Fork of FATFileSystem that exposes FILINFO in the FATDirHandle. This allows obtaining true file sizes and testing whether a dir pointer is a directory or a file.

Dependents:   SDFileSystemNoStall

Fork of FATFileSystem by mbed official

Committer:
uci1
Date:
Thu Oct 30 07:01:15 2014 +0000
Revision:
6:7a3c53d25d96
Parent:
4:3ff2606d5713
Revert the fat file system back to that from 17 Mar 2014 so that it works with the SD card library, and add again the exposing of FILINFO to FATDirHandle

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 1:46ce1e16c870 1 /* mbed Microcontroller Library
emilmont 1:46ce1e16c870 2 * Copyright (c) 2006-2012 ARM Limited
emilmont 1:46ce1e16c870 3 *
emilmont 1:46ce1e16c870 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
emilmont 1:46ce1e16c870 5 * of this software and associated documentation files (the "Software"), to deal
emilmont 1:46ce1e16c870 6 * in the Software without restriction, including without limitation the rights
emilmont 1:46ce1e16c870 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
emilmont 1:46ce1e16c870 8 * copies of the Software, and to permit persons to whom the Software is
emilmont 1:46ce1e16c870 9 * furnished to do so, subject to the following conditions:
emilmont 1:46ce1e16c870 10 *
emilmont 1:46ce1e16c870 11 * The above copyright notice and this permission notice shall be included in
emilmont 1:46ce1e16c870 12 * all copies or substantial portions of the Software.
emilmont 1:46ce1e16c870 13 *
emilmont 1:46ce1e16c870 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
emilmont 1:46ce1e16c870 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
emilmont 1:46ce1e16c870 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
emilmont 1:46ce1e16c870 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
emilmont 1:46ce1e16c870 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
emilmont 1:46ce1e16c870 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
emilmont 1:46ce1e16c870 20 * SOFTWARE.
emilmont 1:46ce1e16c870 21 */
emilmont 1:46ce1e16c870 22 #ifndef MBED_FATFILESYSTEM_H
emilmont 1:46ce1e16c870 23 #define MBED_FATFILESYSTEM_H
emilmont 1:46ce1e16c870 24
emilmont 1:46ce1e16c870 25 #include "FileSystemLike.h"
emilmont 1:46ce1e16c870 26 #include "FileHandle.h"
emilmont 1:46ce1e16c870 27 #include "ff.h"
emilmont 1:46ce1e16c870 28 #include <stdint.h>
emilmont 1:46ce1e16c870 29
emilmont 1:46ce1e16c870 30 using namespace mbed;
emilmont 1:46ce1e16c870 31
screamer 3:e960e2b81a3c 32 /**
uci1 6:7a3c53d25d96 33 * FATFileSystem based on ChaN's Fat Filesystem library v0.8
uci1 6:7a3c53d25d96 34 */
emilmont 1:46ce1e16c870 35 class FATFileSystem : public FileSystemLike {
emilmont 1:46ce1e16c870 36 public:
emilmont 1:46ce1e16c870 37
emilmont 1:46ce1e16c870 38 FATFileSystem(const char* n);
emilmont 1:46ce1e16c870 39 virtual ~FATFileSystem();
emilmont 1:46ce1e16c870 40
emilmont 1:46ce1e16c870 41 static FATFileSystem * _ffs[_VOLUMES]; // FATFileSystem objects, as parallel to FatFs drives array
emilmont 1:46ce1e16c870 42 FATFS _fs; // Work area (file system object) for logical drive
emilmont 1:46ce1e16c870 43 int _fsid;
uci1 6:7a3c53d25d96 44
screamer 3:e960e2b81a3c 45 /**
uci1 6:7a3c53d25d96 46 * Opens a file on the filesystem
uci1 6:7a3c53d25d96 47 */
emilmont 1:46ce1e16c870 48 virtual FileHandle *open(const char* name, int flags);
screamer 3:e960e2b81a3c 49
screamer 3:e960e2b81a3c 50 /**
screamer 3:e960e2b81a3c 51 * Removes a file path
screamer 3:e960e2b81a3c 52 */
emilmont 1:46ce1e16c870 53 virtual int remove(const char *filename);
uci1 6:7a3c53d25d96 54
screamer 3:e960e2b81a3c 55 /**
screamer 3:e960e2b81a3c 56 * Formats a logical drive, FDISK artitioning rule, 512 bytes per cluster
screamer 3:e960e2b81a3c 57 */
emilmont 1:46ce1e16c870 58 virtual int format();
uci1 6:7a3c53d25d96 59
screamer 3:e960e2b81a3c 60 /**
uci1 6:7a3c53d25d96 61 * Opens a directory on the filesystem
uci1 6:7a3c53d25d96 62 */
emilmont 1:46ce1e16c870 63 virtual DirHandle *opendir(const char *name);
screamer 3:e960e2b81a3c 64
screamer 3:e960e2b81a3c 65 /**
screamer 3:e960e2b81a3c 66 * Creates a directory path
screamer 3:e960e2b81a3c 67 */
emilmont 1:46ce1e16c870 68 virtual int mkdir(const char *name, mode_t mode);
emilmont 1:46ce1e16c870 69
emilmont 1:46ce1e16c870 70 virtual int disk_initialize() { return 0; }
emilmont 1:46ce1e16c870 71 virtual int disk_status() { return 0; }
uci1 6:7a3c53d25d96 72 virtual int disk_read(uint8_t * buffer, uint64_t sector) = 0;
uci1 6:7a3c53d25d96 73 virtual int disk_write(const uint8_t * buffer, uint64_t sector) = 0;
emilmont 1:46ce1e16c870 74 virtual int disk_sync() { return 0; }
emilmont 1:46ce1e16c870 75 virtual uint64_t disk_sectors() = 0;
emilmont 1:46ce1e16c870 76
emilmont 1:46ce1e16c870 77 };
emilmont 1:46ce1e16c870 78
emilmont 1:46ce1e16c870 79 #endif