diff options
Diffstat (limited to 'bta/ag')
| -rw-r--r-- | bta/ag/bta_ag_act.c | 867 | ||||
| -rw-r--r-- | bta/ag/bta_ag_api.c | 323 | ||||
| -rw-r--r-- | bta/ag/bta_ag_at.c | 243 | ||||
| -rw-r--r-- | bta/ag/bta_ag_at.h | 121 | ||||
| -rw-r--r-- | bta/ag/bta_ag_cfg.c | 64 | ||||
| -rw-r--r-- | bta/ag/bta_ag_ci.c | 98 | ||||
| -rw-r--r-- | bta/ag/bta_ag_cmd.c | 1836 | ||||
| -rw-r--r-- | bta/ag/bta_ag_int.h | 423 | ||||
| -rw-r--r-- | bta/ag/bta_ag_main.c | 1012 | ||||
| -rw-r--r-- | bta/ag/bta_ag_rfc.c | 441 | ||||
| -rw-r--r-- | bta/ag/bta_ag_sco.c | 1662 | ||||
| -rw-r--r-- | bta/ag/bta_ag_sdp.c | 500 |
12 files changed, 7590 insertions, 0 deletions
diff --git a/bta/ag/bta_ag_act.c b/bta/ag/bta_ag_act.c new file mode 100644 index 0000000..5f72444 --- /dev/null +++ b/bta/ag/bta_ag_act.c @@ -0,0 +1,867 @@ +/****************************************************************************** + * + * Copyright (C) 2003-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This file contains action functions for the audio gateway. + * + ******************************************************************************/ + +#include "bta_api.h" +#include "bd.h" +#include "bta_sys.h" +#include "bta_ag_api.h" +#include "bta_ag_co.h" +#include "bta_ag_int.h" +#include "port_api.h" +#include "utl.h" +#include <string.h> +#include "bta_dm_int.h" +#include "l2c_api.h" + +/***************************************************************************** +** Constants +*****************************************************************************/ + +/* maximum length of data to read from RFCOMM */ +#define BTA_AG_RFC_READ_MAX 512 + +/* maximum AT command length */ +#define BTA_AG_CMD_MAX 512 + +const UINT16 bta_ag_uuid[BTA_AG_NUM_IDX] = +{ + UUID_SERVCLASS_HEADSET_AUDIO_GATEWAY, + UUID_SERVCLASS_AG_HANDSFREE +}; + +const UINT8 bta_ag_sec_id[BTA_AG_NUM_IDX] = +{ + BTM_SEC_SERVICE_HEADSET_AG, + BTM_SEC_SERVICE_AG_HANDSFREE +}; + +const tBTA_SERVICE_ID bta_ag_svc_id[BTA_AG_NUM_IDX] = +{ + BTA_HSP_SERVICE_ID, + BTA_HFP_SERVICE_ID +}; + +const tBTA_SERVICE_MASK bta_ag_svc_mask[BTA_AG_NUM_IDX] = +{ + BTA_HSP_SERVICE_MASK, + BTA_HFP_SERVICE_MASK +}; + +typedef void (*tBTA_AG_ATCMD_CBACK)(tBTA_AG_SCB *p_scb, UINT16 cmd, UINT8 arg_type, + char *p_arg, INT16 int_arg); + +const tBTA_AG_ATCMD_CBACK bta_ag_at_cback_tbl[BTA_AG_NUM_IDX] = +{ + bta_ag_at_hsp_cback, + bta_ag_at_hfp_cback +}; + +/******************************************************************************* +** +** Function bta_ag_cback_open +** +** Description Send open callback event to application. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_cback_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data, tBTA_AG_STATUS status) +{ + tBTA_AG_OPEN open; + + /* call app callback with open event */ + open.hdr.handle = bta_ag_scb_to_idx(p_scb); + open.hdr.app_id = p_scb->app_id; + open.status = status; + open.service_id = bta_ag_svc_id[p_scb->conn_service]; + if(p_data) + { + /* if p_data is provided then we need to pick the bd address from the open api structure */ + bdcpy(open.bd_addr, p_data->api_open.bd_addr); + } + else + { + bdcpy(open.bd_addr, p_scb->peer_addr); + } + + (*bta_ag_cb.p_cback)(BTA_AG_OPEN_EVT, (tBTA_AG *) &open); +} + +/******************************************************************************* +** +** Function bta_ag_register +** +** Description This function initializes values of the AG cb and sets up +** the SDP record for the services. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_register(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + tBTA_AG_REGISTER reg; + + /* initialize control block */ + p_scb->reg_services = p_data->api_register.services; + p_scb->serv_sec_mask = p_data->api_register.sec_mask; + p_scb->features = p_data->api_register.features; + p_scb->app_id = p_data->api_register.app_id; + + /* create SDP records */ + bta_ag_create_records(p_scb, p_data); + + /* start RFCOMM servers */ + bta_ag_start_servers(p_scb, p_scb->reg_services); + + /* call app callback with register event */ + reg.hdr.handle = bta_ag_scb_to_idx(p_scb); + reg.hdr.app_id = p_scb->app_id; + reg.status = BTA_AG_SUCCESS; + (*bta_ag_cb.p_cback)(BTA_AG_REGISTER_EVT, (tBTA_AG *) ®); +} + +/******************************************************************************* +** +** Function bta_ag_deregister +** +** Description This function removes the sdp records, closes the RFCOMM +** servers, and deallocates the service control block. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_deregister(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + /* set dealloc */ + p_scb->dealloc = TRUE; + + /* remove sdp records */ + bta_ag_del_records(p_scb, p_data); + + /* remove rfcomm servers */ + bta_ag_close_servers(p_scb, p_scb->reg_services); + + /* dealloc */ + bta_ag_scb_dealloc(p_scb); +} + +/******************************************************************************* +** +** Function bta_ag_start_dereg +** +** Description Start a deregister event. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_start_dereg(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + /* set dealloc */ + p_scb->dealloc = TRUE; + + /* remove sdp records */ + bta_ag_del_records(p_scb, p_data); +} + +/******************************************************************************* +** +** Function bta_ag_start_open +** +** Description This starts an AG open. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_start_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + BD_ADDR pending_bd_addr; + + /* store parameters */ + if (p_data) + { + bdcpy(p_scb->peer_addr, p_data->api_open.bd_addr); + p_scb->open_services = p_data->api_open.services; + p_scb->cli_sec_mask = p_data->api_open.sec_mask; + } + + /* Check if RFCOMM has any incoming connection to avoid collision. */ + if (PORT_IsOpening (pending_bd_addr)) + { + /* Let the incoming connection goes through. */ + /* Issue collision for this scb for now. */ + /* We will decide what to do when we find incoming connetion later. */ + bta_ag_collision_cback (0, BTA_ID_AG, 0, p_scb->peer_addr); + return; + } + + /* close servers */ + bta_ag_close_servers(p_scb, p_scb->reg_services); + + /* set role */ + p_scb->role = BTA_AG_INT; + + /* do service search */ + bta_ag_do_disc(p_scb, p_scb->open_services); +} + +/******************************************************************************* +** +** Function bta_ag_disc_int_res +** +** Description This function handles a discovery result when initiator. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_disc_int_res(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + UINT16 event = BTA_AG_DISC_FAIL_EVT; + + APPL_TRACE_DEBUG1 ("bta_ag_disc_int_res: Status: %d", p_data->disc_result.status); + + /* if found service */ + if (p_data->disc_result.status == SDP_SUCCESS || + p_data->disc_result.status == SDP_DB_FULL) + { + /* get attributes */ + if (bta_ag_sdp_find_attr(p_scb, p_scb->open_services)) + { + /* set connected service */ + p_scb->conn_service = bta_ag_service_to_idx(p_scb->open_services); + + /* send ourselves sdp ok event */ + event = BTA_AG_DISC_OK_EVT; + } + } + + /* free discovery db */ + bta_ag_free_db(p_scb, p_data); + + /* if service not found check if we should search for other service */ + if ((event == BTA_AG_DISC_FAIL_EVT) && + (p_data->disc_result.status == SDP_SUCCESS || + p_data->disc_result.status == SDP_DB_FULL || + p_data->disc_result.status == SDP_NO_RECS_MATCH)) + { + if ((p_scb->open_services & BTA_HFP_SERVICE_MASK) && + (p_scb->open_services & BTA_HSP_SERVICE_MASK)) + { + /* search for HSP */ + p_scb->open_services &= ~BTA_HFP_SERVICE_MASK; + bta_ag_do_disc(p_scb, p_scb->open_services); + } + else if ((p_scb->open_services & BTA_HSP_SERVICE_MASK) && + (p_scb->hsp_version == HSP_VERSION_1_2)) + { + /* search for UUID_SERVCLASS_HEADSET for HSP 1.0 device */ + p_scb->hsp_version = HSP_VERSION_1_0; + bta_ag_do_disc(p_scb, p_scb->open_services); + } + else + { + /* send ourselves sdp ok/fail event */ + bta_ag_sm_execute(p_scb, event, p_data); + } + } + else + { + /* send ourselves sdp ok/fail event */ + bta_ag_sm_execute(p_scb, event, p_data); + } + +} + +/******************************************************************************* +** +** Function bta_ag_disc_acp_res +** +** Description This function handles a discovery result when acceptor. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_disc_acp_res(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + /* if found service */ + if (p_data->disc_result.status == SDP_SUCCESS || + p_data->disc_result.status == SDP_DB_FULL) + { + /* get attributes */ + bta_ag_sdp_find_attr(p_scb, bta_ag_svc_mask[p_scb->conn_service]); + } + + /* free discovery db */ + bta_ag_free_db(p_scb, p_data); +} + +/******************************************************************************* +** +** Function bta_ag_disc_fail +** +** Description This function handles a discovery failure. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_disc_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + /* reopen registered servers */ + bta_ag_start_servers(p_scb, p_scb->reg_services); + + /* reinitialize stuff */ + + /* call open cback w. failure */ + bta_ag_cback_open(p_scb, NULL, BTA_AG_FAIL_SDP); +} + +/******************************************************************************* +** +** Function bta_ag_open_fail +** +** Description open connection failed. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_open_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + /* call open cback w. failure */ + bta_ag_cback_open(p_scb, p_data, BTA_AG_FAIL_RESOURCES); +} + +/******************************************************************************* +** +** Function bta_ag_rfc_fail +** +** Description RFCOMM connection failed. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_rfc_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + /* reinitialize stuff */ + p_scb->conn_handle = 0; + p_scb->conn_service = 0; + p_scb->peer_features = 0; +#if (BTM_WBS_INCLUDED == TRUE ) + p_scb->peer_codecs = BTA_AG_CODEC_NONE; + p_scb->sco_codec = BTA_AG_CODEC_NONE; +#endif + p_scb->role = 0; + p_scb->svc_conn = FALSE; + p_scb->hsp_version = HSP_VERSION_1_2; + + /* reopen registered servers */ + bta_ag_start_servers(p_scb, p_scb->reg_services); + + /* call open cback w. failure */ + bta_ag_cback_open(p_scb, NULL, BTA_AG_FAIL_RFCOMM); +} + +/******************************************************************************* +** +** Function bta_ag_rfc_close +** +** Description RFCOMM connection closed. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_rfc_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + tBTA_AG_HDR close; + tBTA_SERVICE_MASK services; + int i, num_active_conn = 0; + +#ifdef _WIN32_WCE + /* The BTE RFCOMM automatically removes the connection when closed, but BTW does not */ + if (p_scb->conn_handle != 0) + RFCOMM_RemoveConnection (p_scb->conn_handle); +#endif + + /* reinitialize stuff */ + p_scb->conn_service = 0; + p_scb->peer_features = 0; +#if (BTM_WBS_INCLUDED == TRUE ) + p_scb->peer_codecs = BTA_AG_CODEC_NONE; + p_scb->sco_codec = BTA_AG_CODEC_NONE; +#endif + p_scb->role = 0; + p_scb->post_sco = BTA_AG_POST_SCO_NONE; + p_scb->svc_conn = FALSE; + p_scb->hsp_version = HSP_VERSION_1_2; + bta_ag_at_reinit(&p_scb->at_cb); + + /* stop timers */ + bta_sys_stop_timer(&p_scb->act_timer); +#if (BTM_WBS_INCLUDED == TRUE) + bta_sys_stop_timer(&p_scb->cn_timer); +#endif + + close.handle = bta_ag_scb_to_idx(p_scb); + close.app_id = p_scb->app_id; + + bta_sys_conn_close(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); + + /* call close call-out */ + bta_ag_co_data_close(close.handle); + + /* call close cback */ + (*bta_ag_cb.p_cback)(BTA_AG_CLOSE_EVT, (tBTA_AG *) &close); + + /* if not deregistering (deallocating) reopen registered servers */ + if (p_scb->dealloc == FALSE) + { + /* Clear peer bd_addr so instance can be reused */ + bdcpy(p_scb->peer_addr, bd_addr_null); + + /* start only unopened server */ + services = p_scb->reg_services; + for (i = 0; i < BTA_AG_NUM_IDX && services != 0; i++) + { + if(p_scb->serv_handle[i]) + services &= ~((tBTA_SERVICE_MASK)1 << (BTA_HSP_SERVICE_ID + i)); + } + bta_ag_start_servers(p_scb, services); + + p_scb->conn_handle = 0; + + /* Make sure SCO state is BTA_AG_SCO_SHUTDOWN_ST */ + bta_ag_sco_shutdown(p_scb, NULL); + + /* Check if all the SLCs are down */ + for (i = 0; i < BTA_AG_NUM_SCB; i++) + { + if (bta_ag_cb.scb[i].in_use && bta_ag_cb.scb[i].svc_conn) + num_active_conn++; + } + + if(!num_active_conn) + { + bta_sys_sco_unuse(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); + } + + } + /* else close port and deallocate scb */ + else + { + RFCOMM_RemoveServer(p_scb->conn_handle); + bta_ag_scb_dealloc(p_scb); + } +} + +/******************************************************************************* +** +** Function bta_ag_rfc_open +** +** Description Handle RFCOMM channel open. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_rfc_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + /* initialize AT feature variables */ + p_scb->clip_enabled = FALSE; + p_scb->ccwa_enabled = FALSE; + p_scb->cmer_enabled = FALSE; + p_scb->cmee_enabled = FALSE; + p_scb->inband_enabled = ((p_scb->features & BTA_AG_FEAT_INBAND) == BTA_AG_FEAT_INBAND); + + /* set up AT command interpreter */ + p_scb->at_cb.p_at_tbl = (tBTA_AG_AT_CMD *) bta_ag_at_tbl[p_scb->conn_service]; + p_scb->at_cb.p_cmd_cback = (tBTA_AG_AT_CMD_CBACK *) bta_ag_at_cback_tbl[p_scb->conn_service]; + p_scb->at_cb.p_err_cback = (tBTA_AG_AT_ERR_CBACK *) bta_ag_at_err_cback; + p_scb->at_cb.p_user = p_scb; + p_scb->at_cb.cmd_max_len = BTA_AG_CMD_MAX; + bta_ag_at_init(&p_scb->at_cb); + + /* call app open call-out */ + bta_ag_co_data_open(bta_ag_scb_to_idx(p_scb), bta_ag_svc_id[p_scb->conn_service]); + + bta_sys_conn_open(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); + + bta_ag_cback_open(p_scb, NULL, BTA_AG_SUCCESS); + + if (p_scb->conn_service == BTA_AG_HFP) + { + /* if hfp start timer for service level conn */ + bta_sys_start_timer(&p_scb->act_timer, BTA_AG_SVC_TOUT_EVT, p_bta_ag_cfg->conn_tout); + } + else + { + /* else service level conn is open */ + bta_ag_svc_conn_open(p_scb, p_data); + } +} + +/******************************************************************************* +** +** Function bta_ag_rfc_acp_open +** +** Description Handle RFCOMM channel open when accepting connection. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_rfc_acp_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + UINT16 lcid; + int i; + tBTA_AG_SCB *ag_scb, *other_scb; + BD_ADDR dev_addr; + int status; + + /* set role */ + p_scb->role = BTA_AG_ACP; + + APPL_TRACE_DEBUG2 ("bta_ag_rfc_acp_open: serv_handle0 = %d serv_handle1 = %d", + p_scb->serv_handle[0], p_scb->serv_handle[1]); + + /* get bd addr of peer */ + if (PORT_SUCCESS != (status=PORT_CheckConnection(p_data->rfc.port_handle, dev_addr, &lcid))) + { + APPL_TRACE_DEBUG1 ("bta_ag_rfc_acp_open error PORT_CheckConnection returned status %d", status); + } + + /* Collision Handling */ + for (i = 0, ag_scb = &bta_ag_cb.scb[0]; i < BTA_AG_NUM_SCB; i++, ag_scb++) + { + if ((ag_scb->in_use) && (ag_scb->colli_tmr_on)) + { + /* stop collision timer */ + ag_scb->colli_tmr_on = FALSE; + bta_sys_stop_timer (&ag_scb->colli_timer); + + if (bdcmp (dev_addr, ag_scb->peer_addr) == 0) + { + /* If incoming and outgoing device are same, nothing more to do. */ + /* Outgoing conn will be aborted because we have successful incoming conn. */ + } + else + { + /* Resume outgoing connection. */ + other_scb = bta_ag_get_other_idle_scb (p_scb); + if (other_scb) + { + bdcpy(other_scb->peer_addr, ag_scb->peer_addr); + other_scb->open_services = ag_scb->open_services; + other_scb->cli_sec_mask = ag_scb->cli_sec_mask; + + bta_ag_resume_open (other_scb); + } + } + + break; + } + } + + bdcpy (p_scb->peer_addr, dev_addr); + + /* determine connected service from port handle */ + for (i = 0; i < BTA_AG_NUM_IDX; i++) + { + APPL_TRACE_DEBUG3 ("bta_ag_rfc_acp_open: i = %d serv_handle = %d port_handle = %d", + i, p_scb->serv_handle[i], p_data->rfc.port_handle); + + if (p_scb->serv_handle[i] == p_data->rfc.port_handle) + { + p_scb->conn_service = i; + p_scb->conn_handle = p_data->rfc.port_handle; + break; + } + } + + APPL_TRACE_DEBUG2 ("bta_ag_rfc_acp_open: conn_service = %d conn_handle = %d", + p_scb->conn_service, p_scb->conn_handle); + + /* close any unopened server */ + bta_ag_close_servers(p_scb, (p_scb->reg_services & ~bta_ag_svc_mask[p_scb->conn_service])); + + /* do service discovery to get features */ + bta_ag_do_disc(p_scb, bta_ag_svc_mask[p_scb->conn_service]); + + /* continue with common open processing */ + bta_ag_rfc_open(p_scb, p_data); + + + +} + +/******************************************************************************* +** +** Function bta_ag_rfc_data +** +** Description Read and process data from RFCOMM. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_rfc_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + UINT16 len; + char buf[BTA_AG_RFC_READ_MAX]; + + memset(buf, 0, BTA_AG_RFC_READ_MAX); + + /* do the following */ + for(;;) + { + /* read data from rfcomm; if bad status, we're done */ + if (PORT_ReadData(p_scb->conn_handle, buf, BTA_AG_RFC_READ_MAX, &len) != PORT_SUCCESS) + { + break; + } + + /* if no data, we're done */ + if (len == 0) + { + break; + } + + /* run AT command interpreter on data */ + bta_ag_at_parse(&p_scb->at_cb, buf, len); + + /* no more data to read, we're done */ + if (len < BTA_AG_RFC_READ_MAX) + { + break; + } + } +} + +/******************************************************************************* +** +** Function bta_ag_start_close +** +** Description Start the process of closing SCO and RFCOMM connection. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_start_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + /* Take the link out of sniff and set L2C idle time to 0 */ + bta_dm_pm_active(p_scb->peer_addr); + L2CA_SetIdleTimeoutByBdAddr(p_scb->peer_addr, 0); + + /* if SCO is open close SCO and wait on RFCOMM close */ + if (bta_ag_sco_is_open(p_scb)) + { + p_scb->post_sco = BTA_AG_POST_SCO_CLOSE_RFC; + } + else + { + p_scb->post_sco = BTA_AG_POST_SCO_NONE; + bta_ag_rfc_do_close(p_scb, p_data); + } + + /* always do SCO shutdown to handle all SCO corner cases */ + bta_ag_sco_shutdown(p_scb, p_data); +} + +/******************************************************************************* +** +** Function bta_ag_post_sco_open +** +** Description Perform post-SCO open action, if any +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_post_sco_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + switch (p_scb->post_sco) + { + case BTA_AG_POST_SCO_RING: + bta_ag_send_ring(p_scb, p_data); + p_scb->post_sco = BTA_AG_POST_SCO_NONE; + break; + + case BTA_AG_POST_SCO_CALL_CONN: + bta_ag_send_call_inds(p_scb, BTA_AG_IN_CALL_CONN_RES); + p_scb->post_sco = BTA_AG_POST_SCO_NONE; + break; + + default: + break; + } +} + +/******************************************************************************* +** +** Function bta_ag_post_sco_close +** +** Description Perform post-SCO close action, if any +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_post_sco_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + switch (p_scb->post_sco) + { + case BTA_AG_POST_SCO_CLOSE_RFC: + bta_ag_rfc_do_close(p_scb, p_data); + p_scb->post_sco = BTA_AG_POST_SCO_NONE; + break; + + case BTA_AG_POST_SCO_CALL_CONN: + bta_ag_send_call_inds(p_scb, BTA_AG_IN_CALL_CONN_RES); + p_scb->post_sco = BTA_AG_POST_SCO_NONE; + break; + + case BTA_AG_POST_SCO_CALL_ORIG: + bta_ag_send_call_inds(p_scb, BTA_AG_OUT_CALL_ORIG_RES); + p_scb->post_sco = BTA_AG_POST_SCO_NONE; + break; + + case BTA_AG_POST_SCO_CALL_END: + bta_ag_send_call_inds(p_scb, BTA_AG_END_CALL_RES); + p_scb->post_sco = BTA_AG_POST_SCO_NONE; + break; + + case BTA_AG_POST_SCO_CALL_END_INCALL: + bta_ag_send_call_inds(p_scb, BTA_AG_END_CALL_RES); + + /* Sending callsetup IND and Ring were defered to after SCO close. */ + bta_ag_send_call_inds(p_scb, BTA_AG_IN_CALL_RES); + + if (bta_ag_inband_enabled(p_scb) && !(p_scb->features & BTA_AG_FEAT_NOSCO)) + { + p_scb->post_sco = BTA_AG_POST_SCO_RING; + bta_ag_sco_open(p_scb, p_data); + } + else + { + p_scb->post_sco = BTA_AG_POST_SCO_NONE; + bta_ag_send_ring(p_scb, p_data); + } + break; + + default: + break; + } +} + +/******************************************************************************* +** +** Function bta_ag_svc_conn_open +** +** Description Service level connection opened +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_svc_conn_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + tBTA_AG_CONN evt; + + if (!p_scb->svc_conn) + { + /* set state variable */ + p_scb->svc_conn = TRUE; + + /* Clear AT+BIA mask from previous SLC if any. */ + p_scb->bia_masked_out = 0; + + /* stop timer */ + bta_sys_stop_timer(&p_scb->act_timer); + + /* call callback */ + evt.hdr.handle = bta_ag_scb_to_idx(p_scb); + evt.hdr.app_id = p_scb->app_id; + evt.peer_feat = p_scb->peer_features; +#if (BTM_WBS_INCLUDED == TRUE ) + evt.peer_codec = p_scb->peer_codecs; +#endif + + if ((p_scb->call_ind != BTA_AG_CALL_INACTIVE) || + (p_scb->callsetup_ind != BTA_AG_CALLSETUP_NONE)) + { + bta_sys_sco_use(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); + } + + (*bta_ag_cb.p_cback)(BTA_AG_CONN_EVT, (tBTA_AG *) &evt); + } +} + +/******************************************************************************* +** +** Function bta_ag_ci_rx_data +** +** Description Send result code +** +** Returns void +** +*******************************************************************************/ +void bta_ag_ci_rx_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + UINT16 len; + tBTA_AG_CI_RX_WRITE *p_rx_write_msg = (tBTA_AG_CI_RX_WRITE *)p_data; + char *p_data_area = (char *)(p_rx_write_msg+1); /* Point to data area after header */ + + /* send to RFCOMM */ + PORT_WriteData(p_scb->conn_handle, p_data_area, strlen(p_data_area), &len); +} + +/******************************************************************************* +** +** Function bta_ag_rcvd_slc_ready +** +** Description Handles SLC ready call-in in case of pass-through mode. +** +** Returns void +** +*******************************************************************************/ +void bta_ag_rcvd_slc_ready(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + APPL_TRACE_DEBUG1("bta_ag_rcvd_slc_ready: handle = %d", bta_ag_scb_to_idx(p_scb)); + + if (bta_ag_cb.parse_mode == BTA_AG_PASS_THROUGH) + { + /* In pass-through mode, BTA knows that SLC is ready only through call-in. */ + bta_ag_svc_conn_open(p_scb, NULL); + } +} + diff --git a/bta/ag/bta_ag_api.c b/bta/ag/bta_ag_api.c new file mode 100644 index 0000000..07dceb9 --- /dev/null +++ b/bta/ag/bta_ag_api.c @@ -0,0 +1,323 @@ +/****************************************************************************** + * + * Copyright (C) 2003-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This is the implementation of the API for the audio gateway (AG) + * subsystem of BTA, Broadcom's Bluetooth application layer for mobile + * phones. + * + ******************************************************************************/ + +#include "bta_api.h" +#include "bd.h" +#include "bta_sys.h" +#include "bta_ag_api.h" +#include "bta_ag_int.h" +#include "gki.h" +#include <string.h> + +/***************************************************************************** +** Constants +*****************************************************************************/ + +static const tBTA_SYS_REG bta_ag_reg = +{ + bta_ag_hdl_event, + BTA_AgDisable +}; + +/******************************************************************************* +** +** Function BTA_AgEnable +** +** Description Enable the audio gateway service. When the enable +** operation is complete the callback function will be +** called with a BTA_AG_ENABLE_EVT. This function must +** be called before other function in the AG API are +** called. +** +** Returns BTA_SUCCESS if OK, BTA_FAILURE otherwise. +** +*******************************************************************************/ +tBTA_STATUS BTA_AgEnable(tBTA_AG_PARSE_MODE parse_mode, tBTA_AG_CBACK *p_cback) +{ + tBTA_AG_API_ENABLE *p_buf; + UINT8 idx; + + /* Error if AG is already enabled, or AG is in the middle of disabling. */ + for (idx = 0; idx < BTA_AG_NUM_SCB; idx++) + { + if (bta_ag_cb.scb[idx].in_use) + { + APPL_TRACE_ERROR0 ("BTA_AgEnable: FAILED, AG already enabled."); + return BTA_FAILURE; + } + } + + /* register with BTA system manager */ + GKI_sched_lock(); + bta_sys_register(BTA_ID_AG, &bta_ag_reg); + GKI_sched_unlock(); + + if ((p_buf = (tBTA_AG_API_ENABLE *) GKI_getbuf(sizeof(tBTA_AG_API_ENABLE))) != NULL) + { + p_buf->hdr.event = BTA_AG_API_ENABLE_EVT; + p_buf->parse_mode = parse_mode; + p_buf->p_cback = p_cback; + bta_sys_sendmsg(p_buf); + } + + return BTA_SUCCESS; + +} + +/******************************************************************************* +** +** Function BTA_AgDisable +** +** Description Disable the audio gateway service +** +** +** Returns void +** +*******************************************************************************/ +void BTA_AgDisable(void) +{ + BT_HDR *p_buf; + + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + p_buf->event = BTA_AG_API_DISABLE_EVT; + bta_sys_sendmsg(p_buf); + } +} + +/******************************************************************************* +** +** Function BTA_AgRegister +** +** Description