Junichi Katsu / Mbed 2 deprecated OnlyYesterday

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed FATFileSystem

Fork of OnlyYestaerday by Junichi Katsu

SDFileSystem/FATFileSystem/FATDirHandle.cpp@0:5975af170e43, 2014-04-02 (annotated)

Committer:
jksoft
Date:
Wed Apr 02 01:43:55 2014 +0000
Revision:
0:5975af170e43
1st Prototype

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jksoft 0:5975af170e43 1 /* mbed Microcontroller Library
jksoft 0:5975af170e43 2 * Copyright (c) 2006-2012 ARM Limited
jksoft 0:5975af170e43 3 *
jksoft 0:5975af170e43 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
jksoft 0:5975af170e43 5 * of this software and associated documentation files (the "Software"), to deal
jksoft 0:5975af170e43 6 * in the Software without restriction, including without limitation the rights
jksoft 0:5975af170e43 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
jksoft 0:5975af170e43 8 * copies of the Software, and to permit persons to whom the Software is
jksoft 0:5975af170e43 9 * furnished to do so, subject to the following conditions:
jksoft 0:5975af170e43 10 *
jksoft 0:5975af170e43 11 * The above copyright notice and this permission notice shall be included in
jksoft 0:5975af170e43 12 * all copies or substantial portions of the Software.
jksoft 0:5975af170e43 13 *
jksoft 0:5975af170e43 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
jksoft 0:5975af170e43 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
jksoft 0:5975af170e43 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
jksoft 0:5975af170e43 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
jksoft 0:5975af170e43 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jksoft 0:5975af170e43 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
jksoft 0:5975af170e43 20 * SOFTWARE.
jksoft 0:5975af170e43 21 */
jksoft 0:5975af170e43 22 #include <string.h>
jksoft 0:5975af170e43 23 #include "ff.h"
jksoft 0:5975af170e43 24 #include "FATDirHandle.h"
jksoft 0:5975af170e43 25
jksoft 0:5975af170e43 26 using namespace mbed;
jksoft 0:5975af170e43 27
jksoft 0:5975af170e43 28 FATDirHandle::FATDirHandle(const FATFS_DIR &the_dir) {
jksoft 0:5975af170e43 29 dir = the_dir;
jksoft 0:5975af170e43 30 }
jksoft 0:5975af170e43 31
jksoft 0:5975af170e43 32 int FATDirHandle::closedir() {
jksoft 0:5975af170e43 33 delete this;
jksoft 0:5975af170e43 34 return 0;
jksoft 0:5975af170e43 35 }
jksoft 0:5975af170e43 36
jksoft 0:5975af170e43 37 struct dirent *FATDirHandle::readdir() {
jksoft 0:5975af170e43 38 FILINFO finfo;
jksoft 0:5975af170e43 39
jksoft 0:5975af170e43 40 #if _USE_LFN
jksoft 0:5975af170e43 41 finfo.lfname = cur_entry.d_name;
jksoft 0:5975af170e43 42 finfo.lfsize = sizeof(cur_entry.d_name);
jksoft 0:5975af170e43 43 #endif // _USE_LFN
jksoft 0:5975af170e43 44
jksoft 0:5975af170e43 45 FRESULT res = f_readdir(&dir, &finfo);
jksoft 0:5975af170e43 46
jksoft 0:5975af170e43 47 #if _USE_LFN
jksoft 0:5975af170e43 48 if(res != 0 || finfo.fname[0]==0) {
jksoft 0:5975af170e43 49 return NULL;
jksoft 0:5975af170e43 50 } else {
jksoft 0:5975af170e43 51 if(cur_entry.d_name[0]==0) {
jksoft 0:5975af170e43 52 // No long filename so use short filename.
jksoft 0:5975af170e43 53 memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
jksoft 0:5975af170e43 54 }
jksoft 0:5975af170e43 55 return &cur_entry;
jksoft 0:5975af170e43 56 }
jksoft 0:5975af170e43 57 #else
jksoft 0:5975af170e43 58 if(res != 0 || finfo.fname[0]==0) {
jksoft 0:5975af170e43 59 return NULL;
jksoft 0:5975af170e43 60 } else {
jksoft 0:5975af170e43 61 memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
jksoft 0:5975af170e43 62 return &cur_entry;
jksoft 0:5975af170e43 63 }
jksoft 0:5975af170e43 64 #endif /* _USE_LFN */
jksoft 0:5975af170e43 65 }
jksoft 0:5975af170e43 66
jksoft 0:5975af170e43 67 void FATDirHandle::rewinddir() {
jksoft 0:5975af170e43 68 dir.index = 0;
jksoft 0:5975af170e43 69 }
jksoft 0:5975af170e43 70
jksoft 0:5975af170e43 71 off_t FATDirHandle::telldir() {
jksoft 0:5975af170e43 72 return dir.index;
jksoft 0:5975af170e43 73 }
jksoft 0:5975af170e43 74
jksoft 0:5975af170e43 75 void FATDirHandle::seekdir(off_t location) {
jksoft 0:5975af170e43 76 dir.index = location;
jksoft 0:5975af170e43 77 }
jksoft 0:5975af170e43 78