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69 lines
2.8 KiB
C
69 lines
2.8 KiB
C
/*
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* SPDX-License-Identifier: MIT
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*
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* Copyright (C) 2013-2024 OpenMV, LLC.
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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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* Filesystem helper functions.
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*/
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#ifndef __FILE_UTILS_H__
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#define __FILE_UTILS_H__
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#include <stdint.h>
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#include <stdbool.h>
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#include <ff.h>
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void file_raise_format(FIL *fp);
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void file_raise_corrupted(FIL *fp);
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void file_raise_error(FIL *fp, FRESULT res);
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// These low-level functions/wrappers don't use file buffering,
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// and they don't raise any exceptions, so they're safe to call
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// from anywhere.
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FRESULT file_ll_open(FIL *fp, const TCHAR *path, BYTE mode);
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FRESULT file_ll_close(FIL *fp);
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FRESULT file_ll_read(FIL *fp, void *buff, UINT btr, UINT *br);
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FRESULT file_ll_write(FIL *fp, const void *buff, UINT btw, UINT *bw);
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FRESULT file_ll_opendir(FF_DIR *dp, const TCHAR *path);
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FRESULT file_ll_stat(const TCHAR *path, FILINFO *fno);
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FRESULT file_ll_mkdir(const TCHAR *path);
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FRESULT file_ll_unlink(const TCHAR *path);
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FRESULT file_ll_rename(const TCHAR *path_old, const TCHAR *path_new);
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FRESULT file_ll_touch(const TCHAR *path);
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// File buffer functions.
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void file_buffer_init0();
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void file_buffer_on(FIL *fp); // Calls fb_alloc_all()
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void file_buffer_off(FIL *fp); // Calls fb_free()
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void file_open(FIL *fp, const char *path, bool buffered, uint32_t flags);
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void file_close(FIL *fp);
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void file_seek(FIL *fp, UINT offset);
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void file_truncate(FIL *fp);
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void file_sync(FIL *fp);
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uint32_t file_tell(FIL *fp);
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uint32_t file_size(FIL *fp);
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void file_read(FIL *fp, void *data, size_t size);
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void file_write(FIL *fp, const void *data, size_t size);
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void file_write_byte(FIL *fp, uint8_t value);
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void file_write_short(FIL *fp, uint16_t value);
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void file_write_long(FIL *fp, uint32_t value);
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void file_read_check(FIL *fp, const void *data, size_t size);
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const char *file_strerror(FRESULT res);
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#endif /* __FILE_UTILS_H__ */
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