不韋 呂 / F746_MySoundMachine

Integrated program of 4 different kinds of application programs for processing sound signal. 4種類のサウンド信号処理を統合したプログラム．

Dependencies:   F746_GUI F746_SAI_IO FrequencyResponseDrawer SD_PlayerSkeleton UIT_FFT_Real

mbed_src_STM/api/FileSystemLike.h@0:224dccbc4edd, 2016-08-15 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Aug 15 07:18:07 2016 +0000
Revision:
0:224dccbc4edd
1

Who changed what in which revision?

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MikamiUitOpen 0:224dccbc4edd 1 /* mbed Microcontroller Library
MikamiUitOpen 0:224dccbc4edd 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 0:224dccbc4edd 3 *
MikamiUitOpen 0:224dccbc4edd 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 0:224dccbc4edd 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 0:224dccbc4edd 6 * You may obtain a copy of the License at
MikamiUitOpen 0:224dccbc4edd 7 *
MikamiUitOpen 0:224dccbc4edd 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 0:224dccbc4edd 9 *
MikamiUitOpen 0:224dccbc4edd 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 0:224dccbc4edd 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 0:224dccbc4edd 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 0:224dccbc4edd 13 * See the License for the specific language governing permissions and
MikamiUitOpen 0:224dccbc4edd 14 * limitations under the License.
MikamiUitOpen 0:224dccbc4edd 15 */
MikamiUitOpen 0:224dccbc4edd 16 #ifndef MBED_FILESYSTEMLIKE_H
MikamiUitOpen 0:224dccbc4edd 17 #define MBED_FILESYSTEMLIKE_H
MikamiUitOpen 0:224dccbc4edd 18
MikamiUitOpen 0:224dccbc4edd 19 #include "platform.h"
MikamiUitOpen 0:224dccbc4edd 20
MikamiUitOpen 0:224dccbc4edd 21 #include "FileBase.h"
MikamiUitOpen 0:224dccbc4edd 22 #include "FileHandle.h"
MikamiUitOpen 0:224dccbc4edd 23 #include "DirHandle.h"
MikamiUitOpen 0:224dccbc4edd 24
MikamiUitOpen 0:224dccbc4edd 25 namespace mbed {
MikamiUitOpen 0:224dccbc4edd 26
MikamiUitOpen 0:224dccbc4edd 27 /** A filesystem-like object is one that can be used to open files
MikamiUitOpen 0:224dccbc4edd 28 * though it by fopen("/name/filename", mode)
MikamiUitOpen 0:224dccbc4edd 29 *
MikamiUitOpen 0:224dccbc4edd 30 * Implementations must define at least open (the default definitions
MikamiUitOpen 0:224dccbc4edd 31 * of the rest of the functions just return error values).
MikamiUitOpen 0:224dccbc4edd 32 */
MikamiUitOpen 0:224dccbc4edd 33 class FileSystemLike : public FileBase {
MikamiUitOpen 0:224dccbc4edd 34
MikamiUitOpen 0:224dccbc4edd 35 public:
MikamiUitOpen 0:224dccbc4edd 36 /** FileSystemLike constructor
MikamiUitOpen 0:224dccbc4edd 37 *
MikamiUitOpen 0:224dccbc4edd 38 * @param name The name to use for the filesystem.
MikamiUitOpen 0:224dccbc4edd 39 */
MikamiUitOpen 0:224dccbc4edd 40 FileSystemLike(const char *name);
MikamiUitOpen 0:224dccbc4edd 41
MikamiUitOpen 0:224dccbc4edd 42 virtual ~FileSystemLike();
MikamiUitOpen 0:224dccbc4edd 43
MikamiUitOpen 0:224dccbc4edd 44 static DirHandle *opendir();
MikamiUitOpen 0:224dccbc4edd 45 friend class BaseDirHandle;
MikamiUitOpen 0:224dccbc4edd 46
MikamiUitOpen 0:224dccbc4edd 47 /** Opens a file from the filesystem
MikamiUitOpen 0:224dccbc4edd 48 *
