Bruno Cavalcanti / Mbed 2 deprecated brunoDrome

teste de publish

Dependencies:   DS1820 HighSpeedAnalogIn devices mbed

SDFileSystem/FATFileSystem/FATFileHandle.cpp@0:1c0a769988ee, 2017-03-24 (annotated)

Committer:
brunofgc
Date:
Fri Mar 24 15:54:41 2017 +0000
Revision:
0:1c0a769988ee
Saidas digitais com pwm ok, entradas analogicas ok

Who changed what in which revision?

UserRevisionLine numberNew contents of line
brunofgc 0:1c0a769988ee 1 /* mbed Microcontroller Library
brunofgc 0:1c0a769988ee 2 * Copyright (c) 2006-2012 ARM Limited
brunofgc 0:1c0a769988ee 3 *
brunofgc 0:1c0a769988ee 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
brunofgc 0:1c0a769988ee 5 * of this software and associated documentation files (the "Software"), to deal
brunofgc 0:1c0a769988ee 6 * in the Software without restriction, including without limitation the rights
brunofgc 0:1c0a769988ee 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
brunofgc 0:1c0a769988ee 8 * copies of the Software, and to permit persons to whom the Software is
brunofgc 0:1c0a769988ee 9 * furnished to do so, subject to the following conditions:
brunofgc 0:1c0a769988ee 10 *
brunofgc 0:1c0a769988ee 11 * The above copyright notice and this permission notice shall be included in
brunofgc 0:1c0a769988ee 12 * all copies or substantial portions of the Software.
brunofgc 0:1c0a769988ee 13 *
brunofgc 0:1c0a769988ee 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
brunofgc 0:1c0a769988ee 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
brunofgc 0:1c0a769988ee 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
brunofgc 0:1c0a769988ee 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
brunofgc 0:1c0a769988ee 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
brunofgc 0:1c0a769988ee 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
brunofgc 0:1c0a769988ee 20 * SOFTWARE.
brunofgc 0:1c0a769988ee 21 */
brunofgc 0:1c0a769988ee 22 #include "ff.h"
brunofgc 0:1c0a769988ee 23 #include "ffconf.h"
brunofgc 0:1c0a769988ee 24 #include "mbed_debug.h"
brunofgc 0:1c0a769988ee 25
brunofgc 0:1c0a769988ee 26 #include "FATFileHandle.h"
brunofgc 0:1c0a769988ee 27
brunofgc 0:1c0a769988ee 28 FATFileHandle::FATFileHandle(FIL fh) {
brunofgc 0:1c0a769988ee 29 _fh = fh;
brunofgc 0:1c0a769988ee 30 }
brunofgc 0:1c0a769988ee 31
brunofgc 0:1c0a769988ee 32 int FATFileHandle::close() {
brunofgc 0:1c0a769988ee 33 int retval = f_close(&_fh);
brunofgc 0:1c0a769988ee 34 delete this;
brunofgc 0:1c0a769988ee 35 return retval;
brunofgc 0:1c0a769988ee 36 }
brunofgc 0:1c0a769988ee 37
brunofgc 0:1c0a769988ee 38 ssize_t FATFileHandle::write(const void* buffer, size_t length) {
brunofgc 0:1c0a769988ee 39 UINT n;
brunofgc 0:1c0a769988ee 40 FRESULT res = f_write(&_fh, buffer, length, &n);
brunofgc 0:1c0a769988ee 41 if (res) {
brunofgc 0:1c0a769988ee 42 debug_if(FFS_DBG, "f_write() failed: %d", res);
brunofgc 0:1c0a769988ee 43 return -1;
brunofgc 0:1c0a769988ee 44 }
brunofgc 0:1c0a769988ee 45 return n;
brunofgc 0:1c0a769988ee 46 }
brunofgc 0:1c0a769988ee 47
brunofgc 0:1c0a769988ee 48 ssize_t FATFileHandle::read(void* buffer, size_t length) {
brunofgc 0:1c0a769988ee 49 debug_if(FFS_DBG, "read(%d)\n", length);
brunofgc 0:1c0a769988ee 50 UINT n;
brunofgc 0:1c0a769988ee 51 FRESULT res = f_read(&_fh, buffer, length, &n);
brunofgc 0:1c0a769988ee 52 if (res) {
brunofgc 0:1c0a769988ee 53 debug_if(FFS_DBG, "f_read() failed: %d\n", res);
brunofgc 0:1c0a769988ee 54 return -1;
brunofgc 0:1c0a769988ee 55 }
brunofgc 0:1c0a769988ee 56 return n;
brunofgc 0:1c0a769988ee 57 }
brunofgc 0:1c0a769988ee 58
brunofgc 0:1c0a769988ee 59 int FATFileHandle::isatty() {
brunofgc 0:1c0a769988ee 60 return 0;
brunofgc 0:1c0a769988ee 61 }
brunofgc 0:1c0a769988ee 62
brunofgc 0:1c0a769988ee 63 off_t FATFileHandle::lseek(off_t position, int whence) {
brunofgc 0:1c0a769988ee 64 if (whence == SEEK_END) {
brunofgc 0:1c0a769988ee 65 position += _fh.fsize;
brunofgc 0:1c0a769988ee 66 } else if(whence==SEEK_CUR) {
brunofgc 0:1c0a769988ee 67 position += _fh.fptr;
brunofgc 0:1c0a769988ee 68 }
brunofgc 0:1c0a769988ee 69 FRESULT res = f_lseek(&_fh, position);
brunofgc 0:1c0a769988ee 70 if (res) {
brunofgc 0:1c0a769988ee 71 debug_if(FFS_DBG, "lseek failed: %d\n", res);
brunofgc 0:1c0a769988ee 72 return -1;
brunofgc 0:1c0a769988ee 73 } else {
brunofgc 0:1c0a769988ee 74 debug_if(FFS_DBG, "lseek OK, returning %i\n", _fh.fptr);
brunofgc 0:1c0a769988ee 75 return _fh.fptr;
brunofgc 0:1c0a769988ee 76 }
brunofgc 0:1c0a769988ee 77 }
brunofgc 0:1c0a769988ee 78
brunofgc 0:1c0a769988ee 79 int FATFileHandle::fsync() {
brunofgc 0:1c0a769988ee 80 FRESULT res = f_sync(&_fh);
brunofgc 0:1c0a769988ee 81 if (res) {
brunofgc 0:1c0a769988ee 82 debug_if(FFS_DBG, "f_sync() failed: %d\n", res);
brunofgc 0:1c0a769988ee 83 return -1;
brunofgc 0:1c0a769988ee 84 }
brunofgc 0:1c0a769988ee 85 return 0;
brunofgc 0:1c0a769988ee 86 }
brunofgc 0:1c0a769988ee 87
brunofgc 0:1c0a769988ee 88 off_t FATFileHandle::flen() {
brunofgc 0:1c0a769988ee 89 return _fh.fsize;
brunofgc 0:1c0a769988ee 90 }