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components/bt/host/bluedroid/bta/hf_client/bta_hf_client_main.c
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/******************************************************************************
*
* Copyright (c) 2014 The Android Open Source Project
* 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.
*
******************************************************************************/
#include <string.h>
#include <stdlib.h>
#include "common/bt_defs.h"
#include "bta/bta_api.h"
#include "bta/bta_sys.h"
#include "bta/bta_hf_client_api.h"
#include "bta_hf_client_int.h"
#if BT_HF_CLIENT_BQB_INCLUDED
static BOOLEAN s_bta_hf_client_bqb_clip_flag = TRUE;
#endif /* BT_HF_CLIENT_BQB_INCLUDED */
#if (BTA_HF_INCLUDED == TRUE)
/* uncomment to enable extra debug */
/* #define BTA_HF_CLIENT_DEBUG TRUE */
#ifndef BTA_HF_CLIENT_DEBUG
#define BTA_HF_CLIENT_DEBUG FALSE
#endif
#if BTA_HF_CLIENT_DEBUG == TRUE
static char *bta_hf_client_evt_str(UINT16 event);
static char *bta_hf_client_state_str(UINT8 state);
#endif
/* state machine states */
enum {
BTA_HF_CLIENT_INIT_ST,
BTA_HF_CLIENT_OPENING_ST,
BTA_HF_CLIENT_OPEN_ST,
BTA_HF_CLIENT_CLOSING_ST
};
/* state machine action enumeration list */
enum {
BTA_HF_CLIENT_REGISTER,
BTA_HF_CLIENT_DEREGISTER,
BTA_HF_CLIENT_START_DEREG,
BTA_HF_CLIENT_RFC_DO_CLOSE,
BTA_HF_CLIENT_START_CLOSE,
BTA_HF_CLIENT_START_OPEN,
BTA_HF_CLIENT_RFC_ACP_OPEN,
BTA_HF_CLIENT_SCO_LISTEN,
BTA_HF_CLIENT_SCO_CONN_OPEN,
BTA_HF_CLIENT_SCO_CONN_CLOSE,
BTA_HF_CLIENT_SCO_OPEN,
BTA_HF_CLIENT_SCO_CLOSE,
BTA_HF_CLIENT_SCO_SHUTDOWN,
BTA_HF_CLIENT_FREE_DB,
BTA_HF_CLIENT_OPEN_FAIL,
BTA_HF_CLIENT_RFC_OPEN,
BTA_HF_CLIENT_RFC_FAIL,
BTA_HF_CLIENT_DISC_INT_RES,
BTA_HF_CLIENT_RFC_DO_OPEN,
BTA_HF_CLIENT_DISC_FAIL,
BTA_HF_CLIENT_RFC_CLOSE,
BTA_HF_CLIENT_RFC_DATA,
BTA_HF_CLIENT_DISC_ACP_RES,
BTA_HF_CLIENT_SVC_CONN_OPEN,
BTA_HF_CLIENT_SEND_AT_CMD,
#if (BTM_SCO_HCI_INCLUDED == TRUE)
BTA_HF_CLIENT_CI_SCO_DATA,
BTA_HF_CLIENT_PKT_STAT_NUMS,
#endif
BTA_HF_CLIENT_NUM_ACTIONS,
};
#define BTA_HF_CLIENT_IGNORE BTA_HF_CLIENT_NUM_ACTIONS
/* type for action functions */
typedef void (*tBTA_HF_CLIENT_ACTION)(tBTA_HF_CLIENT_DATA *p_data);
/* action functions table, indexed with action enum */
const tBTA_HF_CLIENT_ACTION bta_hf_client_action[] = {
/* BTA_HF_CLIENT_REGISTER */ bta_hf_client_register,
/* BTA_HF_CLIENT_DEREGISTER */ bta_hf_client_deregister,
/* BTA_HF_CLIENT_START_DEREG */ bta_hf_client_start_dereg,
/* BTA_HF_CLIENT_RFC_DO_CLOSE */ bta_hf_client_rfc_do_close,
/* BTA_HF_CLIENT_START_CLOSE */ bta_hf_client_start_close,
/* BTA_HF_CLIENT_START_OPEN */ bta_hf_client_start_open,
/* BTA_HF_CLIENT_RFC_ACP_OPEN */ bta_hf_client_rfc_acp_open,
/* BTA_HF_CLIENT_SCO_LISTEN */ bta_hf_client_sco_listen,
/* BTA_HF_CLIENT_SCO_CONN_OPEN */ bta_hf_client_sco_conn_open,
/* BTA_HF_CLIENT_SCO_CONN_CLOSE*/ bta_hf_client_sco_conn_close,
/* BTA_HF_CLIENT_SCO_OPEN */ bta_hf_client_sco_open,
/* BTA_HF_CLIENT_SCO_CLOSE */ bta_hf_client_sco_close,
/* BTA_HF_CLIENT_SCO_SHUTDOWN */ bta_hf_client_sco_shutdown,
/* BTA_HF_CLIENT_FREE_DB */ bta_hf_client_free_db,
/* BTA_HF_CLIENT_OPEN_FAIL */ bta_hf_client_open_fail,
/* BTA_HF_CLIENT_RFC_OPEN */ bta_hf_client_rfc_open,
/* BTA_HF_CLIENT_RFC_FAIL */ bta_hf_client_rfc_fail,
/* BTA_HF_CLIENT_DISC_INT_RES */ bta_hf_client_disc_int_res,
/* BTA_HF_CLIENT_RFC_DO_OPEN */ bta_hf_client_rfc_do_open,
