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 // Utilities for building std::byte arrays from strings or integer values. 16 #pragma once 17 18 #include <cstddef> 19 20 // Which log level to use for pw_kvs logs. 21 #ifndef PW_KVS_LOG_LEVEL 22 #define PW_KVS_LOG_LEVEL PW_LOG_LEVEL_INFO 23 #endif // PW_KVS_LOG_LEVEL 24 25 // The maximum flash alignment supported. 26 #ifndef PW_KVS_MAX_FLASH_ALIGNMENT 27 #define PW_KVS_MAX_FLASH_ALIGNMENT 256UL 28 #endif // PW_KVS_MAX_FLASH_ALIGNMENT 29 30 static_assert((PW_KVS_MAX_FLASH_ALIGNMENT >= 16UL), 31 "Max flash alignment is required to be at least 16"); 32 33 // Whether to remove deleted keys in heavy maintanence. This feature costs some 34 // code size (>1KB) and is only necessary if arbitrary key names are used. 35 // Without this feature, deleted key entries can fill the KVS, making it 36 // impossible to add more keys, even though most keys are deleted. 37 #ifndef PW_KVS_REMOVE_DELETED_KEYS_IN_HEAVY_MAINTENANCE 38 #define PW_KVS_REMOVE_DELETED_KEYS_IN_HEAVY_MAINTENANCE 1 39 #endif // PW_KVS_REMOVE_DELETED_KEYS_IN_HEAVY_MAINTENANCE 40 41 namespace pw::kvs { 42 43 inline constexpr size_t kMaxFlashAlignment = PW_KVS_MAX_FLASH_ALIGNMENT; 44 45 } // namespace pw::kvs 46