1/****************************************************************************** 2 * 3 * Copyright (C) 2010-2012 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 is the implementation of the API for GATT module of BTA. 22 * 23 ******************************************************************************/ 24 25#include "bt_target.h" 26 27#if defined(BTA_GATT_INCLUDED) && (BTA_GATT_INCLUDED == TRUE) 28 29#include <string.h> 30#include "gki.h" 31#include "bta_sys.h" 32#include "bta_gatt_api.h" 33#include "bta_gattc_int.h" 34 35/***************************************************************************** 36** Constants 37*****************************************************************************/ 38 39static const tBTA_SYS_REG bta_gattc_reg = 40{ 41 bta_gattc_hdl_event, 42 BTA_GATTC_Disable 43}; 44 45 46/******************************************************************************* 47** 48** Function BTA_GATTC_Disable 49** 50** Description This function is called to disable GATTC module 51** 52** Parameters None. 53** 54** Returns None 55** 56*******************************************************************************/ 57void BTA_GATTC_Disable(void) 58{ 59 BT_HDR *p_buf; 60 61 if (bta_sys_is_register(BTA_ID_GATTC) == FALSE) 62 { 63 APPL_TRACE_WARNING0("GATTC Module not enabled/already disabled"); 64 return; 65 } 66 if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) 67 { 68 p_buf->event = BTA_GATTC_API_DISABLE_EVT; 69 bta_sys_sendmsg(p_buf); 70 } 71 bta_sys_deregister(BTA_ID_GATTC); 72 73} 74 75/******************************************************************************* 76** 77** Function BTA_GATTC_AppRegister 78** 79** Description This function is called to register application callbacks 80** with BTA GATTC module. 81** 82** Parameters p_app_uuid - applicaiton UUID 83** p_client_cb - pointer to the application callback function. 84** 85** Returns None 86** 87*******************************************************************************/ 88void BTA_GATTC_AppRegister(tBT_UUID *p_app_uuid, tBTA_GATTC_CBACK *p_client_cb) 89{ 90 tBTA_GATTC_API_REG *p_buf; 91 92 if (bta_sys_is_register(BTA_ID_GATTC) == FALSE) 93 { 94 GKI_sched_lock(); 95 bta_sys_register(BTA_ID_GATTC, &bta_gattc_reg); 96 GKI_sched_unlock(); 97 } 98 99 if ((p_buf = (tBTA_GATTC_API_REG *) GKI_getbuf(sizeof(tBTA_GATTC_API_REG))) != NULL) 100 { 101 p_buf->hdr.event = BTA_GATTC_API_REG_EVT; 102 if (p_app_uuid != NULL) 103 memcpy(&p_buf->app_uuid, p_app_uuid, sizeof(tBT_UUID)); 104 p_buf->p_cback = p_client_cb; 105 106 bta_sys_sendmsg(p_buf); 107 } 108 return; 109} 110 111/******************************************************************************* 112** 113** Function BTA_GATTC_AppDeregister 114** 115** Description This function is called to deregister an application 116** from BTA GATTC module. 117** 118** Parameters client_if - client interface identifier. 119** 120** Returns None 121** 122*******************************************************************************/ 123void BTA_GATTC_AppDeregister(tBTA_GATTC_IF client_if) 124{ 125 tBTA_GATTC_API_DEREG *p_buf; 126 127 if ((p_buf = (tBTA_GATTC_API_DEREG *) GKI_getbuf(sizeof(tBTA_GATTC_API_DEREG))) != NULL) 128 { 129 p_buf->hdr.event = BTA_GATTC_API_DEREG_EVT; 130 p_buf->client_if = client_if; 131 bta_sys_sendmsg(p_buf); 132 } 133 return; 134} 135 136/******************************************************************************* 137** 138** Function BTA_GATTC_Open 139** 140** Description Open a direct connection or add a background auto connection 141** bd address 142** 143** Parameters client_if: server interface. 144** remote_bda: remote device BD address. 145** is_direct: direct connection or background auto connection 146** 147** Returns void 148** 149*******************************************************************************/ 150void BTA_GATTC_Open(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, BOOLEAN is_direct) 151{ 152 tBTA_GATTC_API_OPEN *p_buf; 153 154 if ((p_buf = (tBTA_GATTC_API_OPEN *) GKI_getbuf(sizeof(tBTA_GATTC_API_OPEN))) != NULL) 155 { 156 p_buf->hdr.event = BTA_GATTC_API_OPEN_EVT; 157 158 p_buf->client_if = client_if; 159 p_buf->is_direct = is_direct; 160 memcpy(p_buf->remote_bda, remote_bda, BD_ADDR_LEN); 161 162 163 bta_sys_sendmsg(p_buf); 164 } 165 return; 166} 167 168/******************************************************************************* 169** 170** Function BTA_GATTC_CancelOpen 171** 172** Description Cancel a direct open connection or remove a background auto connection 173** bd address 174** 175** Parameters client_if: server interface. 