/* BTA_HF_CLIENT_DISC_FAIL */ bta_hf_client_disc_fail,
/* BTA_HF_CLIENT_RFC_CLOSE */ bta_hf_client_rfc_close,
/* BTA_HF_CLIENT_RFC_DATA */ bta_hf_client_rfc_data,
/* BTA_HF_CLIENT_DISC_ACP_RES */ bta_hf_client_disc_acp_res,
/* BTA_HF_CLIENT_SVC_CONN_OPEN */ bta_hf_client_svc_conn_open,
/* BTA_HF_CLIENT_SEND_AT_CMD */ bta_hf_client_send_at_cmd,
#if (BTM_SCO_HCI_INCLUDED == TRUE)
/* BTA_HF_CLIENT_CI_SCO_DATA */ bta_hf_client_ci_sco_data,
/* BTA_HF_CLIENT_PKT_STAT_NUMS */ bta_hf_client_pkt_stat_nums,
#endif /* (BTM_SCO_HCI_INCLUDED == TRUE ) */
};
/* state table information */
#define BTA_HF_CLIENT_ACTIONS 2 /* number of actions */
#define BTA_HF_CLIENT_NEXT_STATE 2 /* position of next state */
#define BTA_HF_CLIENT_NUM_COLS 3 /* number of columns in state tables */
/* state table for init state */
const UINT8 bta_hf_client_st_init[][BTA_HF_CLIENT_NUM_COLS] = {
/* Event Action 1 Action 2 Next state */
/* API_REGISTER_EVT */ {BTA_HF_CLIENT_REGISTER, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* API_DEREGISTER_EVT */ {BTA_HF_CLIENT_DEREGISTER, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* API_OPEN_EVT */ {BTA_HF_CLIENT_START_OPEN, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPENING_ST},
/* API_CLOSE_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* API_AUDIO_OPEN_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* API_AUDIO_CLOSE_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* RFC_OPEN_EVT */ {BTA_HF_CLIENT_RFC_ACP_OPEN, BTA_HF_CLIENT_SCO_LISTEN, BTA_HF_CLIENT_OPEN_ST},
/* RFC_CLOSE_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* RFC_SRV_CLOSE_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* RFC_DATA_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* DISC_ACP_RES_EVT */ {BTA_HF_CLIENT_FREE_DB, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* DISC_INT_RES_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* DISC_OK_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* DISC_FAIL_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* SCO_OPEN_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* SCO_CLOSE_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* SEND_AT_CMD_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
#if (BTM_SCO_HCI_INCLUDED == TRUE )
/* CI_SCO_DATA_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* PKT_STAT_NUMS_GET_EVT */ {BTA_HF_CLIENT_PKT_STAT_NUMS, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
#endif /* (BTM_SCO_HCI_INCLUDED == TRUE ) */
};
/* state table for opening state */
const UINT8 bta_hf_client_st_opening[][BTA_HF_CLIENT_NUM_COLS] = {
/* Event Action 1 Action 2 Next state */
/* API_REGISTER_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPENING_ST},
/* API_DEREGISTER_EVT */ {BTA_HF_CLIENT_RFC_DO_CLOSE, BTA_HF_CLIENT_START_DEREG, BTA_HF_CLIENT_CLOSING_ST},
/* API_OPEN_EVT */ {BTA_HF_CLIENT_OPEN_FAIL, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPENING_ST},
/* API_CLOSE_EVT */ {BTA_HF_CLIENT_RFC_DO_CLOSE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* API_AUDIO_OPEN_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPENING_ST},
/* API_AUDIO_CLOSE_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPENING_ST},
/* RFC_OPEN_EVT */ {BTA_HF_CLIENT_RFC_OPEN, BTA_HF_CLIENT_SCO_LISTEN, BTA_HF_CLIENT_OPEN_ST},
