549 lines
22 KiB
C
549 lines
22 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 "common/bt_target.h"
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#include "bta/bta_sys.h"
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#include "bta/bta_gatt_api.h"
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#include "bta/bta_gattc_ci.h"
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#include "bta/bta_gattc_co.h"
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#include "osi/fixed_queue.h"
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#include "osi/mutex.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_API_REFRESH_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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BTA_GATTC_INT_START_IF_EVT,
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BTA_GATTC_API_REG_EVT,
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BTA_GATTC_API_DEREG_EVT,
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BTA_GATTC_API_LISTEN_EVT,
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BTA_GATTC_API_BROADCAST_EVT,
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BTA_GATTC_API_DISABLE_EVT,
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BTA_GATTC_ENC_CMPL_EVT,
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BTA_GATTC_API_CACHE_ASSOC_EVT,
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BTA_GATTC_API_CACHE_GET_ADDR_LIST_EVT,
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};
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typedef UINT16 tBTA_GATTC_INT_EVT;
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#define BTA_GATTC_SERVICE_CHANGED_LEN 4
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typedef enum {
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BTA_GATTC_SERVICE_INFO_FROM_REMOTE_DEVICE = 0,
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BTA_GATTC_SERVICE_INFO_FROM_NVS_FLASH = 1,
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BTA_GATTC_SERVICE_INFO_FROM_UNKNOWN = 2,
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} tBTA_SERVICE_SOURCE_t;
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/* max client application GATTC can support */
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#ifndef BTA_GATTC_CL_MAX
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#if (GATT_MAX_PHY_CHANNEL > 3)
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#define BTA_GATTC_CL_MAX GATT_MAX_PHY_CHANNEL
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#else
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#define BTA_GATTC_CL_MAX 3 // The origin value is 10
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#endif
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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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#if (GATT_MAX_PHY_CHANNEL > 3)
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#define BTA_GATTC_KNOWN_SR_MAX GATT_MAX_PHY_CHANNEL
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#else
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#define BTA_GATTC_KNOWN_SR_MAX 3 // The origin value is 10
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#endif
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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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#define BTA_GATTC_INVALID_HANDLE 0
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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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tBT_UUID app_uuid;
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tBTA_GATTC_CBACK *p_cback;
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} tBTA_GATTC_API_REG;
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typedef struct {
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BT_HDR hdr;
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tBTA_GATTC_IF client_if;
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} tBTA_GATTC_INT_START_IF;
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typedef tBTA_GATTC_INT_START_IF tBTA_GATTC_API_DEREG;
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typedef tBTA_GATTC_INT_START_IF tBTA_GATTC_INT_DEREG;
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typedef struct {
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BT_HDR hdr;
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BD_ADDR remote_bda;
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tBTA_ADDR_TYPE remote_addr_type;
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tBTA_GATTC_IF client_if;
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BOOLEAN is_direct;
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tBTA_TRANSPORT transport;
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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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UINT16 handle;
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tBTA_GATTC_EVT cmpl_evt;
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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 handle;
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tBTA_GATTC_EVT cmpl_evt;
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tBTA_GATTC_WRITE_TYPE write_type;
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UINT16 offset;
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UINT16 len;
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UINT8 *p_value;
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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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BOOLEAN 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 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 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 num_attr;
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UINT16 handles[GATT_MAX_READ_MULTI_HANDLES];
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tBTA_GATTC_EVT cmpl_evt;
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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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BD_ADDR_PTR remote_bda;
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tBTA_GATTC_IF client_if;
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BOOLEAN start;
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} tBTA_GATTC_API_LISTEN;
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typedef struct {
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BT_HDR hdr;
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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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tBTA_GATTC_IF client_if;
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BD_ADDR src_addr;
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BD_ADDR assoc_addr;
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BOOLEAN is_assoc;
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} tBTA_GATTC_API_CACHE_ASSOC;
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typedef struct {
