836 lines
49 KiB
C
836 lines
49 KiB
C
/*
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* Copyright (c) 2011 - 2017, Nordic Semiconductor ASA
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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@addtogroup BLE_GATTS Generic Attribute Profile (GATT) Server
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@{
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@brief Definitions and prototypes for the GATTS interface.
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*/
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#ifndef BLE_GATTS_H__
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#define BLE_GATTS_H__
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#include "ble_types.h"
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#include "ble_ranges.h"
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#include "ble_l2cap.h"
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#include "ble_gap.h"
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#include "ble_gatt.h"
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#include "nrf_svc.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @addtogroup BLE_GATTS_ENUMERATIONS Enumerations
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* @{ */
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/**
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* @brief GATTS API SVC numbers.
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*/
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enum BLE_GATTS_SVCS
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{
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SD_BLE_GATTS_SERVICE_ADD = BLE_GATTS_SVC_BASE, /**< Add a service. */
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SD_BLE_GATTS_INCLUDE_ADD, /**< Add an included service. */
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SD_BLE_GATTS_CHARACTERISTIC_ADD, /**< Add a characteristic. */
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SD_BLE_GATTS_DESCRIPTOR_ADD, /**< Add a generic attribute. */
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SD_BLE_GATTS_VALUE_SET, /**< Set an attribute value. */
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SD_BLE_GATTS_VALUE_GET, /**< Get an attribute value. */
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SD_BLE_GATTS_HVX, /**< Handle Value Notification or Indication. */
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SD_BLE_GATTS_SERVICE_CHANGED, /**< Perform a Service Changed Indication to one or more peers. */
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SD_BLE_GATTS_RW_AUTHORIZE_REPLY, /**< Reply to an authorization request for a read or write operation on one or more attributes. */
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SD_BLE_GATTS_SYS_ATTR_SET, /**< Set the persistent system attributes for a connection. */
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SD_BLE_GATTS_SYS_ATTR_GET, /**< Retrieve the persistent system attributes. */
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SD_BLE_GATTS_INITIAL_USER_HANDLE_GET, /**< Retrieve the first valid user handle. */
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SD_BLE_GATTS_ATTR_GET, /**< Retrieve the UUID and/or metadata of an attribute. */
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SD_BLE_GATTS_EXCHANGE_MTU_REPLY /**< Reply to Exchange MTU Request. */
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};
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/**
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* @brief GATT Server Event IDs.
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*/
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enum BLE_GATTS_EVTS
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{
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BLE_GATTS_EVT_WRITE = BLE_GATTS_EVT_BASE, /**< Write operation performed. \n See @ref ble_gatts_evt_write_t. */
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BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST, /**< Read/Write Authorization request. \n Reply with @ref sd_ble_gatts_rw_authorize_reply. \n See @ref ble_gatts_evt_rw_authorize_request_t. */
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BLE_GATTS_EVT_SYS_ATTR_MISSING, /**< A persistent system attribute access is pending. \n Respond with @ref sd_ble_gatts_sys_attr_set. \n See @ref ble_gatts_evt_sys_attr_missing_t. */
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BLE_GATTS_EVT_HVC, /**< Handle Value Confirmation. \n See @ref ble_gatts_evt_hvc_t. */
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BLE_GATTS_EVT_SC_CONFIRM, /**< Service Changed Confirmation. \n No additional event structure applies. */
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BLE_GATTS_EVT_EXCHANGE_MTU_REQUEST, /**< Exchange MTU Request. \n Reply with @ref sd_ble_gatts_exchange_mtu_reply. \n See @ref ble_gatts_evt_exchange_mtu_request_t. */
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BLE_GATTS_EVT_TIMEOUT, /**< Peer failed to respond to an ATT request in time. \n See @ref ble_gatts_evt_timeout_t. */
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BLE_GATTS_EVT_HVN_TX_COMPLETE /**< Handle Value Notification transmission complete. \n See @ref ble_gatts_evt_hvn_tx_complete_t. */
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};
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/**@brief GATTS Configuration IDs.
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*
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* IDs that uniquely identify a GATTS configuration.
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*/
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enum BLE_GATTS_CFGS
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{
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BLE_GATTS_CFG_SERVICE_CHANGED = BLE_GATTS_CFG_BASE, /**< Service changed configuration. */
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BLE_GATTS_CFG_ATTR_TAB_SIZE, /**< Attribute table size configuration. */
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};
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/** @} */
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/** @addtogroup BLE_GATTS_DEFINES Defines
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* @{ */
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/** @defgroup BLE_ERRORS_GATTS SVC return values specific to GATTS
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* @{ */
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#define BLE_ERROR_GATTS_INVALID_ATTR_TYPE (NRF_GATTS_ERR_BASE + 0x000) /**< Invalid attribute type. */
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#define BLE_ERROR_GATTS_SYS_ATTR_MISSING (NRF_GATTS_ERR_BASE + 0x001) /**< System Attributes missing. */
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/** @} */
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/** @defgroup BLE_GATTS_ATTR_LENS_MAX Maximum attribute lengths
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* @{ */
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#define BLE_GATTS_FIX_ATTR_LEN_MAX (510) /**< Maximum length for fixed length Attribute Values. */
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#define BLE_GATTS_VAR_ATTR_LEN_MAX (512) /**< Maximum length for variable length Attribute Values. */
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/** @} */
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/** @defgroup BLE_GATTS_SRVC_TYPES GATT Server Service Types
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* @{ */
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#define BLE_GATTS_SRVC_TYPE_INVALID 0x00 /**< Invalid Service Type. */
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#define BLE_GATTS_SRVC_TYPE_PRIMARY 0x01 /**< Primary Service. */
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#define BLE_GATTS_SRVC_TYPE_SECONDARY 0x02 /**< Secondary Type. */
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/** @} */
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/** @defgroup BLE_GATTS_ATTR_TYPES GATT Server Attribute Types
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* @{ */
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#define BLE_GATTS_ATTR_TYPE_INVALID 0x00 /**< Invalid Attribute Type. */
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#define BLE_GATTS_ATTR_TYPE_PRIM_SRVC_DECL 0x01 /**< Primary Service Declaration. */
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#define BLE_GATTS_ATTR_TYPE_SEC_SRVC_DECL 0x02 /**< Secondary Service Declaration. */
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#define BLE_GATTS_ATTR_TYPE_INC_DECL 0x03 /**< Include Declaration. */
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#define BLE_GATTS_ATTR_TYPE_CHAR_DECL 0x04 /**< Characteristic Declaration. */
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#define BLE_GATTS_ATTR_TYPE_CHAR_VAL 0x05 /**< Characteristic Value. */
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#define BLE_GATTS_ATTR_TYPE_DESC 0x06 /**< Descriptor. */
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#define BLE_GATTS_ATTR_TYPE_OTHER 0x07 /**< Other, non-GATT specific type. */
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/** @} */
