479 lines
17 KiB
C
479 lines
17 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2003-2012 Broadcom Corporation
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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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*
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* This is the private file for the file transfer client (FTC).
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*
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******************************************************************************/
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#ifndef BTA_GATTC_INT_H
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#define BTA_GATTC_INT_H
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#include "bt_target.h"
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#include "bta_gatt_api.h"
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#include "bta_sys.h"
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#include "osi/include/fixed_queue.h"
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#include "bt_common.h"
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/*****************************************************************************
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* Constants and data types
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****************************************************************************/
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enum {
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BTA_GATTC_API_OPEN_EVT = BTA_SYS_EVT_START(BTA_ID_GATTC),
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BTA_GATTC_INT_OPEN_FAIL_EVT,
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BTA_GATTC_API_CANCEL_OPEN_EVT,
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BTA_GATTC_INT_CANCEL_OPEN_OK_EVT,
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BTA_GATTC_API_READ_EVT,
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BTA_GATTC_API_WRITE_EVT,
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BTA_GATTC_API_EXEC_EVT,
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BTA_GATTC_API_CFG_MTU_EVT,
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BTA_GATTC_API_CLOSE_EVT,
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BTA_GATTC_API_SEARCH_EVT,
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BTA_GATTC_API_CONFIRM_EVT,
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BTA_GATTC_API_READ_MULTI_EVT,
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BTA_GATTC_INT_CONN_EVT,
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BTA_GATTC_INT_DISCOVER_EVT,
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BTA_GATTC_DISCOVER_CMPL_EVT,
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BTA_GATTC_OP_CMPL_EVT,
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BTA_GATTC_INT_DISCONN_EVT
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};
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typedef uint16_t tBTA_GATTC_INT_EVT;
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#define BTA_GATTC_SERVICE_CHANGED_LEN 4
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/* max client application GATTC can support */
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#ifndef BTA_GATTC_CL_MAX
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#define BTA_GATTC_CL_MAX 32
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#endif
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/* max known devices GATTC can support */
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#ifndef BTA_GATTC_KNOWN_SR_MAX
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#define BTA_GATTC_KNOWN_SR_MAX 10
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#endif
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#define BTA_GATTC_CONN_MAX GATT_MAX_PHY_CHANNEL
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#ifndef BTA_GATTC_CLCB_MAX
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#define BTA_GATTC_CLCB_MAX GATT_CL_MAX_LCB
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#endif
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#define BTA_GATTC_WRITE_PREPARE GATT_WRITE_PREPARE
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/* internal strucutre for GATTC register API */
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typedef struct {
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BT_HDR hdr;
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RawAddress remote_bda;
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tBTA_GATTC_IF client_if;
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bool is_direct;
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tBTA_TRANSPORT transport;
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uint8_t initiating_phys;
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bool opportunistic;
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} tBTA_GATTC_API_OPEN;
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typedef tBTA_GATTC_API_OPEN tBTA_GATTC_API_CANCEL_OPEN;
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typedef struct {
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BT_HDR hdr;
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tBTA_GATT_AUTH_REQ auth_req;
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// read by handle data
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uint16_t handle;
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// read by UUID data
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tBT_UUID uuid;
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uint16_t s_handle;
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uint16_t e_handle;
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tBTA_GATTC_EVT cmpl_evt;
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GATT_READ_OP_CB read_cb;
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void* read_cb_data;
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} tBTA_GATTC_API_READ;
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typedef struct {
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BT_HDR hdr;
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tBTA_GATT_AUTH_REQ auth_req;
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uint16_t handle;
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tBTA_GATTC_WRITE_TYPE write_type;
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uint16_t offset;
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uint16_t len;
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uint8_t* p_value;
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GATT_WRITE_OP_CB write_cb;
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void* write_cb_data;