Register an Audio Gateway service. +** +** +** Returns void +** +*******************************************************************************/ +void BTA_AgRegister(tBTA_SERVICE_MASK services, tBTA_SEC sec_mask,tBTA_AG_FEAT features, + char * p_service_names[], UINT8 app_id) +{ + tBTA_AG_API_REGISTER *p_buf; + int i; + + if ((p_buf = (tBTA_AG_API_REGISTER *) GKI_getbuf(sizeof(tBTA_AG_API_REGISTER))) != NULL) + { + p_buf->hdr.event = BTA_AG_API_REGISTER_EVT; + p_buf->features = features; + p_buf->sec_mask = sec_mask; + p_buf->services = services; + p_buf->app_id = app_id; + for (i = 0; i < BTA_AG_NUM_IDX; i++) + { + if(p_service_names[i]) + { + BCM_STRNCPY_S(p_buf->p_name[i], BTA_SERVICE_NAME_LEN+1, p_service_names[i], BTA_SERVICE_NAME_LEN); + p_buf->p_name[i][BTA_SERVICE_NAME_LEN] = 0; + } + else + { + p_buf->p_name[i][0] = 0; + } + } + bta_sys_sendmsg(p_buf); + } +} + +/******************************************************************************* +** +** Function BTA_AgDeregister +** +** Description Deregister an audio gateway service. +** +** +** Returns void +** +*******************************************************************************/ +void BTA_AgDeregister(UINT16 handle) +{ + BT_HDR *p_buf; + + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + p_buf->event = BTA_AG_API_DEREGISTER_EVT; + p_buf->layer_specific = handle; + bta_sys_sendmsg(p_buf); + } +} + +/******************************************************************************* +** +** Function BTA_AgOpen +** +** Description Opens a connection to a headset or hands-free device. +** When connection is open callback function is called +** with a BTA_AG_OPEN_EVT. Only the data connection is +** opened. The audio connection is not opened. +** +** +** Returns void +** +*******************************************************************************/ +void BTA_AgOpen(UINT16 handle, BD_ADDR bd_addr, tBTA_SEC sec_mask, tBTA_SERVICE_MASK services) +{ + tBTA_AG_API_OPEN *p_buf; + + if ((p_buf = (tBTA_AG_API_OPEN *) GKI_getbuf(sizeof(tBTA_AG_API_OPEN))) != NULL) + { + p_buf->hdr.event = BTA_AG_API_OPEN_EVT; + p_buf->hdr.layer_specific = handle; + bdcpy(p_buf->bd_addr, bd_addr); + p_buf->services = services; + p_buf->sec_mask = sec_mask; + bta_sys_sendmsg(p_buf); + } +} + +/******************************************************************************* +** +** Function BTA_AgClose +** +** Description Close the current connection to a headset or a handsfree +** Any current audio connection will also be closed. +** +** +** Returns void +** +*******************************************************************************/ +void BTA_AgClose(UINT16 handle) +{ + BT_HDR *p_buf; + + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + p_buf->event = BTA_AG_API_CLOSE_EVT; + p_buf->layer_specific = handle; + bta_sys_sendmsg(p_buf); + } +} + +/******************************************************************************* +** +** Function BTA_AgAudioOpen +** +** Description Opens an audio connection to the currently connected +** headset or hnadsfree. +** +** +** Returns void +** +*******************************************************************************/ +void BTA_AgAudioOpen(UINT16 handle) +{ + BT_HDR *p_buf; + + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + p_buf->event = BTA_AG_API_AUDIO_OPEN_EVT; + p_buf->layer_specific = handle; + bta_sys_sendmsg(p_buf); + } +} + +/******************************************************************************* +** +** Function BTA_AgAudioClose +** +** Description Close the currently active audio connection to a headset +** or hnadsfree. The data connection remains open +** +** +** Returns void +** +*******************************************************************************/ +void BTA_AgAudioClose(UINT16 handle) +{ + BT_HDR *p_buf; + + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + p_buf->event = BTA_AG_API_AUDIO_CLOSE_EVT; + p_buf->layer_specific = handle; + bta_sys_sendmsg(p_buf); + } +} + + +/******************************************************************************* +** +** Function BTA_AgResult +** +** Description Send an AT result code to a headset or hands-free device. +** This function is only used when the AG parse mode is set +** to BTA_AG_PARSE. +** +** +** Returns void +** +*******************************************************************************/ +void BTA_AgResult(UINT16 handle, tBTA_AG_RES result, tBTA_AG_RES_DATA *p_data) +{ + tBTA_AG_API_RESULT *p_buf; + + if ((p_buf = (tBTA_AG_API_RESULT *) GKI_getbuf(sizeof(tBTA_AG_API_RESULT))) != NULL) + { + p_buf->hdr.event = BTA_AG_API_RESULT_EVT; + p_buf->hdr.layer_specific = handle; + p_buf->result = result; + if(p_data) + { + memcpy(&p_buf->data, p_data, sizeof(p_buf->data)); + } + bta_sys_sendmsg(p_buf); + } +} + +/******************************************************************************* +** +** Function BTA_AgSetCodec +** +** Description Specify the codec type to be used for the subsequent +** audio connection. +** +** +** +** Returns void +** +*******************************************************************************/ +void BTA_AgSetCodec(UINT16 handle, tBTA_AG_PEER_CODEC codec) +{ + tBTA_AG_API_SETCODEC *p_buf; + + if ((p_buf = (tBTA_AG_API_SETCODEC *) GKI_getbuf(sizeof(tBTA_AG_API_SETCODEC))) != NULL) + { + p_buf->hdr.event = BTA_AG_API_SETCODEC_EVT; + p_buf->hdr.layer_specific = handle; + p_buf->codec = codec; + bta_sys_sendmsg(p_buf); + } +} + diff --git a/bta/ag/bta_ag_at.c b/bta/ag/bta_ag_at.c new file mode 100644 index 0000000..74d3948 --- /dev/null +++ b/bta/ag/bta_ag_at.c @@ -0,0 +1,243 @@ +/****************************************************************************** + * + * Copyright (C) 2004-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * BTA AG AT command interpreter. + * + ******************************************************************************/ + +#include <string.h> +#include "gki.h" +#include "bta_ag_at.h" +#include "utl.h" + +/***************************************************************************** +** Constants +*****************************************************************************/ + +/****************************************************************************** +** +** Function bta_ag_at_init +** +** Description Initialize the AT command parser control block. +** +** +** Returns void +** +******************************************************************************/ +void bta_ag_at_init(tBTA_AG_AT_CB *p_cb) +{ + p_cb->p_cmd_buf = NULL; + p_cb->cmd_pos = 0; +} + +/****************************************************************************** +** +** Function bta_ag_at_reinit +** +** Description Re-initialize the AT command parser control block. This +** function resets the AT command parser state and frees +** any GKI buffer. +** +** +** Returns void +** +******************************************************************************/ +void bta_ag_at_reinit(tBTA_AG_AT_CB *p_cb) +{ + if (p_cb->p_cmd_buf != NULL) + { + GKI_freebuf(p_cb->p_cmd_buf); + p_cb->p_cmd_buf = NULL; + } + p_cb->cmd_pos = 0; +} +/****************************************************************************** +** +** Function bta_ag_process_at +** +** Description Parse AT commands. This function will take the input +** character string and parse it for AT commands according to +** the AT command table passed in the control block. +** +** +** Returns void +** +******************************************************************************/ +void bta_ag_process_at(tBTA_AG_AT_CB *p_cb) +{ + UINT16 idx; + UINT8 arg_type; + char *p_arg; + INT16 int_arg = 0; + /* loop through at command table looking for match */ + for (idx = 0; p_cb->p_at_tbl[idx].p_cmd[0] != 0; idx++) + { + if (!utl_strucmp(p_cb->p_at_tbl[idx].p_cmd, p_cb->p_cmd_buf)) + { + break; + } + } + + /* if there is a match; verify argument type */ + if (p_cb->p_at_tbl[idx].p_cmd[0] != 0) + { + /* start of argument is p + strlen matching command */ + p_arg = p_cb->p_cmd_buf + strlen(p_cb->p_at_tbl[idx].p_cmd); + + /* if no argument */ + if (p_arg[0] == 0) + { + arg_type = BTA_AG_AT_NONE; + } + /* else if arg is '?' and it is last character */ + else if (p_arg[0] == '?' && p_arg[1] == 0) + { + /* we have a read */ + arg_type = BTA_AG_AT_READ; + } + /* else if arg is '=' */ + else if (p_arg[0] == '=' && p_arg[1] != 0) + { + if (p_arg[1] == '?' && p_arg[2] == 0) + { + /* we have a test */ + arg_type = BTA_AG_AT_TEST; + } + else + { + /* we have a set */ + arg_type = BTA_AG_AT_SET; + + /* skip past '=' */ + p_arg++; + } + } + else + /* else it is freeform argument */ + { + arg_type = BTA_AG_AT_FREE; + } + + /* if arguments match command capabilities */ + if ((arg_type & p_cb->p_at_tbl[idx].arg_type) != 0) + { + /* if it's a set integer check max, min range */ + if (arg_type == BTA_AG_AT_SET && + p_cb->p_at_tbl[idx].fmt == BTA_AG_AT_INT) + { + int_arg = utl_str2int(p_arg); + if (int_arg < (INT16) p_cb->p_at_tbl[idx].min || + int_arg > (INT16) p_cb->p_at_tbl[idx].max) + { + /* arg out of range; error */ + (*p_cb->p_err_cback)(p_cb->p_user, FALSE, NULL); + } + else + { + + (*p_cb->p_cmd_cback)(p_cb->p_user, idx, arg_type, p_arg, int_arg); + } + } + else + { + (*p_cb->p_cmd_cback)(p_cb->p_user, idx, arg_type, p_arg, int_arg); + } + } + /* else error */ + else + { + (*p_cb->p_err_cback)(p_cb->p_user, FALSE, NULL); + } + } + /* else no match call error callback */ + else + { + (*p_cb->p_err_cback)(p_cb->p_user, TRUE, p_cb->p_cmd_buf); + } +} + +/****************************************************************************** +** +** Function bta_ag_at_parse +** +** Description Parse AT commands. This function will take the input +** character string and parse it for AT commands according to +** the AT command table passed in the control block. +** +** +** Returns void +** +******************************************************************************/ +void bta_ag_at_parse(tBTA_AG_AT_CB *p_cb, char *p_buf, UINT16 len) +{ + int i = 0; + char* p_save; + + if (p_cb->p_cmd_buf == NULL) + { + p_cb->p_cmd_buf = (char *) GKI_getbuf(p_cb->cmd_max_len); + p_cb->cmd_pos = 0; + } + + for (i = 0; i < len;) + { + while (p_cb->cmd_pos < p_cb->cmd_max_len-1 && i < len) + { + /* Skip null characters between AT commands. */ + if ((p_cb->cmd_pos == 0) && (p_buf[i] == 0)) + { + i++; + continue; + } + + p_cb->p_cmd_buf[p_cb->cmd_pos] = p_buf[i++]; + if ( p_cb->p_cmd_buf[p_cb->cmd_pos] == '\r' || p_cb->p_cmd_buf[p_cb->cmd_pos] == '\n') + { + p_cb->p_cmd_buf[p_cb->cmd_pos] = 0; + if ((p_cb->cmd_pos > 2) && + (p_cb->p_cmd_buf[0] == 'A' || p_cb->p_cmd_buf[0] == 'a') && + (p_cb->p_cmd_buf[1] == 'T' || p_cb->p_cmd_buf[1] == 't')) + { + p_save = p_cb->p_cmd_buf; + p_cb->p_cmd_buf += 2; + bta_ag_process_at(p_cb); + p_cb->p_cmd_buf = p_save; + } + + p_cb->cmd_pos = 0; + + } + else if( p_cb->p_cmd_buf[p_cb->cmd_pos] == 0x1A || p_cb->p_cmd_buf[p_cb->cmd_pos] == 0x1B ) + { + p_cb->p_cmd_buf[++p_cb->cmd_pos] = 0; + (*p_cb->p_err_cback)(p_cb->p_user, TRUE, p_cb->p_cmd_buf); + p_cb->cmd_pos = 0; + } + else + { + ++p_cb->cmd_pos; + } + } + + if (i < len) + p_cb->cmd_pos = 0; + } +} + diff --git a/bta/ag/bta_ag_at.h b/bta/ag/bta_ag_at.h new file mode 100644 index 0000000..90d7b0f --- /dev/null +++ b/bta/ag/bta_ag_at.h @@ -0,0 +1,121 @@ +/****************************************************************************** + * + * Copyright (C) 2004-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * Interface file for BTA AG AT command interpreter. + * + ******************************************************************************/ +#ifndef BTA_AG_AT_H +#define BTA_AG_AT_H + +/***************************************************************************** +** Constants +*****************************************************************************/ + +/* AT command argument capabilities */ +#define BTA_AG_AT_NONE 0x01 /* no argument */ +#define BTA_AG_AT_SET 0x02 /* set value */ +#define BTA_AG_AT_READ 0x04 /* read value */ +#define BTA_AG_AT_TEST 0x08 /* test value range */ +#define BTA_AG_AT_FREE 0x10 /* freeform argument */ + +/* AT command argument format */ +#define BTA_AG_AT_STR 0 /* string */ +#define BTA_AG_AT_INT 1 /* integer */ + +/***************************************************************************** +** Data types +*****************************************************************************/ + +/* AT command table element */ +typedef struct +{ + const char *p_cmd; /* AT command string */ + UINT8 arg_type; /* allowable argument type syntax */ + UINT8 fmt; /* whether arg is int or string */ + UINT8 min; /* minimum value for int arg */ + INT16 max; /* maximum value for int arg */ +} tBTA_AG_AT_CMD; + +/* callback function executed when command is parsed */ +typedef void (tBTA_AG_AT_CMD_CBACK)(void *p_user, UINT16 cmd, UINT8 arg_type, + char *p_arg, INT16 int_arg); + +/* callback function executed to send "ERROR" result code */ +typedef void (tBTA_AG_AT_ERR_CBACK)(void *p_user, BOOLEAN unknown, char *p_arg); + +/* AT command parsing control block */ +typedef struct +{ + tBTA_AG_AT_CMD *p_at_tbl; /* AT command table */ + tBTA_AG_AT_CMD_CBACK *p_cmd_cback; /* command callback */ + tBTA_AG_AT_ERR_CBACK *p_err_cback; /* error callback */ + void *p_user; /* user-defined data */ + char *p_cmd_buf; /* temp parsing buffer */ + UINT16 cmd_pos; /* position in temp buffer */ + UINT16 cmd_max_len; /* length of temp buffer to allocate */ + UINT8 state; /* parsing state */ +} tBTA_AG_AT_CB; + +/***************************************************************************** +** Function prototypes +*****************************************************************************/ + +/***************************************************************************** +** +** Function bta_ag_at_init +** +** Description Initialize the AT command parser control block. +** +** +** Returns void +** +*****************************************************************************/ +extern void bta_ag_at_init(tBTA_AG_AT_CB *p_cb); + +/***************************************************************************** +** +** Function bta_ag_at_reinit +** +** Description Re-initialize the AT command parser control block. This +** function resets the AT command parser state and frees +** any GKI buffer. +** +** +** Returns void +** +*****************************************************************************/ +extern void bta_ag_at_reinit(tBTA_AG_AT_CB *p_cb); + +/***************************************************************************** +** +** Function bta_ag_at_parse +** +** Description Parse AT commands. This function will take the input +** character string and parse it for AT commands according to +** the AT command table passed in the control block. +** +** +** Returns void +** +*****************************************************************************/ +extern void bta_ag_at_parse(tBTA_AG_AT_CB *p_cb, char *p_buf, UINT16 len); + +#endif /* BTA_AG_AT_H */ + diff --git a/bta/ag/bta_ag_cfg.c b/bta/ag/bta_ag_cfg.c new file mode 100644 index 0000000..e02f9f6 --- /dev/null +++ b/bta/ag/bta_ag_cfg.c @@ -0,0 +1,64 @@ +/****************************************************************************** + * + * Copyright (C) 2003-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This file contains compile-time configurable constants for the audio + * gateway. + * + ******************************************************************************/ + +#include "gki.h" +#include "bta_api.h" +#include "bta_ag_api.h" + +#ifndef BTA_AG_CIND_INFO +#define BTA_AG_CIND_INFO "(\"call\",(0,1)),(\"callsetup\",(0-3)),(\"service\",(0-3)),(\"signal\",(0-6)),(\"roam\",(0,1)),(\"battchg\",(0-5)),(\"callheld\",(0-2)),(\"bearer\",(0-7))" +#endif + +#ifndef BTA_AG_CHLD_VAL_ECC +#define BTA_AG_CHLD_VAL_ECC "(0,1,1x,2,2x,3,4)" +#endif + +#ifndef BTA_AG_CHLD_VAL +#define BTA_AG_CHLD_VAL "(0,1,2,3,4)" +#endif + +#ifndef BTA_AG_CONN_TIMEOUT +#define BTA_AG_CONN_TIMEOUT 5000 +#endif + +#ifndef BTA_AG_SCO_PKT_TYPES +/* S1 packet type setting from HFP 1.5 spec */ +#define BTA_AG_SCO_PKT_TYPES /* BTM_SCO_LINK_ALL_PKT_MASK */ (BTM_SCO_LINK_ONLY_MASK | \ + BTM_SCO_PKT_TYPES_MASK_EV3 | \ + BTM_SCO_PKT_TYPES_MASK_NO_3_EV3 | \ + BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 | \ + BTM_SCO_PKT_TYPES_MASK_NO_3_EV5) +#endif + +const tBTA_AG_CFG bta_ag_cfg = +{ + BTA_AG_CIND_INFO, + BTA_AG_CONN_TIMEOUT, + BTA_AG_SCO_PKT_TYPES, + BTA_AG_CHLD_VAL_ECC, + BTA_AG_CHLD_VAL +}; + +tBTA_AG_CFG *p_bta_ag_cfg = (tBTA_AG_CFG *) &bta_ag_cfg; diff --git a/bta/ag/bta_ag_ci.c b/bta/ag/bta_ag_ci.c new file mode 100644 index 0000000..fd39e34 --- /dev/null +++ b/bta/ag/bta_ag_ci.c @@ -0,0 +1,98 @@ +/****************************************************************************** + * + * Copyright (C) 2003-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This is the implementation file for audio gateway call-in functions. + * + ******************************************************************************/ + +#include <string.h> +#include "bta_api.h" +#include "bta_ag_api.h" +#include "bta_ag_int.h" +#include "bta_ag_ci.h" +#include "gki.h" + +/****************************************************************************** +** +** Function bta_ag_ci_rx_write +** +** Description This function is called to send data to the AG when the AG +** is configured for AT command pass-through. The function +** copies data to an event buffer and sends it. +** +** Returns void +** +******************************************************************************/ +void bta_ag_ci_rx_write(UINT16 handle, char *p_data, UINT16 len) +{ + tBTA_AG_CI_RX_WRITE *p_buf; + UINT16 len_remaining = len; + char *p_data_area; + + if (len > (RFCOMM_DATA_POOL_BUF_SIZE - sizeof(tBTA_AG_CI_RX_WRITE) - 1)) + len = RFCOMM_DATA_POOL_BUF_SIZE - sizeof(tBTA_AG_CI_RX_WRITE) - 1; + + while (len_remaining) + { + if (len_remaining < len) + len = len_remaining; + + if ((p_buf = (tBTA_AG_CI_RX_WRITE *) GKI_getbuf((UINT16)(sizeof(tBTA_AG_CI_RX_WRITE) + len + 1))) != NULL) + { + p_buf->hdr.event = BTA_AG_CI_RX_WRITE_EVT; + p_buf->hdr.layer_specific = handle; + + p_data_area = (char *)(p_buf+1); /* Point to data area after header */ + strncpy(p_data_area, p_data, len); + p_data_area[len] = 0; + + bta_sys_sendmsg(p_buf); + } else { + APPL_TRACE_ERROR1("ERROR: Unable to allocate buffer to hold AT response code. len=%i", len); + break; + } + + len_remaining-=len; + p_data+=len; + } +} + +/****************************************************************************** +** +** Function bta_ag_ci_slc_ready +** +** Description This function is called to notify AG that SLC is up at +** the application. This funcion is only used when the app +** is running in pass-through mode. +** +** Returns void +** +******************************************************************************/ +void bta_ag_ci_slc_ready(UINT16 handle) +{ + tBTA_AG_DATA *p_buf; + + if ((p_buf = (tBTA_AG_DATA *)GKI_getbuf(sizeof(tBTA_AG_DATA))) != NULL) + { + p_buf->hdr.event = BTA_AG_CI_SLC_READY_EVT; + p_buf->hdr.layer_specific = handle; + bta_sys_sendmsg(p_buf); + } +} diff --git a/bta/ag/bta_ag_cmd.c b/bta/ag/bta_ag_cmd.c new file mode 100644 index 0000000..d552eed --- /dev/null +++ b/bta/ag/bta_ag_cmd.c @@ -0,0 +1,1836 @@ +/****************************************************************************** + * + * Copyright (C) 2004-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This file contains functions for processing AT commands and results. + * + ******************************************************************************/ + +#include "bta_api.h" +#include "bta_sys.h" +#include "bta_ag_api.h" +#include "bta_ag_int.h" +#include "bta_ag_at.h" +#include "port_api.h" +#include "utl.h" +#include <stdio.h> +#include <string.h> + +/***************************************************************************** +** Constants +*****************************************************************************/ + +/* ring timeout */ +#define BTA_AG_RING_TOUT 10000 + +#define BTA_AG_CMD_MAX_VAL 32767 /* Maximum value is signed 16-bit value */ + + + +/* clip type constants */ +#define BTA_AG_CLIP_TYPE_MIN 128 +#define BTA_AG_CLIP_TYPE_MAX 175 +#define BTA_AG_CLIP_TYPE_DEFAULT 129 +#define BTA_AG_CLIP_TYPE_VOIP 255 + +#if defined(BTA_AG_MULTI_RESULT_INCLUDED) && (BTA_AG_MULTI_RESULT_INCLUDED == TRUE) +#define BTA_AG_AT_MULTI_LEN 2 +#define AT_SET_RES_CB(res_cb, c, p, i) {res_cb.code = c; res_cb.p_arg = p; res_cb.int_arg = i;} + +/* type for AT result code block */ +typedef struct +{ + UINT8 code; + char *p_arg; + INT16 int_arg; +} tBTA_AG_RESULT_CB; + +/* type for multiple AT result codes block */ +typedef struct +{ + UINT8 num_result; + tBTA_AG_RESULT_CB res_cb[BTA_AG_AT_MULTI_LEN]; +} tBTA_AG_MULTI_RESULT_CB; +#endif + +/* enumeration of HSP AT commands matches HSP command interpreter table */ +enum +{ + BTA_AG_HS_CMD_CKPD, + BTA_AG_HS_CMD_VGS, + BTA_AG_HS_CMD_VGM +}; + +/* enumeration of HFP AT commands matches HFP command interpreter table */ +enum +{ + BTA_AG_HF_CMD_A, + BTA_AG_HF_CMD_D, + BTA_AG_HF_CMD_VGS, + BTA_AG_HF_CMD_VGM, + BTA_AG_HF_CMD_CCWA, + BTA_AG_HF_CMD_CHLD, + BTA_AG_HF_CMD_CHUP, + BTA_AG_HF_CMD_CIND, + BTA_AG_HF_CMD_CLIP, + BTA_AG_HF_CMD_CMER, + BTA_AG_HF_CMD_VTS, + BTA_AG_HF_CMD_BINP, + BTA_AG_HF_CMD_BLDN, + BTA_AG_HF_CMD_BVRA, + BTA_AG_HF_CMD_BRSF, + BTA_AG_HF_CMD_NREC, + BTA_AG_HF_CMD_CNUM, + BTA_AG_HF_CMD_BTRH, + BTA_AG_HF_CMD_CLCC, + BTA_AG_HF_CMD_COPS, + BTA_AG_HF_CMD_CMEE, + BTA_AG_HF_CMD_BIA, + BTA_AG_HF_CMD_CBC, + BTA_AG_HF_CMD_BCC, + BTA_AG_HF_CMD_BCS, + BTA_AG_HF_CMD_BAC +}; + +/* AT command interpreter table for HSP */ +const tBTA_AG_AT_CMD bta_ag_hsp_cmd[] = +{ + {"+CKPD", BTA_AG_AT_SET, BTA_AG_AT_INT, 200, 200}, + {"+VGS", BTA_AG_AT_SET, BTA_AG_AT_INT, 0, 15}, + {"+VGM", BTA_AG_AT_SET, BTA_AG_AT_INT, 0, 15}, + {"", BTA_AG_AT_NONE, BTA_AG_AT_STR, 0, 0} +}; + +/* AT command interpreter table for HFP */ +const tBTA_AG_AT_CMD bta_ag_hfp_cmd[] = +{ + {"A", BTA_AG_AT_NONE, BTA_AG_AT_STR, 0, 0}, + {"D", (BTA_AG_AT_NONE | BTA_AG_AT_FREE), BTA_AG_AT_STR, 0, 0}, + {"+VGS", BTA_AG_AT_SET, BTA_AG_AT_INT, 0, 15}, + {"+VGM", BTA_AG_AT_SET, BTA_AG_AT_INT, 0, 15}, + {"+CCWA", BTA_AG_AT_SET, BTA_AG_AT_INT, 0, 1}, + /* Consider CHLD as str to take care of indexes for ECC */ + {"+CHLD", (BTA_AG_AT_SET | BTA_AG_AT_TEST), BTA_AG_AT_STR, 0, 4}, + {"+CHUP", BTA_AG_AT_NONE, BTA_AG_AT_STR, 0, 0}, + {"+CIND", (BTA_AG_AT_READ | BTA_AG_AT_TEST), BTA_AG_AT_STR, 0, 0}, + {"+CLIP", BTA_AG_AT_SET, BTA_AG_AT_INT, 0, 1}, + {"+CMER", BTA_AG_AT_SET, BTA_AG_AT_STR, 0, 0}, + {"+VTS", BTA_AG_AT_SET, BTA_AG_AT_STR, 0, 0}, + {"+BINP", BTA_AG_AT_SET, BTA_AG_AT_INT, 1, 1}, + {"+BLDN", BTA_AG_AT_NONE, BTA_AG_AT_STR, 0, 0}, + {"+BVRA", BTA_AG_AT_SET, BTA_AG_AT_INT, 0, 1}, + {"+BRSF", BTA_AG_AT_SET, BTA_AG_AT_INT, 0, BTA_AG_CMD_MAX_VAL}, + {"+NREC", BTA_AG_AT_SET, BTA_AG_AT_INT, 0, 0}, + {"+CNUM", BTA_AG_AT_NONE, BTA_AG_AT_STR, 0, 0}, + {"+BTRH", (BTA_AG_AT_READ | BTA_AG_AT_SET), BTA_AG_AT_INT, 0, 2}, + {"+CLCC", BTA_AG_AT_NONE, BTA_AG_AT_STR, 0, 0}, + {"+COPS", (BTA_AG_AT_READ | BTA_AG_AT_SET), BTA_AG_AT_STR, 0, 0}, + {"+CMEE", BTA_AG_AT_SET, BTA_AG_AT_INT, 0, 1}, + {"+BIA", BTA_AG_AT_SET, BTA_AG_AT_STR, 0, 20}, + {"+CBC", BTA_AG_AT_SET, BTA_AG_AT_INT, 0, 100}, + {"+BCC", BTA_AG_AT_NONE, BTA_AG_AT_STR, 0, 0}, + {"+BCS", BTA_AG_AT_SET, BTA_AG_AT_INT, 0, BTA_AG_CMD_MAX_VAL}, + {"+BAC", BTA_AG_AT_SET, BTA_AG_AT_STR, 0, 0}, + {"", BTA_AG_AT_NONE, BTA_AG_AT_STR, 0, 0} +}; + +/* AT result code table element */ +typedef struct +{ + const char *p_res; /* AT result string */ + UINT8 fmt; /* whether argument is int or string */ +} tBTA_AG_RESULT; + +/* AT result code argument types */ +enum +{ + BTA_AG_RES_FMT_NONE, /* no argument */ + BTA_AG_RES_FMT_INT, /* integer argument */ + BTA_AG_RES_FMT_STR /* string argument */ +}; + +/* enumeration of AT result codes, matches constant table */ +enum +{ + BTA_AG_RES_OK, + BTA_AG_RES_ERROR, + BTA_AG_RES_RING, + BTA_AG_RES_VGS, + BTA_AG_RES_VGM, + BTA_AG_RES_CCWA, + BTA_AG_RES_CHLD, + BTA_AG_RES_CIND, + BTA_AG_RES_CLIP, + BTA_AG_RES_CIEV, + BTA_AG_RES_BINP, + BTA_AG_RES_BVRA, + BTA_AG_RES_BRSF, + BTA_AG_RES_BSIR, + BTA_AG_RES_CNUM, + BTA_AG_RES_BTRH, + BTA_AG_RES_CLCC, + BTA_AG_RES_COPS, + BTA_AG_RES_CMEE, + BTA_AG_RES_BCS, + BTA_AG_RES_UNAT +}; + +#if defined(BTA_HSP_RESULT_REPLACE_COLON) && (BTA_HSP_RESULT_REPLACE_COLON == TRUE) +#define COLON_IDX_4_VGSVGM 4 +#endif +/* AT result code constant table (Indexed by result code) */ +const tBTA_AG_RESULT bta_ag_result_tbl[] = +{ + {"OK", BTA_AG_RES_FMT_NONE}, + {"ERROR", BTA_AG_RES_FMT_NONE}, + {"RING", BTA_AG_RES_FMT_NONE}, + {"+VGS: ", BTA_AG_RES_FMT_INT}, + {"+VGM: ", BTA_AG_RES_FMT_INT}, + {"+CCWA: ", BTA_AG_RES_FMT_STR}, + {"+CHLD: ", BTA_AG_RES_FMT_STR}, + {"+CIND: ", BTA_AG_RES_FMT_STR}, + {"+CLIP: ", BTA_AG_RES_FMT_STR}, + {"+CIEV: ", BTA_AG_RES_FMT_STR}, + {"+BINP: ", BTA_AG_RES_FMT_STR}, + {"+BVRA: ", BTA_AG_RES_FMT_INT}, + {"+BRSF: ", BTA_AG_RES_FMT_INT}, + {"+BSIR: ", BTA_AG_RES_FMT_INT}, + {"+CNUM: ", BTA_AG_RES_FMT_STR}, + {"+BTRH: ", BTA_AG_RES_FMT_INT}, + {"+CLCC: ", BTA_AG_RES_FMT_STR}, + {"+COPS: ", BTA_AG_RES_FMT_STR}, + {"+CME ERROR: ", BTA_AG_RES_FMT_INT}, + {"+BCS: ", BTA_AG_RES_FMT_INT}, + {"", BTA_AG_RES_FMT_STR} +}; + +const tBTA_AG_AT_CMD *bta_ag_at_tbl[BTA_AG_NUM_IDX] = +{ + bta_ag_hsp_cmd, + bta_ag_hfp_cmd +}; + +/* callback event lookup table for HSP */ +const tBTA_AG_EVT bta_ag_hsp_cb_evt[] = +{ + BTA_AG_AT_CKPD_EVT, /* BTA_AG_HS_CMD_CKPD */ + BTA_AG_SPK_EVT, /* BTA_AG_HS_CMD_VGS */ + BTA_AG_MIC_EVT /* BTA_AG_HS_CMD_VGM */ +}; + +/* callback event lookup table for HFP (Indexed by command) */ +const tBTA_AG_EVT bta_ag_hfp_cb_evt[] = +{ + BTA_AG_AT_A_EVT, /* BTA_AG_HF_CMD_A */ + BTA_AG_AT_D_EVT, /* BTA_AG_HF_CMD_D */ + BTA_AG_SPK_EVT, /* BTA_AG_HF_CMD_VGS */ + BTA_AG_MIC_EVT, /* BTA_AG_HF_CMD_VGM */ + 0, /* BTA_AG_HF_CMD_CCWA */ + BTA_AG_AT_CHLD_EVT, /* BTA_AG_HF_CMD_CHLD */ + BTA_AG_AT_CHUP_EVT, /* BTA_AG_HF_CMD_CHUP */ + BTA_AG_AT_CIND_EVT, /* BTA_AG_HF_CMD_CIND */ + 0, /* BTA_AG_HF_CMD_CLIP */ + 0, /* BTA_AG_HF_CMD_CMER */ + BTA_AG_AT_VTS_EVT, /* BTA_AG_HF_CMD_VTS */ + BTA_AG_AT_BINP_EVT, /* BTA_AG_HF_CMD_BINP */ + BTA_AG_AT_BLDN_EVT, /* BTA_AG_HF_CMD_BLDN */ + BTA_AG_AT_BVRA_EVT, /* BTA_AG_HF_CMD_BVRA */ + 0, /* BTA_AG_HF_CMD_BRSF */ + BTA_AG_AT_NREC_EVT, /* BTA_AG_HF_CMD_NREC */ + BTA_AG_AT_CNUM_EVT, /* BTA_AG_HF_CMD_CNUM */ + BTA_AG_AT_BTRH_EVT, /* BTA_AG_HF_CMD_BTRH */ + BTA_AG_AT_CLCC_EVT, /* BTA_AG_HF_CMD_CLCC */ + BTA_AG_AT_COPS_EVT, /* BTA_AG_HF_CMD_COPS */ + 0, /* BTA_AG_HF_CMD_CMEE */ + 0, /* BTA_AG_HF_CMD_BIA */ + BTA_AG_AT_CBC_EVT, /* BTA_AG_HF_CMD_CBC */ + 0, /* BTA_AG_HF_CMD_BCC */ + BTA_AG_AT_BCS_EVT, /* BTA_AG_HF_CMD_BCS */ + BTA_AG_AT_BAC_EVT /* BTA_AG_HF_CMD_BAC */ +}; + +/* translation of API result code values to internal values */ +const UINT8 bta_ag_trans_result[] = +{ + BTA_AG_RES_VGS, /* BTA_AG_SPK_RES */ + BTA_AG_RES_VGM, /* BTA_AG_MIC_RES */ + BTA_AG_RES_BSIR, /* BTA_AG_INBAND_RING_RES */ + BTA_AG_RES_CIND, /* BTA_AG_CIND_RES */ + BTA_AG_RES_BINP, /* BTA_AG_BINP_RES */ + BTA_AG_RES_CIEV, /* BTA_AG_IND_RES */ + BTA_AG_RES_BVRA, /* BTA_AG_BVRA_RES */ + BTA_AG_RES_CNUM, /* BTA_AG_CNUM_RES */ + BTA_AG_RES_BTRH, /* BTA_AG_BTRH_RES */ + BTA_AG_RES_CLCC, /* BTA_AG_CLCC_RES */ + BTA_AG_RES_COPS, /* BTA_AG_COPS_RES */ + 0, /* BTA_AG_IN_CALL_RES */ + 0, /* BTA_AG_IN_CALL_CONN_RES */ + BTA_AG_RES_CCWA, /* BTA_AG_CALL_WAIT_RES */ + 0, /* BTA_AG_OUT_CALL_ORIG_RES */ + 0, /* BTA_AG_OUT_CALL_ALERT_RES */ + 0, /* BTA_AG_OUT_CALL_CONN_RES */ + 0, /* BTA_AG_CALL_CANCEL_RES */ + 0, /* BTA_AG_END_CALL_RES */ + 0, /* BTA_AG_IN_CALL_HELD_RES */ + BTA_AG_RES_UNAT /* BTA_AG_UNAT_RES */ +}; + +/* callsetup indicator value lookup table */ +const UINT8 bta_ag_callsetup_ind_tbl[] = +{ + 0, /* BTA_AG_SPK_RES */ + 0, /* BTA_AG_MIC_RES */ + 0, /* BTA_AG_INBAND_RING_RES */ + 0, /* BTA_AG_CIND_RES */ + 0, /* BTA_AG_BINP_RES */ + 0, /* BTA_AG_IND_RES */ + 0, /* BTA_AG_BVRA_RES */ + 0, /* BTA_AG_CNUM_RES */ + 0, /* BTA_AG_BTRH_RES */ + 0, /* BTA_AG_CLCC_RES */ + 0, /* BTA_AG_COPS_RES */ + BTA_AG_CALLSETUP_INCOMING, /* BTA_AG_IN_CALL_RES */ + BTA_AG_CALLSETUP_NONE, /* BTA_AG_IN_CALL_CONN_RES */ + BTA_AG_CALLSETUP_INCOMING, /* BTA_AG_CALL_WAIT_RES */ + BTA_AG_CALLSETUP_OUTGOING, /* BTA_AG_OUT_CALL_ORIG_RES */ + BTA_AG_CALLSETUP_ALERTING, /* BTA_AG_OUT_CALL_ALERT_RES */ + BTA_AG_CALLSETUP_NONE, /* BTA_AG_OUT_CALL_CONN_RES */ + BTA_AG_CALLSETUP_NONE, /* BTA_AG_CALL_CANCEL_RES */ + BTA_AG_CALLSETUP_NONE, /* BTA_AG_END_CALL_RES */ + BTA_AG_CALLSETUP_NONE /* BTA_AG_IN_CALL_HELD_RES */ +}; + +/******************************************************************************* +** +** Function bta_ag_send_result +** +** Description Send an AT result code. