Murat Kilivan / S25FL216K_FATFileSystem

Implementation of a LocalFileSystem using S25FL216K serial flash memory. Currently only 256kB available!

Dependencies:   FATFileSystem S25FL216K

Dependents:   S25FL216K_LocalFileSystem

Fork of S25FL216K_USBFileSystem by Murat Kilivan

FATFileSystem/FATDirHandle.cpp@5:c8918e47c566, 2014-12-23 (annotated)

Committer:
mkilivan
Date:
Tue Dec 23 21:36:32 2014 +0000
Revision:
5:c8918e47c566
initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mkilivan 5:c8918e47c566 1 /* mbed Microcontroller Library
mkilivan 5:c8918e47c566 2 * Copyright (c) 2006-2012 ARM Limited
mkilivan 5:c8918e47c566 3 *
mkilivan 5:c8918e47c566 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
mkilivan 5:c8918e47c566 5 * of this software and associated documentation files (the "Software"), to deal
mkilivan 5:c8918e47c566 6 * in the Software without restriction, including without limitation the rights
mkilivan 5:c8918e47c566 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mkilivan 5:c8918e47c566 8 * copies of the Software, and to permit persons to whom the Software is
mkilivan 5:c8918e47c566 9 * furnished to do so, subject to the following conditions:
mkilivan 5:c8918e47c566 10 *
mkilivan 5:c8918e47c566 11 * The above copyright notice and this permission notice shall be included in
mkilivan 5:c8918e47c566 12 * all copies or substantial portions of the Software.
mkilivan 5:c8918e47c566 13 *
mkilivan 5:c8918e47c566 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mkilivan 5:c8918e47c566 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mkilivan 5:c8918e47c566 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mkilivan 5:c8918e47c566 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mkilivan 5:c8918e47c566 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mkilivan 5:c8918e47c566 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
mkilivan 5:c8918e47c566 20 * SOFTWARE.
mkilivan 5:c8918e47c566 21 */
mkilivan 5:c8918e47c566 22 #include <string.h>
mkilivan 5:c8918e47c566 23 #include "ff.h"
mkilivan 5:c8918e47c566 24 #include "FATDirHandle.h"
mkilivan 5:c8918e47c566 25
mkilivan 5:c8918e47c566 26 using namespace mbed;
mkilivan 5:c8918e47c566 27
mkilivan 5:c8918e47c566 28 FATDirHandle::FATDirHandle(const FATFS_DIR &the_dir) {
mkilivan 5:c8918e47c566 29 dir = the_dir;
mkilivan 5:c8918e47c566 30 }
mkilivan 5:c8918e47c566 31
mkilivan 5:c8918e47c566 32 int FATDirHandle::closedir() {
mkilivan 5:c8918e47c566 33 delete this;
mkilivan 5:c8918e47c566 34 return 0;
mkilivan 5:c8918e47c566 35 }
mkilivan 5:c8918e47c566 36
mkilivan 5:c8918e47c566 37 struct dirent *FATDirHandle::readdir() {
mkilivan 5:c8918e47c566 38 FILINFO finfo;
mkilivan 5:c8918e47c566 39
mkilivan 5:c8918e47c566 40 #if _USE_LFN
mkilivan 5:c8918e47c566 41 finfo.lfname = cur_entry.d_name;
mkilivan 5:c8918e47c566 42 finfo.lfsize = sizeof(cur_entry.d_name);
mkilivan 5:c8918e47c566 43 #endif // _USE_LFN
mkilivan 5:c8918e47c566 44
mkilivan 5:c8918e47c566 45 FRESULT res = f_readdir(&dir, &finfo);
mkilivan 5:c8918e47c566 46
mkilivan 5:c8918e47c566 47 #if _USE_LFN
mkilivan 5:c8918e47c566 48 if(res != 0 || finfo.fname[0]==0) {
mkilivan 5:c8918e47c566 49 return NULL;
mkilivan 5:c8918e47c566 50 } else {
mkilivan 5:c8918e47c566 51 if(cur_entry.d_name[0]==0) {
mkilivan 5:c8918e47c566 52 // No long filename so use short filename.
mkilivan 5:c8918e47c566 53 memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
mkilivan 5:c8918e47c566 54 }
mkilivan 5:c8918e47c566 55 return &cur_entry;
mkilivan 5:c8918e47c566 56 }
mkilivan 5:c8918e47c566 57 #else
mkilivan 5:c8918e47c566 58 if(res != 0 || finfo.fname[0]==0) {
mkilivan 5:c8918e47c566 59 return NULL;
mkilivan 5:c8918e47c566 60 } else {
mkilivan 5:c8918e47c566 61 memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
mkilivan 5:c8918e47c566 62 return &cur_entry;
mkilivan 5:c8918e47c566 63 }
mkilivan 5:c8918e47c566 64 #endif /* _USE_LFN */
mkilivan 5:c8918e47c566 65 }
mkilivan 5:c8918e47c566 66
mkilivan 5:c8918e47c566 67 void FATDirHandle::rewinddir() {
mkilivan 5:c8918e47c566 68 dir.index = 0;
mkilivan 5:c8918e47c566 69 }
mkilivan 5:c8918e47c566 70
mkilivan 5:c8918e47c566 71 off_t FATDirHandle::telldir() {
mkilivan 5:c8918e47c566 72 return dir.index;
mkilivan 5:c8918e47c566 73 }
mkilivan 5:c8918e47c566 74
mkilivan 5:c8918e47c566 75 void FATDirHandle::seekdir(off_t location) {
mkilivan 5:c8918e47c566 76 dir.index = location;
mkilivan 5:c8918e47c566 77 }
mkilivan 5:c8918e47c566 78