176** remote_bda: remote device BD address. 177** is_direct: direct connection or background auto connection 178** 179** Returns void 180** 181*******************************************************************************/ 182void BTA_GATTC_CancelOpen(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, BOOLEAN is_direct) 183{ 184 tBTA_GATTC_API_CANCEL_OPEN *p_buf; 185 186 if ((p_buf = (tBTA_GATTC_API_CANCEL_OPEN *) GKI_getbuf(sizeof(tBTA_GATTC_API_CANCEL_OPEN))) != NULL) 187 { 188 p_buf->hdr.event = BTA_GATTC_API_CANCEL_OPEN_EVT; 189 190 p_buf->client_if = client_if; 191 p_buf->is_direct = is_direct; 192 memcpy(p_buf->remote_bda, remote_bda, BD_ADDR_LEN); 193 194 bta_sys_sendmsg(p_buf); 195 } 196 return; 197} 198 199/******************************************************************************* 200** 201** Function BTA_GATTC_Close 202** 203** Description Close a connection to a GATT server. 204** 205** Parameters conn_id: connectino ID to be closed. 206** 207** Returns void 208** 209*******************************************************************************/ 210void BTA_GATTC_Close(UINT16 conn_id) 211{ 212 BT_HDR *p_buf; 213 214 if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) 215 { 216 p_buf->event = BTA_GATTC_API_CLOSE_EVT; 217 218 p_buf->layer_specific = conn_id; 219 220 bta_sys_sendmsg(p_buf); 221 } 222 return; 223 224} 225/******************************************************************************* 226** 227** Function BTA_GATTC_ServiceSearchRequest 228** 229** Description This function is called to request a GATT service discovery 230** on a GATT server. This function report service search result 231** by a callback event, and followed by a service search complete 232** event. 233** 234** Parameters conn_id: connection ID. 235** p_srvc_uuid: a UUID of the service application is interested in. 236** If Null, discover for all services. 237** 238** Returns None 239** 240*******************************************************************************/ 241void BTA_GATTC_ServiceSearchRequest (UINT16 conn_id, tBT_UUID *p_srvc_uuid) 242{ 243 tBTA_GATTC_API_SEARCH *p_buf; 244 UINT16 len = sizeof(tBTA_GATTC_API_SEARCH) + sizeof(tBT_UUID); 245 246 if ((p_buf = (tBTA_GATTC_API_SEARCH *) GKI_getbuf(len)) != NULL) 247 { 248 memset(p_buf, 0, len); 249 250 p_buf->hdr.event = BTA_GATTC_API_SEARCH_EVT; 251 p_buf->hdr.layer_specific = conn_id; 252 253 if (p_srvc_uuid) 254 { 255 p_buf->p_srvc_uuid = (tBT_UUID *)(p_buf + 1); 256 memcpy(p_buf->p_srvc_uuid, p_srvc_uuid, sizeof(tBT_UUID)); 257 } 258 else 259 p_buf->p_srvc_uuid = NULL; 260 261 bta_sys_sendmsg(p_buf); 262 } 263 return; 264} 265 266 267/******************************************************************************* 268** 269** Function BTA_GATTC_GetFirstChar 270** 271** Description This function is called to find the first characteristic of the 272** service on the given server. 273** 274** Parameters conn_id: connection ID which identify the server. 275** p_srvc_id: the service ID of which the characteristic is belonged to. 276** p_char_uuid_cond: Characteristic UUID, if NULL find the first available 277** characteristic. 278** p_char_result: output parameter which will store the GATT 279** characteristic ID. 280** p_property: output parameter to carry the characteristic property. 281** 282** Returns returns status. 283** 284*******************************************************************************/ 285tBTA_GATT_STATUS BTA_GATTC_GetFirstChar (UINT16 conn_id, tBTA_GATT_SRVC_ID *p_srvc_id, 286 tBT_UUID *p_char_uuid_cond, 287 tBTA_GATTC_CHAR_ID *p_char_result, 288 tBTA_GATT_CHAR_PROP *p_property) 289{ 290 tBTA_GATT_STATUS status; 291 292 if (!p_srvc_id || !p_char_result) 293 return BTA_GATT_ILLEGAL_PARAMETER; 294 295 if ((status = bta_gattc_query_cache(conn_id, BTA_GATTC_ATTR_TYPE_CHAR, p_srvc_id, NULL, 296 p_char_uuid_cond, &p_char_result->char_id, (void *)p_property)) 297 == BTA_GATT_OK) 298 { 299 memcpy(&p_char_result->srvc_id, p_srvc_id, sizeof(tBTA_GATT_SRVC_ID)); 300 } 301 302 return status; 303 304} 305/******************************************************************************* 306** 307** Function BTA_GATTC_GetNextChar 308** 309** Description This function is called to find the next characteristic of the 310** service on the given server. 