } 695 696 697 /******************************************************************************* 698 ** 699 ** Function BTM_ReadConnectability 700 ** 701 ** Description This function is called to read the current discoverability 702 ** mode of the device. 703 ** Output Params p_window - current page scan duration 704 ** p_interval - current time between page scans 705 ** 706 ** Returns BTM_NON_CONNECTABLE or BTM_CONNECTABLE 707 ** 708 *******************************************************************************/ 709 UINT16 BTM_ReadConnectability (UINT16 *p_window, UINT16 *p_interval) 710 { 711 BTM_TRACE_API ("BTM_ReadConnectability"); 712 if (p_window) 713 *p_window = btm_cb.btm_inq_vars.page_scan_window; 714 715 if (p_interval) 716 *p_interval = btm_cb.btm_inq_vars.page_scan_period; 717 718 return (btm_cb.btm_inq_vars.connectable_mode); 719 } 720 721 722 723 /******************************************************************************* 724 ** 725 ** Function BTM_IsInquiryActive 726 ** 727 ** Description This function returns a bit mask of the current inquiry state 728 ** 729 ** Returns BTM_INQUIRY_INACTIVE if inactive (0) 730 ** BTM_LIMITED_INQUIRY_ACTIVE if a limted inquiry is active 731 ** BTM_GENERAL_INQUIRY_ACTIVE if a general inquiry is active 732 ** BTM_PERIODIC_INQUIRY_ACTIVE if a periodic inquiry is active 733 ** 734 *******************************************************************************/ 735 UINT16 BTM_IsInquiryActive (void) 736 { 737 BTM_TRACE_API ("BTM_IsInquiryActive"); 738 739 return(btm_cb.btm_inq_vars.inq_active); 740 } 741 742 743 744 /******************************************************************************* 745 ** 746 ** Function BTM_CancelInquiry 747 ** 748 ** Description This function cancels an inquiry if active 749 ** 750 ** Returns BTM_SUCCESS if successful 751 ** BTM_NO_RESOURCES if could not allocate a message buffer 752 ** BTM_WRONG_MODE if the device is not up. 753 ** 754 *******************************************************************************/ 755 tBTM_STATUS BTM_CancelInquiry(void) 756 { 757 tBTM_STATUS status = BTM_SUCCESS; 758 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 759 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) 760 UINT8 active_mode=p_inq->inq_active; 761 #endif 762 BTM_TRACE_API ("BTM_CancelInquiry called"); 763 764 /*** Make sure the device is ready ***/ 765 if (!BTM_IsDeviceUp()) 766 return (BTM_WRONG_MODE); 767 768 /* Only cancel if not in periodic mode, otherwise the caller should call BTM_CancelPeriodicMode */ 769 if ((p_inq->inq_active &BTM_INQUIRY_ACTIVE_MASK) != 0 && 770 (!(p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE))) 771 { 772 p_inq->inq_active = BTM_INQUIRY_INACTIVE; 773 p_inq->state = BTM_INQ_INACTIVE_STATE; 774 p_inq->p_inq_results_cb = (tBTM_INQ_RESULTS_CB *) NULL; /* Do not notify caller anymore */ 775 p_inq->p_inq_cmpl_cb = (tBTM_CMPL_CB *) NULL; /* Do not notify caller anymore */ 776 777 /* If the event filter is in progress, mark it so that the processing of the return 778 event will be ignored */ 779 if (p_inq->inqfilt_active) 780 { 781 p_inq->inqfilt_active = FALSE; 782 p_inq->pending_filt_complete_event++; 783 } 784 /* Initiate the cancel inquiry */ 785 else 786 { 787 if (((p_inq->inqparms.mode & BTM_BR_INQUIRY_MASK) != 0) 788 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) 789 &&(active_mode & BTM_BR_INQUIRY_MASK) 790 #endif 791 ) 792 { 793 if (!btsnd_hcic_inq_cancel()) 794 status = BTM_NO_RESOURCES; 795 } 796 #if BLE_INCLUDED == TRUE 797 if (((p_inq->inqparms.mode & BTM_BLE_INQUIRY_MASK) != 0) 798 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) 799 &&(active_mode & BTM_BLE_INQ_ACTIVE_MASK) 800 #endif 801 ) 802 btm_ble_stop_inquiry(); 803 #endif 804 } 805 806 #if (defined(BTM_BUSY_LEVEL_CHANGE_INCLUDED) && BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE) 807 /* Do not send the BUSY_LEVEL event yet. Wait for the cancel_complete event 808 * and then send the BUSY_LEVEL event 809 * btm_acl_update_busy_level (BTM_BLI_INQ_DONE_EVT); 810 */ 811 #endif 812 813 p_inq->inq_counter++; 814 btm_clr_inq_result_flt(); 815 } 816 817 return (status); 818 } 819 820 821 /******************************************************************************* 822 ** 823 ** Function BTM_StartInquiry 824 ** 825 ** Description This function is called to start an inquiry. 826 ** 827 ** Parameters: p_inqparms - pointer to the inquiry information 828 ** mode - GENERAL or LIMITED inquiry, BR/LE bit mask seperately 829 ** duration - length in 1.28 sec intervals (If '0', the inquiry is CANCELLED) 830 ** max_resps - maximum amount of devices to search for before ending the inquiry 831 ** filter_cond_type - BTM_CLR_INQUIRY_FILTER, BTM_FILTER_COND_DEVICE_CLASS, or 832 ** BTM_FILTER_COND_BD_ADDR 833 ** filter_cond - value for the filter (based on filter_cond_type) 834 ** 835 ** p_results_cb - Pointer to the callback routine which gets called 836 ** upon receipt of an inquiry result. If this field is 837 ** NULL, the application is not notified. 838 ** 839 ** p_cmpl_cb - Pointer to the callback routine which gets called 840 ** upon completion. If this field is NULL, the 841 ** application is not notified when completed. 842 ** Returns tBTM_STATUS 843 ** BTM_CMD_STARTED if successfully initiated 844 ** BTM_BUSY if already in progress 845 ** BTM_ILLEGAL_VALUE if parameter(s) are out of range 846 ** BTM_NO_RESOURCES if could not allocate resources to start the command 847 ** BTM_WRONG_MODE if the device is not up. 848 ** 849 *******************************************************************************/ 850 tBTM_STATUS BTM_StartInquiry (tBTM_INQ_PARMS *p_inqparms, tBTM_INQ_RESULTS_CB *p_results_cb, 851 tBTM_CMPL_CB *p_cmpl_cb) 852 { 853 tBTM_STATUS status = BTM_CMD_STARTED; 854 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 855 856 BTM_TRACE_API ("BTM_StartInquiry: mode: %d, dur: %d, rsps: %d, flt: %d", 857 p_inqparms->mode, p_inqparms->duration, p_inqparms->max_resps, 858 p_inqparms->filter_cond_type); 859 860 /* Only one active inquiry is allowed in this implementation. 861 Also do not allow an inquiry if the inquiry filter is being updated */ 862 if (p_inq->inq_active || p_inq->inqfilt_active) 863 { 864 #if (defined BLE_INCLUDED && BLE_INCLUDED == TRUE) 865 /*check if LE observe is already running*/ 866 if(p_inq->scan_type==INQ_LE_OBSERVE && p_inq->p_inq_ble_results_cb!=NULL) 867 { 868 BTM_TRACE_API("BTM_StartInquiry: LE observe in progress"); 869 p_inq->scan_type = INQ_GENERAL; 870 p_inq->inq_active = BTM_INQUIRY_INACTIVE; 871 btm_cb.ble_ctr_cb.inq_var.scan_type = BTM_BLE_SCAN_MODE_NONE; 872 btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_DISABLE, BTM_BLE_DUPLICATE_ENABLE); 873 } 874 else 875 #endif 876 { 877 return (BTM_BUSY); 878 BTM_TRACE_API("BTM_StartInquiry: return BUSY"); 879 } 880 } 881 else 882 p_inq->scan_type = INQ_GENERAL; 883 884 /*** Make sure the device is ready ***/ 885 if (!BTM_IsDeviceUp()) 886 return (BTM_WRONG_MODE); 887 888 if ((p_inqparms->mode & BTM_BR_INQUIRY_MASK)!= BTM_GENERAL_INQUIRY && 889 (p_inqparms->mode & BTM_BR_INQUIRY_MASK)!= BTM_LIMITED_INQUIRY 890 #if (BLE_INCLUDED == TRUE) 891 && (p_inqparms->mode & BTM_BLE_INQUIRY_MASK)!= BTM_BLE_GENERAL_INQUIRY 892 && (p_inqparms->mode & BTM_BLE_INQUIRY_MASK)!= BTM_BLE_LIMITED_INQUIRY 893 #endif 894 ) 895 return (BTM_ILLEGAL_VALUE); 896 897 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) 898 if(p_inq->next_state==BTM_FINISH) 899 return BTM_ILLEGAL_VALUE; 900 #endif 901 902 903 /* Save the inquiry parameters to be used upon the completion of setting/clearing the inquiry filter */ 904 p_inq->inqparms = *p_inqparms; 905 906 /* Initialize the inquiry variables */ 907 p_inq->state = BTM_INQ_ACTIVE_STATE; 908 p_inq->p_inq_cmpl_cb = p_cmpl_cb; 909 p_inq->p_inq_results_cb = p_results_cb; 910 p_inq->inq_cmpl_info.num_resp = 0; /* Clear the results counter */ 911 p_inq->inq_active = p_inqparms->mode; 912 913 BTM_TRACE_DEBUG("BTM_StartInquiry: p_inq->inq_active = 0x%02x", p_inq->inq_active); 914 915 /* interleave scan minimal conditions */ 916 #if (BLE_INCLUDED==TRUE && (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)) 917 918 /* check if both modes are present */ 919 if((p_inqparms->mode & BTM_BLE_INQUIRY_MASK) && (p_inqparms->mode & BTM_BR_INQUIRY_MASK)) 920 { 921 BTM_TRACE_API("BTM:Interleave Inquiry Mode Set"); 922 p_inqparms->duration=p_inqparms->intl_duration[p_inq->next_state]; 923 p_inq->inqparms.duration=p_inqparms->duration; 924 } 925 else 926 { 927 BTM_TRACE_API("BTM:Single Mode: No interleaving, Mode:0x%02x", p_inqparms->mode); 928 p_inq->next_state=BTM_NO_INTERLEAVING; 929 } 930 #endif 931 932 933 934 /* start LE inquiry here if requested */ 935 #if BLE_INCLUDED == TRUE 936 if ((p_inqparms->mode & BTM_BLE_INQUIRY_MASK) 937 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) 938 &&(p_inq->next_state==BTM_BLE_ONE || p_inq->next_state==BTM_BLE_TWO || 939 p_inq->next_state==BTM_NO_INTERLEAVING) 940 #endif 941 ) 942 943 { 944 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) 945 p_inq->inq_active = (p_inqparms->mode & BTM_BLE_INQUIRY_MASK); 946 BTM_TRACE_API("BTM:Starting LE Scan with duration %d and activeMode:0x%02x", 947 p_inqparms->duration, (p_inqparms->mode & BTM_BLE_INQUIRY_MASK)); 948 #endif 949 if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1])) 950 { 951 p_inq->inqparms.mode &= ~ BTM_BLE_INQUIRY_MASK; 952 status = BTM_ILLEGAL_VALUE; 953 } 954 /* BLE for now does not support filter condition for inquiry */ 955 else if ((status = btm_ble_start_inquiry((UINT8)(p_inqparms->mode & BTM_BLE_INQUIRY_MASK), 956 p_inqparms->duration)) != BTM_CMD_STARTED) 957 { 958 BTM_TRACE_ERROR("Err Starting LE Inquiry."); 959 p_inq->inqparms.mode &= ~ BTM_BLE_INQUIRY_MASK; 960 } 961 #if (!defined(BTA_HOST_INTERLEAVE_SEARCH) || BTA_HOST_INTERLEAVE_SEARCH == FALSE) 962 p_inqparms->mode &= ~BTM_BLE_INQUIRY_MASK; 963 #endif 964 965 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) 966 if(p_inq->next_state==BTM_NO_INTERLEAVING) 967 { 968 p_inq->next_state=BTM_FINISH; 969 } 970 else 971 { 972 BTM_TRACE_API("BTM:Interleaving: started LE scan, Advancing to next state: %d", 973 p_inq->next_state+1); 974 p_inq->next_state+=1; 975 } 976 /* reset next_state if status <> BTM_Started */ 977 if(status!=BTM_CMD_STARTED) 978 p_inq->next_state=BTM_BR_ONE; 979 980 /* if interleave scan..return here */ 981 return status; 982 #endif 983 984 985 BTM_TRACE_DEBUG("BTM_StartInquiry: mode = %02x", p_inqparms->mode); 986 } 987 #endif /* end of BLE_INCLUDED */ 988 989 /* we're done with this routine if BR/EDR inquiry is not desired. */ 990 if ((p_inqparms->mode & BTM_BR_INQUIRY_MASK) == BTM_INQUIRY_NONE) 991 return status; 992 993 /* BR/EDR inquiry portion */ 994 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) 995 if((p_inq->next_state==BTM_BR_ONE || p_inq->next_state==BTM_BR_TWO || 996 p_inq->next_state==BTM_NO_INTERLEAVING )) 997 { 998 p_inq->inq_active = (p_inqparms->mode & BTM_BR_INQUIRY_MASK); 999 #endif 1000 #if (defined(BTM_BYPASS_EVENT_FILTERING) && BTM_BYPASS_EVENT_FILTERING == TRUE) 1001 BTM_TRACE_WARNING("BTM: Bypassing event filtering..."); 1002 p_inq->inqfilt_active = FALSE; 1003 btm_initiate_inquiry (p_inq); 1004 status = BTM_CMD_STARTED; 1005 #else 1006 /* If a filter is specified, then save it for later and clear the current filter. 1007 The setting of the filter is done upon completion of clearing of the previous 1008 filter. 