batteryIndicator.h

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/* Copyright 2014 CyberTech Labs Ltd.
 *
 * 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 <QtCore/qglobal.h>
#include <QtCore/QTimer>

#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
    #include <QtGui/QLabel>
#else
    #include <QtWidgets/QLabel>
#endif

#include <trikControl/brickInterface.h>
#include "powerLevel.h"

namespace trikGui {

class BatteryIndicator : public QLabel
{
    Q_OBJECT

public:
    explicit BatteryIndicator(trikControl::BrickInterface &brick, QWidget *parent = 0);

private slots:
    void renew();

private:
    float warningThreshold() const;

    float shutdownThreshold() const;

    trikControl::BrickInterface &mBrick;

    QTimer mRenewTimer;

    const int mRenewInterval = 60 * 1000;

    PowerLevel::Level mCurrentLevel;

    const float m12VWarningThreshold = 10.9;

    const float m12VShutdownThreshold = 10.4;

    const float m6VWarningThreshold = 7.1;

    const float m6VShutdownThreshold = 6.8;

    const float mSanityThreshold = 1.0;
};

}