311** 312** Parameters conn_id: connection ID which identify the server. 313** p_start_char_id: start the characteristic search from the next record 314** after the one identified by char_id. 315** p_char_uuid_cond: Characteristic UUID, if NULL find the first available 316** characteristic. 317** p_char_result: output parameter which will store the GATT 318** characteristic ID. 319** p_property: output parameter to carry the characteristic property. 320** 321** Returns returns status. 322** 323*******************************************************************************/ 324tBTA_GATT_STATUS BTA_GATTC_GetNextChar (UINT16 conn_id, 325 tBTA_GATTC_CHAR_ID *p_start_char_id, 326 tBT_UUID *p_char_uuid_cond, 327 tBTA_GATTC_CHAR_ID *p_char_result, 328 tBTA_GATT_CHAR_PROP *p_property) 329{ 330 tBTA_GATT_STATUS status; 331 332 if (!p_start_char_id || !p_char_result) 333 return BTA_GATT_ILLEGAL_PARAMETER; 334 335 if ((status = bta_gattc_query_cache(conn_id, BTA_GATTC_ATTR_TYPE_CHAR, 336 &p_start_char_id->srvc_id, 337 &p_start_char_id->char_id, 338 p_char_uuid_cond, 339 &p_char_result->char_id, 340 (void *) p_property)) 341 == BTA_GATT_OK) 342 { 343 memcpy(&p_char_result->srvc_id, &p_start_char_id->srvc_id, sizeof(tBTA_GATT_SRVC_ID)); 344 } 345 346 return status; 347} 348 349/******************************************************************************* 350** 351** Function BTA_GATTC_GetFirstCharDescr 352** 353** Description This function is called to find the first characteristic descriptor of the 354** characteristic on the given server. 355** 356** Parameters conn_id: connection ID which identify the server. 357** p_char_id: the characteristic ID of which the descriptor is belonged to. 358** p_descr_uuid_cond: Characteristic Descr UUID, if NULL find the first available 359** characteristic. 360** p_descr_result: output parameter which will store the GATT 361** characteristic descriptor ID. 362** 363** Returns returns status. 364** 365*******************************************************************************/ 366tBTA_GATT_STATUS BTA_GATTC_GetFirstCharDescr (UINT16 conn_id, tBTA_GATTC_CHAR_ID *p_char_id, 367 tBT_UUID *p_descr_uuid_cond, 368 tBTA_GATTC_CHAR_DESCR_ID *p_descr_result) 369{ 370 tBTA_GATT_STATUS status; 371 372 if (!p_char_id || !p_descr_result) 373 return BTA_GATT_ILLEGAL_PARAMETER; 374 375 memset(p_descr_result, 0, sizeof(tBTA_GATTC_CHAR_DESCR_ID)); 376 377 if ((status = bta_gattc_query_cache(conn_id, 378 BTA_GATTC_ATTR_TYPE_CHAR_DESCR, 379 &p_char_id->srvc_id, 380 &p_char_id->char_id, 381 p_descr_uuid_cond, 382 &p_descr_result->char_id.char_id, 383 NULL)) 384 == BTA_GATT_OK) 385 { 386 memcpy(&p_descr_result->descr_id, &p_descr_result->char_id.char_id, sizeof(tBTA_GATT_ID)); 387 memcpy(&p_descr_result->char_id, p_char_id, sizeof(tBTA_GATTC_CHAR_ID)); 388 } 389 390 return status; 391 392} 393/******************************************************************************* 394** 395** Function BTA_GATTC_GetNextCharDescr 396** 397** Description This function is called to find the next characteristic descriptor 398** of the characterisctic. 399** 400** Parameters conn_id: connection ID which identify the server. 401** p_start_descr_id: start the characteristic search from the next record 402** after the one identified by p_start_descr_id. 403** p_descr_uuid_cond: Characteristic descriptor UUID, if NULL find 404** the first available characteristic descriptor. 405** p_descr_result: output parameter which will store the GATT 406** characteristic descriptor ID. 407** 408** Returns returns status. 