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| /* |
| * Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de> |
| * |
| * This file is free software; you can redistribute it and/or modify |
| * it under the terms of either the GNU General Public License version 2 |
| * or the GNU Lesser General Public License version 2.1, both 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 (license: GPLv2 or LGPLv2.1) |
| * |
| * \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 |
| |