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/** @defgroup BLE_GATTS_OPS GATT Server Operations
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* @{ */
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#define BLE_GATTS_OP_INVALID 0x00 /**< Invalid Operation. */
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#define BLE_GATTS_OP_WRITE_REQ 0x01 /**< Write Request. */
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#define BLE_GATTS_OP_WRITE_CMD 0x02 /**< Write Command. */
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#define BLE_GATTS_OP_SIGN_WRITE_CMD 0x03 /**< Signed Write Command. */
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#define BLE_GATTS_OP_PREP_WRITE_REQ 0x04 /**< Prepare Write Request. */
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#define BLE_GATTS_OP_EXEC_WRITE_REQ_CANCEL 0x05 /**< Execute Write Request: Cancel all prepared writes. */
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#define BLE_GATTS_OP_EXEC_WRITE_REQ_NOW 0x06 /**< Execute Write Request: Immediately execute all prepared writes. */
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/** @} */
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/** @defgroup BLE_GATTS_VLOCS GATT Value Locations
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* @{ */
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#define BLE_GATTS_VLOC_INVALID 0x00 /**< Invalid Location. */
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#define BLE_GATTS_VLOC_STACK 0x01 /**< Attribute Value is located in stack memory, no user memory is required. */
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#define BLE_GATTS_VLOC_USER 0x02 /**< Attribute Value is located in user memory. This requires the user to maintain a valid buffer through the lifetime of the attribute, since the stack
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will read and write directly to the memory using the pointer provided in the APIs. There are no alignment requirements for the buffer. */
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/** @} */
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/** @defgroup BLE_GATTS_AUTHORIZE_TYPES GATT Server Authorization Types
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* @{ */
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#define BLE_GATTS_AUTHORIZE_TYPE_INVALID 0x00 /**< Invalid Type. */
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#define BLE_GATTS_AUTHORIZE_TYPE_READ 0x01 /**< Authorize a Read Operation. */
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#define BLE_GATTS_AUTHORIZE_TYPE_WRITE 0x02 /**< Authorize a Write Request Operation. */
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/** @} */
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/** @defgroup BLE_GATTS_SYS_ATTR_FLAGS System Attribute Flags
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* @{ */
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#define BLE_GATTS_SYS_ATTR_FLAG_SYS_SRVCS (1 << 0) /**< Restrict system attributes to system services only. */
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#define BLE_GATTS_SYS_ATTR_FLAG_USR_SRVCS (1 << 1) /**< Restrict system attributes to user services only. */
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/** @} */
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/** @defgroup BLE_GATTS_SERVICE_CHANGED Service Changed Inclusion Values
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* @{
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*/
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#define BLE_GATTS_SERVICE_CHANGED_DEFAULT (1) /**< Default is to include the Service Changed characteristic in the Attribute Table. */
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/** @} */
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/** @defgroup BLE_GATTS_ATTR_TAB_SIZE Attribute Table size
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* @{
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*/
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#define BLE_GATTS_ATTR_TAB_SIZE_MIN (248) /**< Minimum Attribute Table size */
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#define BLE_GATTS_ATTR_TAB_SIZE_DEFAULT (1408) /**< Default Attribute Table size. */
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/** @} */
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/** @defgroup BLE_GATTS_DEFAULTS GATT Server defaults
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* @{
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*/
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#define BLE_GATTS_HVN_TX_QUEUE_SIZE_DEFAULT 1 /**< Default number of Handle Value Notifications that can be queued for transmission. */
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/** @} */
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/** @} */
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/** @addtogroup BLE_GATTS_STRUCTURES Structures
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* @{ */
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/**
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* @brief BLE GATTS connection configuration parameters, set with @ref sd_ble_cfg_set.
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*/
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typedef struct
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{
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uint8_t hvn_tx_queue_size; /**< Minimum guaranteed number of Handle Value Notifications that can be queued for transmission.
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The default value is @ref BLE_GATTS_HVN_TX_QUEUE_SIZE_DEFAULT */
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} ble_gatts_conn_cfg_t;
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/**@brief Attribute metadata. */
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typedef struct
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{
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ble_gap_conn_sec_mode_t read_perm; /**< Read permissions. */
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ble_gap_conn_sec_mode_t write_perm; /**< Write permissions. */
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uint8_t vlen :1; /**< Variable length attribute. */
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uint8_t vloc :2; /**< Value location, see @ref BLE_GATTS_VLOCS.*/
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uint8_t rd_auth :1; /**< Read authorization and value will be requested from the application on every read operation. */
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uint8_t wr_auth :1; /**< Write authorization will be requested from the application on every Write Request operation (but not Write Command). */
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} ble_gatts_attr_md_t;
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/**@brief GATT Attribute. */
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typedef struct
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{
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ble_uuid_t const *p_uuid; /**< Pointer to the attribute UUID. */
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ble_gatts_attr_md_t const *p_attr_md; /**< Pointer to the attribute metadata structure. */
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uint16_t init_len; /**< Initial attribute value length in bytes. */
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uint16_t init_offs; /**< Initial attribute value offset in bytes. If different from zero, the first init_offs bytes of the attribute value will be left uninitialized. */
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uint16_t max_len; /**< Maximum attribute value length in bytes, see @ref BLE_GATTS_ATTR_LENS_MAX for maximum values. */
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uint8_t *p_value; /**< Pointer to the attribute data. Please note that if the @ref BLE_GATTS_VLOC_USER value location is selected in the attribute metadata, this will have to point to a buffer
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that remains valid through the lifetime of the attribute. This excludes usage of automatic variables that may go out of scope or any other temporary location.
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The stack may access that memory directly without the application's knowledge. For writable characteristics, this value must not be a location in flash memory.*/
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} ble_gatts_attr_t;
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/**@brief GATT Attribute Value. */
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typedef struct
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{
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uint16_t len; /**< Length in bytes to be written or read. Length in bytes written or read after successful return.*/
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uint16_t offset; /**< Attribute value offset. */
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uint8_t *p_value; /**< Pointer to where value is stored or will be stored.
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If value is stored in user memory, only the attribute length is updated when p_value == NULL.