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_send_result(tBTA_AG_SCB *p_scb, UINT8 code, char *p_arg, + INT16 int_arg) +{ + char buf[BTA_AG_AT_MAX_LEN + 16]; + char *p = buf; + UINT16 len; + +#if defined(BTA_AG_RESULT_DEBUG) && (BTA_AG_RESULT_DEBUG == TRUE) + memset(buf, NULL, sizeof(buf)); +#endif + /* init with \r\n */ + *p++ = '\r'; + *p++ = '\n'; + + /* copy result code string */ + BCM_STRCPY_S(p, sizeof(buf), bta_ag_result_tbl[code].p_res); +#if defined(BTA_HSP_RESULT_REPLACE_COLON) && (BTA_HSP_RESULT_REPLACE_COLON == TRUE) + if(p_scb->conn_service == BTA_AG_HSP) + { + /* If HSP then ":"symbol should be changed as "=" for HSP compatibility */ + switch(code) + { + case BTA_AG_RES_VGS: + case BTA_AG_RES_VGM: + if(*(p+COLON_IDX_4_VGSVGM) == ':') + { + #if defined(BTA_AG_RESULT_DEBUG) && (BTA_AG_RESULT_DEBUG == TRUE) + APPL_TRACE_DEBUG0("[HSP] ':'symbol is changed as '=' for HSP compatibility"); + #endif + *(p+COLON_IDX_4_VGSVGM) = '='; + } + break; + } + } +#endif + p += strlen(bta_ag_result_tbl[code].p_res); + + /* copy argument if any */ + if (bta_ag_result_tbl[code].fmt == BTA_AG_RES_FMT_INT) + { + p += utl_itoa((UINT16) int_arg, p); + } + else if (bta_ag_result_tbl[code].fmt == BTA_AG_RES_FMT_STR) + { + BCM_STRCPY_S(p, sizeof(buf), p_arg); + p += strlen(p_arg); + } + + /* finish with \r\n */ + *p++ = '\r'; + *p++ = '\n'; + +#if defined(BTA_AG_RESULT_DEBUG) && (BTA_AG_RESULT_DEBUG == TRUE) + APPL_TRACE_DEBUG1("bta_ag_send_result: %s", buf); +#endif + + /* send to RFCOMM */ + PORT_WriteData(p_scb->conn_handle, buf, (UINT16) (p - buf), &len); +} + +#if defined(BTA_AG_MULTI_RESULT_INCLUDED) && (BTA_AG_MULTI_RESULT_INCLUDED == TRUE) +/******************************************************************************* +** +** Function bta_ag_send_multi_result +** +** Description Send multiple AT result codes. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_send_multi_result(tBTA_AG_SCB *p_scb, tBTA_AG_MULTI_RESULT_CB *m_res_cb) +{ + char buf[BTA_AG_AT_MAX_LEN * BTA_AG_AT_MULTI_LEN + 16]; + char *p = buf; + UINT16 len; + UINT8 res_idx = 0; + + if((!m_res_cb) || (m_res_cb->num_result == 0) || (m_res_cb->num_result > BTA_AG_AT_MULTI_LEN)) + { + APPL_TRACE_DEBUG0("m_res_cb is NULL or num_result is out of range."); + return; + } + +#if defined(BTA_AG_RESULT_DEBUG) && (BTA_AG_RESULT_DEBUG == TRUE) + memset(buf, NULL, sizeof(buf)); +#endif + + while(res_idx < m_res_cb->num_result) + { + /* init with \r\n */ + *p++ = '\r'; + *p++ = '\n'; + + /* copy result code string */ + BCM_STRCPY_S(p, sizeof(buf), bta_ag_result_tbl[m_res_cb->res_cb[res_idx].code].p_res); + p += strlen(bta_ag_result_tbl[m_res_cb->res_cb[res_idx].code].p_res); + + /* copy argument if any */ + if (bta_ag_result_tbl[m_res_cb->res_cb[res_idx].code].fmt == BTA_AG_RES_FMT_INT) + { + p += utl_itoa((UINT16) m_res_cb->res_cb[res_idx].int_arg, p); + } + else if (bta_ag_result_tbl[m_res_cb->res_cb[res_idx].code].fmt == BTA_AG_RES_FMT_STR) + { + BCM_STRCPY_S(p, sizeof(buf), m_res_cb->res_cb[res_idx].p_arg); + p += strlen(m_res_cb->res_cb[res_idx].p_arg); + } + + /* finish with \r\n */ + *p++ = '\r'; + *p++ = '\n'; + + res_idx++; + } + +#if defined(BTA_AG_RESULT_DEBUG) && (BTA_AG_RESULT_DEBUG == TRUE) + APPL_TRACE_DEBUG1("send_result: %s", buf); +#endif + + /* send to RFCOMM */ + PORT_WriteData(p_scb->conn_handle, buf, (UINT16) (p - buf), &len); +} +#endif + +/******************************************************************************* +** +** Function bta_ag_send_ok +** +** Description Send an OK result code. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_send_ok(tBTA_AG_SCB *p_scb) +{ + bta_ag_send_result(p_scb, BTA_AG_RES_OK, NULL, 0); +} + +/******************************************************************************* +** +** Function bta_ag_send_error +** +** Description Send an ERROR result code. +** errcode - used to send verbose errocode +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_send_error(tBTA_AG_SCB *p_scb, INT16 errcode) +{ + /* If HFP and extended audio gateway error codes are enabled */ + if (p_scb->conn_service == BTA_AG_HFP && p_scb->cmee_enabled) + bta_ag_send_result(p_scb, BTA_AG_RES_CMEE, NULL, errcode); + else + bta_ag_send_result(p_scb, BTA_AG_RES_ERROR, NULL, 0); +} + +/******************************************************************************* +** +** Function bta_ag_send_ind +** +** Description Send an indicator CIEV result code. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_send_ind(tBTA_AG_SCB *p_scb, UINT16 id, UINT16 value, BOOLEAN on_demand) +{ + char str[12]; + char *p = str; + + /* If the indicator is masked out, just return */ + /* Mandatory indicators can not be masked out. */ + if ((p_scb->bia_masked_out & ((UINT32)1 << id)) && + ((id != BTA_AG_IND_CALL) && (id != BTA_AG_IND_CALLSETUP) && (id != BTA_AG_IND_CALLHELD))) + return; + + /* Ensure we do not send duplicate indicators if not requested by app */ + /* If it was requested by app, transmit CIEV even if it is duplicate. */ + if (id == BTA_AG_IND_CALL) + { + if ((value == p_scb->call_ind) && (on_demand == FALSE)) + return; + + p_scb->call_ind = (UINT8)value; + } + + if ((id == BTA_AG_IND_CALLSETUP) && (on_demand == FALSE)) + { + if (value == p_scb->callsetup_ind) + return; + + p_scb->callsetup_ind = (UINT8)value; + } + + if ((id == BTA_AG_IND_SERVICE) && (on_demand == FALSE)) + { + if (value == p_scb->service_ind) + return; + + p_scb->service_ind = (UINT8)value; + } + if ((id == BTA_AG_IND_SIGNAL) && (on_demand == FALSE)) + { + if (value == p_scb->signal_ind) + return; + + p_scb->signal_ind = (UINT8)value; + } + if ((id == BTA_AG_IND_ROAM) && (on_demand == FALSE)) + { + if (value == p_scb->roam_ind) + return; + + p_scb->roam_ind = (UINT8)value; + } + if ((id == BTA_AG_IND_BATTCHG) && (on_demand == FALSE)) + { + if (value == p_scb->battchg_ind) + return; + + p_scb->battchg_ind = (UINT8)value; + } + + if ((id == BTA_AG_IND_CALLHELD) && (on_demand == FALSE)) + { + /* call swap could result in sending callheld=1 multiple times */ + if ((value != 1) && (value == p_scb->callheld_ind)) + return; + + p_scb->callheld_ind = (UINT8)value; + } + + if (p_scb->cmer_enabled) + { + p += utl_itoa(id, p); + *p++ = ','; + utl_itoa(value, p); + bta_ag_send_result(p_scb, BTA_AG_RES_CIEV, str, 0); + } +} + +/******************************************************************************* +** +** Function bta_ag_parse_cmer +** +** Description Parse AT+CMER parameter string. +** +** +** Returns TRUE if parsed ok, FALSE otherwise. +** +*******************************************************************************/ +static BOOLEAN bta_ag_parse_cmer(char *p_s, BOOLEAN *p_enabled) +{ + INT16 n[4] = {-1, -1, -1, -1}; + int i; + char *p; + + for (i = 0; i < 4; i++) + { + /* skip to comma delimiter */ + for (p = p_s; *p != ',' && *p != 0; p++); + + /* get integer value */ + *p = 0; + n[i] = utl_str2int(p_s); + p_s = p + 1; + if (p_s == 0) + { + break; + } + } + + /* process values */ + if (n[0] < 0 || n[3] < 0) + { + return FALSE; + } + + if ((n[0] == 3) && ((n[3] == 1) || (n[3] == 0))) + { + *p_enabled = (BOOLEAN) n[3]; + } + + return TRUE; +} + +/******************************************************************************* +** +** Function bta_ag_parse_chld +** +** Description Parse AT+CHLD parameter string. +** +** +** Returns Returns idx (1-7), or 0 if ECC not enabled or idx doesn't exist +** +*******************************************************************************/ +static UINT8 bta_ag_parse_chld(tBTA_AG_SCB *p_scb, char *p_s) +{ + UINT8 retval = 0; + INT16 idx = -1; + + if (p_s[1] != 0) + { + /* p_idxstr++; point to beginning of call number */ + idx = utl_str2int(&p_s[1]); + if (idx != -1 && idx < 255) + retval = (UINT8)idx; + } + + return (retval); +} + +#if (BTM_WBS_INCLUDED == TRUE ) +/******************************************************************************* +** +** Function bta_ag_parse_bac +** +** Description Parse AT+BAC parameter string. +** +** Returns Returns bitmap of supported codecs. +** +*******************************************************************************/ +static tBTA_AG_PEER_CODEC bta_ag_parse_bac(tBTA_AG_SCB *p_scb, char *p_s) +{ + tBTA_AG_PEER_CODEC retval = BTA_AG_CODEC_NONE; + UINT16 uuid_codec; + BOOLEAN cont = FALSE; /* Continue processing */ + char *p; + + while(p_s) + { + /* skip to comma delimiter */ + for(p = p_s; *p != ',' && *p != 0; p++); + + /* get integre value */ + if (*p != 0) + { + *p = 0; + cont = TRUE; + } + else + cont = FALSE; + + uuid_codec = utl_str2int(p_s); + switch(uuid_codec) + { + case UUID_CODEC_CVSD: retval |= BTA_AG_CODEC_CVSD; break; + case UUID_CODEC_MSBC: retval |= BTA_AG_CODEC_MSBC; break; + default: + APPL_TRACE_ERROR1("Unknown Codec UUID(%d) received", uuid_codec); + return BTA_AG_CODEC_NONE; + } + + if (cont) + p_s = p + 1; + else + break; + } + + return (retval); +} +#endif + +/******************************************************************************* +** +** Function bta_ag_process_unat_res +** +** Description Process the unat response data and remove extra carriage return +** and line feed +** +** +** Returns void +** +*******************************************************************************/ + +static void bta_ag_process_unat_res(char *unat_result) +{ + UINT8 str_leng; + UINT8 i = 0; + UINT8 j = 0; + UINT8 pairs_of_nl_cr; + char trim_data[BTA_AG_AT_MAX_LEN]; + + + + str_leng = strlen(unat_result); + + /* If no extra CR and LF, just return */ + if(str_leng < 4) + return; + + /* Remove the carriage return and left feed */ + while(unat_result[0] =='\r' && unat_result[1] =='\n' + && unat_result[str_leng-2] =='\r' && unat_result[str_leng-1] =='\n') + { + pairs_of_nl_cr = 1; + for (i=0;i<(str_leng-4*pairs_of_nl_cr);i++) + { + trim_data[j++] = unat_result[i+pairs_of_nl_cr*2]; + } + /* Add EOF */ + trim_data[j] = '\0'; + str_leng = str_leng - 4; + BCM_STRNCPY_S(unat_result, BTA_AG_AT_MAX_LEN+1, trim_data,str_leng+1); + i=0; + j=0; + + if(str_leng <4) + return; + + + } + return; +} + + +/******************************************************************************* +** +** Function bta_ag_inband_enabled +** +** Description Determine whether in-band ring can be used. +** +** +** Returns void +** +*******************************************************************************/ +BOOLEAN bta_ag_inband_enabled(tBTA_AG_SCB *p_scb) +{ + /* if feature is enabled and no other scbs connected */ + if (p_scb->inband_enabled && !bta_ag_other_scb_open(p_scb)) + { + return TRUE; + } + else + { + return FALSE; + } +} + +/******************************************************************************* +** +** Function bta_ag_send_call_inds +** +** Description Send call and callsetup indicators. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_send_call_inds(tBTA_AG_SCB *p_scb, tBTA_AG_RES result) +{ + UINT8 call = p_scb->call_ind; + UINT8 callsetup; + + /* set new call and callsetup values based on BTA_AgResult */ + callsetup = bta_ag_callsetup_ind_tbl[result]; + + if (result == BTA_AG_END_CALL_RES) + { + call = BTA_AG_CALL_INACTIVE; + } + else if (result == BTA_AG_IN_CALL_CONN_RES || result == BTA_AG_OUT_CALL_CONN_RES + || result == BTA_AG_IN_CALL_HELD_RES) + { + call = BTA_AG_CALL_ACTIVE; + } + else + { + call = p_scb->call_ind; + } + + /* Send indicator function tracks if the values have actually changed */ + bta_ag_send_ind(p_scb, BTA_AG_IND_CALL, call, FALSE); + bta_ag_send_ind(p_scb, BTA_AG_IND_CALLSETUP, callsetup, FALSE); +} + +/******************************************************************************* +** +** Function bta_ag_at_hsp_cback +** +** Description AT command processing callback for HSP. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_at_hsp_cback(tBTA_AG_SCB *p_scb, UINT16 cmd, UINT8 arg_type, + char *p_arg, INT16 int_arg) +{ + tBTA_AG_VAL val; + + APPL_TRACE_DEBUG4("AT cmd:%d arg_type:%d arg:%d arg:%s", cmd, arg_type, + int_arg, p_arg); + + /* send OK */ + bta_ag_send_ok(p_scb); + + val.hdr.handle = bta_ag_scb_to_idx(p_scb); + val.hdr.app_id = p_scb->app_id; + val.num = (UINT16) int_arg; + BCM_STRNCPY_S(val.str, sizeof(val.str), p_arg, BTA_AG_AT_MAX_LEN); + val.str[BTA_AG_AT_MAX_LEN] = 0; + + /* call callback with event */ + (*bta_ag_cb.p_cback)(bta_ag_hsp_cb_evt[cmd], (tBTA_AG *) &val); +} + +/******************************************************************************* +** +** Function bta_ag_at_hfp_cback +** +** Description AT command processing callback for HFP. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_at_hfp_cback(tBTA_AG_SCB *p_scb, UINT16 cmd, UINT8 arg_type, + char *p_arg, INT16 int_arg) +{ + tBTA_AG_VAL val; + tBTA_AG_EVT event; + tBTA_AG_SCB *ag_scb; + UINT32 i, ind_id; + UINT32 bia_masked_out; +#if (BTM_WBS_INCLUDED == TRUE ) + tBTA_AG_PEER_CODEC codec_type, codec_sent; +#endif + + APPL_TRACE_DEBUG4("HFP AT cmd:%d arg_type:%d arg:%d arg:%s", cmd, arg_type, + int_arg, p_arg); + + val.hdr.handle = bta_ag_scb_to_idx(p_scb); + val.hdr.app_id = p_scb->app_id; + val.num = int_arg; + BCM_STRNCPY_S(val.str, sizeof(val.str), p_arg, BTA_AG_AT_MAX_LEN); + val.str[BTA_AG_AT_MAX_LEN] = 0; + + event = bta_ag_hfp_cb_evt[cmd]; + + switch (cmd) + { + case BTA_AG_HF_CMD_A: + case BTA_AG_HF_CMD_VGS: + case BTA_AG_HF_CMD_VGM: + case BTA_AG_HF_CMD_CHUP: + case BTA_AG_HF_CMD_CBC: + /* send OK */ + bta_ag_send_ok(p_scb); + break; + + case BTA_AG_HF_CMD_BLDN: + /* Do not send OK, App will send error or OK depending on + ** last dial number enabled or not */ + break; + + case BTA_AG_HF_CMD_D: + /* Do not send OK for Dial cmds + ** Let application decide whether to send OK or ERROR*/ + + /* if mem dial cmd, make sure string contains only digits */ + if(p_arg[0] == '>') + { + if(!utl_isintstr(p_arg+1)) + { + event = 0; + bta_ag_send_error(p_scb, BTA_AG_ERR_INV_CHAR_IN_DSTR); + } + } + else if (p_arg[0] == 'V') /* ATDV : Dial VoIP Call */ + { + /* We do not check string. Code will be added later if needed. */ + if(!((p_scb->peer_features & BTA_AG_PEER_FEAT_VOIP) && (p_scb->features & BTA_AG_FEAT_VOIP))) + { + event = 0; + bta_ag_send_error(p_scb, BTA_AG_ERR_OP_NOT_SUPPORTED); + } + } + /* If dial cmd, make sure string contains only dial digits + ** Dial digits are 0-9, A-C, *, #, + */ + else + { + if(!utl_isdialstr(p_arg)) + { + event = 0; + bta_ag_send_error(p_scb, BTA_AG_ERR_INV_CHAR_IN_DSTR); + } + } + break; + + case BTA_AG_HF_CMD_CCWA: + /* store setting */ + p_scb->ccwa_enabled = (BOOLEAN) int_arg; + + /* send OK */ + bta_ag_send_ok(p_scb); + break; + + case BTA_AG_HF_CMD_CHLD: + if (arg_type == BTA_AG_AT_TEST) + { + /* don't call callback */ + event = 0; + + /* send CHLD string */ + /* Form string based on supported 1.5 feature */ + if ((p_scb->peer_version >= HFP_VERSION_1_5) && + (p_scb->features & BTA_AG_FEAT_ECC) && + (p_scb->peer_features & BTA_AG_PEER_FEAT_ECC)) + bta_ag_send_result(p_scb, BTA_AG_RES_CHLD, p_bta_ag_cfg->chld_val_ecc, 0); + else + bta_ag_send_result(p_scb, BTA_AG_RES_CHLD, p_bta_ag_cfg->chld_val, 0); + + /* send OK */ + bta_ag_send_ok(p_scb); + + /* if service level conn. not already open, now it's open */ + bta_ag_svc_conn_open(p_scb, NULL); + + } + else + { + val.idx = bta_ag_parse_chld(p_scb, val.str); + + if(val.idx && !((p_scb->features & BTA_AG_FEAT_ECC) && (p_scb->peer_features & BTA_AG_PEER_FEAT_ECC))) + { + /* we do not support ECC, but HF is sending us a CHLD with call index*/ + event = 0; + bta_ag_send_error(p_scb, BTA_AG_ERR_OP_NOT_SUPPORTED); + + } + else + { + + /* If it is swap between calls, set call held indicator to 3(out of valid 0-2) + ** Application will set it back to 1 + ** callheld indicator will be sent across to the peer. */ + if(val.str[0] == '2') + { + for (i = 0, ag_scb = &bta_ag_cb.scb[0]; i < BTA_AG_NUM_SCB; i++, ag_scb++) + { + if (ag_scb->in_use) + { + if((ag_scb->call_ind == BTA_AG_CALL_ACTIVE) + && (ag_scb->callsetup_ind == BTA_AG_CALLSETUP_NONE)) + ag_scb->callheld_ind = BTA_AG_CALLHELD_NOACTIVE + 1; + } + } + } + } + + /* Do not send OK. Let app decide after parsing the val str */ + /* bta_ag_send_ok(p_scb); */ + } + break; + + case BTA_AG_HF_CMD_CIND: + if (arg_type == BTA_AG_AT_TEST) + { + /* don't call callback */ + event = 0; + + /* send CIND string, send OK */ + bta_ag_send_result(p_scb, BTA_AG_RES_CIND, p_bta_ag_cfg->cind_info, 0); + bta_ag_send_ok(p_scb); + } + break; + + case BTA_AG_HF_CMD_CLIP: + /* store setting, send OK */ + p_scb->clip_enabled = (BOOLEAN) int_arg; + bta_ag_send_ok(p_scb); + break; + + case BTA_AG_HF_CMD_CMER: + /* if parsed ok store setting, send OK */ + if (bta_ag_parse_cmer(p_arg, &p_scb->cmer_enabled)) + { + bta_ag_send_ok(p_scb); + + /* if service level conn. not already open and our features and + ** peer features do not have 3-way, service level conn. now open + */ + if (!p_scb->svc_conn && + !((p_scb->features & BTA_AG_FEAT_3WAY) && (p_scb->peer_features & BTA_AG_PEER_FEAT_3WAY))) + { + bta_ag_svc_conn_open(p_scb, NULL); + } + } + else + { + bta_ag_send_error(p_scb, BTA_AG_ERR_INV_CHAR_IN_TSTR); + } + break; + + case BTA_AG_HF_CMD_VTS: + /* check argument */ + if (strlen(p_arg) == 1) + { + bta_ag_send_ok(p_scb); + } + else + { + event = 0; + bta_ag_send_error(p_scb, BTA_AG_ERR_INV_CHAR_IN_TSTR); + } + break; + + case BTA_AG_HF_CMD_BINP: + /* if feature not set don't call callback, send ERROR */ + if (!(p_scb->features & BTA_AG_FEAT_VTAG)) + { + event = 0; + bta_ag_send_error(p_scb, BTA_AG_ERR_OP_NOT_SUPPORTED); + } + break; + + case BTA_AG_HF_CMD_BVRA: + /* if feature not supported don't call callback, send ERROR. App will send OK */ + if (!(p_scb->features & BTA_AG_FEAT_VREC)) + { + event = 0; + bta_ag_send_error(p_scb, BTA_AG_ERR_OP_NOT_SUPPORTED); + } + break; + + case BTA_AG_HF_CMD_BRSF: + /* store peer features */ + p_scb->peer_features = (UINT16) int_arg; + + /* send BRSF, send OK */ + bta_ag_send_result(p_scb, BTA_AG_RES_BRSF, NULL, + (INT16) (p_scb->features & BTA_AG_BSRF_FEAT_SPEC)); + bta_ag_send_ok(p_scb); + break; + + case BTA_AG_HF_CMD_NREC: + /* if feature send OK, else don't call callback, send ERROR */ + if (p_scb->features & BTA_AG_FEAT_ECNR) + { + bta_ag_send_ok(p_scb); + } + else + { + event = 0; + bta_ag_send_error(p_scb, BTA_AG_ERR_OP_NOT_SUPPORTED); + } + break; + + case BTA_AG_HF_CMD_BTRH: + /* if feature send BTRH, send OK:, else don't call callback, send ERROR */ + if (p_scb->features & BTA_AG_FEAT_BTRH) + { + /* If set command; send response and notify app */ + if (arg_type == BTA_AG_AT_SET) + { + for (i = 0, ag_scb = &bta_ag_cb.scb[0]; i < BTA_AG_NUM_SCB; i++, ag_scb++) + { + if (ag_scb->in_use) + { + bta_ag_send_result(ag_scb, BTA_AG_RES_BTRH, NULL, int_arg); + } + } + bta_ag_send_ok(p_scb); + } + else /* Read Command */ + { + val.num = BTA_AG_BTRH_READ; + } + } + else + { + event = 0; + bta_ag_send_error(p_scb, BTA_AG_ERR_OP_NOT_SUPPORTED); + } + break; + + case BTA_AG_HF_CMD_COPS: + if (arg_type == BTA_AG_AT_SET) + { + /* don't call callback */ + event = 0; + + /* send OK */ + bta_ag_send_ok(p_scb); + } + break; + + case BTA_AG_HF_CMD_CMEE: + if (p_scb->features & BTA_AG_FEAT_EXTERR) + { + /* store setting */ + p_scb->cmee_enabled = (BOOLEAN) int_arg; + + /* send OK */ + bta_ag_send_ok(p_scb); + } + else + { + bta_ag_send_error(p_scb, BTA_AG_ERR_OP_NOT_SUPPORTED); + } + /* don't call callback */ + event = 0; + break; + + case BTA_AG_HF_CMD_BIA: + /* don't call callback */ + event = 0; + + bia_masked_out = p_scb->bia_masked_out; + + /* Parse the indicator mask */ + for (i = 0, ind_id = 1; (val.str[i] != 0) && (ind_id <= 20); i++, ind_id++) + { + if (val.str[i] == ',') + continue; + + if (val.str[i] == '0') + bia_masked_out |= ((UINT32)1 << ind_id); + else if (val.str[i] == '1') + bia_masked_out &= ~((UINT32)1 << ind_id); + else + break; + + i++; + if ( (val.str[i] != 0) && (val.str[i] != ',') ) + break; + } + if (val.str[i] == 0) + { + p_scb->bia_masked_out = bia_masked_out; + bta_ag_send_ok (p_scb); + } + else + bta_ag_send_error (p_scb, BTA_AG_ERR_INVALID_INDEX); + break; + + case BTA_AG_HF_CMD_CNUM: + break; + case BTA_AG_HF_CMD_CLCC: + if(!(p_scb->features & BTA_AG_FEAT_ECS)) + { + event = 0; + bta_ag_send_error(p_scb, BTA_AG_ERR_OP_NOT_SUPPORTED); + } + break; + +#if (BTM_WBS_INCLUDED == TRUE ) + case BTA_AG_HF_CMD_BAC: + bta_ag_send_ok(p_scb); + + /* store available codecs from the peer */ + if((p_scb->peer_features & BTA_AG_PEER_FEAT_CODEC) && (p_scb->features & BTA_AG_FEAT_CODEC)) + { + p_scb->peer_codecs = bta_ag_parse_bac(p_scb, p_arg); + p_scb->codec_updated = TRUE; + + if (p_scb->peer_codecs & BTA_AG_CODEC_MSBC) + { + p_scb->sco_codec = UUID_CODEC_MSBC; + APPL_TRACE_DEBUG0("Received AT+BAC, updating sco codec to MSBC"); + } + else + { + p_scb->sco_codec = UUID_CODEC_CVSD; + APPL_TRACE_DEBUG0("Received AT+BAC, updating sco codec to CVSD"); + } + + /* Received BAC while in codec negotiation. */ + if ((bta_ag_cb.sco.state == BTA_AG_SCO_CODEC_ST) && (bta_ag_cb.sco.p_curr_scb == p_scb)) + { + bta_ag_codec_negotiate (p_scb); + } + } + else + { + p_scb->peer_codecs = BTA_AG_CODEC_NONE; + APPL_TRACE_ERROR0("Unexpected CMD:AT+BAC, Codec Negotiation is not supported"); + } + break; + + case BTA_AG_HF_CMD_BCS: + /* stop cn timer */ + bta_sys_stop_timer(&p_scb->cn_timer); + + switch(int_arg) + { + case UUID_CODEC_CVSD: codec_type = BTA_AG_CODEC_CVSD; break; + case UUID_CODEC_MSBC: codec_type = BTA_AG_CODEC_MSBC; break; + default: + APPL_TRACE_ERROR1("Unknown codec_uuid %d", int_arg); + codec_type = 0xFFFF; + break; + } + + if (p_scb->codec_fallback) + codec_sent = BTA_AG_CODEC_CVSD; + else + codec_sent = p_scb->sco_codec; + + if(codec_type == codec_sent) + bta_ag_sco_codec_nego(p_scb, TRUE); + else + bta_ag_sco_codec_nego(p_scb, FALSE); + + bta_ag_send_ok(p_scb); + break; + + case BTA_AG_HF_CMD_BCC: + bta_ag_send_ok(p_scb); + bta_ag_sco_open(p_scb, NULL); + break; +#endif + + default: + break; + } + + /* call callback */ + if (event != 0) + { + (*bta_ag_cb.p_cback)(event, (tBTA_AG *) &val); + } +} + +/******************************************************************************* +** +** Function bta_ag_at_err_cback +** +** Description AT command parser error callback. