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3148e7277d
* Fix a couple of warnings * fix build error --------- Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
109 lines
2.9 KiB
C++
109 lines
2.9 KiB
C++
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef STM32_LITTLEFS_FILE_H_
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#define STM32_LITTLEFS_FILE_H_
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#include "littlefs/lfs.h"
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// Forward declaration
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class STM32_LittleFS;
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namespace STM32_LittleFS_Namespace
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{
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// avoid conflict with other FileSystem FILE_READ/FILE_WRITE
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enum {
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FILE_O_READ = 0,
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FILE_O_WRITE = 1,
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};
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class File : public Stream
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{
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public:
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explicit File(STM32_LittleFS &fs);
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File(char const *filename, uint8_t mode, STM32_LittleFS &fs);
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public:
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bool open(char const *filename, uint8_t mode);
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//------------- Stream API -------------//
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virtual size_t write(uint8_t ch);
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virtual size_t write(uint8_t const *buf, size_t size);
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size_t write(const char *str)
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{
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if (str == NULL)
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return 0;
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return write((const uint8_t *)str, strlen(str));
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}
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size_t write(const char *buffer, size_t size) { return write((const uint8_t *)buffer, size); }
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virtual int read(void);
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int read(void *buf, uint16_t nbyte);
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virtual int peek(void);
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virtual int available(void);
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virtual void flush(void);
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bool seek(uint32_t pos);
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uint32_t position(void);
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uint32_t size(void);
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bool truncate(uint32_t pos);
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bool truncate(void);
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void close(void);
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operator bool(void);
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bool isOpen(void);
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char const *name(void);
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bool isDirectory(void);
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File openNextFile(uint8_t mode = FILE_O_READ);
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void rewindDirectory(void);
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private:
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STM32_LittleFS *_fs;
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bool _is_dir;
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union {
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lfs_file_t *_file;
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lfs_dir_t *_dir;
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};
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char *_dir_path;
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char _name[LFS_NAME_MAX + 1];
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bool _open(char const *filepath, uint8_t mode);
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bool _open_file(char const *filepath, uint8_t mode);
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bool _open_dir(char const *filepath);
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void _close(void);
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};
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} // namespace STM32_LittleFS_Namespace
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#endif /* STM32_LITTLEFS_FILE_H_ */
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