不韋 呂 / F746_AcousticEffector_MIC

Audio singal input and output example for DISCO-F746. Input: MEMS mic, Output: CN10 OUT, Acoustic effect: echo and frequency shift. DISCO-F746 によるオーディオ信号入出力．入力：MEMS マイク，出力：CN10 OUT，音響効果：エコー，周波数変換．

Dependencies:   F746_GUI F746_SAI_IO

mbed_src_STM32F7/common/FilePath.cpp@10:56f2f01df983, 2017-04-10 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Apr 10 13:44:13 2017 +0000
Revision:
10:56f2f01df983
Parent:
6:38f7dce055d0 
11

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 6:38f7dce055d0 1 /* mbed Microcontroller Library
MikamiUitOpen 6:38f7dce055d0 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 6:38f7dce055d0 3 *
MikamiUitOpen 6:38f7dce055d0 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 6:38f7dce055d0 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 6:38f7dce055d0 6 * You may obtain a copy of the License at
MikamiUitOpen 6:38f7dce055d0 7 *
MikamiUitOpen 6:38f7dce055d0 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 6:38f7dce055d0 9 *
MikamiUitOpen 6:38f7dce055d0 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 6:38f7dce055d0 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 6:38f7dce055d0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 6:38f7dce055d0 13 * See the License for the specific language governing permissions and
MikamiUitOpen 6:38f7dce055d0 14 * limitations under the License.
MikamiUitOpen 6:38f7dce055d0 15 */
MikamiUitOpen 6:38f7dce055d0 16 #include "FilePath.h"
MikamiUitOpen 6:38f7dce055d0 17
MikamiUitOpen 6:38f7dce055d0 18 namespace mbed {
MikamiUitOpen 6:38f7dce055d0 19
MikamiUitOpen 6:38f7dce055d0 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
MikamiUitOpen 6:38f7dce055d0 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
MikamiUitOpen 6:38f7dce055d0 22
MikamiUitOpen 6:38f7dce055d0 23 const char* file_system = &file_path[1];
MikamiUitOpen 6:38f7dce055d0 24 file_name = file_system;
MikamiUitOpen 6:38f7dce055d0 25 int len = 0;
MikamiUitOpen 6:38f7dce055d0 26 while (true) {
MikamiUitOpen 6:38f7dce055d0 27 char c = *file_name;
MikamiUitOpen 6:38f7dce055d0 28 if (c == '/') { // end of object name
MikamiUitOpen 6:38f7dce055d0 29 file_name++; // point to one char after the '/'
MikamiUitOpen 6:38f7dce055d0 30 break;
MikamiUitOpen 6:38f7dce055d0 31 }
MikamiUitOpen 6:38f7dce055d0 32 if (c == 0) { // end of object name, with no filename
MikamiUitOpen 6:38f7dce055d0 33 break;
MikamiUitOpen 6:38f7dce055d0 34 }
MikamiUitOpen 6:38f7dce055d0 35 len++;
MikamiUitOpen 6:38f7dce055d0 36 file_name++;
MikamiUitOpen 6:38f7dce055d0 37 }
MikamiUitOpen 6:38f7dce055d0 38
MikamiUitOpen 6:38f7dce055d0 39 fb = FileBase::lookup(file_system, len);
MikamiUitOpen 6:38f7dce055d0 40 }
MikamiUitOpen 6:38f7dce055d0 41
MikamiUitOpen 6:38f7dce055d0 42 const char* FilePath::fileName(void) {
MikamiUitOpen 6:38f7dce055d0 43 return file_name;
MikamiUitOpen 6:38f7dce055d0 44 }
MikamiUitOpen 6:38f7dce055d0 45
MikamiUitOpen 6:38f7dce055d0 46 bool FilePath::isFileSystem(void) {
MikamiUitOpen 6:38f7dce055d0 47 if (NULL == fb)
MikamiUitOpen 6:38f7dce055d0 48 return false;
MikamiUitOpen 6:38f7dce055d0 49 return (fb->getPathType() == FileSystemPathType);
MikamiUitOpen 6:38f7dce055d0 50 }
MikamiUitOpen 6:38f7dce055d0 51
MikamiUitOpen 6:38f7dce055d0 52 FileSystemLike* FilePath::fileSystem(void) {
MikamiUitOpen 6:38f7dce055d0 53 if (isFileSystem()) {
MikamiUitOpen 6:38f7dce055d0 54 return (FileSystemLike*)fb;
MikamiUitOpen 6:38f7dce055d0 55 }
MikamiUitOpen 6:38f7dce055d0 56 return NULL;
MikamiUitOpen 6:38f7dce055d0 57 }
MikamiUitOpen 6:38f7dce055d0 58
MikamiUitOpen 6:38f7dce055d0 59 bool FilePath::isFile(void) {
MikamiUitOpen 6:38f7dce055d0 60 if (NULL == fb)
MikamiUitOpen 6:38f7dce055d0 61 return false;
MikamiUitOpen 6:38f7dce055d0 62 return (fb->getPathType() == FilePathType);
MikamiUitOpen 6:38f7dce055d0 63 }
MikamiUitOpen 6:38f7dce055d0 64
MikamiUitOpen 6:38f7dce055d0 65 FileLike* FilePath::file(void) {
MikamiUitOpen 6:38f7dce055d0 66 if (isFile()) {
MikamiUitOpen 6:38f7dce055d0 67 return (FileLike*)fb;
MikamiUitOpen 6:38f7dce055d0 68 }
MikamiUitOpen 6:38f7dce055d0 69 return NULL;
MikamiUitOpen 6:38f7dce055d0 70 }
MikamiUitOpen 6:38f7dce055d0 71
MikamiUitOpen 6:38f7dce055d0 72 bool FilePath::exists(void) {
MikamiUitOpen 6:38f7dce055d0 73 return fb != NULL;
MikamiUitOpen 6:38f7dce055d0 74 }
MikamiUitOpen 6:38f7dce055d0 75
MikamiUitOpen 6:38f7dce055d0 76 } // namespace mbed