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_at_err_cback(tBTA_AG_SCB *p_scb, BOOLEAN unknown, char *p_arg) +{ + tBTA_AG_VAL val; + + if(unknown && (!strlen(p_arg))) + { + APPL_TRACE_DEBUG0("Empty AT cmd string received"); + bta_ag_send_ok(p_scb); + return; + } + + /* if unknown AT command and configured to pass these to app */ + if (unknown && (p_scb->features & BTA_AG_FEAT_UNAT)) + { + val.hdr.handle = bta_ag_scb_to_idx(p_scb); + val.hdr.app_id = p_scb->app_id; + val.num = 0; + BCM_STRNCPY_S(val.str, sizeof(val.str), p_arg, BTA_AG_AT_MAX_LEN); + val.str[BTA_AG_AT_MAX_LEN] = 0; + (*bta_ag_cb.p_cback)(BTA_AG_AT_UNAT_EVT, (tBTA_AG *) &val); + } + else + { + bta_ag_send_error(p_scb, BTA_AG_ERR_OP_NOT_SUPPORTED); + } +} + +/******************************************************************************* +** +** Function bta_ag_hsp_result +** +** Description Handle API result for HSP connections. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_hsp_result(tBTA_AG_SCB *p_scb, tBTA_AG_API_RESULT *p_result) +{ + UINT8 code = bta_ag_trans_result[p_result->result]; + + APPL_TRACE_DEBUG1("bta_ag_hsp_result : res = %d", p_result->result); + + switch(p_result->result) + { + case BTA_AG_SPK_RES: + case BTA_AG_MIC_RES: + bta_ag_send_result(p_scb, code, NULL, p_result->data.num); + break; + + case BTA_AG_IN_CALL_RES: + /* tell sys to stop av if any */ + bta_sys_sco_use(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); + + /* if sco already opened or no inband ring send ring now */ + if (bta_ag_sco_is_open(p_scb) || !bta_ag_inband_enabled(p_scb) || + (p_scb->features & BTA_AG_FEAT_NOSCO)) + { + bta_ag_send_ring(p_scb, (tBTA_AG_DATA *) p_result); + } + /* else open sco, send ring after sco opened */ + else + { + /* HSPv1.2: AG shall not send RING if using in-band ring tone. */ + if (p_scb->hsp_version >= HSP_VERSION_1_2) + p_scb->post_sco = BTA_AG_POST_SCO_NONE; + else + p_scb->post_sco = BTA_AG_POST_SCO_RING; + + bta_ag_sco_open(p_scb, (tBTA_AG_DATA *) p_result); + } + break; + + case BTA_AG_IN_CALL_CONN_RES: + case BTA_AG_OUT_CALL_ORIG_RES: + /* if incoming call connected stop ring timer */ + if (p_result->result == BTA_AG_IN_CALL_CONN_RES) + { + bta_sys_stop_timer(&p_scb->act_timer); + } + + if (!(p_scb->features & BTA_AG_FEAT_NOSCO)) + { + /* if audio connected to this scb open sco */ + if (p_result->data.audio_handle == bta_ag_scb_to_idx(p_scb)) + { + bta_ag_sco_open(p_scb, (tBTA_AG_DATA *) p_result); + } + /* else if no audio at call close sco */ + else if (p_result->data.audio_handle == BTA_AG_HANDLE_NONE) + { + bta_ag_sco_close(p_scb, (tBTA_AG_DATA *) p_result); + } + } + break; + + case BTA_AG_END_CALL_RES: + /* stop ring timer */ + bta_sys_stop_timer(&p_scb->act_timer); + + /* close sco */ + if ((bta_ag_sco_is_open(p_scb) || bta_ag_sco_is_opening(p_scb)) && !(p_scb->features & BTA_AG_FEAT_NOSCO)) + { + bta_ag_sco_close(p_scb, (tBTA_AG_DATA *) p_result); + } + else + { + /* if av got suspended by this call, let it resume. */ + bta_sys_sco_unuse(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); + } + break; + + case BTA_AG_INBAND_RING_RES: + p_scb->inband_enabled = p_result->data.state; + APPL_TRACE_DEBUG1("inband_enabled set to %d", p_scb->inband_enabled); + break; + + case BTA_AG_UNAT_RES: + if (p_result->data.ok_flag != BTA_AG_OK_ERROR) + { + if (p_result->data.str[0] != 0) + { + bta_ag_send_result(p_scb, code, p_result->data.str, 0); + } + + if (p_result->data.ok_flag == BTA_AG_OK_DONE) + bta_ag_send_ok(p_scb); + } + else + { + bta_ag_send_error(p_scb, BTA_AG_ERR_INV_CHAR_IN_TSTR); + } + break; + + default: + /* ignore all others */ + break; + } +} + +/******************************************************************************* +** +** Function bta_ag_hfp_result +** +** Description Handle API result for HFP connections. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_hfp_result(tBTA_AG_SCB *p_scb, tBTA_AG_API_RESULT *p_result) +{ + UINT8 code = bta_ag_trans_result[p_result->result]; + + APPL_TRACE_DEBUG1("bta_ag_hfp_result : res = %d", p_result->result); + + switch(p_result->result) + { + case BTA_AG_SPK_RES: + case BTA_AG_MIC_RES: + bta_ag_send_result(p_scb, code, NULL, p_result->data.num); + break; + + case BTA_AG_IN_CALL_RES: + /* tell sys to stop av if any */ + bta_sys_sco_use(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); + + /* store caller id string. + * append type info at the end. + * make sure a valid type info is passed. + * otherwise add 129 as default type */ + if ((p_result->data.num < BTA_AG_CLIP_TYPE_MIN) || (p_result->data.num > BTA_AG_CLIP_TYPE_MAX)) + { + if (p_result->data.num != BTA_AG_CLIP_TYPE_VOIP) + p_result->data.num = BTA_AG_CLIP_TYPE_DEFAULT; + } + + APPL_TRACE_DEBUG1("CLIP type :%d", p_result->data.num); + p_scb->clip[0] = 0; + if (p_result->data.str[0] != 0) + sprintf(p_scb->clip,"%s,%d", p_result->data.str, p_result->data.num); + + /* send callsetup indicator */ + if (p_scb->post_sco == BTA_AG_POST_SCO_CALL_END) + { + /* Need to sent 2 callsetup IND's(Call End and Incoming call) after SCO close. */ + p_scb->post_sco = BTA_AG_POST_SCO_CALL_END_INCALL; + } + else + { + bta_ag_send_call_inds(p_scb, p_result->result); + + /* if sco already opened or no inband ring send ring now */ + if (bta_ag_sco_is_open(p_scb) || !bta_ag_inband_enabled(p_scb) || + (p_scb->features & BTA_AG_FEAT_NOSCO)) + { + bta_ag_send_ring(p_scb, (tBTA_AG_DATA *) p_result); + } + /* else open sco, send ring after sco opened */ + else + { + p_scb->post_sco = BTA_AG_POST_SCO_RING; + bta_ag_sco_open(p_scb, (tBTA_AG_DATA *) p_result); + } + } + break; + + case BTA_AG_IN_CALL_CONN_RES: + /* stop ring timer */ + bta_sys_stop_timer(&p_scb->act_timer); + + /* if sco not opened and we need to open it, open sco first + ** then send indicators + */ + if (p_result->data.audio_handle == bta_ag_scb_to_idx(p_scb) && + !bta_ag_sco_is_open(p_scb) && !(p_scb->features & BTA_AG_FEAT_NOSCO)) + { + p_scb->post_sco = BTA_AG_POST_SCO_CALL_CONN; + bta_ag_sco_open(p_scb, (tBTA_AG_DATA *) p_result); + } + /* else if sco open and we need to close it, close sco first + ** then send indicators + */ + else if (p_result->data.audio_handle == BTA_AG_HANDLE_NONE && + bta_ag_sco_is_open(p_scb) && !(p_scb->features & BTA_AG_FEAT_NOSCO)) + { + p_scb->post_sco = BTA_AG_POST_SCO_CALL_CONN; + bta_ag_sco_close(p_scb, (tBTA_AG_DATA *) p_result); + } + /* else send indicators now */ + else + { + bta_ag_send_call_inds(p_scb, p_result->result); + } + break; + + case BTA_AG_IN_CALL_HELD_RES: + /* stop ring timer */ + bta_sys_stop_timer(&p_scb->act_timer); + + bta_ag_send_call_inds(p_scb, p_result->result); + + break; + + case BTA_AG_OUT_CALL_ORIG_RES: + /* if sco open and we need to close it, close sco first + ** then send indicators; else send indicators now + */ + if (p_result->data.audio_handle == BTA_AG_HANDLE_NONE && + bta_ag_sco_is_open(p_scb) && !(p_scb->features & BTA_AG_FEAT_NOSCO)) + { + p_scb->post_sco = BTA_AG_POST_SCO_CALL_ORIG; + bta_ag_sco_close(p_scb, (tBTA_AG_DATA *) p_result); + } + else + { + bta_ag_send_call_inds(p_scb, p_result->result); + if (p_result->data.audio_handle == bta_ag_scb_to_idx(p_scb) && + !(p_scb->features & BTA_AG_FEAT_NOSCO)) + { + bta_ag_sco_open(p_scb, (tBTA_AG_DATA *) p_result); + } + } + break; + + case BTA_AG_OUT_CALL_ALERT_RES: + /* send indicators */ + bta_ag_send_call_inds(p_scb, p_result->result); + if (p_result->data.audio_handle == bta_ag_scb_to_idx(p_scb) && + !(p_scb->features & BTA_AG_FEAT_NOSCO)) + { + bta_ag_sco_open(p_scb, (tBTA_AG_DATA *) p_result); + } + break; + + case BTA_AG_OUT_CALL_CONN_RES: + /* send indicators */ + bta_ag_send_call_inds(p_scb, p_result->result); + + /* open or close sco */ + if (!(p_scb->features & BTA_AG_FEAT_NOSCO)) + { + if (p_result->data.audio_handle == bta_ag_scb_to_idx(p_scb)) + { + bta_ag_sco_open(p_scb, (tBTA_AG_DATA *) p_result); + } + else if (p_result->data.audio_handle == BTA_AG_HANDLE_NONE) + { + bta_ag_sco_close(p_scb, (tBTA_AG_DATA *) p_result); + } + } + break; + + case BTA_AG_CALL_CANCEL_RES: + /* send indicators */ + bta_ag_send_call_inds(p_scb, p_result->result); + break; + + case BTA_AG_END_CALL_RES: + /* stop ring timer */ + bta_sys_stop_timer(&p_scb->act_timer); + + /* if sco open, close sco then send indicator values */ + if ((bta_ag_sco_is_open(p_scb) || bta_ag_sco_is_opening(p_scb)) && !(p_scb->features & BTA_AG_FEAT_NOSCO)) + { + p_scb->post_sco = BTA_AG_POST_SCO_CALL_END; + bta_ag_sco_close(p_scb, (tBTA_AG_DATA *) p_result); + } + else if (p_scb->post_sco == BTA_AG_POST_SCO_CALL_END_INCALL) + { + /* sco closing for outgoing call because of incoming call */ + /* Send only callsetup end indicator after sco close */ + p_scb->post_sco = BTA_AG_POST_SCO_CALL_END; + } + else + { + bta_ag_send_call_inds(p_scb, p_result->result); + + /* if av got suspended by this call, let it resume. */ + bta_sys_sco_unuse(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); + } + break; + + case BTA_AG_INBAND_RING_RES: + p_scb->inband_enabled = p_result->data.state; + APPL_TRACE_DEBUG1("inband_enabled set to %d", p_scb->inband_enabled); + bta_ag_send_result(p_scb, code, NULL, p_result->data.state); + break; + + case BTA_AG_CIND_RES: + /* store local values */ + p_scb->call_ind = p_result->data.str[0] - '0'; + p_scb->callsetup_ind = p_result->data.str[2] - '0'; + p_scb->service_ind = p_result->data.str[4] - '0'; + p_scb->signal_ind = p_result->data.str[6] - '0'; + p_scb->roam_ind = p_result->data.str[8] - '0'; + p_scb->battchg_ind = p_result->data.str[10] - '0'; + APPL_TRACE_DEBUG2("cind call:%d callsetup:%d", p_scb->call_ind, p_scb->callsetup_ind); + + bta_ag_send_result(p_scb, code, p_result->data.str, 0); + bta_ag_send_ok(p_scb); + break; + + case BTA_AG_BINP_RES: + case BTA_AG_CNUM_RES: + case BTA_AG_CLCC_RES: + case BTA_AG_COPS_RES: + if (p_result->data.ok_flag != BTA_AG_OK_ERROR) + { + if (p_result->data.str[0] != 0) + { + bta_ag_send_result(p_scb, code, p_result->data.str, 0); + } + + if (p_result->data.ok_flag == BTA_AG_OK_DONE) + bta_ag_send_ok(p_scb); + } + else + { + bta_ag_send_error(p_scb, p_result->data.errcode); + } + break; + + + case BTA_AG_UNAT_RES: + if (p_result->data.ok_flag != BTA_AG_OK_ERROR) + { + if (p_result->data.str[0] != 0) + { + bta_ag_process_unat_res(p_result->data.str); + APPL_TRACE_DEBUG1("BTA_AG_RES :%s",p_result->data.str); + bta_ag_send_result(p_scb, code, p_result->data.str, 0); + } + + if (p_result->data.ok_flag == BTA_AG_OK_DONE) + bta_ag_send_ok(p_scb); + } + else + { + bta_ag_send_error(p_scb, p_result->data.errcode); + } + break; + + case BTA_AG_CALL_WAIT_RES: + if (p_scb->ccwa_enabled) + { + bta_ag_send_result(p_scb, code, p_result->data.str, 0); + } + bta_ag_send_call_inds(p_scb, p_result->result); + break; + + case BTA_AG_IND_RES: + bta_ag_send_ind(p_scb, p_result->data.ind.id, p_result->data.ind.value, FALSE); + break; + + case BTA_AG_BVRA_RES: + bta_ag_send_result(p_scb, code, NULL, p_result->data.state); + break; + + case BTA_AG_BTRH_RES: + if (p_result->data.ok_flag != BTA_AG_OK_ERROR) + { + /* Don't respond to read if not in response & hold state */ + if (p_result->data.num != BTA_AG_BTRH_NO_RESP) + { + bta_ag_send_result(p_scb, code, NULL, p_result->data.num); + } + + /* In case of a response to a read request we need to send OK */ + if (p_result->data.ok_flag == BTA_AG_OK_DONE) + bta_ag_send_ok(p_scb); + } + else + { + bta_ag_send_error(p_scb, p_result->data.errcode); + } + break; + + default: + break; + } +} + + +/******************************************************************************* +** +** Function bta_ag_result +** +** Description Handle API result. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_result(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + if (p_scb->conn_service == BTA_AG_HSP) + { + bta_ag_hsp_result(p_scb, &p_data->api_result); + } + else + { + bta_ag_hfp_result(p_scb, &p_data->api_result); + } +} + +/******************************************************************************* +** +** Function bta_ag_setcodec +** +** Description Handle API SetCodec +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_setcodec(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ +#if (BTM_WBS_INCLUDED == TRUE ) + tBTA_AG_PEER_CODEC codec_type = p_data->api_setcodec.codec; + + /* Check if the requested codec type is valid */ + if((codec_type != BTA_AG_CODEC_NONE) && + (codec_type != BTA_AG_CODEC_CVSD) && + (codec_type != BTA_AG_CODEC_MSBC)) + { + APPL_TRACE_ERROR1("bta_ag_setcodec error: unsupported codec type %d", codec_type); + return; + } + + if((p_scb->peer_codecs & codec_type) || (codec_type == BTA_AG_CODEC_NONE) || (codec_type == BTA_AG_CODEC_CVSD)) + { + p_scb->sco_codec = codec_type; + p_scb->codec_updated = TRUE; + APPL_TRACE_DEBUG1("bta_ag_setcodec: Updated codec type %d", codec_type); + } + else + { + APPL_TRACE_ERROR1("bta_ag_setcodec error: unsupported codec type %d", codec_type); + } +#endif +} + + +#if (BTM_WBS_INCLUDED == TRUE ) +/******************************************************************************* +** +** Function bta_ag_send_bcs +** +** Description Send +BCS AT command to peer. +** +** Returns void +** +*******************************************************************************/ +void bta_ag_send_bcs(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + UINT16 codec_uuid; + + if (p_scb->codec_fallback) + { + codec_uuid = UUID_CODEC_CVSD; + } + else + { + switch(p_scb->sco_codec) + { + case BTA_AG_CODEC_NONE: codec_uuid = UUID_CODEC_CVSD; break; + case BTA_AG_CODEC_CVSD: codec_uuid = UUID_CODEC_CVSD; break; + case BTA_AG_CODEC_MSBC: codec_uuid = UUID_CODEC_MSBC; break; + default: + APPL_TRACE_ERROR1("bta_ag_send_bcs: unknown codec %d, use CVSD", p_scb->sco_codec); + codec_uuid = UUID_CODEC_CVSD; + break; + } + } + + /* send +BCS */ + bta_ag_send_result(p_scb, BTA_AG_RES_BCS, NULL, codec_uuid); + +} +#endif + +/******************************************************************************* +** +** Function bta_ag_send_ring +** +** Description Send RING result code to peer. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_send_ring(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ +#if defined(BTA_AG_MULTI_RESULT_INCLUDED) && (BTA_AG_MULTI_RESULT_INCLUDED == TRUE) + tBTA_AG_MULTI_RESULT_CB m_res_cb; + + if (p_scb->conn_service == BTA_AG_HFP && p_scb->clip_enabled && p_scb->clip[0] != 0) + { + memset(&m_res_cb, NULL, sizeof(tBTA_AG_MULTI_RESULT_CB)); + + m_res_cb.num_result = 2; + AT_SET_RES_CB(m_res_cb.res_cb[0], BTA_AG_RES_RING, NULL, 0) + AT_SET_RES_CB(m_res_cb.res_cb[1], BTA_AG_RES_CLIP, p_scb->clip, 0) + + bta_ag_send_multi_result(p_scb, &m_res_cb); + } + else + { + /* send RING ONLY */ + bta_ag_send_result(p_scb, BTA_AG_RES_RING, NULL, 0); + } +#else + /* send RING */ + bta_ag_send_result(p_scb, BTA_AG_RES_RING, NULL, 0); + + /* if HFP and clip enabled and clip data send CLIP */ + if (p_scb->conn_service == BTA_AG_HFP && p_scb->clip_enabled && p_scb->clip[0] != 0) + { + bta_ag_send_result(p_scb, BTA_AG_RES_CLIP, p_scb->clip, 0); + } +#endif + + /* restart ring timer */ + bta_sys_start_timer(&p_scb->act_timer, BTA_AG_RING_TOUT_EVT, BTA_AG_RING_TOUT); +} + + diff --git a/bta/ag/bta_ag_int.h b/bta/ag/bta_ag_int.h new file mode 100644 index 0000000..b0d1b1d --- /dev/null +++ b/bta/ag/bta_ag_int.h @@ -0,0 +1,423 @@ +/****************************************************************************** + * + * Copyright (C) 2003-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This is the private interface file for the BTA audio gateway. + * + ******************************************************************************/ +#ifndef BTA_AG_INT_H +#define BTA_AG_INT_H + +#include "bta_sys.h" +#include "bta_api.h" +#include "bta_ag_api.h" +#include "bta_ag_at.h" + +/* Send RING & CLIP in one AT cmd */ +#ifndef BTA_AG_MULTI_RESULT_INCLUDED +#define BTA_AG_MULTI_RESULT_INCLUDED FALSE +#endif + +/* Replace : in VGS and VGM for HSP */ +#ifndef BTA_HSP_RESULT_REPLACE_COLON +#define BTA_HSP_RESULT_REPLACE_COLON TRUE +#endif + +/***************************************************************************** +** Constants +*****************************************************************************/ +#define HFP_VERSION_1_1 0x0101 +#define HFP_VERSION_1_5 0x0105 +#define HFP_VERSION_1_6 0x0106 + +#define HSP_VERSION_1_0 0x0100 +#define HSP_VERSION_1_2 0x0102 + +/* Number of SCBs (AG service instances that can be registered) */ +#ifndef BTA_AG_NUM_SCB +#define BTA_AG_NUM_SCB 2 +#endif + +/* Timer to wait for retry in case of collision */ +#ifndef BTA_AG_COLLISION_TIMER +#define BTA_AG_COLLISION_TIMER 2000 +#endif + +/* RFCOMM MTU SIZE */ +#define BTA_AG_MTU 256 + +/* Internal profile indexes */ +#define BTA_AG_HSP 0 /* index for HSP */ +#define BTA_AG_HFP 1 /* index for HFP */ +#define BTA_AG_NUM_IDX 2 /* number of profile indexes */ + +/* profile role for connection */ +#define BTA_AG_ACP 0 /* accepted connection */ +#define BTA_AG_INT 1 /* initiating connection */ + +/* feature mask that matches spec */ +#define BTA_AG_BSRF_FEAT_SPEC (BTA_AG_FEAT_3WAY | BTA_AG_FEAT_ECNR | \ + BTA_AG_FEAT_VREC | BTA_AG_FEAT_INBAND | \ + BTA_AG_FEAT_VTAG | BTA_AG_FEAT_REJECT | \ + BTA_AG_FEAT_ECS | BTA_AG_FEAT_ECC | \ + BTA_AG_FEAT_EXTERR | BTA_AG_FEAT_CODEC | \ + BTA_AG_FEAT_VOIP) + +#define BTA_AG_SDP_FEAT_SPEC (BTA_AG_FEAT_3WAY | BTA_AG_FEAT_ECNR | \ + BTA_AG_FEAT_VREC | BTA_AG_FEAT_INBAND | \ + BTA_AG_FEAT_VTAG) + +enum +{ + /* these events are handled by the state machine */ + BTA_AG_API_REGISTER_EVT = BTA_SYS_EVT_START(BTA_ID_AG), + BTA_AG_API_DEREGISTER_EVT, + BTA_AG_API_OPEN_EVT, + BTA_AG_API_CLOSE_EVT, + BTA_AG_API_AUDIO_OPEN_EVT, + BTA_AG_API_AUDIO_CLOSE_EVT, + BTA_AG_API_RESULT_EVT, + BTA_AG_API_SETCODEC_EVT, + BTA_AG_RFC_OPEN_EVT, + BTA_AG_RFC_CLOSE_EVT, + BTA_AG_RFC_SRV_CLOSE_EVT, + BTA_AG_RFC_DATA_EVT, + BTA_AG_SCO_OPEN_EVT, + BTA_AG_SCO_CLOSE_EVT, + BTA_AG_DISC_ACP_RES_EVT, + BTA_AG_DISC_INT_RES_EVT, + BTA_AG_DISC_OK_EVT, + BTA_AG_DISC_FAIL_EVT, + BTA_AG_CI_RX_WRITE_EVT, + BTA_AG_RING_TOUT_EVT, + BTA_AG_SVC_TOUT_EVT, + BTA_AG_CI_SCO_DATA_EVT, + BTA_AG_CI_SLC_READY_EVT, + BTA_AG_MAX_EVT, + + /* these events are handled outside of the state machine */ + BTA_AG_API_ENABLE_EVT, + BTA_AG_API_DISABLE_EVT +}; + +/* Actions to perform after a SCO event */ +enum +{ + BTA_AG_POST_SCO_NONE, /* no action */ + BTA_AG_POST_SCO_CLOSE_RFC, /* close RFCOMM channel after SCO closes */ + BTA_AG_POST_SCO_RING, /* send RING result code after SCO opens */ + BTA_AG_POST_SCO_CALL_CONN, /* send call indicators after SCO opens/closes */ + BTA_AG_POST_SCO_CALL_ORIG, /* send call indicators after SCO closes */ + BTA_AG_POST_SCO_CALL_END, /* send call indicators after SCO closes */ + BTA_AG_POST_SCO_CALL_END_INCALL /* send call indicators for end call & incoming call after SCO closes */ +}; + +/* sco states */ +enum +{ + BTA_AG_SCO_SHUTDOWN_ST, /* no sco listening, all sco connections closed */ + BTA_AG_SCO_LISTEN_ST, /* sco listening */ +#if (BTM_WBS_INCLUDED == TRUE ) + BTA_AG_SCO_CODEC_ST, /* sco codec negotiation */ +#endif + BTA_AG_SCO_OPENING_ST, /* sco connection opening */ + BTA_AG_SCO_OPEN_CL_ST, /* opening sco connection being closed */ + BTA_AG_SCO_OPEN_XFER_ST, /* opening sco connection being transferred */ + BTA_AG_SCO_OPEN_ST, /* sco open */ + BTA_AG_SCO_CLOSING_ST, /* sco closing */ + BTA_AG_SCO_CLOSE_OP_ST, /* closing sco being opened */ + BTA_AG_SCO_CLOSE_XFER_ST, /* closing sco being transferred */ + BTA_AG_SCO_SHUTTING_ST /* sco shutting down */ +}; + +/***************************************************************************** +** Data types +*****************************************************************************/ + +/* data type for BTA_AG_API_ENABLE_EVT */ +typedef struct +{ + BT_HDR hdr; + tBTA_AG_PARSE_MODE parse_mode; + tBTA_AG_CBACK *p_cback; +} tBTA_AG_API_ENABLE; + +/* data type for BTA_AG_API_REGISTER_EVT */ +typedef struct +{ + BT_HDR hdr; + char p_name[2][BTA_SERVICE_NAME_LEN+1]; + tBTA_SERVICE_MASK services; + tBTA_SEC sec_mask; + tBTA_AG_FEAT features; + UINT8 app_id; +} tBTA_AG_API_REGISTER; + +/* data type for BTA_AG_API_OPEN_EVT */ +typedef struct +{ + BT_HDR hdr; + BD_ADDR bd_addr; + tBTA_SERVICE_MASK services; + tBTA_SEC sec_mask; +} tBTA_AG_API_OPEN; + +/* data type for BTA_AG_API_RESULT_EVT */ +typedef struct +{ + BT_HDR hdr; + tBTA_AG_RES result; + tBTA_AG_RES_DATA data; +} tBTA_AG_API_RESULT; + +/* data type for BTA_AG_API_SETCODEC_EVT */ +typedef struct +{ + BT_HDR hdr; + tBTA_AG_PEER_CODEC codec; +} tBTA_AG_API_SETCODEC; + +/* data type for BTA_AG_DISC_RESULT_EVT */ +typedef struct +{ + BT_HDR hdr; + UINT16 status; +} tBTA_AG_DISC_RESULT; + +/* data type for RFCOMM events */ +typedef struct +{ + BT_HDR hdr; + UINT16 port_handle; +} tBTA_AG_RFC; + +/* data type for BTA_AG_CI_RX_WRITE_EVT */ +typedef struct +{ + BT_HDR hdr; +// char p_data[BTA_AG_MTU+1]; +} tBTA_AG_CI_RX_WRITE; + +/* union of all event datatypes */ +typedef union +{ + BT_HDR hdr; + tBTA_AG_API_ENABLE api_enable; + tBTA_AG_API_REGISTER api_register; + tBTA_AG_API_OPEN api_open; + tBTA_AG_API_RESULT api_result; +#if (BTM_WBS_INCLUDED == TRUE ) + tBTA_AG_API_SETCODEC api_setcodec; +#endif + tBTA_AG_DISC_RESULT disc_result; + tBTA_AG_RFC rfc; + tBTA_AG_CI_RX_WRITE ci_rx_write; +} tBTA_AG_DATA; + +/* type for each profile */ +typedef struct +{ + UINT32 sdp_handle; + UINT8 scn; +} tBTA_AG_PROFILE; + +/* type for each service control block */ +typedef struct +{ + char clip[BTA_AG_AT_MAX_LEN+1]; /* number string used for CLIP */ + UINT16 serv_handle[BTA_AG_NUM_IDX]; /* RFCOMM server handles */ + tBTA_AG_AT_CB at_cb; /* AT command interpreter */ + TIMER_LIST_ENT act_timer; /* ring timer */ + BD_ADDR peer_addr; /* peer bd address */ + tSDP_DISCOVERY_DB *p_disc_db; /* pointer to discovery database */ + tBTA_SERVICE_MASK reg_services; /* services specified in register API */ + tBTA_SERVICE_MASK open_services; /* services specified in open API */ + UINT16 conn_handle; /* RFCOMM handle of connected service */ + tBTA_SEC serv_sec_mask; /* server security mask */ + tBTA_SEC cli_sec_mask; /* client security mask */ + tBTA_AG_FEAT features; /* features registered by application */ + tBTA_AG_PEER_FEAT peer_features; /* peer device features */ + UINT16 peer_version; /* profile version of peer device */ + UINT16 hsp_version; /* HSP profile version */ +#if (BTM_WBS_INCLUDED == TRUE ) + tBTA_AG_PEER_CODEC peer_codecs; /* codecs for eSCO supported by the peer */ + tBTA_AG_PEER_CODEC sco_codec; /* codec to be used for eSCO connection */ + tBTA_AG_PEER_CODEC inuse_codec; /* codec being used for the current SCO connection */ + BOOLEAN codec_updated; /* set to TRUE whenever the app updates codec type */ + BOOLEAN codec_fallback; /* If sco nego fails for mSBC, fallback to CVSD */ + TIMER_LIST_ENT cn_timer; /* codec negotiation timer */ +#endif + UINT16 sco_idx; /* SCO handle */ + BOOLEAN in_use; /* scb in use */ + BOOLEAN dealloc; /* TRUE if service shutting down */ + BOOLEAN clip_enabled; /* set to TRUE if HF enables CLIP reporting */ + BOOLEAN ccwa_enabled; /* set to TRUE if HF enables CCWA reporting */ + BOOLEAN cmer_enabled; /* set to TRUE if HF enables CMER reporting */ + BOOLEAN cmee_enabled; /* set to TRUE if HF enables CME ERROR reporting */ + BOOLEAN inband_enabled; /* set to TRUE if inband ring enabled */ + BOOLEAN svc_conn; /* set to TRUE when service level connection up */ + TIMER_LIST_ENT colli_timer; /* Collision timer */ + BOOLEAN colli_tmr_on; /* TRUE if collision timer is active */ + UINT8 state; /* state machine state */ + UINT8 conn_service; /* connected service */ + UINT8 peer_scn; /* peer scn */ + UINT8 app_id; /* application id */ + UINT8 role; /* initiator/acceptor role */ + UINT8 post_sco; /* action to perform after sco event */ + UINT8 call_ind; /* CIEV call indicator value */ + UINT8 callsetup_ind; /* CIEV callsetup indicator value */ + UINT8 service_ind; /* CIEV service indicator value */ + UINT8 signal_ind; /* CIEV signal indicator value */ + UINT8 roam_ind; /* CIEV roam indicator value */ + UINT8 battchg_ind; /* CIEV battery charge indicator value */ + UINT8 callheld_ind; /* CIEV call held indicator value */ + BOOLEAN retry_with_sco_only; /* indicator to try with SCO only when eSCO fails */ + UINT32 bia_masked_out; /* indicators HF does not want us to send */ +} tBTA_AG_SCB; + +/* type for sco data */ +typedef struct +{ + tBTM_ESCO_CONN_REQ_EVT_DATA conn_data; /* SCO data for pending conn request */ + tBTA_AG_SCB *p_curr_scb; /* SCB associated with SCO connection */ + tBTA_AG_SCB *p_xfer_scb; /* SCB associated with SCO transfer */ + UINT16 cur_idx; /* SCO handle */ + UINT8 state; /* SCO state variable */ + BOOLEAN param_updated; /* if params were updated to non-default */ + tBTM_ESCO_PARAMS params; /* ESCO parameters */ +} tBTA_AG_SCO_CB; + + +/* type for AG control block */ +typedef struct +{ + tBTA_AG_SCB scb[BTA_AG_NUM_SCB]; /* service control blocks */ + tBTA_AG_PROFILE profile[BTA_AG_NUM_IDX]; /* profile-specific data */ + tBTA_AG_SCO_CB sco; /* SCO data */ + tBTA_AG_CBACK *p_cback; /* application callback */ + tBTA_AG_PARSE_MODE parse_mode; /* parse/pass-through mode */ +} tBTA_AG_CB; + +/***************************************************************************** +** Global data +*****************************************************************************/ + +/* constant lookup tables */ +extern const UINT16 bta_ag_uuid[BTA_AG_NUM_IDX]; +extern const UINT8 bta_ag_sec_id[BTA_AG_NUM_IDX]; +extern const tBTA_AG_AT_CMD *bta_ag_at_tbl[BTA_AG_NUM_IDX]; + +/* control block declaration */ +#if BTA_DYNAMIC_MEMORY == FALSE +extern tBTA_AG_CB bta_ag_cb; +#else +extern tBTA_AG_CB *bta_ag_cb_ptr; +#define bta_ag_cb (*bta_ag_cb_ptr) +#endif + +/* config struct */ +extern tBTA_AG_CFG *p_bta_ag_cfg; + +/***************************************************************************** +** Function