1 /******************************************************************************
3 * Copyright (C) 2003-2012 Broadcom Corporation
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:
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 ******************************************************************************/
19 /******************************************************************************
21 * This file contains action functions for the audio gateway.
23 ******************************************************************************/
27 #include "bta_ag_api.h"
28 #include "bta_ag_co.h"
29 #include "bta_ag_int.h"
33 #include "bta_dm_int.h"
36 /*****************************************************************************
38 *****************************************************************************/
40 /* maximum length of data to read from RFCOMM */
41 #define BTA_AG_RFC_READ_MAX 512
43 /* maximum AT command length */
44 #define BTA_AG_CMD_MAX 512
46 const UINT16 bta_ag_uuid[BTA_AG_NUM_IDX] =
48 UUID_SERVCLASS_HEADSET_AUDIO_GATEWAY,
49 UUID_SERVCLASS_AG_HANDSFREE
52 const UINT8 bta_ag_sec_id[BTA_AG_NUM_IDX] =
54 BTM_SEC_SERVICE_HEADSET_AG,
55 BTM_SEC_SERVICE_AG_HANDSFREE
58 const tBTA_SERVICE_ID bta_ag_svc_id[BTA_AG_NUM_IDX] =
64 const tBTA_SERVICE_MASK bta_ag_svc_mask[BTA_AG_NUM_IDX] =
70 typedef void (*tBTA_AG_ATCMD_CBACK)(tBTA_AG_SCB *p_scb, UINT16 cmd, UINT8 arg_type,
71 char *p_arg, char *p_end, INT16 int_arg);
73 const tBTA_AG_ATCMD_CBACK bta_ag_at_cback_tbl[BTA_AG_NUM_IDX] =
79 /*******************************************************************************
81 ** Function bta_ag_cback_open
83 ** Description Send open callback event to application.
88 *******************************************************************************/
89 static void bta_ag_cback_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data, tBTA_AG_STATUS status)
93 /* call app callback with open event */
94 open.hdr.handle = bta_ag_scb_to_idx(p_scb);
95 open.hdr.app_id = p_scb->app_id;
97 open.service_id = bta_ag_svc_id[p_scb->conn_service];
100 /* if p_data is provided then we need to pick the bd address from the open api structure */
101 bdcpy(open.bd_addr, p_data->api_open.bd_addr);
105 bdcpy(open.bd_addr, p_scb->peer_addr);
108 (*bta_ag_cb.p_cback)(BTA_AG_OPEN_EVT, (tBTA_AG *) &open);
111 /*******************************************************************************
113 ** Function bta_ag_register
115 ** Description This function initializes values of the AG cb and sets up
116 ** the SDP record for the services.
121 *******************************************************************************/
122 void bta_ag_register(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
124 tBTA_AG_REGISTER reg;
126 /* initialize control block */
127 p_scb->reg_services = p_data->api_register.services;
128 p_scb->serv_sec_mask = p_data->api_register.sec_mask;
129 p_scb->features = p_data->api_register.features;
130 p_scb->app_id = p_data->api_register.app_id;
132 /* create SDP records */
133 bta_ag_create_records(p_scb, p_data);
135 /* start RFCOMM servers */
136 bta_ag_start_servers(p_scb, p_scb->reg_services);
138 /* call app callback with register event */
139 reg.hdr.handle = bta_ag_scb_to_idx(p_scb);
140 reg.hdr.app_id = p_scb->app_id;
141 reg.status = BTA_AG_SUCCESS;
142 (*bta_ag_cb.p_cback)(BTA_AG_REGISTER_EVT, (tBTA_AG *) ®);
145 /*******************************************************************************
147 ** Function bta_ag_deregister
149 ** Description This function removes the sdp records, closes the RFCOMM
150 ** servers, and deallocates the service control block.
