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					456 lines
				
				19 KiB
			
		
		
			
		
	
	
					456 lines
				
				19 KiB
			| 
											6 years ago
										 | /*
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|  |  * Copyright (C) 2013 The Android Open Source Project
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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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|  |  *
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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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|  | 
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|  | #ifndef ANDROID_INCLUDE_BT_GATT_CLIENT_H
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|  | #define ANDROID_INCLUDE_BT_GATT_CLIENT_H
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|  | 
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|  | #include <stdint.h>
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|  | #include "bt_gatt_types.h"
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|  | #include "bt_common_types.h"
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|  | 
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|  | __BEGIN_DECLS
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|  | 
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|  | /**
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|  |  * Buffer sizes for maximum attribute length and maximum read/write
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|  |  * operation buffer size.
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|  |  */
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|  | #define BTGATT_MAX_ATTR_LEN 600
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|  | 
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|  | /** Buffer type for unformatted reads/writes */
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|  | typedef struct
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|  | {
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|  |     uint8_t             value[BTGATT_MAX_ATTR_LEN];
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|  |     uint16_t            len;
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|  | } btgatt_unformatted_value_t;
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|  | 
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|  | /** Parameters for GATT read operations */
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|  | typedef struct
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|  | {
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|  |     btgatt_srvc_id_t    srvc_id;
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|  |     btgatt_gatt_id_t    char_id;
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|  |     btgatt_gatt_id_t    descr_id;
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|  |     btgatt_unformatted_value_t value;
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|  |     uint16_t            value_type;
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|  |     uint8_t             status;
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|  | } btgatt_read_params_t;
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|  | 
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|  | /** Parameters for GATT write operations */
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|  | typedef struct
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|  | {
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|  |     btgatt_srvc_id_t    srvc_id;
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|  |     btgatt_gatt_id_t    char_id;
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|  |     btgatt_gatt_id_t    descr_id;
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|  |     uint8_t             status;
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|  | } btgatt_write_params_t;
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|  | 
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|  | /** Attribute change notification parameters */
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|  | typedef struct
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|  | {
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|  |     uint8_t             value[BTGATT_MAX_ATTR_LEN];
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|  |     bt_bdaddr_t         bda;
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|  |     btgatt_srvc_id_t    srvc_id;
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|  |     btgatt_gatt_id_t    char_id;
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|  |     uint16_t            len;
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|  |     uint8_t             is_notify;
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|  | } btgatt_notify_params_t;
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|  | 
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|  | typedef struct
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|  | {
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|  |     uint8_t  client_if;
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|  |     uint8_t  action;
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|  |     uint8_t  filt_index;
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|  |     uint16_t feat_seln;
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|  |     uint16_t list_logic_type;
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|  |     uint8_t  filt_logic_type;
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|  |     uint8_t  rssi_high_thres;
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|  |     uint8_t  rssi_low_thres;
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|  |     uint8_t  dely_mode;
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|  |     uint16_t found_timeout;
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|  |     uint16_t lost_timeout;
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|  |     uint8_t  found_timeout_cnt;
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|  |     uint16_t  num_of_tracking_entries;
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|  | } btgatt_filt_param_setup_t;
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|  | 
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|  | typedef struct
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|  | {
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|  |     bt_bdaddr_t        *bda1;
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|  |     bt_uuid_t          *uuid1;
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|  |     uint16_t            u1;
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|  |     uint16_t            u2;
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|  |     uint16_t            u3;
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|  |     uint16_t            u4;
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|  |     uint16_t            u5;
