不韋 呂 / F746_Spectrogram

Realtime spectrogram for DISCO-F746NG. On-board MEMS microphone is used for input sound signal. リアルタイムスペクトログラム．入力：MEMSマイク

Dependencies:   F746_GUI F746_SAI_IO UIT_FFT_Real

mbed_src_STM32F7/common/FileBase.cpp@6:b3885567877c, 2017-04-10 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Apr 10 13:43:07 2017 +0000
Revision:
6:b3885567877c
Parent:
4:c1beacfc42c7 
7

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 4:c1beacfc42c7 1 /* mbed Microcontroller Library
MikamiUitOpen 4:c1beacfc42c7 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 4:c1beacfc42c7 3 *
MikamiUitOpen 4:c1beacfc42c7 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 4:c1beacfc42c7 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 4:c1beacfc42c7 6 * You may obtain a copy of the License at
MikamiUitOpen 4:c1beacfc42c7 7 *
MikamiUitOpen 4:c1beacfc42c7 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 4:c1beacfc42c7 9 *
MikamiUitOpen 4:c1beacfc42c7 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 4:c1beacfc42c7 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 4:c1beacfc42c7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 4:c1beacfc42c7 13 * See the License for the specific language governing permissions and
MikamiUitOpen 4:c1beacfc42c7 14 * limitations under the License.
MikamiUitOpen 4:c1beacfc42c7 15 */
MikamiUitOpen 4:c1beacfc42c7 16 #include "FileBase.h"
MikamiUitOpen 4:c1beacfc42c7 17
MikamiUitOpen 4:c1beacfc42c7 18 namespace mbed {
MikamiUitOpen 4:c1beacfc42c7 19
MikamiUitOpen 4:c1beacfc42c7 20 FileBase *FileBase::_head = NULL;
MikamiUitOpen 4:c1beacfc42c7 21
MikamiUitOpen 4:c1beacfc42c7 22 FileBase::FileBase(const char *name, PathType t) : _next(NULL),
MikamiUitOpen 4:c1beacfc42c7 23 _name(name),
MikamiUitOpen 4:c1beacfc42c7 24 _path_type(t) {
MikamiUitOpen 4:c1beacfc42c7 25 if (name != NULL) {
MikamiUitOpen 4:c1beacfc42c7 26 // put this object at head of the list
MikamiUitOpen 4:c1beacfc42c7 27 _next = _head;
MikamiUitOpen 4:c1beacfc42c7 28 _head = this;
MikamiUitOpen 4:c1beacfc42c7 29 } else {
MikamiUitOpen 4:c1beacfc42c7 30 _next = NULL;
MikamiUitOpen 4:c1beacfc42c7 31 }
MikamiUitOpen 4:c1beacfc42c7 32 }
MikamiUitOpen 4:c1beacfc42c7 33
MikamiUitOpen 4:c1beacfc42c7 34 FileBase::~FileBase() {
MikamiUitOpen 4:c1beacfc42c7 35 if (_name != NULL) {
MikamiUitOpen 4:c1beacfc42c7 36 // remove this object from the list
MikamiUitOpen 4:c1beacfc42c7 37 if (_head == this) { // first in the list, so just drop me
MikamiUitOpen 4:c1beacfc42c7 38 _head = _next;
MikamiUitOpen 4:c1beacfc42c7 39 } else { // find the object before me, then drop me
MikamiUitOpen 4:c1beacfc42c7 40 FileBase *p = _head;
MikamiUitOpen 4:c1beacfc42c7 41 while (p->_next != this) {
MikamiUitOpen 4:c1beacfc42c7 42 p = p->_next;
MikamiUitOpen 4:c1beacfc42c7 43 }
MikamiUitOpen 4:c1beacfc42c7 44 p->_next = _next;
MikamiUitOpen 4:c1beacfc42c7 45 }
MikamiUitOpen 4:c1beacfc42c7 46 }
MikamiUitOpen 4:c1beacfc42c7 47 }
MikamiUitOpen 4:c1beacfc42c7 48
MikamiUitOpen 4:c1beacfc42c7 49 FileBase *FileBase::lookup(const char *name, unsigned int len) {
MikamiUitOpen 4:c1beacfc42c7 50 FileBase *p = _head;
MikamiUitOpen 4:c1beacfc42c7 51 while (p != NULL) {
MikamiUitOpen 4:c1beacfc42c7 52 /* Check that p->_name matches name and is the correct length */
MikamiUitOpen 4:c1beacfc42c7 53 if (p->_name != NULL && std::strncmp(p->_name, name, len) == 0 && std::strlen(p->_name) == len) {
MikamiUitOpen 4:c1beacfc42c7 54 return p;
MikamiUitOpen 4:c1beacfc42c7 55 }
MikamiUitOpen 4:c1beacfc42c7 56 p = p->_next;
MikamiUitOpen 4:c1beacfc42c7 57 }
MikamiUitOpen 4:c1beacfc42c7 58 return NULL;
MikamiUitOpen 4:c1beacfc42c7 59 }
MikamiUitOpen 4:c1beacfc42c7 60
MikamiUitOpen 4:c1beacfc42c7 61 FileBase *FileBase::get(int n) {
MikamiUitOpen 4:c1beacfc42c7 62 FileBase *p = _head;
MikamiUitOpen 4:c1beacfc42c7 63 int m = 0;
MikamiUitOpen 4:c1beacfc42c7 64 while (p != NULL) {
MikamiUitOpen 4:c1beacfc42c7 65 if (m == n) return p;
MikamiUitOpen 4:c1beacfc42c7 66
MikamiUitOpen 4:c1beacfc42c7 67 m++;
MikamiUitOpen 4:c1beacfc42c7 68 p = p->_next;
MikamiUitOpen 4:c1beacfc42c7 69 }
MikamiUitOpen 4:c1beacfc42c7 70 return NULL;
MikamiUitOpen 4:c1beacfc42c7 71 }
MikamiUitOpen 4:c1beacfc42c7 72
MikamiUitOpen 4:c1beacfc42c7 73 const char* FileBase::getName(void) {
MikamiUitOpen 4:c1beacfc42c7 74 return _name;
MikamiUitOpen 4:c1beacfc42c7 75 }
MikamiUitOpen 4:c1beacfc42c7 76
MikamiUitOpen 4:c1beacfc42c7 77 PathType FileBase::getPathType(void) {
MikamiUitOpen 4:c1beacfc42c7 78 return _path_type;
MikamiUitOpen 4:c1beacfc42c7 79 }
MikamiUitOpen 4:c1beacfc42c7 80
MikamiUitOpen 4:c1beacfc42c7 81 } // namespace mbed
MikamiUitOpen 4:c1beacfc42c7 82