F32RFileHandle.h

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2017 ARM Limited
00003  *
00004  * Permission is hereby granted, free of charge, to any person obtaining a copy
00005  * of this software and associated documentation files (the "Software"), to deal
00006  * in the Software without restriction, including without limitation the rights
00007  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00008  * copies of the Software, and to permit persons to whom the Software is
00009  * furnished to do so, subject to the following conditions:
00010  *
00011  * The above copyright notice and this permission notice shall be included in
00012  * all copies or substantial portions of the Software.
00013  *
00014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00017  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00018  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00019  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
00020  * SOFTWARE.
00021  */
00022 #ifndef MBED_F32R_FILEHANDLE_H
00023 #define MBED_F32R_FILEHANDLE_H
00024 
00025 #include "FileHandle.h"
00026 #include "F32RFileSystem.h"
00027 
00028 using namespace mbed;
00029 
00030 class F32RFileHandle : public FileHandle {
00031 public:
00032     F32RFileHandle(F32RFileSystem& fs, uint32_t d);
00033     virtual int close();
00034     virtual ssize_t write(const void* buffer, size_t length);
00035     virtual ssize_t read(void* buffer, size_t length);
00036     virtual int isatty();
00037     virtual off_t lseek(off_t position, int whence);
00038     virtual int fsync();
00039     virtual off_t flen();
00040 
00041 private:
00042     F32RFileSystem& fs;
00043     cluster_t cluster;
00044     uint32_t pos;
00045     filesize_t file_length;
00046 };
00047 
00048 #endif // MBED_F32R_FILEHANDLE_H