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} tBTA_GATTC_API_WRITE;
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typedef struct {
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BT_HDR hdr;
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bool is_execute;
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} tBTA_GATTC_API_EXEC;
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typedef struct {
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BT_HDR hdr;
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uint16_t handle;
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} tBTA_GATTC_API_CONFIRM;
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typedef tGATT_CL_COMPLETE tBTA_GATTC_CMPL;
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typedef struct {
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BT_HDR hdr;
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uint8_t op_code;
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tGATT_STATUS status;
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tBTA_GATTC_CMPL* p_cmpl;
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} tBTA_GATTC_OP_CMPL;
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typedef struct {
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BT_HDR hdr;
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tBT_UUID* p_srvc_uuid;
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} tBTA_GATTC_API_SEARCH;
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typedef struct {
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BT_HDR hdr;
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tBTA_GATT_AUTH_REQ auth_req;
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uint8_t num_attr;
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uint16_t handles[GATT_MAX_READ_MULTI_HANDLES];
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} tBTA_GATTC_API_READ_MULTI;
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typedef struct {
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BT_HDR hdr;
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uint16_t mtu;
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} tBTA_GATTC_API_CFG_MTU;
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typedef struct {
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BT_HDR hdr;
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RawAddress remote_bda;
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tBTA_GATTC_IF client_if;
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uint8_t role;
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tBT_TRANSPORT transport;
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tGATT_DISCONN_REASON reason;
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} tBTA_GATTC_INT_CONN;
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typedef union {
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BT_HDR hdr;
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tBTA_GATTC_API_OPEN api_conn;
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tBTA_GATTC_API_CANCEL_OPEN api_cancel_conn;
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tBTA_GATTC_API_READ api_read;
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tBTA_GATTC_API_SEARCH api_search;
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tBTA_GATTC_API_WRITE api_write;
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tBTA_GATTC_API_CONFIRM api_confirm;
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tBTA_GATTC_API_EXEC api_exec;
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tBTA_GATTC_API_READ_MULTI api_read_multi;
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tBTA_GATTC_API_CFG_MTU api_mtu;
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tBTA_GATTC_OP_CMPL op_cmpl;
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tBTA_GATTC_INT_CONN int_conn;
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} tBTA_GATTC_DATA;
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/* GATT server cache on the client */
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typedef struct {
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tBT_UUID uuid;
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uint16_t s_handle;
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uint16_t e_handle;
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// this field is set only for characteristic
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uint16_t char_decl_handle;
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bool is_primary;
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tBTA_GATT_CHAR_PROP property;
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} tBTA_GATTC_ATTR_REC;
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#define BTA_GATTC_MAX_CACHE_CHAR 40
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#define BTA_GATTC_ATTR_LIST_SIZE \
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(BTA_GATTC_MAX_CACHE_CHAR * sizeof(tBTA_GATTC_ATTR_REC))
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#ifndef BTA_GATTC_CACHE_SRVR_SIZE
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#define BTA_GATTC_CACHE_SRVR_SIZE 600
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#endif
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enum {
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BTA_GATTC_IDLE_ST = 0, /* Idle */
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BTA_GATTC_W4_CONN_ST, /* Wait for connection - (optional) */
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BTA_GATTC_CONN_ST, /* connected state */
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BTA_GATTC_DISCOVER_ST /* discover is in progress */
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};
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typedef uint8_t tBTA_GATTC_STATE;
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typedef struct {
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bool in_use;
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RawAddress server_bda;
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bool connected;
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#define BTA_GATTC_SERV_IDLE 0
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#define BTA_GATTC_SERV_LOAD 1
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#define BTA_GATTC_SERV_SAVE 2
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#define BTA_GATTC_SERV_DISC 3
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#define BTA_GATTC_SERV_DISC_ACT 4
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uint8_t state;
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list_t* p_srvc_cache; /* list of tBTA_GATTC_SERVICE */
