1/****************************************************************************** 2 * 3 * Copyright (C) 2003-2012 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 file contains action functions for the audio gateway. 22 * 23 ******************************************************************************/ 24 25#include "bta_api.h" 26#include "bd.h" 27#include "bta_sys.h" 28#include "bta_ag_api.h" 29#include "bta_ag_co.h" 30#include "bta_ag_int.h" 31#include "port_api.h" 32#include "utl.h" 33#include <string.h> 34#include "bta_dm_int.h" 35#include "l2c_api.h" 36 37/***************************************************************************** 38** Constants 39*****************************************************************************/ 40 41/* maximum length of data to read from RFCOMM */ 42#define BTA_AG_RFC_READ_MAX 512 43 44/* maximum AT command length */ 45#define BTA_AG_CMD_MAX 512 46 47const UINT16 bta_ag_uuid[BTA_AG_NUM_IDX] = 48{ 49 UUID_SERVCLASS_HEADSET_AUDIO_GATEWAY, 50 UUID_SERVCLASS_AG_HANDSFREE 51}; 52 53const UINT8 bta_ag_sec_id[BTA_AG_NUM_IDX] = 54{ 55 BTM_SEC_SERVICE_HEADSET_AG, 56 BTM_SEC_SERVICE_AG_HANDSFREE 57}; 58 59const tBTA_SERVICE_ID bta_ag_svc_id[BTA_AG_NUM_IDX] = 60{ 61 BTA_HSP_SERVICE_ID, 62 BTA_HFP_SERVICE_ID 63}; 64 65const tBTA_SERVICE_MASK bta_ag_svc_mask[BTA_AG_NUM_IDX] = 66{ 67 BTA_HSP_SERVICE_MASK, 68 BTA_HFP_SERVICE_MASK 69}; 70 71typedef void (*tBTA_AG_ATCMD_CBACK)(tBTA_AG_SCB *p_scb, UINT16 cmd, UINT8 arg_type, 72 char *p_arg, INT16 int_arg); 73 74const tBTA_AG_ATCMD_CBACK bta_ag_at_cback_tbl[BTA_AG_NUM_IDX] = 75{ 76 bta_ag_at_hsp_cback, 77 bta_ag_at_hfp_cback 78}; 79 80/******************************************************************************* 81** 82** Function bta_ag_cback_open 83** 84** Description Send open callback event to application. 85** 86** 87** Returns void 88** 89*******************************************************************************/ 90static void bta_ag_cback_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data, tBTA_AG_STATUS status) 91{ 92 tBTA_AG_OPEN open; 93 94 /* call app callback with open event */ 95 open.hdr.handle = bta_ag_scb_to_idx(p_scb); 96 open.hdr.app_id = p_scb->app_id; 97 open.status = status; 98 open.service_id = bta_ag_svc_id[p_scb->conn_service]; 99 if(p_data) 100 { 101 /* if p_data is provided then we need to pick the bd address from the open api structure */ 102 bdcpy(open.bd_addr, p_data->api_open.bd_addr); 103 } 104 else 105 { 106 bdcpy(open.bd_addr, p_scb->peer_addr); 107 } 108 109 (*bta_ag_cb.p_cback)(BTA_AG_OPEN_EVT, (tBTA_AG *) &open); 110} 111 112/******************************************************************************* 113** 114** Function bta_ag_register 115** 116** Description This function initializes values of the AG cb and sets up 117** the SDP record for the services. 118** 119** 120** Returns void 121** 122*******************************************************************************/ 123void bta_ag_register(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 124{ 125 tBTA_AG_REGISTER reg; 126 127 /* initialize control block */ 128 p_scb->reg_services = p_data->api_register.services; 129 p_scb->serv_sec_mask = p_data->api_register.sec_mask; 130 p_scb->features = p_data->api_register.features; 131 p_scb->app_id = p_data->api_register.app_id; 132 133 /* create SDP records */ 134 bta_ag_create_records(p_scb, p_data); 135 136 /* start RFCOMM servers */ 137 bta_ag_start_servers(p_scb, p_scb->reg_services); 138 139 /* call app callback with register event */ 140 reg.hdr.handle = bta_ag_scb_to_idx(p_scb); 141 reg.hdr.app_id = p_scb->app_id; 142 reg.status = BTA_AG_SUCCESS; 143 (*bta_ag_cb.p_cback)(BTA_AG_REGISTER_EVT, (tBTA_AG *) ®); 144} 145 146/******************************************************************************* 147** 148** Function bta_ag_deregister 149** 150** Description This function removes the sdp records, closes the RFCOMM 151** servers, and deallocates the service control block. 