generic_switch.h

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/*
 * Copyright (c) 2023 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#pragma once
 
#include "matter_bridged_device.h"
 
class GenericSwitchDevice : public Nrf::MatterBridgedDevice {
public:
        GenericSwitchDevice(const char *uniqueID, const char *nodeLabel);
 
        uint16_t GetDeviceType() const override { return Nrf::MatterBridgedDevice::DeviceType::GenericSwitch; }
        CHIP_ERROR HandleRead(chip::ClusterId clusterId, chip::AttributeId attributeId, uint8_t *buffer,
                              uint16_t maxReadLength) override;
        CHIP_ERROR HandleAttributeChange(chip::ClusterId clusterId, chip::AttributeId attributeId, void *data,
                                         size_t dataSize) override;
        CHIP_ERROR HandleWrite(chip::ClusterId clusterId, chip::AttributeId attributeId, uint8_t *buffer,
                               size_t size) override
        {
                if (clusterId != chip::app::Clusters::BridgedDeviceBasicInformation::Id) {
                        return CHIP_ERROR_INVALID_ARGUMENT;
                }
 
                switch (attributeId) {
                case chip::app::Clusters::BridgedDeviceBasicInformation::Attributes::NodeLabel::Id:
                        return HandleWriteDeviceBasicInformation(clusterId, attributeId, buffer, size);
                default:
                        return CHIP_ERROR_INVALID_ARGUMENT;
                }
                return CHIP_NO_ERROR;
        };
 
private:
        CHIP_ERROR HandleReadSwitch(chip::AttributeId attributeId, uint8_t *buffer, uint16_t maxReadLength);
 
        static constexpr uint16_t GetSwitchClusterRevision() { return 2; }
        /* According to the Matter 1.2 specification: Bit 1 -> MomentarySwitch in the Switch Cluster section. */
        static constexpr uint32_t GetSwitchClusterFeatureMap() { return 2; }
        static constexpr uint32_t GetSwitchClusterNumberOfPositions() { return 2; }
 
        uint8_t mCurrentPosition{};
};