Tamura Mizuki / STM32F746_FFT

fft

Dependencies:   BSP_DISCO_F746NG SDFileSystem_Warning_Fixed

mbed_src_STM32F7/common/FilePath.cpp@3:6f7e05dd8d15, 2020-03-06 (annotated)

Committer:
aria19970520
Date:
Fri Mar 06 06:52:14 2020 +0000
Revision:
3:6f7e05dd8d15
Parent:
0:3e46577dc273 
fft

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 "FilePath.h"
MikamiUitOpen 0:3e46577dc273 17
MikamiUitOpen 0:3e46577dc273 18 namespace mbed {
MikamiUitOpen 0:3e46577dc273 19
MikamiUitOpen 0:3e46577dc273 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
MikamiUitOpen 0:3e46577dc273 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
MikamiUitOpen 0:3e46577dc273 22
MikamiUitOpen 0:3e46577dc273 23 const char* file_system = &file_path[1];
MikamiUitOpen 0:3e46577dc273 24 file_name = file_system;
MikamiUitOpen 0:3e46577dc273 25 int len = 0;
MikamiUitOpen 0:3e46577dc273 26 while (true) {
MikamiUitOpen 0:3e46577dc273 27 char c = *file_name;
MikamiUitOpen 0:3e46577dc273 28 if (c == '/') { // end of object name
MikamiUitOpen 0:3e46577dc273 29 file_name++; // point to one char after the '/'
MikamiUitOpen 0:3e46577dc273 30 break;
MikamiUitOpen 0:3e46577dc273 31 }
MikamiUitOpen 0:3e46577dc273 32 if (c == 0) { // end of object name, with no filename
MikamiUitOpen 0:3e46577dc273 33 break;
MikamiUitOpen 0:3e46577dc273 34 }
MikamiUitOpen 0:3e46577dc273 35 len++;
MikamiUitOpen 0:3e46577dc273 36 file_name++;
MikamiUitOpen 0:3e46577dc273 37 }
MikamiUitOpen 0:3e46577dc273 38
MikamiUitOpen 0:3e46577dc273 39 fb = FileBase::lookup(file_system, len);
MikamiUitOpen 0:3e46577dc273 40 }
MikamiUitOpen 0:3e46577dc273 41
MikamiUitOpen 0:3e46577dc273 42 const char* FilePath::fileName(void) {
MikamiUitOpen 0:3e46577dc273 43 return file_name;
MikamiUitOpen 0:3e46577dc273 44 }
MikamiUitOpen 0:3e46577dc273 45
MikamiUitOpen 0:3e46577dc273 46 bool FilePath::isFileSystem(void) {
MikamiUitOpen 0:3e46577dc273 47 if (NULL == fb)
MikamiUitOpen 0:3e46577dc273 48 return false;
MikamiUitOpen 0:3e46577dc273 49 return (fb->getPathType() == FileSystemPathType);
MikamiUitOpen 0:3e46577dc273 50 }
MikamiUitOpen 0:3e46577dc273 51
MikamiUitOpen 0:3e46577dc273 52 FileSystemLike* FilePath::fileSystem(void) {
MikamiUitOpen 0:3e46577dc273 53 if (isFileSystem()) {
MikamiUitOpen 0:3e46577dc273 54 return (FileSystemLike*)fb;
MikamiUitOpen 0:3e46577dc273 55 }
MikamiUitOpen 0:3e46577dc273 56 return NULL;
MikamiUitOpen 0:3e46577dc273 57 }
MikamiUitOpen 0:3e46577dc273 58
MikamiUitOpen 0:3e46577dc273 59 bool FilePath::isFile(void) {
MikamiUitOpen 0:3e46577dc273 60 if (NULL == fb)
MikamiUitOpen 0:3e46577dc273 61 return false;
MikamiUitOpen 0:3e46577dc273 62 return (fb->getPathType() == FilePathType);
MikamiUitOpen 0:3e46577dc273 63 }
MikamiUitOpen 0:3e46577dc273 64
MikamiUitOpen 0:3e46577dc273 65 FileLike* FilePath::file(void) {
MikamiUitOpen 0:3e46577dc273 66 if (isFile()) {
MikamiUitOpen 0:3e46577dc273 67 return (FileLike*)fb;
MikamiUitOpen 0:3e46577dc273 68 }
MikamiUitOpen 0:3e46577dc273 69 return NULL;
MikamiUitOpen 0:3e46577dc273 70 }
MikamiUitOpen 0:3e46577dc273 71
MikamiUitOpen 0:3e46577dc273 72 bool FilePath::exists(void) {
MikamiUitOpen 0:3e46577dc273 73 return fb != NULL;
MikamiUitOpen 0:3e46577dc273 74 }
MikamiUitOpen 0:3e46577dc273 75
MikamiUitOpen 0:3e46577dc273 76 } // namespace mbed