152** 153** 154** Returns void 155** 156*******************************************************************************/ 157void bta_ag_deregister(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 158{ 159 /* set dealloc */ 160 p_scb->dealloc = TRUE; 161 162 /* remove sdp records */ 163 bta_ag_del_records(p_scb, p_data); 164 165 /* remove rfcomm servers */ 166 bta_ag_close_servers(p_scb, p_scb->reg_services); 167 168 /* dealloc */ 169 bta_ag_scb_dealloc(p_scb); 170} 171 172/******************************************************************************* 173** 174** Function bta_ag_start_dereg 175** 176** Description Start a deregister event. 177** 178** 179** Returns void 180** 181*******************************************************************************/ 182void bta_ag_start_dereg(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 183{ 184 /* set dealloc */ 185 p_scb->dealloc = TRUE; 186 187 /* remove sdp records */ 188 bta_ag_del_records(p_scb, p_data); 189} 190 191/******************************************************************************* 192** 193** Function bta_ag_start_open 194** 195** Description This starts an AG open. 196** 197** 198** Returns void 199** 200*******************************************************************************/ 201void bta_ag_start_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 202{ 203 BD_ADDR pending_bd_addr; 204 205 /* store parameters */ 206 if (p_data) 207 { 208 bdcpy(p_scb->peer_addr, p_data->api_open.bd_addr); 209 p_scb->open_services = p_data->api_open.services; 210 p_scb->cli_sec_mask = p_data->api_open.sec_mask; 211 } 212 213 /* Check if RFCOMM has any incoming connection to avoid collision. */ 214 if (PORT_IsOpening (pending_bd_addr)) 215 { 216 /* Let the incoming connection goes through. */ 217 /* Issue collision for this scb for now. */ 218 /* We will decide what to do when we find incoming connetion later. */ 219 bta_ag_collision_cback (0, BTA_ID_AG, 0, p_scb->peer_addr); 220 return; 221 } 222 223 /* close servers */ 224 bta_ag_close_servers(p_scb, p_scb->reg_services); 225 226 /* set role */ 227 p_scb->role = BTA_AG_INT; 228 229 /* do service search */ 230 bta_ag_do_disc(p_scb, p_scb->open_services); 231} 232 233/******************************************************************************* 234** 235** Function bta_ag_disc_int_res 236** 237** Description This function handles a discovery result when initiator. 238** 239** 240** Returns void 241** 242*******************************************************************************/ 243void bta_ag_disc_int_res(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 244{ 245 UINT16 event = BTA_AG_DISC_FAIL_EVT; 246 247 APPL_TRACE_DEBUG1 ("bta_ag_disc_int_res: Status: %d", p_data->disc_result.status); 248 249 /* if found service */ 250 if (p_data->disc_result.status == SDP_SUCCESS || 251 p_data->disc_result.status == SDP_DB_FULL) 252 { 253 /* get attributes */ 254 if (bta_ag_sdp_find_attr(p_scb, p_scb->open_services)) 255 { 256 /* set connected service */ 257 p_scb->conn_service = bta_ag_service_to_idx(p_scb->open_services); 258 259 /* send