1 /* mbed Microcontroller Library
2 * Copyright (c) 2006-2012 ARM Limited
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 #include "mbed_debug.h"
26 #include "FATFileHandle.h"
28 FATFileHandle::FATFileHandle(FIL fh) {
32 int FATFileHandle::close() {
33 int retval = f_close(&_fh);
38 ssize_t FATFileHandle::write(const void* buffer, size_t length) {
40 FRESULT res = f_write(&_fh, buffer, length, &n);
42 debug_if(FFS_DBG, "f_write() failed: %d", res);
48 ssize_t FATFileHandle::read(void* buffer, size_t length) {
49 debug_if(FFS_DBG, "read(%d)\n", length);
51 FRESULT res = f_read(&_fh, buffer, length, &n);
53 debug_if(FFS_DBG, "f_read() failed: %d\n", res);
59 int FATFileHandle::isatty() {
63 off_t FATFileHandle::lseek(off_t position, int whence) {
64 if (whence == SEEK_END) {
65 position += _fh.fsize;
66 } else if(whence==SEEK_CUR) {
69 FRESULT res = f_lseek(&_fh, position);
71 debug_if(FFS_DBG, "lseek failed: %d\n", res);
74 debug_if(FFS_DBG, "lseek OK, returning %i\n", _fh.fptr);
79 int FATFileHandle::fsync() {
80 FRESULT res = f_sync(&_fh);
82 debug_if(FFS_DBG, "f_sync() failed: %d\n", res);
88 off_t FATFileHandle::flen() {