diff options
Diffstat (limited to 'bta/av/bta_av_ssm.c')
| -rw-r--r-- | bta/av/bta_av_ssm.c | 599 |
1 files changed, 599 insertions, 0 deletions
diff --git a/bta/av/bta_av_ssm.c b/bta/av/bta_av_ssm.c new file mode 100644 index 0000000..a35a4b0 --- /dev/null +++ b/bta/av/bta_av_ssm.c @@ -0,0 +1,599 @@ +/****************************************************************************** + * + * Copyright (C) 2004-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This is the stream state machine for the BTA advanced audio/video. + * + ******************************************************************************/ + +#include "bt_target.h" +#if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE) + +#include <string.h> +#include "bta_av_co.h" +#include "bta_av_int.h" + +/***************************************************************************** +** Constants and types +*****************************************************************************/ + +/* state machine states */ +enum +{ + BTA_AV_INIT_SST, + BTA_AV_INCOMING_SST, + BTA_AV_OPENING_SST, + BTA_AV_OPEN_SST, + BTA_AV_RCFG_SST, + BTA_AV_CLOSING_SST +}; + + +/* state machine action enumeration list */ +enum +{ + BTA_AV_DO_DISC, + BTA_AV_CLEANUP, + BTA_AV_FREE_SDB, + BTA_AV_CONFIG_IND, + BTA_AV_DISCONNECT_REQ, + BTA_AV_SECURITY_REQ, + BTA_AV_SECURITY_RSP, + BTA_AV_SETCONFIG_RSP, + BTA_AV_ST_RC_TIMER, + BTA_AV_STR_OPENED, + BTA_AV_SECURITY_IND, + BTA_AV_SECURITY_CFM, + BTA_AV_DO_CLOSE, + BTA_AV_CONNECT_REQ, + BTA_AV_SDP_FAILED, + BTA_AV_DISC_RESULTS, + BTA_AV_DISC_RES_AS_ACP, + BTA_AV_OPEN_FAILED, + BTA_AV_GETCAP_RESULTS, + BTA_AV_SETCONFIG_REJ, + BTA_AV_DISCOVER_REQ, + BTA_AV_CONN_FAILED, + BTA_AV_DO_START, + BTA_AV_STR_STOPPED, + BTA_AV_RECONFIG, + BTA_AV_DATA_PATH, + BTA_AV_START_OK, + BTA_AV_START_FAILED, + BTA_AV_STR_CLOSED, + BTA_AV_CLR_CONG, + BTA_AV_SUSPEND_CFM, + BTA_AV_RCFG_STR_OK, + BTA_AV_RCFG_FAILED, + BTA_AV_RCFG_CONNECT, + BTA_AV_RCFG_DISCNTD, + BTA_AV_SUSPEND_CONT, + BTA_AV_RCFG_CFM, + BTA_AV_RCFG_OPEN, + BTA_AV_SECURITY_REJ, + BTA_AV_OPEN_RC, + BTA_AV_CHK_2ND_START, + BTA_AV_SAVE_CAPS, + BTA_AV_SET_USE_RC, + BTA_AV_CCO_CLOSE, + BTA_AV_SWITCH_ROLE, + BTA_AV_ROLE_RES, + BTA_AV_DELAY_CO, + BTA_AV_OPEN_AT_INC, + BTA_AV_NUM_SACTIONS +}; + +#define BTA_AV_SIGNORE BTA_AV_NUM_SACTIONS + + +/* state table information */ +/* #define BTA_AV_SACTION_COL 0 position of actions */ +#define BTA_AV_SACTIONS 2 /* number of actions */ +#define BTA_AV_SNEXT_STATE 2 /* position of next state */ +#define BTA_AV_NUM_COLS 3 /* number of columns in state tables */ + +/* state table for init state */ +static const UINT8 bta_av_sst_init[][BTA_AV_NUM_COLS] = +{ +/* Event Action 1 Action 2 Next state */ +/* AP_OPEN_EVT */ {BTA_AV_DO_DISC, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* AP_CLOSE_EVT */ {BTA_AV_CLEANUP, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* AP_START_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* AP_STOP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* API_RECONFIG_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* API_PROTECT_REQ_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* API_PROTECT_RSP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* API_RC_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* SRC_DATA_READY_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* SDP_DISC_OK_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* SDP_DISC_FAIL_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* STR_DISC_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* STR_DISC_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* STR_GETCAP_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* STR_GETCAP_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* STR_OPEN_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* STR_OPEN_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* STR_START_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* STR_START_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* STR_CLOSE_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* STR_CONFIG_IND_EVT */ {BTA_AV_SETCONFIG_REJ, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* STR_SECURITY_IND_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* STR_SECURITY_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* STR_WRITE_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* STR_SUSPEND_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* STR_RECONFIG_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* AVRC_TIMER_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* AVDT_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* AVDT_DISCONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* ROLE_CHANGE_EVT*/ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* AVDT_DELAY_RPT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* ACP_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST } +}; + +/* state table for incoming state */ +static const UINT8 bta_av_sst_incoming[][BTA_AV_NUM_COLS] = +{ +/* Event Action 1 Action 2 Next state */ +/* AP_OPEN_EVT */ {BTA_AV_OPEN_AT_INC, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* AP_CLOSE_EVT */ {BTA_AV_CCO_CLOSE, BTA_AV_DISCONNECT_REQ, BTA_AV_CLOSING_SST }, +/* AP_START_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* AP_STOP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* API_RECONFIG_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* API_PROTECT_REQ_EVT */ {BTA_AV_SECURITY_REQ, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* API_PROTECT_RSP_EVT */ {BTA_AV_SECURITY_RSP, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* API_RC_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* SRC_DATA_READY_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SETCONFIG_RSP, BTA_AV_ST_RC_TIMER, BTA_AV_INCOMING_SST }, +/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SETCONFIG_RSP, BTA_AV_CLEANUP, BTA_AV_INIT_SST }, +/* SDP_DISC_OK_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* SDP_DISC_FAIL_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* STR_DISC_OK_EVT */ {BTA_AV_DISC_RES_AS_ACP,BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* STR_DISC_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* STR_GETCAP_OK_EVT */ {BTA_AV_SAVE_CAPS, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* STR_GETCAP_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* STR_OPEN_OK_EVT */ {BTA_AV_STR_OPENED, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* STR_OPEN_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* STR_START_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* STR_START_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* STR_CLOSE_EVT */ {BTA_AV_CCO_CLOSE, BTA_AV_CLEANUP, BTA_AV_INIT_SST }, +/* STR_CONFIG_IND_EVT */ {BTA_AV_CONFIG_IND, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* STR_SECURITY_IND_EVT */ {BTA_AV_SECURITY_IND, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* STR_SECURITY_CFM_EVT */ {BTA_AV_SECURITY_CFM, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* STR_WRITE_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* STR_SUSPEND_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* STR_RECONFIG_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* AVRC_TIMER_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* AVDT_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* AVDT_DISCONNECT_EVT */ {BTA_AV_CCO_CLOSE, BTA_AV_CLEANUP, BTA_AV_INIT_SST }, +/* ROLE_CHANGE_EVT*/ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* AVDT_DELAY_RPT_EVT */ {BTA_AV_DELAY_CO, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* ACP_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST } +}; + +/* state table for opening state */ +static const UINT8 bta_av_sst_opening[][BTA_AV_NUM_COLS] = +{ +/* Event Action 1 Action 2 Next state */ +/* AP_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* AP_CLOSE_EVT */ {BTA_AV_DO_CLOSE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST }, +/* AP_START_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* AP_STOP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* API_RECONFIG_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* API_PROTECT_REQ_EVT */ {BTA_AV_SECURITY_REQ, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* API_PROTECT_RSP_EVT */ {BTA_AV_SECURITY_RSP, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* API_RC_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* SRC_DATA_READY_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* SDP_DISC_OK_EVT */ {BTA_AV_CONNECT_REQ, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* SDP_DISC_FAIL_EVT */ {BTA_AV_CONNECT_REQ, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* STR_DISC_OK_EVT */ {BTA_AV_DISC_RESULTS, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* STR_DISC_FAIL_EVT */ {BTA_AV_OPEN_FAILED, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST }, +/* STR_GETCAP_OK_EVT */ {BTA_AV_GETCAP_RESULTS, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* STR_GETCAP_FAIL_EVT */ {BTA_AV_OPEN_FAILED, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST }, +/* STR_OPEN_OK_EVT */ {BTA_AV_ST_RC_TIMER, BTA_AV_STR_OPENED, BTA_AV_OPEN_SST }, +/* STR_OPEN_FAIL_EVT */ {BTA_AV_OPEN_FAILED, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST }, +/* STR_START_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* STR_START_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* STR_CLOSE_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* STR_CONFIG_IND_EVT */ {BTA_AV_CONFIG_IND, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }, +/* STR_SECURITY_IND_EVT */ {BTA_AV_SECURITY_IND, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* STR_SECURITY_CFM_EVT */ {BTA_AV_SECURITY_CFM, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* STR_WRITE_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* STR_SUSPEND_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* STR_RECONFIG_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* AVRC_TIMER_EVT */ {BTA_AV_SWITCH_ROLE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* AVDT_CONNECT_EVT */ {BTA_AV_DISCOVER_REQ, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* AVDT_DISCONNECT_EVT */ {BTA_AV_CONN_FAILED, BTA_AV_SIGNORE, BTA_AV_INIT_SST }, +/* ROLE_CHANGE_EVT*/ {BTA_AV_ROLE_RES, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* AVDT_DELAY_RPT_EVT */ {BTA_AV_DELAY_CO, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }, +/* ACP_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST } +}; + +/* state table for open state */ +static const UINT8 bta_av_sst_open[][BTA_AV_NUM_COLS] = +{ +/* Event Action 1 Action 2 Next state */ +/* AP_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* AP_CLOSE_EVT */ {BTA_AV_DO_CLOSE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST }, +/* AP_START_EVT */ {BTA_AV_DO_START, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* AP_STOP_EVT */ {BTA_AV_STR_STOPPED, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* API_RECONFIG_EVT */ {BTA_AV_RECONFIG, BTA_AV_SIGNORE, BTA_AV_RCFG_SST }, +/* API_PROTECT_REQ_EVT */ {BTA_AV_SECURITY_REQ, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* API_PROTECT_RSP_EVT */ {BTA_AV_SECURITY_RSP, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* API_RC_OPEN_EVT */ {BTA_AV_SET_USE_RC, BTA_AV_OPEN_RC, BTA_AV_OPEN_SST }, +/* SRC_DATA_READY_EVT */ {BTA_AV_DATA_PATH, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* SDP_DISC_OK_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* SDP_DISC_FAIL_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* STR_DISC_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* STR_DISC_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* STR_GETCAP_OK_EVT */ {BTA_AV_SAVE_CAPS, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* STR_GETCAP_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* STR_OPEN_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* STR_OPEN_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* STR_START_OK_EVT */ {BTA_AV_START_OK, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }, +/* 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_EVENT0("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_EVENT5("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_EVENT2("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 */ |