prototypes +*****************************************************************************/ + +/* main functions */ +extern void bta_ag_scb_dealloc(tBTA_AG_SCB *p_scb); +extern UINT16 bta_ag_scb_to_idx(tBTA_AG_SCB *p_scb); +extern tBTA_AG_SCB *bta_ag_scb_by_idx(UINT16 idx); +extern UINT8 bta_ag_service_to_idx(tBTA_SERVICE_MASK services); +extern UINT16 bta_ag_idx_by_bdaddr(BD_ADDR peer_addr); +extern BOOLEAN bta_ag_other_scb_open(tBTA_AG_SCB *p_curr_scb); +extern tBTA_AG_SCB *bta_ag_get_other_idle_scb (tBTA_AG_SCB *p_curr_scb); +extern void bta_ag_sm_execute(tBTA_AG_SCB *p_scb, UINT16 event, tBTA_AG_DATA *p_data); +extern BOOLEAN bta_ag_hdl_event(BT_HDR *p_msg); +extern void bta_ag_collision_cback (tBTA_SYS_CONN_STATUS status, UINT8 id, + UINT8 app_id, BD_ADDR peer_addr); +extern void bta_ag_resume_open (tBTA_AG_SCB *p_scb); + +/* SDP functions */ +extern BOOLEAN bta_ag_add_record(UINT16 service_uuid, char *p_service_name, UINT8 scn, + tBTA_AG_FEAT features, UINT32 sdp_handle); +extern void bta_ag_create_records(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_del_records(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern BOOLEAN bta_ag_sdp_find_attr(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK service); +extern void bta_ag_do_disc(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK service); +extern void bta_ag_free_db(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); + +/* RFCOMM functions */ +extern void bta_ag_start_servers(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK services); +extern void bta_ag_close_servers(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK services); +extern BOOLEAN bta_ag_is_server_closed (tBTA_AG_SCB *p_scb); +extern void bta_ag_rfc_do_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_rfc_do_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); + +/* SCO functions */ +extern BOOLEAN bta_ag_sco_is_open(tBTA_AG_SCB *p_scb); +extern BOOLEAN bta_ag_sco_is_opening(tBTA_AG_SCB *p_scb); +extern void bta_ag_sco_conn_rsp(tBTA_AG_SCB *p_scb, tBTM_ESCO_CONN_REQ_EVT_DATA *p_data); + +/* AT command functions */ +extern void bta_ag_at_hsp_cback(tBTA_AG_SCB *p_scb, UINT16 cmd, UINT8 arg_type, + char *p_arg, INT16 int_arg); +extern void bta_ag_at_hfp_cback(tBTA_AG_SCB *p_scb, UINT16 cmd, UINT8 arg_type, + char *p_arg, INT16 int_arg); +extern void bta_ag_at_err_cback(tBTA_AG_SCB *p_scb, BOOLEAN unknown, char *p_arg); +extern BOOLEAN bta_ag_inband_enabled(tBTA_AG_SCB *p_scb); +extern void bta_ag_send_call_inds(tBTA_AG_SCB *p_scb, tBTA_AG_RES result); + +/* Action functions */ +extern void bta_ag_register(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_deregister(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_start_dereg(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_start_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_start_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_disc_int_res(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_disc_acp_res(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_disc_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_open_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_rfc_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_rfc_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_rfc_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_rfc_acp_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_rfc_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_sco_listen(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_sco_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_sco_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +#if (BTM_WBS_INCLUDED == TRUE ) +extern void bta_ag_sco_codec_nego(tBTA_AG_SCB *p_scb, BOOLEAN result); +extern void bta_ag_codec_negotiate (tBTA_AG_SCB *p_scb); +#endif +extern void bta_ag_sco_shutdown(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_sco_conn_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_sco_conn_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_post_sco_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_post_sco_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_svc_conn_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_result(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_setcodec(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +#if (BTM_WBS_INCLUDED == TRUE ) +extern void bta_ag_send_bcs(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +#endif +extern void bta_ag_send_ring(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_ci_sco_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_set_esco_param(BOOLEAN set_reset, tBTM_ESCO_PARAMS *param); +extern void bta_ag_ci_rx_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +extern void bta_ag_rcvd_slc_ready(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); +#endif /* BTA_AG_INT_H */ diff --git a/bta/ag/bta_ag_main.c b/bta/ag/bta_ag_main.c new file mode 100644 index 0000000..9b28067 --- /dev/null +++ b/bta/ag/bta_ag_main.c @@ -0,0 +1,1012 @@ +/****************************************************************************** + * + * Copyright (C) 2003-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This is the main implementation file for the BTA audio gateway. + * + ******************************************************************************/ + +#include <string.h> +#include "bta_api.h" +#include "bta_sys.h" +#include "bta_ag_co.h" +#include "bta_ag_int.h" +#include "bd.h" + +/***************************************************************************** +** Constants and types +*****************************************************************************/ +#ifndef BTA_AG_DEBUG +#define BTA_AG_DEBUG FALSE +#endif + +#if BTA_AG_DEBUG == TRUE +static char *bta_ag_evt_str(UINT16 event, tBTA_AG_RES result); +static char *bta_ag_state_str(UINT8 state); +#endif + +/* state machine states */ +enum +{ + BTA_AG_INIT_ST, + BTA_AG_OPENING_ST, + BTA_AG_OPEN_ST, + BTA_AG_CLOSING_ST +}; + +/* state machine action enumeration list */ +enum +{ + BTA_AG_REGISTER, + BTA_AG_DEREGISTER, + BTA_AG_START_OPEN, + BTA_AG_RFC_DO_OPEN, + BTA_AG_RFC_DO_CLOSE, + BTA_AG_START_DEREG, + BTA_AG_START_CLOSE, + BTA_AG_RFC_OPEN, + BTA_AG_OPEN_FAIL, + BTA_AG_RFC_ACP_OPEN, + BTA_AG_RFC_CLOSE, + BTA_AG_RFC_FAIL, + BTA_AG_RFC_DATA, + BTA_AG_DISC_INT_RES, + BTA_AG_DISC_FAIL, + BTA_AG_DISC_ACP_RES, + BTA_AG_FREE_DB, + BTA_AG_SCO_CONN_OPEN, + BTA_AG_SCO_CONN_CLOSE, + BTA_AG_SCO_LISTEN, + BTA_AG_SCO_OPEN, + BTA_AG_SCO_CLOSE, + BTA_AG_SCO_SHUTDOWN, + BTA_AG_POST_SCO_OPEN, + BTA_AG_POST_SCO_CLOSE, + BTA_AG_SVC_CONN_OPEN, + BTA_AG_RESULT, + BTA_AG_SETCODEC, + BTA_AG_SEND_RING, + BTA_AG_CI_SCO_DATA, + BTA_AG_CI_RX_DATA, + BTA_AG_RCVD_SLC_READY, + BTA_AG_NUM_ACTIONS +}; + +#define BTA_AG_IGNORE BTA_AG_NUM_ACTIONS + +/* type for action functions */ +typedef void (*tBTA_AG_ACTION)(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); + +/* action functions */ +const tBTA_AG_ACTION bta_ag_action[] = +{ + bta_ag_register, + bta_ag_deregister, + bta_ag_start_open, + bta_ag_rfc_do_open, + bta_ag_rfc_do_close, + bta_ag_start_dereg, + bta_ag_start_close, + bta_ag_rfc_open, + bta_ag_open_fail, + bta_ag_rfc_acp_open, + bta_ag_rfc_close, + bta_ag_rfc_fail, + bta_ag_rfc_data, + bta_ag_disc_int_res, + bta_ag_disc_fail, + bta_ag_disc_acp_res, + bta_ag_free_db, + bta_ag_sco_conn_open, + bta_ag_sco_conn_close, + bta_ag_sco_listen, + bta_ag_sco_open, + bta_ag_sco_close, + bta_ag_sco_shutdown, + bta_ag_post_sco_open, + bta_ag_post_sco_close, + bta_ag_svc_conn_open, + bta_ag_result, + bta_ag_setcodec, + bta_ag_send_ring, + bta_ag_ci_sco_data, + bta_ag_ci_rx_data, + bta_ag_rcvd_slc_ready +}; + +/* state table information */ +#define BTA_AG_ACTIONS 2 /* number of actions */ +#define BTA_AG_NEXT_STATE 2 /* position of next state */ +#define BTA_AG_NUM_COLS 3 /* number of columns in state tables */ + +/* state table for init state */ +const UINT8 bta_ag_st_init[][BTA_AG_NUM_COLS] = +{ +/* Event Action 1 Action 2 Next state */ +/* API_REGISTER_EVT */ {BTA_AG_REGISTER, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* API_DEREGISTER_EVT */ {BTA_AG_DEREGISTER, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* API_OPEN_EVT */ {BTA_AG_START_OPEN, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* API_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* API_AUDIO_OPEN_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* API_AUDIO_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* API_RESULT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* API_SETCODEC_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* RFC_OPEN_EVT */ {BTA_AG_RFC_ACP_OPEN, BTA_AG_SCO_LISTEN, BTA_AG_OPEN_ST}, +/* RFC_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* RFC_SRV_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* RFC_DATA_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* SCO_OPEN_EVT */ {BTA_AG_SCO_CONN_OPEN, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* SCO_CLOSE_EVT */ {BTA_AG_SCO_CONN_CLOSE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* DISC_ACP_RES_EVT */ {BTA_AG_FREE_DB, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* DISC_INT_RES_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* DISC_OK_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* DISC_FAIL_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* CI_RX_WRITE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* RING_TOUT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* SVC_TOUT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* CI_SCO_DATA_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* CI_SLC_READY_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_INIT_ST} +}; + +/* state table for opening state */ +const UINT8 bta_ag_st_opening[][BTA_AG_NUM_COLS] = +{ +/* Event Action 1 Action 2 Next state */ +/* API_REGISTER_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* API_DEREGISTER_EVT */ {BTA_AG_RFC_DO_CLOSE, BTA_AG_START_DEREG, BTA_AG_CLOSING_ST}, +/* API_OPEN_EVT */ {BTA_AG_OPEN_FAIL, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* API_CLOSE_EVT */ {BTA_AG_RFC_DO_CLOSE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* API_AUDIO_OPEN_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* API_AUDIO_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* API_RESULT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* API_SETCODEC_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* RFC_OPEN_EVT */ {BTA_AG_RFC_OPEN, BTA_AG_SCO_LISTEN, BTA_AG_OPEN_ST}, +/* RFC_CLOSE_EVT */ {BTA_AG_RFC_FAIL, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* RFC_SRV_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* RFC_DATA_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* SCO_OPEN_EVT */ {BTA_AG_SCO_CONN_OPEN, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* SCO_CLOSE_EVT */ {BTA_AG_SCO_CONN_CLOSE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* DISC_ACP_RES_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* DISC_INT_RES_EVT */ {BTA_AG_DISC_INT_RES, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* DISC_OK_EVT */ {BTA_AG_RFC_DO_OPEN, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* DISC_FAIL_EVT */ {BTA_AG_DISC_FAIL, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* CI_RX_WRITE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* RING_TOUT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* SVC_TOUT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* CI_SCO_DATA_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST}, +/* CI_SLC_READY_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPENING_ST} +}; + +/* state table for open state */ +const UINT8 bta_ag_st_open[][BTA_AG_NUM_COLS] = +{ +/* Event Action 1 Action 2 Next state */ +/* API_REGISTER_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* API_DEREGISTER_EVT */ {BTA_AG_START_CLOSE, BTA_AG_START_DEREG, BTA_AG_CLOSING_ST}, +/* API_OPEN_EVT */ {BTA_AG_OPEN_FAIL, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* API_CLOSE_EVT */ {BTA_AG_START_CLOSE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* API_AUDIO_OPEN_EVT */ {BTA_AG_SCO_OPEN, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* API_AUDIO_CLOSE_EVT */ {BTA_AG_SCO_CLOSE, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* API_RESULT_EVT */ {BTA_AG_RESULT, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* API_SETCODEC_EVT */ {BTA_AG_SETCODEC, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* RFC_OPEN_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* RFC_CLOSE_EVT */ {BTA_AG_RFC_CLOSE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* RFC_SRV_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* RFC_DATA_EVT */ {BTA_AG_RFC_DATA, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* SCO_OPEN_EVT */ {BTA_AG_SCO_CONN_OPEN, BTA_AG_POST_SCO_OPEN, BTA_AG_OPEN_ST}, +/* SCO_CLOSE_EVT */ {BTA_AG_SCO_CONN_CLOSE, BTA_AG_POST_SCO_CLOSE, BTA_AG_OPEN_ST}, +/* DISC_ACP_RES_EVT */ {BTA_AG_DISC_ACP_RES, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* DISC_INT_RES_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* DISC_OK_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* DISC_FAIL_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* CI_RX_WRITE_EVT */ {BTA_AG_CI_RX_DATA, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* RING_TOUT_EVT */ {BTA_AG_SEND_RING, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* SVC_TOUT_EVT */ {BTA_AG_START_CLOSE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* CI_SCO_DATA_EVT */ {BTA_AG_CI_SCO_DATA, BTA_AG_IGNORE, BTA_AG_OPEN_ST}, +/* CI_SLC_READY_EVT */ {BTA_AG_RCVD_SLC_READY, BTA_AG_IGNORE, BTA_AG_OPEN_ST} +}; + +/* state table for closing state */ +const UINT8 bta_ag_st_closing[][BTA_AG_NUM_COLS] = +{ +/* Event Action 1 Action 2 Next state */ +/* API_REGISTER_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* API_DEREGISTER_EVT */ {BTA_AG_START_DEREG, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* API_OPEN_EVT */ {BTA_AG_OPEN_FAIL, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* API_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* API_AUDIO_OPEN_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* API_AUDIO_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* API_RESULT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* API_SETCODEC_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* RFC_OPEN_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* RFC_CLOSE_EVT */ {BTA_AG_RFC_CLOSE, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* RFC_SRV_CLOSE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* RFC_DATA_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* SCO_OPEN_EVT */ {BTA_AG_SCO_CONN_OPEN, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* SCO_CLOSE_EVT */ {BTA_AG_SCO_CONN_CLOSE, BTA_AG_POST_SCO_CLOSE, BTA_AG_CLOSING_ST}, +/* DISC_ACP_RES_EVT */ {BTA_AG_FREE_DB, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* DISC_INT_RES_EVT */ {BTA_AG_FREE_DB, BTA_AG_IGNORE, BTA_AG_INIT_ST}, +/* DISC_OK_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* DISC_FAIL_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* CI_RX_WRITE_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* RING_TOUT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* SVC_TOUT_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* CI_SCO_DATA_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST}, +/* CI_SLC_READY_EVT */ {BTA_AG_IGNORE, BTA_AG_IGNORE, BTA_AG_CLOSING_ST} +}; + +/* type for state table */ +typedef const UINT8 (*tBTA_AG_ST_TBL)[BTA_AG_NUM_COLS]; + +/* state table */ +const tBTA_AG_ST_TBL bta_ag_st_tbl[] = +{ + bta_ag_st_init, + bta_ag_st_opening, + bta_ag_st_open, + bta_ag_st_closing +}; + +/***************************************************************************** +** Global data +*****************************************************************************/ + +/* AG control block */ +#if BTA_DYNAMIC_MEMORY == FALSE +tBTA_AG_CB bta_ag_cb; +#endif + +/******************************************************************************* +** +** Function bta_ag_timer_cback +** +** Description AG timer callback. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_timer_cback(void *p) +{ + BT_HDR *p_buf; + TIMER_LIST_ENT *p_tle = (TIMER_LIST_ENT *) p; + + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + p_buf->event = p_tle->event; + p_buf->layer_specific = bta_ag_scb_to_idx((tBTA_AG_SCB *) p_tle->param); + bta_sys_sendmsg(p_buf); + } +} + +/******************************************************************************* +** +** Function bta_ag_scb_alloc +** +** Description Allocate an AG service control block. +** +** +** Returns pointer to the scb, or NULL if none could be allocated. +** +*******************************************************************************/ +static tBTA_AG_SCB *bta_ag_scb_alloc(void) +{ + tBTA_AG_SCB *p_scb = &bta_ag_cb.scb[0]; + int i; + + for (i = 0; i < BTA_AG_NUM_SCB; i++, p_scb++) + { + if (!p_scb->in_use) + { + /* initialize variables */ + p_scb->in_use = TRUE; + p_scb->sco_idx = BTM_INVALID_SCO_INDEX; + + /* set up timers */ + p_scb->act_timer.param = (UINT32) p_scb; + p_scb->act_timer.p_cback = bta_ag_timer_cback; + + APPL_TRACE_DEBUG1("bta_ag_scb_alloc %d", bta_ag_scb_to_idx(p_scb)); + break; + } + } + + if (i == BTA_AG_NUM_SCB) + { + /* out of scbs */ + p_scb = NULL; + APPL_TRACE_WARNING0("Out of ag scbs"); + } + return p_scb; +} + +/******************************************************************************* +** +** Function bta_ag_scb_dealloc +** +** Description Deallocate a service control block. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_scb_dealloc(tBTA_AG_SCB *p_scb) +{ + UINT8 idx; + BOOLEAN allocated = FALSE; + + APPL_TRACE_DEBUG1("bta_ag_scb_dealloc %d", bta_ag_scb_to_idx(p_scb)); + + /* stop timers */ + bta_sys_stop_timer(&p_scb->act_timer); +#if (BTM_WBS_INCLUDED == TRUE) + bta_sys_stop_timer(&p_scb->cn_timer); +#endif + + /* initialize control block */ + memset(p_scb, 0, sizeof(tBTA_AG_SCB)); + p_scb->sco_idx = BTM_INVALID_SCO_INDEX; + + /* If all scbs are deallocated, callback with disable event */ + if (!bta_sys_is_register (BTA_ID_AG)) + { + for (idx = 0; idx < BTA_AG_NUM_SCB; idx++) + { + if (bta_ag_cb.scb[idx].in_use) + { + allocated = TRUE; + break; + } + } + + if (!allocated) + { + (*bta_ag_cb.p_cback)(BTA_AG_DISABLE_EVT, NULL); + } + } + +} + +/******************************************************************************* +** +** Function bta_ag_scb_to_idx +** +** Description Given a pointer to an scb, return its index. +** +** +** Returns Index of scb. +** +*******************************************************************************/ +UINT16 bta_ag_scb_to_idx(tBTA_AG_SCB *p_scb) +{ + /* use array arithmetic to determine index */ + return ((UINT16) (p_scb - bta_ag_cb.scb)) + 1; +} + +/******************************************************************************* +** +** Function bta_ag_scb_by_idx +** +** Description Given an scb index return pointer to scb. +** +** +** Returns Pointer to scb or NULL if not allocated. +** +*******************************************************************************/ +tBTA_AG_SCB *bta_ag_scb_by_idx(UINT16 idx) +{ + tBTA_AG_SCB *p_scb; + + /* verify index */ + if (idx > 0 && idx <= BTA_AG_NUM_SCB) + { + p_scb = &bta_ag_cb.scb[idx - 1]; + if (!p_scb->in_use) + { + p_scb = NULL; + APPL_TRACE_WARNING1("ag scb idx %d not allocated", idx); + } + } + else + { + p_scb = NULL; + APPL_TRACE_DEBUG1("ag scb idx %d out of range", idx); + } + return p_scb; +} + +/******************************************************************************* +** +** Function bta_ag_service_to_idx +** +** Description Given a BTA service mask convert to profile index. +** +** +** Returns Profile ndex of scb. +** +*******************************************************************************/ +UINT8 bta_ag_service_to_idx(tBTA_SERVICE_MASK services) +{ + if (services & BTA_HFP_SERVICE_MASK) + { + return BTA_AG_HFP; + } + else + { + return BTA_AG_HSP; + } +} + +/******************************************************************************* +** +** Function bta_ag_idx_by_bdaddr +** +** Description Find SCB associated with peer BD address. +** +** +** Returns Index of SCB or zero if none found. +** +*******************************************************************************/ +UINT16 bta_ag_idx_by_bdaddr(BD_ADDR peer_addr) +{ + tBTA_AG_SCB *p_scb = &bta_ag_cb.scb[0]; + UINT16 i; + + if (peer_addr != NULL) + { + for (i = 0; i < BTA_AG_NUM_SCB; i++, p_scb++) + { + if (p_scb->in_use && !bdcmp(peer_addr, p_scb->peer_addr)) + { + return (i + 1); + } + } + } + + /* no scb found */ + APPL_TRACE_WARNING0("No ag scb for peer addr"); + return 0; +} + +/******************************************************************************* +** +** Function bta_ag_other_scb_open +** +** Description Check whether any other scb is in open state. +** +** +** Returns TRUE if another scb is in open state, FALSE otherwise. +** +*******************************************************************************/ +BOOLEAN bta_ag_other_scb_open(tBTA_AG_SCB *p_curr_scb) +{ + tBTA_AG_SCB *p_scb = &bta_ag_cb.scb[0]; + int i; + + for (i = 0; i < BTA_AG_NUM_SCB; i++, p_scb++) + { + if (p_scb->in_use && p_scb != p_curr_scb && p_scb->state == BTA_AG_OPEN_ST) + { + return TRUE; + } + } + + /* no other scb found */ + APPL_TRACE_DEBUG0("No other ag scb open"); + return FALSE; +} + +/******************************************************************************* +** +** Function bta_ag_get_other_idle_scb +** +** Description Return other scb if it is in INIT st. +** +** +** Returns Pointer to other scb if INIT st, NULL otherwise. +** +*******************************************************************************/ +tBTA_AG_SCB *bta_ag_get_other_idle_scb (tBTA_AG_SCB *p_curr_scb) +{ + tBTA_AG_SCB *p_scb = &bta_ag_cb.scb[0]; + UINT8 xx; + + for (xx = 0; xx < BTA_AG_NUM_SCB; xx++, p_scb++) + { + if (p_scb->in_use && (p_scb != p_curr_scb) && (p_scb->state == BTA_AG_INIT_ST)) + { + return p_scb; + } + } + + /* no other scb found */ + APPL_TRACE_DEBUG0("bta_ag_get_other_idle_scb: No idle AG scb"); + return NULL; +} + +/******************************************************************************* +** +** Function bta_ag_colli_timer_cback +** +** Description AG connection collision timer callback +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_colli_timer_cback (TIMER_LIST_ENT *p_tle) +{ + tBTA_AG_SCB *p_scb; + + APPL_TRACE_DEBUG0 ("bta_ag_colli_timer_cback"); + + if (p_tle) + { + p_scb = (tBTA_AG_SCB *)p_tle->param; + + if (p_scb) + { + p_scb->colli_tmr_on = FALSE; + + /* If the peer haven't opened AG connection */ + /* we will restart opening process. */ + bta_ag_resume_open (p_scb); + } + } +} + +/******************************************************************************* +** +** Function bta_ag_collision_cback +** +** Description Get notified about collision. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_collision_cback (tBTA_SYS_CONN_STATUS status, UINT8 id, + UINT8 app_id, BD_ADDR peer_addr) +{ + UINT16 handle; + tBTA_AG_SCB *p_scb; + + /* Check if we have opening scb for the peer device. */ + handle = bta_ag_idx_by_bdaddr (peer_addr); + p_scb = bta_ag_scb_by_idx (handle); + + if (p_scb && (p_scb->state == BTA_AG_OPENING_ST)) + { + if (id == BTA_ID_SYS) /* ACL collision */ + { + APPL_TRACE_WARNING0 ("AG found collision (ACL) ..."); + } + else if (id == BTA_ID_AG) /* RFCOMM collision */ + { + APPL_TRACE_WARNING0 ("AG found collision (RFCOMM) ..."); + } + else + { + APPL_TRACE_WARNING0 ("AG found collision (\?\?\?) ..."); + } + + p_scb->state = BTA_AG_INIT_ST; + + /* Cancel SDP if it had been started. */ + if(p_scb->p_disc_db) + { + (void)SDP_CancelServiceSearch (p_scb->p_disc_db); + bta_ag_free_db(p_scb, NULL); + } + + /* reopen registered servers */ + /* Collision may be detected before or after we close servers. */ + if (bta_ag_is_server_closed (p_scb)) + bta_ag_start_servers(p_scb, p_scb->reg_services); + + /* Start timer to han */ + p_scb->colli_timer.p_cback = (TIMER_CBACK*)&bta_ag_colli_timer_cback; + p_scb->colli_timer.param = (INT32)p_scb; + bta_sys_start_timer(&p_scb->colli_timer, 0, BTA_AG_COLLISION_TIMER); + p_scb->colli_tmr_on = TRUE; + } + +} + +/******************************************************************************* +** +** Function bta_ag_resume_open +** +** Description Resume opening process. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_resume_open (tBTA_AG_SCB *p_scb) +{ + if (p_scb) + { + APPL_TRACE_DEBUG1 ("bta_ag_resume_open, Handle(%d)", bta_ag_scb_to_idx(p_scb)); + + /* resume opening process. */ + if (p_scb->state == BTA_AG_INIT_ST) + { + p_scb->state = BTA_AG_OPENING_ST; + bta_ag_start_open (p_scb, NULL); + } + } + else + { + APPL_TRACE_ERROR0 ("bta_ag_resume_open, Null p_scb"); + } +} + +/******************************************************************************* +** +** Function bta_ag_api_enable +** +** Description Handle an API enable event. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_api_enable(tBTA_AG_DATA *p_data) +{ + /* initialize control block */ + memset(&bta_ag_cb, 0, sizeof(tBTA_AG_CB)); + + /* store callback function */ + bta_ag_cb.p_cback = p_data->api_enable.p_cback; + bta_ag_cb.parse_mode = p_data->api_enable.parse_mode; + + /* call init call-out */ + bta_ag_co_init(); + + bta_sys_collision_register (BTA_ID_AG, bta_ag_collision_cback); + + /* call callback with enable event */ + (*bta_ag_cb.p_cback)(BTA_AG_ENABLE_EVT, NULL); +} + +/******************************************************************************* +** +** Function bta_ag_api_disable +** +** Description Handle an API disable event. