599 lines
30 KiB
C
Executable file
599 lines
30 KiB
C
Executable file
/******************************************************************************
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*
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* Copyright (C) 2004-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* This is the stream state machine for the BTA advanced audio/video.
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*
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******************************************************************************/
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#include "bt_target.h"
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#if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE)
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#include <string.h>
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#include "bta_av_co.h"
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#include "bta_av_int.h"
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/*****************************************************************************
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** Constants and types
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*****************************************************************************/
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/* state machine states */
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enum
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{
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BTA_AV_INIT_SST,
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BTA_AV_INCOMING_SST,
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BTA_AV_OPENING_SST,
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BTA_AV_OPEN_SST,
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BTA_AV_RCFG_SST,
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BTA_AV_CLOSING_SST
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};
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/* state machine action enumeration list */
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enum
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{
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BTA_AV_DO_DISC,
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BTA_AV_CLEANUP,
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BTA_AV_FREE_SDB,
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BTA_AV_CONFIG_IND,
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BTA_AV_DISCONNECT_REQ,
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BTA_AV_SECURITY_REQ,
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BTA_AV_SECURITY_RSP,
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BTA_AV_SETCONFIG_RSP,
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BTA_AV_ST_RC_TIMER,
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BTA_AV_STR_OPENED,
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BTA_AV_SECURITY_IND,
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BTA_AV_SECURITY_CFM,
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BTA_AV_DO_CLOSE,
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BTA_AV_CONNECT_REQ,
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BTA_AV_SDP_FAILED,
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BTA_AV_DISC_RESULTS,
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BTA_AV_DISC_RES_AS_ACP,
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BTA_AV_OPEN_FAILED,
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BTA_AV_GETCAP_RESULTS,
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BTA_AV_SETCONFIG_REJ,
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BTA_AV_DISCOVER_REQ,
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BTA_AV_CONN_FAILED,
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BTA_AV_DO_START,
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BTA_AV_STR_STOPPED,
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BTA_AV_RECONFIG,
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BTA_AV_DATA_PATH,
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BTA_AV_START_OK,
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BTA_AV_START_FAILED,
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BTA_AV_STR_CLOSED,
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BTA_AV_CLR_CONG,
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BTA_AV_SUSPEND_CFM,
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BTA_AV_RCFG_STR_OK,
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BTA_AV_RCFG_FAILED,
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BTA_AV_RCFG_CONNECT,
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BTA_AV_RCFG_DISCNTD,
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BTA_AV_SUSPEND_CONT,
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BTA_AV_RCFG_CFM,
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BTA_AV_RCFG_OPEN,
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BTA_AV_SECURITY_REJ,
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BTA_AV_OPEN_RC,
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BTA_AV_CHK_2ND_START,
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BTA_AV_SAVE_CAPS,
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BTA_AV_SET_USE_RC,
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BTA_AV_CCO_CLOSE,
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BTA_AV_SWITCH_ROLE,
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BTA_AV_ROLE_RES,
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BTA_AV_DELAY_CO,
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BTA_AV_OPEN_AT_INC,
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BTA_AV_NUM_SACTIONS
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};
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#define BTA_AV_SIGNORE BTA_AV_NUM_SACTIONS
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/* state table information */
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/* #define BTA_AV_SACTION_COL 0 position of actions */
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#define BTA_AV_SACTIONS 2 /* number of actions */