/* RFC_CLOSE_EVT */ {BTA_HF_CLIENT_RFC_FAIL, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* RFC_SRV_CLOSE_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPENING_ST},
/* RFC_DATA_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPENING_ST},
/* DISC_ACP_RES_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPENING_ST},
/* DISC_INT_RES_EVT */ {BTA_HF_CLIENT_DISC_INT_RES, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPENING_ST},
/* DISC_OK_EVT */ {BTA_HF_CLIENT_RFC_DO_OPEN, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPENING_ST},
/* DISC_FAIL_EVT */ {BTA_HF_CLIENT_DISC_FAIL, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* SCO_OPEN_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPENING_ST},
/* SCO_CLOSE_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPENING_ST},
/* SEND_AT_CMD_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPENING_ST},
#if (BTM_SCO_HCI_INCLUDED == TRUE)
/* CI_SCO_DATA_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPENING_ST},
/* PKT_STAT_NUMS_GET_EVT */ {BTA_HF_CLIENT_PKT_STAT_NUMS, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPENING_ST},
#endif /* (BTM_SCO_HCI_INCLUDED == TRUE ) */
};
/* state table for open state */
const UINT8 bta_hf_client_st_open[][BTA_HF_CLIENT_NUM_COLS] = {
/* Event Action 1 Action 2 Next state */
/* API_REGISTER_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
/* API_DEREGISTER_EVT */ {BTA_HF_CLIENT_START_CLOSE, BTA_HF_CLIENT_START_DEREG, BTA_HF_CLIENT_CLOSING_ST},
/* API_OPEN_EVT */ {BTA_HF_CLIENT_OPEN_FAIL, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
/* API_CLOSE_EVT */ {BTA_HF_CLIENT_START_CLOSE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* API_AUDIO_OPEN_EVT */ {BTA_HF_CLIENT_SCO_OPEN, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
/* API_AUDIO_CLOSE_EVT */ {BTA_HF_CLIENT_SCO_CLOSE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
/* RFC_OPEN_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
/* RFC_CLOSE_EVT */ {BTA_HF_CLIENT_RFC_CLOSE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* RFC_SRV_CLOSE_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
/* RFC_DATA_EVT */ {BTA_HF_CLIENT_RFC_DATA, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
/* DISC_ACP_RES_EVT */ {BTA_HF_CLIENT_DISC_ACP_RES, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
/* DISC_INT_RES_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
/* DISC_OK_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
/* DISC_FAIL_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
/* SCO_OPEN_EVT */ {BTA_HF_CLIENT_SCO_CONN_OPEN, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
/* SCO_CLOSE_EVT */ {BTA_HF_CLIENT_SCO_CONN_CLOSE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
/* SEND_AT_CMD_EVT */ {BTA_HF_CLIENT_SEND_AT_CMD, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
#if (BTM_SCO_HCI_INCLUDED == TRUE )
/* CI_SCO_DATA_EVT */ {BTA_HF_CLIENT_CI_SCO_DATA, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
/* PKT_STAT_NUMS_GET_EVT */ {BTA_HF_CLIENT_PKT_STAT_NUMS, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_OPEN_ST},
#endif /* (BTM_SCO_HCI_INCLUDED == TRUE ) */
};
/* state table for closing state */
const UINT8 bta_hf_client_st_closing[][BTA_HF_CLIENT_NUM_COLS] = {
/* Event Action 1 Action 2 Next state */
