1a0596a2fb
This allows writing to the filesystem from the host computer and CircuitPython by increasing the risk of filesystem corruption.
81 lines
3.0 KiB
C
81 lines
3.0 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_EXTMOD_VFS_FAT_H
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#define MICROPY_INCLUDED_EXTMOD_VFS_FAT_H
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#include "py/lexer.h"
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#include "py/obj.h"
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#include "lib/oofatfs/ff.h"
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#include "extmod/vfs.h"
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// these are the values for fs_user_mount_t.flags
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#define FSUSER_NATIVE (0x0001) // readblocks[2]/writeblocks[2] contain native func
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#define FSUSER_FREE_OBJ (0x0002) // fs_user_mount_t obj should be freed on umount
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#define FSUSER_HAVE_IOCTL (0x0004) // new protocol with ioctl
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#define FSUSER_NO_FILESYSTEM (0x0008) // the block device has no filesystem on it
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// Device is writable over USB and read-only to MicroPython.
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#define FSUSER_USB_WRITABLE (0x0010)
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// Bit set when the above flag is checked before opening a file for write.
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#define FSUSER_CONCURRENT_WRITE_PROTECTED (0x0020)
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typedef struct _fs_user_mount_t {
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mp_obj_base_t base;
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uint16_t flags;
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mp_obj_t readblocks[4];
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mp_obj_t writeblocks[4];
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// new protocol uses just ioctl, old uses sync (optional) and count
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union {
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mp_obj_t ioctl[4];
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struct {
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mp_obj_t sync[2];
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mp_obj_t count[2];
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} old;
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} u;
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FATFS fatfs;
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} fs_user_mount_t;
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typedef struct _pyb_file_obj_t {
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mp_obj_base_t base;
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FIL fp;
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} pyb_file_obj_t;
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extern const byte fresult_to_errno_table[20];
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extern const mp_obj_type_t mp_fat_vfs_type;
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extern const mp_obj_type_t mp_type_vfs_fat_fileio;
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extern const mp_obj_type_t mp_type_vfs_fat_textio;
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mp_import_stat_t fat_vfs_import_stat(void *vfs, const char *path);
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MP_DECLARE_CONST_FUN_OBJ_3(fat_vfs_open_obj);
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mp_obj_t fat_vfs_ilistdir2(struct _fs_user_mount_t *vfs, const char *path, bool is_str_type);
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MP_DECLARE_CONST_FUN_OBJ_KW(fsuser_mount_obj);
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MP_DECLARE_CONST_FUN_OBJ_1(fsuser_umount_obj);
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MP_DECLARE_CONST_FUN_OBJ_KW(fsuser_mkfs_obj);
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#endif // MICROPY_INCLUDED_EXTMOD_VFS_FAT_H
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