Geo Electronics "Geo Counter" / Mbed 2 deprecated GEO_SHOW2ME_F411RE_CDY

CDY version that shares functionality with Counter

Dependencies:   SDFileSystem_HelloWorld mbed FATFileSystem

SDFileSystem/FATFileSystem/FATDirHandle.cpp@3:c547dba5d39b, 2018-11-05 (annotated)

Committer:
Charles David Young
Date:
Mon Nov 05 09:52:17 2018 -0700
Revision:
3:c547dba5d39b
Parent:
0:aa13e1c335cd 
debug

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Charles David Young 0:aa13e1c335cd 1 /* mbed Microcontroller Library
Charles David Young 0:aa13e1c335cd 2 * Copyright (c) 2006-2012 ARM Limited
Charles David Young 0:aa13e1c335cd 3 *
Charles David Young 0:aa13e1c335cd 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
Charles David Young 0:aa13e1c335cd 5 * of this software and associated documentation files (the "Software"), to deal
Charles David Young 0:aa13e1c335cd 6 * in the Software without restriction, including without limitation the rights
Charles David Young 0:aa13e1c335cd 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Charles David Young 0:aa13e1c335cd 8 * copies of the Software, and to permit persons to whom the Software is
Charles David Young 0:aa13e1c335cd 9 * furnished to do so, subject to the following conditions:
Charles David Young 0:aa13e1c335cd 10 *
Charles David Young 0:aa13e1c335cd 11 * The above copyright notice and this permission notice shall be included in
Charles David Young 0:aa13e1c335cd 12 * all copies or substantial portions of the Software.
Charles David Young 0:aa13e1c335cd 13 *
Charles David Young 0:aa13e1c335cd 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Charles David Young 0:aa13e1c335cd 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Charles David Young 0:aa13e1c335cd 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Charles David Young 0:aa13e1c335cd 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Charles David Young 0:aa13e1c335cd 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Charles David Young 0:aa13e1c335cd 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
Charles David Young 0:aa13e1c335cd 20 * SOFTWARE.
Charles David Young 0:aa13e1c335cd 21 */
Charles David Young 0:aa13e1c335cd 22 #include <string.h>
Charles David Young 0:aa13e1c335cd 23 #include "ff.h"
Charles David Young 0:aa13e1c335cd 24 #include "FATDirHandle.h"
Charles David Young 0:aa13e1c335cd 25
Charles David Young 0:aa13e1c335cd 26 using namespace mbed;
Charles David Young 0:aa13e1c335cd 27
Charles David Young 0:aa13e1c335cd 28 FATDirHandle::FATDirHandle(const FATFS_DIR &the_dir) {
Charles David Young 0:aa13e1c335cd 29 dir = the_dir;
Charles David Young 0:aa13e1c335cd 30 }
Charles David Young 0:aa13e1c335cd 31
Charles David Young 0:aa13e1c335cd 32 int FATDirHandle::closedir() {
Charles David Young 0:aa13e1c335cd 33 int retval = f_closedir(&dir);
Charles David Young 0:aa13e1c335cd 34 delete this;
Charles David Young 0:aa13e1c335cd 35 return retval;
Charles David Young 0:aa13e1c335cd 36 }
Charles David Young 0:aa13e1c335cd 37
Charles David Young 0:aa13e1c335cd 38 struct dirent *FATDirHandle::readdir() {
Charles David Young 0:aa13e1c335cd 39 FILINFO finfo;
Charles David Young 0:aa13e1c335cd 40
Charles David Young 0:aa13e1c335cd 41 #if _USE_LFN
Charles David Young 0:aa13e1c335cd 42 finfo.lfname = cur_entry.d_name;
Charles David Young 0:aa13e1c335cd 43 finfo.lfsize = sizeof(cur_entry.d_name);
Charles David Young 0:aa13e1c335cd 44 #endif // _USE_LFN
Charles David Young 0:aa13e1c335cd 45
Charles David Young 0:aa13e1c335cd 46 FRESULT res = f_readdir(&dir, &finfo);
Charles David Young 0:aa13e1c335cd 47
Charles David Young 0:aa13e1c335cd 48 #if _USE_LFN
Charles David Young 0:aa13e1c335cd 49 if(res != 0 || finfo.fname[0]==0) {
Charles David Young 0:aa13e1c335cd 50 return NULL;
Charles David Young 0:aa13e1c335cd 51 } else {
Charles David Young 0:aa13e1c335cd 52 if(cur_entry.d_name[0]==0) {
Charles David Young 0:aa13e1c335cd 53 // No long filename so use short filename.
Charles David Young 0:aa13e1c335cd 54 memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
Charles David Young 0:aa13e1c335cd 55 }
Charles David Young 0:aa13e1c335cd 56 return &cur_entry;
Charles David Young 0:aa13e1c335cd 57 }
Charles David Young 0:aa13e1c335cd 58 #else
Charles David Young 0:aa13e1c335cd 59 if(res != 0 || finfo.fname[0]==0) {
Charles David Young 0:aa13e1c335cd 60 return NULL;
Charles David Young 0:aa13e1c335cd 61 } else {
Charles David Young 0:aa13e1c335cd 62 memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
Charles David Young 0:aa13e1c335cd 63 return &cur_entry;
Charles David Young 0:aa13e1c335cd 64 }
Charles David Young 0:aa13e1c335cd 65 #endif /* _USE_LFN */
Charles David Young 0:aa13e1c335cd 66 }
Charles David Young 0:aa13e1c335cd 67
Charles David Young 0:aa13e1c335cd 68 void FATDirHandle::rewinddir() {
Charles David Young 0:aa13e1c335cd 69 dir.index = 0;
Charles David Young 0:aa13e1c335cd 70 }
Charles David Young 0:aa13e1c335cd 71
Charles David Young 0:aa13e1c335cd 72 off_t FATDirHandle::telldir() {
Charles David Young 0:aa13e1c335cd 73 return dir.index;
Charles David Young 0:aa13e1c335cd 74 }
Charles David Young 0:aa13e1c335cd 75
Charles David Young 0:aa13e1c335cd 76 void FATDirHandle::seekdir(off_t location) {
Charles David Young 0:aa13e1c335cd 77 dir.index = location;
Charles David Young 0:aa13e1c335cd 78 }
Charles David Young 0:aa13e1c335cd 79