MikamiUitOpen 0:224dccbc4edd 49 * @param filename The name of the file to open.
MikamiUitOpen 0:224dccbc4edd 50 * @param flags One of O_RDONLY, O_WRONLY, or O_RDWR, OR'd with
MikamiUitOpen 0:224dccbc4edd 51 * zero or more of O_CREAT, O_TRUNC, or O_APPEND.
MikamiUitOpen 0:224dccbc4edd 52 *
MikamiUitOpen 0:224dccbc4edd 53 * @returns
MikamiUitOpen 0:224dccbc4edd 54 * A pointer to a FileHandle object representing the
MikamiUitOpen 0:224dccbc4edd 55 * file on success, or NULL on failure.
MikamiUitOpen 0:224dccbc4edd 56 */
MikamiUitOpen 0:224dccbc4edd 57 virtual FileHandle *open(const char *filename, int flags) = 0;
MikamiUitOpen 0:224dccbc4edd 58
MikamiUitOpen 0:224dccbc4edd 59 /** Remove a file from the filesystem.
MikamiUitOpen 0:224dccbc4edd 60 *
MikamiUitOpen 0:224dccbc4edd 61 * @param filename the name of the file to remove.
MikamiUitOpen 0:224dccbc4edd 62 * @param returns 0 on success, -1 on failure.
MikamiUitOpen 0:224dccbc4edd 63 */
MikamiUitOpen 0:224dccbc4edd 64 virtual int remove(const char *filename) { return -1; };
MikamiUitOpen 0:224dccbc4edd 65
MikamiUitOpen 0:224dccbc4edd 66 /** Rename a file in the filesystem.
MikamiUitOpen 0:224dccbc4edd 67 *
MikamiUitOpen 0:224dccbc4edd 68 * @param oldname the name of the file to rename.
MikamiUitOpen 0:224dccbc4edd 69 * @param newname the name to rename it to.
MikamiUitOpen 0:224dccbc4edd 70 *
MikamiUitOpen 0:224dccbc4edd 71 * @returns
MikamiUitOpen 0:224dccbc4edd 72 * 0 on success,
MikamiUitOpen 0:224dccbc4edd 73 * -1 on failure.
MikamiUitOpen 0:224dccbc4edd 74 */
MikamiUitOpen 0:224dccbc4edd 75 virtual int rename(const char *oldname, const char *newname) { return -1; };
MikamiUitOpen 0:224dccbc4edd 76
MikamiUitOpen 0:224dccbc4edd 77 /** Opens a directory in the filesystem and returns a DirHandle
MikamiUitOpen 0:224dccbc4edd 78 * representing the directory stream.
MikamiUitOpen 0:224dccbc4edd 79 *
MikamiUitOpen 0:224dccbc4edd 80 * @param name The name of the directory to open.
MikamiUitOpen 0:224dccbc4edd 81 *
MikamiUitOpen 0:224dccbc4edd 82 * @returns
MikamiUitOpen 0:224dccbc4edd 83 * A DirHandle representing the directory stream, or
MikamiUitOpen 0:224dccbc4edd 84 * NULL on failure.
MikamiUitOpen 0:224dccbc4edd 85 */
MikamiUitOpen 0:224dccbc4edd 86 virtual DirHandle *opendir(const char *name) { return NULL; };
MikamiUitOpen 0:224dccbc4edd 87
MikamiUitOpen 0:224dccbc4edd 88 /** Creates a directory in the filesystem.
MikamiUitOpen 0:224dccbc4edd 89 *
MikamiUitOpen 0:224dccbc4edd 90 * @param name The name of the directory to create.
MikamiUitOpen 0:224dccbc4edd 91 * @param mode The permissions to create the directory with.
MikamiUitOpen 0:224dccbc4edd 92 *
MikamiUitOpen 0:224dccbc4edd 93 * @returns
MikamiUitOpen 0:224dccbc4edd 94 * 0 on success,
MikamiUitOpen 0:224dccbc4edd 95 * -1 on failure.
MikamiUitOpen 0:224dccbc4edd 96 */
MikamiUitOpen 0:224dccbc4edd 97 virtual int mkdir(const char *name, mode_t mode) { return -1; }
MikamiUitOpen 0:224dccbc4edd 98
MikamiUitOpen 0:224dccbc4edd 99 // TODO other filesystem functions (mkdir, rm, rn, ls etc)
MikamiUitOpen 0:224dccbc4edd 100 };
MikamiUitOpen 0:224dccbc4edd 101
MikamiUitOpen 0:224dccbc4edd 102 } // namespace mbed
MikamiUitOpen 0:224dccbc4edd 103
MikamiUitOpen 0:224dccbc4edd 104 #endif