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extmod/vfs_fat: Add chdir() method. 

Ported from stmhal.
This commit is contained in:
Paul Sokolovsky 2016-05-29 18:17:00 +03:00
parent 602305b211
commit f12146cbf6
1 changed files with 21 additions and 0 deletions
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21
extmod/vfs_fat.c
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@ -116,11 +116,32 @@ STATIC mp_obj_t fat_vfs_mkdir(mp_obj_t vfs_in, mp_obj_t path_o) {
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(fat_vfs_mkdir_obj, fat_vfs_mkdir);
/// Change current directory.
STATIC mp_obj_t fat_vfs_chdir(mp_obj_t path_in) {
const char *path;
path = mp_obj_str_get_str(path_in);
FRESULT res = f_chdrive(path);
if (res == FR_OK) {
res = f_chdir(path);
}
if (res != FR_OK) {
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError,
MP_OBJ_NEW_SMALL_INT(fresult_to_errno_table[res])));
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(fat_vfs_chdir_obj, fat_vfs_chdir);
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_chdir), MP_ROM_PTR(&fat_vfs_chdir_obj) },
{ MP_ROM_QSTR(MP_QSTR_remove), MP_ROM_PTR(&fat_vfs_remove_obj) },
{ MP_ROM_QSTR(MP_QSTR_rename), MP_ROM_PTR(&fat_vfs_rename_obj) },
};