409** 410*******************************************************************************/ 411tBTA_GATT_STATUS BTA_GATTC_GetNextCharDescr (UINT16 conn_id, 412 tBTA_GATTC_CHAR_DESCR_ID *p_start_descr_id, 413 tBT_UUID *p_descr_uuid_cond, 414 tBTA_GATTC_CHAR_DESCR_ID *p_descr_result) 415{ 416 tBTA_GATT_STATUS status; 417 418 if (!p_start_descr_id || !p_descr_result) 419 return BTA_GATT_ILLEGAL_PARAMETER; 420 421 memset(p_descr_result, 0, sizeof(tBTA_GATTC_CHAR_DESCR_ID)); 422 423 if ((status = bta_gattc_query_cache(conn_id, BTA_GATTC_ATTR_TYPE_CHAR_DESCR, 424 &p_start_descr_id->char_id.srvc_id, 425 &p_start_descr_id->char_id.char_id, 426 p_descr_uuid_cond, 427 &p_descr_result->char_id.char_id, 428 (void *)&p_start_descr_id->descr_id)) 429 == BTA_GATT_OK) 430 { 431 memcpy(&p_descr_result->descr_id, &p_descr_result->char_id.char_id, sizeof(tBTA_GATT_ID)); 432 memcpy(&p_descr_result->char_id, p_start_descr_id, sizeof(tBTA_GATTC_CHAR_ID)); 433 } 434 435 return status; 436} 437 438 439/******************************************************************************* 440** 441** Function BTA_GATTC_GetFirstIncludedService 442** 443** Description This function is called to find the first included service of the 444** service on the given server. 445** 446** Parameters conn_id: connection ID which identify the server. 447** p_srvc_id: the service ID of which the characteristic is belonged to. 448** p_uuid_cond: Characteristic UUID, if NULL find the first available 449** characteristic. 450** p_result: output parameter which will store the GATT ID 451** of the included service found. 452** 453** Returns returns status. 454** 455*******************************************************************************/ 456tBTA_GATT_STATUS BTA_GATTC_GetFirstIncludedService(UINT16 conn_id, tBTA_GATT_SRVC_ID *p_srvc_id, 457 tBT_UUID *p_uuid_cond, tBTA_GATTC_INCL_SVC_ID *p_result) 458{ 459 tBTA_GATT_STATUS status; 460 461 if (!p_srvc_id || !p_result) 462 return BTA_GATT_ILLEGAL_PARAMETER; 463 464 if ((status = bta_gattc_query_cache(conn_id, 465 BTA_GATTC_ATTR_TYPE_INCL_SRVC, 466 p_srvc_id, 467 NULL, 468 p_uuid_cond, 469 &p_result->incl_svc_id.id, 470 (void *)&p_result->incl_svc_id.is_primary)) 471 == BTA_GATT_OK) 472 { 473 memcpy(&p_result->srvc_id, p_srvc_id, sizeof(tBTA_GATT_SRVC_ID)); 474 } 475 476 return status; 477} 478/******************************************************************************* 479** 480** Function BTA_GATTC_GetNextIncludedService 481** 482** Description This function is called to find the next included service of the 483** service on the given server. 484** 485** Parameters conn_id: connection ID which identify the server. 486** p_start_id: start the search from the next record 487** after the one identified by p_start_id. 488** p_uuid_cond: Included service UUID, if NULL find the first available 489** included service. 490** p_result: output parameter which will store the GATT ID 491** of the included service found. 492** 493** Returns returns status. 494** 495*******************************************************************************/ 496tBTA_GATT_STATUS BTA_GATTC_GetNextIncludedService(UINT16 conn_id, 497 tBTA_GATTC_INCL_SVC_ID *p_start_id, 498 tBT_UUID *p_uuid_cond, 499 tBTA_GATTC_INCL_SVC_ID *p_result) 500{ 501 tBTA_GATT_STATUS status; 502 503 if (!p_start_id || !p_result) 504 return BTA_GATT_ILLEGAL_PARAMETER; 505 506 if ((status = bta_gattc_query_cache(conn_id, 507 BTA_GATTC_ATTR_TYPE_INCL_SRVC, 508 &p_start_id->srvc_id, 509 &p_start_id->incl_svc_id.id, 510 p_uuid_cond, 511 &p_result->incl_svc_id.id, 512 (void *)&p_result->incl_svc_id.is_primary)) 513 == BTA_GATT_OK) 514 { 515 memcpy(&p_result->srvc_id, &p_start_id->srvc_id, sizeof(tBTA_GATT_SRVC_ID)); 516 } 517 518 return status; 519} 520 521/******************************************************************************* 522** 523** Function BTA_GATTC_ReadCharacteristic 524** 525** Description This function is called to read a service's characteristics of 526** the given characteritisc ID. 527** 528** Parameters conn_id - connectino ID. 529** p_char_id - characteritic ID to read. 530** 531** Returns None 532** 533*******************************************************************************/ 534void BTA_GATTC_ReadCharacteristic(UINT16 conn_id, tBTA_GATTC_CHAR_ID *p_char_id, 535 tBTA_GATT_AUTH_REQ auth_req) 536{ 537 tBTA_GATTC_API_READ *p_buf; 538 539 if ((p_buf = (tBTA_GATTC_API_READ *) GKI_getbuf(sizeof(tBTA_GATTC_API_READ))) != NULL) 540 { 541 memset(p_buf, 0, sizeof(tBTA_GATTC_API_READ)); 542 543 p_buf->hdr.event = BTA_GATTC_API_READ_EVT; 544 p_buf->hdr.layer_specific = conn_id; 545 p_buf->auth_req = auth_req; 546 547 memcpy(&p_buf->srvc_id, &p_char_id->srvc_id, sizeof(tBTA_GATT_SRVC_ID)); 548 memcpy(&p_buf->char_id, &p_char_id->char_id, sizeof(tBTA_GATT_ID)); 549 p_buf->p_descr_type = NULL; 550 551 bta_sys_sendmsg(p_buf); 552 } 553 return; 554} 555 556/******************************************************************************* 557** 558** Function BTA_GATTC_ReadCharDescr 559** 560** Description This function is called to read a characteristics descriptor. 561** 562** Parameters conn_id - connection ID. 563** p_char_descr_id - characteritic descriptor ID to read. 564** 565** Returns None 566** 567*******************************************************************************/ 568void BTA_GATTC_ReadCharDescr (UINT16 conn_id, 569 tBTA_GATTC_CHAR_DESCR_ID *p_descr_id, 570 tBTA_GATT_AUTH_REQ auth_req) 571{ 572 tBTA_GATTC_API_READ *p_buf; 573 UINT16 len = (UINT16)(sizeof(tBTA_GATT_ID) + sizeof(tBTA_GATTC_API_READ)); 574 575 if ((p_buf = (tBTA_GATTC_API_READ *) GKI_getbuf(len)) != NULL) 576 { 577 memset(p_buf, 0, sizeof(tBTA_GATTC_API_READ)); 578 579 p_buf->hdr.event = BTA_GATTC_API_READ_EVT; 580 p_buf->hdr.layer_specific = conn_id; 581 p_buf->auth_req = auth_req; 582 583 memcpy(&p_buf->srvc_id, &p_descr_id->char_id.srvc_id, sizeof(tBTA_GATT_SRVC_ID)); 584 memcpy(&p_buf->char_id, &p_descr_id->char_id.char_id, sizeof(tBTA_GATT_ID)); 585 p_buf->p_descr_type = (tBTA_GATT_ID *)(p_buf + 1); 586 587 memcpy(p_buf->p_descr_type, &p_descr_id->descr_id, sizeof(tBTA_GATT_ID)); 588 589 bta_sys_sendmsg(p_buf); 590 } 591 return; 592 593} 594/******************************************************************************* 595** 596** Function BTA_GATTC_ReadMultiple 597** 598** Description This function is called to read multiple characteristic or 599** characteristic descriptors. 600** 601** Parameters conn_id - connectino ID. 602** p_read_multi - pointer to the read multiple parameter. 603** 604** Returns None 605** 606*******************************************************************************/ 607void BTA_GATTC_ReadMultiple(UINT16 conn_id, tBTA_GATTC_MULTI *p_read_multi, 608 tBTA_GATT_AUTH_REQ auth_req) 609{ 610 tBTA_GATTC_API_READ_MULTI *p_buf; 611 tBTA_GATTC_ATTR_ID *p_value; 612 UINT16 len = (UINT16)(sizeof(tBTA_GATTC_API_READ_MULTI) + 613 p_read_multi->num_attr * sizeof(tBTA_GATTC_ATTR_ID)); 614 UINT8 i; 615 616 if ((p_buf = (tBTA_GATTC_API_READ_MULTI *) GKI_getbuf(len)) != NULL) 617 { 618 memset(p_buf, 0, len); 619 620 p_buf->hdr.event = BTA_GATTC_API_READ_MULTI_EVT; 621 p_buf->hdr.layer_specific = conn_id; 622 p_buf->auth_req = auth_req; 623 624 p_buf->num_attr = p_read_multi->num_attr; 625 626 if (p_buf->num_attr > 0) 627 { 628 p_buf->p_id_list = p_value = (tBTA_GATTC_ATTR_ID *)(p_buf + 1); 629 630 for (i = 0; i < p_buf->num_attr; i ++, p_value ++) 631 { 632 memcpy(p_value, &p_read_multi->id_list[i], sizeof(tBTA_GATTC_ATTR_ID)); 633 } 634 } 635 bta_sys_sendmsg(p_buf); 636 } 637 return; 638} 639 640 641/******************************************************************************* 642** 643** Function BTA_GATTC_WriteCharValue 644** 645** Description This function is called to write characteristic value. 646** 647** Parameters conn_id - connection ID. 648** p_char_id - characteristic ID to write. 649** write_type - type of write. 650** len: length of the data to be written. 651** p_value - the value to be written. 