370 lines
14 KiB
C
370 lines
14 KiB
C
/*
|
|
* spiffs_config.h
|
|
*
|
|
* Created on: Jul 3, 2013
|
|
* Author: petera
|
|
*/
|
|
|
|
#ifndef SPIFFS_CONFIG_H_
|
|
#define SPIFFS_CONFIG_H_
|
|
|
|
// ----------- 8< ------------
|
|
// Following includes are for the linux test build of spiffs
|
|
// These may/should/must be removed/altered/replaced in your target
|
|
#include "nodemcu_spiffs.h"
|
|
// ----------- >8 ------------
|
|
|
|
#include "user_config.h"
|
|
|
|
// compile time switches
|
|
|
|
// Set generic spiffs debug output call.
|
|
#ifndef SPIFFS_DBG
|
|
#define SPIFFS_DBG(...) //dbg_printf(__VA_ARGS__)
|
|
#endif
|
|
// Set spiffs debug output call for garbage collecting.
|
|
#ifndef SPIFFS_GC_DBG
|
|
#define SPIFFS_GC_DBG(...) //dbg_printf(__VA_ARGS__)
|
|
#endif
|
|
// Set spiffs debug output call for caching.
|
|
#ifndef SPIFFS_CACHE_DBG
|
|
#define SPIFFS_CACHE_DBG(...) //dbg_printf(__VA_ARGS__)
|
|
#endif
|
|
// Set spiffs debug output call for system consistency checks.
|
|
#ifndef SPIFFS_CHECK_DBG
|
|
#define SPIFFS_CHECK_DBG(...) //dbg_printf(__VA_ARGS__)
|
|
#endif
|
|
// Set spiffs debug output call for all api invocations.
|
|
#ifndef SPIFFS_API_DBG
|
|
#define SPIFFS_API_DBG(_f, ...) //printf(_f, ## __VA_ARGS__)
|
|
#endif
|
|
|
|
// Defines spiffs debug print formatters
|
|
// some general signed number
|
|
#ifndef _SPIPRIi
|
|
#define _SPIPRIi "%d"
|
|
#endif
|
|
// address
|
|
#ifndef _SPIPRIad
|
|
#define _SPIPRIad "%08x"
|
|
#endif
|
|
// block
|
|
#ifndef _SPIPRIbl
|
|
#define _SPIPRIbl "%04x"
|
|
#endif
|
|
// page
|
|
#ifndef _SPIPRIpg
|
|
#define _SPIPRIpg "%04x"
|
|
#endif
|
|
// span index
|
|
#ifndef _SPIPRIsp
|
|
#define _SPIPRIsp "%04x"
|
|
#endif
|
|
// file descriptor
|
|
#ifndef _SPIPRIfd
|
|
#define _SPIPRIfd "%d"
|
|
#endif
|
|
// file object id
|
|
#ifndef _SPIPRIid
|
|
#define _SPIPRIid "%04x"
|
|
#endif
|
|
// file flags
|
|
#ifndef _SPIPRIfl
|
|
#define _SPIPRIfl "%02x"
|
|
#endif
|
|
|
|
// Enable/disable API functions to determine exact number of bytes
|
|
// for filedescriptor and cache buffers. Once decided for a configuration,
|
|
// this can be disabled to reduce flash.
|
|
#ifndef SPIFFS_BUFFER_HELP
|
|
#define SPIFFS_BUFFER_HELP 0
|
|
#endif
|
|
|
|
// Enables/disable memory read caching of nucleus file system operations.
|
|
// If enabled, memory area must be provided for cache in SPIFFS_mount.
|
|
#ifndef SPIFFS_CACHE
|
|
#define SPIFFS_CACHE 1
|
|
#endif
|
|
#if SPIFFS_CACHE
|
|
// Enables memory write caching for file descriptors in hydrogen
|
|
#ifndef SPIFFS_CACHE_WR
|
|
#define SPIFFS_CACHE_WR 1
|
|
#endif
|
|
|
|
// Enable/disable statistics on caching. Debug/test purpose only.
|
|
#ifndef SPIFFS_CACHE_STATS
|
|
#define SPIFFS_CACHE_STATS 1
|
|
#endif
|
|
#else
|
|
// No SPIFFS_CACHE, also disable SPIFFS_CACHE_WR
|
|
#ifndef SPIFFS_CACHE_WR
|
|
#define SPIFFS_CACHE_WR 0
|
|
#endif
|
|
#endif
|
|
|
|
// Always check header of each accessed page to ensure consistent state.
|
|
// If enabled it will increase number of reads, will increase flash.
|
|
#ifndef SPIFFS_PAGE_CHECK
|
|
#define SPIFFS_PAGE_CHECK 1
|
|
#endif
|
|
|
|
// Define maximum number of gc runs to perform to reach desired free pages.
