177 lines
5.4 KiB
C
177 lines
5.4 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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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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// 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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* Filename: btc_av.h
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*
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* Description: Main API header file for all BTC AV functions accessed
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* from internal stack.
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*
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*******************************************************************************/
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#ifndef __BTC_AV_H__
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#define __BTC_AV_H__
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#include "esp_a2dp_api.h"
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#include "btc_task.h"
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#include "btc_common.h"
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#include "btc_sm.h"
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#include "bta_av_api.h"
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#if (BTA_AV_INCLUDED == TRUE)
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/*******************************************************************************
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** Type definitions for callback functions
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********************************************************************************/
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typedef enum {
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BTC_AV_CONNECT_REQ_EVT = BTA_AV_MAX_EVT,
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BTC_AV_DISCONNECT_REQ_EVT,
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BTC_AV_START_STREAM_REQ_EVT,
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BTC_AV_STOP_STREAM_REQ_EVT,
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BTC_AV_SUSPEND_STREAM_REQ_EVT,
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BTC_AV_SINK_CONFIG_REQ_EVT,
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} btc_av_sm_event_t;
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typedef enum {
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BTC_AV_SINK_API_INIT_EVT = 0,
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BTC_AV_SINK_API_DEINIT_EVT,
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BTC_AV_SINK_API_CONNECT_EVT,
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BTC_AV_SINK_API_DISCONNECT_EVT,
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BTC_AV_SINK_API_REG_DATA_CB_EVT,
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} btc_av_act_t;
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/* btc_av_args_t */
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typedef union {
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// BTC_AV_SINK_CONFIG_REQ_EVT -- internal event
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esp_a2d_mcc_t mcc;
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// BTC_AV_SINK_API_CONNECT_EVT
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bt_bdaddr_t connect;
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// BTC_AV_SINK_API_REG_DATA_CB_EVT
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esp_a2d_data_cb_t data_cb;
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} btc_av_args_t;
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/*******************************************************************************
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** BTC AV API
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********************************************************************************/
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void btc_a2dp_call_handler(btc_msg_t *msg);
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void btc_a2dp_cb_handler(btc_msg_t *msg);
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void btc_a2dp_sink_reg_data_cb(esp_a2d_data_cb_t callback);
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/*******************************************************************************
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**
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** Function btc_av_get_sm_handle
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**
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** Description Fetches current av SM handle
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**
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** Returns None
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**
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*******************************************************************************/
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btc_sm_handle_t btc_av_get_sm_handle(void);
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/*******************************************************************************
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**
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** Function btc_av_stream_ready
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**
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** Description Checks whether AV is ready for starting a stream
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**
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** Returns None
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**
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*******************************************************************************/
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BOOLEAN btc_av_stream_ready(void);
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/*******************************************************************************
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**
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** Function btc_av_stream_started_ready
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**
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** Description Checks whether AV ready for media start in streaming state
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**
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** Returns None
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**
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*******************************************************************************/
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BOOLEAN btc_av_stream_started_ready(void);
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/*******************************************************************************
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**
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** Function btc_dispatch_sm_event
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**
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** Description Send event to AV statemachine
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**
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** Returns None
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**
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*******************************************************************************/
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/* used to pass events to AV statemachine from other tasks */
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void btc_dispatch_sm_event(btc_av_sm_event_t event, void *p_data, int len);
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/*******************************************************************************
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**
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** Function btc_av_init
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**
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** Description Initializes btc AV if not already done
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**
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** Returns bt_status_t
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**
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*******************************************************************************/
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bt_status_t btc_av_init(void);
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/*******************************************************************************
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**
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** Function btc_av_is_connected
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**
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** Description Checks if av has a connected sink
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**
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** Returns BOOLEAN
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**
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*******************************************************************************/
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BOOLEAN btc_av_is_connected(void);
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/*******************************************************************************
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**
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** Function btc_av_is_peer_edr
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**
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** Description Check if the connected a2dp device supports
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** EDR or not. Only when connected this function
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** will accurately provide a true capability of
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** remote peer. If not connected it will always be false.
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**
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** Returns TRUE if remote device is capable of EDR
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**
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*******************************************************************************/
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BOOLEAN btc_av_is_peer_edr(void);
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/******************************************************************************
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**
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** Function btc_av_clear_remote_suspend_flag
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**
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** Description Clears remote suspended flag
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**
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** Returns Void
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********************************************************************************/
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void btc_av_clear_remote_suspend_flag(void);
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#endif ///BTA_AV_INCLUDED == TRUE
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#endif /* __BTC_AV_H__ */
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