FFT LED Display / 4180_EditThis_copy_Demo_Test

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Dependencies:   FFT

FATFileSystem/FATDirHandle.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_FATDIRHANDLE_H
annieluo2 0:d6c9b09b4042 23 #define MBED_FATDIRHANDLE_H
annieluo2 0:d6c9b09b4042 24
annieluo2 0:d6c9b09b4042 25 #include "DirHandle.h"
annieluo2 0:d6c9b09b4042 26
annieluo2 0:d6c9b09b4042 27 using namespace mbed;
annieluo2 0:d6c9b09b4042 28
annieluo2 0:d6c9b09b4042 29 class FATDirHandle : public DirHandle {
annieluo2 0:d6c9b09b4042 30
annieluo2 0:d6c9b09b4042 31 public:
annieluo2 0:d6c9b09b4042 32 FATDirHandle(const FATFS_DIR &the_dir);
annieluo2 0:d6c9b09b4042 33 virtual int closedir();
annieluo2 0:d6c9b09b4042 34 virtual struct dirent *readdir();
annieluo2 0:d6c9b09b4042 35 virtual void rewinddir();
annieluo2 0:d6c9b09b4042 36 virtual off_t telldir();
annieluo2 0:d6c9b09b4042 37 virtual void seekdir(off_t location);
annieluo2 0:d6c9b09b4042 38
annieluo2 0:d6c9b09b4042 39 virtual ssize_t read(struct dirent *ent);
annieluo2 0:d6c9b09b4042 40 virtual int close() { return closedir(); };
annieluo2 0:d6c9b09b4042 41 virtual void seek(off_t offset) { seekdir(offset); };
annieluo2 0:d6c9b09b4042 42 virtual off_t tell() { return telldir(); };
annieluo2 0:d6c9b09b4042 43 virtual void rewind() { rewinddir(); };
annieluo2 0:d6c9b09b4042 44
annieluo2 0:d6c9b09b4042 45 private:
annieluo2 0:d6c9b09b4042 46 FATFS_DIR dir;
annieluo2 0:d6c9b09b4042 47 struct dirent cur_entry;
annieluo2 0:d6c9b09b4042 48
annieluo2 0:d6c9b09b4042 49 };
annieluo2 0:d6c9b09b4042 50
annieluo2 0:d6c9b09b4042 51 #endif