Nitin Shukla / LED_Demo

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Dependencies:   MAX44000 nexpaq_mdk

Fork of LED_Demo by Maxim nexpaq

mbd_os/libraries/fs/fat/FATFileSystem.h@7:3a65ef12ba31, 2016-11-04 (annotated)

Committer:
nitsshukla
Date:
Fri Nov 04 12:06:04 2016 +0000
Revision:
7:3a65ef12ba31
Parent:
1:55a6170b404f 
kghj;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 1:55a6170b404f 1 /* mbed Microcontroller Library
nexpaq 1:55a6170b404f 2 * Copyright (c) 2006-2012 ARM Limited
nexpaq 1:55a6170b404f 3 *
nexpaq 1:55a6170b404f 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
nexpaq 1:55a6170b404f 5 * of this software and associated documentation files (the "Software"), to deal
nexpaq 1:55a6170b404f 6 * in the Software without restriction, including without limitation the rights
nexpaq 1:55a6170b404f 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
nexpaq 1:55a6170b404f 8 * copies of the Software, and to permit persons to whom the Software is
nexpaq 1:55a6170b404f 9 * furnished to do so, subject to the following conditions:
nexpaq 1:55a6170b404f 10 *
nexpaq 1:55a6170b404f 11 * The above copyright notice and this permission notice shall be included in
nexpaq 1:55a6170b404f 12 * all copies or substantial portions of the Software.
nexpaq 1:55a6170b404f 13 *
nexpaq 1:55a6170b404f 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
nexpaq 1:55a6170b404f 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
nexpaq 1:55a6170b404f 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
nexpaq 1:55a6170b404f 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
nexpaq 1:55a6170b404f 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
nexpaq 1:55a6170b404f 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
nexpaq 1:55a6170b404f 20 * SOFTWARE.
nexpaq 1:55a6170b404f 21 */
nexpaq 1:55a6170b404f 22 #ifndef MBED_FATFILESYSTEM_H
nexpaq 1:55a6170b404f 23 #define MBED_FATFILESYSTEM_H
nexpaq 1:55a6170b404f 24
nexpaq 1:55a6170b404f 25 #include "FileSystemLike.h"
nexpaq 1:55a6170b404f 26 #include "FileHandle.h"
nexpaq 1:55a6170b404f 27 #include "ff.h"
nexpaq 1:55a6170b404f 28 #include <stdint.h>
nexpaq 1:55a6170b404f 29 #include "PlatformMutex.h"
nexpaq 1:55a6170b404f 30
nexpaq 1:55a6170b404f 31 using namespace mbed;
nexpaq 1:55a6170b404f 32
nexpaq 1:55a6170b404f 33 /**
nexpaq 1:55a6170b404f 34 * FATFileSystem based on ChaN's Fat Filesystem library v0.8
nexpaq 1:55a6170b404f 35 */
nexpaq 1:55a6170b404f 36 class FATFileSystem : public FileSystemLike {
nexpaq 1:55a6170b404f 37 public:
nexpaq 1:55a6170b404f 38
nexpaq 1:55a6170b404f 39 FATFileSystem(const char* n);
nexpaq 1:55a6170b404f 40 virtual ~FATFileSystem();
nexpaq 1:55a6170b404f 41
nexpaq 1:55a6170b404f 42 static FATFileSystem * _ffs[_VOLUMES]; // FATFileSystem objects, as parallel to FatFs drives array
nexpaq 1:55a6170b404f 43 FATFS _fs; // Work area (file system object) for logical drive
nexpaq 1:55a6170b404f 44 char _fsid[2];
nexpaq 1:55a6170b404f 45
nexpaq 1:55a6170b404f 46 /**
nexpaq 1:55a6170b404f 47 * Opens a file on the filesystem
nexpaq 1:55a6170b404f 48 */
nexpaq 1:55a6170b404f 49 virtual FileHandle *open(const char* name, int flags);
nexpaq 1:55a6170b404f 50
nexpaq 1:55a6170b404f 51 /**
nexpaq 1:55a6170b404f 52 * Removes a file path
nexpaq 1:55a6170b404f 53 */
nexpaq 1:55a6170b404f 54 virtual int remove(const char *filename);
nexpaq 1:55a6170b404f 55
nexpaq 1:55a6170b404f 56 /**
nexpaq 1:55a6170b404f 57 * Renames a file
nexpaq 1:55a6170b404f 58 */
nexpaq 1:55a6170b404f 59 virtual int rename(const char *oldname, const char *newname);
nexpaq 1:55a6170b404f 60
nexpaq 1:55a6170b404f 61 /**
nexpaq 1:55a6170b404f 62 * Formats a logical drive, FDISK artitioning rule, 512 bytes per cluster
nexpaq 1:55a6170b404f 63 */
nexpaq 1:55a6170b404f 64 virtual int format();
nexpaq 1:55a6170b404f 65
nexpaq 1:55a6170b404f 66 /**
nexpaq 1:55a6170b404f 67 * Opens a directory on the filesystem
nexpaq 1:55a6170b404f 68 */
nexpaq 1:55a6170b404f 69 virtual DirHandle *opendir(const char *name);
nexpaq 1:55a6170b404f 70
nexpaq 1:55a6170b404f 71 /**
nexpaq 1:55a6170b404f 72 * Creates a directory path
nexpaq 1:55a6170b404f 73 */
nexpaq 1:55a6170b404f 74 virtual int mkdir(const char *name, mode_t mode);
nexpaq 1:55a6170b404f 75
nexpaq 1:55a6170b404f 76 /**
nexpaq 1:55a6170b404f 77 * Mounts the filesystem
nexpaq 1:55a6170b404f 78 */
nexpaq 1:55a6170b404f 79 virtual int mount();
nexpaq 1:55a6170b404f 80
nexpaq 1:55a6170b404f 81 /**
nexpaq 1:55a6170b404f 82 * Unmounts the filesystem
nexpaq 1:55a6170b404f 83 */
nexpaq 1:55a6170b404f 84 virtual int unmount();
nexpaq 1:55a6170b404f 85
nexpaq 1:55a6170b404f 86 virtual int disk_initialize() { return 0; }
nexpaq 1:55a6170b404f 87 virtual int disk_status() { return 0; }
nexpaq 1:55a6170b404f 88 virtual int disk_read(uint8_t *buffer, uint32_t sector, uint32_t count) = 0;
nexpaq 1:55a6170b404f 89 virtual int disk_write(const uint8_t *buffer, uint32_t sector, uint32_t count) = 0;
nexpaq 1:55a6170b404f 90 virtual int disk_sync() { return 0; }
nexpaq 1:55a6170b404f 91 virtual uint32_t disk_sectors() = 0;
nexpaq 1:55a6170b404f 92
nexpaq 1:55a6170b404f 93 protected:
nexpaq 1:55a6170b404f 94
nexpaq 1:55a6170b404f 95 virtual void lock();
nexpaq 1:55a6170b404f 96 virtual void unlock();
nexpaq 1:55a6170b404f 97
nexpaq 1:55a6170b404f 98 private:
nexpaq 1:55a6170b404f 99
nexpaq 1:55a6170b404f 100 PlatformMutex *_mutex;
nexpaq 1:55a6170b404f 101
nexpaq 1:55a6170b404f 102 };
nexpaq 1:55a6170b404f 103
nexpaq 1:55a6170b404f 104 #endif