155 *******************************************************************************/
156 void bta_ag_deregister(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
159 p_scb->dealloc = TRUE;
161 /* remove sdp records */
162 bta_ag_del_records(p_scb, p_data);
164 /* remove rfcomm servers */
165 bta_ag_close_servers(p_scb, p_scb->reg_services);
168 bta_ag_scb_dealloc(p_scb);
171 /*******************************************************************************
173 ** Function bta_ag_start_dereg
175 ** Description Start a deregister event.
180 *******************************************************************************/
181 void bta_ag_start_dereg(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
184 p_scb->dealloc = TRUE;
186 /* remove sdp records */
187 bta_ag_del_records(p_scb, p_data);
190 /*******************************************************************************
192 ** Function bta_ag_start_open
194 ** Description This starts an AG open.
199 *******************************************************************************/
200 void bta_ag_start_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
202 BD_ADDR pending_bd_addr;
204 /* store parameters */
207 bdcpy(p_scb->peer_addr, p_data->api_open.bd_addr);
208 p_scb->open_services = p_data->api_open.services;
209 p_scb->cli_sec_mask = p_data->api_open.sec_mask;
212 /* Check if RFCOMM has any incoming connection to avoid collision. */
213 if (PORT_IsOpening (pending_bd_addr))
215 /* Let the incoming connection goes through. */
216 /* Issue collision for this scb for now. */
217 /* We will decide what to do when we find incoming connetion later. */
218 bta_ag_collision_cback (0, BTA_ID_AG, 0, p_scb->peer_addr);
223 bta_ag_close_servers(p_scb, p_scb->reg_services);
226 p_scb->role = BTA_AG_INT;
228 /* do service search */
229 bta_ag_do_disc(p_scb, p_scb->open_services);
232 /*******************************************************************************
234 ** Function bta_ag_disc_int_res
236 ** Description This function handles a discovery result when initiator.
241 *******************************************************************************/
242 void bta_ag_disc_int_res(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
244 UINT16 event = BTA_AG_DISC_FAIL_EVT;
246 APPL_TRACE_DEBUG ("bta_ag_disc_int_res: Status: %d", p_data->disc_result.status);
248 /* if found service */
249 if (p_data->disc_result.status == SDP_SUCCESS ||
250 p_data->disc_result.status == SDP_DB_FULL)
253 if (bta_ag_sdp_find_attr(p_scb, p_scb->open_services))
255 /* set connected service */
256 p_scb->conn_service = bta_ag_service_to_idx(p_scb->open_services);
258 /* send ourselves sdp ok event */
259 event = BTA_AG_DISC_OK_EVT;
263 /* free discovery db */
264 bta_ag_free_db(p_scb, p_data);
266 /* if service not found check if we should search for other service */
267 if ((event == BTA_AG_DISC_FAIL_EVT) &&
268 (p_data->disc_result.status == SDP_SUCCESS ||
269 p_data->disc_result.status == SDP_DB_FULL ||
270 p_data->disc_result.status == SDP_NO_RECS_MATCH))
272 if ((p_scb->open_services & BTA_HFP_SERVICE_MASK) &&
273 (p_scb->open_services & BTA_HSP_SERVICE_MASK))
276 p_scb->open_services &= ~BTA_HFP_SERVICE_MASK;
277 bta_ag_do_disc(p_scb, p_scb->open_services);
279 else if ((p_scb->open_services & BTA_HSP_SERVICE_MASK) &&
280 (p_scb->hsp_version == HSP_VERSION_1_2))
282 /* search for UUID_SERVCLASS_HEADSET for HSP 1.0 device */
283 p_scb->hsp_version = HSP_VERSION_1_0;
284 bta_ag_do_disc(p_scb, p_scb->open_services);
288 /* send ourselves sdp ok/fail event */
289 bta_ag_sm_execute(p_scb, event, p_data);
294 /* send ourselves sdp ok/fail event */
295 bta_ag_sm_execute(p_scb, event, p_data);
300 /*******************************************************************************
302 ** Function bta_ag_disc_acp_res
304 ** Description This function handles a discovery result when acceptor.
