SkyTEM BMAG / Mbed 2 deprecated BMAGThrRev

Bmag incl gps rettelse

Dependencies:   mbed WDT MODSERIAL BME280

USBHost/FATFileSystem/FATFileHandle.cpp@64:06b9b8ffd5a6, 2019-07-09 (annotated)

Committer:
gert_lauritsen
Date:
Tue Jul 09 09:54:41 2019 +0000
Branch:
MbedBMAGThrRev
Revision:
64:06b9b8ffd5a6
Parent:
61:52a6d0ffd8e5 
dataline version to 4 and fw til 1.0.0.7

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gert_lauritsen 61:52a6d0ffd8e5 1 /* mbed Microcontroller Library
gert_lauritsen 61:52a6d0ffd8e5 2 * Copyright (c) 2006-2012 ARM Limited
gert_lauritsen 61:52a6d0ffd8e5 3 *
gert_lauritsen 61:52a6d0ffd8e5 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
gert_lauritsen 61:52a6d0ffd8e5 5 * of this software and associated documentation files (the "Software"), to deal
gert_lauritsen 61:52a6d0ffd8e5 6 * in the Software without restriction, including without limitation the rights
gert_lauritsen 61:52a6d0ffd8e5 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
gert_lauritsen 61:52a6d0ffd8e5 8 * copies of the Software, and to permit persons to whom the Software is
gert_lauritsen 61:52a6d0ffd8e5 9 * furnished to do so, subject to the following conditions:
gert_lauritsen 61:52a6d0ffd8e5 10 *
gert_lauritsen 61:52a6d0ffd8e5 11 * The above copyright notice and this permission notice shall be included in
gert_lauritsen 61:52a6d0ffd8e5 12 * all copies or substantial portions of the Software.
gert_lauritsen 61:52a6d0ffd8e5 13 *
gert_lauritsen 61:52a6d0ffd8e5 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
gert_lauritsen 61:52a6d0ffd8e5 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
gert_lauritsen 61:52a6d0ffd8e5 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
gert_lauritsen 61:52a6d0ffd8e5 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
gert_lauritsen 61:52a6d0ffd8e5 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
gert_lauritsen 61:52a6d0ffd8e5 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
gert_lauritsen 61:52a6d0ffd8e5 20 * SOFTWARE.
gert_lauritsen 61:52a6d0ffd8e5 21 */
gert_lauritsen 61:52a6d0ffd8e5 22 #include "ff.h"
gert_lauritsen 61:52a6d0ffd8e5 23 #include "ffconf.h"
gert_lauritsen 61:52a6d0ffd8e5 24 #include "mbed_debug.h"
gert_lauritsen 61:52a6d0ffd8e5 25
gert_lauritsen 61:52a6d0ffd8e5 26 #include "FATFileHandle.h"
gert_lauritsen 61:52a6d0ffd8e5 27
gert_lauritsen 61:52a6d0ffd8e5 28 FATFileHandle::FATFileHandle(FIL fh) {
gert_lauritsen 61:52a6d0ffd8e5 29 _fh = fh;
gert_lauritsen 61:52a6d0ffd8e5 30 }
gert_lauritsen 61:52a6d0ffd8e5 31
gert_lauritsen 61:52a6d0ffd8e5 32 int FATFileHandle::close() {
gert_lauritsen 61:52a6d0ffd8e5 33 int retval = f_close(&_fh);
gert_lauritsen 61:52a6d0ffd8e5 34 delete this;
gert_lauritsen 61:52a6d0ffd8e5 35 return retval;
gert_lauritsen 61:52a6d0ffd8e5 36 }
gert_lauritsen 61:52a6d0ffd8e5 37
