Jonne Valola / PokittoLib Featured

PokittoLib is the library needed for programming the Pokitto DIY game console (www.pokitto.com)

Dependents:   YATTT sd_map_test cPong SnowDemo ... more

PokittoLib

Library for programming Pokitto hardware

How to Use

  1. Import this library to online compiler (see button "import" on the right hand side
  2. DO NOT import mbed-src anymore, a better version is now included inside PokittoLib
  3. Change My_settings.h according to your project
  4. Start coding!

mbed-pokitto/common/FileSystemLike.cpp@71:531419862202, 2019-12-25 (annotated)

Committer:
Pokitto
Date:
Wed Dec 25 23:59:52 2019 +0000
Revision:
71:531419862202
Parent:
5:ea7377f3d1af 
Changed Mode2 C++ refresh code (graphical errors)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pokitto 5:ea7377f3d1af 1 /* mbed Microcontroller Library
Pokitto 5:ea7377f3d1af 2 * Copyright (c) 2006-2013 ARM Limited
Pokitto 5:ea7377f3d1af 3 *
Pokitto 5:ea7377f3d1af 4 * Licensed under the Apache License, Version 2.0 (the "License");
Pokitto 5:ea7377f3d1af 5 * you may not use this file except in compliance with the License.
Pokitto 5:ea7377f3d1af 6 * You may obtain a copy of the License at
Pokitto 5:ea7377f3d1af 7 *
Pokitto 5:ea7377f3d1af 8 * http://www.apache.org/licenses/LICENSE-2.0
Pokitto 5:ea7377f3d1af 9 *
Pokitto 5:ea7377f3d1af 10 * Unless required by applicable law or agreed to in writing, software
Pokitto 5:ea7377f3d1af 11 * distributed under the License is distributed on an "AS IS" BASIS,
Pokitto 5:ea7377f3d1af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Pokitto 5:ea7377f3d1af 13 * See the License for the specific language governing permissions and
Pokitto 5:ea7377f3d1af 14 * limitations under the License.
Pokitto 5:ea7377f3d1af 15 */
Pokitto 5:ea7377f3d1af 16 #include "FileSystemLike.h"
Pokitto 5:ea7377f3d1af 17
Pokitto 5:ea7377f3d1af 18 namespace mbed {
Pokitto 5:ea7377f3d1af 19
Pokitto 5:ea7377f3d1af 20 class BaseDirHandle : public DirHandle {
Pokitto 5:ea7377f3d1af 21 public:
Pokitto 5:ea7377f3d1af 22 /*
Pokitto 5:ea7377f3d1af 23 We keep track of our current location as the n'th object in the
Pokitto 5:ea7377f3d1af 24 FileSystemLike list. Using a Base* instead would cause problems if that
Pokitto 5:ea7377f3d1af 25 object were to be destroyed between readdirs.
Pokitto 5:ea7377f3d1af 26 Using this method does mean though that destroying/creating objects can
Pokitto 5:ea7377f3d1af 27 give unusual results from readdir.
Pokitto 5:ea7377f3d1af 28 */
Pokitto 5:ea7377f3d1af 29 off_t n;
Pokitto 5:ea7377f3d1af 30 struct dirent cur_entry;
Pokitto 5:ea7377f3d1af 31
Pokitto 5:ea7377f3d1af 32 BaseDirHandle() : n(0), cur_entry() {
Pokitto 5:ea7377f3d1af 33 }
Pokitto 5:ea7377f3d1af 34
Pokitto 5:ea7377f3d1af 35 virtual int closedir() {
Pokitto 5:ea7377f3d1af 36 delete this;
Pokitto 5:ea7377f3d1af 37 return 0;
Pokitto 5:ea7377f3d1af 38 }
Pokitto 5:ea7377f3d1af 39
Pokitto 5:ea7377f3d1af 40 virtual struct dirent *readdir() {
Pokitto 5:ea7377f3d1af 41 FileBase *ptr = FileBase::get(n);
Pokitto 5:ea7377f3d1af 42 if (ptr == NULL) return NULL;
Pokitto 5:ea7377f3d1af 43
Pokitto 5:ea7377f3d1af 44 /* Increment n, so next readdir gets the next item */
Pokitto 5:ea7377f3d1af 45 n++;
Pokitto 5:ea7377f3d1af 46
Pokitto 5:ea7377f3d1af 47 /* Setup cur entry and return a pointer to it */
Pokitto 5:ea7377f3d1af 48 std::strncpy(cur_entry.d_name, ptr->getName(), NAME_MAX);
Pokitto 5:ea7377f3d1af 49 return &cur_entry;
Pokitto 5:ea7377f3d1af 50 }
Pokitto 5:ea7377f3d1af 51
Pokitto 5:ea7377f3d1af 52 virtual off_t telldir() {
Pokitto 5:ea7377f3d1af 53 return n;
Pokitto 5:ea7377f3d1af 54 }
Pokitto 5:ea7377f3d1af 55
Pokitto 5:ea7377f3d1af 56 virtual void seekdir(off_t offset) {
Pokitto 5:ea7377f3d1af 57 n = offset;
Pokitto 5:ea7377f3d1af 58 }
Pokitto 5:ea7377f3d1af 59
Pokitto 5:ea7377f3d1af 60 virtual void rewinddir() {
Pokitto 5:ea7377f3d1af 61 n = 0;
Pokitto 5:ea7377f3d1af 62 }
Pokitto 5:ea7377f3d1af 63 };
Pokitto 5:ea7377f3d1af 64
Pokitto 5:ea7377f3d1af 65 FileSystemLike::FileSystemLike(const char *name) : FileBase(name, FileSystemPathType) {
Pokitto 5:ea7377f3d1af 66
Pokitto 5:ea7377f3d1af 67 }
Pokitto 5:ea7377f3d1af 68
Pokitto 5:ea7377f3d1af 69 FileSystemLike::~FileSystemLike() {
Pokitto 5:ea7377f3d1af 70
Pokitto 5:ea7377f3d1af 71 }
Pokitto 5:ea7377f3d1af 72
Pokitto 5:ea7377f3d1af 73 DirHandle *FileSystemLike::opendir() {
Pokitto 5:ea7377f3d1af 74 return new BaseDirHandle();
Pokitto 5:ea7377f3d1af 75 }
Pokitto 5:ea7377f3d1af 76
Pokitto 5:ea7377f3d1af 77 } // namespace mbed