/* API_REGISTER_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* API_DEREGISTER_EVT */ {BTA_HF_CLIENT_START_DEREG, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* API_OPEN_EVT */ {BTA_HF_CLIENT_OPEN_FAIL, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* API_CLOSE_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* API_AUDIO_OPEN_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* API_AUDIO_CLOSE_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* RFC_OPEN_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* RFC_CLOSE_EVT */ {BTA_HF_CLIENT_RFC_CLOSE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* RFC_SRV_CLOSE_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* RFC_DATA_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* DISC_ACP_RES_EVT */ {BTA_HF_CLIENT_FREE_DB, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* DISC_INT_RES_EVT */ {BTA_HF_CLIENT_FREE_DB, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_INIT_ST},
/* DISC_OK_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* DISC_FAIL_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* SCO_OPEN_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* SCO_CLOSE_EVT */ {BTA_HF_CLIENT_SCO_CONN_CLOSE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* SEND_AT_CMD_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
#if (BTM_SCO_HCI_INCLUDED == TRUE )
/* CI_SCO_DATA_EVT */ {BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
/* PKT_STAT_NUMS_GET_EVT */ {BTA_HF_CLIENT_PKT_STAT_NUMS, BTA_HF_CLIENT_IGNORE, BTA_HF_CLIENT_CLOSING_ST},
#endif /* (BTM_SCO_HCI_INCLUDED == TRUE ) */
};
/* type for state table */
typedef const UINT8 (*tBTA_HF_CLIENT_ST_TBL)[BTA_HF_CLIENT_NUM_COLS];
/* state table */
const tBTA_HF_CLIENT_ST_TBL bta_hf_client_st_tbl[] = {
bta_hf_client_st_init,
bta_hf_client_st_opening,
bta_hf_client_st_open,
bta_hf_client_st_closing
};
const int bta_hf_client_version = HFP_HF_VERSION_1_7;
/* HF Client control block */
#if BTA_DYNAMIC_MEMORY == FALSE
tBTA_HF_CLIENT_CB bta_hf_client_cb;
#else
tBTA_HF_CLIENT_CB *bta_hf_client_cb_ptr;
#endif
/*******************************************************************************
**
** Function bta_hf_client_bqb_clip_ctrl
**
** Description Control if send the command AT+CLIP for BQB test
**
** Returns void
**
*******************************************************************************/
#if BT_HF_CLIENT_BQB_INCLUDED
void bta_hf_client_bqb_clip_ctrl(BOOLEAN enable)
{
s_bta_hf_client_bqb_clip_flag = enable;
}
#endif /* BT_HF_CLIENT_BQB_INCLUDED */
/*******************************************************************************
**
** Function bta_hf_client_scb_init
**
** Description Initialize an HF_Client service control block.
**
**
** Returns void
**
*******************************************************************************/
void bta_hf_client_scb_init(void)
{
APPL_TRACE_DEBUG("%s", __FUNCTION__);
memset(&bta_hf_client_cb.scb, 0, sizeof(tBTA_HF_CLIENT_SCB));
bta_hf_client_cb.scb.sco_idx = BTM_INVALID_SCO_INDEX;
bta_hf_client_cb.scb.negotiated_codec = BTM_SCO_CODEC_CVSD;
}
/*******************************************************************************
**
** Function bta_hf_client_scb_disable
**
** Description Disable a service control block.
**
**
** Returns void
**
*******************************************************************************/
void bta_hf_client_scb_disable(void)
{
APPL_TRACE_DEBUG("%s", __FUNCTION__);
bta_hf_client_scb_init();
(*bta_hf_client_cb.p_cback)(BTA_HF_CLIENT_DISABLE_EVT, NULL);