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Set to NULL when reading to obtain the complete length of the attribute value */
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} ble_gatts_value_t;
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/**@brief GATT Characteristic Presentation Format. */
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typedef struct
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{
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uint8_t format; /**< Format of the value, see @ref BLE_GATT_CPF_FORMATS. */
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int8_t exponent; /**< Exponent for integer data types. */
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uint16_t unit; /**< Unit from Bluetooth Assigned Numbers. */
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uint8_t name_space; /**< Namespace from Bluetooth Assigned Numbers, see @ref BLE_GATT_CPF_NAMESPACES. */
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uint16_t desc; /**< Namespace description from Bluetooth Assigned Numbers, see @ref BLE_GATT_CPF_NAMESPACES. */
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} ble_gatts_char_pf_t;
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/**@brief GATT Characteristic metadata. */
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typedef struct
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{
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ble_gatt_char_props_t char_props; /**< Characteristic Properties. */
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ble_gatt_char_ext_props_t char_ext_props; /**< Characteristic Extended Properties. */
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uint8_t const *p_char_user_desc; /**< Pointer to a UTF-8 encoded string (non-NULL terminated), NULL if the descriptor is not required. */
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uint16_t char_user_desc_max_size; /**< The maximum size in bytes of the user description descriptor. */
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uint16_t char_user_desc_size; /**< The size of the user description, must be smaller or equal to char_user_desc_max_size. */
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ble_gatts_char_pf_t const *p_char_pf; /**< Pointer to a presentation format structure or NULL if the CPF descriptor is not required. */
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ble_gatts_attr_md_t const *p_user_desc_md; /**< Attribute metadata for the User Description descriptor, or NULL for default values. */
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ble_gatts_attr_md_t const *p_cccd_md; /**< Attribute metadata for the Client Characteristic Configuration Descriptor, or NULL for default values. */
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ble_gatts_attr_md_t const *p_sccd_md; /**< Attribute metadata for the Server Characteristic Configuration Descriptor, or NULL for default values. */
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} ble_gatts_char_md_t;
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/**@brief GATT Characteristic Definition Handles. */
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typedef struct
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{
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uint16_t value_handle; /**< Handle to the characteristic value. */
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uint16_t user_desc_handle; /**< Handle to the User Description descriptor, or @ref BLE_GATT_HANDLE_INVALID if not present. */
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uint16_t cccd_handle; /**< Handle to the Client Characteristic Configuration Descriptor, or @ref BLE_GATT_HANDLE_INVALID if not present. */
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uint16_t sccd_handle; /**< Handle to the Server Characteristic Configuration Descriptor, or @ref BLE_GATT_HANDLE_INVALID if not present. */
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} ble_gatts_char_handles_t;
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/**@brief GATT HVx parameters. */
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typedef struct
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{
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uint16_t handle; /**< Characteristic Value Handle. */
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uint8_t type; /**< Indication or Notification, see @ref BLE_GATT_HVX_TYPES. */
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uint16_t offset; /**< Offset within the attribute value. */
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uint16_t *p_len; /**< Length in bytes to be written, length in bytes written after successful return. */
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uint8_t const *p_data; /**< Actual data content, use NULL to use the current attribute value. */
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} ble_gatts_hvx_params_t;
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/**@brief GATT Authorization parameters. */
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typedef struct
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{
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uint16_t gatt_status; /**< GATT status code for the operation, see @ref BLE_GATT_STATUS_CODES. */
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uint8_t update : 1; /**< If set, data supplied in p_data will be used to update the attribute value.
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Please note that for @ref BLE_GATTS_AUTHORIZE_TYPE_WRITE operations this bit must always be set,
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as the data to be written needs to be stored and later provided by the application. */
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uint16_t offset; /**< Offset of the attribute value being updated. */
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uint16_t len; /**< Length in bytes of the value in p_data pointer, see @ref BLE_GATTS_ATTR_LENS_MAX. */
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uint8_t const *p_data; /**< Pointer to new value used to update the attribute value. */
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} ble_gatts_authorize_params_t;
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/**@brief GATT Read or Write Authorize Reply parameters. */
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typedef struct
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{
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uint8_t type; /**< Type of authorize operation, see @ref BLE_GATTS_AUTHORIZE_TYPES. */
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union {
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ble_gatts_authorize_params_t read; /**< Read authorization parameters. */
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ble_gatts_authorize_params_t write; /**< Write authorization parameters. */
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} params; /**< Reply Parameters. */
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} ble_gatts_rw_authorize_reply_params_t;
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/**@brief Service Changed Inclusion configuration parameters, set with @ref sd_ble_cfg_set. */
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typedef struct
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{
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uint8_t service_changed : 1; /**< If 1, include the Service Changed characteristic in the Attribute Table. Default is @ref BLE_GATTS_SERVICE_CHANGED_DEFAULT. */
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} ble_gatts_cfg_service_changed_t;
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/**@brief Attribute table size configuration parameters, set with @ref sd_ble_cfg_set.
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*
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* @retval ::NRF_ERROR_INVALID_LENGTH One or more of the following is true:
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* - The specified Attribute Table size is too small.
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* The minimum acceptable size is defined by @ref BLE_GATTS_ATTR_TAB_SIZE_MIN.
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* - The specified Attribute Table size is not a multiple of 4.
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*/
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typedef struct
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{
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uint32_t attr_tab_size; /**< Attribute table size. Default is @ref BLE_GATTS_ATTR_TAB_SIZE_DEFAULT, minimum is @ref BLE_GATTS_ATTR_TAB_SIZE_MIN. */
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} ble_gatts_cfg_attr_tab_size_t;
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/**@brief Config structure for GATTS configurations. */
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typedef union
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{
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ble_gatts_cfg_service_changed_t service_changed; /**< Include service changed characteristic, cfg_id is @ref BLE_GATTS_CFG_SERVICE_CHANGED. */
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ble_gatts_cfg_attr_tab_size_t attr_tab_size; /**< Attribute table size, cfg_id is @ref BLE_GATTS_CFG_ATTR_TAB_SIZE. */
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} ble_gatts_cfg_t;
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/**@brief Event structure for @ref BLE_GATTS_EVT_WRITE. */
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typedef struct
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{
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uint16_t handle; /**< Attribute Handle. */
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ble_uuid_t uuid; /**< Attribute UUID. */
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uint8_t op; /**< Type of write operation, see @ref BLE_GATTS_OPS. */
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uint8_t auth_required; /**< Writing operation deferred due to authorization requirement. Application may use @ref sd_ble_gatts_value_set to finalize the writing operation. */
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uint16_t offset; /**< Offset for the write operation. */
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uint16_t len; /**< Length of the received data. */
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uint8_t data[1]; /**< Received data. @note This is a variable length array. The size of 1 indicated is only a placeholder for compilation.
