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esp8266/cores/esp8266/FileSystem.h
2015-05-14 16:37:13 +03:00

103 lines
2.7 KiB
C++
Executable File

/*
FileSystem.h - SPIFS implementation for esp8266
Copyright (c) 2015 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
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 _SPIFFS_CORE_FILESYSTEM_H_
#define _SPIFFS_CORE_FILESYSTEM_H_
#include "spiffs/spiffs.h"
#include "Arduino.h"
class String;
#define FSFILE_READ SPIFFS_RDONLY
#define FSFILE_WRITE (SPIFFS_RDONLY | SPIFFS_WRONLY | SPIFFS_CREAT | SPIFFS_APPEND | SPIFFS_TRUNC)
class FSFile : public Stream {
private:
spiffs_stat _stats;
file_t _file;
public:
FSFile(file_t f);
FSFile(void);
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);
uint32_t seek(uint32_t pos);
uint32_t remove();
uint32_t position();
uint32_t size();
bool eof();
void close();
int lastError();
void clearError();
operator bool() { return _file > 0; }
char * name();
bool isDirectory(void);
template<typename T> size_t write(T &src){
const size_t bufferSize = 64;
uint8_t obuf[bufferSize];
size_t bytesWritten = 0;
while (true){
size_t available = src.available();
if(!available)
return bytesWritten;
size_t willWrite = (available < bufferSize) ? available : bufferSize;
src.read(obuf, willWrite);
size_t cb = write(obuf, willWrite);
if (cb != willWrite) {
return bytesWritten;
}
bytesWritten += cb;
}
return bytesWritten;
}
using Print::write;
};
class FSClass {
private:
bool _mounted = false;
public:
bool mount();
void unmount();
bool format();
bool exists(const char *filename);
bool create(const char *filepath);
bool remove(const char *filepath);
bool rename(const char *filename, const char *newname);
FSFile open(const char *filename, uint8_t mode = FSFILE_READ);
private:
friend class FSFile;
};
extern FSClass FS;
#endif