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#define BTA_AV_SNEXT_STATE 2 /* position of next state */
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#define BTA_AV_NUM_COLS 3 /* number of columns in state tables */
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/* state table for init state */
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static const UINT8 bta_av_sst_init[][BTA_AV_NUM_COLS] =
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{
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/* Event Action 1 Action 2 Next state */
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/* AP_OPEN_EVT */ {BTA_AV_DO_DISC, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* AP_CLOSE_EVT */ {BTA_AV_CLEANUP, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* AP_START_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* AP_STOP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* API_RECONFIG_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* API_PROTECT_REQ_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* API_PROTECT_RSP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* API_RC_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* SRC_DATA_READY_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* SDP_DISC_OK_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* SDP_DISC_FAIL_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* STR_DISC_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* STR_DISC_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* STR_GETCAP_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* STR_GETCAP_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* STR_OPEN_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* STR_OPEN_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* STR_START_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* STR_START_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* STR_CLOSE_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* STR_CONFIG_IND_EVT */ {BTA_AV_SETCONFIG_REJ, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* STR_SECURITY_IND_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* STR_SECURITY_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* STR_WRITE_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* STR_SUSPEND_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* STR_RECONFIG_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* AVRC_TIMER_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* AVDT_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* AVDT_DISCONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* ROLE_CHANGE_EVT*/ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* AVDT_DELAY_RPT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* ACP_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }
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};
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/* state table for incoming state */
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static const UINT8 bta_av_sst_incoming[][BTA_AV_NUM_COLS] =
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{
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/* Event Action 1 Action 2 Next state */
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/* AP_OPEN_EVT */ {BTA_AV_OPEN_AT_INC, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* AP_CLOSE_EVT */ {BTA_AV_CCO_CLOSE, BTA_AV_DISCONNECT_REQ, BTA_AV_CLOSING_SST },
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/* AP_START_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* AP_STOP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* API_RECONFIG_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* API_PROTECT_REQ_EVT */ {BTA_AV_SECURITY_REQ, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* API_PROTECT_RSP_EVT */ {BTA_AV_SECURITY_RSP, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* API_RC_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* SRC_DATA_READY_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SETCONFIG_RSP, BTA_AV_ST_RC_TIMER, BTA_AV_INCOMING_SST },
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/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SETCONFIG_REJ, BTA_AV_CLEANUP, BTA_AV_INIT_SST },
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/* SDP_DISC_OK_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* SDP_DISC_FAIL_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* STR_DISC_OK_EVT */ {BTA_AV_DISC_RES_AS_ACP,BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* STR_DISC_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* STR_GETCAP_OK_EVT */ {BTA_AV_SAVE_CAPS, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* STR_GETCAP_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* STR_OPEN_OK_EVT */ {BTA_AV_STR_OPENED, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* STR_OPEN_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* STR_START_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* STR_START_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* STR_CLOSE_EVT */ {BTA_AV_CCO_CLOSE, BTA_AV_CLEANUP, BTA_AV_INIT_SST },
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/* STR_CONFIG_IND_EVT */ {BTA_AV_CONFIG_IND, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* STR_SECURITY_IND_EVT */ {BTA_AV_SECURITY_IND, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* STR_SECURITY_CFM_EVT */ {BTA_AV_SECURITY_CFM, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* STR_WRITE_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* STR_SUSPEND_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* STR_RECONFIG_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* AVRC_TIMER_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* AVDT_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* AVDT_DISCONNECT_EVT */ {BTA_AV_CCO_CLOSE, BTA_AV_CLEANUP, BTA_AV_INIT_SST },
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/* ROLE_CHANGE_EVT*/ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* AVDT_DELAY_RPT_EVT */ {BTA_AV_DELAY_CO, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* ACP_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }
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};
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/* state table for opening state */
