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/******************************************************************************
*
* Copyright 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 implementation of the API for the audio gateway (AG)
* subsystem of BTA, Broadcom's Bluetooth application layer for mobile
* phones.
*
******************************************************************************/
#include "bta/include/bta_ag_api.h"
#include <base/bind.h>
#include <base/location.h>
#include <cstdint>
#include <cstring>
#include <vector>
#include "bta/ag/bta_ag_int.h"
#include "stack/include/btu.h" // do_in_main_thread
#include "types/raw_address.h"
/*****************************************************************************
* Constants
****************************************************************************/
static const tBTA_SYS_REG bta_ag_reg = {bta_ag_hdl_event, BTA_AgDisable};
const tBTA_AG_RES_DATA tBTA_AG_RES_DATA::kEmpty = {};
/*******************************************************************************
*
* Function BTA_AgEnable
*
* Description Enable the audio gateway service. When the enable
* operation is complete the callback function will be
* called with a BTA_AG_ENABLE_EVT. This function must
* be called before other function in the AG API are
* called.
*
* Returns BTA_SUCCESS if OK, BTA_FAILURE otherwise.
*
******************************************************************************/
tBTA_STATUS BTA_AgEnable(tBTA_AG_CBACK* p_cback) {
/* Error if AG is already enabled, or AG is in the middle of disabling. */
for (const tBTA_AG_SCB& scb : bta_ag_cb.scb) {
if (scb.in_use) {
APPL_TRACE_ERROR("BTA_AgEnable: FAILED, AG already enabled.");
return BTA_FAILURE;
}
}
bta_sys_register(BTA_ID_AG, &bta_ag_reg);
do_in_main_thread(FROM_HERE, base::Bind(&bta_ag_api_enable, p_cback));
return BTA_SUCCESS;
}
/*******************************************************************************
*
* Function BTA_AgDisable
*
* Description Disable the audio gateway service
*
*
* Returns void
*
******************************************************************************/
void BTA_AgDisable() {
do_in_main_thread(FROM_HERE, base::Bind(&bta_ag_api_disable));
}
/*******************************************************************************
*
* Function BTA_AgRegister
*
* Description Register an Audio Gateway service.
*
*
* Returns void
*
******************************************************************************/
void BTA_AgRegister(tBTA_SERVICE_MASK services, tBTA_AG_FEAT features,
const std::vector<std::string>& service_names,
uint8_t app_id) {
do_in_main_thread(FROM_HERE, base::Bind(&bta_ag_api_register, services,
features, service_names, app_id));
}
/*******************************************************************************
*
* Function BTA_AgDeregister
*
* Description Deregister an audio gateway service.
*
*
* Returns void
*
******************************************************************************/
void BTA_AgDeregister(uint16_t handle) {
do_in_main_thread(
FROM_HERE, base::Bind(&bta_ag_sm_execute_by_handle, handle,
BTA_AG_API_DEREGISTER_EVT, tBTA_AG_DATA::kEmpty));
}
/*******************************************************************************
*
* Function BTA_AgOpen
*
* Description Opens a connection to a headset or hands-free device.
* When connection is open callback function is called
* with a BTA_AG_OPEN_EVT. Only the data connection is
* opened. The audio connection is not opened.
*
*
* Returns void
*
******************************************************************************/
void BTA_AgOpen(uint16_t handle, const RawAddress& bd_addr) {
tBTA_AG_DATA data = {};
data.api_open.bd_addr = bd_addr;
do_in_main_thread(FROM_HERE, base::Bind(&bta_ag_sm_execute_by_handle, handle,
BTA_AG_API_OPEN_EVT, data));
}
/*******************************************************************************
*
* Function BTA_AgClose
*
* Description Close the current connection to a headset or a handsfree
* Any current audio connection will also be closed.
*
*
* Returns void
*
******************************************************************************/
void BTA_AgClose(uint16_t handle) {
do_in_main_thread(FROM_HERE,
base::Bind(&bta_ag_sm_execute_by_handle, handle,
BTA_AG_API_CLOSE_EVT, tBTA_AG_DATA::kEmpty));
}
/*******************************************************************************
*
* Function BTA_AgAudioOpen
*
* Description Opens an audio connection to the currently connected
* headset or hnadsfree.
*
*
* Returns void
*
******************************************************************************/
void BTA_AgAudioOpen(uint16_t handle) {
do_in_main_thread(
FROM_HERE, base::Bind(&bta_ag_sm_execute_by_handle, handle,
BTA_AG_API_AUDIO_OPEN_EVT, tBTA_AG_DATA::kEmpty));
}
/*******************************************************************************
*
* Function BTA_AgAudioClose
*
* Description Close the currently active audio connection to a headset
* or hnadsfree. The data connection remains open
*
*
* Returns void
*
******************************************************************************/
void BTA_AgAudioClose(uint16_t handle) {
do_in_main_thread(
FROM_HERE, base::Bind(&bta_ag_sm_execute_by_handle, handle,
BTA_AG_API_AUDIO_CLOSE_EVT, tBTA_AG_DATA::kEmpty));
}
/*******************************************************************************
*
* Function BTA_AgResult
*
* Description Send an AT result code to a headset or hands-free device.
* This function is only used when the AG parse mode is set
* to BTA_AG_PARSE.
*
*
* Returns void
*
******************************************************************************/
void BTA_AgResult(uint16_t handle, tBTA_AG_RES result,
const tBTA_AG_RES_DATA& data) {
do_in_main_thread(FROM_HERE,
base::Bind(&bta_ag_api_result, handle, result, data));
}
/*******************************************************************************
*
* Function BTA_AgSetCodec
*
* Description Specify the codec type to be used for the subsequent
* audio connection.
*
*
*
* Returns void
*
******************************************************************************/
void BTA_AgSetCodec(uint16_t handle, tBTA_AG_PEER_CODEC codec) {
tBTA_AG_DATA data = {};
data.api_setcodec.codec = codec;
do_in_main_thread(FROM_HERE, base::Bind(&bta_ag_sm_execute_by_handle, handle,
BTA_AG_API_SETCODEC_EVT, data));
}
void BTA_AgSetScoAllowed(bool value) {
do_in_main_thread(FROM_HERE, base::Bind(&bta_ag_set_sco_allowed, value));
}
void BTA_AgSetActiveDevice(const RawAddress& active_device_addr) {
do_in_main_thread(
FROM_HERE, base::Bind(&bta_ag_api_set_active_device, active_device_addr));
}
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