src/platform/CYW30739/CYW30739Config.h

/*
 *
 *    Copyright (c) 2020 Project CHIP Authors
 *    Copyright (c) 2019-2020 Google LLC.
 *    Copyright (c) 2018 Nest Labs, Inc.
 *    All rights reserved.
 *
 *    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
 *          CYW30739 platforms.
 */

#pragma once

#include <platform/internal/CHIPDeviceLayerInternal.h>

namespace chip {
namespace DeviceLayer {
namespace Internal {

/**
 * Provides functions and definitions for accessing device configuration information.
 */
class CYW30739Config
{
public:
    using Key = uint32_t;

    // Key definitions for well-known keys.
    // Factory config keys
    static constexpr Key kConfigKey_SerialNum           = 0;
    static constexpr Key kConfigKey_MfrDeviceId         = 1;
    static constexpr Key kConfigKey_MfrDeviceCert       = 2;
    static constexpr Key kConfigKey_MfrDevicePrivateKey = 3;
    static constexpr Key kConfigKey_ManufacturingDate   = 4;
    static constexpr Key kConfigKey_SetupPinCode        = 5;
    static constexpr Key kConfigKey_MfrDeviceICACerts   = 6;
    static constexpr Key kConfigKey_SetupDiscriminator  = 7;
    // CHIP Config Keys
    static constexpr Key kConfigKey_FabricId           = 8;
    static constexpr Key kConfigKey_ServiceConfig      = 9;
    static constexpr Key kConfigKey_PairedAccountId    = 10;
    static constexpr Key kConfigKey_ServiceId          = 11;
    static constexpr Key kConfigKey_FabricSecret       = 12;
    static constexpr Key kConfigKey_LastUsedEpochKeyId = 13;
    static constexpr Key kConfigKey_FailSafeArmed      = 14;
    static constexpr Key kConfigKey_GroupKey           = 15;
    static constexpr Key kConfigKey_HardwareVersion    = 16;
    static constexpr Key kConfigKey_RegulatoryLocation = 17;
    static constexpr Key kConfigKey_CountryCode        = 18;
    static constexpr Key kConfigKey_ActiveLocale       = 19;
    static constexpr Key kConfigKey_HourFormat         = 20;
    static constexpr Key kConfigKey_CalendarType       = 21;
    static constexpr Key kConfigKey_Breadcrumb         = 22;

    // Set key id limits for each group.
    static constexpr Key kConfigKey_Base = kConfigKey_SerialNum;
    static constexpr Key kConfigKey_Max  = kConfigKey_Breadcrumb;

    static CHIP_ERROR Init(void);

    // Config value accessors.
    template <typename T>
    static CHIP_ERROR ReadConfigValue(Key key, 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 WriteConfigValue(Key key, uint32_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 ClearConfigValue(Key key);
    static bool ConfigValueExists(Key key);
    static CHIP_ERROR FactoryResetConfig(void);
    static void RunConfigUnitTest(void);
};

} // namespace Internal
} // namespace DeviceLayer
} // namespace chip