ourselves sdp ok event */ 260 event = BTA_AG_DISC_OK_EVT; 261 } 262 } 263 264 /* free discovery db */ 265 bta_ag_free_db(p_scb, p_data); 266 267 /* if service not found check if we should search for other service */ 268 if ((event == BTA_AG_DISC_FAIL_EVT) && 269 (p_data->disc_result.status == SDP_SUCCESS || 270 p_data->disc_result.status == SDP_DB_FULL || 271 p_data->disc_result.status == SDP_NO_RECS_MATCH)) 272 { 273 if ((p_scb->open_services & BTA_HFP_SERVICE_MASK) && 274 (p_scb->open_services & BTA_HSP_SERVICE_MASK)) 275 { 276 /* search for HSP */ 277 p_scb->open_services &= ~BTA_HFP_SERVICE_MASK; 278 bta_ag_do_disc(p_scb, p_scb->open_services); 279 } 280 else if ((p_scb->open_services & BTA_HSP_SERVICE_MASK) && 281 (p_scb->hsp_version == HSP_VERSION_1_2)) 282 { 283 /* search for UUID_SERVCLASS_HEADSET for HSP 1.0 device */ 284 p_scb->hsp_version = HSP_VERSION_1_0; 285 bta_ag_do_disc(p_scb, p_scb->open_services); 286 } 287 else 288 { 289 /* send ourselves sdp ok/fail event */ 290 bta_ag_sm_execute(p_scb, event, p_data); 291 } 292 } 293 else 294 { 295 /* send ourselves sdp ok/fail event */ 296 bta_ag_sm_execute(p_scb, event, p_data); 297 } 298 299} 300 301/******************************************************************************* 302** 303** Function bta_ag_disc_acp_res 304** 305** Description This function handles a discovery result when acceptor. 306** 307** 308** Returns void 309** 310*******************************************************************************/ 311void bta_ag_disc_acp_res(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 312{ 313 /* if found service */ 314 if (p_data->disc_result.status == SDP_SUCCESS || 315 p_data->disc_result.status == SDP_DB_FULL) 316 { 317 /* get attributes */ 318 bta_ag_sdp_find_attr(p_scb, bta_ag_svc_mask[p_scb->conn_service]); 319 } 320 321 /* free discovery db */ 322 bta_ag_free_db(p_scb, p_data); 323} 324 325/******************************************************************************* 326** 327** Function bta_ag_disc_fail 328** 329** Description This function handles a discovery failure. 330** 331** 332** Returns void 333** 334*******************************************************************************/ 335void bta_ag_disc_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 336{ 337 /* reopen registered servers */ 338 bta_ag_start_servers(p_scb, p_scb->reg_services); 339 340 /* reinitialize stuff */ 341 342 /* call open cback w. failure */ 343 bta_ag_cback_open(p_scb, NULL, BTA_AG_FAIL_SDP); 344} 345 346/******************************************************************************* 347** 348** Function bta_ag_open_fail 349** 350** Description open connection failed. 351** 352** 353** Returns void 354** 355*******************************************************************************/ 356void bta_ag_open_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 357{ 358 /* call open cback w. failure */ 359 bta_ag_cback_open(p_scb, p_data, BTA_AG_FAIL_RESOURCES); 360} 361 362/******************************************************************************* 363** 364** Function bta_ag_rfc_fail 365** 366** Description RFCOMM connection failed. 