/usr/include/android-19/hardware/bt_hl.h is in android-headers-19 23-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2012 The Android Open Source Project
*
* 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.
*/
#ifndef ANDROID_INCLUDE_BT_HL_H
#define ANDROID_INCLUDE_BT_HL_H
__BEGIN_DECLS
/* HL connection states */
typedef enum
{
BTHL_MDEP_ROLE_SOURCE,
BTHL_MDEP_ROLE_SINK
} bthl_mdep_role_t;
typedef enum {
BTHL_APP_REG_STATE_REG_SUCCESS,
BTHL_APP_REG_STATE_REG_FAILED,
BTHL_APP_REG_STATE_DEREG_SUCCESS,
BTHL_APP_REG_STATE_DEREG_FAILED
} bthl_app_reg_state_t;
typedef enum
{
BTHL_CHANNEL_TYPE_RELIABLE,
BTHL_CHANNEL_TYPE_STREAMING,
BTHL_CHANNEL_TYPE_ANY
} bthl_channel_type_t;
/* HL connection states */
typedef enum {
BTHL_CONN_STATE_CONNECTING,
BTHL_CONN_STATE_CONNECTED,
BTHL_CONN_STATE_DISCONNECTING,
BTHL_CONN_STATE_DISCONNECTED,
BTHL_CONN_STATE_DESTROYED
} bthl_channel_state_t;
typedef struct
{
bthl_mdep_role_t mdep_role;
int data_type;
bthl_channel_type_t channel_type;
const char *mdep_description; /* MDEP description to be used in the SDP (optional); null terminated */
} bthl_mdep_cfg_t;
typedef struct
{
const char *application_name;
const char *provider_name; /* provider name to be used in the SDP (optional); null terminated */
const char *srv_name; /* service name to be used in the SDP (optional); null terminated*/
const char *srv_desp; /* service description to be used in the SDP (optional); null terminated */
int number_of_mdeps;
bthl_mdep_cfg_t *mdep_cfg; /* Dynamic array */
} bthl_reg_param_t;
/** Callback for application registration status.
* state will have one of the values from bthl_app_reg_state_t
*/
typedef void (* bthl_app_reg_state_callback)(int app_id, bthl_app_reg_state_t state);
/** Callback for channel connection state change.
* state will have one of the values from
* bthl_connection_state_t and fd (file descriptor)
*/
typedef void (* bthl_channel_state_callback)(int app_id, bt_bdaddr_t *bd_addr, int mdep_cfg_index, int channel_id, bthl_channel_state_t state, int fd);
/** BT-HL callback structure. */
typedef struct {
/** set to sizeof(bthl_callbacks_t) */
size_t size;
bthl_app_reg_state_callback app_reg_state_cb;
bthl_channel_state_callback channel_state_cb;
} bthl_callbacks_t;
/** Represents the standard BT-HL interface. */
typedef struct {
/** set to sizeof(bthl_interface_t) */
size_t size;
/**
* Register the Bthl callbacks
*/
bt_status_t (*init)( bthl_callbacks_t* callbacks );
/** Register HL application */
bt_status_t (*register_application) ( bthl_reg_param_t *p_reg_param, int *app_id);
/** Unregister HL application */
bt_status_t (*unregister_application) (int app_id);
/** connect channel */
bt_status_t (*connect_channel)(int app_id, bt_bdaddr_t *bd_addr, int mdep_cfg_index, int *channel_id);
/** destroy channel */
bt_status_t (*destroy_channel)(int channel_id);
/** Close the Bthl callback **/
void (*cleanup)(void);
} bthl_interface_t;
__END_DECLS
#endif /* ANDROID_INCLUDE_BT_HL_H */
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