Some library needed for things? Licence unknown
FATDirHandle.cpp@0:e4324838bc6f, 2012-07-29 (annotated)
- Committer:
- TBSliver
- Date:
- Sun Jul 29 10:07:38 2012 +0000
- Revision:
- 0:e4324838bc6f
[mbed] converted /LEDSign_SimpleSD/FatFileSystem
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
TBSliver | 0:e4324838bc6f | 1 | /* mbed Microcontroller Library - FATDirHandle |
TBSliver | 0:e4324838bc6f | 2 | * Copyright (c) 2008, sford |
TBSliver | 0:e4324838bc6f | 3 | */ |
TBSliver | 0:e4324838bc6f | 4 | |
TBSliver | 0:e4324838bc6f | 5 | #include <stdio.h> |
TBSliver | 0:e4324838bc6f | 6 | #include <stdlib.h> |
TBSliver | 0:e4324838bc6f | 7 | #include <string.h> |
TBSliver | 0:e4324838bc6f | 8 | #include "ff.h" |
TBSliver | 0:e4324838bc6f | 9 | #include "FATDirHandle.h" |
TBSliver | 0:e4324838bc6f | 10 | #include "FATFileSystem.h" |
TBSliver | 0:e4324838bc6f | 11 | |
TBSliver | 0:e4324838bc6f | 12 | namespace mbed { |
TBSliver | 0:e4324838bc6f | 13 | |
TBSliver | 0:e4324838bc6f | 14 | FATDirHandle::FATDirHandle(const FATFS_DIR &the_dir) { |
TBSliver | 0:e4324838bc6f | 15 | dir = the_dir; |
TBSliver | 0:e4324838bc6f | 16 | } |
TBSliver | 0:e4324838bc6f | 17 | |
TBSliver | 0:e4324838bc6f | 18 | int FATDirHandle::closedir() { |
TBSliver | 0:e4324838bc6f | 19 | delete this; |
TBSliver | 0:e4324838bc6f | 20 | return 0; |
TBSliver | 0:e4324838bc6f | 21 | } |
TBSliver | 0:e4324838bc6f | 22 | |
TBSliver | 0:e4324838bc6f | 23 | struct dirent *FATDirHandle::readdir() { |
TBSliver | 0:e4324838bc6f | 24 | FILINFO finfo; |
TBSliver | 0:e4324838bc6f | 25 | |
TBSliver | 0:e4324838bc6f | 26 | #if _USE_LFN |
TBSliver | 0:e4324838bc6f | 27 | finfo.lfname = cur_entry.d_name; |
TBSliver | 0:e4324838bc6f | 28 | finfo.lfsize = sizeof(cur_entry.d_name); |
TBSliver | 0:e4324838bc6f | 29 | #endif // _USE_LFN |
TBSliver | 0:e4324838bc6f | 30 | |
TBSliver | 0:e4324838bc6f | 31 | FRESULT res = f_readdir(&dir, &finfo); |
TBSliver | 0:e4324838bc6f | 32 | |
TBSliver | 0:e4324838bc6f | 33 | #if _USE_LFN |
TBSliver | 0:e4324838bc6f | 34 | if(res != 0 || finfo.fname[0]==0) { |
TBSliver | 0:e4324838bc6f | 35 | return NULL; |
TBSliver | 0:e4324838bc6f | 36 | } else { |
TBSliver | 0:e4324838bc6f | 37 | if(cur_entry.d_name[0]==0) { |
TBSliver | 0:e4324838bc6f | 38 | // No long filename so use short filename. |
TBSliver | 0:e4324838bc6f | 39 | memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname)); |
TBSliver | 0:e4324838bc6f | 40 | } |
TBSliver | 0:e4324838bc6f | 41 | return &cur_entry; |
TBSliver | 0:e4324838bc6f | 42 | } |
TBSliver | 0:e4324838bc6f | 43 | #else |
TBSliver | 0:e4324838bc6f | 44 | if(res != 0 || finfo.fname[0]==0) { |
TBSliver | 0:e4324838bc6f | 45 | return NULL; |
TBSliver | 0:e4324838bc6f | 46 | } else { |
TBSliver | 0:e4324838bc6f | 47 | memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname)); |
TBSliver | 0:e4324838bc6f | 48 | return &cur_entry; |
TBSliver | 0:e4324838bc6f | 49 | } |
TBSliver | 0:e4324838bc6f | 50 | #endif /* _USE_LFN */ |
TBSliver | 0:e4324838bc6f | 51 | } |
TBSliver | 0:e4324838bc6f | 52 | |
TBSliver | 0:e4324838bc6f | 53 | void FATDirHandle::rewinddir() { |
TBSliver | 0:e4324838bc6f | 54 | dir.index = 0; |
TBSliver | 0:e4324838bc6f | 55 | } |
TBSliver | 0:e4324838bc6f | 56 | |
TBSliver | 0:e4324838bc6f | 57 | off_t FATDirHandle::telldir() { |
TBSliver | 0:e4324838bc6f | 58 | return dir.index; |
TBSliver | 0:e4324838bc6f | 59 | } |
TBSliver | 0:e4324838bc6f | 60 | |
TBSliver | 0:e4324838bc6f | 61 | void FATDirHandle::seekdir(off_t location) { |
TBSliver | 0:e4324838bc6f | 62 | dir.index = location; |
TBSliver | 0:e4324838bc6f | 63 | } |
TBSliver | 0:e4324838bc6f | 64 | |
TBSliver | 0:e4324838bc6f | 65 | } |
TBSliver | 0:e4324838bc6f | 66 |