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- /**
- * Copyright (c) 2016 - 2020, 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.
- *
- */
- #ifndef NRF_BLOCK_DEV_EMPTY_H__
- #define NRF_BLOCK_DEV_EMPTY_H__
- #ifdef __cplusplus
- extern "C" {
- #endif
- #include "nrf_block_dev.h"
- #include "nrf_log_instance.h"
- /**@file
- *
- * @defgroup nrf_block_dev_empty Empty implementation
- * @ingroup nrf_block_dev
- *
- * This module implements block device API. It works like:
- * - /dev/empty for write operations
- * - /dev/zero for read operations
- * @{
- *
- */
- /**
- * @brief EMPTY block device operations
- * */
- extern const nrf_block_dev_ops_t nrf_block_device_empty_ops;
- /**
- * @brief Work structure of EMPTY block device.
- */
- typedef struct {
- nrf_block_dev_geometry_t geometry; //!< Block device geometry
- nrf_block_dev_ev_handler ev_handler; //!< Block device event handler
- void const * p_context; //!< Context handle passed to event handler
- } nrf_block_dev_empty_work_t;
- /**
- * @brief EMPTY block device config initializer (@ref nrf_block_dev_empty_config_t)
- *
- * @param blk_size Block size
- * @param blk_count Block count
- * */
- #define NRF_BLOCK_DEV_EMPTY_CONFIG(blk_size, blk_count) { \
- .block_size = (blk_size), \
- .block_count = (blk_count) \
- }
- /**
- * @brief EMPTY block device config
- */
- typedef struct {
- uint32_t block_size; //!< Desired block size
- uint32_t block_count; //!< Desired block count
- } nrf_block_dev_empty_config_t;
- /**
- * @brief EMPTY block device
- * */
- typedef struct {
- nrf_block_dev_t block_dev; //!< Block device
- nrf_block_dev_info_strings_t info_strings; //!< Block device information strings
- nrf_block_dev_empty_config_t empty_config; //!< EMPTY block device config
- nrf_block_dev_empty_work_t * p_work; //!< EMPTY block device work structure
- NRF_LOG_INSTANCE_PTR_DECLARE(p_log) //!< Pointer to instance of the logger object (Conditionally compiled).
- } nrf_block_dev_empty_t;
- /** @brief Name of the module used for logger messaging.
- */
- #define NRF_BLOCK_DEV_EMPTY_LOG_NAME block_dev_empty
- /**
- * @brief Defines a EMPTY block device.
- *
- * @param name Instance name
- * @param config Configuration @ref nrf_block_dev_empty_config_t
- * @param info Info strings @ref NFR_BLOCK_DEV_INFO_CONFIG
- * */
- #define NRF_BLOCK_DEV_EMPTY_DEFINE(name, config, info) \
- static nrf_block_dev_empty_work_t CONCAT_2(name, _work); \
- NRF_LOG_INSTANCE_REGISTER(NRF_BLOCK_DEV_EMPTY_LOG_NAME, name, \
- NRF_BLOCK_DEV_EMPTY_CONFIG_INFO_COLOR, \
- NRF_BLOCK_DEV_EMPTY_CONFIG_DEBUG_COLOR, \
- NRF_BLOCK_DEV_EMPTY_CONFIG_LOG_INIT_FILTER_LEVEL, \
- NRF_BLOCK_DEV_EMPTY_CONFIG_LOG_ENABLED ? \
- NRF_BLOCK_DEV_EMPTY_CONFIG_LOG_LEVEL : NRF_LOG_SEVERITY_NONE); \
- static const nrf_block_dev_empty_t name = { \
- .block_dev = { .p_ops = &nrf_block_device_empty_ops }, \
- .info_strings = BRACKET_EXTRACT(info), \
- .empty_config = config, \
- .p_work = &CONCAT_2(name, _work), \
- NRF_LOG_INSTANCE_PTR_INIT(p_log, NRF_BLOCK_DEV_EMPTY_LOG_NAME, name) \
- }
- /**
- * @brief Returns block device API handle from EMPTY block device.
- *
- * @param[in] p_blk_empty EMPTY block device
- * @return Block device handle
- */
- static inline nrf_block_dev_t const *
- nrf_block_dev_empty_ops_get(nrf_block_dev_empty_t const * p_blk_empty)
- {
- return &p_blk_empty->block_dev;
- }
- /** @} */
- #ifdef __cplusplus
- }
- #endif
- #endif /* NRF_BLOCK_DEV_EMPTY_H__ */
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