1009 */ 1010 switch (p_inqparms->filter_cond_type) 1011 { 1012 case BTM_CLR_INQUIRY_FILTER: 1013 p_inq->state = BTM_INQ_SET_FILT_STATE; 1014 break; 1015 1016 case BTM_FILTER_COND_DEVICE_CLASS: 1017 case BTM_FILTER_COND_BD_ADDR: 1018 /* The filter is not being used so simply clear it; 1019 the inquiry can start after this operation */ 1020 p_inq->state = BTM_INQ_CLR_FILT_STATE; 1021 p_inqparms->filter_cond_type = BTM_CLR_INQUIRY_FILTER; 1022 /* =============>>>> adding LE filtering here ????? */ 1023 break; 1024 1025 default: 1026 return (BTM_ILLEGAL_VALUE); 1027 } 1028 1029 /* Before beginning the inquiry the current filter must be cleared, so initiate the command */ 1030 if ((status = btm_set_inq_event_filter (p_inqparms->filter_cond_type, 1031 &p_inqparms->filter_cond)) != BTM_CMD_STARTED) 1032 p_inq->state = BTM_INQ_INACTIVE_STATE; 1033 #endif 1034 1035 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) 1036 if (p_inq->next_state==BTM_NO_INTERLEAVING) 1037 p_inq->next_state=BTM_FINISH; 1038 else 1039 { 1040 BTM_TRACE_API("BTM:Interleaving: Started BTM inq, Advancing to next state: %d", 1041 p_inq->next_state+1); 1042 p_inq->next_state+=1; 1043 } 1044 } 1045 if (status!=BTM_CMD_STARTED) 1046 { 1047 /* Some error beginning the scan process. 1048 Reset the next_state parameter.. Do we need to reset the inq_active also? 1049 */ 1050 BTM_TRACE_API("BTM:Interleaving: Error in Starting inquiry, status: 0x%02x", status); 1051 p_inq->next_state=BTM_BR_ONE; 1052 } 1053 #endif 1054 1055 1056 return (status); 1057 } 1058 1059 1060 /******************************************************************************* 1061 ** 1062 ** Function BTM_ReadRemoteDeviceName 1063 ** 1064 ** Description This function initiates a remote device HCI command to the 1065 ** controller and calls the callback when the process has completed. 1066 ** 1067 ** Input Params: remote_bda - device address of name to retrieve 1068 ** p_cb - callback function called when BTM_CMD_STARTED 1069 ** is returned. 1070 ** A pointer to tBTM_REMOTE_DEV_NAME is passed to the 1071 ** callback. 1072 ** 1073 ** Returns 1074 ** BTM_CMD_STARTED is returned if the request was successfully sent 1075 ** to HCI. 1076 ** BTM_BUSY if already in progress 1077 ** BTM_UNKNOWN_ADDR if device address is bad 1078 ** BTM_NO_RESOURCES if could not allocate resources to start the command 1079 ** BTM_WRONG_MODE if the device is not up. 1080 ** 1081 *******************************************************************************/ 1082 tBTM_STATUS BTM_ReadRemoteDeviceName (BD_ADDR remote_bda, tBTM_CMPL_CB *p_cb 1083 ,tBT_TRANSPORT transport) 1084 { 1085 tBTM_INQ_INFO *p_cur = NULL; 1086 tINQ_DB_ENT *p_i; 1087 1088 BTM_TRACE_API ("BTM_ReadRemoteDeviceName: bd addr [%02x%02x%02x%02x%02x%02x]", 1089 remote_bda[0], remote_bda[1], remote_bda[2], 1090 remote_bda[3], remote_bda[4], remote_bda[5]); 1091 1092 /* Use the remote device's clock offset if it is in the local inquiry database */ 1093 if ((p_i = btm_inq_db_find (remote_bda)) != NULL) 1094 { 1095 p_cur = &p_i->inq_info; 1096 1097 #if (BTM_INQ_GET_REMOTE_NAME == TRUE) 1098 p_cur->remote_name_state = BTM_INQ_RMT_NAME_EMPTY; 1099 #endif 1100 } 1101 BTM_TRACE_API ("no device found in inquiry db"); 1102 1103 #if (BLE_INCLUDED == TRUE) 1104 if (transport == BT_TRANSPORT_LE) 1105 { 1106 return btm_ble_read_remote_name(remote_bda, p_cur, p_cb); 1107 } 1108 else 1109 #endif 1110 1111 return (btm_initiate_rem_name (remote_bda, p_cur, BTM_RMT_NAME_EXT, 1112 BTM_EXT_RMT_NAME_TIMEOUT, p_cb)); 1113 } 1114 1115 /******************************************************************************* 1116 ** 1117 ** Function BTM_CancelRemoteDeviceName 1118 ** 1119 ** Description This function initiates the cancel request for the specified 1120 ** remote device. 1121 ** 1122 ** Input Params: None 1123 ** 1124 ** Returns 1125 ** BTM_CMD_STARTED is returned if the request was successfully sent 1126 ** to HCI. 1127 ** BTM_NO_RESOURCES if could not allocate resources to start the command 1128 ** BTM_WRONG_MODE if there is not an active remote name request. 1129 ** 1130 *******************************************************************************/ 1131 tBTM_STATUS BTM_CancelRemoteDeviceName (void) 1132 { 1133 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 1134 1135 BTM_TRACE_API ("BTM_CancelRemoteDeviceName()"); 1136 1137 /* Make sure there is not already one in progress */ 1138 if (p_inq->remname_active) 1139 { 1140 #if BLE_INCLUDED == TRUE 1141 if (BTM_UseLeLink(p_inq->remname_bda)) 1142 { 1143 if (btm_ble_cancel_remote_name(p_inq->remname_bda)) 1144 return (BTM_CMD_STARTED); 1145 else 1146 return (BTM_UNKNOWN_ADDR); 1147 } 1148 else 1149 #endif 1150 if (btsnd_hcic_rmt_name_req_cancel (p_inq->remname_bda)) 1151 return (BTM_CMD_STARTED); 1152 else 1153 return (BTM_NO_RESOURCES); 1154 } 1155 else 1156 return (BTM_WRONG_MODE); 1157 } 1158 1159 /******************************************************************************* 1160 ** 1161 ** Function BTM_InqFirstResult 1162 ** 1163 ** Description This function looks through the inquiry database for the first 1164 ** used entrysince the LAST inquiry. This is used in conjunction 1165 ** with BTM_InqNext by applications as a way to walk through the 1166 ** inquiry results database. 1167 ** 1168 ** Returns pointer to first in-use entry, or NULL if DB is empty 1169 ** 1170 *******************************************************************************/ 1171 tBTM_INQ_INFO *BTM_InqFirstResult (void) 1172 { 1173 UINT16 xx; 1174 tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db; 1175 UINT32 cur_inq_count = btm_cb.btm_inq_vars.inq_counter - 1; 1176 1177 for (xx = 0; xx < BTM_INQ_DB_SIZE; xx++, p_ent++) 1178 { 1179 if (p_ent->in_use && p_ent->inq_count == cur_inq_count) 1180 return (&p_ent->inq_info); 1181 } 1182 1183 /* If here, no used entry found */ 1184 return ((tBTM_INQ_INFO *)NULL); 1185 } 1186 1187 1188 /******************************************************************************* 1189 ** 1190 ** Function BTM_InqNextResult 1191 ** 1192 ** Description This function looks through the inquiry database for the next 1193 ** used entrysince the LAST inquiry. If the input parameter is NULL, 1194 ** the first entry is returned. 1195 ** 1196 ** Returns pointer to next in-use entry, or NULL if no more found. 1197 ** 1198 *******************************************************************************/ 1199 tBTM_INQ_INFO *BTM_InqNextResult (tBTM_INQ_INFO *p_cur) 1200 { 1201 tINQ_DB_ENT *p_ent; 1202 UINT16 inx; 1203 UINT32 cur_inq_count = btm_cb.btm_inq_vars.inq_counter - 1; 1204 1205 if (p_cur) 1206 { 1207 p_ent = (tINQ_DB_ENT *) ((UINT8 *)p_cur - offsetof (tINQ_DB_ENT, inq_info)); 1208 inx = (UINT16)((p_ent - btm_cb.btm_inq_vars.inq_db) + 1); 1209 1210 for (p_ent = &btm_cb.btm_inq_vars.inq_db[inx]; inx < BTM_INQ_DB_SIZE; inx++, p_ent++) 1211 { 1212 if (p_ent->in_use && p_ent->inq_count == cur_inq_count) 1213 return (&p_ent->inq_info); 1214 } 1215 1216 /* If here, more entries found */ 1217 return ((tBTM_INQ_INFO *)NULL); 1218 } 1219 else 1220 return (BTM_InqDbFirst()); 1221 } 1222 1223 1224 /******************************************************************************* 1225 ** 1226 ** Function BTM_InqDbRead 1227 ** 1228 ** Description This function looks through the inquiry database for a match 1229 ** based on Bluetooth Device Address. This is the application's 1230 ** interface to get the inquiry details of a specific BD address. 1231 ** 1232 ** Returns pointer to entry, or NULL if not found 1233 ** 1234 *******************************************************************************/ 1235 tBTM_INQ_INFO *BTM_InqDbRead (BD_ADDR p_bda) 1236 { 1237 UINT16 xx; 1238 tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db; 1239 1240 BTM_TRACE_API ("BTM_InqDbRead: bd addr [%02x%02x%02x%02x%02x%02x]", 1241 p_bda[0], p_bda[1], p_bda[2], p_bda[3], p_bda[4], p_bda[5]); 1242 1243 for (xx = 0; xx < BTM_INQ_DB_SIZE; xx++, p_ent++) 1244 { 1245 if ((p_ent->in_use) && (!memcmp (p_ent->inq_info.results.remote_bd_addr, p_bda, BD_ADDR_LEN))) 1246 return (&p_ent->inq_info); 1247 } 1248 1249 /* If here, not found */ 1250 return ((tBTM_INQ_INFO *)NULL); 1251 } 1252 1253 1254 /******************************************************************************* 1255 ** 1256 ** Function BTM_InqDbFirst 1257 ** 1258 ** Description This function looks through the inquiry database for the first 1259 ** used entry, and returns that. This is used in conjunction with 1260 ** BTM_InqDbNext by applications as a way to walk through the 1261 ** inquiry database. 1262 ** 1263 ** Returns pointer to first in-use entry, or NULL if DB is empty 1264 ** 1265 *******************************************************************************/ 1266 tBTM_INQ_INFO *BTM_InqDbFirst (void) 1267 { 1268 UINT16 xx; 1269 tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db; 1270 1271 for (xx = 0; xx < BTM_INQ_DB_SIZE; xx++, p_ent++) 1272 { 1273 if (p_ent->in_use) 1274 return (&p_ent->inq_info); 1275 } 1276 1277 /* If here, no used entry found */ 1278 return ((tBTM_INQ_INFO *)NULL); 1279 } 1280 1281 1282 /******************************************************************************* 1283 ** 1284 ** Function BTM_InqDbNext 1285 ** 1286 ** Description This function looks through the inquiry database for the next 1287 ** used entry, and returns that. If the input parameter is NULL, 1288 ** the first entry is returned. 1289 ** 1290 ** Returns pointer to next in-use entry, or NULL if no more found. 1291 ** 1292 *******************************************************************************/ 1293 tBTM_INQ_INFO *BTM_InqDbNext (tBTM_INQ_INFO *p_cur) 1294 { 1295 tINQ_DB_ENT *p_ent; 1296 UINT16 inx; 1297 1298 if (p_cur) 1299 { 1300 p_ent = (tINQ_DB_ENT *) ((UINT8 *)p_cur - offsetof (tINQ_DB_ENT, inq_info)); 1301 inx = (UINT16)((p_ent - btm_cb.btm_inq_vars.inq_db) + 1); 1302 1303 for (p_ent = &btm_cb.btm_inq_vars.inq_db[inx]; inx < BTM_INQ_DB_SIZE; inx++, p_ent++) 1304 { 1305 if (p_ent->in_use) 1306 return (&p_ent->inq_info); 1307 } 1308 1309 /* If here, more entries found */ 1310 return ((tBTM_INQ_INFO *)NULL); 1311 } 1312 else 1313 return (BTM_InqDbFirst()); 1314 } 1315 1316 1317 /******************************************************************************* 1318 ** 1319 ** Function BTM_ClearInqDb 1320 ** 1321 ** Description This function is called to clear out a device or all devices 1322 ** from the inquiry database. 1323 ** 1324 ** Parameter p_bda - (input) BD_ADDR -> Address of device to clear 1325 ** (NULL clears all entries) 1326 ** 1327 ** Returns BTM_BUSY if an inquiry, get remote name, or event filter 1328 ** is active, otherwise BTM_SUCCESS 1329 ** 1330 *******************************************************************************/ 1331 tBTM_STATUS BTM_ClearInqDb (BD_ADDR p_bda) 1332 { 1333 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 1334 1335 /* If an inquiry or remote name is in progress return busy */ 1336 if (p_inq->inq_active != BTM_INQUIRY_INACTIVE || 1337 p_inq->inqfilt_active) 1338 return (BTM_BUSY); 1339 1340 btm_clr_inq_db(p_bda); 1341 1342 return (BTM_SUCCESS); 1343 } 1344 1345 1346 /******************************************************************************* 1347 ** 1348 ** Function BTM_ReadNumInqDbEntries 1349 ** 1350 ** Returns This function returns the number of entries in the inquiry database. 