?? sd_raw.h
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/* * Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */#ifndef SD_RAW_H#define SD_RAW_H#include <stdint.h>#include "sd_raw_config.h"/** * \addtogroup sd_raw * * @{ *//** * \file * MMC/SD raw access header. * * \author Roland Riegel *//** * The card's layout is harddisk-like, which means it contains * a master boot record with a partition table. */#define SD_RAW_FORMAT_HARDDISK 0/** * The card contains a single filesystem and no partition table. */#define SD_RAW_FORMAT_SUPERFLOPPY 1/** * The card's layout follows the Universal File Format. */#define SD_RAW_FORMAT_UNIVERSAL 2/** * The card's layout is unknown. */#define SD_RAW_FORMAT_UNKNOWN 3/** * This struct is used by sd_raw_get_info() to return * manufacturing and status information of the card. */struct sd_raw_info{ /** * A manufacturer code globally assigned by the SD card organization. */ uint8_t manufacturer; /** * A string describing the card's OEM or content, globally assigned by the SD card organization. */ uint8_t oem[3]; /** * A product name. */ uint8_t product[6]; /** * The card's revision, coded in packed BCD. * * For example, the revision value \c 0x32 means "3.2". */ uint8_t revision; /** * A serial number assigned by the manufacturer. */ uint32_t serial; /** * The year of manufacturing. * * A value of zero means year 2000. */ uint8_t manufacturing_year; /** * The month of manufacturing. */ uint8_t manufacturing_month; /** * The card's total capacity in bytes. */ uint32_t capacity; /** * Defines wether the card's content is original or copied. * * A value of \c 0 means original, \c 1 means copied. */ uint8_t flag_copy; /** * Defines wether the card's content is write-protected. * * \note This is an internal flag and does not represent the * state of the card's mechanical write-protect switch. */ uint8_t flag_write_protect; /** * Defines wether the card's content is temporarily write-protected. * * \note This is an internal flag and does not represent the * state of the card's mechanical write-protect switch. */ uint8_t flag_write_protect_temp; /** * The card's data layout. * * See the \c SD_RAW_FORMAT_* constants for details. * * \note This value is not guaranteed to match reality. */ uint8_t format;};typedef uint8_t (*sd_raw_read_interval_handler_t)(uint8_t* buffer, uint32_t offset, void* p);typedef uint16_t (*sd_raw_write_interval_handler_t)(uint8_t* buffer, uint32_t offset, void* p);uint8_t sd_raw_init();uint8_t sd_raw_available();uint8_t sd_raw_locked();uint8_t sd_raw_read(uint32_t offset, uint8_t* buffer, uint16_t length);uint8_t sd_raw_read_interval(uint32_t offset, uint8_t* buffer, uint16_t interval, uint16_t length, sd_raw_read_interval_handler_t callback, void* p);uint8_t sd_raw_write(uint32_t offset, const uint8_t* buffer, uint16_t length);uint8_t sd_raw_write_interval(uint32_t offset, uint8_t* buffer, uint16_t length, sd_raw_write_interval_handler_t callback, void* p);uint8_t sd_raw_sync();uint8_t sd_raw_get_info(struct sd_raw_info* info);/** * @} */#endif
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