309 *******************************************************************************/
310 void bta_ag_disc_acp_res(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
312 /* if found service */
313 if (p_data->disc_result.status == SDP_SUCCESS ||
314 p_data->disc_result.status == SDP_DB_FULL)
317 bta_ag_sdp_find_attr(p_scb, bta_ag_svc_mask[p_scb->conn_service]);
320 /* free discovery db */
321 bta_ag_free_db(p_scb, p_data);
324 /*******************************************************************************
326 ** Function bta_ag_disc_fail
328 ** Description This function handles a discovery failure.
333 *******************************************************************************/
334 void bta_ag_disc_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
338 /* reopen registered servers */
339 bta_ag_start_servers(p_scb, p_scb->reg_services);
341 /* reinitialize stuff */
343 /* clear the remote BD address */
344 bdcpy(p_scb->peer_addr, bd_addr_null);
346 /* call open cback w. failure */
347 bta_ag_cback_open(p_scb, NULL, BTA_AG_FAIL_SDP);
350 /*******************************************************************************
352 ** Function bta_ag_open_fail
354 ** Description open connection failed.
359 *******************************************************************************/
360 void bta_ag_open_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
362 /* call open cback w. failure */
363 bta_ag_cback_open(p_scb, p_data, BTA_AG_FAIL_RESOURCES);
366 /*******************************************************************************
368 ** Function bta_ag_rfc_fail
370 ** Description RFCOMM connection failed.
375 *******************************************************************************/
376 void bta_ag_rfc_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
380 /* reinitialize stuff */
381 p_scb->conn_handle = 0;
382 p_scb->conn_service = 0;
383 p_scb->peer_features = 0;
384 #if (BTM_WBS_INCLUDED == TRUE )
385 p_scb->peer_codecs = BTA_AG_CODEC_CVSD;
386 p_scb->sco_codec = BTA_AG_CODEC_CVSD;
389 p_scb->svc_conn = FALSE;
390 p_scb->hsp_version = HSP_VERSION_1_2;
391 /*Clear the BD address*/
392 bdcpy(p_scb->peer_addr, bd_addr_null);
394 /* reopen registered servers */
395 bta_ag_start_servers(p_scb, p_scb->reg_services);
397 /* call open cback w. failure */
398 bta_ag_cback_open(p_scb, NULL, BTA_AG_FAIL_RFCOMM);
401 /*******************************************************************************
403 ** Function bta_ag_rfc_close
405 ** Description RFCOMM connection closed.
410 *******************************************************************************/
411 void bta_ag_rfc_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
414 tBTA_SERVICE_MASK services;
415 int i, num_active_conn = 0;
418 /* reinitialize stuff */
419 p_scb->conn_service = 0;
420 p_scb->peer_features = 0;
421 #if (BTM_WBS_INCLUDED == TRUE )
422 p_scb->peer_codecs = BTA_AG_CODEC_CVSD;
423 p_scb->sco_codec = BTA_AG_CODEC_CVSD;
424 /* Clear these flags upon SLC teardown */
425 p_scb->codec_updated = FALSE;
426 p_scb->codec_fallback = FALSE;
427 p_scb->codec_msbc_settings = BTA_AG_SCO_MSBC_SETTINGS_T2;
430 p_scb->post_sco = BTA_AG_POST_SCO_NONE;
431 p_scb->svc_conn = FALSE;
432 p_scb->hsp_version = HSP_VERSION_1_2;
433 bta_ag_at_reinit(&p_scb->at_cb);
