Joerg Schmalzl / USBHost_DISCO-F746NG_joerg

USB lib Joerg

Fork of USBHost_DISCO-F746NG by Dieter Graef

FATFileSystem/FATFileSystem.h@24:5396b6a93262, 2016-06-13 (annotated)

Committer:
DieterGraef
Date:
Mon Jun 13 17:21:07 2016 +0000
Revision:
24:5396b6a93262
USB Host for STM32F746 DISCO Board. At the moment you can only use either the High Speed Port or the Fast Speed Port.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DieterGraef 24:5396b6a93262 1 /* mbed Microcontroller Library
DieterGraef 24:5396b6a93262 2 * Copyright (c) 2006-2012 ARM Limited
DieterGraef 24:5396b6a93262 3 *
DieterGraef 24:5396b6a93262 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
DieterGraef 24:5396b6a93262 5 * of this software and associated documentation files (the "Software"), to deal
DieterGraef 24:5396b6a93262 6 * in the Software without restriction, including without limitation the rights
DieterGraef 24:5396b6a93262 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
DieterGraef 24:5396b6a93262 8 * copies of the Software, and to permit persons to whom the Software is
DieterGraef 24:5396b6a93262 9 * furnished to do so, subject to the following conditions:
DieterGraef 24:5396b6a93262 10 *
DieterGraef 24:5396b6a93262 11 * The above copyright notice and this permission notice shall be included in
DieterGraef 24:5396b6a93262 12 * all copies or substantial portions of the Software.
DieterGraef 24:5396b6a93262 13 *
DieterGraef 24:5396b6a93262 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
DieterGraef 24:5396b6a93262 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
DieterGraef 24:5396b6a93262 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
DieterGraef 24:5396b6a93262 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
DieterGraef 24:5396b6a93262 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
DieterGraef 24:5396b6a93262 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
DieterGraef 24:5396b6a93262 20 * SOFTWARE.
DieterGraef 24:5396b6a93262 21 */
DieterGraef 24:5396b6a93262 22 #ifndef MBED_FATFILESYSTEM_H
DieterGraef 24:5396b6a93262 23 #define MBED_FATFILESYSTEM_H
DieterGraef 24:5396b6a93262 24
DieterGraef 24:5396b6a93262 25 #include "FileSystemLike.h"
DieterGraef 24:5396b6a93262 26 #include "FileHandle.h"
DieterGraef 24:5396b6a93262 27 #include "ff.h"
DieterGraef 24:5396b6a93262 28 #include <stdint.h>
DieterGraef 24:5396b6a93262 29
DieterGraef 24:5396b6a93262 30 using namespace mbed;
DieterGraef 24:5396b6a93262 31
DieterGraef 24:5396b6a93262 32 /**
DieterGraef 24:5396b6a93262 33 * FATFileSystem based on ChaN's Fat Filesystem library v0.8
DieterGraef 24:5396b6a93262 34 */
DieterGraef 24:5396b6a93262 35 class FATFileSystem : public FileSystemLike {
DieterGraef 24:5396b6a93262 36 public:
DieterGraef 24:5396b6a93262 37
DieterGraef 24:5396b6a93262 38 FATFileSystem(const char* n);
DieterGraef 24:5396b6a93262 39 virtual ~FATFileSystem();
DieterGraef 24:5396b6a93262 40
DieterGraef 24:5396b6a93262 41 static FATFileSystem * _ffs[_VOLUMES]; // FATFileSystem objects, as parallel to FatFs drives array
DieterGraef 24:5396b6a93262 42 FATFS _fs; // Work area (file system object) for logical drive
DieterGraef 24:5396b6a93262 43 char _fsid[2];
DieterGraef 24:5396b6a93262 44
DieterGraef 24:5396b6a93262 45 /**
DieterGraef 24:5396b6a93262 46 * Opens a file on the filesystem
DieterGraef 24:5396b6a93262 47 */
DieterGraef 24:5396b6a93262 48 virtual FileHandle *open(const char* name, int flags);
DieterGraef 24:5396b6a93262 49
DieterGraef 24:5396b6a93262 50 /**
DieterGraef 24:5396b6a93262 51 * Removes a file path
DieterGraef 24:5396b6a93262 52 */
DieterGraef 24:5396b6a93262 53 virtual int remove(const char *filename);
DieterGraef 24:5396b6a93262 54
DieterGraef 24:5396b6a93262 55 /**
DieterGraef 24:5396b6a93262 56 * Renames a file
DieterGraef 24:5396b6a93262 57 */
DieterGraef 24:5396b6a93262 58 virtual int rename(const char *oldname, const char *newname);
DieterGraef 24:5396b6a93262 59
DieterGraef 24:5396b6a93262 60 /**
DieterGraef 24:5396b6a93262 61 * Formats a logical drive, FDISK artitioning rule, 512 bytes per cluster
DieterGraef 24:5396b6a93262 62 */
DieterGraef 24:5396b6a93262 63 virtual int format();
DieterGraef 24:5396b6a93262 64
DieterGraef 24:5396b6a93262 65 /**
DieterGraef 24:5396b6a93262 66 * Opens a directory on the filesystem
DieterGraef 24:5396b6a93262 67 */
DieterGraef 24:5396b6a93262 68 virtual DirHandle *opendir(const char *name);
DieterGraef 24:5396b6a93262 69
DieterGraef 24:5396b6a93262 70 /**
DieterGraef 24:5396b6a93262 71 * Creates a directory path
DieterGraef 24:5396b6a93262 72 */
DieterGraef 24:5396b6a93262 73 virtual int mkdir(const char *name, mode_t mode);
DieterGraef 24:5396b6a93262 74
DieterGraef 24:5396b6a93262 75 /**
DieterGraef 24:5396b6a93262 76 * Mounts the filesystem
DieterGraef 24:5396b6a93262 77 */
DieterGraef 24:5396b6a93262 78 virtual int mount();
DieterGraef 24:5396b6a93262 79
DieterGraef 24:5396b6a93262 80 /**
DieterGraef 24:5396b6a93262 81 * Unmounts the filesystem
DieterGraef 24:5396b6a93262 82 */
DieterGraef 24:5396b6a93262 83 virtual int unmount();
DieterGraef 24:5396b6a93262 84
DieterGraef 24:5396b6a93262 85 virtual int disk_initialize() { return 0; }
DieterGraef 24:5396b6a93262 86 virtual int disk_status() { return 0; }
DieterGraef 24:5396b6a93262 87 virtual int disk_read(uint8_t * buffer, uint64_t sector, uint8_t count) = 0;
DieterGraef 24:5396b6a93262 88 virtual int disk_write(const uint8_t * buffer, uint64_t sector, uint8_t count) = 0;
DieterGraef 24:5396b6a93262 89 virtual int disk_sync() { return 0; }
DieterGraef 24:5396b6a93262 90 virtual uint64_t disk_sectors() = 0;
DieterGraef 24:5396b6a93262 91
DieterGraef 24:5396b6a93262 92 };
DieterGraef 24:5396b6a93262 93
DieterGraef 24:5396b6a93262 94 #endif