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|  | } btgatt_test_params_t;
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|  | 
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|  | /* BT GATT client error codes */
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|  | typedef enum
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|  | {
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|  |     BT_GATTC_COMMAND_SUCCESS = 0,    /* 0  Command succeeded                 */
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|  |     BT_GATTC_COMMAND_STARTED,        /* 1  Command started OK.               */
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|  |     BT_GATTC_COMMAND_BUSY,           /* 2  Device busy with another command  */
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|  |     BT_GATTC_COMMAND_STORED,         /* 3 request is stored in control block */
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|  |     BT_GATTC_NO_RESOURCES,           /* 4  No resources to issue command     */
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|  |     BT_GATTC_MODE_UNSUPPORTED,       /* 5  Request for 1 or more unsupported modes */
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|  |     BT_GATTC_ILLEGAL_VALUE,          /* 6  Illegal command /parameter value  */
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|  |     BT_GATTC_INCORRECT_STATE,        /* 7  Device in wrong state for request  */
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|  |     BT_GATTC_UNKNOWN_ADDR,           /* 8  Unknown remote BD address         */
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|  |     BT_GATTC_DEVICE_TIMEOUT,         /* 9  Device timeout                    */
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|  |     BT_GATTC_INVALID_CONTROLLER_OUTPUT,/* 10  An incorrect value was received from HCI */
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|  |     BT_GATTC_SECURITY_ERROR,          /* 11 Authorization or security failure or not authorized  */
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|  |     BT_GATTC_DELAYED_ENCRYPTION_CHECK, /*12 Delayed encryption check */
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|  |     BT_GATTC_ERR_PROCESSING           /* 12 Generic error                     */
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|  | } btgattc_error_t;
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|  | 
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|  | /** BT-GATT Client callback structure. */
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|  | 
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|  | /** Callback invoked in response to register_client */
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|  | typedef void (*register_client_callback)(int status, int client_if,
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|  |                 bt_uuid_t *app_uuid);
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|  | 
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|  | /** Callback for scan results */
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|  | typedef void (*scan_result_callback)(bt_bdaddr_t* bda, int rssi, uint8_t* adv_data);
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|  | 
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|  | /** GATT open callback invoked in response to open */
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|  | typedef void (*connect_callback)(int conn_id, int status, int client_if, bt_bdaddr_t* bda);
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|  | 
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|  | /** Callback invoked in response to close */
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|  | typedef void (*disconnect_callback)(int conn_id, int status,
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|  |                 int client_if, bt_bdaddr_t* bda);
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|  | 
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|  | /**
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|  |  * Invoked in response to search_service when the GATT service search
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|  |  * has been completed.
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|  |  */
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|  | typedef void (*search_complete_callback)(int conn_id, int status);
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|  | 
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|  | /** Reports GATT services on a remote device */
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|  | typedef void (*search_result_callback)( int conn_id, btgatt_srvc_id_t *srvc_id);
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|  | 
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|  | /** GATT characteristic enumeration result callback */
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|  | typedef void (*get_characteristic_callback)(int conn_id, int status,
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|  |                 btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *char_id,
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|  |                 int char_prop);
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|  | 
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|  | /** GATT descriptor enumeration result callback */
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|  | typedef void (*get_descriptor_callback)(int conn_id, int status,
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|  |                 btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *char_id,
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|  |                 btgatt_gatt_id_t *descr_id);
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|  | 
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|  | /** GATT included service enumeration result callback */
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|  | typedef void (*get_included_service_callback)(int conn_id, int status,
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|  |                 btgatt_srvc_id_t *srvc_id, btgatt_srvc_id_t *incl_srvc_id);
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|  | 
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|  | /** Callback invoked in response to [de]register_for_notification */
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|  | typedef void (*register_for_notification_callback)(int conn_id,
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|  |                 int registered, int status, btgatt_srvc_id_t *srvc_id,
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|  |                 btgatt_gatt_id_t *char_id);
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|  | 
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|  | /**
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|  |  * Remote device notification callback, invoked when a remote device sends
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|  |  * a notification or indication that a client has registered for.
