rt-thread-official/components/dfs/filesystems/ramfs/dfs_ramfs.h

62 lines
1.6 KiB
C

/*
* File : dfs_ramfs.h
* This file is part of Device File System in RT-Thread RTOS
* COPYRIGHT (C) 2004-2013, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2013-04-15 Bernard the first version
* 2013-05-05 Bernard remove CRC for ramfs persistence
*/
#ifndef __DFS_RAMFS_H__
#define __DFS_RAMFS_H__
#include <rtthread.h>
#include <rtservice.h>
#define RAMFS_NAME_MAX 32
#define RAMFS_MAGIC 0x0A0A0A0A
struct ramfs_dirent
{
rt_list_t list;
struct dfs_ramfs *fs; /* file system ref */
char name[RAMFS_NAME_MAX]; /* dirent name */
rt_uint8_t* data;
rt_size_t size; /* file size */
};
/**
* DFS ramfs object
*/
struct dfs_ramfs
{
rt_uint32_t magic;
struct rt_memheap memheap;
struct ramfs_dirent root;
};
int dfs_ramfs_init(void);
struct dfs_ramfs* dfs_ramfs_create(rt_uint8_t* pool, rt_size_t size);
#endif