com.github.pires.obd.commands.fuel.ConsumptionRateCommand Maven / Gradle / Ivy

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OBD Java API compatible with ELM327.

There is a newer version: 1.0

package com.github.pires.obd.commands.fuel;

import com.github.pires.obd.commands.ObdCommand;
import com.github.pires.obd.enums.AvailableCommandNames;

/**
 * Fuel Consumption Rate per hour.
 *
 * @author pires
 * @version $Id: $Id
 */
public class ConsumptionRateCommand extends ObdCommand {

    private float fuelRate = -1.0f;

    /**
     * Constructor for ConsumptionRateCommand.
     */
    public ConsumptionRateCommand() {
        super("01 5E");
    }

    /**
     * Constructor for ConsumptionRateCommand.
     *
     * @param other a {@link com.github.pires.obd.commands.fuel.ConsumptionRateCommand} object.
     */
    public ConsumptionRateCommand(ConsumptionRateCommand other) {
        super(other);
    }

    /** {@inheritDoc} */
    @Override
    protected void performCalculations() {
        // ignore first two bytes [hh hh] of the response
        fuelRate = (buffer.get(2) * 256 + buffer.get(3)) * 0.05f;
    }

    /** {@inheritDoc} */
    @Override
    public String getFormattedResult() {
        return String.format("%.1f%s", fuelRate, getResultUnit());
    }

    /** {@inheritDoc} */
    @Override
    public String getCalculatedResult() {
        return String.valueOf(fuelRate);
    }

    /** {@inheritDoc} */
    @Override
    public String getResultUnit() {
        return "L/h";
    }

    /**
     * getLitersPerHour.
     *
     * @return a float.
     */
    public float getLitersPerHour() {
        return fuelRate;
    }

    /** {@inheritDoc} */
    @Override
    public String getName() {
        return AvailableCommandNames.FUEL_CONSUMPTION_RATE.getValue();
    }

}