183 lines
8.0 KiB
C
183 lines
8.0 KiB
C
/**
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* Copyright (c) 2017 - 2020, 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_ant ANT 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 ANT stack support.
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*/
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#ifndef NRF_SDH_ANT_H__
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#define NRF_SDH_ANT_H__
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#include "ant_parameters.h"
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#include "app_util.h"
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#include "nrf_section_iter.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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#define NRF_SDH_ANT_EVT_CHANNEL_FIELD_SIZE 1 //!< Size of the channel field in ANT stack event
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#define NRF_SDH_ANT_EVT_EVENT_FIELD_SIZE 1 //!< Size of the event field in ANT stack event
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/**@brief Size of the buffer provided to the ANT SoftDevice.
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* @hideinitializer
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*/
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#define NRF_SDH_ANT_BUF_SIZE ANT_ENABLE_GET_REQUIRED_SPACE( \
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NRF_SDH_ANT_TOTAL_CHANNELS_ALLOCATED, \
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NRF_SDH_ANT_ENCRYPTED_CHANNELS, \
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NRF_SDH_ANT_BURST_QUEUE_SIZE, \
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NRF_SDH_ANT_EVENT_QUEUE_SIZE)
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/**@brief Size of the buffer provided to the ANT SoftDevice to receive ANT events. */
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#define NRF_SDH_ANT_MESSAGE_SIZE ((CEIL_DIV(MESG_BUFFER_SIZE, sizeof(uint32_t))) * sizeof(uint32_t))
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/**@brief Size of the buffer provided to the Events Scheduler to hold ANT events. */
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#define NRF_SDH_ANT_EVT_BUF_SIZE ((CEIL_DIV(NRF_SDH_ANT_MESSAGE_SIZE + \
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NRF_SDH_ANT_EVT_CHANNEL_FIELD_SIZE + \
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NRF_SDH_ANT_EVT_EVENT_FIELD_SIZE, \
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sizeof(uint32_t))) * sizeof(uint32_t))
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#if !(defined(__LINT__))
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/**@brief Macro for registering an ANT observer. Modules that want to be
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* notified about ANT 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_ant_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 ANT 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_ANT_OBSERVER(_name, _prio, _handler, _context) \
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STATIC_ASSERT(NRF_SDH_ANT_ENABLED, "NRF_SDH_ANT_ENABLED not set!"); \
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STATIC_ASSERT(_prio < NRF_SDH_ANT_OBSERVER_PRIO_LEVELS, "Priority level unavailable."); \
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NRF_SECTION_SET_ITEM_REGISTER(sdh_ant_observers, _prio, static nrf_sdh_ant_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_ant_evt_observer_t.
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* Modules that want to be notified about ANT 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_ant_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 ANT 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_ANT_OBSERVERS(_name, _prio, _handler, _context, _cnt) \
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STATIC_ASSERT(NRF_SDH_ANT_ENABLED, "NRF_SDH_ANT_ENABLED not set!"); \
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STATIC_ASSERT(_prio < NRF_SDH_ANT_OBSERVER_PRIO_LEVELS, "Priority level unavailable."); \
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NRF_SECTION_SET_ITEM_REGISTER(sdh_ant_observers, _prio, static nrf_sdh_ant_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_ANT_OBSERVER(A, B, C, D) static int semicolon_swallow_##A
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#define NRF_SDH_ANT_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 ANT stack event. */
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typedef struct
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{
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ANT_MESSAGE message; //!< ANT Message.
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uint8_t channel; //!< Channel number.
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uint8_t event; //!< Event code.
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} ant_evt_t;
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/**@brief ANT stack event handler. */
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typedef void (*nrf_sdh_ant_evt_handler_t)(ant_evt_t * p_ant_evt, void * p_context);
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/**@brief ANT event observer. */
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typedef struct
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{
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nrf_sdh_ant_evt_handler_t handler; //!< ANT event handler.
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void * p_context; //!< A parameter to the event handler.
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} const nrf_sdh_ant_evt_observer_t;
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/**@brief Function for configuring and enabling the ANT stack.
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*
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* @details The function sets the channel configuration for the stack using the parameters
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* provided in the @c sdk_config file. It also assigns a correspondingly large
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* buffer as a static resource.
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*/
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ret_code_t nrf_sdh_ant_enable(void);
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#ifdef __cplusplus
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}
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#endif
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#endif // NRF_SDH_ANT_H__
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/** @} */
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