level.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

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package com.dalsemi.onewire.application.tag;

import com.dalsemi.onewire.adapter.DSPortAdapter;
import com.dalsemi.onewire.container.*;
import com.dalsemi.onewire.OneWireException;
import java.util.Vector;


/**
 * This class provides a default object for the Level type of a tagged 1-Wire device.
 */
public class Level
   extends    TaggedDevice
   implements TaggedSensor
{

   /**
    * Creates an object for the device.
    */
   public Level()
   {
      super();
   }

   /**
    * Creates an object for the device with the supplied address and device type connected
    * to the supplied port adapter.
    * @param adapter The adapter serving the sensor.
    * @param netAddress The 1-Wire network address of the sensor.
    *
    */
   public Level(DSPortAdapter adapter, String netAddress)
   {
      super(adapter, netAddress);
   }

   /**
    * The readSensor method returns the <max> or <min> string of the Sensor (in 
    * this case, a switch).  The elements <max> and <min> represent conducting 
    * and non-conducting states of the switch, respectively. 
    *
    * @param--none.
    *
    * @return String  The <max> string is associated with the conducting switch state,
    *                 and the <min> string is associated with the non-conducting state 
    *                 of the 1-Wire switch.
    */
   public String readSensor()
   throws OneWireException
   {
      String returnString = "";
      byte[] switchState;
      int switchChannel = getChannel();
      SwitchContainer Container;
      Container = (SwitchContainer) DeviceContainer;

      if (Container.hasLevelSensing())  // if it can sense levels, read it.
      {
         switchState = Container.readDevice();
         if (Container.getLevel(switchChannel, switchState))
         {  
            returnString = getMax();
         }
         else
         {
            returnString = getMin();
         }
      }
      return returnString;
   }
}