435 memset(&(p_scb->peer_hf_indicators), 0, sizeof(p_scb->peer_hf_indicators));
436 memset(&(p_scb->local_hf_indicators), 0, sizeof(p_scb->local_hf_indicators));
439 alarm_cancel(p_scb->ring_timer);
440 #if (BTM_WBS_INCLUDED == TRUE)
441 alarm_cancel(p_scb->codec_negotiation_timer);
444 close.hdr.handle = bta_ag_scb_to_idx(p_scb);
445 close.hdr.app_id = p_scb->app_id;
446 bdcpy(close.bd_addr, p_scb->peer_addr);
448 bta_sys_conn_close(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
450 /* call close call-out */
451 bta_ag_co_data_close(close.hdr.handle);
453 /* call close cback */
454 (*bta_ag_cb.p_cback)(BTA_AG_CLOSE_EVT, (tBTA_AG *) &close);
456 /* if not deregistering (deallocating) reopen registered servers */
457 if (p_scb->dealloc == FALSE)
459 /* Clear peer bd_addr so instance can be reused */
460 bdcpy(p_scb->peer_addr, bd_addr_null);
462 /* start only unopened server */
463 services = p_scb->reg_services;
464 for (i = 0; i < BTA_AG_NUM_IDX && services != 0; i++)
466 if(p_scb->serv_handle[i])
467 services &= ~((tBTA_SERVICE_MASK)1 << (BTA_HSP_SERVICE_ID + i));
469 bta_ag_start_servers(p_scb, services);
471 p_scb->conn_handle = 0;
473 /* Make sure SCO state is BTA_AG_SCO_SHUTDOWN_ST */
474 bta_ag_sco_shutdown(p_scb, NULL);
476 /* Check if all the SLCs are down */
477 for (i = 0; i < BTA_AG_NUM_SCB; i++)
479 if (bta_ag_cb.scb[i].in_use && bta_ag_cb.scb[i].svc_conn)
485 bta_sys_sco_unuse(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
489 /* else close port and deallocate scb */
492 RFCOMM_RemoveServer(p_scb->conn_handle);
493 bta_ag_scb_dealloc(p_scb);
497 /*******************************************************************************
499 ** Function bta_ag_rfc_open
501 ** Description Handle RFCOMM channel open.
506 *******************************************************************************/
507 void bta_ag_rfc_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
509 /* initialize AT feature variables */
510 p_scb->clip_enabled = FALSE;
511 p_scb->ccwa_enabled = FALSE;
512 p_scb->cmer_enabled = FALSE;
513 p_scb->cmee_enabled = FALSE;
514 p_scb->inband_enabled = ((p_scb->features & BTA_AG_FEAT_INBAND) == BTA_AG_FEAT_INBAND);
516 /* set up AT command interpreter */
517 p_scb->at_cb.p_at_tbl = (tBTA_AG_AT_CMD *) bta_ag_at_tbl[p_scb->conn_service];
518 p_scb->at_cb.p_cmd_cback = (tBTA_AG_AT_CMD_CBACK *) bta_ag_at_cback_tbl[p_scb->conn_service];
519 p_scb->at_cb.p_err_cback = (tBTA_AG_AT_ERR_CBACK *) bta_ag_at_err_cback;
520 p_scb->at_cb.p_user = p_scb;
521 p_scb->at_cb.cmd_max_len = BTA_AG_CMD_MAX;
522 bta_ag_at_init(&p_scb->at_cb);
524 /* call app open call-out */
525 bta_ag_co_data_open(bta_ag_scb_to_idx(p_scb), bta_ag_svc_id[p_scb->conn_service]);
527 bta_sys_conn_open(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
529 bta_ag_cback_open(p_scb, NULL, BTA_AG_SUCCESS);
531 if (p_scb->conn_service == BTA_AG_HFP) {
532 /* if hfp start timer for service level conn */
533 bta_sys_start_timer(p_scb->ring_timer, p_bta_ag_cfg->conn_tout,
534 BTA_AG_SVC_TIMEOUT_EVT, bta_ag_scb_to_idx(p_scb));
536 /* else service level conn is open */
537 bta_ag_svc_conn_open(p_scb, p_data);
541 /*******************************************************************************
543 ** Function bta_ag_rfc_acp_open
545 ** Description Handle RFCOMM channel open when accepting connection.
