Kotachi Liu / SDFileSystem

SD card data log

Dependents:   riset_Datalogger

FATFileSystem/FATFileSystem.h@0:18d80d7403d3, 2019-11-03 (annotated)

Committer:
kotachi
Date:
Sun Nov 03 07:28:09 2019 +0000
Revision:
0:18d80d7403d3
SD card logging system

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kotachi 0:18d80d7403d3 1 /* mbed Microcontroller Library
kotachi 0:18d80d7403d3 2 * Copyright (c) 2006-2012 ARM Limited
kotachi 0:18d80d7403d3 3 *
kotachi 0:18d80d7403d3 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
kotachi 0:18d80d7403d3 5 * of this software and associated documentation files (the "Software"), to deal
kotachi 0:18d80d7403d3 6 * in the Software without restriction, including without limitation the rights
kotachi 0:18d80d7403d3 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
kotachi 0:18d80d7403d3 8 * copies of the Software, and to permit persons to whom the Software is
kotachi 0:18d80d7403d3 9 * furnished to do so, subject to the following conditions:
kotachi 0:18d80d7403d3 10 *
kotachi 0:18d80d7403d3 11 * The above copyright notice and this permission notice shall be included in
kotachi 0:18d80d7403d3 12 * all copies or substantial portions of the Software.
kotachi 0:18d80d7403d3 13 *
kotachi 0:18d80d7403d3 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
kotachi 0:18d80d7403d3 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
kotachi 0:18d80d7403d3 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
kotachi 0:18d80d7403d3 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
kotachi 0:18d80d7403d3 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
kotachi 0:18d80d7403d3 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
kotachi 0:18d80d7403d3 20 * SOFTWARE.
kotachi 0:18d80d7403d3 21 */
kotachi 0:18d80d7403d3 22 #ifndef MBED_FATFILESYSTEM_H
kotachi 0:18d80d7403d3 23 #define MBED_FATFILESYSTEM_H
kotachi 0:18d80d7403d3 24
kotachi 0:18d80d7403d3 25 #include "FileSystemLike.h"
kotachi 0:18d80d7403d3 26 #include "FileHandle.h"
kotachi 0:18d80d7403d3 27 #include "ff.h"
kotachi 0:18d80d7403d3 28 #include <stdint.h>
kotachi 0:18d80d7403d3 29
kotachi 0:18d80d7403d3 30 using namespace mbed;
kotachi 0:18d80d7403d3 31
kotachi 0:18d80d7403d3 32 /**
kotachi 0:18d80d7403d3 33 * FATFileSystem based on ChaN's Fat Filesystem library v0.8
kotachi 0:18d80d7403d3 34 */
kotachi 0:18d80d7403d3 35 class FATFileSystem : public FileSystemLike {
kotachi 0:18d80d7403d3 36 public:
kotachi 0:18d80d7403d3 37
kotachi 0:18d80d7403d3 38 FATFileSystem(const char* n);
kotachi 0:18d80d7403d3 39 virtual ~FATFileSystem();
kotachi 0:18d80d7403d3 40
kotachi 0:18d80d7403d3 41 static FATFileSystem * _ffs[_VOLUMES]; // FATFileSystem objects, as parallel to FatFs drives array
kotachi 0:18d80d7403d3 42 FATFS _fs; // Work area (file system object) for logical drive
kotachi 0:18d80d7403d3 43 char _fsid[2];
kotachi 0:18d80d7403d3 44
kotachi 0:18d80d7403d3 45 /**
kotachi 0:18d80d7403d3 46 * Opens a file on the filesystem
kotachi 0:18d80d7403d3 47 */
kotachi 0:18d80d7403d3 48 virtual FileHandle *open(const char* name, int flags);
kotachi 0:18d80d7403d3 49 virtual int open(FileHandle **file, const char *name, int flags);
kotachi 0:18d80d7403d3 50
kotachi 0:18d80d7403d3 51 /**
kotachi 0:18d80d7403d3 52 * Removes a file path
kotachi 0:18d80d7403d3 53 */
kotachi 0:18d80d7403d3 54 virtual int remove(const char *filename);
kotachi 0:18d80d7403d3 55
kotachi 0:18d80d7403d3 56 /**
kotachi 0:18d80d7403d3 57 * Renames a file
kotachi 0:18d80d7403d3 58 */
kotachi 0:18d80d7403d3 59 virtual int rename(const char *oldname, const char *newname);
kotachi 0:18d80d7403d3 60
kotachi 0:18d80d7403d3 61 /**
kotachi 0:18d80d7403d3 62 * Formats a logical drive, FDISK artitioning rule, 512 bytes per cluster
kotachi 0:18d80d7403d3 63 */
kotachi 0:18d80d7403d3 64 virtual int format();
kotachi 0:18d80d7403d3 65
kotachi 0:18d80d7403d3 66 /**
kotachi 0:18d80d7403d3 67 * Opens a directory on the filesystem
kotachi 0:18d80d7403d3 68 */
kotachi 0:18d80d7403d3 69 virtual DirHandle *opendir(const char *name);
kotachi 0:18d80d7403d3 70 virtual int open(DirHandle **dir, const char *name);
kotachi 0:18d80d7403d3 71
kotachi 0:18d80d7403d3 72 /**
kotachi 0:18d80d7403d3 73 * Creates a directory path
kotachi 0:18d80d7403d3 74 */
kotachi 0:18d80d7403d3 75 virtual int mkdir(const char *name, mode_t mode);
kotachi 0:18d80d7403d3 76
kotachi 0:18d80d7403d3 77 /**
kotachi 0:18d80d7403d3 78 * Mounts the filesystem
kotachi 0:18d80d7403d3 79 */
kotachi 0:18d80d7403d3 80 virtual int mount();
kotachi 0:18d80d7403d3 81
kotachi 0:18d80d7403d3 82 /**
kotachi 0:18d80d7403d3 83 * Unmounts the filesystem
kotachi 0:18d80d7403d3 84 */
kotachi 0:18d80d7403d3 85 virtual int unmount();
kotachi 0:18d80d7403d3 86
kotachi 0:18d80d7403d3 87 virtual int disk_initialize() { return 0; }
kotachi 0:18d80d7403d3 88 virtual int disk_status() { return 0; }
kotachi 0:18d80d7403d3 89 virtual int disk_read(uint8_t *buffer, uint32_t sector, uint32_t count) = 0;
kotachi 0:18d80d7403d3 90 virtual int disk_write(const uint8_t *buffer, uint32_t sector, uint32_t count) = 0;
kotachi 0:18d80d7403d3 91 virtual int disk_sync() { return 0; }
kotachi 0:18d80d7403d3 92 virtual uint32_t disk_sectors() = 0;
kotachi 0:18d80d7403d3 93
kotachi 0:18d80d7403d3 94 };
kotachi 0:18d80d7403d3 95
kotachi 0:18d80d7403d3 96 #endif