1 /* 2 * Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without modification, 5 * are permitted provided that the following conditions are met: 6 * 7 * 1. Redistributions of source code must retain the above copyright notice, this list of 8 * conditions and the following disclaimer. 9 * 10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 11 * of conditions and the following disclaimer in the documentation and/or other materials 12 * provided with the distribution. 13 * 14 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific prior written 16 * permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 25 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 27 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 28 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef __FS_LOWLEVEL_H__ 32 #define __FS_LOWLEVEL_H__ 33 34 #include "los_config.h" 35 36 #if (LOSCFG_SUPPORT_LITTLEFS == 1) 37 #include "lfs.h" 38 #endif 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 #if (LOSCFG_SUPPORT_LITTLEFS == 1) 45 INT32 littlefs_block_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t off, VOID *dst, lfs_size_t size); 46 INT32 littlefs_block_write(const struct lfs_config *c, lfs_block_t block, 47 lfs_off_t off, const VOID *dst, lfs_size_t size); 48 INT32 littlefs_block_erase(const struct lfs_config *c, lfs_block_t block); 49 INT32 littlefs_block_sync(const struct lfs_config *c); 50 #endif 51 52 #ifdef __cplusplus 53 } 54 #endif 55 56 #endif 57