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BT_HDR hdr;
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tBTA_GATTC_IF client_if;
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} tBTA_GATTC_API_GET_ADDR;
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typedef struct {
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BT_HDR hdr;
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BD_ADDR remote_bda;
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tBTA_GATTC_IF client_if;
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UINT8 role;
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tBT_TRANSPORT transport;
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tGATT_DISCONN_REASON reason;
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BOOLEAN already_connect;
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} tBTA_GATTC_INT_CONN;
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typedef struct {
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BT_HDR hdr;
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BD_ADDR remote_bda;
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tBTA_GATTC_IF client_if;
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} tBTA_GATTC_ENC_CMPL;
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typedef union {
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BT_HDR hdr;
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tBTA_GATTC_API_REG api_reg;
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tBTA_GATTC_API_DEREG api_dereg;
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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_API_CACHE_ASSOC api_assoc;
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tBTA_GATTC_API_GET_ADDR api_get_addr;
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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_ENC_CMPL enc_cmpl;
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tBTA_GATTC_INT_START_IF int_start_if;
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tBTA_GATTC_INT_DEREG int_dereg;
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/* if peripheral role is supported */
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tBTA_GATTC_API_LISTEN api_listen;
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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 s_handle;
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UINT16 e_handle;
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// this field is set only for characteristic
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UINT16 char_decl_handle;
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BOOLEAN 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 (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 tBTA_GATTC_STATE;
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typedef struct {
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BOOLEAN in_use;
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BD_ADDR server_bda;
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BOOLEAN 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 state;
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list_t *p_srvc_cache; /* list of tBTA_GATTC_SERVICE */
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UINT8 update_count; /* indication received */
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UINT8 num_clcb; /* number of associated CLCB */
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tBTA_GATTC_ATTR_REC *p_srvc_list;
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UINT8 cur_srvc_idx;
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UINT8 cur_char_idx;
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UINT8 next_avail_idx;
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UINT8 total_srvc;
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UINT8 total_char;
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UINT16 total_attr;
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UINT8 srvc_hdl_chg; /* service handle change indication pending */
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UINT16 attr_index; /* cahce NV saving/loading attribute index */
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UINT16 mtu;
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bool update_incl_srvc;
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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 7//15
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#endif
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typedef struct {
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BOOLEAN in_use;
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BD_ADDR remote_bda;
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UINT16 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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BOOLEAN in_use;
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tBTA_GATTC_IF client_if; /* client interface with BTE stack for this application */
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UINT8 num_clcb; /* number of associated CLCB */
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BOOLEAN 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 address */
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typedef struct {
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UINT16 bta_conn_id; /* client channel ID, unique for clcb */
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BD_ADDR 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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list_t *p_cmd_list; /* The list to store the command to be sent */
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BOOLEAN is_full; /* The gattc command queue is full or not */
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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 auto_update; /* auto update is waiting */
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BOOLEAN disc_active;
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BOOLEAN in_use;
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tBTA_GATTC_STATE state;
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tBTA_GATT_STATUS status;
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UINT16 reason;
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UINT8 searched_service_source;
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} tBTA_GATTC_CLCB;
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/* background connection tracking information */
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#if GATT_MAX_APPS <= 8
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typedef UINT8 tBTA_GATTC_CIF_MASK ;
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#elif GATT_MAX_APPS <= 16
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typedef UINT16 tBTA_GATTC_CIF_MASK;
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#elif GATT_MAX_APPS <= 32
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typedef UINT32 tBTA_GATTC_CIF_MASK;