1351 ** 1352 *******************************************************************************/ 1353 UINT8 BTM_ReadNumInqDbEntries (void) 1354 { 1355 UINT8 num_entries; 1356 UINT8 num_results; 1357 tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db; 1358 1359 for (num_entries = 0, num_results = 0; num_entries < BTM_INQ_DB_SIZE; num_entries++, p_ent++) 1360 { 1361 if (p_ent->in_use) 1362 num_results++; 1363 } 1364 1365 return (num_results); 1366 } 1367 1368 1369 /******************************************************************************* 1370 ** 1371 ** Function BTM_InquiryRegisterForChanges 1372 ** 1373 ** Returns This function is called to register a callback for when the 1374 ** inquiry database changes, i.e. new entry or entry deleted. 1375 ** 1376 *******************************************************************************/ 1377 tBTM_STATUS BTM_InquiryRegisterForChanges (tBTM_INQ_DB_CHANGE_CB *p_cb) 1378 { 1379 if (!p_cb) 1380 btm_cb.btm_inq_vars.p_inq_change_cb = NULL; 1381 else if (btm_cb.btm_inq_vars.p_inq_change_cb) 1382 return (BTM_BUSY); 1383 else 1384 btm_cb.btm_inq_vars.p_inq_change_cb = p_cb; 1385 1386 return (BTM_SUCCESS); 1387 } 1388 1389 1390 /******************************************************************************* 1391 ** 1392 ** Function BTM_SetInquiryFilterCallback 1393 ** 1394 ** Description Host can register to be asked whenever an inquiry result 1395 ** is received. If host does not like the device no name 1396 ** request is issued for the device 1397 ** 1398 ** Returns void 1399 ** 1400 *******************************************************************************/ 1401 void BTM_SetInquiryFilterCallback (tBTM_FILTER_CB *p_callback) 1402 { 1403 btm_cb.p_inq_filter_cb = p_callback; 1404 } 1405 1406 /******************************************************************************* 1407 ** 1408 ** Function BTM_ReadInquiryRspTxPower 1409 ** 1410 ** Description This command will read the inquiry Transmit Power level used 1411 ** to transmit the FHS and EIR data packets. 1412 ** This can be used directly in the Tx Power Level EIR data type. 1413 ** 1414 ** Returns BTM_SUCCESS if successful 1415 ** 1416 *******************************************************************************/ 1417 tBTM_STATUS BTM_ReadInquiryRspTxPower (tBTM_CMPL_CB *p_cb) 1418 { 1419 if (btm_cb.devcb.p_txpwer_cmpl_cb) 1420 return (BTM_BUSY); 1421 1422 btu_start_timer (&btm_cb.devcb.txpwer_timer, BTU_TTYPE_BTM_ACL, BTM_INQ_REPLY_TIMEOUT ); 1423 1424 1425 btm_cb.devcb.p_txpwer_cmpl_cb = p_cb; 1426 1427 if (!btsnd_hcic_read_inq_tx_power ()) 1428 { 1429 btm_cb.devcb.p_txpwer_cmpl_cb = NULL; 1430 btu_stop_timer (&btm_cb.devcb.txpwer_timer); 1431 return (BTM_NO_RESOURCES); 1432 } 1433 else 1434 return (BTM_CMD_STARTED); 1435 } 1436 /******************************************************************************* 1437 ** 1438 ** Function BTM_WriteInquiryTxPower 1439 ** 1440 ** Description This command is used to write the inquiry transmit power level 1441 ** used to transmit the inquiry (ID) data packets. The Controller 1442 ** should use the supported TX power level closest to the Tx_Power 1443 ** parameter. 1444 ** 1445 ** Returns BTM_SUCCESS if successful 1446 ** 1447 *******************************************************************************/ 1448 tBTM_STATUS BTM_WriteInquiryTxPower (INT8 tx_power) 1449 { 1450 tBTM_STATUS status = BTM_SUCCESS; 1451 1452 if (tx_power < BTM_MIN_INQ_TX_POWER || tx_power > BTM_MAX_INQ_TX_POWER) 1453 { 1454 status = BTM_ILLEGAL_VALUE; 1455 } 1456 else if (!btsnd_hcic_write_inq_tx_power(tx_power)) 1457 status = BTM_NO_RESOURCES; 1458 1459 return status; 1460 } 1461 /********************************************************************************* 1462 ********************************************************************************** 1463 ** ** 1464 ** BTM Internal Inquiry Functions ** 1465 ** ** 1466 ********************************************************************************** 1467 *********************************************************************************/ 1468 /******************************************************************************* 1469 ** 1470 ** Function btm_inq_db_reset 1471 ** 1472 ** Description This function is called at at reset to clear the inquiry 1473 ** database & pending callback. 1474 ** 1475 ** Returns void 1476 ** 1477 *******************************************************************************/ 1478 void btm_inq_db_reset (void) 1479 { 1480 tBTM_REMOTE_DEV_NAME rem_name; 1481 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 1482 UINT8 num_responses; 1483 UINT8 temp_inq_active; 1484 tBTM_STATUS status; 1485 1486 btu_stop_timer (&p_inq->inq_timer_ent); 1487 1488 /* If an inquiry or periodic inquiry is active, reset the mode to inactive */ 1489 if (p_inq->inq_active != BTM_INQUIRY_INACTIVE) 1490 { 1491 temp_inq_active = p_inq->inq_active; /* Save so state can change BEFORE 1492 callback is called */ 1493 p_inq->inq_active = BTM_INQUIRY_INACTIVE; 1494 1495 /* If not a periodic inquiry, the complete callback must be called to notify caller */ 1496 if (temp_inq_active == BTM_LIMITED_INQUIRY_ACTIVE || 1497 temp_inq_active == BTM_GENERAL_INQUIRY_ACTIVE) 1498 { 1499 if (p_inq->p_inq_cmpl_cb) 1500 { 1501 num_responses = 0; 1502 (*p_inq->p_inq_cmpl_cb)(&num_responses); 1503 } 1504 } 1505 } 1506 1507 /* Cancel a remote name request if active, and notify the caller (if waiting) */ 1508 if (p_inq->remname_active ) 1509 { 1510 btu_stop_timer (&p_inq->rmt_name_timer_ent); 1511 p_inq->remname_active = FALSE; 1512 memset(p_inq->remname_bda, 0, BD_ADDR_LEN); 1513 1514 if (p_inq->p_remname_cmpl_cb) 1515 { 1516 rem_name.status = BTM_DEV_RESET; 1517 1518 (*p_inq->p_remname_cmpl_cb)(&rem_name); 1519 p_inq->p_remname_cmpl_cb = NULL; 1520 } 1521 } 1522 1523 /* Cancel an inquiry filter request if active, and notify the caller (if waiting) */ 1524 if (p_inq->inqfilt_active) 1525 { 1526 p_inq->inqfilt_active = FALSE; 1527 1528 if (p_inq->p_inqfilter_cmpl_cb) 1529 { 1530 status = BTM_DEV_RESET; 1531 (*p_inq->p_inqfilter_cmpl_cb)(&status); 1532 } 1533 } 1534 1535 p_inq->state = BTM_INQ_INACTIVE_STATE; 1536 p_inq->pending_filt_complete_event = 0; 1537 p_inq->p_inq_results_cb = NULL; 1538 btm_clr_inq_db(NULL); /* Clear out all the entries in the database */ 1539 btm_clr_inq_result_flt(); 1540 1541 p_inq->discoverable_mode = BTM_NON_DISCOVERABLE; 1542 p_inq->connectable_mode = BTM_NON_CONNECTABLE; 1543 p_inq->page_scan_type = BTM_SCAN_TYPE_STANDARD; 1544 p_inq->inq_scan_type = BTM_SCAN_TYPE_STANDARD; 1545 1546 #if BLE_INCLUDED == TRUE 1547 p_inq->discoverable_mode |= BTM_BLE_NON_DISCOVERABLE; 1548 p_inq->connectable_mode |= BTM_BLE_NON_CONNECTABLE; 1549 #endif 1550 return; 1551 } 1552 1553 1554 /********************************************************************************* 1555 ** 1556 ** Function btm_inq_db_init 1557 ** 1558 ** Description This function is called at startup to initialize the inquiry 1559 ** database. 1560 ** 1561 ** Returns void 1562 ** 1563 *******************************************************************************/ 1564 void btm_inq_db_init (void) 1565 { 1566 #if 0 /* cleared in btm_init; put back in if called from anywhere else! */ 1567 memset (&btm_cb.btm_inq_vars, 0, sizeof (tBTM_INQUIRY_VAR_ST)); 1568 #endif 1569 btm_cb.btm_inq_vars.no_inc_ssp = BTM_NO_SSP_ON_INQUIRY; 1570 } 1571 1572 /********************************************************************************* 1573 ** 1574 ** Function btm_inq_stop_on_ssp 1575 ** 1576 ** Description This function is called on incoming SSP 1577 ** 1578 ** Returns void 1579 ** 1580 *******************************************************************************/ 1581 void btm_inq_stop_on_ssp(void) 1582 { 1583 UINT8 normal_active = (BTM_GENERAL_INQUIRY_ACTIVE|BTM_LIMITED_INQUIRY_ACTIVE); 1584 1585 #if (BTM_INQ_DEBUG == TRUE) 1586 BTM_TRACE_DEBUG ("btm_inq_stop_on_ssp: no_inc_ssp=%d inq_active:0x%x state:%d inqfilt_active:%d", 1587 btm_cb.btm_inq_vars.no_inc_ssp, btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state, btm_cb.btm_inq_vars.inqfilt_active); 1588 #endif 1589 if (btm_cb.btm_inq_vars.no_inc_ssp) 1590 { 1591 if (btm_cb.btm_inq_vars.state == BTM_INQ_ACTIVE_STATE) 1592 { 1593 if (btm_cb.btm_inq_vars.inq_active & BTM_PERIODIC_INQUIRY_ACTIVE) 1594 { 1595 BTM_CancelPeriodicInquiry(); 1596 } 1597 else if (btm_cb.btm_inq_vars.inq_active & normal_active) 1598 { 1599 /* can not call BTM_CancelInquiry() here. We need to report inquiry complete evt */ 1600 btsnd_hcic_inq_cancel(); 1601 } 1602 } 1603 /* do not allow inquiry to start */ 1604 btm_cb.btm_inq_vars.inq_active |= BTM_SSP_INQUIRY_ACTIVE; 1605 } 1606 } 1607 1608 /********************************************************************************* 1609 ** 1610 ** Function btm_inq_clear_ssp 1611 ** 1612 ** Description This function is called when pairing_state becomes idle 1613 ** 1614 ** Returns void 1615 ** 1616 *******************************************************************************/ 1617 void btm_inq_clear_ssp(void) 1618 { 1619 btm_cb.btm_inq_vars.inq_active &= ~BTM_SSP_INQUIRY_ACTIVE; 1620 } 1621 1622 /********************************************************************************* 1623 ** 1624 ** Function btm_clr_inq_db 1625 ** 1626 ** Description This function is called to clear out a device or all devices 1627 ** from the inquiry database. 1628 ** 1629 ** Parameter p_bda - (input) BD_ADDR -> Address of device to clear 1630 ** (NULL clears all entries) 1631 ** 1632 ** Returns void 1633 ** 1634 *******************************************************************************/ 1635 void btm_clr_inq_db (BD_ADDR p_bda) 1636 { 1637 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 1638 tINQ_DB_ENT *p_ent = p_inq->inq_db; 1639 UINT16 xx; 1640 1641 #if (BTM_INQ_DEBUG == TRUE) 1642 BTM_TRACE_DEBUG ("btm_clr_inq_db: inq_active:0x%x state:%d", 1643 btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state); 1644 #endif 1645 for (xx = 0; xx < BTM_INQ_DB_SIZE; xx++, p_ent++) 1646 { 1647 if (p_ent->in_use) 1648 { 1649 /* If this is the specified BD_ADDR or clearing all devices */ 1650 if (p_bda == NULL || 1651 (!memcmp (p_ent->inq_info.results.remote_bd_addr, p_bda, BD_ADDR_LEN))) 1652 { 1653 p_ent->in_use = FALSE; 1654 #if (BTM_INQ_GET_REMOTE_NAME == TRUE) 1655 p_ent->inq_info.remote_name_state = BTM_INQ_RMT_NAME_EMPTY; 1656 #endif 1657 1658 if (btm_cb.btm_inq_vars.p_inq_change_cb) 1659 (*btm_cb.btm_inq_vars.p_inq_change_cb) (&p_ent->inq_info, FALSE); 1660 } 1661 } 1662 } 1663 #if (BTM_INQ_DEBUG == TRUE) 1664 BTM_TRACE_DEBUG ("inq_active:0x%x state:%d", 1665 btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state); 1666 #endif 1667 } 1668 1669 1670 /******************************************************************************* 1671 ** 1672 ** Function btm_clr_inq_result_flt 1673 ** 1674 ** Description This function looks through the bdaddr database for a match 1675 ** based on Bluetooth Device Address 1676 ** 1677 ** Returns TRUE if found, else FALSE (new entry) 1678 ** 1679 *******************************************************************************/ 1680 static void btm_clr_inq_result_flt (void) 1681 { 1682 #if BTM_USE_INQ_RESULTS_FILTER == TRUE 1683 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 1684 1685 if (p_inq->p_bd_db) 1686 { 1687 GKI_freebuf(p_inq->p_bd_db); 1688 p_inq->p_bd_db = NULL; 1689 } 1690 p_inq->num_bd_entries = 0; 1691 p_inq->max_bd_entries = 0; 1692 #endif 1693 } 1694 1695 /******************************************************************************* 1696 ** 1697 ** Function btm_inq_find_bdaddr 1698 ** 1699 ** Description This function looks through the bdaddr database for a match 1700 ** based on Bluetooth Device Address 1701 ** 1702 ** Returns TRUE if found, else FALSE (new entry) 1703 ** 1704 *******************************************************************************/ 1705 BOOLEAN btm_inq_find_bdaddr (BD_ADDR p_bda) 1706 { 1707 #if BTM_USE_INQ_RESULTS_FILTER == TRUE 1708 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 1709 tINQ_BDADDR *p_db = &p_inq->p_bd_db[0]; 1710 UINT16 xx; 1711 1712 /* Don't bother searching, database doesn't exist or periodic mode */ 1713 if ((p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE) || !p_db) 1714 return (FALSE); 1715 1716 for (xx = 0; xx < p_inq->num_bd_entries; xx++, p_db++) 1717 { 1718 if (!memcmp(p_db->bd_addr, p_bda, BD_ADDR_LEN) 1719 && p_db->inq_count == p_inq->inq_counter) 1720 return (TRUE); 1721 } 1722 1723 if (xx < p_inq->max_bd_entries) 1724 { 1725 p_db->inq_count = p_inq->inq_counter; 1726 memcpy(p_db->bd_addr, p_bda, BD_ADDR_LEN); 1727 p_inq->num_bd_entries++; 1728 } 1729 1730 #endif 1731 /* If here, New Entry */ 1732 return (FALSE); 1733 } 1734 1735 /******************************************************************************* 1736 ** 1737 ** Function btm_inq_db_find 1738 ** 1739 ** Description This function looks through the inquiry database for a match 1740 ** based on Bluetooth Device Address 1741 ** 1742 ** Returns pointer to entry, or NULL if not found 1743 ** 1744 *******************************************************************************/ 1745 tINQ_DB_ENT *btm_inq_db_find (BD_ADDR p_bda) 1746 { 1747 UINT16 xx; 1748 tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db; 1749 1750 for (xx = 0; xx < BTM_INQ_DB_SIZE; xx++, p_ent++) 1751 { 1752 if ((p_ent->in_use) && (!memcmp (p_ent->inq_info.results.remote_bd_addr, p_bda, BD_ADDR_LEN))) 1753 return (p_ent); 1754 } 1755 1756 /* If here, not found */ 1757 return (NULL); 1758 } 1759 1760 1761 /******************************************************************************* 1762 ** 1763 ** Function btm_inq_db_new 1764 ** 1765 ** Description This function looks through the inquiry database for an unused 1766 ** entry. If no entry is free, it allocates the oldest entry. 1767 ** 1768 ** Returns pointer to entry 1769 ** 1770 *******************************************************************************/ 1771 tINQ_DB_ENT *btm_inq_db_new (BD_ADDR p_bda) 1772 { 1773 UINT16 xx; 1774 tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db; 1775 tINQ_DB_ENT *p_old = btm_cb.btm_inq_vars.inq_db; 1776 UINT32 ot = 0xFFFFFFFF; 1777 1778 for (xx = 0; xx < BTM_INQ_DB_SIZE; xx++, p_ent++) 1779 { 1780 if (!p_ent->in_use) 1781 { 1782 memset (p_ent, 0, sizeof (tINQ_DB_ENT)); 1783 memcpy (p_ent->inq_info.results.remote_bd_addr, p_bda, BD_ADDR_LEN); 1784 p_ent->in_use = TRUE; 1785 1786 #if (BTM_INQ_GET_REMOTE_NAME==TRUE) 1787 p_ent->inq_info.remote_name_state = BTM_INQ_RMT_NAME_EMPTY; 1788 #endif 1789 1790 return (p_ent); 1791 } 1792 1793 if (p_ent->time_of_resp < ot) 1794 { 1795 p_old = p_ent; 1796 ot = p_ent->time_of_resp; 1797 } 1798 } 1799 1800 /* If here, no free entry found. Return the oldest. */ 1801 1802 /* Before deleting the oldest, if anyone is registered for change */ 1803 /* notifications, then tell him we are deleting an entry. */ 1804 if (btm_cb.btm_inq_vars.p_inq_change_cb) 1805 (*btm_cb.btm_inq_vars.p_inq_change_cb) (&p_old->inq_info, FALSE); 1806 1807 memset (p_old, 0, sizeof (tINQ_DB_ENT)); 1808 memcpy (p_old->inq_info.results.remote_bd_addr, p_bda, BD_ADDR_LEN); 1809 p_old->in_use = TRUE; 1810 1811 #if (BTM_INQ_GET_REMOTE_NAME==TRUE) 1812 p_old->inq_info.remote_name_state = BTM_INQ_RMT_NAME_EMPTY; 1813 #endif 1814 1815 return (p_old); 1816 } 1817 1818 1819 /******************************************************************************* 1820 ** 1821 ** Function btm_set_inq_event_filter 1822 ** 1823 ** Description This function is called to set the inquiry event filter. 1824 ** It is called by either internally, or by the external API function 1825 ** (BTM_SetInqEventFilter). It is used internally as part of the 1826 ** inquiry processing. 1827 ** 1828 ** Input Params: 1829 ** filter_cond_type - this is the type of inquiry filter to apply: 1830 ** BTM_FILTER_COND_DEVICE_CLASS, 1831 ** BTM_FILTER_COND_BD_ADDR, or 1832 ** BTM_CLR_INQUIRY_FILTER 1833 ** 1834 ** p_filt_cond - this is either a BD_ADDR or DEV_CLASS depending on the 1835 ** filter_cond_type (See section 4.7.3 of Core Spec 1.0b). 1836 ** 1837 ** Returns BTM_CMD_STARTED if successfully initiated 1838 ** BTM_NO_RESOURCES if couldn't get a memory pool buffer 1839 ** BTM_ILLEGAL_VALUE if a bad parameter was detected 1840 ** 1841 *******************************************************************************/ 1842 static tBTM_STATUS btm_set_inq_event_filter (UINT8 filter_cond_type, 1843 tBTM_INQ_FILT_COND *p_filt_cond) 1844 { 1845 UINT8 condition_length = DEV_CLASS_LEN * 2; 1846 UINT8 condition_buf[DEV_CLASS_LEN * 2]; 1847 UINT8 *p_cond = condition_buf; /* points to the condition to pass to HCI */ 1848 1849 #if (BTM_INQ_DEBUG == TRUE) 1850 BTM_TRACE_DEBUG ("btm_set_inq_event_filter: filter type %d [Clear-0, COD-1, BDADDR-2]", 1851 filter_cond_type); 1852 BTM_TRACE_DEBUG (" condition [%02x%02x%02x %02x%02x%02x]", 1853 p_filt_cond->bdaddr_cond[0], p_filt_cond->bdaddr_cond[1], p_filt_cond->bdaddr_cond[2], 1854 p_filt_cond->bdaddr_cond[3], p_filt_cond->bdaddr_cond[4], p_filt_cond->bdaddr_cond[5]); 1855 #endif 1856 1857 /* Load the correct filter condition to pass to the lower layer */ 1858 switch (filter_cond_type) 1859 { 1860 case BTM_FILTER_COND_DEVICE_CLASS: 1861 /* copy the device class and device class fields into contiguous memory to send to HCI */ 1862 memcpy (condition_buf, p_filt_cond->cod_cond.dev_class, DEV_CLASS_LEN); 1863 memcpy (&condition_buf[DEV_CLASS_LEN], 1864 p_filt_cond->cod_cond.dev_class_mask, DEV_CLASS_LEN); 1865 1866 /* condition length should already be set as the default */ 1867 break; 1868 1869 case BTM_FILTER_COND_BD_ADDR: 1870 p_cond = p_filt_cond->bdaddr_cond; 1871 1872 /* condition length should already be set as the default */ 1873 break; 1874 1875 case BTM_CLR_INQUIRY_FILTER: 1876 condition_length = 0; 1877 break; 1878 1879 default: 1880 return (BTM_ILLEGAL_VALUE); /* Bad parameter was passed in */ 1881 } 1882 1883 btm_cb.btm_inq_vars.inqfilt_active = TRUE; 1884 1885 /* Filter the inquiry results for the specified condition type and value */ 1886 if (btsnd_hcic_set_event_filter(HCI_FILTER_INQUIRY_RESULT, filter_cond_type, 1887 p_cond, condition_length)) 1888 1889 return (BTM_CMD_STARTED); 1890 else 1891 return (BTM_NO_RESOURCES); 1892 } 1893 1894 1895 /******************************************************************************* 1896 ** 1897 ** Function btm_event_filter_complete 1898 ** 1899 ** Description This function is called when a set event filter has completed. 1900 ** Note: This routine currently only handles inquiry filters. 1901 ** Connection filters are ignored for now. 1902 ** 1903 ** Returns void 1904 ** 1905 *******************************************************************************/ 1906 void btm_event_filter_complete (UINT8 *p) 1907 { 1908 UINT8 hci_status; 1909 tBTM_STATUS status; 1910 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 1911 tBTM_CMPL_CB *p_cb = p_inq->p_inqfilter_cmpl_cb; 1912 1913 #if (BTM_INQ_DEBUG == TRUE) 1914 BTM_TRACE_DEBUG ("btm_event_filter_complete: inq_active:0x%x state:%d inqfilt_active:%d", 1915 btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state, btm_cb.btm_inq_vars.inqfilt_active); 1916 #endif 1917 /* If the filter complete event is from an old or cancelled request, ignore it */ 1918 if(p_inq->pending_filt_complete_event) 1919 { 1920 p_inq->pending_filt_complete_event--; 1921 return; 1922 } 1923 1924 /* Only process the inquiry filter; Ignore the connection filter until it 1925 is used by the upper layers */ 1926 if (p_inq->inqfilt_active == TRUE ) 1927 { 1928 /* Extract the returned status from the buffer */ 1929 STREAM_TO_UINT8 (hci_status, p); 1930 if (hci_status != HCI_SUCCESS) 1931 { 1932 /* If standalone operation, return the error status; if embedded in the inquiry, continue the inquiry */ 1933 BTM_TRACE_WARNING ("BTM Warning: Set Event Filter Failed (HCI returned 0x%x)", hci_status); 1934 status = BTM_ERR_PROCESSING; 1935 } 1936 else 1937 status = BTM_SUCCESS; 1938 1939 /* If the set filter was initiated externally (via BTM_SetInqEventFilter), call the 1940 callback function to notify the initiator that it has completed */ 1941 if (p_inq->state == BTM_INQ_INACTIVE_STATE) 1942 { 1943 p_inq->inqfilt_active = FALSE; 1944 if (p_cb) 1945 (*p_cb) (&status); 1946 } 1947 else /* An inquiry is active (the set filter command was internally generated), 1948 process the next state of the process (Set a new filter or start the inquiry). */ 1949 { 1950 if(status != BTM_SUCCESS) 1951 { 1952 /* Process the inquiry complete (Error Status) */ 1953 btm_process_inq_complete (BTM_ERR_PROCESSING, (UINT8)(p_inq->inqparms.mode & BTM_BR_INQUIRY_MASK)); 1954 1955 /* btm_process_inq_complete() does not restore the following settings on periodic inquiry */ 1956 p_inq->inqfilt_active = FALSE; 1957 p_inq->inq_active = BTM_INQUIRY_INACTIVE; 1958 p_inq->state = BTM_INQ_INACTIVE_STATE; 1959 1960 return; 1961 } 1962 1963 /* Check to see if a new filter needs to be set up */ 1964 if (p_inq->state == BTM_INQ_CLR_FILT_STATE) 1965 { 1966 if ((status = btm_set_inq_event_filter (p_inq->inqparms.filter_cond_type, &p_inq->inqparms.filter_cond)) == BTM_CMD_STARTED) 1967 { 1968 p_inq->state = BTM_INQ_SET_FILT_STATE; 1969 } 1970 else /* Error setting the filter: Call the initiator's callback function to indicate a failure */ 1971 { 1972 p_inq->inqfilt_active = FALSE; 1973 1974 /* Process the inquiry complete (Error Status) */ 1975 btm_process_inq_complete (BTM_ERR_PROCESSING, (UINT8)(p_inq->inqparms.mode & BTM_BR_INQUIRY_MASK)); 1976 } 1977 } 1978 else /* Initiate the Inquiry or Periodic Inquiry */ 1979 { 1980 p_inq->state = BTM_INQ_ACTIVE_STATE; 1981 p_inq->inqfilt_active = FALSE; 1982 btm_initiate_inquiry (p_inq); 1983 } 1984 } 1985 } 1986 } 1987 1988 1989 /******************************************************************************* 1990 ** 1991 ** Function btm_initiate_inquiry 1992 ** 1993 ** Description This function is called to start an inquiry or periodic inquiry 1994 ** upon completion of the setting and/or clearing of the inquiry filter. 1995 ** 1996 ** Inputs: p_inq (btm_cb.btm_inq_vars) - pointer to saved inquiry information 1997 ** mode - GENERAL or LIMITED inquiry 1998 ** duration - length in 1.28 sec intervals (If '0', the inquiry is CANCELLED) 1999 ** max_resps - maximum amount of devices to search for before ending the inquiry 2000 ** filter_cond_type - BTM_CLR_INQUIRY_FILTER, BTM_FILTER_COND_DEVICE_CLASS, or 2001 ** BTM_FILTER_COND_BD_ADDR 2002 ** filter_cond - value for the filter (based on filter_cond_type) 2003 ** 2004 ** Returns If an error occurs the initiator's callback is called with the error status. 