examples/platform/nrfconnect/util/include/LEDUtil.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.
 */

#include "LEDWidget.h"

#include <array>

// A lightweight wrapper for unused LEDs
template <uint8_t size>
class UnusedLedsWrapper
{
public:
    using Gpio = uint32_t;
    using Leds = std::array<std::pair<Gpio, LEDWidget>, size>;

    explicit UnusedLedsWrapper(std::array<Gpio, size> aLeds)
    {
        auto idx{ 0 };
        for (const auto & led : aLeds)
            mLeds[idx++] = std::make_pair(led, LEDWidget());
        Init();
    }
    void Set(bool aState)
    {
        for (auto & led : mLeds)
            led.second.Set(aState);
    }
    void Blink(uint32_t aRate)
    {
        for (auto & led : mLeds)
            led.second.Blink(aRate);
    }

private:
    void Init()
    {
        LEDWidget::InitGpio();
        for (auto & led : mLeds)
            led.second.Init(led.first);
    }
    Leds mLeds;
};