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|  |  */
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|  | typedef void (*notify_callback)(int conn_id, btgatt_notify_params_t *p_data);
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|  | 
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|  | /** Reports result of a GATT read operation */
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|  | typedef void (*read_characteristic_callback)(int conn_id, int status,
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|  |                 btgatt_read_params_t *p_data);
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|  | 
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|  | /** GATT write characteristic operation callback */
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|  | typedef void (*write_characteristic_callback)(int conn_id, int status,
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|  |                 btgatt_write_params_t *p_data);
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|  | 
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|  | /** GATT execute prepared write callback */
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|  | typedef void (*execute_write_callback)(int conn_id, int status);
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|  | 
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|  | /** Callback invoked in response to read_descriptor */
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|  | typedef void (*read_descriptor_callback)(int conn_id, int status,
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|  |                 btgatt_read_params_t *p_data);
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|  | 
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|  | /** Callback invoked in response to write_descriptor */
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|  | typedef void (*write_descriptor_callback)(int conn_id, int status,
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|  |                 btgatt_write_params_t *p_data);
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|  | 
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|  | /** Callback triggered in response to read_remote_rssi */
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|  | typedef void (*read_remote_rssi_callback)(int client_if, bt_bdaddr_t* bda,
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|  |                                           int rssi, int status);
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|  | 
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|  | /**
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|  |  * Callback indicating the status of a listen() operation
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|  |  */
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|  | typedef void (*listen_callback)(int status, int server_if);
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|  | 
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|  | /** Callback invoked when the MTU for a given connection changes */
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|  | typedef void (*configure_mtu_callback)(int conn_id, int status, int mtu);
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|  | 
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|  | /** Callback invoked when a scan filter configuration command has completed */
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|  | typedef void (*scan_filter_cfg_callback)(int action, int client_if, int status, int filt_type,
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|  |                                          int avbl_space);
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|  | 
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|  | /** Callback invoked when scan param has been added, cleared, or deleted */
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|  | typedef void (*scan_filter_param_callback)(int action, int client_if, int status,
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|  |                                          int avbl_space);
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|  | 
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|  | /** Callback invoked when a scan filter configuration command has completed */
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|  | typedef void (*scan_filter_status_callback)(int enable, int client_if, int status);
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|  | 
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|  | /** Callback invoked when multi-adv enable operation has completed */
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|  | typedef void (*multi_adv_enable_callback)(int client_if, int status);
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|  | 
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|  | /** Callback invoked when multi-adv param update operation has completed */
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|  | typedef void (*multi_adv_update_callback)(int client_if, int status);
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|  | 
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|  | /** Callback invoked when multi-adv instance data set operation has completed */
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|  | typedef void (*multi_adv_data_callback)(int client_if, int status);
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|  | 
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|  | /** Callback invoked when multi-adv disable operation has completed */
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|  | typedef void (*multi_adv_disable_callback)(int client_if, int status);
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|  | 
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|  | /**
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|  |  * Callback notifying an application that a remote device connection is currently congested
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|  |  * and cannot receive any more data. An application should avoid sending more data until
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|  |  * a further callback is received indicating the congestion status has been cleared.
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|  |  */
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|  | typedef void (*congestion_callback)(int conn_id, bool congested);
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|  | /** Callback invoked when batchscan storage config operation has completed */
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|  | typedef void (*batchscan_cfg_storage_callback)(int client_if, int status);
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|  | 
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|  | /** Callback invoked when batchscan enable / disable operation has completed */
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|  | typedef void (*batchscan_enable_disable_callback)(int action, int client_if, int status);
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|  | 
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|  | /** Callback invoked when batchscan reports are obtained */
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|  | typedef void (*batchscan_reports_callback)(int client_if, int status, int report_format,
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|  |                                            int num_records, int data_len, uint8_t* rep_data);
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|  | 
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|  | /** Callback invoked when batchscan storage threshold limit is crossed */
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|  | typedef void (*batchscan_threshold_callback)(int client_if);
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|  | 
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|  | /** Track ADV VSE callback invoked when tracked device is found or lost */