652** 653** Returns None 654** 655*******************************************************************************/ 656void BTA_GATTC_WriteCharValue ( UINT16 conn_id, 657 tBTA_GATTC_CHAR_ID *p_char_id, 658 tBTA_GATTC_WRITE_TYPE write_type, 659 UINT16 len, 660 UINT8 *p_value, 661 tBTA_GATT_AUTH_REQ auth_req) 662{ 663 tBTA_GATTC_API_WRITE *p_buf; 664 665 if ((p_buf = (tBTA_GATTC_API_WRITE *) GKI_getbuf((UINT16)(sizeof(tBTA_GATTC_API_WRITE) + len))) != NULL) 666 { 667 memset(p_buf, 0, sizeof(tBTA_GATTC_API_WRITE) + len); 668 669 p_buf->hdr.event = BTA_GATTC_API_WRITE_EVT; 670 p_buf->hdr.layer_specific = conn_id; 671 p_buf->auth_req = auth_req; 672 673 memcpy(&p_buf->srvc_id, &p_char_id->srvc_id, sizeof(tBTA_GATT_SRVC_ID)); 674 memcpy(&p_buf->char_id, &p_char_id->char_id, sizeof(tBTA_GATT_ID)); 675 676 p_buf->write_type = write_type; 677 p_buf->len = len; 678 679 if (p_value && len > 0) 680 { 681 p_buf->p_value = (UINT8 *)(p_buf + 1); 682 memcpy(p_buf->p_value, p_value, len); 683 } 684 685 bta_sys_sendmsg(p_buf); 686 } 687 return; 688} 689/******************************************************************************* 690** 691** Function BTA_GATTC_WriteCharDescr 692** 693** Description This function is called to write characteristic descriptor value. 694** 695** Parameters conn_id - connection ID 696** p_char_descr_id - characteristic descriptor ID to write. 697** write_type - write type. 698** p_value - the value to be written. 699** 700** Returns None 701** 702*******************************************************************************/ 703void BTA_GATTC_WriteCharDescr (UINT16 conn_id, 704 tBTA_GATTC_CHAR_DESCR_ID *p_char_descr_id, 705 tBTA_GATTC_WRITE_TYPE write_type, 706 tBTA_GATT_UNFMT *p_data, 707 tBTA_GATT_AUTH_REQ auth_req) 708{ 709 tBTA_GATTC_API_WRITE *p_buf; 710 UINT16 len = sizeof(tBTA_GATTC_API_WRITE) + sizeof(tBTA_GATT_ID); 711 712 if (p_data != NULL) 713 len += p_data->len; 714 715 if ((p_buf = (tBTA_GATTC_API_WRITE *) GKI_getbuf(len)) != NULL) 716 { 717 memset(p_buf, 0, len); 718 719 p_buf->hdr.event = BTA_GATTC_API_WRITE_EVT; 720 p_buf->hdr.layer_specific = conn_id; 721 p_buf->auth_req = auth_req; 722 723 memcpy(&p_buf->srvc_id, &p_char_descr_id->char_id.srvc_id, sizeof(tBTA_GATT_SRVC_ID)); 724 memcpy(&p_buf->char_id, &p_char_descr_id->char_id.char_id, sizeof(tBTA_GATT_ID)); 725 p_buf->p_descr_type = (tBTA_GATT_ID *)(p_buf + 1); 726 memcpy(p_buf->p_descr_type, &p_char_descr_id->descr_id, sizeof(tBTA_GATT_ID)); 727 p_buf->write_type = write_type; 728 729 if (p_data && p_data->len != 0) 730 { 731 p_buf->p_value = (UINT8 *)(p_buf->p_descr_type + 1); 732 p_buf->len = p_data->len; 733 /* pack the descr data */ 734 memcpy(p_buf->p_value, p_data->p_value, p_data->len); 735 } 736 737 bta_sys_sendmsg(p_buf); 738 } 739 return; 740 741} 742/******************************************************************************* 743** 744** Function BTA_GATTC_PrepareWrite 745** 746** Description This function is called to prepare write a characteristic value. 747** 748** Parameters conn_id - connection ID. 749** p_char_id - GATT characteritic ID of the service. 750** offset - offset of the write value. 751** len: length of the data to be written. 752** p_value - the value to be written. 753** 754** Returns None 755** 756*******************************************************************************/ 757void BTA_GATTC_PrepareWrite (UINT16 conn_id, tBTA_GATTC_CHAR_ID *p_char_id, 758 UINT16 offset, UINT16 len, UINT8 *p_value, 759 tBTA_GATT_AUTH_REQ auth_req) 760{ 761 tBTA_GATTC_API_WRITE *p_buf; 762 763 if ((p_buf = (tBTA_GATTC_API_WRITE *) GKI_getbuf((UINT16)(sizeof(tBTA_GATTC_API_WRITE) + len))) != NULL) 764 { 765 memset(p_buf, 0, sizeof(tBTA_GATTC_API_WRITE) + len); 766 767 p_buf->hdr.event = BTA_GATTC_API_WRITE_EVT; 768 p_buf->hdr.layer_specific = conn_id; 769 p_buf->auth_req = auth_req; 770 771 memcpy(&p_buf->srvc_id, &p_char_id->srvc_id, sizeof(tBTA_GATT_SRVC_ID)); 772 memcpy(&p_buf->char_id, &p_char_id->char_id, sizeof(tBTA_GATT_ID)); 773 774 p_buf->write_type = BTA_GATTC_WRITE_PREPARE; 775 p_buf->offset = offset; 776 p_buf->len = len; 777 778 if (p_value && len > 0) 779 { 780 p_buf->p_value = (UINT8 *)(p_buf + 1); 781 memcpy(p_buf->p_value, p_value, len); 782 } 783 784 bta_sys_sendmsg(p_buf); 785 } 786 return; 787 788} 789/******************************************************************************* 790** 791** Function BTA_GATTC_ExecuteWrite 792** 793** Description This function is called to execute write a prepare write sequence. 794** 795** Parameters conn_id - connection ID. 796** is_execute - execute or cancel. 