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81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/*
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* Copyright (C) 2017 HAW-Hamburg
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* 2023 Gunar Schorcht
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @defgroup drivers_mtd_sdmmc mtd wrapper for sdmmc
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* @ingroup drivers_storage
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* @brief Driver for SD Memory Cards and MMCs/eMMCs using mtd interface
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*
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* @{
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*
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* @file
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* @brief Interface definition for mtd_sdmmc driver
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*
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* @author Michel Rottleuthner <michel.rottleuthner@haw-hamburg.de>
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* @author Gunar Schorcht <gunar@schorcht.net>
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*/
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#ifndef MTD_SDMMC_H
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#define MTD_SDMMC_H
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#include <stdint.h>
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#include "mtd.h"
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#include "sdmmc/sdmmc.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/**
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* @brief Device descriptor for a mtd_sdmmc device
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*
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* This is an extension of the @c mtd_dev_t struct
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*/
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typedef struct {
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mtd_dev_t base; /**< inherit mtd_dev_t object */
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sdmmc_dev_t *sdmmc; /**< SD/MMC device descriptor */
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uint8_t sdmmc_idx; /**< SD/MMC peripheral index */
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} mtd_sdmmc_t;
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/**
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* @defgroup drivers_mtd_sdmmc_config SD Memory Card driver compile configuration
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* @ingroup config_drivers_storage
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* @{
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*/
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/**
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* @brief Enable SD Memory Card Erase
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*
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* SD Memory Cards and MMCs/eMMCs handle sector erase internally
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* so it's possible to directly write to the card without erasing
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* the sector first.
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*
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* @note An erase call will NOT touch the content if `CONFIG_MTD_SDMMC_ERASE`
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* is not set, so enable this feature to ensure overriding the data.
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*
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* @pre This feature requires the `mtd_write_page` module.
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*/
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#ifdef DOXYGEN
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#define CONFIG_MTD_SDMMC_ERASE
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#endif
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/** @} */
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/**
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* @brief sdcard device operations table for mtd
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*/
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extern const mtd_desc_t mtd_sdmmc_driver;
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#ifdef __cplusplus
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}
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#endif
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#endif /* MTD_SDMMC_H */
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/** @} */
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