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|  | typedef void (*track_adv_event_callback)(btgatt_track_adv_info_t *p_track_adv_info);
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|  | 
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|  | /** Callback invoked when scan parameter setup has completed */
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|  | typedef void (*scan_parameter_setup_completed_callback)(int client_if,
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|  |                                                         btgattc_error_t status);
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|  | 
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|  | typedef struct {
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|  |     register_client_callback            register_client_cb;
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|  |     scan_result_callback                scan_result_cb;
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|  |     connect_callback                    open_cb;
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|  |     disconnect_callback                 close_cb;
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|  |     search_complete_callback            search_complete_cb;
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|  |     search_result_callback              search_result_cb;
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|  |     get_characteristic_callback         get_characteristic_cb;
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|  |     get_descriptor_callback             get_descriptor_cb;
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|  |     get_included_service_callback       get_included_service_cb;
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|  |     register_for_notification_callback  register_for_notification_cb;
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|  |     notify_callback                     notify_cb;
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|  |     read_characteristic_callback        read_characteristic_cb;
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|  |     write_characteristic_callback       write_characteristic_cb;
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|  |     read_descriptor_callback            read_descriptor_cb;
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|  |     write_descriptor_callback           write_descriptor_cb;
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|  |     execute_write_callback              execute_write_cb;
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|  |     read_remote_rssi_callback           read_remote_rssi_cb;
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|  |     listen_callback                     listen_cb;
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|  |     configure_mtu_callback              configure_mtu_cb;
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|  |     scan_filter_cfg_callback            scan_filter_cfg_cb;
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|  |     scan_filter_param_callback          scan_filter_param_cb;
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|  |     scan_filter_status_callback         scan_filter_status_cb;
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|  |     multi_adv_enable_callback           multi_adv_enable_cb;
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|  |     multi_adv_update_callback           multi_adv_update_cb;
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|  |     multi_adv_data_callback             multi_adv_data_cb;
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|  |     multi_adv_disable_callback          multi_adv_disable_cb;
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|  |     congestion_callback                 congestion_cb;
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|  |     batchscan_cfg_storage_callback      batchscan_cfg_storage_cb;
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|  |     batchscan_enable_disable_callback   batchscan_enb_disable_cb;
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|  |     batchscan_reports_callback          batchscan_reports_cb;
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|  |     batchscan_threshold_callback        batchscan_threshold_cb;
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|  |     track_adv_event_callback            track_adv_event_cb;
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|  |     scan_parameter_setup_completed_callback scan_parameter_setup_completed_cb;
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|  | } btgatt_client_callbacks_t;
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|  | 
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|  | /** Represents the standard BT-GATT client interface. */
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|  | 
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|  | typedef struct {
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|  |     /** Registers a GATT client application with the stack */
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|  |     bt_status_t (*register_client)( bt_uuid_t *uuid );
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|  | 
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|  |     /** Unregister a client application from the stack */
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|  |     bt_status_t (*unregister_client)(int client_if );
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|  | 
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|  |     /** Start or stop LE device scanning */
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|  |     bt_status_t (*scan)( bool start );
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|  | 
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|  |     /** Create a connection to a remote LE or dual-mode device */
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|  |     bt_status_t (*connect)( int client_if, const bt_bdaddr_t *bd_addr,
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|  |                          bool is_direct, int transport );
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|  | 
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|  |     /** Disconnect a remote device or cancel a pending connection */
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|  |     bt_status_t (*disconnect)( int client_if, const bt_bdaddr_t *bd_addr,
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|  |                     int conn_id);
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|  | 
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|  |     /** Start or stop advertisements to listen for incoming connections */
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|  |     bt_status_t (*listen)(int client_if, bool start);
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|  | 
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|  |     /** Clear the attribute cache for a given device */
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|  |     bt_status_t (*refresh)( int client_if, const bt_bdaddr_t *bd_addr );
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|  | 
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|  |     /**
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|  |      * Enumerate all GATT services on a connected device.
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|  |      * Optionally, the results can be filtered for a given UUID.
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|  |      */
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|  |     bt_status_t (*search_service)(int conn_id, bt_uuid_t *filter_uuid );
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|  | 
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|  |     /**
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|  |      * Enumerate included services for a given service.
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|  |      * Set start_incl_srvc_id to NULL to get the first included service.
