mirror of
https://github.com/arduino/Arduino.git
synced 2024-12-10 21:24:12 +01:00
102 lines
2.6 KiB
C++
102 lines
2.6 KiB
C++
/*
|
|
Copyright (c) 2013 Arduino LLC. All right reserved.
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef __FILEIO_H__
|
|
#define __FILEIO_H__
|
|
|
|
#include <Process.h>
|
|
|
|
#define FILE_READ 0
|
|
#define FILE_WRITE 1
|
|
#define FILE_APPEND 2
|
|
|
|
class File : public Stream {
|
|
|
|
public:
|
|
File(BridgeClass &b = Bridge);
|
|
File(const char *_filename, uint8_t _mode, BridgeClass &b = Bridge);
|
|
~File();
|
|
|
|
virtual size_t write(uint8_t);
|
|
virtual size_t write(const uint8_t *buf, size_t size);
|
|
virtual int read();
|
|
virtual int peek();
|
|
virtual int available();
|
|
virtual void flush();
|
|
int read(void *buf, uint16_t nbyte);
|
|
boolean seek(uint32_t pos);
|
|
uint32_t position();
|
|
uint32_t size();
|
|
void close();
|
|
operator bool();
|
|
const char * name();
|
|
|
|
boolean iFileSystemirectory(void);
|
|
File openNextFile(uint8_t mode = FILE_READ);
|
|
void rewindDirectory(void);
|
|
|
|
//using Print::write;
|
|
|
|
private:
|
|
void doBuffer();
|
|
uint8_t buffered;
|
|
uint8_t readPos;
|
|
static const int BUFFER_SIZE = 64;
|
|
uint8_t buffer[BUFFER_SIZE];
|
|
|
|
private:
|
|
BridgeClass &bridge;
|
|
String filename;
|
|
uint8_t mode;
|
|
uint8_t handle;
|
|
};
|
|
|
|
class FileSystemClass {
|
|
public:
|
|
FileSystemClass() : bridge(Bridge) { }
|
|
FileSystemClass(BridgeClass &_b) : bridge(_b) { }
|
|
|
|
boolean begin();
|
|
|
|
// Open the specified file/directory with the supplied mode (e.g. read or
|
|
// write, etc). Returns a File object for interacting with the file.
|
|
// Note that currently only one file can be open at a time.
|
|
File open(const char *filename, uint8_t mode = FILE_READ);
|
|
|
|
// Methods to determine if the requested file path exists.
|
|
boolean exists(const char *filepath);
|
|
|
|
// Create the requested directory heirarchy--if intermediate directories
|
|
// do not exist they will be created.
|
|
boolean mkdir(const char *filepath);
|
|
|
|
// Delete the file.
|
|
boolean remove(const char *filepath);
|
|
|
|
boolean rmdir(const char *filepath);
|
|
|
|
private:
|
|
friend class File;
|
|
|
|
BridgeClass &bridge;
|
|
};
|
|
|
|
extern FileSystemClass FileSystem;
|
|
|
|
#endif
|