SkyTEM BMAG / Mbed 2 deprecated BMAGThrRev

Bmag incl gps rettelse

Dependencies:   mbed WDT MODSERIAL BME280

USBHost/FATFileSystem/FATDirHandle.cpp@56:df9052e3808c, 2019-06-20 (annotated)

Committer:
gert_lauritsen
Date:
Thu Jun 20 07:13:18 2019 +0000
Revision:
56:df9052e3808c
change date stamp from gps, reads serialnumb from file.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gert_lauritsen 56:df9052e3808c 1 /* mbed Microcontroller Library
gert_lauritsen 56:df9052e3808c 2 * Copyright (c) 2006-2012 ARM Limited
gert_lauritsen 56:df9052e3808c 3 *
gert_lauritsen 56:df9052e3808c 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
gert_lauritsen 56:df9052e3808c 5 * of this software and associated documentation files (the "Software"), to deal
gert_lauritsen 56:df9052e3808c 6 * in the Software without restriction, including without limitation the rights
gert_lauritsen 56:df9052e3808c 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
gert_lauritsen 56:df9052e3808c 8 * copies of the Software, and to permit persons to whom the Software is
gert_lauritsen 56:df9052e3808c 9 * furnished to do so, subject to the following conditions:
gert_lauritsen 56:df9052e3808c 10 *
gert_lauritsen 56:df9052e3808c 11 * The above copyright notice and this permission notice shall be included in
gert_lauritsen 56:df9052e3808c 12 * all copies or substantial portions of the Software.
gert_lauritsen 56:df9052e3808c 13 *
gert_lauritsen 56:df9052e3808c 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
gert_lauritsen 56:df9052e3808c 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
gert_lauritsen 56:df9052e3808c 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
gert_lauritsen 56:df9052e3808c 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
gert_lauritsen 56:df9052e3808c 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
gert_lauritsen 56:df9052e3808c 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
gert_lauritsen 56:df9052e3808c 20 * SOFTWARE.
gert_lauritsen 56:df9052e3808c 21 */
gert_lauritsen 56:df9052e3808c 22 #include <string.h>
gert_lauritsen 56:df9052e3808c 23 #include "ff.h"
gert_lauritsen 56:df9052e3808c 24 #include "FATDirHandle.h"
gert_lauritsen 56:df9052e3808c 25
gert_lauritsen 56:df9052e3808c 26 using namespace mbed;
gert_lauritsen 56:df9052e3808c 27
gert_lauritsen 56:df9052e3808c 28 FATDirHandle::FATDirHandle(const FATFS_DIR &the_dir) {
gert_lauritsen 56:df9052e3808c 29 dir = the_dir;
gert_lauritsen 56:df9052e3808c 30 }
gert_lauritsen 56:df9052e3808c 31
gert_lauritsen 56:df9052e3808c 32 int FATDirHandle::closedir() {
gert_lauritsen 56:df9052e3808c 33 int retval = f_closedir(&dir);
gert_lauritsen 56:df9052e3808c 34 delete this;
gert_lauritsen 56:df9052e3808c 35 return retval;
gert_lauritsen 56:df9052e3808c 36 }
gert_lauritsen 56:df9052e3808c 37
gert_lauritsen 56:df9052e3808c 38 struct dirent *FATDirHandle::readdir() {
gert_lauritsen 56:df9052e3808c 39 FILINFO finfo;
gert_lauritsen 56:df9052e3808c 40
gert_lauritsen 56:df9052e3808c 41 #if _USE_LFN
gert_lauritsen 56:df9052e3808c 42 finfo.lfname = cur_entry.d_name;
gert_lauritsen 56:df9052e3808c 43 finfo.lfsize = sizeof(cur_entry.d_name);
gert_lauritsen 56:df9052e3808c 44 #endif // _USE_LFN
gert_lauritsen 56:df9052e3808c 45
gert_lauritsen 56:df9052e3808c 46 FRESULT res = f_readdir(&dir, &finfo);
gert_lauritsen 56:df9052e3808c 47
gert_lauritsen 56:df9052e3808c 48 #if _USE_LFN
gert_lauritsen 56:df9052e3808c 49 if(res != 0 || finfo.fname[0]==0) {
gert_lauritsen 56:df9052e3808c 50 return NULL;
gert_lauritsen 56:df9052e3808c 51 } else {
gert_lauritsen 56:df9052e3808c 52 if(cur_entry.d_name[0]==0) {
gert_lauritsen 56:df9052e3808c 53 // No long filename so use short filename.
gert_lauritsen 56:df9052e3808c 54 memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
gert_lauritsen 56:df9052e3808c 55 }
gert_lauritsen 56:df9052e3808c 56 return &cur_entry;
gert_lauritsen 56:df9052e3808c 57 }
gert_lauritsen 56:df9052e3808c 58 #else
gert_lauritsen 56:df9052e3808c 59 if(res != 0 || finfo.fname[0]==0) {
gert_lauritsen 56:df9052e3808c 60 return NULL;
gert_lauritsen 56:df9052e3808c 61 } else {
gert_lauritsen 56:df9052e3808c 62 memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
gert_lauritsen 56:df9052e3808c 63 return &cur_entry;
gert_lauritsen 56:df9052e3808c 64 }
gert_lauritsen 56:df9052e3808c 65 #endif /* _USE_LFN */
gert_lauritsen 56:df9052e3808c 66 }
gert_lauritsen 56:df9052e3808c 67
gert_lauritsen 56:df9052e3808c 68 void FATDirHandle::rewinddir() {
gert_lauritsen 56:df9052e3808c 69 dir.index = 0;
gert_lauritsen 56:df9052e3808c 70 }
gert_lauritsen 56:df9052e3808c 71
gert_lauritsen 56:df9052e3808c 72 off_t FATDirHandle::telldir() {
gert_lauritsen 56:df9052e3808c 73 return dir.index;
gert_lauritsen 56:df9052e3808c 74 }
gert_lauritsen 56:df9052e3808c 75
gert_lauritsen 56:df9052e3808c 76 void FATDirHandle::seekdir(off_t location) {
gert_lauritsen 56:df9052e3808c 77 dir.index = location;
gert_lauritsen 56:df9052e3808c 78 }
gert_lauritsen 56:df9052e3808c 79