[11U68]fix P0_11 to use GPIO
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LocalFileSystem.h
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2006-2013 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 #ifndef MBED_LOCALFILESYSTEM_H 00017 #define MBED_LOCALFILESYSTEM_H 00018 00019 #include "platform.h" 00020 00021 #if DEVICE_LOCALFILESYSTEM 00022 00023 #include "FileSystemLike.h" 00024 00025 namespace mbed { 00026 00027 FILEHANDLE local_file_open(const char* name, int flags); 00028 00029 class LocalFileHandle : public FileHandle { 00030 00031 public: 00032 LocalFileHandle(FILEHANDLE fh); 00033 00034 virtual int close(); 00035 00036 virtual ssize_t write(const void *buffer, size_t length); 00037 00038 virtual ssize_t read(void *buffer, size_t length); 00039 00040 virtual int isatty(); 00041 00042 virtual off_t lseek(off_t position, int whence); 00043 00044 virtual int fsync(); 00045 00046 virtual off_t flen(); 00047 00048 protected: 00049 FILEHANDLE _fh; 00050 int pos; 00051 }; 00052 00053 /** A filesystem for accessing the local mbed Microcontroller USB disk drive 00054 * 00055 * This allows programs to read and write files on the same disk drive that is used to program the 00056 * mbed Microcontroller. Once created, the standard C file access functions are used to open, 00057 * read and write files. 00058 * 00059 * Example: 00060 * @code 00061 * #include "mbed.h" 00062 * 00063 * LocalFileSystem local("local"); // Create the local filesystem under the name "local" 00064 * 00065 * int main() { 00066 * FILE *fp = fopen("/local/out.txt", "w"); // Open "out.txt" on the local file system for writing 00067 * fprintf(fp, "Hello World!"); 00068 * fclose(fp); 00069 * remove("/local/out.txt"); // Removes the file "out.txt" from the local file system 00070 * 00071 * DIR *d = opendir("/local"); // Opens the root directory of the local file system 00072 * struct dirent *p; 00073 * while((p = readdir(d)) != NULL) { // Print the names of the files in the local file system 00074 * printf("%s\n", p->d_name); // to stdout. 00075 * } 00076 * closedir(d); 00077 * } 00078 * @endcode 00079 * 00080 * @note 00081 * If the microcontroller program makes an access to the local drive, it will be marked as "removed" 00082 * on the Host computer. This means it is no longer accessible from the Host Computer. 00083 * 00084 * The drive will only re-appear when the microcontroller program exists. Note that if the program does 00085 * not exit, you will need to hold down reset on the mbed Microcontroller to be able to see the drive again! 00086 */ 00087 class LocalFileSystem : public FileSystemLike { 00088 00089 public: 00090 LocalFileSystem(const char* n) : FileSystemLike(n) { 00091 00092 } 00093 00094 virtual FileHandle *open(const char* name, int flags); 00095 virtual int remove(const char *filename); 00096 virtual DirHandle *opendir(const char *name); 00097 }; 00098 00099 } // namespace mbed 00100 00101 #endif 00102 00103 #endif
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