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static const UINT8 bta_av_sst_opening[][BTA_AV_NUM_COLS] =
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{
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/* Event Action 1 Action 2 Next state */
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/* AP_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* AP_CLOSE_EVT */ {BTA_AV_DO_CLOSE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
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/* AP_START_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* AP_STOP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* API_RECONFIG_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* API_PROTECT_REQ_EVT */ {BTA_AV_SECURITY_REQ, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* API_PROTECT_RSP_EVT */ {BTA_AV_SECURITY_RSP, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* API_RC_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* SRC_DATA_READY_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* SDP_DISC_OK_EVT */ {BTA_AV_CONNECT_REQ, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* SDP_DISC_FAIL_EVT */ {BTA_AV_CONNECT_REQ, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* STR_DISC_OK_EVT */ {BTA_AV_DISC_RESULTS, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* STR_DISC_FAIL_EVT */ {BTA_AV_OPEN_FAILED, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
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/* STR_GETCAP_OK_EVT */ {BTA_AV_GETCAP_RESULTS, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* STR_GETCAP_FAIL_EVT */ {BTA_AV_OPEN_FAILED, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
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/* STR_OPEN_OK_EVT */ {BTA_AV_ST_RC_TIMER, BTA_AV_STR_OPENED, BTA_AV_OPEN_SST },
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/* STR_OPEN_FAIL_EVT */ {BTA_AV_OPEN_FAILED, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
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/* STR_START_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* STR_START_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* STR_CLOSE_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* STR_CONFIG_IND_EVT */ {BTA_AV_CONFIG_IND, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
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/* STR_SECURITY_IND_EVT */ {BTA_AV_SECURITY_IND, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* STR_SECURITY_CFM_EVT */ {BTA_AV_SECURITY_CFM, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* STR_WRITE_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* STR_SUSPEND_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* STR_RECONFIG_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* AVRC_TIMER_EVT */ {BTA_AV_SWITCH_ROLE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* AVDT_CONNECT_EVT */ {BTA_AV_DISCOVER_REQ, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* AVDT_DISCONNECT_EVT */ {BTA_AV_CONN_FAILED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
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/* ROLE_CHANGE_EVT*/ {BTA_AV_ROLE_RES, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* AVDT_DELAY_RPT_EVT */ {BTA_AV_DELAY_CO, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
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/* ACP_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }
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};
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/* state table for open state */
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static const UINT8 bta_av_sst_open[][BTA_AV_NUM_COLS] =
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{
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/* Event Action 1 Action 2 Next state */
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/* AP_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* AP_CLOSE_EVT */ {BTA_AV_DO_CLOSE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
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/* AP_START_EVT */ {BTA_AV_DO_START, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* AP_STOP_EVT */ {BTA_AV_STR_STOPPED, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* API_RECONFIG_EVT */ {BTA_AV_RECONFIG, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
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/* API_PROTECT_REQ_EVT */ {BTA_AV_SECURITY_REQ, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* API_PROTECT_RSP_EVT */ {BTA_AV_SECURITY_RSP, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* API_RC_OPEN_EVT */ {BTA_AV_SET_USE_RC, BTA_AV_OPEN_RC, BTA_AV_OPEN_SST },
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/* SRC_DATA_READY_EVT */ {BTA_AV_DATA_PATH, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* SDP_DISC_OK_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* SDP_DISC_FAIL_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* STR_DISC_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* STR_DISC_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* STR_GETCAP_OK_EVT */ {BTA_AV_SAVE_CAPS, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* STR_GETCAP_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* STR_OPEN_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* STR_OPEN_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* STR_START_OK_EVT */ {BTA_AV_START_OK, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
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/* STR_START_FAIL_EVT */ {BTA_AV_START_FAILED, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
|
|
/* STR_CLOSE_EVT */ {BTA_AV_STR_CLOSED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
|
|
/* STR_CONFIG_IND_EVT */ {BTA_AV_SETCONFIG_REJ, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
|
|
/* STR_SECURITY_IND_EVT */ {BTA_AV_SECURITY_IND, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
|
|
/* STR_SECURITY_CFM_EVT */ {BTA_AV_SECURITY_CFM, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
|
|
/* STR_WRITE_CFM_EVT */ {BTA_AV_CLR_CONG, BTA_AV_DATA_PATH, BTA_AV_OPEN_SST },
|
|
/* STR_SUSPEND_CFM_EVT */ {BTA_AV_SUSPEND_CFM, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
|
|
/* STR_RECONFIG_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
