不韋 呂 / F746_SD_Player_Demo

Demo program for library named SD_PlayerSkeleton of SD card player skeleton. SD カードプレーヤのための骨組みとして使うためのライブラリ SD_PlayerSkeleton の使用例．このプログラムについては，CQ出版社インターフェース誌 2018年7月号で解説している．

Dependencies:   F746_GUI F746_SAI_IO SD_PlayerSkeleton

mbed_src_STM32F7/api/FileSystemLike.h@19:3c3833ec00d2, 2017-04-09 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Apr 09 12:44:17 2017 +0000
Revision:
19:3c3833ec00d2
Parent:
2:cf42e62a97dc 
20

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 2:cf42e62a97dc 1 /* mbed Microcontroller Library
MikamiUitOpen 2:cf42e62a97dc 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 2:cf42e62a97dc 3 *
MikamiUitOpen 2:cf42e62a97dc 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 2:cf42e62a97dc 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 2:cf42e62a97dc 6 * You may obtain a copy of the License at
MikamiUitOpen 2:cf42e62a97dc 7 *
MikamiUitOpen 2:cf42e62a97dc 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 2:cf42e62a97dc 9 *
MikamiUitOpen 2:cf42e62a97dc 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 2:cf42e62a97dc 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 2:cf42e62a97dc 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 2:cf42e62a97dc 13 * See the License for the specific language governing permissions and
MikamiUitOpen 2:cf42e62a97dc 14 * limitations under the License.
MikamiUitOpen 2:cf42e62a97dc 15 */
MikamiUitOpen 2:cf42e62a97dc 16 #ifndef MBED_FILESYSTEMLIKE_H
MikamiUitOpen 2:cf42e62a97dc 17 #define MBED_FILESYSTEMLIKE_H
MikamiUitOpen 2:cf42e62a97dc 18
MikamiUitOpen 2:cf42e62a97dc 19 #include "platform.h"
MikamiUitOpen 2:cf42e62a97dc 20
MikamiUitOpen 2:cf42e62a97dc 21 #include "FileBase.h"
MikamiUitOpen 2:cf42e62a97dc 22 #include "FileHandle.h"
MikamiUitOpen 2:cf42e62a97dc 23 #include "DirHandle.h"
MikamiUitOpen 2:cf42e62a97dc 24
MikamiUitOpen 2:cf42e62a97dc 25 namespace mbed {
MikamiUitOpen 2:cf42e62a97dc 26
MikamiUitOpen 2:cf42e62a97dc 27 /** A filesystem-like object is one that can be used to open files
MikamiUitOpen 2:cf42e62a97dc 28 * though it by fopen("/name/filename", mode)
MikamiUitOpen 2:cf42e62a97dc 29 *
MikamiUitOpen 2:cf42e62a97dc 30 * Implementations must define at least open (the default definitions
MikamiUitOpen 2:cf42e62a97dc 31 * of the rest of the functions just return error values).
MikamiUitOpen 2:cf42e62a97dc 32 */
MikamiUitOpen 2:cf42e62a97dc 33 class FileSystemLike : public FileBase {
MikamiUitOpen 2:cf42e62a97dc 34
MikamiUitOpen 2:cf42e62a97dc 35 public:
MikamiUitOpen 2:cf42e62a97dc 36 /** FileSystemLike constructor
MikamiUitOpen 2:cf42e62a97dc 37 *
MikamiUitOpen 2:cf42e62a97dc 38 * @param name The name to use for the filesystem.
MikamiUitOpen 2:cf42e62a97dc 39 */
MikamiUitOpen 2:cf42e62a97dc 40 FileSystemLike(const char *name);
MikamiUitOpen 2:cf42e62a97dc 41
MikamiUitOpen 2:cf42e62a97dc 42 virtual ~FileSystemLike();
MikamiUitOpen 2:cf42e62a97dc 43
MikamiUitOpen 2:cf42e62a97dc 44 static DirHandle *opendir();
MikamiUitOpen 2:cf42e62a97dc 45 friend class BaseDirHandle;
MikamiUitOpen 2:cf42e62a97dc 46
MikamiUitOpen 2:cf42e62a97dc 47 /** Opens a file from the filesystem
MikamiUitOpen 2:cf42e62a97dc 48 *