|
|
#ifndef SPIFFS_GC_MAX_RUNS
|
|
#define SPIFFS_GC_MAX_RUNS 5
|
|
#endif
|
|
|
|
// Enable/disable statistics on gc. Debug/test purpose only.
|
|
#ifndef SPIFFS_GC_STATS
|
|
#define SPIFFS_GC_STATS 1
|
|
#endif
|
|
|
|
// Garbage collecting examines all pages in a block which and sums up
|
|
// to a block score. Deleted pages normally gives positive score and
|
|
// used pages normally gives a negative score (as these must be moved).
|
|
// To have a fair wear-leveling, the erase age is also included in score,
|
|
// whose factor normally is the most positive.
|
|
// The larger the score, the more likely it is that the block will
|
|
// picked for garbage collection.
|
|
|
|
// Garbage collecting heuristics - weight used for deleted pages.
|
|
#ifndef SPIFFS_GC_HEUR_W_DELET
|
|
#define SPIFFS_GC_HEUR_W_DELET (5)
|
|
#endif
|
|
// Garbage collecting heuristics - weight used for used pages.
|
|
#ifndef SPIFFS_GC_HEUR_W_USED
|
|
#define SPIFFS_GC_HEUR_W_USED (-1)
|
|
#endif
|
|
// Garbage collecting heuristics - weight used for time between
|
|
// last erased and erase of this block.
|
|
#ifndef SPIFFS_GC_HEUR_W_ERASE_AGE
|
|
#define SPIFFS_GC_HEUR_W_ERASE_AGE (50)
|
|
#endif
|
|
|
|
// Object name maximum length. Note that this length include the
|
|
// zero-termination character, meaning maximum string of characters
|
|
// can at most be SPIFFS_OBJ_NAME_LEN - 1.
|
|
#ifndef SPIFFS_OBJ_NAME_LEN
|
|
#define SPIFFS_OBJ_NAME_LEN (FS_OBJ_NAME_LEN+1)
|
|
#endif
|
|
|
|
// Maximum length of the metadata associated with an object.
|
|
// Setting to non-zero value enables metadata-related API but also
|
|
// changes the on-disk format, so the change is not backward-compatible.
|
|
//
|
|
// Do note: the meta length must never exceed
|
|
// logical_page_size - (SPIFFS_OBJ_NAME_LEN + 64)
|
|
//
|
|
// This is derived from following:
|
|
// logical_page_size - (SPIFFS_OBJ_NAME_LEN + sizeof(spiffs_page_header) +
|
|
// spiffs_object_ix_header fields + at least some LUT entries)
|
|
#ifndef SPIFFS_OBJ_META_LEN
|
|
#define SPIFFS_OBJ_META_LEN (0)
|
|
#endif
|
|
|
|
// Size of buffer allocated on stack used when copying data.
|
|
// Lower value generates more read/writes. No meaning having it bigger
|
|
// than logical page size.
|
|
#ifndef SPIFFS_COPY_BUFFER_STACK
|
|
#define SPIFFS_COPY_BUFFER_STACK (256)
|
|
#endif
|
|
|
|
// Enable this to have an identifiable spiffs filesystem. This will look for
|
|
// a magic in all sectors to determine if this is a valid spiffs system or
|
|
// not on mount point. If not, SPIFFS_format must be called prior to mounting
|
|
// again.
|
|
#ifndef SPIFFS_USE_MAGIC
|
|
#define SPIFFS_USE_MAGIC (0)
|
|
#endif
|
|
|
|
#if SPIFFS_USE_MAGIC
|
|
// Only valid when SPIFFS_USE_MAGIC is enabled. If SPIFFS_USE_MAGIC_LENGTH is
|
|
// enabled, the magic will also be dependent on the length of the filesystem.
|
|
// For example, a filesystem configured and formatted for 4 megabytes will not
|
|
// be accepted for mounting with a configuration defining the filesystem as 2
|
|
// megabytes.
|
|
#ifndef SPIFFS_USE_MAGIC_LENGTH
|
|
#define SPIFFS_USE_MAGIC_LENGTH (0)
|
|
#endif
|
|
#endif
|
|
|
|
// SPIFFS_LOCK and SPIFFS_UNLOCK protects spiffs from reentrancy on api level
|
|
// These should be defined on a multithreaded system
|
|
|
|
// define this to enter a mutex if you're running on a multithreaded system
|
|
#ifndef SPIFFS_LOCK
|
|
#define SPIFFS_LOCK(fs)
|
|
#endif
|
|
// define this to exit a mutex if you're running on a multithreaded system
|
|
#ifndef SPIFFS_UNLOCK
|
|
#define SPIFFS_UNLOCK(fs)
|
|
#endif
|
|
|
|
// Enable if only one spiffs instance with constant configuration will exist
|
|
// on the target. This will reduce calculations, flash and memory accesses.
