rt-thread/filesystem/dfs/dfs_config.h

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/*
+------------------------------------------------------------------------------
| Project : Device Filesystem
+------------------------------------------------------------------------------
| Copyright 2004, 2005 www.fayfayspace.org.
| All rights reserved.
|------------------------------------------------------------------------------
| File : dfs_opts.h, the option definitions of Device FileSystem
|------------------------------------------------------------------------------
| Chang Logs:
| Date Author Notes
| 2005-01-22 ffxz The first version.
+------------------------------------------------------------------------------
*/
#ifndef __DFS_CONFIG_H__
#define __DFS_CONFIG_H__
/*
+------------------------------------------------------------------------------
| Device Manager options
+------------------------------------------------------------------------------
*/
/* Device Options parameters */
#define DEVICES_MAX 8
#define DEVICE_NAME_MAX 8
/*
+------------------------------------------------------------------------------
| Device Filesystem options
+------------------------------------------------------------------------------
*/
/* the max length of filesystem name */
#define DFS_FS_NAME_MAX 4
/* the max type of filesystem */
#define DFS_FILESYSTEM_TYPES_MAX 2
/* the max length of path name */
#define DFS_PATH_MAX 256
/* the max length of file name */
#define DFS_FILE_MAX 256
/* options for server task */
#define DFS_MBOX_NUMBER 32
#define DFS_SERVER_STACK 1024
#define DFS_SERVER_PRI 110
#define DFS_SERVER_SLICE 20
/*
+------------------------------------------------------------------------------
| FAT filesystem options
+------------------------------------------------------------------------------
*/
/* file name max length */
#define FAT_NAME_MAX 256
/* max number of FAT filesystem */
#define FATFS_MAX 2
/* the size of sector */
#define SECTOR_SIZE 512
/* FAT table sector cache options */
#define FAT_CACHE_SIZE 0x10 /* config parameter */
#define FAT_CACHE_MASK (FAT_CACHE_SIZE-1)
#define GET16(x) (*(x)) | (*((x)+1) << 8)
#define GET32(x) (*(x)) | (*((x)+1) << 8) | (*((x)+2) << 16) | (*((x)+3) << 24)
#define SET16(x, v) \
do \
{ \
*(x) = (v) & 0x00ff; \
(*((x)+1)) = (v) >> 8; \
} while ( 0 )
#define SET32(x, v) \
do \
{ \
*(x) = (v) & 0x000000ff; \
(*((x)+1)) = ((v) >> 8) & 0x000000ff; \
(*((x)+2)) = ((v) >> 16) & 0x000000ff; \
(*((x)+3)) = ((v) >> 24); \
} while ( 0 )
#define DFS_DEBUG_INFO 0x01
#define DFS_DEBUG_WARNING 0x02
#define DFS_DEBUG_ERROR 0x04
#define DFS_DEBUG_LEVEL (DFS_DEBUG_INFO | DFS_DEBUG_WARNING | DFS_DEBUG_ERROR)
/* #define DFS_DEBUG */
#ifdef DFS_DEBUG
#define dfs_log(level, x) do { if (level & DFS_DEBUG_LEVEL) \
{rt_kprintf("DFS %s, %d:", __FILE__, __LINE__); rt_kprintf x; \
rt_kprintf ("\n");}}while (0)
#else
#define dfs_log(level, x)
#endif
#endif