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/FilePath.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 "FilePath.h"
MikamiUitOpen 4:c1beacfc42c7 17
MikamiUitOpen 4:c1beacfc42c7 18 namespace mbed {
MikamiUitOpen 4:c1beacfc42c7 19
MikamiUitOpen 4:c1beacfc42c7 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
MikamiUitOpen 4:c1beacfc42c7 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
MikamiUitOpen 4:c1beacfc42c7 22
MikamiUitOpen 4:c1beacfc42c7 23 const char* file_system = &file_path[1];
MikamiUitOpen 4:c1beacfc42c7 24 file_name = file_system;
MikamiUitOpen 4:c1beacfc42c7 25 int len = 0;
MikamiUitOpen 4:c1beacfc42c7 26 while (true) {
MikamiUitOpen 4:c1beacfc42c7 27 char c = *file_name;
MikamiUitOpen 4:c1beacfc42c7 28 if (c == '/') { // end of object name
MikamiUitOpen 4:c1beacfc42c7 29 file_name++; // point to one char after the '/'
MikamiUitOpen 4:c1beacfc42c7 30 break;
MikamiUitOpen 4:c1beacfc42c7 31 }
MikamiUitOpen 4:c1beacfc42c7 32 if (c == 0) { // end of object name, with no filename
MikamiUitOpen 4:c1beacfc42c7 33 break;
MikamiUitOpen 4:c1beacfc42c7 34 }
MikamiUitOpen 4:c1beacfc42c7 35 len++;
MikamiUitOpen 4:c1beacfc42c7 36 file_name++;
MikamiUitOpen 4:c1beacfc42c7 37 }
MikamiUitOpen 4:c1beacfc42c7 38
MikamiUitOpen 4:c1beacfc42c7 39 fb = FileBase::lookup(file_system, len);
MikamiUitOpen 4:c1beacfc42c7 40 }
MikamiUitOpen 4:c1beacfc42c7 41
MikamiUitOpen 4:c1beacfc42c7 42 const char* FilePath::fileName(void) {
MikamiUitOpen 4:c1beacfc42c7 43 return file_name;
MikamiUitOpen 4:c1beacfc42c7 44 }
MikamiUitOpen 4:c1beacfc42c7 45
MikamiUitOpen 4:c1beacfc42c7 46 bool FilePath::isFileSystem(void) {
MikamiUitOpen 4:c1beacfc42c7 47 if (NULL == fb)
MikamiUitOpen 4:c1beacfc42c7 48 return false;
MikamiUitOpen 4:c1beacfc42c7 49 return (fb->getPathType() == FileSystemPathType);
MikamiUitOpen 4:c1beacfc42c7 50 }
MikamiUitOpen 4:c1beacfc42c7 51
MikamiUitOpen 4:c1beacfc42c7 52 FileSystemLike* FilePath::fileSystem(void) {
MikamiUitOpen 4:c1beacfc42c7 53 if (isFileSystem()) {
MikamiUitOpen 4:c1beacfc42c7 54 return (FileSystemLike*)fb;
MikamiUitOpen 4:c1beacfc42c7 55 }
MikamiUitOpen 4:c1beacfc42c7 56 return NULL;
MikamiUitOpen 4:c1beacfc42c7 57 }
MikamiUitOpen 4:c1beacfc42c7 58
MikamiUitOpen 4:c1beacfc42c7 59 bool FilePath::isFile(void) {
MikamiUitOpen 4:c1beacfc42c7 60 if (NULL == fb)
MikamiUitOpen 4:c1beacfc42c7 61 return false;
MikamiUitOpen 4:c1beacfc42c7 62 return (fb->getPathType() == FilePathType);
MikamiUitOpen 4:c1beacfc42c7 63 }
MikamiUitOpen 4:c1beacfc42c7 64
MikamiUitOpen 4:c1beacfc42c7 65 FileLike* FilePath::file(void) {
MikamiUitOpen 4:c1beacfc42c7 66 if (isFile()) {
MikamiUitOpen 4:c1beacfc42c7 67 return (FileLike*)fb;
MikamiUitOpen 4:c1beacfc42c7 68 }
MikamiUitOpen 4:c1beacfc42c7 69 return NULL;
MikamiUitOpen 4:c1beacfc42c7 70 }
MikamiUitOpen 4:c1beacfc42c7 71
MikamiUitOpen 4:c1beacfc42c7 72 bool FilePath::exists(void) {
MikamiUitOpen 4:c1beacfc42c7 73 return fb != NULL;
MikamiUitOpen 4:c1beacfc42c7 74 }
MikamiUitOpen 4:c1beacfc42c7 75
MikamiUitOpen 4:c1beacfc42c7 76 } // namespace mbed