/****************************************************************************** * * Copyright (C) 2002-2012 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 module contains the stream control block and functions which * operate on the stream control block. * ******************************************************************************/ #include #include "bt_types.h" #include "bt_target.h" #include "bt_utils.h" #include "avdt_api.h" #include "avdtc_api.h" #include "avdt_int.h" #include "gki.h" #include "btu.h" #if (defined(AVDT_INCLUDED) && AVDT_INCLUDED == TRUE) /***************************************************************************** ** state machine constants and types *****************************************************************************/ #if AVDT_DEBUG == TRUE /* verbose state strings for trace */ const char * const avdt_scb_st_str[] = { "SCB_IDLE_ST", "SCB_CONF_ST", "SCB_OPENING_ST", "SCB_OPEN_ST", "SCB_STREAM_ST", "SCB_CLOSING_ST" }; /* verbose event strings for trace */ const char * const avdt_scb_evt_str[] = { "API_REMOVE_EVT", "API_WRITE_REQ_EVT", "API_GETCONFIG_REQ_EVT", "API_DELAY_RPT_REQ", "API_SETCONFIG_REQ_EVT", "API_OPEN_REQ_EVT", "API_CLOSE_REQ_EVT", "API_RECONFIG_REQ_EVT", "API_SECURITY_REQ_EVT", "API_ABORT_REQ_EVT", "API_GETCONFIG_RSP_EVT", "API_SETCONFIG_RSP_EVT", "API_SETCONFIG_REJ_EVT", "API_OPEN_RSP_EVT", "API_CLOSE_RSP_EVT", "API_RECONFIG_RSP_EVT", "API_SECURITY_RSP_EVT", "API_ABORT_RSP_EVT", "MSG_SETCONFIG_CMD_EVT", "MSG_GETCONFIG_CMD_EVT", "MSG_OPEN_CMD_EVT", "MSG_START_CMD_EVT", "MSG_SUSPEND_CMD_EVT", "MSG_CLOSE_CMD_EVT", "MSG_ABORT_CMD_EVT", "MSG_RECONFIG_CMD_EVT", "MSG_SECURITY_CMD_EVT", "MSG_DELAY_RPT_CMD_EVT", "MSG_DELAY_RPT_RSP_EVT", "MSG_SETCONFIG_RSP_EVT", "MSG_GETCONFIG_RSP_EVT", "MSG_OPEN_RSP_EVT", "MSG_START_RSP_EVT", "MSG_SUSPEND_RSP_EVT", "MSG_CLOSE_RSP_EVT", "MSG_ABORT_RSP_EVT", "MSG_RECONFIG_RSP_EVT", "MSG_SECURITY_RSP_EVT", "MSG_SETCONFIG_REJ_EVT", "MSG_OPEN_REJ_EVT", "MSG_START_REJ_EVT", "MSG_SUSPEND_REJ_EVT", "TC_TOUT_EVT", "TC_OPEN_EVT", "TC_CLOSE_EVT", "TC_CONG_EVT", "TC_DATA_EVT", "CC_CLOSE_EVT" }; #endif /* action function list */ const tAVDT_SCB_ACTION avdt_scb_action[] = { avdt_scb_hdl_abort_cmd, avdt_scb_hdl_abort_rsp, avdt_scb_hdl_close_cmd, avdt_scb_hdl_close_rsp, avdt_scb_hdl_getconfig_cmd, avdt_scb_hdl_getconfig_rsp, avdt_scb_hdl_open_cmd, avdt_scb_hdl_open_rej, avdt_scb_hdl_open_rsp, avdt_scb_hdl_pkt, avdt_scb_drop_pkt, avdt_scb_hdl_reconfig_cmd, avdt_scb_hdl_reconfig_rsp, avdt_scb_hdl_security_cmd, avdt_scb_hdl_security_rsp, avdt_scb_hdl_setconfig_cmd, avdt_scb_hdl_setconfig_rej, avdt_scb_hdl_setconfig_rsp, avdt_scb_hdl_start_cmd, avdt_scb_hdl_start_rsp, avdt_scb_hdl_suspend_cmd, avdt_scb_hdl_suspend_rsp, avdt_scb_hdl_tc_close, #if AVDT_REPORTING == TRUE avdt_scb_hdl_tc_close_sto, #endif avdt_scb_hdl_tc_open, #if AVDT_REPORTING == TRUE avdt_scb_hdl_tc_open_sto, #endif avdt_scb_snd_delay_rpt_req, avdt_scb_hdl_delay_rpt_cmd, avdt_scb_hdl_delay_rpt_rsp, avdt_scb_hdl_write_req, avdt_scb_snd_abort_req, avdt_scb_snd_abort_rsp, avdt_scb_snd_close_req, avdt_scb_snd_stream_close, avdt_scb_snd_close_rsp, avdt_scb_snd_getconfig_req, avdt_scb_snd_getconfig_rsp, avdt_scb_snd_open_req, avdt_scb_snd_open_rsp, avdt_scb_snd_reconfig_req, avdt_scb_snd_reconfig_rsp, avdt_scb_snd_security_req, avdt_scb_snd_security_rsp, avdt_scb_snd_setconfig_req, avdt_scb_snd_setconfig_rej, avdt_scb_snd_setconfig_rsp, avdt_scb_snd_tc_close, avdt_scb_cb_err, avdt_scb_cong_state, avdt_scb_rej_state, avdt_scb_rej_in_use, avdt_scb_rej_not_in_use, avdt_scb_set_remove, avdt_scb_free_pkt, avdt_scb_clr_pkt, avdt_scb_chk_snd_pkt, avdt_scb_tc_timer, avdt_scb_clr_vars, avdt_scb_dealloc }; /* state table information */ #define AVDT_SCB_ACTIONS 2 /* number of actions */ #define AVDT_SCB_NEXT_STATE 2 /* position of next state */ #define AVDT_SCB_NUM_COLS 3 /* number of columns in state tables */ /* state table for idle state */ const UINT8 avdt_scb_st_idle[][AVDT_SCB_NUM_COLS] = { /* Event Action 1 Action 2 Next state */ /* API_REMOVE_EVT */ {AVDT_SCB_DEALLOC, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_WRITE_REQ_EVT */ {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_SND_SETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_OPEN_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_CLOSE_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_SECURITY_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_ABORT_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_SND_SETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_SND_SETCONFIG_REJ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_SECURITY_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_HDL_SETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_START_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_REJ_NOT_IN_USE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_HDL_SETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_START_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_HDL_SETCONFIG_REJ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* TC_TOUT_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* TC_OPEN_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* TC_CLOSE_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* TC_CONG_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* TC_DATA_EVT */ {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* CC_CLOSE_EVT */ {AVDT_SCB_CLR_VARS, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST} }; /* state table for configured state */ const UINT8 avdt_scb_st_conf[][AVDT_SCB_NUM_COLS] = { /* Event Action 1 Action 2 Next state */ /* API_REMOVE_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_SET_REMOVE, AVDT_SCB_CONF_ST}, /* API_WRITE_REQ_EVT */ {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_OPEN_REQ_EVT */ {AVDT_SCB_SND_OPEN_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_CLOSE_REQ_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_SECURITY_REQ_EVT */ {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_ABORT_REQ_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_OPEN_RSP_EVT */ {AVDT_SCB_SND_OPEN_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* API_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_SECURITY_RSP_EVT */ {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IDLE_ST}, /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_IN_USE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_HDL_OPEN_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_START_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_HDL_OPEN_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_START_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_HDL_ABORT_RSP, AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IDLE_ST}, /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_HDL_OPEN_REJ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* TC_TOUT_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* TC_OPEN_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* TC_CLOSE_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* TC_CONG_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* TC_DATA_EVT */ {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, /* CC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST} }; /* state table for opening state */ const UINT8 avdt_scb_st_opening[][AVDT_SCB_NUM_COLS] = { /* Event Action 1 Action 2 Next state */ /* API_REMOVE_EVT */ {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_SET_REMOVE, AVDT_SCB_CLOSING_ST}, /* API_WRITE_REQ_EVT */ {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* API_OPEN_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* API_CLOSE_REQ_EVT */ {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* API_SECURITY_REQ_EVT */ {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* API_ABORT_REQ_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* API_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* API_CLOSE_RSP_EVT */ {AVDT_SCB_SND_CLOSE_RSP, AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_CLOSING_ST}, /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* API_SECURITY_RSP_EVT */ {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_CLOSING_ST}, /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_START_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_HDL_CLOSE_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_START_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_HDL_ABORT_RSP, AVDT_SCB_CLOSING_ST}, /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* TC_TOUT_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* TC_OPEN_EVT */ {AVDT_SCB_HDL_TC_OPEN, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* TC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* TC_CONG_EVT */ {AVDT_SCB_CONG_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* TC_DATA_EVT */ {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, /* CC_CLOSE_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST} }; /* state table for open state */ const UINT8 avdt_scb_st_open[][AVDT_SCB_NUM_COLS] = { /* Event Action 1 Action 2 Next state */ /* API_REMOVE_EVT */ {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_SET_REMOVE, AVDT_SCB_CLOSING_ST}, /* API_WRITE_REQ_EVT */ {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* API_OPEN_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* API_CLOSE_REQ_EVT */ {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_SND_RECONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* API_SECURITY_REQ_EVT */ {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* API_ABORT_REQ_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* API_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* API_CLOSE_RSP_EVT */ {AVDT_SCB_SND_CLOSE_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST}, /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_SND_RECONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* API_SECURITY_RSP_EVT */ {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST}, /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_START_CMD_EVT */ {AVDT_SCB_HDL_START_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_HDL_CLOSE_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_HDL_RECONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_START_RSP_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_HDL_RECONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* TC_TOUT_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, #if AVDT_REPORTING == TRUE /* TC_OPEN_EVT */ {AVDT_SCB_HDL_TC_OPEN_STO, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* TC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE_STO, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, #else /* TC_OPEN_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* TC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, #endif /* TC_CONG_EVT */ {AVDT_SCB_CONG_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* TC_DATA_EVT */ {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, /* CC_CLOSE_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST} }; /* state table for streaming state */ const UINT8 avdt_scb_st_stream[][AVDT_SCB_NUM_COLS] = { /* Event Action 1 Action 2 Next state */ /* API_REMOVE_EVT */ {AVDT_SCB_SND_STREAM_CLOSE, AVDT_SCB_SET_REMOVE, AVDT_SCB_CLOSING_ST}, /* API_WRITE_REQ_EVT */ {AVDT_SCB_HDL_WRITE_REQ, AVDT_SCB_CHK_SND_PKT, AVDT_SCB_STREAM_ST}, /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* API_OPEN_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* API_CLOSE_REQ_EVT */ {AVDT_SCB_SND_STREAM_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* API_SECURITY_REQ_EVT */ {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* API_ABORT_REQ_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_CLR_PKT, AVDT_SCB_CLOSING_ST}, /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* API_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* API_CLOSE_RSP_EVT */ {AVDT_SCB_SND_CLOSE_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST}, /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* API_SECURITY_RSP_EVT */ {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST}, /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_START_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_HDL_SUSPEND_CMD, AVDT_SCB_CLR_PKT, AVDT_SCB_OPEN_ST}, /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_HDL_CLOSE_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_CLR_PKT, AVDT_SCB_STREAM_ST}, /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_START_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_CLR_PKT, AVDT_SCB_OPEN_ST}, /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_HDL_RECONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* TC_TOUT_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* TC_OPEN_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* TC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* TC_CONG_EVT */ {AVDT_SCB_CONG_STATE, AVDT_SCB_CHK_SND_PKT, AVDT_SCB_STREAM_ST}, /* TC_DATA_EVT */ {AVDT_SCB_HDL_PKT, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, /* CC_CLOSE_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST} }; /* state table for closing state */ const UINT8 avdt_scb_st_closing[][AVDT_SCB_NUM_COLS] = { /* Event Action 1 Action 2 Next state */ /* API_REMOVE_EVT */ {AVDT_SCB_SET_REMOVE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_WRITE_REQ_EVT */ {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_OPEN_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_CLOSE_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_SECURITY_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_ABORT_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_SECURITY_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_START_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_START_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_HDL_CLOSE_RSP, AVDT_SCB_CLOSING_ST}, /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_HDL_ABORT_RSP, AVDT_SCB_CLOSING_ST}, /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* TC_TOUT_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* TC_OPEN_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* TC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, /* TC_CONG_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* TC_DATA_EVT */ {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, /* CC_CLOSE_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST} }; /* type for state table */ typedef const UINT8 (*tAVDT_SCB_ST_TBL)[AVDT_SCB_NUM_COLS]; /* state table */ const tAVDT_SCB_ST_TBL avdt_scb_st_tbl[] = { avdt_scb_st_idle, avdt_scb_st_conf, avdt_scb_st_opening, avdt_scb_st_open, avdt_scb_st_stream, avdt_scb_st_closing }; /******************************************************************************* ** ** Function avdt_scb_event ** ** Description State machine event handling function for scb ** ** ** Returns Nothing. ** *******************************************************************************/ void avdt_scb_event(tAVDT_SCB *p_scb, UINT8 event, tAVDT_SCB_EVT *p_data) { tAVDT_SCB_ST_TBL state_table; UINT8 action; int i; #if AVDT_DEBUG == TRUE AVDT_TRACE_EVENT("SCB hdl=%d event=%d/%s state=%s\n", avdt_scb_to_hdl(p_scb), event, avdt_scb_evt_str[event], avdt_scb_st_str[p_scb->state]); #endif /* set current event */ p_scb->curr_evt = event; /* look up the state table for the current state */ state_table = avdt_scb_st_tbl[p_scb->state]; /* set next state */ if (p_scb->state != state_table[event][AVDT_SCB_NEXT_STATE]) { p_scb->state = state_table[event][AVDT_SCB_NEXT_STATE]; } /* execute action functions */ for (i = 0; i < AVDT_SCB_ACTIONS; i++) { if ((action = state_table[event][i]) != AVDT_SCB_IGNORE) { (*avdt_cb.p_scb_act[action])(p_scb, p_data); } else { break; } } } /******************************************************************************* ** ** Function avdt_scb_init ** ** Description Initialize stream control block module. ** ** ** Returns Nothing. ** *******************************************************************************/ void avdt_scb_init(void) { memset(&avdt_cb.scb[0], 0, sizeof(tAVDT_SCB) * AVDT_NUM_SEPS); avdt_cb.p_scb_act = (tAVDT_SCB_ACTION *) avdt_scb_action; } /******************************************************************************* ** ** Function avdt_scb_alloc ** ** Description Allocate a stream control block. ** ** ** Returns pointer to the scb, or NULL if none could be allocated. ** *******************************************************************************/ tAVDT_SCB *avdt_scb_alloc(tAVDT_CS *p_cs) { tAVDT_SCB *p_scb = &avdt_cb.scb[0]; int i; /* find available scb */ for (i = 0; i < AVDT_NUM_SEPS; i++, p_scb++) { if (!p_scb->allocated) { memset(p_scb,0,sizeof(tAVDT_SCB)); p_scb->allocated = TRUE; p_scb->p_ccb = NULL; /* initialize sink as activated */ if (p_cs->tsep == AVDT_TSEP_SNK) { p_scb->sink_activated = TRUE; } memcpy(&p_scb->cs, p_cs, sizeof(tAVDT_CS)); #if AVDT_MULTIPLEXING == TRUE /* initialize fragments gueue */ GKI_init_q(&p_scb->frag_q); if(p_cs->cfg.psc_mask & AVDT_PSC_MUX) { p_scb->cs.cfg.mux_tcid_media = avdt_ad_type_to_tcid(AVDT_CHAN_MEDIA, p_scb); #if AVDT_REPORTING == TRUE if(p_cs->cfg.psc_mask & AVDT_PSC_REPORT) { p_scb->cs.cfg.mux_tcid_report = avdt_ad_type_to_tcid(AVDT_CHAN_REPORT, p_scb); } #endif } #endif p_scb->timer_entry.param = (UINT32) p_scb; AVDT_TRACE_DEBUG("avdt_scb_alloc hdl=%d, psc_mask:0x%x\n", i+1, p_cs->cfg.psc_mask); break; } } if (i == AVDT_NUM_SEPS) { /* out of ccbs */ p_scb = NULL; AVDT_TRACE_WARNING("Out of scbs"); } return p_scb; } /******************************************************************************* ** ** Function avdt_scb_dealloc ** ** Description Deallocate a stream control block. ** ** ** Returns void. ** *******************************************************************************/ void avdt_scb_dealloc(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data) { #if AVDT_MULTIPLEXING == TRUE void *p_buf; #endif UNUSED(p_data); AVDT_TRACE_DEBUG("avdt_scb_dealloc hdl=%d\n", avdt_scb_to_hdl(p_scb)); btu_stop_timer(&p_scb->timer_entry); #if AVDT_MULTIPLEXING == TRUE /* free fragments we're holding, if any; it shouldn't happen */ while ((p_buf = GKI_dequeue (&p_scb->frag_q)) != NULL) GKI_freebuf(p_buf); #endif memset(p_scb, 0, sizeof(tAVDT_SCB)); } /******************************************************************************* ** ** Function avdt_scb_to_hdl ** ** Description Given a pointer to an scb, return its handle (or seid). ** ** ** Returns Index of scb. ** *******************************************************************************/ UINT8 avdt_scb_to_hdl(tAVDT_SCB *p_scb) { return (UINT8) (p_scb - avdt_cb.scb + 1); } /******************************************************************************* ** ** Function avdt_scb_by_hdl ** ** Description Given an scb handle (or seid), return a pointer to the scb. ** ** ** Returns Pointer to scb or NULL if index is out of range or scb ** is not allocated. ** *******************************************************************************/ tAVDT_SCB *avdt_scb_by_hdl(UINT8 hdl) { tAVDT_SCB *p_scb; /* verify index */ if ((hdl > 0) && (hdl <= AVDT_NUM_SEPS)) { p_scb = &avdt_cb.scb[hdl - 1]; /* verify scb is allocated */ if (!p_scb->allocated) { p_scb = NULL; AVDT_TRACE_WARNING("scb hdl %d not allocated\n", hdl); } } else { p_scb = NULL; AVDT_TRACE_WARNING("scb hdl %d out of range\n", hdl); } return p_scb; } /******************************************************************************* ** ** Function avdt_scb_verify ** ** Description Verify the condition of a list of scbs. ** ** ** Returns SEID that failed, or 0 if success. ** *******************************************************************************/ UINT8 avdt_scb_verify(tAVDT_CCB *p_ccb, UINT8 state, UINT8 *p_seid, UINT16 num_seid, UINT8 *p_err_code) { int i; tAVDT_SCB *p_scb; UINT8 nsc_mask; UINT8 ret = 0; AVDT_TRACE_DEBUG("avdt_scb_verify state %d\n", state); /* set nonsupported command mask */ /* translate public state into private state */ nsc_mask = 0; if (state == AVDT_VERIFY_SUSPEND) nsc_mask = AVDT_NSC_SUSPEND; /* verify every scb */ for (i = 0, *p_err_code = 0; (i < num_seid) && (*p_err_code == 0) && (i < AVDT_NUM_SEPS); i++) { if ((p_scb = avdt_scb_by_hdl(p_seid[i])) == NULL) *p_err_code = AVDT_ERR_BAD_STATE; else if (p_scb->p_ccb != p_ccb) *p_err_code = AVDT_ERR_BAD_STATE; else if (p_scb->cs.nsc_mask & nsc_mask) *p_err_code = AVDT_ERR_NSC; switch (state) { case AVDT_VERIFY_OPEN: case AVDT_VERIFY_START: if (p_scb->state != AVDT_SCB_OPEN_ST && p_scb->state != AVDT_SCB_STREAM_ST) *p_err_code = AVDT_ERR_BAD_STATE; break; case AVDT_VERIFY_SUSPEND: case AVDT_VERIFY_STREAMING: if (p_scb->state != AVDT_SCB_STREAM_ST) *p_err_code = AVDT_ERR_BAD_STATE; break; } } if ((i != num_seid) && (i < AVDT_NUM_SEPS)) { ret = p_seid[i]; } return ret; } /******************************************************************************* ** ** Function avdt_scb_peer_seid_list ** ** Description Given a list of SCB handles, return a list of peer SEIDs ** for the handles, copied in place into the struct passed in. ** ** ** Returns Nothing. ** *******************************************************************************/ void avdt_scb_peer_seid_list(tAVDT_MULTI *p_multi) { int i; tAVDT_SCB *p_scb; for (i = 0; i < p_multi->num_seps; i++) { if ((p_scb = avdt_scb_by_hdl(p_multi->seid_list[i])) != NULL) { p_multi->seid_list[i] = p_scb->peer_seid; } } } #endif /* #if (defined(AVDT_INCLUDED) && AVDT_INCLUDED == TRUE) */