797** 798** Returns None 799** 800*******************************************************************************/ 801void BTA_GATTC_ExecuteWrite (UINT16 conn_id, BOOLEAN is_execute) 802{ 803 tBTA_GATTC_API_EXEC *p_buf; 804 805 if ((p_buf = (tBTA_GATTC_API_EXEC *) GKI_getbuf((UINT16)sizeof(tBTA_GATTC_API_EXEC))) != NULL) 806 { 807 memset(p_buf, 0, sizeof(tBTA_GATTC_API_EXEC)); 808 809 p_buf->hdr.event = BTA_GATTC_API_EXEC_EVT; 810 p_buf->hdr.layer_specific = conn_id; 811 812 p_buf->is_execute = is_execute; 813 814 bta_sys_sendmsg(p_buf); 815 } 816 return; 817 818} 819/******************************************************************************* 820** 821** Function BTA_GATTC_SendIndConfirm 822** 823** Description This function is called to send handle value confirmation. 824** 825** Parameters conn_id - connection ID. 826** p_char_id - characteristic ID to confirm. 827** 828** Returns None 829** 830*******************************************************************************/ 831void BTA_GATTC_SendIndConfirm (UINT16 conn_id, tBTA_GATTC_CHAR_ID *p_char_id) 832{ 833 tBTA_GATTC_API_CONFIRM *p_buf; 834 835 APPL_TRACE_API3("BTA_GATTC_SendIndConfirm conn_id=%d service uuid1=0x%x char uuid=0x%x", 836 conn_id, p_char_id->srvc_id.id.uuid.uu.uuid16, p_char_id->char_id.uuid.uu.uuid16); 837 838 if ((p_buf = (tBTA_GATTC_API_CONFIRM *) GKI_getbuf(sizeof(tBTA_GATTC_API_CONFIRM))) != NULL) 839 { 840 memset(p_buf, 0, sizeof(tBTA_GATTC_API_CONFIRM)); 841 842 p_buf->hdr.event = BTA_GATTC_API_CONFIRM_EVT; 843 p_buf->hdr.layer_specific = conn_id; 844 845 memcpy(&p_buf->srvc_id, &p_char_id->srvc_id, sizeof(tBTA_GATT_SRVC_ID)); 846 memcpy(&p_buf->char_id, &p_char_id->char_id, sizeof(tBTA_GATT_ID)); 847 848 bta_sys_sendmsg(p_buf); 849 } 850 return; 851 852} 853 854/******************************************************************************* 855** 856** Function BTA_GATTC_RegisterForNotifications 857** 858** Description This function is called to register for notification of a service. 859** 860** Parameters client_if - client interface. 861** bda - target GATT server. 862** p_char_id - pointer to GATT characteristic ID. 863** 864** Returns OK if registration succeed, otherwise failed. 865** 866*******************************************************************************/ 867tBTA_GATT_STATUS BTA_GATTC_RegisterForNotifications (tBTA_GATTC_IF client_if, 868 BD_ADDR bda, 869 tBTA_GATTC_CHAR_ID *p_char_id) 870{ 871 tBTA_GATTC_RCB *p_clreg; 872 tBTA_GATT_STATUS status = BTA_GATT_ILLEGAL_PARAMETER; 873 UINT8 i; 874 875 if (!p_char_id) 876 { 877 APPL_TRACE_ERROR0("deregistration failed, unknow char id"); 878 return status; 879 } 880 881 /* lock other GKI task */ 882 GKI_sched_lock(); 883 884 if ((p_clreg = bta_gattc_cl_get_regcb(client_if)) != NULL) 885 { 886 for (i = 0; i < BTA_GATTC_NOTIF_REG_MAX; i ++) 887 { 888 if ( p_clreg->notif_reg[i].in_use && 889 !memcmp(p_clreg->notif_reg[i].remote_bda, bda, BD_ADDR_LEN) && 890 bta_gattc_charid_compare(&p_clreg->notif_reg[i].char_id, p_char_id)) 891 { 892 APPL_TRACE_WARNING0("notification already registered"); 893 status = BTA_GATT_OK; 894 break; 895 } 896 } 897 if (status != BTA_GATT_OK) 898 { 899 for (i = 0; i < BTA_GATTC_NOTIF_REG_MAX; i ++) 900 { 901 if (!p_clreg->notif_reg[i].in_use) 902 { 903 memset((void *)&p_clreg->notif_reg[i], 0, sizeof(tBTA_GATTC_NOTIF_REG)); 904 905 p_clreg->notif_reg[i].in_use = TRUE; 906 memcpy(p_clreg->notif_reg[i].remote_bda, bda, BD_ADDR_LEN); 907 908 p_clreg->notif_reg[i].char_id.srvc_id.is_primary = p_char_id->srvc_id.is_primary; 909 bta_gattc_cpygattid(&p_clreg->notif_reg[i].char_id.srvc_id.id, &p_char_id->srvc_id.id); 910 bta_gattc_cpygattid(&p_clreg->notif_reg[i].char_id.char_id, &p_char_id->char_id); 911 912 status = BTA_GATT_OK; 913 break; 914 } 915 } 916 if (i == BTA_GATTC_NOTIF_REG_MAX) 917 { 918 status = BTA_GATT_NO_RESOURCES; 919 APPL_TRACE_ERROR0("Max Notification Reached, registration failed."); 920 } 921 } 922 } 923 else 924 { 925 APPL_TRACE_ERROR1("Client_if: %d Not Registered", client_if); 926 } 927 928 GKI_sched_unlock(); 929 930 return status; 931} 932 933/******************************************************************************* 934** 935** Function BTA_GATTC_DeregisterForNotifications 936** 937** Description This function is called to de-register for notification of a service. 938** 939** Parameters client_if - client interface. 940** bda - target GATT server. 