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|  |      */
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|  |     bt_status_t (*get_included_service)( int conn_id, btgatt_srvc_id_t *srvc_id,
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|  |                                          btgatt_srvc_id_t *start_incl_srvc_id);
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|  | 
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|  |     /**
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|  |      * Enumerate characteristics for a given service.
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|  |      * Set start_char_id to NULL to get the first characteristic.
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|  |      */
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|  |     bt_status_t (*get_characteristic)( int conn_id,
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|  |                     btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *start_char_id);
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|  | 
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|  |     /**
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|  |      * Enumerate descriptors for a given characteristic.
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|  |      * Set start_descr_id to NULL to get the first descriptor.
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|  |      */
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|  |     bt_status_t (*get_descriptor)( int conn_id,
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|  |                     btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *char_id,
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|  |                     btgatt_gatt_id_t *start_descr_id);
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|  | 
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|  |     /** Read a characteristic on a remote device */
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|  |     bt_status_t (*read_characteristic)( int conn_id,
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|  |                     btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *char_id,
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|  |                     int auth_req );
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|  | 
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|  |     /** Write a remote characteristic */
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|  |     bt_status_t (*write_characteristic)(int conn_id,
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|  |                     btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *char_id,
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|  |                     int write_type, int len, int auth_req,
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|  |                     char* p_value);
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|  | 
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|  |     /** Read the descriptor for a given characteristic */
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|  |     bt_status_t (*read_descriptor)(int conn_id,
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|  |                     btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *char_id,
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|  |                     btgatt_gatt_id_t *descr_id, int auth_req);
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|  | 
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|  |     /** Write a remote descriptor for a given characteristic */
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|  |     bt_status_t (*write_descriptor)( int conn_id,
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|  |                     btgatt_srvc_id_t *srvc_id, btgatt_gatt_id_t *char_id,
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|  |                     btgatt_gatt_id_t *descr_id, int write_type, int len,
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|  |                     int auth_req, char* p_value);
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|  | 
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|  |     /** Execute a prepared write operation */
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|  |     bt_status_t (*execute_write)(int conn_id, int execute);
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|  | 
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|  |     /**
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|  |      * Register to receive notifications or indications for a given
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|  |      * characteristic
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|  |      */
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|  |     bt_status_t (*register_for_notification)( int client_if,
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|  |                     const bt_bdaddr_t *bd_addr, btgatt_srvc_id_t *srvc_id,
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|  |                     btgatt_gatt_id_t *char_id);
 | ||
|  | 
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|  |     /** Deregister a previous request for notifications/indications */
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|  |     bt_status_t (*deregister_for_notification)( int client_if,
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|  |                     const bt_bdaddr_t *bd_addr, btgatt_srvc_id_t *srvc_id,
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|  |                     btgatt_gatt_id_t *char_id);
