不韋 呂 / F746_SD_GraphicEqualizer

Output the audio signal with filtering by graphic equalizer in the *.wav file on the SD card using onboard CODEC. SD カードの *.wav ファイルのオーディオ信号をグラフィック･イコライザを通して，ボードに搭載されているCODEC で出力する．

Dependencies:   F746_GUI F746_SAI_IO SD_PlayerSkeleton FrequencyResponseDrawer

mbed_src_STM32F7/api/FileSystemLike.h@16:cbb726ac20d8, 2016-10-02 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Oct 02 06:33:59 2016 +0000
Revision:
16:cbb726ac20d8
17

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 16:cbb726ac20d8 1 /* mbed Microcontroller Library
MikamiUitOpen 16:cbb726ac20d8 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 16:cbb726ac20d8 3 *
MikamiUitOpen 16:cbb726ac20d8 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 16:cbb726ac20d8 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 16:cbb726ac20d8 6 * You may obtain a copy of the License at
MikamiUitOpen 16:cbb726ac20d8 7 *
MikamiUitOpen 16:cbb726ac20d8 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 16:cbb726ac20d8 9 *
MikamiUitOpen 16:cbb726ac20d8 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 16:cbb726ac20d8 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 16:cbb726ac20d8 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 16:cbb726ac20d8 13 * See the License for the specific language governing permissions and
MikamiUitOpen 16:cbb726ac20d8 14 * limitations under the License.
MikamiUitOpen 16:cbb726ac20d8 15 */
MikamiUitOpen 16:cbb726ac20d8 16 #ifndef MBED_FILESYSTEMLIKE_H
MikamiUitOpen 16:cbb726ac20d8 17 #define MBED_FILESYSTEMLIKE_H
MikamiUitOpen 16:cbb726ac20d8 18
MikamiUitOpen 16:cbb726ac20d8 19 #include "platform.h"
MikamiUitOpen 16:cbb726ac20d8 20
MikamiUitOpen 16:cbb726ac20d8 21 #include "FileBase.h"
MikamiUitOpen 16:cbb726ac20d8 22 #include "FileHandle.h"
MikamiUitOpen 16:cbb726ac20d8 23 #include "DirHandle.h"
MikamiUitOpen 16:cbb726ac20d8 24
MikamiUitOpen 16:cbb726ac20d8 25 namespace mbed {
MikamiUitOpen 16:cbb726ac20d8 26
MikamiUitOpen 16:cbb726ac20d8 27 /** A filesystem-like object is one that can be used to open files
MikamiUitOpen 16:cbb726ac20d8 28 * though it by fopen("/name/filename", mode)
MikamiUitOpen 16:cbb726ac20d8 29 *
MikamiUitOpen 16:cbb726ac20d8 30 * Implementations must define at least open (the default definitions
MikamiUitOpen 16:cbb726ac20d8 31 * of the rest of the functions just return error values).
MikamiUitOpen 16:cbb726ac20d8 32 */
MikamiUitOpen 16:cbb726ac20d8 33 class FileSystemLike : public FileBase {
MikamiUitOpen 16:cbb726ac20d8 34
MikamiUitOpen 16:cbb726ac20d8 35 public:
MikamiUitOpen 16:cbb726ac20d8 36 /** FileSystemLike constructor
MikamiUitOpen 16:cbb726ac20d8 37 *
MikamiUitOpen 16:cbb726ac20d8 38 * @param name The name to use for the filesystem.
MikamiUitOpen 16:cbb726ac20d8 39 */
MikamiUitOpen 16:cbb726ac20d8 40 FileSystemLike(const char *name);
MikamiUitOpen 16:cbb726ac20d8 41
MikamiUitOpen 16:cbb726ac20d8 42 virtual ~FileSystemLike();
MikamiUitOpen 16:cbb726ac20d8 43
MikamiUitOpen 16:cbb726ac20d8 44 static DirHandle *opendir();
MikamiUitOpen 16:cbb726ac20d8 45 friend class BaseDirHandle;
MikamiUitOpen 16:cbb726ac20d8 46
MikamiUitOpen 16:cbb726ac20d8 47 /** Opens a file from the filesystem
MikamiUitOpen 16:cbb726ac20d8 48 *