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See @ref sd_ble_evt_get for more information on how to use event structures with variable length array members. */
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} ble_gatts_evt_write_t;
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/**@brief Event substructure for authorized read requests, see @ref ble_gatts_evt_rw_authorize_request_t. */
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typedef struct
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{
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uint16_t handle; /**< Attribute Handle. */
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ble_uuid_t uuid; /**< Attribute UUID. */
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uint16_t offset; /**< Offset for the read operation. */
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} ble_gatts_evt_read_t;
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/**@brief Event structure for @ref BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST. */
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typedef struct
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{
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uint8_t type; /**< Type of authorize operation, see @ref BLE_GATTS_AUTHORIZE_TYPES. */
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union {
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ble_gatts_evt_read_t read; /**< Attribute Read Parameters. */
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ble_gatts_evt_write_t write; /**< Attribute Write Parameters. */
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} request; /**< Request Parameters. */
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} ble_gatts_evt_rw_authorize_request_t;
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/**@brief Event structure for @ref BLE_GATTS_EVT_SYS_ATTR_MISSING. */
|
|
typedef struct
|
|
{
|
|
uint8_t hint; /**< Hint (currently unused). */
|
|
} ble_gatts_evt_sys_attr_missing_t;
|
|
|
|
|
|
/**@brief Event structure for @ref BLE_GATTS_EVT_HVC. */
|
|
typedef struct
|
|
{
|
|
uint16_t handle; /**< Attribute Handle. */
|
|
} ble_gatts_evt_hvc_t;
|
|
|
|
/**@brief Event structure for @ref BLE_GATTS_EVT_EXCHANGE_MTU_REQUEST. */
|
|
typedef struct
|
|
{
|
|
uint16_t client_rx_mtu; /**< Client RX MTU size. */
|
|
} ble_gatts_evt_exchange_mtu_request_t;
|
|
|
|
/**@brief Event structure for @ref BLE_GATTS_EVT_TIMEOUT. */
|
|
typedef struct
|
|
{
|
|
uint8_t src; /**< Timeout source, see @ref BLE_GATT_TIMEOUT_SOURCES. */
|
|
} ble_gatts_evt_timeout_t;
|
|
|
|
/**@brief Event structure for @ref BLE_GATTS_EVT_HVN_TX_COMPLETE. */
|
|
typedef struct
|
|
{
|
|
uint8_t count; /**< Number of notification transmissions completed. */
|
|
} ble_gatts_evt_hvn_tx_complete_t;
|
|
|
|
/**@brief GATTS event structure. */
|
|
typedef struct
|
|
{
|
|
uint16_t conn_handle; /**< Connection Handle on which the event occurred. */
|
|
union
|
|
{
|
|
ble_gatts_evt_write_t write; /**< Write Event Parameters. */
|
|
ble_gatts_evt_rw_authorize_request_t authorize_request; /**< Read or Write Authorize Request Parameters. */
|
|
ble_gatts_evt_sys_attr_missing_t sys_attr_missing; /**< System attributes missing. */
|
|
ble_gatts_evt_hvc_t hvc; /**< Handle Value Confirmation Event Parameters. */
|
|
ble_gatts_evt_exchange_mtu_request_t exchange_mtu_request; /**< Exchange MTU Request Event Parameters. */
|
|
ble_gatts_evt_timeout_t timeout; /**< Timeout Event. */
|
|
ble_gatts_evt_hvn_tx_complete_t hvn_tx_complete; /**< Handle Value Notification transmission complete Event Parameters. */
|
|
} params; /**< Event Parameters. */
|
|
} ble_gatts_evt_t;
|
|
|
|
/** @} */
|
|
|
|
/** @addtogroup BLE_GATTS_FUNCTIONS Functions
|
|
* @{ */
|
|
|
|
/**@brief Add a service declaration to the Attribute Table.
|
|
*
|
|
* @note Secondary Services are only relevant in the context of the entity that references them, it is therefore forbidden to
|
|
* add a secondary service declaration that is not referenced by another service later in the Attribute Table.
|
|
*
|
|
* @mscs
|
|
* @mmsc{@ref BLE_GATTS_ATT_TABLE_POP_MSC}
|
|
* @endmscs
|
|
*
|
|
* @param[in] type Toggles between primary and secondary services, see @ref BLE_GATTS_SRVC_TYPES.
|
|
* @param[in] p_uuid Pointer to service UUID.
|
|
* @param[out] p_handle Pointer to a 16-bit word where the assigned handle will be stored.
|
|
*
|
|
* @retval ::NRF_SUCCESS Successfully added a service declaration.
|
|
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
|
|
* @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied, Vendor Specific UUIDs need to be present in the table.
|
|
* @retval ::NRF_ERROR_FORBIDDEN Forbidden value supplied, certain UUIDs are reserved for the stack.
|
|
* @retval ::NRF_ERROR_NO_MEM Not enough memory to complete operation.
|
|
*/
|
|
SVCALL(SD_BLE_GATTS_SERVICE_ADD, uint32_t, sd_ble_gatts_service_add(uint8_t type, ble_uuid_t const *p_uuid, uint16_t *p_handle));
|
|
|
|
|
|
/**@brief Add an include declaration to the Attribute Table.
|
|
*
|
|
* @note It is currently only possible to add an include declaration to the last added service (i.e. only sequential population is supported at this time).
|
|
*
|
|
* @note The included service must already be present in the Attribute Table prior to this call.
|
|
*
|
|
* @mscs
|
|
* @mmsc{@ref BLE_GATTS_ATT_TABLE_POP_MSC}
|
|
* @endmscs
|
|
*
|
|
* @param[in] service_handle Handle of the service where the included service is to be placed, if @ref BLE_GATT_HANDLE_INVALID is used, it will be placed sequentially.
|
|
* @param[in] inc_srvc_handle Handle of the included service.
|
|
* @param[out] p_include_handle Pointer to a 16-bit word where the assigned handle will be stored.
|
|
*
|
|
* @retval ::NRF_SUCCESS Successfully added an include declaration.
|
|
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
|
|
* @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied, handle values need to match previously added services.
|
|
* @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
|
|
* @retval ::NRF_ERROR_NOT_SUPPORTED Feature is not supported, service_handle must be that of the last added service.
|
|
* @retval ::NRF_ERROR_FORBIDDEN Forbidden value supplied, self inclusions are not allowed.
|
|
* @retval ::NRF_ERROR_NO_MEM Not enough memory to complete operation.
|
|
* @retval ::NRF_ERROR_NOT_FOUND Attribute not found.