2005 ** 2006 *******************************************************************************/ 2007 static void btm_initiate_inquiry (tBTM_INQUIRY_VAR_ST *p_inq) 2008 { 2009 const LAP *lap; 2010 tBTM_INQ_PARMS *p_inqparms = &p_inq->inqparms; 2011 2012 #if (BTM_INQ_DEBUG == TRUE) 2013 BTM_TRACE_DEBUG ("btm_initiate_inquiry: inq_active:0x%x state:%d inqfilt_active:%d", 2014 btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state, btm_cb.btm_inq_vars.inqfilt_active); 2015 #endif 2016 #if (defined(BTM_BUSY_LEVEL_CHANGE_INCLUDED) && BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE) 2017 btm_acl_update_busy_level (BTM_BLI_INQ_EVT); 2018 #endif 2019 2020 if (p_inq->inq_active & BTM_SSP_INQUIRY_ACTIVE) 2021 { 2022 btm_process_inq_complete (BTM_NO_RESOURCES, (UINT8)(p_inqparms->mode & BTM_BR_INQUIRY_MASK)); 2023 return; 2024 } 2025 2026 /* Make sure the number of responses doesn't overflow the database configuration */ 2027 p_inqparms->max_resps = (UINT8)((p_inqparms->max_resps <= BTM_INQ_DB_SIZE) ? p_inqparms->max_resps : BTM_INQ_DB_SIZE); 2028 2029 lap = (p_inq->inq_active & BTM_LIMITED_INQUIRY_ACTIVE) ? &limited_inq_lap : &general_inq_lap; 2030 2031 if (p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE) 2032 { 2033 if (!btsnd_hcic_per_inq_mode (p_inq->per_max_delay, 2034 p_inq->per_min_delay, 2035 *lap, p_inqparms->duration, 2036 p_inqparms->max_resps)) 2037 btm_process_inq_complete (BTM_NO_RESOURCES, (UINT8)(p_inqparms->mode & BTM_BR_INQUIRY_MASK)); 2038 } 2039 else 2040 { 2041 #if BTM_USE_INQ_RESULTS_FILTER == TRUE 2042 btm_clr_inq_result_flt(); 2043 2044 /* Allocate memory to hold bd_addrs responding */ 2045 if ((p_inq->p_bd_db = (tINQ_BDADDR *)GKI_getbuf(GKI_MAX_BUF_SIZE)) != NULL) 2046 { 2047 p_inq->max_bd_entries = (UINT16)(GKI_MAX_BUF_SIZE / sizeof(tINQ_BDADDR)); 2048 memset(p_inq->p_bd_db, 0, GKI_MAX_BUF_SIZE); 2049 /* BTM_TRACE_DEBUG("btm_initiate_inquiry: memory allocated for %d bdaddrs", 2050 p_inq->max_bd_entries); */ 2051 } 2052 2053 if (!btsnd_hcic_inquiry(*lap, p_inqparms->duration, 0)) 2054 #else 2055 if (!btsnd_hcic_inquiry(*lap, p_inqparms->duration, p_inqparms->max_resps)) 2056 #endif /* BTM_USE_INQ_RESULTS_FILTER */ 2057 btm_process_inq_complete (BTM_NO_RESOURCES, (UINT8)(p_inqparms->mode & BTM_BR_INQUIRY_MASK)); 2058 } 2059 } 2060 2061 /******************************************************************************* 2062 ** 2063 ** Function btm_process_inq_results 2064 ** 2065 ** Description This function is called when inquiry results are received from 2066 ** the device. It updates the inquiry database. If the inquiry 2067 ** database is full, the oldest entry is discarded. 2068 ** 2069 ** Parameters inq_res_mode - BTM_INQ_RESULT_STANDARD 2070 ** BTM_INQ_RESULT_WITH_RSSI 2071 ** BTM_INQ_RESULT_EXTENDED 2072 ** 2073 ** Returns void 2074 ** 2075 *******************************************************************************/ 2076 void btm_process_inq_results (UINT8 *p, UINT8 inq_res_mode) 2077 { 2078 UINT8 num_resp, xx; 2079 BD_ADDR bda; 2080 tINQ_DB_ENT *p_i; 2081 tBTM_INQ_RESULTS *p_cur=NULL; 2082 BOOLEAN is_new = TRUE; 2083 BOOLEAN update = FALSE; 2084 INT8 i_rssi; 2085 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 2086 tBTM_INQ_RESULTS_CB *p_inq_results_cb = p_inq->p_inq_results_cb; 2087 UINT8 page_scan_rep_mode = 0; 2088 UINT8 page_scan_per_mode = 0; 2089 UINT8 page_scan_mode = 0; 2090 UINT8 rssi = 0; 2091 DEV_CLASS dc; 2092 UINT16 clock_offset; 2093 #if (BTM_EIR_CLIENT_INCLUDED == TRUE) 2094 UINT8 *p_eir_data = NULL; 2095 #if (BTM_INQ_GET_REMOTE_NAME==TRUE) 2096 UINT8 remote_name_len; 2097 #endif 2098 #endif 2099 2100 #if (BTM_INQ_DEBUG == TRUE) 2101 BTM_TRACE_DEBUG ("btm_process_inq_results inq_active:0x%x state:%d inqfilt_active:%d", 2102 btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state, btm_cb.btm_inq_vars.inqfilt_active); 2103 #endif 2104 /* Only process the results if the BR inquiry is still active */ 2105 if (!(p_inq->inq_active & BTM_BR_INQ_ACTIVE_MASK)) 2106 return; 2107 2108 STREAM_TO_UINT8 (num_resp, p); 2109 2110 for (xx = 0; xx < num_resp; xx++) 2111 { 2112 update = FALSE; 2113 /* Extract inquiry results */ 2114 STREAM_TO_BDADDR (bda, p); 2115 STREAM_TO_UINT8 (page_scan_rep_mode, p); 2116 STREAM_TO_UINT8 (page_scan_per_mode, p); 2117 2118 if (inq_res_mode == BTM_INQ_RESULT_STANDARD) 2119 { 2120 STREAM_TO_UINT8(page_scan_mode, p); 2121 } 2122 2123 STREAM_TO_DEVCLASS (dc, p); 2124 STREAM_TO_UINT16 (clock_offset, p); 2125 if (inq_res_mode != BTM_INQ_RESULT_STANDARD) 2126 { 2127 STREAM_TO_UINT8(rssi, p); 2128 } 2129 2130 p_i = btm_inq_db_find (bda); 2131 2132 #if BTM_USE_INQ_RESULTS_FILTER == TRUE 2133 /* Only process the num_resp is smaller than max_resps. 2134 If results are queued to BTU task while canceling inquiry, 2135 or when more than one result is in this response, > max_resp 2136 responses could be processed which can confuse some apps 2137 */ 2138 if (p_inq->inqparms.max_resps && 2139 p_inq->inq_cmpl_info.num_resp >= p_inq->inqparms.max_resps 2140 #if BLE_INCLUDED == TRUE 2141 /* new device response */ 2142 && ( p_i == NULL || 2143 /* exisiting device with BR/EDR info */ 2144 (p_i && (p_i->inq_info.results.device_type & BT_DEVICE_TYPE_BREDR) != 0) 2145 ) 2146 #endif 2147 2148 ) 2149 { 2150 /* BTM_TRACE_WARNING("INQ RES: Extra Response Received...ignoring"); */ 2151 return; 2152 } 2153 #endif 2154 2155 /* Check if this address has already been processed for this inquiry */ 2156 if (btm_inq_find_bdaddr(bda)) 2157 { 2158 /* BTM_TRACE_DEBUG("BDA seen before [%02x%02x %02x%02x %02x%02x]", 2159 bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]);*/ 2160 /* By default suppose no update needed */ 2161 i_rssi = (INT8)rssi; 2162 2163 /* If this new RSSI is higher than the last one */ 2164 if(p_inq->inqparms.report_dup && (rssi != 0) && 2165 p_i && (i_rssi > p_i->inq_info.results.rssi || p_i->inq_info.results.rssi == 0 2166 #if BLE_INCLUDED == TRUE 2167 /* BR/EDR inquiry information update */ 2168 || (p_i->inq_info.results.device_type & BT_DEVICE_TYPE_BREDR) != 0 2169 #endif 2170 )) 2171 { 2172 p_cur = &p_i->inq_info.results; 2173 BTM_TRACE_DEBUG("update RSSI new:%d, old:%d", i_rssi, p_cur->rssi); 2174 p_cur->rssi = i_rssi; 2175 update = TRUE; 2176 } 2177 /* If we received a second Extended Inq Event for an already */ 2178 /* discovered device, this is because for the first one EIR was not received */ 2179 else if ((inq_res_mode == BTM_INQ_RESULT_EXTENDED) && (p_i)) 2180 { 2181 p_cur = &p_i->inq_info.results; 2182 update = TRUE; 2183 } 2184 /* If no update needed continue with next response (if any) */ 2185 else 2186 continue; 2187 } 2188 2189 /* Host can be registered to verify comming BDA or DC */ 2190 if (btm_cb.p_inq_filter_cb) 2191 { 2192 if (!(* btm_cb.p_inq_filter_cb) (bda, dc)) 2193 { 2194 continue; 2195 } 2196 } 2197 2198 /* If existing entry, use that, else get a new one (possibly reusing the oldest) */ 2199 if (p_i == NULL) 2200 { 2201 p_i = btm_inq_db_new (bda); 2202 is_new = TRUE; 2203 } 2204 2205 /* If an entry for the device already exists, overwrite it ONLY if it is from 2206 a previous inquiry. (Ignore it if it is a duplicate response from the same 2207 inquiry. 2208 */ 2209 else if (p_i->inq_count == p_inq->inq_counter 2210 #if (BLE_INCLUDED == TRUE ) 2211 && (p_i->inq_info.results.device_type & BT_DEVICE_TYPE_BREDR) 2212 #endif 2213 ) 2214 is_new = FALSE; 2215 2216 /* keep updating RSSI to have latest value */ 2217 if( inq_res_mode != BTM_INQ_RESULT_STANDARD ) 2218 p_i->inq_info.results.rssi = (INT8)rssi; 2219 else 2220 p_i->inq_info.results.rssi = BTM_INQ_RES_IGNORE_RSSI; 2221 2222 if (is_new == TRUE) 2223 { 2224 /* Save the info */ 2225 p_cur = &p_i->inq_info.results; 2226 p_cur->page_scan_rep_mode = page_scan_rep_mode; 2227 p_cur->page_scan_per_mode = page_scan_per_mode; 2228 p_cur->page_scan_mode = page_scan_mode; 2229 p_cur->dev_class[0] = dc[0]; 2230 p_cur->dev_class[1] = dc[1]; 2231 p_cur->dev_class[2] = dc[2]; 2232 p_cur->clock_offset = clock_offset | BTM_CLOCK_OFFSET_VALID; 2233 2234 p_i->time_of_resp = GKI_get_tick_count (); 2235 2236 if (p_i->inq_count != p_inq->inq_counter) 2237 p_inq->inq_cmpl_info.num_resp++; /* A new response was found */ 2238 2239 #if (defined BLE_INCLUDED && BLE_INCLUDED == TRUE) 2240 p_cur->inq_result_type = BTM_INQ_RESULT_BR; 2241 if (p_i->inq_count != p_inq->inq_counter) 2242 { 2243 p_cur->device_type = BT_DEVICE_TYPE_BREDR; 2244 p_i->scan_rsp = FALSE; 2245 } 2246 else 2247 p_cur->device_type |= BT_DEVICE_TYPE_BREDR; 2248 #endif 2249 p_i->inq_count = p_inq->inq_counter; /* Mark entry for current inquiry */ 2250 2251 #if BTM_USE_INQ_RESULTS_FILTER == TRUE 2252 /* If the number of responses found and not unlimited, issue a cancel inquiry */ 2253 if (!(p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE) && 2254 p_inq->inqparms.max_resps && 2255 p_inq->inq_cmpl_info.num_resp == p_inq->inqparms.max_resps 2256 #if BLE_INCLUDED == TRUE 2257 /* BLE scanning is active and received adv */ 2258 && ((((p_inq->inqparms.mode & BTM_BLE_INQUIRY_MASK) != 0) && 2259 p_cur->device_type == BT_DEVICE_TYPE_DUMO && p_i->scan_rsp) || 2260 (p_inq->inqparms.mode & BTM_BLE_INQUIRY_MASK) == 0) 2261 #endif 2262 ) 2263 { 2264 /* BTM_TRACE_DEBUG("BTMINQ: Found devices, cancelling inquiry..."); */ 2265 btsnd_hcic_inq_cancel(); 2266 2267 #if BLE_INCLUDED == TRUE 2268 if ((p_inq->inqparms.mode & BTM_BLE_INQUIRY_MASK) != 0) 2269 btm_ble_stop_inquiry(); 2270 #endif 2271 2272 2273 #if (defined(BTM_BUSY_LEVEL_CHANGE_INCLUDED) && BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE) 2274 btm_acl_update_busy_level (BTM_BLI_INQ_DONE_EVT); 2275 #endif 2276 } 2277 #endif 2278 /* Initialize flag to FALSE. This flag is set/used by application */ 2279 p_i->inq_info.appl_knows_rem_name = FALSE; 2280 } 2281 2282 if (is_new || update) 2283 { 2284 #if (BTM_INQ_GET_REMOTE_NAME==TRUE) 2285 #if (BTM_EIR_CLIENT_INCLUDED == TRUE) 2286 if( inq_res_mode == BTM_INQ_RESULT_EXTENDED ) 2287 { 2288 if((p_eir_data = BTM_CheckEirData( p, BTM_EIR_COMPLETE_LOCAL_NAME_TYPE, 2289 &remote_name_len )) == NULL) 2290 { 2291 p_eir_data = BTM_CheckEirData( p, BTM_EIR_SHORTENED_LOCAL_NAME_TYPE, 2292 &remote_name_len ); 2293 } 2294 2295 if( p_eir_data ) 2296 { 2297 if( remote_name_len > BTM_MAX_REM_BD_NAME_LEN ) 2298 remote_name_len = BTM_MAX_REM_BD_NAME_LEN; 2299 2300 p_i->inq_info.remote_name_len = remote_name_len; 2301 memcpy( p_i->inq_info.remote_name, p_eir_data, p_i->inq_info.remote_name_len ); 2302 p_i->inq_info.remote_name[p_i->inq_info.remote_name_len] = 0; 2303 p_i->inq_info.remote_name_state = BTM_INQ_RMT_NAME_DONE; 2304 } 2305 else 2306 p_i->inq_info.remote_name_state = BTM_INQ_RMT_NAME_EMPTY; 2307 } 2308 else 2309 #endif 2310 { 2311 /* Clear out the device name so that it can be re-read */ 2312 p_i->inq_info.remote_name_state = BTM_INQ_RMT_NAME_EMPTY; 2313 } 2314 #endif /*(BTM_INQ_GET_REMOTE_NAME==TRUE)*/ 2315 2316 #if (BTM_EIR_CLIENT_INCLUDED == TRUE) 2317 if( inq_res_mode == BTM_INQ_RESULT_EXTENDED ) 2318 { 2319 memset( p_cur->eir_uuid, 0, 2320 BTM_EIR_SERVICE_ARRAY_SIZE * (BTM_EIR_ARRAY_BITS/8)); 2321 /* set bit map of UUID list from received EIR */ 2322 btm_set_eir_uuid( p, p_cur ); 2323 p_eir_data = p; 2324 } 2325 else 2326 p_eir_data = NULL; 2327 #endif 2328 2329 /* If a callback is registered, call it with the results */ 2330 if (p_inq_results_cb) 2331 #if (BTM_EIR_CLIENT_INCLUDED == TRUE) 2332 (p_inq_results_cb)((tBTM_INQ_RESULTS *) p_cur, p_eir_data); 2333 #else 2334 (p_inq_results_cb)((tBTM_INQ_RESULTS *) p_cur, NULL); 2335 #endif 2336 2337 /* If anyone is registered for change notifications, then tell him we added an entry. */ 2338 if (p_inq->p_inq_change_cb) 2339 (*p_inq->p_inq_change_cb) (&p_i->inq_info, TRUE); 2340 } 2341 } 2342 } 2343 2344 /******************************************************************************* 2345 ** 2346 ** Function btm_sort_inq_result 2347 ** 2348 ** Description This function is called when inquiry complete is received 2349 ** from the device to sort inquiry results based on rssi. 2350 ** 2351 ** Returns void 2352 ** 2353 *******************************************************************************/ 2354 void btm_sort_inq_result(void) 2355 { 2356 UINT8 xx, yy, num_resp; 2357 tINQ_DB_ENT *p_tmp = NULL; 2358 tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db; 2359 tINQ_DB_ENT *p_next = btm_cb.btm_inq_vars.inq_db+1; 2360 int size; 2361 2362 num_resp = (btm_cb.btm_inq_vars.inq_cmpl_info.num_resp<BTM_INQ_DB_SIZE)? 