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/*
*
* Copyright (c) 2020 Project CHIP Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file
* Utilities for accessing persisted device configuration on
* platforms based on the mw320 SDK.
*/
#pragma once
#include <platform/internal/CHIPDeviceLayerInternal.h>
#include "FreeRTOS.h"
#include <functional>
namespace chip {
namespace DeviceLayer {
namespace Internal {
/* Base for the category calculation when determining the key IDs */
#define CATEGORY_BASE 0x01
constexpr inline uint16_t ConfigKey(uint8_t chipId, uint8_t id)
{
return static_cast<uint16_t>(((chipId) << 8) | (id & 0x3F));
}
/**
* This implementation uses the NVM component as the underlying storage layer.
*
* NOTE: This class is designed to be mixed-in to the concrete subclass of the
* GenericConfigurationManagerImpl<> template. When used this way, the class
* naturally provides implementations for the delegated members referenced by
* the template class (e.g. the ReadConfigValue() method).
*/
class MW320Config
{
public:
// Category ids used by the CHIP Device Layer
static constexpr uint8_t kFileId_ChipFactory = CATEGORY_BASE; /**< Category containing persistent config values set at
* manufacturing time. Retained during factory reset. */
static constexpr uint8_t kFileId_ChipConfig = CATEGORY_BASE + 1; /**< Catyegory containing dynamic config values set at runtime.
* Cleared during factory reset. */
static constexpr uint8_t kFileId_ChipCounter = CATEGORY_BASE + 2; /**< Category containing dynamic counter values set at
* runtime. Retained during factory reset. */
static constexpr uint8_t kFileId_KVS = CATEGORY_BASE + 3; /**< Category containing KVS set at runtime.
* Cleared during factory reset. */
static constexpr uint8_t kPDMId_ChipCounter = CATEGORY_BASE + 4; /**< Category containing KVS set at runtime.
* Cleared during factory reset. */
using Key = uint32_t;
// Key definitions for well-known configuration values.
// Factory Config Keys
static constexpr Key kConfigKey_SerialNum = ConfigKey(kFileId_ChipFactory, 0x00);
static constexpr Key kConfigKey_MfrDeviceId = ConfigKey(kFileId_ChipFactory, 0x01);
static constexpr Key kConfigKey_MfrDeviceCert = ConfigKey(kFileId_ChipFactory, 0x02);
static constexpr Key kConfigKey_MfrDevicePrivateKey = ConfigKey(kFileId_ChipFactory, 0x03);
static constexpr Key kConfigKey_ManufacturingDate = ConfigKey(kFileId_ChipFactory, 0x04);
static constexpr Key kConfigKey_SetupPinCode = ConfigKey(kFileId_ChipFactory, 0x05);
static constexpr Key kConfigKey_MfrDeviceICACerts = ConfigKey(kFileId_ChipFactory, 0x06);
static constexpr Key kConfigKey_HardwareVersion = ConfigKey(kFileId_ChipFactory, 0x07);
static constexpr Key kConfigKey_SetupDiscriminator = ConfigKey(kFileId_ChipFactory, 0x08);
static constexpr Key kConfigKey_Spake2pIterationCount = ConfigKey(kFileId_ChipFactory, 0x09);
static constexpr Key kConfigKey_Spake2pSalt = ConfigKey(kFileId_ChipFactory, 0x0A);
static constexpr Key kConfigKey_Spake2pVerifier = ConfigKey(kFileId_ChipFactory, 0x0B);
// CHIP Config Keys
static constexpr Key kConfigKey_FabricId = ConfigKey(kFileId_ChipConfig, 0x00);
static constexpr Key kConfigKey_ServiceConfig = ConfigKey(kFileId_ChipConfig, 0x01);
static constexpr Key kConfigKey_PairedAccountId = ConfigKey(kFileId_ChipConfig, 0x02);
static constexpr Key kConfigKey_ServiceId = ConfigKey(kFileId_ChipConfig, 0x03);
static constexpr Key kConfigKey_FabricSecret = ConfigKey(kFileId_ChipConfig, 0x04);
static constexpr Key kConfigKey_LastUsedEpochKeyId = ConfigKey(kFileId_ChipConfig, 0x05);
static constexpr Key kConfigKey_FailSafeArmed = ConfigKey(kFileId_ChipConfig, 0x06);
static constexpr Key kConfigKey_OperationalDeviceId = ConfigKey(kFileId_ChipConfig, 0x07);
static constexpr Key kConfigKey_OperationalDeviceCert = ConfigKey(kFileId_ChipConfig, 0x08);
static constexpr Key kConfigKey_OperationalDeviceICACerts = ConfigKey(kFileId_ChipConfig, 0x09);
static constexpr Key kConfigKey_OperationalDevicePrivateKey = ConfigKey(kFileId_ChipConfig, 0x0A);
static constexpr Key kConfigKey_RegulatoryLocation = ConfigKey(kFileId_ChipConfig, 0x0B);
static constexpr Key kConfigKey_CountryCode = ConfigKey(kFileId_ChipConfig, 0x0C);
// static constexpr Key kConfigKey_Breadcrumb = ConfigKey(kFileId_ChipConfig, 0x0D);
