185 lines
7.7 KiB
C
185 lines
7.7 KiB
C
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/**
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* Copyright (c) 2017 - 2018, Nordic Semiconductor ASA
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*
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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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/**@file
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*
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* @defgroup nrf_sdh_ble BLE support in SoftDevice Handler
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* @{
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* @ingroup nrf_sdh
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* @brief This file contains the declarations of types and functions required for BLE stack
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* support.
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*/
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#ifndef NRF_SDH_BLE_H__
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#define NRF_SDH_BLE_H__
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#include "app_util.h"
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#include "ble.h"
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#include "nrf_section_iter.h"
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#include "sdk_config.h"
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#include "sdk_errors.h"
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @brief Size of the buffer for a BLE event. */
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#define NRF_SDH_BLE_EVT_BUF_SIZE BLE_EVT_LEN_MAX(NRF_SDH_BLE_GATT_MAX_MTU_SIZE)
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#if !(defined(__LINT__))
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/**@brief Macro for registering @ref nrf_sdh_soc_evt_observer_t. Modules that want to be
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* notified about SoC events must register the handler using this macro.
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*
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* @details This macro places the observer in a section named "sdh_soc_observers".
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*
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* @param[in] _name Observer name.
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* @param[in] _prio Priority of the observer event handler.
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* The smaller the number, the higher the priority.
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* @param[in] _handler BLE event handler.
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* @param[in] _context Parameter to the event handler.
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* @hideinitializer
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*/
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#define NRF_SDH_BLE_OBSERVER(_name, _prio, _handler, _context) \
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STATIC_ASSERT(NRF_SDH_BLE_ENABLED, "NRF_SDH_BLE_ENABLED not set!"); \
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STATIC_ASSERT(_prio < NRF_SDH_BLE_OBSERVER_PRIO_LEVELS, "Priority level unavailable."); \
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NRF_SECTION_SET_ITEM_REGISTER(sdh_ble_observers, _prio, static nrf_sdh_ble_evt_observer_t _name) = \
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{ \
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.handler = _handler, \
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.p_context = _context \
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}
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/**@brief Macro for registering an array of @ref nrf_sdh_ble_evt_observer_t.
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* Modules that want to be notified about SoC events must register the handler using
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* this macro.
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*
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* Each observer's handler will be dispatched an event with its relative context from @p _context.
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* This macro places the observer in a section named "sdh_ble_observers".
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*
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* @param[in] _name Observer name.
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* @param[in] _prio Priority of the observer event handler.
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* The smaller the number, the higher the priority.
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* @param[in] _handler BLE event handler.
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* @param[in] _context An array of parameters to the event handler.
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* @param[in] _cnt Number of observers to register.
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* @hideinitializer
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*/
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#define NRF_SDH_BLE_OBSERVERS(_name, _prio, _handler, _context, _cnt) \
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STATIC_ASSERT(NRF_SDH_BLE_ENABLED, "NRF_SDH_BLE_ENABLED not set!"); \
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STATIC_ASSERT(_prio < NRF_SDH_BLE_OBSERVER_PRIO_LEVELS, "Priority level unavailable."); \
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NRF_SECTION_SET_ITEM_REGISTER(sdh_ble_observers, _prio, static nrf_sdh_ble_evt_observer_t _name[_cnt]) = \
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{ \
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MACRO_REPEAT_FOR(_cnt, HANDLER_SET, _handler, _context) \
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}
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#if !(defined(DOXYGEN))
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#define HANDLER_SET(_idx, _handler, _context) \
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{ \
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.handler = _handler, \
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.p_context = _context[_idx], \
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},
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#endif
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#else // __LINT__
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/* Swallow semicolons */
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/*lint -save -esym(528, *) -esym(529, *) : Symbol not referenced. */
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#define NRF_SDH_BLE_OBSERVER(A, B, C, D) static int semicolon_swallow_##A
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#define NRF_SDH_BLE_OBSERVERS(A, B, C, D, E) static int semicolon_swallow_##A
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/*lint -restore */
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#endif
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/**@brief BLE stack event handler. */
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typedef void (*nrf_sdh_ble_evt_handler_t)(ble_evt_t const * p_ble_evt, void * p_context);
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/**@brief BLE event observer. */
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typedef struct
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{
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nrf_sdh_ble_evt_handler_t handler; //!< BLE event handler.
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void * p_context; //!< A parameter to the event handler.
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} const nrf_sdh_ble_evt_observer_t;
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/**@brief Function for retrieving the address of the start of application's RAM.
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*
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* @param[out] p_app_ram_start Address of the start of application's RAM.
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*
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* @retval NRF_SUCCESS If the address was successfully retrieved.
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* @retval NRF_ERROR_NULL If @p p_app_ram_start was @c NULL.
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*/
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ret_code_t nrf_sdh_ble_app_ram_start_get(uint32_t * p_app_ram_start);
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/**@brief Set the default BLE stack configuration.
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*
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* This function configures the BLE stack with the settings specified in the
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* SoftDevice handler BLE configuration. The following configurations will be set:
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* - Number of peripheral links
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* - Number of central links
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* - ATT MTU size (for the given connection)
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* - Vendor specific UUID count
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* - GATTS Attribute table size
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* - Service changed
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*
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* @param[in] conn_cfg_tag The connection to configure.
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* @param[out] p_ram_start Application RAM start address.
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*/
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ret_code_t nrf_sdh_ble_default_cfg_set(uint8_t conn_cfg_tag, uint32_t * p_ram_start);
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/**@brief Function for configuring and enabling the BLE stack.
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*
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* @param[in] p_app_ram_start Address of the start of application's RAM.
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*/
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ret_code_t nrf_sdh_ble_enable(uint32_t * p_app_ram_start);
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#ifdef __cplusplus
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}
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#endif
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#endif // NRF_SDH_BLE_H__
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/** @} */
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