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#endif
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typedef struct {
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BOOLEAN in_use;
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BD_ADDR remote_bda;
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tBTA_GATTC_CIF_MASK cif_mask;
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tBTA_GATTC_CIF_MASK cif_adv_mask;
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} tBTA_GATTC_BG_TCK;
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typedef struct {
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BOOLEAN in_use;
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BD_ADDR remote_bda;
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UINT16 svc_change_descr_handle;
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BOOLEAN write_remote_svc_change_ccc_done;
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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 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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typedef enum {
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SERVICE_CHANGE_CCC_WRITTEN_SUCCESS = 0,
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SERVICE_CHANGE_CACHE_NOT_FOUND,
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SERVICE_CHANGE_SERVICE_NOT_FOUND,
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SERVICE_CHANGE_CHAR_NOT_FOUND,
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SERVICE_CHANGE_CCC_NOT_FOUND,
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SERVICE_CHANGE_WRITE_CCC_FAILED
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}tBTA_GATTC_FIND_SERVICE_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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#if BTA_DYNAMIC_MEMORY == FALSE
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extern tBTA_GATTC_CB bta_gattc_cb;
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#else
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extern tBTA_GATTC_CB *bta_gattc_cb_ptr;
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#define bta_gattc_cb (*bta_gattc_cb_ptr)
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#endif
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/*****************************************************************************
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** Function prototypes
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*****************************************************************************/
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extern BOOLEAN bta_gattc_hdl_event(BT_HDR *p_msg);
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extern BOOLEAN bta_gattc_sm_execute(tBTA_GATTC_CLCB *p_clcb, UINT16 event, tBTA_GATTC_DATA *p_data);
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/* function processed outside SM */
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extern void bta_gattc_disable(tBTA_GATTC_CB *p_cb);
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extern void bta_gattc_register(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data);
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extern void bta_gattc_start_if(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data);
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extern void bta_gattc_process_api_open (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
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extern void bta_gattc_process_api_open_cancel (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
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extern void bta_gattc_deregister(tBTA_GATTC_CB *p_cb, tBTA_GATTC_RCB *p_clreg);
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extern void bta_gattc_process_enc_cmpl(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
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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, tBTA_GATTC_DATA *p_data);
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extern void bta_gattc_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
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extern void bta_gattc_cancel_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
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extern void bta_gattc_cancel_open_ok(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
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extern void bta_gattc_cancel_open_error(tBTA_GATTC_CLCB *p_clcb, 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_conncback(tBTA_GATTC_RCB *p_rcb, tBTA_GATTC_DATA *p_data);
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extern void bta_gattc_disconncback(tBTA_GATTC_RCB *p_rcb, 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, tBTA_GATTC_DATA *p_data);
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extern void bta_gattc_disc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
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extern void bta_gattc_start_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
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extern void bta_gattc_disc_cmpl(tBTA_GATTC_CLCB *p_clcb, 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_free_command_data(tBTA_GATTC_CLCB *p_clcb);
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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, 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, tBTA_GATTC_DATA *p_data);
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extern void bta_gattc_ignore_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
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extern void bta_gattc_restart_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_msg);
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extern void bta_gattc_init_bk_conn(tBTA_GATTC_API_OPEN *p_data, 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, tBTA_GATT_STATUS status,
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BD_ADDR remote_bda, UINT16 conn_id, tBTA_TRANSPORT transport, UINT16 mtu);
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extern void bta_gattc_send_connect_cback( tBTA_GATTC_RCB *p_clreg, BD_ADDR remote_bda, UINT16 conn_id);
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extern void bta_gattc_send_disconnect_cback( tBTA_GATTC_RCB *p_clreg, tGATT_DISCONN_REASON reason,
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BD_ADDR remote_bda, UINT16 conn_id);
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extern void bta_gattc_process_api_refresh(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
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extern void bta_gattc_process_api_cache_assoc(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
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extern void bta_gattc_process_api_cache_get_addr_list(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
