121 lines
3.7 KiB
C
121 lines
3.7 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) 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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#include "py/mpconfig.h"
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// *_ADHOC part is for cc3200 port which doesn't use general uPy
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// infrastructure and instead duplicates code. TODO: Resolve.
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#if MICROPY_VFS_FAT || MICROPY_FSUSERMOUNT || MICROPY_FSUSERMOUNT_ADHOC
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#include <string.h>
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#include "py/nlr.h"
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#include "py/runtime.h"
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#include "lib/fatfs/ff.h"
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#include "lib/fatfs/diskio.h"
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#include "extmod/vfs_fat_file.h"
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#include "extmod/fsusermount.h"
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#include "py/lexer.h"
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#if _USE_LFN
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STATIC char lfn[_MAX_LFN + 1]; /* Buffer to store the LFN */
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#endif
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// TODO: actually, the core function should be ilistdir()
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mp_obj_t fat_vfs_listdir(const char *path, bool is_str_type) {
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FRESULT res;
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FILINFO fno;
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DIR dir;
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#if _USE_LFN
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fno.lfname = lfn;
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fno.lfsize = sizeof lfn;
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#endif
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res = f_opendir(&dir, path); /* Open the directory */
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if (res != FR_OK) {
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nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError,
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MP_OBJ_NEW_SMALL_INT(fresult_to_errno_table[res])));
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}
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mp_obj_t dir_list = mp_obj_new_list(0, NULL);
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for (;;) {
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res = f_readdir(&dir, &fno); /* Read a directory item */
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if (res != FR_OK || fno.fname[0] == 0) break; /* Break on error or end of dir */
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if (fno.fname[0] == '.' && fno.fname[1] == 0) continue; /* Ignore . entry */
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if (fno.fname[0] == '.' && fno.fname[1] == '.' && fno.fname[2] == 0) continue; /* Ignore .. entry */
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#if _USE_LFN
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char *fn = *fno.lfname ? fno.lfname : fno.fname;
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#else
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char *fn = fno.fname;
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#endif
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/*
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if (fno.fattrib & AM_DIR) {
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// dir
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} else {
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// file
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}
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*/
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// make a string object for this entry
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mp_obj_t entry_o;
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if (is_str_type) {
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entry_o = mp_obj_new_str(fn, strlen(fn), false);
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} else {
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entry_o = mp_obj_new_bytes((const byte*)fn, strlen(fn));
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}
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// add the entry to the list
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mp_obj_list_append(dir_list, entry_o);
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}
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f_closedir(&dir);
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return dir_list;
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}
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mp_import_stat_t fat_vfs_import_stat(const char *path);
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mp_import_stat_t fat_vfs_import_stat(const char *path) {
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FILINFO fno;
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#if _USE_LFN
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fno.lfname = NULL;
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fno.lfsize = 0;
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#endif
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FRESULT res = f_stat(path, &fno);
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if (res == FR_OK) {
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if ((fno.fattrib & AM_DIR) != 0) {
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return MP_IMPORT_STAT_DIR;
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} else {
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return MP_IMPORT_STAT_FILE;
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}
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}
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return MP_IMPORT_STAT_NO_EXIST;
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}
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#endif // MICROPY_VFS_FAT
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