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_api_disable(tBTA_AG_DATA *p_data) +{ + /* deregister all scbs in use */ + tBTA_AG_SCB *p_scb = &bta_ag_cb.scb[0]; + BOOLEAN do_dereg = FALSE; + int i; + + if (!bta_sys_is_register (BTA_ID_AG)) + { + APPL_TRACE_ERROR0("BTA AG is already disabled, ignoring ..."); + return; + } + + /* De-register with BTA system manager */ + GKI_sched_lock(); + bta_sys_deregister(BTA_ID_AG); + GKI_sched_unlock(); + + for (i = 0; i < BTA_AG_NUM_SCB; i++, p_scb++) + { + if (p_scb->in_use) + { + bta_ag_sm_execute(p_scb, BTA_AG_API_DEREGISTER_EVT, p_data); + do_dereg = TRUE; + } + } + + if (!do_dereg) + { + /* Done, send callback evt to app */ + (*bta_ag_cb.p_cback)(BTA_AG_DISABLE_EVT, NULL); + } + + bta_sys_collision_register (BTA_ID_AG, NULL); +} + +/******************************************************************************* +** +** Function bta_ag_api_register +** +** Description Handle an API event registers a new service. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_api_register(tBTA_AG_DATA *p_data) +{ + tBTA_AG_SCB *p_scb; + tBTA_AG_REGISTER reg; + + /* allocate an scb */ + if ((p_scb = bta_ag_scb_alloc()) != NULL) + { + bta_ag_sm_execute(p_scb, p_data->hdr.event, p_data); + } + else + { + reg.status = BTA_AG_FAIL_RESOURCES; + (*bta_ag_cb.p_cback)(BTA_AG_REGISTER_EVT, (tBTA_AG *) ®); + } +} + +/******************************************************************************* +** +** Function bta_ag_api_result +** +** Description Handle an API result event. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_api_result(tBTA_AG_DATA *p_data) +{ + tBTA_AG_SCB *p_scb; + int i; + + if (p_data->hdr.layer_specific != BTA_AG_HANDLE_ALL) + { + if ((p_scb = bta_ag_scb_by_idx(p_data->hdr.layer_specific)) != NULL) + { + bta_ag_sm_execute(p_scb, BTA_AG_API_RESULT_EVT, p_data); + } + } + else + { + for (i = 0, p_scb = &bta_ag_cb.scb[0]; i < BTA_AG_NUM_SCB; i++, p_scb++) + { + if (p_scb->in_use) + { + bta_ag_sm_execute(p_scb, BTA_AG_API_RESULT_EVT, p_data); + } + } + } +} + +/******************************************************************************* +** +** Function bta_ag_sm_execute +** +** Description State machine event handling function for AG +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_sm_execute(tBTA_AG_SCB *p_scb, UINT16 event, tBTA_AG_DATA *p_data) +{ + tBTA_AG_ST_TBL state_table; + UINT8 action; + int i; + +#if BTA_AG_DEBUG == TRUE + UINT16 in_event = event; + UINT8 in_state = p_scb->state; + + /* Ignore displaying of AT results when not connected (Ignored in state machine) */ + if (in_event != BTA_AG_API_RESULT_EVT || p_scb->state == BTA_AG_OPEN_ST) + { + APPL_TRACE_EVENT5("AG evt (hdl 0x%04x): State %d (%s), Event 0x%04x (%s)", + bta_ag_scb_to_idx(p_scb), + p_scb->state, bta_ag_state_str(p_scb->state), + event, bta_ag_evt_str(event, p_data->api_result.result)); + } +#else + APPL_TRACE_EVENT3("AG evt (hdl 0x%04x): State %d, Event 0x%04x", + bta_ag_scb_to_idx(p_scb), p_scb->state, event); +#endif + + event &= 0x00FF; + if (event >= (BTA_AG_MAX_EVT & 0x00FF)) + { + APPL_TRACE_ERROR0("AG evt out of range, ignoring..."); + return; + } + + /* look up the state table for the current state */ + state_table = bta_ag_st_tbl[p_scb->state]; + + /* set next state */ + p_scb->state = state_table[event][BTA_AG_NEXT_STATE]; + + /* execute action functions */ + for (i = 0; i < BTA_AG_ACTIONS; i++) + { + if ((action = state_table[event][i]) != BTA_AG_IGNORE) + { + (*bta_ag_action[action])(p_scb, p_data); + } + else + { + break; + } + } +#if BTA_AG_DEBUG == TRUE + if (p_scb->state != in_state) + { + APPL_TRACE_EVENT3("BTA AG State Change: [%s] -> [%s] after Event [%s]", + bta_ag_state_str(in_state), + bta_ag_state_str(p_scb->state), + bta_ag_evt_str(in_event, p_data->api_result.result)); + } +#endif +} + +/******************************************************************************* +** +** Function bta_ag_hdl_event +** +** Description Data gateway main event handling function. +** +** +** Returns BOOLEAN +** +*******************************************************************************/ +BOOLEAN bta_ag_hdl_event(BT_HDR *p_msg) +{ + tBTA_AG_SCB *p_scb; + + switch (p_msg->event) + { + /* handle enable event */ + case BTA_AG_API_ENABLE_EVT: + bta_ag_api_enable((tBTA_AG_DATA *) p_msg); + break; + + /* handle disable event */ + case BTA_AG_API_DISABLE_EVT: + bta_ag_api_disable((tBTA_AG_DATA *) p_msg); + break; + + /* handle register event */ + case BTA_AG_API_REGISTER_EVT: + bta_ag_api_register((tBTA_AG_DATA *) p_msg); + break; + + /* handle result event */ + case BTA_AG_API_RESULT_EVT: + bta_ag_api_result((tBTA_AG_DATA *) p_msg); + break; + + /* all others reference scb by handle */ + default: + if ((p_scb = bta_ag_scb_by_idx(p_msg->layer_specific)) != NULL) + { + bta_ag_sm_execute(p_scb, p_msg->event, (tBTA_AG_DATA *) p_msg); + } + break; + } + return TRUE; +} + +#if BTA_AG_DEBUG == TRUE +static char *bta_ag_evt_str(UINT16 event, tBTA_AG_RES result) +{ + switch (event) + { + case BTA_AG_API_REGISTER_EVT: + return "Register Request"; + case BTA_AG_API_DEREGISTER_EVT: + return "Deregister Request"; + case BTA_AG_API_OPEN_EVT: + return "Open SLC Request"; + case BTA_AG_API_CLOSE_EVT: + return "Close SLC Request"; + case BTA_AG_API_AUDIO_OPEN_EVT: + return "Open Audio Request"; + case BTA_AG_API_AUDIO_CLOSE_EVT: + return "Close Audio Request"; + case BTA_AG_API_RESULT_EVT: + switch (result) + { + case BTA_AG_SPK_RES: return ("AT Result BTA_AG_SPK_RES"); + case BTA_AG_MIC_RES: return ("AT Result BTA_AG_MIC_RES"); + case BTA_AG_INBAND_RING_RES: return ("AT Result BTA_AG_INBAND_RING_RES"); + case BTA_AG_CIND_RES: return ("AT Result BTA_AG_CIND_RES"); + case BTA_AG_BINP_RES: return ("AT Result BTA_AG_BINP_RES"); + case BTA_AG_IND_RES: return ("AT Result BTA_AG_IND_RES"); + case BTA_AG_BVRA_RES: return ("AT Result BTA_AG_BVRA_RES"); + case BTA_AG_CNUM_RES: return ("AT Result BTA_AG_CNUM_RES"); + case BTA_AG_BTRH_RES: return ("AT Result BTA_AG_BTRH_RES"); + case BTA_AG_CLCC_RES: return ("AT Result BTA_AG_CLCC_RES"); + case BTA_AG_COPS_RES: return ("AT Result BTA_AG_COPS_RES"); + case BTA_AG_IN_CALL_RES: return ("AT Result BTA_AG_IN_CALL_RES"); + case BTA_AG_IN_CALL_CONN_RES: return ("AT Result BTA_AG_IN_CALL_CONN_RES"); + case BTA_AG_CALL_WAIT_RES: return ("AT Result BTA_AG_CALL_WAIT_RES"); + case BTA_AG_OUT_CALL_ORIG_RES: return ("AT Result BTA_AG_OUT_CALL_ORIG_RES"); + case BTA_AG_OUT_CALL_ALERT_RES: return ("AT Result BTA_AG_OUT_CALL_ALERT_RES"); + case BTA_AG_OUT_CALL_CONN_RES: return ("AT Result BTA_AG_OUT_CALL_CONN_RES"); + case BTA_AG_CALL_CANCEL_RES: return ("AT Result BTA_AG_CALL_CANCEL_RES"); + case BTA_AG_END_CALL_RES: return ("AT Result BTA_AG_END_CALL_RES"); + case BTA_AG_UNAT_RES: return ("AT Result BTA_AG_UNAT_RES"); + default: return ("Unknown AG Result"); + } + case BTA_AG_API_SETCODEC_EVT: + return "Set Codec Request"; + case BTA_AG_RFC_OPEN_EVT: + return "RFC Opened"; + case BTA_AG_RFC_CLOSE_EVT: + return "RFC Closed"; + case BTA_AG_RFC_SRV_CLOSE_EVT: + return "RFC SRV Closed"; + case BTA_AG_RFC_DATA_EVT: + return "RFC Data"; + case BTA_AG_SCO_OPEN_EVT: + return "Audio Opened"; + case BTA_AG_SCO_CLOSE_EVT: + return "Audio Closed"; + case BTA_AG_DISC_ACP_RES_EVT: + return "Discovery ACP Result"; + case BTA_AG_DISC_INT_RES_EVT: + return "Discovery INT Result"; + case BTA_AG_DISC_OK_EVT: + return "Discovery OK"; + case BTA_AG_DISC_FAIL_EVT: + return "Discovery Failed"; + case BTA_AG_CI_RX_WRITE_EVT: + return "CI RX Write"; + case BTA_AG_RING_TOUT_EVT: + return "Ring Timeout"; + case BTA_AG_SVC_TOUT_EVT: + return "Service Timeout"; + case BTA_AG_API_ENABLE_EVT: + return "Enable AG"; + case BTA_AG_API_DISABLE_EVT: + return "Disable AG"; + case BTA_AG_CI_SCO_DATA_EVT: + return "SCO data Callin"; + case BTA_AG_CI_SLC_READY_EVT: + return "SLC Ready Callin"; + default: + return "Unknown AG Event"; + } +} + +static char *bta_ag_state_str(UINT8 state) +{ + switch (state) + { + case BTA_AG_INIT_ST: + return "Initial"; + case BTA_AG_OPENING_ST: + return "Opening"; + case BTA_AG_OPEN_ST: + return "Open"; + case BTA_AG_CLOSING_ST: + return "Closing"; + default: + return "Unknown AG State"; + } +} + +#endif diff --git a/bta/ag/bta_ag_rfc.c b/bta/ag/bta_ag_rfc.c new file mode 100644 index 0000000..3575020 --- /dev/null +++ b/bta/ag/bta_ag_rfc.c @@ -0,0 +1,441 @@ +/****************************************************************************** + * + * Copyright (C) 2004-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This file contains the audio gateway functions controlling the RFCOMM + * connections. + * + ******************************************************************************/ + +#include <string.h> +#include "bta_api.h" +#include "bta_sys.h" +#include "bta_ag_api.h" +#include "bta_ag_int.h" +#include "bta_ag_co.h" +#include "btm_api.h" +#include "port_api.h" +#include "rfcdefs.h" +#include "gki.h" +#include "bd.h" + +/* Event mask for RfCOMM port callback */ +#define BTA_AG_PORT_EV_MASK PORT_EV_RXCHAR + +/* each scb has its own rfcomm callbacks */ +void bta_ag_port_cback_1(UINT32 code, UINT16 port_handle); +void bta_ag_port_cback_2(UINT32 code, UINT16 port_handle); +void bta_ag_port_cback_3(UINT32 code, UINT16 port_handle); + +void bta_ag_mgmt_cback_1(UINT32 code, UINT16 port_handle); +void bta_ag_mgmt_cback_2(UINT32 code, UINT16 port_handle); +void bta_ag_mgmt_cback_3(UINT32 code, UINT16 port_handle); + +int bta_ag_data_cback_1(UINT16 port_handle, void *p_data, UINT16 len); +int bta_ag_data_cback_2(UINT16 port_handle, void *p_data, UINT16 len); +int bta_ag_data_cback_3(UINT16 port_handle, void *p_data, UINT16 len); + +/* rfcomm callback function tables */ +typedef tPORT_CALLBACK *tBTA_AG_PORT_CBACK; +const tBTA_AG_PORT_CBACK bta_ag_port_cback_tbl[] = +{ + bta_ag_port_cback_1, + bta_ag_port_cback_2, + bta_ag_port_cback_3 +}; + +const tBTA_AG_PORT_CBACK bta_ag_mgmt_cback_tbl[] = +{ + bta_ag_mgmt_cback_1, + bta_ag_mgmt_cback_2, + bta_ag_mgmt_cback_3 +}; + +typedef tPORT_DATA_CALLBACK *tBTA_AG_DATA_CBACK; +const tBTA_AG_DATA_CBACK bta_ag_data_cback_tbl[] = +{ + bta_ag_data_cback_1, + bta_ag_data_cback_2, + bta_ag_data_cback_3 +}; + +/******************************************************************************* +** +** Function bta_ag_port_cback +** +** Description RFCOMM Port callback +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_port_cback(UINT32 code, UINT16 port_handle, UINT16 handle) +{ + BT_HDR *p_buf; + tBTA_AG_SCB *p_scb; + + if ((p_scb = bta_ag_scb_by_idx(handle)) != NULL) + { + /* ignore port events for port handles other than connected handle */ + if (port_handle != p_scb->conn_handle) + { + APPL_TRACE_DEBUG3("ag_port_cback ignoring handle:%d conn_handle = %d other handle = %d", + port_handle, p_scb->conn_handle, handle); + return; + } + + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + p_buf->event = BTA_AG_RFC_DATA_EVT; + p_buf->layer_specific = handle; + bta_sys_sendmsg(p_buf); + } + } +} + +/******************************************************************************* +** +** Function bta_ag_mgmt_cback +** +** Description RFCOMM management callback +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_mgmt_cback(UINT32 code, UINT16 port_handle, UINT16 handle) +{ + tBTA_AG_RFC *p_buf; + tBTA_AG_SCB *p_scb; + UINT16 event; + UINT8 i; + BOOLEAN found_handle = FALSE; + + APPL_TRACE_DEBUG3("ag_mgmt_cback : code = %d, port_handle = %d, handle = %d", + code, port_handle, handle); + + if ((p_scb = bta_ag_scb_by_idx(handle)) != NULL) + { + /* ignore close event for port handles other than connected handle */ + if ((code != PORT_SUCCESS) && (port_handle != p_scb->conn_handle)) + { + APPL_TRACE_DEBUG1("ag_mgmt_cback ignoring handle:%d", port_handle); + return; + } + + if (code == PORT_SUCCESS) + { + if (p_scb->conn_handle) /* Outgoing connection */ + { + if (port_handle == p_scb->conn_handle) + found_handle = TRUE; + } + else /* Incoming connection */ + { + for (i = 0; i < BTA_AG_NUM_IDX; i++) + { + if (port_handle == p_scb->serv_handle[i]) + found_handle = TRUE; + } + } + + if (!found_handle) + { + APPL_TRACE_ERROR1 ("bta_ag_mgmt_cback: PORT_SUCCESS, ignoring handle = %d", port_handle); + return; + } + + event = BTA_AG_RFC_OPEN_EVT; + } + /* distinguish server close events */ + else if (port_handle == p_scb->conn_handle) + { + event = BTA_AG_RFC_CLOSE_EVT; + } + else + { + event = BTA_AG_RFC_SRV_CLOSE_EVT; + } + + if ((p_buf = (tBTA_AG_RFC *) GKI_getbuf(sizeof(tBTA_AG_RFC))) != NULL) + { + p_buf->hdr.event = event; + p_buf->hdr.layer_specific = handle; + p_buf->port_handle = port_handle; + bta_sys_sendmsg(p_buf); + } + } +} + +/******************************************************************************* +** +** Function bta_ag_data_cback +** +** Description RFCOMM data callback +** +** +** Returns void +** +*******************************************************************************/ +static int bta_ag_data_cback(UINT16 port_handle, void *p_data, UINT16 len, UINT16 handle) +{ + /* call data call-out directly */ + bta_ag_co_tx_write(handle, (UINT8 *) p_data, len); + return 0; +} + +/******************************************************************************* +** +** Function bta_ag_port_cback_1 to 3 +** bta_ag_mgmt_cback_1 to 3 +** +** Description RFCOMM callback functions. This is an easy way to +** distinguish scb from the callback. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_mgmt_cback_1(UINT32 code, UINT16 handle) {bta_ag_mgmt_cback(code, handle, 1);} +void bta_ag_mgmt_cback_2(UINT32 code, UINT16 handle) {bta_ag_mgmt_cback(code, handle, 2);} +void bta_ag_mgmt_cback_3(UINT32 code, UINT16 handle) {bta_ag_mgmt_cback(code, handle, 3);} +void bta_ag_port_cback_1(UINT32 code, UINT16 handle) {bta_ag_port_cback(code, handle, 1);} +void bta_ag_port_cback_2(UINT32 code, UINT16 handle) {bta_ag_port_cback(code, handle, 2);} +void bta_ag_port_cback_3(UINT32 code, UINT16 handle) {bta_ag_port_cback(code, handle, 3);} + +/******************************************************************************* +** +** Function bta_ag_data_cback_1 to 3 +** +** Description RFCOMM data callback functions. This is an easy way to +** distinguish scb from the callback. +** +** +** Returns void +** +*******************************************************************************/ +int bta_ag_data_cback_1(UINT16 port_handle, void *p_data, UINT16 len) +{ + return bta_ag_data_cback(port_handle, p_data, len, 1); +} +int bta_ag_data_cback_2(UINT16 port_handle, void *p_data, UINT16 len) +{ + return bta_ag_data_cback(port_handle, p_data, len, 2); +} +int bta_ag_data_cback_3(UINT16 port_handle, void *p_data, UINT16 len) +{ + return bta_ag_data_cback(port_handle, p_data, len, 3); +} + +/******************************************************************************* +** +** Function bta_ag_setup_port +** +** Description Setup RFCOMM port for use by AG. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_setup_port(tBTA_AG_SCB *p_scb, UINT16 handle) +{ + UINT16 i = bta_ag_scb_to_idx(p_scb) - 1; + + /* set up data callback if using pass through mode */ + if (bta_ag_cb.parse_mode == BTA_AG_PASS_THROUGH) + { + PORT_SetDataCallback(handle, bta_ag_data_cback_tbl[i]); + } + + PORT_SetEventMask(handle, BTA_AG_PORT_EV_MASK); + PORT_SetEventCallback(handle, bta_ag_port_cback_tbl[i]); +} + +/******************************************************************************* +** +** Function bta_ag_start_servers +** +** Description Setup RFCOMM servers for use by AG. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_start_servers(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK services) +{ + int i; + int bta_ag_port_status; + + services >>= BTA_HSP_SERVICE_ID; + for (i = 0; i < BTA_AG_NUM_IDX && services != 0; i++, services >>= 1) + { + /* if service is set in mask */ + if (services & 1) + { + BTM_SetSecurityLevel(FALSE, "", bta_ag_sec_id[i], p_scb->serv_sec_mask, + BT_PSM_RFCOMM, BTM_SEC_PROTO_RFCOMM, bta_ag_cb.profile[i].scn); + + bta_ag_port_status = RFCOMM_CreateConnection(bta_ag_uuid[i], bta_ag_cb.profile[i].scn, + TRUE, BTA_AG_MTU, (UINT8 *) bd_addr_any, &(p_scb->serv_handle[i]), + bta_ag_mgmt_cback_tbl[bta_ag_scb_to_idx(p_scb) - 1]); + + if( bta_ag_port_status == PORT_SUCCESS ) + { + bta_ag_setup_port(p_scb, p_scb->serv_handle[i]); + } + else + { + /* TODO: CR#137125 to handle to error properly */ + APPL_TRACE_DEBUG1("bta_ag_start_servers: RFCOMM_CreateConnection returned error:%d", bta_ag_port_status); + } + } + } +} + +/******************************************************************************* +** +** Function bta_ag_close_servers +** +** Description Close RFCOMM servers port for use by AG. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_close_servers(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK services) +{ + int i; + + services >>= BTA_HSP_SERVICE_ID; + for (i = 0; i < BTA_AG_NUM_IDX && services != 0; i++, services >>= 1) + { + /* if service is set in mask */ + if (services & 1) + { + RFCOMM_RemoveServer(p_scb->serv_handle[i]); + p_scb->serv_handle[i] = 0; + } + } +} + +/******************************************************************************* +** +** Function bta_ag_is_server_closed +** +** Description Returns TRUE if all servers are closed. +** +** +** Returns TRUE if all servers are closed, FALSE otherwise +** +*******************************************************************************/ +BOOLEAN bta_ag_is_server_closed (tBTA_AG_SCB *p_scb) +{ + UINT8 xx; + BOOLEAN is_closed = TRUE; + + for (xx = 0; xx < BTA_AG_NUM_IDX; xx++) + { + if (p_scb->serv_handle[xx] != 0) + is_closed = FALSE; + } + + return is_closed; +} + +/******************************************************************************* +** +** Function bta_ag_rfc_do_open +** +** Description Open an RFCOMM connection to the peer device. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_rfc_do_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + BTM_SetSecurityLevel(TRUE, "", bta_ag_sec_id[p_scb->conn_service], + p_scb->cli_sec_mask, BT_PSM_RFCOMM, BTM_SEC_PROTO_RFCOMM, p_scb->peer_scn); + + if (RFCOMM_CreateConnection(bta_ag_uuid[p_scb->conn_service], p_scb->peer_scn, + FALSE, BTA_AG_MTU, p_scb->peer_addr, &(p_scb->conn_handle), + bta_ag_mgmt_cback_tbl[bta_ag_scb_to_idx(p_scb) - 1]) == PORT_SUCCESS) + { + bta_ag_setup_port(p_scb, p_scb->conn_handle); + APPL_TRACE_DEBUG1("bta_ag_rfc_do_open : conn_handle = %d", p_scb->conn_handle); + } + /* RFCOMM create connection failed; send ourselves RFCOMM close event */ + else + { + bta_ag_sm_execute(p_scb, BTA_AG_RFC_CLOSE_EVT, p_data); + } +} + +/******************************************************************************* +** +** Function bta_ag_rfc_do_close +** +** Description Close RFCOMM connection. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_rfc_do_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + tBTA_AG_RFC *p_buf; + + if (p_scb->conn_handle) + { + RFCOMM_RemoveConnection(p_scb->conn_handle); + } + else + { + /* Close API was called while AG is in Opening state. */ + /* Need to trigger the state machine to send callback to the app */ + /* and move back to INIT state. */ + if ((p_buf = (tBTA_AG_RFC *) GKI_getbuf(sizeof(tBTA_AG_RFC))) != NULL) + { + p_buf->hdr.event = BTA_AG_RFC_CLOSE_EVT; + p_buf->hdr.layer_specific = bta_ag_scb_to_idx(p_scb); + bta_sys_sendmsg(p_buf); + } + + /* Cancel SDP if it had been started. */ + /* + if(p_scb->p_disc_db) + { + (void)SDP_CancelServiceSearch (p_scb->p_disc_db); + } + */ + } + +#ifdef _WIN32_WCE + { + /* Windows versions of RFCOMM does NOT generate a closed callback when we close */ + tPORT_CALLBACK *rfc_mgmt_cback = bta_ag_mgmt_cback_tbl[bta_ag_scb_to_idx(p_scb) - 1]; + + if (rfc_mgmt_cback) + { + (rfc_mgmt_cback)(PORT_CLOSED, p_scb->conn_handle); + } + } +#endif +} + diff --git a/bta/ag/bta_ag_sco.c b/bta/ag/bta_ag_sco.c new file mode 100644 index 0000000..0c811b4 --- /dev/null +++ b/bta/ag/bta_ag_sco.c @@ -0,0 +1,1662 @@ +/****************************************************************************** + * + * Copyright (C) 2004-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This file contains functions for managing the SCO connection used in AG. + * + ******************************************************************************/ + +#include "bta_api.h" +#include "bta_ag_api.h" +#include "bta_ag_co.h" +#if (BTM_SCO_HCI_INCLUDED == TRUE ) +#include "bta_dm_co.h" +#endif +#include "bta_ag_int.h" +#include "btm_api.h" +#include "gki.h" + +#ifndef BTA_AG_SCO_DEBUG +#define BTA_AG_SCO_DEBUG FALSE +#endif + +#ifndef BTA_AG_CODEC_NEGO_TIMEOUT +#define BTA_AG_CODEC_NEGO_TIMEOUT 3000 +#endif + +#if BTA_AG_SCO_DEBUG == TRUE +static char *bta_ag_sco_evt_str(UINT8 event); +static char *bta_ag_sco_state_str(UINT8 state); +#endif + +#define BTA_AG_NO_EDR_ESCO (BTM_SCO_PKT_TYPES_MASK_NO_2_EV3 | \ + BTM_SCO_PKT_TYPES_MASK_NO_3_EV3 | \ + BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 | \ + BTM_SCO_PKT_TYPES_MASK_NO_3_EV5) + +/* sco events */ +enum +{ + BTA_AG_SCO_LISTEN_E, /* listen request */ + BTA_AG_SCO_OPEN_E, /* open request */ + BTA_AG_SCO_XFER_E, /* transfer request */ +#if (BTM_WBS_INCLUDED == TRUE ) + BTA_AG_SCO_CN_DONE_E, /* codec negotiation done */ + BTA_AG_SCO_REOPEN_E, /* Retry with other codec when failed */ +#endif + BTA_AG_SCO_CLOSE_E, /* close request */ + BTA_AG_SCO_SHUTDOWN_E, /* shutdown request */ + BTA_AG_SCO_CONN_OPEN_E, /* sco open */ + BTA_AG_SCO_CONN_CLOSE_E, /* sco closed */ + BTA_AG_SCO_CI_DATA_E /* SCO data ready */ +}; + +#if (BTM_WBS_INCLUDED == TRUE ) +#define BTA_AG_NUM_CODECS 2 +static const tBTM_ESCO_PARAMS bta_ag_esco_params[BTA_AG_NUM_CODECS] = +{ + /* CVSD */ + { + BTM_64KBITS_RATE, /* TX Bandwidth (64 kbits/sec) */ + BTM_64KBITS_RATE, /* RX Bandwidth (64 kbits/sec) */ + 0x000a, /* 10 ms (HS/HF can use EV3, 2-EV3, 3-EV3) */ + BTM_VOICE_SETTING_CVSD, /* Inp Linear, Air CVSD, 2s Comp, 16bit */ + (BTM_SCO_PKT_TYPES_MASK_HV1 + /* Packet Types */ + BTM_SCO_PKT_TYPES_MASK_HV2 + + BTM_SCO_PKT_TYPES_MASK_HV3 + + BTM_SCO_PKT_TYPES_MASK_EV3 + + BTM_SCO_PKT_TYPES_MASK_EV4 + + BTM_SCO_PKT_TYPES_MASK_EV5 + + BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 + + BTM_SCO_PKT_TYPES_MASK_NO_3_EV5), + BTM_ESCO_RETRANS_POWER /* Retransmission effort */ + }, + /* mSBC */ + { + BTM_64KBITS_RATE, /* TX Bandwidth (64 kbits/sec), 8000 */ + BTM_64KBITS_RATE, /* RX Bandwidth (64 kbits/sec), 8000 */ + 13, /* 13 ms */ + BTM_VOICE_SETTING_TRANS, /* Inp Linear, Transparent, 2s Comp, 16bit */ + (BTM_SCO_PKT_TYPES_MASK_EV3 | /* Packet Types : EV3 + 2-EV3 */ + BTM_SCO_PKT_TYPES_MASK_NO_3_EV3 | + BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 | + BTM_SCO_PKT_TYPES_MASK_NO_3_EV5), + BTM_ESCO_RETRANS_QUALITY /* Retransmission effort */ + } +}; +#else +static const tBTM_ESCO_PARAMS bta_ag_esco_params = +{ + BTM_64KBITS_RATE, /* TX Bandwidth (64 kbits/sec) */ + BTM_64KBITS_RATE, /* RX Bandwidth (64 kbits/sec) */ + 0x000a, /* 10 ms (HS/HF can use EV3, 2-EV3, 3-EV3) */ + 0x0060, /* Inp Linear, Air CVSD, 2s Comp, 16bit */ + (BTM_SCO_PKT_TYPES_MASK_HV1 + /* Packet Types */ + BTM_SCO_PKT_TYPES_MASK_HV2 + + BTM_SCO_PKT_TYPES_MASK_HV3 + + BTM_SCO_PKT_TYPES_MASK_EV3 + + BTM_SCO_PKT_TYPES_MASK_EV4 + + BTM_SCO_PKT_TYPES_MASK_EV5 + + BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 + + BTM_SCO_PKT_TYPES_MASK_NO_3_EV5), + BTM_ESCO_RETRANS_POWER /* Retransmission effort */ +}; +#endif + +/******************************************************************************* +** +** Function bta_ag_sco_conn_cback +** +** Description BTM SCO connection callback. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_sco_conn_cback(UINT16 sco_idx) +{ + UINT16 handle; + BT_HDR *p_buf; + tBTA_AG_SCB *p_scb; + + /* match callback to scb; first check current sco scb */ + if (bta_ag_cb.sco.p_curr_scb != NULL && bta_ag_cb.sco.p_curr_scb->in_use) + { + handle = bta_ag_scb_to_idx(bta_ag_cb.sco.p_curr_scb); + } + /* then check for scb connected to this peer */ + else + { + /* Check if SLC is up */ + handle = bta_ag_idx_by_bdaddr(BTM_ReadScoBdAddr(sco_idx)); + p_scb = bta_ag_scb_by_idx(handle); + if(p_scb && !p_scb->svc_conn) + handle = 0; + } + + if (handle != 0) + { + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + p_buf->event = BTA_AG_SCO_OPEN_EVT; + p_buf->layer_specific = handle; + bta_sys_sendmsg(p_buf); + } + } + /* no match found; disconnect sco, init sco variables */ + else + { + bta_ag_cb.sco.p_curr_scb = NULL; + bta_ag_cb.sco.state = BTA_AG_SCO_SHUTDOWN_ST; + BTM_RemoveSco(sco_idx); + } +} + +/******************************************************************************* +** +** Function bta_ag_sco_disc_cback +** +** Description BTM SCO disconnection callback. