SDFileSystem/LocalFileSystem等の不具合や機種依存性を少なくしたライブラリ。 MiMic用
Dependents: HttpClientSamlpe AsyncHttpdSample MbedFileServer TcpSocketClientSamlpe ... more
Fork of NySDFileSystem by
FATFileSystem/FATFileHandle.cpp@11:509d2ac0ba4f, 2014-07-11 (annotated)
- Committer:
- nyatla
- Date:
- Fri Jul 11 01:16:56 2014 +0000
- Revision:
- 11:509d2ac0ba4f
- Parent:
- 8:22ce3449b224
FATFS?TINY??????1???
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
nyatla | 5:2c7b6bd5b079 | 1 | /* mbed Microcontroller Library |
nyatla | 5:2c7b6bd5b079 | 2 | * Copyright (c) 2006-2012 ARM Limited |
nyatla | 5:2c7b6bd5b079 | 3 | * |
nyatla | 5:2c7b6bd5b079 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
nyatla | 5:2c7b6bd5b079 | 5 | * of this software and associated documentation files (the "Software"), to deal |
nyatla | 5:2c7b6bd5b079 | 6 | * in the Software without restriction, including without limitation the rights |
nyatla | 5:2c7b6bd5b079 | 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
nyatla | 5:2c7b6bd5b079 | 8 | * copies of the Software, and to permit persons to whom the Software is |
nyatla | 5:2c7b6bd5b079 | 9 | * furnished to do so, subject to the following conditions: |
nyatla | 5:2c7b6bd5b079 | 10 | * |
nyatla | 5:2c7b6bd5b079 | 11 | * The above copyright notice and this permission notice shall be included in |
nyatla | 5:2c7b6bd5b079 | 12 | * all copies or substantial portions of the Software. |
nyatla | 5:2c7b6bd5b079 | 13 | * |
nyatla | 5:2c7b6bd5b079 | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
nyatla | 5:2c7b6bd5b079 | 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
nyatla | 5:2c7b6bd5b079 | 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
nyatla | 5:2c7b6bd5b079 | 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
nyatla | 5:2c7b6bd5b079 | 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
nyatla | 5:2c7b6bd5b079 | 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
nyatla | 5:2c7b6bd5b079 | 20 | * SOFTWARE. |
nyatla | 5:2c7b6bd5b079 | 21 | */ |
nyatla | 5:2c7b6bd5b079 | 22 | #include "ff.h" |
nyatla | 5:2c7b6bd5b079 | 23 | #include "ffconf.h" |
nyatla | 5:2c7b6bd5b079 | 24 | |
nyatla | 5:2c7b6bd5b079 | 25 | #include "FATFileHandle.h" |
nyatla | 5:2c7b6bd5b079 | 26 | |
nyatla | 8:22ce3449b224 | 27 | |
nyatla | 7:5429e81addde | 28 | |
nyatla | 5:2c7b6bd5b079 | 29 | FATFileHandle::FATFileHandle(FIL fh) { |
nyatla | 5:2c7b6bd5b079 | 30 | _fh = fh; |
nyatla | 5:2c7b6bd5b079 | 31 | } |
nyatla | 5:2c7b6bd5b079 | 32 | |
nyatla | 5:2c7b6bd5b079 | 33 | int FATFileHandle::close() { |
nyatla | 5:2c7b6bd5b079 | 34 | int retval = f_close(&_fh); |
nyatla | 5:2c7b6bd5b079 | 35 | delete this; |
nyatla | 5:2c7b6bd5b079 | 36 | return retval; |
nyatla | 5:2c7b6bd5b079 | 37 | } |
nyatla | 5:2c7b6bd5b079 | 38 | |
nyatla | 5:2c7b6bd5b079 | 39 | ssize_t FATFileHandle::write(const void* buffer, size_t length) { |
nyatla | 5:2c7b6bd5b079 | 40 | UINT n; |
nyatla | 5:2c7b6bd5b079 | 41 | FRESULT res = f_write(&_fh, buffer, length, &n); |
nyatla | 5:2c7b6bd5b079 | 42 | if (res) { |
nyatla | 5:2c7b6bd5b079 | 43 | return -1; |
nyatla | 5:2c7b6bd5b079 | 44 | } |
nyatla | 5:2c7b6bd5b079 | 45 | return n; |
nyatla | 5:2c7b6bd5b079 | 46 | } |
nyatla | 5:2c7b6bd5b079 | 47 | |
nyatla | 5:2c7b6bd5b079 | 48 | ssize_t FATFileHandle::read(void* buffer, size_t length) { |
nyatla | 5:2c7b6bd5b079 | 49 | UINT n; |
nyatla | 5:2c7b6bd5b079 | 50 | FRESULT res = f_read(&_fh, buffer, length, &n); |
nyatla | 5:2c7b6bd5b079 | 51 | if (res) { |
nyatla | 5:2c7b6bd5b079 | 52 | return -1; |
nyatla | 5:2c7b6bd5b079 | 53 | } |
nyatla | 5:2c7b6bd5b079 | 54 | return n; |
nyatla | 5:2c7b6bd5b079 | 55 | } |
nyatla | 5:2c7b6bd5b079 | 56 | |
nyatla | 5:2c7b6bd5b079 | 57 | int FATFileHandle::isatty() { |
nyatla | 5:2c7b6bd5b079 | 58 | return 0; |
nyatla | 5:2c7b6bd5b079 | 59 | } |
nyatla | 5:2c7b6bd5b079 | 60 | |
nyatla | 5:2c7b6bd5b079 | 61 | off_t FATFileHandle::lseek(off_t position, int whence) { |
nyatla | 5:2c7b6bd5b079 | 62 | if (whence == SEEK_END) { |
nyatla | 5:2c7b6bd5b079 | 63 | position += _fh.fsize; |
nyatla | 5:2c7b6bd5b079 | 64 | } else if(whence==SEEK_CUR) { |
nyatla | 5:2c7b6bd5b079 | 65 | position += _fh.fptr; |
nyatla | 5:2c7b6bd5b079 | 66 | } |
nyatla | 5:2c7b6bd5b079 | 67 | FRESULT res = f_lseek(&_fh, position); |
nyatla | 5:2c7b6bd5b079 | 68 | if (res) { |
nyatla | 5:2c7b6bd5b079 | 69 | return -1; |
nyatla | 5:2c7b6bd5b079 | 70 | } else { |
nyatla | 5:2c7b6bd5b079 | 71 | return _fh.fptr; |
nyatla | 5:2c7b6bd5b079 | 72 | } |
nyatla | 5:2c7b6bd5b079 | 73 | } |
nyatla | 5:2c7b6bd5b079 | 74 | |
nyatla | 5:2c7b6bd5b079 | 75 | int FATFileHandle::fsync() { |
nyatla | 5:2c7b6bd5b079 | 76 | FRESULT res = f_sync(&_fh); |
nyatla | 5:2c7b6bd5b079 | 77 | if (res) { |
nyatla | 5:2c7b6bd5b079 | 78 | return -1; |
nyatla | 5:2c7b6bd5b079 | 79 | } |
nyatla | 5:2c7b6bd5b079 | 80 | return 0; |
nyatla | 5:2c7b6bd5b079 | 81 | } |
nyatla | 5:2c7b6bd5b079 | 82 | |
nyatla | 5:2c7b6bd5b079 | 83 | off_t FATFileHandle::flen() { |
nyatla | 5:2c7b6bd5b079 | 84 | return _fh.fsize; |
nyatla | 5:2c7b6bd5b079 | 85 | } |