Hideharu Tsunemoto / Mbed 2 deprecated SmallDoseMeter_Single_AE_LPC11U35

LPC11U35 ADC Tick & USBSerial

Dependencies:   mbed

Dependents:   SmallDoseMeter_SingleCH_AE_lpc11u35_V1_00

mbed/DirHandle.h@1:b1a3be5f48ab, 2018-02-19 (annotated)

Committer:
H_Tsunemoto
Date:
Mon Feb 19 09:09:52 2018 +0000
Revision:
1:b1a3be5f48ab
Parent:
0:871ab6846b18 
test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
H_Tsunemoto 0:871ab6846b18 1 /* mbed Microcontroller Library
H_Tsunemoto 0:871ab6846b18 2 * Copyright (c) 2006-2013 ARM Limited
H_Tsunemoto 0:871ab6846b18 3 *
H_Tsunemoto 0:871ab6846b18 4 * Licensed under the Apache License, Version 2.0 (the "License");
H_Tsunemoto 0:871ab6846b18 5 * you may not use this file except in compliance with the License.
H_Tsunemoto 0:871ab6846b18 6 * You may obtain a copy of the License at
H_Tsunemoto 0:871ab6846b18 7 *
H_Tsunemoto 0:871ab6846b18 8 * http://www.apache.org/licenses/LICENSE-2.0
H_Tsunemoto 0:871ab6846b18 9 *
H_Tsunemoto 0:871ab6846b18 10 * Unless required by applicable law or agreed to in writing, software
H_Tsunemoto 0:871ab6846b18 11 * distributed under the License is distributed on an "AS IS" BASIS,
H_Tsunemoto 0:871ab6846b18 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
H_Tsunemoto 0:871ab6846b18 13 * See the License for the specific language governing permissions and
H_Tsunemoto 0:871ab6846b18 14 * limitations under the License.
H_Tsunemoto 0:871ab6846b18 15 */
H_Tsunemoto 0:871ab6846b18 16 #ifndef MBED_DIRHANDLE_H
H_Tsunemoto 0:871ab6846b18 17 #define MBED_DIRHANDLE_H
H_Tsunemoto 0:871ab6846b18 18
H_Tsunemoto 0:871ab6846b18 19 #if defined(__ARMCC_VERSION) || defined(__ICCARM__)
H_Tsunemoto 0:871ab6846b18 20 # define NAME_MAX 255
H_Tsunemoto 0:871ab6846b18 21 typedef int mode_t;
H_Tsunemoto 0:871ab6846b18 22
H_Tsunemoto 0:871ab6846b18 23 #else
H_Tsunemoto 0:871ab6846b18 24 # include <sys/syslimits.h>
H_Tsunemoto 0:871ab6846b18 25 #endif
H_Tsunemoto 0:871ab6846b18 26
H_Tsunemoto 0:871ab6846b18 27 #include "FileHandle.h"
H_Tsunemoto 0:871ab6846b18 28
H_Tsunemoto 0:871ab6846b18 29 struct dirent {
H_Tsunemoto 0:871ab6846b18 30 char d_name[NAME_MAX+1];
H_Tsunemoto 0:871ab6846b18 31 };
H_Tsunemoto 0:871ab6846b18 32
H_Tsunemoto 0:871ab6846b18 33 namespace mbed {
H_Tsunemoto 0:871ab6846b18 34
H_Tsunemoto 0:871ab6846b18 35 /** Represents a directory stream. Objects of this type are returned
H_Tsunemoto 0:871ab6846b18 36 * by a FileSystemLike's opendir method. Implementations must define
H_Tsunemoto 0:871ab6846b18 37 * at least closedir, readdir and rewinddir.
H_Tsunemoto 0:871ab6846b18 38 *
H_Tsunemoto 0:871ab6846b18 39 * If a FileSystemLike class defines the opendir method, then the
H_Tsunemoto 0:871ab6846b18 40 * directories of an object of that type can be accessed by
H_Tsunemoto 0:871ab6846b18 41 * DIR *d = opendir("/example/directory") (or opendir("/example")
H_Tsunemoto 0:871ab6846b18 42 * to open the root of the filesystem), and then using readdir(d) etc.
H_Tsunemoto 0:871ab6846b18 43 *
H_Tsunemoto 0:871ab6846b18 44 * The root directory is considered to contain all FileLike and