MikamiUitOpen 16:cbb726ac20d8 49 * @param filename The name of the file to open.
MikamiUitOpen 16:cbb726ac20d8 50 * @param flags One of O_RDONLY, O_WRONLY, or O_RDWR, OR'd with
MikamiUitOpen 16:cbb726ac20d8 51 * zero or more of O_CREAT, O_TRUNC, or O_APPEND.
MikamiUitOpen 16:cbb726ac20d8 52 *
MikamiUitOpen 16:cbb726ac20d8 53 * @returns
MikamiUitOpen 16:cbb726ac20d8 54 * A pointer to a FileHandle object representing the
MikamiUitOpen 16:cbb726ac20d8 55 * file on success, or NULL on failure.
MikamiUitOpen 16:cbb726ac20d8 56 */
MikamiUitOpen 16:cbb726ac20d8 57 virtual FileHandle *open(const char *filename, int flags) = 0;
MikamiUitOpen 16:cbb726ac20d8 58
MikamiUitOpen 16:cbb726ac20d8 59 /** Remove a file from the filesystem.
MikamiUitOpen 16:cbb726ac20d8 60 *
MikamiUitOpen 16:cbb726ac20d8 61 * @param filename the name of the file to remove.
MikamiUitOpen 16:cbb726ac20d8 62 * @param returns 0 on success, -1 on failure.
MikamiUitOpen 16:cbb726ac20d8 63 */
MikamiUitOpen 16:cbb726ac20d8 64 virtual int remove(const char *filename) { return -1; };
MikamiUitOpen 16:cbb726ac20d8 65
MikamiUitOpen 16:cbb726ac20d8 66 /** Rename a file in the filesystem.
MikamiUitOpen 16:cbb726ac20d8 67 *
MikamiUitOpen 16:cbb726ac20d8 68 * @param oldname the name of the file to rename.
MikamiUitOpen 16:cbb726ac20d8 69 * @param newname the name to rename it to.
MikamiUitOpen 16:cbb726ac20d8 70 *
MikamiUitOpen 16:cbb726ac20d8 71 * @returns
MikamiUitOpen 16:cbb726ac20d8 72 * 0 on success,
MikamiUitOpen 16:cbb726ac20d8 73 * -1 on failure.
MikamiUitOpen 16:cbb726ac20d8 74 */
MikamiUitOpen 16:cbb726ac20d8 75 virtual int rename(const char *oldname, const char *newname) { return -1; };
MikamiUitOpen 16:cbb726ac20d8 76
MikamiUitOpen 16:cbb726ac20d8 77 /** Opens a directory in the filesystem and returns a DirHandle
MikamiUitOpen 16:cbb726ac20d8 78 * representing the directory stream.
MikamiUitOpen 16:cbb726ac20d8 79 *
MikamiUitOpen 16:cbb726ac20d8 80 * @param name The name of the directory to open.
MikamiUitOpen 16:cbb726ac20d8 81 *
MikamiUitOpen 16:cbb726ac20d8 82 * @returns
MikamiUitOpen 16:cbb726ac20d8 83 * A DirHandle representing the directory stream, or
MikamiUitOpen 16:cbb726ac20d8 84 * NULL on failure.
MikamiUitOpen 16:cbb726ac20d8 85 */
MikamiUitOpen 16:cbb726ac20d8 86 virtual DirHandle *opendir(const char *name) { return NULL; };
MikamiUitOpen 16:cbb726ac20d8 87
MikamiUitOpen 16:cbb726ac20d8 88 /** Creates a directory in the filesystem.
MikamiUitOpen 16:cbb726ac20d8 89 *
MikamiUitOpen 16:cbb726ac20d8 90 * @param name The name of the directory to create.
MikamiUitOpen 16:cbb726ac20d8 91 * @param mode The permissions to create the directory with.
MikamiUitOpen 16:cbb726ac20d8 92 *
MikamiUitOpen 16:cbb726ac20d8 93 * @returns
MikamiUitOpen 16:cbb726ac20d8 94 * 0 on success,
MikamiUitOpen 16:cbb726ac20d8 95 * -1 on failure.
MikamiUitOpen 16:cbb726ac20d8 96 */
MikamiUitOpen 16:cbb726ac20d8 97 virtual int mkdir(const char *name, mode_t mode) { return -1; }
MikamiUitOpen 16:cbb726ac20d8 98
MikamiUitOpen 16:cbb726ac20d8 99 // TODO other filesystem functions (mkdir, rm, rn, ls etc)
MikamiUitOpen 16:cbb726ac20d8 100 };
MikamiUitOpen 16:cbb726ac20d8 101
MikamiUitOpen 16:cbb726ac20d8 102 } // namespace mbed
MikamiUitOpen 16:cbb726ac20d8 103
MikamiUitOpen 16:cbb726ac20d8 104 #endif