FFT LED Display / 4180_EditThis_copy_Demo_Test

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Dependencies:   FFT

FATFileSystem/FATFileSystem.h@0:d6c9b09b4042, 2020-12-02 (annotated)

Committer:
annieluo2
Date:
Wed Dec 02 18:02:03 2020 +0000
Revision:
0:d6c9b09b4042
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annieluo2 0:d6c9b09b4042 1 /* mbed Microcontroller Library
annieluo2 0:d6c9b09b4042 2 * Copyright (c) 2006-2012 ARM Limited
annieluo2 0:d6c9b09b4042 3 *
annieluo2 0:d6c9b09b4042 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
annieluo2 0:d6c9b09b4042 5 * of this software and associated documentation files (the "Software"), to deal
annieluo2 0:d6c9b09b4042 6 * in the Software without restriction, including without limitation the rights
annieluo2 0:d6c9b09b4042 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
annieluo2 0:d6c9b09b4042 8 * copies of the Software, and to permit persons to whom the Software is
annieluo2 0:d6c9b09b4042 9 * furnished to do so, subject to the following conditions:
annieluo2 0:d6c9b09b4042 10 *
annieluo2 0:d6c9b09b4042 11 * The above copyright notice and this permission notice shall be included in
annieluo2 0:d6c9b09b4042 12 * all copies or substantial portions of the Software.
annieluo2 0:d6c9b09b4042 13 *
annieluo2 0:d6c9b09b4042 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
annieluo2 0:d6c9b09b4042 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
annieluo2 0:d6c9b09b4042 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
annieluo2 0:d6c9b09b4042 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
annieluo2 0:d6c9b09b4042 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
annieluo2 0:d6c9b09b4042 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
annieluo2 0:d6c9b09b4042 20 * SOFTWARE.
annieluo2 0:d6c9b09b4042 21 */
annieluo2 0:d6c9b09b4042 22 #ifndef MBED_FATFILESYSTEM_H
annieluo2 0:d6c9b09b4042 23 #define MBED_FATFILESYSTEM_H
annieluo2 0:d6c9b09b4042 24
annieluo2 0:d6c9b09b4042 25 #include "FileSystemLike.h"
annieluo2 0:d6c9b09b4042 26 #include "FileHandle.h"
annieluo2 0:d6c9b09b4042 27 #include "ff.h"
annieluo2 0:d6c9b09b4042 28 #include <stdint.h>
annieluo2 0:d6c9b09b4042 29
annieluo2 0:d6c9b09b4042 30 using namespace mbed;
annieluo2 0:d6c9b09b4042 31
annieluo2 0:d6c9b09b4042 32 /**
annieluo2 0:d6c9b09b4042 33 * FATFileSystem based on ChaN's Fat Filesystem library v0.8
annieluo2 0:d6c9b09b4042 34 */
annieluo2 0:d6c9b09b4042 35 class FATFileSystem : public FileSystemLike {
annieluo2 0:d6c9b09b4042 36 public:
annieluo2 0:d6c9b09b4042 37
annieluo2 0:d6c9b09b4042 38 FATFileSystem(const char* n);
annieluo2 0:d6c9b09b4042 39 virtual ~FATFileSystem();
annieluo2 0:d6c9b09b4042 40
annieluo2 0:d6c9b09b4042 41 static FATFileSystem * _ffs[_VOLUMES]; // FATFileSystem objects, as parallel to FatFs drives array
annieluo2 0:d6c9b09b4042 42 FATFS _fs; // Work area (file system object) for logical drive
annieluo2 0:d6c9b09b4042 43 char _fsid[2];
annieluo2 0:d6c9b09b4042 44
annieluo2 0:d6c9b09b4042 45 /**
annieluo2 0:d6c9b09b4042 46 * Opens a file on the filesystem
annieluo2 0:d6c9b09b4042 47 */
annieluo2 0:d6c9b09b4042 48 virtual FileHandle *open(const char* name, int flags);
annieluo2 0:d6c9b09b4042 49 virtual int open(FileHandle **file, const char *name, int flags);
annieluo2 0:d6c9b09b4042 50
annieluo2 0:d6c9b09b4042 51 /**
annieluo2 0:d6c9b09b4042 52 * Removes a file path
annieluo2 0:d6c9b09b4042 53 */
annieluo2 0:d6c9b09b4042 54 virtual int remove(const char *filename);
annieluo2 0:d6c9b09b4042 55
annieluo2 0:d6c9b09b4042 56 /**
annieluo2 0:d6c9b09b4042 57 * Renames a file
annieluo2 0:d6c9b09b4042 58 */
annieluo2 0:d6c9b09b4042 59 virtual int rename(const char *oldname, const char *newname);
annieluo2 0:d6c9b09b4042 60
annieluo2 0:d6c9b09b4042 61 /**
annieluo2 0:d6c9b09b4042 62 * Formats a logical drive, FDISK artitioning rule, 512 bytes per cluster
annieluo2 0:d6c9b09b4042 63 */
annieluo2 0:d6c9b09b4042 64 virtual int format();
annieluo2 0:d6c9b09b4042 65
annieluo2 0:d6c9b09b4042 66 /**
annieluo2 0:d6c9b09b4042 67 * Opens a directory on the filesystem
annieluo2 0:d6c9b09b4042 68 */
annieluo2 0:d6c9b09b4042 69 virtual DirHandle *opendir(const char *name);
annieluo2 0:d6c9b09b4042 70 virtual int open(DirHandle **dir, const char *name);
annieluo2 0:d6c9b09b4042 71
annieluo2 0:d6c9b09b4042 72 /**
annieluo2 0:d6c9b09b4042 73 * Creates a directory path
annieluo2 0:d6c9b09b4042 74 */
annieluo2 0:d6c9b09b4042 75 virtual int mkdir(const char *name, mode_t mode);
annieluo2 0:d6c9b09b4042 76
annieluo2 0:d6c9b09b4042 77 /**
annieluo2 0:d6c9b09b4042 78 * Mounts the filesystem
annieluo2 0:d6c9b09b4042 79 */
annieluo2 0:d6c9b09b4042 80 virtual int mount();
annieluo2 0:d6c9b09b4042 81
annieluo2 0:d6c9b09b4042 82 /**
annieluo2 0:d6c9b09b4042 83 * Unmounts the filesystem
annieluo2 0:d6c9b09b4042 84 */
annieluo2 0:d6c9b09b4042 85 virtual int unmount();
annieluo2 0:d6c9b09b4042 86
annieluo2 0:d6c9b09b4042 87 virtual int disk_initialize() { return 0; }
annieluo2 0:d6c9b09b4042 88 virtual int disk_status() { return 0; }
annieluo2 0:d6c9b09b4042 89 virtual int disk_read(uint8_t *buffer, uint32_t sector, uint32_t count) = 0;
annieluo2 0:d6c9b09b4042 90 virtual int disk_write(const uint8_t *buffer, uint32_t sector, uint32_t count) = 0;
annieluo2 0:d6c9b09b4042 91 virtual int disk_sync() { return 0; }
annieluo2 0:d6c9b09b4042 92 virtual uint32_t disk_sectors() = 0;
annieluo2 0:d6c9b09b4042 93
annieluo2 0:d6c9b09b4042 94 };
annieluo2 0:d6c9b09b4042 95
annieluo2 0:d6c9b09b4042 96 #endif