367** 368** 369** Returns void 370** 371*******************************************************************************/ 372void bta_ag_rfc_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 373{ 374 /* reinitialize stuff */ 375 p_scb->conn_handle = 0; 376 p_scb->conn_service = 0; 377 p_scb->peer_features = 0; 378#if (BTM_WBS_INCLUDED == TRUE ) 379 p_scb->peer_codecs = BTA_AG_CODEC_NONE; 380 p_scb->sco_codec = BTA_AG_CODEC_NONE; 381#endif 382 p_scb->role = 0; 383 p_scb->svc_conn = FALSE; 384 p_scb->hsp_version = HSP_VERSION_1_2; 385 386 /* reopen registered servers */ 387 bta_ag_start_servers(p_scb, p_scb->reg_services); 388 389 /* call open cback w. failure */ 390 bta_ag_cback_open(p_scb, NULL, BTA_AG_FAIL_RFCOMM); 391} 392 393/******************************************************************************* 394** 395** Function bta_ag_rfc_close 396** 397** Description RFCOMM connection closed. 398** 399** 400** Returns void 401** 402*******************************************************************************/ 403void bta_ag_rfc_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 404{ 405 tBTA_AG_HDR close; 406 tBTA_SERVICE_MASK services; 407 int i, num_active_conn = 0; 408 409#ifdef _WIN32_WCE 410 /* The BTE RFCOMM automatically removes the connection when closed, but BTW does not */ 411 if (p_scb->conn_handle != 0) 412 RFCOMM_RemoveConnection (p_scb->conn_handle); 413#endif 414 415 /* reinitialize stuff */ 416 p_scb->conn_service = 0; 417 p_scb->peer_features = 0; 418#if (BTM_WBS_INCLUDED == TRUE ) 419 p_scb->peer_codecs = BTA_AG_CODEC_NONE; 420 p_scb->sco_codec = BTA_AG_CODEC_NONE; 421#endif 422 p_scb->role = 0; 423 p_scb->post_sco = BTA_AG_POST_SCO_NONE; 424 p_scb->svc_conn = FALSE; 425 p_scb->hsp_version = HSP_VERSION_1_2; 426 bta_ag_at_reinit(&p_scb->at_cb); 427 428 /* stop timers */ 429 bta_sys_stop_timer(&p_scb->act_timer); 430#if (BTM_WBS_INCLUDED == TRUE) 431 bta_sys_stop_timer(&p_scb->cn_timer); 432#endif 433 434 close.handle = bta_ag_scb_to_idx(p_scb); 435 close.app_id = p_scb->app_id; 436 437 bta_sys_conn_close(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); 438 439 /* call close call-out */ 440 bta_ag_co_data_close(close.handle); 441 442 /* call close cback */ 443 (*bta_ag_cb.p_cback)(BTA_AG_CLOSE_EVT, (tBTA_AG *) &close); 444 445 /* if not deregistering (deallocating) reopen registered servers */ 446 if (p_scb->dealloc == FALSE) 447 { 448 /* Clear peer bd_addr so instance can be reused */ 449 bdcpy(p_scb->peer_addr, bd_addr_null); 450 451 /* start only unopened server */ 452 services = p_scb->reg_services; 453 for (i = 0; i < BTA_AG_NUM_IDX && services != 0; i++) 454 { 455 if(p_scb->serv_handle[i]) 456 services &= ~((tBTA_SERVICE_MASK)1 << (BTA_HSP_SERVICE_ID + i)); 457 } 458 bta_ag_start_servers(p_scb, services); 459 460 p_scb->conn_handle = 0; 461 462 /* Make sure SCO state is BTA_AG_SCO_SHUTDOWN_ST */ 463 bta_ag_sco_shutdown(p_scb, NULL); 464 465 /* Check if all the SLCs are down */ 466 for (i = 0; i < BTA_AG_NUM_SCB; i++) 467 { 468 if (bta_ag_cb.scb[i].in_use && bta_ag_cb.scb[i].svc_conn) 469 num_active_conn++; 470 } 471 472 if(!num_active_conn) 473 { 474 bta_sys_sco_unuse(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); 475 } 476 477 } 478 /* else close port and deallocate scb */ 479 else 480 { 481 RFCOMM_RemoveServer(p_scb->conn_handle); 482 bta_ag_scb_dealloc(p_scb); 483 } 484} 485 486/******************************************************************************* 487** 488** Function bta_ag_rfc_open 489** 490** Description Handle RFCOMM channel open. 491** 492** 493** Returns void 494** 495*******************************************************************************/ 496void bta_ag_rfc_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 497{ 498 /* initialize AT feature variables */ 499 p_scb->clip_enabled = FALSE; 500 p_scb->ccwa_enabled = FALSE; 501 p_scb->cmer_enabled = FALSE; 502 p_scb->cmee_enabled = FALSE; 503 