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|  | 
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|  |     /** Request RSSI for a given remote device */
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|  |     bt_status_t (*read_remote_rssi)( int client_if, const bt_bdaddr_t *bd_addr);
 | ||
|  | 
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|  |     /** Setup scan filter params */
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|  |     bt_status_t (*scan_filter_param_setup)(btgatt_filt_param_setup_t filt_param);
 | ||
|  | 
 | ||
|  | 
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|  |     /** Configure a scan filter condition  */
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|  |     bt_status_t (*scan_filter_add_remove)(int client_if, int action, int filt_type,
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|  |                                    int filt_index, int company_id,
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|  |                                    int company_id_mask, const bt_uuid_t *p_uuid,
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|  |                                    const bt_uuid_t *p_uuid_mask, const bt_bdaddr_t *bd_addr,
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|  |                                    char addr_type, int data_len, char* p_data, int mask_len,
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|  |                                    char* p_mask);
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|  | 
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|  |     /** Clear all scan filter conditions for specific filter index*/
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|  |     bt_status_t (*scan_filter_clear)(int client_if, int filt_index);
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|  | 
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|  |     /** Enable / disable scan filter feature*/
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|  |     bt_status_t (*scan_filter_enable)(int client_if, bool enable);
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|  | 
 | ||
|  |     /** Determine the type of the remote device (LE, BR/EDR, Dual-mode) */
 | ||
|  |     int (*get_device_type)( const bt_bdaddr_t *bd_addr );
 | ||
|  | 
 | ||
|  |     /** Set the advertising data or scan response data */
 | ||
|  |     bt_status_t (*set_adv_data)(int client_if, bool set_scan_rsp, bool include_name,
 | ||
|  |                     bool include_txpower, int min_interval, int max_interval, int appearance,
 | ||
|  |                     uint16_t manufacturer_len, char* manufacturer_data,
 | ||
|  |                     uint16_t service_data_len, char* service_data,
 | ||
|  |                     uint16_t service_uuid_len, char* service_uuid);
 | ||
|  | 
 | ||
|  |     /** Configure the MTU for a given connection */
 | ||
|  |     bt_status_t (*configure_mtu)(int conn_id, int mtu);
 | ||
|  | 
 | ||
|  |     /** Request a connection parameter update */
 | ||
|  |     bt_status_t (*conn_parameter_update)(const bt_bdaddr_t *bd_addr, int min_interval,
 | ||
|  |                     int max_interval, int latency, int timeout);
 | ||
|  | 
 | ||
|  |     /** Sets the LE scan interval and window in units of N*0.625 msec */
 | ||
|  |     bt_status_t (*set_scan_parameters)(int client_if, int scan_interval, int scan_window);
 | ||
|  | 
 | ||
|  |     /* Setup the parameters as per spec, user manual specified values and enable multi ADV */
 | ||
|  |     bt_status_t (*multi_adv_enable)(int client_if, int min_interval,int max_interval,int adv_type,
 | ||
|  |                  int chnl_map, int tx_power, int timeout_s);
 | ||
|  | 
 | ||
|  |     /* Update the parameters as per spec, user manual specified values and restart multi ADV */
 | ||
|  |     bt_status_t (*multi_adv_update)(int client_if, int min_interval,int max_interval,int adv_type,
 | ||
|  |                  int chnl_map, int tx_power, int timeout_s);
 | ||
|  | 
 | ||
|  |     /* Setup the data for the specified instance */
 | ||
|  |     bt_status_t (*multi_adv_set_inst_data)(int client_if, bool set_scan_rsp, bool include_name,
 | ||
|  |                     bool incl_txpower, int appearance, int manufacturer_len,
 | ||
|  |                     char* manufacturer_data, int service_data_len,
 | ||
|  |                     char* service_data, int service_uuid_len, char* service_uuid);
 | ||
|  | 
 | ||
|  |     /* Disable the multi adv instance */
 | ||
|  |     bt_status_t (*multi_adv_disable)(int client_if);
 | ||
|  | 
 | ||
|  |     /* Configure the batchscan storage */
 | ||
|  |     bt_status_t (*batchscan_cfg_storage)(int client_if, int batch_scan_full_max,
 | ||
|  |         int batch_scan_trunc_max, int batch_scan_notify_threshold);
 | ||
|  | 
 | ||
|  |     /* Enable batchscan */
 | ||
|  |     bt_status_t (*batchscan_enb_batch_scan)(int client_if, int scan_mode,
 | ||
|  |         int scan_interval, int scan_window, int addr_type, int discard_rule);
 | ||
|  | 
 | ||
|  |     /* Disable batchscan */
 | ||
|  |     bt_status_t (*batchscan_dis_batch_scan)(int client_if);
 | ||
|  | 
 | ||
|  |     /* Read out batchscan reports */
 | ||
|  |     bt_status_t (*batchscan_read_reports)(int client_if, int scan_mode);
 | ||
|  | 
 | ||
|  |     /** Test mode interface */
 | ||
|  |     bt_status_t (*test_command)( int command, btgatt_test_params_t* params);
 | ||
|  | 
 | ||
|  | } btgatt_client_interface_t;
 | ||
|  | 
 | ||
|  | __END_DECLS
 | ||
|  | 
 | ||
|  | #endif /* ANDROID_INCLUDE_BT_GATT_CLIENT_H */
 |