550 *******************************************************************************/
551 void bta_ag_rfc_acp_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
555 tBTA_AG_SCB *ag_scb, *other_scb;
560 p_scb->role = BTA_AG_ACP;
562 APPL_TRACE_DEBUG ("bta_ag_rfc_acp_open: serv_handle0 = %d serv_handle1 = %d",
563 p_scb->serv_handle[0], p_scb->serv_handle[1]);
565 /* get bd addr of peer */
566 if (PORT_SUCCESS != (status=PORT_CheckConnection(p_data->rfc.port_handle, dev_addr, &lcid)))
568 APPL_TRACE_DEBUG ("bta_ag_rfc_acp_open error PORT_CheckConnection returned status %d", status);
571 /* Collision Handling */
572 for (i = 0, ag_scb = &bta_ag_cb.scb[0]; i < BTA_AG_NUM_SCB; i++, ag_scb++)
574 if (ag_scb->in_use && alarm_is_scheduled(ag_scb->collision_timer))
576 alarm_cancel(ag_scb->collision_timer);
578 if (bdcmp (dev_addr, ag_scb->peer_addr) == 0)
580 /* If incoming and outgoing device are same, nothing more to do. */
581 /* Outgoing conn will be aborted because we have successful incoming conn. */
585 /* Resume outgoing connection. */
586 other_scb = bta_ag_get_other_idle_scb (p_scb);
589 bdcpy(other_scb->peer_addr, ag_scb->peer_addr);
590 other_scb->open_services = ag_scb->open_services;
591 other_scb->cli_sec_mask = ag_scb->cli_sec_mask;
593 bta_ag_resume_open (other_scb);
601 bdcpy (p_scb->peer_addr, dev_addr);
603 /* determine connected service from port handle */
604 for (i = 0; i < BTA_AG_NUM_IDX; i++)
606 APPL_TRACE_DEBUG ("bta_ag_rfc_acp_open: i = %d serv_handle = %d port_handle = %d",
607 i, p_scb->serv_handle[i], p_data->rfc.port_handle);
609 if (p_scb->serv_handle[i] == p_data->rfc.port_handle)
611 p_scb->conn_service = i;
612 p_scb->conn_handle = p_data->rfc.port_handle;
617 APPL_TRACE_DEBUG ("bta_ag_rfc_acp_open: conn_service = %d conn_handle = %d",
618 p_scb->conn_service, p_scb->conn_handle);
620 /* close any unopened server */
621 bta_ag_close_servers(p_scb, (p_scb->reg_services & ~bta_ag_svc_mask[p_scb->conn_service]));
623 /* do service discovery to get features */
624 bta_ag_do_disc(p_scb, bta_ag_svc_mask[p_scb->conn_service]);
626 /* continue with common open processing */
627 bta_ag_rfc_open(p_scb, p_data);
633 /*******************************************************************************
635 ** Function bta_ag_rfc_data
637 ** Description Read and process data from RFCOMM.
642 *******************************************************************************/
643 void bta_ag_rfc_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
646 char buf[BTA_AG_RFC_READ_MAX];
649 memset(buf, 0, BTA_AG_RFC_READ_MAX);
651 APPL_TRACE_DEBUG("%s", __func__);
653 /* do the following */
656 /* read data from rfcomm; if bad status, we're done */
657 if (PORT_ReadData(p_scb->conn_handle, buf, BTA_AG_RFC_READ_MAX, &len) != PORT_SUCCESS)
662 /* if no data, we're done */
668 /* run AT command interpreter on data */
669 bta_sys_busy(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
670 bta_ag_at_parse(&p_scb->at_cb, buf, len);
671 if ((p_scb->sco_idx != BTM_INVALID_SCO_INDEX) && bta_ag_sco_is_open(p_scb))
673 APPL_TRACE_DEBUG ("%s change link policy for SCO", __func__);
674 bta_sys_sco_open(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
676 bta_sys_idle(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
679 /* no more data to read, we're done */
680 if (len < BTA_AG_RFC_READ_MAX)
687 /*******************************************************************************
689 ** Function bta_ag_start_close
691 ** Description Start the process of closing SCO and RFCOMM connection.