}
/*******************************************************************************
**
** Function bta_hf_client_resume_open
**
** Description Resume opening process.
**
**
** Returns void
**
*******************************************************************************/
void bta_hf_client_resume_open (void)
{
APPL_TRACE_DEBUG ("%s", __FUNCTION__);
/* resume opening process. */
if (bta_hf_client_cb.scb.state == BTA_HF_CLIENT_INIT_ST) {
bta_hf_client_cb.scb.state = BTA_HF_CLIENT_OPENING_ST;
bta_hf_client_start_open (NULL);
}
}
/*******************************************************************************
**
** Function bta_hf_client_colli_timer_cback
**
** Description HF Client connection collision timer callback
**
**
** Returns void
**
*******************************************************************************/
static void bta_hf_client_colli_timer_cback (TIMER_LIST_ENT *p_tle)
{
APPL_TRACE_DEBUG("%s", __FUNCTION__);
if (p_tle) {
bta_hf_client_cb.scb.colli_tmr_on = FALSE;
/* If the peer haven't opened connection, restart opening process */
bta_hf_client_resume_open ();
}
}
/*******************************************************************************
**
** Function bta_hf_client_collision_cback
**
** Description Get notified about collision.
**
**
** Returns void
**
*******************************************************************************/
void bta_hf_client_collision_cback (tBTA_SYS_CONN_STATUS status, UINT8 id,
UINT8 app_id, BD_ADDR peer_addr)
{
UNUSED(status);
UNUSED(app_id);
UNUSED(peer_addr);
if (bta_hf_client_cb.scb.state == BTA_HF_CLIENT_OPENING_ST) {
if (id == BTA_ID_SYS) { /* ACL collision */
APPL_TRACE_WARNING ("HF Client found collision (ACL) ...");
} else if (id == BTA_ID_HS) { /* RFCOMM collision */
APPL_TRACE_WARNING ("HF Client found collision (RFCOMM) ...");
} else {
APPL_TRACE_WARNING ("HF Client found collision (\?\?\?) ...");
}
bta_hf_client_cb.scb.state = BTA_HF_CLIENT_INIT_ST;
/* Cancel SDP if it had been started. */
if (bta_hf_client_cb.scb.p_disc_db) {
(void)SDP_CancelServiceSearch (bta_hf_client_cb.scb.p_disc_db);
bta_hf_client_free_db(NULL);
}
/* reopen registered server */
/* Collision may be detected before or after we close servers. */
bta_hf_client_start_server();
/* Start timer to handle connection opening restart */
bta_hf_client_cb.scb.colli_timer.p_cback = (TIMER_CBACK *)&bta_hf_client_colli_timer_cback;
bta_sys_start_timer(&bta_hf_client_cb.scb.colli_timer, 0, BTA_HF_CLIENT_COLLISION_TIMER);
bta_hf_client_cb.scb.colli_tmr_on = TRUE;
}
}
/*******************************************************************************
**
** Function bta_hf_client_api_enable
**
** Description Handle an API enable event.
**
**
** Returns void
**
*******************************************************************************/
static void bta_hf_client_api_enable(tBTA_HF_CLIENT_DATA *p_data)
{
/* initialize control block */
memset(&bta_hf_client_cb, 0, sizeof(tBTA_HF_CLIENT_CB));
/* store callback function */
bta_hf_client_cb.p_cback = p_data->api_enable.p_cback;
/* check if mSBC support enabled */
if (bta_hf_client_version >= HFP_HF_VERSION_1_6) {
#if (BTM_WBS_INCLUDED == TRUE)
bta_hf_client_cb.msbc_enabled = TRUE;
#else
bta_hf_client_cb.msbc_enabled = FALSE;
#endif
} else{
bta_hf_client_cb.msbc_enabled = FALSE;
}
bta_hf_client_cb.scb.negotiated_codec = BTM_SCO_CODEC_CVSD;
/* set same setting as AG does */
BTM_WriteVoiceSettings(AG_VOICE_SETTINGS);
bta_sys_collision_register (BTA_ID_HS, bta_hf_client_collision_cback);
/* call callback with enable event */
(*bta_hf_client_cb.p_cback)(BTA_HF_CLIENT_ENABLE_EVT, NULL);
