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PL286/system/bt/bta/ag/bta_ag_act.cc

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/******************************************************************************
*
* 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 <string.h>
#include "bta_ag_api.h"
#include "bta_ag_co.h"
#include "bta_ag_int.h"
#include "bta_api.h"
#include "bta_dm_api.h"
#include "bta_sys.h"
#include "l2c_api.h"
#include "osi/include/osi.h"
#include "port_api.h"
#include "utl.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_t bta_ag_uuid[BTA_AG_NUM_IDX] = {
UUID_SERVCLASS_HEADSET_AUDIO_GATEWAY, UUID_SERVCLASS_AG_HANDSFREE};
const uint8_t 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_t cmd,
uint8_t arg_type, char* p_arg,
int16_t 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 */
open.bd_addr = p_data->api_open.bd_addr;
} else {
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*)&reg);
}
/*******************************************************************************
*
* 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) {
RawAddress pending_bd_addr;
/* store parameters */
if (p_data) {
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_t event = BTA_AG_DISC_FAIL_EVT;
APPL_TRACE_DEBUG("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 instead */
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, UNUSED_ATTR tBTA_AG_DATA* p_data) {
/* reopen registered servers */
bta_ag_start_servers(p_scb, p_scb->reg_services);
/* reinitialize stuff */
/* clear the remote BD address */
p_scb->peer_addr = RawAddress::kEmpty;
/* 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, UNUSED_ATTR tBTA_AG_DATA* p_data) {
/* reinitialize stuff */
p_scb->conn_handle = 0;
p_scb->conn_service = 0;
p_scb->peer_features = 0;
p_scb->peer_codecs = BTA_AG_CODEC_CVSD;
p_scb->sco_codec = BTA_AG_CODEC_CVSD;
p_scb->role = 0;
p_scb->svc_conn = false;
p_scb->hsp_version = HSP_VERSION_1_2;
/*Clear the BD address*/
p_scb->peer_addr = RawAddress::kEmpty;
/* 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, UNUSED_ATTR tBTA_AG_DATA* p_data) {
tBTA_AG_CLOSE close;
tBTA_SERVICE_MASK services;
int i, num_active_conn = 0;
/* reinitialize stuff */
p_scb->conn_service = 0;
p_scb->peer_features = 0;
p_scb->peer_codecs = BTA_AG_CODEC_CVSD;
p_scb->sco_codec = BTA_AG_CODEC_CVSD;
/* Clear these flags upon SLC teardown */
p_scb->codec_updated = false;
p_scb->codec_fallback = false;
p_scb->codec_msbc_settings = BTA_AG_SCO_MSBC_SETTINGS_T2;
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);
memset(&(p_scb->peer_hf_indicators), 0, sizeof(p_scb->peer_hf_indicators));
memset(&(p_scb->local_hf_indicators), 0, sizeof(p_scb->local_hf_indicators));
/* stop timers */
alarm_cancel(p_scb->ring_timer);
alarm_cancel(p_scb->codec_negotiation_timer);
close.hdr.handle = bta_ag_scb_to_idx(p_scb);
close.hdr.app_id = p_scb->app_id;
close.bd_addr = p_scb->peer_addr;
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.hdr.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 */
p_scb->peer_addr = RawAddress::kEmpty;
/* 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->ring_timer, p_bta_ag_cfg->conn_tout,
BTA_AG_SVC_TIMEOUT_EVT, bta_ag_scb_to_idx(p_scb));
} 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_t lcid;
int i;
tBTA_AG_SCB *ag_scb, *other_scb;
RawAddress dev_addr;
int status;
/* set role */
p_scb->role = BTA_AG_ACP;
APPL_TRACE_DEBUG("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_DEBUG(
"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 && alarm_is_scheduled(ag_scb->collision_timer)) {
alarm_cancel(ag_scb->collision_timer);
if (dev_addr == ag_scb->peer_addr) {
/* 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) {
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;
}
}
p_scb->peer_addr = dev_addr;
/* determine connected service from port handle */
for (i = 0; i < BTA_AG_NUM_IDX; i++) {
APPL_TRACE_DEBUG(
"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_DEBUG("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, UNUSED_ATTR tBTA_AG_DATA* p_data) {
uint16_t len;
char buf[BTA_AG_RFC_READ_MAX];
memset(buf, 0, BTA_AG_RFC_READ_MAX);
APPL_TRACE_DEBUG("%s", __func__);
/* 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_sys_busy(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
bta_ag_at_parse(&p_scb->at_cb, buf, len);
if ((p_scb->sco_idx != BTM_INVALID_SCO_INDEX) &&
bta_ag_sco_is_open(p_scb)) {
APPL_TRACE_DEBUG("%s change link policy for SCO", __func__);
bta_sys_sco_open(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
} else {
bta_sys_idle(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
}
/* 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, BT_TRANSPORT_BR_EDR);
/* 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,
UNUSED_ATTR 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;
alarm_cancel(p_scb->ring_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;
evt.bd_addr = p_scb->peer_addr;
evt.peer_codec = p_scb->peer_codecs;
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_t 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 */
APPL_TRACE_DEBUG("bta_ag_ci_rx_data:");
/* send to RFCOMM */
bta_sys_busy(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
PORT_WriteData(p_scb->conn_handle, p_data_area, strlen(p_data_area), &len);
if ((p_scb->sco_idx != BTM_INVALID_SCO_INDEX) && bta_ag_sco_is_open(p_scb)) {
APPL_TRACE_DEBUG("bta_ag_rfc_data, change link policy for SCO");
bta_sys_sco_open(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
} else {
bta_sys_idle(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
}
}
/*******************************************************************************
*
* 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,
UNUSED_ATTR tBTA_AG_DATA* p_data) {
APPL_TRACE_DEBUG("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);
}
}
/*******************************************************************************
*
* Function bta_ag_setcodec
*
* Description Handle API SetCodec
*
*
* Returns void
*
******************************************************************************/
void bta_ag_setcodec(tBTA_AG_SCB* p_scb, tBTA_AG_DATA* p_data) {
tBTA_AG_PEER_CODEC codec_type = p_data->api_setcodec.codec;
tBTA_AG_VAL val;
/** M: Bug Fix For Invalid index @{ */
// Set handle to avoid Invalid index in btif_hf_upstreams_evt
val.hdr.handle = bta_ag_scb_to_idx(p_scb);
/** @} */
/* 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)) {
val.num = codec_type;
val.hdr.status = BTA_AG_FAIL_RESOURCES;
APPL_TRACE_ERROR("bta_ag_setcodec error: unsupported codec type %d",
codec_type);
(*bta_ag_cb.p_cback)(BTA_AG_WBS_EVT, (tBTA_AG*)&val);
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;
val.num = codec_type;
val.hdr.status = BTA_AG_SUCCESS;
APPL_TRACE_DEBUG("bta_ag_setcodec: Updated codec type %d", codec_type);
} else {
val.num = codec_type;
val.hdr.status = BTA_AG_FAIL_RESOURCES;
APPL_TRACE_ERROR("bta_ag_setcodec error: unsupported codec type %d",
codec_type);
}
(*bta_ag_cb.p_cback)(BTA_AG_WBS_EVT, (tBTA_AG*)&val);
}