/** * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA * * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form, except as embedded into a Nordic * Semiconductor ASA integrated circuit in a product or a software update for * such product, must reproduce the above copyright notice, this list of * conditions and the following disclaimer in the documentation and/or other * materials provided with the distribution. * * 3. Neither the name of Nordic Semiconductor ASA nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * 4. This software, with or without modification, must only be used with a * Nordic Semiconductor ASA integrated circuit. * * 5. Any software provided in binary form under this license must not be reverse * engineered, decompiled, modified and/or disassembled. * * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ /**@file * * @defgroup nrf_sdh_ant ANT support in SoftDevice Handler * @{ * @ingroup nrf_sdh * @brief This file contains the declarations of types and functions required for ANT stack support. */ #ifndef NRF_SDH_ANT_H__ #define NRF_SDH_ANT_H__ #include "ant_parameters.h" #include "app_util.h" #include "nrf_section_iter.h" #include "sdk_errors.h" #include #ifdef __cplusplus extern "C" { #endif #define NRF_SDH_ANT_EVT_CHANNEL_FIELD_SIZE 1 //!< Size of the channel field in ANT stack event #define NRF_SDH_ANT_EVT_EVENT_FIELD_SIZE 1 //!< Size of the event field in ANT stack event /**@brief Size of the buffer provided to the ANT SoftDevice. * @hideinitializer */ #define NRF_SDH_ANT_BUF_SIZE ANT_ENABLE_GET_REQUIRED_SPACE( \ NRF_SDH_ANT_TOTAL_CHANNELS_ALLOCATED, \ NRF_SDH_ANT_ENCRYPTED_CHANNELS, \ NRF_SDH_ANT_BURST_QUEUE_SIZE, \ NRF_SDH_ANT_EVENT_QUEUE_SIZE) /**@brief Size of the buffer provided to the ANT SoftDevice to receive ANT events. */ #define NRF_SDH_ANT_MESSAGE_SIZE ((CEIL_DIV(MESG_BUFFER_SIZE, sizeof(uint32_t))) * sizeof(uint32_t)) /**@brief Size of the buffer provided to the Events Scheduler to hold ANT events. */ #define NRF_SDH_ANT_EVT_BUF_SIZE ((CEIL_DIV(NRF_SDH_ANT_MESSAGE_SIZE + \ NRF_SDH_ANT_EVT_CHANNEL_FIELD_SIZE + \ NRF_SDH_ANT_EVT_EVENT_FIELD_SIZE, \ sizeof(uint32_t))) * sizeof(uint32_t)) #if !(defined(__LINT__)) /**@brief Macro for registering an ANT observer. Modules that want to be * notified about ANT events must register the handler using this macro. * * @details This macro places the observer in a section named "sdh_ant_observers". * * @param[in] _name Observer name. * @param[in] _prio Priority of the observer event handler. * The smaller the number, the higher the priority. * @param[in] _handler ANT event handler. * @param[in] _context Parameter to the event handler. * @hideinitializer */ #define NRF_SDH_ANT_OBSERVER(_name, _prio, _handler, _context) \ STATIC_ASSERT(NRF_SDH_ANT_ENABLED, "NRF_SDH_ANT_ENABLED not set!"); \ STATIC_ASSERT(_prio < NRF_SDH_ANT_OBSERVER_PRIO_LEVELS, "Priority level unavailable."); \ NRF_SECTION_SET_ITEM_REGISTER(sdh_ant_observers, _prio, static nrf_sdh_ant_evt_observer_t _name) = \ { \ .handler = _handler, \ .p_context = _context \ } /**@brief Macro for registering an array of @ref nrf_sdh_ant_evt_observer_t. * Modules that want to be notified about ANT events must register the handler using * this macro. * * Each observer's handler will be dispatched an event with its relative context from @p _context. * This macro places the observer in a section named "sdh_ant_observers". * * @param[in] _name Observer name. * @param[in] _prio Priority of the observer event handler. * The smaller the number, the higher the priority. * @param[in] _handler ANT event handler. * @param[in] _context An array of parameters to the event handler. * @param[in] _cnt Number of observers to register. * @hideinitializer */ #define NRF_SDH_ANT_OBSERVERS(_name, _prio, _handler, _context, _cnt) \ STATIC_ASSERT(NRF_SDH_ANT_ENABLED, "NRF_SDH_ANT_ENABLED not set!"); \ STATIC_ASSERT(_prio < NRF_SDH_ANT_OBSERVER_PRIO_LEVELS, "Priority level unavailable."); \ NRF_SECTION_SET_ITEM_REGISTER(sdh_ant_observers, _prio, static nrf_sdh_ant_evt_observer_t _name[_cnt]) = \ { \ MACRO_REPEAT_FOR(_cnt, HANDLER_SET, _handler, _context) \ } #if !(defined(DOXYGEN)) #define HANDLER_SET(_idx, _handler, _context) \ { \ .handler = _handler, \ .p_context = _context[_idx], \ }, #endif #else // __LINT__ /* Swallow semicolons */ /*lint -save -esym(528, *) -esym(529, *) : Symbol not referenced. */ #define NRF_SDH_ANT_OBSERVER(A, B, C, D) static int semicolon_swallow_##A #define NRF_SDH_ANT_OBSERVERS(A, B, C, D, E) static int semicolon_swallow_##A /*lint -restore */ #endif /**@brief ANT stack event. */ typedef struct { ANT_MESSAGE message; //!< ANT Message. uint8_t channel; //!< Channel number. uint8_t event; //!< Event code. } ant_evt_t; /**@brief ANT stack event handler. */ typedef void (*nrf_sdh_ant_evt_handler_t)(ant_evt_t * p_ant_evt, void * p_context); /**@brief ANT event observer. */ typedef struct { nrf_sdh_ant_evt_handler_t handler; //!< ANT event handler. void * p_context; //!< A parameter to the event handler. } const nrf_sdh_ant_evt_observer_t; /**@brief Function for configuring and enabling the ANT stack. * * @details The function sets the channel configuration for the stack using the parameters * provided in the @c sdk_config file. It also assigns a correspondingly large * buffer as a static resource. */ ret_code_t nrf_sdh_ant_enable(void); #ifdef __cplusplus } #endif #endif // NRF_SDH_ANT_H__ /** @} */