}
/*******************************************************************************
**
** Function bta_hf_client_api_disable
**
** Description Handle an API disable event.
**
**
** Returns void
**
*******************************************************************************/
static void bta_hf_client_api_disable(tBTA_HF_CLIENT_DATA *p_data)
{
if (!bta_sys_is_register (BTA_ID_HS)) {
APPL_TRACE_ERROR("BTA HF Client is already disabled, ignoring ...");
return;
}
/* De-register with BTA system manager */
bta_sys_deregister(BTA_ID_HS);
bta_hf_client_sm_execute(BTA_HF_CLIENT_API_DEREGISTER_EVT, p_data);
bta_sys_collision_register (BTA_ID_HS, NULL);
}
/*******************************************************************************
**
** Function bta_hf_client_hdl_event
**
** Description Data HF Client main event handling function.
**
**
** Returns BOOLEAN
**
*******************************************************************************/
BOOLEAN bta_hf_client_hdl_event(BT_HDR *p_msg)
{
#if BTA_HF_CLIENT_DEBUG == TRUE
APPL_TRACE_DEBUG("bta_hf_client_hdl_event %s (0x%x)", bta_hf_client_evt_str(p_msg->event), p_msg->event);
#endif
switch (p_msg->event) {
/* handle enable event */
case BTA_HF_CLIENT_API_ENABLE_EVT:
bta_hf_client_api_enable((tBTA_HF_CLIENT_DATA *) p_msg);
break;
/* handle disable event */
case BTA_HF_CLIENT_API_DISABLE_EVT:
bta_hf_client_api_disable((tBTA_HF_CLIENT_DATA *) p_msg);
break;
default:
bta_hf_client_sm_execute(p_msg->event, (tBTA_HF_CLIENT_DATA *) p_msg);
break;
}
return TRUE;
}
/*******************************************************************************
**
** Function bta_hf_client_sm_execute
**
** Description State machine event handling function for HF Client
**
**
** Returns void
**
*******************************************************************************/
void bta_hf_client_sm_execute(UINT16 event, tBTA_HF_CLIENT_DATA *p_data)
{
tBTA_HF_CLIENT_ST_TBL state_table;
UINT8 action;
int i;
#if BTA_HF_CLIENT_DEBUG == TRUE
UINT16 in_event = event;
UINT8 in_state = bta_hf_client_cb.scb.state;
/* Ignore displaying of AT results when not connected (Ignored in state machine) */
if (bta_hf_client_cb.scb.state == BTA_HF_CLIENT_OPEN_ST) {
APPL_TRACE_EVENT("HF Client evt : State %d (%s), Event 0x%04x (%s)",
bta_hf_client_cb.scb.state,
bta_hf_client_state_str(bta_hf_client_cb.scb.state),
event, bta_hf_client_evt_str(event));
}
#endif
event &= 0x00FF;
if (event >= (BTA_HF_CLIENT_MAX_EVT & 0x00FF)) {
APPL_TRACE_ERROR("HF Client evt out of range, ignoring...");
return;
}
/* look up the state table for the current state */
state_table = bta_hf_client_st_tbl[bta_hf_client_cb.scb.state];
/* set next state */
bta_hf_client_cb.scb.state = state_table[event][BTA_HF_CLIENT_NEXT_STATE];
/* execute action functions */
for (i = 0; i < BTA_HF_CLIENT_ACTIONS; i++) {
if ((action = state_table[event][i]) != BTA_HF_CLIENT_IGNORE) {
(*bta_hf_client_action[action])(p_data);
} else {
break;
}
}
#if BTA_HF_CLIENT_DEBUG == TRUE
if (bta_hf_client_cb.scb.state != in_state) {
APPL_TRACE_EVENT("BTA HF Client State Change: [%s] -> [%s] after Event [%s]",
bta_hf_client_state_str(in_state),
bta_hf_client_state_str(bta_hf_client_cb.scb.state),
bta_hf_client_evt_str(in_event));
}
#endif
}
static void send_post_slc_cmd(void)
{
bta_hf_client_cb.scb.at_cb.current_cmd = BTA_HF_CLIENT_AT_NONE;
bta_hf_client_send_at_bia();
bta_hf_client_send_at_ccwa(TRUE);
bta_hf_client_send_at_cmee(TRUE);
bta_hf_client_send_at_cops(FALSE);
bta_hf_client_send_at_btrh(TRUE, 0);
#if BT_HF_CLIENT_BQB_INCLUDED
if (s_bta_hf_client_bqb_clip_flag == TRUE) {
bta_hf_client_send_at_clip(TRUE);
}
#else
bta_hf_client_send_at_clip(TRUE);
#endif /* BT_HF_CLIENT_BQB_INCLUDED */
}
