rt-thread/components/dfs/filesystems/uffs/dfs_uffs.h

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/*
* dfs_uffs.h
*
* Created on: 2012-3-30
* Author: prife
*/
#ifndef DFS_UFFS_H_
#define DFS_UFFS_H_
#include "uffs_config.h"
#include "uffs/uffs_public.h"
#define UFFS_BLOCK_MARK_SPARE_OFFSET 4 /* indicate block bad or good, offset in spare */
#define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_SOFT
/* enable this ,you need provide a mark_badblock/check_block funciton */
#define RT_UFFS_USE_CHECK_MARK_FUNCITON
#if RT_CONFIG_UFFS_ECC_MODE == UFFS_ECC_SOFT /* let uffs do soft ecc */
#define RT_CONFIG_UFFS_LAYOUT UFFS_LAYOUT_UFFS /* UFFS_LAYOUT_FLASH */
#define RT_CONFIG_UFFS_ECC_SIZE 0 /* if 0, then uffs will caculate a proper ecc size */
#elif RT_CONFIG_UFFS_ECC_MODE == UFFS_ECC_HW_AUTO /* nand driver make ecc and do ecc correct */
#define RT_CONFIG_UFFS_LAYOUT UFFS_LAYOUT_FLASH
#define RT_CONFIG_UFFS_ECC_SIZE 4 /* if 0, then uffs will caculate a proper ecc size */
#elif RT_CONFIG_UFFS_ECC_MODE == UFFS_ECC_NONE
#define RT_CONFIG_UFFS_LAYOUT UFFS_LAYOUT_UFFS /* UFFS_LAYOUT_FLASH */
#define RT_CONFIG_UFFS_ECC_SIZE 0 /* if 0, then uffs will caculate a proper ecc size */
#else
#error "uffs under rt-thread do not support this ECC mode"
#endif
#if (!CONFIG_USE_STATIC_MEMORY_ALLOCATOR) && (CONFIG_USE_SYSTEM_MEMORY_ALLOCATOR)
#define RT_UFFS_MEMORY_ALLOCATOR 1 /* use system memory allocator */
#elif (CONFIG_USE_STATIC_MEMORY_ALLOCATOR) && (!CONFIG_USE_SYSTEM_MEMORY_ALLOCATOR)
#define RT_UFFS_MEMORY_ALLOCATOR 0 /* use static memory allocator */
#else
#error "UFFS: CONFIG_USE_STATIC_MEMORY_ALLOCATOR ,CONFIG_USE_SYSTEM_MEMORY_ALLOCATOR are invalid!"
#endif
#if CONFIG_USE_STATIC_MEMORY_ALLOCATOR > 0
#error "dfs_uffs only support CONFIG_USE_SYSTEM_MEMORY_ALLOCATOR"
#endif
#if defined(CONFIG_UFFS_AUTO_LAYOUT_USE_MTD_SCHEME)
#error "dfs_uffs not support CONFIG_UFFS_AUTO_LAYOUT_USE_MTD_SCHEME"
#endif
#if (RT_CONFIG_UFFS_ECC_MODE == UFFS_ECC_HW_AUTO) && (RT_CONFIG_UFFS_LAYOUT != UFFS_LAYOUT_FLASH)
#error "when use UFFS_ECC_HW_AUTO, you must use UFFS_LAYOUT_FLASH"
#elif (RT_CONFIG_UFFS_ECC_MODE == UFFS_ECC_SOFT) && (RT_CONFIG_UFFS_LAYOUT != UFFS_LAYOUT_UFFS)
#warning "when use UFFS_ECC_SOFT, it is recommended to use UFFS_LAYOUT_UFFS"
#endif
extern const uffs_FlashOps nand_ops;
extern void uffs_setup_storage(
struct uffs_StorageAttrSt *attr,
struct rt_mtd_nand_device * nand);
#endif /* DFS_UFFS_H_ */