CORE / Mbed 2 deprecated GeminiQUEST_ptarmigan

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Dependencies:   mbed

SDFileSystem/FATFileSystem/FATDirHandle.cpp@0:d58274531d38, 2019-09-11 (annotated)

Committer:
ishiyamayuto
Date:
Wed Sep 11 06:37:20 2019 +0000
Revision:
0:d58274531d38
BMP180,MPU6050

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ishiyamayuto 0:d58274531d38 1 /* mbed Microcontroller Library
ishiyamayuto 0:d58274531d38 2 * Copyright (c) 2006-2012 ARM Limited
ishiyamayuto 0:d58274531d38 3 *
ishiyamayuto 0:d58274531d38 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
ishiyamayuto 0:d58274531d38 5 * of this software and associated documentation files (the "Software"), to deal
ishiyamayuto 0:d58274531d38 6 * in the Software without restriction, including without limitation the rights
ishiyamayuto 0:d58274531d38 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
ishiyamayuto 0:d58274531d38 8 * copies of the Software, and to permit persons to whom the Software is
ishiyamayuto 0:d58274531d38 9 * furnished to do so, subject to the following conditions:
ishiyamayuto 0:d58274531d38 10 *
ishiyamayuto 0:d58274531d38 11 * The above copyright notice and this permission notice shall be included in
ishiyamayuto 0:d58274531d38 12 * all copies or substantial portions of the Software.
ishiyamayuto 0:d58274531d38 13 *
ishiyamayuto 0:d58274531d38 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
ishiyamayuto 0:d58274531d38 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
ishiyamayuto 0:d58274531d38 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
ishiyamayuto 0:d58274531d38 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
ishiyamayuto 0:d58274531d38 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ishiyamayuto 0:d58274531d38 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
ishiyamayuto 0:d58274531d38 20 * SOFTWARE.
ishiyamayuto 0:d58274531d38 21 */
ishiyamayuto 0:d58274531d38 22 #include <string.h>
ishiyamayuto 0:d58274531d38 23 #include "ff.h"
ishiyamayuto 0:d58274531d38 24 #include "FATDirHandle.h"
ishiyamayuto 0:d58274531d38 25
ishiyamayuto 0:d58274531d38 26 using namespace mbed;
ishiyamayuto 0:d58274531d38 27
ishiyamayuto 0:d58274531d38 28 FATDirHandle::FATDirHandle(const FATFS_DIR &the_dir) {
ishiyamayuto 0:d58274531d38 29 dir = the_dir;
ishiyamayuto 0:d58274531d38 30 }
ishiyamayuto 0:d58274531d38 31
ishiyamayuto 0:d58274531d38 32 int FATDirHandle::closedir() {
ishiyamayuto 0:d58274531d38 33 int retval = f_closedir(&dir);
ishiyamayuto 0:d58274531d38 34 delete this;
ishiyamayuto 0:d58274531d38 35 return retval;
ishiyamayuto 0:d58274531d38 36 }
ishiyamayuto 0:d58274531d38 37
ishiyamayuto 0:d58274531d38 38 struct dirent *FATDirHandle::readdir() {
ishiyamayuto 0:d58274531d38 39 FILINFO finfo;
ishiyamayuto 0:d58274531d38 40
ishiyamayuto 0:d58274531d38 41 #if _USE_LFN
ishiyamayuto 0:d58274531d38 42 finfo.lfname = cur_entry.d_name;
ishiyamayuto 0:d58274531d38 43 finfo.lfsize = sizeof(cur_entry.d_name);
ishiyamayuto 0:d58274531d38 44 #endif // _USE_LFN
ishiyamayuto 0:d58274531d38 45
ishiyamayuto 0:d58274531d38 46 FRESULT res = f_readdir(&dir, &finfo);
ishiyamayuto 0:d58274531d38 47
ishiyamayuto 0:d58274531d38 48 #if _USE_LFN
ishiyamayuto 0:d58274531d38 49 if(res != 0 || finfo.fname[0]==0) {
ishiyamayuto 0:d58274531d38 50 return NULL;
ishiyamayuto 0:d58274531d38 51 } else {
ishiyamayuto 0:d58274531d38 52 if(cur_entry.d_name[0]==0) {
ishiyamayuto 0:d58274531d38 53 // No long filename so use short filename.
ishiyamayuto 0:d58274531d38 54 memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
ishiyamayuto 0:d58274531d38 55 }
ishiyamayuto 0:d58274531d38 56 return &cur_entry;
ishiyamayuto 0:d58274531d38 57 }
ishiyamayuto 0:d58274531d38 58 #else
ishiyamayuto 0:d58274531d38 59 if(res != 0 || finfo.fname[0]==0) {
ishiyamayuto 0:d58274531d38 60 return NULL;
ishiyamayuto 0:d58274531d38 61 } else {
ishiyamayuto 0:d58274531d38 62 memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
ishiyamayuto 0:d58274531d38 63 return &cur_entry;
ishiyamayuto 0:d58274531d38 64 }
ishiyamayuto 0:d58274531d38 65 #endif /* _USE_LFN */
ishiyamayuto 0:d58274531d38 66 }
ishiyamayuto 0:d58274531d38 67
ishiyamayuto 0:d58274531d38 68 void FATDirHandle::rewinddir() {
ishiyamayuto 0:d58274531d38 69 dir.index = 0;
ishiyamayuto 0:d58274531d38 70 }
ishiyamayuto 0:d58274531d38 71
ishiyamayuto 0:d58274531d38 72 off_t FATDirHandle::telldir() {
ishiyamayuto 0:d58274531d38 73 return dir.index;
ishiyamayuto 0:d58274531d38 74 }
ishiyamayuto 0:d58274531d38 75
ishiyamayuto 0:d58274531d38 76 void FATDirHandle::seekdir(off_t location) {
ishiyamayuto 0:d58274531d38 77 dir.index = location;
ishiyamayuto 0:d58274531d38 78 }
ishiyamayuto 0:d58274531d38 79