|
|
// Parts of configuration must be defined below instead of at time of mount.
|
|
#ifndef SPIFFS_SINGLETON
|
|
#define SPIFFS_SINGLETON 0
|
|
#endif
|
|
|
|
#if SPIFFS_SINGLETON
|
|
// Instead of giving parameters in config struct, singleton build must
|
|
// give parameters in defines below.
|
|
#ifndef SPIFFS_CFG_PHYS_SZ
|
|
#define SPIFFS_CFG_PHYS_SZ(ignore) (1024*1024*2)
|
|
#endif
|
|
#ifndef SPIFFS_CFG_PHYS_ERASE_SZ
|
|
#define SPIFFS_CFG_PHYS_ERASE_SZ(ignore) (65536)
|
|
#endif
|
|
#ifndef SPIFFS_CFG_PHYS_ADDR
|
|
#define SPIFFS_CFG_PHYS_ADDR(ignore) (0)
|
|
#endif
|
|
#ifndef SPIFFS_CFG_LOG_PAGE_SZ
|
|
#define SPIFFS_CFG_LOG_PAGE_SZ(ignore) (256)
|
|
#endif
|
|
#ifndef SPIFFS_CFG_LOG_BLOCK_SZ
|
|
#define SPIFFS_CFG_LOG_BLOCK_SZ(ignore) (65536)
|
|
#endif
|
|
#endif
|
|
|
|
// Enable this if your target needs aligned data for index tables
|
|
#ifndef SPIFFS_ALIGNED_OBJECT_INDEX_TABLES
|
|
#define SPIFFS_ALIGNED_OBJECT_INDEX_TABLES 0
|
|
#endif
|
|
|
|
// Enable this if you want the HAL callbacks to be called with the spiffs struct
|
|
#ifndef SPIFFS_HAL_CALLBACK_EXTRA
|
|
#define SPIFFS_HAL_CALLBACK_EXTRA 0
|
|
#endif
|
|
|
|
// Enable this if you want to add an integer offset to all file handles
|
|
// (spiffs_file). This is useful if running multiple instances of spiffs on
|
|
// same target, in order to recognise to what spiffs instance a file handle
|
|
// belongs.
|
|
// NB: This adds config field fh_ix_offset in the configuration struct when
|
|
// mounting, which must be defined.
|
|
#ifndef SPIFFS_FILEHDL_OFFSET
|
|
#define SPIFFS_FILEHDL_OFFSET 0
|
|
#endif
|
|
|
|
// Enable this to compile a read only version of spiffs.
|
|
// This will reduce binary size of spiffs. All code comprising modification
|
|
// of the file system will not be compiled. Some config will be ignored.
|
|
// HAL functions for erasing and writing to spi-flash may be null. Cache
|
|
// can be disabled for even further binary size reduction (and ram savings).
|
|
// Functions modifying the fs will return SPIFFS_ERR_RO_NOT_IMPL.
|
|
// If the file system cannot be mounted due to aborted erase operation and
|
|
// SPIFFS_USE_MAGIC is enabled, SPIFFS_ERR_RO_ABORTED_OPERATION will be
|
|
// returned.
|
|
// Might be useful for e.g. bootloaders and such.
|
|
#ifndef SPIFFS_READ_ONLY
|
|
#define SPIFFS_READ_ONLY 0
|
|
#endif
|
|
|
|
// Enable this to add a temporal file cache using the fd buffer.
|
|
// The effects of the cache is that SPIFFS_open will find the file faster in
|
|
// certain cases. It will make it a lot easier for spiffs to find files
|
|
// opened frequently, reducing number of readings from the spi flash for
|
|
// finding those files.
|
|
// This will grow each fd by 6 bytes. If your files are opened in patterns
|
|
// with a degree of temporal locality, the system is optimized.
|
|
// Examples can be letting spiffs serve web content, where one file is the css.
|
|
// The css is accessed for each html file that is opened, meaning it is
|
|
// accessed almost every second time a file is opened. Another example could be
|
|
// a log file that is often opened, written, and closed.
|
|
// The size of the cache is number of given file descriptors, as it piggybacks
|
|
// on the fd update mechanism. The cache lives in the closed file descriptors.
|
|
// When closed, the fd know the whereabouts of the file. Instead of forgetting
|
|
// this, the temporal cache will keep handling updates to that file even if the
|
|
// fd is closed. If the file is opened again, the location of the file is found
|
|
// directly. If all available descriptors become opened, all cache memory is
|
|
// lost.
|
|
#ifndef SPIFFS_TEMPORAL_FD_CACHE
|
|
#define SPIFFS_TEMPORAL_FD_CACHE 1
|
|
#endif
|
|
|
|
// Temporal file cache hit score. Each time a file is opened, all cached files
|
|
// will lose one point. If the opened file is found in cache, that entry will
|
|
// gain SPIFFS_TEMPORAL_CACHE_HIT_SCORE points. One can experiment with this
|
|
// value for the specific access patterns of the application. However, it must
|
|
// be between 1 (no gain for hitting a cached entry often) and 255.
