cc99bc54ec
For whitelist connections we always use all possible PHYs, for direct connection use PHY specified by client. Test: manual Bug: 30622771 Change-Id: I13242608385230371e8a9170fc21e3f1b0a74c78
287 lines
11 KiB
C++
287 lines
11 KiB
C++
/*
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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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#ifndef ANDROID_INCLUDE_BT_GATT_CLIENT_H
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#define ANDROID_INCLUDE_BT_GATT_CLIENT_H
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#include <stdint.h>
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#include <vector>
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#include "bt_gatt_types.h"
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#include "bt_common_types.h"
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__BEGIN_DECLS
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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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/** 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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/** Parameters for GATT read operations */
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typedef struct
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{
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uint16_t handle;
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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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/** 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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/** 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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uint16_t handle;
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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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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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/* 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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/** BT-GATT Client callback structure. */
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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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/** 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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/** 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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* 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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/** 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, uint16_t handle);
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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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/** 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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/** GATT write characteristic operation callback */
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typedef void (*write_characteristic_callback)(int conn_id, int status, uint16_t handle);
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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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/** 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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/** Callback invoked in response to write_descriptor */
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typedef void (*write_descriptor_callback)(int conn_id, int status, uint16_t handle);
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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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/** 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 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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/** GATT get database callback */
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typedef void (*get_gatt_db_callback)(int conn_id, btgatt_db_element_t *db, int count);
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/** GATT services between start_handle and end_handle were removed */
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typedef void (*services_removed_callback)(int conn_id, uint16_t start_handle, uint16_t end_handle);
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/** GATT services were added */
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typedef void (*services_added_callback)(int conn_id, btgatt_db_element_t *added, int added_count);
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/** Callback invoked when the PHY for a given connection changes */
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typedef void (*phy_updated_callback)(int conn_id, uint8_t tx_phy,
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uint8_t rx_phy, uint8_t status);
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/** Callback invoked when the connection parameters for a given connection changes */
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typedef void (*conn_updated_callback)(int conn_id, uint16_t interval,
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uint16_t latency, uint16_t timeout,
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uint8_t status);
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typedef struct {
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register_client_callback register_client_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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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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configure_mtu_callback configure_mtu_cb;
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congestion_callback congestion_cb;
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get_gatt_db_callback get_gatt_db_cb;
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services_removed_callback services_removed_cb;
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services_added_callback services_added_cb;
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phy_updated_callback phy_updated_cb;
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conn_updated_callback conn_updated_cb;
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} btgatt_client_callbacks_t;
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/** Represents the standard BT-GATT client interface. */
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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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/** Unregister a client application from the stack */
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bt_status_t (*unregister_client)(int client_if );
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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, int initiating_phys);
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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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/** 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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* 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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/** Read a characteristic on a remote device */
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bt_status_t (*read_characteristic)( int conn_id, uint16_t handle,
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int auth_req );
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/** Write a remote characteristic */
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bt_status_t (*write_characteristic)(int conn_id, uint16_t handle,
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int write_type, int auth_req,
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std::vector<uint8_t> value);
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/** Read the descriptor for a given characteristic */
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bt_status_t (*read_descriptor)(int conn_id, uint16_t handle, int auth_req);
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/** Write a remote descriptor for a given characteristic */
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bt_status_t (*write_descriptor)( int conn_id, uint16_t handle,
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int auth_req, std::vector<uint8_t> value);
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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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* 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, uint16_t handle);
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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, uint16_t handle);
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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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/** Determine the type of the remote device (LE, BR/EDR, Dual-mode) */
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int (*get_device_type)( const bt_bdaddr_t *bd_addr );
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/** Configure the MTU for a given connection */
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bt_status_t (*configure_mtu)(int conn_id, int mtu);
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/** Request a connection parameter update */
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bt_status_t (*conn_parameter_update)(const bt_bdaddr_t *bd_addr, int min_interval,
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int max_interval, int latency, int timeout);
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bt_status_t (*set_preferred_phy)(int conn_id, uint8_t tx_phy,
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uint8_t rx_phy, uint16_t phy_options);
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bt_status_t (*read_phy)(
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int conn_id,
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base::Callback<void(uint8_t tx_phy, uint8_t rx_phy, uint8_t status)>
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cb);
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/** Test mode interface */
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bt_status_t (*test_command)( int command, btgatt_test_params_t* params);
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/** Get gatt db content */
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bt_status_t (*get_gatt_db)( int conn_id);
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} btgatt_client_interface_t;
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__END_DECLS
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#endif /* ANDROID_INCLUDE_BT_GATT_CLIENT_H */
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