2363 btm_cb.btm_inq_vars.inq_cmpl_info.num_resp: BTM_INQ_DB_SIZE; 2364 2365 if((p_tmp = (tINQ_DB_ENT *)GKI_getbuf(sizeof(tINQ_DB_ENT))) != NULL) 2366 { 2367 size = sizeof(tINQ_DB_ENT); 2368 for(xx = 0; xx < num_resp-1; xx++, p_ent++) 2369 { 2370 for(yy = xx+1, p_next = p_ent+1; yy < num_resp; yy++, p_next++) 2371 { 2372 if(p_ent->inq_info.results.rssi < p_next->inq_info.results.rssi) 2373 { 2374 memcpy (p_tmp, p_next, size); 2375 memcpy (p_next, p_ent, size); 2376 memcpy (p_ent, p_tmp, size); 2377 } 2378 } 2379 } 2380 2381 GKI_freebuf(p_tmp); 2382 } 2383 } 2384 2385 /******************************************************************************* 2386 ** 2387 ** Function btm_process_inq_complete 2388 ** 2389 ** Description This function is called when inquiry complete is received 2390 ** from the device. Call the callback if not in periodic inquiry 2391 ** mode AND it is not NULL (The caller wants the event). 2392 ** 2393 ** The callback pass back the status and the number of responses 2394 ** 2395 ** Returns void 2396 ** 2397 *******************************************************************************/ 2398 void btm_process_inq_complete (UINT8 status, UINT8 mode) 2399 { 2400 tBTM_CMPL_CB *p_inq_cb = btm_cb.btm_inq_vars.p_inq_cmpl_cb; 2401 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 2402 2403 #if (BTM_INQ_GET_REMOTE_NAME==TRUE) 2404 tBTM_INQ_INFO *p_cur; 2405 UINT8 tempstate; 2406 #endif 2407 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) 2408 /* inquiry inactive case happens when inquiry is cancelled. 2409 Make mode 0 for no further inquiries from the current inquiry process 2410 */ 2411 if(status!=HCI_SUCCESS || p_inq->next_state==BTM_FINISH || !p_inq->inq_active) 2412 { 2413 /* re-initialize for next inquiry request */ 2414 p_inq->next_state=BTM_BR_ONE; 2415 /* make the mode 0 here */ 2416 p_inq->inqparms.mode &= ~(p_inq->inqparms.mode); 2417 2418 } 2419 #endif 2420 2421 #if (!defined(BTA_HOST_INTERLEAVE_SEARCH) || BTA_HOST_INTERLEAVE_SEARCH == FALSE) 2422 p_inq->inqparms.mode &= ~(mode); 2423 #endif 2424 2425 if(p_inq->scan_type == INQ_LE_OBSERVE && !p_inq->inq_active) 2426 { 2427 /*end of LE observe*/ 2428 p_inq->p_inq_ble_results_cb = (tBTM_INQ_RESULTS_CB *) NULL; 2429 p_inq->p_inq_ble_cmpl_cb = (tBTM_CMPL_CB *) NULL; 2430 p_inq->scan_type=INQ_NONE; 2431 } 2432 2433 2434 #if (BTM_INQ_DEBUG == TRUE) 2435 BTM_TRACE_DEBUG ("btm_process_inq_complete inq_active:0x%x state:%d inqfilt_active:%d", 2436 btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state, btm_cb.btm_inq_vars.inqfilt_active); 2437 #endif 2438 #if (defined(BTM_BUSY_LEVEL_CHANGE_INCLUDED) && BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE) 2439 btm_acl_update_busy_level (BTM_BLI_INQ_DONE_EVT); 2440 #endif 2441 /* Ignore any stray or late complete messages if the inquiry is not active */ 2442 if (p_inq->inq_active) 2443 { 2444 p_inq->inq_cmpl_info.status = (tBTM_STATUS)((status == HCI_SUCCESS) ? BTM_SUCCESS : BTM_ERR_PROCESSING); 2445 2446 #if (BTM_INQ_GET_REMOTE_NAME==TRUE) 2447 if (p_inq->inq_cmpl_info.status == BTM_SUCCESS) 2448 { 2449 for (p_cur = BTM_InqDbFirst(); p_cur; p_cur = BTM_InqDbNext (p_cur)) 2450 { 2451 if (p_cur->remote_name_state == BTM_INQ_RMT_NAME_EMPTY) 2452 { 2453 tempstate = p_cur->remote_name_state; 2454 p_cur->remote_name_state = BTM_INQ_RMT_NAME_PENDING; 2455 2456 if (btm_initiate_rem_name (p_cur->results.remote_bd_addr, 2457 p_cur, BTM_RMT_NAME_INQ, 2458 BTM_INQ_RMT_NAME_TIMEOUT, NULL) != BTM_CMD_STARTED) 2459 p_cur->remote_name_state = tempstate; 2460 else 2461 return; 2462 } 2463 } 2464 } 2465 #endif 2466 2467 /* Notify caller that the inquiry has completed; (periodic inquiries do not send completion events */ 2468 if (!(p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE) && p_inq->inqparms.mode == 0) 2469 { 2470 p_inq->state = BTM_INQ_INACTIVE_STATE; 2471 2472 /* Increment so the start of a next inquiry has a new count */ 2473 p_inq->inq_counter++; 2474 2475 btm_clr_inq_result_flt(); 2476 2477 if((p_inq->inq_cmpl_info.status == BTM_SUCCESS) && 2478 HCI_LMP_INQ_RSSI_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0])) 2479 { 2480 btm_sort_inq_result(); 2481 } 2482 2483 /* Clear the results callback if set */ 2484 p_inq->p_inq_results_cb = (tBTM_INQ_RESULTS_CB *) NULL; 2485 p_inq->inq_active = BTM_INQUIRY_INACTIVE; 2486 p_inq->p_inq_cmpl_cb = (tBTM_CMPL_CB *) NULL; 2487 2488 /* If we have a callback registered for inquiry complete, call it */ 2489 BTM_TRACE_DEBUG ("BTM Inq Compl Callback: status 0x%02x, num results %d", 2490 p_inq->inq_cmpl_info.status, p_inq->inq_cmpl_info.num_resp); 2491 2492 if (p_inq_cb) 2493 (p_inq_cb)((tBTM_INQUIRY_CMPL *) &p_inq->inq_cmpl_info); 2494 } 2495 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) 2496 if(p_inq->inqparms.mode != 0 && !(p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE)) 2497 { 2498 /* make inquiry inactive for next iteration */ 2499 p_inq->inq_active = BTM_INQUIRY_INACTIVE; 2500 /* call the inquiry again */ 2501 BTM_StartInquiry(&p_inq->inqparms,p_inq->p_inq_results_cb,p_inq->p_inq_cmpl_cb); 2502 } 2503 #endif 2504 } 2505 if(p_inq->inqparms.mode == 0 && p_inq->scan_type == INQ_GENERAL)//this inquiry is complete 2506 { 2507 p_inq->scan_type = INQ_NONE; 2508 #if (defined BLE_INCLUDED && BLE_INCLUDED == TRUE) 2509 /* check if the LE observe is pending */ 2510 if(p_inq->p_inq_ble_results_cb != NULL) 2511 { 2512 BTM_TRACE_DEBUG("BTM Inq Compl: resuming a pending LE scan"); 2513 BTM_BleObserve(1,0, p_inq->p_inq_ble_results_cb, p_inq->p_inq_ble_cmpl_cb); 2514 } 2515 #endif 2516 } 2517 #if (BTM_INQ_DEBUG == TRUE) 2518 BTM_TRACE_DEBUG ("inq_active:0x%x state:%d inqfilt_active:%d", 2519 btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state, btm_cb.btm_inq_vars.inqfilt_active); 2520 #endif 2521 } 2522 2523 /******************************************************************************* 2524 ** 2525 ** Function btm_process_cancel_complete 2526 ** 2527 ** Description This function is called when inquiry cancel complete is received 2528 ** from the device.This function will also call the btm_process_inq_complete 2529 ** This function is needed to differentiate a cancel_cmpl_evt from the 2530 ** inq_cmpl_evt 2531 ** 2532 ** Returns void 2533 ** 2534 *******************************************************************************/ 2535 void btm_process_cancel_complete(UINT8 status, UINT8 mode) 2536 { 2537 #if (defined(BTM_BUSY_LEVEL_CHANGE_INCLUDED) && BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE) 2538 btm_acl_update_busy_level (BTM_BLI_INQ_CANCEL_EVT); 2539 #endif 2540 btm_process_inq_complete(status, mode); 2541 } 2542 /******************************************************************************* 2543 ** 2544 ** Function btm_initiate_rem_name 2545 ** 2546 ** Description This function looks initiates a remote name request. It is called 2547 ** either by GAP or by the API call BTM_ReadRemoteDeviceName. 2548 ** 2549 ** Input Params: p_cur - pointer to an inquiry result structure (NULL if nonexistent) 2550 ** p_cb - callback function called when BTM_CMD_STARTED 2551 ** is returned. 2552 ** A pointer to tBTM_REMOTE_DEV_NAME is passed to the 2553 ** callback. 2554 ** 2555 ** Returns 2556 ** BTM_CMD_STARTED is returned if the request was sent to HCI. 2557 ** BTM_BUSY if already in progress 2558 ** BTM_NO_RESOURCES if could not allocate resources to start the command 2559 ** BTM_WRONG_MODE if the device is not up. 2560 ** 2561 *******************************************************************************/ 2562 tBTM_STATUS btm_initiate_rem_name (BD_ADDR remote_bda, tBTM_INQ_INFO *p_cur, 2563 UINT8 origin, UINT32 timeout, tBTM_CMPL_CB *p_cb) 2564 { 2565 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 2566 BOOLEAN cmd_ok; 2567 2568 2569 /*** Make sure the device is ready ***/ 2570 if (!BTM_IsDeviceUp()) 2571 return (BTM_WRONG_MODE); 2572 2573 2574 if (origin == BTM_RMT_NAME_SEC) 2575 { 2576 cmd_ok = btsnd_hcic_rmt_name_req (remote_bda, HCI_PAGE_SCAN_REP_MODE_R1, 2577 HCI_MANDATARY_PAGE_SCAN_MODE, 0); 2578 if (cmd_ok) 2579 return BTM_CMD_STARTED; 2580 else 2581 return BTM_NO_RESOURCES; 2582 } 2583 /* Make sure there are no two remote name requests from external API in progress */ 2584 else if (origin == BTM_RMT_NAME_EXT) 2585 { 2586 if (p_inq->remname_active) 2587 { 2588 return (BTM_BUSY); 2589 } 2590 else 2591 { 2592 /* If there is no remote name request running,call the callback function and start timer */ 2593 p_inq->p_remname_cmpl_cb = p_cb; 2594 memcpy(p_inq->remname_bda, remote_bda, BD_ADDR_LEN); 2595 btu_start_timer (&p_inq->rmt_name_timer_ent, 2596 BTU_TTYPE_BTM_RMT_NAME, 2597 timeout); 2598 2599 /* If the database entry exists for the device, use its clock offset */ 2600 if (p_cur) 2601 { 2602 cmd_ok = btsnd_hcic_rmt_name_req (remote_bda, 2603 p_cur->results.page_scan_rep_mode, 2604 p_cur->results.page_scan_mode, 2605 (UINT16)(p_cur->results.clock_offset | 2606 BTM_CLOCK_OFFSET_VALID)); 2607 } 2608 else /* Otherwise use defaults and mark the clock offset as invalid */ 2609 { 2610 cmd_ok = btsnd_hcic_rmt_name_req (remote_bda, HCI_PAGE_SCAN_REP_MODE_R1, 2611 HCI_MANDATARY_PAGE_SCAN_MODE, 0); 2612 } 2613 if (cmd_ok) 2614 { 2615 p_inq->remname_active = TRUE; 2616 return BTM_CMD_STARTED; 2617 } 2618 else 2619 return BTM_NO_RESOURCES; 2620 } 2621 } 2622 /* If the inquire feature is on */ 2623 #if (BTM_INQ_GET_REMOTE_NAME==TRUE) 2624 2625 else if (origin == BTM_RMT_NAME_INQ) 2626 { 2627 /* If the database entry exists for the device, use its clock offset */ 2628 if (p_cur) 2629 { 2630 cmd_ok = btsnd_hcic_rmt_name_req (remote_bda, 2631 p_cur->results.page_scan_rep_mode, 2632 p_cur->results.page_scan_mode, 2633 (UINT16)(p_cur->results.clock_offset | 2634 BTM_CLOCK_OFFSET_VALID)); 2635 } 2636 else 2637 { 2638 cmd_ok = FALSE 2639 } 2640 2641 if (cmd_ok) 2642 return BTM_CMD_STARTED; 2643 else 2644 return BTM_NO_RESOURCES; 2645 } 2646 #endif 2647 else 2648 { 2649 2650 return BTM_ILLEGAL_VALUE; 2651 2652 2653 } 2654 2655 2656 } 2657 2658 /******************************************************************************* 2659 ** 2660 ** Function btm_process_remote_name 2661 ** 2662 ** Description This function is called when a remote name is received from 2663 ** the device. If remote names are cached, it updates the inquiry 2664 ** database. 