Tamura Mizuki / STM32F746_FFT

fft

Dependencies:   BSP_DISCO_F746NG SDFileSystem_Warning_Fixed

mbed_src_STM32F7/common/FileBase.cpp@0:3e46577dc273, 2016-10-09 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Oct 09 10:11:14 2016 +0000
Revision:
0:3e46577dc273
1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:3e46577dc273 1 /* mbed Microcontroller Library
MikamiUitOpen 0:3e46577dc273 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 0:3e46577dc273 3 *
MikamiUitOpen 0:3e46577dc273 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 0:3e46577dc273 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 0:3e46577dc273 6 * You may obtain a copy of the License at
MikamiUitOpen 0:3e46577dc273 7 *
MikamiUitOpen 0:3e46577dc273 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 0:3e46577dc273 9 *
MikamiUitOpen 0:3e46577dc273 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 0:3e46577dc273 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 0:3e46577dc273 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 0:3e46577dc273 13 * See the License for the specific language governing permissions and
MikamiUitOpen 0:3e46577dc273 14 * limitations under the License.
MikamiUitOpen 0:3e46577dc273 15 */
MikamiUitOpen 0:3e46577dc273 16 #include "FileBase.h"
MikamiUitOpen 0:3e46577dc273 17
MikamiUitOpen 0:3e46577dc273 18 namespace mbed {
MikamiUitOpen 0:3e46577dc273 19
MikamiUitOpen 0:3e46577dc273 20 FileBase *FileBase::_head = NULL;
MikamiUitOpen 0:3e46577dc273 21
MikamiUitOpen 0:3e46577dc273 22 FileBase::FileBase(const char *name, PathType t) : _next(NULL),
MikamiUitOpen 0:3e46577dc273 23 _name(name),
MikamiUitOpen 0:3e46577dc273 24 _path_type(t) {
MikamiUitOpen 0:3e46577dc273 25 if (name != NULL) {
MikamiUitOpen 0:3e46577dc273 26 // put this object at head of the list
MikamiUitOpen 0:3e46577dc273 27 _next = _head;
MikamiUitOpen 0:3e46577dc273 28 _head = this;
MikamiUitOpen 0:3e46577dc273 29 } else {
MikamiUitOpen 0:3e46577dc273 30 _next = NULL;
MikamiUitOpen 0:3e46577dc273 31 }
MikamiUitOpen 0:3e46577dc273 32 }
MikamiUitOpen 0:3e46577dc273 33
MikamiUitOpen 0:3e46577dc273 34 FileBase::~FileBase() {
MikamiUitOpen 0:3e46577dc273 35 if (_name != NULL) {
MikamiUitOpen 0:3e46577dc273 36 // remove this object from the list
MikamiUitOpen 0:3e46577dc273 37 if (_head == this) { // first in the list, so just drop me
MikamiUitOpen 0:3e46577dc273 38 _head = _next;
MikamiUitOpen 0:3e46577dc273 39 } else { // find the object before me, then drop me
MikamiUitOpen 0:3e46577dc273 40 FileBase *p = _head;
MikamiUitOpen 0:3e46577dc273 41 while (p->_next != this) {
MikamiUitOpen 0:3e46577dc273 42 p = p->_next;
MikamiUitOpen 0:3e46577dc273 43 }
MikamiUitOpen 0:3e46577dc273 44 p->_next = _next;
MikamiUitOpen 0:3e46577dc273 45 }
MikamiUitOpen 0:3e46577dc273 46 }
MikamiUitOpen 0:3e46577dc273 47 }
MikamiUitOpen 0:3e46577dc273 48
MikamiUitOpen 0:3e46577dc273 49 FileBase *FileBase::lookup(const char *name, unsigned int len) {
MikamiUitOpen 0:3e46577dc273 50 FileBase *p = _head;
MikamiUitOpen 0:3e46577dc273 51 while (p != NULL) {
MikamiUitOpen 0:3e46577dc273 52 /* Check that p->_name matches name and is the correct length */
MikamiUitOpen 0:3e46577dc273 53 if (p->_name != NULL && std::strncmp(p->_name, name, len) == 0 && std::strlen(p->_name) == len) {
MikamiUitOpen 0:3e46577dc273 54 return p;
MikamiUitOpen 0:3e46577dc273 55 }
MikamiUitOpen 0:3e46577dc273 56 p = p->_next;
MikamiUitOpen 0:3e46577dc273 57 }
MikamiUitOpen 0:3e46577dc273 58 return NULL;
MikamiUitOpen 0:3e46577dc273 59 }
MikamiUitOpen 0:3e46577dc273 60
MikamiUitOpen 0:3e46577dc273 61 FileBase *FileBase::get(int n) {
MikamiUitOpen 0:3e46577dc273 62 FileBase *p = _head;
MikamiUitOpen 0:3e46577dc273 63 int m = 0;
MikamiUitOpen 0:3e46577dc273 64 while (p != NULL) {
MikamiUitOpen 0:3e46577dc273 65 if (m == n) return p;
MikamiUitOpen 0:3e46577dc273 66
MikamiUitOpen 0:3e46577dc273 67 m++;
MikamiUitOpen 0:3e46577dc273 68 p = p->_next;
MikamiUitOpen 0:3e46577dc273 69 }
MikamiUitOpen 0:3e46577dc273 70 return NULL;
MikamiUitOpen 0:3e46577dc273 71 }
MikamiUitOpen 0:3e46577dc273 72
MikamiUitOpen 0:3e46577dc273 73 const char* FileBase::getName(void) {
MikamiUitOpen 0:3e46577dc273 74 return _name;
MikamiUitOpen 0:3e46577dc273 75 }
MikamiUitOpen 0:3e46577dc273 76
MikamiUitOpen 0:3e46577dc273 77 PathType FileBase::getPathType(void) {
MikamiUitOpen 0:3e46577dc273 78 return _path_type;
MikamiUitOpen 0:3e46577dc273 79 }
MikamiUitOpen 0:3e46577dc273 80
MikamiUitOpen 0:3e46577dc273 81 } // namespace mbed
MikamiUitOpen 0:3e46577dc273 82