|
|
*/
|
|
SVCALL(SD_BLE_GATTS_INCLUDE_ADD, uint32_t, sd_ble_gatts_include_add(uint16_t service_handle, uint16_t inc_srvc_handle, uint16_t *p_include_handle));
|
|
|
|
|
|
/**@brief Add a characteristic declaration, a characteristic value declaration and optional characteristic descriptor declarations to the Attribute Table.
|
|
*
|
|
* @note It is currently only possible to add a characteristic to the last added service (i.e. only sequential population is supported at this time).
|
|
*
|
|
* @note Several restrictions apply to the parameters, such as matching permissions between the user description descriptor and the writable auxiliaries bits,
|
|
* readable (no security) and writable (selectable) CCCDs and SCCDs and valid presentation format values.
|
|
*
|
|
* @note If no metadata is provided for the optional descriptors, their permissions will be derived from the characteristic permissions.
|
|
*
|
|
* @mscs
|
|
* @mmsc{@ref BLE_GATTS_ATT_TABLE_POP_MSC}
|
|
* @endmscs
|
|
*
|
|
* @param[in] service_handle Handle of the service where the characteristic is to be placed, if @ref BLE_GATT_HANDLE_INVALID is used, it will be placed sequentially.
|
|
* @param[in] p_char_md Characteristic metadata.
|
|
* @param[in] p_attr_char_value Pointer to the attribute structure corresponding to the characteristic value.
|
|
* @param[out] p_handles Pointer to the structure where the assigned handles will be stored.
|
|
*
|
|
* @retval ::NRF_SUCCESS Successfully added a characteristic.
|
|
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
|
|
* @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied, service handle, Vendor Specific UUIDs, lengths, and permissions need to adhere to the constraints.
|
|
* @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation, a service context is required.
|
|
* @retval ::NRF_ERROR_FORBIDDEN Forbidden value supplied, certain UUIDs are reserved for the stack.
|
|
* @retval ::NRF_ERROR_NO_MEM Not enough memory to complete operation.
|
|
* @retval ::NRF_ERROR_DATA_SIZE Invalid data size(s) supplied, attribute lengths are restricted by @ref BLE_GATTS_ATTR_LENS_MAX.
|
|
*/
|
|
SVCALL(SD_BLE_GATTS_CHARACTERISTIC_ADD, uint32_t, sd_ble_gatts_characteristic_add(uint16_t service_handle, ble_gatts_char_md_t const *p_char_md, ble_gatts_attr_t const *p_attr_char_value, ble_gatts_char_handles_t *p_handles));
|
|
|
|
|
|
/**@brief Add a descriptor to the Attribute Table.
|
|
*
|
|
* @note It is currently only possible to add a descriptor to the last added characteristic (i.e. only sequential population is supported at this time).
|
|
*
|
|
* @mscs
|
|
* @mmsc{@ref BLE_GATTS_ATT_TABLE_POP_MSC}
|
|
* @endmscs
|
|
*
|
|
* @param[in] char_handle Handle of the characteristic where the descriptor is to be placed, if @ref BLE_GATT_HANDLE_INVALID is used, it will be placed sequentially.
|
|
* @param[in] p_attr Pointer to the attribute structure.
|
|
* @param[out] p_handle Pointer to a 16-bit word where the assigned handle will be stored.
|
|
*
|
|
* @retval ::NRF_SUCCESS Successfully added a descriptor.
|
|
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
|
|
* @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied, characteristic handle, Vendor Specific UUIDs, lengths, and permissions need to adhere to the constraints.
|
|
* @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation, a characteristic context is required.
|
|
* @retval ::NRF_ERROR_FORBIDDEN Forbidden value supplied, certain UUIDs are reserved for the stack.
|
|
* @retval ::NRF_ERROR_NO_MEM Not enough memory to complete operation.
|
|
* @retval ::NRF_ERROR_DATA_SIZE Invalid data size(s) supplied, attribute lengths are restricted by @ref BLE_GATTS_ATTR_LENS_MAX.
|
|
*/
|
|
SVCALL(SD_BLE_GATTS_DESCRIPTOR_ADD, uint32_t, sd_ble_gatts_descriptor_add(uint16_t char_handle, ble_gatts_attr_t const *p_attr, uint16_t *p_handle));
|
|
|
|
/**@brief Set the value of a given attribute.
|
|
*
|
|
* @note Values other than system attributes can be set at any time, regardless of whether any active connections exist.
|
|
*
|
|
* @mscs
|
|
* @mmsc{@ref BLE_GATTS_QUEUED_WRITE_QUEUE_FULL_MSC}
|
|
* @mmsc{@ref BLE_GATTS_QUEUED_WRITE_NOBUF_NOAUTH_MSC}
|
|
* @endmscs
|
|
*
|
|
* @param[in] conn_handle Connection handle. Ignored if the value does not belong to a system attribute.
|
|
* @param[in] handle Attribute handle.
|
|
* @param[in,out] p_value Attribute value information.
|
|
*
|
|
* @retval ::NRF_SUCCESS Successfully set the value of the attribute.
|
|
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
|
|
* @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
|
|
* @retval ::NRF_ERROR_NOT_FOUND Attribute not found.
|
|
* @retval ::NRF_ERROR_FORBIDDEN Forbidden handle supplied, certain attributes are not modifiable by the application.
|
|
* @retval ::NRF_ERROR_DATA_SIZE Invalid data size(s) supplied, attribute lengths are restricted by @ref BLE_GATTS_ATTR_LENS_MAX.
|
|
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied on a system attribute.
|
|
*/
|
|
SVCALL(SD_BLE_GATTS_VALUE_SET, uint32_t, sd_ble_gatts_value_set(uint16_t conn_handle, uint16_t handle, ble_gatts_value_t *p_value));
|
|
|
|
/**@brief Get the value of a given attribute.
|
|
*
|
|
* @note If the attribute value is longer than the size of the supplied buffer,
|
|
* p_len will return the total attribute value length (excluding offset),
|
|
* and not the number of bytes actually returned in p_data.
|
|
* The application may use this information to allocate a suitable buffer size.
|
|
*
|
|
* @note When retrieving system attribute values with this function, the connection handle
|
|
* may refer to an already disconnected connection. Refer to the documentation of
|
|
* @ref sd_ble_gatts_sys_attr_get for further information.
|
|
*
|
|
* @param[in] conn_handle Connection handle. Ignored if the value does not belong to a system attribute.
|
|
* @param[in] handle Attribute handle.
|
|
* @param[in,out] p_value Attribute value information.