2665 ** 2666 ** Returns void 2667 ** 2668 *******************************************************************************/ 2669 void btm_process_remote_name (BD_ADDR bda, BD_NAME bdn, UINT16 evt_len, UINT8 hci_status) 2670 { 2671 tBTM_REMOTE_DEV_NAME rem_name; 2672 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; 2673 tBTM_CMPL_CB *p_cb = p_inq->p_remname_cmpl_cb; 2674 UINT8 *p_n1; 2675 2676 UINT16 temp_evt_len; 2677 2678 #if (BTM_INQ_GET_REMOTE_NAME==TRUE) 2679 /*** These are only used if part of the Inquiry Process ***/ 2680 tBTM_CMPL_CB *p_inq_cb; 2681 tINQ_DB_ENT *p_i = NULL; 2682 UINT8 *p_n; 2683 tBTM_INQ_INFO *p_cur; 2684 #endif 2685 2686 if (bda != NULL) 2687 { 2688 BTM_TRACE_EVENT("BDA %02x:%02x:%02x:%02x:%02x:%02x",bda[0], bda[1], 2689 bda[2], bda[3], 2690 bda[4], bda[5]); 2691 } 2692 2693 BTM_TRACE_EVENT("Inquire BDA %02x:%02x:%02x:%02x:%02x:%02x",p_inq->remname_bda[0], p_inq->remname_bda[1], 2694 p_inq->remname_bda[2], p_inq->remname_bda[3], 2695 p_inq->remname_bda[4], p_inq->remname_bda[5]); 2696 2697 2698 2699 /* If the inquire BDA and remote DBA are the same, then stop the timer and set the active to false */ 2700 if ((p_inq->remname_active ==TRUE)&& 2701 (((bda != NULL) && 2702 (memcmp(bda, p_inq->remname_bda,BD_ADDR_LEN)==0)) || bda == NULL)) 2703 2704 { 2705 #if BLE_INCLUDED == TRUE 2706 if (BTM_UseLeLink(p_inq->remname_bda)) 2707 { 2708 if (hci_status == HCI_ERR_UNSPECIFIED) 2709 btm_ble_cancel_remote_name(p_inq->remname_bda); 2710 } 2711 #endif 2712 btu_stop_timer (&p_inq->rmt_name_timer_ent); 2713 p_inq->remname_active = FALSE; 2714 /* Clean up and return the status if the command was not successful */ 2715 /* Note: If part of the inquiry, the name is not stored, and the */ 2716 /* inquiry complete callback is called. */ 2717 2718 if ((hci_status == HCI_SUCCESS)) 2719 { 2720 /* Copy the name from the data stream into the return structure */ 2721 /* Note that even if it is not being returned, it is used as a */ 2722 /* temporary buffer. */ 2723 p_n1 = (UINT8 *)rem_name.remote_bd_name; 2724 rem_name.length = (evt_len < BD_NAME_LEN) ? evt_len : BD_NAME_LEN; 2725 rem_name.remote_bd_name[rem_name.length] = 0; 2726 rem_name.status = BTM_SUCCESS; 2727 temp_evt_len = rem_name.length; 2728 2729 while (temp_evt_len > 0) 2730 { 2731 *p_n1++ = *bdn++; 2732 temp_evt_len--; 2733 } 2734 rem_name.remote_bd_name[rem_name.length] = 0; 2735 } 2736 2737 2738 /* If processing a stand alone remote name then report the error in the callback */ 2739 else 2740 { 2741 rem_name.status = BTM_BAD_VALUE_RET; 2742 rem_name.length = 0; 2743 rem_name.remote_bd_name[0] = 0; 2744 } 2745 /* Reset the remote BAD to zero and call callback if possible */ 2746 memset(p_inq->remname_bda, 0, BD_ADDR_LEN); 2747 2748 p_inq->p_remname_cmpl_cb = NULL; 2749 if (p_cb) 2750 (p_cb)((tBTM_REMOTE_DEV_NAME *)&rem_name); 2751 } 2752 2753 2754 #if (BTM_INQ_GET_REMOTE_NAME==TRUE) 2755 /* If existing entry, update the name */ 2756 if ((bda != NULL) && ((p_i = btm_inq_db_find (bda)) != NULL) 2757 && (hci_status == HCI_SUCCESS)) 2758 { 2759 p_i->inq_info.remote_name_state = BTM_INQ_RMT_NAME_DONE; 2760 p_n = p_i->inq_info.remote_name; 2761 memset(p_n, 0, BTM_MAX_REM_BD_NAME_LEN + 1); 2762 p_i->inq_info.remote_name_len = (rem_name.length < BTM_MAX_REM_BD_NAME_LEN) ? 2763 rem_name.length : BTM_MAX_REM_BD_NAME_LEN; 2764 evt_len = p_i->inq_info.remote_name_len; 2765 p_n1 = (UINT8 *)rem_name.remote_bd_name; 2766 while (evt_len > 0) 2767 { 2768 *p_n++ = *p_n1++; 2769 evt_len--; 2770 } 2771 2772 if (btm_cb.btm_inq_vars.p_inq_change_cb) 2773 (*btm_cb.btm_inq_vars.p_inq_change_cb) (&p_i->inq_info, TRUE); 2774 } 2775 else 2776 { 2777 if (p_i) 2778 p_i->inq_info.remote_name_state = BTM_INQ_RMT_NAME_FAILED; 2779 else 2780 { 2781 /* Find the entry which is currently doing name request */ 2782 for (p_cur = BTM_InqDbFirst(); p_cur; p_cur = BTM_InqDbNext (p_cur)) 2783 { 2784 if (p_cur->remote_name_state == BTM_INQ_RMT_NAME_PENDING) 2785 { 2786 /* Should be only one */ 2787 p_cur->remote_name_state = BTM_INQ_RMT_NAME_FAILED; 2788 break; 2789 } 2790 } 2791 } 2792 } 2793 2794 /* If an inquiry is in progress then update other entries */ 2795 if (p_inq->inq_active) 2796 { 2797 /* Check if there are any more entries inquired but not named */ 2798 for (p_cur = BTM_InqDbFirst(); p_cur; p_cur = BTM_InqDbNext (p_cur)) 2799 { 2800 if (p_cur->remote_name_state == BTM_INQ_RMT_NAME_EMPTY) 2801 { 2802 p_cur->remote_name_state = BTM_INQ_RMT_NAME_PENDING; 2803 #if (BLE_INCLUDED == TRUE) 2804 if (BTM_UseLeLink(remote_bda)) 2805 { 2806 if (btm_ble_read_remote_name(remote_bda, p_cur, p_cb) != BTM_CMD_STARTED) 2807 p_cur->remote_name_state = BTM_INQ_RMT_NAME_FAILED; 2808 else 2809 return; 2810 } 2811 else 2812 #endif 2813 { 2814 if (btm_initiate_rem_name (p_cur->results.remote_bd_addr, 2815 p_cur, BTM_RMT_NAME_INQ, 2816 BTM_INQ_RMT_NAME_TIMEOUT, NULL) != BTM_CMD_STARTED) 2817 p_cur->remote_name_state = BTM_INQ_RMT_NAME_FAILED; 2818 else 2819 return; 2820 } 2821 } 2822 } 2823 2824 /* The inquiry has finished so call the callback for the inquiry */ 2825 p_inq_cb = p_inq->p_inq_cmpl_cb; 2826 p_inq->state = BTM_INQ_INACTIVE_STATE; 2827 p_inq->inq_active = BTM_INQUIRY_INACTIVE; 2828 p_inq->p_inq_cmpl_cb = NULL; 2829 2830 /* If we have a callback registered for inquiry complete, call it */ 2831 if (p_inq_cb) 2832 (p_inq_cb)((tBTM_INQUIRY_CMPL *) &p_inq->inq_cmpl_info); 2833 2834 /* In some cases we can not get name of the device once but will be */ 2835 /* able to do it next time. Until we have better solution we will */ 2836 /* try to get name every time */ 2837 for (p_cur = BTM_InqDbFirst(); p_cur; p_cur = BTM_InqDbNext (p_cur)) 2838 { 2839 if (p_cur->remote_name_state == BTM_INQ_RMT_NAME_FAILED) 2840 p_cur->remote_name_state = BTM_INQ_RMT_NAME_EMPTY; 2841 } 2842 } 2843 #endif /* BTM_INQ_GET_REMOTE_NAME == TRUE */ 2844 } 2845 2846 /******************************************************************************* 2847 ** 2848 ** Function btm_inq_rmt_name_failed 2849 ** 2850 ** Description This function is if timeout expires while getting remote 2851 ** name. This is done for devices that incorrectly do not 2852 ** report operation failure 2853 ** 2854 ** Returns void 2855 ** 2856 *******************************************************************************/ 2857 void btm_inq_rmt_name_failed (void) 2858 { 2859 BTM_TRACE_ERROR ("btm_inq_rmt_name_failed() remname_active=%d", btm_cb.btm_inq_vars.remname_active); 2860 2861 if (btm_cb.btm_inq_vars.remname_active) 2862 btm_process_remote_name (btm_cb.btm_inq_vars.remname_bda, NULL, 0, HCI_ERR_UNSPECIFIED); 2863 else 2864 btm_process_remote_name (NULL, NULL, 0, HCI_ERR_UNSPECIFIED); 2865 2866 btm_sec_rmt_name_request_complete (NULL, NULL, HCI_ERR_UNSPECIFIED); 2867 } 2868 /******************************************************************************* 2869 ** 2870 ** Function btm_read_linq_tx_power_complete 2871 ** 2872 ** Description read inquiry tx power level complete callback function. 2873 ** 2874 ** Returns void 2875 ** 2876 *******************************************************************************/ 2877 void btm_read_linq_tx_power_complete(UINT8 *p) 2878 { 2879 tBTM_CMPL_CB *p_cb = btm_cb.devcb.p_txpwer_cmpl_cb; 2880 tBTM_INQ_TXPWR_RESULTS results; 2881 2882 btu_stop_timer (&btm_cb.devcb.txpwer_timer); 2883 /* If there was a callback registered for read inq tx power, call it */ 2884 btm_cb.devcb.p_txpwer_cmpl_cb = NULL; 2885 2886 if (p_cb) 2887 { 2888 STREAM_TO_UINT8 (results.hci_status, p); 2889 2890 if (results.hci_status == HCI_SUCCESS) 2891 { 2892 results.status = BTM_SUCCESS; 2893 2894 STREAM_TO_UINT8 (results.tx_power, p); 2895 BTM_TRACE_EVENT ("BTM INQ TX POWER Complete: tx_power %d, hci status 0x%02x", 2896 results.tx_power, results.hci_status); 2897 } 2898 else 2899 results.status = BTM_ERR_PROCESSING; 2900 2901 (*p_cb)(&results); 2902 } 2903 2904 } 2905 /******************************************************************************* 2906 ** 2907 ** Function BTM_WriteEIR 2908 ** 2909 ** Description This function is called to write EIR data to controller. 2910 ** 2911 ** Parameters p_buff - allocated HCI command buffer including extended 2912 ** inquriry response 2913 ** 2914 ** Returns BTM_SUCCESS - if successful 2915 ** BTM_MODE_UNSUPPORTED - if local device cannot support it 2916 ** 2917 *******************************************************************************/ 2918 tBTM_STATUS BTM_WriteEIR( BT_HDR *p_buff ) 2919 { 2920 #if (BTM_EIR_SERVER_INCLUDED == TRUE) 2921 if (HCI_EXT_INQ_RSP_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0])) 2922 { 2923 BTM_TRACE_API("Write Extended Inquiry Response to controller"); 2924 btsnd_hcic_write_ext_inquiry_response (p_buff, BTM_EIR_DEFAULT_FEC_REQUIRED); 2925 return BTM_SUCCESS; 2926 } 2927 else 2928 { 2929 GKI_freebuf(p_buff); 2930 return BTM_MODE_UNSUPPORTED; 2931 } 2932 #else 2933 GKI_freebuf(p_buff); 2934 return BTM_SUCCESS; 2935 #endif 2936 } 2937 2938 /******************************************************************************* 2939 ** 2940 ** Function BTM_CheckEirData 2941 ** 2942 ** Description This function is called to get EIR data from significant part. 2943 ** 2944 ** Parameters p_eir - pointer of EIR significant part 2945 ** type - finding EIR data type 2946 ** p_length - return the length of EIR data not including type 2947 ** 2948 ** Returns pointer of EIR data 2949 ** 2950 *******************************************************************************/ 2951 UINT8 *BTM_CheckEirData( UINT8 *p_eir, UINT8 type, UINT8 *p_length ) 2952 { 2953 #if (BTM_EIR_CLIENT_INCLUDED == TRUE) 2954 UINT8 *p = p_eir; 2955 UINT8 length; 2956 UINT8 eir_type; 2957 BTM_TRACE_API("BTM_CheckEirData type=0x%02X", type); 2958 2959 STREAM_TO_UINT8(length, p); 2960 while( length && (p - p_eir <= HCI_EXT_INQ_RESPONSE_LEN)) 2961 { 2962 STREAM_TO_UINT8(eir_type, p); 2963 if( eir_type == type ) 2964 { 2965 /* length doesn't include itself */ 2966 *p_length = length - 1; /* minus the length of type */ 2967 return p; 2968 } 2969 p += length - 1; /* skip the length of data */ 2970 STREAM_TO_UINT8(length, p); 2971 } 2972 2973 *p_length = 0; 2974 return NULL; 2975 #else 2976 return NULL; 2977 #endif 2978 } 2979 2980 /******************************************************************************* 2981 ** 2982 ** Function btm_convert_uuid_to_eir_service 2983 ** 2984 ** Description This function is called to get the bit position of UUID. 2985 ** 2986 ** Parameters uuid16 - UUID 16-bit 2987 ** 2988 ** Returns BTM EIR service ID if found 2989 ** BTM_EIR_MAX_SERVICES - if not found 2990 ** 2991 *******************************************************************************/ 2992 #if (( BTM_EIR_CLIENT_INCLUDED == TRUE )||( BTM_EIR_SERVER_INCLUDED == TRUE )) 2993 static UINT8 btm_convert_uuid_to_eir_service( UINT16 uuid16 ) 2994 { 2995 UINT8 xx; 2996 2997 for( xx = 0; xx < BTM_EIR_MAX_SERVICES; xx++ ) 2998 { 2999 if( uuid16 == BTM_EIR_UUID_LKUP_TBL[xx]) 3000 { 3001 return xx; 3002 } 3003 } 3004 return BTM_EIR_MAX_SERVICES; 3005 } 3006 #endif 3007 3008 /******************************************************************************* 3009 ** 3010 ** Function BTM_HasEirService 3011 ** 3012 ** Description This function is called to know if UUID in bit map of UUID. 3013 ** 3014 ** Parameters p_eir_uuid - bit map of UUID list 3015 ** uuid16 - UUID 16-bit 3016 ** 3017 ** Returns TRUE - if found 3018 ** FALSE - if not found 3019 ** 3020 *******************************************************************************/ 3021 BOOLEAN BTM_HasEirService( UINT32 *p_eir_uuid, UINT16 uuid16 ) 3022 { 3023 #if ((BTM_EIR_SERVER_INCLUDED == TRUE)||(BTM_EIR_CLIENT_INCLUDED == TRUE)) 3024 UINT8 service_id; 3025 3026 service_id = btm_convert_uuid_to_eir_service(uuid16); 3027 if( service_id < BTM_EIR_MAX_SERVICES ) 3028 return( BTM_EIR_HAS_SERVICE( p_eir_uuid, service_id )); 3029 else 3030 return( FALSE ); 3031 #else 3032 return( FALSE ); 3033 #endif 3034 } 3035 3036 /******************************************************************************* 3037 ** 3038 ** Function BTM_HasInquiryEirService 3039 ** 3040 ** Description This function is called to know if UUID in bit map of UUID list. 3041 ** 3042 ** Parameters p_results - inquiry results 3043 ** uuid16 - UUID 16-bit 3044 ** 3045 ** Returns BTM_EIR_FOUND - if found 3046 ** BTM_EIR_NOT_FOUND - if not found and it is complete list 3047 ** BTM_EIR_UNKNOWN - if not found and it is not complete list 3048 ** 3049 *******************************************************************************/ 