|
|
/* AVRC_TIMER_EVT */ {BTA_AV_OPEN_RC, BTA_AV_CHK_2ND_START, BTA_AV_OPEN_SST },
|
|
/* AVDT_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
|
|
/* AVDT_DISCONNECT_EVT */ {BTA_AV_STR_CLOSED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
|
|
/* ROLE_CHANGE_EVT*/ {BTA_AV_ROLE_RES, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
|
|
/* AVDT_DELAY_RPT_EVT */ {BTA_AV_DELAY_CO, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
|
|
/* ACP_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }
|
|
};
|
|
|
|
/* state table for reconfig state */
|
|
static const UINT8 bta_av_sst_rcfg[][BTA_AV_NUM_COLS] =
|
|
{
|
|
/* Event Action 1 Action 2 Next state */
|
|
/* AP_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* AP_CLOSE_EVT */ {BTA_AV_DISCONNECT_REQ, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* AP_START_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* AP_STOP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* API_RECONFIG_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* API_PROTECT_REQ_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* API_PROTECT_RSP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* API_RC_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* SRC_DATA_READY_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* SDP_DISC_OK_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* SDP_DISC_FAIL_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* STR_DISC_OK_EVT */ {BTA_AV_DISC_RESULTS, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* STR_DISC_FAIL_EVT */ {BTA_AV_STR_CLOSED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
|
|
/* STR_GETCAP_OK_EVT */ {BTA_AV_GETCAP_RESULTS, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* STR_GETCAP_FAIL_EVT */ {BTA_AV_STR_CLOSED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
|
|
/* STR_OPEN_OK_EVT */ {BTA_AV_RCFG_STR_OK, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
|
|
/* STR_OPEN_FAIL_EVT */ {BTA_AV_RCFG_FAILED, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* STR_START_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* STR_START_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* STR_CLOSE_EVT */ {BTA_AV_RCFG_CONNECT, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* STR_CONFIG_IND_EVT */ {BTA_AV_SETCONFIG_REJ, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* STR_SECURITY_IND_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* STR_SECURITY_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* STR_WRITE_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* STR_SUSPEND_CFM_EVT */ {BTA_AV_SUSPEND_CONT, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* STR_RECONFIG_CFM_EVT */ {BTA_AV_RCFG_CFM, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* AVRC_TIMER_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* AVDT_CONNECT_EVT */ {BTA_AV_RCFG_OPEN, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* AVDT_DISCONNECT_EVT */ {BTA_AV_RCFG_DISCNTD, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* ROLE_CHANGE_EVT*/ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* AVDT_DELAY_RPT_EVT */ {BTA_AV_DELAY_CO, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
|
|
/* ACP_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST }
|
|
};
|
|
|
|
/* state table for closing state */
|
|
static const UINT8 bta_av_sst_closing[][BTA_AV_NUM_COLS] =
|
|
{
|
|
/* Event Action 1 Action 2 Next state */
|
|
/* AP_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* AP_CLOSE_EVT */ {BTA_AV_DISCONNECT_REQ, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* AP_START_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* AP_STOP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* API_RECONFIG_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* API_PROTECT_REQ_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* API_PROTECT_RSP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* API_RC_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* SRC_DATA_READY_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* SDP_DISC_OK_EVT */ {BTA_AV_SDP_FAILED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
|
|
/* SDP_DISC_FAIL_EVT */ {BTA_AV_SDP_FAILED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
|
|
/* STR_DISC_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* STR_DISC_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* STR_GETCAP_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* STR_GETCAP_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* STR_OPEN_OK_EVT */ {BTA_AV_DO_CLOSE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* STR_OPEN_FAIL_EVT */ {BTA_AV_DISCONNECT_REQ, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* STR_START_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* STR_START_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* STR_CLOSE_EVT */ {BTA_AV_DISCONNECT_REQ, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* STR_CONFIG_IND_EVT */ {BTA_AV_SETCONFIG_REJ, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* STR_SECURITY_IND_EVT */ {BTA_AV_SECURITY_REJ, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* STR_SECURITY_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* STR_WRITE_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* STR_SUSPEND_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* STR_RECONFIG_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* AVRC_TIMER_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* AVDT_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* AVDT_DISCONNECT_EVT */ {BTA_AV_STR_CLOSED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
|
|
/* ROLE_CHANGE_EVT*/ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* AVDT_DELAY_RPT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
|
|
/* ACP_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST }
|
|
};
|
|
|
|
/* type for state table */
|
|
typedef const UINT8 (*tBTA_AV_SST_TBL)[BTA_AV_NUM_COLS];
|
|
|
|
/* state table */
|
|
static const tBTA_AV_SST_TBL bta_av_sst_tbl[] =
|
|
{
|
|
bta_av_sst_init,
|
|
bta_av_sst_incoming,
|
|
bta_av_sst_opening,
|
|
bta_av_sst_open,
|
|
bta_av_sst_rcfg,
|
|
bta_av_sst_closing
|
|
};
|
|
|
|
|
|
|
|
#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
|
|
static char *bta_av_sst_code(UINT8 state);