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uint8_t update_count; /* indication received */
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uint8_t num_clcb; /* number of associated CLCB */
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tBTA_GATTC_ATTR_REC* p_srvc_list;
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uint8_t cur_srvc_idx;
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uint8_t cur_char_idx;
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uint8_t next_avail_idx;
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uint8_t total_srvc;
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uint8_t total_char;
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uint8_t srvc_hdl_chg; /* service handle change indication pending */
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uint16_t attr_index; /* cahce NV saving/loading attribute index */
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uint16_t mtu;
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} tBTA_GATTC_SERV;
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#ifndef BTA_GATTC_NOTIF_REG_MAX
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#define BTA_GATTC_NOTIF_REG_MAX 15
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#endif
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typedef struct {
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bool in_use;
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RawAddress remote_bda;
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uint16_t handle;
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} tBTA_GATTC_NOTIF_REG;
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typedef struct {
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tBTA_GATTC_CBACK* p_cback;
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bool in_use;
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tBTA_GATTC_IF
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client_if; /* client interface with BTE stack for this application */
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uint8_t num_clcb; /* number of associated CLCB */
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bool dereg_pending;
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tBT_UUID app_uuid;
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tBTA_GATTC_NOTIF_REG notif_reg[BTA_GATTC_NOTIF_REG_MAX];
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} tBTA_GATTC_RCB;
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/* client channel is a mapping between a BTA client(cl_id) and a remote BD
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* address */
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typedef struct {
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uint16_t bta_conn_id; /* client channel ID, unique for clcb */
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RawAddress bda;
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tBTA_TRANSPORT transport; /* channel transport */
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tBTA_GATTC_RCB* p_rcb; /* pointer to the registration CB */
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tBTA_GATTC_SERV* p_srcb; /* server cache CB */
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tBTA_GATTC_DATA* p_q_cmd; /* command in queue waiting for execution */
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#define BTA_GATTC_NO_SCHEDULE 0
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#define BTA_GATTC_DISC_WAITING 0x01
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#define BTA_GATTC_REQ_WAITING 0x10
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uint8_t auto_update; /* auto update is waiting */
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bool disc_active;
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bool in_use;
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tBTA_GATTC_STATE state;
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tBTA_GATT_STATUS status;
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uint16_t reason;
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} tBTA_GATTC_CLCB;
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/* back ground connection tracking information */
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#if GATT_MAX_APPS <= 8
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typedef uint8_t tBTA_GATTC_CIF_MASK;
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#elif GATT_MAX_APPS <= 16
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typedef uint16_t tBTA_GATTC_CIF_MASK;
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#elif GATT_MAX_APPS <= 32
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typedef uint32_t tBTA_GATTC_CIF_MASK;
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#endif
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typedef struct {
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bool in_use;
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RawAddress remote_bda;
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tBTA_GATTC_CIF_MASK cif_mask;
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} tBTA_GATTC_BG_TCK;
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typedef struct {
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bool in_use;
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RawAddress remote_bda;
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} tBTA_GATTC_CONN;
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enum {
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BTA_GATTC_STATE_DISABLED,
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BTA_GATTC_STATE_ENABLING,
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BTA_GATTC_STATE_ENABLED,
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BTA_GATTC_STATE_DISABLING
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};
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typedef struct {
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uint8_t state;
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tBTA_GATTC_CONN conn_track[BTA_GATTC_CONN_MAX];
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tBTA_GATTC_BG_TCK bg_track[BTA_GATTC_KNOWN_SR_MAX];
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tBTA_GATTC_RCB cl_rcb[BTA_GATTC_CL_MAX];
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tBTA_GATTC_CLCB clcb[BTA_GATTC_CLCB_MAX];
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tBTA_GATTC_SERV known_server[BTA_GATTC_KNOWN_SR_MAX];
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} tBTA_GATTC_CB;
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/*****************************************************************************