/*******************************************************************************
**
** Function bta_hf_client_slc_seq
**
** Description Handles AT commands sequence required for SLC creation
**
**
** Returns void
**
*******************************************************************************/
void bta_hf_client_slc_seq(BOOLEAN error)
{
APPL_TRACE_DEBUG("bta_hf_client_slc_seq cmd: %u", bta_hf_client_cb.scb.at_cb.current_cmd);
if (error) {
/* SLC establishment error, sent close rfcomm event */
APPL_TRACE_ERROR("HFPClient: Failed to create SLC due to AT error, disconnecting (%u)",
bta_hf_client_cb.scb.at_cb.current_cmd);
bta_hf_client_sm_execute(BTA_HF_CLIENT_API_CLOSE_EVT, NULL);
return;
}
if (bta_hf_client_cb.scb.svc_conn) {
return;
}
switch (bta_hf_client_cb.scb.at_cb.current_cmd) {
case BTA_HF_CLIENT_AT_NONE:
bta_hf_client_send_at_brsf();
break;
case BTA_HF_CLIENT_AT_BRSF:
if (bta_hf_client_cb.scb.peer_features & BTA_HF_CLIENT_PEER_CODEC) {
bta_hf_client_send_at_bac();
break;
}
bta_hf_client_send_at_cind(FALSE);
break;
case BTA_HF_CLIENT_AT_BAC:
bta_hf_client_send_at_cind(FALSE);
break;
case BTA_HF_CLIENT_AT_CIND:
bta_hf_client_send_at_cind(TRUE);
break;
case BTA_HF_CLIENT_AT_CIND_STATUS:
bta_hf_client_send_at_cmer(TRUE);
break;
case BTA_HF_CLIENT_AT_CMER:
if (bta_hf_client_cb.scb.peer_features & BTA_HF_CLIENT_PEER_FEAT_3WAY) {
bta_hf_client_send_at_chld('?', 0);
} else {
bta_hf_client_svc_conn_open(NULL);
send_post_slc_cmd();
}
break;
case BTA_HF_CLIENT_AT_CHLD:
bta_hf_client_svc_conn_open(NULL);
send_post_slc_cmd();
break;
default:
/* If happen there is a bug in SLC creation procedure... */
APPL_TRACE_ERROR("HFPClient: Failed to create SLCdue to unexpected AT command, disconnecting (%u)",
bta_hf_client_cb.scb.at_cb.current_cmd);
bta_hf_client_sm_execute(BTA_HF_CLIENT_API_CLOSE_EVT, NULL);
break;
}
}
#if BTA_HF_CLIENT_DEBUG == TRUE
#ifndef CASE_RETURN_STR
#define CASE_RETURN_STR(const) case const: return #const;
#endif
static char *bta_hf_client_evt_str(UINT16 event)
{
switch (event) {
CASE_RETURN_STR(BTA_HF_CLIENT_API_REGISTER_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_API_DEREGISTER_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_API_OPEN_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_API_CLOSE_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_API_AUDIO_OPEN_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_API_AUDIO_CLOSE_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_RFC_OPEN_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_RFC_CLOSE_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_RFC_SRV_CLOSE_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_RFC_DATA_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_DISC_ACP_RES_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_DISC_INT_RES_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_DISC_OK_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_DISC_FAIL_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_API_ENABLE_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_API_DISABLE_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_SCO_OPEN_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_SCO_CLOSE_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_SEND_AT_CMD_EVT)
CASE_RETURN_STR(BTA_HF_CLIENT_PKT_NUMS_GET_EVT)
default:
return "Unknown HF Client Event";
}
}
static char *bta_hf_client_state_str(UINT8 state)
{
switch (state) {
CASE_RETURN_STR(BTA_HF_CLIENT_INIT_ST)
CASE_RETURN_STR(BTA_HF_CLIENT_OPENING_ST)
CASE_RETURN_STR(BTA_HF_CLIENT_OPEN_ST)
CASE_RETURN_STR(BTA_HF_CLIENT_CLOSING_ST)
default:
return "Unknown HF Client State";
}
}
#endif
#endif /* #if (BTA_HF_INCLUDED == TRUE) */
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