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_sco_disc_cback(UINT16 sco_idx) +{ + BT_HDR *p_buf; + UINT16 handle = 0; + + APPL_TRACE_DEBUG3 ("bta_ag_sco_disc_cback(): sco_idx: 0x%x p_cur_scb: 0x%08x sco.state: %d", sco_idx, bta_ag_cb.sco.p_curr_scb, bta_ag_cb.sco.state); + + APPL_TRACE_DEBUG4 ("bta_ag_sco_disc_cback(): scb[0] addr: 0x%08x in_use: %u sco_idx: 0x%x sco state: %u", + &bta_ag_cb.scb[0], bta_ag_cb.scb[0].in_use, bta_ag_cb.scb[0].sco_idx, bta_ag_cb.scb[0].state); + APPL_TRACE_DEBUG4 ("bta_ag_sco_disc_cback(): scb[1] addr: 0x%08x in_use: %u sco_idx: 0x%x sco state: %u", + &bta_ag_cb.scb[1], bta_ag_cb.scb[1].in_use, bta_ag_cb.scb[1].sco_idx, bta_ag_cb.scb[1].state); + + /* match callback to scb */ + if (bta_ag_cb.sco.p_curr_scb != NULL && bta_ag_cb.sco.p_curr_scb->in_use) + { + /* We only care about callbacks for the active SCO */ + if (bta_ag_cb.sco.p_curr_scb->sco_idx != sco_idx) + { + if (bta_ag_cb.sco.p_curr_scb->sco_idx != 0xFFFF) + return; + } + handle = bta_ag_scb_to_idx(bta_ag_cb.sco.p_curr_scb); + } + + if (handle != 0) + { +#if (BTM_SCO_HCI_INCLUDED == TRUE ) + tBTM_STATUS status = BTM_ConfigScoPath(BTM_SCO_ROUTE_PCM, NULL, NULL, TRUE); + APPL_TRACE_DEBUG1("bta_ag_sco_disc_cback sco close config status = %d", status); + /* SCO clean up here */ + bta_dm_sco_co_close(); +#endif + +#if (BTM_WBS_INCLUDED == TRUE ) + /* Restore settings */ + if(bta_ag_cb.sco.p_curr_scb->inuse_codec == BTA_AG_CODEC_MSBC) + { + BTM_SetWBSCodec (BTM_SCO_CODEC_NONE); + BTM_WriteVoiceSettings (BTM_VOICE_SETTING_CVSD); + + /* If SCO open was initiated by AG and failed for mSBC, try CVSD again. */ + if (bta_ag_sco_is_opening (bta_ag_cb.sco.p_curr_scb)) + { + bta_ag_cb.sco.p_curr_scb->codec_fallback = TRUE; + APPL_TRACE_DEBUG0("Fallback to CVSD"); + } + } + + bta_ag_cb.sco.p_curr_scb->inuse_codec = BTA_AG_CODEC_NONE; +#endif + + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + p_buf->event = BTA_AG_SCO_CLOSE_EVT; + p_buf->layer_specific = handle; + bta_sys_sendmsg(p_buf); + } + } + /* no match found */ + else + { + APPL_TRACE_DEBUG0("no scb for ag_sco_disc_cback"); + + /* sco could be closed after scb dealloc'ed */ + if (bta_ag_cb.sco.p_curr_scb != NULL) + { + bta_ag_cb.sco.p_curr_scb->sco_idx = BTM_INVALID_SCO_INDEX; + bta_ag_cb.sco.p_curr_scb = NULL; + bta_ag_cb.sco.state = BTA_AG_SCO_SHUTDOWN_ST; + } + } +} +#if (BTM_SCO_HCI_INCLUDED == TRUE ) +/******************************************************************************* +** +** Function bta_ag_sco_read_cback +** +** Description Callback function is the callback function for incoming +** SCO data over HCI. +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_sco_read_cback (UINT16 sco_inx, BT_HDR *p_data, tBTM_SCO_DATA_FLAG status) +{ + if (status != BTM_SCO_DATA_CORRECT) + { + APPL_TRACE_DEBUG1("bta_ag_sco_read_cback: status(%d)", status); + } + + /* Callout function must free the data. */ + bta_dm_sco_co_in_data (p_data, status); +} +#endif +/******************************************************************************* +** +** Function bta_ag_remove_sco +** +** Description Removes the specified SCO from the system. +** If only_active is TRUE, then SCO is only removed if connected +** +** Returns BOOLEAN - TRUE if Sco removal was started +** +*******************************************************************************/ +static BOOLEAN bta_ag_remove_sco(tBTA_AG_SCB *p_scb, BOOLEAN only_active) +{ + BOOLEAN removed_started = FALSE; + tBTM_STATUS status; + + if (p_scb->sco_idx != BTM_INVALID_SCO_INDEX) + { + if (!only_active || p_scb->sco_idx == bta_ag_cb.sco.cur_idx) + { + status = BTM_RemoveSco(p_scb->sco_idx); + + APPL_TRACE_DEBUG2("ag remove sco: inx 0x%04x, status:0x%x", p_scb->sco_idx, status); + + if (status == BTM_CMD_STARTED) + { + /* Sco is connected; set current control block */ + bta_ag_cb.sco.p_curr_scb = p_scb; + + removed_started = TRUE; + } + /* If no connection reset the sco handle */ + else if ( (status == BTM_SUCCESS) || (status == BTM_UNKNOWN_ADDR) ) + { + p_scb->sco_idx = BTM_INVALID_SCO_INDEX; + } + } + } + return removed_started; +} + + +/******************************************************************************* +** +** Function bta_ag_esco_connreq_cback +** +** Description BTM eSCO connection requests and eSCO change requests +** Only the connection requests are processed by BTA. +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_esco_connreq_cback(tBTM_ESCO_EVT event, tBTM_ESCO_EVT_DATA *p_data) +{ + tBTA_AG_SCB *p_scb; + UINT16 handle; + UINT16 sco_inx = p_data->conn_evt.sco_inx; + + /* Only process connection requests */ + if (event == BTM_ESCO_CONN_REQ_EVT) + { + if ((handle = bta_ag_idx_by_bdaddr(BTM_ReadScoBdAddr(sco_inx))) != 0 && + ((p_scb = bta_ag_scb_by_idx(handle)) != NULL) && p_scb->svc_conn) + { + p_scb->sco_idx = sco_inx; + + /* If no other SCO active, allow this one */ + if (!bta_ag_cb.sco.p_curr_scb) + { + APPL_TRACE_EVENT1("bta_ag_esco_connreq_cback: Accept Conn Request (sco_inx 0x%04x)", sco_inx); + bta_ag_sco_conn_rsp(p_scb, &p_data->conn_evt); + + bta_ag_cb.sco.state = BTA_AG_SCO_OPENING_ST; + bta_ag_cb.sco.p_curr_scb = p_scb; + bta_ag_cb.sco.cur_idx = p_scb->sco_idx; + } + else /* Begin a transfer: Close current SCO before responding */ + { + APPL_TRACE_DEBUG0("bta_ag_esco_connreq_cback: Begin XFER"); + bta_ag_cb.sco.p_xfer_scb = p_scb; + bta_ag_cb.sco.conn_data = p_data->conn_evt; + bta_ag_cb.sco.state = BTA_AG_SCO_OPEN_XFER_ST; + + if (!bta_ag_remove_sco(bta_ag_cb.sco.p_curr_scb, TRUE)) + { + APPL_TRACE_ERROR1("bta_ag_esco_connreq_cback: Nothing to remove so accept Conn Request (sco_inx 0x%04x)", sco_inx); + bta_ag_cb.sco.p_xfer_scb = NULL; + bta_ag_cb.sco.state = BTA_AG_SCO_LISTEN_ST; + + bta_ag_sco_conn_rsp(p_scb, &p_data->conn_evt); + } + } + } + /* If error occurred send reject response immediately */ + else + { + APPL_TRACE_WARNING0("no scb for bta_ag_esco_connreq_cback or no resources"); + BTM_EScoConnRsp(p_data->conn_evt.sco_inx, HCI_ERR_HOST_REJECT_RESOURCES, NULL); + } + } + /* Received a change in the esco link */ + else if (event == BTM_ESCO_CHG_EVT) + { + APPL_TRACE_EVENT5("eSCO change event (inx %d): rtrans %d, rxlen %d, txlen %d, txint %d", + p_data->chg_evt.sco_inx, + p_data->chg_evt.retrans_window, p_data->chg_evt.rx_pkt_len, + p_data->chg_evt.tx_pkt_len, p_data->chg_evt.tx_interval); + } +} + +/******************************************************************************* +** +** Function bta_ag_cback_sco +** +** Description Call application callback function with SCO event. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_cback_sco(tBTA_AG_SCB *p_scb, UINT8 event) +{ + tBTA_AG_HDR sco; + + sco.handle = bta_ag_scb_to_idx(p_scb); + sco.app_id = p_scb->app_id; + + /* call close cback */ + (*bta_ag_cb.p_cback)(event, (tBTA_AG *) &sco); +} + +/******************************************************************************* +** +** Function bta_ag_create_sco +** +** Description +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_create_sco(tBTA_AG_SCB *p_scb, BOOLEAN is_orig) +{ + tBTM_STATUS status; + UINT8 *p_bd_addr = NULL; + tBTM_ESCO_PARAMS params; +#if (BTM_WBS_INCLUDED == TRUE ) + tBTA_AG_PEER_CODEC esco_codec = BTM_SCO_CODEC_CVSD; + int codec_index = 0; +#endif +#if (BTM_SCO_HCI_INCLUDED == TRUE ) + tBTM_SCO_ROUTE_TYPE sco_route; + tBTA_CODEC_INFO codec_info = {BTA_SCO_CODEC_PCM}; + UINT32 pcm_sample_rate; +#endif + + /* Make sure this sco handle is not already in use */ + if (p_scb->sco_idx != BTM_INVALID_SCO_INDEX) + { + APPL_TRACE_WARNING1("bta_ag_create_sco: Index 0x%04x Already In Use!", + p_scb->sco_idx); + return; + } + +#if (BTM_WBS_INCLUDED == TRUE ) + if ((p_scb->sco_codec == BTM_SCO_CODEC_MSBC) && + !p_scb->codec_fallback && + !p_scb->retry_with_sco_only) + esco_codec = BTM_SCO_CODEC_MSBC; + + if (p_scb->codec_fallback) + { + p_scb->codec_fallback = FALSE; + + /* Force AG to send +BCS for the next audio connection. */ + p_scb->codec_updated = TRUE; + } + + if (esco_codec == BTM_SCO_CODEC_MSBC) + codec_index = esco_codec - 1; + + params = bta_ag_esco_params[codec_index]; +#else + params = bta_ag_esco_params; +#endif + + if(bta_ag_cb.sco.param_updated) /* If we do not use the default parameters */ + params = bta_ag_cb.sco.params; + + if(!bta_ag_cb.sco.param_updated) + { +#if (BTM_WBS_INCLUDED == TRUE) + if (!codec_index) /* For non-WBS */ +#endif + { + /* Use the application packet types (5 slot EV packets not allowed) */ + params.packet_types = p_bta_ag_cfg->sco_pkt_types | + BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 | + BTM_SCO_PKT_TYPES_MASK_NO_3_EV5; + } + } + + /* if initiating set current scb and peer bd addr */ + if (is_orig) + { + /* Attempt to use eSCO if remote host supports HFP >= 1.5 */ + /* Need to find out from SIG if HSP can use eSCO; for now use SCO */ + if (p_scb->conn_service == BTA_AG_HFP && p_scb->peer_version >= HFP_VERSION_1_5 && !p_scb->retry_with_sco_only) + { + + BTM_SetEScoMode(BTM_LINK_TYPE_ESCO, ¶ms); + /* If ESCO or EDR ESCO, retry with SCO only in case of failure */ + if((params.packet_types & BTM_ESCO_LINK_ONLY_MASK) + ||!((params.packet_types & ~(BTM_ESCO_LINK_ONLY_MASK | BTM_SCO_LINK_ONLY_MASK)) ^ BTA_AG_NO_EDR_ESCO)) + { +#if (BTM_WBS_INCLUDED == TRUE ) + if (esco_codec != BTA_AG_CODEC_MSBC) + { + p_scb->retry_with_sco_only = TRUE; + APPL_TRACE_API0("Setting retry_with_sco_only to TRUE"); + } + else /* Do not use SCO when using mSBC */ + { + p_scb->retry_with_sco_only = FALSE; + APPL_TRACE_API0("Setting retry_with_sco_only to FALSE"); + } +#else + p_scb->retry_with_sco_only = TRUE; + APPL_TRACE_API0("Setting retry_with_sco_only to TRUE"); +#endif + } + } + else + { + if(p_scb->retry_with_sco_only) + APPL_TRACE_API0("retrying with SCO only"); + p_scb->retry_with_sco_only = FALSE; + + BTM_SetEScoMode(BTM_LINK_TYPE_SCO, ¶ms); + } + + bta_ag_cb.sco.p_curr_scb = p_scb; + + /* tell sys to stop av if any */ + bta_sys_sco_use(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); + + /* Allow any platform specific pre-SCO set up to take place */ + bta_ag_co_audio_state(bta_ag_scb_to_idx(p_scb), p_scb->app_id, BTA_AG_CO_AUD_STATE_SETUP); + +#if (BTM_SCO_HCI_INCLUDED == TRUE ) +#if (BTM_WBS_INCLUDED == TRUE) + if (esco_codec == BTA_AG_CODEC_MSBC) + pcm_sample_rate = BTA_DM_SCO_SAMP_RATE_16K; + else +#endif + pcm_sample_rate = BTA_DM_SCO_SAMP_RATE_8K; + + sco_route = bta_dm_sco_co_init(pcm_sample_rate, pcm_sample_rate, &codec_info, p_scb->app_id); +#endif + +#if (BTM_WBS_INCLUDED == TRUE ) + if (esco_codec == BTA_AG_CODEC_MSBC) + { + /* Enable mSBC codec in fw */ + BTM_SetWBSCodec (esco_codec); + } + + /* Specify PCM input for SBC codec in fw */ + BTM_ConfigI2SPCM (esco_codec, (UINT8)HCI_BRCM_I2SPCM_IS_DEFAULT_ROLE, (UINT8)HCI_BRCM_I2SPCM_SAMPLE_DEFAULT, (UINT8)HCI_BRCM_I2SPCM_CLOCK_DEFAULT); + + /* This setting may not be necessary */ + /* To be verified with stable 2049 boards */ + if (esco_codec == BTA_AG_CODEC_MSBC) + BTM_WriteVoiceSettings (BTM_VOICE_SETTING_TRANS); + else + BTM_WriteVoiceSettings (BTM_VOICE_SETTING_CVSD); + + /* save the current codec because sco_codec can be updated while SCO is open. */ + p_scb->inuse_codec = esco_codec; +#endif + +#if (BTM_SCO_HCI_INCLUDED == TRUE ) + /* initialize SCO setup, no voice setting for AG, data rate <==> sample rate */ + BTM_ConfigScoPath(sco_route, bta_ag_sco_read_cback, NULL, TRUE); +#endif + bta_ag_cb.sco.cur_idx = p_scb->sco_idx; + } + else + p_scb->retry_with_sco_only = FALSE; + + p_bd_addr = p_scb->peer_addr; + + status = BTM_CreateSco(p_bd_addr, is_orig, params.packet_types, + &p_scb->sco_idx, bta_ag_sco_conn_cback, + bta_ag_sco_disc_cback); + if (status == BTM_CMD_STARTED) + { + if (!is_orig) + { + BTM_RegForEScoEvts(p_scb->sco_idx, bta_ag_esco_connreq_cback); + } + else /* Initiating the connection, set the current sco handle */ + { + bta_ag_cb.sco.cur_idx = p_scb->sco_idx; + } + } + + APPL_TRACE_API4("ag create sco: orig %d, inx 0x%04x, status 0x%x, pkt types 0x%04x", + is_orig, p_scb->sco_idx, status, params.packet_types); +} + +#if (BTM_WBS_INCLUDED == TRUE ) +/******************************************************************************* +** +** Function bta_ag_cn_timer_cback +** +** Description +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_cn_timer_cback (TIMER_LIST_ENT *p_tle) +{ + tBTA_AG_SCB *p_scb; + + if (p_tle) + { + p_scb = (tBTA_AG_SCB *)p_tle->param; + + if (p_scb) + { + /* Announce that codec negotiation failed. */ + bta_ag_sco_codec_nego(p_scb, FALSE); + + /* call app callback */ + bta_ag_cback_sco(p_scb, BTA_AG_AUDIO_CLOSE_EVT); + } + } +} + +/******************************************************************************* +** +** Function bta_ag_codec_negotiate +** +** Description Initiate codec negotiation by sending AT command. +** If not necessary, skip negotiation. +** +** Returns void +** +*******************************************************************************/ +void bta_ag_codec_negotiate(tBTA_AG_SCB *p_scb) +{ + bta_ag_cb.sco.p_curr_scb = p_scb; + + if (p_scb->codec_updated || p_scb->codec_fallback) + { + /* Change the power mode to Active until sco open is completed. */ + bta_sys_busy(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); + + /* Send +BCS to the peer */ + bta_ag_send_bcs(p_scb, NULL); + + /* Start timer to handle timeout */ + p_scb->cn_timer.p_cback = (TIMER_CBACK*)&bta_ag_cn_timer_cback; + p_scb->cn_timer.param = (INT32)p_scb; + bta_sys_start_timer(&p_scb->cn_timer, 0, BTA_AG_CODEC_NEGO_TIMEOUT); + } + else + { + /* use same codec type as previous SCO connection, skip codec negotiation */ + bta_ag_sco_codec_nego(p_scb, TRUE); + } +} +#endif + +/******************************************************************************* +** +** Function bta_ag_sco_event +** +** Description +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_sco_event(tBTA_AG_SCB *p_scb, UINT8 event) +{ + tBTA_AG_SCO_CB *p_sco = &bta_ag_cb.sco; +#if (BTM_WBS_INCLUDED == TRUE ) + tBTA_AG_SCB *p_cn_scb = NULL; /* For codec negotiation */ +#endif +#if (BTM_SCO_HCI_INCLUDED == TRUE ) + BT_HDR *p_buf; +#endif +#if BTA_AG_SCO_DEBUG == TRUE + UINT8 in_state = p_sco->state; + + APPL_TRACE_EVENT5("BTA ag sco evt (hdl 0x%04x): State %d (%s), Event %d (%s)", + p_scb->sco_idx, + p_sco->state, bta_ag_sco_state_str(p_sco->state), + event, bta_ag_sco_evt_str(event)); +#else + APPL_TRACE_EVENT3("BTA ag sco evt (hdl 0x%04x): State %d, Event %d", + p_scb->sco_idx, p_sco->state, event); +#endif + +#if (BTM_SCO_HCI_INCLUDED == TRUE ) + if (event == BTA_AG_SCO_CI_DATA_E) + { + while (TRUE) + { + bta_dm_sco_co_out_data(&p_buf); + if (p_buf) + { + if (p_sco->state == BTA_AG_SCO_OPEN_ST) + BTM_WriteScoData(p_sco->p_curr_scb->sco_idx, p_buf); + else + GKI_freebuf(p_buf); + } + else + break; + } + + return; + } +#endif + + switch (p_sco->state) + { + case BTA_AG_SCO_SHUTDOWN_ST: + switch (event) + { + case BTA_AG_SCO_LISTEN_E: + /* create sco listen connection */ + bta_ag_create_sco(p_scb, FALSE); + p_sco->state = BTA_AG_SCO_LISTEN_ST; + break; + + default: + APPL_TRACE_WARNING1("BTA_AG_SCO_SHUTDOWN_ST: Ignoring event %d", event); + break; + } + break; + + case BTA_AG_SCO_LISTEN_ST: + switch (event) + { + case BTA_AG_SCO_LISTEN_E: + /* create sco listen connection (Additional channel) */ + bta_ag_create_sco(p_scb, FALSE); + break; + + case BTA_AG_SCO_OPEN_E: + /* remove listening connection */ + bta_ag_remove_sco(p_scb, FALSE); + +#if (BTM_WBS_INCLUDED == TRUE ) + /* start codec negotiation */ + p_sco->state = BTA_AG_SCO_CODEC_ST; + p_cn_scb = p_scb; +#else + /* create sco connection to peer */ + bta_ag_create_sco(p_scb, TRUE); + p_sco->state = BTA_AG_SCO_OPENING_ST; +#endif + break; + + case BTA_AG_SCO_SHUTDOWN_E: + /* remove listening connection */ + bta_ag_remove_sco(p_scb, FALSE); + + if (p_scb == p_sco->p_curr_scb) + p_sco->p_curr_scb = NULL; + + /* If last SCO instance then finish shutting down */ + if (!bta_ag_other_scb_open(p_scb)) + { + p_sco->state = BTA_AG_SCO_SHUTDOWN_ST; + } + break; + + case BTA_AG_SCO_CLOSE_E: + /* remove listening connection */ + /* Ignore the event. We need to keep listening SCO for the active SLC */ + APPL_TRACE_WARNING1("BTA_AG_SCO_LISTEN_ST: Ignoring event %d", event); + break; + + case BTA_AG_SCO_CONN_CLOSE_E: + /* sco failed; create sco listen connection */ + bta_ag_create_sco(p_scb, FALSE); + p_sco->state = BTA_AG_SCO_LISTEN_ST; + break; + + default: + APPL_TRACE_WARNING1("BTA_AG_SCO_LISTEN_ST: Ignoring event %d", event); + break; + } + break; + +#if (BTM_WBS_INCLUDED == TRUE ) + case BTA_AG_SCO_CODEC_ST: + switch (event) + { + case BTA_AG_SCO_LISTEN_E: + /* create sco listen connection (Additional channel) */ + bta_ag_create_sco(p_scb, FALSE); + break; + + case BTA_AG_SCO_CN_DONE_E: + /* create sco connection to peer */ + bta_ag_create_sco(p_scb, TRUE); + p_sco->state = BTA_AG_SCO_OPENING_ST; + break; + + case BTA_AG_SCO_XFER_E: + /* save xfer scb */ + p_sco->p_xfer_scb = p_scb; + p_sco->state = BTA_AG_SCO_CLOSE_XFER_ST; + break; + + case BTA_AG_SCO_SHUTDOWN_E: + /* remove listening connection */ + bta_ag_remove_sco(p_scb, FALSE); + + if (p_scb == p_sco->p_curr_scb) + p_sco->p_curr_scb = NULL; + + /* If last SCO instance then finish shutting down */ + if (!bta_ag_other_scb_open(p_scb)) + { + p_sco->state = BTA_AG_SCO_SHUTDOWN_ST; + } + break; + + case BTA_AG_SCO_CLOSE_E: + /* sco open is not started yet. just go back to listening */ + p_sco->state = BTA_AG_SCO_LISTEN_ST; + break; + + case BTA_AG_SCO_CONN_CLOSE_E: + /* sco failed; create sco listen connection */ + bta_ag_create_sco(p_scb, FALSE); + p_sco->state = BTA_AG_SCO_LISTEN_ST; + break; + + default: + APPL_TRACE_WARNING1("BTA_AG_SCO_CODEC_ST: Ignoring event %d", event); + break; + } + break; +#endif + + case BTA_AG_SCO_OPENING_ST: + switch (event) + { + case BTA_AG_SCO_LISTEN_E: + /* second headset has now joined */ + /* create sco listen connection (Additional channel) */ + if (p_scb != p_sco->p_curr_scb) + { + bta_ag_create_sco(p_scb, FALSE); + } + break; + +#if (BTM_WBS_INCLUDED == TRUE) + case BTA_AG_SCO_REOPEN_E: + /* start codec negotiation */ + p_sco->state = BTA_AG_SCO_CODEC_ST; + p_cn_scb = p_scb; + break; +#endif + + case BTA_AG_SCO_XFER_E: + /* save xfer scb */ + p_sco->p_xfer_scb = p_scb; + p_sco->state = BTA_AG_SCO_CLOSE_XFER_ST; + break; + + case BTA_AG_SCO_CLOSE_E: + p_sco->state = BTA_AG_SCO_OPEN_CL_ST; + break; + + case BTA_AG_SCO_SHUTDOWN_E: + /* If not opening scb, just close it */ + if (p_scb != p_sco->p_curr_scb) + { + /* remove listening connection */ + bta_ag_remove_sco(p_scb, FALSE); + } + else + p_sco->state = BTA_AG_SCO_SHUTTING_ST; + + break; + + case BTA_AG_SCO_CONN_OPEN_E: + p_sco->state = BTA_AG_SCO_OPEN_ST; + break; + + case BTA_AG_SCO_CONN_CLOSE_E: + /* sco failed; create sco listen connection */ + bta_ag_create_sco(p_scb, FALSE); + p_sco->state = BTA_AG_SCO_LISTEN_ST; + break; + + default: + APPL_TRACE_WARNING1("BTA_AG_SCO_OPENING_ST: Ignoring event %d", event); + break; + } + break; + + case BTA_AG_SCO_OPEN_CL_ST: + switch (event) + { + case BTA_AG_SCO_XFER_E: + /* save xfer scb */ + p_sco->p_xfer_scb = p_scb; + + p_sco->state = BTA_AG_SCO_CLOSE_XFER_ST; + break; + + case BTA_AG_SCO_OPEN_E: + p_sco->state = BTA_AG_SCO_OPENING_ST; + break; + + case BTA_AG_SCO_SHUTDOWN_E: + /* If not opening scb, just close it */ + if (p_scb != p_sco->p_curr_scb) + { + /* remove listening connection */ + bta_ag_remove_sco(p_scb, FALSE); + } + else + p_sco->state = BTA_AG_SCO_SHUTTING_ST; + + break; + + case BTA_AG_SCO_CONN_OPEN_E: + /* close sco connection */ + bta_ag_remove_sco(p_scb, TRUE); + + p_sco->state = BTA_AG_SCO_CLOSING_ST; + break; + + case BTA_AG_SCO_CONN_CLOSE_E: + /* sco failed; create sco listen connection */ + + p_sco->state = BTA_AG_SCO_LISTEN_ST; + break; + + default: + APPL_TRACE_WARNING1("BTA_AG_SCO_OPEN_CL_ST: Ignoring event %d", event); + break; + } + break; + + case BTA_AG_SCO_OPEN_XFER_ST: + switch (event) + { + case BTA_AG_SCO_CLOSE_E: + /* close sco connection */ + bta_ag_remove_sco(p_scb, TRUE); + + p_sco->state = BTA_AG_SCO_CLOSING_ST; + break; + + case BTA_AG_SCO_SHUTDOWN_E: + /* remove all connection */ + bta_ag_remove_sco(p_scb, FALSE); + p_sco->state = BTA_AG_SCO_SHUTTING_ST; + + break; + + case BTA_AG_SCO_CONN_CLOSE_E: + /* closed sco; place in listen mode and + accept the transferred connection */ + bta_ag_create_sco(p_scb, FALSE); /* Back into listen mode */ + + /* Accept sco connection with xfer scb */ + bta_ag_sco_conn_rsp(p_sco->p_xfer_scb, &p_sco->conn_data); + p_sco->state = BTA_AG_SCO_OPENING_ST; + p_sco->p_curr_scb = p_sco->p_xfer_scb; + p_sco->cur_idx = p_sco->p_xfer_scb->sco_idx; + p_sco->p_xfer_scb = NULL; + break; + + default: + APPL_TRACE_WARNING1("BTA_AG_SCO_OPEN_XFER_ST: Ignoring event %d", event); + break; + } + break; + + case BTA_AG_SCO_OPEN_ST: + switch (event) + { + case BTA_AG_SCO_LISTEN_E: + /* second headset has now joined */ + /* create sco listen connection (Additional channel) */ + if (p_scb != p_sco->p_curr_scb) + { + bta_ag_create_sco(p_scb, FALSE); + } + break; + + case BTA_AG_SCO_XFER_E: + /* close current sco connection */ + bta_ag_remove_sco(p_sco->p_curr_scb, TRUE); + + /* save xfer scb */ + p_sco->p_xfer_scb = p_scb; + + p_sco->state = BTA_AG_SCO_CLOSE_XFER_ST; + break; + + case BTA_AG_SCO_CLOSE_E: + /* close sco connection if active */ + if (bta_ag_remove_sco(p_scb, TRUE)) + { + p_sco->state = BTA_AG_SCO_CLOSING_ST; + } + break; + + case BTA_AG_SCO_SHUTDOWN_E: + /* remove all listening connections */ + bta_ag_remove_sco(p_scb, FALSE); + + /* If SCO was active on this scb, close it */ + if (p_scb == p_sco->p_curr_scb) + { + p_sco->state = BTA_AG_SCO_SHUTTING_ST; + } + break; + + case BTA_AG_SCO_CONN_CLOSE_E: + /* peer closed sco; create sco listen connection */ + bta_ag_create_sco(p_scb, FALSE); + p_sco->state = BTA_AG_SCO_LISTEN_ST; + break; + + default: + APPL_TRACE_WARNING1("BTA_AG_SCO_OPEN_ST: Ignoring event %d", event); + break; + } + break; + + case BTA_AG_SCO_CLOSING_ST: + switch (event) + { + case BTA_AG_SCO_LISTEN_E: + /* create sco listen connection (Additional channel) */ + if (p_scb != p_sco->p_curr_scb) + { + bta_ag_create_sco(p_scb, FALSE); + } + break; + + case BTA_AG_SCO_OPEN_E: + p_sco->state = BTA_AG_SCO_CLOSE_OP_ST; + break; + + case BTA_AG_SCO_XFER_E: + /* save xfer scb */ + p_sco->p_xfer_scb = p_scb; + + p_sco->state = BTA_AG_SCO_CLOSE_XFER_ST; + break; + + case BTA_AG_SCO_SHUTDOWN_E: + /* If not closing scb, just close it */ + if (p_scb != p_sco->p_curr_scb) + { + /* remove listening connection */ + bta_ag_remove_sco(p_scb, FALSE); + } + else + p_sco->state = BTA_AG_SCO_SHUTTING_ST; + + break; + + case BTA_AG_SCO_CONN_CLOSE_E: + /* peer closed sco; create sco listen connection */ + bta_ag_create_sco(p_scb, FALSE); + + p_sco->state = BTA_AG_SCO_LISTEN_ST; + break; + + default: + APPL_TRACE_WARNING1("BTA_AG_SCO_CLOSING_ST: Ignoring event %d", event); + break; + } + break; + + case BTA_AG_SCO_CLOSE_OP_ST: + switch (event) + { + case BTA_AG_SCO_CLOSE_E: + p_sco->state = BTA_AG_SCO_CLOSING_ST; + break; + + case BTA_AG_SCO_SHUTDOWN_E: + p_sco->state = BTA_AG_SCO_SHUTTING_ST; + break; + + case BTA_AG_SCO_CONN_CLOSE_E: +#if (BTM_WBS_INCLUDED == TRUE ) + /* start codec negotiation */ + p_sco->state = BTA_AG_SCO_CODEC_ST; + p_cn_scb = p_scb; +#else + /* open sco connection */ + bta_ag_create_sco(p_scb, TRUE); + p_sco->state = BTA_AG_SCO_OPENING_ST; +#endif + break; + + case BTA_AG_SCO_LISTEN_E: + /* create sco listen connection (Additional channel) */ + if (p_scb != p_sco->p_curr_scb) + { + bta_ag_create_sco(p_scb, FALSE); + } + break; + + default: + APPL_TRACE_WARNING1("BTA_AG_SCO_CLOSE_OP_ST: Ignoring event %d", event); + break; + } + break; + + case BTA_AG_SCO_CLOSE_XFER_ST: + switch (event) + { + case BTA_AG_SCO_CONN_OPEN_E: + /* close sco connection so headset can be transferred + Probably entered this state from "opening state" */ + bta_ag_remove_sco(p_scb, TRUE); + break; + + case BTA_AG_SCO_CLOSE_E: + /* clear xfer scb */ + p_sco->p_xfer_scb = NULL; + + p_sco->state = BTA_AG_SCO_CLOSING_ST; + break; + + case BTA_AG_SCO_SHUTDOWN_E: + /* clear xfer scb */ + p_sco->p_xfer_scb = NULL; + + p_sco->state = BTA_AG_SCO_SHUTTING_ST; + break; + + case BTA_AG_SCO_CONN_CLOSE_E: + /* closed sco; place old sco in listen mode, + take current sco out of listen, and + create originating sco for current */ + bta_ag_create_sco(p_scb, FALSE); + bta_ag_remove_sco(p_sco->p_xfer_scb, FALSE); + +#if (BTM_WBS_INCLUDED == TRUE ) + /* start codec negotiation */ + p_sco->state = BTA_AG_SCO_CODEC_ST; + p_cn_scb = p_sco->p_xfer_scb; + p_sco->p_xfer_scb = NULL; +#else + /* create sco connection to peer */ + bta_ag_create_sco(p_sco->p_xfer_scb, TRUE); + p_sco->p_xfer_scb = NULL; + p_sco->state = BTA_AG_SCO_OPENING_ST; +#endif + break; + + default: + APPL_TRACE_WARNING1("BTA_AG_SCO_CLOSE_XFER_ST: Ignoring event %d", event); + break; + } + break; + + case BTA_AG_SCO_SHUTTING_ST: + switch (event) + { + case BTA_AG_SCO_CONN_OPEN_E: + /* close sco connection; wait for conn close event */ + bta_ag_remove_sco(p_scb, TRUE); + break; + + case BTA_AG_SCO_CONN_CLOSE_E: + /* If last SCO instance then finish shutting down */ + if (!bta_ag_other_scb_open(p_scb)) + { + p_sco->state = BTA_AG_SCO_SHUTDOWN_ST; + } + else /* Other instance is still listening */ + { + p_sco->state = BTA_AG_SCO_LISTEN_ST; + } + + if (p_scb == p_sco->p_curr_scb) + { + p_sco->p_curr_scb->sco_idx = BTM_INVALID_SCO_INDEX; + p_sco->p_curr_scb = NULL; + } + break; + + case BTA_AG_SCO_LISTEN_E: + /* create sco listen connection (Additional channel) */ + if (p_scb != p_sco->p_curr_scb) + { + bta_ag_create_sco(p_scb, FALSE); + } + break; + + case BTA_AG_SCO_SHUTDOWN_E: + if (!bta_ag_other_scb_open(p_scb)) + { + p_sco->state = BTA_AG_SCO_SHUTDOWN_ST; + } + else /* Other instance is still listening */ + { + p_sco->state = BTA_AG_SCO_LISTEN_ST; + } + + if (p_scb == p_sco->p_curr_scb) + { + p_sco->p_curr_scb->sco_idx = BTM_INVALID_SCO_INDEX; + p_sco->p_curr_scb = NULL; + } + break; + + default: + APPL_TRACE_WARNING1("BTA_AG_SCO_SHUTTING_ST: Ignoring event %d", event); + break; + } + break; + + default: + break; + } +#if BTA_AG_SCO_DEBUG == TRUE + if (p_sco->state != in_state) + { + APPL_TRACE_EVENT3("BTA AG SCO State Change: [%s] -> [%s] after Event [%s]", + bta_ag_sco_state_str(in_state), + bta_ag_sco_state_str(p_sco->state), + bta_ag_sco_evt_str(event)); + } +#endif + +#if (BTM_WBS_INCLUDED == TRUE ) + if (p_cn_scb) + { + bta_ag_codec_negotiate(p_cn_scb); + } +#endif +} + +/******************************************************************************* +** +** Function bta_ag_sco_is_open +** +** Description Check if sco is open for this scb. +** +** +** Returns TRUE if sco open for this scb, FALSE otherwise. +** +*******************************************************************************/ +BOOLEAN bta_ag_sco_is_open(tBTA_AG_SCB *p_scb) +{ + return ((bta_ag_cb.sco.state == BTA_AG_SCO_OPEN_ST) && + (bta_ag_cb.sco.p_curr_scb == p_scb)); +} + +/******************************************************************************* +** +** Function bta_ag_sco_is_opening +** +** Description Check if sco is in Opening state. +** +** +** Returns TRUE if sco is in Opening state for this scb, FALSE otherwise. +** +*******************************************************************************/ +BOOLEAN bta_ag_sco_is_opening(tBTA_AG_SCB *p_scb) +{ +#if (BTM_WBS_INCLUDED == TRUE ) + return (((bta_ag_cb.sco.state == BTA_AG_SCO_OPENING_ST) || + (bta_ag_cb.sco.state == BTA_AG_SCO_OPENING_ST)) && + (bta_ag_cb.sco.p_curr_scb == p_scb)); +#else + return ((bta_ag_cb.sco.state == BTA_AG_SCO_OPENING_ST) && + (bta_ag_cb.sco.p_curr_scb == p_scb)); +#endif +} + +/******************************************************************************* +** +** Function bta_ag_sco_listen +** +** Description +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_sco_listen(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + bta_ag_sco_event(p_scb, BTA_AG_SCO_LISTEN_E); +} + +/******************************************************************************* +** +** Function bta_ag_sco_open +** +** Description +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_sco_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + UINT8 event; + + /* if another scb using sco, this is a transfer */ + if (bta_ag_cb.sco.p_curr_scb != NULL && bta_ag_cb.sco.p_curr_scb != p_scb) + { + event = BTA_AG_SCO_XFER_E; + } + /* else it is an open */ + else + { + event = BTA_AG_SCO_OPEN_E; + } + + bta_ag_sco_event(p_scb, event); +} + +/******************************************************************************* +** +** Function bta_ag_sco_close +** +** Description +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_sco_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + /* if scb is in use */ +#if (BTM_WBS_INCLUDED == TRUE ) + /* sco_idx is not allocated in SCO_CODEC_ST, we still need to move to listening state. */ + if ((p_scb->sco_idx != BTM_INVALID_SCO_INDEX) || (bta_ag_cb.sco.state == BTA_AG_SCO_CODEC_ST)) +#else + if (p_scb->sco_idx != BTM_INVALID_SCO_INDEX) +#endif + { + APPL_TRACE_DEBUG1("bta_ag_sco_close: sco_inx = %d", p_scb->sco_idx); + bta_ag_sco_event(p_scb, BTA_AG_SCO_CLOSE_E); + } +} + +#if (BTM_WBS_INCLUDED == TRUE ) + +/******************************************************************************* +** +** Function bta_ag_sco_codec_nego +** +** Description +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_sco_codec_nego(tBTA_AG_SCB *p_scb, BOOLEAN result) +{ + if(result == TRUE) + { + /* Subsequent sco connection will skip codec negotiation */ + p_scb->codec_updated = FALSE; + + bta_ag_sco_event(p_scb, BTA_AG_SCO_CN_DONE_E); + } + else /* codec negotiation failed */ + bta_ag_sco_event(p_scb, BTA_AG_SCO_CLOSE_E); +} +#endif + +/******************************************************************************* +** +** Function bta_ag_sco_shutdown +** +** Description +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_sco_shutdown(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + bta_ag_sco_event(p_scb, BTA_AG_SCO_SHUTDOWN_E); +} + +/******************************************************************************* +** +** Function bta_ag_sco_conn_open +** +** Description +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_sco_conn_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + bta_ag_sco_event(p_scb, BTA_AG_SCO_CONN_OPEN_E); + + bta_sys_sco_open(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); + + bta_ag_co_audio_state(bta_ag_scb_to_idx(p_scb), p_scb->app_id, BTA_AG_CO_AUD_STATE_ON); + +#if (BTM_SCO_HCI_INCLUDED == TRUE ) + /* open SCO codec if SCO is routed through transport */ + bta_dm_sco_co_open(bta_ag_scb_to_idx(p_scb), BTA_SCO_OUT_PKT_SIZE, BTA_AG_CI_SCO_DATA_EVT); +#endif + + /* call app callback */ + bta_ag_cback_sco(p_scb, BTA_AG_AUDIO_OPEN_EVT); + + p_scb->retry_with_sco_only = FALSE; +} + +/******************************************************************************* +** +** Function bta_ag_sco_conn_close +** +** Description +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_sco_conn_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + UINT16 handle = bta_ag_scb_to_idx(p_scb); + + /* clear current scb */ + bta_ag_cb.sco.p_curr_scb = NULL; + p_scb->sco_idx = BTM_INVALID_SCO_INDEX; + +#if (BTM_WBS_INCLUDED == TRUE) + /* codec_fallback is set when AG is initiator and connection failed for mSBC. */ + if (p_scb->codec_fallback && p_scb->svc_conn) + { + bta_ag_sco_event(p_scb, BTA_AG_SCO_REOPEN_E); + } + else if (p_scb->retry_with_sco_only && p_scb->svc_conn) + { + /* retry_with_sco_only is set when AG is initiator and connection failed for eSCO */ + bta_ag_create_sco(p_scb, TRUE); + } +#else + /* retry_with_sco_only, will be set only when AG is initiator + ** and AG is first trying to establish an eSCO connection */ + if (p_scb->retry_with_sco_only && p_scb->svc_conn) + { + bta_ag_create_sco(p_scb, TRUE); + } +#endif + else + { + /* Indicate if the closing of audio is because of transfer */ + if (bta_ag_cb.sco.p_xfer_scb) + bta_ag_co_audio_state(handle, p_scb->app_id, BTA_AG_CO_AUD_STATE_OFF_XFER); + else + bta_ag_co_audio_state(handle, p_scb->app_id, BTA_AG_CO_AUD_STATE_OFF); + + bta_ag_sco_event(p_scb, BTA_AG_SCO_CONN_CLOSE_E); + + bta_sys_sco_close(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); + + /* if av got suspended by this call, let it resume. */ + /* In case call stays alive regardless of sco, av should not be affected. */ + if(((p_scb->call_ind == BTA_AG_CALL_INACTIVE) && (p_scb->callsetup_ind == BTA_AG_CALLSETUP_NONE)) + || (p_scb->post_sco == BTA_AG_POST_SCO_CALL_END)) + { + bta_sys_sco_unuse(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); + } + + /* call app callback */ + bta_ag_cback_sco(p_scb, BTA_AG_AUDIO_CLOSE_EVT); + } + p_scb->retry_with_sco_only = FALSE; +} + +/******************************************************************************* +** +** Function bta_ag_sco_conn_rsp +** +** Description Process the SCO connection request +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_sco_conn_rsp(tBTA_AG_SCB *p_scb, tBTM_ESCO_CONN_REQ_EVT_DATA *p_data) +{ + tBTM_ESCO_PARAMS resp; + UINT8 hci_status = HCI_SUCCESS; +#if (BTM_SCO_HCI_INCLUDED == TRUE ) + tBTA_CODEC_INFO codec_info = {BTA_SCO_CODEC_PCM}; + UINT32 pcm_sample_rate; +#endif + + if (bta_ag_cb.sco.state == BTA_AG_SCO_LISTEN_ST || + bta_ag_cb.sco.state == BTA_AG_SCO_CLOSE_XFER_ST || + bta_ag_cb.sco.state == BTA_AG_SCO_OPEN_XFER_ST) + { + /* If script overrided sco parameter by BTA_CMD_SET_ESCO_PARAM */ + if (bta_ag_cb.sco.param_updated) + { + resp = bta_ag_cb.sco.params; + } + else + { + resp.rx_bw = BTM_64KBITS_RATE; + resp.tx_bw = BTM_64KBITS_RATE; + resp.max_latency = 10; + resp.voice_contfmt = 0x60; + resp.retrans_effort = BTM_ESCO_RETRANS_POWER; + + if (p_data->link_type == BTM_LINK_TYPE_SCO) + { + resp.packet_types = (BTM_SCO_LINK_ONLY_MASK | + BTM_SCO_PKT_TYPES_MASK_NO_2_EV3 | + BTM_SCO_PKT_TYPES_MASK_NO_3_EV3 | + BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 | + BTM_SCO_PKT_TYPES_MASK_NO_3_EV5); + } + else /* Allow controller to use all types available except 5-slot EDR */ + { + resp.packet_types = (BTM_SCO_LINK_ALL_PKT_MASK | + BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 | + BTM_SCO_PKT_TYPES_MASK_NO_3_EV5); + } + } + + /* tell sys to stop av if any */ + bta_sys_sco_use(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr); + + /* Allow any platform specific pre-SCO set up to take place */ + bta_ag_co_audio_state(bta_ag_scb_to_idx(p_scb), p_scb->app_id, BTA_AG_CO_AUD_STATE_SETUP); + +#if (BTM_WBS_INCLUDED == TRUE ) + /* When HS initiated SCO, it cannot be WBS. */ + BTM_ConfigI2SPCM (BTM_SCO_CODEC_CVSD, (UINT8)HCI_BRCM_I2SPCM_IS_DEFAULT_ROLE, (UINT8)HCI_BRCM_I2SPCM_SAMPLE_DEFAULT, (UINT8)HCI_BRCM_I2SPCM_CLOCK_DEFAULT); +#endif + +#if (BTM_SCO_HCI_INCLUDED == TRUE ) + pcm_sample_rate = BTA_DM_SCO_SAMP_RATE_8K; + + /* initialize SCO setup, no voice setting for AG, data rate <==> sample rate */ + BTM_ConfigScoPath(bta_dm_sco_co_init(pcm_sample_rate, pcm_sample_rate, &codec_info, p_scb->app_id), + bta_ag_sco_read_cback, NULL, TRUE); +#endif + } + else + hci_status = HCI_ERR_HOST_REJECT_DEVICE; + +#if (BTM_WBS_INCLUDED == TRUE ) + /* If SCO open was initiated from HS, it must be CVSD */ + p_scb->inuse_codec = BTA_AG_CODEC_NONE; +#endif + + BTM_EScoConnRsp(p_data->sco_inx, hci_status, &resp); +} + +/******************************************************************************* +** +** Function bta_ag_ci_sco_data +** +** Description Process the SCO data ready callin event +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_ci_sco_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ +#if (BTM_SCO_HCI_INCLUDED == TRUE ) + bta_ag_sco_event(p_scb, BTA_AG_SCO_CI_DATA_E); +#endif +} + +/******************************************************************************* +** +** Function bta_ag_set_esco_param +** +** Description Update esco parameters from script wrapper. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_set_esco_param(BOOLEAN set_reset, tBTM_ESCO_PARAMS *param) +{ + if(set_reset == FALSE) /* reset the parameters to default */ + { + bta_ag_cb.sco.param_updated = FALSE; + APPL_TRACE_DEBUG0("bta_ag_set_esco_param : Resetting ESCO parameters to default"); + } + else + { + bta_ag_cb.sco.param_updated = TRUE; + bta_ag_cb.sco.params = *param; + APPL_TRACE_DEBUG0("bta_ag_set_esco_param : Setting ESCO parameters"); + } +} + +/******************************************************************************* +** Debugging functions +*******************************************************************************/ + +#if BTA_AG_SCO_DEBUG == TRUE +static char *bta_ag_sco_evt_str(UINT8 event) +{ + switch (event) + { + case BTA_AG_SCO_LISTEN_E: + return "Listen Request"; + case BTA_AG_SCO_OPEN_E: + return "Open Request"; + case BTA_AG_SCO_XFER_E: + return "Transfer Request"; +#if (BTM_WBS_INCLUDED == TRUE ) + case BTA_AG_SCO_CN_DONE_E: + return "Codec Negotiation Done"; + case BTA_AG_SCO_REOPEN_E: + return "Reopen Request"; +#endif + case BTA_AG_SCO_CLOSE_E: + return "Close Request"; + case BTA_AG_SCO_SHUTDOWN_E: + return "Shutdown Request"; + case BTA_AG_SCO_CONN_OPEN_E: + return "Opened"; + case BTA_AG_SCO_CONN_CLOSE_E: + return "Closed"; + case BTA_AG_SCO_CI_DATA_E : + return "Sco Data"; + default: + return "Unknown SCO Event"; + } +} + +static char *bta_ag_sco_state_str(UINT8 state) +{ + switch (state) + { + case BTA_AG_SCO_SHUTDOWN_ST: + return "Shutdown"; + case BTA_AG_SCO_LISTEN_ST: + return "Listening"; +#if (BTM_WBS_INCLUDED == TRUE ) + case BTA_AG_SCO_CODEC_ST: + return "Codec Negotiation"; +#endif + case BTA_AG_SCO_OPENING_ST: + return "Opening"; + case BTA_AG_SCO_OPEN_CL_ST: + return "Open while closing"; + case BTA_AG_SCO_OPEN_XFER_ST: + return "Opening while Transferring"; + case BTA_AG_SCO_OPEN_ST: + return "Open"; + case BTA_AG_SCO_CLOSING_ST: + return "Closing"; + case BTA_AG_SCO_CLOSE_OP_ST: + return "Close while Opening"; + case BTA_AG_SCO_CLOSE_XFER_ST: + return "Close while Transferring"; + case BTA_AG_SCO_SHUTTING_ST: + return "Shutting Down"; + default: + return "Unknown SCO State"; + } +} + +#endif diff --git a/bta/ag/bta_ag_sdp.c b/bta/ag/bta_ag_sdp.c new file mode 100644 index 0000000..d708cf2 --- /dev/null +++ b/bta/ag/bta_ag_sdp.c @@ -0,0 +1,500 @@ +/****************************************************************************** + * + * Copyright (C) 2003-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This file contains the audio gateway functions performing SDP + * operations. + * + ******************************************************************************/ + +#include <string.h> +#include "bta_api.h" +#include "bta_sys.h" +#include "bta_ag_api.h" +#include "bta_ag_int.h" +#include "sdp_api.h" +#include "btm_api.h" +#include "gki.h" + +/* Number of protocol elements in protocol element list. */ +#define BTA_AG_NUM_PROTO_ELEMS 2 + +/* Number of elements in service class id list. */ +#define BTA_AG_NUM_SVC_ELEMS 2 + +/* size of database for service discovery */ +#ifndef BTA_AG_DISC_BUF_SIZE +#define BTA_AG_DISC_BUF_SIZE GKI_MAX_BUF_SIZE +#endif + +/* declare sdp callback functions */ +void bta_ag_sdp_cback_1(UINT16 status); +void bta_ag_sdp_cback_2(UINT16 status); +void bta_ag_sdp_cback_3(UINT16 status); + +/* SDP callback function table */ +typedef tSDP_DISC_CMPL_CB *tBTA_AG_SDP_CBACK; +const tBTA_AG_SDP_CBACK bta_ag_sdp_cback_tbl[] = +{ + bta_ag_sdp_cback_1, + bta_ag_sdp_cback_2, + bta_ag_sdp_cback_3 +}; + +/******************************************************************************* +** +** Function bta_ag_sdp_cback +** +** Description SDP callback function. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_ag_sdp_cback(UINT16 status, UINT8 idx) +{ + tBTA_AG_DISC_RESULT *p_buf; + UINT16 event; + tBTA_AG_SCB *p_scb; + + APPL_TRACE_DEBUG1("bta_ag_sdp_cback status:0x%x", status); + + if ((p_scb = bta_ag_scb_by_idx(idx)) != NULL) + { + /* set event according to int/acp */ + if (p_scb->role == BTA_AG_ACP) + { + event = BTA_AG_DISC_ACP_RES_EVT; + } + else + { + event = BTA_AG_DISC_INT_RES_EVT; + } + + if ((p_buf = (tBTA_AG_DISC_RESULT *) GKI_getbuf(sizeof(tBTA_AG_DISC_RESULT))) != NULL) + { + p_buf->hdr.event = event; + p_buf->hdr.layer_specific = idx; + p_buf->status = status; + bta_sys_sendmsg(p_buf); + } + } +} + +/******************************************************************************* +** +** Function bta_ag_sdp_cback_1 to 3 +** +** Description SDP callback functions. Since there is no way to +** distinguish scb from the callback we need separate +** callbacks for each scb. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_sdp_cback_1(UINT16 status) {bta_ag_sdp_cback(status, 1);} +void bta_ag_sdp_cback_2(UINT16 status) {bta_ag_sdp_cback(status, 2);} +void bta_ag_sdp_cback_3(UINT16 status) {bta_ag_sdp_cback(status, 3);} + +/****************************************************************************** +** +** Function bta_ag_add_record +** +** Description This function is called by a server application to add +** HSP or HFP information to an SDP record. Prior to +** calling this function the application must call +** SDP_CreateRecord() to create an SDP record. +** +** Returns TRUE if function execution succeeded, +** FALSE if function execution failed. +** +******************************************************************************/ +BOOLEAN bta_ag_add_record(UINT16 service_uuid, char *p_service_name, UINT8 scn, + tBTA_AG_FEAT features, UINT32 sdp_handle) +{ + tSDP_PROTOCOL_ELEM proto_elem_list[BTA_AG_NUM_PROTO_ELEMS]; + UINT16 svc_class_id_list[BTA_AG_NUM_SVC_ELEMS]; + UINT16 browse_list[] = {UUID_SERVCLASS_PUBLIC_BROWSE_GROUP}; + UINT16 version; + UINT16 profile_uuid; + UINT8 network; + BOOLEAN result = TRUE; + BOOLEAN codec_supported = FALSE; + UINT8 buf[2]; + + APPL_TRACE_DEBUG1("bta_ag_add_record uuid: %x", service_uuid); + + memset( proto_elem_list, 0 , BTA_AG_NUM_PROTO_ELEMS*sizeof(tSDP_PROTOCOL_ELEM)); + + /* add the protocol element sequence */ + proto_elem_list[0].protocol_uuid = UUID_PROTOCOL_L2CAP; + proto_elem_list[0].num_params = 0; + proto_elem_list[1].protocol_uuid = UUID_PROTOCOL_RFCOMM; + proto_elem_list[1].num_params = 1; + proto_elem_list[1].params[0] = scn; + result &= SDP_AddProtocolList(sdp_handle, BTA_AG_NUM_PROTO_ELEMS, proto_elem_list); + + /* add service class id list */ + svc_class_id_list[0] = service_uuid; + svc_class_id_list[1] = UUID_SERVCLASS_GENERIC_AUDIO; + result &= SDP_AddServiceClassIdList(sdp_handle, BTA_AG_NUM_SVC_ELEMS, svc_class_id_list); + + /* add profile descriptor list */ + if (service_uuid == UUID_SERVCLASS_AG_HANDSFREE) + { + profile_uuid = UUID_SERVCLASS_HF_HANDSFREE; + version = HFP_VERSION_1_6; + } + else + { + profile_uuid = UUID_SERVCLASS_HEADSET; + version = HSP_VERSION_1_2; + } + result &= SDP_AddProfileDescriptorList(sdp_handle, profile_uuid, version); + + /* add service name */ + if (p_service_name != NULL && p_service_name[0] != 0) + { + result &= SDP_AddAttribute(sdp_handle, ATTR_ID_SERVICE_NAME, TEXT_STR_DESC_TYPE, + (UINT32)(strlen(p_service_name)+1), (UINT8 *) p_service_name); + } + + /* add features and network */ + if (service_uuid == UUID_SERVCLASS_AG_HANDSFREE) + { + network = (features & BTA_AG_FEAT_REJECT) ? 1 : 0; + result &= SDP_AddAttribute(sdp_handle, ATTR_ID_DATA_STORES_OR_NETWORK, + UINT_DESC_TYPE, 1, &network); + + if (features & BTA_AG_FEAT_CODEC) + codec_supported = TRUE; + + features &= BTA_AG_SDP_FEAT_SPEC; + + /* Codec bit position is different in SDP and in BRSF */ + if (codec_supported) + features |= 0x0020; + + UINT16_TO_BE_FIELD(buf, features); + result &= SDP_AddAttribute(sdp_handle, ATTR_ID_SUPPORTED_FEATURES, UINT_DESC_TYPE, 2, buf); + } + + /* add browse group list */ + result &= SDP_AddUuidSequence(sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, browse_list); + + return result; +} + +/******************************************************************************* +** +** Function bta_ag_create_records +** +** Description Create SDP records for registered services. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_create_records(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + int i; + tBTA_SERVICE_MASK services; + + services = p_scb->reg_services >> BTA_HSP_SERVICE_ID; + for (i = 0; i < BTA_AG_NUM_IDX && services != 0; i++, services >>= 1) + { + /* if service is set in mask */ + if (services & 1) + { + /* add sdp record if not already registered */ + if (bta_ag_cb.profile[i].sdp_handle == 0) + { + bta_ag_cb.profile[i].sdp_handle = SDP_CreateRecord(); + bta_ag_cb.profile[i].scn = BTM_AllocateSCN(); + bta_ag_add_record(bta_ag_uuid[i], p_data->api_register.p_name[i], + bta_ag_cb.profile[i].scn, p_data->api_register.features, + bta_ag_cb.profile[i].sdp_handle); + bta_sys_add_uuid(bta_ag_uuid[i]); + } + } + } + + p_scb->hsp_version = HSP_VERSION_1_2; + +} + +/******************************************************************************* +** +** Function bta_ag_del_records +** +** Description Delete SDP records for any registered services. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_del_records(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + tBTA_AG_SCB *p = &bta_ag_cb.scb[0]; + tBTA_SERVICE_MASK services; + tBTA_SERVICE_MASK others = 0; + int i; + + /* get services of all other registered servers */ + for (i = 0; i < BTA_AG_NUM_IDX; i++, p++) + { + if (p_scb == p) + { + continue; + } + + if (p->in_use && p->dealloc == FALSE) + { + others |= p->reg_services; + } + } + + others >>= BTA_HSP_SERVICE_ID; + services = p_scb->reg_services >> BTA_HSP_SERVICE_ID; + for (i = 0; i < BTA_AG_NUM_IDX && services != 0; i++, services >>= 1, others >>= 1) + { + /* if service registered for this scb and not registered for any other scb */ + if (((services & 1) == 1) && ((others & 1) == 0)) + { + APPL_TRACE_DEBUG1("bta_ag_del_records %d", i); + if (bta_ag_cb.profile[i].sdp_handle != 0) + { + SDP_DeleteRecord(bta_ag_cb.profile[i].sdp_handle); + bta_ag_cb.profile[i].sdp_handle = 0; + } + BTM_FreeSCN(bta_ag_cb.profile[i].scn); + BTM_SecClrService(bta_ag_sec_id[i]); + bta_sys_remove_uuid(bta_ag_uuid[i]); + } + } +} + +/******************************************************************************* +** +** Function bta_ag_sdp_find_attr +** +** Description Process SDP discovery results to find requested attributes +** for requested service. +** +** +** Returns TRUE if results found, FALSE otherwise. +** +*******************************************************************************/ +BOOLEAN bta_ag_sdp_find_attr(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK service) +{ + tSDP_DISC_REC *p_rec = NULL; + tSDP_DISC_ATTR *p_attr; + tSDP_PROTOCOL_ELEM pe; + UINT16 uuid; + BOOLEAN result = FALSE; + + if (service & BTA_HFP_SERVICE_MASK) + { + uuid = UUID_SERVCLASS_HF_HANDSFREE; + p_scb->peer_version = HFP_VERSION_1_1; /* Default version */ + } + else if (service & BTA_HSP_SERVICE_MASK && p_scb->role == BTA_AG_INT) + { + uuid = UUID_SERVCLASS_HEADSET_HS; + p_scb->peer_version = 0x0100; /* Default version */ + } + else + { + return result; + } + + /* loop through all records we found */ + while (TRUE) + { + /* get next record; if none found, we're done */ + if ((p_rec = SDP_FindServiceInDb(p_scb->p_disc_db, uuid, p_rec)) == NULL) + { + if (uuid == UUID_SERVCLASS_HEADSET_HS) + { + /* Search again in case the peer device is HSP v1.0 */ + uuid = UUID_SERVCLASS_HEADSET; + if ((p_rec = SDP_FindServiceInDb(p_scb->p_disc_db, uuid, p_rec)) == NULL) + { + break; + } + } + else + break; + } + + /* get scn from proto desc list if initiator */ + if (p_scb->role == BTA_AG_INT) + { + if (SDP_FindProtocolListElemInRec(p_rec, UUID_PROTOCOL_RFCOMM, &pe)) + { + p_scb->peer_scn = (UINT8) pe.params[0]; + } + else + { + continue; + } + } + + /* get profile version (if failure, version parameter is not updated) */ + SDP_FindProfileVersionInRec(p_rec, uuid, &p_scb->peer_version); + + /* get features if HFP */ + if (service & BTA_HFP_SERVICE_MASK) + { + if ((p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_SUPPORTED_FEATURES)) != NULL) + { + /* Found attribute. Get value. */ + /* There might be race condition between SDP and BRSF. */ + /* Do not update if we already received BRSF. */ + if (p_scb->peer_features == 0) + p_scb->peer_features = p_attr->attr_value.v.u16; + } + } + else /* HSP */ + { + if ((p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_REMOTE_AUDIO_VOLUME_CONTROL)) != NULL) + { + /* Remote volume control of HSP */ + if (p_attr->attr_value.v.u8) + p_scb->peer_features |= BTA_AG_PEER_FEAT_VOL; + else + p_scb->peer_features &= ~BTA_AG_PEER_FEAT_VOL; + } + + } + + /* found what we needed */ + result = TRUE; + break; + } + return result; +} + +/******************************************************************************* +** +** Function bta_ag_do_disc +** +** Description Do service discovery. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_do_disc(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK service) +{ + tSDP_UUID uuid_list[2]; + UINT16 num_uuid = 1; + UINT16 attr_list[4]; + UINT8 num_attr; + BOOLEAN db_inited = FALSE; + + /* HFP initiator; get proto list and features */ + if (service & BTA_HFP_SERVICE_MASK && p_scb->role == BTA_AG_INT) + { + attr_list[0] = ATTR_ID_SERVICE_CLASS_ID_LIST; + attr_list[1] = ATTR_ID_PROTOCOL_DESC_LIST; + attr_list[2] = ATTR_ID_BT_PROFILE_DESC_LIST; + attr_list[3] = ATTR_ID_SUPPORTED_FEATURES; + num_attr = 4; + uuid_list[0].uu.uuid16 = UUID_SERVCLASS_HF_HANDSFREE; + } + /* HFP acceptor; get features */ + else if (service & BTA_HFP_SERVICE_MASK && p_scb->role == BTA_AG_ACP) + { + attr_list[0] = ATTR_ID_SERVICE_CLASS_ID_LIST; + attr_list[1] = ATTR_ID_BT_PROFILE_DESC_LIST; + attr_list[2] = ATTR_ID_SUPPORTED_FEATURES; + num_attr = 3; + uuid_list[0].uu.uuid16 = UUID_SERVCLASS_HF_HANDSFREE; + } + /* HSP initiator; get proto list */ + else if (service & BTA_HSP_SERVICE_MASK && p_scb->role == BTA_AG_INT) + { + attr_list[0] = ATTR_ID_SERVICE_CLASS_ID_LIST; + attr_list[1] = ATTR_ID_PROTOCOL_DESC_LIST; + attr_list[2] = ATTR_ID_BT_PROFILE_DESC_LIST; + attr_list[3] = ATTR_ID_REMOTE_AUDIO_VOLUME_CONTROL; + num_attr = 4; + + uuid_list[0].uu.uuid16 = UUID_SERVCLASS_HEADSET; /* Legacy from HSP v1.0 */ + if (p_scb->hsp_version >= HSP_VERSION_1_2) + { + uuid_list[1].uu.uuid16 = UUID_SERVCLASS_HEADSET_HS; + num_uuid = 2; + } + } + /* HSP acceptor; no discovery */ + else + { + return; + } + + /* allocate buffer for sdp database */ + p_scb->p_disc_db = (tSDP_DISCOVERY_DB *) GKI_getbuf(BTA_AG_DISC_BUF_SIZE); + + if(p_scb->p_disc_db) + { + /* set up service discovery database; attr happens to be attr_list len */ + uuid_list[0].len = LEN_UUID_16; + uuid_list[1].len = LEN_UUID_16; + db_inited = SDP_InitDiscoveryDb(p_scb->p_disc_db, BTA_AG_DISC_BUF_SIZE, num_uuid, + uuid_list, num_attr, attr_list); + } + + if(db_inited) + { + /*Service discovery not initiated */ + db_inited = SDP_ServiceSearchAttributeRequest(p_scb->peer_addr, p_scb->p_disc_db, + bta_ag_sdp_cback_tbl[bta_ag_scb_to_idx(p_scb) - 1]); + } + + if(!db_inited) + { + /*free discover db */ + bta_ag_free_db(p_scb, NULL); + /* sent failed event */ + bta_ag_sm_execute(p_scb, BTA_AG_DISC_FAIL_EVT, NULL); + } + +} + +/******************************************************************************* +** +** Function bta_ag_free_db +** +** Description Free discovery database. +** +** +** Returns void +** +*******************************************************************************/ +void bta_ag_free_db(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) +{ + if (p_scb->p_disc_db != NULL) + { + GKI_freebuf(p_scb->p_disc_db); + p_scb->p_disc_db = NULL; + } +} |