p_scb->inband_enabled = ((p_scb->features & BTA_AG_FEAT_INBAND) == BTA_AG_FEAT_INBAND); 504 505 /* set up AT command interpreter */ 506 p_scb->at_cb.p_at_tbl = (tBTA_AG_AT_CMD *) bta_ag_at_tbl[p_scb->conn_service]; 507 p_scb->at_cb.p_cmd_cback = (tBTA_AG_AT_CMD_CBACK *) bta_ag_at_cback_tbl[p_scb->conn_service]; 508 p_scb->at_cb.p_err_cback = (tBTA_AG_AT_ERR_CBACK *) bta_ag_at_err_cback; 509 p_scb->at_cb.p_user = p_scb; 510 p_scb->at_cb.cmd_max_len = BTA_AG_CMD_MAX; 511 bta_ag_at_init(&p_scb->at_cb); 512 513 /* call app open call-out */ 514 bta_ag_co_data_open(bta_ag_scb_to_idx(p_scb), bta_ag_svc_id[p_scb->conn_service]); 515 516 bta_sys_conn_open(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); 517 518 bta_ag_cback_open(p_scb, NULL, BTA_AG_SUCCESS); 519 520 if (p_scb->conn_service == BTA_AG_HFP) 521 { 522 /* if hfp start timer for service level conn */ 523 bta_sys_start_timer(&p_scb->act_timer, BTA_AG_SVC_TOUT_EVT, p_bta_ag_cfg->conn_tout); 524 } 525 else 526 { 527 /* else service level conn is open */ 528 bta_ag_svc_conn_open(p_scb, p_data); 529 } 530} 531 532/******************************************************************************* 533** 534** Function bta_ag_rfc_acp_open 535** 536** Description Handle RFCOMM channel open when accepting connection. 537** 538** 539** Returns void 540** 541*******************************************************************************/ 542void bta_ag_rfc_acp_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 543{ 544 UINT16 lcid; 545 int i; 546 tBTA_AG_SCB *ag_scb, *other_scb; 547 BD_ADDR dev_addr; 548 int status; 549 550 /* set role */ 551 p_scb->role = BTA_AG_ACP; 552 553 APPL_TRACE_DEBUG2 ("bta_ag_rfc_acp_open: serv_handle0 = %d serv_handle1 = %d", 554 p_scb->serv_handle[0], p_scb->serv_handle[1]); 555 556 /* get bd addr of peer */ 557 if (PORT_SUCCESS != (status=PORT_CheckConnection(p_data->rfc.port_handle, dev_addr, &lcid))) 558 { 559 APPL_TRACE_DEBUG1 ("bta_ag_rfc_acp_open error PORT_CheckConnection returned status %d", status); 560 } 561 562 /* Collision Handling */ 563 for (i = 0, ag_scb = &bta_ag_cb.scb[0]; i < BTA_AG_NUM_SCB; i++, ag_scb++) 564 { 565 if ((ag_scb->in_use) && (ag_scb->colli_tmr_on)) 566 { 567 /* stop collision timer */ 568 ag_scb->colli_tmr_on = FALSE; 569 bta_sys_stop_timer (&ag_scb->colli_timer); 570 571 if (bdcmp (dev_addr, ag_scb->peer_addr) == 0) 572 { 573 /* If incoming and outgoing device are same, nothing more to do. */ 574 /* Outgoing conn will be aborted because we have successful incoming conn. */ 575 } 576 else 577 { 578 /* Resume outgoing connection. */ 579 other_scb = bta_ag_get_other_idle_scb (p_scb); 580 if (other_scb) 581 { 582 bdcpy(other_scb->peer_addr, ag_scb->peer_addr); 583 other_scb->open_services = ag_scb->open_services; 584 other_scb->cli_sec_mask = ag_scb->cli_sec_mask; 585 586 bta_ag_resume_open (other_scb); 587 } 588 } 589 590 break; 591 } 592 } 593 594 bdcpy (p_scb->peer_addr, dev_addr); 595 596 /* determine connected service from port handle */ 597 for (i = 0; i < BTA_AG_NUM_IDX; i++) 598 { 599 APPL_TRACE_DEBUG3 ("bta_ag_rfc_acp_open: i = %d serv_handle = %d port_handle = %d", 600 i, p_scb->serv_handle[i], p_data->rfc.port_handle); 601 602 if (p_scb->serv_handle[i] == p_data->rfc.port_handle) 603 { 604 p_scb->conn_service = i; 605 p_scb->conn_handle = p_data->rfc.port_handle; 606 break; 607 } 608 } 609 610 APPL_TRACE_DEBUG2 ("bta_ag_rfc_acp_open: conn_service = %d conn_handle = %d", 611 p_scb->conn_service, p_scb->conn_handle); 612 613 /* close any unopened server */ 614 bta_ag_close_servers(p_scb, (p_scb->reg_services & ~bta_ag_svc_mask[p_scb->conn_service])); 615 616 /* do service discovery to get features */ 617 bta_ag_do_disc(p_scb, bta_ag_svc_mask[p_scb->conn_service]); 618 619 /* continue with common open processing */ 620 bta_ag_rfc_open(p_scb, p_data); 621 622 623 624} 625 626/******************************************************************************* 627** 628** Function bta_ag_rfc_data 629** 630** Description Read and process data from RFCOMM. 