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* Global data
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****************************************************************************/
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/* GATTC control block */
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extern tBTA_GATTC_CB bta_gattc_cb;
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/*****************************************************************************
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* Function prototypes
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****************************************************************************/
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extern bool bta_gattc_hdl_event(BT_HDR* p_msg);
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extern bool bta_gattc_sm_execute(tBTA_GATTC_CLCB* p_clcb, uint16_t event,
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tBTA_GATTC_DATA* p_data);
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/* function processed outside SM */
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extern void bta_gattc_disable();
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extern void bta_gattc_register(tBT_UUID* p_app_uuid, tBTA_GATTC_CBACK* p_data,
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BtaAppRegisterCallback cb);
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extern void bta_gattc_process_api_open(tBTA_GATTC_DATA* p_msg);
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extern void bta_gattc_process_api_open_cancel(tBTA_GATTC_DATA* p_msg);
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extern void bta_gattc_deregister(tBTA_GATTC_RCB* p_clreg);
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/* function within state machine */
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extern void bta_gattc_open(tBTA_GATTC_CLCB* p_clcb, tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_open_fail(tBTA_GATTC_CLCB* p_clcb,
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tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_open_error(tBTA_GATTC_CLCB* p_clcb,
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tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_cancel_open(tBTA_GATTC_CLCB* p_clcb,
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tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_cancel_open_ok(tBTA_GATTC_CLCB* p_clcb,
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tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_cancel_open_error(tBTA_GATTC_CLCB* p_clcb,
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tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_conn(tBTA_GATTC_CLCB* p_clcb, tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_close(tBTA_GATTC_CLCB* p_clcb, tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_close_fail(tBTA_GATTC_CLCB* p_clcb,
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tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_disc_close(tBTA_GATTC_CLCB* p_clcb,
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tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_start_discover(tBTA_GATTC_CLCB* p_clcb,
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tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_disc_cmpl(tBTA_GATTC_CLCB* p_clcb,
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tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_read(tBTA_GATTC_CLCB* p_clcb, tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_write(tBTA_GATTC_CLCB* p_clcb, tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_op_cmpl(tBTA_GATTC_CLCB* p_clcb, tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_q_cmd(tBTA_GATTC_CLCB* p_clcb, tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_search(tBTA_GATTC_CLCB* p_clcb, tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_fail(tBTA_GATTC_CLCB* p_clcb, tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_confirm(tBTA_GATTC_CLCB* p_clcb, tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_execute(tBTA_GATTC_CLCB* p_clcb, tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_read_multi(tBTA_GATTC_CLCB* p_clcb,
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tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_ci_open(tBTA_GATTC_CLCB* p_clcb, tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_ci_close(tBTA_GATTC_CLCB* p_clcb,
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tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_ignore_op_cmpl(tBTA_GATTC_CLCB* p_clcb,
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tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_restart_discover(tBTA_GATTC_CLCB* p_clcb,
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tBTA_GATTC_DATA* p_msg);
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extern void bta_gattc_init_bk_conn(tBTA_GATTC_API_OPEN* p_data,
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tBTA_GATTC_RCB* p_clreg);
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extern void bta_gattc_cancel_bk_conn(tBTA_GATTC_API_CANCEL_OPEN* p_data);
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extern void bta_gattc_send_open_cback(tBTA_GATTC_RCB* p_clreg,
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tBTA_GATT_STATUS status,
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const RawAddress& remote_bda,
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uint16_t conn_id,
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tBTA_TRANSPORT transport, uint16_t mtu);
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extern void bta_gattc_process_api_refresh(const RawAddress& remote_bda);
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extern void bta_gattc_cfg_mtu(tBTA_GATTC_CLCB* p_clcb, tBTA_GATTC_DATA* p_data);
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extern void bta_gattc_listen(tBTA_GATTC_DATA* p_msg);
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extern void bta_gattc_broadcast(tBTA_GATTC_DATA* p_msg);
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/* utility functions */
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extern tBTA_GATTC_CLCB* bta_gattc_find_clcb_by_cif(uint8_t client_if,
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const RawAddress& remote_bda,
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tBTA_TRANSPORT transport);
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extern tBTA_GATTC_CLCB* bta_gattc_find_clcb_by_conn_id(uint16_t conn_id);
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extern tBTA_GATTC_CLCB* bta_gattc_clcb_alloc(tBTA_GATTC_IF client_if,
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const RawAddress& remote_bda,
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tBTA_TRANSPORT transport);
