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/******************************************************************************
*
* Copyright (C) 2003-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This is the interface file for audio gateway call-out functions.
*
******************************************************************************/
#ifndef BTA_AG_CO_H
#define BTA_AG_CO_H
#include "bta_ag_api.h"
/* Definitions for audio state callout function "state" parameter */
#define BTA_AG_CO_AUD_STATE_OFF 0
#define BTA_AG_CO_AUD_STATE_OFF_XFER 1 /* Closed pending transfer of audio */
#define BTA_AG_CO_AUD_STATE_ON 2
#define BTA_AG_CO_AUD_STATE_SETUP 3
/*******************************************************************************
**
** Function bta_ag_co_init
**
** Description This callout function is executed by AG when it is
** started by calling BTA_AgEnable(). This function can be
** used by the phone to initialize audio paths or for other
** initialization purposes.
**
**
** Returns Void.
**
*******************************************************************************/
BTA_API extern void bta_ag_co_init(void);
/*******************************************************************************
**
** Function bta_ag_co_audio_state
**
** Description This function is called by the AG before the audio connection
** is brought up, after it comes up, and after it goes down.
**
** Parameters handle - handle of the AG instance
** state - Audio state
** BTA_AG_CO_AUD_STATE_OFF - Audio has been turned off
** BTA_AG_CO_AUD_STATE_OFF_XFER - Audio is closed pending transfer
** BTA_AG_CO_AUD_STATE_ON - Audio has been turned on
** BTA_AG_CO_AUD_STATE_SETUP - Audio is about to be turned on
**
** Returns void
**
*******************************************************************************/
BTA_API extern void bta_ag_co_audio_state(UINT16 handle, UINT8 app_id, UINT8 state);
/*******************************************************************************
**
** Function bta_ag_co_data_open
**
** Description This function is executed by AG when a service level connection
** is opened. The phone can use this function to set
** up data paths or perform any required initialization or
** set up particular to the connected service.
**
**
** Returns void
**
*******************************************************************************/
BTA_API extern void bta_ag_co_data_open(UINT16 handle, tBTA_SERVICE_ID service);
/*******************************************************************************
**
** Function bta_ag_co_data_close
**
** Description This function is called by AG when a service level
** connection is closed
**
**
** Returns void
**
*******************************************************************************/
BTA_API extern void bta_ag_co_data_close(UINT16 handle);
/*******************************************************************************
**
** Function bta_ag_co_tx_write
**
** Description This function is called by the AG to send data to the
** phone when the AG is configured for AT command pass-through.
** The implementation of this function must copy the data to
** the phone’s memory.
**
** Returns void
**
*******************************************************************************/
BTA_API extern void bta_ag_co_tx_write(UINT16 handle, UINT8 *p_data, UINT16 len);
#endif /* BTA_AG_CO_H */
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