631** 632** 633** Returns void 634** 635*******************************************************************************/ 636void bta_ag_rfc_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 637{ 638 UINT16 len; 639 char buf[BTA_AG_RFC_READ_MAX]; 640 641 memset(buf, 0, BTA_AG_RFC_READ_MAX); 642 643 /* do the following */ 644 for(;;) 645 { 646 /* read data from rfcomm; if bad status, we're done */ 647 if (PORT_ReadData(p_scb->conn_handle, buf, BTA_AG_RFC_READ_MAX, &len) != PORT_SUCCESS) 648 { 649 break; 650 } 651 652 /* if no data, we're done */ 653 if (len == 0) 654 { 655 break; 656 } 657 658 /* run AT command interpreter on data */ 659 bta_ag_at_parse(&p_scb->at_cb, buf, len); 660 661 /* no more data to read, we're done */ 662 if (len < BTA_AG_RFC_READ_MAX) 663 { 664 break; 665 } 666 } 667} 668 669/******************************************************************************* 670** 671** Function bta_ag_start_close 672** 673** Description Start the process of closing SCO and RFCOMM connection. 674** 675** 676** Returns void 677** 678*******************************************************************************/ 679void bta_ag_start_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 680{ 681 /* Take the link out of sniff and set L2C idle time to 0 */ 682 bta_dm_pm_active(p_scb->peer_addr); 683 L2CA_SetIdleTimeoutByBdAddr(p_scb->peer_addr, 0); 684 685 /* if SCO is open close SCO and wait on RFCOMM close */ 686 if (bta_ag_sco_is_open(p_scb)) 687 { 688 p_scb->post_sco = BTA_AG_POST_SCO_CLOSE_RFC; 689 } 690 else 691 { 692 p_scb->post_sco = BTA_AG_POST_SCO_NONE; 693 bta_ag_rfc_do_close(p_scb, p_data); 694 } 695 696 /* always do SCO shutdown to handle all SCO corner cases */ 697 bta_ag_sco_shutdown(p_scb, p_data); 698} 699 700/******************************************************************************* 701** 702** Function bta_ag_post_sco_open 703** 704** Description Perform post-SCO open action, if any 705** 706** 707** Returns void 708** 709*******************************************************************************/ 710void bta_ag_post_sco_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 711{ 712 switch (p_scb->post_sco) 713 { 714 case BTA_AG_POST_SCO_RING: 715 bta_ag_send_ring(p_scb, p_data); 716 p_scb->post_sco = BTA_AG_POST_SCO_NONE; 717 break; 718 719 case BTA_AG_POST_SCO_CALL_CONN: 720 bta_ag_send_call_inds(p_scb, BTA_AG_IN_CALL_CONN_RES); 721 p_scb->post_sco = BTA_AG_POST_SCO_NONE; 722 break; 723 724 default: 725 break; 726 } 727} 728 729/******************************************************************************* 730** 731** Function bta_ag_post_sco_close 732** 733** Description Perform post-SCO close action, if any 734** 735** 736** Returns void 737** 738*******************************************************************************/ 739void bta_ag_post_sco_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 740{ 741 switch (p_scb->post_sco) 742 { 743 case BTA_AG_POST_SCO_CLOSE_RFC: 744 bta_ag_rfc_do_close(p_scb, p_data); 745 p_scb->post_sco = BTA_AG_POST_SCO_NONE; 746 break; 747 