acdriver.java

这是一个以JAVA编写的程序,本人还没有试过,是一个简单的温度控制系统

package net.sf.dz.device.actuator;

import java.io.IOException;

import org.freehold.jukebox.conf.Configurable;

/**
 * The actual HVAC unit driver.
 *
 * <p>
 *
 * The class implementing this interface controls the hardware. No sanity
 * checks are required, they are provided by {@link
 * net.sf.dz.device.actuator.impl.AC_Controller A/C controller}. Same goes
 * for timings - the operations performed by this class may have to be as
 * slow as it takes, it is irrelevant.
 *
 * @author Copyright &copy; <a href="mailto:[e-mail]">Vadim Tkachenko</a> 2001-2002
 * @version $Id: ACDriver.java,v 1.1 2002/05/06 06:19:22 vtt Exp $
 */
public interface ACDriver extends Configurable {

    /**
     * Set the unit mode.
     *
     * @param mode Operating mode. -1 is cooling, 0 is off, 1 is heating.
     * Actually, the switch is only between cooling and heating, but
     * different units may have different rules (the contact is energized
     * only for cooling, or only for heating).
     *
     * @exception IOException if there was a problem talking to the hardware.
     */
    public void setMode(int mode) throws IOException;
    
    /**
     * Set the unit stage.
     *
     * FIXME: It is to be determined whether the sign of the stage changes with the mode.
     *
     * @param stage A/C stage. For single stage units, 0 is off, 1 is on.
     * For multistage units, it is 0, 1, 2 and so on.
     *
     * @exception IOException if there was a problem talking to the hardware.
     */
    public void setStage(int stage) throws IOException;

    /**
     * Set the fan speed.
     *
     * @param speed Fan speed. For single speed fan, 0 is off, 1 is on. For
     * variable speed or multispeed fans, 0 is off, 1 is full, anything in
     * between defines the actual speed. Since both variable speed and
     * multispeed fans have some preset values, it is up to the
     * implementation to define the rounding rules.
     *
     * @exception IOException if there was a problem talking to the hardware.
     */
    public void setFanSpeed(double speed) throws IOException;
}