696 *******************************************************************************/
697 void bta_ag_start_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
699 /* Take the link out of sniff and set L2C idle time to 0 */
700 bta_dm_pm_active(p_scb->peer_addr);
701 L2CA_SetIdleTimeoutByBdAddr(p_scb->peer_addr, 0, BT_TRANSPORT_BR_EDR);
703 /* if SCO is open close SCO and wait on RFCOMM close */
704 if (bta_ag_sco_is_open(p_scb))
706 p_scb->post_sco = BTA_AG_POST_SCO_CLOSE_RFC;
710 p_scb->post_sco = BTA_AG_POST_SCO_NONE;
711 bta_ag_rfc_do_close(p_scb, p_data);
714 /* always do SCO shutdown to handle all SCO corner cases */
715 bta_ag_sco_shutdown(p_scb, p_data);
718 /*******************************************************************************
720 ** Function bta_ag_post_sco_open
722 ** Description Perform post-SCO open action, if any
727 *******************************************************************************/
728 void bta_ag_post_sco_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
730 switch (p_scb->post_sco)
732 case BTA_AG_POST_SCO_RING:
733 bta_ag_send_ring(p_scb, p_data);
734 p_scb->post_sco = BTA_AG_POST_SCO_NONE;
737 case BTA_AG_POST_SCO_CALL_CONN:
738 bta_ag_send_call_inds(p_scb, BTA_AG_IN_CALL_CONN_RES);
739 p_scb->post_sco = BTA_AG_POST_SCO_NONE;
747 /*******************************************************************************
749 ** Function bta_ag_post_sco_close
751 ** Description Perform post-SCO close action, if any
756 *******************************************************************************/
757 void bta_ag_post_sco_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
759 switch (p_scb->post_sco)
761 case BTA_AG_POST_SCO_CLOSE_RFC:
762 bta_ag_rfc_do_close(p_scb, p_data);
763 p_scb->post_sco = BTA_AG_POST_SCO_NONE;
766 case BTA_AG_POST_SCO_CALL_CONN:
767 bta_ag_send_call_inds(p_scb, BTA_AG_IN_CALL_CONN_RES);
768 p_scb->post_sco = BTA_AG_POST_SCO_NONE;
771 case BTA_AG_POST_SCO_CALL_ORIG:
772 bta_ag_send_call_inds(p_scb, BTA_AG_OUT_CALL_ORIG_RES);
773 p_scb->post_sco = BTA_AG_POST_SCO_NONE;
776 case BTA_AG_POST_SCO_CALL_END:
777 bta_ag_send_call_inds(p_scb, BTA_AG_END_CALL_RES);
778 p_scb->post_sco = BTA_AG_POST_SCO_NONE;
781 case BTA_AG_POST_SCO_CALL_END_INCALL:
782 bta_ag_send_call_inds(p_scb, BTA_AG_END_CALL_RES);
784 /* Sending callsetup IND and Ring were defered to after SCO close. */
785 bta_ag_send_call_inds(p_scb, BTA_AG_IN_CALL_RES);
787 if (bta_ag_inband_enabled(p_scb) && !(p_scb->features & BTA_AG_FEAT_NOSCO))
789 p_scb->post_sco = BTA_AG_POST_SCO_RING;
790 bta_ag_sco_open(p_scb, p_data);
794 p_scb->post_sco = BTA_AG_POST_SCO_NONE;
795 bta_ag_send_ring(p_scb, p_data);
804 /*******************************************************************************
806 ** Function bta_ag_svc_conn_open
808 ** Description Service level connection opened
813 *******************************************************************************/
814 void bta_ag_svc_conn_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
819 if (!p_scb->svc_conn)
821 /* set state variable */
822 p_scb->svc_conn = TRUE;
824 /* Clear AT+BIA mask from previous SLC if any. */
825 p_scb->bia_masked_out = 0;
827 alarm_cancel(p_scb->ring_timer);
830 evt.hdr.handle = bta_ag_scb_to_idx(p_scb);
831 evt.hdr.app_id = p_scb->app_id;
832 evt.peer_feat = p_scb->peer_features;