H_Tsunemoto 0:871ab6846b18 45 * FileSystemLike objects, so the DIR* returned by opendir("/") will
H_Tsunemoto 0:871ab6846b18 46 * reflect this.
H_Tsunemoto 0:871ab6846b18 47 */
H_Tsunemoto 0:871ab6846b18 48 class DirHandle {
H_Tsunemoto 0:871ab6846b18 49
H_Tsunemoto 0:871ab6846b18 50 public:
H_Tsunemoto 0:871ab6846b18 51 /** Closes the directory.
H_Tsunemoto 0:871ab6846b18 52 *
H_Tsunemoto 0:871ab6846b18 53 * @returns
H_Tsunemoto 0:871ab6846b18 54 * 0 on success,
H_Tsunemoto 0:871ab6846b18 55 * -1 on error.
H_Tsunemoto 0:871ab6846b18 56 */
H_Tsunemoto 0:871ab6846b18 57 virtual int closedir()=0;
H_Tsunemoto 0:871ab6846b18 58
H_Tsunemoto 0:871ab6846b18 59 /** Return the directory entry at the current position, and
H_Tsunemoto 0:871ab6846b18 60 * advances the position to the next entry.
H_Tsunemoto 0:871ab6846b18 61 *
H_Tsunemoto 0:871ab6846b18 62 * @returns
H_Tsunemoto 0:871ab6846b18 63 * A pointer to a dirent structure representing the
H_Tsunemoto 0:871ab6846b18 64 * directory entry at the current position, or NULL on reaching
H_Tsunemoto 0:871ab6846b18 65 * end of directory or error.
H_Tsunemoto 0:871ab6846b18 66 */
H_Tsunemoto 0:871ab6846b18 67 virtual struct dirent *readdir()=0;
H_Tsunemoto 0:871ab6846b18 68
H_Tsunemoto 0:871ab6846b18 69 /** Resets the position to the beginning of the directory.
H_Tsunemoto 0:871ab6846b18 70 */
H_Tsunemoto 0:871ab6846b18 71 virtual void rewinddir()=0;
H_Tsunemoto 0:871ab6846b18 72
H_Tsunemoto 0:871ab6846b18 73 /** Returns the current position of the DirHandle.
H_Tsunemoto 0:871ab6846b18 74 *
H_Tsunemoto 0:871ab6846b18 75 * @returns
H_Tsunemoto 0:871ab6846b18 76 * the current position,
H_Tsunemoto 0:871ab6846b18 77 * -1 on error.
H_Tsunemoto 0:871ab6846b18 78 */
H_Tsunemoto 0:871ab6846b18 79 virtual off_t telldir() { return -1; }
H_Tsunemoto 0:871ab6846b18 80
H_Tsunemoto 0:871ab6846b18 81 /** Sets the position of the DirHandle.
H_Tsunemoto 0:871ab6846b18 82 *
H_Tsunemoto 0:871ab6846b18 83 * @param location The location to seek to. Must be a value returned by telldir.
H_Tsunemoto 0:871ab6846b18 84 */
H_Tsunemoto 0:871ab6846b18 85 virtual void seekdir(off_t location) { }
H_Tsunemoto 0:871ab6846b18 86
H_Tsunemoto 0:871ab6846b18 87 virtual ~DirHandle() {}
H_Tsunemoto 0:871ab6846b18 88 };
H_Tsunemoto 0:871ab6846b18 89
H_Tsunemoto 0:871ab6846b18 90 } // namespace mbed
H_Tsunemoto 0:871ab6846b18 91
H_Tsunemoto 0:871ab6846b18 92 typedef mbed::DirHandle DIR;
H_Tsunemoto 0:871ab6846b18 93
H_Tsunemoto 0:871ab6846b18 94 extern "C" {
H_Tsunemoto 0:871ab6846b18 95 DIR *opendir(const char*);
H_Tsunemoto 0:871ab6846b18 96 struct dirent *readdir(DIR *);
H_Tsunemoto 0:871ab6846b18 97 int closedir(DIR*);
H_Tsunemoto 0:871ab6846b18 98 void rewinddir(DIR*);
H_Tsunemoto 0:871ab6846b18 99 long telldir(DIR*);
H_Tsunemoto 0:871ab6846b18 100 void seekdir(DIR*, long);
H_Tsunemoto 0:871ab6846b18 101 int mkdir(const char *name, mode_t n);
H_Tsunemoto 0:871ab6846b18 102 };
H_Tsunemoto 0:871ab6846b18 103
H_Tsunemoto 0:871ab6846b18 104 #endif /* MBED_DIRHANDLE_H */