748 case BTA_AG_POST_SCO_CALL_CONN: 749 bta_ag_send_call_inds(p_scb, BTA_AG_IN_CALL_CONN_RES); 750 p_scb->post_sco = BTA_AG_POST_SCO_NONE; 751 break; 752 753 case BTA_AG_POST_SCO_CALL_ORIG: 754 bta_ag_send_call_inds(p_scb, BTA_AG_OUT_CALL_ORIG_RES); 755 p_scb->post_sco = BTA_AG_POST_SCO_NONE; 756 break; 757 758 case BTA_AG_POST_SCO_CALL_END: 759 bta_ag_send_call_inds(p_scb, BTA_AG_END_CALL_RES); 760 p_scb->post_sco = BTA_AG_POST_SCO_NONE; 761 break; 762 763 case BTA_AG_POST_SCO_CALL_END_INCALL: 764 bta_ag_send_call_inds(p_scb, BTA_AG_END_CALL_RES); 765 766 /* Sending callsetup IND and Ring were defered to after SCO close. */ 767 bta_ag_send_call_inds(p_scb, BTA_AG_IN_CALL_RES); 768 769 if (bta_ag_inband_enabled(p_scb) && !(p_scb->features & BTA_AG_FEAT_NOSCO)) 770 { 771 p_scb->post_sco = BTA_AG_POST_SCO_RING; 772 bta_ag_sco_open(p_scb, p_data); 773 } 774 else 775 { 776 p_scb->post_sco = BTA_AG_POST_SCO_NONE; 777 bta_ag_send_ring(p_scb, p_data); 778 } 779 break; 780 781 default: 782 break; 783 } 784} 785 786/******************************************************************************* 787** 788** Function bta_ag_svc_conn_open 789** 790** Description Service level connection opened 791** 792** 793** Returns void 794** 795*******************************************************************************/ 796void bta_ag_svc_conn_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 797{ 798 tBTA_AG_CONN evt; 799 800 if (!p_scb->svc_conn) 801 { 802 /* set state variable */ 803 p_scb->svc_conn = TRUE; 804 805 /* Clear AT+BIA mask from previous SLC if any. */ 806 p_scb->bia_masked_out = 0; 807 808 /* stop timer */ 809 bta_sys_stop_timer(&p_scb->act_timer); 810 811 /* call callback */ 812 evt.hdr.handle = bta_ag_scb_to_idx(p_scb); 813 evt.hdr.app_id = p_scb->app_id; 814 evt.peer_feat = p_scb->peer_features; 815#if (BTM_WBS_INCLUDED == TRUE ) 816 evt.peer_codec = p_scb->peer_codecs; 817#endif 818 819 if ((p_scb->call_ind != BTA_AG_CALL_INACTIVE) || 820 (p_scb->callsetup_ind != BTA_AG_CALLSETUP_NONE)) 821 { 822 bta_sys_sco_use(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); 823 } 824 825 (*bta_ag_cb.p_cback)(BTA_AG_CONN_EVT, (tBTA_AG *) &evt); 826 } 827} 828 829/******************************************************************************* 830** 831** Function bta_ag_ci_rx_data 832** 833** Description Send result code 834** 835** Returns void 836** 837*******************************************************************************/ 838void bta_ag_ci_rx_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 839{ 840 UINT16 len; 841 tBTA_AG_CI_RX_WRITE *p_rx_write_msg = (tBTA_AG_CI_RX_WRITE *)p_data; 842 char *p_data_area = (char *)(p_rx_write_msg+1); /* Point to data area after header */ 843 844 /* send to RFCOMM */ 845 PORT_WriteData(p_scb->conn_handle, p_data_area, strlen(p_data_area), &len); 846} 847 848/******************************************************************************* 849** 850** Function bta_ag_rcvd_slc_ready 851** 852** Description Handles SLC ready call-in in case of pass-through mode. 853** 854** Returns void 855** 856*******************************************************************************/ 857void bta_ag_rcvd_slc_ready(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) 858{ 859 APPL_TRACE_DEBUG1("bta_ag_rcvd_slc_ready: handle = %d", bta_ag_scb_to_idx(p_scb)); 860 861 if (bta_ag_cb.parse_mode == BTA_AG_PASS_THROUGH) 862 { 863 /* In pass-through mode, BTA knows that SLC is ready only through call-in. */ 864 bta_ag_svc_conn_open(p_scb, NULL); 865 } 866} 867 868