941** p_char_id - pointer to GATT characteristic ID. 942** 943** Returns OK if deregistration succeed, otherwise failed. 944** 945*******************************************************************************/ 946tBTA_GATT_STATUS BTA_GATTC_DeregisterForNotifications (tBTA_GATTC_IF client_if, 947 BD_ADDR bda, 948 tBTA_GATTC_CHAR_ID *p_char_id) 949{ 950 tBTA_GATTC_RCB *p_clreg; 951 tBTA_GATT_STATUS status = BTA_GATT_ILLEGAL_PARAMETER; 952 UINT8 i; 953 954 if (!p_char_id) 955 { 956 APPL_TRACE_ERROR0("deregistration failed, unknow char id"); 957 return status; 958 } 959 960 /* lock other GKI task */ 961 GKI_sched_lock(); 962 963 if ((p_clreg = bta_gattc_cl_get_regcb(client_if)) != NULL) 964 { 965 for (i = 0; i < BTA_GATTC_NOTIF_REG_MAX; i ++) 966 { 967 if (p_clreg->notif_reg[i].in_use && 968 !memcmp(p_clreg->notif_reg[i].remote_bda, bda, BD_ADDR_LEN) && 969 bta_gattc_charid_compare(&p_clreg->notif_reg[i].char_id, p_char_id)) 970 { 971 APPL_TRACE_DEBUG0("Deregistered."); 972 memset(&p_clreg->notif_reg[i], 0, sizeof(tBTA_GATTC_NOTIF_REG)); 973 status = BTA_GATT_OK; 974 break; 975 } 976 } 977 if (i == BTA_GATTC_NOTIF_REG_MAX) 978 { 979 status = BTA_GATT_ERROR; 980 981 APPL_TRACE_ERROR0("registration not found"); 982 } 983 } 984 else 985 { 986 APPL_TRACE_ERROR1("Client_if: %d Not Registered", client_if); 987 } 988 989 GKI_sched_unlock(); 990 991 return status; 992} 993 994/******************************************************************************* 995** 996** Function BTA_GATTC_Refresh 997** 998** Description Refresh the server cache of the remote device 999** 1000** Parameters remote_bda: remote device BD address. 1001** 1002** Returns void 1003** 1004*******************************************************************************/ 1005void BTA_GATTC_Refresh(BD_ADDR remote_bda) 1006{ 1007 tBTA_GATTC_API_OPEN *p_buf; 1008 1009 if ((p_buf = (tBTA_GATTC_API_OPEN *) GKI_getbuf(sizeof(tBTA_GATTC_API_OPEN))) != NULL) 1010 { 1011 p_buf->hdr.event = BTA_GATTC_API_REFRESH_EVT; 1012 1013 memcpy(p_buf->remote_bda, remote_bda, BD_ADDR_LEN); 1014 1015 1016 bta_sys_sendmsg(p_buf); 1017 } 1018 return; 1019} 1020 1021/******************************************************************************* 1022** 1023** Function BTA_GATTC_Listen 1024** 1025** Description Start advertisement to listen for connection request for a GATT 1026** client application. 1027** 1028** Parameters client_if: server interface. 1029** start: to start or stop listening for connection 1030** remote_bda: remote device BD address, if listen to all device 1031** use NULL. 1032** 1033** Returns void 1034** 1035*******************************************************************************/ 1036void BTA_GATTC_Listen(tBTA_GATTC_IF client_if, BOOLEAN start, BD_ADDR_PTR target_bda) 1037{ 1038 tBTA_GATTC_API_LISTEN *p_buf; 1039 1040 if ((p_buf = (tBTA_GATTC_API_LISTEN *) GKI_getbuf((UINT16)(sizeof(tBTA_GATTC_API_LISTEN) + BD_ADDR_LEN))) != NULL) 1041 { 1042 p_buf->hdr.event = BTA_GATTC_API_LISTEN_EVT; 1043 1044 p_buf->client_if = client_if; 1045 p_buf->start = start; 1046 if (target_bda) 1047 { 1048 p_buf->remote_bda = (UINT8*)(p_buf + 1); 1049 memcpy(p_buf->remote_bda, target_bda, BD_ADDR_LEN); 1050 } 1051 else 1052 p_buf->remote_bda = NULL; 1053 1054 bta_sys_sendmsg(p_buf); 1055 } 1056 return; 1057} 1058 1059/******************************************************************************* 1060** 1061** Function BTA_GATTC_Broadcast 1062** 1063** Description Start broadcasting (non-connectable advertisements) 1064** 1065** Parameters client_if: client interface. 1066** start: to start or stop listening for connection 1067** 1068** Returns void 1069** 1070*******************************************************************************/ 1071void BTA_GATTC_Broadcast(tBTA_GATTC_IF client_if, BOOLEAN start) 1072{ 1073 tBTA_GATTC_API_LISTEN *p_buf; 1074 1075 if ((p_buf = (tBTA_GATTC_API_LISTEN *) GKI_getbuf((UINT16)(sizeof(tBTA_GATTC_API_LISTEN) + BD_ADDR_LEN))) != NULL) 1076 { 1077 p_buf->hdr.event = BTA_GATTC_API_BROADCAST_EVT; 1078 p_buf->client_if = client_if; 1079 p_buf->start = start; 1080 bta_sys_sendmsg(p_buf); 1081 } 1082 return; 1083} 1084 1085#endif /* BTA_GATT_INCLUDED */ 1086 1087