xref: /aosp_15_r20/external/pigweed/pw_kvs/fake_flash_test_partition.cc (revision 61c4878ac05f98d0ceed94b57d316916de578985)
1 // Copyright 2020 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 //     https://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, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14 
15 #include "pw_kvs/fake_flash_memory.h"
16 #include "pw_kvs/flash_memory.h"
17 #include "pw_kvs/flash_test_partition.h"
18 
19 namespace pw::kvs {
20 
21 namespace {
22 
23 #if !defined(PW_FLASH_TEST_SECTORS) || (PW_FLASH_TEST_SECTORS <= 0)
24 #error PW_FLASH_TEST_SECTORS must be defined and > 0
25 #endif  // PW_FLASH_TEST_SECTORS
26 
27 #if !defined(PW_FLASH_TEST_SECTOR_SIZE) || (PW_FLASH_TEST_SECTOR_SIZE <= 0)
28 #error PW_FLASH_TEST_SECTOR_SIZE must be defined and > 0
29 #endif  // PW_FLASH_TEST_SECTOR_SIZE
30 
31 #if !defined(PW_FLASH_TEST_ALIGNMENT) || (PW_FLASH_TEST_ALIGNMENT <= 0)
32 #error PW_FLASH_TEST_ALIGNMENT must be defined and > 0
33 #endif  // PW_FLASH_TEST_ALIGNMENT
34 
35 constexpr size_t kFlashTestSectors = PW_FLASH_TEST_SECTORS;
36 constexpr size_t kFlashTestSectorSize = PW_FLASH_TEST_SECTOR_SIZE;
37 constexpr size_t kFlashTestAlignment = PW_FLASH_TEST_ALIGNMENT;
38 
39 // Use PW_FLASH_TEST_SECTORS x PW_FLASH_TEST_SECTOR_SIZE sectors,
40 // PW_FLASH_TEST_ALIGNMENT byte alignment.
41 FakeFlashMemoryBuffer<kFlashTestSectorSize, kFlashTestSectors> test_flash(
42     kFlashTestAlignment);
43 FlashPartition test_partition(&test_flash);
44 
45 }  // namespace
46 
FlashTestPartition()47 FlashPartition& FlashTestPartition() { return test_partition; }
48 
49 }  // namespace pw::kvs
50