3050 tBTM_EIR_SEARCH_RESULT BTM_HasInquiryEirService( tBTM_INQ_RESULTS *p_results, UINT16 uuid16 ) 3051 { 3052 #if ((BTM_EIR_SERVER_INCLUDED == TRUE)||(BTM_EIR_CLIENT_INCLUDED == TRUE)) 3053 if( BTM_HasEirService( p_results->eir_uuid, uuid16 )) 3054 { 3055 return BTM_EIR_FOUND; 3056 } 3057 else if( p_results->eir_complete_list ) 3058 { 3059 return BTM_EIR_NOT_FOUND; 3060 } 3061 else 3062 return BTM_EIR_UNKNOWN; 3063 #else 3064 return BTM_EIR_UNKNOWN; 3065 #endif 3066 } 3067 3068 /******************************************************************************* 3069 ** 3070 ** Function BTM_AddEirService 3071 ** 3072 ** Description This function is called to add a service in bit map of UUID list. 3073 ** 3074 ** Parameters p_eir_uuid - bit mask of UUID list for EIR 3075 ** uuid16 - UUID 16-bit 3076 ** 3077 ** Returns None 3078 ** 3079 *******************************************************************************/ 3080 void BTM_AddEirService( UINT32 *p_eir_uuid, UINT16 uuid16 ) 3081 { 3082 #if ((BTM_EIR_SERVER_INCLUDED == TRUE)||(BTM_EIR_CLIENT_INCLUDED == TRUE)) 3083 UINT8 service_id; 3084 3085 service_id = btm_convert_uuid_to_eir_service(uuid16); 3086 if( service_id < BTM_EIR_MAX_SERVICES ) 3087 BTM_EIR_SET_SERVICE( p_eir_uuid, service_id ); 3088 #endif 3089 } 3090 3091 /******************************************************************************* 3092 ** 3093 ** Function BTM_RemoveEirService 3094 ** 3095 ** Description This function is called to remove a service in bit map of UUID list. 3096 ** 3097 ** Parameters p_eir_uuid - bit mask of UUID list for EIR 3098 ** uuid16 - UUID 16-bit 3099 ** 3100 ** Returns None 3101 ** 3102 *******************************************************************************/ 3103 void BTM_RemoveEirService( UINT32 *p_eir_uuid, UINT16 uuid16 ) 3104 { 3105 #if (BTM_EIR_SERVER_INCLUDED == TRUE) 3106 UINT8 service_id; 3107 3108 service_id = btm_convert_uuid_to_eir_service(uuid16); 3109 if( service_id < BTM_EIR_MAX_SERVICES ) 3110 BTM_EIR_CLR_SERVICE( p_eir_uuid, service_id ); 3111 #endif 3112 } 3113 3114 /******************************************************************************* 3115 ** 3116 ** Function BTM_GetEirSupportedServices 3117 ** 3118 ** Description This function is called to get UUID list from bit map of UUID list. 3119 ** 3120 ** Parameters p_eir_uuid - bit mask of UUID list for EIR 3121 ** p - reference of current pointer of EIR 3122 ** max_num_uuid16 - max number of UUID can be written in EIR 3123 ** num_uuid16 - number of UUID have been written in EIR 3124 ** 3125 ** Returns BTM_EIR_MORE_16BITS_UUID_TYPE, if it has more than max 3126 ** BTM_EIR_COMPLETE_16BITS_UUID_TYPE, otherwise 3127 ** 3128 *******************************************************************************/ 3129 UINT8 BTM_GetEirSupportedServices( UINT32 *p_eir_uuid, UINT8 **p, 3130 UINT8 max_num_uuid16, UINT8 *p_num_uuid16) 3131 { 3132 #if (BTM_EIR_SERVER_INCLUDED == TRUE) 3133 UINT8 service_index; 3134 3135 *p_num_uuid16 = 0; 3136 3137 for(service_index = 0; service_index < BTM_EIR_MAX_SERVICES; service_index++) 3138 { 3139 if( BTM_EIR_HAS_SERVICE( p_eir_uuid, service_index )) 3140 { 3141 if( *p_num_uuid16 < max_num_uuid16 ) 3142 { 3143 UINT16_TO_STREAM(*p, BTM_EIR_UUID_LKUP_TBL[service_index]); 3144 (*p_num_uuid16)++; 3145 } 3146 /* if max number of UUIDs are stored and found one more */ 3147 else 3148 { 3149 return BTM_EIR_MORE_16BITS_UUID_TYPE; 3150 } 3151 } 3152 } 3153 return BTM_EIR_COMPLETE_16BITS_UUID_TYPE; 3154 #else 3155 return BTM_EIR_COMPLETE_16BITS_UUID_TYPE; 3156 #endif 3157 } 3158 3159 /******************************************************************************* 3160 ** 3161 ** Function BTM_GetEirUuidList 3162 ** 3163 ** Description This function parses EIR and returns UUID list. 3164 ** 3165 ** Parameters p_eir - EIR 3166 ** uuid_size - LEN_UUID_16, LEN_UUID_32, LEN_UUID_128 3167 ** p_num_uuid - return number of UUID in found list 3168 ** p_uuid_list - return UUID list 3169 ** max_num_uuid - maximum number of UUID to be returned 3170 ** 3171 ** Returns 0 - if not found 3172 ** BTM_EIR_COMPLETE_16BITS_UUID_TYPE 3173 ** BTM_EIR_MORE_16BITS_UUID_TYPE 3174 ** BTM_EIR_COMPLETE_32BITS_UUID_TYPE 3175 ** BTM_EIR_MORE_32BITS_UUID_TYPE 3176 ** BTM_EIR_COMPLETE_128BITS_UUID_TYPE 3177 ** BTM_EIR_MORE_128BITS_UUID_TYPE 3178 ** 3179 *******************************************************************************/ 3180 UINT8 BTM_GetEirUuidList( UINT8 *p_eir, UINT8 uuid_size, UINT8 *p_num_uuid, 3181 UINT8 *p_uuid_list, UINT8 max_num_uuid) 3182 { 3183 #if (BTM_EIR_CLIENT_INCLUDED == TRUE) 3184 UINT8 *p_uuid_data; 3185 UINT8 type; 3186 UINT8 yy, xx; 3187 UINT16 *p_uuid16 = (UINT16 *)p_uuid_list; 3188 UINT32 *p_uuid32 = (UINT32 *)p_uuid_list; 3189 char buff[LEN_UUID_128 * 2 + 1]; 3190 3191 p_uuid_data = btm_eir_get_uuid_list( p_eir, uuid_size, p_num_uuid, &type ); 3192 if( p_uuid_data == NULL ) 3193 { 3194 return 0x00; 3195 } 3196 3197 if( *p_num_uuid > max_num_uuid ) 3198 { 3199 BTM_TRACE_WARNING("BTM_GetEirUuidList number of uuid in EIR = %d, size of uuid list = %d", 3200 *p_num_uuid, max_num_uuid ); 3201 *p_num_uuid = max_num_uuid; 3202 } 3203 3204 BTM_TRACE_DEBUG("BTM_GetEirUuidList type = %02X, number of uuid = %d", type, *p_num_uuid ); 3205 3206 if( uuid_size == LEN_UUID_16 ) 3207 { 3208 for( yy = 0; yy < *p_num_uuid; yy++ ) 3209 { 3210 STREAM_TO_UINT16(*(p_uuid16 + yy), p_uuid_data); 3211 BTM_TRACE_DEBUG(" 0x%04X", *(p_uuid16 + yy)); 3212 } 3213 } 3214 else if( uuid_size == LEN_UUID_32 ) 3215 { 3216 for( yy = 0; yy < *p_num_uuid; yy++ ) 3217 { 3218 STREAM_TO_UINT32(*(p_uuid32 + yy), p_uuid_data); 3219 BTM_TRACE_DEBUG(" 0x%08X", *(p_uuid32 + yy)); 3220 } 3221 } 3222 else if( uuid_size == LEN_UUID_128 ) 3223 { 3224 for( yy = 0; yy < *p_num_uuid; yy++ ) 3225 { 3226 STREAM_TO_ARRAY16(p_uuid_list + yy * LEN_UUID_128, p_uuid_data); 3227 for( xx = 0; xx < LEN_UUID_128; xx++ ) 3228 sprintf(buff + xx*2, "%02X", *(p_uuid_list + yy * LEN_UUID_128 + xx)); 3229 BTM_TRACE_DEBUG(" 0x%s", buff); 3230 } 3231 } 3232 3233 return type; 3234 #else 3235 *p_num_uuid = 0; 3236 return 0x00; 3237 #endif 3238 } 3239 3240 3241 #if (BTM_EIR_CLIENT_INCLUDED == TRUE) 3242 /******************************************************************************* 3243 ** 3244 ** Function btm_eir_get_uuid_list 3245 ** 3246 ** Description This function searches UUID list in EIR. 3247 ** 3248 ** Parameters p_eir - address of EIR 3249 ** uuid_size - size of UUID to find 3250 ** p_num_uuid - number of UUIDs found 3251 ** p_uuid_list_type - EIR data type 3252 ** 3253 ** Returns NULL - if UUID list with uuid_size is not found 3254 ** beginning of UUID list in EIR - otherwise 3255 ** 3256 *******************************************************************************/ 3257 static UINT8 *btm_eir_get_uuid_list( UINT8 *p_eir, UINT8 uuid_size, 3258 UINT8 *p_num_uuid, UINT8 *p_uuid_list_type ) 3259 { 3260 UINT8 *p_uuid_data; 3261 UINT8 complete_type, more_type; 3262 UINT8 uuid_len; 3263 3264 switch( uuid_size ) 3265 { 3266 case LEN_UUID_16: 3267 complete_type = BTM_EIR_COMPLETE_16BITS_UUID_TYPE; 3268 more_type = BTM_EIR_MORE_16BITS_UUID_TYPE; 3269 break; 3270 case LEN_UUID_32: 3271 complete_type = BTM_EIR_COMPLETE_32BITS_UUID_TYPE; 3272 more_type = BTM_EIR_MORE_32BITS_UUID_TYPE; 3273 break; 3274 case LEN_UUID_128: 3275 complete_type = BTM_EIR_COMPLETE_128BITS_UUID_TYPE; 3276 more_type = BTM_EIR_MORE_128BITS_UUID_TYPE; 3277 break; 3278 default: 3279 *p_num_uuid = 0; 3280 return NULL; 3281 break; 3282 } 3283 3284 p_uuid_data = BTM_CheckEirData( p_eir, complete_type, &uuid_len ); 3285 if(p_uuid_data == NULL) 3286 { 3287 p_uuid_data = BTM_CheckEirData( p_eir, more_type, &uuid_len ); 3288 *p_uuid_list_type = more_type; 3289 } 3290 else 3291 { 3292 *p_uuid_list_type = complete_type; 3293 } 3294 3295 *p_num_uuid = uuid_len / uuid_size; 3296 return p_uuid_data; 3297 } 3298 3299 /******************************************************************************* 3300 ** 3301 ** Function btm_convert_uuid_to_uuid16 3302 ** 3303 ** Description This function converts UUID to UUID 16-bit. 3304 ** 3305 ** Parameters p_uuid - address of UUID 3306 ** uuid_size - size of UUID 3307 ** 3308 ** Returns 0 - if UUID cannot be converted to UUID 16-bit 3309 ** UUID 16-bit - otherwise 3310 ** 3311 *******************************************************************************/ 3312 static UINT16 btm_convert_uuid_to_uuid16( UINT8 *p_uuid, UINT8 uuid_size ) 3313 { 3314 static const UINT8 base_uuid[LEN_UUID_128] = {0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80, 3315 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 3316 UINT16 uuid16 = 0; 3317 UINT32 uuid32; 3318 BOOLEAN is_base_uuid; 3319 UINT8 xx; 3320 3321 switch (uuid_size) 3322 { 3323 case LEN_UUID_16: 3324 STREAM_TO_UINT16 (uuid16, p_uuid); 3325 break; 3326 case LEN_UUID_32: 3327 STREAM_TO_UINT32 (uuid32, p_uuid); 3328 if (uuid32 < 0x10000) 3329 uuid16 = (UINT16) uuid32; 3330 break; 3331 case LEN_UUID_128: 3332 /* See if we can compress his UUID down to 16 or 32bit UUIDs */ 3333 is_base_uuid = TRUE; 3334 for (xx = 0; xx < LEN_UUID_128 - 4; xx++) 3335 { 3336 if (p_uuid[xx] != base_uuid[xx]) 3337 { 3338 is_base_uuid = FALSE; 3339 break; 3340 } 3341 } 3342 if (is_base_uuid) 3343 { 3344 if ((p_uuid[LEN_UUID_128 - 1] == 0) && (p_uuid[LEN_UUID_128 - 2] == 0)) 3345 { 3346 p_uuid += (LEN_UUID_128 - 4); 3347 STREAM_TO_UINT16(uuid16, p_uuid); 3348 } 3349 } 3350 break; 3351 default: 3352 BTM_TRACE_WARNING("btm_convert_uuid_to_uuid16 invalid uuid size"); 3353 break; 3354 } 3355 3356 return( uuid16); 3357 } 3358 3359 /******************************************************************************* 3360 ** 3361 ** Function btm_set_eir_uuid 3362 ** 3363 ** Description This function is called to store received UUID into inquiry result. 3364 ** 3365 ** Parameters p_eir - pointer of EIR significant part 3366 ** p_results - pointer of inquiry result 3367 ** 3368 ** Returns None 3369 ** 3370 *******************************************************************************/ 3371 void btm_set_eir_uuid( UINT8 *p_eir, tBTM_INQ_RESULTS *p_results ) 3372 { 3373 UINT8 *p_uuid_data; 3374 UINT8 num_uuid; 3375 UINT16 uuid16; 3376 UINT8 yy; 3377 UINT8 type = BTM_EIR_MORE_16BITS_UUID_TYPE; 3378 3379 p_uuid_data = btm_eir_get_uuid_list( p_eir, LEN_UUID_16, &num_uuid, &type ); 3380 3381 if(type == BTM_EIR_COMPLETE_16BITS_UUID_TYPE) 3382 { 3383 p_results->eir_complete_list = TRUE; 3384 } 3385 else 3386 { 3387 p_results->eir_complete_list = FALSE; 3388 } 3389 3390 BTM_TRACE_API("btm_set_eir_uuid eir_complete_list=0x%02X", p_results->eir_complete_list); 3391 3392 if( p_uuid_data ) 3393 { 3394 for( yy = 0; yy < num_uuid; yy++ ) 3395 { 3396 STREAM_TO_UINT16(uuid16, p_uuid_data); 3397 BTM_AddEirService( p_results->eir_uuid, uuid16 ); 3398 } 3399 } 3400 3401 p_uuid_data = btm_eir_get_uuid_list( p_eir, LEN_UUID_32, &num_uuid, &type ); 3402 if( p_uuid_data ) 3403 { 3404 for( yy = 0; yy < num_uuid; yy++ ) 3405 { 3406 uuid16 = btm_convert_uuid_to_uuid16( p_uuid_data, LEN_UUID_32 ); 3407 p_uuid_data += LEN_UUID_32; 3408 if( uuid16 ) 3409 BTM_AddEirService( p_results->eir_uuid, uuid16 ); 3410 } 3411 } 3412 3413 p_uuid_data = btm_eir_get_uuid_list( p_eir, LEN_UUID_128, &num_uuid, &type ); 3414 if( p_uuid_data ) 3415 { 3416 for( yy = 0; yy < num_uuid; yy++ ) 3417 { 3418 uuid16 = btm_convert_uuid_to_uuid16( p_uuid_data, LEN_UUID_128 ); 3419 p_uuid_data += LEN_UUID_128; 3420 if( uuid16 ) 3421 BTM_AddEirService( p_results->eir_uuid, uuid16 ); 3422 } 3423 } 3424 } 3425 #endif 3426 3427