MikamiUitOpen 2:cf42e62a97dc 49 * @param filename The name of the file to open.
MikamiUitOpen 2:cf42e62a97dc 50 * @param flags One of O_RDONLY, O_WRONLY, or O_RDWR, OR'd with
MikamiUitOpen 2:cf42e62a97dc 51 * zero or more of O_CREAT, O_TRUNC, or O_APPEND.
MikamiUitOpen 2:cf42e62a97dc 52 *
MikamiUitOpen 2:cf42e62a97dc 53 * @returns
MikamiUitOpen 2:cf42e62a97dc 54 * A pointer to a FileHandle object representing the
MikamiUitOpen 2:cf42e62a97dc 55 * file on success, or NULL on failure.
MikamiUitOpen 2:cf42e62a97dc 56 */
MikamiUitOpen 2:cf42e62a97dc 57 virtual FileHandle *open(const char *filename, int flags) = 0;
MikamiUitOpen 2:cf42e62a97dc 58
MikamiUitOpen 2:cf42e62a97dc 59 /** Remove a file from the filesystem.
MikamiUitOpen 2:cf42e62a97dc 60 *
MikamiUitOpen 2:cf42e62a97dc 61 * @param filename the name of the file to remove.
MikamiUitOpen 2:cf42e62a97dc 62 * @param returns 0 on success, -1 on failure.
MikamiUitOpen 2:cf42e62a97dc 63 */
MikamiUitOpen 2:cf42e62a97dc 64 virtual int remove(const char *filename) { return -1; };
MikamiUitOpen 2:cf42e62a97dc 65
MikamiUitOpen 2:cf42e62a97dc 66 /** Rename a file in the filesystem.
MikamiUitOpen 2:cf42e62a97dc 67 *
MikamiUitOpen 2:cf42e62a97dc 68 * @param oldname the name of the file to rename.
MikamiUitOpen 2:cf42e62a97dc 69 * @param newname the name to rename it to.
MikamiUitOpen 2:cf42e62a97dc 70 *
MikamiUitOpen 2:cf42e62a97dc 71 * @returns
MikamiUitOpen 2:cf42e62a97dc 72 * 0 on success,
MikamiUitOpen 2:cf42e62a97dc 73 * -1 on failure.
MikamiUitOpen 2:cf42e62a97dc 74 */
MikamiUitOpen 2:cf42e62a97dc 75 virtual int rename(const char *oldname, const char *newname) { return -1; };
MikamiUitOpen 2:cf42e62a97dc 76
MikamiUitOpen 2:cf42e62a97dc 77 /** Opens a directory in the filesystem and returns a DirHandle
MikamiUitOpen 2:cf42e62a97dc 78 * representing the directory stream.
MikamiUitOpen 2:cf42e62a97dc 79 *
MikamiUitOpen 2:cf42e62a97dc 80 * @param name The name of the directory to open.
MikamiUitOpen 2:cf42e62a97dc 81 *
MikamiUitOpen 2:cf42e62a97dc 82 * @returns
MikamiUitOpen 2:cf42e62a97dc 83 * A DirHandle representing the directory stream, or
MikamiUitOpen 2:cf42e62a97dc 84 * NULL on failure.
MikamiUitOpen 2:cf42e62a97dc 85 */
MikamiUitOpen 2:cf42e62a97dc 86 virtual DirHandle *opendir(const char *name) { return NULL; };
MikamiUitOpen 2:cf42e62a97dc 87
MikamiUitOpen 2:cf42e62a97dc 88 /** Creates a directory in the filesystem.
MikamiUitOpen 2:cf42e62a97dc 89 *
MikamiUitOpen 2:cf42e62a97dc 90 * @param name The name of the directory to create.
MikamiUitOpen 2:cf42e62a97dc 91 * @param mode The permissions to create the directory with.
MikamiUitOpen 2:cf42e62a97dc 92 *
MikamiUitOpen 2:cf42e62a97dc 93 * @returns
MikamiUitOpen 2:cf42e62a97dc 94 * 0 on success,
MikamiUitOpen 2:cf42e62a97dc 95 * -1 on failure.
MikamiUitOpen 2:cf42e62a97dc 96 */
MikamiUitOpen 2:cf42e62a97dc 97 virtual int mkdir(const char *name, mode_t mode) { return -1; }
MikamiUitOpen 2:cf42e62a97dc 98
MikamiUitOpen 2:cf42e62a97dc 99 // TODO other filesystem functions (mkdir, rm, rn, ls etc)
MikamiUitOpen 2:cf42e62a97dc 100 };
MikamiUitOpen 2:cf42e62a97dc 101
MikamiUitOpen 2:cf42e62a97dc 102 } // namespace mbed
MikamiUitOpen 2:cf42e62a97dc 103
MikamiUitOpen 2:cf42e62a97dc 104 #endif