833 bdcpy(evt.bd_addr, p_scb->peer_addr);
834 #if (BTM_WBS_INCLUDED == TRUE )
835 evt.peer_codec = p_scb->peer_codecs;
838 if ((p_scb->call_ind != BTA_AG_CALL_INACTIVE) ||
839 (p_scb->callsetup_ind != BTA_AG_CALLSETUP_NONE))
841 bta_sys_sco_use(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
844 (*bta_ag_cb.p_cback)(BTA_AG_CONN_EVT, (tBTA_AG *) &evt);
848 /*******************************************************************************
850 ** Function bta_ag_ci_rx_data
852 ** Description Send result code
856 *******************************************************************************/
857 void bta_ag_ci_rx_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
860 tBTA_AG_CI_RX_WRITE *p_rx_write_msg = (tBTA_AG_CI_RX_WRITE *)p_data;
861 char *p_data_area = (char *)(p_rx_write_msg+1); /* Point to data area after header */
863 APPL_TRACE_DEBUG("bta_ag_ci_rx_data:");
865 bta_sys_busy(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
866 PORT_WriteData(p_scb->conn_handle, p_data_area, strlen(p_data_area), &len);
867 if ((p_scb->sco_idx != BTM_INVALID_SCO_INDEX) && bta_ag_sco_is_open(p_scb))
869 APPL_TRACE_DEBUG ("bta_ag_rfc_data, change link policy for SCO");
870 bta_sys_sco_open(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
874 bta_sys_idle(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
878 /*******************************************************************************
880 ** Function bta_ag_rcvd_slc_ready
882 ** Description Handles SLC ready call-in in case of pass-through mode.
886 *******************************************************************************/
887 void bta_ag_rcvd_slc_ready(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
891 APPL_TRACE_DEBUG("bta_ag_rcvd_slc_ready: handle = %d", bta_ag_scb_to_idx(p_scb));
893 if (bta_ag_cb.parse_mode == BTA_AG_PASS_THROUGH)
895 /* In pass-through mode, BTA knows that SLC is ready only through call-in. */
896 bta_ag_svc_conn_open(p_scb, NULL);
900 /*******************************************************************************
902 ** Function bta_ag_setcodec
904 ** Description Handle API SetCodec
909 *******************************************************************************/
910 void bta_ag_setcodec(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
912 #if (BTM_WBS_INCLUDED == TRUE )
913 tBTA_AG_PEER_CODEC codec_type = p_data->api_setcodec.codec;
916 /* Check if the requested codec type is valid */
917 if((codec_type != BTA_AG_CODEC_NONE) &&
918 (codec_type != BTA_AG_CODEC_CVSD) &&
919 (codec_type != BTA_AG_CODEC_MSBC))
921 val.num = codec_type;
922 val.hdr.status = BTA_AG_FAIL_RESOURCES;
923 APPL_TRACE_ERROR("bta_ag_setcodec error: unsupported codec type %d", codec_type);
924 (*bta_ag_cb.p_cback)(BTA_AG_WBS_EVT, (tBTA_AG *) &val);
928 if((p_scb->peer_codecs & codec_type) || (codec_type == BTA_AG_CODEC_NONE) ||
929 (codec_type == BTA_AG_CODEC_CVSD))
931 p_scb->sco_codec = codec_type;
932 p_scb->codec_updated = TRUE;
933 val.num = codec_type;
934 val.hdr.status = BTA_AG_SUCCESS;
935 APPL_TRACE_DEBUG("bta_ag_setcodec: Updated codec type %d", codec_type);
939 val.num = codec_type;
940 val.hdr.status = BTA_AG_FAIL_RESOURCES;
941 APPL_TRACE_ERROR("bta_ag_setcodec error: unsupported codec type %d", codec_type);
944 (*bta_ag_cb.p_cback)(BTA_AG_WBS_EVT, (tBTA_AG *) &val);