|
|
#endif
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_is_rcfg_sst
|
|
**
|
|
** Description Check if stream state machine is in reconfig state.
|
|
**
|
|
**
|
|
** Returns TRUE if stream state machine is in reconfig state.
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN bta_av_is_rcfg_sst (tBTA_AV_SCB *p_scb)
|
|
{
|
|
BOOLEAN is_rcfg_sst = FALSE;
|
|
|
|
if (p_scb != NULL)
|
|
{
|
|
if (p_scb->state == BTA_AV_RCFG_SST)
|
|
is_rcfg_sst = TRUE;
|
|
}
|
|
|
|
return is_rcfg_sst;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_ssm_execute
|
|
**
|
|
** Description Stream state machine event handling function for AV
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_av_ssm_execute(tBTA_AV_SCB *p_scb, UINT16 event, tBTA_AV_DATA *p_data)
|
|
{
|
|
tBTA_AV_SST_TBL state_table;
|
|
UINT8 action;
|
|
int i, xx;
|
|
|
|
if(p_scb == NULL)
|
|
{
|
|
/* this stream is not registered */
|
|
APPL_TRACE_EVENT("AV channel not registered");
|
|
return;
|
|
}
|
|
|
|
/* In case incoming connection is for VDP, we need to swap scb. */
|
|
/* When ACP_CONNECT_EVT was received, we put first available scb to */
|
|
/* to Incoming state. Later, when STR_CONFIG_IND_EVT is coming, we */
|
|
/* know if it is A2DP or VDP. */
|
|
if ((p_scb->state == BTA_AV_INIT_SST) && (event == BTA_AV_STR_CONFIG_IND_EVT))
|
|
{
|
|
for (xx = 0; xx < BTA_AV_NUM_STRS; xx++)
|
|
{
|
|
if (bta_av_cb.p_scb[xx])
|
|
{
|
|
if (bta_av_cb.p_scb[xx]->state == BTA_AV_INCOMING_SST)
|
|
{
|
|
bta_av_cb.p_scb[xx]->state = BTA_AV_INIT_SST;
|
|
bta_av_cb.p_scb[xx]->coll_mask = 0;
|
|
p_scb->state = BTA_AV_INCOMING_SST;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
|
|
APPL_TRACE_VERBOSE("AV Sevent(0x%x)=0x%x(%s) state=%d(%s)",
|
|
p_scb->hndl, event, bta_av_evt_code(event), p_scb->state, bta_av_sst_code(p_scb->state));
|
|
#else
|
|
APPL_TRACE_VERBOSE("AV Sevent=0x%x state=%d", event, p_scb->state);
|
|
#endif
|
|
|
|
/* look up the state table for the current state */
|
|
state_table = bta_av_sst_tbl[p_scb->state];
|
|
|
|
event -= BTA_AV_FIRST_SSM_EVT;
|
|
|
|
/* set next state */
|
|
p_scb->state = state_table[event][BTA_AV_SNEXT_STATE];
|
|
|
|
/* execute action functions */
|
|
for(i=0; i< BTA_AV_SACTIONS; i++)
|
|
{
|
|
if ((action = state_table[event][i]) != BTA_AV_SIGNORE)
|
|
{
|
|
(*p_scb->p_act_tbl[action])(p_scb, p_data);
