Chaiyaporn Boonyasathian / FATFileSystem

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FATFileSystem.h@0:9296bb2a98a8, 2016-12-02 (annotated)

Committer:
cha45689
Date:
Fri Dec 02 19:37:14 2016 +0000
Revision:
0:9296bb2a98a8
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Who changed what in which revision?

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cha45689 0:9296bb2a98a8 1
cha45689 0:9296bb2a98a8 2 /* mbed Microcontroller Library
cha45689 0:9296bb2a98a8 3 * Copyright (c) 2006-2012 ARM Limited
cha45689 0:9296bb2a98a8 4 *
cha45689 0:9296bb2a98a8 5 * Permission is hereby granted, free of charge, to any person obtaining a copy
cha45689 0:9296bb2a98a8 6 * of this software and associated documentation files (the "Software"), to deal
cha45689 0:9296bb2a98a8 7 * in the Software without restriction, including without limitation the rights
cha45689 0:9296bb2a98a8 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
cha45689 0:9296bb2a98a8 9 * copies of the Software, and to permit persons to whom the Software is
cha45689 0:9296bb2a98a8 10 * furnished to do so, subject to the following conditions:
cha45689 0:9296bb2a98a8 11 *
cha45689 0:9296bb2a98a8 12 * The above copyright notice and this permission notice shall be included in
cha45689 0:9296bb2a98a8 13 * all copies or substantial portions of the Software.
cha45689 0:9296bb2a98a8 14 *
cha45689 0:9296bb2a98a8 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
cha45689 0:9296bb2a98a8 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
cha45689 0:9296bb2a98a8 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
cha45689 0:9296bb2a98a8 18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
cha45689 0:9296bb2a98a8 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
cha45689 0:9296bb2a98a8 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
cha45689 0:9296bb2a98a8 21 * SOFTWARE.
cha45689 0:9296bb2a98a8 22 */
cha45689 0:9296bb2a98a8 23 #ifndef MBED_FATFILESYSTEM_H
cha45689 0:9296bb2a98a8 24 #define MBED_FATFILESYSTEM_H
cha45689 0:9296bb2a98a8 25
cha45689 0:9296bb2a98a8 26 #include "FileSystemLike.h"
cha45689 0:9296bb2a98a8 27 #include "FileHandle.h"
cha45689 0:9296bb2a98a8 28 #include "ff.h"
cha45689 0:9296bb2a98a8 29 #include <stdint.h>
cha45689 0:9296bb2a98a8 30
cha45689 0:9296bb2a98a8 31 using namespace mbed;
cha45689 0:9296bb2a98a8 32
cha45689 0:9296bb2a98a8 33 /**
cha45689 0:9296bb2a98a8 34 * FATFileSystem based on ChaN's Fat Filesystem library v0.8
cha45689 0:9296bb2a98a8 35 */
cha45689 0:9296bb2a98a8 36 class FATFileSystem : public FileSystemLike {
cha45689 0:9296bb2a98a8 37 public:
cha45689 0:9296bb2a98a8 38
cha45689 0:9296bb2a98a8 39 FATFileSystem(const char* n);
cha45689 0:9296bb2a98a8 40 virtual ~FATFileSystem();
cha45689 0:9296bb2a98a8 41
cha45689 0:9296bb2a98a8 42 static FATFileSystem * _ffs[_VOLUMES]; // FATFileSystem objects, as parallel to FatFs drives array
cha45689 0:9296bb2a98a8 43 FATFS _fs; // Work area (file system object) for logical drive
cha45689 0:9296bb2a98a8 44 int _fsid;
cha45689 0:9296bb2a98a8 45
cha45689 0:9296bb2a98a8 46 /**
cha45689 0:9296bb2a98a8 47 * Opens a file on the filesystem
cha45689 0:9296bb2a98a8 48 */
cha45689 0:9296bb2a98a8 49 virtual FileHandle *open(const char* name, int flags);
cha45689 0:9296bb2a98a8 50
cha45689 0:9296bb2a98a8 51 /**
cha45689 0:9296bb2a98a8 52 * Removes a file path
cha45689 0:9296bb2a98a8 53 */
cha45689 0:9296bb2a98a8 54 virtual int remove(const char *filename);
cha45689 0:9296bb2a98a8 55
cha45689 0:9296bb2a98a8 56 /**
cha45689 0:9296bb2a98a8 57 * Formats a logical drive, FDISK artitioning rule, 512 bytes per cluster
cha45689 0:9296bb2a98a8 58 */
cha45689 0:9296bb2a98a8 59 virtual int format();
cha45689 0:9296bb2a98a8 60
cha45689 0:9296bb2a98a8 61 /**
cha45689 0:9296bb2a98a8 62 * Opens a directory on the filesystem
cha45689 0:9296bb2a98a8 63 */
cha45689 0:9296bb2a98a8 64 virtual DirHandle *opendir(const char *name);
cha45689 0:9296bb2a98a8 65
cha45689 0:9296bb2a98a8 66 /**
cha45689 0:9296bb2a98a8 67 * Creates a directory path
cha45689 0:9296bb2a98a8 68 */
cha45689 0:9296bb2a98a8 69 virtual int mkdir(const char *name, mode_t mode);
cha45689 0:9296bb2a98a8 70
cha45689 0:9296bb2a98a8 71 virtual int disk_initialize() { return 0; }
cha45689 0:9296bb2a98a8 72 virtual int disk_status() { return 0; }
cha45689 0:9296bb2a98a8 73 virtual int disk_read(uint8_t * buffer, uint64_t sector) = 0;
cha45689 0:9296bb2a98a8 74 virtual int disk_write(const uint8_t * buffer, uint64_t sector) = 0;
cha45689 0:9296bb2a98a8 75 virtual int disk_sync() { return 0; }
cha45689 0:9296bb2a98a8 76 virtual uint64_t disk_sectors() = 0;
cha45689 0:9296bb2a98a8 77
cha45689 0:9296bb2a98a8 78 };
cha45689 0:9296bb2a98a8 79
cha45689 0:9296bb2a98a8 80 #endif
cha45689 0:9296bb2a98a8 81