|
|
*
|
|
* @retval ::NRF_SUCCESS Successfully retrieved the value of the attribute.
|
|
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
|
|
* @retval ::NRF_ERROR_NOT_FOUND Attribute not found.
|
|
* @retval ::NRF_ERROR_INVALID_PARAM Invalid attribute offset supplied.
|
|
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied on a system attribute.
|
|
* @retval ::BLE_ERROR_GATTS_SYS_ATTR_MISSING System attributes missing, use @ref sd_ble_gatts_sys_attr_set to set them to a known value.
|
|
*/
|
|
SVCALL(SD_BLE_GATTS_VALUE_GET, uint32_t, sd_ble_gatts_value_get(uint16_t conn_handle, uint16_t handle, ble_gatts_value_t *p_value));
|
|
|
|
/**@brief Notify or Indicate an attribute value.
|
|
*
|
|
* @details This function checks for the relevant Client Characteristic Configuration descriptor value to verify that the relevant operation
|
|
* (notification or indication) has been enabled by the client. It is also able to update the attribute value before issuing the PDU, so that
|
|
* the application can atomically perform a value update and a server initiated transaction with a single API call.
|
|
*
|
|
* @note The local attribute value may be updated even if an outgoing packet is not sent to the peer due to an error during execution.
|
|
* The Attribute Table has been updated if one of the following error codes is returned: @ref NRF_ERROR_INVALID_STATE, @ref NRF_ERROR_BUSY,
|
|
* @ref NRF_ERROR_FORBIDDEN, @ref BLE_ERROR_GATTS_SYS_ATTR_MISSING and @ref NRF_ERROR_RESOURCES.
|
|
* The caller can check whether the value has been updated by looking at the contents of *(p_hvx_params->p_len).
|
|
*
|
|
* @note Only one indication procedure can be ongoing per connection at a time.
|
|
* If the application tries to indicate an attribute value while another indication procedure is ongoing,
|
|
* the function call will return @ref NRF_ERROR_BUSY.
|
|
* A @ref BLE_GATTS_EVT_HVC event will be issued as soon as the confirmation arrives from the peer.
|
|
*
|
|
* @note The number of Handle Value Notifications that can be queued is configured by @ref ble_gatts_conn_cfg_t::hvn_tx_queue_size
|
|
* When the queue is full, the function call will return @ref NRF_ERROR_RESOURCES.
|
|
* A @ref BLE_GATTS_EVT_HVN_TX_COMPLETE event will be issued as soon as the transmission of the notification is complete.
|
|
*
|
|
* @note The application can keep track of the available queue element count for notifications by following the procedure below:
|
|
* - Store initial queue element count in a variable.
|
|
* - Decrement the variable, which stores the currently available queue element count, by one when a call to this function returns @ref NRF_SUCCESS.
|
|
* - Increment the variable, which stores the current available queue element count, by the count variable in @ref BLE_GATTS_EVT_HVN_TX_COMPLETE event.
|
|
*
|
|
* @events
|
|
* @event{@ref BLE_GATTS_EVT_HVN_TX_COMPLETE, Notification transmission complete.}
|
|
* @event{@ref BLE_GATTS_EVT_HVC, Confirmation received from the peer.}
|
|
* @endevents
|
|
*
|
|
* @mscs
|
|
* @mmsc{@ref BLE_GATTS_HVX_SYS_ATTRS_MISSING_MSC}
|
|
* @mmsc{@ref BLE_GATTS_HVN_MSC}
|
|
* @mmsc{@ref BLE_GATTS_HVI_MSC}
|
|
* @mmsc{@ref BLE_GATTS_HVX_DISABLED_MSC}
|
|
* @endmscs
|
|
*
|
|
* @param[in] conn_handle Connection handle.
|
|
* @param[in] p_hvx_params Pointer to an HVx parameters structure. If the p_data member contains a non-NULL pointer the attribute value will be updated with
|
|
* the contents pointed by it before sending the notification or indication.
|
|
*
|
|
* @retval ::NRF_SUCCESS Successfully queued a notification or indication for transmission, and optionally updated the attribute value.
|
|
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle.
|
|
* @retval ::NRF_ERROR_INVALID_STATE One or more of the following is true:
|
|
* - Invalid Connection State
|
|
* - Notifications and/or indications not enabled in the CCCD
|
|
* - An ATT_MTU exchange is ongoing
|
|
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
|
|
* @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
|
|
* @retval ::BLE_ERROR_INVALID_ATTR_HANDLE Invalid attribute handle(s) supplied. Only attributes added directly by the application are available to notify and indicate.
|
|
* @retval ::BLE_ERROR_GATTS_INVALID_ATTR_TYPE Invalid attribute type(s) supplied, only characteristic values may be notified and indicated.
|
|
* @retval ::NRF_ERROR_NOT_FOUND Attribute not found.
|
|
* @retval ::NRF_ERROR_FORBIDDEN The connection's current security level is lower than the one required by the write permissions of the CCCD associated with this characteristic.
|
|
* @retval ::NRF_ERROR_DATA_SIZE Invalid data size(s) supplied.
|
|
* @retval ::NRF_ERROR_BUSY For @ref BLE_GATT_HVX_INDICATION Procedure already in progress. Wait for a @ref BLE_GATTS_EVT_HVC event and retry.
|
|
* @retval ::BLE_ERROR_GATTS_SYS_ATTR_MISSING System attributes missing, use @ref sd_ble_gatts_sys_attr_set to set them to a known value.
|
|
* @retval ::NRF_ERROR_RESOURCES Too many notifications queued.
|
|
* Wait for a @ref BLE_GATTS_EVT_HVN_TX_COMPLETE event and retry.
|
|
*/
|
|
SVCALL(SD_BLE_GATTS_HVX, uint32_t, sd_ble_gatts_hvx(uint16_t conn_handle, ble_gatts_hvx_params_t const *p_hvx_params));
|
|
|
|
/**@brief Indicate the Service Changed attribute value.
|
|
*
|
|
* @details This call will send a Handle Value Indication to one or more peers connected to inform them that the Attribute
|
|
* Table layout has changed. As soon as the peer has confirmed the indication, a @ref BLE_GATTS_EVT_SC_CONFIRM event will
|
|
* be issued.
|
|
*
|
|
* @note Some of the restrictions and limitations that apply to @ref sd_ble_gatts_hvx also apply here.
|
|
*
|
|
* @events
|
|
* @event{@ref BLE_GATTS_EVT_SC_CONFIRM, Confirmation of attribute table change received from peer.}
|
|
* @endevents
|
|
*
|
|
* @mscs
|
|
* @mmsc{@ref BLE_GATTS_SC_MSC}
|
|
* @endmscs
|
|
*
|
|
* @param[in] conn_handle Connection handle.