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_is_scb_opening
|
|
**
|
|
** Description Returns TRUE is scb is in opening state.
|
|
**
|
|
**
|
|
** Returns TRUE if scb is in opening state.
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN bta_av_is_scb_opening (tBTA_AV_SCB *p_scb)
|
|
{
|
|
BOOLEAN is_opening = FALSE;
|
|
|
|
if (p_scb)
|
|
{
|
|
if (p_scb->state == BTA_AV_OPENING_SST)
|
|
is_opening = TRUE;
|
|
}
|
|
|
|
return is_opening;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_is_scb_incoming
|
|
**
|
|
** Description Returns TRUE is scb is in incoming state.
|
|
**
|
|
**
|
|
** Returns TRUE if scb is in incoming state.
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN bta_av_is_scb_incoming (tBTA_AV_SCB *p_scb)
|
|
{
|
|
BOOLEAN is_incoming = FALSE;
|
|
|
|
if (p_scb)
|
|
{
|
|
if (p_scb->state == BTA_AV_INCOMING_SST)
|
|
is_incoming = TRUE;
|
|
}
|
|
|
|
return is_incoming;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_set_scb_sst_init
|
|
**
|
|
** Description Set SST state to INIT.
|
|
** Use this function to change SST outside of state machine.
|
|
**
|
|
** Returns None
|
|
**
|
|
*******************************************************************************/
|
|
void bta_av_set_scb_sst_init (tBTA_AV_SCB *p_scb)
|
|
{
|
|
if (p_scb)
|
|
{
|
|
p_scb->state = BTA_AV_INIT_SST;
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_is_scb_init
|
|
**
|
|
** Description Returns TRUE is scb is in init state.
|
|
**
|
|
**
|
|
** Returns TRUE if scb is in incoming state.
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN bta_av_is_scb_init (tBTA_AV_SCB *p_scb)
|
|
{
|
|
BOOLEAN is_init = FALSE;
|
|
|
|
if (p_scb)
|
|
{
|
|
if (p_scb->state == BTA_AV_INIT_SST)
|
|
is_init = TRUE;
|
|
}
|
|
|
|
return is_init;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_set_scb_sst_incoming
|
|
**
|
|
** Description Set SST state to incoming.
|
|
** Use this function to change SST outside of state machine.
|
|
**
|
|
** Returns None
|
|
**
|
|
*******************************************************************************/
|
|
void bta_av_set_scb_sst_incoming (tBTA_AV_SCB *p_scb)
|
|
{
|
|
if (p_scb)
|
|
{
|
|
p_scb->state = BTA_AV_INCOMING_SST;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
** Debug Functions
|
|
*****************************************************************************/
|
|
#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_av_sst_code
|
|
**
|
|
** Description
|
|
**
|
|
** Returns char *
|
|
**
|
|
*******************************************************************************/
|
|
static char *bta_av_sst_code(UINT8 state)
|
|
{
|
|
switch(state)
|
|
{
|
|
case BTA_AV_INIT_SST: return "INIT";
|
|
case BTA_AV_INCOMING_SST: return "INCOMING";
|
|
case BTA_AV_OPENING_SST: return "OPENING";
|
|
case BTA_AV_OPEN_SST: return "OPEN";
|
|
case BTA_AV_RCFG_SST: return "RCFG";
|
|
case BTA_AV_CLOSING_SST: return "CLOSING";
|
|
default: return "unknown";
|
|
}
|
|
}
|
|
|
|
#endif
|
|
#endif /* BTA_AV_INCLUDED */
|