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extern void bta_gattc_clcb_dealloc(tBTA_GATTC_CLCB* p_clcb);
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extern tBTA_GATTC_CLCB* bta_gattc_find_alloc_clcb(tBTA_GATTC_IF client_if,
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const RawAddress& remote_bda,
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tBTA_TRANSPORT transport);
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extern tBTA_GATTC_RCB* bta_gattc_cl_get_regcb(uint8_t client_if);
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extern tBTA_GATTC_SERV* bta_gattc_find_srcb(const RawAddress& bda);
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extern tBTA_GATTC_SERV* bta_gattc_srcb_alloc(const RawAddress& bda);
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extern tBTA_GATTC_SERV* bta_gattc_find_scb_by_cid(uint16_t conn_id);
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extern tBTA_GATTC_CLCB* bta_gattc_find_int_conn_clcb(tBTA_GATTC_DATA* p_msg);
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extern tBTA_GATTC_CLCB* bta_gattc_find_int_disconn_clcb(tBTA_GATTC_DATA* p_msg);
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extern bool bta_gattc_enqueue(tBTA_GATTC_CLCB* p_clcb, tBTA_GATTC_DATA* p_data);
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extern bool bta_gattc_uuid_compare(const tBT_UUID* p_src, const tBT_UUID* p_tar,
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bool is_precise);
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extern bool bta_gattc_check_notif_registry(tBTA_GATTC_RCB* p_clreg,
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tBTA_GATTC_SERV* p_srcb,
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tBTA_GATTC_NOTIFY* p_notify);
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extern bool bta_gattc_mark_bg_conn(tBTA_GATTC_IF client_if,
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const RawAddress& remote_bda, bool add);
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extern bool bta_gattc_check_bg_conn(tBTA_GATTC_IF client_if,
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const RawAddress& remote_bda, uint8_t role);
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extern uint8_t bta_gattc_num_reg_app(void);
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extern void bta_gattc_clear_notif_registration(tBTA_GATTC_SERV* p_srcb,
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uint16_t conn_id,
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uint16_t start_handle,
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uint16_t end_handle);
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extern tBTA_GATTC_SERV* bta_gattc_find_srvr_cache(const RawAddress& bda);
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/* discovery functions */
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extern void bta_gattc_disc_res_cback(uint16_t conn_id,
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tGATT_DISC_TYPE disc_type,
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tGATT_DISC_RES* p_data);
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extern void bta_gattc_disc_cmpl_cback(uint16_t conn_id,
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tGATT_DISC_TYPE disc_type,
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tGATT_STATUS status);
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extern tBTA_GATT_STATUS bta_gattc_discover_procedure(
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uint16_t conn_id, tBTA_GATTC_SERV* p_server_cb, uint8_t disc_type);
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extern tBTA_GATT_STATUS bta_gattc_discover_pri_service(
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uint16_t conn_id, tBTA_GATTC_SERV* p_server_cb, uint8_t disc_type);
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extern void bta_gattc_search_service(tBTA_GATTC_CLCB* p_clcb, tBT_UUID* p_uuid);
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extern const list_t* bta_gattc_get_services(uint16_t conn_id);
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extern const tBTA_GATTC_SERVICE* bta_gattc_get_service_for_handle(
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uint16_t conn_id, uint16_t handle);
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tBTA_GATTC_CHARACTERISTIC* bta_gattc_get_characteristic_srcb(
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tBTA_GATTC_SERV* p_srcb, uint16_t handle);
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extern tBTA_GATTC_CHARACTERISTIC* bta_gattc_get_characteristic(uint16_t conn_id,
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uint16_t handle);
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extern tBTA_GATTC_DESCRIPTOR* bta_gattc_get_descriptor(uint16_t conn_id,
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uint16_t handle);
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extern void bta_gattc_get_gatt_db(uint16_t conn_id, uint16_t start_handle,
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uint16_t end_handle, btgatt_db_element_t** db,
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int* count);
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extern tBTA_GATT_STATUS bta_gattc_init_cache(tBTA_GATTC_SERV* p_srvc_cb);
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extern void bta_gattc_rebuild_cache(tBTA_GATTC_SERV* p_srcv, uint16_t num_attr,
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tBTA_GATTC_NV_ATTR* attr);
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extern void bta_gattc_cache_save(tBTA_GATTC_SERV* p_srvc_cb, uint16_t conn_id);
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extern void bta_gattc_reset_discover_st(tBTA_GATTC_SERV* p_srcb,
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tBTA_GATT_STATUS status);
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extern tBTA_GATTC_CONN* bta_gattc_conn_alloc(const RawAddress& remote_bda);
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extern tBTA_GATTC_CONN* bta_gattc_conn_find(const RawAddress& remote_bda);
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extern tBTA_GATTC_CONN* bta_gattc_conn_find_alloc(const RawAddress& remote_bda);
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extern bool bta_gattc_conn_dealloc(const RawAddress& remote_bda);
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extern bool bta_gattc_cache_load(tBTA_GATTC_CLCB* p_clcb);
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extern void bta_gattc_cache_reset(const RawAddress& server_bda);
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#endif /* BTA_GATTC_INT_H */
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