rtt-f030/components/dfs/filesystems/skeleton/skeleton.c

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/*
* A skeleton of file system in Device File System
*/
#include <rtthread.h>
#include <dfs.h>
#include <dfs_fs.h>
#include "dfs_skt_fs.h"
int dfs_skt_mount(struct dfs_filesystem* fs, unsigned long rwflag, const void* data)
{
return DFS_STATUS_OK;
}
int dfs_skt_unmount(struct dfs_filesystem* fs)
{
return DFS_STATUS_OK;
}
int dfs_skt_ioctl(struct dfs_fd* file, int cmd, void* args)
{
return -DFS_STATUS_EIO;
}
int dfs_skt_read(struct dfs_fd* file, void *buf, rt_size_t count)
{
return count;
}
int dfs_skt_lseek(struct dfs_fd* file, rt_off_t offset)
{
return -DFS_STATUS_EIO;
}
int dfs_skt_close(struct dfs_fd* file)
{
return DFS_STATUS_OK;
}
int dfs_skt_open(struct dfs_fd* file)
{
return DFS_STATUS_OK;
}
int dfs_skt_stat(struct dfs_filesystem* fs, const char *path, struct stat *st)
{
return DFS_STATUS_OK;
}
int dfs_skt_getdents(struct dfs_fd* file, struct dirent* dirp, rt_uint32_t count)
{
return count * sizeof(struct dirent);
}
static const struct dfs_filesystem_operation _skt_fs =
{
"skt",
DFS_FS_FLAG_DEFAULT,
dfs_skt_mount,
dfs_skt_unmount,
RT_NULL,
RT_NULL,
dfs_skt_open,
dfs_skt_close,
dfs_skt_ioctl,
dfs_skt_read,
RT_NULL,
RT_NULL,
dfs_skt_lseek,
dfs_skt_getdents,
RT_NULL,
dfs_skt_stat,
RT_NULL,
};
int dfs_skt_init(void)
{
/* register rom file system */
dfs_register(&_skt_fs);
return 0;
}