|
|
* @param[in] start_handle Start of affected attribute handle range.
|
|
* @param[in] end_handle End of affected attribute handle range.
|
|
*
|
|
* @retval ::NRF_SUCCESS Successfully queued the Service Changed indication for transmission.
|
|
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle.
|
|
* @retval ::NRF_ERROR_NOT_SUPPORTED Service Changed not enabled at initialization. See @ref
|
|
* sd_ble_cfg_set and @ref ble_gatts_cfg_service_changed_t.
|
|
* @retval ::NRF_ERROR_INVALID_STATE One or more of the following is true:
|
|
* - Invalid Connection State
|
|
* - Notifications and/or indications not enabled in the CCCD
|
|
* - An ATT_MTU exchange is ongoing
|
|
* @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
|
|
* @retval ::BLE_ERROR_INVALID_ATTR_HANDLE Invalid attribute handle(s) supplied, handles must be in the range populated by the application.
|
|
* @retval ::NRF_ERROR_BUSY Procedure already in progress.
|
|
* @retval ::BLE_ERROR_GATTS_SYS_ATTR_MISSING System attributes missing, use @ref sd_ble_gatts_sys_attr_set to set them to a known value.
|
|
*/
|
|
SVCALL(SD_BLE_GATTS_SERVICE_CHANGED, uint32_t, sd_ble_gatts_service_changed(uint16_t conn_handle, uint16_t start_handle, uint16_t end_handle));
|
|
|
|
/**@brief Respond to a Read/Write authorization request.
|
|
*
|
|
* @note This call should only be used as a response to a @ref BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST event issued to the application.
|
|
*
|
|
* @mscs
|
|
* @mmsc{@ref BLE_GATTS_QUEUED_WRITE_NOBUF_AUTH_MSC}
|
|
* @mmsc{@ref BLE_GATTS_QUEUED_WRITE_BUF_AUTH_MSC}
|
|
* @mmsc{@ref BLE_GATTS_QUEUED_WRITE_NOBUF_NOAUTH_MSC}
|
|
* @mmsc{@ref BLE_GATTS_READ_REQ_AUTH_MSC}
|
|
* @mmsc{@ref BLE_GATTS_WRITE_REQ_AUTH_MSC}
|
|
* @mmsc{@ref BLE_GATTS_QUEUED_WRITE_QUEUE_FULL_MSC}
|
|
* @mmsc{@ref BLE_GATTS_QUEUED_WRITE_PEER_CANCEL_MSC}
|
|
* @endmscs
|
|
*
|
|
* @param[in] conn_handle Connection handle.
|
|
* @param[in] p_rw_authorize_reply_params Pointer to a structure with the attribute provided by the application.
|
|
*
|
|
* @note @ref ble_gatts_authorize_params_t::p_data is ignored when this function is used to respond
|
|
* to a @ref BLE_GATTS_AUTHORIZE_TYPE_READ event if @ref ble_gatts_authorize_params_t::update
|
|
* is set to 0.
|
|
*
|
|
* @retval ::NRF_SUCCESS Successfully queued a response to the peer, and in the case of a write operation, Attribute Table updated.
|
|
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle.
|
|
* @retval ::NRF_ERROR_BUSY The stack is busy, process pending events and retry.
|
|
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
|
|
* @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State or no authorization request pending.
|
|
* @retval ::NRF_ERROR_INVALID_PARAM Authorization op invalid,
|
|
* handle supplied does not match requested handle,
|
|
* or invalid data to be written provided by the application.
|
|
*/
|
|
SVCALL(SD_BLE_GATTS_RW_AUTHORIZE_REPLY, uint32_t, sd_ble_gatts_rw_authorize_reply(uint16_t conn_handle, ble_gatts_rw_authorize_reply_params_t const *p_rw_authorize_reply_params));
|
|
|
|
|
|
/**@brief Update persistent system attribute information.
|
|
*
|
|
* @details Supply information about persistent system attributes to the stack,
|
|
* previously obtained using @ref sd_ble_gatts_sys_attr_get.
|
|
* This call is only allowed for active connections, and is usually
|
|
* made immediately after a connection is established with an known bonded device,
|
|
* often as a response to a @ref BLE_GATTS_EVT_SYS_ATTR_MISSING.
|
|
*
|
|
* p_sysattrs may point directly to the application's stored copy of the system attributes
|
|
* obtained using @ref sd_ble_gatts_sys_attr_get.
|
|
* If the pointer is NULL, the system attribute info is initialized, assuming that
|
|
* the application does not have any previously saved system attribute data for this device.
|
|
*
|
|
* @note The state of persistent system attributes is reset upon connection establishment and then remembered for its duration.
|
|
*
|
|
* @note If this call returns with an error code different from @ref NRF_SUCCESS, the storage of persistent system attributes may have been completed only partially.
|
|
* This means that the state of the attribute table is undefined, and the application should either provide a new set of attributes using this same call or
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|
* reset the SoftDevice to return to a known state.
|
|
*
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|
* @note When the @ref BLE_GATTS_SYS_ATTR_FLAG_SYS_SRVCS is used with this function, only the system attributes included in system services will be modified.
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|
* @note When the @ref BLE_GATTS_SYS_ATTR_FLAG_USR_SRVCS is used with this function, only the system attributes included in user services will be modified.
|
|
*
|
|
* @mscs
|
|
* @mmsc{@ref BLE_GATTS_HVX_SYS_ATTRS_MISSING_MSC}
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|
* @mmsc{@ref BLE_GATTS_SYS_ATTRS_UNK_PEER_MSC}
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|
* @mmsc{@ref BLE_GATTS_SYS_ATTRS_BONDED_PEER_MSC}
|
|
* @endmscs
|
|
*
|
|
* @param[in] conn_handle Connection handle.
