examples/all-clusters-minimal-app/nrfconnect/main/include/AppEvent.h

/*
 *    Copyright (c) 2022 Project CHIP Authors
 *    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.
 */

#pragma once

#include <cstdint>

class LEDWidget;

struct AppEvent
{
    using EventHandler = void (*)(AppEvent *);

    enum class Type : uint8_t
    {
        None,
        Button,
        Timer,
        UpdateLedState,
    };

    Type Type{ Type::None };

    union
    {
        struct
        {
            uint8_t PinNo;
            uint8_t Action;
        } ButtonEvent;
        struct
        {
            void * Context;
        } TimerEvent;
        struct
        {
            LEDWidget * LedWidget;
        } UpdateLedStateEvent;
    };

    EventHandler Handler;
};