kopia lustrzana https://github.com/micropython/micropython
125 wiersze
4.7 KiB
C
125 wiersze
4.7 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2014 Damien P. George
|
|
* Copyright (c) 2016 Paul Sokolovsky
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#include "py/mpconfig.h"
|
|
#if MICROPY_VFS_FAT
|
|
|
|
#include "py/nlr.h"
|
|
#include "py/runtime.h"
|
|
#include "lib/fatfs/ff.h"
|
|
#include "lib/fatfs/diskio.h"
|
|
#include "extmod/vfs_fat_file.h"
|
|
#include "fsusermount.h"
|
|
|
|
#define mp_obj_fat_vfs_t fs_user_mount_t
|
|
|
|
STATIC mp_obj_t fat_vfs_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
|
|
mp_arg_check_num(n_args, n_kw, 2, 2, false);
|
|
mp_obj_fat_vfs_t *vfs = fatfs_mount_mkfs(n_args, args, (mp_map_t*)&mp_const_empty_map, false);
|
|
vfs->base.type = type;
|
|
return MP_OBJ_FROM_PTR(vfs);
|
|
}
|
|
|
|
STATIC mp_obj_t fat_vfs_mkfs(mp_obj_t bdev_in) {
|
|
mp_obj_t args[] = {bdev_in, MP_OBJ_NEW_QSTR(MP_QSTR_mkfs)};
|
|
fatfs_mount_mkfs(2, args, (mp_map_t*)&mp_const_empty_map, true);
|
|
return mp_const_none;
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_1(fat_vfs_mkfs_fun_obj, fat_vfs_mkfs);
|
|
STATIC MP_DEFINE_CONST_STATICMETHOD_OBJ(fat_vfs_mkfs_obj, MP_ROM_PTR(&fat_vfs_mkfs_fun_obj));
|
|
|
|
STATIC mp_obj_t fat_vfs_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
|
|
// Skip self
|
|
return fatfs_builtin_open(n_args - 1, args + 1, kwargs);
|
|
}
|
|
MP_DEFINE_CONST_FUN_OBJ_KW(fat_vfs_open_obj, 2, fat_vfs_open);
|
|
|
|
STATIC mp_obj_t fat_vfs_listdir_func(size_t n_args, const mp_obj_t *args) {
|
|
bool is_str_type = true;
|
|
const char *path;
|
|
if (n_args == 2) {
|
|
if (mp_obj_get_type(args[1]) == &mp_type_bytes) {
|
|
is_str_type = false;
|
|
}
|
|
path = mp_obj_str_get_str(args[1]);
|
|
} else {
|
|
path = "";
|
|
}
|
|
|
|
return fat_vfs_listdir(path, is_str_type);
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(fat_vfs_listdir_obj, 1, 2, fat_vfs_listdir_func);
|
|
|
|
STATIC mp_obj_t fat_vfs_remove(mp_obj_t vfs_in, mp_obj_t path_in) {
|
|
(void)vfs_in;
|
|
const char *path = mp_obj_str_get_str(path_in);
|
|
// TODO check that path is actually a file before trying to unlink it
|
|
FRESULT res = f_unlink(path);
|
|
switch (res) {
|
|
case FR_OK:
|
|
return mp_const_none;
|
|
default:
|
|
// TODO: standard errno's
|
|
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "Error removing file '%s'", path));
|
|
}
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_2(fat_vfs_remove_obj, fat_vfs_remove);
|
|
|
|
STATIC mp_obj_t fat_vfs_mkdir(mp_obj_t vfs_in, mp_obj_t path_o) {
|
|
(void)vfs_in;
|
|
const char *path = mp_obj_str_get_str(path_o);
|
|
FRESULT res = f_mkdir(path);
|
|
switch (res) {
|
|
case FR_OK:
|
|
return mp_const_none;
|
|
case FR_EXIST:
|
|
// TODO should be FileExistsError
|
|
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "File exists: '%s'", path));
|
|
default:
|
|
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "Error creating directory '%s'", path));
|
|
}
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_2(fat_vfs_mkdir_obj, fat_vfs_mkdir);
|
|
|
|
STATIC const mp_rom_map_elem_t fat_vfs_locals_dict_table[] = {
|
|
{ MP_ROM_QSTR(MP_QSTR_mkfs), MP_ROM_PTR(&fat_vfs_mkfs_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_open), MP_ROM_PTR(&fat_vfs_open_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_listdir), MP_ROM_PTR(&fat_vfs_listdir_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_mkdir), MP_ROM_PTR(&fat_vfs_mkdir_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_remove), MP_ROM_PTR(&fat_vfs_remove_obj) },
|
|
};
|
|
STATIC MP_DEFINE_CONST_DICT(fat_vfs_locals_dict, fat_vfs_locals_dict_table);
|
|
|
|
const mp_obj_type_t mp_fat_vfs_type = {
|
|
{ &mp_type_type },
|
|
.name = MP_QSTR_VfsFat,
|
|
.make_new = fat_vfs_make_new,
|
|
.locals_dict = (mp_obj_dict_t*)&fat_vfs_locals_dict,
|
|
};
|
|
|
|
#endif // MICROPY_VFS_FAT
|