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|
* @param[in] p_sys_attr_data Pointer to a saved copy of system attributes supplied to the stack, or NULL.
|
|
* @param[in] len Size of data pointed by p_sys_attr_data, in octets.
|
|
* @param[in] flags Optional additional flags, see @ref BLE_GATTS_SYS_ATTR_FLAGS
|
|
*
|
|
* @retval ::NRF_SUCCESS Successfully set the system attribute information.
|
|
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle.
|
|
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
|
|
* @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State.
|
|
* @retval ::NRF_ERROR_INVALID_PARAM Invalid flags supplied.
|
|
* @retval ::NRF_ERROR_INVALID_DATA Invalid data supplied, the data should be exactly the same as retrieved with @ref sd_ble_gatts_sys_attr_get.
|
|
* @retval ::NRF_ERROR_NO_MEM Not enough memory to complete operation.
|
|
*/
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|
SVCALL(SD_BLE_GATTS_SYS_ATTR_SET, uint32_t, sd_ble_gatts_sys_attr_set(uint16_t conn_handle, uint8_t const *p_sys_attr_data, uint16_t len, uint32_t flags));
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|
|
|
|
|
/**@brief Retrieve persistent system attribute information from the stack.
|
|
*
|
|
* @details This call is used to retrieve information about values to be stored persistently by the application
|
|
* during the lifetime of a connection or after it has been terminated. When a new connection is established with the same bonded device,
|
|
* the system attribute information retrieved with this function should be restored using using @ref sd_ble_gatts_sys_attr_set.
|
|
* If retrieved after disconnection, the data should be read before a new connection established. The connection handle for
|
|
* the previous, now disconnected, connection will remain valid until a new one is created to allow this API call to refer to it.
|
|
* Connection handles belonging to active connections can be used as well, but care should be taken since the system attributes
|
|
* may be written to at any time by the peer during a connection's lifetime.
|
|
*
|
|
* @note When the @ref BLE_GATTS_SYS_ATTR_FLAG_SYS_SRVCS is used with this function, only the system attributes included in system services will be returned.
|
|
* @note When the @ref BLE_GATTS_SYS_ATTR_FLAG_USR_SRVCS is used with this function, only the system attributes included in user services will be returned.
|
|
*
|
|
* @mscs
|
|
* @mmsc{@ref BLE_GATTS_SYS_ATTRS_BONDED_PEER_MSC}
|
|
* @endmscs
|
|
*
|
|
* @param[in] conn_handle Connection handle of the recently terminated connection.
|
|
* @param[out] p_sys_attr_data Pointer to a buffer where updated information about system attributes will be filled in. The format of the data is described
|
|
* in @ref BLE_GATTS_SYS_ATTRS_FORMAT. NULL can be provided to obtain the length of the data.
|
|
* @param[in,out] p_len Size of application buffer if p_sys_attr_data is not NULL. Unconditionally updated to actual length of system attribute data.
|
|
* @param[in] flags Optional additional flags, see @ref BLE_GATTS_SYS_ATTR_FLAGS
|
|
*
|
|
* @retval ::NRF_SUCCESS Successfully retrieved the system attribute information.
|
|
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle.
|
|
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
|
|
* @retval ::NRF_ERROR_INVALID_PARAM Invalid flags supplied.
|
|
* @retval ::NRF_ERROR_DATA_SIZE The system attribute information did not fit into the provided buffer.
|
|
* @retval ::NRF_ERROR_NOT_FOUND No system attributes found.
|
|
*/
|
|
SVCALL(SD_BLE_GATTS_SYS_ATTR_GET, uint32_t, sd_ble_gatts_sys_attr_get(uint16_t conn_handle, uint8_t *p_sys_attr_data, uint16_t *p_len, uint32_t flags));
|
|
|
|
|
|
/**@brief Retrieve the first valid user attribute handle.
|
|
*
|
|
* @param[out] p_handle Pointer to an integer where the handle will be stored.
|
|
*
|
|
* @retval ::NRF_SUCCESS Successfully retrieved the handle.
|
|
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
|
|
*/
|
|
SVCALL(SD_BLE_GATTS_INITIAL_USER_HANDLE_GET, uint32_t, sd_ble_gatts_initial_user_handle_get(uint16_t *p_handle));
|
|
|
|
/**@brief Retrieve the attribute UUID and/or metadata.
|
|
*
|
|
* @param[in] handle Attribute handle
|
|
* @param[out] p_uuid UUID of the attribute. Use NULL to omit this field.
|
|
* @param[out] p_md Metadata of the attribute. Use NULL to omit this field.
|
|
*
|
|
* @retval ::NRF_SUCCESS Successfully retrieved the attribute metadata,
|
|
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
|
|
* @retval ::NRF_ERROR_INVALID_PARAM Invalid parameters supplied. Returned when both @c p_uuid and @c p_md are NULL.
|
|
* @retval ::NRF_ERROR_NOT_FOUND Attribute was not found.
|
|
*/
|
|
SVCALL(SD_BLE_GATTS_ATTR_GET, uint32_t, sd_ble_gatts_attr_get(uint16_t handle, ble_uuid_t * p_uuid, ble_gatts_attr_md_t * p_md));
|
|
|
|
/**@brief Reply to an ATT_MTU exchange request by sending an Exchange MTU Response to the client.
|
|
*
|
|
* @details This function is only used to reply to a @ref BLE_GATTS_EVT_EXCHANGE_MTU_REQUEST event.
|
|
*
|
|
* @details The SoftDevice sets ATT_MTU to the minimum of:
|
|
* - The Client RX MTU value from @ref BLE_GATTS_EVT_EXCHANGE_MTU_REQUEST, and
|
|
* - The Server RX MTU value.
|
|
*
|
|
* However, the SoftDevice never sets ATT_MTU lower than @ref BLE_GATT_ATT_MTU_DEFAULT.
|
|
*
|
|
* @mscs
|
|
* @mmsc{@ref BLE_GATTS_MTU_EXCHANGE}
|
|
* @endmscs
|
|
*
|
|
* @param[in] conn_handle The connection handle identifying the connection to perform this procedure on.
|
|
* @param[in] server_rx_mtu Server RX MTU size.
|
|
* - The minimum value is @ref BLE_GATT_ATT_MTU_DEFAULT.
|
|
* - The maximum value is @ref ble_gatt_conn_cfg_t::att_mtu in the connection configuration
|
|
used for this connection.
|
|
* - The value must be equal to Client RX MTU size given in @ref sd_ble_gattc_exchange_mtu_request
|
|
* if an ATT_MTU exchange has already been performed in the other direction.
|
|
*
|
|
* @retval ::NRF_SUCCESS Successfully sent response to the client.
|
|
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle.
|
|
* @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State or no ATT_MTU exchange request pending.
|
|
* @retval ::NRF_ERROR_INVALID_PARAM Invalid Server RX MTU size supplied.
|
|
*/
|
|
SVCALL(SD_BLE_GATTS_EXCHANGE_MTU_REPLY, uint32_t, sd_ble_gatts_exchange_mtu_reply(uint16_t conn_handle, uint16_t server_rx_mtu));
|
|
/** @} */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif // BLE_GATTS_H__
|
|
|
|
/**
|
|
@}
|
|
*/
|