gert_lauritsen 61:52a6d0ffd8e5 38 ssize_t FATFileHandle::write(const void* buffer, size_t length) {
gert_lauritsen 61:52a6d0ffd8e5 39 UINT n;
gert_lauritsen 61:52a6d0ffd8e5 40 FRESULT res = f_write(&_fh, buffer, length, &n);
gert_lauritsen 61:52a6d0ffd8e5 41 if (res) {
gert_lauritsen 61:52a6d0ffd8e5 42 debug_if(FFS_DBG, "f_write() failed: %d", res);
gert_lauritsen 61:52a6d0ffd8e5 43 return -1;
gert_lauritsen 61:52a6d0ffd8e5 44 }
gert_lauritsen 61:52a6d0ffd8e5 45 return n;
gert_lauritsen 61:52a6d0ffd8e5 46 }
gert_lauritsen 61:52a6d0ffd8e5 47
gert_lauritsen 61:52a6d0ffd8e5 48 ssize_t FATFileHandle::read(void* buffer, size_t length) {
gert_lauritsen 61:52a6d0ffd8e5 49 debug_if(FFS_DBG, "read(%d)\n", length);
gert_lauritsen 61:52a6d0ffd8e5 50 UINT n;
gert_lauritsen 61:52a6d0ffd8e5 51 FRESULT res = f_read(&_fh, buffer, length, &n);
gert_lauritsen 61:52a6d0ffd8e5 52 if (res) {
gert_lauritsen 61:52a6d0ffd8e5 53 debug_if(FFS_DBG, "f_read() failed: %d\n", res);
gert_lauritsen 61:52a6d0ffd8e5 54 return -1;
gert_lauritsen 61:52a6d0ffd8e5 55 }
gert_lauritsen 61:52a6d0ffd8e5 56 return n;
gert_lauritsen 61:52a6d0ffd8e5 57 }
gert_lauritsen 61:52a6d0ffd8e5 58
gert_lauritsen 61:52a6d0ffd8e5 59 int FATFileHandle::isatty() {
gert_lauritsen 61:52a6d0ffd8e5 60 return 0;
gert_lauritsen 61:52a6d0ffd8e5 61 }
gert_lauritsen 61:52a6d0ffd8e5 62
gert_lauritsen 61:52a6d0ffd8e5 63 off_t FATFileHandle::lseek(off_t position, int whence) {
gert_lauritsen 61:52a6d0ffd8e5 64 if (whence == SEEK_END) {
gert_lauritsen 61:52a6d0ffd8e5 65 position += _fh.fsize;
gert_lauritsen 61:52a6d0ffd8e5 66 } else if(whence==SEEK_CUR) {
gert_lauritsen 61:52a6d0ffd8e5 67 position += _fh.fptr;
gert_lauritsen 61:52a6d0ffd8e5 68 }
gert_lauritsen 61:52a6d0ffd8e5 69 FRESULT res = f_lseek(&_fh, position);
gert_lauritsen 61:52a6d0ffd8e5 70 if (res) {
gert_lauritsen 61:52a6d0ffd8e5 71 debug_if(FFS_DBG, "lseek failed: %d\n", res);
gert_lauritsen 61:52a6d0ffd8e5 72 return -1;
gert_lauritsen 61:52a6d0ffd8e5 73 } else {
gert_lauritsen 61:52a6d0ffd8e5 74 debug_if(FFS_DBG, "lseek OK, returning %i\n", _fh.fptr);
gert_lauritsen 61:52a6d0ffd8e5 75 return _fh.fptr;
gert_lauritsen 61:52a6d0ffd8e5 76 }
gert_lauritsen 61:52a6d0ffd8e5 77 }
gert_lauritsen 61:52a6d0ffd8e5 78
gert_lauritsen 61:52a6d0ffd8e5 79 int FATFileHandle::fsync() {
gert_lauritsen 61:52a6d0ffd8e5 80 FRESULT res = f_sync(&_fh);
gert_lauritsen 61:52a6d0ffd8e5 81 if (res) {
gert_lauritsen 61:52a6d0ffd8e5 82 debug_if(FFS_DBG, "f_sync() failed: %d\n", res);
gert_lauritsen 61:52a6d0ffd8e5 83 return -1;
gert_lauritsen 61:52a6d0ffd8e5 84 }
gert_lauritsen 61:52a6d0ffd8e5 85 return 0;
gert_lauritsen 61:52a6d0ffd8e5 86 }
gert_lauritsen 61:52a6d0ffd8e5 87
gert_lauritsen 61:52a6d0ffd8e5 88 off_t FATFileHandle::flen() {
gert_lauritsen 61:52a6d0ffd8e5 89 return _fh.fsize;
gert_lauritsen 61:52a6d0ffd8e5 90 }