1 /*
2 * Copyright (c) 2021 Bestechnic (Shanghai) Co., Ltd. All rights reserved.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #include "littlefs.h"
16 #include "flash.h"
17
littlefs_block_read(const struct lfs_config * c,lfs_block_t block,lfs_off_t off,void * dst,lfs_size_t size)18 int32_t littlefs_block_read(const struct lfs_config *c, lfs_block_t block,
19 lfs_off_t off, void *dst, lfs_size_t size)
20 {
21 uint32_t addr = c->block_size * block + off;
22 return hal_flash_read((hal_partition_t)c->context, &addr, dst, size);
23 }
24
littlefs_block_write(const struct lfs_config * c,lfs_block_t block,lfs_off_t off,const void * dst,lfs_size_t size)25 int32_t littlefs_block_write(const struct lfs_config *c, lfs_block_t block,
26 lfs_off_t off, const void *dst, lfs_size_t size)
27 {
28 uint32_t addr = c->block_size * block + off;
29 return hal_flash_write((hal_partition_t)c->context, &addr, dst, size);
30 }
31
littlefs_block_erase(const struct lfs_config * c,lfs_block_t block)32 int32_t littlefs_block_erase(const struct lfs_config *c, lfs_block_t block)
33 {
34 uint32_t addr = c->block_size * block;
35 return hal_flash_erase((hal_partition_t)c->context, addr, c->block_size);
36 }
37
littlefs_block_sync(const struct lfs_config * c)38 int32_t littlefs_block_sync(const struct lfs_config *c)
39 {
40 return 0;
41 }
42