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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_int.h"
#include "bta/bta_sys.h"
#include "bta/bta_ag_api.h"
#include "bta/bta_ag_co.h"
#include "stack/port_api.h"
#include "stack/l2c_api.h"
#include "bta_dm_int.h"
#include "bta/bta_sdp_api.h"
#include "bta/utl.h"
#include "common/bt_trace.h"
#include "osi/allocator.h"
#if (BTA_AG_INCLUDED == TRUE)
/*****************************************************************************
** 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.hdr.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.hdr.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_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 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)
{
UNUSED(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)
{
UNUSED(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;
/*Clear the BD address*/
bdcpy(p_scb->peer_addr, bd_addr_null);
/* 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_CLOSE close;
tBTA_SERVICE_MASK services;
int i, num_active_conn = 0;
UNUSED(p_data);
/* 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;
/* 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;
#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.hdr.handle = bta_ag_scb_to_idx(p_scb);
close.hdr.app_id = p_scb->app_id;
bdcpy(close.bd_addr, p_scb->peer_addr);
bta_sys_conn_close(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
/* 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 {
/* else close port and deallocate scb */
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_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 = {0};
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, FALSE, 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) && (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_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, tBTA_AG_DATA *p_data)
{
UINT16 len;
char buf[BTA_AG_RFC_READ_MAX];
UNUSED(p_data);
memset(buf, 0, BTA_AG_RFC_READ_MAX);
APPL_TRACE_DEBUG("bta_ag_rfc_data");
/* 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);
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, tBTA_AG_DATA *p_data)
{
tBTA_AG_CONN evt;
UNUSED(p_data);
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;
bdcpy(evt.bd_addr, p_scb->peer_addr);
#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 to RFCOMM
**
** 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 */
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);
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, tBTA_AG_DATA *p_data)
{
UNUSED(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)
{
#if (BTM_WBS_INCLUDED == TRUE)
UINT16 handle = p_data->api_setcodec.hdr.layer_specific;
tBTA_AG_PEER_CODEC codec_type = p_data->api_setcodec.codec;
tBTA_AG_VAL val;
val.hdr.handle = handle;
val.num = codec_type;
/* 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.hdr.status = BTA_AG_FAIL_RESOURCES;
APPL_TRACE_ERROR("%s error: unsupported codec type %d", __func__, 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.hdr.status = BTA_AG_SUCCESS;
APPL_TRACE_DEBUG("%s: Updated codec type %d", __func__, codec_type);
} else {
val.hdr.status = BTA_AG_FAIL_RESOURCES;
APPL_TRACE_ERROR("%s error: unsupported codec type %d",__func__, codec_type);
}
(*bta_ag_cb.p_cback)(BTA_AG_WBS_EVT, (tBTA_AG *) &val);
#endif
}
#endif /* #if (BTA_AG_INCLUDED == TRUE) */
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