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extern void bta_gattc_cfg_mtu(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
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#if BLE_INCLUDED == TRUE
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extern void bta_gattc_listen(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
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extern void bta_gattc_broadcast(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
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#endif
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/* utility functions */
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extern tBTA_GATTC_CLCB *bta_gattc_find_clcb_by_cif (UINT8 client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport);
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extern tBTA_GATTC_CLCB *bta_gattc_find_clcb_by_conn_id (UINT16 conn_id);
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extern tBTA_GATTC_CLCB *bta_gattc_clcb_alloc(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, 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, BD_ADDR remote_bda, tBTA_TRANSPORT transport);
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extern tBTA_GATTC_RCB *bta_gattc_cl_get_regcb(UINT8 client_if);
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extern tBTA_GATTC_SERV *bta_gattc_find_srcb(BD_ADDR bda);
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extern tBTA_GATTC_SERV *bta_gattc_srcb_alloc(BD_ADDR bda);
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extern tBTA_GATTC_SERV *bta_gattc_find_scb_by_cid (UINT16 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 BOOLEAN bta_gattc_enqueue(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
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extern BOOLEAN bta_gattc_uuid_compare (const tBT_UUID *p_src, const tBT_UUID *p_tar, BOOLEAN is_precise);
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extern BOOLEAN bta_gattc_check_notif_registry(tBTA_GATTC_RCB *p_clreg, tBTA_GATTC_SERV *p_srcb, tBTA_GATTC_NOTIFY *p_notify);
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extern BOOLEAN bta_gattc_mark_bg_conn (tBTA_GATTC_IF client_if, BD_ADDR_PTR remote_bda, BOOLEAN add, BOOLEAN is_listen);
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extern BOOLEAN bta_gattc_check_bg_conn (tBTA_GATTC_IF client_if, BD_ADDR remote_bda, UINT8 role);
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extern UINT8 bta_gattc_num_reg_app(void);
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extern void bta_gattc_clear_notif_registration(tBTA_GATTC_SERV *p_srcb, UINT16 conn_id, UINT16 start_handle, UINT16 end_handle);
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extern void bta_gattc_clear_notif_registration_by_bda(tBTA_GATTC_RCB *p_clrcb, BD_ADDR remote_bda);
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extern tBTA_GATTC_SERV * bta_gattc_find_srvr_cache(BD_ADDR bda);
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/* discovery functions */
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extern void bta_gattc_disc_res_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_DISC_RES *p_data);
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extern void bta_gattc_disc_cmpl_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_STATUS status);
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extern tBTA_GATT_STATUS bta_gattc_discover_procedure(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 disc_type);
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extern tBTA_GATT_STATUS bta_gattc_discover_pri_service(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 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 conn_id);
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extern const tBTA_GATTC_SERVICE* bta_gattc_get_service_for_handle(UINT16 conn_id, UINT16 handle);
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tBTA_GATTC_CHARACTERISTIC* bta_gattc_get_characteristic_srcb(tBTA_GATTC_SERV *p_srcb, UINT16 handle);
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extern tBTA_GATTC_CHARACTERISTIC* bta_gattc_get_characteristic(UINT16 conn_id, UINT16 handle);
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extern tBTA_GATTC_DESCRIPTOR* bta_gattc_get_descriptor(UINT16 conn_id, UINT16 handle);
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extern void bta_gattc_get_db_size_handle(UINT16 conn_id, UINT16 start_handle, UINT16 end_handle, UINT16 *count);
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extern void bta_gattc_get_db_size_with_type_handle(UINT16 conn_id, bt_gatt_db_attribute_type_t type,
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UINT16 start_handle, UINT16 end_handle, UINT16 char_handle, UINT16 *count);
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extern void bta_gattc_get_service_with_uuid(UINT16 conn_id, tBT_UUID *svc_uuid,
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btgatt_db_element_t **svc_db,
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UINT16 *count);
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extern void bta_gattc_get_db_with_opration(UINT16 conn_id,
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bt_gatt_get_db_op_t op,
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UINT16 char_handle,
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tBT_UUID *incl_uuid,
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tBT_UUID *char_uuid,
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tBT_UUID *descr_uuid,
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UINT16 start_handle, UINT16 end_handle,
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btgatt_db_element_t **char_db,
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UINT16 *count);
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extern void bta_gattc_get_gatt_db(UINT16 conn_id, UINT16 start_handle, UINT16 end_handle, btgatt_db_element_t **db, UINT16 *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 num_attr, tBTA_GATTC_NV_ATTR *attr);
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extern void bta_gattc_cache_save(tBTA_GATTC_SERV *p_srvc_cb, UINT16 conn_id);
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extern void bta_gattc_reset_discover_st(tBTA_GATTC_SERV *p_srcb, tBTA_GATT_STATUS status);
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extern tBTA_GATTC_CONN *bta_gattc_conn_alloc(BD_ADDR remote_bda);
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extern tBTA_GATTC_CONN *bta_gattc_conn_find(BD_ADDR remote_bda);
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extern tBTA_GATTC_CONN *bta_gattc_conn_find_alloc(BD_ADDR remote_bda);
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extern BOOLEAN bta_gattc_conn_dealloc(BD_ADDR 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(BD_ADDR server_bda);
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extern void bta_gattc_deinit(void);
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#endif /* BTA_GATTC_INT_H */
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