static constexpr Key kConfigKey_UniqueId = ConfigKey(kFileId_ChipConfig, 0x0D);
// CHIP Counter Keys
static constexpr Key kCounterKey_RebootCount = ConfigKey(kPDMId_ChipCounter, 0x00);
static constexpr Key kCounterKey_UpTime = ConfigKey(kPDMId_ChipCounter, 0x01);
static constexpr Key kCounterKey_TotalOperationalHours = ConfigKey(kPDMId_ChipCounter, 0x02);
static constexpr Key kCounterKey_BootReason = ConfigKey(kPDMId_ChipCounter, 0x03);
static constexpr Key kConfigKey_GroupKey = ConfigKey(kFileId_ChipConfig, 0x0E);
static constexpr Key kConfigKey_GroupKey0 = ConfigKey(kFileId_ChipConfig, 0x0F);
static constexpr Key kConfigKey_GroupKey1 = ConfigKey(kFileId_ChipConfig, 0x10);
static constexpr Key kConfigKey_GroupKey2 = ConfigKey(kFileId_ChipConfig, 0x11);
static constexpr Key kConfigKey_GroupKey3 = ConfigKey(kFileId_ChipConfig, 0x12);
static constexpr Key kConfigKey_GroupKey4 = ConfigKey(kFileId_ChipConfig, 0x13);
static constexpr Key kConfigKey_GroupKey5 = ConfigKey(kFileId_ChipConfig, 0x14);
static constexpr Key kConfigKey_GroupKey6 = ConfigKey(kFileId_ChipConfig, 0x15);
static constexpr Key kConfigKey_GroupKey7 = ConfigKey(kFileId_ChipConfig, 0x16);
static constexpr Key kConfigKey_GroupKey8 = ConfigKey(kFileId_ChipConfig, 0x17);
static constexpr Key kConfigKey_GroupKey9 = ConfigKey(kFileId_ChipConfig, 0x18);
static constexpr Key kConfigKey_GroupKey10 = ConfigKey(kFileId_ChipConfig, 0x19);
static constexpr Key kConfigKey_GroupKey11 = ConfigKey(kFileId_ChipConfig, 0x1A);
static constexpr Key kConfigKey_GroupKey12 = ConfigKey(kFileId_ChipConfig, 0x1B);
static constexpr Key kConfigKey_GroupKey13 = ConfigKey(kFileId_ChipConfig, 0x1C);
static constexpr Key kConfigKey_GroupKey14 = ConfigKey(kFileId_ChipConfig, 0x1D);
static constexpr Key kConfigKey_GroupKey15 = ConfigKey(kFileId_ChipConfig, 0x1E);
static constexpr Key kConfigKey_GroupKeyBase = kConfigKey_GroupKey0;
static constexpr Key kConfigKey_GroupKeyMax = ConfigKey(kFileId_ChipConfig, 0x1E);
; // Allows 16 Group Keys to be created.
// Set key id limits for each group.
static constexpr Key kMinConfigKey_ChipFactory = ConfigKey(kFileId_ChipFactory, 0x00);
static constexpr Key kMaxConfigKey_ChipFactory = ConfigKey(kFileId_ChipFactory, 0x0B);
static constexpr Key kMinConfigKey_ChipConfig = ConfigKey(kFileId_ChipConfig, 0x00);
static constexpr Key kMaxConfigKey_ChipConfig = ConfigKey(kFileId_ChipConfig, 0x1E);
static constexpr Key kMinConfigKey_ChipCounter = ConfigKey(kFileId_ChipCounter, 0x00);
static constexpr Key kMaxConfigKey_ChipCounter = ConfigKey(kFileId_ChipCounter, 0x1F); // Allows 32 Counters to be created.
static constexpr Key kMinConfigKey_KVS = ConfigKey(kFileId_KVS, 0x00);
static constexpr Key kMaxConfigKey_KVS = ConfigKey(kFileId_KVS, 0xFF);
static CHIP_ERROR Init(void);
// Configuration methods used by the GenericConfigurationManagerImpl<> template.
static CHIP_ERROR ReadConfigValue(Key key, bool & val);
static CHIP_ERROR ReadConfigValue(Key key, uint32_t & val);
static CHIP_ERROR ReadConfigValue(Key key, uint64_t & val);
static CHIP_ERROR ReadConfigValueStr(Key key, char * buf, size_t bufSize, size_t & outLen);
static CHIP_ERROR ReadConfigValueBin(Key key, uint8_t * buf, size_t bufSize, size_t & outLen);
static CHIP_ERROR ReadConfigValueCounter(const char * index, uint32_t & val);
static CHIP_ERROR WriteConfigValue(Key key, bool val);
static CHIP_ERROR WriteConfigValue(Key key, uint32_t val);
static CHIP_ERROR WriteConfigValue(Key key, uint64_t val);
static CHIP_ERROR WriteConfigValueStr(Key key, const char * str);
static CHIP_ERROR WriteConfigValueStr(Key key, const char * str, size_t strLen);
static CHIP_ERROR WriteConfigValueBin(Key key, const uint8_t * data, size_t dataLen);
static CHIP_ERROR WriteConfigValueCounter(uint8_t counterIdx, uint32_t val);
static CHIP_ERROR ClearConfigValue(Key key);
static bool ConfigValueExists(Key key);
static CHIP_ERROR FactoryResetConfig(void);
static bool ValidConfigKey(Key key);
static void RunConfigUnitTest(void);
protected:
using ForEachRecordFunct = std::function<CHIP_ERROR(const Key & key, const size_t & length)>;
static CHIP_ERROR ForEachRecord(Key firstKey, Key lastKey, bool addNewRecord, ForEachRecordFunct funct);
private:
static CHIP_ERROR FactoryResetConfigInternal(Key firstKey, Key lastKey);
};
} // namespace Internal
} // namespace DeviceLayer
} // namespace chip