|
|
#ifndef SPIFFS_TEMPORAL_CACHE_HIT_SCORE
|
|
#define SPIFFS_TEMPORAL_CACHE_HIT_SCORE 4
|
|
#endif
|
|
|
|
// Enable to be able to map object indices to memory.
|
|
// This allows for faster and more deterministic reading if cases of reading
|
|
// large files and when changing file offset by seeking around a lot.
|
|
// When mapping a file's index, the file system will be scanned for index pages
|
|
// and the info will be put in memory provided by user. When reading, the
|
|
// memory map can be looked up instead of searching for index pages on the
|
|
// medium. This way, user can trade memory against performance.
|
|
// Whole, parts of, or future parts not being written yet can be mapped. The
|
|
// memory array will be owned by spiffs and updated accordingly during garbage
|
|
// collecting or when modifying the indices. The latter is invoked by when the
|
|
// file is modified in some way. The index buffer is tied to the file
|
|
// descriptor.
|
|
#ifndef SPIFFS_IX_MAP
|
|
#define SPIFFS_IX_MAP 0
|
|
#endif
|
|
|
|
// By default SPIFFS in some cases relies on the property of NOR flash that bits
|
|
// cannot be set from 0 to 1 by writing and that controllers will ignore such
|
|
// bit changes. This results in fewer reads as SPIFFS can in some cases perform
|
|
// blind writes, with all bits set to 1 and only those it needs reset set to 0.
|
|
// Most of the chips and controllers allow this behavior, so the default is to
|
|
// use this technique. If your controller is one of the rare ones that don't,
|
|
// turn this option on and SPIFFS will perform a read-modify-write instead.
|
|
#ifndef SPIFFS_NO_BLIND_WRITES
|
|
#define SPIFFS_NO_BLIND_WRITES 0
|
|
#endif
|
|
|
|
// Set SPIFFS_TEST_VISUALISATION to non-zero to enable SPIFFS_vis function
|
|
// in the api. This function will visualize all filesystem using given printf
|
|
// function.
|
|
#ifndef SPIFFS_TEST_VISUALISATION
|
|
#define SPIFFS_TEST_VISUALISATION 1
|
|
#endif
|
|
#if SPIFFS_TEST_VISUALISATION
|
|
#ifndef spiffs_printf
|
|
#define spiffs_printf(...) dbg_printf(__VA_ARGS__)
|
|
#endif
|
|
// spiffs_printf argument for a free page
|
|
#ifndef SPIFFS_TEST_VIS_FREE_STR
|
|
#define SPIFFS_TEST_VIS_FREE_STR "_"
|
|
#endif
|
|
// spiffs_printf argument for a deleted page
|
|
#ifndef SPIFFS_TEST_VIS_DELE_STR
|
|
#define SPIFFS_TEST_VIS_DELE_STR "/"
|
|
#endif
|
|
// spiffs_printf argument for an index page for given object id
|
|
#ifndef SPIFFS_TEST_VIS_INDX_STR
|
|
#define SPIFFS_TEST_VIS_INDX_STR(id) "i"
|
|
#endif
|
|
// spiffs_printf argument for a data page for given object id
|
|
#ifndef SPIFFS_TEST_VIS_DATA_STR
|
|
#define SPIFFS_TEST_VIS_DATA_STR(id) "d"
|
|
#endif
|
|
#endif
|
|
|
|
// Types depending on configuration such as the amount of flash bytes
|
|
// given to spiffs file system in total (spiffs_file_system_size),
|
|
// the logical block size (log_block_size), and the logical page size
|
|
// (log_page_size)
|
|
|
|
// Block index type. Make sure the size of this type can hold
|
|
// the highest number of all blocks - i.e. spiffs_file_system_size / log_block_size
|
|
typedef u16_t spiffs_block_ix;
|
|
// Page index type. Make sure the size of this type can hold
|
|
// the highest page number of all pages - i.e. spiffs_file_system_size / log_page_size
|
|
typedef u16_t spiffs_page_ix;
|
|
// Object id type - most significant bit is reserved for index flag. Make sure the
|
|
// size of this type can hold the highest object id on a full system,
|
|
// i.e. 2 + (spiffs_file_system_size / (2*log_page_size))*2
|
|
typedef u16_t spiffs_obj_id;
|
|
// Object span index type. Make sure the size of this type can
|
|
// hold the largest possible span index on the system -
|
|
// i.e. (spiffs_file_system_size / log_page_size) - 1
|
|
typedef u16_t spiffs_span_ix;
|
|
|
|
#endif /* SPIFFS_CONFIG_H_ */
|