/* * This file is part of the OpenMV project. * Copyright (c) 2013-2023 Kwabena W. Agyeman * This work is licensed under the MIT license, see the file LICENSE for details. * * Filesystem helper functions. * */ #ifndef __FILE_UTILS_H__ #define __FILE_UTILS_H__ #include #include #include extern const char *ffs_strerror(FRESULT res); void file_raise_format(FIL *fp); void file_raise_corrupted(FIL *fp); void file_raise_error(FIL *fp, FRESULT res); // These low-level functions/wrappers don't use file buffering, // and they don't raise any exceptions, so they're safe to call // from anywhere. FRESULT file_ll_open(FIL *fp, const TCHAR *path, BYTE mode); FRESULT file_ll_close(FIL *fp); FRESULT file_ll_read(FIL *fp, void *buff, UINT btr, UINT *br); FRESULT file_ll_write(FIL *fp, const void *buff, UINT btw, UINT *bw); FRESULT file_ll_opendir(FF_DIR *dp, const TCHAR *path); FRESULT file_ll_stat(const TCHAR *path, FILINFO *fno); FRESULT file_ll_mkdir(const TCHAR *path); FRESULT file_ll_unlink(const TCHAR *path); FRESULT file_ll_rename(const TCHAR *path_old, const TCHAR *path_new); FRESULT file_ll_touch(const TCHAR *path); // File buffer functions. void file_buffer_init0(); void file_buffer_on(FIL *fp); // Calls fb_alloc_all() void file_buffer_off(FIL *fp); // Calls fb_free() void file_open(FIL *fp, const char *path, bool buffered, uint32_t flags); void file_close(FIL *fp); void file_seek(FIL *fp, UINT offset); void file_truncate(FIL *fp); void file_sync(FIL *fp); uint32_t file_tell(FIL *fp); uint32_t file_size(FIL *fp); void file_read(FIL *fp, void *data, size_t size); void file_write(FIL *fp, const void *data, size_t size); void file_write_byte(FIL *fp, uint8_t value); void file_write_short(FIL *fp, uint16_t value); void file_write_long(FIL *fp, uint32_t value); void file_read_check(FIL *fp, const void *data, size_t size); #endif /* __FILE_UTILS_H__ */