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131 lines
3.7 KiB
C++
131 lines
3.7 KiB
C++
/*
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FileSystem.h - SPIFS implementation for esp8266
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Copyright (c) 2015 Hristo Gochkov. All rights reserved.
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This file is part of the esp8266 core for Arduino environment.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _SPIFFS_CORE_FILESYSTEM_H_
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#define _SPIFFS_CORE_FILESYSTEM_H_
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#include <memory>
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#include "spiffs/spiffs.h"
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#include "Arduino.h"
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#define FSFILE_READ SPIFFS_RDONLY
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#define FSFILE_WRITE (SPIFFS_RDONLY | SPIFFS_WRONLY | SPIFFS_CREAT | SPIFFS_APPEND )
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#define FSFILE_OVERWRITE (SPIFFS_RDONLY | SPIFFS_WRONLY | SPIFFS_CREAT | SPIFFS_APPEND | SPIFFS_TRUNC )
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class FSFile : public Stream {
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private:
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spiffs_stat _stats;
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file_t _file;
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spiffs_DIR _dir;
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spiffs * _fs;
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public:
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FSFile(spiffs* fs, String path);
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FSFile(spiffs* fs, file_t f);
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FSFile(void);
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virtual size_t write(uint8_t);
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virtual size_t write(const uint8_t *buf, size_t size);
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virtual int read();
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virtual int peek();
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virtual int available();
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virtual void flush();
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int read(void *buf, uint16_t nbyte);
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uint32_t seek(uint32_t pos);
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uint32_t position();
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uint32_t size();
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bool eof();
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void close();
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bool remove();
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int lastError();
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void clearError();
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operator bool() { return _file > 0; }
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char * name();
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bool isDirectory(void);
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void rewindDirectory(void);
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FSFile openNextFile(void);
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template<typename T> size_t write(T &src){
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const size_t bufferSize = 64;
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uint8_t obuf[bufferSize];
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size_t bytesWritten = 0;
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while (true){
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size_t available = src.available();
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if(!available)
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return bytesWritten;
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size_t willWrite = (available < bufferSize) ? available : bufferSize;
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src.read(obuf, willWrite);
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size_t cb = write(obuf, willWrite);
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if (cb != willWrite) {
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return bytesWritten;
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}
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bytesWritten += cb;
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}
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return bytesWritten;
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}
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using Print::write;
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};
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class FSClass {
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public:
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FSClass(uint32_t beginAddress, uint32_t endAddress, uint32_t maxOpenFiles);
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bool mount();
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void unmount();
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bool format();
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bool check();
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bool exists(char *filename);
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bool create(char *filepath);
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bool remove(char *filepath);
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bool rename(char *filename, char *newname);
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size_t totalBytes();
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size_t usedBytes();
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size_t size(){ return _fs.cfg.phys_size; }
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size_t blockSize(){ return _fs.cfg.log_block_size; }
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size_t totalBlocks(){ return _fs.block_count; }
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size_t freeBlocks(){ return _fs.free_blocks; }
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size_t pageSize(){ return _fs.cfg.log_page_size; }
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size_t allocatedPages(){ return _fs.stats_p_allocated; }
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size_t deletedPages(){ return _fs.stats_p_deleted; }
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FSFile open(char *filename, uint8_t mode = FSFILE_READ);
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FSFile open(spiffs_dirent* entry, uint8_t mode = FSFILE_READ);
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protected:
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int _mountInternal();
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std::unique_ptr<uint8_t[]> _work;
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std::unique_ptr<uint8_t[]> _fds;
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size_t _fdsSize;
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std::unique_ptr<uint8_t[]> _cache;
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size_t _cacheSize;
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uint32_t _beginAddress;
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uint32_t _endAddress;
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uint32_t _maxOpenFiles;
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spiffs _fs;
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private:
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friend class FSFile;
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};
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extern FSClass FS;
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#endif
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